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