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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: msw/tbar95.cpp
3 // Purpose: wxToolBar
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 04/01/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
21 #pragma implementation "tbar95.h"
22 #endif
23
24 // For compilers that support precompilation, includes "wx.h".
25 #include "wx/wxprec.h"
26
27 #ifdef __BORLANDC__
28 #pragma hdrstop
29 #endif
30
31 #ifndef WX_PRECOMP
32 #include "wx/frame.h"
33 #include "wx/log.h"
34 #include "wx/intl.h"
35 #include "wx/dynarray.h"
36 #include "wx/settings.h"
37 #include "wx/bitmap.h"
38 #include "wx/dcmemory.h"
39 #include "wx/control.h"
40 #endif
41
42 #if wxUSE_TOOLBAR && wxUSE_TOOLBAR_NATIVE && (!defined(_WIN32_WCE) || (_WIN32_WCE >= 400 && !wxUSE_POCKETPC_UI))
43
44 #include "wx/toolbar.h"
45 #include "wx/sysopt.h"
46
47 #include "wx/msw/private.h"
48
49 // include <commctrl.h> "properly"
50 #include "wx/msw/wrapcctl.h"
51
52 #include "wx/app.h" // for GetComCtl32Version
53
54 // ----------------------------------------------------------------------------
55 // conditional compilation
56 // ----------------------------------------------------------------------------
57
58 // wxWindows previously always considered that toolbar buttons have light grey
59 // (0xc0c0c0) background and so ignored any bitmap masks - however, this
60 // doesn't work with XPMs which then appear to have black background. To make
61 // this work, we must respect the bitmap masks - which we do now. This should
62 // be ok in any case, but to restore 100% compatible with the old version
63 // behaviour, you can set this to 0.
64 #define USE_BITMAP_MASKS 1
65
66 // ----------------------------------------------------------------------------
67 // constants
68 // ----------------------------------------------------------------------------
69
70 // these standard constants are not always defined in compilers headers
71
72 // Styles
73 #ifndef TBSTYLE_FLAT
74 #define TBSTYLE_LIST 0x1000
75 #define TBSTYLE_FLAT 0x0800
76 #endif
77
78 #ifndef TBSTYLE_TRANSPARENT
79 #define TBSTYLE_TRANSPARENT 0x8000
80 #endif
81
82 #ifndef TBSTYLE_TOOLTIPS
83 #define TBSTYLE_TOOLTIPS 0x0100
84 #endif
85
86 // Messages
87 #ifndef TB_GETSTYLE
88 #define TB_SETSTYLE (WM_USER + 56)
89 #define TB_GETSTYLE (WM_USER + 57)
90 #endif
91
92 #ifndef TB_HITTEST
93 #define TB_HITTEST (WM_USER + 69)
94 #endif
95
96 // these values correspond to those used by comctl32.dll
97 #define DEFAULTBITMAPX 16
98 #define DEFAULTBITMAPY 15
99 #define DEFAULTBUTTONX 24
100 #define DEFAULTBUTTONY 24
101 #define DEFAULTBARHEIGHT 27
102
103 // ----------------------------------------------------------------------------
104 // wxWin macros
105 // ----------------------------------------------------------------------------
106
107 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxControl)
108
109 /*
110 TOOLBAR PROPERTIES
111 tool
112 bitmap
113 bitmap2
114 tooltip
115 longhelp
116 radio (bool)
117 toggle (bool)
118 separator
119 style ( wxNO_BORDER | wxTB_HORIZONTAL)
120 bitmapsize
121 margins
122 packing
123 separation
124
125 dontattachtoframe
126 */
127
128 BEGIN_EVENT_TABLE(wxToolBar, wxToolBarBase)
129 EVT_MOUSE_EVENTS(wxToolBar::OnMouseEvent)
130 EVT_SYS_COLOUR_CHANGED(wxToolBar::OnSysColourChanged)
131 END_EVENT_TABLE()
132
133 // ----------------------------------------------------------------------------
134 // private classes
135 // ----------------------------------------------------------------------------
136
137 class wxToolBarTool : public wxToolBarToolBase
138 {
139 public:
140 wxToolBarTool(wxToolBar *tbar,
141 int id,
142 const wxString& label,
143 const wxBitmap& bmpNormal,
144 const wxBitmap& bmpDisabled,
145 wxItemKind kind,
146 wxObject *clientData,
147 const wxString& shortHelp,
148 const wxString& longHelp)
149 : wxToolBarToolBase(tbar, id, label, bmpNormal, bmpDisabled, kind,
150 clientData, shortHelp, longHelp)
151 {
152 m_nSepCount = 0;
153 }
154
155 wxToolBarTool(wxToolBar *tbar, wxControl *control)
156 : wxToolBarToolBase(tbar, control)
157 {
158 m_nSepCount = 1;
159 }
160
161 virtual void SetLabel(const wxString& label)
162 {
163 if ( label == m_label )
164 return;
165
166 wxToolBarToolBase::SetLabel(label);
167
168 // we need to update the label shown in the toolbar because it has a
169 // pointer to the internal buffer of the old label
170 //
171 // TODO: use TB_SETBUTTONINFO
172 }
173
174 // set/get the number of separators which we use to cover the space used by
175 // a control in the toolbar
176 void SetSeparatorsCount(size_t count) { m_nSepCount = count; }
177 size_t GetSeparatorsCount() const { return m_nSepCount; }
178
179 private:
180 size_t m_nSepCount;
181
182 DECLARE_NO_COPY_CLASS(wxToolBarTool)
183 };
184
185
186 // ============================================================================
187 // implementation
188 // ============================================================================
189
190 // ----------------------------------------------------------------------------
191 // wxToolBarTool
192 // ----------------------------------------------------------------------------
193
194 wxToolBarToolBase *wxToolBar::CreateTool(int id,
195 const wxString& label,
196 const wxBitmap& bmpNormal,
197 const wxBitmap& bmpDisabled,
198 wxItemKind kind,
199 wxObject *clientData,
200 const wxString& shortHelp,
201 const wxString& longHelp)
202 {
203 return new wxToolBarTool(this, id, label, bmpNormal, bmpDisabled, kind,
204 clientData, shortHelp, longHelp);
205 }
206
207 wxToolBarToolBase *wxToolBar::CreateTool(wxControl *control)
208 {
209 return new wxToolBarTool(this, control);
210 }
211
212 // ----------------------------------------------------------------------------
213 // wxToolBar construction
214 // ----------------------------------------------------------------------------
215
216 void wxToolBar::Init()
217 {
218 m_hBitmap = 0;
219
220 m_nButtons = 0;
221
222 m_defaultWidth = DEFAULTBITMAPX;
223 m_defaultHeight = DEFAULTBITMAPY;
224
225 m_pInTool = 0;
226 }
227
228 bool wxToolBar::Create(wxWindow *parent,
229 wxWindowID id,
230 const wxPoint& pos,
231 const wxSize& size,
232 long style,
233 const wxString& name)
234 {
235 // common initialisation
236 if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
237 return FALSE;
238
239 // MSW-specific initialisation
240 if ( !MSWCreateToolbar(pos, size) )
241 return FALSE;
242
243 // set up the colors and fonts
244 SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR));
245 SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
246
247 return TRUE;
248 }
249
250 bool wxToolBar::MSWCreateToolbar(const wxPoint& pos, const wxSize& size)
251 {
252 if ( !MSWCreateControl(TOOLBARCLASSNAME, wxEmptyString, pos, size) )
253 return FALSE;
254
255 // toolbar-specific post initialisation
256 ::SendMessage(GetHwnd(), TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
257
258 return TRUE;
259 }
260
261 void wxToolBar::Recreate()
262 {
263 const HWND hwndOld = GetHwnd();
264 if ( !hwndOld )
265 {
266 // we haven't been created yet, no need to recreate
267 return;
268 }
269
270 // get the position and size before unsubclassing the old toolbar
271 const wxPoint pos = GetPosition();
272 const wxSize size = GetSize();
273
274 UnsubclassWin();
275
276 if ( !MSWCreateToolbar(pos, size) )
277 {
278 // what can we do?
279 wxFAIL_MSG( _T("recreating the toolbar failed") );
280
281 return;
282 }
283
284 // reparent all our children under the new toolbar
285 for ( wxWindowList::compatibility_iterator node = m_children.GetFirst();
286 node;
287 node = node->GetNext() )
288 {
289 wxWindow *win = node->GetData();
290 if ( !win->IsTopLevel() )
291 ::SetParent(GetHwndOf(win), GetHwnd());
292 }
293
294 // only destroy the old toolbar now -- after all the children had been
295 // reparented
296 ::DestroyWindow(hwndOld);
297
298 // it is for the old bitmap control and can't be used with the new one
299 if ( m_hBitmap )
300 {
301 ::DeleteObject((HBITMAP) m_hBitmap);
302 m_hBitmap = 0;
303 }
304
305 Realize();
306 UpdateSize();
307 }
308
309 wxToolBar::~wxToolBar()
310 {
311 // we must refresh the frame size when the toolbar is deleted but the frame
312 // is not - otherwise toolbar leaves a hole in the place it used to occupy
313 wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
314 if ( frame && !frame->IsBeingDeleted() )
315 {
316 frame->SendSizeEvent();
317 }
318
319 if ( m_hBitmap )
320 {
321 ::DeleteObject((HBITMAP) m_hBitmap);
322 }
323 }
324
325 wxSize wxToolBar::DoGetBestSize() const
326 {
327 wxSize sizeBest = GetToolSize();
328 sizeBest.x *= GetToolsCount();
329
330 // reverse horz and vertical components if necessary
331 return HasFlag(wxTB_VERTICAL) ? wxSize(sizeBest.y, sizeBest.x) : sizeBest;
332 }
333
334 WXDWORD wxToolBar::MSWGetStyle(long style, WXDWORD *exstyle) const
335 {
336 // toolbars never have border, giving one to them results in broken
337 // appearance
338 WXDWORD msStyle = wxControl::MSWGetStyle
339 (
340 (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle
341 );
342
343 // always include this one, it never hurts and setting it later only if we
344 // do have tooltips wouldn't work
345 msStyle |= TBSTYLE_TOOLTIPS;
346
347 if ( style & (wxTB_FLAT | wxTB_HORZ_LAYOUT) )
348 {
349 // static as it doesn't change during the program lifetime
350 static int s_verComCtl = wxTheApp->GetComCtl32Version();
351
352 // comctl32.dll 4.00 doesn't support the flat toolbars and using this
353 // style with 6.00 (part of Windows XP) leads to the toolbar with
354 // incorrect background colour - and not using it still results in the
355 // correct (flat) toolbar, so don't use it there
356 if ( s_verComCtl > 400 && s_verComCtl < 600 )
357 {
358 msStyle |= TBSTYLE_FLAT | TBSTYLE_TRANSPARENT;
359 }
360
361 if ( s_verComCtl >= 470 && style & wxTB_HORZ_LAYOUT )
362 {
363 msStyle |= TBSTYLE_LIST;
364 }
365 }
366
367 if ( style & wxTB_NODIVIDER )
368 msStyle |= CCS_NODIVIDER;
369
370 if ( style & wxTB_NOALIGN )
371 msStyle |= CCS_NOPARENTALIGN;
372
373 if ( style & wxTB_VERTICAL )
374 msStyle |= CCS_VERT;
375
376 return msStyle;
377 }
378
379 // ----------------------------------------------------------------------------
380 // adding/removing tools
381 // ----------------------------------------------------------------------------
382
383 bool wxToolBar::DoInsertTool(size_t WXUNUSED(pos), wxToolBarToolBase *tool)
384 {
385 // nothing special to do here - we really create the toolbar buttons in
386 // Realize() later
387 tool->Attach(this);
388
389 return TRUE;
390 }
391
392 bool wxToolBar::DoDeleteTool(size_t pos, wxToolBarToolBase *tool)
393 {
394 // the main difficulty we have here is with the controls in the toolbars:
395 // as we (sometimes) use several separators to cover up the space used by
396 // them, the indices are not the same for us and the toolbar
397
398 // first determine the position of the first button to delete: it may be
399 // different from pos if we use several separators to cover the space used
400 // by a control
401 wxToolBarToolsList::compatibility_iterator node;
402 for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
403 {
404 wxToolBarToolBase *tool2 = node->GetData();
405 if ( tool2 == tool )
406 {
407 // let node point to the next node in the list
408 node = node->GetNext();
409
410 break;
411 }
412
413 if ( tool2->IsControl() )
414 {
415 pos += ((wxToolBarTool *)tool2)->GetSeparatorsCount() - 1;
416 }
417 }
418
419 // now determine the number of buttons to delete and the area taken by them
420 size_t nButtonsToDelete = 1;
421
422 // get the size of the button we're going to delete
423 RECT r;
424 if ( !::SendMessage(GetHwnd(), TB_GETITEMRECT, pos, (LPARAM)&r) )
425 {
426 wxLogLastError(_T("TB_GETITEMRECT"));
427 }
428
429 int width = r.right - r.left;
430
431 if ( tool->IsControl() )
432 {
433 nButtonsToDelete = ((wxToolBarTool *)tool)->GetSeparatorsCount();
434
435 width *= nButtonsToDelete;
436 }
437
438 // do delete all buttons
439 m_nButtons -= nButtonsToDelete;
440 while ( nButtonsToDelete-- > 0 )
441 {
442 if ( !::SendMessage(GetHwnd(), TB_DELETEBUTTON, pos, 0) )
443 {
444 wxLogLastError(wxT("TB_DELETEBUTTON"));
445
446 return FALSE;
447 }
448 }
449
450 tool->Detach();
451
452 // and finally reposition all the controls after this button (the toolbar
453 // takes care of all normal items)
454 for ( /* node -> first after deleted */ ; node; node = node->GetNext() )
455 {
456 wxToolBarToolBase *tool2 = node->GetData();
457 if ( tool2->IsControl() )
458 {
459 int x;
460 wxControl *control = tool2->GetControl();
461 control->GetPosition(&x, NULL);
462 control->Move(x - width, -1);
463 }
464 }
465
466 return TRUE;
467 }
468
469 bool wxToolBar::Realize()
470 {
471 const size_t nTools = GetToolsCount();
472 if ( nTools == 0 )
473 {
474 // nothing to do
475 return TRUE;
476 }
477
478 const bool isVertical = HasFlag(wxTB_VERTICAL);
479
480 // delete all old buttons, if any
481 for ( size_t pos = 0; pos < m_nButtons; pos++ )
482 {
483 if ( !::SendMessage(GetHwnd(), TB_DELETEBUTTON, 0, 0) )
484 {
485 wxLogDebug(wxT("TB_DELETEBUTTON failed"));
486 }
487 }
488
489 // First, add the bitmap: we use one bitmap for all toolbar buttons
490 // ----------------------------------------------------------------
491
492 wxToolBarToolsList::compatibility_iterator node;
493 int bitmapId = 0;
494
495 wxSize sizeBmp;
496 if ( HasFlag(wxTB_NOICONS) )
497 {
498 // no icons, don't leave space for them
499 sizeBmp.x =
500 sizeBmp.y = 0;
501 }
502 else // do show icons
503 {
504 // if we already have a bitmap, we'll replace the existing one --
505 // otherwise we'll install a new one
506 HBITMAP oldToolBarBitmap = (HBITMAP)m_hBitmap;
507
508 sizeBmp.x = m_defaultWidth;
509 sizeBmp.y = m_defaultHeight;
510
511 const wxCoord totalBitmapWidth = m_defaultWidth * nTools,
512 totalBitmapHeight = m_defaultHeight;
513
514 // Create a bitmap and copy all the tool bitmaps to it
515 #if USE_BITMAP_MASKS
516 wxMemoryDC dcAllButtons;
517 wxBitmap bitmap(totalBitmapWidth, totalBitmapHeight);
518 dcAllButtons.SelectObject(bitmap);
519 dcAllButtons.SetBackground(*wxLIGHT_GREY_BRUSH);
520 dcAllButtons.Clear();
521
522 m_hBitmap = bitmap.GetHBITMAP();
523 HBITMAP hBitmap = (HBITMAP)m_hBitmap;
524 #else // !USE_BITMAP_MASKS
525 HBITMAP hBitmap = ::CreateCompatibleBitmap(ScreenHDC(),
526 totalBitmapWidth,
527 totalBitmapHeight);
528 if ( !hBitmap )
529 {
530 wxLogLastError(_T("CreateCompatibleBitmap"));
531
532 return FALSE;
533 }
534
535 m_hBitmap = (WXHBITMAP)hBitmap;
536
537 MemoryHDC memoryDC;
538 SelectInHDC hdcSelector(memoryDC, hBitmap);
539
540 MemoryHDC memoryDC2;
541 #endif // USE_BITMAP_MASKS/!USE_BITMAP_MASKS
542
543 if (wxSystemOptions::HasOption(wxT("msw.remap")) && wxSystemOptions::GetOptionInt(wxT("msw.remap")) == 0)
544 {
545 #if USE_BITMAP_MASKS
546 dcAllButtons.SelectObject(wxNullBitmap);
547 #endif
548
549 // Even if we're not remapping the bitmap
550 // content, we still have to remap the background.
551 hBitmap = (HBITMAP)MapBitmap((WXHBITMAP) hBitmap,
552 totalBitmapWidth, totalBitmapHeight);
553
554 #if USE_BITMAP_MASKS
555 dcAllButtons.SelectObject(bitmap);
556 #endif
557 }
558
559 // the button position
560 wxCoord x = 0;
561
562 // the number of buttons (not separators)
563 int nButtons = 0;
564
565 for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
566 {
567 wxToolBarToolBase *tool = node->GetData();
568 if ( tool->IsButton() )
569 {
570 const wxBitmap& bmp = tool->GetNormalBitmap();
571 if ( bmp.Ok() )
572 {
573 int xOffset = wxMax(0, (m_defaultWidth - bmp.GetWidth())/2);
574 int yOffset = wxMax(0, (m_defaultHeight - bmp.GetHeight())/2);
575 #if USE_BITMAP_MASKS
576 // notice the last parameter: do use mask
577 dcAllButtons.DrawBitmap(bmp, x+xOffset, yOffset, TRUE);
578 #else // !USE_BITMAP_MASKS
579 SelectInHDC hdcSelector2(memoryDC2, GetHbitmapOf(bmp));
580 if ( !BitBlt(memoryDC,
581 x+xOffset, yOffset, m_defaultWidth, m_defaultHeight,
582 memoryDC2,
583 0, 0, SRCCOPY) )
584 {
585 wxLogLastError(wxT("BitBlt"));
586 }
587 #endif // USE_BITMAP_MASKS/!USE_BITMAP_MASKS
588 }
589 else
590 {
591 wxFAIL_MSG( _T("invalid tool button bitmap") );
592 }
593
594 // still inc width and number of buttons because otherwise the
595 // subsequent buttons will all be shifted which is rather confusing
596 // (and like this you'd see immediately which bitmap was bad)
597 x += m_defaultWidth;
598 nButtons++;
599 }
600 }
601
602 #if USE_BITMAP_MASKS
603 dcAllButtons.SelectObject(wxNullBitmap);
604
605 // don't delete this HBITMAP!
606 bitmap.SetHBITMAP(0);
607 #endif // USE_BITMAP_MASKS/!USE_BITMAP_MASKS
608
609 if (!wxSystemOptions::HasOption(wxT("msw.remap")) || wxSystemOptions::GetOptionInt(wxT("msw.remap")) == 1)
610 {
611 // Map to system colours
612 hBitmap = (HBITMAP)MapBitmap((WXHBITMAP) hBitmap,
613 totalBitmapWidth, totalBitmapHeight);
614 }
615
616 bool addBitmap = TRUE;
617
618 if ( oldToolBarBitmap )
619 {
620 #ifdef TB_REPLACEBITMAP
621 if ( wxTheApp->GetComCtl32Version() >= 400 )
622 {
623 TBREPLACEBITMAP replaceBitmap;
624 replaceBitmap.hInstOld = NULL;
625 replaceBitmap.hInstNew = NULL;
626 replaceBitmap.nIDOld = (UINT) oldToolBarBitmap;
627 replaceBitmap.nIDNew = (UINT) hBitmap;
628 replaceBitmap.nButtons = nButtons;
629 if ( !::SendMessage(GetHwnd(), TB_REPLACEBITMAP,
630 0, (LPARAM) &replaceBitmap) )
631 {
632 wxFAIL_MSG(wxT("Could not replace the old bitmap"));
633 }
634
635 ::DeleteObject(oldToolBarBitmap);
636
637 // already done
638 addBitmap = FALSE;
639 }
640 else
641 #endif // TB_REPLACEBITMAP
642 {
643 // we can't replace the old bitmap, so we will add another one
644 // (awfully inefficient, but what else to do?) and shift the bitmap
645 // indices accordingly
646 addBitmap = TRUE;
647
648 bitmapId = m_nButtons;
649 }
650 }
651
652 if ( addBitmap ) // no old bitmap or we can't replace it
653 {
654 TBADDBITMAP addBitmap;
655 addBitmap.hInst = 0;
656 addBitmap.nID = (UINT) hBitmap;
657 if ( ::SendMessage(GetHwnd(), TB_ADDBITMAP,
658 (WPARAM) nButtons, (LPARAM)&addBitmap) == -1 )
659 {
660 wxFAIL_MSG(wxT("Could not add bitmap to toolbar"));
661 }
662 }
663 }
664
665 // don't call SetToolBitmapSize() as we don't want to change the values of
666 // m_defaultWidth/Height
667 if ( !::SendMessage(GetHwnd(), TB_SETBITMAPSIZE, 0,
668 MAKELONG(sizeBmp.x, sizeBmp.y)) )
669 {
670 wxLogLastError(_T("TB_SETBITMAPSIZE"));
671 }
672
673 // Next add the buttons and separators
674 // -----------------------------------
675
676 TBBUTTON *buttons = new TBBUTTON[nTools];
677
678 // this array will hold the indices of all controls in the toolbar
679 wxArrayInt controlIds;
680
681 bool lastWasRadio = FALSE;
682 int i = 0;
683 for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
684 {
685 wxToolBarToolBase *tool = node->GetData();
686
687 // don't add separators to the vertical toolbar with old comctl32.dll
688 // versions as they didn't handle this properly
689 if ( isVertical && tool->IsSeparator() &&
690 wxTheApp->GetComCtl32Version() <= 472 )
691 {
692 continue;
693 }
694
695
696 TBBUTTON& button = buttons[i];
697
698 wxZeroMemory(button);
699
700 bool isRadio = FALSE;
701 switch ( tool->GetStyle() )
702 {
703 case wxTOOL_STYLE_CONTROL:
704 button.idCommand = tool->GetId();
705 // fall through: create just a separator too
706
707 case wxTOOL_STYLE_SEPARATOR:
708 button.fsState = TBSTATE_ENABLED;
709 button.fsStyle = TBSTYLE_SEP;
710 break;
711
712 case wxTOOL_STYLE_BUTTON:
713 if ( !HasFlag(wxTB_NOICONS) )
714 button.iBitmap = bitmapId;
715
716 if ( HasFlag(wxTB_TEXT) )
717 {
718 const wxString& label = tool->GetLabel();
719 if ( !label.empty() )
720 {
721 button.iString = (int)label.c_str();
722 }
723 }
724
725 button.idCommand = tool->GetId();
726
727 if ( tool->IsEnabled() )
728 button.fsState |= TBSTATE_ENABLED;
729 if ( tool->IsToggled() )
730 button.fsState |= TBSTATE_CHECKED;
731
732 switch ( tool->GetKind() )
733 {
734 case wxITEM_RADIO:
735 button.fsStyle = TBSTYLE_CHECKGROUP;
736
737 if ( !lastWasRadio )
738 {
739 // the first item in the radio group is checked by
740 // default to be consistent with wxGTK and the menu
741 // radio items
742 button.fsState |= TBSTATE_CHECKED;
743
744 tool->Toggle(TRUE);
745 }
746
747 isRadio = TRUE;
748 break;
749
750 case wxITEM_CHECK:
751 button.fsStyle = TBSTYLE_CHECK;
752 break;
753
754 default:
755 wxFAIL_MSG( _T("unexpected toolbar button kind") );
756 // fall through
757
758 case wxITEM_NORMAL:
759 button.fsStyle = TBSTYLE_BUTTON;
760 }
761
762 bitmapId++;
763 break;
764 }
765
766 lastWasRadio = isRadio;
767
768 i++;
769 }
770
771 if ( !::SendMessage(GetHwnd(), TB_ADDBUTTONS, (WPARAM)i, (LPARAM)buttons) )
772 {
773 wxLogLastError(wxT("TB_ADDBUTTONS"));
774 }
775
776 delete [] buttons;
777
778 // Deal with the controls finally
779 // ------------------------------
780
781 // adjust the controls size to fit nicely in the toolbar
782 int y = 0;
783 size_t index = 0;
784 for ( node = m_tools.GetFirst(); node; node = node->GetNext(), index++ )
785 {
786 wxToolBarToolBase *tool = node->GetData();
787
788 // we calculate the running y coord for vertical toolbars so we need to
789 // get the items size for all items but for the horizontal ones we
790 // don't need to deal with the non controls
791 bool isControl = tool->IsControl();
792 if ( !isControl && !isVertical )
793 continue;
794
795 // note that we use TB_GETITEMRECT and not TB_GETRECT because the
796 // latter only appeared in v4.70 of comctl32.dll
797 RECT r;
798 if ( !SendMessage(GetHwnd(), TB_GETITEMRECT,
799 index, (LPARAM)(LPRECT)&r) )
800 {
801 wxLogLastError(wxT("TB_GETITEMRECT"));
802 }
803
804 if ( !isControl )
805 {
806 // can only be control if isVertical
807 y += r.bottom - r.top;
808
809 continue;
810 }
811
812 wxControl *control = tool->GetControl();
813
814 wxSize size = control->GetSize();
815
816 // the position of the leftmost controls corner
817 int left = -1;
818
819 // TB_SETBUTTONINFO message is only supported by comctl32.dll 4.71+
820 #ifdef TB_SETBUTTONINFO
821 // available in headers, now check whether it is available now
822 // (during run-time)
823 if ( wxTheApp->GetComCtl32Version() >= 471 )
824 {
825 // set the (underlying) separators width to be that of the
826 // control
827 TBBUTTONINFO tbbi;
828 tbbi.cbSize = sizeof(tbbi);
829 tbbi.dwMask = TBIF_SIZE;
830 tbbi.cx = size.x;
831 if ( !SendMessage(GetHwnd(), TB_SETBUTTONINFO,
832 tool->GetId(), (LPARAM)&tbbi) )
833 {
834 // the id is probably invalid?
835 wxLogLastError(wxT("TB_SETBUTTONINFO"));
836 }
837 }
838 else
839 #endif // comctl32.dll 4.71
840 // TB_SETBUTTONINFO unavailable
841 {
842 // try adding several separators to fit the controls width
843 int widthSep = r.right - r.left;
844 left = r.left;
845
846 TBBUTTON tbb;
847 wxZeroMemory(tbb);
848 tbb.idCommand = 0;
849 tbb.fsState = TBSTATE_ENABLED;
850 tbb.fsStyle = TBSTYLE_SEP;
851
852 size_t nSeparators = size.x / widthSep;
853 for ( size_t nSep = 0; nSep < nSeparators; nSep++ )
854 {
855 if ( !SendMessage(GetHwnd(), TB_INSERTBUTTON,
856 index, (LPARAM)&tbb) )
857 {
858 wxLogLastError(wxT("TB_INSERTBUTTON"));
859 }
860
861 index++;
862 }
863
864 // remember the number of separators we used - we'd have to
865 // delete all of them later
866 ((wxToolBarTool *)tool)->SetSeparatorsCount(nSeparators);
867
868 // adjust the controls width to exactly cover the separators
869 control->SetSize((nSeparators + 1)*widthSep, -1);
870 }
871
872 // position the control itself correctly vertically
873 int height = r.bottom - r.top;
874 int diff = height - size.y;
875 if ( diff < 0 )
876 {
877 // the control is too high, resize to fit
878 control->SetSize(-1, height - 2);
879
880 diff = 2;
881 }
882
883 int top;
884 if ( isVertical )
885 {
886 left = 0;
887 top = y;
888
889 y += height + 2*GetMargins().y;
890 }
891 else // horizontal toolbar
892 {
893 if ( left == -1 )
894 left = r.left;
895
896 top = r.top;
897 }
898
899 control->Move(left, top + (diff + 1) / 2);
900 }
901
902 // the max index is the "real" number of buttons - i.e. counting even the
903 // separators which we added just for aligning the controls
904 m_nButtons = index;
905
906 if ( !isVertical )
907 {
908 if ( m_maxRows == 0 )
909 {
910 // if not set yet, only one row
911 SetRows(1);
912 }
913 }
914 else if ( m_nButtons > 0 ) // vertical non empty toolbar
915 {
916 if ( m_maxRows == 0 )
917 {
918 // if not set yet, have one column
919 SetRows(m_nButtons);
920 }
921 }
922
923 return TRUE;
924 }
925
926 // ----------------------------------------------------------------------------
927 // message handlers
928 // ----------------------------------------------------------------------------
929
930 bool wxToolBar::MSWCommand(WXUINT WXUNUSED(cmd), WXWORD id)
931 {
932 wxToolBarToolBase *tool = FindById((int)id);
933 if ( !tool )
934 return FALSE;
935
936 bool toggled = false; // just to suppress warnings
937
938 if ( tool->CanBeToggled() )
939 {
940 LRESULT state = ::SendMessage(GetHwnd(), TB_GETSTATE, id, 0);
941 toggled = (state & TBSTATE_CHECKED) != 0;
942
943 // ignore the event when a radio button is released, as this doesn't seem to
944 // happen at all, and is handled otherwise
945 if ( tool->GetKind() == wxITEM_RADIO && !toggled )
946 return TRUE;
947
948 tool->Toggle(toggled);
949 UnToggleRadioGroup(tool);
950 }
951
952 // OnLeftClick() can veto the button state change - for buttons which
953 // may be toggled only, of couse
954 if ( !OnLeftClick((int)id, toggled) && tool->CanBeToggled() )
955 {
956 // revert back
957 tool->Toggle(!toggled);
958
959 ::SendMessage(GetHwnd(), TB_CHECKBUTTON, id, MAKELONG(toggled, 0));
960 }
961
962 return TRUE;
963 }
964
965 bool wxToolBar::MSWOnNotify(int WXUNUSED(idCtrl),
966 WXLPARAM lParam,
967 WXLPARAM *WXUNUSED(result))
968 {
969 #if wxUSE_TOOLTIPS
970 // First check if this applies to us
971 NMHDR *hdr = (NMHDR *)lParam;
972
973 // the tooltips control created by the toolbar is sometimes Unicode, even
974 // in an ANSI application - this seems to be a bug in comctl32.dll v5
975 UINT code = hdr->code;
976 if ( (code != (UINT) TTN_NEEDTEXTA) && (code != (UINT) TTN_NEEDTEXTW) )
977 return FALSE;
978
979 HWND toolTipWnd = (HWND)::SendMessage((HWND)GetHWND(), TB_GETTOOLTIPS, 0, 0);
980 if ( toolTipWnd != hdr->hwndFrom )
981 return FALSE;
982
983 LPTOOLTIPTEXT ttText = (LPTOOLTIPTEXT)lParam;
984 int id = (int)ttText->hdr.idFrom;
985
986 wxToolBarToolBase *tool = FindById(id);
987 if ( !tool )
988 return FALSE;
989
990 return HandleTooltipNotify(code, lParam, tool->GetShortHelp());
991 #else
992 return FALSE;
993 #endif
994 }
995
996 // ----------------------------------------------------------------------------
997 // toolbar geometry
998 // ----------------------------------------------------------------------------
999
1000 void wxToolBar::SetToolBitmapSize(const wxSize& size)
1001 {
1002 wxToolBarBase::SetToolBitmapSize(size);
1003
1004 ::SendMessage(GetHwnd(), TB_SETBITMAPSIZE, 0, MAKELONG(size.x, size.y));
1005 }
1006
1007 void wxToolBar::SetRows(int nRows)
1008 {
1009 if ( nRows == m_maxRows )
1010 {
1011 // avoid resizing the frame uselessly
1012 return;
1013 }
1014
1015 // TRUE in wParam means to create at least as many rows, FALSE -
1016 // at most as many
1017 RECT rect;
1018 ::SendMessage(GetHwnd(), TB_SETROWS,
1019 MAKEWPARAM(nRows, !(GetWindowStyle() & wxTB_VERTICAL)),
1020 (LPARAM) &rect);
1021
1022 m_maxRows = nRows;
1023
1024 UpdateSize();
1025 }
1026
1027 // The button size is bigger than the bitmap size
1028 wxSize wxToolBar::GetToolSize() const
1029 {
1030 // TB_GETBUTTONSIZE is supported from version 4.70
1031 #if defined(_WIN32_IE) && (_WIN32_IE >= 0x300 ) \
1032 && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) \
1033 && !defined (__DIGITALMARS__)
1034 if ( wxTheApp->GetComCtl32Version() >= 470 )
1035 {
1036 DWORD dw = ::SendMessage(GetHwnd(), TB_GETBUTTONSIZE, 0, 0);
1037
1038 return wxSize(LOWORD(dw), HIWORD(dw));
1039 }
1040 else
1041 #endif // comctl32.dll 4.70+
1042 {
1043 // defaults
1044 return wxSize(m_defaultWidth + 8, m_defaultHeight + 7);
1045 }
1046 }
1047
1048 static
1049 wxToolBarToolBase *GetItemSkippingDummySpacers(const wxToolBarToolsList& tools,
1050 size_t index )
1051 {
1052 wxToolBarToolsList::compatibility_iterator current = tools.GetFirst();
1053
1054 for ( ; current != 0; current = current->GetNext() )
1055 {
1056 if ( index == 0 )
1057 return current->GetData();
1058
1059 wxToolBarTool *tool = (wxToolBarTool *)current->GetData();
1060 size_t separators = tool->GetSeparatorsCount();
1061
1062 // if it is a normal button, sepcount == 0, so skip 1 item (the button)
1063 // otherwise, skip as many items as the separator count, plus the
1064 // control itself
1065 index -= separators ? separators + 1 : 1;
1066 }
1067
1068 return 0;
1069 }
1070
1071 wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord x, wxCoord y) const
1072 {
1073 POINT pt;
1074 pt.x = x;
1075 pt.y = y;
1076 int index = (int)::SendMessage(GetHwnd(), TB_HITTEST, 0, (LPARAM)&pt);
1077 // MBN: when the point ( x, y ) is close to the toolbar border
1078 // TB_HITTEST returns m_nButtons ( not -1 )
1079 if ( index < 0 || (size_t)index >= m_nButtons )
1080 {
1081 // it's a separator or there is no tool at all there
1082 return (wxToolBarToolBase *)NULL;
1083 }
1084
1085 // if comctl32 version < 4.71 wxToolBar95 adds dummy spacers
1086 #if defined(_WIN32_IE) && (_WIN32_IE >= 0x400 )
1087 if ( wxTheApp->GetComCtl32Version() >= 471 )
1088 {
1089 return m_tools.Item((size_t)index)->GetData();
1090 }
1091 else
1092 #endif
1093 {
1094 return GetItemSkippingDummySpacers( m_tools, (size_t) index );
1095 }
1096 }
1097
1098 void wxToolBar::UpdateSize()
1099 {
1100 // the toolbar size changed
1101 SendMessage(GetHwnd(), TB_AUTOSIZE, 0, 0);
1102
1103 // we must also refresh the frame after the toolbar size (possibly) changed
1104 wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
1105 if ( frame )
1106 {
1107 frame->SendSizeEvent();
1108 }
1109 }
1110
1111 // ----------------------------------------------------------------------------
1112 // toolbar styles
1113 // ---------------------------------------------------------------------------
1114
1115 void wxToolBar::SetWindowStyleFlag(long style)
1116 {
1117 // the style bits whose changes force us to recreate the toolbar
1118 static const long MASK_NEEDS_RECREATE = wxTB_TEXT | wxTB_NOICONS;
1119
1120 const long styleOld = GetWindowStyle();
1121
1122 wxToolBarBase::SetWindowStyleFlag(style);
1123
1124 // don't recreate an empty toolbar: not only this is unnecessary, but it is
1125 // also fatal as we'd then try to recreate the toolbar when it's just being
1126 // created
1127 if ( GetToolsCount() &&
1128 (style & MASK_NEEDS_RECREATE) != (styleOld & MASK_NEEDS_RECREATE) )
1129 {
1130 // to remove the text labels, simply re-realizing the toolbar is enough
1131 // but I don't know of any way to add the text to an existing toolbar
1132 // other than by recreating it entirely
1133 Recreate();
1134 }
1135 }
1136
1137 // ----------------------------------------------------------------------------
1138 // tool state
1139 // ----------------------------------------------------------------------------
1140
1141 void wxToolBar::DoEnableTool(wxToolBarToolBase *tool, bool enable)
1142 {
1143 ::SendMessage(GetHwnd(), TB_ENABLEBUTTON,
1144 (WPARAM)tool->GetId(), (LPARAM)MAKELONG(enable, 0));
1145 }
1146
1147 void wxToolBar::DoToggleTool(wxToolBarToolBase *tool, bool toggle)
1148 {
1149 ::SendMessage(GetHwnd(), TB_CHECKBUTTON,
1150 (WPARAM)tool->GetId(), (LPARAM)MAKELONG(toggle, 0));
1151 }
1152
1153 void wxToolBar::DoSetToggle(wxToolBarToolBase *WXUNUSED(tool), bool WXUNUSED(toggle))
1154 {
1155 // VZ: AFAIK, the button has to be created either with TBSTYLE_CHECK or
1156 // without, so we really need to delete the button and recreate it here
1157 wxFAIL_MSG( _T("not implemented") );
1158 }
1159
1160 // ----------------------------------------------------------------------------
1161 // event handlers
1162 // ----------------------------------------------------------------------------
1163
1164 // Responds to colour changes, and passes event on to children.
1165 void wxToolBar::OnSysColourChanged(wxSysColourChangedEvent& event)
1166 {
1167 wxRGBToColour(m_backgroundColour, ::GetSysColor(COLOR_BTNFACE));
1168
1169 // Remap the buttons
1170 Realize();
1171
1172 // Relayout the toolbar
1173 int nrows = m_maxRows;
1174 m_maxRows = 0; // otherwise SetRows() wouldn't do anything
1175 SetRows(nrows);
1176
1177 Refresh();
1178
1179 // let the event propagate further
1180 event.Skip();
1181 }
1182
1183 void wxToolBar::OnMouseEvent(wxMouseEvent& event)
1184 {
1185 if (event.Leaving() && m_pInTool)
1186 {
1187 OnMouseEnter( -1 );
1188 event.Skip();
1189 return;
1190 }
1191
1192 if (event.RightDown())
1193 {
1194 // For now, we don't have an id. Later we could
1195 // try finding the tool.
1196 OnRightClick((int)-1, event.GetX(), event.GetY());
1197 }
1198 else
1199 {
1200 event.Skip();
1201 }
1202 }
1203
1204 bool wxToolBar::HandleSize(WXWPARAM WXUNUSED(wParam), WXLPARAM lParam)
1205 {
1206 // calculate our minor dimension ourselves - we're confusing the standard
1207 // logic (TB_AUTOSIZE) with our horizontal toolbars and other hacks
1208 RECT r;
1209 if ( ::SendMessage(GetHwnd(), TB_GETITEMRECT, 0, (LPARAM)&r) )
1210 {
1211 int w, h;
1212
1213 if ( GetWindowStyle() & wxTB_VERTICAL )
1214 {
1215 w = r.right - r.left;
1216 if ( m_maxRows )
1217 {
1218 w *= (m_nButtons + m_maxRows - 1)/m_maxRows;
1219 }
1220 h = HIWORD(lParam);
1221 }
1222 else
1223 {
1224 w = LOWORD(lParam);
1225 if (HasFlag( wxTB_FLAT ))
1226 h = r.bottom - r.top - 3;
1227 else
1228 h = r.bottom - r.top;
1229 if ( m_maxRows )
1230 {
1231 // FIXME: hardcoded separator line height...
1232 h += HasFlag(wxTB_NODIVIDER) ? 4 : 6;
1233 h *= m_maxRows;
1234 }
1235 }
1236
1237 if ( MAKELPARAM(w, h) != lParam )
1238 {
1239 // size really changed
1240 SetSize(w, h);
1241 }
1242
1243 // message processed
1244 return TRUE;
1245 }
1246
1247 return FALSE;
1248 }
1249
1250 bool wxToolBar::HandlePaint(WXWPARAM wParam, WXLPARAM lParam)
1251 {
1252 // erase any dummy separators which we used for aligning the controls if
1253 // any here
1254
1255 // first of all, do we have any controls at all?
1256 wxToolBarToolsList::compatibility_iterator node;
1257 for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
1258 {
1259 if ( node->GetData()->IsControl() )
1260 break;
1261 }
1262
1263 if ( !node )
1264 {
1265 // no controls, nothing to erase
1266 return FALSE;
1267 }
1268
1269 // prepare the DC on which we'll be drawing
1270 wxClientDC dc(this);
1271 dc.SetBrush(wxBrush(GetBackgroundColour(), wxSOLID));
1272 dc.SetPen(*wxTRANSPARENT_PEN);
1273
1274 RECT r;
1275 if ( !GetUpdateRect(GetHwnd(), &r, FALSE) )
1276 {
1277 // nothing to redraw anyhow
1278 return FALSE;
1279 }
1280
1281 wxRect rectUpdate;
1282 wxCopyRECTToRect(r, rectUpdate);
1283
1284 dc.SetClippingRegion(rectUpdate);
1285
1286 // draw the toolbar tools, separators &c normally
1287 wxControl::MSWWindowProc(WM_PAINT, wParam, lParam);
1288
1289 // for each control in the toolbar find all the separators intersecting it
1290 // and erase them
1291 //
1292 // NB: this is really the only way to do it as we don't know if a separator
1293 // corresponds to a control (i.e. is a dummy one) or a real one
1294 // otherwise
1295 for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
1296 {
1297 wxToolBarToolBase *tool = node->GetData();
1298 if ( tool->IsControl() )
1299 {
1300 // get the control rect in our client coords
1301 wxControl *control = tool->GetControl();
1302 wxRect rectCtrl = control->GetRect();
1303
1304 // iterate over all buttons
1305 TBBUTTON tbb;
1306 int count = ::SendMessage(GetHwnd(), TB_BUTTONCOUNT, 0, 0);
1307 for ( int n = 0; n < count; n++ )
1308 {
1309 // is it a separator?
1310 if ( !::SendMessage(GetHwnd(), TB_GETBUTTON,
1311 n, (LPARAM)&tbb) )
1312 {
1313 wxLogDebug(_T("TB_GETBUTTON failed?"));
1314
1315 continue;
1316 }
1317
1318 if ( tbb.fsStyle != TBSTYLE_SEP )
1319 continue;
1320
1321 // get the bounding rect of the separator
1322 RECT r;
1323 if ( !::SendMessage(GetHwnd(), TB_GETITEMRECT,
1324 n, (LPARAM)&r) )
1325 {
1326 wxLogDebug(_T("TB_GETITEMRECT failed?"));
1327
1328 continue;
1329 }
1330
1331 // does it intersect the control?
1332 wxRect rectItem;
1333 wxCopyRECTToRect(r, rectItem);
1334 if ( rectCtrl.Intersects(rectItem) )
1335 {
1336 // yes, do erase it!
1337 dc.DrawRectangle(rectItem);
1338
1339 // Necessary in case we use a no-paint-on-size
1340 // style in the parent: the controls can disappear
1341 control->Refresh(FALSE);
1342 }
1343 }
1344 }
1345 }
1346
1347 return TRUE;
1348 }
1349
1350 void wxToolBar::HandleMouseMove(WXWPARAM WXUNUSED(wParam), WXLPARAM lParam)
1351 {
1352 wxCoord x = GET_X_LPARAM(lParam),
1353 y = GET_Y_LPARAM(lParam);
1354 wxToolBarToolBase* tool = FindToolForPosition( x, y );
1355
1356 // cursor left current tool
1357 if( tool != m_pInTool && !tool )
1358 {
1359 m_pInTool = 0;
1360 OnMouseEnter( -1 );
1361 }
1362
1363 // cursor entered a tool
1364 if( tool != m_pInTool && tool )
1365 {
1366 m_pInTool = tool;
1367 OnMouseEnter( tool->GetId() );
1368 }
1369 }
1370
1371 long wxToolBar::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1372 {
1373 switch ( nMsg )
1374 {
1375 case WM_SIZE:
1376 if ( HandleSize(wParam, lParam) )
1377 return 0;
1378 break;
1379
1380 case WM_MOUSEMOVE:
1381 // we don't handle mouse moves, so always pass the message to
1382 // wxControl::MSWWindowProc
1383 HandleMouseMove(wParam, lParam);
1384 break;
1385
1386 case WM_PAINT:
1387 if ( HandlePaint(wParam, lParam) )
1388 return 0;
1389 }
1390
1391 return wxControl::MSWWindowProc(nMsg, wParam, lParam);
1392 }
1393
1394 // ----------------------------------------------------------------------------
1395 // private functions
1396 // ----------------------------------------------------------------------------
1397
1398 WXHBITMAP wxToolBar::MapBitmap(WXHBITMAP bitmap, int width, int height)
1399 {
1400 MemoryHDC hdcMem;
1401
1402 if ( !hdcMem )
1403 {
1404 wxLogLastError(_T("CreateCompatibleDC"));
1405
1406 return bitmap;
1407 }
1408
1409 SelectInHDC bmpInHDC(hdcMem, (HBITMAP)bitmap);
1410
1411 if ( !bmpInHDC )
1412 {
1413 wxLogLastError(_T("SelectObject"));
1414
1415 return bitmap;
1416 }
1417
1418 wxCOLORMAP *cmap = wxGetStdColourMap();
1419
1420 for ( int i = 0; i < width; i++ )
1421 {
1422 for ( int j = 0; j < height; j++ )
1423 {
1424 COLORREF pixel = ::GetPixel(hdcMem, i, j);
1425
1426 for ( size_t k = 0; k < wxSTD_COL_MAX; k++ )
1427 {
1428 COLORREF col = cmap[k].from;
1429 if ( abs(GetRValue(pixel) - GetRValue(col)) < 10 &&
1430 abs(GetGValue(pixel) - GetGValue(col)) < 10 &&
1431 abs(GetBValue(pixel) - GetBValue(col)) < 10 )
1432 {
1433 ::SetPixel(hdcMem, i, j, cmap[k].to);
1434 break;
1435 }
1436 }
1437 }
1438 }
1439
1440 return bitmap;
1441
1442 // VZ: I leave here my attempts to map the bitmap to the system colours
1443 // faster by using BitBlt() even though it's broken currently - but
1444 // maybe someone else can finish it? It should be faster than iterating
1445 // over all pixels...
1446 #if 0
1447 MemoryHDC hdcMask, hdcDst;
1448 if ( !hdcMask || !hdcDst )
1449 {
1450 wxLogLastError(_T("CreateCompatibleDC"));
1451
1452 return bitmap;
1453 }
1454
1455 // create the target bitmap
1456 HBITMAP hbmpDst = ::CreateCompatibleBitmap(hdcDst, width, height);
1457 if ( !hbmpDst )
1458 {
1459 wxLogLastError(_T("CreateCompatibleBitmap"));
1460
1461 return bitmap;
1462 }
1463
1464 // create the monochrome mask bitmap
1465 HBITMAP hbmpMask = ::CreateBitmap(width, height, 1, 1, 0);
1466 if ( !hbmpMask )
1467 {
1468 wxLogLastError(_T("CreateBitmap(mono)"));
1469
1470 ::DeleteObject(hbmpDst);
1471
1472 return bitmap;
1473 }
1474
1475 SelectInHDC bmpInDst(hdcDst, hbmpDst),
1476 bmpInMask(hdcMask, hbmpMask);
1477
1478 // for each colour:
1479 for ( n = 0; n < NUM_OF_MAPPED_COLOURS; n++ )
1480 {
1481 // create the mask for this colour
1482 ::SetBkColor(hdcMem, ColorMap[n].from);
1483 ::BitBlt(hdcMask, 0, 0, width, height, hdcMem, 0, 0, SRCCOPY);
1484
1485 // replace this colour with the target one in the dst bitmap
1486 HBRUSH hbr = ::CreateSolidBrush(ColorMap[n].to);
1487 HGDIOBJ hbrOld = ::SelectObject(hdcDst, hbr);
1488
1489 ::MaskBlt(hdcDst, 0, 0, width, height,
1490 hdcMem, 0, 0,
1491 hbmpMask, 0, 0,
1492 MAKEROP4(PATCOPY, SRCCOPY));
1493
1494 (void)::SelectObject(hdcDst, hbrOld);
1495 ::DeleteObject(hbr);
1496 }
1497
1498 ::DeleteObject((HBITMAP)bitmap);
1499
1500 return (WXHBITMAP)hbmpDst;
1501 #endif // 0
1502 }
1503
1504 #endif // wxUSE_TOOLBAR && Win95
1505