src/propgrid/propgrid.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/propgrid/propgrid.cpp
   3 // Purpose:     wxPropertyGrid
   4 // Author:      Jaakko Salli
   5 // Modified by:
   6 // Created:     2004-09-25
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Jaakko Salli
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_PROPGRID
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/defs.h"
  23     #include "wx/object.h"
  24     #include "wx/hash.h"
  25     #include "wx/string.h"
  26     #include "wx/log.h"
  27     #include "wx/event.h"
  28     #include "wx/window.h"
  29     #include "wx/panel.h"
  30     #include "wx/dc.h"
  31     #include "wx/dcmemory.h"
  32     #include "wx/button.h"
  33     #include "wx/pen.h"
  34     #include "wx/brush.h"
  35     #include "wx/cursor.h"
  36     #include "wx/dialog.h"
  37     #include "wx/settings.h"
  38     #include "wx/msgdlg.h"
  39     #include "wx/choice.h"
  40     #include "wx/stattext.h"
  41     #include "wx/scrolwin.h"
  42     #include "wx/dirdlg.h"
  43     #include "wx/sizer.h"
  44     #include "wx/textdlg.h"
  45     #include "wx/filedlg.h"
  46     #include "wx/statusbr.h"
  47     #include "wx/intl.h"
  48     #include "wx/frame.h"
  49 #endif
  50
  51
  52 // This define is necessary to prevent macro clearing
  53 #define __wxPG_SOURCE_FILE__
  54
  55 #include "wx/propgrid/propgrid.h"
  56 #include "wx/propgrid/editors.h"
  57
  58 #if wxPG_USE_RENDERER_NATIVE
  59     #include "wx/renderer.h"
  60 #endif
  61
  62 #include "wx/odcombo.h"
  63
  64 #include "wx/timer.h"
  65 #include "wx/dcbuffer.h"
  66
  67 // Two pics for the expand / collapse buttons.
  68 // Files are not supplied with this project (since it is
  69 // recommended to use either custom or native rendering).
  70 // If you want them, get wxTreeMultiCtrl by Jorgen Bodde,
  71 // and copy xpm files from archive to wxPropertyGrid src directory
  72 // (and also comment/undef wxPG_ICON_WIDTH in propGrid.h
  73 // and set wxPG_USE_RENDERER_NATIVE to 0).
  74 #ifndef wxPG_ICON_WIDTH
  75   #if defined(__WXMAC__)
  76     #include "mac_collapse.xpm"
  77     #include "mac_expand.xpm"
  78   #elif defined(__WXGTK__)
  79     #include "linux_collapse.xpm"
  80     #include "linux_expand.xpm"
  81   #else
  82     #include "default_collapse.xpm"
  83     #include "default_expand.xpm"
  84   #endif
  85 #endif
  86
  87
  88 //#define wxPG_TEXT_INDENT                4 // For the wxComboControl
  89 //#define wxPG_ALLOW_CLIPPING             1 // If 1, GetUpdateRegion() in OnPaint event handler is not ignored
  90 #define wxPG_GUTTER_DIV                 3 // gutter is max(iconwidth/gutter_div,gutter_min)
  91 #define wxPG_GUTTER_MIN                 3 // gutter before and after image of [+] or [-]
  92 #define wxPG_YSPACING_MIN               1
  93 #define wxPG_DEFAULT_VSPACING           2 // This matches .NET propertygrid's value,
  94                                           // but causes normal combobox to spill out under MSW
  95
  96 //#define wxPG_OPTIMAL_WIDTH              200 // Arbitrary
  97
  98 //#define wxPG_MIN_SCROLLBAR_WIDTH        10 // Smallest scrollbar width on any platform
  99                                            // Must be larger than largest control border
 100                                            // width * 2.
 101
 102
 103 #define wxPG_DEFAULT_CURSOR             wxNullCursor
 104
 105
 106 //#define wxPG_NAT_CHOICE_BORDER_ANY   0
 107
 108 //#define wxPG_HIDER_BUTTON_HEIGHT        25
 109
 110 #define wxPG_PIXELS_PER_UNIT            m_lineHeight
 111
 112 #ifdef wxPG_ICON_WIDTH
 113   #define m_iconHeight m_iconWidth
 114 #endif
 115
 116 //#define wxPG_TOOLTIP_DELAY              1000
 117
 118 // This is the number of pixels the expander button inside
 119 // property cells (i.e. not in the grey margin area are
 120 // adjusted.
 121 #define IN_CELL_EXPANDER_BUTTON_X_ADJUST    2
 122
 123 // -----------------------------------------------------------------------
 124
 125 #if wxUSE_INTL
 126 void wxPropertyGrid::AutoGetTranslation ( bool enable )
 127 {
 128     wxPGGlobalVars->m_autoGetTranslation = enable;
 129 }
 130 #else
 131 void wxPropertyGrid::AutoGetTranslation ( bool ) { }
 132 #endif
 133
 134 // -----------------------------------------------------------------------
 135
 136 const char wxPropertyGridNameStr[] = "wxPropertyGrid";
 137
 138 // -----------------------------------------------------------------------
 139 // Statics in one class for easy destruction.
 140 // -----------------------------------------------------------------------
 141
 142 #include "wx/module.h"
 143
 144 class wxPGGlobalVarsClassManager : public wxModule
 145 {
 146     DECLARE_DYNAMIC_CLASS(wxPGGlobalVarsClassManager)
 147 public:
 148     wxPGGlobalVarsClassManager() {}
 149     virtual bool OnInit() { wxPGGlobalVars = new wxPGGlobalVarsClass(); return true; }
 150     virtual void OnExit() { delete wxPGGlobalVars; wxPGGlobalVars = NULL; }
 151 };
 152
 153 IMPLEMENT_DYNAMIC_CLASS(wxPGGlobalVarsClassManager, wxModule)
 154
 155
 156 // When wxPG is loaded dynamically after the application is already running
 157 // then the built-in module system won't pick this one up.  Add it manually.
 158 void wxPGInitResourceModule()
 159 {
 160     wxModule* module = new wxPGGlobalVarsClassManager;
 161     module->Init();
 162     wxModule::RegisterModule(module);
 163 }
 164
 165 wxPGGlobalVarsClass* wxPGGlobalVars = NULL;
 166
 167
 168 wxPGGlobalVarsClass::wxPGGlobalVarsClass()
 169 {
 170     wxPGProperty::sm_wxPG_LABEL = new wxString(wxPG_LABEL_STRING);
 171
 172     m_boolChoices.Add(_("False"));
 173     m_boolChoices.Add(_("True"));
 174
 175     m_fontFamilyChoices = NULL;
 176
 177     m_defaultRenderer = new wxPGDefaultRenderer();
 178
 179     m_autoGetTranslation = false;
 180
 181     m_offline = 0;
 182
 183     m_extraStyle = 0;
 184
 185     wxVariant v;
 186
 187     // Prepare some shared variants
 188     m_vEmptyString = wxString();
 189     m_vZero = (long) 0;
 190     m_vMinusOne = (long) -1;
 191     m_vTrue = true;
 192     m_vFalse = false;
 193
 194     // Prepare cached string constants
 195     m_strstring = wxS("string");
 196     m_strlong = wxS("long");
 197     m_strbool = wxS("bool");
 198     m_strlist = wxS("list");
 199     m_strDefaultValue = wxS("DefaultValue");
 200     m_strMin = wxS("Min");
 201     m_strMax = wxS("Max");
 202     m_strUnits = wxS("Units");
 203     m_strHint = wxS("Hint");
 204 #if wxPG_COMPATIBILITY_1_4
 205     m_strInlineHelp = wxS("InlineHelp");
 206 #endif
 207
 208     m_warnings = 0;
 209 }
 210
 211
 212 wxPGGlobalVarsClass::~wxPGGlobalVarsClass()
 213 {
 214     size_t i;
 215
 216     delete m_defaultRenderer;
 217
 218     // This will always have one ref
 219     delete m_fontFamilyChoices;
 220
 221 #if wxUSE_VALIDATORS
 222     for ( i=0; i<m_arrValidators.size(); i++ )
 223         delete ((wxValidator*)m_arrValidators[i]);
 224 #endif
 225
 226     //
 227     // Destroy value type class instances.
 228     wxPGHashMapS2P::iterator vt_it;
 229
 230     // Destroy editor class instances.
 231     // iterate over all the elements in the class
 232     for( vt_it = m_mapEditorClasses.begin(); vt_it != m_mapEditorClasses.end(); ++vt_it )
 233     {
 234         delete ((wxPGEditor*)vt_it->second);
 235     }
 236
 237     delete wxPGProperty::sm_wxPG_LABEL;
 238 }
 239
 240 void wxPropertyGridInitGlobalsIfNeeded()
 241 {
 242 }
 243
 244 // -----------------------------------------------------------------------
 245 // wxPropertyGrid
 246 // -----------------------------------------------------------------------
 247
 248 IMPLEMENT_DYNAMIC_CLASS(wxPropertyGrid, wxScrolledWindow)
 249
 250 BEGIN_EVENT_TABLE(wxPropertyGrid, wxScrolledWindow)
 251   EVT_IDLE(wxPropertyGrid::OnIdle)
 252   EVT_PAINT(wxPropertyGrid::OnPaint)
 253   EVT_SIZE(wxPropertyGrid::OnResize)
 254   EVT_ENTER_WINDOW(wxPropertyGrid::OnMouseEntry)
 255   EVT_LEAVE_WINDOW(wxPropertyGrid::OnMouseEntry)
 256   EVT_MOUSE_CAPTURE_CHANGED(wxPropertyGrid::OnCaptureChange)
 257   EVT_SCROLLWIN(wxPropertyGrid::OnScrollEvent)
 258   EVT_CHILD_FOCUS(wxPropertyGrid::OnChildFocusEvent)
 259   EVT_SET_FOCUS(wxPropertyGrid::OnFocusEvent)
 260   EVT_KILL_FOCUS(wxPropertyGrid::OnFocusEvent)
 261   EVT_SYS_COLOUR_CHANGED(wxPropertyGrid::OnSysColourChanged)
 262   EVT_MOTION(wxPropertyGrid::OnMouseMove)
 263   EVT_LEFT_DOWN(wxPropertyGrid::OnMouseClick)
 264   EVT_LEFT_UP(wxPropertyGrid::OnMouseUp)
 265   EVT_RIGHT_UP(wxPropertyGrid::OnMouseRightClick)
 266   EVT_LEFT_DCLICK(wxPropertyGrid::OnMouseDoubleClick)
 267   EVT_KEY_DOWN(wxPropertyGrid::OnKey)
 268 END_EVENT_TABLE()
 269
 270 // -----------------------------------------------------------------------
 271
 272 wxPropertyGrid::wxPropertyGrid()
 273     : wxScrolledWindow()
 274 {
 275     Init1();
 276 }
 277
 278 // -----------------------------------------------------------------------
 279
 280 wxPropertyGrid::wxPropertyGrid( wxWindow *parent,
 281                                 wxWindowID id,
 282                                 const wxPoint& pos,
 283                                 const wxSize& size,
 284                                 long style,
 285                                 const wxString& name )
 286     : wxScrolledWindow()
 287 {
 288     Init1();
 289     Create(parent,id,pos,size,style,name);
 290 }
 291
 292 // -----------------------------------------------------------------------
 293
 294 bool wxPropertyGrid::Create( wxWindow *parent,
 295                              wxWindowID id,
 296                              const wxPoint& pos,
 297                              const wxSize& size,
 298                              long style,
 299                              const wxString& name )
 300 {
 301
 302     if (!(style&wxBORDER_MASK))
 303     {
 304         style |= wxBORDER_THEME;
 305     }
 306
 307     style |= wxVSCROLL;
 308
 309     // Filter out wxTAB_TRAVERSAL - we will handle TABs manually
 310     style &= ~(wxTAB_TRAVERSAL);
 311     style |= wxWANTS_CHARS;
 312
 313     wxScrolledWindow::Create(parent,id,pos,size,style,name);
 314
 315     Init2();
 316
 317     return true;
 318 }
 319
 320 // -----------------------------------------------------------------------
 321
 322 //
 323 // Initialize values to defaults
 324 //
 325 void wxPropertyGrid::Init1()
 326 {
 327     // Register editor classes, if necessary.
 328     if ( wxPGGlobalVars->m_mapEditorClasses.empty() )
 329         wxPropertyGrid::RegisterDefaultEditors();
 330
 331     m_validatingEditor = 0;
 332     m_iFlags = 0;
 333     m_pState = NULL;
 334     m_wndEditor = m_wndEditor2 = NULL;
 335     m_selColumn = 1;
 336     m_colHover = 1;
 337     m_propHover = NULL;
 338     m_labelEditor = NULL;
 339     m_labelEditorProperty = NULL;
 340     m_eventObject = this;
 341     m_curFocused = NULL;
 342     m_processedEvent = NULL;
 343     m_sortFunction = NULL;
 344     m_inDoPropertyChanged = 0;
 345     m_inCommitChangesFromEditor = 0;
 346     m_inDoSelectProperty = 0;
 347     m_permanentValidationFailureBehavior = wxPG_VFB_DEFAULT;
 348     m_dragStatus = 0;
 349     m_mouseSide = 16;
 350     m_editorFocused = 0;
 351
 352     // Set up default unspecified value 'colour'
 353     m_unspecifiedAppearance.SetFgCol(*wxLIGHT_GREY);
 354
 355     // Set default keys
 356     AddActionTrigger( wxPG_ACTION_NEXT_PROPERTY, WXK_RIGHT );
 357     AddActionTrigger( wxPG_ACTION_NEXT_PROPERTY, WXK_DOWN );
 358     AddActionTrigger( wxPG_ACTION_PREV_PROPERTY, WXK_LEFT );
 359     AddActionTrigger( wxPG_ACTION_PREV_PROPERTY, WXK_UP );
 360     AddActionTrigger( wxPG_ACTION_EXPAND_PROPERTY, WXK_RIGHT);
 361     AddActionTrigger( wxPG_ACTION_COLLAPSE_PROPERTY, WXK_LEFT);
 362     AddActionTrigger( wxPG_ACTION_CANCEL_EDIT, WXK_ESCAPE );
 363     AddActionTrigger( wxPG_ACTION_PRESS_BUTTON, WXK_DOWN, wxMOD_ALT );
 364     AddActionTrigger( wxPG_ACTION_PRESS_BUTTON, WXK_F4 );
 365
 366     m_coloursCustomized = 0;
 367     m_frozen = 0;
 368
 369 #if wxPG_DOUBLE_BUFFER
 370     m_doubleBuffer = NULL;
 371 #endif
 372
 373 #ifndef wxPG_ICON_WIDTH
 374     m_expandbmp = NULL;
 375     m_collbmp = NULL;
 376     m_iconWidth = 11;
 377     m_iconHeight = 11;
 378 #else
 379     m_iconWidth = wxPG_ICON_WIDTH;
 380 #endif
 381
 382     m_prevVY = -1;
 383
 384     m_gutterWidth = wxPG_GUTTER_MIN;
 385     m_subgroup_extramargin = 10;
 386
 387     m_lineHeight = 0;
 388
 389     m_width = m_height = 0;
 390
 391     m_commonValues.push_back(new wxPGCommonValue(_("Unspecified"), wxPGGlobalVars->m_defaultRenderer) );
 392     m_cvUnspecified = 0;
 393
 394     m_chgInfo_changedProperty = NULL;
 395 }
 396
 397 // -----------------------------------------------------------------------
 398
 399 //
 400 // Initialize after parent etc. set
 401 //
 402 void wxPropertyGrid::Init2()
 403 {
 404     wxASSERT( !(m_iFlags & wxPG_FL_INITIALIZED ) );
 405
 406 #ifdef __WXMAC__
 407    // Smaller controls on Mac
 408    SetWindowVariant(wxWINDOW_VARIANT_SMALL);
 409 #endif
 410
 411     // Now create state, if one didn't exist already
 412     // (wxPropertyGridManager might have created it for us).
 413     if ( !m_pState )
 414     {
 415         m_pState = CreateState();
 416         m_pState->m_pPropGrid = this;
 417         m_iFlags |= wxPG_FL_CREATEDSTATE;
 418     }
 419
 420     if ( !(m_windowStyle & wxPG_SPLITTER_AUTO_CENTER) )
 421         m_pState->m_dontCenterSplitter = true;
 422
 423     if ( m_windowStyle & wxPG_HIDE_CATEGORIES )
 424     {
 425         m_pState->InitNonCatMode();
 426
 427         m_pState->m_properties = m_pState->m_abcArray;
 428     }
 429
 430     GetClientSize(&m_width,&m_height);
 431
 432 #ifndef wxPG_ICON_WIDTH
 433     // create two bitmap nodes for drawing
 434     m_expandbmp = new wxBitmap(expand_xpm);
 435     m_collbmp = new wxBitmap(collapse_xpm);
 436
 437     // calculate average font height for bitmap centering
 438
 439     m_iconWidth = m_expandbmp->GetWidth();
 440     m_iconHeight = m_expandbmp->GetHeight();
 441 #endif
 442
 443     m_curcursor = wxCURSOR_ARROW;
 444     m_cursorSizeWE = new wxCursor( wxCURSOR_SIZEWE );
 445
 446     // adjust bitmap icon y position so they are centered
 447     m_vspacing = wxPG_DEFAULT_VSPACING;
 448
 449     CalculateFontAndBitmapStuff( wxPG_DEFAULT_VSPACING );
 450
 451     // Allocate cell datas
 452     m_propertyDefaultCell.SetEmptyData();
 453     m_categoryDefaultCell.SetEmptyData();
 454
 455     RegainColours();
 456
 457     // This helps with flicker
 458     SetBackgroundStyle( wxBG_STYLE_CUSTOM );
 459
 460     // Hook the top-level parent
 461     m_tlp = NULL;
 462     m_tlpClosed = NULL;
 463     m_tlpClosedTime = 0;
 464
 465     // set virtual size to this window size
 466     wxSize wndsize = GetSize();
 467     SetVirtualSize(wndsize.GetWidth(), wndsize.GetWidth());
 468
 469     m_timeCreated = ::wxGetLocalTimeMillis();
 470
 471     //m_canvas->Create(this, wxID_ANY, wxPoint(0, 0), GetClientSize(),
 472     //                 wxWANTS_CHARS | wxCLIP_CHILDREN);
 473     SetBackgroundStyle( wxBG_STYLE_CUSTOM );
 474
 475     m_iFlags |= wxPG_FL_INITIALIZED;
 476
 477     m_ncWidth = wndsize.GetWidth();
 478
 479     // Need to call OnResize handler or size given in constructor/Create
 480     // will never work.
 481     wxSizeEvent sizeEvent(wndsize,0);
 482     OnResize(sizeEvent);
 483 }
 484
 485 // -----------------------------------------------------------------------
 486
 487 wxPropertyGrid::~wxPropertyGrid()
 488 {
 489     size_t i;
 490
 491 #if wxUSE_THREADS
 492     wxCriticalSectionLocker(wxPGGlobalVars->m_critSect);
 493 #endif
 494
 495     //
 496     // Remove grid and property pointers from live wxPropertyGridEvents.
 497     for ( i=0; i<m_liveEvents.size(); i++ )
 498     {
 499         wxPropertyGridEvent* evt = m_liveEvents[i];
 500         evt->SetPropertyGrid(NULL);
 501         evt->SetProperty(NULL);
 502     }
 503     m_liveEvents.clear();
 504
 505     if ( m_processedEvent )
 506     {
 507         // All right... we are being deleted while wxPropertyGrid event
 508         // is being sent. Make sure that event propagates as little
 509         // as possible (although usually this is not enough to prevent
 510         // a crash).
 511         m_processedEvent->Skip(false);
 512         m_processedEvent->StopPropagation();
 513
 514         // Let's use wxMessageBox to make the message appear more
 515         // reliably (and *before* the crash can happen).
 516         ::wxMessageBox("wxPropertyGrid was being destroyed in an event "
 517                        "generated by it. This usually leads to a crash "
 518                        "so it is recommended to destroy the control "
 519                        "at idle time instead.");
 520     }
 521
 522     DoSelectProperty(NULL, wxPG_SEL_NOVALIDATE|wxPG_SEL_DONT_SEND_EVENT);
 523
 524     // This should do prevent things from going too badly wrong
 525     m_iFlags &= ~(wxPG_FL_INITIALIZED);
 526
 527     if ( m_iFlags & wxPG_FL_MOUSE_CAPTURED )
 528         ReleaseMouse();
 529
 530     // Call with NULL to disconnect event handling
 531     if ( GetExtraStyle() & wxPG_EX_ENABLE_TLP_TRACKING )
 532     {
 533         OnTLPChanging(NULL);
 534
 535         wxASSERT_MSG( !IsEditorsValueModified(),
 536                       wxS("Most recent change in property editor was ")
 537                       wxS("lost!!! (if you don't want this to happen, ")
 538                       wxS("close your frames and dialogs using ")
 539                       wxS("Close(false).)") );
 540     }
 541
 542 #if wxPG_DOUBLE_BUFFER
 543     if ( m_doubleBuffer )
 544         delete m_doubleBuffer;
 545 #endif
 546
 547     if ( m_iFlags & wxPG_FL_CREATEDSTATE )
 548         delete m_pState;
 549
 550     delete m_cursorSizeWE;
 551
 552 #ifndef wxPG_ICON_WIDTH
 553     delete m_expandbmp;
 554     delete m_collbmp;
 555 #endif
 556
 557     // Delete common value records
 558     for ( i=0; i<m_commonValues.size(); i++ )
 559     {
 560         // Use temporary variable to work around possible strange VC6 (asserts because m_size is zero)
 561         wxPGCommonValue* value = m_commonValues[i];
 562         delete value;
 563     }
 564 }
 565
 566 // -----------------------------------------------------------------------
 567
 568 bool wxPropertyGrid::Destroy()
 569 {
 570     if ( m_iFlags & wxPG_FL_MOUSE_CAPTURED )
 571         ReleaseMouse();
 572
 573     return wxScrolledWindow::Destroy();
 574 }
 575
 576 // -----------------------------------------------------------------------
 577
 578 wxPropertyGridPageState* wxPropertyGrid::CreateState() const
 579 {
 580     return new wxPropertyGridPageState();
 581 }
 582
 583 // -----------------------------------------------------------------------
 584 // wxPropertyGrid overridden wxWindow methods
 585 // -----------------------------------------------------------------------
 586
 587 void wxPropertyGrid::SetWindowStyleFlag( long style )
 588 {
 589     long old_style = m_windowStyle;
 590
 591     if ( m_iFlags & wxPG_FL_INITIALIZED )
 592     {
 593         wxASSERT( m_pState );
 594
 595         if ( !(style & wxPG_HIDE_CATEGORIES) && (old_style & wxPG_HIDE_CATEGORIES) )
 596         {
 597         // Enable categories
 598             EnableCategories( true );
 599         }
 600         else if ( (style & wxPG_HIDE_CATEGORIES) && !(old_style & wxPG_HIDE_CATEGORIES) )
 601         {
 602         // Disable categories
 603             EnableCategories( false );
 604         }
 605         if ( !(old_style & wxPG_AUTO_SORT) && (style & wxPG_AUTO_SORT) )
 606         {
 607             //
 608             // Autosort enabled
 609             //
 610             if ( !m_frozen )
 611                 PrepareAfterItemsAdded();
 612             else
 613                 m_pState->m_itemsAdded = 1;
 614         }
 615     #if wxPG_SUPPORT_TOOLTIPS
 616         if ( !(old_style & wxPG_TOOLTIPS) && (style & wxPG_TOOLTIPS) )
 617         {
 618             //
 619             // Tooltips enabled
 620             //
 621             /*
 622             wxToolTip* tooltip = new wxToolTip ( wxEmptyString );
 623             SetToolTip ( tooltip );
 624             tooltip->SetDelay ( wxPG_TOOLTIP_DELAY );
 625             */
 626         }
 627         else if ( (old_style & wxPG_TOOLTIPS) && !(style & wxPG_TOOLTIPS) )
 628         {
 629             //
 630             // Tooltips disabled
 631             //
 632             wxScrolledWindow::SetToolTip( NULL );
 633         }
 634     #endif
 635     }
 636
 637     wxScrolledWindow::SetWindowStyleFlag ( style );
 638
 639     if ( m_iFlags & wxPG_FL_INITIALIZED )
 640     {
 641         if ( (old_style & wxPG_HIDE_MARGIN) != (style & wxPG_HIDE_MARGIN) )
 642         {
 643             CalculateFontAndBitmapStuff( m_vspacing );
 644             Refresh();
 645         }
 646     }
 647 }
 648
 649 // -----------------------------------------------------------------------
 650
 651 void wxPropertyGrid::Freeze()
 652 {
 653     if ( !m_frozen )
 654     {
 655         wxScrolledWindow::Freeze();
 656     }
 657     m_frozen++;
 658 }
 659
 660 // -----------------------------------------------------------------------
 661
 662 void wxPropertyGrid::Thaw()
 663 {
 664     m_frozen--;
 665
 666     if ( !m_frozen )
 667     {
 668         wxScrolledWindow::Thaw();
 669         RecalculateVirtualSize();
 670     #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
 671         Refresh();
 672     #endif
 673
 674         // Force property re-selection
 675         // NB: We must copy the selection.
 676         wxArrayPGProperty selection = m_pState->m_selection;
 677         DoSetSelection(selection, wxPG_SEL_FORCE | wxPG_SEL_NONVISIBLE);
 678     }
 679 }
 680
 681 // -----------------------------------------------------------------------
 682
 683 bool wxPropertyGrid::DoAddToSelection( wxPGProperty* prop, int selFlags )
 684 {
 685     wxCHECK( prop, false );
 686
 687     if ( !(GetExtraStyle() & wxPG_EX_MULTIPLE_SELECTION) )
 688         return DoSelectProperty(prop, selFlags);
 689
 690     wxArrayPGProperty& selection = m_pState->m_selection;
 691
 692     if ( !selection.size() )
 693     {
 694         return DoSelectProperty(prop, selFlags);
 695     }
 696     else
 697     {
 698         // For categories, only one can be selected at a time
 699         if ( prop->IsCategory() || selection[0]->IsCategory() )
 700             return true;
 701
 702         selection.push_back(prop);
 703
 704         if ( !(selFlags & wxPG_SEL_DONT_SEND_EVENT) )
 705         {
 706             SendEvent( wxEVT_PG_SELECTED, prop, NULL );
 707         }
 708
 709         DrawItem(prop);
 710     }
 711
 712     return true;
 713 }
 714
 715 // -----------------------------------------------------------------------
 716
 717 bool wxPropertyGrid::DoRemoveFromSelection( wxPGProperty* prop, int selFlags )
 718 {
 719     wxCHECK( prop, false );
 720     bool res;
 721
 722     wxArrayPGProperty& selection = m_pState->m_selection;
 723     if ( selection.size() <= 1 )
 724     {
 725         res = DoSelectProperty(NULL, selFlags);
 726     }
 727     else
 728     {
 729         m_pState->DoRemoveFromSelection(prop);
 730         DrawItem(prop);
 731         res = true;
 732     }
 733
 734     return res;
 735 }
 736
 737 // -----------------------------------------------------------------------
 738
 739 bool wxPropertyGrid::DoSelectAndEdit( wxPGProperty* prop,
 740                                       unsigned int colIndex,
 741                                       unsigned int selFlags )
 742 {
 743     //
 744     // NB: Enable following if label editor background colour is
 745     //     ever changed to any other than m_colSelBack.
 746     //
 747     // We use this workaround to prevent visible flicker when editing
 748     // a cell. Atleast on wxMSW, there is a difficult to find
 749     // (and perhaps prevent) redraw somewhere between making property
 750     // selected and enabling label editing.
 751     //
 752     //wxColour prevColSelBack = m_colSelBack;
 753     //m_colSelBack = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
 754
 755     bool res;
 756
 757     if ( colIndex == 1 )
 758     {
 759         res = DoSelectProperty(prop, selFlags);
 760     }
 761     else
 762     {
 763         // send event
 764         DoClearSelection(false, wxPG_SEL_NO_REFRESH);
 765
 766         if ( m_pState->m_editableColumns.Index(colIndex) == wxNOT_FOUND )
 767         {
 768             res = DoAddToSelection(prop, selFlags);
 769         }
 770         else
 771         {
 772             res = DoAddToSelection(prop, selFlags|wxPG_SEL_NO_REFRESH);
 773
 774             DoBeginLabelEdit(colIndex, selFlags);
 775         }
 776     }
 777
 778     //m_colSelBack = prevColSelBack;
 779     return res;
 780 }
 781
 782 // -----------------------------------------------------------------------
 783
 784 bool wxPropertyGrid::AddToSelectionFromInputEvent( wxPGProperty* prop,
 785                                                    unsigned int colIndex,
 786                                                    wxMouseEvent* mouseEvent,
 787                                                    int selFlags )
 788 {
 789     const wxArrayPGProperty& selection = GetSelectedProperties();
 790     bool alreadySelected = m_pState->DoIsPropertySelected(prop);
 791     bool res = true;
 792
 793     // Set to 2 if also add all items in between
 794     int addToExistingSelection = 0;
 795
 796     if ( GetExtraStyle() & wxPG_EX_MULTIPLE_SELECTION )
 797     {
 798         if ( mouseEvent )
 799         {
 800             if ( mouseEvent->GetEventType() == wxEVT_RIGHT_DOWN ||
 801                  mouseEvent->GetEventType() == wxEVT_RIGHT_UP )
 802             {
 803                 // Allow right-click for context menu without
 804                 // disturbing the selection.
 805                 if ( GetSelectedProperties().size() <= 1 ||
 806                      !alreadySelected )
 807                     return DoSelectAndEdit(prop, colIndex, selFlags);
 808                 return true;
 809             }
 810             else
 811             {
 812                 if ( mouseEvent->ControlDown() )
 813                 {
 814                     addToExistingSelection = 1;
 815                 }
 816                 else if ( mouseEvent->ShiftDown() )
 817                 {
 818                     if ( selection.size() > 0 && !prop->IsCategory() )
 819                         addToExistingSelection = 2;
 820                     else
 821                         addToExistingSelection = 1;
 822                 }
 823             }
 824         }
 825     }
 826
 827     if ( addToExistingSelection == 1 )
 828     {
 829         // Add/remove one
 830         if ( !alreadySelected )
 831         {
 832             res = DoAddToSelection(prop, selFlags);
 833         }
 834         else if ( GetSelectedProperties().size() > 1 )
 835         {
 836             res = DoRemoveFromSelection(prop, selFlags);
 837         }
 838     }
 839     else if ( addToExistingSelection == 2 )
 840     {
 841         // Add this, and all in between
 842
 843         // Find top selected property
 844         wxPGProperty* topSelProp = selection[0];
 845         int topSelPropY = topSelProp->GetY();
 846         for ( unsigned int i=1; i<selection.size(); i++ )
 847         {
 848             wxPGProperty* p = selection[i];
 849             int y = p->GetY();
 850             if ( y < topSelPropY )
 851             {
 852                 topSelProp = p;
 853                 topSelPropY = y;
 854             }
 855         }
 856
 857         wxPGProperty* startFrom;
 858         wxPGProperty* stopAt;
 859
 860         if ( prop->GetY() <= topSelPropY )
 861         {
 862             // Property is above selection (or same)
 863             startFrom = prop;
 864             stopAt = topSelProp;
 865         }
 866         else
 867         {
 868             // Property is below selection
 869             startFrom = topSelProp;
 870             stopAt = prop;
 871         }
 872
 873         // Iterate through properties in-between, and select them
 874         wxPropertyGridIterator it;
 875
 876         for ( it = GetIterator(wxPG_ITERATE_VISIBLE, startFrom);
 877               !it.AtEnd();
 878               it++ )
 879         {
 880             wxPGProperty* p = *it;
 881
 882             if ( !p->IsCategory() &&
 883                  !m_pState->DoIsPropertySelected(p) )
 884             {
 885                 DoAddToSelection(p, selFlags);
 886             }
 887
 888             if ( p == stopAt )
 889                 break;
 890         }
 891     }
 892     else
 893     {
 894         res = DoSelectAndEdit(prop, colIndex, selFlags);
 895     }
 896
 897     return res;
 898 }
 899
 900 // -----------------------------------------------------------------------
 901
 902 void wxPropertyGrid::DoSetSelection( const wxArrayPGProperty& newSelection,
 903                                      int selFlags )
 904 {
 905     if ( newSelection.size() > 0 )
 906     {
 907         if ( !DoSelectProperty(newSelection[0], selFlags) )
 908             return;
 909     }
 910     else
 911     {
 912         DoClearSelection(false, selFlags);
 913     }
 914
 915     for ( unsigned int i = 1; i < newSelection.size(); i++ )
 916     {
 917         DoAddToSelection(newSelection[i], selFlags);
 918     }
 919
 920     Refresh();
 921 }
 922
 923 // -----------------------------------------------------------------------
 924
 925 void wxPropertyGrid::MakeColumnEditable( unsigned int column,
 926                                          bool editable )
 927 {
 928     wxASSERT( column != 1 );
 929
 930     wxArrayInt& cols = m_pState->m_editableColumns;
 931
 932     if ( editable )
 933     {
 934         cols.push_back(column);
 935     }
 936     else
 937     {
 938         for ( int i = cols.size() - 1; i > 0; i-- )
 939         {
 940             if ( cols[i] == (int)column )
 941                 cols.erase( cols.begin() + i );
 942         }
 943     }
 944 }
 945
 946 // -----------------------------------------------------------------------
 947
 948 void wxPropertyGrid::DoBeginLabelEdit( unsigned int colIndex,
 949                                        int selFlags )
 950 {
 951     wxPGProperty* selected = GetSelection();
 952     wxCHECK_RET(selected, wxT("No property selected"));
 953     wxCHECK_RET(colIndex != 1, wxT("Do not use this for column 1"));
 954
 955     if ( !(selFlags & wxPG_SEL_DONT_SEND_EVENT) )
 956     {
 957         if ( SendEvent( wxEVT_PG_LABEL_EDIT_BEGIN,
 958                         selected, NULL, 0,
 959                         colIndex ) )
 960             return;
 961     }
 962
 963     wxString text;
 964     const wxPGCell* cell = NULL;
 965     if ( selected->HasCell(colIndex) )
 966     {
 967         cell = &selected->GetCell(colIndex);
 968         if ( !cell->HasText() && colIndex == 0 )
 969             text = selected->GetLabel();
 970     }
 971
 972     if ( !cell  )
 973     {
 974         if ( colIndex == 0 )
 975             text = selected->GetLabel();
 976         else
 977             cell = &selected->GetOrCreateCell(colIndex);
 978     }
 979
 980     if ( cell && cell->HasText() )
 981         text = cell->GetText();
 982
 983     DoEndLabelEdit(true, wxPG_SEL_NOVALIDATE);  // send event
 984
 985     m_selColumn = colIndex;
 986
 987     wxRect r = GetEditorWidgetRect(selected, m_selColumn);
 988
 989     wxWindow* tc = GenerateEditorTextCtrl(r.GetPosition(),
 990                                           r.GetSize(),
 991                                           text,
 992                                           NULL,
 993                                           wxTE_PROCESS_ENTER,
 994                                           0,
 995                                           colIndex);
 996
 997     wxWindowID id = tc->GetId();
 998     tc->Connect(id, wxEVT_COMMAND_TEXT_ENTER,
 999         wxCommandEventHandler(wxPropertyGrid::OnLabelEditorEnterPress),
1000         NULL, this);
1001     tc->Connect(id, wxEVT_KEY_DOWN,
1002         wxKeyEventHandler(wxPropertyGrid::OnLabelEditorKeyPress),
1003         NULL, this);
1004
1005     tc->SetFocus();
1006
1007     m_labelEditor = wxStaticCast(tc, wxTextCtrl);
1008     m_labelEditorProperty = selected;
1009 }
1010
1011 // -----------------------------------------------------------------------
1012
1013 void
1014 wxPropertyGrid::OnLabelEditorEnterPress( wxCommandEvent& WXUNUSED(event) )
1015 {
1016     DoEndLabelEdit(true);
1017 }
1018
1019 // -----------------------------------------------------------------------
1020
1021 void wxPropertyGrid::OnLabelEditorKeyPress( wxKeyEvent& event )
1022 {
1023     int keycode = event.GetKeyCode();
1024
1025     if ( keycode == WXK_ESCAPE )
1026     {
1027         DoEndLabelEdit(false);
1028     }
1029     else
1030     {
1031         event.Skip();
1032     }
1033 }
1034
1035 // -----------------------------------------------------------------------
1036
1037 void wxPropertyGrid::DoEndLabelEdit( bool commit, int selFlags )
1038 {
1039     if ( !m_labelEditor )
1040         return;
1041
1042     wxPGProperty* prop = m_labelEditorProperty;
1043     wxASSERT(prop);
1044
1045     if ( commit )
1046     {
1047         if ( !(selFlags & wxPG_SEL_DONT_SEND_EVENT) )
1048         {
1049             // wxPG_SEL_NOVALIDATE is passed correctly in selFlags
1050             if ( SendEvent( wxEVT_PG_LABEL_EDIT_ENDING,
1051                             prop, NULL, selFlags,
1052                             m_selColumn ) )
1053                 return;
1054         }
1055
1056         wxString text = m_labelEditor->GetValue();
1057         wxPGCell* cell = NULL;
1058         if ( prop->HasCell(m_selColumn) )
1059         {
1060             cell = &prop->GetCell(m_selColumn);
1061         }
1062         else
1063         {
1064             if ( m_selColumn == 0 )
1065                 prop->SetLabel(text);
1066             else
1067                 cell = &prop->GetOrCreateCell(m_selColumn);
1068         }
1069
1070         if ( cell )
1071             cell->SetText(text);
1072     }
1073
1074     m_selColumn = 1;
1075     int wasFocused = m_iFlags & wxPG_FL_FOCUSED;
1076
1077     DestroyEditorWnd(m_labelEditor);
1078
1079     m_labelEditor = NULL;
1080     m_labelEditorProperty = NULL;
1081
1082     // Fix focus (needed at least on wxGTK)
1083     if ( wasFocused )
1084         SetFocusOnCanvas();
1085
1086     DrawItem(prop);
1087 }
1088
1089 // -----------------------------------------------------------------------
1090
1091 void wxPropertyGrid::SetExtraStyle( long exStyle )
1092 {
1093     if ( exStyle & wxPG_EX_ENABLE_TLP_TRACKING )
1094         OnTLPChanging(::wxGetTopLevelParent(this));
1095     else
1096         OnTLPChanging(NULL);
1097
1098     if ( exStyle & wxPG_EX_NATIVE_DOUBLE_BUFFERING )
1099     {
1100 #if defined(__WXMSW__)
1101
1102         /*
1103         // Don't use WS_EX_COMPOSITED just now.
1104         HWND hWnd;
1105
1106         if ( m_iFlags & wxPG_FL_IN_MANAGER )
1107             hWnd = (HWND)GetParent()->GetHWND();
1108         else
1109             hWnd = (HWND)GetHWND();
1110
1111         ::SetWindowLong( hWnd, GWL_EXSTYLE,
1112                          ::GetWindowLong(hWnd, GWL_EXSTYLE) | WS_EX_COMPOSITED );
1113         */
1114
1115 //#elif defined(__WXGTK20__)
1116 #endif
1117         // Only apply wxPG_EX_NATIVE_DOUBLE_BUFFERING if the window
1118         // truly was double-buffered.
1119         if ( !this->IsDoubleBuffered() )
1120         {
1121             exStyle &= ~(wxPG_EX_NATIVE_DOUBLE_BUFFERING);
1122         }
1123         else
1124         {
1125         #if wxPG_DOUBLE_BUFFER
1126             delete m_doubleBuffer;
1127             m_doubleBuffer = NULL;
1128         #endif
1129         }
1130     }
1131
1132     wxScrolledWindow::SetExtraStyle( exStyle );
1133
1134     if ( exStyle & wxPG_EX_INIT_NOCAT )
1135         m_pState->InitNonCatMode();
1136
1137     if ( exStyle & wxPG_EX_HELP_AS_TOOLTIPS )
1138         m_windowStyle |= wxPG_TOOLTIPS;
1139
1140     // Set global style
1141     wxPGGlobalVars->m_extraStyle = exStyle;
1142 }
1143
1144 // -----------------------------------------------------------------------
1145
1146 // returns the best acceptable minimal size
1147 wxSize wxPropertyGrid::DoGetBestSize() const
1148 {
1149     int lineHeight = wxMax(15, m_lineHeight);
1150
1151     // don't make the grid too tall (limit height to 10 items) but don't
1152     // make it too small neither
1153     int numLines = wxMin
1154                    (
1155                     wxMax(m_pState->m_properties->GetChildCount(), 3),
1156                     10
1157                    );
1158
1159     wxClientDC dc(const_cast<wxPropertyGrid *>(this));
1160     int width = m_marginWidth;
1161     for ( unsigned int i = 0; i < m_pState->m_colWidths.size(); i++ )
1162     {
1163         width += m_pState->GetColumnFitWidth(dc, m_pState->DoGetRoot(), i, true);
1164     }
1165
1166     const wxSize sz = wxSize(width, lineHeight*numLines + 40);
1167
1168     CacheBestSize(sz);
1169     return sz;
1170 }
1171
1172 // -----------------------------------------------------------------------
1173
1174 void wxPropertyGrid::OnTLPChanging( wxWindow* newTLP )
1175 {
1176     if ( newTLP == m_tlp )
1177         return;
1178
1179     wxLongLong currentTime = ::wxGetLocalTimeMillis();
1180
1181     //
1182     // Parent changed so let's redetermine and re-hook the
1183     // correct top-level window.
1184     if ( m_tlp )
1185     {
1186         m_tlp->Disconnect( wxEVT_CLOSE_WINDOW,
1187                            wxCloseEventHandler(wxPropertyGrid::OnTLPClose),
1188                            NULL, this );
1189         m_tlpClosed = m_tlp;
1190         m_tlpClosedTime = currentTime;
1191     }
1192
1193     if ( newTLP )
1194     {
1195         // Only accept new tlp if same one was not just dismissed.
1196         if ( newTLP != m_tlpClosed ||
1197              m_tlpClosedTime+250 < currentTime )
1198         {
1199             newTLP->Connect( wxEVT_CLOSE_WINDOW,
1200                              wxCloseEventHandler(wxPropertyGrid::OnTLPClose),
1201                              NULL, this );
1202             m_tlpClosed = NULL;
1203         }
1204         else
1205         {
1206             newTLP = NULL;
1207         }
1208     }
1209
1210     m_tlp = newTLP;
1211 }
1212
1213 // -----------------------------------------------------------------------
1214
1215 void wxPropertyGrid::OnTLPClose( wxCloseEvent& event )
1216 {
1217     // ClearSelection forces value validation/commit.
1218     if ( event.CanVeto() && !DoClearSelection() )
1219     {
1220         event.Veto();
1221         return;
1222     }
1223
1224     // Ok, it can close, set tlp pointer to NULL. Some other event
1225     // handler can of course veto the close, but our OnIdle() should
1226     // then be able to regain the tlp pointer.
1227     OnTLPChanging(NULL);
1228
1229     event.Skip();
1230 }
1231
1232 // -----------------------------------------------------------------------
1233
1234 bool wxPropertyGrid::Reparent( wxWindowBase *newParent )
1235 {
1236     OnTLPChanging((wxWindow*)newParent);
1237
1238     bool res = wxScrolledWindow::Reparent(newParent);
1239
1240     return res;
1241 }
1242
1243 // -----------------------------------------------------------------------
1244 // wxPropertyGrid Font and Colour Methods
1245 // -----------------------------------------------------------------------
1246
1247 void wxPropertyGrid::CalculateFontAndBitmapStuff( int vspacing )
1248 {
1249     int x = 0, y = 0;
1250
1251     m_captionFont = wxScrolledWindow::GetFont();
1252
1253     GetTextExtent(wxS("jG"), &x, &y, 0, 0, &m_captionFont);
1254     m_subgroup_extramargin = x + (x/2);
1255     m_fontHeight = y;
1256
1257 #if wxPG_USE_RENDERER_NATIVE
1258     m_iconWidth = wxPG_ICON_WIDTH;
1259 #elif wxPG_ICON_WIDTH
1260     // scale icon
1261     m_iconWidth = (m_fontHeight * wxPG_ICON_WIDTH) / 13;
1262     if ( m_iconWidth < 5 ) m_iconWidth = 5;
1263     else if ( !(m_iconWidth & 0x01) ) m_iconWidth++; // must be odd
1264
1265 #endif
1266
1267     m_gutterWidth = m_iconWidth / wxPG_GUTTER_DIV;
1268     if ( m_gutterWidth < wxPG_GUTTER_MIN )
1269         m_gutterWidth = wxPG_GUTTER_MIN;
1270
1271     int vdiv = 6;
1272     if ( vspacing <= 1 ) vdiv = 12;
1273     else if ( vspacing >= 3 ) vdiv = 3;
1274
1275     m_spacingy = m_fontHeight / vdiv;
1276     if ( m_spacingy < wxPG_YSPACING_MIN )
1277         m_spacingy = wxPG_YSPACING_MIN;
1278
1279     m_marginWidth = 0;
1280     if ( !(m_windowStyle & wxPG_HIDE_MARGIN) )
1281         m_marginWidth = m_gutterWidth*2 + m_iconWidth;
1282
1283     m_captionFont.SetWeight(wxBOLD);
1284     GetTextExtent(wxS("jG"), &x, &y, 0, 0, &m_captionFont);
1285
1286     m_lineHeight = m_fontHeight+(2*m_spacingy)+1;
1287
1288     // button spacing
1289     m_buttonSpacingY = (m_lineHeight - m_iconHeight) / 2;
1290     if ( m_buttonSpacingY < 0 ) m_buttonSpacingY = 0;
1291
1292     if ( m_pState )
1293         m_pState->CalculateFontAndBitmapStuff(vspacing);
1294
1295     if ( m_iFlags & wxPG_FL_INITIALIZED )
1296         RecalculateVirtualSize();
1297
1298     InvalidateBestSize();
1299 }
1300
1301 // -----------------------------------------------------------------------
1302
1303 void wxPropertyGrid::OnSysColourChanged( wxSysColourChangedEvent &WXUNUSED(event) )
1304 {
1305     RegainColours();
1306     Refresh();
1307 }
1308
1309 // -----------------------------------------------------------------------
1310
1311 static wxColour wxPGAdjustColour(const wxColour& src, int ra,
1312                                  int ga = 1000, int ba = 1000,
1313                                  bool forceDifferent = false)
1314 {
1315     if ( ga >= 1000 )
1316         ga = ra;
1317     if ( ba >= 1000 )
1318         ba = ra;
1319
1320     // Recursion guard (allow 2 max)
1321     static int isinside = 0;
1322     isinside++;
1323     wxCHECK_MSG( isinside < 3,
1324                  *wxBLACK,
1325                  wxT("wxPGAdjustColour should not be recursively called more than once") );
1326
1327     wxColour dst;
1328
1329     int r = src.Red();
1330     int g = src.Green();
1331     int b = src.Blue();
1332     int r2 = r + ra;
1333     if ( r2>255 ) r2 = 255;
1334     else if ( r2<0) r2 = 0;
1335     int g2 = g + ga;
1336     if ( g2>255 ) g2 = 255;
1337     else if ( g2<0) g2 = 0;
1338     int b2 = b + ba;
1339     if ( b2>255 ) b2 = 255;
1340     else if ( b2<0) b2 = 0;
1341
1342     // Make sure they are somewhat different
1343     if ( forceDifferent && (abs((r+g+b)-(r2+g2+b2)) < abs(ra/2)) )
1344         dst = wxPGAdjustColour(src,-(ra*2));
1345     else
1346         dst = wxColour(r2,g2,b2);
1347
1348     // Recursion guard (allow 2 max)
1349     isinside--;
1350
1351     return dst;
1352 }
1353
1354
1355 static int wxPGGetColAvg( const wxColour& col )
1356 {
1357     return (col.Red() + col.Green() + col.Blue()) / 3;
1358 }
1359
1360
1361 void wxPropertyGrid::RegainColours()
1362 {
1363     if ( !(m_coloursCustomized & 0x0002) )
1364     {
1365         wxColour col = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
1366
1367         // Make sure colour is dark enough
1368     #ifdef __WXGTK__
1369         int colDec = wxPGGetColAvg(col) - 230;
1370     #else
1371         int colDec = wxPGGetColAvg(col) - 200;
1372     #endif
1373         if ( colDec > 0 )
1374             m_colCapBack = wxPGAdjustColour(col,-colDec);
1375         else
1376             m_colCapBack = col;
1377         m_categoryDefaultCell.GetData()->SetBgCol(m_colCapBack);
1378     }
1379
1380     if ( !(m_coloursCustomized & 0x0001) )
1381         m_colMargin = m_colCapBack;
1382
1383     if ( !(m_coloursCustomized & 0x0004) )
1384     {
1385     #ifdef __WXGTK__
1386         int colDec = -90;
1387     #else
1388         int colDec = -72;
1389     #endif
1390         wxColour capForeCol = wxPGAdjustColour(m_colCapBack,colDec,5000,5000,true);
1391         m_colCapFore = capForeCol;
1392         m_categoryDefaultCell.GetData()->SetFgCol(capForeCol);
1393     }
1394
1395     if ( !(m_coloursCustomized & 0x0008) )
1396     {
1397         wxColour bgCol = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
1398         m_colPropBack = bgCol;
1399         m_propertyDefaultCell.GetData()->SetBgCol(bgCol);
1400         if ( !m_unspecifiedAppearance.GetBgCol().IsOk() )
1401             m_unspecifiedAppearance.SetBgCol(bgCol);
1402     }
1403
1404     if ( !(m_coloursCustomized & 0x0010) )
1405     {
1406         wxColour fgCol = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
1407         m_colPropFore = fgCol;
1408         m_propertyDefaultCell.GetData()->SetFgCol(fgCol);
1409         if ( !m_unspecifiedAppearance.GetFgCol().IsOk() )
1410             m_unspecifiedAppearance.SetFgCol(fgCol);
1411     }
1412
1413     if ( !(m_coloursCustomized & 0x0020) )
1414         m_colSelBack = wxSystemSettings::GetColour( wxSYS_COLOUR_HIGHLIGHT );
1415
1416     if ( !(m_coloursCustomized & 0x0040) )
1417         m_colSelFore = wxSystemSettings::GetColour( wxSYS_COLOUR_HIGHLIGHTTEXT );
1418
1419     if ( !(m_coloursCustomized & 0x0080) )
1420         m_colLine = m_colCapBack;
1421
1422     if ( !(m_coloursCustomized & 0x0100) )
1423         m_colDisPropFore = m_colCapFore;
1424
1425     m_colEmptySpace = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
1426 }
1427
1428 // -----------------------------------------------------------------------
1429
1430 void wxPropertyGrid::ResetColours()
1431 {
1432     m_coloursCustomized = 0;
1433
1434     RegainColours();
1435
1436     Refresh();
1437 }
1438
1439 // -----------------------------------------------------------------------
1440
1441 bool wxPropertyGrid::SetFont( const wxFont& font )
1442 {
1443     // Must disable active editor.
1444     DoClearSelection();
1445
1446     bool res = wxScrolledWindow::SetFont( font );
1447     if ( res && GetParent()) // may not have been Create()ed yet if SetFont called from SetWindowVariant
1448     {
1449         CalculateFontAndBitmapStuff( m_vspacing );
1450         Refresh();
1451     }
1452
1453     return res;
1454 }
1455
1456 // -----------------------------------------------------------------------
1457
1458 void wxPropertyGrid::SetLineColour( const wxColour& col )
1459 {
1460     m_colLine = col;
1461     m_coloursCustomized |= 0x80;
1462     Refresh();
1463 }
1464
1465 // -----------------------------------------------------------------------
1466
1467 void wxPropertyGrid::SetMarginColour( const wxColour& col )
1468 {
1469     m_colMargin = col;
1470     m_coloursCustomized |= 0x01;
1471     Refresh();
1472 }
1473
1474 // -----------------------------------------------------------------------
1475
1476 void wxPropertyGrid::SetCellBackgroundColour( const wxColour& col )
1477 {
1478     m_colPropBack = col;
1479     m_coloursCustomized |= 0x08;
1480
1481     m_propertyDefaultCell.GetData()->SetBgCol(col);
1482     m_unspecifiedAppearance.SetBgCol(col);
1483
1484     Refresh();
1485 }
1486
1487 // -----------------------------------------------------------------------
1488
1489 void wxPropertyGrid::SetCellTextColour( const wxColour& col )
1490 {
1491     m_colPropFore = col;
1492     m_coloursCustomized |= 0x10;
1493
1494     m_propertyDefaultCell.GetData()->SetFgCol(col);
1495     m_unspecifiedAppearance.SetFgCol(col);
1496
1497     Refresh();
1498 }
1499
1500 // -----------------------------------------------------------------------
1501
1502 void wxPropertyGrid::SetEmptySpaceColour( const wxColour& col )
1503 {
1504     m_colEmptySpace = col;
1505
1506     Refresh();
1507 }
1508
1509 // -----------------------------------------------------------------------
1510
1511 void wxPropertyGrid::SetCellDisabledTextColour( const wxColour& col )
1512 {
1513     m_colDisPropFore = col;
1514     m_coloursCustomized |= 0x100;
1515     Refresh();
1516 }
1517
1518 // -----------------------------------------------------------------------
1519
1520 void wxPropertyGrid::SetSelectionBackgroundColour( const wxColour& col )
1521 {
1522     m_colSelBack = col;
1523     m_coloursCustomized |= 0x20;
1524     Refresh();
1525 }
1526
1527 // -----------------------------------------------------------------------
1528
1529 void wxPropertyGrid::SetSelectionTextColour( const wxColour& col )
1530 {
1531     m_colSelFore = col;
1532     m_coloursCustomized |= 0x40;
1533     Refresh();
1534 }
1535
1536 // -----------------------------------------------------------------------
1537
1538 void wxPropertyGrid::SetCaptionBackgroundColour( const wxColour& col )
1539 {
1540     m_colCapBack = col;
1541     m_coloursCustomized |= 0x02;
1542
1543     m_categoryDefaultCell.GetData()->SetBgCol(col);
1544
1545     Refresh();
1546 }
1547
1548 // -----------------------------------------------------------------------
1549
1550 void wxPropertyGrid::SetCaptionTextColour( const wxColour& col )
1551 {
1552     m_colCapFore = col;
1553     m_coloursCustomized |= 0x04;
1554
1555     m_categoryDefaultCell.GetData()->SetFgCol(col);
1556
1557     Refresh();
1558 }
1559
1560 // -----------------------------------------------------------------------
1561 // wxPropertyGrid property adding and removal
1562 // -----------------------------------------------------------------------
1563
1564 void wxPropertyGrid::PrepareAfterItemsAdded()
1565 {
1566     if ( !m_pState || !m_pState->m_itemsAdded ) return;
1567
1568     m_pState->m_itemsAdded = 0;
1569
1570     if ( m_windowStyle & wxPG_AUTO_SORT )
1571         Sort(wxPG_SORT_TOP_LEVEL_ONLY);
1572
1573     RecalculateVirtualSize();
1574
1575     // Fix editor position
1576     CorrectEditorWidgetPosY();
1577 }
1578
1579 // -----------------------------------------------------------------------
1580 // wxPropertyGrid property operations
1581 // -----------------------------------------------------------------------
1582
1583 bool wxPropertyGrid::EnsureVisible( wxPGPropArg id )
1584 {
1585     wxPG_PROP_ARG_CALL_PROLOG_RETVAL(false)
1586
1587     Update();
1588
1589     bool changed = false;
1590
1591     // Is it inside collapsed section?
1592     if ( !p->IsVisible() )
1593     {
1594         // expand parents
1595         wxPGProperty* parent = p->GetParent();
1596         wxPGProperty* grandparent = parent->GetParent();
1597
1598         if ( grandparent && grandparent != m_pState->m_properties )
1599             Expand( grandparent );
1600
1601         Expand( parent );
1602         changed = true;
1603     }
1604
1605     // Need to scroll?
1606     int vx, vy;
1607     GetViewStart(&vx,&vy);
1608     vy*=wxPG_PIXELS_PER_UNIT;
1609
1610     int y = p->GetY();
1611
1612     if ( y < vy )
1613     {
1614         Scroll(vx, y/wxPG_PIXELS_PER_UNIT );
1615         m_iFlags |= wxPG_FL_SCROLLED;
1616         changed = true;
1617     }
1618     else if ( (y+m_lineHeight) > (vy+m_height) )
1619     {
1620         Scroll(vx, (y-m_height+(m_lineHeight*2))/wxPG_PIXELS_PER_UNIT );
1621         m_iFlags |= wxPG_FL_SCROLLED;
1622         changed = true;
1623     }
1624
1625     if ( changed )
1626         DrawItems( p, p );
1627
1628     return changed;
1629 }
1630
1631 // -----------------------------------------------------------------------
1632 // wxPropertyGrid helper methods called by properties
1633 // -----------------------------------------------------------------------
1634
1635 // Control font changer helper.
1636 void wxPropertyGrid::SetCurControlBoldFont()
1637 {
1638     wxASSERT( m_wndEditor );
1639     m_wndEditor->SetFont( m_captionFont );
1640 }
1641
1642 // -----------------------------------------------------------------------
1643
1644 wxPoint wxPropertyGrid::GetGoodEditorDialogPosition( wxPGProperty* p,
1645                                                      const wxSize& sz )
1646 {
1647 #if wxPG_SMALL_SCREEN
1648     // On small-screen devices, always show dialogs with default position and size.
1649     return wxDefaultPosition;
1650 #else
1651     int splitterX = GetSplitterPosition();
1652     int x = splitterX;
1653     int y = p->GetY();
1654
1655     wxCHECK_MSG( y >= 0, wxPoint(-1,-1), wxT("invalid y?") );
1656
1657     ImprovedClientToScreen( &x, &y );
1658
1659     int sw = wxSystemSettings::GetMetric( ::wxSYS_SCREEN_X );
1660     int sh = wxSystemSettings::GetMetric( ::wxSYS_SCREEN_Y );
1661
1662     int new_x;
1663     int new_y;
1664
1665     if ( x > (sw/2) )
1666         // left
1667         new_x = x + (m_width-splitterX) - sz.x;
1668     else
1669         // right
1670         new_x = x;
1671
1672     if ( y > (sh/2) )
1673         // above
1674         new_y = y - sz.y;
1675     else
1676         // below
1677         new_y = y + m_lineHeight;
1678
1679     return wxPoint(new_x,new_y);
1680 #endif
1681 }
1682
1683 // -----------------------------------------------------------------------
1684
1685 wxString& wxPropertyGrid::ExpandEscapeSequences( wxString& dst_str, wxString& src_str )
1686 {
1687     if ( src_str.length() == 0 )
1688     {
1689         dst_str = src_str;
1690         return src_str;
1691     }
1692
1693     bool prev_is_slash = false;
1694
1695     wxString::const_iterator i = src_str.begin();
1696
1697     dst_str.clear();
1698
1699     for ( ; i != src_str.end(); ++i )
1700     {
1701         wxUniChar a = *i;
1702
1703         if ( a != wxS('\\') )
1704         {
1705             if ( !prev_is_slash )
1706             {
1707                 dst_str << a;
1708             }
1709             else
1710             {
1711                 if ( a == wxS('n') )
1712                 {
1713             #ifdef __WXMSW__
1714                     dst_str << wxS('\n');
1715             #else
1716                     dst_str << wxS('\n');
1717             #endif
1718                 }
1719                 else if ( a == wxS('t') )
1720                     dst_str << wxS('\t');
1721                 else
1722                     dst_str << a;
1723             }
1724             prev_is_slash = false;
1725         }
1726         else
1727         {
1728             if ( prev_is_slash )
1729             {
1730                 dst_str << wxS('\\');
1731                 prev_is_slash = false;
1732             }
1733             else
1734             {
1735                 prev_is_slash = true;
1736             }
1737         }
1738     }
1739     return dst_str;
1740 }
1741
1742 // -----------------------------------------------------------------------
1743
1744 wxString& wxPropertyGrid::CreateEscapeSequences( wxString& dst_str, wxString& src_str )
1745 {
1746     if ( src_str.length() == 0 )
1747     {
1748         dst_str = src_str;
1749         return src_str;
1750     }
1751
1752     wxString::const_iterator i = src_str.begin();
1753     wxUniChar prev_a = wxS('\0');
1754
1755     dst_str.clear();
1756
1757     for ( ; i != src_str.end(); ++i )
1758     {
1759         wxChar a = *i;
1760
1761         if ( a >= wxS(' ') )
1762         {
1763             // This surely is not something that requires an escape sequence.
1764             dst_str << a;
1765         }
1766         else
1767         {
1768             // This might need...
1769             if ( a == wxS('\r')  )
1770             {
1771                 // DOS style line end.
1772                 // Already taken care below
1773             }
1774             else if ( a == wxS('\n') )
1775                 // UNIX style line end.
1776                 dst_str << wxS("\\n");
1777             else if ( a == wxS('\t') )
1778                 // Tab.
1779                 dst_str << wxS('\t');
1780             else
1781             {
1782                 //wxLogDebug(wxT("WARNING: Could not create escape sequence for character #%i"),(int)a);
1783                 dst_str << a;
1784             }
1785         }
1786
1787         prev_a = a;
1788     }
1789     return dst_str;
1790 }
1791
1792 // -----------------------------------------------------------------------
1793
1794 wxPGProperty* wxPropertyGrid::DoGetItemAtY( int y ) const
1795 {
1796     // Outside?
1797     if ( y < 0 )
1798         return NULL;
1799
1800     unsigned int a = 0;
1801     return m_pState->m_properties->GetItemAtY(y, m_lineHeight, &a);
1802 }
1803
1804 // -----------------------------------------------------------------------
1805 // wxPropertyGrid graphics related methods
1806 // -----------------------------------------------------------------------
1807
1808 void wxPropertyGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
1809 {
1810     wxPaintDC dc(this);
1811     PrepareDC(dc);
1812
1813     // Don't paint after destruction has begun
1814     if ( !HasInternalFlag(wxPG_FL_INITIALIZED) )
1815         return;
1816
1817     // Find out where the window is scrolled to
1818     int vx,vy;                     // Top left corner of client
1819     GetViewStart(&vx,&vy);
1820     vy *= wxPG_PIXELS_PER_UNIT;
1821
1822     // Update everything inside the box
1823     wxRect r = GetUpdateRegion().GetBox();
1824
1825     r.y += vy;
1826
1827     // FIXME: This is just a workaround for a bug that causes splitters not
1828     //        to paint when other windows are being dragged over the grid.
1829     r.x = 0;
1830     r.width = GetClientSize().x;
1831
1832     // Repaint this rectangle
1833     DrawItems( dc, r.y, r.y + r.height, &r );
1834
1835     // We assume that the size set when grid is shown
1836     // is what is desired.
1837     SetInternalFlag(wxPG_FL_GOOD_SIZE_SET);
1838 }
1839
1840 // -----------------------------------------------------------------------
1841
1842 void wxPropertyGrid::DrawExpanderButton( wxDC& dc, const wxRect& rect,
1843                                          wxPGProperty* property ) const
1844 {
1845     // Prepare rectangle to be used
1846     wxRect r(rect);
1847     r.x += m_gutterWidth; r.y += m_buttonSpacingY;
1848     r.width = m_iconWidth; r.height = m_iconHeight;
1849
1850 #if (wxPG_USE_RENDERER_NATIVE)
1851     //
1852 #elif wxPG_ICON_WIDTH
1853     // Drawing expand/collapse button manually
1854     dc.SetPen(m_colPropFore);
1855     if ( property->IsCategory() )
1856         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1857     else
1858         dc.SetBrush(m_colPropBack);
1859
1860     dc.DrawRectangle( r );
1861     int _y = r.y+(m_iconWidth/2);
1862     dc.DrawLine(r.x+2,_y,r.x+m_iconWidth-2,_y);
1863 #else
1864     wxBitmap* bmp;
1865 #endif
1866
1867     if ( property->IsExpanded() )
1868     {
1869     // wxRenderer functions are non-mutating in nature, so it
1870     // should be safe to cast "const wxPropertyGrid*" to "wxWindow*".
1871     // Hopefully this does not cause problems.
1872     #if (wxPG_USE_RENDERER_NATIVE)
1873         wxRendererNative::Get().DrawTreeItemButton(
1874                 (wxWindow*)this,
1875                 dc,
1876                 r,
1877                 wxCONTROL_EXPANDED
1878             );
1879     #elif wxPG_ICON_WIDTH
1880         //
1881     #else
1882         bmp = m_collbmp;
1883     #endif
1884
1885     }
1886     else
1887     {
1888     #if (wxPG_USE_RENDERER_NATIVE)
1889         wxRendererNative::Get().DrawTreeItemButton(
1890                 (wxWindow*)this,
1891                 dc,
1892                 r,
1893                 0
1894             );
1895     #elif wxPG_ICON_WIDTH
1896         int _x = r.x+(m_iconWidth/2);
1897         dc.DrawLine(_x,r.y+2,_x,r.y+m_iconWidth-2);
1898     #else
1899         bmp = m_expandbmp;
1900     #endif
1901     }
1902
1903 #if (wxPG_USE_RENDERER_NATIVE)
1904     //
1905 #elif wxPG_ICON_WIDTH
1906     //
1907 #else
1908     dc.DrawBitmap( *bmp, r.x, r.y, true );
1909 #endif
1910 }
1911
1912 // -----------------------------------------------------------------------
1913
1914 //
1915 // This is the one called by OnPaint event handler and others.
1916 // topy and bottomy are already unscrolled (ie. physical)
1917 //
1918 void wxPropertyGrid::DrawItems( wxDC& dc,
1919                                 unsigned int topItemY,
1920                                 unsigned int bottomItemY,
1921                                 const wxRect* drawRect )
1922 {
1923     if ( m_frozen ||
1924          m_height < 1 ||
1925          bottomItemY < topItemY ||
1926          !m_pState )
1927         return;
1928
1929     m_pState->EnsureVirtualHeight();
1930
1931     wxRect tempDrawRect;
1932     if ( !drawRect )
1933     {
1934         tempDrawRect = wxRect(0, topItemY,
1935                               m_pState->m_width,
1936                               bottomItemY);
1937         drawRect = &tempDrawRect;
1938     }
1939
1940     // items added check
1941     if ( m_pState->m_itemsAdded ) PrepareAfterItemsAdded();
1942
1943     int paintFinishY = 0;
1944
1945     if ( m_pState->m_properties->GetChildCount() > 0 )
1946     {
1947         wxDC* dcPtr = &dc;
1948         bool isBuffered = false;
1949
1950     #if wxPG_DOUBLE_BUFFER
1951         wxMemoryDC* bufferDC = NULL;
1952
1953         if ( !(GetExtraStyle() & wxPG_EX_NATIVE_DOUBLE_BUFFERING) )
1954         {
1955             if ( !m_doubleBuffer )
1956             {
1957                 paintFinishY = drawRect->y;
1958                 dcPtr = NULL;
1959             }
1960             else
1961             {
1962                 bufferDC = new wxMemoryDC();
1963
1964                 // If nothing was changed, then just copy from double-buffer
1965                 bufferDC->SelectObject( *m_doubleBuffer );
1966                 dcPtr = bufferDC;
1967
1968                 isBuffered = true;
1969             }
1970         }
1971     #endif
1972
1973         if ( dcPtr )
1974         {
1975             dc.SetClippingRegion( *drawRect );
1976             paintFinishY = DoDrawItems( *dcPtr, drawRect, isBuffered );
1977             int drawBottomY = drawRect->y + drawRect->height;
1978
1979             // Clear area beyond last painted property
1980             if ( paintFinishY < drawBottomY )
1981             {
1982                 dcPtr->SetPen(m_colEmptySpace);
1983                 dcPtr->SetBrush(m_colEmptySpace);
1984                 dcPtr->DrawRectangle(0, paintFinishY,
1985                                      m_width,
1986                                      drawBottomY );
1987             }
1988
1989             dc.DestroyClippingRegion();
1990         }
1991
1992     #if wxPG_DOUBLE_BUFFER
1993         if ( bufferDC )
1994         {
1995             dc.Blit( drawRect->x, drawRect->y, drawRect->width,
1996                      drawRect->height,
1997                      bufferDC, 0, 0, wxCOPY );
1998             delete bufferDC;
1999         }
2000     #endif
2001     }
2002     else
2003     {
2004         // Just clear the area
2005         dc.SetPen(m_colEmptySpace);
2006         dc.SetBrush(m_colEmptySpace);
2007         dc.DrawRectangle(*drawRect);
2008     }
2009 }
2010
2011 // -----------------------------------------------------------------------
2012
2013 int wxPropertyGrid::DoDrawItems( wxDC& dc,
2014                                  const wxRect* drawRect,
2015                                  bool isBuffered ) const
2016 {
2017     const wxPGProperty* firstItem;
2018     const wxPGProperty* lastItem;
2019
2020     firstItem = DoGetItemAtY(drawRect->y);
2021     lastItem = DoGetItemAtY(drawRect->y+drawRect->height-1);
2022
2023     if ( !lastItem )
2024         lastItem = GetLastItem( wxPG_ITERATE_VISIBLE );
2025
2026     if ( m_frozen || m_height < 1 || firstItem == NULL )
2027         return drawRect->y;
2028
2029     wxCHECK_MSG( !m_pState->m_itemsAdded, drawRect->y,
2030                  "no items added" );
2031     wxASSERT( m_pState->m_properties->GetChildCount() );
2032
2033     int lh = m_lineHeight;
2034
2035     int firstItemTopY;
2036     int lastItemBottomY;
2037
2038     firstItemTopY = drawRect->y;
2039     lastItemBottomY = drawRect->y + drawRect->height;
2040
2041     // Align y coordinates to item boundaries
2042     firstItemTopY -= firstItemTopY % lh;
2043     lastItemBottomY += lh - (lastItemBottomY % lh);
2044     lastItemBottomY -= 1;
2045
2046     // Entire range outside scrolled, visible area?
2047     if ( firstItemTopY >= (int)m_pState->GetVirtualHeight() ||
2048          lastItemBottomY <= 0 )
2049         return drawRect->y;
2050
2051     wxCHECK_MSG( firstItemTopY < lastItemBottomY,
2052                  drawRect->y,
2053                  "invalid y values" );
2054
2055     /*
2056     wxLogDebug("  -> DoDrawItems ( \"%s\" -> \"%s\"
2057                "height=%i (ch=%i), drawRect = 0x%lX )",
2058         firstItem->GetLabel().c_str(),
2059         lastItem->GetLabel().c_str(),
2060         (int)(lastItemBottomY - firstItemTopY),
2061         (int)m_height,
2062         (unsigned long)drawRect );
2063     */
2064
2065     wxRect r;
2066
2067     long windowStyle = m_windowStyle;
2068
2069     int xRelMod = 0;
2070
2071     //
2072     // With wxPG_DOUBLE_BUFFER, do double buffering
2073     // - buffer's y = 0, so align drawRect and coordinates to that
2074     //
2075 #if wxPG_DOUBLE_BUFFER
2076     int yRelMod = 0;
2077
2078     wxRect cr2;
2079
2080     if ( isBuffered )
2081     {
2082         xRelMod = drawRect->x;
2083         yRelMod = drawRect->y;
2084
2085         //
2086         // drawRect conversion
2087         cr2 = *drawRect;
2088         cr2.x -= xRelMod;
2089         cr2.y -= yRelMod;
2090         drawRect = &cr2;
2091         firstItemTopY -= yRelMod;
2092         lastItemBottomY -= yRelMod;
2093     }
2094 #else
2095     wxUnusedVar(isBuffered);
2096 #endif
2097
2098     int x = m_marginWidth - xRelMod;
2099
2100     wxFont normalFont = GetFont();
2101
2102     bool reallyFocused = (m_iFlags & wxPG_FL_FOCUSED) != 0;
2103
2104     bool isPgEnabled = IsEnabled();
2105
2106     //
2107     // Prepare some pens and brushes that are often changed to.
2108     //
2109
2110     wxBrush marginBrush(m_colMargin);
2111     wxPen marginPen(m_colMargin);
2112     wxBrush capbgbrush(m_colCapBack,wxSOLID);
2113     wxPen linepen(m_colLine,1,wxSOLID);
2114
2115     wxColour selBackCol;
2116     if ( isPgEnabled )
2117         selBackCol = m_colSelBack;
2118     else
2119         selBackCol = m_colMargin;
2120
2121     // pen that has same colour as text
2122     wxPen outlinepen(m_colPropFore,1,wxSOLID);
2123
2124     //
2125     // Clear margin with background colour
2126     //
2127     dc.SetBrush( marginBrush );
2128     if ( !(windowStyle & wxPG_HIDE_MARGIN) )
2129     {
2130         dc.SetPen( *wxTRANSPARENT_PEN );
2131         dc.DrawRectangle(-1-xRelMod,firstItemTopY-1,x+2,lastItemBottomY-firstItemTopY+2);
2132     }
2133
2134     const wxPGProperty* firstSelected = GetSelection();
2135     const wxPropertyGridPageState* state = m_pState;
2136     const wxArrayInt& colWidths = state->m_colWidths;
2137
2138 #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
2139     bool wasSelectedPainted = false;
2140 #endif
2141
2142     // TODO: Only render columns that are within clipping region.
2143
2144     dc.SetFont(normalFont);
2145
2146     wxPropertyGridConstIterator it( state, wxPG_ITERATE_VISIBLE, firstItem );
2147     int endScanBottomY = lastItemBottomY + lh;
2148     int y = firstItemTopY;
2149
2150     //
2151     // Pregenerate list of visible properties.
2152     wxArrayPGProperty visPropArray;
2153     visPropArray.reserve((m_height/m_lineHeight)+6);
2154
2155     for ( ; !it.AtEnd(); it.Next() )
2156     {
2157         const wxPGProperty* p = *it;
2158
2159         if ( !p->HasFlag(wxPG_PROP_HIDDEN) )
2160         {
2161             visPropArray.push_back((wxPGProperty*)p);
2162
2163             if ( y > endScanBottomY )
2164                 break;
2165
2166             y += lh;
2167         }
2168     }
2169
2170     visPropArray.push_back(NULL);
2171
2172     wxPGProperty* nextP = visPropArray[0];
2173
2174     int gridWidth = state->m_width;
2175
2176     y = firstItemTopY;
2177     for ( unsigned int arrInd=1;
2178           nextP && y <= lastItemBottomY;
2179           arrInd++ )
2180     {
2181         wxPGProperty* p = nextP;
2182         nextP = visPropArray[arrInd];
2183
2184         int rowHeight = m_fontHeight+(m_spacingy*2)+1;
2185         int textMarginHere = x;
2186         int renderFlags = 0;
2187
2188         int greyDepth = m_marginWidth;
2189         if ( !(windowStyle & wxPG_HIDE_CATEGORIES) )
2190             greyDepth = (((int)p->m_depthBgCol)-1) * m_subgroup_extramargin + m_marginWidth;
2191
2192         int greyDepthX = greyDepth - xRelMod;
2193
2194         // Use basic depth if in non-categoric mode and parent is base array.
2195         if ( !(windowStyle & wxPG_HIDE_CATEGORIES) || p->GetParent() != m_pState->m_properties )
2196         {
2197             textMarginHere += ((unsigned int)((p->m_depth-1)*m_subgroup_extramargin));
2198         }
2199
2200         // Paint margin area
2201         dc.SetBrush(marginBrush);
2202         dc.SetPen(marginPen);
2203         dc.DrawRectangle( -xRelMod, y, greyDepth, lh );
2204
2205         dc.SetPen( linepen );
2206
2207         int y2 = y + lh;
2208
2209 #ifdef __WXMSW__
2210         // Margin Edge
2211         // Modified by JACS to not draw a margin if wxPG_HIDE_MARGIN is specified, since it
2212         // looks better, at least under Windows when we have a themed border (the themed-window-specific
2213         // whitespace between the real border and the propgrid margin exacerbates the double-border look).
2214
2215         // Is this or its parent themed?
2216         bool suppressMarginEdge = (GetWindowStyle() & wxPG_HIDE_MARGIN) &&
2217             (((GetWindowStyle() & wxBORDER_MASK) == wxBORDER_THEME) ||
2218             (((GetWindowStyle() & wxBORDER_MASK) == wxBORDER_NONE) && ((GetParent()->GetWindowStyle() & wxBORDER_MASK) == wxBORDER_THEME)));
2219 #else
2220         bool suppressMarginEdge = false;
2221 #endif
2222         if (!suppressMarginEdge)
2223             dc.DrawLine( greyDepthX, y, greyDepthX, y2 );
2224         else
2225         {
2226             // Blank out the margin edge
2227             dc.SetPen(wxPen(GetBackgroundColour()));
2228             dc.DrawLine( greyDepthX, y, greyDepthX, y2 );
2229             dc.SetPen( linepen );
2230         }
2231
2232         // Splitters
2233         unsigned int si;
2234         int sx = x;
2235
2236         for ( si=0; si<colWidths.size(); si++ )
2237         {
2238             sx += colWidths[si];
2239             dc.DrawLine( sx, y, sx, y2 );
2240         }
2241
2242         // Horizontal Line, below
2243         //   (not if both this and next is category caption)
2244         if ( p->IsCategory() &&
2245              nextP && nextP->IsCategory() )
2246             dc.SetPen(m_colCapBack);
2247
2248         dc.DrawLine( greyDepthX, y2-1, gridWidth-xRelMod, y2-1 );
2249
2250         //
2251         // Need to override row colours?
2252         wxColour rowFgCol;
2253         wxColour rowBgCol;
2254
2255         bool isSelected = state->DoIsPropertySelected(p);
2256
2257         if ( !isSelected )
2258         {
2259             // Disabled may get different colour.
2260             if ( !p->IsEnabled() )
2261             {
2262                 renderFlags |= wxPGCellRenderer::Disabled |
2263                                wxPGCellRenderer::DontUseCellFgCol;
2264                 rowFgCol = m_colDisPropFore;
2265             }
2266         }
2267         else
2268         {
2269 #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
2270             if ( p == firstSelected )
2271                 wasSelectedPainted = true;
2272 #endif
2273
2274             renderFlags |= wxPGCellRenderer::Selected;
2275
2276             if ( !p->IsCategory() )
2277             {
2278                 renderFlags |= wxPGCellRenderer::DontUseCellFgCol |
2279                                wxPGCellRenderer::DontUseCellBgCol;
2280
2281                 if ( reallyFocused && p == firstSelected )
2282                 {
2283                     rowFgCol = m_colSelFore;
2284                     rowBgCol = selBackCol;
2285                 }
2286                 else if ( isPgEnabled )
2287                 {
2288                     rowFgCol = m_colPropFore;
2289                     if ( p == firstSelected )
2290                         rowBgCol = m_colMargin;
2291                     else
2292                         rowBgCol = selBackCol;
2293                 }
2294                 else
2295                 {
2296                     rowFgCol = m_colDisPropFore;
2297                     rowBgCol = selBackCol;
2298                 }
2299             }
2300         }
2301
2302         wxBrush rowBgBrush;
2303
2304         if ( rowBgCol.IsOk() )
2305             rowBgBrush = wxBrush(rowBgCol);
2306
2307         if ( HasInternalFlag(wxPG_FL_CELL_OVERRIDES_SEL) )
2308             renderFlags = renderFlags & ~wxPGCellRenderer::DontUseCellColours;
2309
2310         //
2311         // Fill additional margin area with background colour of first cell
2312         if ( greyDepthX < textMarginHere )
2313         {
2314             if ( !(renderFlags & wxPGCellRenderer::DontUseCellBgCol) )
2315             {
2316                 wxPGCell& cell = p->GetCell(0);
2317                 rowBgCol = cell.GetBgCol();
2318                 rowBgBrush = wxBrush(rowBgCol);
2319             }
2320             dc.SetBrush(rowBgBrush);
2321             dc.SetPen(rowBgCol);
2322             dc.DrawRectangle(greyDepthX+1, y,
2323                              textMarginHere-greyDepthX, lh-1);
2324         }
2325
2326         bool fontChanged = false;
2327
2328         // Expander button rectangle
2329         wxRect butRect( ((p->m_depth - 1) * m_subgroup_extramargin) - xRelMod,
2330                         y,
2331                         m_marginWidth,
2332                         lh );
2333
2334         // Default cell rect fill the entire row
2335         wxRect cellRect(greyDepthX, y,
2336                         gridWidth - greyDepth + 2, rowHeight-1 );
2337
2338         bool isCategory = p->IsCategory();
2339
2340         if ( isCategory )
2341         {
2342             dc.SetFont(m_captionFont);
2343             fontChanged = true;
2344
2345             if ( renderFlags & wxPGCellRenderer::DontUseCellBgCol )
2346             {
2347                 dc.SetBrush(rowBgBrush);
2348                 dc.SetPen(rowBgCol);
2349             }
2350
2351             if ( renderFlags & wxPGCellRenderer::DontUseCellFgCol )
2352             {
2353                 dc.SetTextForeground(rowFgCol);
2354             }
2355         }
2356         else
2357         {
2358             // Fine tune button rectangle to actually fit the cell
2359             if ( butRect.x > 0 )
2360                 butRect.x += IN_CELL_EXPANDER_BUTTON_X_ADJUST;
2361
2362             if ( p->m_flags & wxPG_PROP_MODIFIED &&
2363                  (windowStyle & wxPG_BOLD_MODIFIED) )
2364             {
2365                 dc.SetFont(m_captionFont);
2366                 fontChanged = true;
2367             }
2368
2369             // Magic fine-tuning for non-category rows
2370             cellRect.x += 1;
2371         }
2372
2373         int firstCellWidth = colWidths[0] - (greyDepthX - m_marginWidth);
2374         int firstCellX = cellRect.x;
2375
2376         // Calculate cellRect.x for the last cell
2377         unsigned int ci = 0;
2378         int cellX = x + 1;
2379         for ( ci=0; ci<colWidths.size(); ci++ )
2380             cellX += colWidths[ci];
2381         cellRect.x = cellX;
2382
2383         // Draw cells from back to front so that we can easily tell if the
2384         // cell on the right was empty from text
2385         bool prevFilled = true;
2386         ci = colWidths.size();
2387         do
2388         {
2389             ci--;
2390
2391             int textXAdd = 0;
2392
2393             if ( ci == 0 )
2394             {
2395                 textXAdd = textMarginHere - greyDepthX;
2396                 cellRect.width = firstCellWidth;
2397                 cellRect.x = firstCellX;
2398             }
2399             else
2400             {
2401                 int colWidth = colWidths[ci];
2402                 cellRect.width = colWidth;
2403                 cellRect.x -= colWidth;
2404             }
2405
2406             // Merge with column to the right?
2407             if ( !prevFilled && isCategory )
2408             {
2409                 cellRect.width += colWidths[ci+1];
2410             }
2411
2412             if ( !isCategory )
2413                 cellRect.width -= 1;
2414
2415             wxWindow* cellEditor = NULL;
2416             int cellRenderFlags = renderFlags;
2417
2418             // Tree Item Button (must be drawn before clipping is set up)
2419             if ( ci == 0 && !HasFlag(wxPG_HIDE_MARGIN) && p->HasVisibleChildren() )
2420                 DrawExpanderButton( dc, butRect, p );
2421
2422             // Background
2423             if ( isSelected && (ci == 1 || ci == m_selColumn) )
2424             {
2425                 if ( p == firstSelected )
2426                 {
2427                     if ( ci == 1 && m_wndEditor )
2428                         cellEditor = m_wndEditor;
2429                     else if ( ci == m_selColumn && m_labelEditor )
2430                         cellEditor = m_labelEditor;
2431                 }
2432
2433                 if ( cellEditor )
2434                 {
2435                     wxColour editorBgCol =
2436                         cellEditor->GetBackgroundColour();
2437                     dc.SetBrush(editorBgCol);
2438                     dc.SetPen(editorBgCol);
2439                     dc.SetTextForeground(m_colPropFore);
2440                     dc.DrawRectangle(cellRect);
2441
2442                     if ( m_dragStatus != 0 ||
2443                          (m_iFlags & wxPG_FL_CUR_USES_CUSTOM_IMAGE) )
2444                         cellEditor = NULL;
2445                 }
2446                 else
2447                 {
2448                     dc.SetBrush(m_colPropBack);
2449                     dc.SetPen(m_colPropBack);
2450                     if ( p->IsEnabled() )
2451                         dc.SetTextForeground(m_colPropFore);
2452                     else
2453                         dc.SetTextForeground(m_colDisPropFore);
2454                 }
2455             }
2456             else
2457             {
2458                 if ( renderFlags & wxPGCellRenderer::DontUseCellBgCol )
2459                 {
2460                     dc.SetBrush(rowBgBrush);
2461                     dc.SetPen(rowBgCol);
2462                 }
2463
2464                 if ( renderFlags & wxPGCellRenderer::DontUseCellFgCol )
2465                 {
2466                     dc.SetTextForeground(rowFgCol);
2467                 }
2468             }
2469
2470             dc.SetClippingRegion(cellRect);
2471
2472             cellRect.x += textXAdd;
2473             cellRect.width -= textXAdd;
2474
2475             // Foreground
2476             if ( !cellEditor )
2477             {
2478                 wxPGCellRenderer* renderer;
2479                 int cmnVal = p->GetCommonValue();
2480                 if ( cmnVal == -1 || ci != 1 )
2481                 {
2482                     renderer = p->GetCellRenderer(ci);
2483                     prevFilled = renderer->Render(dc, cellRect, this,
2484                                                   p, ci, -1,
2485                                                   cellRenderFlags );
2486                 }
2487                 else
2488                 {
2489                     renderer = GetCommonValue(cmnVal)->GetRenderer();
2490                     prevFilled = renderer->Render(dc, cellRect, this,
2491                                                   p, ci, -1,
2492                                                   cellRenderFlags );
2493                 }
2494             }
2495             else
2496             {
2497                 prevFilled = true;
2498             }
2499
2500             dc.DestroyClippingRegion(); // Is this really necessary?
2501         }
2502         while ( ci > 0 );
2503
2504         if ( fontChanged )
2505             dc.SetFont(normalFont);
2506
2507         y += rowHeight;
2508     }
2509
2510     // Refresh editor controls (seems not needed on msw)
2511     // NOTE: This code is mandatory for GTK!
2512 #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
2513     if ( wasSelectedPainted )
2514     {
2515         if ( m_wndEditor )
2516             m_wndEditor->Refresh();
2517         if ( m_wndEditor2 )
2518             m_wndEditor2->Refresh();
2519     }
2520 #endif
2521
2522     return y;
2523 }
2524
2525 // -----------------------------------------------------------------------
2526
2527 wxRect wxPropertyGrid::GetPropertyRect( const wxPGProperty* p1, const wxPGProperty* p2 ) const
2528 {
2529     wxRect r;
2530
2531     if ( m_width < 10 || m_height < 10 ||
2532          !m_pState->m_properties->GetChildCount() ||
2533          p1 == NULL )
2534         return wxRect(0,0,0,0);
2535
2536     int vy = 0;
2537
2538     //
2539     // Return rect which encloses the given property range
2540     // (in logical grid coordinates)
2541     //
2542
2543     int visTop = p1->GetY();
2544     int visBottom;
2545     if ( p2 )
2546         visBottom = p2->GetY() + m_lineHeight;
2547     else
2548         visBottom = m_height + visTop;
2549
2550     // If seleced property is inside the range, we'll extend the range to include
2551     // control's size.
2552     wxPGProperty* selected = GetSelection();
2553     if ( selected )
2554     {
2555         int selectedY = selected->GetY();
2556         if ( selectedY >= visTop && selectedY < visBottom )
2557         {
2558             wxWindow* editor = GetEditorControl();
2559             if ( editor )
2560             {
2561                 int visBottom2 = selectedY + editor->GetSize().y;
2562                 if ( visBottom2 > visBottom )
2563                     visBottom = visBottom2;
2564             }
2565         }
2566     }
2567
2568     return wxRect(0,visTop-vy,m_pState->m_width,visBottom-visTop);
2569 }
2570
2571 // -----------------------------------------------------------------------
2572
2573 void wxPropertyGrid::DrawItems( const wxPGProperty* p1, const wxPGProperty* p2 )
2574 {
2575     if ( m_frozen )
2576         return;
2577
2578     if ( m_pState->m_itemsAdded )
2579         PrepareAfterItemsAdded();
2580
2581     wxRect r = GetPropertyRect(p1, p2);
2582     if ( r.width > 0 )
2583     {
2584         // Convert rectangle from logical grid coordinates to physical ones
2585         int vx, vy;
2586         GetViewStart(&vx, &vy);
2587         vx *= wxPG_PIXELS_PER_UNIT;
2588         vy *= wxPG_PIXELS_PER_UNIT;
2589         r.x -= vx;
2590         r.y -= vy;
2591         RefreshRect(r);
2592     }
2593 }
2594
2595 // -----------------------------------------------------------------------
2596
2597 void wxPropertyGrid::RefreshProperty( wxPGProperty* p )
2598 {
2599     if ( m_pState->DoIsPropertySelected(p) )
2600     {
2601         // NB: We must copy the selection.
2602         wxArrayPGProperty selection = m_pState->m_selection;
2603         DoSetSelection(selection, wxPG_SEL_FORCE);
2604     }
2605
2606     DrawItemAndChildren(p);
2607 }
2608
2609 // -----------------------------------------------------------------------
2610
2611 void wxPropertyGrid::DrawItemAndValueRelated( wxPGProperty* p )
2612 {
2613     if ( m_frozen )
2614         return;
2615
2616     // Draw item, children, and parent too, if it is not category
2617     wxPGProperty* parent = p->GetParent();
2618
2619     while ( parent &&
2620             !parent->IsCategory() &&
2621             parent->GetParent() )
2622     {
2623          DrawItem(parent);
2624          parent = parent->GetParent();
2625     }
2626
2627     DrawItemAndChildren(p);
2628 }
2629
2630 void wxPropertyGrid::DrawItemAndChildren( wxPGProperty* p )
2631 {
2632     wxCHECK_RET( p, wxT("invalid property id") );
2633
2634     // Do not draw if in non-visible page
2635     if ( p->GetParentState() != m_pState )
2636         return;
2637
2638     // do not draw a single item if multiple pending
2639     if ( m_pState->m_itemsAdded || m_frozen )
2640         return;
2641
2642     // Update child control.
2643     wxPGProperty* selected = GetSelection();
2644     if ( selected && selected->GetParent() == p )
2645         RefreshEditor();
2646
2647     const wxPGProperty* lastDrawn = p->GetLastVisibleSubItem();
2648
2649     DrawItems(p, lastDrawn);
2650 }
2651
2652 // -----------------------------------------------------------------------
2653
2654 void wxPropertyGrid::Refresh( bool WXUNUSED(eraseBackground),
2655                               const wxRect *rect )
2656 {
2657     PrepareAfterItemsAdded();
2658
2659     wxWindow::Refresh(false, rect);
2660
2661 #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
2662     // I think this really helps only GTK+1.2
2663     if ( m_wndEditor ) m_wndEditor->Refresh();
2664     if ( m_wndEditor2 ) m_wndEditor2->Refresh();
2665 #endif
2666 }
2667
2668 // -----------------------------------------------------------------------
2669 // wxPropertyGrid global operations
2670 // -----------------------------------------------------------------------
2671
2672 void wxPropertyGrid::Clear()
2673 {
2674     m_pState->DoClear();
2675
2676     m_propHover = NULL;
2677
2678     m_prevVY = 0;
2679
2680     RecalculateVirtualSize();
2681
2682     // Need to clear some area at the end
2683     if ( !m_frozen )
2684         RefreshRect(wxRect(0, 0, m_width, m_height));
2685 }
2686
2687 // -----------------------------------------------------------------------
2688
2689 bool wxPropertyGrid::EnableCategories( bool enable )
2690 {
2691     DoClearSelection();
2692
2693     if ( enable )
2694     {
2695         //
2696         // Enable categories
2697         //
2698
2699         m_windowStyle &= ~(wxPG_HIDE_CATEGORIES);
2700     }
2701     else
2702     {
2703         //
2704         // Disable categories
2705         //
2706         m_windowStyle |= wxPG_HIDE_CATEGORIES;
2707     }
2708
2709     if ( !m_pState->EnableCategories(enable) )
2710         return false;
2711
2712     if ( !m_frozen )
2713     {
2714         if ( m_windowStyle & wxPG_AUTO_SORT )
2715         {
2716             m_pState->m_itemsAdded = 1; // force
2717             PrepareAfterItemsAdded();
2718         }
2719     }
2720     else
2721         m_pState->m_itemsAdded = 1;
2722
2723     // No need for RecalculateVirtualSize() here - it is already called in
2724     // wxPropertyGridPageState method above.
2725
2726     Refresh();
2727
2728     return true;
2729 }
2730
2731 // -----------------------------------------------------------------------
2732
2733 void wxPropertyGrid::SwitchState( wxPropertyGridPageState* pNewState )
2734 {
2735     wxASSERT( pNewState );
2736     wxASSERT( pNewState->GetGrid() );
2737
2738     if ( pNewState == m_pState )
2739         return;
2740
2741     wxArrayPGProperty oldSelection = m_pState->m_selection;
2742
2743     // Call ClearSelection() instead of DoClearSelection()
2744     // so that selection clear events are not sent.
2745     ClearSelection();
2746
2747     m_pState->m_selection = oldSelection;
2748
2749     bool orig_mode = m_pState->IsInNonCatMode();
2750     bool new_state_mode = pNewState->IsInNonCatMode();
2751
2752     m_pState = pNewState;
2753
2754     // Validate width
2755     int pgWidth = GetClientSize().x;
2756     if ( HasVirtualWidth() )
2757     {
2758         int minWidth = pgWidth;
2759         if ( pNewState->m_width < minWidth )
2760         {
2761             pNewState->m_width = minWidth;
2762             pNewState->CheckColumnWidths();
2763         }
2764     }
2765     else
2766     {
2767         //
2768         // Just in case, fully re-center splitter
2769         //if ( HasFlag( wxPG_SPLITTER_AUTO_CENTER ) )
2770         //    pNewState->m_fSplitterX = -1.0;
2771
2772         pNewState->OnClientWidthChange(pgWidth,
2773                                        pgWidth - pNewState->m_width);
2774     }
2775
2776     m_propHover = NULL;
2777
2778     // If necessary, convert state to correct mode.
2779     if ( orig_mode != new_state_mode )
2780     {
2781         // This should refresh as well.
2782         EnableCategories( orig_mode?false:true );
2783     }
2784     else if ( !m_frozen )
2785     {
2786         // Refresh, if not frozen.
2787         m_pState->PrepareAfterItemsAdded();
2788
2789         // Reselect (Use SetSelection() instead of Do-variant so that
2790         // events won't be sent).
2791         SetSelection(m_pState->m_selection);
2792
2793         RecalculateVirtualSize(0);
2794         Refresh();
2795     }
2796     else
2797         m_pState->m_itemsAdded = 1;
2798 }
2799
2800 // -----------------------------------------------------------------------
2801
2802 // Call to SetSplitterPosition will always disable splitter auto-centering
2803 // if parent window is shown.
2804 void wxPropertyGrid::DoSetSplitterPosition( int newxpos,
2805                                             int splitterIndex,
2806                                             int flags )
2807 {
2808     if ( ( newxpos < wxPG_DRAG_MARGIN ) )
2809         return;
2810
2811     wxPropertyGridPageState* state = m_pState;
2812
2813     if ( flags & wxPG_SPLITTER_FROM_EVENT )
2814         state->m_dontCenterSplitter = true;
2815
2816     state->DoSetSplitterPosition(newxpos, splitterIndex, flags);
2817
2818     if ( flags & wxPG_SPLITTER_REFRESH )
2819     {
2820         if ( GetSelection() )
2821             CorrectEditorWidgetSizeX();
2822
2823         Refresh();
2824     }
2825
2826     return;
2827 }
2828
2829 // -----------------------------------------------------------------------
2830
2831 void wxPropertyGrid::ResetColumnSizes( bool enableAutoResizing )
2832 {
2833     wxPropertyGridPageState* state = m_pState;
2834     if ( state )
2835         state->ResetColumnSizes(0);
2836
2837     if ( enableAutoResizing && HasFlag(wxPG_SPLITTER_AUTO_CENTER) )
2838         m_pState->m_dontCenterSplitter = false;
2839 }
2840
2841 // -----------------------------------------------------------------------
2842
2843 void wxPropertyGrid::CenterSplitter( bool enableAutoResizing )
2844 {
2845     SetSplitterPosition( m_width/2 );
2846     if ( enableAutoResizing && HasFlag(wxPG_SPLITTER_AUTO_CENTER) )
2847         m_pState->m_dontCenterSplitter = false;
2848 }
2849
2850 // -----------------------------------------------------------------------
2851 // wxPropertyGrid item iteration (GetNextProperty etc.) methods
2852 // -----------------------------------------------------------------------
2853
2854 // Returns nearest paint visible property (such that will be painted unless
2855 // window is scrolled or resized). If given property is paint visible, then
2856 // it itself will be returned
2857 wxPGProperty* wxPropertyGrid::GetNearestPaintVisible( wxPGProperty* p ) const
2858 {
2859     int vx,vy1;// Top left corner of client
2860     GetViewStart(&vx,&vy1);
2861     vy1 *= wxPG_PIXELS_PER_UNIT;
2862
2863     int vy2 = vy1 + m_height;
2864     int propY = p->GetY2(m_lineHeight);
2865
2866     if ( (propY + m_lineHeight) < vy1 )
2867     {
2868     // Too high
2869         return DoGetItemAtY( vy1 );
2870     }
2871     else if ( propY > vy2 )
2872     {
2873     // Too low
2874         return DoGetItemAtY( vy2 );
2875     }
2876
2877     // Itself paint visible
2878     return p;
2879
2880 }
2881
2882 // -----------------------------------------------------------------------
2883 // Methods related to change in value, value modification and sending events
2884 // -----------------------------------------------------------------------
2885
2886 // commits any changes in editor of selected property
2887 // return true if validation did not fail
2888 // flags are same as with DoSelectProperty
2889 bool wxPropertyGrid::CommitChangesFromEditor( wxUint32 flags )
2890 {
2891     // Committing already?
2892     if ( m_inCommitChangesFromEditor )
2893         return true;
2894
2895     // Don't do this if already processing editor event. It might
2896     // induce recursive dialogs and crap like that.
2897     if ( m_iFlags & wxPG_FL_IN_HANDLECUSTOMEDITOREVENT )
2898     {
2899         if ( m_inDoPropertyChanged )
2900             return true;
2901
2902         return false;
2903     }
2904
2905     wxPGProperty* selected = GetSelection();
2906
2907     if ( m_wndEditor &&
2908          IsEditorsValueModified() &&
2909          (m_iFlags & wxPG_FL_INITIALIZED) &&
2910          selected )
2911     {
2912         m_inCommitChangesFromEditor = 1;
2913
2914         wxVariant variant(selected->GetValueRef());
2915         bool valueIsPending = false;
2916
2917         // JACS - necessary to avoid new focus being found spuriously within OnIdle
2918         // due to another window getting focus
2919         wxWindow* oldFocus = m_curFocused;
2920
2921         bool validationFailure = false;
2922         bool forceSuccess = (flags & (wxPG_SEL_NOVALIDATE|wxPG_SEL_FORCE)) ? true : false;
2923
2924         m_chgInfo_changedProperty = NULL;
2925
2926         // If truly modified, schedule value as pending.
2927         if ( selected->GetEditorClass()->
2928                 GetValueFromControl( variant,
2929                                      selected,
2930                                      GetEditorControl() ) )
2931         {
2932             if ( DoEditorValidate() &&
2933                  PerformValidation(selected, variant) )
2934             {
2935                 valueIsPending = true;
2936             }
2937             else
2938             {
2939                 validationFailure = true;
2940             }
2941         }
2942         else
2943         {
2944             EditorsValueWasNotModified();
2945         }
2946
2947         bool res = true;
2948
2949         m_inCommitChangesFromEditor = 0;
2950
2951         if ( validationFailure && !forceSuccess )
2952         {
2953             if (oldFocus)
2954             {
2955                 oldFocus->SetFocus();
2956                 m_curFocused = oldFocus;
2957             }
2958
2959             res = OnValidationFailure(selected, variant);
2960
2961             // Now prevent further validation failure messages
2962             if ( res )
2963             {
2964                 EditorsValueWasNotModified();
2965                 OnValidationFailureReset(selected);
2966             }
2967         }
2968         else if ( valueIsPending )
2969         {
2970             DoPropertyChanged( selected, flags );
2971             EditorsValueWasNotModified();
2972         }
2973
2974         return res;
2975     }
2976
2977     return true;
2978 }
2979
2980 // -----------------------------------------------------------------------
2981
2982 bool wxPropertyGrid::PerformValidation( wxPGProperty* p, wxVariant& pendingValue,
2983                                         int flags )
2984 {
2985     //
2986     // Runs all validation functionality.
2987     // Returns true if value passes all tests.
2988     //
2989
2990     m_validationInfo.m_failureBehavior = m_permanentValidationFailureBehavior;
2991
2992     //
2993     // Variant list a special value that cannot be validated
2994     // by normal means.
2995     if ( pendingValue.GetType() != wxPG_VARIANT_TYPE_LIST )
2996     {
2997         if ( !p->ValidateValue(pendingValue, m_validationInfo) )
2998             return false;
2999     }
3000
3001     //
3002     // Adapt list to child values, if necessary
3003     wxVariant listValue = pendingValue;
3004     wxVariant* pPendingValue = &pendingValue;
3005     wxVariant* pList = NULL;
3006
3007     // If parent has wxPG_PROP_AGGREGATE flag, or uses composite
3008     // string value, then we need treat as it was changed instead
3009     // (or, in addition, as is the case with composite string parent).
3010     // This includes creating list variant for child values.
3011
3012     wxPGProperty* pwc = p->GetParent();
3013     wxPGProperty* changedProperty = p;
3014     wxPGProperty* baseChangedProperty = changedProperty;
3015     wxVariant bcpPendingList;
3016
3017     listValue = pendingValue;
3018     listValue.SetName(p->GetBaseName());
3019
3020     while ( pwc &&
3021             (pwc->HasFlag(wxPG_PROP_AGGREGATE) || pwc->HasFlag(wxPG_PROP_COMPOSED_VALUE)) )
3022     {
3023         wxVariantList tempList;
3024         wxVariant lv(tempList, pwc->GetBaseName());
3025         lv.Append(listValue);
3026         listValue = lv;
3027         pPendingValue = &listValue;
3028
3029         if ( pwc->HasFlag(wxPG_PROP_AGGREGATE) )
3030         {
3031             baseChangedProperty = pwc;
3032             bcpPendingList = lv;
3033         }
3034
3035         changedProperty = pwc;
3036         pwc = pwc->GetParent();
3037     }
3038
3039     wxVariant value;
3040     wxPGProperty* evtChangingProperty = changedProperty;
3041
3042     if ( pPendingValue->GetType() != wxPG_VARIANT_TYPE_LIST )
3043     {
3044         value = *pPendingValue;
3045     }
3046     else
3047     {
3048         // Convert list to child values
3049         pList = pPendingValue;
3050         changedProperty->AdaptListToValue( *pPendingValue, &value );
3051     }
3052
3053     wxVariant evtChangingValue = value;
3054
3055     if ( flags & SendEvtChanging )
3056     {
3057         // FIXME: After proper ValueToString()s added, remove
3058         // this. It is just a temporary fix, as evt_changing
3059         // will simply not work for wxPG_PROP_COMPOSED_VALUE
3060         // (unless it is selected, and textctrl editor is open).
3061         if ( changedProperty->HasFlag(wxPG_PROP_COMPOSED_VALUE) )
3062         {
3063             evtChangingProperty = baseChangedProperty;
3064             if ( evtChangingProperty != p )
3065             {
3066                 evtChangingProperty->AdaptListToValue( bcpPendingList, &evtChangingValue );
3067             }
3068             else
3069             {
3070                 evtChangingValue = pendingValue;
3071             }
3072         }
3073
3074         if ( evtChangingProperty->HasFlag(wxPG_PROP_COMPOSED_VALUE) )
3075         {
3076             if ( changedProperty == GetSelection() )
3077             {
3078                 wxWindow* editor = GetEditorControl();
3079                 wxASSERT( editor->IsKindOf(CLASSINFO(wxTextCtrl)) );
3080                 evtChangingValue = wxStaticCast(editor, wxTextCtrl)->GetValue();
3081             }
3082             else
3083             {
3084                 wxLogDebug(wxT("WARNING: wxEVT_PG_CHANGING is about to happen with old value."));
3085             }
3086         }
3087     }
3088
3089     wxASSERT( m_chgInfo_changedProperty == NULL );
3090     m_chgInfo_changedProperty = changedProperty;
3091     m_chgInfo_baseChangedProperty = baseChangedProperty;
3092     m_chgInfo_pendingValue = value;
3093
3094     if ( pList )
3095         m_chgInfo_valueList = *pList;
3096     else
3097         m_chgInfo_valueList.MakeNull();
3098
3099     // If changedProperty is not property which value was edited,
3100     // then call wxPGProperty::ValidateValue() for that as well.
3101     if ( p != changedProperty && value.GetType() != wxPG_VARIANT_TYPE_LIST )
3102     {
3103         if ( !changedProperty->ValidateValue(value, m_validationInfo) )
3104             return false;
3105     }
3106
3107     if ( flags & SendEvtChanging )
3108     {
3109         // SendEvent returns true if event was vetoed
3110         if ( SendEvent( wxEVT_PG_CHANGING, evtChangingProperty,
3111                         &evtChangingValue ) )
3112             return false;
3113     }
3114
3115     if ( flags & IsStandaloneValidation )
3116     {
3117         // If called in 'generic' context, we need to reset
3118         // m_chgInfo_changedProperty and write back translated value.
3119         m_chgInfo_changedProperty = NULL;
3120         pendingValue = value;
3121     }
3122
3123     return true;
3124 }
3125
3126 // -----------------------------------------------------------------------
3127
3128 void wxPropertyGrid::DoShowPropertyError( wxPGProperty* WXUNUSED(property), const wxString& msg )
3129 {
3130     if ( !msg.length() )
3131         return;
3132
3133 #if wxUSE_STATUSBAR
3134     if ( !wxPGGlobalVars->m_offline )
3135     {
3136         wxWindow* topWnd = ::wxGetTopLevelParent(this);
3137         if ( topWnd )
3138         {
3139             wxFrame* pFrame = wxDynamicCast(topWnd, wxFrame);
3140             if ( pFrame )
3141             {
3142                 wxStatusBar* pStatusBar = pFrame->GetStatusBar();
3143                 if ( pStatusBar )
3144                 {
3145                     pStatusBar->SetStatusText(msg);
3146                     return;
3147                 }
3148             }
3149         }
3150     }
3151 #endif
3152
3153     ::wxMessageBox(msg, wxT("Property Error"));
3154 }
3155
3156 // -----------------------------------------------------------------------
3157
3158 bool wxPropertyGrid::OnValidationFailure( wxPGProperty* property,
3159                                           wxVariant& invalidValue )
3160 {
3161     wxWindow* editor = GetEditorControl();
3162
3163     // First call property's handler
3164     property->OnValidationFailure(invalidValue);
3165
3166     bool res = DoOnValidationFailure(property, invalidValue);
3167
3168     //
3169     // For non-wxTextCtrl editors, we do need to revert the value
3170     if ( !editor->IsKindOf(CLASSINFO(wxTextCtrl)) &&
3171          property == GetSelection() )
3172     {
3173         property->GetEditorClass()->UpdateControl(property, editor);
3174     }
3175
3176     property->SetFlag(wxPG_PROP_INVALID_VALUE);
3177
3178     return res;
3179 }
3180
3181 bool wxPropertyGrid::DoOnValidationFailure( wxPGProperty* property, wxVariant& WXUNUSED(invalidValue) )
3182 {
3183     int vfb = m_validationInfo.m_failureBehavior;
3184
3185     if ( vfb & wxPG_VFB_BEEP )
3186         ::wxBell();
3187
3188     if ( (vfb & wxPG_VFB_MARK_CELL) &&
3189          !property->HasFlag(wxPG_PROP_INVALID_VALUE) )
3190     {
3191         unsigned int colCount = m_pState->GetColumnCount();
3192
3193         // We need backup marked property's cells
3194         m_propCellsBackup = property->m_cells;
3195
3196         wxColour vfbFg = *wxWHITE;
3197         wxColour vfbBg = *wxRED;
3198
3199         property->EnsureCells(colCount);
3200
3201         for ( unsigned int i=0; i<colCount; i++ )
3202         {
3203             wxPGCell& cell = property->m_cells[i];
3204             cell.SetFgCol(vfbFg);
3205             cell.SetBgCol(vfbBg);
3206         }
3207
3208         DrawItemAndChildren(property);
3209
3210         if ( property == GetSelection() )
3211         {
3212             SetInternalFlag(wxPG_FL_CELL_OVERRIDES_SEL);
3213
3214             wxWindow* editor = GetEditorControl();
3215             if ( editor )
3216             {
3217                 editor->SetForegroundColour(vfbFg);
3218                 editor->SetBackgroundColour(vfbBg);
3219             }
3220         }
3221     }
3222
3223     if ( vfb & wxPG_VFB_SHOW_MESSAGE )
3224     {
3225         wxString msg = m_validationInfo.m_failureMessage;
3226
3227         if ( !msg.length() )
3228             msg = wxT("You have entered invalid value. Press ESC to cancel editing.");
3229
3230         DoShowPropertyError(property, msg);
3231     }
3232
3233     return (vfb & wxPG_VFB_STAY_IN_PROPERTY) ? false : true;
3234 }
3235
3236 // -----------------------------------------------------------------------
3237
3238 void wxPropertyGrid::DoOnValidationFailureReset( wxPGProperty* property )
3239 {
3240     int vfb = m_validationInfo.m_failureBehavior;
3241
3242     if ( vfb & wxPG_VFB_MARK_CELL )
3243     {
3244         // Revert cells
3245         property->m_cells = m_propCellsBackup;
3246
3247         ClearInternalFlag(wxPG_FL_CELL_OVERRIDES_SEL);
3248
3249         if ( property == GetSelection() && GetEditorControl() )
3250         {
3251             // Calling this will recreate the control, thus resetting its colour
3252             RefreshProperty(property);
3253         }
3254         else
3255         {
3256             DrawItemAndChildren(property);
3257         }
3258     }
3259 }
3260
3261 // -----------------------------------------------------------------------
3262
3263 // flags are same as with DoSelectProperty
3264 bool wxPropertyGrid::DoPropertyChanged( wxPGProperty* p, unsigned int selFlags )
3265 {
3266     if ( m_inDoPropertyChanged )
3267         return true;
3268
3269     wxWindow* editor = GetEditorControl();
3270     wxPGProperty* selected = GetSelection();
3271
3272     m_pState->m_anyModified = 1;
3273
3274     m_inDoPropertyChanged = 1;
3275
3276     // Maybe need to update control
3277     wxASSERT( m_chgInfo_changedProperty != NULL );
3278
3279     // These values were calculated in PerformValidation()
3280     wxPGProperty* changedProperty = m_chgInfo_changedProperty;
3281     wxVariant value = m_chgInfo_pendingValue;
3282
3283     wxPGProperty* topPaintedProperty = changedProperty;
3284
3285     while ( !topPaintedProperty->IsCategory() &&
3286             !topPaintedProperty->IsRoot() )
3287     {
3288         topPaintedProperty = topPaintedProperty->GetParent();
3289     }
3290
3291     changedProperty->SetValue(value, &m_chgInfo_valueList, wxPG_SETVAL_BY_USER);
3292
3293     // Set as Modified (not if dragging just began)
3294     if ( !(p->m_flags & wxPG_PROP_MODIFIED) )
3295     {
3296         p->m_flags |= wxPG_PROP_MODIFIED;
3297         if ( p == selected && (m_windowStyle & wxPG_BOLD_MODIFIED) )
3298         {
3299             if ( editor )
3300                 SetCurControlBoldFont();
3301         }
3302     }
3303
3304     wxPGProperty* pwc;
3305
3306     // Propagate updates to parent(s)
3307     pwc = p;
3308     wxPGProperty* prevPwc = NULL;
3309
3310     while ( prevPwc != topPaintedProperty )
3311     {
3312         pwc->m_flags |= wxPG_PROP_MODIFIED;
3313
3314         if ( pwc == selected && (m_windowStyle & wxPG_BOLD_MODIFIED) )
3315         {
3316             if ( editor )
3317                 SetCurControlBoldFont();
3318         }
3319
3320         prevPwc = pwc;
3321         pwc = pwc->GetParent();
3322     }
3323
3324     // Draw the actual property
3325     DrawItemAndChildren( topPaintedProperty );
3326
3327     //
3328     // If value was set by wxPGProperty::OnEvent, then update the editor
3329     // control.
3330     if ( selFlags & wxPG_SEL_DIALOGVAL )
3331     {
3332         RefreshEditor();
3333     }
3334     else
3335     {
3336 #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
3337         if ( m_wndEditor ) m_wndEditor->Refresh();
3338         if ( m_wndEditor2 ) m_wndEditor2->Refresh();
3339 #endif
3340     }
3341
3342     // Sanity check
3343     wxASSERT( !changedProperty->GetParent()->HasFlag(wxPG_PROP_AGGREGATE) );
3344
3345     // If top parent has composite string value, then send to child parents,
3346     // starting from baseChangedProperty.
3347     if ( changedProperty->HasFlag(wxPG_PROP_COMPOSED_VALUE) )
3348     {
3349         pwc = m_chgInfo_baseChangedProperty;
3350
3351         while ( pwc != changedProperty )
3352         {
3353             SendEvent( wxEVT_PG_CHANGED, pwc, NULL );
3354             pwc = pwc->GetParent();
3355         }
3356     }
3357
3358     SendEvent( wxEVT_PG_CHANGED, changedProperty, NULL );
3359
3360     m_inDoPropertyChanged = 0;
3361
3362     return true;
3363 }
3364
3365 // -----------------------------------------------------------------------
3366
3367 bool wxPropertyGrid::ChangePropertyValue( wxPGPropArg id, wxVariant newValue )
3368 {
3369     wxPG_PROP_ARG_CALL_PROLOG_RETVAL(false)
3370
3371     m_chgInfo_changedProperty = NULL;
3372
3373     if ( PerformValidation(p, newValue) )
3374     {
3375         DoPropertyChanged(p);
3376         return true;
3377     }
3378     else
3379     {
3380         OnValidationFailure(p, newValue);
3381     }
3382
3383     return false;
3384 }
3385
3386 // -----------------------------------------------------------------------
3387
3388 wxVariant wxPropertyGrid::GetUncommittedPropertyValue()
3389 {
3390     wxPGProperty* prop = GetSelectedProperty();
3391
3392     if ( !prop )
3393         return wxNullVariant;
3394
3395     wxTextCtrl* tc = GetEditorTextCtrl();
3396     wxVariant value = prop->GetValue();
3397
3398     if ( !tc || !IsEditorsValueModified() )
3399         return value;
3400
3401     if ( !prop->StringToValue(value, tc->GetValue()) )
3402         return value;
3403
3404     if ( !PerformValidation(prop, value, IsStandaloneValidation) )
3405         return prop->GetValue();
3406
3407     return value;
3408 }
3409
3410 // -----------------------------------------------------------------------
3411
3412 // Runs wxValidator for the selected property
3413 bool wxPropertyGrid::DoEditorValidate()
3414 {
3415 #if wxUSE_VALIDATORS
3416     wxRecursionGuard guard(m_validatingEditor);
3417     if ( guard.IsInside() )
3418         return false;
3419
3420     wxPGProperty* selected = GetSelection();
3421     if ( selected )
3422     {
3423         wxWindow* wnd = GetEditorControl();
3424
3425         wxValidator* validator = selected->GetValidator();
3426         if ( validator && wnd )
3427         {
3428             validator->SetWindow(wnd);
3429             if ( !validator->Validate(this) )
3430                 return false;
3431         }
3432     }
3433 #endif
3434     return true;
3435 }
3436
3437 // -----------------------------------------------------------------------
3438
3439 void wxPropertyGrid::HandleCustomEditorEvent( wxEvent &event )
3440 {
3441     // It is possible that this handler receives event even before
3442     // the control has been properly initialized. Let's skip the
3443     // event handling in that case.
3444     if ( !m_pState )
3445         return;
3446
3447     // Don't care about the event if it originated from the
3448     // 'label editor'. In this function we only care about the
3449     // property value editor.
3450     if ( m_labelEditor && event.GetId() == m_labelEditor->GetId() )
3451     {
3452         event.Skip();
3453         return;
3454     }
3455
3456     wxPGProperty* selected = GetSelection();
3457
3458     // Somehow, event is handled after property has been deselected.
3459     // Possibly, but very rare.
3460     if ( !selected ||
3461           selected->HasFlag(wxPG_PROP_BEING_DELETED) ||
3462           // Also don't handle editor event if wxEVT_PG_CHANGED or
3463           // similar is currently doing something (showing a
3464           // message box, for instance).
3465           m_processedEvent )
3466         return;
3467
3468     if ( m_iFlags & wxPG_FL_IN_HANDLECUSTOMEDITOREVENT )
3469         return;
3470
3471     wxVariant pendingValue(selected->GetValueRef());
3472     wxWindow* wnd = GetEditorControl();
3473     wxWindow* editorWnd = wxDynamicCast(event.GetEventObject(), wxWindow);
3474     int selFlags = 0;
3475     bool wasUnspecified = selected->IsValueUnspecified();
3476     int usesAutoUnspecified = selected->UsesAutoUnspecified();
3477     bool valueIsPending = false;
3478
3479     m_chgInfo_changedProperty = NULL;
3480
3481     m_iFlags &= ~wxPG_FL_VALUE_CHANGE_IN_EVENT;
3482
3483     //
3484     // Filter out excess wxTextCtrl modified events
3485     if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED && wnd )
3486     {
3487         if ( wnd->IsKindOf(CLASSINFO(wxTextCtrl)) )
3488         {
3489             wxTextCtrl* tc = (wxTextCtrl*) wnd;
3490
3491             wxString newTcValue = tc->GetValue();
3492             if ( m_prevTcValue == newTcValue )
3493                 return;
3494             m_prevTcValue = newTcValue;
3495         }
3496         else if ( wnd->IsKindOf(CLASSINFO(wxComboCtrl)) )
3497         {
3498             wxComboCtrl* cc = (wxComboCtrl*) wnd;
3499
3500             wxString newTcValue = cc->GetTextCtrl()->GetValue();
3501             if ( m_prevTcValue == newTcValue )
3502                 return;
3503             m_prevTcValue = newTcValue;
3504         }
3505     }
3506
3507     SetInternalFlag(wxPG_FL_IN_HANDLECUSTOMEDITOREVENT);
3508
3509     bool validationFailure = false;
3510     bool buttonWasHandled = false;
3511
3512     //
3513     // Try common button handling
3514     if ( m_wndEditor2 && event.GetEventType() == wxEVT_COMMAND_BUTTON_CLICKED )
3515     {
3516         wxPGEditorDialogAdapter* adapter = selected->GetEditorDialog();
3517
3518         if ( adapter )
3519         {
3520             buttonWasHandled = true;
3521             // Store as res2, as previously (and still currently alternatively)
3522             // dialogs can be shown by handling wxEVT_COMMAND_BUTTON_CLICKED
3523             // in wxPGProperty::OnEvent().
3524             adapter->ShowDialog( this, selected );
3525             delete adapter;
3526         }
3527     }
3528
3529     if ( !buttonWasHandled )
3530     {
3531         if ( wnd || m_wndEditor2 )
3532         {
3533             // First call editor class' event handler.
3534             const wxPGEditor* editor = selected->GetEditorClass();
3535
3536             if ( editor->OnEvent( this, selected, editorWnd, event ) )
3537             {
3538                 // If changes, validate them
3539                 if ( DoEditorValidate() )
3540                 {
3541                     if ( editor->GetValueFromControl( pendingValue,
3542                                                       selected,
3543                                                       wnd ) )
3544                         valueIsPending = true;
3545                 }
3546                 else
3547                 {
3548                     validationFailure = true;
3549                 }
3550             }
3551         }
3552
3553         // Then the property's custom handler (must be always called, unless
3554         // validation failed).
3555         if ( !validationFailure )
3556             buttonWasHandled = selected->OnEvent( this, editorWnd, event );
3557     }
3558
3559     // SetValueInEvent(), as called in one of the functions referred above
3560     // overrides editor's value.
3561     if ( m_iFlags & wxPG_FL_VALUE_CHANGE_IN_EVENT )
3562     {
3563         valueIsPending = true;
3564         pendingValue = m_changeInEventValue;
3565         selFlags |= wxPG_SEL_DIALOGVAL;
3566     }
3567
3568     if ( !validationFailure && valueIsPending )
3569         if ( !PerformValidation(selected, pendingValue) )
3570             validationFailure = true;
3571
3572     if ( validationFailure)
3573     {
3574         OnValidationFailure(selected, pendingValue);
3575     }
3576     else if ( valueIsPending )
3577     {
3578         selFlags |= ( !wasUnspecified && selected->IsValueUnspecified() && usesAutoUnspecified ) ? wxPG_SEL_SETUNSPEC : 0;
3579
3580         DoPropertyChanged(selected, selFlags);
3581         EditorsValueWasNotModified();
3582
3583         // Regardless of editor type, unfocus editor on
3584         // text-editing related enter press.
3585         if ( event.GetEventType() == wxEVT_COMMAND_TEXT_ENTER )
3586         {
3587             SetFocusOnCanvas();
3588         }
3589     }
3590     else
3591     {
3592         // No value after all
3593
3594         // Regardless of editor type, unfocus editor on
3595         // text-editing related enter press.
3596         if ( event.GetEventType() == wxEVT_COMMAND_TEXT_ENTER )
3597         {
3598             SetFocusOnCanvas();
3599         }
3600
3601         // Let unhandled button click events go to the parent
3602         if ( !buttonWasHandled && event.GetEventType() == wxEVT_COMMAND_BUTTON_CLICKED )
3603         {
3604             wxCommandEvent evt(wxEVT_COMMAND_BUTTON_CLICKED,GetId());
3605             GetEventHandler()->AddPendingEvent(evt);
3606         }
3607     }
3608
3609     ClearInternalFlag(wxPG_FL_IN_HANDLECUSTOMEDITOREVENT);
3610 }
3611
3612 // -----------------------------------------------------------------------
3613 // wxPropertyGrid editor control helper methods
3614 // -----------------------------------------------------------------------
3615
3616 wxRect wxPropertyGrid::GetEditorWidgetRect( wxPGProperty* p, int column ) const
3617 {
3618     int itemy = p->GetY2(m_lineHeight);
3619     int splitterX = m_pState->DoGetSplitterPosition(column-1);
3620     int colEnd = splitterX + m_pState->m_colWidths[column];
3621     int imageOffset = 0;
3622
3623     int vx, vy;  // Top left corner of client
3624     GetViewStart(&vx, &vy);
3625     vy *= wxPG_PIXELS_PER_UNIT;
3626
3627     if ( column == 1 )
3628     {
3629         // TODO: If custom image detection changes from current, change this.
3630         if ( m_iFlags & wxPG_FL_CUR_USES_CUSTOM_IMAGE )
3631         {
3632             //m_iFlags |= wxPG_FL_CUR_USES_CUSTOM_IMAGE;
3633             int iw = p->OnMeasureImage().x;
3634             if ( iw < 1 )
3635                 iw = wxPG_CUSTOM_IMAGE_WIDTH;
3636             imageOffset = p->GetImageOffset(iw);
3637         }
3638     }
3639     else if ( column == 0 )
3640     {
3641         splitterX += (p->m_depth - 1) * m_subgroup_extramargin;
3642     }
3643
3644     return wxRect
3645       (
3646         splitterX+imageOffset+wxPG_XBEFOREWIDGET+wxPG_CONTROL_MARGIN+1,
3647         itemy-vy,
3648         colEnd-splitterX-wxPG_XBEFOREWIDGET-wxPG_CONTROL_MARGIN-imageOffset-1,
3649         m_lineHeight-1
3650       );
3651 }
3652
3653 // -----------------------------------------------------------------------
3654
3655 wxRect wxPropertyGrid::GetImageRect( wxPGProperty* p, int item ) const
3656 {
3657     wxSize sz = GetImageSize(p, item);
3658     return wxRect(wxPG_CONTROL_MARGIN + wxCC_CUSTOM_IMAGE_MARGIN1,
3659                   wxPG_CUSTOM_IMAGE_SPACINGY,
3660                   sz.x,
3661                   sz.y);
3662 }
3663
3664 // return size of custom paint image
3665 wxSize wxPropertyGrid::GetImageSize( wxPGProperty* p, int item ) const
3666 {
3667     // If called with NULL property, then return default image
3668     // size for properties that use image.
3669     if ( !p )
3670         return wxSize(wxPG_CUSTOM_IMAGE_WIDTH,wxPG_STD_CUST_IMAGE_HEIGHT(m_lineHeight));
3671
3672     wxSize cis = p->OnMeasureImage(item);
3673
3674     int choiceCount = p->m_choices.GetCount();
3675     int comVals = p->GetDisplayedCommonValueCount();
3676     if ( item >= choiceCount && comVals > 0 )
3677     {
3678         unsigned int cvi = item-choiceCount;
3679         cis = GetCommonValue(cvi)->GetRenderer()->GetImageSize(NULL, 1, cvi);
3680     }
3681     else if ( item >= 0 && choiceCount == 0 )
3682         return wxSize(0, 0);
3683
3684     if ( cis.x < 0 )
3685     {
3686         if ( cis.x <= -1 )
3687             cis.x = wxPG_CUSTOM_IMAGE_WIDTH;
3688     }
3689     if ( cis.y <= 0 )
3690     {
3691         if ( cis.y >= -1 )
3692             cis.y = wxPG_STD_CUST_IMAGE_HEIGHT(m_lineHeight);
3693         else
3694             cis.y = -cis.y;
3695     }
3696     return cis;
3697 }
3698
3699 // -----------------------------------------------------------------------
3700
3701 // takes scrolling into account
3702 void wxPropertyGrid::ImprovedClientToScreen( int* px, int* py )
3703 {
3704     int vx, vy;
3705     GetViewStart(&vx,&vy);
3706     vy*=wxPG_PIXELS_PER_UNIT;
3707     vx*=wxPG_PIXELS_PER_UNIT;
3708     *px -= vx;
3709     *py -= vy;
3710     ClientToScreen( px, py );
3711 }
3712
3713 // -----------------------------------------------------------------------
3714
3715 wxPropertyGridHitTestResult wxPropertyGrid::HitTest( const wxPoint& pt ) const
3716 {
3717     wxPoint pt2;
3718     GetViewStart(&pt2.x,&pt2.y);
3719     pt2.x *= wxPG_PIXELS_PER_UNIT;
3720     pt2.y *= wxPG_PIXELS_PER_UNIT;
3721     pt2.x += pt.x;
3722     pt2.y += pt.y;
3723
3724     return m_pState->HitTest(pt2);
3725 }
3726
3727 // -----------------------------------------------------------------------
3728
3729 // custom set cursor
3730 void wxPropertyGrid::CustomSetCursor( int type, bool override )
3731 {
3732     if ( type == m_curcursor && !override ) return;
3733
3734     wxCursor* cursor = &wxPG_DEFAULT_CURSOR;
3735
3736     if ( type == wxCURSOR_SIZEWE )
3737         cursor = m_cursorSizeWE;
3738
3739     SetCursor( *cursor );
3740
3741     m_curcursor = type;
3742 }
3743
3744 // -----------------------------------------------------------------------
3745
3746 wxString
3747 wxPropertyGrid::GetUnspecifiedValueText( int argFlags ) const
3748 {
3749     const wxPGCell& ua = GetUnspecifiedValueAppearance();
3750
3751     if ( ua.HasText() &&
3752          !(argFlags & wxPG_FULL_VALUE) &&
3753          !(argFlags & wxPG_EDITABLE_VALUE) )
3754         return ua.GetText();
3755
3756     return wxEmptyString;
3757 }
3758
3759 // -----------------------------------------------------------------------
3760 // wxPropertyGrid property selection, editor creation
3761 // -----------------------------------------------------------------------
3762
3763 //
3764 // This class forwards events from property editor controls to wxPropertyGrid.
3765 class wxPropertyGridEditorEventForwarder : public wxEvtHandler
3766 {
3767 public:
3768     wxPropertyGridEditorEventForwarder( wxPropertyGrid* propGrid )
3769         : wxEvtHandler(), m_propGrid(propGrid)
3770     {
3771     }
3772
3773     virtual ~wxPropertyGridEditorEventForwarder()
3774     {
3775     }
3776
3777 private:
3778     bool ProcessEvent( wxEvent& event )
3779     {
3780         // Always skip
3781         event.Skip();
3782
3783         m_propGrid->HandleCustomEditorEvent(event);
3784
3785         //
3786         // NB: On wxMSW, a wxTextCtrl with wxTE_PROCESS_ENTER
3787         //     may beep annoyingly if that event is skipped
3788         //     and passed to parent event handler.
3789         if ( event.GetEventType() == wxEVT_COMMAND_TEXT_ENTER )
3790             return true;
3791
3792         return wxEvtHandler::ProcessEvent(event);
3793     }
3794
3795     wxPropertyGrid*         m_propGrid;
3796 };
3797
3798 // Setups event handling for child control
3799 void wxPropertyGrid::SetupChildEventHandling( wxWindow* argWnd )
3800 {
3801     wxWindowID id = argWnd->GetId();
3802
3803     if ( argWnd == m_wndEditor )
3804     {
3805         argWnd->Connect(id, wxEVT_MOTION,
3806             wxMouseEventHandler(wxPropertyGrid::OnMouseMoveChild),
3807             NULL, this);
3808         argWnd->Connect(id, wxEVT_LEFT_UP,
3809             wxMouseEventHandler(wxPropertyGrid::OnMouseUpChild),
3810             NULL, this);
3811         argWnd->Connect(id, wxEVT_LEFT_DOWN,
3812             wxMouseEventHandler(wxPropertyGrid::OnMouseClickChild),
3813             NULL, this);
3814         argWnd->Connect(id, wxEVT_RIGHT_UP,
3815             wxMouseEventHandler(wxPropertyGrid::OnMouseRightClickChild),
3816             NULL, this);
3817         argWnd->Connect(id, wxEVT_ENTER_WINDOW,
3818             wxMouseEventHandler(wxPropertyGrid::OnMouseEntry),
3819             NULL, this);
3820         argWnd->Connect(id, wxEVT_LEAVE_WINDOW,
3821             wxMouseEventHandler(wxPropertyGrid::OnMouseEntry),
3822             NULL, this);
3823     }
3824
3825     wxPropertyGridEditorEventForwarder* forwarder;
3826     forwarder = new wxPropertyGridEditorEventForwarder(this);
3827     argWnd->PushEventHandler(forwarder);
3828
3829     argWnd->Connect(id, wxEVT_KEY_DOWN,
3830         wxCharEventHandler(wxPropertyGrid::OnChildKeyDown),
3831         NULL, this);
3832 }
3833
3834 void wxPropertyGrid::DestroyEditorWnd( wxWindow* wnd )
3835 {
3836     if ( !wnd )
3837         return;
3838
3839     wnd->Hide();
3840
3841     // Do not free editors immediately (for sake of processing events)
3842     wxPendingDelete.Append(wnd);
3843 }
3844
3845 void wxPropertyGrid::FreeEditors()
3846 {
3847     //
3848     // Return focus back to canvas from children (this is required at least for
3849     // GTK+, which, unlike Windows, clears focus when control is destroyed
3850     // instead of moving it to closest parent).
3851     wxWindow* focus = wxWindow::FindFocus();
3852     if ( focus )
3853     {
3854         wxWindow* parent = focus->GetParent();
3855         while ( parent )
3856         {
3857             if ( parent == this )
3858             {
3859                 SetFocusOnCanvas();
3860                 break;
3861             }
3862             parent = parent->GetParent();
3863         }
3864     }
3865
3866     // Do not free editors immediately if processing events
3867     if ( m_wndEditor2 )
3868     {
3869         wxEvtHandler* handler = m_wndEditor2->PopEventHandler(false);
3870         m_wndEditor2->Hide();
3871         wxPendingDelete.Append( handler );
3872         DestroyEditorWnd(m_wndEditor2);
3873         m_wndEditor2 = NULL;
3874     }
3875
3876     if ( m_wndEditor )
3877     {
3878         wxEvtHandler* handler = m_wndEditor->PopEventHandler(false);
3879         m_wndEditor->Hide();
3880         wxPendingDelete.Append( handler );
3881         DestroyEditorWnd(m_wndEditor);
3882         m_wndEditor = NULL;
3883     }
3884 }
3885
3886 // Call with NULL to de-select property
3887 bool wxPropertyGrid::DoSelectProperty( wxPGProperty* p, unsigned int flags )
3888 {
3889     /*
3890     if (p)
3891     {
3892         wxLogDebug(wxT("SelectProperty( %s (%s[%i]) )"),p->m_label.c_str(),
3893             p->m_parent->m_label.c_str(),p->GetIndexInParent());
3894     }
3895     else
3896     {
3897         wxLogDebug(wxT("SelectProperty( NULL, -1 )"));
3898     }
3899     */
3900
3901     if ( m_inDoSelectProperty )
3902         return true;
3903
3904     m_inDoSelectProperty = 1;
3905
3906     if ( !m_pState )
3907     {
3908         m_inDoSelectProperty = 0;
3909         return false;
3910     }
3911
3912     wxArrayPGProperty prevSelection = m_pState->m_selection;
3913     wxPGProperty* prevFirstSel;
3914
3915     if ( prevSelection.size() > 0 )
3916         prevFirstSel = prevSelection[0];
3917     else
3918         prevFirstSel = NULL;
3919
3920     if ( prevFirstSel && prevFirstSel->HasFlag(wxPG_PROP_BEING_DELETED) )
3921         prevFirstSel = NULL;
3922
3923     // Always send event, as this is indirect call
3924     DoEndLabelEdit(true, wxPG_SEL_NOVALIDATE);
3925
3926 /*
3927     if ( prevFirstSel )
3928         wxPrintf( "Selected %s\n", prevFirstSel->GetClassInfo()->GetClassName() );
3929     else
3930         wxPrintf( "None selected\n" );
3931
3932     if (p)
3933         wxPrintf( "P =  %s\n", p->GetClassInfo()->GetClassName() );
3934     else
3935         wxPrintf( "P = NULL\n" );
3936 */
3937
3938     // If we are frozen, then just set the values.
3939     if ( m_frozen )
3940     {
3941         m_iFlags &= ~(wxPG_FL_ABNORMAL_EDITOR);
3942         m_editorFocused = 0;
3943         m_pState->DoSetSelection(p);
3944
3945         // If frozen, always free controls. But don't worry, as Thaw will
3946         // recall SelectProperty to recreate them.
3947         FreeEditors();
3948
3949         // Prevent any further selection measures in this call
3950         p = NULL;
3951     }
3952     else
3953     {
3954         // Is it the same?
3955         if ( prevFirstSel == p &&
3956              prevSelection.size() <= 1 &&
3957              !(flags & wxPG_SEL_FORCE) )
3958         {
3959             // Only set focus if not deselecting
3960             if ( p )
3961             {
3962                 if ( flags & wxPG_SEL_FOCUS )
3963                 {
3964                     if ( m_wndEditor )
3965                     {
3966                         m_wndEditor->SetFocus();
3967                         m_editorFocused = 1;
3968                     }
3969                 }
3970                 else
3971                 {
3972                     SetFocusOnCanvas();
3973                 }
3974             }
3975
3976             m_inDoSelectProperty = 0;
3977             return true;
3978         }
3979
3980         //
3981         // First, deactivate previous
3982         if ( prevFirstSel )
3983         {
3984             OnValidationFailureReset(prevFirstSel);
3985
3986             // Must double-check if this is an selected in case of forceswitch
3987             if ( p != prevFirstSel )
3988             {
3989                 if ( !CommitChangesFromEditor(flags) )
3990                 {
3991                     // Validation has failed, so we can't exit the previous editor
3992                     //::wxMessageBox(_("Please correct the value or press ESC to cancel the edit."),
3993                     //               _("Invalid Value"),wxOK|wxICON_ERROR);
3994                     m_inDoSelectProperty = 0;
3995                     return false;
3996                 }
3997             }
3998
3999             FreeEditors();
4000
4001             m_iFlags &= ~(wxPG_FL_ABNORMAL_EDITOR);
4002             EditorsValueWasNotModified();
4003         }
4004
4005         SetInternalFlag(wxPG_FL_IN_SELECT_PROPERTY);
4006
4007         m_pState->DoSetSelection(p);
4008
4009         // Redraw unselected
4010         for ( unsigned int i=0; i<prevSelection.size(); i++ )
4011         {
4012             DrawItem(prevSelection[i]);
4013         }
4014
4015         //
4016         // Then, activate the one given.
4017         if ( p )
4018         {
4019             int propY = p->GetY2(m_lineHeight);
4020
4021             int splitterX = GetSplitterPosition();
4022             m_editorFocused = 0;
4023             m_iFlags |= wxPG_FL_PRIMARY_FILLS_ENTIRE;
4024
4025             wxASSERT( m_wndEditor == NULL );
4026
4027             //
4028             // Only create editor for non-disabled non-caption
4029             if ( !p->IsCategory() && !(p->m_flags & wxPG_PROP_DISABLED) )
4030             {
4031             // do this for non-caption items
4032
4033                 m_selColumn = 1;
4034
4035                 // Do we need to paint the custom image, if any?
4036                 m_iFlags &= ~(wxPG_FL_CUR_USES_CUSTOM_IMAGE);
4037                 if ( (p->m_flags & wxPG_PROP_CUSTOMIMAGE) &&
4038                      !p->GetEditorClass()->CanContainCustomImage()
4039                    )
4040                     m_iFlags |= wxPG_FL_CUR_USES_CUSTOM_IMAGE;
4041
4042                 wxRect grect = GetEditorWidgetRect(p, m_selColumn);
4043                 wxPoint goodPos = grect.GetPosition();
4044
4045                 // Editor appearance can now be considered clear
4046                 m_editorAppearance.SetEmptyData();
4047
4048                 const wxPGEditor* editor = p->GetEditorClass();
4049                 wxCHECK_MSG(editor, false,
4050                     wxT("NULL editor class not allowed"));
4051
4052                 m_iFlags &= ~wxPG_FL_FIXED_WIDTH_EDITOR;
4053
4054                 wxPGWindowList wndList =
4055                     editor->CreateControls(this,
4056                                            p,
4057                                            goodPos,
4058                                            grect.GetSize());
4059
4060                 m_wndEditor = wndList.m_primary;
4061                 m_wndEditor2 = wndList.m_secondary;
4062                 wxWindow* primaryCtrl = GetEditorControl();
4063
4064                 //
4065                 // Essentially, primaryCtrl == m_wndEditor
4066                 //
4067
4068                 // NOTE: It is allowed for m_wndEditor to be NULL - in this
4069                 //       case value is drawn as normal, and m_wndEditor2 is
4070                 //       assumed to be a right-aligned button that triggers
4071                 //       a separate editorCtrl window.
4072
4073                 if ( m_wndEditor )
4074                 {
4075                     wxASSERT_MSG( m_wndEditor->GetParent() == GetPanel(),
4076                                   "CreateControls must use result of "
4077                                   "wxPropertyGrid::GetPanel() as parent "
4078                                   "of controls." );
4079
4080                     // Set validator, if any
4081                 #if wxUSE_VALIDATORS
4082                     wxValidator* validator = p->GetValidator();
4083                     if ( validator )
4084                         primaryCtrl->SetValidator(*validator);
4085                 #endif
4086
4087                     if ( m_wndEditor->GetSize().y > (m_lineHeight+6) )
4088                         m_iFlags |= wxPG_FL_ABNORMAL_EDITOR;
4089
4090                     // If it has modified status, use bold font
4091                     // (must be done before capturing m_ctrlXAdjust)
4092                     if ( (p->m_flags & wxPG_PROP_MODIFIED) &&
4093                          (m_windowStyle & wxPG_BOLD_MODIFIED) )
4094                         SetCurControlBoldFont();
4095
4096                     // Store x relative to splitter (we'll need it).
4097                     m_ctrlXAdjust = m_wndEditor->GetPosition().x - splitterX;
4098
4099                     // Check if background clear is not necessary
4100                     wxPoint pos = m_wndEditor->GetPosition();
4101                     if ( pos.x > (splitterX+1) || pos.y > propY )
4102                     {
4103                         m_iFlags &= ~(wxPG_FL_PRIMARY_FILLS_ENTIRE);
4104                     }
4105
4106                     m_wndEditor->SetSizeHints(3, 3);
4107
4108                     SetupChildEventHandling(primaryCtrl);
4109
4110                     // Focus and select all (wxTextCtrl, wxComboBox etc)
4111                     if ( flags & wxPG_SEL_FOCUS )
4112                     {
4113                         primaryCtrl->SetFocus();
4114
4115                         p->GetEditorClass()->OnFocus(p, primaryCtrl);
4116                     }
4117                     else
4118                     {
4119                         if ( p->IsValueUnspecified() )
4120                             SetEditorAppearance(m_unspecifiedAppearance,
4121                                                 true);
4122                     }
4123                 }
4124
4125                 if ( m_wndEditor2 )
4126                 {
4127                     wxASSERT_MSG( m_wndEditor2->GetParent() == GetPanel(),
4128                                   "CreateControls must use result of "
4129                                   "wxPropertyGrid::GetPanel() as parent "
4130                                   "of controls." );
4131
4132                     // Get proper id for wndSecondary
4133                     m_wndSecId = m_wndEditor2->GetId();
4134                     wxWindowList children = m_wndEditor2->GetChildren();
4135                     wxWindowList::iterator node = children.begin();
4136                     if ( node != children.end() )
4137                         m_wndSecId = ((wxWindow*)*node)->GetId();
4138
4139                     m_wndEditor2->SetSizeHints(3,3);
4140
4141                     m_wndEditor2->Show();
4142
4143                     SetupChildEventHandling(m_wndEditor2);
4144
4145                     // If no primary editor, focus to button to allow
4146                     // it to interprete ENTER etc.
4147                     // NOTE: Due to problems focusing away from it, this
4148                     //       has been disabled.
4149                     /*
4150                     if ( (flags & wxPG_SEL_FOCUS) && !m_wndEditor )
4151                         m_wndEditor2->SetFocus();
4152                     */
4153                 }
4154
4155                 if ( flags & wxPG_SEL_FOCUS )
4156                     m_editorFocused = 1;
4157
4158             }
4159             else
4160             {
4161                 // Make sure focus is in grid canvas (important for wxGTK,
4162                 // at least)
4163                 SetFocusOnCanvas();
4164             }
4165
4166             EditorsValueWasNotModified();
4167
4168             // If it's inside collapsed section, expand parent, scroll, etc.
4169             // Also, if it was partially visible, scroll it into view.
4170             if ( !(flags & wxPG_SEL_NONVISIBLE) )
4171                 EnsureVisible( p );
4172
4173             if ( m_wndEditor )
4174             {
4175                 m_wndEditor->Show(true);
4176             }
4177
4178             if ( !(flags & wxPG_SEL_NO_REFRESH) )
4179                 DrawItem(p);
4180         }
4181         else
4182         {
4183             // Make sure focus is in grid canvas
4184             SetFocusOnCanvas();
4185         }
4186
4187         ClearInternalFlag(wxPG_FL_IN_SELECT_PROPERTY);
4188     }
4189
4190 #if wxUSE_STATUSBAR
4191
4192     //
4193     // Show help text in status bar.
4194     //   (if found and grid not embedded in manager with help box and
4195     //    style wxPG_EX_HELP_AS_TOOLTIPS is not used).
4196     //
4197
4198     if ( !(GetExtraStyle() & wxPG_EX_HELP_AS_TOOLTIPS) )
4199     {
4200         wxStatusBar* statusbar = NULL;
4201         if ( !(m_iFlags & wxPG_FL_NOSTATUSBARHELP) )
4202         {
4203             wxFrame* frame = wxDynamicCast(::wxGetTopLevelParent(this),wxFrame);
4204             if ( frame )
4205                 statusbar = frame->GetStatusBar();
4206         }
4207
4208         if ( statusbar )
4209         {
4210             const wxString* pHelpString = (const wxString*) NULL;
4211
4212             if ( p )
4213             {
4214                 pHelpString = &p->GetHelpString();
4215                 if ( pHelpString->length() )
4216                 {
4217                     // Set help box text.
4218                     statusbar->SetStatusText( *pHelpString );
4219                     m_iFlags |= wxPG_FL_STRING_IN_STATUSBAR;
4220                 }
4221             }
4222
4223             if ( (!pHelpString || !pHelpString->length()) &&
4224                  (m_iFlags & wxPG_FL_STRING_IN_STATUSBAR) )
4225             {
4226                 // Clear help box - but only if it was written
4227                 // by us at previous time.
4228                 statusbar->SetStatusText( m_emptyString );
4229                 m_iFlags &= ~(wxPG_FL_STRING_IN_STATUSBAR);
4230             }
4231         }
4232     }
4233 #endif
4234
4235     m_inDoSelectProperty = 0;
4236
4237     // call wx event handler (here so that it also occurs on deselection)
4238     if ( !(flags & wxPG_SEL_DONT_SEND_EVENT) )
4239         SendEvent( wxEVT_PG_SELECTED, p, NULL );
4240
4241     return true;
4242 }
4243
4244 // -----------------------------------------------------------------------
4245
4246 bool wxPropertyGrid::UnfocusEditor()
4247 {
4248     wxPGProperty* selected = GetSelection();
4249
4250     if ( !selected || !m_wndEditor || m_frozen )
4251         return true;
4252
4253     if ( !CommitChangesFromEditor(0) )
4254         return false;
4255
4256     SetFocusOnCanvas();
4257     DrawItem(selected);
4258
4259     return true;
4260 }
4261
4262 // -----------------------------------------------------------------------
4263
4264 void wxPropertyGrid::RefreshEditor()
4265 {
4266     wxPGProperty* p = GetSelection();
4267     if ( !p )
4268         return;
4269
4270     wxWindow* wnd = GetEditorControl();
4271     if ( !wnd )
4272         return;
4273
4274     // Set editor font boldness - must do this before
4275     // calling UpdateControl().
4276     if ( HasFlag(wxPG_BOLD_MODIFIED) )
4277     {
4278         if ( p->HasFlag(wxPG_PROP_MODIFIED) )
4279             wnd->SetFont(GetCaptionFont());
4280         else
4281             wnd->SetFont(GetFont());
4282     }
4283
4284     const wxPGEditor* editorClass = p->GetEditorClass();
4285
4286     editorClass->UpdateControl(p, wnd);
4287
4288     if ( p->IsValueUnspecified() )
4289         SetEditorAppearance(m_unspecifiedAppearance, true);
4290 }
4291
4292 // -----------------------------------------------------------------------
4293
4294 bool wxPropertyGrid::SelectProperty( wxPGPropArg id, bool focus )
4295 {
4296     wxPG_PROP_ARG_CALL_PROLOG_RETVAL(false)
4297
4298     int flags = wxPG_SEL_DONT_SEND_EVENT;
4299     if ( focus )
4300         flags |= wxPG_SEL_FOCUS;
4301
4302     return DoSelectProperty(p, flags);
4303 }
4304
4305 // -----------------------------------------------------------------------
4306 // wxPropertyGrid expand/collapse state
4307 // -----------------------------------------------------------------------
4308
4309 bool wxPropertyGrid::DoCollapse( wxPGProperty* p, bool sendEvents )
4310 {
4311     wxPGProperty* pwc = wxStaticCast(p, wxPGProperty);
4312     wxPGProperty* selected = GetSelection();
4313
4314     // If active editor was inside collapsed section, then disable it
4315     if ( selected && selected->IsSomeParent(p) )
4316     {
4317         DoClearSelection();
4318     }
4319
4320     // Store dont-center-splitter flag 'cause we need to temporarily set it
4321     bool prevDontCenterSplitter = m_pState->m_dontCenterSplitter;
4322     m_pState->m_dontCenterSplitter = true;
4323
4324     bool res = m_pState->DoCollapse(pwc);
4325
4326     if ( res )
4327     {
4328         if ( sendEvents )
4329             SendEvent( wxEVT_PG_ITEM_COLLAPSED, p );
4330
4331         RecalculateVirtualSize();
4332         Refresh();
4333     }
4334
4335     m_pState->m_dontCenterSplitter = prevDontCenterSplitter;
4336
4337     return res;
4338 }
4339
4340 // -----------------------------------------------------------------------
4341
4342 bool wxPropertyGrid::DoExpand( wxPGProperty* p, bool sendEvents )
4343 {
4344     wxCHECK_MSG( p, false, wxT("invalid property id") );
4345
4346     wxPGProperty* pwc = (wxPGProperty*)p;
4347
4348     // Store dont-center-splitter flag 'cause we need to temporarily set it
4349     bool prevDontCenterSplitter = m_pState->m_dontCenterSplitter;
4350     m_pState->m_dontCenterSplitter = true;
4351
4352     bool res = m_pState->DoExpand(pwc);
4353
4354     if ( res )
4355     {
4356         if ( sendEvents )
4357             SendEvent( wxEVT_PG_ITEM_EXPANDED, p );
4358
4359         RecalculateVirtualSize();
4360         Refresh();
4361     }
4362
4363     m_pState->m_dontCenterSplitter = prevDontCenterSplitter;
4364
4365     return res;
4366 }
4367
4368 // -----------------------------------------------------------------------
4369
4370 bool wxPropertyGrid::DoHideProperty( wxPGProperty* p, bool hide, int flags )
4371 {
4372     if ( m_frozen )
4373         return m_pState->DoHideProperty(p, hide, flags);
4374
4375     wxArrayPGProperty selection = m_pState->m_selection;  // Must use a copy
4376     int selRemoveCount = 0;
4377     for ( unsigned int i=0; i<selection.size(); i++ )
4378     {
4379         wxPGProperty* selected = selection[i];
4380         if ( selected == p || selected->IsSomeParent(p) )
4381         {
4382             if ( !DoRemoveFromSelection(p, flags) )
4383                 return false;
4384             selRemoveCount += 1;
4385         }
4386     }
4387
4388     m_pState->DoHideProperty(p, hide, flags);
4389
4390     RecalculateVirtualSize();
4391     Refresh();
4392
4393     return true;
4394 }
4395
4396
4397 // -----------------------------------------------------------------------
4398 // wxPropertyGrid size related methods
4399 // -----------------------------------------------------------------------
4400
4401 void wxPropertyGrid::RecalculateVirtualSize( int forceXPos )
4402 {
4403     // Don't check for !HasInternalFlag(wxPG_FL_INITIALIZED) here. Otherwise
4404     // virtual size calculation may go wrong.
4405     if ( HasInternalFlag(wxPG_FL_RECALCULATING_VIRTUAL_SIZE) ||
4406          m_frozen ||
4407          !m_pState )
4408         return;
4409
4410     //
4411     // If virtual height was changed, then recalculate editor control position(s)
4412     if ( m_pState->m_vhCalcPending )
4413         CorrectEditorWidgetPosY();
4414
4415     m_pState->EnsureVirtualHeight();
4416
4417     wxASSERT_LEVEL_2_MSG(
4418         m_pState->GetVirtualHeight() == m_pState->GetActualVirtualHeight(),
4419         "VirtualHeight and ActualVirtualHeight should match"
4420     );
4421
4422     m_iFlags |= wxPG_FL_RECALCULATING_VIRTUAL_SIZE;
4423
4424     int x = m_pState->m_width;
4425     int y = m_pState->m_virtualHeight;
4426
4427     int width, height;
4428     GetClientSize(&width,&height);
4429
4430     // Now adjust virtual size.
4431     SetVirtualSize(x, y);
4432
4433     int xAmount = 0;
4434     int xPos = 0;
4435
4436     //
4437     // Adjust scrollbars
4438     if ( HasVirtualWidth() )
4439     {
4440         xAmount = x/wxPG_PIXELS_PER_UNIT;
4441         xPos = GetScrollPos( wxHORIZONTAL );
4442     }
4443
4444     if ( forceXPos != -1 )
4445         xPos = forceXPos;
4446     // xPos too high?
4447     else if ( xPos > (xAmount-(width/wxPG_PIXELS_PER_UNIT)) )
4448         xPos = 0;
4449
4450     int yAmount = y / wxPG_PIXELS_PER_UNIT;
4451     int yPos = GetScrollPos( wxVERTICAL );
4452
4453     SetScrollbars( wxPG_PIXELS_PER_UNIT, wxPG_PIXELS_PER_UNIT,
4454                    xAmount, yAmount, xPos, yPos, true );
4455
4456     // Must re-get size now
4457     GetClientSize(&width,&height);
4458
4459     if ( !HasVirtualWidth() )
4460     {
4461         m_pState->SetVirtualWidth(width);
4462         x = width;
4463     }
4464
4465     m_width = width;
4466     m_height = height;
4467
4468     m_pState->CheckColumnWidths();
4469
4470     if ( GetSelection() )
4471         CorrectEditorWidgetSizeX();
4472
4473     m_iFlags &= ~wxPG_FL_RECALCULATING_VIRTUAL_SIZE;
4474 }
4475
4476 // -----------------------------------------------------------------------
4477
4478 void wxPropertyGrid::OnResize( wxSizeEvent& event )
4479 {
4480     if ( !(m_iFlags & wxPG_FL_INITIALIZED) )
4481         return;
4482
4483     int width, height;
4484     GetClientSize(&width, &height);
4485
4486     m_width = width;
4487     m_height = height;
4488
4489 #if wxPG_DOUBLE_BUFFER
4490     if ( !(GetExtraStyle() & wxPG_EX_NATIVE_DOUBLE_BUFFERING) )
4491     {
4492         int dblh = (m_lineHeight*2);
4493         if ( !m_doubleBuffer )
4494         {
4495             // Create double buffer bitmap to draw on, if none
4496             int w = (width>250)?width:250;
4497             int h = height + dblh;
4498             h = (h>400)?h:400;
4499             m_doubleBuffer = new wxBitmap( w, h );
4500         }
4501         else
4502         {
4503             int w = m_doubleBuffer->GetWidth();
4504             int h = m_doubleBuffer->GetHeight();
4505
4506             // Double buffer must be large enough
4507             if ( w < width || h < (height+dblh) )
4508             {
4509                 if ( w < width ) w = width;
4510                 if ( h < (height+dblh) ) h = height + dblh;
4511                 delete m_doubleBuffer;
4512                 m_doubleBuffer = new wxBitmap( w, h );
4513             }
4514         }
4515     }
4516
4517 #endif
4518
4519     m_pState->OnClientWidthChange( width, event.GetSize().x - m_ncWidth, true );
4520     m_ncWidth = event.GetSize().x;
4521
4522     if ( !m_frozen )
4523     {
4524         if ( m_pState->m_itemsAdded )
4525             PrepareAfterItemsAdded();
4526         else
4527             // Without this, virtual size (atleast under wxGTK) will be skewed
4528             RecalculateVirtualSize();
4529
4530         Refresh();
4531     }
4532 }
4533
4534 // -----------------------------------------------------------------------
4535
4536 void wxPropertyGrid::SetVirtualWidth( int width )
4537 {
4538     if ( width == -1 )
4539     {
4540         // Disable virtual width
4541         width = GetClientSize().x;
4542         ClearInternalFlag(wxPG_FL_HAS_VIRTUAL_WIDTH);
4543     }
4544     else
4545     {
4546         // Enable virtual width
4547         SetInternalFlag(wxPG_FL_HAS_VIRTUAL_WIDTH);
4548     }
4549     m_pState->SetVirtualWidth( width );
4550 }
4551
4552 void wxPropertyGrid::SetFocusOnCanvas()
4553 {
4554     SetFocusIgnoringChildren();
4555     m_editorFocused = 0;
4556 }
4557
4558 // -----------------------------------------------------------------------
4559 // wxPropertyGrid mouse event handling
4560 // -----------------------------------------------------------------------
4561
4562 // selFlags uses same values DoSelectProperty's flags
4563 // Returns true if event was vetoed.
4564 bool wxPropertyGrid::SendEvent( int eventType, wxPGProperty* p,
4565                                 wxVariant* pValue,
4566                                 unsigned int selFlags,
4567                                 unsigned int column )
4568 {
4569     // selFlags should have wxPG_SEL_NOVALIDATE if event is not
4570     // vetoable.
4571
4572     // Send property grid event of specific type and with specific property
4573     wxPropertyGridEvent evt( eventType, m_eventObject->GetId() );
4574     evt.SetPropertyGrid(this);
4575     evt.SetEventObject(m_eventObject);
4576     evt.SetProperty(p);
4577     evt.SetColumn(column);
4578     if ( eventType == wxEVT_PG_CHANGING )
4579     {
4580         wxASSERT( pValue );
4581         evt.SetCanVeto(true);
4582         m_validationInfo.m_pValue = pValue;
4583         evt.SetupValidationInfo();
4584     }
4585     else
4586     {
4587         if ( p )
4588             evt.SetPropertyValue(p->GetValue());
4589
4590         if ( !(selFlags & wxPG_SEL_NOVALIDATE) )
4591             evt.SetCanVeto(true);
4592     }
4593
4594     wxPropertyGridEvent* prevProcessedEvent = m_processedEvent;
4595     m_processedEvent = &evt;
4596     m_eventObject->HandleWindowEvent(evt);
4597     m_processedEvent = prevProcessedEvent;
4598
4599     return evt.WasVetoed();
4600 }
4601
4602 // -----------------------------------------------------------------------
4603
4604 // Return false if should be skipped
4605 bool wxPropertyGrid::HandleMouseClick( int x, unsigned int y, wxMouseEvent &event )
4606 {
4607     bool res = true;
4608
4609     // Need to set focus?
4610     if ( !(m_iFlags & wxPG_FL_FOCUSED) )
4611     {
4612         SetFocusOnCanvas();
4613     }
4614
4615     wxPropertyGridPageState* state = m_pState;
4616     int splitterHit;
4617     int splitterHitOffset;
4618     int columnHit = state->HitTestH( x, &splitterHit, &splitterHitOffset );
4619
4620     wxPGProperty* p = DoGetItemAtY(y);
4621
4622     if ( p )
4623     {
4624         int depth = (int)p->GetDepth() - 1;
4625
4626         int marginEnds = m_marginWidth + ( depth * m_subgroup_extramargin );
4627
4628         if ( x >= marginEnds )
4629         {
4630             // Outside margin.
4631
4632             if ( p->IsCategory() )
4633             {
4634                 // This is category.
4635                 wxPropertyCategory* pwc = (wxPropertyCategory*)p;
4636
4637                 int textX = m_marginWidth + ((unsigned int)((pwc->m_depth-1)*m_subgroup_extramargin));
4638
4639                 // Expand, collapse, activate etc. if click on text or left of splitter.
4640                 if ( x >= textX
4641                      &&
4642                      ( x < (textX+pwc->GetTextExtent(this, m_captionFont)+(wxPG_CAPRECTXMARGIN*2)) ||
4643                        columnHit == 0
4644                      )
4645                     )
4646                 {
4647                     if ( !AddToSelectionFromInputEvent( p,
4648                                                         columnHit,
4649                                                         &event ) )
4650                         return res;
4651
4652                     // On double-click, expand/collapse.
4653                     if ( event.ButtonDClick() && !(m_windowStyle & wxPG_HIDE_MARGIN) )
4654                     {
4655                         if ( pwc->IsExpanded() ) DoCollapse( p, true );
4656                         else DoExpand( p, true );
4657                     }
4658                 }
4659             }
4660             else if ( splitterHit == -1 )
4661             {
4662             // Click on value.
4663                 unsigned int selFlag = 0;
4664                 if ( columnHit == 1 )
4665                 {
4666                     m_iFlags |= wxPG_FL_ACTIVATION_BY_CLICK;
4667                     selFlag = wxPG_SEL_FOCUS;
4668                 }
4669                 if ( !AddToSelectionFromInputEvent( p,
4670                                                     columnHit,
4671                                                     &event,
4672                                                     selFlag ) )
4673                     return res;
4674
4675                 m_iFlags &= ~(wxPG_FL_ACTIVATION_BY_CLICK);
4676
4677                 if ( p->GetChildCount() && !p->IsCategory() )
4678                     // On double-click, expand/collapse.
4679                     if ( event.ButtonDClick() && !(m_windowStyle & wxPG_HIDE_MARGIN) )
4680                     {
4681                         wxPGProperty* pwc = (wxPGProperty*)p;
4682                         if ( pwc->IsExpanded() ) DoCollapse( p, true );
4683                         else DoExpand( p, true );
4684                     }
4685
4686                 res = false;
4687             }
4688             else
4689             {
4690             // click on splitter
4691                 if ( !(m_windowStyle & wxPG_STATIC_SPLITTER) )
4692                 {
4693                     if ( event.GetEventType() == wxEVT_LEFT_DCLICK )
4694                     {
4695                         // Double-clicking the splitter causes auto-centering
4696                         if ( m_pState->GetColumnCount() <= 2 )
4697                         {
4698                             ResetColumnSizes( true );
4699
4700                             SendEvent(wxEVT_PG_COL_DRAGGING,
4701                                       m_propHover,
4702                                       NULL,
4703                                       wxPG_SEL_NOVALIDATE,
4704                                       (unsigned int)m_draggedSplitter);
4705                         }
4706                     }
4707                     else if ( m_dragStatus == 0 )
4708                     {
4709                         //
4710                         // Begin draggin the splitter
4711                         //
4712
4713                         // send event
4714                         DoEndLabelEdit(true, wxPG_SEL_NOVALIDATE);
4715
4716                         // Allow application to veto dragging
4717                         if ( !SendEvent(wxEVT_PG_COL_BEGIN_DRAG,
4718                                         p, NULL, 0,
4719                                         (unsigned int)splitterHit) )
4720                         {
4721                             if ( m_wndEditor )
4722                             {
4723                                 // Changes must be committed here or the
4724                                 // value won't be drawn correctly
4725                                 if ( !CommitChangesFromEditor() )
4726                                     return res;
4727
4728                                 m_wndEditor->Show ( false );
4729                             }
4730
4731                             if ( !(m_iFlags & wxPG_FL_MOUSE_CAPTURED) )
4732                             {
4733                                 CaptureMouse();
4734                                 m_iFlags |= wxPG_FL_MOUSE_CAPTURED;
4735                             }
4736
4737                             m_dragStatus = 1;
4738                             m_draggedSplitter = splitterHit;
4739                             m_dragOffset = splitterHitOffset;
4740
4741                         #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
4742                             // Fixes button disappearance bug
4743                             if ( m_wndEditor2 )
4744                                 m_wndEditor2->Show ( false );
4745                         #endif
4746
4747                             m_startingSplitterX = x - splitterHitOffset;
4748                         }
4749                     }
4750                 }
4751             }
4752         }
4753         else
4754         {
4755         // Click on margin.
4756             if ( p->GetChildCount() )
4757             {
4758                 int nx = x + m_marginWidth - marginEnds; // Normalize x.
4759
4760                 // Fine tune cell button x
4761                 if ( !p->IsCategory() )
4762                     nx -= IN_CELL_EXPANDER_BUTTON_X_ADJUST;
4763
4764                 if ( (nx >= m_gutterWidth && nx < (m_gutterWidth+m_iconWidth)) )
4765                 {
4766                     int y2 = y % m_lineHeight;
4767                     if ( (y2 >= m_buttonSpacingY && y2 < (m_buttonSpacingY+m_iconHeight)) )
4768                     {
4769                         // On click on expander button, expand/collapse
4770                         if ( ((wxPGProperty*)p)->IsExpanded() )
4771                             DoCollapse( p, true );
4772                         else
4773                             DoExpand( p, true );
4774                     }
4775                 }
4776             }
4777         }
4778     }
4779     return res;
4780 }
4781
4782 // -----------------------------------------------------------------------
4783
4784 bool wxPropertyGrid::HandleMouseRightClick( int WXUNUSED(x),
4785                                             unsigned int WXUNUSED(y),
4786                                             wxMouseEvent& event )
4787 {
4788     if ( m_propHover )
4789     {
4790         // Select property here as well
4791         wxPGProperty* p = m_propHover;
4792         AddToSelectionFromInputEvent(p, m_colHover, &event);
4793
4794         // Send right click event.
4795         SendEvent( wxEVT_PG_RIGHT_CLICK, p );
4796
4797         return true;
4798     }
4799     return false;
4800 }
4801
4802 // -----------------------------------------------------------------------
4803
4804 bool wxPropertyGrid::HandleMouseDoubleClick( int WXUNUSED(x),
4805                                              unsigned int WXUNUSED(y),
4806                                              wxMouseEvent& event )
4807 {
4808     if ( m_propHover )
4809     {
4810         // Select property here as well
4811         wxPGProperty* p = m_propHover;
4812
4813         AddToSelectionFromInputEvent(p, m_colHover, &event);
4814
4815         // Send double-click event.
4816         SendEvent( wxEVT_PG_DOUBLE_CLICK, m_propHover );
4817
4818         return true;
4819     }
4820     return false;
4821 }
4822
4823 // -----------------------------------------------------------------------
4824
4825 #if wxPG_SUPPORT_TOOLTIPS
4826
4827 void wxPropertyGrid::SetToolTip( const wxString& tipString )
4828 {
4829     if ( tipString.length() )
4830     {
4831         wxScrolledWindow::SetToolTip(tipString);
4832     }
4833     else
4834     {
4835     #if wxPG_ALLOW_EMPTY_TOOLTIPS
4836         wxScrolledWindow::SetToolTip( m_emptyString );
4837     #else
4838         wxScrolledWindow::SetToolTip( NULL );
4839     #endif
4840     }
4841 }
4842
4843 #endif // #if wxPG_SUPPORT_TOOLTIPS
4844
4845 // -----------------------------------------------------------------------
4846
4847 // Return false if should be skipped
4848 bool wxPropertyGrid::HandleMouseMove( int x, unsigned int y,
4849                                       wxMouseEvent &event )
4850 {
4851     // Safety check (needed because mouse capturing may
4852     // otherwise freeze the control)
4853     if ( m_dragStatus > 0 && !event.Dragging() )
4854     {
4855         HandleMouseUp(x, y, event);
4856     }
4857
4858     wxPropertyGridPageState* state = m_pState;
4859     int splitterHit;
4860     int splitterHitOffset;
4861     int columnHit = state->HitTestH( x, &splitterHit, &splitterHitOffset );
4862     int splitterX = x - splitterHitOffset;
4863
4864     m_colHover = columnHit;
4865
4866     if ( m_dragStatus > 0 )
4867     {
4868         if ( x > (m_marginWidth + wxPG_DRAG_MARGIN) &&
4869              x < (m_pState->m_width - wxPG_DRAG_MARGIN) )
4870         {
4871
4872             int newSplitterX = x - m_dragOffset;
4873
4874             // Splitter redraw required?
4875             if ( newSplitterX != splitterX )
4876             {
4877                 // Move everything
4878                 DoSetSplitterPosition(newSplitterX,
4879                                       m_draggedSplitter,
4880                                       wxPG_SPLITTER_REFRESH |
4881                                       wxPG_SPLITTER_FROM_EVENT);
4882
4883                 SendEvent(wxEVT_PG_COL_DRAGGING,
4884                           m_propHover,
4885                           NULL,
4886                           wxPG_SEL_NOVALIDATE,
4887                           (unsigned int)m_draggedSplitter);
4888             }
4889
4890             m_dragStatus = 2;
4891         }
4892
4893         return false;
4894     }
4895     else
4896     {
4897
4898         int ih = m_lineHeight;
4899         int sy = y;
4900
4901     #if wxPG_SUPPORT_TOOLTIPS
4902         wxPGProperty* prevHover = m_propHover;
4903         unsigned char prevSide = m_mouseSide;
4904     #endif
4905         int curPropHoverY = y - (y % ih);
4906
4907         // On which item it hovers
4908         if ( !m_propHover
4909              ||
4910              ( sy < m_propHoverY || sy >= (m_propHoverY+ih) )
4911            )
4912         {
4913             // Mouse moves on another property
4914
4915             m_propHover = DoGetItemAtY(y);
4916             m_propHoverY = curPropHoverY;
4917
4918             // Send hover event
4919             SendEvent( wxEVT_PG_HIGHLIGHTED, m_propHover );
4920         }
4921
4922     #if wxPG_SUPPORT_TOOLTIPS
4923         // Store which side we are on
4924         m_mouseSide = 0;
4925         if ( columnHit == 1 )
4926             m_mouseSide = 2;
4927         else if ( columnHit == 0 )
4928             m_mouseSide = 1;
4929
4930         //
4931         // If tooltips are enabled, show label or value as a tip
4932         // in case it doesn't otherwise show in full length.
4933         //
4934         if ( m_windowStyle & wxPG_TOOLTIPS )
4935         {
4936             wxToolTip* tooltip = GetToolTip();
4937
4938             if ( m_propHover != prevHover || prevSide != m_mouseSide )
4939             {
4940                 if ( m_propHover && !m_propHover->IsCategory() )
4941                 {
4942
4943                     if ( GetExtraStyle() & wxPG_EX_HELP_AS_TOOLTIPS )
4944                     {
4945                         // Show help string as a tooltip
4946                         wxString tipString = m_propHover->GetHelpString();
4947
4948                         SetToolTip(tipString);
4949                     }
4950                     else
4951                     {
4952                         // Show cropped value string as a tooltip
4953                         wxString tipString;
4954                         int space = 0;
4955
4956                         if ( m_mouseSide == 1 )
4957                         {
4958                             tipString = m_propHover->m_label;
4959                             space = splitterX-m_marginWidth-3;
4960                         }
4961                         else if ( m_mouseSide == 2 )
4962                         {
4963                             tipString = m_propHover->GetDisplayedString();
4964
4965                             space = m_width - splitterX;
4966                             if ( m_propHover->m_flags & wxPG_PROP_CUSTOMIMAGE )
4967                                 space -= wxPG_CUSTOM_IMAGE_WIDTH +
4968                                          wxCC_CUSTOM_IMAGE_MARGIN1 +
4969                                          wxCC_CUSTOM_IMAGE_MARGIN2;
4970                         }
4971
4972                         if ( space )
4973                         {
4974                             int tw, th;
4975                             GetTextExtent( tipString, &tw, &th, 0, 0 );
4976                             if ( tw > space )
4977                             {
4978                                 SetToolTip( tipString );
4979                             }
4980                         }
4981                         else
4982                         {
4983                             if ( tooltip )
4984                             {
4985                             #if wxPG_ALLOW_EMPTY_TOOLTIPS
4986                                 SetToolTip( m_emptyString );
4987                             #else
4988                                 wxScrolledWindow::SetToolTip( NULL );
4989                             #endif
4990                             }
4991                         }
4992
4993                     }
4994                 }
4995                 else
4996                 {
4997                     if ( tooltip )
4998                     {
4999                     #if wxPG_ALLOW_EMPTY_TOOLTIPS
5000                         SetToolTip( m_emptyString );
5001                     #else
5002                         wxScrolledWindow::SetToolTip( NULL );
5003                     #endif
5004                     }
5005                 }
5006             }
5007         }
5008     #endif
5009
5010         if ( splitterHit == -1 ||
5011              !m_propHover ||
5012              HasFlag(wxPG_STATIC_SPLITTER) )
5013         {
5014             // hovering on something else
5015             if ( m_curcursor != wxCURSOR_ARROW )
5016                 CustomSetCursor( wxCURSOR_ARROW );
5017         }
5018         else
5019         {
5020             // Do not allow splitter cursor on caption items.
5021             // (also not if we were dragging and its started
5022             // outside the splitter region)
5023
5024             if ( !m_propHover->IsCategory() &&
5025                  !event.Dragging() )
5026             {
5027
5028                 // hovering on splitter
5029
5030                 // NB: Condition disabled since MouseLeave event (from the
5031                 //     editor control) cannot be reliably detected.
5032                 //if ( m_curcursor != wxCURSOR_SIZEWE )
5033                 CustomSetCursor( wxCURSOR_SIZEWE, true );
5034
5035                 return false;
5036             }
5037             else
5038             {
5039                 // hovering on something else
5040                 if ( m_curcursor != wxCURSOR_ARROW )
5041                     CustomSetCursor( wxCURSOR_ARROW );
5042             }
5043         }
5044
5045         //
5046         // Multi select by dragging
5047         //
5048         if ( (GetExtraStyle() & wxPG_EX_MULTIPLE_SELECTION) &&
5049              event.LeftIsDown() &&
5050              m_propHover &&
5051              GetSelection() &&
5052              columnHit != 1 &&
5053              !state->DoIsPropertySelected(m_propHover) )
5054         {
5055             // Additional requirement is that the hovered property
5056             // is adjacent to edges of selection.
5057             const wxArrayPGProperty& selection = GetSelectedProperties();
5058
5059             // Since categories cannot be selected along with 'other'
5060             // properties, exclude them from iterator flags.
5061             int iterFlags = wxPG_ITERATE_VISIBLE & (~wxPG_PROP_CATEGORY);
5062
5063             for ( int i=(selection.size()-1); i>=0; i-- )
5064             {
5065                 // TODO: This could be optimized by keeping track of
5066                 //       which properties are at the edges of selection.
5067                 wxPGProperty* selProp = selection[i];
5068                 if ( state->ArePropertiesAdjacent(m_propHover, selProp,
5069                                                   iterFlags) )
5070                 {
5071                     DoAddToSelection(m_propHover);
5072                     break;
5073                 }
5074             }
5075         }
5076     }
5077     return true;
5078 }
5079
5080 // -----------------------------------------------------------------------
5081
5082 // Also handles Leaving event
5083 bool wxPropertyGrid::HandleMouseUp( int x, unsigned int WXUNUSED(y),
5084                                     wxMouseEvent &WXUNUSED(event) )
5085 {
5086     wxPropertyGridPageState* state = m_pState;
5087     bool res = false;
5088
5089     int splitterHit;
5090     int splitterHitOffset;
5091     state->HitTestH( x, &splitterHit, &splitterHitOffset );
5092
5093     // No event type check - basicly calling this method should
5094     // just stop dragging.
5095     // Left up after dragged?
5096     if ( m_dragStatus >= 1 )
5097     {
5098     //
5099     // End Splitter Dragging
5100     //
5101         // DO NOT ENABLE FOLLOWING LINE!
5102         // (it is only here as a reminder to not to do it)
5103         //splitterX = x;
5104
5105         SendEvent(wxEVT_PG_COL_END_DRAG,
5106                   m_propHover,
5107                   NULL,
5108                   wxPG_SEL_NOVALIDATE,
5109                   (unsigned int)m_draggedSplitter);
5110
5111         // Disable splitter auto-centering (but only if moved any -
5112         // otherwise we end up disabling auto-center even after a
5113         // recentering double-click).
5114         int posDiff = abs(m_startingSplitterX -
5115                           GetSplitterPosition(m_draggedSplitter));
5116
5117         if ( posDiff > 1 )
5118             state->m_dontCenterSplitter = true;
5119
5120         // This is necessary to return cursor
5121         if ( m_iFlags & wxPG_FL_MOUSE_CAPTURED )
5122         {
5123             ReleaseMouse();
5124             m_iFlags &= ~(wxPG_FL_MOUSE_CAPTURED);
5125         }
5126
5127         // Set back the default cursor, if necessary
5128         if ( splitterHit == -1 ||
5129              !m_propHover )
5130         {
5131             CustomSetCursor( wxCURSOR_ARROW );
5132         }
5133
5134         m_dragStatus = 0;
5135
5136         // Control background needs to be cleared
5137         wxPGProperty* selected = GetSelection();
5138         if ( !(m_iFlags & wxPG_FL_PRIMARY_FILLS_ENTIRE) && selected )
5139             DrawItem( selected );
5140
5141         if ( m_wndEditor )
5142         {
5143             m_wndEditor->Show ( true );
5144         }
5145
5146     #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
5147         // Fixes button disappearance bug
5148         if ( m_wndEditor2 )
5149             m_wndEditor2->Show ( true );
5150     #endif
5151
5152         // This clears the focus.
5153         m_editorFocused = 0;
5154
5155     }
5156     return res;
5157 }
5158
5159 // -----------------------------------------------------------------------
5160
5161 bool wxPropertyGrid::OnMouseCommon( wxMouseEvent& event, int* px, int* py )
5162 {
5163     int splitterX = GetSplitterPosition();
5164
5165     int ux, uy;
5166     CalcUnscrolledPosition( event.m_x, event.m_y, &ux, &uy );
5167
5168     wxWindow* wnd = GetEditorControl();
5169
5170     // Hide popup on clicks
5171     if ( event.GetEventType() != wxEVT_MOTION )
5172         if ( wnd && wnd->IsKindOf(CLASSINFO(wxOwnerDrawnComboBox)) )
5173         {
5174             ((wxOwnerDrawnComboBox*)wnd)->HidePopup();
5175         }
5176
5177     wxRect r;
5178     if ( wnd )
5179         r = wnd->GetRect();
5180     if ( wnd == NULL || m_dragStatus ||
5181          (
5182            ux <= (splitterX + wxPG_SPLITTERX_DETECTMARGIN2) ||
5183            ux >= (r.x+r.width) ||
5184            event.m_y < r.y ||
5185            event.m_y >= (r.y+r.height)
5186          )
5187        )
5188     {
5189         *px = ux;
5190         *py = uy;
5191         return true;
5192     }
5193     else
5194     {
5195         if ( m_curcursor != wxCURSOR_ARROW ) CustomSetCursor ( wxCURSOR_ARROW );
5196     }
5197     return false;
5198 }
5199
5200 // -----------------------------------------------------------------------
5201
5202 void wxPropertyGrid::OnMouseClick( wxMouseEvent &event )
5203 {
5204     int x, y;
5205     if ( OnMouseCommon( event, &x, &y ) )
5206     {
5207         HandleMouseClick(x,y,event);
5208     }
5209     event.Skip();
5210 }
5211
5212 // -----------------------------------------------------------------------
5213
5214 void wxPropertyGrid::OnMouseRightClick( wxMouseEvent &event )
5215 {
5216     int x, y;
5217     CalcUnscrolledPosition( event.m_x, event.m_y, &x, &y );
5218     HandleMouseRightClick(x,y,event);
5219     event.Skip();
5220 }
5221
5222 // -----------------------------------------------------------------------
5223
5224 void wxPropertyGrid::OnMouseDoubleClick( wxMouseEvent &event )
5225 {
5226     // Always run standard mouse-down handler as well
5227     OnMouseClick(event);
5228
5229     int x, y;
5230     CalcUnscrolledPosition( event.m_x, event.m_y, &x, &y );
5231     HandleMouseDoubleClick(x,y,event);
5232     event.Skip();
5233 }
5234
5235 // -----------------------------------------------------------------------
5236
5237 void wxPropertyGrid::OnMouseMove( wxMouseEvent &event )
5238 {
5239     int x, y;
5240     if ( OnMouseCommon( event, &x, &y ) )
5241     {
5242         HandleMouseMove(x,y,event);
5243     }
5244     event.Skip();
5245 }
5246
5247 // -----------------------------------------------------------------------
5248
5249 void wxPropertyGrid::OnMouseUp( wxMouseEvent &event )
5250 {
5251     int x, y;
5252     if ( OnMouseCommon( event, &x, &y ) )
5253     {
5254         HandleMouseUp(x,y,event);
5255     }
5256     event.Skip();
5257 }
5258
5259 // -----------------------------------------------------------------------
5260
5261 void wxPropertyGrid::OnMouseEntry( wxMouseEvent &event )
5262 {
5263     // This may get called from child control as well, so event's
5264     // mouse position cannot be relied on.
5265
5266     if ( event.Entering() )
5267     {
5268         if ( !(m_iFlags & wxPG_FL_MOUSE_INSIDE) )
5269         {
5270             // TODO: Fix this (detect parent and only do
5271             //   cursor trick if it is a manager).
5272             wxASSERT( GetParent() );
5273             GetParent()->SetCursor(wxNullCursor);
5274
5275             m_iFlags |= wxPG_FL_MOUSE_INSIDE;
5276         }
5277         else
5278             GetParent()->SetCursor(wxNullCursor);
5279     }
5280     else if ( event.Leaving() )
5281     {
5282         // Without this, wxSpinCtrl editor will sometimes have wrong cursor
5283         SetCursor( wxNullCursor );
5284
5285         // Get real cursor position
5286         wxPoint pt = ScreenToClient(::wxGetMousePosition());
5287
5288         if ( ( pt.x <= 0 || pt.y <= 0 || pt.x >= m_width || pt.y >= m_height ) )
5289         {
5290             {
5291                 if ( (m_iFlags & wxPG_FL_MOUSE_INSIDE) )
5292                 {
5293                     m_iFlags &= ~(wxPG_FL_MOUSE_INSIDE);
5294                 }
5295
5296                 if ( m_dragStatus )
5297                     wxPropertyGrid::HandleMouseUp ( -1, 10000, event );
5298             }
5299         }
5300     }
5301
5302     event.Skip();
5303 }
5304
5305 // -----------------------------------------------------------------------
5306
5307 // Common code used by various OnMouseXXXChild methods.
5308 bool wxPropertyGrid::OnMouseChildCommon( wxMouseEvent &event, int* px, int *py )
5309 {
5310     wxWindow* topCtrlWnd = (wxWindow*)event.GetEventObject();
5311     wxASSERT( topCtrlWnd );
5312     int x, y;
5313     event.GetPosition(&x,&y);
5314
5315     int splitterX = GetSplitterPosition();
5316
5317     wxRect r = topCtrlWnd->GetRect();
5318     if ( !m_dragStatus &&
5319          x > (splitterX-r.x+wxPG_SPLITTERX_DETECTMARGIN2) &&
5320          y >= 0 && y < r.height \
5321        )
5322     {
5323         if ( m_curcursor != wxCURSOR_ARROW ) CustomSetCursor ( wxCURSOR_ARROW );
5324         event.Skip();
5325     }
5326     else
5327     {
5328         CalcUnscrolledPosition( event.m_x + r.x, event.m_y + r.y, \
5329             px, py );
5330         return true;
5331     }
5332     return false;
5333 }
5334
5335 void wxPropertyGrid::OnMouseClickChild( wxMouseEvent &event )
5336 {
5337     int x,y;
5338     if ( OnMouseChildCommon(event,&x,&y) )
5339     {
5340         bool res = HandleMouseClick(x,y,event);
5341         if ( !res ) event.Skip();
5342     }
5343 }
5344
5345 void wxPropertyGrid::OnMouseRightClickChild( wxMouseEvent &event )
5346 {
5347     int x,y;
5348     wxASSERT( m_wndEditor );
5349     // These coords may not be exact (about +-2),
5350     // but that should not matter (right click is about item, not position).
5351     wxPoint pt = m_wndEditor->GetPosition();
5352     CalcUnscrolledPosition( event.m_x + pt.x, event.m_y + pt.y, &x, &y );
5353
5354     // FIXME: Used to set m_propHover to selection here. Was it really
5355     //        necessary?
5356
5357     bool res = HandleMouseRightClick(x,y,event);
5358     if ( !res ) event.Skip();
5359 }
5360
5361 void wxPropertyGrid::OnMouseMoveChild( wxMouseEvent &event )
5362 {
5363     int x,y;
5364     if ( OnMouseChildCommon(event,&x,&y) )
5365     {
5366         bool res = HandleMouseMove(x,y,event);
5367         if ( !res ) event.Skip();
5368     }
5369 }
5370
5371 void wxPropertyGrid::OnMouseUpChild( wxMouseEvent &event )
5372 {
5373     int x,y;
5374     if ( OnMouseChildCommon(event,&x,&y) )
5375     {
5376         bool res = HandleMouseUp(x,y,event);
5377         if ( !res ) event.Skip();
5378     }
5379 }
5380
5381 // -----------------------------------------------------------------------
5382 // wxPropertyGrid keyboard event handling
5383 // -----------------------------------------------------------------------
5384
5385 int wxPropertyGrid::KeyEventToActions(wxKeyEvent &event, int* pSecond) const
5386 {
5387     // Translates wxKeyEvent to wxPG_ACTION_XXX
5388
5389     int keycode = event.GetKeyCode();
5390     int modifiers = event.GetModifiers();
5391
5392     wxASSERT( !(modifiers&~(0xFFFF)) );
5393
5394     int hashMapKey = (keycode & 0xFFFF) | ((modifiers & 0xFFFF) << 16);
5395
5396     wxPGHashMapI2I::const_iterator it = m_actionTriggers.find(hashMapKey);
5397
5398     if ( it == m_actionTriggers.end() )
5399         return 0;
5400
5401     if ( pSecond )
5402     {
5403         int second = (it->second>>16) & 0xFFFF;
5404         *pSecond = second;
5405     }
5406
5407     return (it->second & 0xFFFF);
5408 }
5409
5410 void wxPropertyGrid::AddActionTrigger( int action, int keycode, int modifiers )
5411 {
5412     wxASSERT( !(modifiers&~(0xFFFF)) );
5413
5414     int hashMapKey = (keycode & 0xFFFF) | ((modifiers & 0xFFFF) << 16);
5415
5416     wxPGHashMapI2I::iterator it = m_actionTriggers.find(hashMapKey);
5417
5418     if ( it != m_actionTriggers.end() )
5419     {
5420         // This key combination is already used
5421
5422         // Can add secondary?
5423         wxASSERT_MSG( !(it->second&~(0xFFFF)),
5424                       wxT("You can only add up to two separate actions per key combination.") );
5425
5426         action = it->second | (action<<16);
5427     }
5428
5429     m_actionTriggers[hashMapKey] = action;
5430 }
5431
5432 void wxPropertyGrid::ClearActionTriggers( int action )
5433 {
5434     wxPGHashMapI2I::iterator it;
5435     bool didSomething;
5436
5437     do
5438     {
5439         didSomething = false;
5440
5441         for ( it = m_actionTriggers.begin();
5442               it != m_actionTriggers.end();
5443               it++ )
5444         {
5445             if ( it->second == action )
5446             {
5447                 m_actionTriggers.erase(it);
5448                 didSomething = true;
5449                 break;
5450             }
5451         }
5452     }
5453     while ( didSomething );
5454 }
5455
5456 void wxPropertyGrid::HandleKeyEvent( wxKeyEvent &event, bool fromChild )
5457 {
5458     //
5459     // Handles key event when editor control is not focused.
5460     //
5461
5462     wxCHECK2(!m_frozen, return);
5463
5464     // Travelsal between items, collapsing/expanding, etc.
5465     wxPGProperty* selected = GetSelection();
5466     int keycode = event.GetKeyCode();
5467     bool editorFocused = IsEditorFocused();
5468
5469     if ( keycode == WXK_TAB )
5470     {
5471         wxWindow* mainControl;
5472
5473         if ( HasInternalFlag(wxPG_FL_IN_MANAGER) )
5474             mainControl = GetParent();
5475         else
5476             mainControl = this;
5477
5478         if ( !event.ShiftDown() )
5479         {
5480             if ( !editorFocused && m_wndEditor )
5481             {
5482                 DoSelectProperty( selected, wxPG_SEL_FOCUS );
5483             }
5484             else
5485             {
5486                 // Tab traversal workaround for platforms on which
5487                 // wxWindow::Navigate() may navigate into first child
5488                 // instead of next sibling. Does not work perfectly
5489                 // in every scenario (for instance, when property grid
5490                 // is either first or last control).
5491             #if defined(__WXGTK__)
5492                 wxWindow* sibling = mainControl->GetNextSibling();
5493                 if ( sibling )
5494                     sibling->SetFocusFromKbd();
5495             #else
5496                 Navigate(wxNavigationKeyEvent::IsForward);
5497             #endif
5498             }
5499         }
5500         else
5501         {
5502             if ( editorFocused )
5503             {
5504                 UnfocusEditor();
5505             }
5506             else
5507             {
5508             #if defined(__WXGTK__)
5509                 wxWindow* sibling = mainControl->GetPrevSibling();
5510                 if ( sibling )
5511                     sibling->SetFocusFromKbd();
5512             #else
5513                 Navigate(wxNavigationKeyEvent::IsBackward);
5514             #endif
5515             }
5516         }
5517
5518         return;
5519     }
5520
5521     // Ignore Alt and Control when they are down alone
5522     if ( keycode == WXK_ALT ||
5523          keycode == WXK_CONTROL )
5524     {
5525         event.Skip();
5526         return;
5527     }
5528
5529     int secondAction;
5530     int action = KeyEventToActions(event, &secondAction);
5531
5532     if ( editorFocused && action == wxPG_ACTION_CANCEL_EDIT )
5533     {
5534         //
5535         // Esc cancels any changes
5536         if ( IsEditorsValueModified() )
5537         {
5538             EditorsValueWasNotModified();
5539
5540             // Update the control as well
5541             selected->GetEditorClass()->
5542                 SetControlStringValue( selected,
5543                                        GetEditorControl(),
5544                                        selected->GetDisplayedString() );
5545         }
5546
5547         OnValidationFailureReset(selected);
5548
5549         UnfocusEditor();
5550         return;
5551     }
5552
5553     // Except for TAB and ESC, handle child control events in child control
5554     if ( fromChild )
5555     {
5556         // Only propagate event if it had modifiers
5557         if ( !event.HasModifiers() )
5558         {
5559             event.StopPropagation();
5560         }
5561         event.Skip();
5562         return;
5563     }
5564
5565     bool wasHandled = false;
5566
5567     if ( selected )
5568     {
5569         // Show dialog?
5570         if ( ButtonTriggerKeyTest(action, event) )
5571             return;
5572
5573         wxPGProperty* p = selected;
5574
5575         // Travel and expand/collapse
5576         int selectDir = -2;
5577
5578         if ( p->GetChildCount() )
5579         {
5580             if ( action == wxPG_ACTION_COLLAPSE_PROPERTY || secondAction == wxPG_ACTION_COLLAPSE_PROPERTY )
5581             {
5582                 if ( (m_windowStyle & wxPG_HIDE_MARGIN) || Collapse(p) )
5583                     wasHandled = true;
5584             }
5585             else if ( action == wxPG_ACTION_EXPAND_PROPERTY || secondAction == wxPG_ACTION_EXPAND_PROPERTY )
5586             {
5587                 if ( (m_windowStyle & wxPG_HIDE_MARGIN) || Expand(p) )
5588                     wasHandled = true;
5589             }
5590         }
5591
5592         if ( !wasHandled )
5593         {
5594             if ( action == wxPG_ACTION_PREV_PROPERTY || secondAction == wxPG_ACTION_PREV_PROPERTY )
5595             {
5596                 selectDir = -1;
5597             }
5598             else if ( action == wxPG_ACTION_NEXT_PROPERTY || secondAction == wxPG_ACTION_NEXT_PROPERTY )
5599             {
5600                 selectDir = 1;
5601             }
5602         }
5603
5604         if ( selectDir >= -1 )
5605         {
5606             p = wxPropertyGridIterator::OneStep( m_pState, wxPG_ITERATE_VISIBLE, p, selectDir );
5607             if ( p )
5608                 DoSelectProperty(p);
5609             wasHandled = true;
5610         }
5611     }
5612     else
5613     {
5614         // If nothing was selected, select the first item now
5615         // (or navigate out of tab).
5616         if ( action != wxPG_ACTION_CANCEL_EDIT && secondAction != wxPG_ACTION_CANCEL_EDIT )
5617         {
5618             wxPGProperty* p = wxPropertyGridInterface::GetFirst();
5619             if ( p ) DoSelectProperty(p);
5620             wasHandled = true;
5621         }
5622     }
5623
5624     if ( !wasHandled )
5625         event.Skip();
5626 }
5627
5628 // -----------------------------------------------------------------------
5629
5630 void wxPropertyGrid::OnKey( wxKeyEvent &event )
5631 {
5632     // If there was editor open and focused, then this event should not
5633     // really be processed here.
5634     if ( IsEditorFocused() )
5635     {
5636         // However, if event had modifiers, it is probably still best
5637         // to skip it.
5638         if ( event.HasModifiers() )
5639             event.Skip();
5640         else
5641             event.StopPropagation();
5642         return;
5643     }
5644
5645     HandleKeyEvent(event, false);
5646 }
5647
5648 // -----------------------------------------------------------------------
5649
5650 bool wxPropertyGrid::ButtonTriggerKeyTest( int action, wxKeyEvent& event )
5651 {
5652     if ( action == -1 )
5653     {
5654         int secondAction;
5655         action = KeyEventToActions(event, &secondAction);
5656     }
5657
5658     // Does the keycode trigger button?
5659     if ( action == wxPG_ACTION_PRESS_BUTTON &&
5660          m_wndEditor2 )
5661     {
5662         wxCommandEvent evt(wxEVT_COMMAND_BUTTON_CLICKED, m_wndEditor2->GetId());
5663         GetEventHandler()->AddPendingEvent(evt);
5664         return true;
5665     }
5666
5667     return false;
5668 }
5669
5670 // -----------------------------------------------------------------------
5671
5672 void wxPropertyGrid::OnChildKeyDown( wxKeyEvent &event )
5673 {
5674     HandleKeyEvent(event, true);
5675 }
5676
5677 // -----------------------------------------------------------------------
5678 // wxPropertyGrid miscellaneous event handling
5679 // -----------------------------------------------------------------------
5680
5681 void wxPropertyGrid::OnIdle( wxIdleEvent& WXUNUSED(event) )
5682 {
5683     //
5684     // Check if the focus is in this control or one of its children
5685     wxWindow* newFocused = wxWindow::FindFocus();
5686
5687     if ( newFocused != m_curFocused )
5688         HandleFocusChange( newFocused );
5689
5690     //
5691     // Check if top-level parent has changed
5692     if ( GetExtraStyle() & wxPG_EX_ENABLE_TLP_TRACKING )
5693     {
5694         wxWindow* tlp = ::wxGetTopLevelParent(this);
5695         if ( tlp != m_tlp )
5696             OnTLPChanging(tlp);
5697     }
5698
5699     //
5700     // Resolve pending property removals
5701     if ( m_deletedProperties.size() > 0 )
5702     {
5703         wxArrayPGProperty& arr = m_deletedProperties;
5704         for ( unsigned int i=0; i<arr.size(); i++ )
5705         {
5706             DeleteProperty(arr[i]);
5707         }
5708         arr.clear();
5709     }
5710     if ( m_removedProperties.size() > 0 )
5711     {
5712         wxArrayPGProperty& arr = m_removedProperties;
5713         for ( unsigned int i=0; i<arr.size(); i++ )
5714         {
5715             RemoveProperty(arr[i]);
5716         }
5717         arr.clear();
5718     }
5719 }
5720
5721 bool wxPropertyGrid::IsEditorFocused() const
5722 {
5723     wxWindow* focus = wxWindow::FindFocus();
5724
5725     if ( focus == m_wndEditor || focus == m_wndEditor2 ||
5726          focus == GetEditorControl() )
5727          return true;
5728
5729     return false;
5730 }
5731
5732 // Called by focus event handlers. newFocused is the window that becomes focused.
5733 void wxPropertyGrid::HandleFocusChange( wxWindow* newFocused )
5734 {
5735     unsigned int oldFlags = m_iFlags;
5736     bool wasEditorFocused = false;
5737     wxWindow* wndEditor = m_wndEditor;
5738
5739     m_iFlags &= ~(wxPG_FL_FOCUSED);
5740
5741     wxWindow* parent = newFocused;
5742
5743     // This must be one of nextFocus' parents.
5744     while ( parent )
5745     {
5746         if ( parent == wndEditor )
5747         {
5748             wasEditorFocused = true;
5749         }
5750         // Use m_eventObject, which is either wxPropertyGrid or
5751         // wxPropertyGridManager, as appropriate.
5752         else if ( parent == m_eventObject )
5753         {
5754             m_iFlags |= wxPG_FL_FOCUSED;
5755             break;
5756         }
5757         parent = parent->GetParent();
5758     }
5759
5760     // Notify editor control when it receives a focus
5761     if ( wasEditorFocused && m_curFocused != newFocused )
5762     {
5763         wxPGProperty* p = GetSelection();
5764         if ( p )
5765         {
5766             const wxPGEditor* editor = p->GetEditorClass();
5767             ResetEditorAppearance();
5768             editor->OnFocus(p, GetEditorControl());
5769         }
5770     }
5771
5772     m_curFocused = newFocused;
5773
5774     if ( (m_iFlags & wxPG_FL_FOCUSED) !=
5775          (oldFlags & wxPG_FL_FOCUSED) )
5776     {
5777         if ( !(m_iFlags & wxPG_FL_FOCUSED) )
5778         {
5779             // Need to store changed value
5780             CommitChangesFromEditor();
5781         }
5782         else
5783         {
5784             /*
5785             //
5786             // Preliminary code for tab-order respecting
5787             // tab-traversal (but should be moved to
5788             // OnNav handler)
5789             //
5790             wxWindow* prevFocus = event.GetWindow();
5791             wxWindow* useThis = this;
5792             if ( m_iFlags & wxPG_FL_IN_MANAGER )
5793                 useThis = GetParent();
5794
5795             if ( prevFocus &&
5796                  prevFocus->GetParent() == useThis->GetParent() )
5797             {
5798                 wxList& children = useThis->GetParent()->GetChildren();
5799
5800                 wxNode* node = children.Find(prevFocus);
5801
5802                 if ( node->GetNext() &&
5803                      useThis == node->GetNext()->GetData() )
5804                     DoSelectProperty(GetFirst());
5805                 else if ( node->GetPrevious () &&
5806                           useThis == node->GetPrevious()->GetData() )
5807                     DoSelectProperty(GetLastProperty());
5808
5809             }
5810             */
5811         }
5812
5813         // Redraw selected
5814         wxPGProperty* selected = GetSelection();
5815         if ( selected && (m_iFlags & wxPG_FL_INITIALIZED) )
5816             DrawItem( selected );
5817     }
5818 }
5819
5820 void wxPropertyGrid::OnFocusEvent( wxFocusEvent& event )
5821 {
5822     if ( event.GetEventType() == wxEVT_SET_FOCUS )
5823         HandleFocusChange((wxWindow*)event.GetEventObject());
5824     // Line changed to "else" when applying wxPropertyGrid patch #1675902
5825     //else if ( event.GetWindow() )
5826     else
5827         HandleFocusChange(event.GetWindow());
5828
5829     event.Skip();
5830 }
5831
5832 // -----------------------------------------------------------------------
5833
5834 void wxPropertyGrid::OnChildFocusEvent( wxChildFocusEvent& event )
5835 {
5836     HandleFocusChange((wxWindow*)event.GetEventObject());
5837     event.Skip();
5838 }
5839
5840 // -----------------------------------------------------------------------
5841
5842 void wxPropertyGrid::OnScrollEvent( wxScrollWinEvent &event )
5843 {
5844     m_iFlags |= wxPG_FL_SCROLLED;
5845
5846     event.Skip();
5847 }
5848
5849 // -----------------------------------------------------------------------
5850
5851 void wxPropertyGrid::OnCaptureChange( wxMouseCaptureChangedEvent& WXUNUSED(event) )
5852 {
5853     if ( m_iFlags & wxPG_FL_MOUSE_CAPTURED )
5854     {
5855         m_iFlags &= ~(wxPG_FL_MOUSE_CAPTURED);
5856     }
5857 }
5858
5859 // -----------------------------------------------------------------------
5860 // Property editor related functions
5861 // -----------------------------------------------------------------------
5862
5863 // noDefCheck = true prevents infinite recursion.
5864 wxPGEditor* wxPropertyGrid::DoRegisterEditorClass( wxPGEditor* editorClass,
5865                                                    const wxString& editorName,
5866                                                    bool noDefCheck )
5867 {
5868     wxASSERT( editorClass );
5869
5870     if ( !noDefCheck && wxPGGlobalVars->m_mapEditorClasses.empty() )
5871         RegisterDefaultEditors();
5872
5873     wxString name = editorName;
5874     if ( name.length() == 0 )
5875         name = editorClass->GetName();
5876
5877     // Existing editor under this name?
5878     wxPGHashMapS2P::iterator vt_it = wxPGGlobalVars->m_mapEditorClasses.find(name);
5879
5880     if ( vt_it != wxPGGlobalVars->m_mapEditorClasses.end() )
5881     {
5882         // If this name was already used, try class name.
5883         name = editorClass->GetClassInfo()->GetClassName();
5884         vt_it = wxPGGlobalVars->m_mapEditorClasses.find(name);
5885     }
5886
5887     wxCHECK_MSG( vt_it == wxPGGlobalVars->m_mapEditorClasses.end(),
5888                  (wxPGEditor*) vt_it->second,
5889                  "Editor with given name was already registered" );
5890
5891     wxPGGlobalVars->m_mapEditorClasses[name] = (void*)editorClass;
5892
5893     return editorClass;
5894 }
5895
5896 // Use this in RegisterDefaultEditors.
5897 #define wxPGRegisterDefaultEditorClass(EDITOR) \
5898     if ( wxPGEditor_##EDITOR == NULL ) \
5899     { \
5900         wxPGEditor_##EDITOR = wxPropertyGrid::RegisterEditorClass( \
5901             new wxPG##EDITOR##Editor, true ); \
5902     }
5903
5904 // Registers all default editor classes
5905 void wxPropertyGrid::RegisterDefaultEditors()
5906 {
5907     wxPGRegisterDefaultEditorClass( TextCtrl );
5908     wxPGRegisterDefaultEditorClass( Choice );
5909     wxPGRegisterDefaultEditorClass( ComboBox );
5910     wxPGRegisterDefaultEditorClass( TextCtrlAndButton );
5911 #if wxPG_INCLUDE_CHECKBOX
5912     wxPGRegisterDefaultEditorClass( CheckBox );
5913 #endif
5914     wxPGRegisterDefaultEditorClass( ChoiceAndButton );
5915
5916     // Register SpinCtrl etc. editors before use
5917     RegisterAdditionalEditors();
5918 }
5919
5920 // -----------------------------------------------------------------------
5921 // wxPGStringTokenizer
5922 //   Needed to handle C-style string lists (e.g. "str1" "str2")
5923 // -----------------------------------------------------------------------
5924
5925 wxPGStringTokenizer::wxPGStringTokenizer( const wxString& str, wxChar delimeter )
5926     : m_str(&str), m_curPos(str.begin()), m_delimeter(delimeter)
5927 {
5928 }
5929
5930 wxPGStringTokenizer::~wxPGStringTokenizer()
5931 {
5932 }
5933
5934 bool wxPGStringTokenizer::HasMoreTokens()
5935 {
5936     const wxString& str = *m_str;
5937
5938     wxString::const_iterator i = m_curPos;
5939
5940     wxUniChar delim = m_delimeter;
5941     wxUniChar a;
5942     wxUniChar prev_a = wxT('\0');
5943
5944     bool inToken = false;
5945
5946     while ( i != str.end() )
5947     {
5948         a = *i;
5949
5950         if ( !inToken )
5951         {
5952             if ( a == delim )
5953             {
5954                 inToken = true;
5955                 m_readyToken.clear();
5956             }
5957         }
5958         else
5959         {
5960             if ( prev_a != wxT('\\') )
5961             {
5962                 if ( a != delim )
5963                 {
5964                     if ( a != wxT('\\') )
5965                         m_readyToken << a;
5966                 }
5967                 else
5968                 {
5969                     ++i;
5970                     m_curPos = i;
5971                     return true;
5972                 }
5973                 prev_a = a;
5974             }
5975             else
5976             {
5977                 m_readyToken << a;
5978                 prev_a = wxT('\0');
5979             }
5980         }
5981         ++i;
5982     }
5983
5984     m_curPos = str.end();
5985
5986     if ( inToken )
5987         return true;
5988
5989     return false;
5990 }
5991
5992 wxString wxPGStringTokenizer::GetNextToken()
5993 {
5994     return m_readyToken;
5995 }
5996
5997 // -----------------------------------------------------------------------
5998 // wxPGChoiceEntry
5999 // -----------------------------------------------------------------------
6000
6001 wxPGChoiceEntry::wxPGChoiceEntry()
6002     : wxPGCell(), m_value(wxPG_INVALID_VALUE)
6003 {
6004 }
6005
6006 // -----------------------------------------------------------------------
6007 // wxPGChoicesData
6008 // -----------------------------------------------------------------------
6009
6010 wxPGChoicesData::wxPGChoicesData()
6011 {
6012 }
6013
6014 wxPGChoicesData::~wxPGChoicesData()
6015 {
6016     Clear();
6017 }
6018
6019 void wxPGChoicesData::Clear()
6020 {
6021     m_items.clear();
6022 }
6023
6024 void wxPGChoicesData::CopyDataFrom( wxPGChoicesData* data )
6025 {
6026     wxASSERT( m_items.size() == 0 );
6027
6028     m_items = data->m_items;
6029 }
6030
6031 wxPGChoiceEntry& wxPGChoicesData::Insert( int index,
6032                                           const wxPGChoiceEntry& item )
6033 {
6034     wxVector<wxPGChoiceEntry>::iterator it;
6035     if ( index == -1 )
6036     {
6037         it = m_items.end();
6038         index = (int) m_items.size();
6039     }
6040     else
6041     {
6042         it = m_items.begin() + index;
6043     }
6044
6045     m_items.insert(it, item);
6046
6047     wxPGChoiceEntry& ownEntry = m_items[index];
6048
6049     // Need to fix value?
6050     if ( ownEntry.GetValue() == wxPG_INVALID_VALUE )
6051         ownEntry.SetValue(index);
6052
6053     return ownEntry;
6054 }
6055
6056 // -----------------------------------------------------------------------
6057 // wxPropertyGridEvent
6058 // -----------------------------------------------------------------------
6059
6060 IMPLEMENT_DYNAMIC_CLASS(wxPropertyGridEvent, wxCommandEvent)
6061
6062
6063 wxDEFINE_EVENT( wxEVT_PG_SELECTED, wxPropertyGridEvent );
6064 wxDEFINE_EVENT( wxEVT_PG_CHANGING, wxPropertyGridEvent );
6065 wxDEFINE_EVENT( wxEVT_PG_CHANGED, wxPropertyGridEvent );
6066 wxDEFINE_EVENT( wxEVT_PG_HIGHLIGHTED, wxPropertyGridEvent );
6067 wxDEFINE_EVENT( wxEVT_PG_RIGHT_CLICK, wxPropertyGridEvent );
6068 wxDEFINE_EVENT( wxEVT_PG_PAGE_CHANGED, wxPropertyGridEvent );
6069 wxDEFINE_EVENT( wxEVT_PG_ITEM_EXPANDED, wxPropertyGridEvent );
6070 wxDEFINE_EVENT( wxEVT_PG_ITEM_COLLAPSED, wxPropertyGridEvent );
6071 wxDEFINE_EVENT( wxEVT_PG_DOUBLE_CLICK, wxPropertyGridEvent );
6072 wxDEFINE_EVENT( wxEVT_PG_LABEL_EDIT_BEGIN, wxPropertyGridEvent );
6073 wxDEFINE_EVENT( wxEVT_PG_LABEL_EDIT_ENDING, wxPropertyGridEvent );
6074 wxDEFINE_EVENT( wxEVT_PG_COL_BEGIN_DRAG, wxPropertyGridEvent );
6075 wxDEFINE_EVENT( wxEVT_PG_COL_DRAGGING, wxPropertyGridEvent );
6076 wxDEFINE_EVENT( wxEVT_PG_COL_END_DRAG, wxPropertyGridEvent );
6077
6078 // -----------------------------------------------------------------------
6079
6080 void wxPropertyGridEvent::Init()
6081 {
6082     m_validationInfo = NULL;
6083     m_column = 1;
6084     m_canVeto = false;
6085     m_wasVetoed = false;
6086 }
6087
6088 // -----------------------------------------------------------------------
6089
6090 wxPropertyGridEvent::wxPropertyGridEvent(wxEventType commandType, int id)
6091     : wxCommandEvent(commandType,id)
6092 {
6093     m_property = NULL;
6094     Init();
6095 }
6096
6097 // -----------------------------------------------------------------------
6098
6099 wxPropertyGridEvent::wxPropertyGridEvent(const wxPropertyGridEvent& event)
6100     : wxCommandEvent(event)
6101 {
6102     m_eventType = event.GetEventType();
6103     m_eventObject = event.m_eventObject;
6104     m_pg = event.m_pg;
6105     OnPropertyGridSet();
6106     m_property = event.m_property;
6107     m_validationInfo = event.m_validationInfo;
6108     m_canVeto = event.m_canVeto;
6109     m_wasVetoed = event.m_wasVetoed;
6110 }
6111
6112 // -----------------------------------------------------------------------
6113
6114 void wxPropertyGridEvent::OnPropertyGridSet()
6115 {
6116     if ( !m_pg )
6117         return;
6118
6119 #if wxUSE_THREADS
6120     wxCriticalSectionLocker(wxPGGlobalVars->m_critSect);
6121 #endif
6122     m_pg->m_liveEvents.push_back(this);
6123 }
6124
6125 // -----------------------------------------------------------------------
6126
6127 wxPropertyGridEvent::~wxPropertyGridEvent()
6128 {
6129     if ( m_pg )
6130     {
6131     #if wxUSE_THREADS
6132         wxCriticalSectionLocker(wxPGGlobalVars->m_critSect);
6133     #endif
6134
6135         // Use iterate from the back since it is more likely that the event
6136         // being desroyed is at the end of the array.
6137         wxVector<wxPropertyGridEvent*>& liveEvents = m_pg->m_liveEvents;
6138
6139         for ( int i = liveEvents.size()-1; i >= 0; i-- )
6140         {
6141             if ( liveEvents[i] == this )
6142             {
6143                 liveEvents.erase(liveEvents.begin() + i);
6144                 break;
6145             }
6146         }
6147     }
6148 }
6149
6150 // -----------------------------------------------------------------------
6151
6152 wxEvent* wxPropertyGridEvent::Clone() const
6153 {
6154     return new wxPropertyGridEvent( *this );
6155 }
6156
6157 // -----------------------------------------------------------------------
6158 // wxPropertyGridPopulator
6159 // -----------------------------------------------------------------------
6160
6161 wxPropertyGridPopulator::wxPropertyGridPopulator()
6162 {
6163     m_state = NULL;
6164     m_pg = NULL;
6165     wxPGGlobalVars->m_offline++;
6166 }
6167
6168 // -----------------------------------------------------------------------
6169
6170 void wxPropertyGridPopulator::SetState( wxPropertyGridPageState* state )
6171 {
6172     m_state = state;
6173     m_propHierarchy.clear();
6174 }
6175
6176 // -----------------------------------------------------------------------
6177
6178 void wxPropertyGridPopulator::SetGrid( wxPropertyGrid* pg )
6179 {
6180     m_pg = pg;
6181     pg->Freeze();
6182 }
6183
6184 // -----------------------------------------------------------------------
6185
6186 wxPropertyGridPopulator::~wxPropertyGridPopulator()
6187 {
6188     //
6189     // Free unused sets of choices
6190     wxPGHashMapS2P::iterator it;
6191
6192     for( it = m_dictIdChoices.begin(); it != m_dictIdChoices.end(); ++it )
6193     {
6194         wxPGChoicesData* data = (wxPGChoicesData*) it->second;
6195         data->DecRef();
6196     }
6197
6198     if ( m_pg )
6199     {
6200         m_pg->Thaw();
6201         m_pg->GetPanel()->Refresh();
6202     }
6203     wxPGGlobalVars->m_offline--;
6204 }
6205
6206 // -----------------------------------------------------------------------
6207
6208 wxPGProperty* wxPropertyGridPopulator::Add( const wxString& propClass,
6209                                             const wxString& propLabel,
6210                                             const wxString& propName,
6211                                             const wxString* propValue,
6212                                             wxPGChoices* pChoices )
6213 {
6214     wxClassInfo* classInfo = wxClassInfo::FindClass(propClass);
6215     wxPGProperty* parent = GetCurParent();
6216
6217     if ( parent->HasFlag(wxPG_PROP_AGGREGATE) )
6218     {
6219         ProcessError(wxString::Format(wxT("new children cannot be added to '%s'"),parent->GetName().c_str()));
6220         return NULL;
6221     }
6222
6223     if ( !classInfo || !classInfo->IsKindOf(CLASSINFO(wxPGProperty)) )
6224     {
6225         ProcessError(wxString::Format(wxT("'%s' is not valid property class"),propClass.c_str()));
6226         return NULL;
6227     }
6228
6229     wxPGProperty* property = (wxPGProperty*) classInfo->CreateObject();
6230
6231     property->SetLabel(propLabel);
6232     property->DoSetName(propName);
6233
6234     if ( pChoices && pChoices->IsOk() )
6235         property->SetChoices(*pChoices);
6236
6237     m_state->DoInsert(parent, -1, property);
6238
6239     if ( propValue )
6240         property->SetValueFromString( *propValue, wxPG_FULL_VALUE|
6241                                                   wxPG_PROGRAMMATIC_VALUE );
6242
6243     return property;
6244 }
6245
6246 // -----------------------------------------------------------------------
6247
6248 void wxPropertyGridPopulator::AddChildren( wxPGProperty* property )
6249 {
6250     m_propHierarchy.push_back(property);
6251     DoScanForChildren();
6252     m_propHierarchy.pop_back();
6253 }
6254
6255 // -----------------------------------------------------------------------
6256
6257 wxPGChoices wxPropertyGridPopulator::ParseChoices( const wxString& choicesString,
6258                                                    const wxString& idString )
6259 {
6260     wxPGChoices choices;
6261
6262     // Using id?
6263     if ( choicesString[0] == wxT('@') )
6264     {
6265         wxString ids = choicesString.substr(1);
6266         wxPGHashMapS2P::iterator it = m_dictIdChoices.find(ids);
6267         if ( it == m_dictIdChoices.end() )
6268             ProcessError(wxString::Format(wxT("No choices defined for id '%s'"),ids.c_str()));
6269         else
6270             choices.AssignData((wxPGChoicesData*)it->second);
6271     }
6272     else
6273     {
6274         bool found = false;
6275         if ( idString.length() )
6276         {
6277             wxPGHashMapS2P::iterator it = m_dictIdChoices.find(idString);
6278             if ( it != m_dictIdChoices.end() )
6279             {
6280                 choices.AssignData((wxPGChoicesData*)it->second);
6281                 found = true;
6282             }
6283         }
6284
6285         if ( !found )
6286         {
6287             // Parse choices string
6288             wxString::const_iterator it = choicesString.begin();
6289             wxString label;
6290             wxString value;
6291             int state = 0;
6292             bool labelValid = false;
6293
6294             for ( ; it != choicesString.end(); ++it )
6295             {
6296                 wxChar c = *it;
6297
6298                 if ( state != 1 )
6299                 {
6300                     if ( c == wxT('"') )
6301                     {
6302                         if ( labelValid )
6303                         {
6304                             long l;
6305                             if ( !value.ToLong(&l, 0) ) l = wxPG_INVALID_VALUE;
6306                             choices.Add(label, l);
6307                         }
6308                         labelValid = false;
6309                         //wxLogDebug(wxT("%s, %s"),label.c_str(),value.c_str());
6310                         value.clear();
6311                         label.clear();
6312                         state = 1;
6313                     }
6314                     else if ( c == wxT('=') )
6315                     {
6316                         if ( labelValid )
6317                         {
6318                             state = 2;
6319                         }
6320                     }
6321                     else if ( state == 2 && (wxIsalnum(c) || c == wxT('x')) )
6322                     {
6323                         value << c;
6324                     }
6325                 }
6326                 else
6327                 {
6328                     if ( c == wxT('"') )
6329                     {
6330                         state = 0;
6331                         labelValid = true;
6332                     }
6333                     else
6334                         label << c;
6335                 }
6336             }
6337
6338             if ( labelValid )
6339             {
6340                 long l;
6341                 if ( !value.ToLong(&l, 0) ) l = wxPG_INVALID_VALUE;
6342                 choices.Add(label, l);
6343             }
6344
6345             if ( !choices.IsOk() )
6346             {
6347                 choices.EnsureData();
6348             }
6349
6350             // Assign to id
6351             if ( idString.length() )
6352                 m_dictIdChoices[idString] = choices.GetData();
6353         }
6354     }
6355
6356     return choices;
6357 }
6358
6359 // -----------------------------------------------------------------------
6360
6361 bool wxPropertyGridPopulator::ToLongPCT( const wxString& s, long* pval, long max )
6362 {
6363     if ( s.Last() == wxT('%') )
6364     {
6365         wxString s2 = s.substr(0,s.length()-1);
6366         long val;
6367         if ( s2.ToLong(&val, 10) )
6368         {
6369             *pval = (val*max)/100;
6370             return true;
6371         }
6372         return false;
6373     }
6374
6375     return s.ToLong(pval, 10);
6376 }
6377
6378 // -----------------------------------------------------------------------
6379
6380 bool wxPropertyGridPopulator::AddAttribute( const wxString& name,
6381                                             const wxString& type,
6382                                             const wxString& value )
6383 {
6384     int l = m_propHierarchy.size();
6385     if ( !l )
6386         return false;
6387
6388     wxPGProperty* p = m_propHierarchy[l-1];
6389     wxString valuel = value.Lower();
6390     wxVariant variant;
6391
6392     if ( type.length() == 0 )
6393     {
6394         long v;
6395
6396         // Auto-detect type
6397         if ( valuel == wxT("true") || valuel == wxT("yes") || valuel == wxT("1") )
6398             variant = true;
6399         else if ( valuel == wxT("false") || valuel == wxT("no") || valuel == wxT("0") )
6400             variant = false;
6401         else if ( value.ToLong(&v, 0) )
6402             variant = v;
6403         else
6404             variant = value;
6405     }
6406     else
6407     {
6408         if ( type == wxT("string") )
6409         {
6410             variant = value;
6411         }
6412         else if ( type == wxT("int") )
6413         {
6414             long v = 0;
6415             value.ToLong(&v, 0);
6416             variant = v;
6417         }
6418         else if ( type == wxT("bool") )
6419         {
6420             if ( valuel == wxT("true") || valuel == wxT("yes") || valuel == wxT("1") )
6421                 variant = true;
6422             else
6423                 variant = false;
6424         }
6425         else
6426         {
6427             ProcessError(wxString::Format(wxT("Invalid attribute type '%s'"),type.c_str()));
6428             return false;
6429         }
6430     }
6431
6432     p->SetAttribute( name, variant );
6433
6434     return true;
6435 }
6436
6437 // -----------------------------------------------------------------------
6438
6439 void wxPropertyGridPopulator::ProcessError( const wxString& msg )
6440 {
6441     wxLogError(_("Error in resource: %s"),msg.c_str());
6442 }
6443
6444 // -----------------------------------------------------------------------
6445
6446 #endif  // wxUSE_PROPGRID