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