src/msw/combo.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/combo.cpp
   3 // Purpose:     wxMSW wxComboCtrl
   4 // Author:      Jaakko Salli
   5 // Modified by:
   6 // Created:     Apr-30-2006
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2005 Jaakko Salli
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_COMBOCTRL
  27
  28 #ifndef WX_PRECOMP
  29     #include "wx/log.h"
  30     #include "wx/combobox.h"
  31     #include "wx/dcclient.h"
  32     #include "wx/settings.h"
  33     #include "wx/dialog.h"
  34     #include "wx/stopwatch.h"
  35 #endif
  36
  37 #include "wx/dcbuffer.h"
  38 #include "wx/combo.h"
  39
  40 #include "wx/msw/registry.h"
  41 #include "wx/msw/uxtheme.h"
  42
  43 // Change to #if 1 to include tmschema.h for easier testing of theme
  44 // parameters.
  45 #if 0
  46     #include <tmschema.h>
  47 #else
  48     //----------------------------------
  49     #define EP_EDITTEXT         1
  50     #define ETS_NORMAL          1
  51     #define ETS_HOT             2
  52     #define ETS_SELECTED        3
  53     #define ETS_DISABLED        4
  54     #define ETS_FOCUSED         5
  55     #define ETS_READONLY        6
  56     #define ETS_ASSIST          7
  57     #define TMT_FILLCOLOR       3802
  58     #define TMT_TEXTCOLOR       3803
  59     #define TMT_BORDERCOLOR     3801
  60     #define TMT_EDGEFILLCOLOR   3808
  61     //----------------------------------
  62 #endif
  63
  64
  65 #define NATIVE_TEXT_INDENT_XP       4
  66 #define NATIVE_TEXT_INDENT_CLASSIC  2
  67
  68 #define TEXTCTRLXADJUST_XP          1
  69 #define TEXTCTRLYADJUST_XP          3
  70 #define TEXTCTRLXADJUST_CLASSIC     1
  71 #define TEXTCTRLYADJUST_CLASSIC     2
  72
  73 #define COMBOBOX_ANIMATION_RESOLUTION   10
  74
  75 #define COMBOBOX_ANIMATION_DURATION     200  // In milliseconds
  76
  77 #define wxMSW_DESKTOP_USERPREFERENCESMASK_COMBOBOXANIM    (1<<26)
  78
  79
  80 // ============================================================================
  81 // implementation
  82 // ============================================================================
  83
  84
  85 BEGIN_EVENT_TABLE(wxComboCtrl, wxComboCtrlBase)
  86     EVT_PAINT(wxComboCtrl::OnPaintEvent)
  87     EVT_MOUSE_EVENTS(wxComboCtrl::OnMouseEvent)
  88     EVT_TIMER(wxID_ANY, wxComboCtrl::OnTimerEvent)
  89 END_EVENT_TABLE()
  90
  91
  92 IMPLEMENT_DYNAMIC_CLASS(wxComboCtrl, wxComboCtrlBase)
  93
  94 void wxComboCtrl::Init()
  95 {
  96 }
  97
  98 bool wxComboCtrl::Create(wxWindow *parent,
  99                             wxWindowID id,
 100                             const wxString& value,
 101                             const wxPoint& pos,
 102                             const wxSize& size,
 103                             long style,
 104                             const wxValidator& validator,
 105                             const wxString& name)
 106 {
 107
 108     // Set border
 109     long border = style & wxBORDER_MASK;
 110
 111     wxUxThemeEngine* theme = wxUxThemeEngine::GetIfActive();
 112
 113     if ( !border )
 114     {
 115         // For XP, have 1-width custom border, for older version use sunken
 116         if ( theme )
 117         {
 118             border = wxBORDER_NONE;
 119             m_widthCustomBorder = 1;
 120         }
 121         else
 122             border = wxBORDER_SUNKEN;
 123
 124         style = (style & ~(wxBORDER_MASK)) | border;
 125     }
 126
 127     // create main window
 128     if ( !wxComboCtrlBase::Create(parent,
 129                            id,
 130                            value,
 131                            pos,
 132                            size,
 133                            style | wxFULL_REPAINT_ON_RESIZE,
 134                            wxDefaultValidator,
 135                            name) )
 136         return false;
 137
 138     if ( style & wxCC_STD_BUTTON )
 139         m_iFlags |= wxCC_POPUP_ON_MOUSE_UP;
 140
 141     // Create textctrl, if necessary
 142     CreateTextCtrl( wxNO_BORDER, validator );
 143
 144     // Add keyboard input handlers for main control and textctrl
 145     InstallInputHandlers();
 146
 147     // Prepare background for double-buffering
 148     SetBackgroundStyle( wxBG_STYLE_CUSTOM );
 149
 150     // SetBestSize should be called last
 151     SetBestSize(size);
 152
 153     return true;
 154 }
 155
 156 wxComboCtrl::~wxComboCtrl()
 157 {
 158 }
 159
 160 void wxComboCtrl::OnThemeChange()
 161 {
 162     wxUxThemeEngine* theme = wxUxThemeEngine::GetIfActive();
 163     if ( theme )
 164     {
 165         wxUxThemeHandle hTheme(this, L"COMBOBOX");
 166
 167         COLORREF col;
 168         theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_FILLCOLOR,&col);
 169         SetBackgroundColour(wxRGBToColour(col));
 170         theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_TEXTCOLOR,&col);
 171         SetForegroundColour(wxRGBToColour(col));
 172     }
 173     else
 174     {
 175         SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 176         SetForegroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
 177     }
 178 }
 179
 180 void wxComboCtrl::OnResize()
 181 {
 182     //
 183     // Recalculates button and textctrl areas
 184
 185     int textCtrlXAdjust;
 186     int textCtrlYAdjust;
 187
 188     if ( wxUxThemeEngine::GetIfActive() )
 189     {
 190         textCtrlXAdjust = TEXTCTRLXADJUST_XP;
 191         textCtrlYAdjust = TEXTCTRLYADJUST_XP;
 192     }
 193     else
 194     {
 195         textCtrlXAdjust = TEXTCTRLXADJUST_CLASSIC;
 196         textCtrlYAdjust = TEXTCTRLYADJUST_CLASSIC;
 197     }
 198
 199     // Technically Classic Windows style combo has more narrow button,
 200     // but the native renderer doesn't paint it well like that.
 201     int btnWidth = 17;
 202     CalculateAreas(btnWidth);
 203
 204     // Position textctrl using standard routine
 205     PositionTextCtrl(textCtrlXAdjust,textCtrlYAdjust);
 206 }
 207
 208 // Draws non-XP GUI dotted line around the focus area
 209 static void wxMSWDrawFocusRect( wxDC& dc, const wxRect& rect )
 210 {
 211 #if !defined(__WXWINCE__)
 212     /*
 213     RECT mswRect;
 214     mswRect.left = rect.x;
 215     mswRect.top = rect.y;
 216     mswRect.right = rect.x + rect.width;
 217     mswRect.bottom = rect.y + rect.height;
 218     HDC hdc = (HDC) dc.GetHDC();
 219     SetMapMode(hdc,MM_TEXT); // Just in case...
 220     DrawFocusRect(hdc,&mswRect);
 221     */
 222     // FIXME: Use DrawFocusRect code above (currently it draws solid line
 223     //   for caption focus but works ok for other stuff).
 224     //   Also, this code below may not work in future wx versions, since
 225     //   it employs wxCAP_BUTT hack to have line of width 1.
 226     dc.SetLogicalFunction(wxINVERT);
 227
 228     wxPen pen(*wxBLACK,1,wxDOT);
 229     pen.SetCap(wxCAP_BUTT);
 230     dc.SetPen(pen);
 231     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 232
 233     dc.DrawRectangle(rect);
 234
 235     dc.SetLogicalFunction(wxCOPY);
 236 #else
 237     dc.SetLogicalFunction(wxINVERT);
 238
 239     dc.SetPen(wxPen(*wxBLACK,1,wxDOT));
 240     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 241
 242     dc.DrawRectangle(rect);
 243
 244     dc.SetLogicalFunction(wxCOPY);
 245 #endif
 246 }
 247
 248 // draw focus background on area in a way typical on platform
 249 void
 250 wxComboCtrl::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
 251 {
 252     wxUxThemeHandle hTheme(this, L"COMBOBOX");
 253     //COLORREF cref;
 254
 255     wxSize sz = GetClientSize();
 256     bool isEnabled;
 257     bool isFocused; // also selected
 258
 259     // For smaller size control (and for disabled background) use less spacing
 260     int focusSpacingX;
 261     int focusSpacingY;
 262
 263     if ( !(flags & wxCONTROL_ISSUBMENU) )
 264     {
 265         // Drawing control
 266         isEnabled = IsEnabled();
 267         isFocused = ShouldDrawFocus();
 268
 269         // Windows-style: for smaller size control (and for disabled background) use less spacing
 270         if ( hTheme )
 271         {
 272             // WinXP  Theme
 273             focusSpacingX = isEnabled ? 2 : 1;
 274             focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
 275         }
 276         else
 277         {
 278             // Classic Theme
 279             if ( isEnabled )
 280             {
 281                 focusSpacingX = 1;
 282                 focusSpacingY = 1;
 283             }
 284             else
 285             {
 286                 focusSpacingX = 0;
 287                 focusSpacingY = 0;
 288             }
 289         }
 290     }
 291     else
 292     {
 293         // Drawing a list item
 294         isEnabled = true; // they are never disabled
 295         isFocused = flags & wxCONTROL_SELECTED ? true : false;
 296
 297         focusSpacingX = 0;
 298         focusSpacingY = 0;
 299     }
 300
 301     // Set the background sub-rectangle for selection, disabled etc
 302     wxRect selRect(rect);
 303     selRect.y += focusSpacingY;
 304     selRect.height -= (focusSpacingY*2);
 305
 306     int wcp = 0;
 307
 308     if ( !(flags & wxCONTROL_ISSUBMENU) )
 309         wcp += m_widthCustomPaint;
 310
 311     selRect.x += wcp + focusSpacingX;
 312     selRect.width -= wcp + (focusSpacingX*2);
 313
 314     //wxUxThemeEngine* theme = (wxUxThemeEngine*) NULL;
 315     //if ( hTheme )
 316     //    theme = wxUxThemeEngine::GetIfActive();
 317
 318     wxColour bgCol;
 319     bool drawDottedEdge = false;
 320
 321     if ( isEnabled )
 322     {
 323         // If popup is hidden and this control is focused,
 324         // then draw the focus-indicator (selbgcolor background etc.).
 325         if ( isFocused )
 326         {
 327         #if 0
 328             // TODO: Proper theme color getting (JMS: I don't know which parts/colors to use,
 329             //       those below don't work)
 330             if ( hTheme )
 331             {
 332                 theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_SELECTED,TMT_TEXTCOLOR,&cref);
 333                 dc.SetTextForeground( wxRGBToColour(cref) );
 334                 theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_SELECTED,TMT_FILLCOLOR,&cref);
 335                 bgCol = wxRGBToColour(cref);
 336             }
 337             else
 338         #endif
 339             {
 340                 dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
 341                 bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
 342                 if ( m_windowStyle & wxCB_READONLY )
 343                     drawDottedEdge = true;
 344             }
 345         }
 346         else
 347         {
 348             /*if ( hTheme )
 349             {
 350                 theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_TEXTCOLOR,&cref);
 351                 dc.SetTextForeground( wxRGBToColour(cref) );
 352                 theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_FILLCOLOR,&cref);
 353                 bgCol = wxRGBToColour(cref);
 354             }
 355             else
 356             {*/
 357                 dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
 358                 bgCol = GetBackgroundColour();
 359             //}
 360         }
 361     }
 362     else
 363     {
 364         /*if ( hTheme )
 365         {
 366             theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_DISABLED,TMT_TEXTCOLOR,&cref);
 367             dc.SetTextForeground( wxRGBToColour(cref) );
 368             theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_DISABLED,TMT_EDGEFILLCOLOR,&cref);
 369             bgCol = wxRGBToColour(cref);
 370         }
 371         else
 372         {*/
 373             dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
 374             bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 375         //}
 376     }
 377
 378     dc.SetBrush(bgCol);
 379     dc.SetPen(bgCol);
 380     dc.DrawRectangle(selRect);
 381     if ( drawDottedEdge )
 382         wxMSWDrawFocusRect(dc,selRect);
 383
 384     // Don't clip exactly to the selection rectangle so we can draw
 385     // to the non-selected area in front of it.
 386     wxRect clipRect(rect.x,rect.y,
 387                     (selRect.x+selRect.width)-rect.x-1,rect.height);
 388     dc.SetClippingRegion(clipRect);
 389 }
 390
 391 void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
 392 {
 393     // TODO: Convert drawing in this function to Windows API Code
 394
 395     wxSize sz = GetClientSize();
 396     wxAutoBufferedPaintDC dc(this);
 397
 398     const wxRect& rectb = m_btnArea;
 399     wxRect rect = m_tcArea;
 400     bool isEnabled = IsEnabled();
 401     wxColour bgCol = GetBackgroundColour();
 402     wxColour fgCol;
 403
 404     wxUxThemeEngine* theme = NULL;
 405     wxUxThemeHandle hTheme(this, L"COMBOBOX");
 406     int etsState;
 407
 408     // area around both controls
 409     wxRect rect2(0,0,sz.x,sz.y);
 410     if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
 411     {
 412         rect2 = m_tcArea;
 413         rect2.Inflate(1);
 414     }
 415
 416     // Use theme to draw border on XP
 417     if ( hTheme )
 418     {
 419         theme = wxUxThemeEngine::GetIfActive();
 420         COLORREF cref;
 421
 422         // Select correct border colour
 423         if ( !isEnabled )
 424             etsState = ETS_DISABLED;
 425         else
 426             etsState = ETS_NORMAL;
 427
 428         if ( m_widthCustomBorder )
 429         {
 430             theme->GetThemeColor(hTheme,EP_EDITTEXT,etsState,TMT_BORDERCOLOR,&cref);
 431
 432             // Set border colour
 433             dc.SetPen( wxRGBToColour(cref) );
 434
 435             dc.SetBrush( *wxTRANSPARENT_BRUSH );
 436             dc.DrawRectangle(rect2);
 437         }
 438
 439         theme->GetThemeColor(hTheme,EP_EDITTEXT,etsState,TMT_TEXTCOLOR,&cref);
 440         fgCol = wxRGBToColour(cref);
 441     }
 442     else
 443     {
 444         // draw regular background
 445         fgCol = GetForegroundColour();
 446     }
 447
 448     rect2.Deflate(m_widthCustomBorder);
 449
 450     dc.SetBrush(bgCol);
 451     dc.SetPen(bgCol);
 452
 453     // clear main background
 454     dc.DrawRectangle(rect);
 455
 456     // Button background with theme?
 457     bool drawButBg = true;
 458     if ( hTheme && m_blankButtonBg )
 459     {
 460         RECT r;
 461         wxCopyRectToRECT(rectb, r);
 462
 463         // Draw parent background if needed (since button looks like its out of
 464         // the combo, this is preferred).
 465         theme->DrawThemeParentBackground(GetHwndOf(this),
 466                                          GetHdcOf(dc),
 467                                          &r);
 468
 469         drawButBg = false;
 470     }
 471
 472     // Standard button rendering
 473     DrawButton(dc,rectb,drawButBg);
 474
 475     // paint required portion on the control
 476     if ( (!m_text || m_widthCustomPaint) )
 477     {
 478         wxASSERT( m_widthCustomPaint >= 0 );
 479
 480         // this is intentionally here to allow drawed rectangle's
 481         // right edge to be hidden
 482         if ( m_text )
 483             rect.width = m_widthCustomPaint;
 484
 485         dc.SetFont( GetFont() );
 486
 487         dc.SetClippingRegion(rect);
 488         if ( m_popupInterface )
 489             m_popupInterface->PaintComboControl(dc,rect);
 490         else
 491             wxComboPopup::DefaultPaintComboControl(this,dc,rect);
 492     }
 493 }
 494
 495 void wxComboCtrl::OnMouseEvent( wxMouseEvent& event )
 496 {
 497     int mx = event.m_x;
 498     bool isOnButtonArea = m_btnArea.Contains(mx,event.m_y);
 499     int handlerFlags = isOnButtonArea ? wxCC_MF_ON_BUTTON : 0;
 500
 501     if ( PreprocessMouseEvent(event,isOnButtonArea) )
 502         return;
 503
 504     if ( (m_windowStyle & (wxCC_SPECIAL_DCLICK|wxCB_READONLY)) == wxCB_READONLY )
 505     {
 506         // if no textctrl and no special double-click, then the entire control acts
 507         // as a button
 508         handlerFlags |= wxCC_MF_ON_BUTTON;
 509         if ( HandleButtonMouseEvent(event,handlerFlags) )
 510             return;
 511     }
 512     else
 513     {
 514         if ( isOnButtonArea || HasCapture() ||
 515              (m_widthCustomPaint && mx < (m_tcArea.x+m_widthCustomPaint)) )
 516         {
 517             handlerFlags |= wxCC_MF_ON_CLICK_AREA;
 518
 519             if ( HandleButtonMouseEvent(event,handlerFlags) )
 520                 return;
 521         }
 522         else if ( m_btnState )
 523         {
 524             // otherwise need to clear the hover status
 525             m_btnState = 0;
 526             RefreshRect(m_btnArea);
 527         }
 528     }
 529
 530     //
 531     // This will handle left_down and left_dclick events outside button in a Windows-like manner.
 532     // See header file for further information on this method.
 533     HandleNormalMouseEvent(event);
 534
 535 }
 536
 537 #if wxUSE_COMBOCTRL_POPUP_ANIMATION
 538 static wxUint32 GetUserPreferencesMask()
 539 {
 540     static wxUint32 userPreferencesMask = 0;
 541     static bool valueSet = false;
 542
 543     if ( valueSet )
 544         return userPreferencesMask;
 545
 546     wxRegKey key(wxRegKey::HKCU, wxT("Control Panel\\Desktop"));
 547     if( key.Open(wxRegKey::Read) )
 548     {
 549         wxMemoryBuffer buf;
 550         if ( key.QueryValue(wxT("UserPreferencesMask"), buf) )
 551         {
 552             if ( buf.GetDataLen() >= 4 )
 553             {
 554                 wxByte* p = (wxByte*) buf.GetData();
 555                 userPreferencesMask = p[3] + (p[2]<<8) + (p[1]<<16) + (p[0]<<24);
 556             }
 557         }
 558     }
 559
 560     valueSet = true;
 561
 562     return userPreferencesMask;
 563 }
 564 #endif
 565
 566 #if wxUSE_COMBOCTRL_POPUP_ANIMATION
 567 void wxComboCtrl::OnTimerEvent( wxTimerEvent& WXUNUSED(event) )
 568 {
 569     bool stopTimer = false;
 570
 571     wxWindow* popup = GetPopupControl()->GetControl();
 572
 573     // Popup was hidden before it was fully shown?
 574     if ( IsPopupWindowState(Hidden) )
 575     {
 576         stopTimer = true;
 577     }
 578     else
 579     {
 580         wxLongLong t = ::wxGetLocalTimeMillis();
 581         const wxRect& rect = m_animRect;
 582         wxWindow* win = GetPopupWindow();
 583
 584         int pos = (int) (t-m_animStart).GetLo();
 585         if ( pos < COMBOBOX_ANIMATION_DURATION )
 586         {
 587             int height = rect.height;
 588             //int h0 = rect.height;
 589             int h = (((pos*256)/COMBOBOX_ANIMATION_DURATION)*height)/256;
 590             int y = (height - h);
 591             if ( y < 0 )
 592                 y = 0;
 593
 594             if ( m_animFlags & ShowAbove )
 595             {
 596                 win->SetSize( rect.x, rect.y + height - h, rect.width, h );
 597             }
 598             else
 599             {
 600                 popup->Move( 0, -y );
 601                 win->SetSize( rect.x, rect.y, rect.width, h );
 602             }
 603         }
 604         else
 605         {
 606             stopTimer = true;
 607         }
 608     }
 609
 610     if ( stopTimer )
 611     {
 612         popup->Move( 0, 0 );
 613         m_animTimer.Stop();
 614         DoShowPopup( m_animRect, m_animFlags );
 615     }
 616 }
 617 #endif
 618
 619 #if wxUSE_COMBOCTRL_POPUP_ANIMATION
 620 bool wxComboCtrl::AnimateShow( const wxRect& rect, int flags )
 621 {
 622     if ( GetUserPreferencesMask() & wxMSW_DESKTOP_USERPREFERENCESMASK_COMBOBOXANIM )
 623     {
 624         m_animStart = ::wxGetLocalTimeMillis();
 625         m_animRect = rect;
 626         m_animFlags = flags;
 627
 628         wxWindow* win = GetPopupWindow();
 629         win->SetSize( rect.x, rect.y, rect.width, 0 );
 630         win->Show();
 631
 632         m_animTimer.SetOwner( this, wxID_ANY );
 633         m_animTimer.Start( COMBOBOX_ANIMATION_RESOLUTION, wxTIMER_CONTINUOUS );
 634
 635         OnTimerEvent(*((wxTimerEvent*)NULL));  // Event is never used, so we can give NULL
 636
 637         return false;
 638     }
 639
 640     return true;
 641 }
 642 #endif
 643
 644 wxCoord wxComboCtrl::GetNativeTextIndent() const
 645 {
 646     if ( wxUxThemeEngine::GetIfActive() )
 647         return NATIVE_TEXT_INDENT_XP;
 648     return NATIVE_TEXT_INDENT_CLASSIC;
 649 }
 650
 651 bool wxComboCtrl::IsKeyPopupToggle(const wxKeyEvent& event) const
 652 {
 653     const bool isPopupShown = IsPopupShown();
 654
 655     switch ( event.GetKeyCode() )
 656     {
 657         case WXK_F4:
 658             // F4 toggles the popup in the native comboboxes, so emulate them
 659             if ( !event.AltDown() )
 660                 return true;
 661             break;
 662
 663         case WXK_ESCAPE:
 664             if ( isPopupShown )
 665                 return true;
 666             break;
 667
 668         case WXK_DOWN:
 669         case WXK_UP:
 670             // On XP or with writable combo in Classic, arrows don't open the
 671             // popup but Alt-arrow does
 672             if ( event.AltDown() ||
 673                     ( !isPopupShown &&
 674                       HasFlag(wxCB_READONLY) &&
 675                       !wxUxThemeEngine::GetIfActive()
 676                     ) )
 677             {
 678                 return true;
 679             }
 680             break;
 681     }
 682
 683     return false;
 684 }
 685
 686 #endif // wxUSE_COMBOCTRL