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