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     #include <VSStyle.h>
  48 #else
  49     //----------------------------------
  50     #define EP_EDITTEXT         1
  51     #define ETS_NORMAL          1
  52     #define ETS_HOT             2
  53     #define ETS_SELECTED        3
  54     #define ETS_DISABLED        4
  55     #define ETS_FOCUSED         5
  56     #define ETS_READONLY        6
  57     #define ETS_ASSIST          7
  58     #define TMT_FILLCOLOR       3802
  59     #define TMT_TEXTCOLOR       3803
  60     #define TMT_BORDERCOLOR     3801
  61     #define TMT_EDGEFILLCOLOR   3808
  62     #define TMT_BGTYPE          4001
  63
  64     #define BT_IMAGEFILE        0
  65     #define BT_BORDERFILL       1
  66
  67     #define CP_DROPDOWNBUTTON           1
  68     #define CP_BACKGROUND               2 // This and above are Vista and later only
  69     #define CP_TRANSPARENTBACKGROUND    3
  70     #define CP_BORDER                   4
  71     #define CP_READONLY                 5
  72     #define CP_DROPDOWNBUTTONRIGHT      6
  73     #define CP_DROPDOWNBUTTONLEFT       7
  74     #define CP_CUEBANNER                8
  75
  76     #define CBXS_NORMAL                 1
  77     #define CBXS_HOT                    2
  78     #define CBXS_PRESSED                3
  79     #define CBXS_DISABLED               4
  80
  81     #define CBXSR_NORMAL                1
  82     #define CBXSR_HOT                   2
  83     #define CBXSR_PRESSED               3
  84     #define CBXSR_DISABLED              4
  85
  86     #define CBXSL_NORMAL                1
  87     #define CBXSL_HOT                   2
  88     #define CBXSL_PRESSED               3
  89     #define CBXSL_DISABLED              4
  90
  91     #define CBTBS_NORMAL                1
  92     #define CBTBS_HOT                   2
  93     #define CBTBS_DISABLED              3
  94     #define CBTBS_FOCUSED               4
  95
  96     #define CBB_NORMAL                  1
  97     #define CBB_HOT                     2
  98     #define CBB_FOCUSED                 3
  99     #define CBB_DISABLED                4
 100
 101     #define CBRO_NORMAL                 1
 102     #define CBRO_HOT                    2
 103     #define CBRO_PRESSED                3
 104     #define CBRO_DISABLED               4
 105
 106     #define CBCB_NORMAL                 1
 107     #define CBCB_HOT                    2
 108     #define CBCB_PRESSED                3
 109     #define CBCB_DISABLED               4
 110
 111 #endif
 112
 113
 114 #define NATIVE_TEXT_INDENT_XP       4
 115 #define NATIVE_TEXT_INDENT_CLASSIC  2
 116
 117 #define TEXTCTRLXADJUST_XP          1
 118 #define TEXTCTRLYADJUST_XP          3
 119 #define TEXTCTRLXADJUST_CLASSIC     1
 120 #define TEXTCTRLYADJUST_CLASSIC     3
 121
 122 #define COMBOBOX_ANIMATION_RESOLUTION   10
 123
 124 #define COMBOBOX_ANIMATION_DURATION     200  // In milliseconds
 125
 126 #define wxMSW_DESKTOP_USERPREFERENCESMASK_COMBOBOXANIM    (1<<2)
 127
 128
 129 // ============================================================================
 130 // implementation
 131 // ============================================================================
 132
 133
 134 BEGIN_EVENT_TABLE(wxComboCtrl, wxComboCtrlBase)
 135     EVT_PAINT(wxComboCtrl::OnPaintEvent)
 136     EVT_MOUSE_EVENTS(wxComboCtrl::OnMouseEvent)
 137 #if wxUSE_COMBOCTRL_POPUP_ANIMATION
 138     EVT_TIMER(wxID_ANY, wxComboCtrl::OnTimerEvent)
 139 #endif
 140 END_EVENT_TABLE()
 141
 142
 143 IMPLEMENT_DYNAMIC_CLASS(wxComboCtrl, wxComboCtrlBase)
 144
 145 void wxComboCtrl::Init()
 146 {
 147 }
 148
 149 bool wxComboCtrl::Create(wxWindow *parent,
 150                             wxWindowID id,
 151                             const wxString& value,
 152                             const wxPoint& pos,
 153                             const wxSize& size,
 154                             long style,
 155                             const wxValidator& validator,
 156                             const wxString& name)
 157 {
 158
 159     // Set border
 160     long border = style & wxBORDER_MASK;
 161
 162     wxUxThemeEngine* theme = wxUxThemeEngine::GetIfActive();
 163
 164     if ( !border )
 165     {
 166         if ( theme )
 167         {
 168             // For XP, have 1-width custom border, for older version use sunken
 169             border = wxBORDER_NONE;
 170             m_widthCustomBorder = 1;
 171         }
 172         else
 173             border = wxBORDER_SUNKEN;
 174
 175         style = (style & ~(wxBORDER_MASK)) | border;
 176     }
 177
 178     // create main window
 179     if ( !wxComboCtrlBase::Create(parent,
 180                            id,
 181                            value,
 182                            pos,
 183                            size,
 184                            style | wxFULL_REPAINT_ON_RESIZE,
 185                            wxDefaultValidator,
 186                            name) )
 187         return false;
 188
 189     if ( theme )
 190     {
 191         if ( ::wxGetWinVersion() >= wxWinVersion_Vista )
 192             m_iFlags |= wxCC_BUTTON_STAYS_DOWN |wxCC_BUTTON_COVERS_BORDER;
 193     }
 194
 195     if ( style & wxCC_STD_BUTTON )
 196         m_iFlags |= wxCC_POPUP_ON_MOUSE_UP;
 197
 198     // Create textctrl, if necessary
 199     CreateTextCtrl( wxNO_BORDER, validator );
 200
 201     // Add keyboard input handlers for main control and textctrl
 202     InstallInputHandlers();
 203
 204     // Prepare background for double-buffering
 205     SetBackgroundStyle( wxBG_STYLE_CUSTOM );
 206
 207     // SetInitialSize should be called last
 208     SetInitialSize(size);
 209
 210     return true;
 211 }
 212
 213 wxComboCtrl::~wxComboCtrl()
 214 {
 215 }
 216
 217 void wxComboCtrl::OnThemeChange()
 218 {
 219     wxUxThemeEngine* theme = wxUxThemeEngine::GetIfActive();
 220     if ( theme )
 221     {
 222         wxUxThemeHandle hTheme(this, L"COMBOBOX");
 223
 224         COLORREF col;
 225         theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_FILLCOLOR,&col);
 226         SetBackgroundColour(wxRGBToColour(col));
 227         theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_TEXTCOLOR,&col);
 228         SetForegroundColour(wxRGBToColour(col));
 229     }
 230     else
 231     {
 232         SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 233         SetForegroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
 234     }
 235 }
 236
 237 void wxComboCtrl::OnResize()
 238 {
 239     //
 240     // Recalculates button and textctrl areas
 241
 242     int textCtrlXAdjust;
 243     int textCtrlYAdjust;
 244
 245     if ( wxUxThemeEngine::GetIfActive() )
 246     {
 247         textCtrlXAdjust = TEXTCTRLXADJUST_XP;
 248         textCtrlYAdjust = TEXTCTRLYADJUST_XP;
 249     }
 250     else
 251     {
 252         textCtrlXAdjust = TEXTCTRLXADJUST_CLASSIC;
 253         textCtrlYAdjust = TEXTCTRLYADJUST_CLASSIC;
 254     }
 255
 256     // Technically Classic Windows style combo has more narrow button,
 257     // but the native renderer doesn't paint it well like that.
 258     int btnWidth = 17;
 259     CalculateAreas(btnWidth);
 260
 261     // Position textctrl using standard routine
 262     PositionTextCtrl(textCtrlXAdjust,textCtrlYAdjust);
 263 }
 264
 265 // Draws non-XP GUI dotted line around the focus area
 266 static void wxMSWDrawFocusRect( wxDC& dc, const wxRect& rect )
 267 {
 268 #if !defined(__WXWINCE__)
 269     /*
 270     RECT mswRect;
 271     mswRect.left = rect.x;
 272     mswRect.top = rect.y;
 273     mswRect.right = rect.x + rect.width;
 274     mswRect.bottom = rect.y + rect.height;
 275     HDC hdc = (HDC) dc.GetHDC();
 276     SetMapMode(hdc,MM_TEXT); // Just in case...
 277     DrawFocusRect(hdc,&mswRect);
 278     */
 279     // FIXME: Use DrawFocusRect code above (currently it draws solid line
 280     //   for caption focus but works ok for other stuff).
 281     //   Also, this code below may not work in future wx versions, since
 282     //   it employs wxCAP_BUTT hack to have line of width 1.
 283     dc.SetLogicalFunction(wxINVERT);
 284
 285     wxPen pen(*wxBLACK,1,wxDOT);
 286     pen.SetCap(wxCAP_BUTT);
 287     dc.SetPen(pen);
 288     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 289
 290     dc.DrawRectangle(rect);
 291
 292     dc.SetLogicalFunction(wxCOPY);
 293 #else
 294     dc.SetLogicalFunction(wxINVERT);
 295
 296     dc.SetPen(wxPen(*wxBLACK,1,wxDOT));
 297     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 298
 299     dc.DrawRectangle(rect);
 300
 301     dc.SetLogicalFunction(wxCOPY);
 302 #endif
 303 }
 304
 305 // draw focus background on area in a way typical on platform
 306 void
 307 wxComboCtrl::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
 308 {
 309     wxUxThemeHandle hTheme(this, L"COMBOBOX");
 310
 311     wxSize sz = GetClientSize();
 312     bool isEnabled;
 313     bool doDrawFocusRect; // also selected
 314
 315     // For smaller size control (and for disabled background) use less spacing
 316     int focusSpacingX;
 317     int focusSpacingY;
 318
 319     if ( !(flags & wxCONTROL_ISSUBMENU) )
 320     {
 321         // Drawing control
 322         isEnabled = IsEnabled();
 323         doDrawFocusRect = ShouldDrawFocus();
 324
 325         // Windows-style: for smaller size control (and for disabled background) use less spacing
 326         if ( hTheme )
 327         {
 328             // WinXP  Theme
 329             focusSpacingX = isEnabled ? 2 : 1;
 330             focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
 331         }
 332         else
 333         {
 334             // Classic Theme
 335             if ( isEnabled )
 336             {
 337                 focusSpacingX = 1;
 338                 focusSpacingY = 1;
 339             }
 340             else
 341             {
 342                 focusSpacingX = 0;
 343                 focusSpacingY = 0;
 344             }
 345         }
 346     }
 347     else
 348     {
 349         // Drawing a list item
 350         isEnabled = true; // they are never disabled
 351         doDrawFocusRect = flags & wxCONTROL_SELECTED ? true : false;
 352
 353         focusSpacingX = 0;
 354         focusSpacingY = 0;
 355     }
 356
 357     // Set the background sub-rectangle for selection, disabled etc
 358     wxRect selRect(rect);
 359     selRect.y += focusSpacingY;
 360     selRect.height -= (focusSpacingY*2);
 361
 362     int wcp = 0;
 363
 364     if ( !(flags & wxCONTROL_ISSUBMENU) )
 365         wcp += m_widthCustomPaint;
 366
 367     selRect.x += wcp + focusSpacingX;
 368     selRect.width -= wcp + (focusSpacingX*2);
 369
 370     //wxUxThemeEngine* theme = (wxUxThemeEngine*) NULL;
 371     //if ( hTheme )
 372     //    theme = wxUxThemeEngine::GetIfActive();
 373
 374     wxColour bgCol;
 375     bool doDrawDottedEdge = false;
 376     bool doDrawSelRect = true;
 377
 378     // TODO: doDrawDottedEdge = true when focus has arrived to control via tab.
 379     //       (and other cases which are not that apparent).
 380
 381     if ( isEnabled )
 382     {
 383         // If popup is hidden and this control is focused,
 384         // then draw the focus-indicator (selbgcolor background etc.).
 385         if ( doDrawFocusRect )
 386         {
 387             // NB: We can't really use XP visual styles to get TMT_TEXTCOLOR since
 388             //     it is not properly defined for combo boxes. Instead, they expect
 389             //     you to use DrawThemeText.
 390             //
 391             //    Here is, however, sample code how to get theme colours:
 392             //
 393             //    COLORREF cref;
 394             //    theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_TEXTCOLOR,&cref);
 395             //    dc.SetTextForeground( wxRGBToColour(cref) );
 396             if ( (m_iFlags & wxCC_FULL_BUTTON) && !(flags & wxCONTROL_ISSUBMENU) )
 397             {
 398                 // Vista style read-only combo
 399                 doDrawSelRect = false;
 400                 doDrawDottedEdge = true;
 401             }
 402             else
 403             {
 404                 dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
 405                 bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
 406             }
 407         }
 408         else
 409         {
 410             dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
 411             bgCol = GetBackgroundColour();
 412             doDrawSelRect = false;
 413         }
 414     }
 415     else
 416     {
 417         dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
 418         bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 419     }
 420
 421     dc.SetBrush(bgCol);
 422     if ( doDrawSelRect )
 423     {
 424         dc.SetPen(bgCol);
 425         dc.DrawRectangle(selRect);
 426     }
 427
 428     if ( doDrawDottedEdge )
 429         wxMSWDrawFocusRect(dc, selRect);
 430
 431     // Don't clip exactly to the selection rectangle so we can draw
 432     // to the non-selected area in front of it.
 433     wxRect clipRect(rect.x,rect.y,
 434                     (selRect.x+selRect.width)-rect.x-1,rect.height);
 435     dc.SetClippingRegion(clipRect);
 436 }
 437
 438 void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
 439 {
 440     // TODO: Convert drawing in this function to Windows API Code
 441
 442     wxSize sz = GetClientSize();
 443     wxAutoBufferedPaintDC dc(this);
 444
 445     const wxRect& rectButton = m_btnArea;
 446     wxRect rectTextField = m_tcArea;
 447     const bool isEnabled = IsEnabled();
 448     wxColour bgCol = GetBackgroundColour();
 449
 450     HDC hDc = GetHdcOf(dc);
 451     HWND hWnd = GetHwndOf(this);
 452
 453     wxUxThemeEngine* theme = NULL;
 454     wxUxThemeHandle hTheme(this, L"COMBOBOX");
 455
 456     if ( hTheme )
 457         theme = wxUxThemeEngine::GetIfActive();
 458
 459     wxRect borderRect(0,0,sz.x,sz.y);
 460
 461     if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
 462     {
 463         borderRect = m_tcArea;
 464         borderRect.Inflate(1);
 465     }
 466
 467     int drawButFlags = 0;
 468
 469     if ( hTheme )
 470     {
 471         const bool useVistaComboBox = ::wxGetWinVersion() >= wxWinVersion_Vista;
 472
 473         RECT rFull;
 474         wxCopyRectToRECT(borderRect, rFull);
 475
 476         RECT rButton;
 477         wxCopyRectToRECT(rectButton, rButton);
 478
 479         RECT rBorder;
 480         wxCopyRectToRECT(borderRect, rBorder);
 481
 482         bool isNonStdButton = (m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE) ||
 483                               (m_iFlags & wxCC_IFLAG_HAS_NONSTANDARD_BUTTON);
 484
 485         //
 486         // Get some states for themed drawing
 487         int butState;
 488
 489         if ( !isEnabled )
 490         {
 491             butState = CBXS_DISABLED;
 492         }
 493         // Vista will display the drop-button as depressed always
 494         // when the popup window is visilbe
 495         else if ( (m_btnState & wxCONTROL_PRESSED) ||
 496                   (useVistaComboBox && !IsPopupWindowState(Hidden)) )
 497         {
 498             butState = CBXS_PRESSED;
 499         }
 500         else if ( m_btnState & wxCONTROL_CURRENT )
 501         {
 502             butState = CBXS_HOT;
 503         }
 504         else
 505         {
 506             butState = CBXS_NORMAL;
 507         }
 508
 509         int comboBoxPart = 0;  // For XP, use the 'default' part
 510         RECT* rUseForBg = &rBorder;
 511
 512         bool drawFullButton = false;
 513         int bgState = butState;
 514         const bool isFocused = (FindFocus() == GetMainWindowOfCompositeControl()) ? true : false;
 515
 516         if ( useVistaComboBox )
 517         {
 518             // FIXME: Either SetBackgroundColour or GetBackgroundColour
 519             //        doesn't work under Vista, so here's a temporary
 520             //        workaround.
 521             bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
 522
 523             // Draw the entire control as a single button?
 524             if ( !isNonStdButton )
 525             {
 526                 if ( HasFlag(wxCB_READONLY) )
 527                     drawFullButton = true;
 528             }
 529
 530             if ( drawFullButton )
 531             {
 532                 comboBoxPart = CP_READONLY;
 533                 rUseForBg = &rFull;
 534
 535                 // It should be safe enough to update this flag here.
 536                 m_iFlags |= wxCC_FULL_BUTTON;
 537             }
 538             else
 539             {
 540                 comboBoxPart = CP_BORDER;
 541                 m_iFlags &= ~wxCC_FULL_BUTTON;
 542
 543                 if ( isFocused )
 544                     bgState = CBB_FOCUSED;
 545                 else
 546                     bgState = CBB_NORMAL;
 547             }
 548         }
 549
 550         //
 551         // Draw parent's background, if necessary
 552         RECT* rUseForTb = NULL;
 553
 554         if ( theme->IsThemeBackgroundPartiallyTransparent( hTheme, comboBoxPart, bgState ) )
 555             rUseForTb = &rFull;
 556         else if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
 557             rUseForTb = &rButton;
 558
 559         if ( rUseForTb )
 560             theme->DrawThemeParentBackground( hWnd, hDc, rUseForTb );
 561
 562         //
 563         // Draw the control background (including the border)
 564         if ( m_widthCustomBorder > 0 )
 565         {
 566             theme->DrawThemeBackground( hTheme, hDc, comboBoxPart, bgState, rUseForBg, NULL );
 567         }
 568         else
 569         {
 570             // No border. We can't use theme, since it cannot be relied on
 571             // to deliver borderless drawing, even with DrawThemeBackgroundEx.
 572             dc.SetBrush(bgCol);
 573             dc.SetPen(bgCol);
 574             dc.DrawRectangle(borderRect);
 575         }
 576
 577         //
 578         // Draw the drop-button
 579         if ( !isNonStdButton )
 580         {
 581             drawButFlags = Button_BitmapOnly;
 582
 583             int butPart = CP_DROPDOWNBUTTON;
 584
 585             if ( useVistaComboBox )
 586             {
 587                 if ( drawFullButton )
 588                 {
 589                     // We need to alter the button style slightly before
 590                     // drawing the actual button (but it was good above
 591                     // when background etc was done).
 592                     if ( butState == CBXS_HOT || butState == CBXS_PRESSED )
 593                         butState = CBXS_NORMAL;
 594                 }
 595
 596                 if ( m_btnSide == wxRIGHT )
 597                     butPart = CP_DROPDOWNBUTTONRIGHT;
 598                 else
 599                     butPart = CP_DROPDOWNBUTTONLEFT;
 600
 601             }
 602             theme->DrawThemeBackground( hTheme, hDc, butPart, butState, &rButton, NULL );
 603         }
 604         else if ( useVistaComboBox &&
 605                   (m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE) )
 606         {
 607             // We'll do this, because DrawThemeParentBackground
 608             // doesn't seem to be reliable on Vista.
 609             drawButFlags |= Button_PaintBackground;
 610         }
 611     }
 612     else
 613     {
 614         // Windows 2000 and earlier
 615         drawButFlags = Button_PaintBackground;
 616
 617         dc.SetBrush(bgCol);
 618         dc.SetPen(bgCol);
 619         dc.DrawRectangle(borderRect);
 620     }
 621
 622     // Button rendering (may only do the bitmap on button, depending on the flags)
 623     DrawButton( dc, rectButton, drawButFlags );
 624
 625     // Paint required portion of the custom image on the control
 626     if ( (!m_text || m_widthCustomPaint) )
 627     {
 628         wxASSERT( m_widthCustomPaint >= 0 );
 629
 630         // this is intentionally here to allow drawed rectangle's
 631         // right edge to be hidden
 632         if ( m_text )
 633             rectTextField.width = m_widthCustomPaint;
 634
 635         dc.SetFont( GetFont() );
 636
 637         dc.SetClippingRegion(rectTextField);
 638         if ( m_popupInterface )
 639             m_popupInterface->PaintComboControl(dc,rectTextField);
 640         else
 641             wxComboPopup::DefaultPaintComboControl(this,dc,rectTextField);
 642     }
 643 }
 644
 645 void wxComboCtrl::OnMouseEvent( wxMouseEvent& event )
 646 {
 647     int mx = event.m_x;
 648     bool isOnButtonArea = m_btnArea.Contains(mx,event.m_y);
 649     int handlerFlags = isOnButtonArea ? wxCC_MF_ON_BUTTON : 0;
 650
 651     if ( PreprocessMouseEvent(event,isOnButtonArea) )
 652         return;
 653
 654     if ( (m_windowStyle & (wxCC_SPECIAL_DCLICK|wxCB_READONLY)) == wxCB_READONLY )
 655     {
 656         // if no textctrl and no special double-click, then the entire control acts
 657         // as a button
 658         handlerFlags |= wxCC_MF_ON_BUTTON;
 659         if ( HandleButtonMouseEvent(event,handlerFlags) )
 660             return;
 661     }
 662     else
 663     {
 664         if ( isOnButtonArea || HasCapture() ||
 665              (m_widthCustomPaint && mx < (m_tcArea.x+m_widthCustomPaint)) )
 666         {
 667             handlerFlags |= wxCC_MF_ON_CLICK_AREA;
 668
 669             if ( HandleButtonMouseEvent(event,handlerFlags) )
 670                 return;
 671         }
 672         else if ( m_btnState )
 673         {
 674             // otherwise need to clear the hover status
 675             m_btnState = 0;
 676             RefreshRect(m_btnArea);
 677         }
 678     }
 679
 680     //
 681     // This will handle left_down and left_dclick events outside button in a Windows-like manner.
 682     // See header file for further information on this method.
 683     HandleNormalMouseEvent(event);
 684
 685 }
 686
 687 #if wxUSE_COMBOCTRL_POPUP_ANIMATION
 688 static wxUint32 GetUserPreferencesMask()
 689 {
 690     static wxUint32 userPreferencesMask = 0;
 691     static bool valueSet = false;
 692
 693     if ( valueSet )
 694         return userPreferencesMask;
 695
 696     wxRegKey* pKey = NULL;
 697     wxRegKey key1(wxRegKey::HKCU, wxT("Software\\Policies\\Microsoft\\Control Panel"));
 698     wxRegKey key2(wxRegKey::HKCU, wxT("Software\\Policies\\Microsoft\\Windows\\Control Panel"));
 699     wxRegKey key3(wxRegKey::HKCU, wxT("Control Panel\\Desktop"));
 700
 701     if ( key1.Exists() )
 702         pKey = &key1;
 703     else if ( key2.Exists() )
 704         pKey = &key2;
 705     else if ( key3.Exists() )
 706         pKey = &key3;
 707
 708     if ( pKey && pKey->Open(wxRegKey::Read) )
 709     {
 710         wxMemoryBuffer buf;
 711         if ( pKey->HasValue(wxT("UserPreferencesMask")) &&
 712              pKey->QueryValue(wxT("UserPreferencesMask"), buf) )
 713         {
 714             if ( buf.GetDataLen() >= 4 )
 715             {
 716                 wxUint32* p = (wxUint32*) buf.GetData();
 717                 userPreferencesMask = *p;
 718             }
 719         }
 720     }
 721
 722     valueSet = true;
 723
 724     return userPreferencesMask;
 725 }
 726 #endif
 727
 728 #if wxUSE_COMBOCTRL_POPUP_ANIMATION
 729 void wxComboCtrl::OnTimerEvent( wxTimerEvent& WXUNUSED(event) )
 730 {
 731     bool stopTimer = false;
 732
 733     wxWindow* popup = GetPopupControl()->GetControl();
 734
 735     // Popup was hidden before it was fully shown?
 736     if ( IsPopupWindowState(Hidden) )
 737     {
 738         stopTimer = true;
 739     }
 740     else
 741     {
 742         wxLongLong t = ::wxGetLocalTimeMillis();
 743         const wxRect& rect = m_animRect;
 744         wxWindow* win = GetPopupWindow();
 745
 746         int pos = (int) (t-m_animStart).GetLo();
 747         if ( pos < COMBOBOX_ANIMATION_DURATION )
 748         {
 749             int height = rect.height;
 750             //int h0 = rect.height;
 751             int h = (((pos*256)/COMBOBOX_ANIMATION_DURATION)*height)/256;
 752             int y = (height - h);
 753             if ( y < 0 )
 754                 y = 0;
 755
 756             if ( m_animFlags & ShowAbove )
 757             {
 758                 win->SetSize( rect.x, rect.y + height - h, rect.width, h );
 759             }
 760             else
 761             {
 762                 popup->Move( 0, -y );
 763                 win->SetSize( rect.x, rect.y, rect.width, h );
 764             }
 765         }
 766         else
 767         {
 768             stopTimer = true;
 769         }
 770     }
 771
 772     if ( stopTimer )
 773     {
 774         popup->Move( 0, 0 );
 775         m_animTimer.Stop();
 776         DoShowPopup( m_animRect, m_animFlags );
 777     }
 778 }
 779 #endif
 780
 781 #if wxUSE_COMBOCTRL_POPUP_ANIMATION
 782 bool wxComboCtrl::AnimateShow( const wxRect& rect, int flags )
 783 {
 784     if ( GetUserPreferencesMask() & wxMSW_DESKTOP_USERPREFERENCESMASK_COMBOBOXANIM )
 785     {
 786         m_animStart = ::wxGetLocalTimeMillis();
 787         m_animRect = rect;
 788         m_animFlags = flags;
 789
 790         wxWindow* win = GetPopupWindow();
 791         win->SetSize( rect.x, rect.y, rect.width, 0 );
 792         win->Show();
 793
 794         m_animTimer.SetOwner( this, wxID_ANY );
 795         m_animTimer.Start( COMBOBOX_ANIMATION_RESOLUTION, wxTIMER_CONTINUOUS );
 796
 797         OnTimerEvent(*((wxTimerEvent*)NULL));  // Event is never used, so we can give NULL
 798
 799         return false;
 800     }
 801
 802     return true;
 803 }
 804 #endif
 805
 806 wxCoord wxComboCtrl::GetNativeTextIndent() const
 807 {
 808     if ( wxUxThemeEngine::GetIfActive() )
 809         return NATIVE_TEXT_INDENT_XP;
 810     return NATIVE_TEXT_INDENT_CLASSIC;
 811 }
 812
 813 bool wxComboCtrl::IsKeyPopupToggle(const wxKeyEvent& event) const
 814 {
 815     const bool isPopupShown = IsPopupShown();
 816
 817     switch ( event.GetKeyCode() )
 818     {
 819         case WXK_F4:
 820             // F4 toggles the popup in the native comboboxes, so emulate them
 821             if ( !event.AltDown() )
 822                 return true;
 823             break;
 824
 825         case WXK_ESCAPE:
 826             if ( isPopupShown )
 827                 return true;
 828             break;
 829
 830         case WXK_DOWN:
 831         case WXK_UP:
 832             // On XP or with writable combo in Classic, arrows don't open the
 833             // popup but Alt-arrow does
 834             if ( event.AltDown() ||
 835                     ( !isPopupShown &&
 836                       HasFlag(wxCB_READONLY) &&
 837                       !wxUxThemeEngine::GetIfActive()
 838                     ) )
 839             {
 840                 return true;
 841             }
 842             break;
 843     }
 844
 845     return false;
 846 }
 847
 848 #endif // wxUSE_COMBOCTRL