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 #include "wx/clipbrd.h"
  67 #include "wx/dataobj.h"
  68
  69 #ifdef __WXMSW__
  70     #include "wx/msw/private.h"
  71 #endif
  72
  73 // Two pics for the expand / collapse buttons.
  74 // Files are not supplied with this project (since it is
  75 // recommended to use either custom or native rendering).
  76 // If you want them, get wxTreeMultiCtrl by Jorgen Bodde,
  77 // and copy xpm files from archive to wxPropertyGrid src directory
  78 // (and also comment/undef wxPG_ICON_WIDTH in propGrid.h
  79 // and set wxPG_USE_RENDERER_NATIVE to 0).
  80 #ifndef wxPG_ICON_WIDTH
  81   #if defined(__WXMAC__)
  82     #include "mac_collapse.xpm"
  83     #include "mac_expand.xpm"
  84   #elif defined(__WXGTK__)
  85     #include "linux_collapse.xpm"
  86     #include "linux_expand.xpm"
  87   #else
  88     #include "default_collapse.xpm"
  89     #include "default_expand.xpm"
  90   #endif
  91 #endif
  92
  93
  94 //#define wxPG_TEXT_INDENT                4 // For the wxComboControl
  95 //#define wxPG_ALLOW_CLIPPING             1 // If 1, GetUpdateRegion() in OnPaint event handler is not ignored
  96 #define wxPG_GUTTER_DIV                 3 // gutter is max(iconwidth/gutter_div,gutter_min)
  97 #define wxPG_GUTTER_MIN                 3 // gutter before and after image of [+] or [-]
  98 #define wxPG_YSPACING_MIN               1
  99 #define wxPG_DEFAULT_VSPACING           2 // This matches .NET propertygrid's value,
 100                                           // but causes normal combobox to spill out under MSW
 101
 102 //#define wxPG_OPTIMAL_WIDTH              200 // Arbitrary
 103
 104 //#define wxPG_MIN_SCROLLBAR_WIDTH        10 // Smallest scrollbar width on any platform
 105                                            // Must be larger than largest control border
 106                                            // width * 2.
 107
 108
 109 #define wxPG_DEFAULT_CURSOR             wxNullCursor
 110
 111
 112 //#define wxPG_NAT_CHOICE_BORDER_ANY   0
 113
 114 //#define wxPG_HIDER_BUTTON_HEIGHT        25
 115
 116 #define wxPG_PIXELS_PER_UNIT            m_lineHeight
 117
 118 #ifdef wxPG_ICON_WIDTH
 119   #define m_iconHeight m_iconWidth
 120 #endif
 121
 122 //#define wxPG_TOOLTIP_DELAY              1000
 123
 124 // -----------------------------------------------------------------------
 125
 126 #if wxUSE_INTL
 127 void wxPropertyGrid::AutoGetTranslation ( bool enable )
 128 {
 129     wxPGGlobalVars->m_autoGetTranslation = enable;
 130 }
 131 #else
 132 void wxPropertyGrid::AutoGetTranslation ( bool ) { }
 133 #endif
 134
 135 // -----------------------------------------------------------------------
 136
 137 const char wxPropertyGridNameStr[] = "wxPropertyGrid";
 138
 139 // -----------------------------------------------------------------------
 140 // Statics in one class for easy destruction.
 141 // -----------------------------------------------------------------------
 142
 143 #include "wx/module.h"
 144
 145 class wxPGGlobalVarsClassManager : public wxModule
 146 {
 147     DECLARE_DYNAMIC_CLASS(wxPGGlobalVarsClassManager)
 148 public:
 149     wxPGGlobalVarsClassManager() {}
 150     virtual bool OnInit() { wxPGGlobalVars = new wxPGGlobalVarsClass(); return true; }
 151     virtual void OnExit() { delete wxPGGlobalVars; wxPGGlobalVars = NULL; }
 152 };
 153
 154 IMPLEMENT_DYNAMIC_CLASS(wxPGGlobalVarsClassManager, wxModule)
 155
 156
 157 wxPGGlobalVarsClass* wxPGGlobalVars = NULL;
 158
 159
 160 wxPGGlobalVarsClass::wxPGGlobalVarsClass()
 161 {
 162     wxPGProperty::sm_wxPG_LABEL = new wxString(wxPG_LABEL_STRING);
 163
 164     m_boolChoices.Add(_("False"));
 165     m_boolChoices.Add(_("True"));
 166
 167     m_fontFamilyChoices = NULL;
 168
 169     m_defaultRenderer = new wxPGDefaultRenderer();
 170
 171     m_autoGetTranslation = false;
 172
 173     m_offline = 0;
 174
 175     m_extraStyle = 0;
 176
 177     wxVariant v;
 178
 179     // Prepare some shared variants
 180     m_vEmptyString = wxString();
 181     m_vZero = (long) 0;
 182     m_vMinusOne = (long) -1;
 183     m_vTrue = true;
 184     m_vFalse = false;
 185
 186     // Prepare cached string constants
 187     m_strstring = wxS("string");
 188     m_strlong = wxS("long");
 189     m_strbool = wxS("bool");
 190     m_strlist = wxS("list");
 191     m_strMin = wxS("Min");
 192     m_strMax = wxS("Max");
 193     m_strUnits = wxS("Units");
 194     m_strInlineHelp = wxS("InlineHelp");
 195
 196     m_warnings = 0;
 197 }
 198
 199
 200 wxPGGlobalVarsClass::~wxPGGlobalVarsClass()
 201 {
 202     size_t i;
 203
 204     delete m_defaultRenderer;
 205
 206     // This will always have one ref
 207     delete m_fontFamilyChoices;
 208
 209 #if wxUSE_VALIDATORS
 210     for ( i=0; i<m_arrValidators.size(); i++ )
 211         delete ((wxValidator*)m_arrValidators[i]);
 212 #endif
 213
 214     //
 215     // Destroy value type class instances.
 216     wxPGHashMapS2P::iterator vt_it;
 217
 218     // Destroy editor class instances.
 219     // iterate over all the elements in the class
 220     for( vt_it = m_mapEditorClasses.begin(); vt_it != m_mapEditorClasses.end(); ++vt_it )
 221     {
 222         delete ((wxPGEditor*)vt_it->second);
 223     }
 224
 225     delete wxPGProperty::sm_wxPG_LABEL;
 226 }
 227
 228 void wxPropertyGridInitGlobalsIfNeeded()
 229 {
 230 }
 231
 232 // -----------------------------------------------------------------------
 233 // wxPGTLWHandler
 234 //   Intercepts Close-events sent to wxPropertyGrid's top-level parent,
 235 //   and tries to commit property value.
 236 // -----------------------------------------------------------------------
 237
 238 class wxPGTLWHandler : public wxEvtHandler
 239 {
 240 public:
 241
 242     wxPGTLWHandler( wxPropertyGrid* pg )
 243         : wxEvtHandler()
 244     {
 245         m_pg = pg;
 246     }
 247
 248 protected:
 249
 250     void OnClose( wxCloseEvent& event )
 251     {
 252         // ClearSelection forces value validation/commit.
 253         if ( event.CanVeto() && !m_pg->ClearSelection() )
 254         {
 255             event.Veto();
 256             return;
 257         }
 258
 259         event.Skip();
 260     }
 261
 262 private:
 263     wxPropertyGrid*     m_pg;
 264
 265     DECLARE_EVENT_TABLE()
 266 };
 267
 268 BEGIN_EVENT_TABLE(wxPGTLWHandler, wxEvtHandler)
 269     EVT_CLOSE(wxPGTLWHandler::OnClose)
 270 END_EVENT_TABLE()
 271
 272 // -----------------------------------------------------------------------
 273 // wxPGCanvas
 274 // -----------------------------------------------------------------------
 275
 276 //
 277 // wxPGCanvas acts as a graphics sub-window of the
 278 // wxScrolledWindow that wxPropertyGrid is.
 279 //
 280 class wxPGCanvas : public wxPanel
 281 {
 282 public:
 283     wxPGCanvas() : wxPanel()
 284     {
 285     }
 286     virtual ~wxPGCanvas() { }
 287
 288 protected:
 289     void OnMouseMove( wxMouseEvent &event )
 290     {
 291         wxPropertyGrid* pg = wxStaticCast(GetParent(), wxPropertyGrid);
 292         pg->OnMouseMove( event );
 293     }
 294
 295     void OnMouseClick( wxMouseEvent &event )
 296     {
 297         wxPropertyGrid* pg = wxStaticCast(GetParent(), wxPropertyGrid);
 298         pg->OnMouseClick( event );
 299     }
 300
 301     void OnMouseUp( wxMouseEvent &event )
 302     {
 303         wxPropertyGrid* pg = wxStaticCast(GetParent(), wxPropertyGrid);
 304         pg->OnMouseUp( event );
 305     }
 306
 307     void OnMouseRightClick( wxMouseEvent &event )
 308     {
 309         wxPropertyGrid* pg = wxStaticCast(GetParent(), wxPropertyGrid);
 310         pg->OnMouseRightClick( event );
 311     }
 312
 313     void OnMouseDoubleClick( wxMouseEvent &event )
 314     {
 315         wxPropertyGrid* pg = wxStaticCast(GetParent(), wxPropertyGrid);
 316         pg->OnMouseDoubleClick( event );
 317     }
 318
 319     void OnKey( wxKeyEvent& event )
 320     {
 321         wxPropertyGrid* pg = wxStaticCast(GetParent(), wxPropertyGrid);
 322         pg->OnKey( event );
 323     }
 324
 325     void OnPaint( wxPaintEvent& event );
 326
 327     // Always be focussable, even with child windows
 328     virtual void SetCanFocus(bool WXUNUSED(canFocus))
 329     {  wxPanel::SetCanFocus(true); }
 330
 331
 332 private:
 333     DECLARE_EVENT_TABLE()
 334     DECLARE_ABSTRACT_CLASS(wxPGCanvas)
 335 };
 336
 337
 338 IMPLEMENT_ABSTRACT_CLASS(wxPGCanvas,wxPanel)
 339
 340 BEGIN_EVENT_TABLE(wxPGCanvas, wxPanel)
 341     EVT_MOTION(wxPGCanvas::OnMouseMove)
 342     EVT_PAINT(wxPGCanvas::OnPaint)
 343     EVT_LEFT_DOWN(wxPGCanvas::OnMouseClick)
 344     EVT_LEFT_UP(wxPGCanvas::OnMouseUp)
 345     EVT_RIGHT_UP(wxPGCanvas::OnMouseRightClick)
 346     EVT_LEFT_DCLICK(wxPGCanvas::OnMouseDoubleClick)
 347     EVT_KEY_DOWN(wxPGCanvas::OnKey)
 348 END_EVENT_TABLE()
 349
 350
 351 void wxPGCanvas::OnPaint( wxPaintEvent& WXUNUSED(event) )
 352 {
 353     wxPropertyGrid* pg = wxStaticCast(GetParent(), wxPropertyGrid);
 354     wxASSERT( pg->IsKindOf(CLASSINFO(wxPropertyGrid)) );
 355
 356     wxPaintDC dc(this);
 357
 358     // Don't paint after destruction has begun
 359     if ( !(pg->GetInternalFlags() & wxPG_FL_INITIALIZED) )
 360         return;
 361
 362     // Update everything inside the box
 363     wxRect r = GetUpdateRegion().GetBox();
 364
 365     // FIXME: This is just a workaround for a bug that causes splitters not
 366     //        to paint when other windows are being dragged over the grid.
 367     wxRect fullRect = GetRect();
 368     r.x = fullRect.x;
 369     r.width = fullRect.width;
 370
 371     // Repaint this rectangle
 372     pg->DrawItems( dc, r.y, r.y + r.height, &r );
 373
 374     // We assume that the size set when grid is shown
 375     // is what is desired.
 376     pg->SetInternalFlag(wxPG_FL_GOOD_SIZE_SET);
 377 }
 378
 379 // -----------------------------------------------------------------------
 380 // wxPropertyGrid
 381 // -----------------------------------------------------------------------
 382
 383 IMPLEMENT_DYNAMIC_CLASS(wxPropertyGrid, wxScrolledWindow)
 384
 385 BEGIN_EVENT_TABLE(wxPropertyGrid, wxScrolledWindow)
 386   EVT_IDLE(wxPropertyGrid::OnIdle)
 387   EVT_MOTION(wxPropertyGrid::OnMouseMoveBottom)
 388   EVT_PAINT(wxPropertyGrid::OnPaint)
 389   EVT_SIZE(wxPropertyGrid::OnResize)
 390   EVT_ENTER_WINDOW(wxPropertyGrid::OnMouseEntry)
 391   EVT_LEAVE_WINDOW(wxPropertyGrid::OnMouseEntry)
 392   EVT_MOUSE_CAPTURE_CHANGED(wxPropertyGrid::OnCaptureChange)
 393   EVT_SCROLLWIN(wxPropertyGrid::OnScrollEvent)
 394   EVT_CHILD_FOCUS(wxPropertyGrid::OnChildFocusEvent)
 395   EVT_SET_FOCUS(wxPropertyGrid::OnFocusEvent)
 396   EVT_KILL_FOCUS(wxPropertyGrid::OnFocusEvent)
 397   EVT_SYS_COLOUR_CHANGED(wxPropertyGrid::OnSysColourChanged)
 398 END_EVENT_TABLE()
 399
 400
 401 // -----------------------------------------------------------------------
 402
 403 wxPropertyGrid::wxPropertyGrid()
 404     : wxScrolledWindow()
 405 {
 406     Init1();
 407 }
 408
 409 // -----------------------------------------------------------------------
 410
 411 wxPropertyGrid::wxPropertyGrid( wxWindow *parent,
 412                                 wxWindowID id,
 413                                 const wxPoint& pos,
 414                                 const wxSize& size,
 415                                 long style,
 416                                 const wxString& name )
 417     : wxScrolledWindow()
 418 {
 419     Init1();
 420     Create(parent,id,pos,size,style,name);
 421 }
 422
 423 // -----------------------------------------------------------------------
 424
 425 bool wxPropertyGrid::Create( wxWindow *parent,
 426                              wxWindowID id,
 427                              const wxPoint& pos,
 428                              const wxSize& size,
 429                              long style,
 430                              const wxString& name )
 431 {
 432
 433     if ( !(style&wxBORDER_MASK) )
 434         style |= wxSIMPLE_BORDER;
 435
 436     style |= wxVSCROLL;
 437
 438     // Filter out wxTAB_TRAVERSAL - we will handle TABs manually
 439     style &= ~(wxTAB_TRAVERSAL);
 440     style |= wxWANTS_CHARS;
 441
 442     wxScrolledWindow::Create(parent,id,pos,size,style,name);
 443
 444     Init2();
 445
 446     return true;
 447 }
 448
 449 // -----------------------------------------------------------------------
 450
 451 //
 452 // Initialize values to defaults
 453 //
 454 void wxPropertyGrid::Init1()
 455 {
 456     // Register editor classes, if necessary.
 457     if ( wxPGGlobalVars->m_mapEditorClasses.empty() )
 458         wxPropertyGrid::RegisterDefaultEditors();
 459
 460     m_iFlags = 0;
 461     m_pState = NULL;
 462     m_wndEditor = m_wndEditor2 = NULL;
 463     m_selected = NULL;
 464     m_selColumn = -1;
 465     m_propHover = NULL;
 466     m_eventObject = this;
 467     m_curFocused = NULL;
 468     m_tlwHandler = NULL;
 469     m_sortFunction = NULL;
 470     m_inDoPropertyChanged = 0;
 471     m_inCommitChangesFromEditor = 0;
 472     m_inDoSelectProperty = 0;
 473     m_permanentValidationFailureBehavior = wxPG_VFB_DEFAULT;
 474     m_dragStatus = 0;
 475     m_mouseSide = 16;
 476     m_editorFocused = 0;
 477
 478     // Set default keys
 479     AddActionTrigger( wxPG_ACTION_NEXT_PROPERTY, WXK_RIGHT );
 480     AddActionTrigger( wxPG_ACTION_NEXT_PROPERTY, WXK_DOWN );
 481     AddActionTrigger( wxPG_ACTION_PREV_PROPERTY, WXK_LEFT );
 482     AddActionTrigger( wxPG_ACTION_PREV_PROPERTY, WXK_UP );
 483     AddActionTrigger( wxPG_ACTION_EXPAND_PROPERTY, WXK_RIGHT);
 484     AddActionTrigger( wxPG_ACTION_COLLAPSE_PROPERTY, WXK_LEFT);
 485     AddActionTrigger( wxPG_ACTION_CANCEL_EDIT, WXK_ESCAPE );
 486     AddActionTrigger( wxPG_ACTION_PRESS_BUTTON, WXK_DOWN, wxMOD_ALT );
 487     AddActionTrigger( wxPG_ACTION_PRESS_BUTTON, WXK_F4 );
 488
 489     m_coloursCustomized = 0;
 490     m_frozen = 0;
 491
 492     m_canvas = NULL;
 493
 494 #if wxPG_DOUBLE_BUFFER
 495     m_doubleBuffer = NULL;
 496 #endif
 497
 498 #ifndef wxPG_ICON_WIDTH
 499     m_expandbmp = NULL;
 500     m_collbmp = NULL;
 501     m_iconWidth = 11;
 502     m_iconHeight = 11;
 503 #else
 504     m_iconWidth = wxPG_ICON_WIDTH;
 505 #endif
 506
 507     m_prevVY = -1;
 508
 509     m_gutterWidth = wxPG_GUTTER_MIN;
 510     m_subgroup_extramargin = 10;
 511
 512     m_lineHeight = 0;
 513
 514     m_width = m_height = 0;
 515
 516     m_commonValues.push_back(new wxPGCommonValue(_("Unspecified"), wxPGGlobalVars->m_defaultRenderer) );
 517     m_cvUnspecified = 0;
 518
 519     m_chgInfo_changedProperty = NULL;
 520 }
 521
 522 // -----------------------------------------------------------------------
 523
 524 //
 525 // Initialize after parent etc. set
 526 //
 527 void wxPropertyGrid::Init2()
 528 {
 529     wxASSERT( !(m_iFlags & wxPG_FL_INITIALIZED ) );
 530
 531 #ifdef __WXMAC__
 532    // Smaller controls on Mac
 533    SetWindowVariant(wxWINDOW_VARIANT_SMALL);
 534 #endif
 535
 536     // Now create state, if one didn't exist already
 537     // (wxPropertyGridManager might have created it for us).
 538     if ( !m_pState )
 539     {
 540         m_pState = CreateState();
 541         m_pState->m_pPropGrid = this;
 542         m_iFlags |= wxPG_FL_CREATEDSTATE;
 543     }
 544
 545     if ( !(m_windowStyle & wxPG_SPLITTER_AUTO_CENTER) )
 546         m_iFlags |= wxPG_FL_DONT_CENTER_SPLITTER;
 547
 548     if ( m_windowStyle & wxPG_HIDE_CATEGORIES )
 549     {
 550         m_pState->InitNonCatMode();
 551
 552         m_pState->m_properties = m_pState->m_abcArray;
 553     }
 554
 555     GetClientSize(&m_width,&m_height);
 556
 557 #ifndef wxPG_ICON_WIDTH
 558     // create two bitmap nodes for drawing
 559     m_expandbmp = new wxBitmap(expand_xpm);
 560     m_collbmp = new wxBitmap(collapse_xpm);
 561
 562     // calculate average font height for bitmap centering
 563
 564     m_iconWidth = m_expandbmp->GetWidth();
 565     m_iconHeight = m_expandbmp->GetHeight();
 566 #endif
 567
 568     m_curcursor = wxCURSOR_ARROW;
 569     m_cursorSizeWE = new wxCursor( wxCURSOR_SIZEWE );
 570
 571     // adjust bitmap icon y position so they are centered
 572     m_vspacing = wxPG_DEFAULT_VSPACING;
 573
 574     CalculateFontAndBitmapStuff( wxPG_DEFAULT_VSPACING );
 575
 576     // Allocate cell datas indirectly by calling setter
 577     m_propertyDefaultCell.SetBgCol(*wxBLACK);
 578     m_categoryDefaultCell.SetBgCol(*wxBLACK);
 579
 580     RegainColours();
 581
 582     // This helps with flicker
 583     SetBackgroundStyle( wxBG_STYLE_CUSTOM );
 584
 585     // Hook the TLW
 586     wxPGTLWHandler* handler = new wxPGTLWHandler(this);
 587     m_tlp = ::wxGetTopLevelParent(this);
 588     m_tlwHandler = handler;
 589     m_tlp->PushEventHandler(handler);
 590
 591     // set virtual size to this window size
 592     wxSize wndsize = GetSize();
 593     SetVirtualSize(wndsize.GetWidth(), wndsize.GetWidth());
 594
 595     m_timeCreated = ::wxGetLocalTimeMillis();
 596
 597     m_canvas = new wxPGCanvas();
 598     m_canvas->Create(this, 1, wxPoint(0, 0), GetClientSize(),
 599                      wxWANTS_CHARS | wxCLIP_CHILDREN);
 600     m_canvas->SetBackgroundStyle( wxBG_STYLE_CUSTOM );
 601
 602     m_iFlags |= wxPG_FL_INITIALIZED;
 603
 604     m_ncWidth = wndsize.GetWidth();
 605
 606     // Need to call OnResize handler or size given in constructor/Create
 607     // will never work.
 608     wxSizeEvent sizeEvent(wndsize,0);
 609     OnResize(sizeEvent);
 610 }
 611
 612 // -----------------------------------------------------------------------
 613
 614 wxPropertyGrid::~wxPropertyGrid()
 615 {
 616     size_t i;
 617
 618     DoSelectProperty(NULL);
 619
 620     // This should do prevent things from going too badly wrong
 621     m_iFlags &= ~(wxPG_FL_INITIALIZED);
 622
 623     if ( m_iFlags & wxPG_FL_MOUSE_CAPTURED )
 624         m_canvas->ReleaseMouse();
 625
 626     wxPGTLWHandler* handler = (wxPGTLWHandler*) m_tlwHandler;
 627     m_tlp->RemoveEventHandler(handler);
 628     delete handler;
 629
 630 #ifdef __WXDEBUG__
 631     if ( IsEditorsValueModified() )
 632         ::wxMessageBox(wxS("Most recent change in property editor was lost!!!\n\n(if you don't want this to happen, close your frames and dialogs using Close(false).)"),
 633                        wxS("wxPropertyGrid Debug Warning") );
 634 #endif
 635
 636 #if wxPG_DOUBLE_BUFFER
 637     if ( m_doubleBuffer )
 638         delete m_doubleBuffer;
 639 #endif
 640
 641     //m_selected = NULL;
 642
 643     if ( m_iFlags & wxPG_FL_CREATEDSTATE )
 644         delete m_pState;
 645
 646     delete m_cursorSizeWE;
 647
 648 #ifndef wxPG_ICON_WIDTH
 649     delete m_expandbmp;
 650     delete m_collbmp;
 651 #endif
 652
 653     // Delete common value records
 654     for ( i=0; i<m_commonValues.size(); i++ )
 655     {
 656         delete GetCommonValue(i);
 657     }
 658 }
 659
 660 // -----------------------------------------------------------------------
 661
 662 bool wxPropertyGrid::Destroy()
 663 {
 664     if ( m_iFlags & wxPG_FL_MOUSE_CAPTURED )
 665         m_canvas->ReleaseMouse();
 666
 667     return wxScrolledWindow::Destroy();
 668 }
 669
 670 // -----------------------------------------------------------------------
 671
 672 wxPropertyGridPageState* wxPropertyGrid::CreateState() const
 673 {
 674     return new wxPropertyGridPageState();
 675 }
 676
 677 // -----------------------------------------------------------------------
 678 // wxPropertyGrid overridden wxWindow methods
 679 // -----------------------------------------------------------------------
 680
 681 void wxPropertyGrid::SetWindowStyleFlag( long style )
 682 {
 683     long old_style = m_windowStyle;
 684
 685     if ( m_iFlags & wxPG_FL_INITIALIZED )
 686     {
 687         wxASSERT( m_pState );
 688
 689         if ( !(style & wxPG_HIDE_CATEGORIES) && (old_style & wxPG_HIDE_CATEGORIES) )
 690         {
 691         // Enable categories
 692             EnableCategories( true );
 693         }
 694         else if ( (style & wxPG_HIDE_CATEGORIES) && !(old_style & wxPG_HIDE_CATEGORIES) )
 695         {
 696         // Disable categories
 697             EnableCategories( false );
 698         }
 699         if ( !(old_style & wxPG_AUTO_SORT) && (style & wxPG_AUTO_SORT) )
 700         {
 701             //
 702             // Autosort enabled
 703             //
 704             if ( !m_frozen )
 705                 PrepareAfterItemsAdded();
 706             else
 707                 m_pState->m_itemsAdded = 1;
 708         }
 709     #if wxPG_SUPPORT_TOOLTIPS
 710         if ( !(old_style & wxPG_TOOLTIPS) && (style & wxPG_TOOLTIPS) )
 711         {
 712             //
 713             // Tooltips enabled
 714             //
 715             /*
 716             wxToolTip* tooltip = new wxToolTip ( wxEmptyString );
 717             SetToolTip ( tooltip );
 718             tooltip->SetDelay ( wxPG_TOOLTIP_DELAY );
 719             */
 720         }
 721         else if ( (old_style & wxPG_TOOLTIPS) && !(style & wxPG_TOOLTIPS) )
 722         {
 723             //
 724             // Tooltips disabled
 725             //
 726             m_canvas->SetToolTip( NULL );
 727         }
 728     #endif
 729     }
 730
 731     wxScrolledWindow::SetWindowStyleFlag ( style );
 732
 733     if ( m_iFlags & wxPG_FL_INITIALIZED )
 734     {
 735         if ( (old_style & wxPG_HIDE_MARGIN) != (style & wxPG_HIDE_MARGIN) )
 736         {
 737             CalculateFontAndBitmapStuff( m_vspacing );
 738             Refresh();
 739         }
 740     }
 741 }
 742
 743 // -----------------------------------------------------------------------
 744
 745 void wxPropertyGrid::Freeze()
 746 {
 747     if ( !m_frozen )
 748     {
 749         wxScrolledWindow::Freeze();
 750     }
 751     m_frozen++;
 752 }
 753
 754 // -----------------------------------------------------------------------
 755
 756 void wxPropertyGrid::Thaw()
 757 {
 758     m_frozen--;
 759
 760     if ( !m_frozen )
 761     {
 762         wxScrolledWindow::Thaw();
 763         RecalculateVirtualSize();
 764     #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
 765         m_canvas->Refresh();
 766     #endif
 767
 768         // Force property re-selection
 769         if ( m_selected )
 770             DoSelectProperty(m_selected, wxPG_SEL_FORCE);
 771     }
 772 }
 773
 774 // -----------------------------------------------------------------------
 775
 776 void wxPropertyGrid::SetExtraStyle( long exStyle )
 777 {
 778     if ( exStyle & wxPG_EX_NATIVE_DOUBLE_BUFFERING )
 779     {
 780 #if defined(__WXMSW__)
 781
 782         /*
 783         // Don't use WS_EX_COMPOSITED just now.
 784         HWND hWnd;
 785
 786         if ( m_iFlags & wxPG_FL_IN_MANAGER )
 787             hWnd = (HWND)GetParent()->GetHWND();
 788         else
 789             hWnd = (HWND)GetHWND();
 790
 791         ::SetWindowLong( hWnd, GWL_EXSTYLE,
 792                          ::GetWindowLong(hWnd, GWL_EXSTYLE) | WS_EX_COMPOSITED );
 793         */
 794
 795 //#elif defined(__WXGTK20__)
 796 #endif
 797         // Only apply wxPG_EX_NATIVE_DOUBLE_BUFFERING if the window
 798         // truly was double-buffered.
 799         if ( !this->IsDoubleBuffered() )
 800         {
 801             exStyle &= ~(wxPG_EX_NATIVE_DOUBLE_BUFFERING);
 802         }
 803         else
 804         {
 805         #if wxPG_DOUBLE_BUFFER
 806             delete m_doubleBuffer;
 807             m_doubleBuffer = NULL;
 808         #endif
 809         }
 810     }
 811
 812     wxScrolledWindow::SetExtraStyle( exStyle );
 813
 814     if ( exStyle & wxPG_EX_INIT_NOCAT )
 815         m_pState->InitNonCatMode();
 816
 817     if ( exStyle & wxPG_EX_HELP_AS_TOOLTIPS )
 818         m_windowStyle |= wxPG_TOOLTIPS;
 819
 820     // Set global style
 821     wxPGGlobalVars->m_extraStyle = exStyle;
 822 }
 823
 824 // -----------------------------------------------------------------------
 825
 826 // returns the best acceptable minimal size
 827 wxSize wxPropertyGrid::DoGetBestSize() const
 828 {
 829     int hei = 15;
 830     if ( m_lineHeight > hei )
 831         hei = m_lineHeight;
 832     wxSize sz = wxSize( 60, hei+40 );
 833
 834     CacheBestSize(sz);
 835     return sz;
 836 }
 837
 838 // -----------------------------------------------------------------------
 839 // wxPropertyGrid Font and Colour Methods
 840 // -----------------------------------------------------------------------
 841
 842 void wxPropertyGrid::CalculateFontAndBitmapStuff( int vspacing )
 843 {
 844     int x = 0, y = 0;
 845
 846     m_captionFont = wxScrolledWindow::GetFont();
 847
 848     GetTextExtent(wxS("jG"), &x, &y, 0, 0, &m_captionFont);
 849     m_subgroup_extramargin = x + (x/2);
 850     m_fontHeight = y;
 851
 852 #if wxPG_USE_RENDERER_NATIVE
 853     m_iconWidth = wxPG_ICON_WIDTH;
 854 #elif wxPG_ICON_WIDTH
 855     // scale icon
 856     m_iconWidth = (m_fontHeight * wxPG_ICON_WIDTH) / 13;
 857     if ( m_iconWidth < 5 ) m_iconWidth = 5;
 858     else if ( !(m_iconWidth & 0x01) ) m_iconWidth++; // must be odd
 859
 860 #endif
 861
 862     m_gutterWidth = m_iconWidth / wxPG_GUTTER_DIV;
 863     if ( m_gutterWidth < wxPG_GUTTER_MIN )
 864         m_gutterWidth = wxPG_GUTTER_MIN;
 865
 866     int vdiv = 6;
 867     if ( vspacing <= 1 ) vdiv = 12;
 868     else if ( vspacing >= 3 ) vdiv = 3;
 869
 870     m_spacingy = m_fontHeight / vdiv;
 871     if ( m_spacingy < wxPG_YSPACING_MIN )
 872         m_spacingy = wxPG_YSPACING_MIN;
 873
 874     m_marginWidth = 0;
 875     if ( !(m_windowStyle & wxPG_HIDE_MARGIN) )
 876         m_marginWidth = m_gutterWidth*2 + m_iconWidth;
 877
 878     m_captionFont.SetWeight(wxBOLD);
 879     GetTextExtent(wxS("jG"), &x, &y, 0, 0, &m_captionFont);
 880
 881     m_lineHeight = m_fontHeight+(2*m_spacingy)+1;
 882
 883     // button spacing
 884     m_buttonSpacingY = (m_lineHeight - m_iconHeight) / 2;
 885     if ( m_buttonSpacingY < 0 ) m_buttonSpacingY = 0;
 886
 887     if ( m_pState )
 888         m_pState->CalculateFontAndBitmapStuff(vspacing);
 889
 890     if ( m_iFlags & wxPG_FL_INITIALIZED )
 891         RecalculateVirtualSize();
 892
 893     InvalidateBestSize();
 894 }
 895
 896 // -----------------------------------------------------------------------
 897
 898 void wxPropertyGrid::OnSysColourChanged( wxSysColourChangedEvent &WXUNUSED(event) )
 899 {
 900     RegainColours();
 901     Refresh();
 902 }
 903
 904 // -----------------------------------------------------------------------
 905
 906 static wxColour wxPGAdjustColour(const wxColour& src, int ra,
 907                                  int ga = 1000, int ba = 1000,
 908                                  bool forceDifferent = false)
 909 {
 910     if ( ga >= 1000 )
 911         ga = ra;
 912     if ( ba >= 1000 )
 913         ba = ra;
 914
 915     // Recursion guard (allow 2 max)
 916     static int isinside = 0;
 917     isinside++;
 918     wxCHECK_MSG( isinside < 3,
 919                  *wxBLACK,
 920                  wxT("wxPGAdjustColour should not be recursively called more than once") );
 921
 922     wxColour dst;
 923
 924     int r = src.Red();
 925     int g = src.Green();
 926     int b = src.Blue();
 927     int r2 = r + ra;
 928     if ( r2>255 ) r2 = 255;
 929     else if ( r2<0) r2 = 0;
 930     int g2 = g + ga;
 931     if ( g2>255 ) g2 = 255;
 932     else if ( g2<0) g2 = 0;
 933     int b2 = b + ba;
 934     if ( b2>255 ) b2 = 255;
 935     else if ( b2<0) b2 = 0;
 936
 937     // Make sure they are somewhat different
 938     if ( forceDifferent && (abs((r+g+b)-(r2+g2+b2)) < abs(ra/2)) )
 939         dst = wxPGAdjustColour(src,-(ra*2));
 940     else
 941         dst = wxColour(r2,g2,b2);
 942
 943     // Recursion guard (allow 2 max)
 944     isinside--;
 945
 946     return dst;
 947 }
 948
 949
 950 static int wxPGGetColAvg( const wxColour& col )
 951 {
 952     return (col.Red() + col.Green() + col.Blue()) / 3;
 953 }
 954
 955
 956 void wxPropertyGrid::RegainColours()
 957 {
 958     if ( !(m_coloursCustomized & 0x0002) )
 959     {
 960         wxColour col = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
 961
 962         // Make sure colour is dark enough
 963     #ifdef __WXGTK__
 964         int colDec = wxPGGetColAvg(col) - 230;
 965     #else
 966         int colDec = wxPGGetColAvg(col) - 200;
 967     #endif
 968         if ( colDec > 0 )
 969             m_colCapBack = wxPGAdjustColour(col,-colDec);
 970         else
 971             m_colCapBack = col;
 972         m_categoryDefaultCell.GetData()->SetBgCol(m_colCapBack);
 973     }
 974
 975     if ( !(m_coloursCustomized & 0x0001) )
 976         m_colMargin = m_colCapBack;
 977
 978     if ( !(m_coloursCustomized & 0x0004) )
 979     {
 980     #ifdef __WXGTK__
 981         int colDec = -90;
 982     #else
 983         int colDec = -72;
 984     #endif
 985         wxColour capForeCol = wxPGAdjustColour(m_colCapBack,colDec,5000,5000,true);
 986         m_colCapFore = capForeCol;
 987         m_categoryDefaultCell.GetData()->SetFgCol(capForeCol);
 988     }
 989
 990     if ( !(m_coloursCustomized & 0x0008) )
 991     {
 992         wxColour bgCol = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
 993         m_colPropBack = bgCol;
 994         m_propertyDefaultCell.GetData()->SetBgCol(bgCol);
 995     }
 996
 997     if ( !(m_coloursCustomized & 0x0010) )
 998     {
 999         wxColour fgCol = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
1000         m_colPropFore = fgCol;
1001         m_propertyDefaultCell.GetData()->SetFgCol(fgCol);
1002     }
1003
1004     if ( !(m_coloursCustomized & 0x0020) )
1005         m_colSelBack = wxSystemSettings::GetColour( wxSYS_COLOUR_HIGHLIGHT );
1006
1007     if ( !(m_coloursCustomized & 0x0040) )
1008         m_colSelFore = wxSystemSettings::GetColour( wxSYS_COLOUR_HIGHLIGHTTEXT );
1009
1010     if ( !(m_coloursCustomized & 0x0080) )
1011         m_colLine = m_colCapBack;
1012
1013     if ( !(m_coloursCustomized & 0x0100) )
1014         m_colDisPropFore = m_colCapFore;
1015
1016     m_colEmptySpace = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
1017 }
1018
1019 // -----------------------------------------------------------------------
1020
1021 void wxPropertyGrid::ResetColours()
1022 {
1023     m_coloursCustomized = 0;
1024
1025     RegainColours();
1026
1027     Refresh();
1028 }
1029
1030 // -----------------------------------------------------------------------
1031
1032 bool wxPropertyGrid::SetFont( const wxFont& font )
1033 {
1034     // Must disable active editor.
1035     ClearSelection(false);
1036
1037     bool res = wxScrolledWindow::SetFont( font );
1038     if ( res )
1039     {
1040         CalculateFontAndBitmapStuff( m_vspacing );
1041         Refresh();
1042     }
1043
1044     return res;
1045 }
1046
1047 // -----------------------------------------------------------------------
1048
1049 void wxPropertyGrid::SetLineColour( const wxColour& col )
1050 {
1051     m_colLine = col;
1052     m_coloursCustomized |= 0x80;
1053     Refresh();
1054 }
1055
1056 // -----------------------------------------------------------------------
1057
1058 void wxPropertyGrid::SetMarginColour( const wxColour& col )
1059 {
1060     m_colMargin = col;
1061     m_coloursCustomized |= 0x01;
1062     Refresh();
1063 }
1064
1065 // -----------------------------------------------------------------------
1066
1067 void wxPropertyGrid::SetCellBackgroundColour( const wxColour& col )
1068 {
1069     m_colPropBack = col;
1070     m_coloursCustomized |= 0x08;
1071
1072     m_propertyDefaultCell.GetData()->SetBgCol(col);
1073
1074     Refresh();
1075 }
1076
1077 // -----------------------------------------------------------------------
1078
1079 void wxPropertyGrid::SetCellTextColour( const wxColour& col )
1080 {
1081     m_colPropFore = col;
1082     m_coloursCustomized |= 0x10;
1083
1084     m_propertyDefaultCell.GetData()->SetFgCol(col);
1085
1086     Refresh();
1087 }
1088
1089 // -----------------------------------------------------------------------
1090
1091 void wxPropertyGrid::SetEmptySpaceColour( const wxColour& col )
1092 {
1093     m_colEmptySpace = col;
1094
1095     Refresh();
1096 }
1097
1098 // -----------------------------------------------------------------------
1099
1100 void wxPropertyGrid::SetCellDisabledTextColour( const wxColour& col )
1101 {
1102     m_colDisPropFore = col;
1103     m_coloursCustomized |= 0x100;
1104     Refresh();
1105 }
1106
1107 // -----------------------------------------------------------------------
1108
1109 void wxPropertyGrid::SetSelectionBackgroundColour( const wxColour& col )
1110 {
1111     m_colSelBack = col;
1112     m_coloursCustomized |= 0x20;
1113     Refresh();
1114 }
1115
1116 // -----------------------------------------------------------------------
1117
1118 void wxPropertyGrid::SetSelectionTextColour( const wxColour& col )
1119 {
1120     m_colSelFore = col;
1121     m_coloursCustomized |= 0x40;
1122     Refresh();
1123 }
1124
1125 // -----------------------------------------------------------------------
1126
1127 void wxPropertyGrid::SetCaptionBackgroundColour( const wxColour& col )
1128 {
1129     m_colCapBack = col;
1130     m_coloursCustomized |= 0x02;
1131
1132     m_categoryDefaultCell.GetData()->SetBgCol(col);
1133
1134     Refresh();
1135 }
1136
1137 // -----------------------------------------------------------------------
1138
1139 void wxPropertyGrid::SetCaptionTextColour( const wxColour& col )
1140 {
1141     m_colCapFore = col;
1142     m_coloursCustomized |= 0x04;
1143
1144     m_categoryDefaultCell.GetData()->SetFgCol(col);
1145
1146     Refresh();
1147 }
1148
1149 // -----------------------------------------------------------------------
1150 // wxPropertyGrid property adding and removal
1151 // -----------------------------------------------------------------------
1152
1153 void wxPropertyGrid::PrepareAfterItemsAdded()
1154 {
1155     if ( !m_pState || !m_pState->m_itemsAdded ) return;
1156
1157     m_pState->m_itemsAdded = 0;
1158
1159     if ( m_windowStyle & wxPG_AUTO_SORT )
1160         Sort(wxPG_SORT_TOP_LEVEL_ONLY);
1161
1162     RecalculateVirtualSize();
1163 }
1164
1165 // -----------------------------------------------------------------------
1166 // wxPropertyGrid property operations
1167 // -----------------------------------------------------------------------
1168
1169 bool wxPropertyGrid::EnsureVisible( wxPGPropArg id )
1170 {
1171     wxPG_PROP_ARG_CALL_PROLOG_RETVAL(false)
1172
1173     Update();
1174
1175     bool changed = false;
1176
1177     // Is it inside collapsed section?
1178     if ( !p->IsVisible() )
1179     {
1180         // expand parents
1181         wxPGProperty* parent = p->GetParent();
1182         wxPGProperty* grandparent = parent->GetParent();
1183
1184         if ( grandparent && grandparent != m_pState->m_properties )
1185             Expand( grandparent );
1186
1187         Expand( parent );
1188         changed = true;
1189     }
1190
1191     // Need to scroll?
1192     int vx, vy;
1193     GetViewStart(&vx,&vy);
1194     vy*=wxPG_PIXELS_PER_UNIT;
1195
1196     int y = p->GetY();
1197
1198     if ( y < vy )
1199     {
1200         Scroll(vx, y/wxPG_PIXELS_PER_UNIT );
1201         m_iFlags |= wxPG_FL_SCROLLED;
1202         changed = true;
1203     }
1204     else if ( (y+m_lineHeight) > (vy+m_height) )
1205     {
1206         Scroll(vx, (y-m_height+(m_lineHeight*2))/wxPG_PIXELS_PER_UNIT );
1207         m_iFlags |= wxPG_FL_SCROLLED;
1208         changed = true;
1209     }
1210
1211     if ( changed )
1212         DrawItems( p, p );
1213
1214     return changed;
1215 }
1216
1217 // -----------------------------------------------------------------------
1218 // wxPropertyGrid helper methods called by properties
1219 // -----------------------------------------------------------------------
1220
1221 // Control font changer helper.
1222 void wxPropertyGrid::SetCurControlBoldFont()
1223 {
1224     wxASSERT( m_wndEditor );
1225     m_wndEditor->SetFont( m_captionFont );
1226 }
1227
1228 // -----------------------------------------------------------------------
1229
1230 wxPoint wxPropertyGrid::GetGoodEditorDialogPosition( wxPGProperty* p,
1231                                                      const wxSize& sz )
1232 {
1233 #if wxPG_SMALL_SCREEN
1234     // On small-screen devices, always show dialogs with default position and size.
1235     return wxDefaultPosition;
1236 #else
1237     int splitterX = GetSplitterPosition();
1238     int x = splitterX;
1239     int y = p->GetY();
1240
1241     wxCHECK_MSG( y >= 0, wxPoint(-1,-1), wxT("invalid y?") );
1242
1243     ImprovedClientToScreen( &x, &y );
1244
1245     int sw = wxSystemSettings::GetMetric( ::wxSYS_SCREEN_X );
1246     int sh = wxSystemSettings::GetMetric( ::wxSYS_SCREEN_Y );
1247
1248     int new_x;
1249     int new_y;
1250
1251     if ( x > (sw/2) )
1252         // left
1253         new_x = x + (m_width-splitterX) - sz.x;
1254     else
1255         // right
1256         new_x = x;
1257
1258     if ( y > (sh/2) )
1259         // above
1260         new_y = y - sz.y;
1261     else
1262         // below
1263         new_y = y + m_lineHeight;
1264
1265     return wxPoint(new_x,new_y);
1266 #endif
1267 }
1268
1269 // -----------------------------------------------------------------------
1270
1271 wxString& wxPropertyGrid::ExpandEscapeSequences( wxString& dst_str, wxString& src_str )
1272 {
1273     if ( src_str.length() == 0 )
1274     {
1275         dst_str = src_str;
1276         return src_str;
1277     }
1278
1279     bool prev_is_slash = false;
1280
1281     wxString::const_iterator i = src_str.begin();
1282
1283     dst_str.clear();
1284
1285     for ( ; i != src_str.end(); ++i )
1286     {
1287         wxUniChar a = *i;
1288
1289         if ( a != wxS('\\') )
1290         {
1291             if ( !prev_is_slash )
1292             {
1293                 dst_str << a;
1294             }
1295             else
1296             {
1297                 if ( a == wxS('n') )
1298                 {
1299             #ifdef __WXMSW__
1300                     dst_str << wxS('\n');
1301             #else
1302                     dst_str << wxS('\n');
1303             #endif
1304                 }
1305                 else if ( a == wxS('t') )
1306                     dst_str << wxS('\t');
1307                 else
1308                     dst_str << a;
1309             }
1310             prev_is_slash = false;
1311         }
1312         else
1313         {
1314             if ( prev_is_slash )
1315             {
1316                 dst_str << wxS('\\');
1317                 prev_is_slash = false;
1318             }
1319             else
1320             {
1321                 prev_is_slash = true;
1322             }
1323         }
1324     }
1325     return dst_str;
1326 }
1327
1328 // -----------------------------------------------------------------------
1329
1330 wxString& wxPropertyGrid::CreateEscapeSequences( wxString& dst_str, wxString& src_str )
1331 {
1332     if ( src_str.length() == 0 )
1333     {
1334         dst_str = src_str;
1335         return src_str;
1336     }
1337
1338     wxString::const_iterator i = src_str.begin();
1339     wxUniChar prev_a = wxS('\0');
1340
1341     dst_str.clear();
1342
1343     for ( ; i != src_str.end(); ++i )
1344     {
1345         wxChar a = *i;
1346
1347         if ( a >= wxS(' ') )
1348         {
1349             // This surely is not something that requires an escape sequence.
1350             dst_str << a;
1351         }
1352         else
1353         {
1354             // This might need...
1355             if ( a == wxS('\r')  )
1356             {
1357                 // DOS style line end.
1358                 // Already taken care below
1359             }
1360             else if ( a == wxS('\n') )
1361                 // UNIX style line end.
1362                 dst_str << wxS("\\n");
1363             else if ( a == wxS('\t') )
1364                 // Tab.
1365                 dst_str << wxS('\t');
1366             else
1367             {
1368                 //wxLogDebug(wxT("WARNING: Could not create escape sequence for character #%i"),(int)a);
1369                 dst_str << a;
1370             }
1371         }
1372
1373         prev_a = a;
1374     }
1375     return dst_str;
1376 }
1377
1378 // -----------------------------------------------------------------------
1379
1380 wxPGProperty* wxPropertyGrid::DoGetItemAtY( int y ) const
1381 {
1382     // Outside?
1383     if ( y < 0 )
1384         return NULL;
1385
1386     unsigned int a = 0;
1387     return m_pState->m_properties->GetItemAtY(y, m_lineHeight, &a);
1388 }
1389
1390 // -----------------------------------------------------------------------
1391 // wxPropertyGrid graphics related methods
1392 // -----------------------------------------------------------------------
1393
1394 void wxPropertyGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
1395 {
1396     wxPaintDC dc(this);
1397
1398     // Update everything inside the box
1399     wxRect r = GetUpdateRegion().GetBox();
1400
1401     dc.SetPen(m_colEmptySpace);
1402     dc.SetBrush(m_colEmptySpace);
1403     dc.DrawRectangle(r);
1404 }
1405
1406 // -----------------------------------------------------------------------
1407
1408 void wxPropertyGrid::DrawExpanderButton( wxDC& dc, const wxRect& rect,
1409                                          wxPGProperty* property ) const
1410 {
1411     // Prepare rectangle to be used
1412     wxRect r(rect);
1413     r.x += m_gutterWidth; r.y += m_buttonSpacingY;
1414     r.width = m_iconWidth; r.height = m_iconHeight;
1415
1416 #if (wxPG_USE_RENDERER_NATIVE)
1417     //
1418 #elif wxPG_ICON_WIDTH
1419     // Drawing expand/collapse button manually
1420     dc.SetPen(m_colPropFore);
1421     if ( property->IsCategory() )
1422         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1423     else
1424         dc.SetBrush(m_colPropBack);
1425
1426     dc.DrawRectangle( r );
1427     int _y = r.y+(m_iconWidth/2);
1428     dc.DrawLine(r.x+2,_y,r.x+m_iconWidth-2,_y);
1429 #else
1430     wxBitmap* bmp;
1431 #endif
1432
1433     if ( property->IsExpanded() )
1434     {
1435     // wxRenderer functions are non-mutating in nature, so it
1436     // should be safe to cast "const wxPropertyGrid*" to "wxWindow*".
1437     // Hopefully this does not cause problems.
1438     #if (wxPG_USE_RENDERER_NATIVE)
1439         wxRendererNative::Get().DrawTreeItemButton(
1440                 (wxWindow*)this,
1441                 dc,
1442                 r,
1443                 wxCONTROL_EXPANDED
1444             );
1445     #elif wxPG_ICON_WIDTH
1446         //
1447     #else
1448         bmp = m_collbmp;
1449     #endif
1450
1451     }
1452     else
1453     {
1454     #if (wxPG_USE_RENDERER_NATIVE)
1455         wxRendererNative::Get().DrawTreeItemButton(
1456                 (wxWindow*)this,
1457                 dc,
1458                 r,
1459                 0
1460             );
1461     #elif wxPG_ICON_WIDTH
1462         int _x = r.x+(m_iconWidth/2);
1463         dc.DrawLine(_x,r.y+2,_x,r.y+m_iconWidth-2);
1464     #else
1465         bmp = m_expandbmp;
1466     #endif
1467     }
1468
1469 #if (wxPG_USE_RENDERER_NATIVE)
1470     //
1471 #elif wxPG_ICON_WIDTH
1472     //
1473 #else
1474     dc.DrawBitmap( *bmp, r.x, r.y, true );
1475 #endif
1476 }
1477
1478 // -----------------------------------------------------------------------
1479
1480 //
1481 // This is the one called by OnPaint event handler and others.
1482 // topy and bottomy are already unscrolled (ie. physical)
1483 //
1484 void wxPropertyGrid::DrawItems( wxDC& dc,
1485                                 unsigned int topy,
1486                                 unsigned int bottomy,
1487                                 const wxRect* clipRect )
1488 {
1489     if ( m_frozen || m_height < 1 || bottomy < topy || !m_pState ) return;
1490
1491     m_pState->EnsureVirtualHeight();
1492
1493     wxRect tempClipRect;
1494     if ( !clipRect )
1495     {
1496         tempClipRect = wxRect(0,topy,m_pState->m_width,bottomy);
1497         clipRect = &tempClipRect;
1498     }
1499
1500     // items added check
1501     if ( m_pState->m_itemsAdded ) PrepareAfterItemsAdded();
1502
1503     int paintFinishY = 0;
1504
1505     if ( m_pState->m_properties->GetChildCount() > 0 )
1506     {
1507         wxDC* dcPtr = &dc;
1508         bool isBuffered = false;
1509
1510     #if wxPG_DOUBLE_BUFFER
1511         wxMemoryDC* bufferDC = NULL;
1512
1513         if ( !(GetExtraStyle() & wxPG_EX_NATIVE_DOUBLE_BUFFERING) )
1514         {
1515             if ( !m_doubleBuffer )
1516             {
1517                 paintFinishY = clipRect->y;
1518                 dcPtr = NULL;
1519             }
1520             else
1521             {
1522                 bufferDC = new wxMemoryDC();
1523
1524                 // If nothing was changed, then just copy from double-buffer
1525                 bufferDC->SelectObject( *m_doubleBuffer );
1526                 dcPtr = bufferDC;
1527
1528                 isBuffered = true;
1529             }
1530         }
1531     #endif
1532
1533         if ( dcPtr )
1534         {
1535             dc.SetClippingRegion( *clipRect );
1536             paintFinishY = DoDrawItems( *dcPtr, clipRect, isBuffered );
1537         }
1538
1539     #if wxPG_DOUBLE_BUFFER
1540         if ( bufferDC )
1541         {
1542             dc.Blit( clipRect->x, clipRect->y, clipRect->width, clipRect->height,
1543                 bufferDC, 0, 0, wxCOPY );
1544             dc.DestroyClippingRegion(); // Is this really necessary?
1545             delete bufferDC;
1546         }
1547     #endif
1548     }
1549
1550     // Clear area beyond bottomY?
1551     if ( paintFinishY < (clipRect->y+clipRect->height) )
1552     {
1553         dc.SetPen(m_colEmptySpace);
1554         dc.SetBrush(m_colEmptySpace);
1555         dc.DrawRectangle( 0, paintFinishY, m_width, (clipRect->y+clipRect->height) );
1556     }
1557 }
1558
1559 // -----------------------------------------------------------------------
1560
1561 int wxPropertyGrid::DoDrawItems( wxDC& dc,
1562                                  const wxRect* clipRect,
1563                                  bool isBuffered ) const
1564 {
1565     const wxPGProperty* firstItem;
1566     const wxPGProperty* lastItem;
1567
1568     firstItem = DoGetItemAtY(clipRect->y);
1569     lastItem = DoGetItemAtY(clipRect->y+clipRect->height-1);
1570
1571     if ( !lastItem )
1572         lastItem = GetLastItem( wxPG_ITERATE_VISIBLE );
1573
1574     if ( m_frozen || m_height < 1 || firstItem == NULL )
1575         return clipRect->y;
1576
1577     wxCHECK_MSG( !m_pState->m_itemsAdded, clipRect->y, wxT("no items added") );
1578     wxASSERT( m_pState->m_properties->GetChildCount() );
1579
1580     int lh = m_lineHeight;
1581
1582     int firstItemTopY;
1583     int lastItemBottomY;
1584
1585     firstItemTopY = clipRect->y;
1586     lastItemBottomY = clipRect->y + clipRect->height;
1587
1588     // Align y coordinates to item boundaries
1589     firstItemTopY -= firstItemTopY % lh;
1590     lastItemBottomY += lh - (lastItemBottomY % lh);
1591     lastItemBottomY -= 1;
1592
1593     // Entire range outside scrolled, visible area?
1594     if ( firstItemTopY >= (int)m_pState->GetVirtualHeight() || lastItemBottomY <= 0 )
1595         return clipRect->y;
1596
1597     wxCHECK_MSG( firstItemTopY < lastItemBottomY, clipRect->y, wxT("invalid y values") );
1598
1599
1600     /*
1601     wxLogDebug(wxT("  -> DoDrawItems ( \"%s\" -> \"%s\", height=%i (ch=%i), clipRect = 0x%lX )"),
1602         firstItem->GetLabel().c_str(),
1603         lastItem->GetLabel().c_str(),
1604         (int)(lastItemBottomY - firstItemTopY),
1605         (int)m_height,
1606         (unsigned long)clipRect );
1607     */
1608
1609     wxRect r;
1610
1611     long windowStyle = m_windowStyle;
1612
1613     int xRelMod = 0;
1614     int yRelMod = 0;
1615
1616     //
1617     // With wxPG_DOUBLE_BUFFER, do double buffering
1618     // - buffer's y = 0, so align cliprect and coordinates to that
1619     //
1620 #if wxPG_DOUBLE_BUFFER
1621
1622     wxRect cr2;
1623
1624     if ( isBuffered )
1625     {
1626         xRelMod = clipRect->x;
1627         yRelMod = clipRect->y;
1628
1629         //
1630         // clipRect conversion
1631         cr2 = *clipRect;
1632         cr2.x -= xRelMod;
1633         cr2.y -= yRelMod;
1634         clipRect = &cr2;
1635         firstItemTopY -= yRelMod;
1636         lastItemBottomY -= yRelMod;
1637     }
1638 #else
1639     wxUnusedVar(isBuffered);
1640 #endif
1641
1642     int x = m_marginWidth - xRelMod;
1643
1644     wxFont normalFont = GetFont();
1645
1646     bool reallyFocused = (m_iFlags & wxPG_FL_FOCUSED) != 0;
1647
1648     bool isEnabled = IsEnabled();
1649
1650     //
1651     // Prepare some pens and brushes that are often changed to.
1652     //
1653
1654     wxBrush marginBrush(m_colMargin);
1655     wxPen marginPen(m_colMargin);
1656     wxBrush capbgbrush(m_colCapBack,wxSOLID);
1657     wxPen linepen(m_colLine,1,wxSOLID);
1658
1659     // pen that has same colour as text
1660     wxPen outlinepen(m_colPropFore,1,wxSOLID);
1661
1662     //
1663     // Clear margin with background colour
1664     //
1665     dc.SetBrush( marginBrush );
1666     if ( !(windowStyle & wxPG_HIDE_MARGIN) )
1667     {
1668         dc.SetPen( *wxTRANSPARENT_PEN );
1669         dc.DrawRectangle(-1-xRelMod,firstItemTopY-1,x+2,lastItemBottomY-firstItemTopY+2);
1670     }
1671
1672     const wxPGProperty* selected = m_selected;
1673     const wxPropertyGridPageState* state = m_pState;
1674
1675 #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
1676     bool wasSelectedPainted = false;
1677 #endif
1678
1679     // TODO: Only render columns that are within clipping region.
1680
1681     dc.SetFont(normalFont);
1682
1683     wxPropertyGridConstIterator it( state, wxPG_ITERATE_VISIBLE, firstItem );
1684     int endScanBottomY = lastItemBottomY + lh;
1685     int y = firstItemTopY;
1686
1687     //
1688     // Pregenerate list of visible properties.
1689     wxArrayPGProperty visPropArray;
1690     visPropArray.reserve((m_height/m_lineHeight)+6);
1691
1692     for ( ; !it.AtEnd(); it.Next() )
1693     {
1694         const wxPGProperty* p = *it;
1695
1696         if ( !p->HasFlag(wxPG_PROP_HIDDEN) )
1697         {
1698             visPropArray.push_back((wxPGProperty*)p);
1699
1700             if ( y > endScanBottomY )
1701                 break;
1702
1703             y += lh;
1704         }
1705     }
1706
1707     visPropArray.push_back(NULL);
1708
1709     wxPGProperty* nextP = visPropArray[0];
1710
1711     int gridWidth = state->m_width;
1712
1713     y = firstItemTopY;
1714     for ( unsigned int arrInd=1;
1715           nextP && y <= lastItemBottomY;
1716           arrInd++ )
1717     {
1718         wxPGProperty* p = nextP;
1719         nextP = visPropArray[arrInd];
1720
1721         int rowHeight = m_fontHeight+(m_spacingy*2)+1;
1722         int textMarginHere = x;
1723         int renderFlags = 0;
1724
1725         int greyDepth = m_marginWidth;
1726         if ( !(windowStyle & wxPG_HIDE_CATEGORIES) )
1727             greyDepth = (((int)p->m_depthBgCol)-1) * m_subgroup_extramargin + m_marginWidth;
1728
1729         int greyDepthX = greyDepth - xRelMod;
1730
1731         // Use basic depth if in non-categoric mode and parent is base array.
1732         if ( !(windowStyle & wxPG_HIDE_CATEGORIES) || p->GetParent() != m_pState->m_properties )
1733         {
1734             textMarginHere += ((unsigned int)((p->m_depth-1)*m_subgroup_extramargin));
1735         }
1736
1737         // Paint margin area
1738         dc.SetBrush(marginBrush);
1739         dc.SetPen(marginPen);
1740         dc.DrawRectangle( -xRelMod, y, greyDepth, lh );
1741
1742         dc.SetPen( linepen );
1743
1744         int y2 = y + lh;
1745
1746         // Margin Edge
1747         dc.DrawLine( greyDepthX, y, greyDepthX, y2 );
1748
1749         // Splitters
1750         unsigned int si;
1751         int sx = x;
1752
1753         for ( si=0; si<state->m_colWidths.size(); si++ )
1754         {
1755             sx += state->m_colWidths[si];
1756             dc.DrawLine( sx, y, sx, y2 );
1757         }
1758
1759         // Horizontal Line, below
1760         //   (not if both this and next is category caption)
1761         if ( p->IsCategory() &&
1762              nextP && nextP->IsCategory() )
1763             dc.SetPen(m_colCapBack);
1764
1765         dc.DrawLine( greyDepthX, y2-1, gridWidth-xRelMod, y2-1 );
1766
1767         //
1768         // Need to override row colours?
1769         wxColour rowFgCol;
1770         wxColour rowBgCol;
1771
1772         if ( p != selected )
1773         {
1774             // Disabled may get different colour.
1775             if ( !p->IsEnabled() )
1776             {
1777                 renderFlags |= wxPGCellRenderer::Disabled |
1778                                wxPGCellRenderer::DontUseCellFgCol;
1779                 rowFgCol = m_colDisPropFore;
1780             }
1781         }
1782         else
1783         {
1784             renderFlags |= wxPGCellRenderer::Selected;
1785
1786             if ( !p->IsCategory() )
1787             {
1788                 renderFlags |= wxPGCellRenderer::DontUseCellFgCol |
1789                                wxPGCellRenderer::DontUseCellBgCol;
1790
1791 #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
1792                 wasSelectedPainted = true;
1793 #endif
1794
1795                 // Selected gets different colour.
1796                 if ( reallyFocused )
1797                 {
1798                     rowFgCol = m_colSelFore;
1799                     rowBgCol = m_colSelBack;
1800                 }
1801                 else if ( isEnabled )
1802                 {
1803                     rowFgCol = m_colPropFore;
1804                     rowBgCol = m_colMargin;
1805                 }
1806                 else
1807                 {
1808                     rowFgCol = m_colDisPropFore;
1809                     rowBgCol = m_colSelBack;
1810                 }
1811             }
1812         }
1813
1814         wxBrush rowBgBrush;
1815
1816         if ( rowBgCol.IsOk() )
1817             rowBgBrush = wxBrush(rowBgCol);
1818
1819         if ( HasInternalFlag(wxPG_FL_CELL_OVERRIDES_SEL) )
1820             renderFlags = renderFlags & ~wxPGCellRenderer::DontUseCellColours;
1821
1822         //
1823         // Fill additional margin area with background colour of first cell
1824         if ( greyDepthX < textMarginHere )
1825         {
1826             if ( !(renderFlags & wxPGCellRenderer::DontUseCellBgCol) )
1827             {
1828                 wxPGCell& cell = p->GetCell(0);
1829                 rowBgCol = cell.GetBgCol();
1830                 rowBgBrush = wxBrush(rowBgCol);
1831             }
1832             dc.SetBrush(rowBgBrush);
1833             dc.SetPen(rowBgCol);
1834             dc.DrawRectangle(greyDepthX+1, y,
1835                              textMarginHere-greyDepthX, lh-1);
1836         }
1837
1838         bool fontChanged = false;
1839
1840         // Expander button rectangle
1841         wxRect butRect( ((p->m_depth - 1) * m_subgroup_extramargin) - xRelMod,
1842                         y,
1843                         m_marginWidth,
1844                         lh );
1845
1846         if ( p->IsCategory() )
1847         {
1848             // Captions have their cell areas merged as one
1849             dc.SetFont(m_captionFont);
1850             fontChanged = true;
1851             wxRect cellRect(greyDepthX, y, gridWidth - greyDepth + 2, rowHeight-1 );
1852
1853             if ( renderFlags & wxPGCellRenderer::DontUseCellBgCol )
1854             {
1855                 dc.SetBrush(rowBgBrush);
1856                 dc.SetPen(rowBgCol);
1857             }
1858
1859             if ( renderFlags & wxPGCellRenderer::DontUseCellFgCol )
1860             {
1861                 dc.SetTextForeground(rowFgCol);
1862             }
1863
1864             wxPGCellRenderer* renderer = p->GetCellRenderer(0);
1865             renderer->Render( dc, cellRect, this, p, 0, -1, renderFlags );
1866
1867             // Tree Item Button
1868             if ( !HasFlag(wxPG_HIDE_MARGIN) && p->HasVisibleChildren() )
1869                 DrawExpanderButton( dc, butRect, p );
1870         }
1871         else
1872         {
1873             if ( p->m_flags & wxPG_PROP_MODIFIED && (windowStyle & wxPG_BOLD_MODIFIED) )
1874             {
1875                 dc.SetFont(m_captionFont);
1876                 fontChanged = true;
1877             }
1878
1879             unsigned int ci;
1880             int cellX = x + 1;
1881             int nextCellWidth = state->m_colWidths[0] -
1882                                 (greyDepthX - m_marginWidth);
1883             wxRect cellRect(greyDepthX+1, y, 0, rowHeight-1);
1884             int textXAdd = textMarginHere - greyDepthX;
1885
1886             for ( ci=0; ci<state->m_colWidths.size(); ci++ )
1887             {
1888                 cellRect.width = nextCellWidth - 1;
1889
1890                 bool ctrlCell = false;
1891                 int cellRenderFlags = renderFlags;
1892
1893                 // Tree Item Button
1894                 if ( ci == 0 && !HasFlag(wxPG_HIDE_MARGIN) && p->HasVisibleChildren() )
1895                     DrawExpanderButton( dc, butRect, p );
1896
1897                 // Background
1898                 if ( p == selected && m_wndEditor && ci == 1 )
1899                 {
1900                     wxColour editorBgCol = GetEditorControl()->GetBackgroundColour();
1901                     dc.SetBrush(editorBgCol);
1902                     dc.SetPen(editorBgCol);
1903                     dc.SetTextForeground(m_colPropFore);
1904                     dc.DrawRectangle(cellRect);
1905
1906                     if ( m_dragStatus == 0 && !(m_iFlags & wxPG_FL_CUR_USES_CUSTOM_IMAGE) )
1907                         ctrlCell = true;
1908                 }
1909                 else
1910                 {
1911                     if ( renderFlags & wxPGCellRenderer::DontUseCellBgCol )
1912                     {
1913                         dc.SetBrush(rowBgBrush);
1914                         dc.SetPen(rowBgCol);
1915                     }
1916
1917                     if ( renderFlags & wxPGCellRenderer::DontUseCellFgCol )
1918                     {
1919                         dc.SetTextForeground(rowFgCol);
1920                     }
1921                 }
1922
1923                 dc.SetClippingRegion(cellRect);
1924
1925                 cellRect.x += textXAdd;
1926                 cellRect.width -= textXAdd;
1927
1928                 // Foreground
1929                 if ( !ctrlCell )
1930                 {
1931                     wxPGCellRenderer* renderer;
1932                     int cmnVal = p->GetCommonValue();
1933                     if ( cmnVal == -1 || ci != 1 )
1934                     {
1935                         renderer = p->GetCellRenderer(ci);
1936                         renderer->Render( dc, cellRect, this, p, ci, -1,
1937                                           cellRenderFlags );
1938                     }
1939                     else
1940                     {
1941                         renderer = GetCommonValue(cmnVal)->GetRenderer();
1942                         renderer->Render( dc, cellRect, this, p, ci, -1,
1943                                           cellRenderFlags );
1944                     }
1945                 }
1946
1947                 cellX += state->m_colWidths[ci];
1948                 if ( ci < (state->m_colWidths.size()-1) )
1949                     nextCellWidth = state->m_colWidths[ci+1];
1950                 cellRect.x = cellX;
1951                 dc.DestroyClippingRegion(); // Is this really necessary?
1952                 textXAdd = 0;
1953             }
1954         }
1955
1956         if ( fontChanged )
1957             dc.SetFont(normalFont);
1958
1959         y += rowHeight;
1960     }
1961
1962     // Refresh editor controls (seems not needed on msw)
1963     // NOTE: This code is mandatory for GTK!
1964 #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
1965     if ( wasSelectedPainted )
1966     {
1967         if ( m_wndEditor )
1968             m_wndEditor->Refresh();
1969         if ( m_wndEditor2 )
1970             m_wndEditor2->Refresh();
1971     }
1972 #endif
1973
1974     return y + yRelMod;
1975 }
1976
1977 // -----------------------------------------------------------------------
1978
1979 wxRect wxPropertyGrid::GetPropertyRect( const wxPGProperty* p1, const wxPGProperty* p2 ) const
1980 {
1981     wxRect r;
1982
1983     if ( m_width < 10 || m_height < 10 ||
1984          !m_pState->m_properties->GetChildCount() ||
1985          p1 == NULL )
1986         return wxRect(0,0,0,0);
1987
1988     int vy = 0;
1989
1990     //
1991     // Return rect which encloses the given property range
1992
1993     int visTop = p1->GetY();
1994     int visBottom;
1995     if ( p2 )
1996         visBottom = p2->GetY() + m_lineHeight;
1997     else
1998         visBottom = m_height + visTop;
1999
2000     // If seleced property is inside the range, we'll extend the range to include
2001     // control's size.
2002     wxPGProperty* selected = m_selected;
2003     if ( selected )
2004     {
2005         int selectedY = selected->GetY();
2006         if ( selectedY >= visTop && selectedY < visBottom )
2007         {
2008             wxWindow* editor = GetEditorControl();
2009             if ( editor )
2010             {
2011                 int visBottom2 = selectedY + editor->GetSize().y;
2012                 if ( visBottom2 > visBottom )
2013                     visBottom = visBottom2;
2014             }
2015         }
2016     }
2017
2018     return wxRect(0,visTop-vy,m_pState->m_width,visBottom-visTop);
2019 }
2020
2021 // -----------------------------------------------------------------------
2022
2023 void wxPropertyGrid::DrawItems( const wxPGProperty* p1, const wxPGProperty* p2 )
2024 {
2025     if ( m_frozen )
2026         return;
2027
2028     if ( m_pState->m_itemsAdded )
2029         PrepareAfterItemsAdded();
2030
2031     wxRect r = GetPropertyRect(p1, p2);
2032     if ( r.width > 0 )
2033     {
2034         m_canvas->RefreshRect(r);
2035     }
2036 }
2037
2038 // -----------------------------------------------------------------------
2039
2040 void wxPropertyGrid::RefreshProperty( wxPGProperty* p )
2041 {
2042     if ( p == m_selected )
2043         DoSelectProperty(p, wxPG_SEL_FORCE);
2044
2045     DrawItemAndChildren(p);
2046 }
2047
2048 // -----------------------------------------------------------------------
2049
2050 void wxPropertyGrid::DrawItemAndValueRelated( wxPGProperty* p )
2051 {
2052     if ( m_frozen )
2053         return;
2054
2055     // Draw item, children, and parent too, if it is not category
2056     wxPGProperty* parent = p->GetParent();
2057
2058     while ( parent &&
2059             !parent->IsCategory() &&
2060             parent->GetParent() )
2061     {
2062          DrawItem(parent);
2063          parent = parent->GetParent();
2064     }
2065
2066     DrawItemAndChildren(p);
2067 }
2068
2069 void wxPropertyGrid::DrawItemAndChildren( wxPGProperty* p )
2070 {
2071     wxCHECK_RET( p, wxT("invalid property id") );
2072
2073     // Do not draw if in non-visible page
2074     if ( p->GetParentState() != m_pState )
2075         return;
2076
2077     // do not draw a single item if multiple pending
2078     if ( m_pState->m_itemsAdded || m_frozen )
2079         return;
2080
2081     // Update child control.
2082     if ( m_selected && m_selected->GetParent() == p )
2083         RefreshEditor();
2084
2085     const wxPGProperty* lastDrawn = p->GetLastVisibleSubItem();
2086
2087     DrawItems(p, lastDrawn);
2088 }
2089
2090 // -----------------------------------------------------------------------
2091
2092 void wxPropertyGrid::Refresh( bool WXUNUSED(eraseBackground),
2093                               const wxRect *rect )
2094 {
2095     PrepareAfterItemsAdded();
2096
2097     wxWindow::Refresh(false);
2098     if ( m_canvas )
2099         // TODO: Coordinate translation
2100         m_canvas->Refresh(false, rect);
2101
2102 #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
2103     // I think this really helps only GTK+1.2
2104     if ( m_wndEditor ) m_wndEditor->Refresh();
2105     if ( m_wndEditor2 ) m_wndEditor2->Refresh();
2106 #endif
2107 }
2108
2109 // -----------------------------------------------------------------------
2110 // wxPropertyGrid global operations
2111 // -----------------------------------------------------------------------
2112
2113 void wxPropertyGrid::Clear()
2114 {
2115     m_pState->DoClear();
2116
2117     m_propHover = NULL;
2118
2119     m_prevVY = 0;
2120
2121     RecalculateVirtualSize();
2122
2123     // Need to clear some area at the end
2124     if ( !m_frozen )
2125         RefreshRect(wxRect(0, 0, m_width, m_height));
2126 }
2127
2128 // -----------------------------------------------------------------------
2129
2130 bool wxPropertyGrid::EnableCategories( bool enable )
2131 {
2132     ClearSelection(false);
2133
2134     if ( enable )
2135     {
2136         //
2137         // Enable categories
2138         //
2139
2140         m_windowStyle &= ~(wxPG_HIDE_CATEGORIES);
2141     }
2142     else
2143     {
2144         //
2145         // Disable categories
2146         //
2147         m_windowStyle |= wxPG_HIDE_CATEGORIES;
2148     }
2149
2150     if ( !m_pState->EnableCategories(enable) )
2151         return false;
2152
2153     if ( !m_frozen )
2154     {
2155         if ( m_windowStyle & wxPG_AUTO_SORT )
2156         {
2157             m_pState->m_itemsAdded = 1; // force
2158             PrepareAfterItemsAdded();
2159         }
2160     }
2161     else
2162         m_pState->m_itemsAdded = 1;
2163
2164     // No need for RecalculateVirtualSize() here - it is already called in
2165     // wxPropertyGridPageState method above.
2166
2167     Refresh();
2168
2169     return true;
2170 }
2171
2172 // -----------------------------------------------------------------------
2173
2174 void wxPropertyGrid::SwitchState( wxPropertyGridPageState* pNewState )
2175 {
2176     wxASSERT( pNewState );
2177     wxASSERT( pNewState->GetGrid() );
2178
2179     if ( pNewState == m_pState )
2180         return;
2181
2182     wxPGProperty* oldSelection = m_selected;
2183
2184     ClearSelection(false);
2185
2186     m_pState->m_selected = oldSelection;
2187
2188     bool orig_mode = m_pState->IsInNonCatMode();
2189     bool new_state_mode = pNewState->IsInNonCatMode();
2190
2191     m_pState = pNewState;
2192
2193     // Validate width
2194     int pgWidth = GetClientSize().x;
2195     if ( HasVirtualWidth() )
2196     {
2197         int minWidth = pgWidth;
2198         if ( pNewState->m_width < minWidth )
2199         {
2200             pNewState->m_width = minWidth;
2201             pNewState->CheckColumnWidths();
2202         }
2203     }
2204     else
2205     {
2206         //
2207         // Just in case, fully re-center splitter
2208         if ( HasFlag( wxPG_SPLITTER_AUTO_CENTER ) )
2209             pNewState->m_fSplitterX = -1.0;
2210
2211         pNewState->OnClientWidthChange( pgWidth, pgWidth - pNewState->m_width );
2212     }
2213
2214     m_propHover = NULL;
2215
2216     // If necessary, convert state to correct mode.
2217     if ( orig_mode != new_state_mode )
2218     {
2219         // This should refresh as well.
2220         EnableCategories( orig_mode?false:true );
2221     }
2222     else if ( !m_frozen )
2223     {
2224         // Refresh, if not frozen.
2225         m_pState->PrepareAfterItemsAdded();
2226
2227         // Reselect
2228         if ( m_pState->m_selected )
2229             DoSelectProperty( m_pState->m_selected );
2230
2231         RecalculateVirtualSize(0);
2232         Refresh();
2233     }
2234     else
2235         m_pState->m_itemsAdded = 1;
2236 }
2237
2238 // -----------------------------------------------------------------------
2239
2240 // Call to SetSplitterPosition will always disable splitter auto-centering
2241 // if parent window is shown.
2242 void wxPropertyGrid::DoSetSplitterPosition_( int newxpos, bool refresh, int splitterIndex, bool allPages )
2243 {
2244     if ( ( newxpos < wxPG_DRAG_MARGIN ) )
2245         return;
2246
2247     wxPropertyGridPageState* state = m_pState;
2248
2249     state->DoSetSplitterPosition( newxpos, splitterIndex, allPages );
2250
2251     if ( refresh )
2252     {
2253         if ( m_selected )
2254             CorrectEditorWidgetSizeX();
2255
2256         Refresh();
2257     }
2258 }
2259
2260 // -----------------------------------------------------------------------
2261
2262 void wxPropertyGrid::CenterSplitter( bool enableAutoCentering )
2263 {
2264     SetSplitterPosition( m_width/2, true );
2265     if ( enableAutoCentering && ( m_windowStyle & wxPG_SPLITTER_AUTO_CENTER ) )
2266         m_iFlags &= ~(wxPG_FL_DONT_CENTER_SPLITTER);
2267 }
2268
2269 // -----------------------------------------------------------------------
2270 // wxPropertyGrid item iteration (GetNextProperty etc.) methods
2271 // -----------------------------------------------------------------------
2272
2273 // Returns nearest paint visible property (such that will be painted unless
2274 // window is scrolled or resized). If given property is paint visible, then
2275 // it itself will be returned
2276 wxPGProperty* wxPropertyGrid::GetNearestPaintVisible( wxPGProperty* p ) const
2277 {
2278     int vx,vy1;// Top left corner of client
2279     GetViewStart(&vx,&vy1);
2280     vy1 *= wxPG_PIXELS_PER_UNIT;
2281
2282     int vy2 = vy1 + m_height;
2283     int propY = p->GetY2(m_lineHeight);
2284
2285     if ( (propY + m_lineHeight) < vy1 )
2286     {
2287     // Too high
2288         return DoGetItemAtY( vy1 );
2289     }
2290     else if ( propY > vy2 )
2291     {
2292     // Too low
2293         return DoGetItemAtY( vy2 );
2294     }
2295
2296     // Itself paint visible
2297     return p;
2298
2299 }
2300
2301 // -----------------------------------------------------------------------
2302 // Methods related to change in value, value modification and sending events
2303 // -----------------------------------------------------------------------
2304
2305 // commits any changes in editor of selected property
2306 // return true if validation did not fail
2307 // flags are same as with DoSelectProperty
2308 bool wxPropertyGrid::CommitChangesFromEditor( wxUint32 flags )
2309 {
2310     // Committing already?
2311     if ( m_inCommitChangesFromEditor )
2312         return true;
2313
2314     // Don't do this if already processing editor event. It might
2315     // induce recursive dialogs and crap like that.
2316     if ( m_iFlags & wxPG_FL_IN_HANDLECUSTOMEDITOREVENT )
2317     {
2318         if ( m_inDoPropertyChanged )
2319             return true;
2320
2321         return false;
2322     }
2323
2324     if ( m_wndEditor &&
2325          IsEditorsValueModified() &&
2326          (m_iFlags & wxPG_FL_INITIALIZED) &&
2327          m_selected )
2328     {
2329         m_inCommitChangesFromEditor = 1;
2330
2331         wxVariant variant(m_selected->GetValueRef());
2332         bool valueIsPending = false;
2333
2334         // JACS - necessary to avoid new focus being found spuriously within OnIdle
2335         // due to another window getting focus
2336         wxWindow* oldFocus = m_curFocused;
2337
2338         bool validationFailure = false;
2339         bool forceSuccess = (flags & (wxPG_SEL_NOVALIDATE|wxPG_SEL_FORCE)) ? true : false;
2340
2341         m_chgInfo_changedProperty = NULL;
2342
2343         // If truly modified, schedule value as pending.
2344         if ( m_selected->GetEditorClass()->GetValueFromControl( variant, m_selected, GetEditorControl() ) )
2345         {
2346             if ( DoEditorValidate() &&
2347                  PerformValidation(m_selected, variant) )
2348             {
2349                 valueIsPending = true;
2350             }
2351             else
2352             {
2353                 validationFailure = true;
2354             }
2355         }
2356         else
2357         {
2358             EditorsValueWasNotModified();
2359         }
2360
2361         bool res = true;
2362
2363         m_inCommitChangesFromEditor = 0;
2364
2365         if ( validationFailure && !forceSuccess )
2366         {
2367             if (oldFocus)
2368             {
2369                 oldFocus->SetFocus();
2370                 m_curFocused = oldFocus;
2371             }
2372
2373             res = OnValidationFailure(m_selected, variant);
2374
2375             // Now prevent further validation failure messages
2376             if ( res )
2377             {
2378                 EditorsValueWasNotModified();
2379                 OnValidationFailureReset(m_selected);
2380             }
2381         }
2382         else if ( valueIsPending )
2383         {
2384             DoPropertyChanged( m_selected, flags );
2385             EditorsValueWasNotModified();
2386         }
2387
2388         return res;
2389     }
2390
2391     return true;
2392 }
2393
2394 // -----------------------------------------------------------------------
2395
2396 bool wxPropertyGrid::PerformValidation( wxPGProperty* p, wxVariant& pendingValue,
2397                                         int flags )
2398 {
2399     //
2400     // Runs all validation functionality.
2401     // Returns true if value passes all tests.
2402     //
2403
2404     m_validationInfo.m_failureBehavior = m_permanentValidationFailureBehavior;
2405
2406     if ( pendingValue.GetType() == wxPG_VARIANT_TYPE_LIST )
2407     {
2408         if ( !p->ValidateValue(pendingValue, m_validationInfo) )
2409             return false;
2410     }
2411
2412     //
2413     // Adapt list to child values, if necessary
2414     wxVariant listValue = pendingValue;
2415     wxVariant* pPendingValue = &pendingValue;
2416     wxVariant* pList = NULL;
2417
2418     // If parent has wxPG_PROP_AGGREGATE flag, or uses composite
2419     // string value, then we need treat as it was changed instead
2420     // (or, in addition, as is the case with composite string parent).
2421     // This includes creating list variant for child values.
2422
2423     wxPGProperty* pwc = p->GetParent();
2424     wxPGProperty* changedProperty = p;
2425     wxPGProperty* baseChangedProperty = changedProperty;
2426     wxVariant bcpPendingList;
2427
2428     listValue = pendingValue;
2429     listValue.SetName(p->GetBaseName());
2430
2431     while ( pwc &&
2432             (pwc->HasFlag(wxPG_PROP_AGGREGATE) || pwc->HasFlag(wxPG_PROP_COMPOSED_VALUE)) )
2433     {
2434         wxVariantList tempList;
2435         wxVariant lv(tempList, pwc->GetBaseName());
2436         lv.Append(listValue);
2437         listValue = lv;
2438         pPendingValue = &listValue;
2439
2440         if ( pwc->HasFlag(wxPG_PROP_AGGREGATE) )
2441         {
2442             baseChangedProperty = pwc;
2443             bcpPendingList = lv;
2444         }
2445
2446         changedProperty = pwc;
2447         pwc = pwc->GetParent();
2448     }
2449
2450     wxVariant value;
2451     wxPGProperty* evtChangingProperty = changedProperty;
2452
2453     if ( pPendingValue->GetType() != wxPG_VARIANT_TYPE_LIST )
2454     {
2455         value = *pPendingValue;
2456     }
2457     else
2458     {
2459         // Convert list to child values
2460         pList = pPendingValue;
2461         changedProperty->AdaptListToValue( *pPendingValue, &value );
2462     }
2463
2464     wxVariant evtChangingValue = value;
2465
2466     if ( flags & SendEvtChanging )
2467     {
2468         // FIXME: After proper ValueToString()s added, remove
2469         // this. It is just a temporary fix, as evt_changing
2470         // will simply not work for wxPG_PROP_COMPOSED_VALUE
2471         // (unless it is selected, and textctrl editor is open).
2472         if ( changedProperty->HasFlag(wxPG_PROP_COMPOSED_VALUE) )
2473         {
2474             evtChangingProperty = baseChangedProperty;
2475             if ( evtChangingProperty != p )
2476             {
2477                 evtChangingProperty->AdaptListToValue( bcpPendingList, &evtChangingValue );
2478             }
2479             else
2480             {
2481                 evtChangingValue = pendingValue;
2482             }
2483         }
2484
2485         if ( evtChangingProperty->HasFlag(wxPG_PROP_COMPOSED_VALUE) )
2486         {
2487             if ( changedProperty == m_selected )
2488             {
2489                 wxWindow* editor = GetEditorControl();
2490                 wxASSERT( editor->IsKindOf(CLASSINFO(wxTextCtrl)) );
2491                 evtChangingValue = wxStaticCast(editor, wxTextCtrl)->GetValue();
2492             }
2493             else
2494             {
2495                 wxLogDebug(wxT("WARNING: wxEVT_PG_CHANGING is about to happen with old value."));
2496             }
2497         }
2498     }
2499
2500     wxASSERT( m_chgInfo_changedProperty == NULL );
2501     m_chgInfo_changedProperty = changedProperty;
2502     m_chgInfo_baseChangedProperty = baseChangedProperty;
2503     m_chgInfo_pendingValue = value;
2504
2505     if ( pList )
2506         m_chgInfo_valueList = *pList;
2507     else
2508         m_chgInfo_valueList.MakeNull();
2509
2510     // If changedProperty is not property which value was edited,
2511     // then call wxPGProperty::ValidateValue() for that as well.
2512     if ( p != changedProperty && value.GetType() != wxPG_VARIANT_TYPE_LIST )
2513     {
2514         if ( !changedProperty->ValidateValue(value, m_validationInfo) )
2515             return false;
2516     }
2517
2518     if ( flags & SendEvtChanging )
2519     {
2520         // SendEvent returns true if event was vetoed
2521         if ( SendEvent( wxEVT_PG_CHANGING, evtChangingProperty, &evtChangingValue, 0 ) )
2522             return false;
2523     }
2524
2525     if ( flags & IsStandaloneValidation )
2526     {
2527         // If called in 'generic' context, we need to reset
2528         // m_chgInfo_changedProperty and write back translated value.
2529         m_chgInfo_changedProperty = NULL;
2530         pendingValue = value;
2531     }
2532
2533     return true;
2534 }
2535
2536 // -----------------------------------------------------------------------
2537
2538 void wxPropertyGrid::DoShowPropertyError( wxPGProperty* WXUNUSED(property), const wxString& msg )
2539 {
2540     if ( !msg.length() )
2541         return;
2542
2543 #if wxUSE_STATUSBAR
2544     if ( !wxPGGlobalVars->m_offline )
2545     {
2546         wxWindow* topWnd = ::wxGetTopLevelParent(this);
2547         if ( topWnd )
2548         {
2549             wxFrame* pFrame = wxDynamicCast(topWnd, wxFrame);
2550             if ( pFrame )
2551             {
2552                 wxStatusBar* pStatusBar = pFrame->GetStatusBar();
2553                 if ( pStatusBar )
2554                 {
2555                     pStatusBar->SetStatusText(msg);
2556                     return;
2557                 }
2558             }
2559         }
2560     }
2561 #endif
2562
2563     ::wxMessageBox(msg, _T("Property Error"));
2564 }
2565
2566 // -----------------------------------------------------------------------
2567
2568 bool wxPropertyGrid::OnValidationFailure( wxPGProperty* property,
2569                                           wxVariant& invalidValue )
2570 {
2571     wxWindow* editor = GetEditorControl();
2572
2573     // First call property's handler
2574     property->OnValidationFailure(invalidValue);
2575
2576     bool res = DoOnValidationFailure(property, invalidValue);
2577
2578     //
2579     // For non-wxTextCtrl editors, we do need to revert the value
2580     if ( !editor->IsKindOf(CLASSINFO(wxTextCtrl)) &&
2581          property == m_selected )
2582     {
2583         property->GetEditorClass()->UpdateControl(property, editor);
2584     }
2585
2586     property->SetFlag(wxPG_PROP_INVALID_VALUE);
2587
2588     return res;
2589 }
2590
2591 bool wxPropertyGrid::DoOnValidationFailure( wxPGProperty* property, wxVariant& WXUNUSED(invalidValue) )
2592 {
2593     int vfb = m_validationInfo.m_failureBehavior;
2594
2595     if ( vfb & wxPG_VFB_BEEP )
2596         ::wxBell();
2597
2598     if ( (vfb & wxPG_VFB_MARK_CELL) &&
2599          !property->HasFlag(wxPG_PROP_INVALID_VALUE) )
2600     {
2601         unsigned int colCount = m_pState->GetColumnCount();
2602
2603         // We need backup marked property's cells
2604         m_propCellsBackup = property->m_cells;
2605
2606         wxColour vfbFg = *wxWHITE;
2607         wxColour vfbBg = *wxRED;
2608
2609         property->EnsureCells(colCount);
2610
2611         for ( unsigned int i=0; i<colCount; i++ )
2612         {
2613             wxPGCell& cell = property->m_cells[i];
2614             cell.SetFgCol(vfbFg);
2615             cell.SetBgCol(vfbBg);
2616         }
2617
2618         DrawItemAndChildren(property);
2619
2620         if ( property == m_selected )
2621         {
2622             SetInternalFlag(wxPG_FL_CELL_OVERRIDES_SEL);
2623
2624             wxWindow* editor = GetEditorControl();
2625             if ( editor )
2626             {
2627                 editor->SetForegroundColour(vfbFg);
2628                 editor->SetBackgroundColour(vfbBg);
2629             }
2630         }
2631     }
2632
2633     if ( vfb & wxPG_VFB_SHOW_MESSAGE )
2634     {
2635         wxString msg = m_validationInfo.m_failureMessage;
2636
2637         if ( !msg.length() )
2638             msg = _T("You have entered invalid value. Press ESC to cancel editing.");
2639
2640         DoShowPropertyError(property, msg);
2641     }
2642
2643     return (vfb & wxPG_VFB_STAY_IN_PROPERTY) ? false : true;
2644 }
2645
2646 // -----------------------------------------------------------------------
2647
2648 void wxPropertyGrid::DoOnValidationFailureReset( wxPGProperty* property )
2649 {
2650     int vfb = m_validationInfo.m_failureBehavior;
2651
2652     if ( vfb & wxPG_VFB_MARK_CELL )
2653     {
2654         // Revert cells
2655         property->m_cells = m_propCellsBackup;
2656
2657         ClearInternalFlag(wxPG_FL_CELL_OVERRIDES_SEL);
2658
2659         if ( property == m_selected && GetEditorControl() )
2660         {
2661             // Calling this will recreate the control, thus resetting its colour
2662             RefreshProperty(property);
2663         }
2664         else
2665         {
2666             DrawItemAndChildren(property);
2667         }
2668     }
2669 }
2670
2671 // -----------------------------------------------------------------------
2672
2673 // flags are same as with DoSelectProperty
2674 bool wxPropertyGrid::DoPropertyChanged( wxPGProperty* p, unsigned int selFlags )
2675 {
2676     if ( m_inDoPropertyChanged )
2677         return true;
2678
2679     wxWindow* editor = GetEditorControl();
2680
2681     m_pState->m_anyModified = 1;
2682
2683     m_inDoPropertyChanged = 1;
2684
2685     // Maybe need to update control
2686     wxASSERT( m_chgInfo_changedProperty != NULL );
2687
2688     // These values were calculated in PerformValidation()
2689     wxPGProperty* changedProperty = m_chgInfo_changedProperty;
2690     wxVariant value = m_chgInfo_pendingValue;
2691
2692     wxPGProperty* topPaintedProperty = changedProperty;
2693
2694     while ( !topPaintedProperty->IsCategory() &&
2695             !topPaintedProperty->IsRoot() )
2696     {
2697         topPaintedProperty = topPaintedProperty->GetParent();
2698     }
2699
2700     changedProperty->SetValue(value, &m_chgInfo_valueList, wxPG_SETVAL_BY_USER);
2701
2702     // Set as Modified (not if dragging just began)
2703     if ( !(p->m_flags & wxPG_PROP_MODIFIED) )
2704     {
2705         p->m_flags |= wxPG_PROP_MODIFIED;
2706         if ( p == m_selected && (m_windowStyle & wxPG_BOLD_MODIFIED) )
2707         {
2708             if ( editor )
2709                 SetCurControlBoldFont();
2710         }
2711     }
2712
2713     wxPGProperty* pwc;
2714
2715     // Propagate updates to parent(s)
2716     pwc = p;
2717     wxPGProperty* prevPwc = NULL;
2718
2719     while ( prevPwc != topPaintedProperty )
2720     {
2721         pwc->m_flags |= wxPG_PROP_MODIFIED;
2722
2723         if ( pwc == m_selected && (m_windowStyle & wxPG_BOLD_MODIFIED) )
2724         {
2725             if ( editor )
2726                 SetCurControlBoldFont();
2727         }
2728
2729         prevPwc = pwc;
2730         pwc = pwc->GetParent();
2731     }
2732
2733     // Draw the actual property
2734     DrawItemAndChildren( topPaintedProperty );
2735
2736     //
2737     // If value was set by wxPGProperty::OnEvent, then update the editor
2738     // control.
2739     if ( selFlags & wxPG_SEL_DIALOGVAL )
2740     {
2741         RefreshEditor();
2742     }
2743     else
2744     {
2745 #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
2746         if ( m_wndEditor ) m_wndEditor->Refresh();
2747         if ( m_wndEditor2 ) m_wndEditor2->Refresh();
2748 #endif
2749     }
2750
2751     // Sanity check
2752     wxASSERT( !changedProperty->GetParent()->HasFlag(wxPG_PROP_AGGREGATE) );
2753
2754     // If top parent has composite string value, then send to child parents,
2755     // starting from baseChangedProperty.
2756     if ( changedProperty->HasFlag(wxPG_PROP_COMPOSED_VALUE) )
2757     {
2758         pwc = m_chgInfo_baseChangedProperty;
2759
2760         while ( pwc != changedProperty )
2761         {
2762             SendEvent( wxEVT_PG_CHANGED, pwc, NULL, selFlags );
2763             pwc = pwc->GetParent();
2764         }
2765     }
2766
2767     SendEvent( wxEVT_PG_CHANGED, changedProperty, NULL, selFlags );
2768
2769     m_inDoPropertyChanged = 0;
2770
2771     return true;
2772 }
2773
2774 // -----------------------------------------------------------------------
2775
2776 bool wxPropertyGrid::ChangePropertyValue( wxPGPropArg id, wxVariant newValue )
2777 {
2778     wxPG_PROP_ARG_CALL_PROLOG_RETVAL(false)
2779
2780     m_chgInfo_changedProperty = NULL;
2781
2782     if ( PerformValidation(p, newValue) )
2783     {
2784         DoPropertyChanged(p);
2785         return true;
2786     }
2787     else
2788     {
2789         OnValidationFailure(p, newValue);
2790     }
2791
2792     return false;
2793 }
2794
2795 // -----------------------------------------------------------------------
2796
2797 wxVariant wxPropertyGrid::GetUncommittedPropertyValue()
2798 {
2799     wxPGProperty* prop = GetSelectedProperty();
2800
2801     if ( !prop )
2802         return wxNullVariant;
2803
2804     wxTextCtrl* tc = GetEditorTextCtrl();
2805     wxVariant value = prop->GetValue();
2806
2807     if ( !tc || !IsEditorsValueModified() )
2808         return value;
2809
2810     if ( !prop->StringToValue(value, tc->GetValue()) )
2811         return value;
2812
2813     if ( !PerformValidation(prop, value, IsStandaloneValidation) )
2814         return prop->GetValue();
2815
2816     return value;
2817 }
2818
2819 // -----------------------------------------------------------------------
2820
2821 // Runs wxValidator for the selected property
2822 bool wxPropertyGrid::DoEditorValidate()
2823 {
2824     return true;
2825 }
2826
2827 // -----------------------------------------------------------------------
2828
2829 void wxPropertyGrid::HandleCustomEditorEvent( wxEvent &event )
2830 {
2831     wxPGProperty* selected = m_selected;
2832
2833     // Somehow, event is handled after property has been deselected.
2834     // Possibly, but very rare.
2835     if ( !selected )
2836         return;
2837
2838     if ( m_iFlags & wxPG_FL_IN_HANDLECUSTOMEDITOREVENT )
2839         return;
2840
2841     wxVariant pendingValue(selected->GetValueRef());
2842     wxWindow* wnd = GetEditorControl();
2843     wxWindow* editorWnd = wxDynamicCast(event.GetEventObject(), wxWindow);
2844     int selFlags = 0;
2845     bool wasUnspecified = selected->IsValueUnspecified();
2846     int usesAutoUnspecified = selected->UsesAutoUnspecified();
2847     bool valueIsPending = false;
2848
2849     m_chgInfo_changedProperty = NULL;
2850
2851     m_iFlags &= ~(wxPG_FL_VALIDATION_FAILED|wxPG_FL_VALUE_CHANGE_IN_EVENT);
2852
2853     //
2854     // Filter out excess wxTextCtrl modified events
2855     if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED &&
2856          wnd &&
2857          wnd->IsKindOf(CLASSINFO(wxTextCtrl)) )
2858     {
2859         wxTextCtrl* tc = (wxTextCtrl*) wnd;
2860
2861         wxString newTcValue = tc->GetValue();
2862         if ( m_prevTcValue == newTcValue )
2863             return;
2864
2865         m_prevTcValue = newTcValue;
2866     }
2867
2868     SetInternalFlag(wxPG_FL_IN_HANDLECUSTOMEDITOREVENT);
2869
2870     bool validationFailure = false;
2871     bool buttonWasHandled = false;
2872
2873     //
2874     // Try common button handling
2875     if ( m_wndEditor2 && event.GetEventType() == wxEVT_COMMAND_BUTTON_CLICKED )
2876     {
2877         wxPGEditorDialogAdapter* adapter = selected->GetEditorDialog();
2878
2879         if ( adapter )
2880         {
2881             buttonWasHandled = true;
2882             // Store as res2, as previously (and still currently alternatively)
2883             // dialogs can be shown by handling wxEVT_COMMAND_BUTTON_CLICKED
2884             // in wxPGProperty::OnEvent().
2885             adapter->ShowDialog( this, selected );
2886             delete adapter;
2887         }
2888     }
2889
2890     if ( !buttonWasHandled )
2891     {
2892         if ( wnd || m_wndEditor2 )
2893         {
2894             // First call editor class' event handler.
2895             const wxPGEditor* editor = selected->GetEditorClass();
2896
2897             if ( editor->OnEvent( this, selected, editorWnd, event ) )
2898             {
2899                 // If changes, validate them
2900                 if ( DoEditorValidate() )
2901                 {
2902                     if ( editor->GetValueFromControl( pendingValue,
2903                                                       m_selected,
2904                                                       wnd ) )
2905                         valueIsPending = true;
2906                 }
2907                 else
2908                 {
2909                     validationFailure = true;
2910                 }
2911             }
2912         }
2913
2914         // Then the property's custom handler (must be always called, unless
2915         // validation failed).
2916         if ( !validationFailure )
2917             buttonWasHandled = selected->OnEvent( this, editorWnd, event );
2918     }
2919
2920     // SetValueInEvent(), as called in one of the functions referred above
2921     // overrides editor's value.
2922     if ( m_iFlags & wxPG_FL_VALUE_CHANGE_IN_EVENT )
2923     {
2924         valueIsPending = true;
2925         pendingValue = m_changeInEventValue;
2926         selFlags |= wxPG_SEL_DIALOGVAL;
2927     }
2928
2929     if ( !validationFailure && valueIsPending )
2930         if ( !PerformValidation(m_selected, pendingValue) )
2931             validationFailure = true;
2932
2933     if ( validationFailure)
2934     {
2935         OnValidationFailure(selected, pendingValue);
2936     }
2937     else if ( valueIsPending )
2938     {
2939         selFlags |= ( !wasUnspecified && selected->IsValueUnspecified() && usesAutoUnspecified ) ? wxPG_SEL_SETUNSPEC : 0;
2940
2941         DoPropertyChanged(selected, selFlags);
2942         EditorsValueWasNotModified();
2943
2944         // Regardless of editor type, unfocus editor on
2945         // text-editing related enter press.
2946         if ( event.GetEventType() == wxEVT_COMMAND_TEXT_ENTER )
2947         {
2948             SetFocusOnCanvas();
2949         }
2950     }
2951     else
2952     {
2953         // No value after all
2954
2955         // Regardless of editor type, unfocus editor on
2956         // text-editing related enter press.
2957         if ( event.GetEventType() == wxEVT_COMMAND_TEXT_ENTER )
2958         {
2959             SetFocusOnCanvas();
2960         }
2961
2962         // Let unhandled button click events go to the parent
2963         if ( !buttonWasHandled && event.GetEventType() == wxEVT_COMMAND_BUTTON_CLICKED )
2964         {
2965             wxCommandEvent evt(wxEVT_COMMAND_BUTTON_CLICKED,GetId());
2966             GetEventHandler()->AddPendingEvent(evt);
2967         }
2968     }
2969
2970     ClearInternalFlag(wxPG_FL_IN_HANDLECUSTOMEDITOREVENT);
2971 }
2972
2973 // -----------------------------------------------------------------------
2974 // wxPropertyGrid editor control helper methods
2975 // -----------------------------------------------------------------------
2976
2977 wxRect wxPropertyGrid::GetEditorWidgetRect( wxPGProperty* p, int column ) const
2978 {
2979     int itemy = p->GetY2(m_lineHeight);
2980     int vy = 0;
2981     int splitterX = m_pState->DoGetSplitterPosition(column-1);
2982     int colEnd = splitterX + m_pState->m_colWidths[column];
2983     int imageOffset = 0;
2984
2985     // TODO: If custom image detection changes from current, change this.
2986     if ( m_iFlags & wxPG_FL_CUR_USES_CUSTOM_IMAGE )
2987     {
2988         //m_iFlags |= wxPG_FL_CUR_USES_CUSTOM_IMAGE;
2989         int iw = p->OnMeasureImage().x;
2990         if ( iw < 1 )
2991             iw = wxPG_CUSTOM_IMAGE_WIDTH;
2992         imageOffset = p->GetImageOffset(iw);
2993     }
2994
2995     return wxRect
2996       (
2997         splitterX+imageOffset+wxPG_XBEFOREWIDGET+wxPG_CONTROL_MARGIN+1,
2998         itemy-vy,
2999         colEnd-splitterX-wxPG_XBEFOREWIDGET-wxPG_CONTROL_MARGIN-imageOffset-1,
3000         m_lineHeight-1
3001       );
3002 }
3003
3004 // -----------------------------------------------------------------------
3005
3006 wxRect wxPropertyGrid::GetImageRect( wxPGProperty* p, int item ) const
3007 {
3008     wxSize sz = GetImageSize(p, item);
3009     return wxRect(wxPG_CONTROL_MARGIN + wxCC_CUSTOM_IMAGE_MARGIN1,
3010                   wxPG_CUSTOM_IMAGE_SPACINGY,
3011                   sz.x,
3012                   sz.y);
3013 }
3014
3015 // return size of custom paint image
3016 wxSize wxPropertyGrid::GetImageSize( wxPGProperty* p, int item ) const
3017 {
3018     // If called with NULL property, then return default image
3019     // size for properties that use image.
3020     if ( !p )
3021         return wxSize(wxPG_CUSTOM_IMAGE_WIDTH,wxPG_STD_CUST_IMAGE_HEIGHT(m_lineHeight));
3022
3023     wxSize cis = p->OnMeasureImage(item);
3024
3025     int choiceCount = p->m_choices.GetCount();
3026     int comVals = p->GetDisplayedCommonValueCount();
3027     if ( item >= choiceCount && comVals > 0 )
3028     {
3029         unsigned int cvi = item-choiceCount;
3030         cis = GetCommonValue(cvi)->GetRenderer()->GetImageSize(NULL, 1, cvi);
3031     }
3032     else if ( item >= 0 && choiceCount == 0 )
3033         return wxSize(0, 0);
3034
3035     if ( cis.x < 0 )
3036     {
3037         if ( cis.x <= -1 )
3038             cis.x = wxPG_CUSTOM_IMAGE_WIDTH;
3039     }
3040     if ( cis.y <= 0 )
3041     {
3042         if ( cis.y >= -1 )
3043             cis.y = wxPG_STD_CUST_IMAGE_HEIGHT(m_lineHeight);
3044         else
3045             cis.y = -cis.y;
3046     }
3047     return cis;
3048 }
3049
3050 // -----------------------------------------------------------------------
3051
3052 // takes scrolling into account
3053 void wxPropertyGrid::ImprovedClientToScreen( int* px, int* py )
3054 {
3055     int vx, vy;
3056     GetViewStart(&vx,&vy);
3057     vy*=wxPG_PIXELS_PER_UNIT;
3058     vx*=wxPG_PIXELS_PER_UNIT;
3059     *px -= vx;
3060     *py -= vy;
3061     ClientToScreen( px, py );
3062 }
3063
3064 // -----------------------------------------------------------------------
3065
3066 wxPropertyGridHitTestResult wxPropertyGrid::HitTest( const wxPoint& pt ) const
3067 {
3068     wxPoint pt2;
3069     GetViewStart(&pt2.x,&pt2.y);
3070     pt2.x *= wxPG_PIXELS_PER_UNIT;
3071     pt2.y *= wxPG_PIXELS_PER_UNIT;
3072     pt2.x += pt.x;
3073     pt2.y += pt.y;
3074
3075     return m_pState->HitTest(pt2);
3076 }
3077
3078 // -----------------------------------------------------------------------
3079
3080 // custom set cursor
3081 void wxPropertyGrid::CustomSetCursor( int type, bool override )
3082 {
3083     if ( type == m_curcursor && !override ) return;
3084
3085     wxCursor* cursor = &wxPG_DEFAULT_CURSOR;
3086
3087     if ( type == wxCURSOR_SIZEWE )
3088         cursor = m_cursorSizeWE;
3089
3090     m_canvas->SetCursor( *cursor );
3091
3092     m_curcursor = type;
3093 }
3094
3095 // -----------------------------------------------------------------------
3096 // wxPropertyGrid property selection, editor creation
3097 // -----------------------------------------------------------------------
3098
3099 //
3100 // This class forwards events from property editor controls to wxPropertyGrid.
3101 class wxPropertyGridEditorEventForwarder : public wxEvtHandler
3102 {
3103 public:
3104     wxPropertyGridEditorEventForwarder( wxPropertyGrid* propGrid )
3105         : wxEvtHandler(), m_propGrid(propGrid)
3106     {
3107     }
3108
3109     virtual ~wxPropertyGridEditorEventForwarder()
3110     {
3111     }
3112
3113 private:
3114     bool ProcessEvent( wxEvent& event )
3115     {
3116         // Always skip
3117         event.Skip();
3118
3119         m_propGrid->HandleCustomEditorEvent(event);
3120
3121         return wxEvtHandler::ProcessEvent(event);
3122     }
3123
3124     wxPropertyGrid*         m_propGrid;
3125 };
3126
3127 // Setups event handling for child control
3128 void wxPropertyGrid::SetupChildEventHandling( wxWindow* argWnd )
3129 {
3130     wxWindowID id = argWnd->GetId();
3131
3132     if ( argWnd == m_wndEditor )
3133     {
3134         argWnd->Connect(id, wxEVT_MOTION,
3135             wxMouseEventHandler(wxPropertyGrid::OnMouseMoveChild),
3136             NULL, this);
3137         argWnd->Connect(id, wxEVT_LEFT_UP,
3138             wxMouseEventHandler(wxPropertyGrid::OnMouseUpChild),
3139             NULL, this);
3140         argWnd->Connect(id, wxEVT_LEFT_DOWN,
3141             wxMouseEventHandler(wxPropertyGrid::OnMouseClickChild),
3142             NULL, this);
3143         argWnd->Connect(id, wxEVT_RIGHT_UP,
3144             wxMouseEventHandler(wxPropertyGrid::OnMouseRightClickChild),
3145             NULL, this);
3146         argWnd->Connect(id, wxEVT_ENTER_WINDOW,
3147             wxMouseEventHandler(wxPropertyGrid::OnMouseEntry),
3148             NULL, this);
3149         argWnd->Connect(id, wxEVT_LEAVE_WINDOW,
3150             wxMouseEventHandler(wxPropertyGrid::OnMouseEntry),
3151             NULL, this);
3152     }
3153
3154     wxPropertyGridEditorEventForwarder* forwarder;
3155     forwarder = new wxPropertyGridEditorEventForwarder(this);
3156     argWnd->PushEventHandler(forwarder);
3157
3158     argWnd->Connect(id, wxEVT_KEY_DOWN,
3159         wxCharEventHandler(wxPropertyGrid::OnChildKeyDown),
3160         NULL, this);
3161 }
3162
3163 void wxPropertyGrid::FreeEditors()
3164 {
3165     //
3166     // Return focus back to canvas from children (this is required at least for
3167     // GTK+, which, unlike Windows, clears focus when control is destroyed
3168     // instead of moving it to closest parent).
3169     wxWindow* focus = wxWindow::FindFocus();
3170     if ( focus )
3171     {
3172         wxWindow* parent = focus->GetParent();
3173         while ( parent )
3174         {
3175             if ( parent == m_canvas )
3176             {
3177                 SetFocusOnCanvas();
3178                 break;
3179             }
3180             parent = parent->GetParent();
3181         }
3182     }
3183
3184     // Do not free editors immediately if processing events
3185     if ( m_wndEditor2 )
3186     {
3187         wxEvtHandler* handler = m_wndEditor2->PopEventHandler(false);
3188         m_wndEditor2->Hide();
3189         wxPendingDelete.Append( handler );
3190         wxPendingDelete.Append( m_wndEditor2 );
3191         m_wndEditor2 = NULL;
3192     }
3193
3194     if ( m_wndEditor )
3195     {
3196         wxEvtHandler* handler = m_wndEditor->PopEventHandler(false);
3197         m_wndEditor->Hide();
3198         wxPendingDelete.Append( handler );
3199         wxPendingDelete.Append( m_wndEditor );
3200         m_wndEditor = NULL;
3201     }
3202 }
3203
3204 // Call with NULL to de-select property
3205 bool wxPropertyGrid::DoSelectProperty( wxPGProperty* p, unsigned int flags )
3206 {
3207     /*
3208     if (p)
3209         wxLogDebug(wxT("SelectProperty( %s (%s[%i]) )"),p->m_label.c_str(),
3210             p->m_parent->m_label.c_str(),p->GetIndexInParent());
3211     else
3212         wxLogDebug(wxT("SelectProperty( NULL, -1 )"));
3213     */
3214
3215     if ( m_inDoSelectProperty )
3216         return true;
3217
3218     m_inDoSelectProperty = 1;
3219
3220     wxPGProperty* prev = m_selected;
3221
3222     if ( !m_pState )
3223     {
3224         m_inDoSelectProperty = 0;
3225         return false;
3226     }
3227
3228 /*
3229     if (m_selected)
3230         wxPrintf( "Selected %s\n", m_selected->GetClassInfo()->GetClassName() );
3231     else
3232         wxPrintf( "None selected\n" );
3233
3234     if (p)
3235         wxPrintf( "P =  %s\n", p->GetClassInfo()->GetClassName() );
3236     else
3237         wxPrintf( "P = NULL\n" );
3238 */
3239
3240     // If we are frozen, then just set the values.
3241     if ( m_frozen )
3242     {
3243         m_iFlags &= ~(wxPG_FL_ABNORMAL_EDITOR);
3244         m_editorFocused = 0;
3245         m_selected = p;
3246         m_selColumn = 1;
3247         m_pState->m_selected = p;
3248
3249         // If frozen, always free controls. But don't worry, as Thaw will
3250         // recall SelectProperty to recreate them.
3251         FreeEditors();
3252
3253         // Prevent any further selection measures in this call
3254         p = NULL;
3255     }
3256     else
3257     {
3258         // Is it the same?
3259         if ( m_selected == p && !(flags & wxPG_SEL_FORCE) )
3260         {
3261             // Only set focus if not deselecting
3262             if ( p )
3263             {
3264                 if ( flags & wxPG_SEL_FOCUS )
3265                 {
3266                     if ( m_wndEditor )
3267                     {
3268                         m_wndEditor->SetFocus();
3269                         m_editorFocused = 1;
3270                     }
3271                 }
3272                 else
3273                 {
3274                     SetFocusOnCanvas();
3275                 }
3276             }
3277
3278             m_inDoSelectProperty = 0;
3279             return true;
3280         }
3281
3282         //
3283         // First, deactivate previous
3284         if ( m_selected )
3285         {
3286
3287             OnValidationFailureReset(m_selected);
3288
3289             // Must double-check if this is an selected in case of forceswitch
3290             if ( p != prev )
3291             {
3292                 if ( !CommitChangesFromEditor(flags) )
3293                 {
3294                     // Validation has failed, so we can't exit the previous editor
3295                     //::wxMessageBox(_("Please correct the value or press ESC to cancel the edit."),
3296                     //               _("Invalid Value"),wxOK|wxICON_ERROR);
3297                     m_inDoSelectProperty = 0;
3298                     return false;
3299                 }
3300             }
3301
3302             FreeEditors();
3303             m_selColumn = -1;
3304
3305             m_selected = NULL;
3306             m_pState->m_selected = NULL;
3307
3308             // We need to always fully refresh the grid here
3309             Refresh(false);
3310
3311             m_iFlags &= ~(wxPG_FL_ABNORMAL_EDITOR);
3312             EditorsValueWasNotModified();
3313         }
3314
3315         SetInternalFlag(wxPG_FL_IN_SELECT_PROPERTY);
3316
3317         //
3318         // Then, activate the one given.
3319         if ( p )
3320         {
3321             int propY = p->GetY2(m_lineHeight);
3322
3323             int splitterX = GetSplitterPosition();
3324             m_editorFocused = 0;
3325             m_selected = p;
3326             m_pState->m_selected = p;
3327             m_iFlags |= wxPG_FL_PRIMARY_FILLS_ENTIRE;
3328             if ( p != prev )
3329                 m_iFlags &= ~(wxPG_FL_VALIDATION_FAILED);
3330
3331             wxASSERT( m_wndEditor == NULL );
3332
3333             //
3334             // Only create editor for non-disabled non-caption
3335             if ( !p->IsCategory() && !(p->m_flags & wxPG_PROP_DISABLED) )
3336             {
3337             // do this for non-caption items
3338
3339                 m_selColumn = 1;
3340
3341                 // Do we need to paint the custom image, if any?
3342                 m_iFlags &= ~(wxPG_FL_CUR_USES_CUSTOM_IMAGE);
3343                 if ( (p->m_flags & wxPG_PROP_CUSTOMIMAGE) &&
3344                      !p->GetEditorClass()->CanContainCustomImage()
3345                    )
3346                     m_iFlags |= wxPG_FL_CUR_USES_CUSTOM_IMAGE;
3347
3348                 wxRect grect = GetEditorWidgetRect(p, m_selColumn);
3349                 wxPoint goodPos = grect.GetPosition();
3350             #if wxPG_CREATE_CONTROLS_HIDDEN
3351                 int coord_adjust = m_height - goodPos.y;
3352                 goodPos.y += coord_adjust;
3353             #endif
3354
3355                 const wxPGEditor* editor = p->GetEditorClass();
3356                 wxCHECK_MSG(editor, false,
3357                     wxT("NULL editor class not allowed"));
3358
3359                 m_iFlags &= ~wxPG_FL_FIXED_WIDTH_EDITOR;
3360
3361                 wxPGWindowList wndList = editor->CreateControls(this,
3362                                                                 p,
3363                                                                 goodPos,
3364                                                                 grect.GetSize());
3365
3366                 m_wndEditor = wndList.m_primary;
3367                 m_wndEditor2 = wndList.m_secondary;
3368                 wxWindow* primaryCtrl = GetEditorControl();
3369
3370                 //
3371                 // Essentially, primaryCtrl == m_wndEditor
3372                 //
3373
3374                 // NOTE: It is allowed for m_wndEditor to be NULL - in this case
3375                 //       value is drawn as normal, and m_wndEditor2 is assumed
3376                 //       to be a right-aligned button that triggers a separate editorCtrl
3377                 //       window.
3378
3379                 if ( m_wndEditor )
3380                 {
3381                     wxASSERT_MSG( m_wndEditor->GetParent() == GetPanel(),
3382                                   wxT("CreateControls must use result of wxPropertyGrid::GetPanel() as parent of controls.") );
3383
3384                     // Set validator, if any
3385                 #if wxUSE_VALIDATORS
3386                     wxValidator* validator = p->GetValidator();
3387                     if ( validator )
3388                         primaryCtrl->SetValidator(*validator);
3389                 #endif
3390
3391                     if ( m_wndEditor->GetSize().y > (m_lineHeight+6) )
3392                         m_iFlags |= wxPG_FL_ABNORMAL_EDITOR;
3393
3394                     // If it has modified status, use bold font
3395                     // (must be done before capturing m_ctrlXAdjust)
3396                     if ( (p->m_flags & wxPG_PROP_MODIFIED) && (m_windowStyle & wxPG_BOLD_MODIFIED) )
3397                         SetCurControlBoldFont();
3398
3399                     //
3400                     // Fix TextCtrl indentation
3401                 #if defined(__WXMSW__) && !defined(__WXWINCE__)
3402                     wxTextCtrl* tc = NULL;
3403                     if ( primaryCtrl->IsKindOf(CLASSINFO(wxOwnerDrawnComboBox)) )
3404                         tc = ((wxOwnerDrawnComboBox*)primaryCtrl)->GetTextCtrl();
3405                     else
3406                         tc = wxDynamicCast(primaryCtrl, wxTextCtrl);
3407                     if ( tc )
3408                         ::SendMessage(GetHwndOf(tc), EM_SETMARGINS, EC_LEFTMARGIN | EC_RIGHTMARGIN, MAKELONG(0, 0));
3409                 #endif
3410
3411                     // Store x relative to splitter (we'll need it).
3412                     m_ctrlXAdjust = m_wndEditor->GetPosition().x - splitterX;
3413
3414                     // Check if background clear is not necessary
3415                     wxPoint pos = m_wndEditor->GetPosition();
3416                     if ( pos.x > (splitterX+1) || pos.y > propY )
3417                     {
3418                         m_iFlags &= ~(wxPG_FL_PRIMARY_FILLS_ENTIRE);
3419                     }
3420
3421                     m_wndEditor->SetSizeHints(3, 3);
3422
3423                 #if wxPG_CREATE_CONTROLS_HIDDEN
3424                     m_wndEditor->Show(false);
3425                     m_wndEditor->Freeze();
3426
3427                     goodPos = m_wndEditor->GetPosition();
3428                     goodPos.y -= coord_adjust;
3429                     m_wndEditor->Move( goodPos );
3430                 #endif
3431
3432                     SetupChildEventHandling(primaryCtrl);
3433
3434                     // Focus and select all (wxTextCtrl, wxComboBox etc)
3435                     if ( flags & wxPG_SEL_FOCUS )
3436                     {
3437                         primaryCtrl->SetFocus();
3438
3439                         p->GetEditorClass()->OnFocus(p, primaryCtrl);
3440                     }
3441                 }
3442
3443                 if ( m_wndEditor2 )
3444                 {
3445                     wxASSERT_MSG( m_wndEditor2->GetParent() == GetPanel(),
3446                                   wxT("CreateControls must use result of wxPropertyGrid::GetPanel() as parent of controls.") );
3447
3448                     // Get proper id for wndSecondary
3449                     m_wndSecId = m_wndEditor2->GetId();
3450                     wxWindowList children = m_wndEditor2->GetChildren();
3451                     wxWindowList::iterator node = children.begin();
3452                     if ( node != children.end() )
3453                         m_wndSecId = ((wxWindow*)*node)->GetId();
3454
3455                     m_wndEditor2->SetSizeHints(3,3);
3456
3457                 #if wxPG_CREATE_CONTROLS_HIDDEN
3458                     wxRect sec_rect = m_wndEditor2->GetRect();
3459                     sec_rect.y -= coord_adjust;
3460
3461                     // Fine tuning required to fix "oversized"
3462                     // button disappearance bug.
3463                     if ( sec_rect.y < 0 )
3464                     {
3465                         sec_rect.height += sec_rect.y;
3466                         sec_rect.y = 0;
3467                     }
3468                     m_wndEditor2->SetSize( sec_rect );
3469                 #endif
3470                     m_wndEditor2->Show();
3471
3472                     SetupChildEventHandling(m_wndEditor2);
3473
3474                     // If no primary editor, focus to button to allow
3475                     // it to interprete ENTER etc.
3476                     // NOTE: Due to problems focusing away from it, this
3477                     //       has been disabled.
3478                     /*
3479                     if ( (flags & wxPG_SEL_FOCUS) && !m_wndEditor )
3480                         m_wndEditor2->SetFocus();
3481                     */
3482                 }
3483
3484                 if ( flags & wxPG_SEL_FOCUS )
3485                     m_editorFocused = 1;
3486
3487             }
3488             else
3489             {
3490                 // Make sure focus is in grid canvas (important for wxGTK, at least)
3491                 SetFocusOnCanvas();
3492             }
3493
3494             EditorsValueWasNotModified();
3495
3496             // If it's inside collapsed section, expand parent, scroll, etc.
3497             // Also, if it was partially visible, scroll it into view.
3498             if ( !(flags & wxPG_SEL_NONVISIBLE) )
3499                 EnsureVisible( p );
3500
3501             if ( m_wndEditor )
3502             {
3503             #if wxPG_CREATE_CONTROLS_HIDDEN
3504                 m_wndEditor->Thaw();
3505             #endif
3506                 m_wndEditor->Show(true);
3507             }
3508
3509             DrawItems(p, p);
3510         }
3511         else
3512         {
3513             // Make sure focus is in grid canvas
3514             SetFocusOnCanvas();
3515         }
3516
3517         ClearInternalFlag(wxPG_FL_IN_SELECT_PROPERTY);
3518     }
3519
3520 #if wxUSE_STATUSBAR
3521
3522     //
3523     // Show help text in status bar.
3524     //   (if found and grid not embedded in manager with help box and
3525     //    style wxPG_EX_HELP_AS_TOOLTIPS is not used).
3526     //
3527
3528     if ( !(GetExtraStyle() & wxPG_EX_HELP_AS_TOOLTIPS) )
3529     {
3530         wxStatusBar* statusbar = NULL;
3531         if ( !(m_iFlags & wxPG_FL_NOSTATUSBARHELP) )
3532         {
3533             wxFrame* frame = wxDynamicCast(::wxGetTopLevelParent(this),wxFrame);
3534             if ( frame )
3535                 statusbar = frame->GetStatusBar();
3536         }
3537
3538         if ( statusbar )
3539         {
3540             const wxString* pHelpString = (const wxString*) NULL;
3541
3542             if ( p )
3543             {
3544                 pHelpString = &p->GetHelpString();
3545                 if ( pHelpString->length() )
3546                 {
3547                     // Set help box text.
3548                     statusbar->SetStatusText( *pHelpString );
3549                     m_iFlags |= wxPG_FL_STRING_IN_STATUSBAR;
3550                 }
3551             }
3552
3553             if ( (!pHelpString || !pHelpString->length()) &&
3554                  (m_iFlags & wxPG_FL_STRING_IN_STATUSBAR) )
3555             {
3556                 // Clear help box - but only if it was written
3557                 // by us at previous time.
3558                 statusbar->SetStatusText( m_emptyString );
3559                 m_iFlags &= ~(wxPG_FL_STRING_IN_STATUSBAR);
3560             }
3561         }
3562     }
3563 #endif
3564
3565     m_inDoSelectProperty = 0;
3566
3567     // call wx event handler (here so that it also occurs on deselection)
3568     SendEvent( wxEVT_PG_SELECTED, m_selected, NULL, flags );
3569
3570     return true;
3571 }
3572
3573 // -----------------------------------------------------------------------
3574
3575 bool wxPropertyGrid::UnfocusEditor()
3576 {
3577     if ( !m_selected || !m_wndEditor || m_frozen )
3578         return true;
3579
3580     if ( !CommitChangesFromEditor(0) )
3581         return false;
3582
3583     SetFocusOnCanvas();
3584     DrawItem(m_selected);
3585
3586     return true;
3587 }
3588
3589 // -----------------------------------------------------------------------
3590
3591 void wxPropertyGrid::RefreshEditor()
3592 {
3593     wxPGProperty* p = m_selected;
3594     if ( !p )
3595         return;
3596
3597     wxWindow* wnd = GetEditorControl();
3598     if ( !wnd )
3599         return;
3600
3601     // Set editor font boldness - must do this before
3602     // calling UpdateControl().
3603     if ( HasFlag(wxPG_BOLD_MODIFIED) )
3604     {
3605         if ( p->HasFlag(wxPG_PROP_MODIFIED) )
3606             wnd->SetFont(GetCaptionFont());
3607         else
3608             wnd->SetFont(GetFont());
3609     }
3610
3611     const wxPGEditor* editorClass = p->GetEditorClass();
3612
3613     editorClass->UpdateControl(p, wnd);
3614
3615     if ( p->IsValueUnspecified() )
3616         editorClass ->SetValueToUnspecified(p, wnd);
3617 }
3618
3619 // -----------------------------------------------------------------------
3620
3621 // This method is not inline because it called dozens of times
3622 // (i.e. two-arg function calls create smaller code size).
3623 bool wxPropertyGrid::DoClearSelection()
3624 {
3625     return DoSelectProperty(NULL);
3626 }
3627
3628 // -----------------------------------------------------------------------
3629 // wxPropertyGrid expand/collapse state
3630 // -----------------------------------------------------------------------
3631
3632 bool wxPropertyGrid::DoCollapse( wxPGProperty* p, bool sendEvents )
3633 {
3634     wxPGProperty* pwc = wxStaticCast(p, wxPGProperty);
3635
3636     // If active editor was inside collapsed section, then disable it
3637     if ( m_selected && m_selected->IsSomeParent(p) )
3638     {
3639         ClearSelection(false);
3640     }
3641
3642     // Store dont-center-splitter flag 'cause we need to temporarily set it
3643     wxUint32 old_flag = m_iFlags & wxPG_FL_DONT_CENTER_SPLITTER;
3644     m_iFlags |= wxPG_FL_DONT_CENTER_SPLITTER;
3645
3646     bool res = m_pState->DoCollapse(pwc);
3647
3648     if ( res )
3649     {
3650         if ( sendEvents )
3651             SendEvent( wxEVT_PG_ITEM_COLLAPSED, p );
3652
3653         RecalculateVirtualSize();
3654
3655         // Redraw etc. only if collapsed was visible.
3656         if (pwc->IsVisible() &&
3657             !m_frozen &&
3658             ( !pwc->IsCategory() || !(m_windowStyle & wxPG_HIDE_CATEGORIES) ) )
3659         {
3660             // When item is collapsed so that scrollbar would move,
3661             // graphics mess is about (unless we redraw everything).
3662             Refresh();
3663         }
3664     }
3665
3666     // Clear dont-center-splitter flag if it wasn't set
3667     m_iFlags = (m_iFlags & ~wxPG_FL_DONT_CENTER_SPLITTER) | old_flag;
3668
3669     return res;
3670 }
3671
3672 // -----------------------------------------------------------------------
3673
3674 bool wxPropertyGrid::DoExpand( wxPGProperty* p, bool sendEvents )
3675 {
3676     wxCHECK_MSG( p, false, wxT("invalid property id") );
3677
3678     wxPGProperty* pwc = (wxPGProperty*)p;
3679
3680     // Store dont-center-splitter flag 'cause we need to temporarily set it
3681     wxUint32 old_flag = m_iFlags & wxPG_FL_DONT_CENTER_SPLITTER;
3682     m_iFlags |= wxPG_FL_DONT_CENTER_SPLITTER;
3683
3684     bool res = m_pState->DoExpand(pwc);
3685
3686     if ( res )
3687     {
3688         if ( sendEvents )
3689             SendEvent( wxEVT_PG_ITEM_EXPANDED, p );
3690
3691         RecalculateVirtualSize();
3692
3693         // Redraw etc. only if expanded was visible.
3694         if ( pwc->IsVisible() && !m_frozen &&
3695              ( !pwc->IsCategory() || !(m_windowStyle & wxPG_HIDE_CATEGORIES) )
3696            )
3697         {
3698             // Redraw
3699         #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
3700             Refresh();
3701         #else
3702             DrawItems(pwc, NULL);
3703         #endif
3704         }
3705     }
3706
3707     // Clear dont-center-splitter flag if it wasn't set
3708     m_iFlags = (m_iFlags & ~wxPG_FL_DONT_CENTER_SPLITTER) | old_flag;
3709
3710     return res;
3711 }
3712
3713 // -----------------------------------------------------------------------
3714
3715 bool wxPropertyGrid::DoHideProperty( wxPGProperty* p, bool hide, int flags )
3716 {
3717     if ( m_frozen )
3718         return m_pState->DoHideProperty(p, hide, flags);
3719
3720     if ( m_selected &&
3721          ( m_selected == p || m_selected->IsSomeParent(p) )
3722        )
3723         {
3724             ClearSelection(false);
3725         }
3726
3727     m_pState->DoHideProperty(p, hide, flags);
3728
3729     RecalculateVirtualSize();
3730     Refresh();
3731
3732     return true;
3733 }
3734
3735
3736 // -----------------------------------------------------------------------
3737 // wxPropertyGrid size related methods
3738 // -----------------------------------------------------------------------
3739
3740 void wxPropertyGrid::RecalculateVirtualSize( int forceXPos )
3741 {
3742     if ( (m_iFlags & wxPG_FL_RECALCULATING_VIRTUAL_SIZE) || m_frozen )
3743         return;
3744
3745     //
3746     // If virtual height was changed, then recalculate editor control position(s)
3747     if ( m_pState->m_vhCalcPending )
3748         CorrectEditorWidgetPosY();
3749
3750     m_pState->EnsureVirtualHeight();
3751
3752 #ifdef __WXDEBUG__
3753     int by1 = m_pState->GetVirtualHeight();
3754     int by2 = m_pState->GetActualVirtualHeight();
3755     if ( by1 != by2 )
3756     {
3757         wxString s = wxString::Format(wxT("VirtualHeight=%i, ActualVirtualHeight=%i, should match!"), by1, by2);
3758         wxFAIL_MSG(s.c_str());
3759         wxLogDebug(s);
3760     }
3761 #endif
3762
3763     m_iFlags |= wxPG_FL_RECALCULATING_VIRTUAL_SIZE;
3764
3765     int x = m_pState->m_width;
3766     int y = m_pState->m_virtualHeight;
3767
3768     int width, height;
3769     GetClientSize(&width,&height);
3770
3771     // Now adjust virtual size.
3772     SetVirtualSize(x, y);
3773
3774     int xAmount = 0;
3775     int xPos = 0;
3776
3777     //
3778     // Adjust scrollbars
3779     if ( HasVirtualWidth() )
3780     {
3781         xAmount = x/wxPG_PIXELS_PER_UNIT;
3782         xPos = GetScrollPos( wxHORIZONTAL );
3783     }
3784
3785     if ( forceXPos != -1 )
3786         xPos = forceXPos;
3787     // xPos too high?
3788     else if ( xPos > (xAmount-(width/wxPG_PIXELS_PER_UNIT)) )
3789         xPos = 0;
3790
3791     int yAmount = y / wxPG_PIXELS_PER_UNIT;
3792     int yPos = GetScrollPos( wxVERTICAL );
3793
3794     SetScrollbars( wxPG_PIXELS_PER_UNIT, wxPG_PIXELS_PER_UNIT,
3795                    xAmount, yAmount, xPos, yPos, true );
3796
3797     // Must re-get size now
3798     GetClientSize(&width,&height);
3799
3800     if ( !HasVirtualWidth() )
3801     {
3802         m_pState->SetVirtualWidth(width);
3803         x = width;
3804     }
3805
3806     m_width = width;
3807     m_height = height;
3808
3809     m_canvas->SetSize( x, y );
3810
3811     m_pState->CheckColumnWidths();
3812
3813     if ( m_selected )
3814         CorrectEditorWidgetSizeX();
3815
3816     m_iFlags &= ~wxPG_FL_RECALCULATING_VIRTUAL_SIZE;
3817 }
3818
3819 // -----------------------------------------------------------------------
3820
3821 void wxPropertyGrid::OnResize( wxSizeEvent& event )
3822 {
3823     if ( !(m_iFlags & wxPG_FL_INITIALIZED) )
3824         return;
3825
3826     int width, height;
3827     GetClientSize(&width,&height);
3828
3829     m_width = width;
3830     m_height = height;
3831
3832 #if wxPG_DOUBLE_BUFFER
3833     if ( !(GetExtraStyle() & wxPG_EX_NATIVE_DOUBLE_BUFFERING) )
3834     {
3835         int dblh = (m_lineHeight*2);
3836         if ( !m_doubleBuffer )
3837         {
3838             // Create double buffer bitmap to draw on, if none
3839             int w = (width>250)?width:250;
3840             int h = height + dblh;
3841             h = (h>400)?h:400;
3842             m_doubleBuffer = new wxBitmap( w, h );
3843         }
3844         else
3845         {
3846             int w = m_doubleBuffer->GetWidth();
3847             int h = m_doubleBuffer->GetHeight();
3848
3849             // Double buffer must be large enough
3850             if ( w < width || h < (height+dblh) )
3851             {
3852                 if ( w < width ) w = width;
3853                 if ( h < (height+dblh) ) h = height + dblh;
3854                 delete m_doubleBuffer;
3855                 m_doubleBuffer = new wxBitmap( w, h );
3856             }
3857         }
3858     }
3859
3860 #endif
3861
3862     m_pState->OnClientWidthChange( width, event.GetSize().x - m_ncWidth, true );
3863     m_ncWidth = event.GetSize().x;
3864
3865     if ( !m_frozen )
3866     {
3867         if ( m_pState->m_itemsAdded )
3868             PrepareAfterItemsAdded();
3869         else
3870             // Without this, virtual size (atleast under wxGTK) will be skewed
3871             RecalculateVirtualSize();
3872
3873         Refresh();
3874     }
3875 }
3876
3877 // -----------------------------------------------------------------------
3878
3879 void wxPropertyGrid::SetVirtualWidth( int width )
3880 {
3881     if ( width == -1 )
3882     {
3883         // Disable virtual width
3884         width = GetClientSize().x;
3885         ClearInternalFlag(wxPG_FL_HAS_VIRTUAL_WIDTH);
3886     }
3887     else
3888     {
3889         // Enable virtual width
3890         SetInternalFlag(wxPG_FL_HAS_VIRTUAL_WIDTH);
3891     }
3892     m_pState->SetVirtualWidth( width );
3893 }
3894
3895 void wxPropertyGrid::SetFocusOnCanvas()
3896 {
3897     m_canvas->SetFocusIgnoringChildren();
3898     m_editorFocused = 0;
3899 }
3900
3901 // -----------------------------------------------------------------------
3902 // wxPropertyGrid mouse event handling
3903 // -----------------------------------------------------------------------
3904
3905 // selFlags uses same values DoSelectProperty's flags
3906 // Returns true if event was vetoed.
3907 bool wxPropertyGrid::SendEvent( int eventType, wxPGProperty* p, wxVariant* pValue, unsigned int WXUNUSED(selFlags) )
3908 {
3909     // Send property grid event of specific type and with specific property
3910     wxPropertyGridEvent evt( eventType, m_eventObject->GetId() );
3911     evt.SetPropertyGrid(this);
3912     evt.SetEventObject(m_eventObject);
3913     evt.SetProperty(p);
3914     if ( pValue )
3915     {
3916         evt.SetCanVeto(true);
3917         evt.SetupValidationInfo();
3918         m_validationInfo.m_pValue = pValue;
3919     }
3920     wxEvtHandler* evtHandler = m_eventObject->GetEventHandler();
3921
3922     evtHandler->ProcessEvent(evt);
3923
3924     return evt.WasVetoed();
3925 }
3926
3927 // -----------------------------------------------------------------------
3928
3929 // Return false if should be skipped
3930 bool wxPropertyGrid::HandleMouseClick( int x, unsigned int y, wxMouseEvent &event )
3931 {
3932     bool res = true;
3933
3934     // Need to set focus?
3935     if ( !(m_iFlags & wxPG_FL_FOCUSED) )
3936     {
3937         SetFocusOnCanvas();
3938     }
3939
3940     wxPropertyGridPageState* state = m_pState;
3941     int splitterHit;
3942     int splitterHitOffset;
3943     int columnHit = state->HitTestH( x, &splitterHit, &splitterHitOffset );
3944
3945     wxPGProperty* p = DoGetItemAtY(y);
3946
3947     if ( p )
3948     {
3949         int depth = (int)p->GetDepth() - 1;
3950
3951         int marginEnds = m_marginWidth + ( depth * m_subgroup_extramargin );
3952
3953         if ( x >= marginEnds )
3954         {
3955             // Outside margin.
3956
3957             if ( p->IsCategory() )
3958             {
3959                 // This is category.
3960                 wxPropertyCategory* pwc = (wxPropertyCategory*)p;
3961
3962                 int textX = m_marginWidth + ((unsigned int)((pwc->m_depth-1)*m_subgroup_extramargin));
3963
3964                 // Expand, collapse, activate etc. if click on text or left of splitter.
3965                 if ( x >= textX
3966                      &&
3967                      ( x < (textX+pwc->GetTextExtent(this, m_captionFont)+(wxPG_CAPRECTXMARGIN*2)) ||
3968                        columnHit == 0
3969                      )
3970                     )
3971                 {
3972                     if ( !DoSelectProperty( p ) )
3973                         return res;
3974
3975                     // On double-click, expand/collapse.
3976                     if ( event.ButtonDClick() && !(m_windowStyle & wxPG_HIDE_MARGIN) )
3977                     {
3978                         if ( pwc->IsExpanded() ) DoCollapse( p, true );
3979                         else DoExpand( p, true );
3980                     }
3981                 }
3982             }
3983             else if ( splitterHit == -1 )
3984             {
3985             // Click on value.
3986                 unsigned int selFlag = 0;
3987                 if ( columnHit == 1 )
3988                 {
3989                     m_iFlags |= wxPG_FL_ACTIVATION_BY_CLICK;
3990                     selFlag = wxPG_SEL_FOCUS;
3991                 }
3992                 if ( !DoSelectProperty( p, selFlag ) )
3993                     return res;
3994
3995                 m_iFlags &= ~(wxPG_FL_ACTIVATION_BY_CLICK);
3996
3997                 if ( p->GetChildCount() && !p->IsCategory() )
3998                     // On double-click, expand/collapse.
3999                     if ( event.ButtonDClick() && !(m_windowStyle & wxPG_HIDE_MARGIN) )
4000                     {
4001                         wxPGProperty* pwc = (wxPGProperty*)p;
4002                         if ( pwc->IsExpanded() ) DoCollapse( p, true );
4003                         else DoExpand( p, true );
4004                     }
4005
4006                 res = false;
4007             }
4008             else
4009             {
4010             // click on splitter
4011                 if ( !(m_windowStyle & wxPG_STATIC_SPLITTER) )
4012                 {
4013                     if ( event.GetEventType() == wxEVT_LEFT_DCLICK )
4014                     {
4015                         // Double-clicking the splitter causes auto-centering
4016                         CenterSplitter( true );
4017                     }
4018                     else if ( m_dragStatus == 0 )
4019                     {
4020                     //
4021                     // Begin draggin the splitter
4022                     //
4023                         if ( m_wndEditor )
4024                         {
4025                             // Changes must be committed here or the
4026                             // value won't be drawn correctly
4027                             if ( !CommitChangesFromEditor() )
4028                                 return res;
4029
4030                             m_wndEditor->Show ( false );
4031                         }
4032
4033                         if ( !(m_iFlags & wxPG_FL_MOUSE_CAPTURED) )
4034                         {
4035                             m_canvas->CaptureMouse();
4036                             m_iFlags |= wxPG_FL_MOUSE_CAPTURED;
4037                         }
4038
4039                         m_dragStatus = 1;
4040                         m_draggedSplitter = splitterHit;
4041                         m_dragOffset = splitterHitOffset;
4042
4043                         wxClientDC dc(m_canvas);
4044
4045                     #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
4046                         // Fixes button disappearance bug
4047                         if ( m_wndEditor2 )
4048                             m_wndEditor2->Show ( false );
4049                     #endif
4050
4051                         m_startingSplitterX = x - splitterHitOffset;
4052                     }
4053                 }
4054             }
4055         }
4056         else
4057         {
4058         // Click on margin.
4059             if ( p->GetChildCount() )
4060             {
4061                 int nx = x + m_marginWidth - marginEnds; // Normalize x.
4062
4063                 if ( (nx >= m_gutterWidth && nx < (m_gutterWidth+m_iconWidth)) )
4064                 {
4065                     int y2 = y % m_lineHeight;
4066                     if ( (y2 >= m_buttonSpacingY && y2 < (m_buttonSpacingY+m_iconHeight)) )
4067                     {
4068                         // On click on expander button, expand/collapse
4069                         if ( ((wxPGProperty*)p)->IsExpanded() )
4070                             DoCollapse( p, true );
4071                         else
4072                             DoExpand( p, true );
4073                     }
4074                 }
4075             }
4076         }
4077     }
4078     return res;
4079 }
4080
4081 // -----------------------------------------------------------------------
4082
4083 bool wxPropertyGrid::HandleMouseRightClick( int WXUNUSED(x), unsigned int WXUNUSED(y),
4084                                             wxMouseEvent& WXUNUSED(event) )
4085 {
4086     if ( m_propHover )
4087     {
4088         // Select property here as well
4089         wxPGProperty* p = m_propHover;
4090         if ( p != m_selected )
4091             DoSelectProperty( p );
4092
4093         // Send right click event.
4094         SendEvent( wxEVT_PG_RIGHT_CLICK, p );
4095
4096         return true;
4097     }
4098     return false;
4099 }
4100
4101 // -----------------------------------------------------------------------
4102
4103 bool wxPropertyGrid::HandleMouseDoubleClick( int WXUNUSED(x), unsigned int WXUNUSED(y),
4104                                              wxMouseEvent& WXUNUSED(event) )
4105 {
4106     if ( m_propHover )
4107     {
4108         // Select property here as well
4109         wxPGProperty* p = m_propHover;
4110
4111         if ( p != m_selected )
4112             DoSelectProperty( p );
4113
4114         // Send double-click event.
4115         SendEvent( wxEVT_PG_DOUBLE_CLICK, m_propHover );
4116
4117         return true;
4118     }
4119     return false;
4120 }
4121
4122 // -----------------------------------------------------------------------
4123
4124 #if wxPG_SUPPORT_TOOLTIPS
4125
4126 void wxPropertyGrid::SetToolTip( const wxString& tipString )
4127 {
4128     if ( tipString.length() )
4129     {
4130         m_canvas->SetToolTip(tipString);
4131     }
4132     else
4133     {
4134     #if wxPG_ALLOW_EMPTY_TOOLTIPS
4135         m_canvas->SetToolTip( m_emptyString );
4136     #else
4137         m_canvas->SetToolTip( NULL );
4138     #endif
4139     }
4140 }
4141
4142 #endif // #if wxPG_SUPPORT_TOOLTIPS
4143
4144 // -----------------------------------------------------------------------
4145
4146 // Return false if should be skipped
4147 bool wxPropertyGrid::HandleMouseMove( int x, unsigned int y, wxMouseEvent &event )
4148 {
4149     // Safety check (needed because mouse capturing may
4150     // otherwise freeze the control)
4151     if ( m_dragStatus > 0 && !event.Dragging() )
4152     {
4153         HandleMouseUp(x,y,event);
4154     }
4155
4156     wxPropertyGridPageState* state = m_pState;
4157     int splitterHit;
4158     int splitterHitOffset;
4159     int columnHit = state->HitTestH( x, &splitterHit, &splitterHitOffset );
4160     int splitterX = x - splitterHitOffset;
4161
4162     if ( m_dragStatus > 0 )
4163     {
4164         if ( x > (m_marginWidth + wxPG_DRAG_MARGIN) &&
4165              x < (m_pState->m_width - wxPG_DRAG_MARGIN) )
4166         {
4167
4168             int newSplitterX = x - m_dragOffset;
4169             int splitterX = x - splitterHitOffset;
4170
4171             // Splitter redraw required?
4172             if ( newSplitterX != splitterX )
4173             {
4174                 // Move everything
4175                 SetInternalFlag(wxPG_FL_DONT_CENTER_SPLITTER);
4176                 state->DoSetSplitterPosition( newSplitterX, m_draggedSplitter, false );
4177                 state->m_fSplitterX = (float) newSplitterX;
4178
4179                 if ( m_selected )
4180                     CorrectEditorWidgetSizeX();
4181
4182                 Update();
4183                 Refresh();
4184             }
4185
4186             m_dragStatus = 2;
4187         }
4188
4189         return false;
4190     }
4191     else
4192     {
4193
4194         int ih = m_lineHeight;
4195         int sy = y;
4196
4197     #if wxPG_SUPPORT_TOOLTIPS
4198         wxPGProperty* prevHover = m_propHover;
4199         unsigned char prevSide = m_mouseSide;
4200     #endif
4201         int curPropHoverY = y - (y % ih);
4202
4203         // On which item it hovers
4204         if ( !m_propHover
4205              ||
4206              ( sy < m_propHoverY || sy >= (m_propHoverY+ih) )
4207            )
4208         {
4209             // Mouse moves on another property
4210
4211             m_propHover = DoGetItemAtY(y);
4212             m_propHoverY = curPropHoverY;
4213
4214             // Send hover event
4215             SendEvent( wxEVT_PG_HIGHLIGHTED, m_propHover );
4216         }
4217
4218     #if wxPG_SUPPORT_TOOLTIPS
4219         // Store which side we are on
4220         m_mouseSide = 0;
4221         if ( columnHit == 1 )
4222             m_mouseSide = 2;
4223         else if ( columnHit == 0 )
4224             m_mouseSide = 1;
4225
4226         //
4227         // If tooltips are enabled, show label or value as a tip
4228         // in case it doesn't otherwise show in full length.
4229         //
4230         if ( m_windowStyle & wxPG_TOOLTIPS )
4231         {
4232             wxToolTip* tooltip = m_canvas->GetToolTip();
4233
4234             if ( m_propHover != prevHover || prevSide != m_mouseSide )
4235             {
4236                 if ( m_propHover && !m_propHover->IsCategory() )
4237                 {
4238
4239                     if ( GetExtraStyle() & wxPG_EX_HELP_AS_TOOLTIPS )
4240                     {
4241                         // Show help string as a tooltip
4242                         wxString tipString = m_propHover->GetHelpString();
4243
4244                         SetToolTip(tipString);
4245                     }
4246                     else
4247                     {
4248                         // Show cropped value string as a tooltip
4249                         wxString tipString;
4250                         int space = 0;
4251
4252                         if ( m_mouseSide == 1 )
4253                         {
4254                             tipString = m_propHover->m_label;
4255                             space = splitterX-m_marginWidth-3;
4256                         }
4257                         else if ( m_mouseSide == 2 )
4258                         {
4259                             tipString = m_propHover->GetDisplayedString();
4260
4261                             space = m_width - splitterX;
4262                             if ( m_propHover->m_flags & wxPG_PROP_CUSTOMIMAGE )
4263                                 space -= wxPG_CUSTOM_IMAGE_WIDTH + wxCC_CUSTOM_IMAGE_MARGIN1 + wxCC_CUSTOM_IMAGE_MARGIN2;
4264                         }
4265
4266                         if ( space )
4267                         {
4268                             int tw, th;
4269                             GetTextExtent( tipString, &tw, &th, 0, 0 );
4270                             if ( tw > space )
4271                             {
4272                                 SetToolTip( tipString );
4273                             }
4274                         }
4275                         else
4276                         {
4277                             if ( tooltip )
4278                             {
4279                             #if wxPG_ALLOW_EMPTY_TOOLTIPS
4280                                 m_canvas->SetToolTip( m_emptyString );
4281                             #else
4282                                 m_canvas->SetToolTip( NULL );
4283                             #endif
4284                             }
4285                         }
4286
4287                     }
4288                 }
4289                 else
4290                 {
4291                     if ( tooltip )
4292                     {
4293                     #if wxPG_ALLOW_EMPTY_TOOLTIPS
4294                         m_canvas->SetToolTip( m_emptyString );
4295                     #else
4296                         m_canvas->SetToolTip( NULL );
4297                     #endif
4298                     }
4299                 }
4300             }
4301         }
4302     #endif
4303
4304         if ( splitterHit == -1 ||
4305              !m_propHover ||
4306              HasFlag(wxPG_STATIC_SPLITTER) )
4307         {
4308             // hovering on something else
4309             if ( m_curcursor != wxCURSOR_ARROW )
4310                 CustomSetCursor( wxCURSOR_ARROW );
4311         }
4312         else
4313         {
4314             // Do not allow splitter cursor on caption items.
4315             // (also not if we were dragging and its started
4316             // outside the splitter region)
4317
4318             if ( !m_propHover->IsCategory() &&
4319                  !event.Dragging() )
4320             {
4321
4322                 // hovering on splitter
4323
4324                 // NB: Condition disabled since MouseLeave event (from the editor control) cannot be
4325                 //     reliably detected.
4326                 //if ( m_curcursor != wxCURSOR_SIZEWE )
4327                 CustomSetCursor( wxCURSOR_SIZEWE, true );
4328
4329                 return false;
4330             }
4331             else
4332             {
4333                 // hovering on something else
4334                 if ( m_curcursor != wxCURSOR_ARROW )
4335                     CustomSetCursor( wxCURSOR_ARROW );
4336             }
4337         }
4338     }
4339     return true;
4340 }
4341
4342 // -----------------------------------------------------------------------
4343
4344 // Also handles Leaving event
4345 bool wxPropertyGrid::HandleMouseUp( int x, unsigned int WXUNUSED(y),
4346                                     wxMouseEvent &WXUNUSED(event) )
4347 {
4348     wxPropertyGridPageState* state = m_pState;
4349     bool res = false;
4350
4351     int splitterHit;
4352     int splitterHitOffset;
4353     state->HitTestH( x, &splitterHit, &splitterHitOffset );
4354
4355     // No event type check - basicly calling this method should
4356     // just stop dragging.
4357     // Left up after dragged?
4358     if ( m_dragStatus >= 1 )
4359     {
4360     //
4361     // End Splitter Dragging
4362     //
4363         // DO NOT ENABLE FOLLOWING LINE!
4364         // (it is only here as a reminder to not to do it)
4365         //splitterX = x;
4366
4367         // Disable splitter auto-centering
4368         m_iFlags |= wxPG_FL_DONT_CENTER_SPLITTER;
4369
4370         // This is necessary to return cursor
4371         if ( m_iFlags & wxPG_FL_MOUSE_CAPTURED )
4372         {
4373             m_canvas->ReleaseMouse();
4374             m_iFlags &= ~(wxPG_FL_MOUSE_CAPTURED);
4375         }
4376
4377         // Set back the default cursor, if necessary
4378         if ( splitterHit == -1 ||
4379              !m_propHover )
4380         {
4381             CustomSetCursor( wxCURSOR_ARROW );
4382         }
4383
4384         m_dragStatus = 0;
4385
4386         // Control background needs to be cleared
4387         if ( !(m_iFlags & wxPG_FL_PRIMARY_FILLS_ENTIRE) && m_selected )
4388             DrawItem( m_selected );
4389
4390         if ( m_wndEditor )
4391         {
4392             m_wndEditor->Show ( true );
4393         }
4394
4395     #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
4396         // Fixes button disappearance bug
4397         if ( m_wndEditor2 )
4398             m_wndEditor2->Show ( true );
4399     #endif
4400
4401         // This clears the focus.
4402         m_editorFocused = 0;
4403
4404     }
4405     return res;
4406 }
4407
4408 // -----------------------------------------------------------------------
4409
4410 bool wxPropertyGrid::OnMouseCommon( wxMouseEvent& event, int* px, int* py )
4411 {
4412     int splitterX = GetSplitterPosition();
4413
4414     //int ux, uy;
4415     //CalcUnscrolledPosition( event.m_x, event.m_y, &ux, &uy );
4416     int ux = event.m_x;
4417     int uy = event.m_y;
4418
4419     wxWindow* wnd = GetEditorControl();
4420
4421     // Hide popup on clicks
4422     if ( event.GetEventType() != wxEVT_MOTION )
4423         if ( wnd && wnd->IsKindOf(CLASSINFO(wxOwnerDrawnComboBox)) )
4424         {
4425             ((wxOwnerDrawnComboBox*)wnd)->HidePopup();
4426         }
4427
4428     wxRect r;
4429     if ( wnd )
4430         r = wnd->GetRect();
4431     if ( wnd == NULL || m_dragStatus ||
4432          (
4433            ux <= (splitterX + wxPG_SPLITTERX_DETECTMARGIN2) ||
4434            ux >= (r.x+r.width) ||
4435            event.m_y < r.y ||
4436            event.m_y >= (r.y+r.height)
4437          )
4438        )
4439     {
4440         *px = ux;
4441         *py = uy;
4442         return true;
4443     }
4444     else
4445     {
4446         if ( m_curcursor != wxCURSOR_ARROW ) CustomSetCursor ( wxCURSOR_ARROW );
4447     }
4448     return false;
4449 }
4450
4451 // -----------------------------------------------------------------------
4452
4453 void wxPropertyGrid::OnMouseClick( wxMouseEvent &event )
4454 {
4455     int x, y;
4456     if ( OnMouseCommon( event, &x, &y ) )
4457     {
4458         HandleMouseClick(x,y,event);
4459     }
4460     event.Skip();
4461 }
4462
4463 // -----------------------------------------------------------------------
4464
4465 void wxPropertyGrid::OnMouseRightClick( wxMouseEvent &event )
4466 {
4467     int x, y;
4468     CalcUnscrolledPosition( event.m_x, event.m_y, &x, &y );
4469     HandleMouseRightClick(x,y,event);
4470     event.Skip();
4471 }
4472
4473 // -----------------------------------------------------------------------
4474
4475 void wxPropertyGrid::OnMouseDoubleClick( wxMouseEvent &event )
4476 {
4477     // Always run standard mouse-down handler as well
4478     OnMouseClick(event);
4479
4480     int x, y;
4481     CalcUnscrolledPosition( event.m_x, event.m_y, &x, &y );
4482     HandleMouseDoubleClick(x,y,event);
4483     event.Skip();
4484 }
4485
4486 // -----------------------------------------------------------------------
4487
4488 void wxPropertyGrid::OnMouseMove( wxMouseEvent &event )
4489 {
4490     int x, y;
4491     if ( OnMouseCommon( event, &x, &y ) )
4492     {
4493         HandleMouseMove(x,y,event);
4494     }
4495     event.Skip();
4496 }
4497
4498 // -----------------------------------------------------------------------
4499
4500 void wxPropertyGrid::OnMouseMoveBottom( wxMouseEvent& WXUNUSED(event) )
4501 {
4502     // Called when mouse moves in the empty space below the properties.
4503     CustomSetCursor( wxCURSOR_ARROW );
4504 }
4505
4506 // -----------------------------------------------------------------------
4507
4508 void wxPropertyGrid::OnMouseUp( wxMouseEvent &event )
4509 {
4510     int x, y;
4511     if ( OnMouseCommon( event, &x, &y ) )
4512     {
4513         HandleMouseUp(x,y,event);
4514     }
4515     event.Skip();
4516 }
4517
4518 // -----------------------------------------------------------------------
4519
4520 void wxPropertyGrid::OnMouseEntry( wxMouseEvent &event )
4521 {
4522     // This may get called from child control as well, so event's
4523     // mouse position cannot be relied on.
4524
4525     if ( event.Entering() )
4526     {
4527         if ( !(m_iFlags & wxPG_FL_MOUSE_INSIDE) )
4528         {
4529             // TODO: Fix this (detect parent and only do
4530             //   cursor trick if it is a manager).
4531             wxASSERT( GetParent() );
4532             GetParent()->SetCursor(wxNullCursor);
4533
4534             m_iFlags |= wxPG_FL_MOUSE_INSIDE;
4535         }
4536         else
4537             GetParent()->SetCursor(wxNullCursor);
4538     }
4539     else if ( event.Leaving() )
4540     {
4541         // Without this, wxSpinCtrl editor will sometimes have wrong cursor
4542         m_canvas->SetCursor( wxNullCursor );
4543
4544         // Get real cursor position
4545         wxPoint pt = ScreenToClient(::wxGetMousePosition());
4546
4547         if ( ( pt.x <= 0 || pt.y <= 0 || pt.x >= m_width || pt.y >= m_height ) )
4548         {
4549             {
4550                 if ( (m_iFlags & wxPG_FL_MOUSE_INSIDE) )
4551                 {
4552                     m_iFlags &= ~(wxPG_FL_MOUSE_INSIDE);
4553                 }
4554
4555                 if ( m_dragStatus )
4556                     wxPropertyGrid::HandleMouseUp ( -1, 10000, event );
4557             }
4558         }
4559     }
4560
4561     event.Skip();
4562 }
4563
4564 // -----------------------------------------------------------------------
4565
4566 // Common code used by various OnMouseXXXChild methods.
4567 bool wxPropertyGrid::OnMouseChildCommon( wxMouseEvent &event, int* px, int *py )
4568 {
4569     wxWindow* topCtrlWnd = (wxWindow*)event.GetEventObject();
4570     wxASSERT( topCtrlWnd );
4571     int x, y;
4572     event.GetPosition(&x,&y);
4573
4574     int splitterX = GetSplitterPosition();
4575
4576     wxRect r = topCtrlWnd->GetRect();
4577     if ( !m_dragStatus &&
4578          x > (splitterX-r.x+wxPG_SPLITTERX_DETECTMARGIN2) &&
4579          y >= 0 && y < r.height \
4580        )
4581     {
4582         if ( m_curcursor != wxCURSOR_ARROW ) CustomSetCursor ( wxCURSOR_ARROW );
4583         event.Skip();
4584     }
4585     else
4586     {
4587         CalcUnscrolledPosition( event.m_x + r.x, event.m_y + r.y, \
4588             px, py );
4589         return true;
4590     }
4591     return false;
4592 }
4593
4594 void wxPropertyGrid::OnMouseClickChild( wxMouseEvent &event )
4595 {
4596     int x,y;
4597     if ( OnMouseChildCommon(event,&x,&y) )
4598     {
4599         bool res = HandleMouseClick(x,y,event);
4600         if ( !res ) event.Skip();
4601     }
4602 }
4603
4604 void wxPropertyGrid::OnMouseRightClickChild( wxMouseEvent &event )
4605 {
4606     int x,y;
4607     wxASSERT( m_wndEditor );
4608     // These coords may not be exact (about +-2),
4609     // but that should not matter (right click is about item, not position).
4610     wxPoint pt = m_wndEditor->GetPosition();
4611     CalcUnscrolledPosition( event.m_x + pt.x, event.m_y + pt.y, &x, &y );
4612     wxASSERT( m_selected );
4613     m_propHover = m_selected;
4614     bool res = HandleMouseRightClick(x,y,event);
4615     if ( !res ) event.Skip();
4616 }
4617
4618 void wxPropertyGrid::OnMouseMoveChild( wxMouseEvent &event )
4619 {
4620     int x,y;
4621     if ( OnMouseChildCommon(event,&x,&y) )
4622     {
4623         bool res = HandleMouseMove(x,y,event);
4624         if ( !res ) event.Skip();
4625     }
4626 }
4627
4628 void wxPropertyGrid::OnMouseUpChild( wxMouseEvent &event )
4629 {
4630     int x,y;
4631     if ( OnMouseChildCommon(event,&x,&y) )
4632     {
4633         bool res = HandleMouseUp(x,y,event);
4634         if ( !res ) event.Skip();
4635     }
4636 }
4637
4638 // -----------------------------------------------------------------------
4639 // wxPropertyGrid keyboard event handling
4640 // -----------------------------------------------------------------------
4641
4642 int wxPropertyGrid::KeyEventToActions(wxKeyEvent &event, int* pSecond) const
4643 {
4644     // Translates wxKeyEvent to wxPG_ACTION_XXX
4645
4646     int keycode = event.GetKeyCode();
4647     int modifiers = event.GetModifiers();
4648
4649     wxASSERT( !(modifiers&~(0xFFFF)) );
4650
4651     int hashMapKey = (keycode & 0xFFFF) | ((modifiers & 0xFFFF) << 16);
4652
4653     wxPGHashMapI2I::const_iterator it = m_actionTriggers.find(hashMapKey);
4654
4655     if ( it == m_actionTriggers.end() )
4656         return 0;
4657
4658     if ( pSecond )
4659     {
4660         int second = (it->second>>16) & 0xFFFF;
4661         *pSecond = second;
4662     }
4663
4664     return (it->second & 0xFFFF);
4665 }
4666
4667 void wxPropertyGrid::AddActionTrigger( int action, int keycode, int modifiers )
4668 {
4669     wxASSERT( !(modifiers&~(0xFFFF)) );
4670
4671     int hashMapKey = (keycode & 0xFFFF) | ((modifiers & 0xFFFF) << 16);
4672
4673     wxPGHashMapI2I::iterator it = m_actionTriggers.find(hashMapKey);
4674
4675     if ( it != m_actionTriggers.end() )
4676     {
4677         // This key combination is already used
4678
4679         // Can add secondary?
4680         wxASSERT_MSG( !(it->second&~(0xFFFF)),
4681                       wxT("You can only add up to two separate actions per key combination.") );
4682
4683         action = it->second | (action<<16);
4684     }
4685
4686     m_actionTriggers[hashMapKey] = action;
4687 }
4688
4689 void wxPropertyGrid::ClearActionTriggers( int action )
4690 {
4691     wxPGHashMapI2I::iterator it;
4692
4693     for ( it = m_actionTriggers.begin(); it != m_actionTriggers.end(); ++it )
4694     {
4695         if ( it->second == action )
4696         {
4697             m_actionTriggers.erase(it);
4698         }
4699     }
4700 }
4701
4702 void wxPropertyGrid::HandleKeyEvent( wxKeyEvent &event, bool fromChild )
4703 {
4704     //
4705     // Handles key event when editor control is not focused.
4706     //
4707
4708     wxCHECK2(!m_frozen, return);
4709
4710     // Travelsal between items, collapsing/expanding, etc.
4711     int keycode = event.GetKeyCode();
4712     bool editorFocused = IsEditorFocused();
4713
4714     if ( keycode == WXK_TAB )
4715     {
4716         wxWindow* mainControl;
4717
4718         if ( HasInternalFlag(wxPG_FL_IN_MANAGER) )
4719             mainControl = GetParent();
4720         else
4721             mainControl = this;
4722
4723         if ( !event.ShiftDown() )
4724         {
4725             if ( !editorFocused && m_wndEditor )
4726             {
4727                 DoSelectProperty( m_selected, wxPG_SEL_FOCUS );
4728             }
4729             else
4730             {
4731                 // Tab traversal workaround for platforms on which
4732                 // wxWindow::Navigate() may navigate into first child
4733                 // instead of next sibling. Does not work perfectly
4734                 // in every scenario (for instance, when property grid
4735                 // is either first or last control).
4736             #if defined(__WXGTK__)
4737                 wxWindow* sibling = mainControl->GetNextSibling();
4738                 if ( sibling )
4739                     sibling->SetFocusFromKbd();
4740             #else
4741                 Navigate(wxNavigationKeyEvent::IsForward);
4742             #endif
4743             }
4744         }
4745         else
4746         {
4747             if ( editorFocused )
4748             {
4749                 UnfocusEditor();
4750             }
4751             else
4752             {
4753             #if defined(__WXGTK__)
4754                 wxWindow* sibling = mainControl->GetPrevSibling();
4755                 if ( sibling )
4756                     sibling->SetFocusFromKbd();
4757             #else
4758                 Navigate(wxNavigationKeyEvent::IsBackward);
4759             #endif
4760             }
4761         }
4762
4763         return;
4764     }
4765
4766     // Ignore Alt and Control when they are down alone
4767     if ( keycode == WXK_ALT ||
4768          keycode == WXK_CONTROL )
4769     {
4770         event.Skip();
4771         return;
4772     }
4773
4774     int secondAction;
4775     int action = KeyEventToActions(event, &secondAction);
4776
4777     if ( editorFocused && action == wxPG_ACTION_CANCEL_EDIT )
4778     {
4779         //
4780         // Esc cancels any changes
4781         if ( IsEditorsValueModified() )
4782         {
4783             EditorsValueWasNotModified();
4784
4785             // Update the control as well
4786             m_selected->GetEditorClass()->SetControlStringValue( m_selected,
4787                                                                  GetEditorControl(),
4788                                                                  m_selected->GetDisplayedString() );
4789         }
4790
4791         OnValidationFailureReset(m_selected);
4792
4793         UnfocusEditor();
4794         return;
4795     }
4796
4797     // Except for TAB and ESC, handle child control events in child control
4798     if ( fromChild )
4799     {
4800         // Only propagate event if it had modifiers
4801         if ( !event.HasModifiers() )
4802         {
4803             event.StopPropagation();
4804         }
4805         event.Skip();
4806         return;
4807     }
4808
4809     bool wasHandled = false;
4810
4811     if ( m_selected )
4812     {
4813         // Show dialog?
4814         if ( ButtonTriggerKeyTest(action, event) )
4815             return;
4816
4817         wxPGProperty* p = m_selected;
4818
4819         // Travel and expand/collapse
4820         int selectDir = -2;
4821
4822         if ( p->GetChildCount() )
4823         {
4824             if ( action == wxPG_ACTION_COLLAPSE_PROPERTY || secondAction == wxPG_ACTION_COLLAPSE_PROPERTY )
4825             {
4826                 if ( (m_windowStyle & wxPG_HIDE_MARGIN) || Collapse(p) )
4827                     wasHandled = true;
4828             }
4829             else if ( action == wxPG_ACTION_EXPAND_PROPERTY || secondAction == wxPG_ACTION_EXPAND_PROPERTY )
4830             {
4831                 if ( (m_windowStyle & wxPG_HIDE_MARGIN) || Expand(p) )
4832                     wasHandled = true;
4833             }
4834         }
4835
4836         if ( !wasHandled )
4837         {
4838             if ( action == wxPG_ACTION_PREV_PROPERTY || secondAction == wxPG_ACTION_PREV_PROPERTY )
4839             {
4840                 selectDir = -1;
4841             }
4842             else if ( action == wxPG_ACTION_NEXT_PROPERTY || secondAction == wxPG_ACTION_NEXT_PROPERTY )
4843             {
4844                 selectDir = 1;
4845             }
4846         }
4847
4848         if ( selectDir >= -1 )
4849         {
4850             p = wxPropertyGridIterator::OneStep( m_pState, wxPG_ITERATE_VISIBLE, p, selectDir );
4851             if ( p )
4852                 DoSelectProperty(p);
4853             wasHandled = true;
4854         }
4855     }
4856     else
4857     {
4858         // If nothing was selected, select the first item now
4859         // (or navigate out of tab).
4860         if ( action != wxPG_ACTION_CANCEL_EDIT && secondAction != wxPG_ACTION_CANCEL_EDIT )
4861         {
4862             wxPGProperty* p = wxPropertyGridInterface::GetFirst();
4863             if ( p ) DoSelectProperty(p);
4864             wasHandled = true;
4865         }
4866     }
4867
4868     if ( !wasHandled )
4869         event.Skip();
4870 }
4871
4872 // -----------------------------------------------------------------------
4873
4874 void wxPropertyGrid::OnKey( wxKeyEvent &event )
4875 {
4876     // If there was editor open and focused, then this event should not
4877     // really be processed here.
4878     if ( IsEditorFocused() )
4879     {
4880         // However, if event had modifiers, it is probably still best
4881         // to skip it.
4882         if ( event.HasModifiers() )
4883             event.Skip();
4884         else
4885             event.StopPropagation();
4886         return;
4887     }
4888
4889     HandleKeyEvent(event, false);
4890 }
4891
4892 // -----------------------------------------------------------------------
4893
4894 bool wxPropertyGrid::ButtonTriggerKeyTest( int action, wxKeyEvent& event )
4895 {
4896     if ( action == -1 )
4897     {
4898         int secondAction;
4899         action = KeyEventToActions(event, &secondAction);
4900     }
4901
4902     // Does the keycode trigger button?
4903     if ( action == wxPG_ACTION_PRESS_BUTTON &&
4904          m_wndEditor2 )
4905     {
4906         wxCommandEvent evt(wxEVT_COMMAND_BUTTON_CLICKED, m_wndEditor2->GetId());
4907         GetEventHandler()->AddPendingEvent(evt);
4908         return true;
4909     }
4910
4911     return false;
4912 }
4913
4914 // -----------------------------------------------------------------------
4915
4916 void wxPropertyGrid::OnChildKeyDown( wxKeyEvent &event )
4917 {
4918     HandleKeyEvent(event, true);
4919 }
4920
4921 // -----------------------------------------------------------------------
4922 // wxPropertyGrid miscellaneous event handling
4923 // -----------------------------------------------------------------------
4924
4925 void wxPropertyGrid::OnIdle( wxIdleEvent& WXUNUSED(event) )
4926 {
4927     //
4928     // Check if the focus is in this control or one of its children
4929     wxWindow* newFocused = wxWindow::FindFocus();
4930
4931     if ( newFocused != m_curFocused )
4932         HandleFocusChange( newFocused );
4933 }
4934
4935 bool wxPropertyGrid::IsEditorFocused() const
4936 {
4937     wxWindow* focus = wxWindow::FindFocus();
4938
4939     if ( focus == m_wndEditor || focus == m_wndEditor2 ||
4940          focus == GetEditorControl() )
4941          return true;
4942
4943     return false;
4944 }
4945
4946 // Called by focus event handlers. newFocused is the window that becomes focused.
4947 void wxPropertyGrid::HandleFocusChange( wxWindow* newFocused )
4948 {
4949     unsigned int oldFlags = m_iFlags;
4950
4951     m_iFlags &= ~(wxPG_FL_FOCUSED);
4952
4953     wxWindow* parent = newFocused;
4954
4955     // This must be one of nextFocus' parents.
4956     while ( parent )
4957     {
4958         // Use m_eventObject, which is either wxPropertyGrid or
4959         // wxPropertyGridManager, as appropriate.
4960         if ( parent == m_eventObject )
4961         {
4962             m_iFlags |= wxPG_FL_FOCUSED;
4963             break;
4964         }
4965         parent = parent->GetParent();
4966     }
4967
4968     m_curFocused = newFocused;
4969
4970     if ( (m_iFlags & wxPG_FL_FOCUSED) !=
4971          (oldFlags & wxPG_FL_FOCUSED) )
4972     {
4973         if ( !(m_iFlags & wxPG_FL_FOCUSED) )
4974         {
4975             // Need to store changed value
4976             CommitChangesFromEditor();
4977         }
4978         else
4979         {
4980             /*
4981             //
4982             // Preliminary code for tab-order respecting
4983             // tab-traversal (but should be moved to
4984             // OnNav handler)
4985             //
4986             wxWindow* prevFocus = event.GetWindow();
4987             wxWindow* useThis = this;
4988             if ( m_iFlags & wxPG_FL_IN_MANAGER )
4989                 useThis = GetParent();
4990
4991             if ( prevFocus &&
4992                  prevFocus->GetParent() == useThis->GetParent() )
4993             {
4994                 wxList& children = useThis->GetParent()->GetChildren();
4995
4996                 wxNode* node = children.Find(prevFocus);
4997
4998                 if ( node->GetNext() &&
4999                      useThis == node->GetNext()->GetData() )
5000                     DoSelectProperty(GetFirst());
5001                 else if ( node->GetPrevious () &&
5002                           useThis == node->GetPrevious()->GetData() )
5003                     DoSelectProperty(GetLastProperty());
5004
5005             }
5006             */
5007         }
5008
5009         // Redraw selected
5010         if ( m_selected && (m_iFlags & wxPG_FL_INITIALIZED) )
5011             DrawItem( m_selected );
5012     }
5013 }
5014
5015 void wxPropertyGrid::OnFocusEvent( wxFocusEvent& event )
5016 {
5017     if ( event.GetEventType() == wxEVT_SET_FOCUS )
5018         HandleFocusChange((wxWindow*)event.GetEventObject());
5019     // Line changed to "else" when applying wxPropertyGrid patch #1675902
5020     //else if ( event.GetWindow() )
5021     else
5022         HandleFocusChange(event.GetWindow());
5023
5024     event.Skip();
5025 }
5026
5027 // -----------------------------------------------------------------------
5028
5029 void wxPropertyGrid::OnChildFocusEvent( wxChildFocusEvent& event )
5030 {
5031     HandleFocusChange((wxWindow*)event.GetEventObject());
5032     event.Skip();
5033 }
5034
5035 // -----------------------------------------------------------------------
5036
5037 void wxPropertyGrid::OnScrollEvent( wxScrollWinEvent &event )
5038 {
5039     m_iFlags |= wxPG_FL_SCROLLED;
5040
5041     event.Skip();
5042 }
5043
5044 // -----------------------------------------------------------------------
5045
5046 void wxPropertyGrid::OnCaptureChange( wxMouseCaptureChangedEvent& WXUNUSED(event) )
5047 {
5048     if ( m_iFlags & wxPG_FL_MOUSE_CAPTURED )
5049     {
5050         m_iFlags &= ~(wxPG_FL_MOUSE_CAPTURED);
5051     }
5052 }
5053
5054 // -----------------------------------------------------------------------
5055 // Property editor related functions
5056 // -----------------------------------------------------------------------
5057
5058 // noDefCheck = true prevents infinite recursion.
5059 wxPGEditor* wxPropertyGrid::RegisterEditorClass( wxPGEditor* editorClass,
5060                                                  bool noDefCheck )
5061 {
5062     wxASSERT( editorClass );
5063
5064     if ( !noDefCheck && wxPGGlobalVars->m_mapEditorClasses.empty() )
5065         RegisterDefaultEditors();
5066
5067     wxString name = editorClass->GetName();
5068
5069     // Existing editor under this name?
5070     wxPGHashMapS2P::iterator vt_it = wxPGGlobalVars->m_mapEditorClasses.find(name);
5071
5072     if ( vt_it != wxPGGlobalVars->m_mapEditorClasses.end() )
5073     {
5074         // If this name was already used, try class name.
5075         name = editorClass->GetClassInfo()->GetClassName();
5076         vt_it = wxPGGlobalVars->m_mapEditorClasses.find(name);
5077     }
5078
5079     wxCHECK_MSG( vt_it == wxPGGlobalVars->m_mapEditorClasses.end(),
5080                  (wxPGEditor*) vt_it->second,
5081                  "Editor with given name was already registered" );
5082
5083     wxPGGlobalVars->m_mapEditorClasses[name] = (void*)editorClass;
5084
5085     return editorClass;
5086 }
5087
5088 // Use this in RegisterDefaultEditors.
5089 #define wxPGRegisterDefaultEditorClass(EDITOR) \
5090     if ( wxPGEditor_##EDITOR == NULL ) \
5091     { \
5092         wxPGEditor_##EDITOR = wxPropertyGrid::RegisterEditorClass( \
5093             new wxPG##EDITOR##Editor, true ); \
5094     }
5095
5096 // Registers all default editor classes
5097 void wxPropertyGrid::RegisterDefaultEditors()
5098 {
5099     wxPGRegisterDefaultEditorClass( TextCtrl );
5100     wxPGRegisterDefaultEditorClass( Choice );
5101     wxPGRegisterDefaultEditorClass( ComboBox );
5102     wxPGRegisterDefaultEditorClass( TextCtrlAndButton );
5103 #if wxPG_INCLUDE_CHECKBOX
5104     wxPGRegisterDefaultEditorClass( CheckBox );
5105 #endif
5106     wxPGRegisterDefaultEditorClass( ChoiceAndButton );
5107
5108     // Register SpinCtrl etc. editors before use
5109     RegisterAdditionalEditors();
5110 }
5111
5112 // -----------------------------------------------------------------------
5113 // wxPGStringTokenizer
5114 //   Needed to handle C-style string lists (e.g. "str1" "str2")
5115 // -----------------------------------------------------------------------
5116
5117 wxPGStringTokenizer::wxPGStringTokenizer( const wxString& str, wxChar delimeter )
5118     : m_str(&str), m_curPos(str.begin()), m_delimeter(delimeter)
5119 {
5120 }
5121
5122 wxPGStringTokenizer::~wxPGStringTokenizer()
5123 {
5124 }
5125
5126 bool wxPGStringTokenizer::HasMoreTokens()
5127 {
5128     const wxString& str = *m_str;
5129
5130     wxString::const_iterator i = m_curPos;
5131
5132     wxUniChar delim = m_delimeter;
5133     wxUniChar a;
5134     wxUniChar prev_a = wxT('\0');
5135
5136     bool inToken = false;
5137
5138     while ( i != str.end() )
5139     {
5140         a = *i;
5141
5142         if ( !inToken )
5143         {
5144             if ( a == delim )
5145             {
5146                 inToken = true;
5147                 m_readyToken.clear();
5148             }
5149         }
5150         else
5151         {
5152             if ( prev_a != wxT('\\') )
5153             {
5154                 if ( a != delim )
5155                 {
5156                     if ( a != wxT('\\') )
5157                         m_readyToken << a;
5158                 }
5159                 else
5160                 {
5161                     ++i;
5162                     m_curPos = i;
5163                     return true;
5164                 }
5165                 prev_a = a;
5166             }
5167             else
5168             {
5169                 m_readyToken << a;
5170                 prev_a = wxT('\0');
5171             }
5172         }
5173         ++i;
5174     }
5175
5176     m_curPos = str.end();
5177
5178     if ( inToken )
5179         return true;
5180
5181     return false;
5182 }
5183
5184 wxString wxPGStringTokenizer::GetNextToken()
5185 {
5186     return m_readyToken;
5187 }
5188
5189 // -----------------------------------------------------------------------
5190 // wxPGChoiceEntry
5191 // -----------------------------------------------------------------------
5192
5193 wxPGChoiceEntry::wxPGChoiceEntry()
5194     : wxPGCell(), m_value(wxPG_INVALID_VALUE)
5195 {
5196 }
5197
5198 // -----------------------------------------------------------------------
5199 // wxPGChoicesData
5200 // -----------------------------------------------------------------------
5201
5202 wxPGChoicesData::wxPGChoicesData()
5203 {
5204     m_refCount = 1;
5205 }
5206
5207 wxPGChoicesData::~wxPGChoicesData()
5208 {
5209     Clear();
5210 }
5211
5212 void wxPGChoicesData::Clear()
5213 {
5214     m_items.clear();
5215 }
5216
5217 void wxPGChoicesData::CopyDataFrom( wxPGChoicesData* data )
5218 {
5219     wxASSERT( m_items.size() == 0 );
5220
5221     m_items = data->m_items;
5222 }
5223
5224 wxPGChoiceEntry& wxPGChoicesData::Insert( int index,
5225                                           const wxPGChoiceEntry& item )
5226 {
5227     wxVector<wxPGChoiceEntry>::iterator it;
5228     if ( index == -1 )
5229     {
5230         it = m_items.end();
5231         index = (int) m_items.size();
5232     }
5233     else
5234     {
5235         it = m_items.begin() + index;
5236     }
5237
5238     m_items.insert(it, item);
5239
5240     wxPGChoiceEntry& ownEntry = m_items[index];
5241
5242     // Need to fix value?
5243     if ( ownEntry.GetValue() == wxPG_INVALID_VALUE )
5244         ownEntry.SetValue(index);
5245
5246     return ownEntry;
5247 }
5248
5249 // -----------------------------------------------------------------------
5250 // wxPropertyGridEvent
5251 // -----------------------------------------------------------------------
5252
5253 IMPLEMENT_DYNAMIC_CLASS(wxPropertyGridEvent, wxCommandEvent)
5254
5255
5256 wxDEFINE_EVENT( wxEVT_PG_SELECTED, wxPropertyGridEvent );
5257 wxDEFINE_EVENT( wxEVT_PG_CHANGING, wxPropertyGridEvent );
5258 wxDEFINE_EVENT( wxEVT_PG_CHANGED, wxPropertyGridEvent );
5259 wxDEFINE_EVENT( wxEVT_PG_HIGHLIGHTED, wxPropertyGridEvent );
5260 wxDEFINE_EVENT( wxEVT_PG_RIGHT_CLICK, wxPropertyGridEvent );
5261 wxDEFINE_EVENT( wxEVT_PG_PAGE_CHANGED, wxPropertyGridEvent );
5262 wxDEFINE_EVENT( wxEVT_PG_ITEM_EXPANDED, wxPropertyGridEvent );
5263 wxDEFINE_EVENT( wxEVT_PG_ITEM_COLLAPSED, wxPropertyGridEvent );
5264 wxDEFINE_EVENT( wxEVT_PG_DOUBLE_CLICK, wxPropertyGridEvent );
5265
5266
5267 // -----------------------------------------------------------------------
5268
5269 void wxPropertyGridEvent::Init()
5270 {
5271     m_validationInfo = NULL;
5272     m_canVeto = false;
5273     m_wasVetoed = false;
5274 }
5275
5276 // -----------------------------------------------------------------------
5277
5278 wxPropertyGridEvent::wxPropertyGridEvent(wxEventType commandType, int id)
5279     : wxCommandEvent(commandType,id)
5280 {
5281     m_property = NULL;
5282     Init();
5283 }
5284
5285 // -----------------------------------------------------------------------
5286
5287 wxPropertyGridEvent::wxPropertyGridEvent(const wxPropertyGridEvent& event)
5288     : wxCommandEvent(event)
5289 {
5290     m_eventType = event.GetEventType();
5291     m_eventObject = event.m_eventObject;
5292     m_pg = event.m_pg;
5293     m_property = event.m_property;
5294     m_validationInfo = event.m_validationInfo;
5295     m_canVeto = event.m_canVeto;
5296     m_wasVetoed = event.m_wasVetoed;
5297 }
5298
5299 // -----------------------------------------------------------------------
5300
5301 wxPropertyGridEvent::~wxPropertyGridEvent()
5302 {
5303 }
5304
5305 // -----------------------------------------------------------------------
5306
5307 wxEvent* wxPropertyGridEvent::Clone() const
5308 {
5309     return new wxPropertyGridEvent( *this );
5310 }
5311
5312 // -----------------------------------------------------------------------
5313 // wxPropertyGridPopulator
5314 // -----------------------------------------------------------------------
5315
5316 wxPropertyGridPopulator::wxPropertyGridPopulator()
5317 {
5318     m_state = NULL;
5319     m_pg = NULL;
5320     wxPGGlobalVars->m_offline++;
5321 }
5322
5323 // -----------------------------------------------------------------------
5324
5325 void wxPropertyGridPopulator::SetState( wxPropertyGridPageState* state )
5326 {
5327     m_state = state;
5328     m_propHierarchy.clear();
5329 }
5330
5331 // -----------------------------------------------------------------------
5332
5333 void wxPropertyGridPopulator::SetGrid( wxPropertyGrid* pg )
5334 {
5335     m_pg = pg;
5336     pg->Freeze();
5337 }
5338
5339 // -----------------------------------------------------------------------
5340
5341 wxPropertyGridPopulator::~wxPropertyGridPopulator()
5342 {
5343     //
5344     // Free unused sets of choices
5345     wxPGHashMapS2P::iterator it;
5346
5347     for( it = m_dictIdChoices.begin(); it != m_dictIdChoices.end(); ++it )
5348     {
5349         wxPGChoicesData* data = (wxPGChoicesData*) it->second;
5350         data->DecRef();
5351     }
5352
5353     if ( m_pg )
5354     {
5355         m_pg->Thaw();
5356         m_pg->GetPanel()->Refresh();
5357     }
5358     wxPGGlobalVars->m_offline--;
5359 }
5360
5361 // -----------------------------------------------------------------------
5362
5363 wxPGProperty* wxPropertyGridPopulator::Add( const wxString& propClass,
5364                                             const wxString& propLabel,
5365                                             const wxString& propName,
5366                                             const wxString* propValue,
5367                                             wxPGChoices* pChoices )
5368 {
5369     wxClassInfo* classInfo = wxClassInfo::FindClass(propClass);
5370     wxPGProperty* parent = GetCurParent();
5371
5372     if ( parent->HasFlag(wxPG_PROP_AGGREGATE) )
5373     {
5374         ProcessError(wxString::Format(wxT("new children cannot be added to '%s'"),parent->GetName().c_str()));
5375         return NULL;
5376     }
5377
5378     if ( !classInfo || !classInfo->IsKindOf(CLASSINFO(wxPGProperty)) )
5379     {
5380         ProcessError(wxString::Format(wxT("'%s' is not valid property class"),propClass.c_str()));
5381         return NULL;
5382     }
5383
5384     wxPGProperty* property = (wxPGProperty*) classInfo->CreateObject();
5385
5386     property->SetLabel(propLabel);
5387     property->DoSetName(propName);
5388
5389     if ( pChoices && pChoices->IsOk() )
5390         property->SetChoices(*pChoices);
5391
5392     m_state->DoInsert(parent, -1, property);
5393
5394     if ( propValue )
5395         property->SetValueFromString( *propValue, wxPG_FULL_VALUE|
5396                                                   wxPG_PROGRAMMATIC_VALUE );
5397
5398     return property;
5399 }
5400
5401 // -----------------------------------------------------------------------
5402
5403 void wxPropertyGridPopulator::AddChildren( wxPGProperty* property )
5404 {
5405     m_propHierarchy.push_back(property);
5406     DoScanForChildren();
5407     m_propHierarchy.pop_back();
5408 }
5409
5410 // -----------------------------------------------------------------------
5411
5412 wxPGChoices wxPropertyGridPopulator::ParseChoices( const wxString& choicesString,
5413                                                    const wxString& idString )
5414 {
5415     wxPGChoices choices;
5416
5417     // Using id?
5418     if ( choicesString[0] == wxT('@') )
5419     {
5420         wxString ids = choicesString.substr(1);
5421         wxPGHashMapS2P::iterator it = m_dictIdChoices.find(ids);
5422         if ( it == m_dictIdChoices.end() )
5423             ProcessError(wxString::Format(wxT("No choices defined for id '%s'"),ids.c_str()));
5424         else
5425             choices.AssignData((wxPGChoicesData*)it->second);
5426     }
5427     else
5428     {
5429         bool found = false;
5430         if ( idString.length() )
5431         {
5432             wxPGHashMapS2P::iterator it = m_dictIdChoices.find(idString);
5433             if ( it != m_dictIdChoices.end() )
5434             {
5435                 choices.AssignData((wxPGChoicesData*)it->second);
5436                 found = true;
5437             }
5438         }
5439
5440         if ( !found )
5441         {
5442             // Parse choices string
5443             wxString::const_iterator it = choicesString.begin();
5444             wxString label;
5445             wxString value;
5446             int state = 0;
5447             bool labelValid = false;
5448
5449             for ( ; it != choicesString.end(); ++it )
5450             {
5451                 wxChar c = *it;
5452
5453                 if ( state != 1 )
5454                 {
5455                     if ( c == wxT('"') )
5456                     {
5457                         if ( labelValid )
5458                         {
5459                             long l;
5460                             if ( !value.ToLong(&l, 0) ) l = wxPG_INVALID_VALUE;
5461                             choices.Add(label, l);
5462                         }
5463                         labelValid = false;
5464                         //wxLogDebug(wxT("%s, %s"),label.c_str(),value.c_str());
5465                         value.clear();
5466                         label.clear();
5467                         state = 1;
5468                     }
5469                     else if ( c == wxT('=') )
5470                     {
5471                         if ( labelValid )
5472                         {
5473                             state = 2;
5474                         }
5475                     }
5476                     else if ( state == 2 && (wxIsalnum(c) || c == wxT('x')) )
5477                     {
5478                         value << c;
5479                     }
5480                 }
5481                 else
5482                 {
5483                     if ( c == wxT('"') )
5484                     {
5485                         state = 0;
5486                         labelValid = true;
5487                     }
5488                     else
5489                         label << c;
5490                 }
5491             }
5492
5493             if ( labelValid )
5494             {
5495                 long l;
5496                 if ( !value.ToLong(&l, 0) ) l = wxPG_INVALID_VALUE;
5497                 choices.Add(label, l);
5498             }
5499
5500             if ( !choices.IsOk() )
5501             {
5502                 choices.EnsureData();
5503             }
5504
5505             // Assign to id
5506             if ( idString.length() )
5507                 m_dictIdChoices[idString] = choices.GetData();
5508         }
5509     }
5510
5511     return choices;
5512 }
5513
5514 // -----------------------------------------------------------------------
5515
5516 bool wxPropertyGridPopulator::ToLongPCT( const wxString& s, long* pval, long max )
5517 {
5518     if ( s.Last() == wxT('%') )
5519     {
5520         wxString s2 = s.substr(0,s.length()-1);
5521         long val;
5522         if ( s2.ToLong(&val, 10) )
5523         {
5524             *pval = (val*max)/100;
5525             return true;
5526         }
5527         return false;
5528     }
5529
5530     return s.ToLong(pval, 10);
5531 }
5532
5533 // -----------------------------------------------------------------------
5534
5535 bool wxPropertyGridPopulator::AddAttribute( const wxString& name,
5536                                             const wxString& type,
5537                                             const wxString& value )
5538 {
5539     int l = m_propHierarchy.size();
5540     if ( !l )
5541         return false;
5542
5543     wxPGProperty* p = m_propHierarchy[l-1];
5544     wxString valuel = value.Lower();
5545     wxVariant variant;
5546
5547     if ( type.length() == 0 )
5548     {
5549         long v;
5550
5551         // Auto-detect type
5552         if ( valuel == wxT("true") || valuel == wxT("yes") || valuel == wxT("1") )
5553             variant = true;
5554         else if ( valuel == wxT("false") || valuel == wxT("no") || valuel == wxT("0") )
5555             variant = false;
5556         else if ( value.ToLong(&v, 0) )
5557             variant = v;
5558         else
5559             variant = value;
5560     }
5561     else
5562     {
5563         if ( type == wxT("string") )
5564         {
5565             variant = value;
5566         }
5567         else if ( type == wxT("int") )
5568         {
5569             long v = 0;
5570             value.ToLong(&v, 0);
5571             variant = v;
5572         }
5573         else if ( type == wxT("bool") )
5574         {
5575             if ( valuel == wxT("true") || valuel == wxT("yes") || valuel == wxT("1") )
5576                 variant = true;
5577             else
5578                 variant = false;
5579         }
5580         else
5581         {
5582             ProcessError(wxString::Format(wxT("Invalid attribute type '%s'"),type.c_str()));
5583             return false;
5584         }
5585     }
5586
5587     p->SetAttribute( name, variant );
5588
5589     return true;
5590 }
5591
5592 // -----------------------------------------------------------------------
5593
5594 void wxPropertyGridPopulator::ProcessError( const wxString& msg )
5595 {
5596     wxLogError(_("Error in resource: %s"),msg.c_str());
5597 }
5598
5599 // -----------------------------------------------------------------------
5600
5601 #endif  // wxUSE_PROPGRID