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