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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: common/tbarbase.cpp | |
3 | // Purpose: wxToolBarBase implementation | |
4 | // Author: Julian Smart | |
5 | // Modified by: VZ at 11.12.99 (wxScrollableToolBar split off) | |
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 | // For compilers that support precompilation, includes "wx.h". | |
21 | #include "wx/wxprec.h" | |
22 | ||
23 | #ifdef __BORLANDC__ | |
24 | #pragma hdrstop | |
25 | #endif | |
26 | ||
27 | #if wxUSE_TOOLBAR | |
28 | ||
29 | #ifndef WX_PRECOMP | |
30 | #include "wx/control.h" | |
31 | #endif | |
32 | ||
33 | #include "wx/frame.h" | |
34 | ||
35 | #if wxUSE_IMAGE | |
36 | #include "wx/image.h" | |
37 | #include "wx/settings.h" | |
38 | #endif // wxUSE_IMAGE | |
39 | ||
40 | #include "wx/toolbar.h" | |
41 | ||
42 | // ---------------------------------------------------------------------------- | |
43 | // wxWidgets macros | |
44 | // ---------------------------------------------------------------------------- | |
45 | ||
46 | BEGIN_EVENT_TABLE(wxToolBarBase, wxControl) | |
47 | END_EVENT_TABLE() | |
48 | ||
49 | #include "wx/listimpl.cpp" | |
50 | ||
51 | WX_DEFINE_LIST(wxToolBarToolsList); | |
52 | ||
53 | // ============================================================================ | |
54 | // implementation | |
55 | // ============================================================================ | |
56 | ||
57 | // ---------------------------------------------------------------------------- | |
58 | // wxToolBarToolBase | |
59 | // ---------------------------------------------------------------------------- | |
60 | ||
61 | IMPLEMENT_DYNAMIC_CLASS(wxToolBarToolBase, wxObject) | |
62 | ||
63 | bool wxToolBarToolBase::Enable(bool enable) | |
64 | { | |
65 | if ( m_enabled == enable ) | |
66 | return false; | |
67 | ||
68 | m_enabled = enable; | |
69 | ||
70 | return true; | |
71 | } | |
72 | ||
73 | bool wxToolBarToolBase::Toggle(bool toggle) | |
74 | { | |
75 | wxASSERT_MSG( CanBeToggled(), _T("can't toggle this tool") ); | |
76 | ||
77 | if ( m_toggled == toggle ) | |
78 | return false; | |
79 | ||
80 | m_toggled = toggle; | |
81 | ||
82 | return true; | |
83 | } | |
84 | ||
85 | bool wxToolBarToolBase::SetToggle(bool toggle) | |
86 | { | |
87 | wxItemKind kind = toggle ? wxITEM_CHECK : wxITEM_NORMAL; | |
88 | if ( m_kind == kind ) | |
89 | return false; | |
90 | ||
91 | m_kind = kind; | |
92 | ||
93 | return true; | |
94 | } | |
95 | ||
96 | bool wxToolBarToolBase::SetShortHelp(const wxString& help) | |
97 | { | |
98 | if ( m_shortHelpString == help ) | |
99 | return false; | |
100 | ||
101 | m_shortHelpString = help; | |
102 | ||
103 | return true; | |
104 | } | |
105 | ||
106 | bool wxToolBarToolBase::SetLongHelp(const wxString& help) | |
107 | { | |
108 | if ( m_longHelpString == help ) | |
109 | return false; | |
110 | ||
111 | m_longHelpString = help; | |
112 | ||
113 | return true; | |
114 | } | |
115 | ||
116 | #if WXWIN_COMPATIBILITY_2_2 | |
117 | ||
118 | const wxBitmap& wxToolBarToolBase::GetBitmap1() const | |
119 | { | |
120 | return GetNormalBitmap(); | |
121 | } | |
122 | ||
123 | const wxBitmap& wxToolBarToolBase::GetBitmap2() const | |
124 | { | |
125 | return GetDisabledBitmap(); | |
126 | } | |
127 | ||
128 | void wxToolBarToolBase::SetBitmap1(const wxBitmap& bmp) | |
129 | { | |
130 | SetNormalBitmap(bmp); | |
131 | } | |
132 | ||
133 | void wxToolBarToolBase::SetBitmap2(const wxBitmap& bmp) | |
134 | { | |
135 | SetDisabledBitmap(bmp); | |
136 | } | |
137 | ||
138 | #endif // WXWIN_COMPATIBILITY_2_2 | |
139 | ||
140 | // ---------------------------------------------------------------------------- | |
141 | // wxToolBarBase adding/deleting items | |
142 | // ---------------------------------------------------------------------------- | |
143 | ||
144 | wxToolBarBase::wxToolBarBase() | |
145 | { | |
146 | // the list owns the pointers | |
147 | m_xMargin = m_yMargin = 0; | |
148 | m_maxRows = m_maxCols = 0; | |
149 | m_toolPacking = m_toolSeparation = 0; | |
150 | m_defaultWidth = 16; | |
151 | m_defaultHeight = 15; | |
152 | } | |
153 | ||
154 | wxToolBarToolBase *wxToolBarBase::DoAddTool(int id, | |
155 | const wxString& label, | |
156 | const wxBitmap& bitmap, | |
157 | const wxBitmap& bmpDisabled, | |
158 | wxItemKind kind, | |
159 | const wxString& shortHelp, | |
160 | const wxString& longHelp, | |
161 | wxObject *clientData, | |
162 | wxCoord WXUNUSED(xPos), | |
163 | wxCoord WXUNUSED(yPos)) | |
164 | { | |
165 | InvalidateBestSize(); | |
166 | return InsertTool(GetToolsCount(), id, label, bitmap, bmpDisabled, | |
167 | kind, shortHelp, longHelp, clientData); | |
168 | } | |
169 | ||
170 | wxToolBarToolBase *wxToolBarBase::InsertTool(size_t pos, | |
171 | int id, | |
172 | const wxString& label, | |
173 | const wxBitmap& bitmap, | |
174 | const wxBitmap& bmpDisabled, | |
175 | wxItemKind kind, | |
176 | const wxString& shortHelp, | |
177 | const wxString& longHelp, | |
178 | wxObject *clientData) | |
179 | { | |
180 | wxCHECK_MSG( pos <= GetToolsCount(), (wxToolBarToolBase *)NULL, | |
181 | _T("invalid position in wxToolBar::InsertTool()") ); | |
182 | ||
183 | wxToolBarToolBase *tool = CreateTool(id, label, bitmap, bmpDisabled, kind, | |
184 | clientData, shortHelp, longHelp); | |
185 | ||
186 | if ( !InsertTool(pos, tool) ) | |
187 | { | |
188 | delete tool; | |
189 | ||
190 | return NULL; | |
191 | } | |
192 | ||
193 | return tool; | |
194 | } | |
195 | ||
196 | wxToolBarToolBase *wxToolBarBase::AddTool(wxToolBarToolBase *tool) | |
197 | { | |
198 | return InsertTool(GetToolsCount(), tool); | |
199 | } | |
200 | ||
201 | wxToolBarToolBase * | |
202 | wxToolBarBase::InsertTool(size_t pos, wxToolBarToolBase *tool) | |
203 | { | |
204 | wxCHECK_MSG( pos <= GetToolsCount(), (wxToolBarToolBase *)NULL, | |
205 | _T("invalid position in wxToolBar::InsertTool()") ); | |
206 | ||
207 | if ( !tool || !DoInsertTool(pos, tool) ) | |
208 | { | |
209 | return NULL; | |
210 | } | |
211 | ||
212 | m_tools.Insert(pos, tool); | |
213 | ||
214 | return tool; | |
215 | } | |
216 | ||
217 | wxToolBarToolBase *wxToolBarBase::AddControl(wxControl *control) | |
218 | { | |
219 | return InsertControl(GetToolsCount(), control); | |
220 | } | |
221 | ||
222 | wxToolBarToolBase *wxToolBarBase::InsertControl(size_t pos, wxControl *control) | |
223 | { | |
224 | wxCHECK_MSG( control, (wxToolBarToolBase *)NULL, | |
225 | _T("toolbar: can't insert NULL control") ); | |
226 | ||
227 | wxCHECK_MSG( control->GetParent() == this, (wxToolBarToolBase *)NULL, | |
228 | _T("control must have toolbar as parent") ); | |
229 | ||
230 | wxCHECK_MSG( pos <= GetToolsCount(), (wxToolBarToolBase *)NULL, | |
231 | _T("invalid position in wxToolBar::InsertControl()") ); | |
232 | ||
233 | wxToolBarToolBase *tool = CreateTool(control); | |
234 | ||
235 | if ( !InsertTool(pos, tool) ) | |
236 | { | |
237 | delete tool; | |
238 | ||
239 | return NULL; | |
240 | } | |
241 | ||
242 | return tool; | |
243 | } | |
244 | ||
245 | wxControl *wxToolBarBase::FindControl( int id ) | |
246 | { | |
247 | for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst(); | |
248 | node; | |
249 | node = node->GetNext() ) | |
250 | { | |
251 | const wxToolBarToolBase * const tool = node->GetData(); | |
252 | if ( tool->IsControl() ) | |
253 | { | |
254 | wxControl * const control = tool->GetControl(); | |
255 | ||
256 | if ( !control ) | |
257 | { | |
258 | wxFAIL_MSG( _T("NULL control in toolbar?") ); | |
259 | } | |
260 | else if ( control->GetId() == id ) | |
261 | { | |
262 | // found | |
263 | return control; | |
264 | } | |
265 | } | |
266 | } | |
267 | ||
268 | return NULL; | |
269 | } | |
270 | ||
271 | wxToolBarToolBase *wxToolBarBase::AddSeparator() | |
272 | { | |
273 | return InsertSeparator(GetToolsCount()); | |
274 | } | |
275 | ||
276 | wxToolBarToolBase *wxToolBarBase::InsertSeparator(size_t pos) | |
277 | { | |
278 | wxCHECK_MSG( pos <= GetToolsCount(), (wxToolBarToolBase *)NULL, | |
279 | _T("invalid position in wxToolBar::InsertSeparator()") ); | |
280 | ||
281 | wxToolBarToolBase *tool = CreateTool(wxID_SEPARATOR, | |
282 | wxEmptyString, | |
283 | wxNullBitmap, wxNullBitmap, | |
284 | wxITEM_SEPARATOR, (wxObject *)NULL, | |
285 | wxEmptyString, wxEmptyString); | |
286 | ||
287 | if ( !tool || !DoInsertTool(pos, tool) ) | |
288 | { | |
289 | delete tool; | |
290 | ||
291 | return NULL; | |
292 | } | |
293 | ||
294 | m_tools.Insert(pos, tool); | |
295 | ||
296 | return tool; | |
297 | } | |
298 | ||
299 | wxToolBarToolBase *wxToolBarBase::RemoveTool(int id) | |
300 | { | |
301 | size_t pos = 0; | |
302 | wxToolBarToolsList::compatibility_iterator node; | |
303 | for ( node = m_tools.GetFirst(); node; node = node->GetNext() ) | |
304 | { | |
305 | if ( node->GetData()->GetId() == id ) | |
306 | break; | |
307 | ||
308 | pos++; | |
309 | } | |
310 | ||
311 | if ( !node ) | |
312 | { | |
313 | // don't give any error messages - sometimes we might call RemoveTool() | |
314 | // without knowing whether the tool is or not in the toolbar | |
315 | return (wxToolBarToolBase *)NULL; | |
316 | } | |
317 | ||
318 | wxToolBarToolBase *tool = node->GetData(); | |
319 | if ( !DoDeleteTool(pos, tool) ) | |
320 | { | |
321 | return (wxToolBarToolBase *)NULL; | |
322 | } | |
323 | ||
324 | m_tools.Erase(node); | |
325 | ||
326 | return tool; | |
327 | } | |
328 | ||
329 | bool wxToolBarBase::DeleteToolByPos(size_t pos) | |
330 | { | |
331 | wxCHECK_MSG( pos < GetToolsCount(), false, | |
332 | _T("invalid position in wxToolBar::DeleteToolByPos()") ); | |
333 | ||
334 | wxToolBarToolsList::compatibility_iterator node = m_tools.Item(pos); | |
335 | ||
336 | if ( !DoDeleteTool(pos, node->GetData()) ) | |
337 | { | |
338 | return false; | |
339 | } | |
340 | ||
341 | delete node->GetData(); | |
342 | m_tools.Erase(node); | |
343 | ||
344 | return true; | |
345 | } | |
346 | ||
347 | bool wxToolBarBase::DeleteTool(int id) | |
348 | { | |
349 | size_t pos = 0; | |
350 | wxToolBarToolsList::compatibility_iterator node; | |
351 | for ( node = m_tools.GetFirst(); node; node = node->GetNext() ) | |
352 | { | |
353 | if ( node->GetData()->GetId() == id ) | |
354 | break; | |
355 | ||
356 | pos++; | |
357 | } | |
358 | ||
359 | if ( !node || !DoDeleteTool(pos, node->GetData()) ) | |
360 | { | |
361 | return false; | |
362 | } | |
363 | ||
364 | delete node->GetData(); | |
365 | m_tools.Erase(node); | |
366 | ||
367 | return true; | |
368 | } | |
369 | ||
370 | wxToolBarToolBase *wxToolBarBase::FindById(int id) const | |
371 | { | |
372 | wxToolBarToolBase *tool = (wxToolBarToolBase *)NULL; | |
373 | ||
374 | for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst(); | |
375 | node; | |
376 | node = node->GetNext() ) | |
377 | { | |
378 | tool = node->GetData(); | |
379 | if ( tool->GetId() == id ) | |
380 | { | |
381 | // found | |
382 | break; | |
383 | } | |
384 | ||
385 | tool = NULL; | |
386 | } | |
387 | ||
388 | return tool; | |
389 | } | |
390 | ||
391 | void wxToolBarBase::UnToggleRadioGroup(wxToolBarToolBase *tool) | |
392 | { | |
393 | wxCHECK_RET( tool, _T("NULL tool in wxToolBarTool::UnToggleRadioGroup") ); | |
394 | ||
395 | if ( !tool->IsButton() || tool->GetKind() != wxITEM_RADIO ) | |
396 | return; | |
397 | ||
398 | wxToolBarToolsList::compatibility_iterator node = m_tools.Find(tool); | |
399 | wxCHECK_RET( node, _T("invalid tool in wxToolBarTool::UnToggleRadioGroup") ); | |
400 | ||
401 | wxToolBarToolsList::compatibility_iterator nodeNext = node->GetNext(); | |
402 | while ( nodeNext ) | |
403 | { | |
404 | wxToolBarToolBase *tool = nodeNext->GetData(); | |
405 | ||
406 | if ( !tool->IsButton() || tool->GetKind() != wxITEM_RADIO ) | |
407 | break; | |
408 | ||
409 | if ( tool->Toggle(false) ) | |
410 | { | |
411 | DoToggleTool(tool, false); | |
412 | } | |
413 | ||
414 | nodeNext = nodeNext->GetNext(); | |
415 | } | |
416 | ||
417 | wxToolBarToolsList::compatibility_iterator nodePrev = node->GetPrevious(); | |
418 | while ( nodePrev ) | |
419 | { | |
420 | wxToolBarToolBase *tool = nodePrev->GetData(); | |
421 | ||
422 | if ( !tool->IsButton() || tool->GetKind() != wxITEM_RADIO ) | |
423 | break; | |
424 | ||
425 | if ( tool->Toggle(false) ) | |
426 | { | |
427 | DoToggleTool(tool, false); | |
428 | } | |
429 | ||
430 | nodePrev = nodePrev->GetPrevious(); | |
431 | } | |
432 | } | |
433 | ||
434 | void wxToolBarBase::ClearTools() | |
435 | { | |
436 | WX_CLEAR_LIST(wxToolBarToolsList, m_tools); | |
437 | } | |
438 | ||
439 | bool wxToolBarBase::Realize() | |
440 | { | |
441 | return true; | |
442 | } | |
443 | ||
444 | wxToolBarBase::~wxToolBarBase() | |
445 | { | |
446 | WX_CLEAR_LIST(wxToolBarToolsList, m_tools); | |
447 | ||
448 | // notify the frame that it doesn't have a tool bar any longer to avoid | |
449 | // dangling pointers | |
450 | wxFrame *frame = wxDynamicCast(GetParent(), wxFrame); | |
451 | if ( frame && frame->GetToolBar() == this ) | |
452 | { | |
453 | frame->SetToolBar(NULL); | |
454 | } | |
455 | } | |
456 | ||
457 | // ---------------------------------------------------------------------------- | |
458 | // wxToolBarBase tools state | |
459 | // ---------------------------------------------------------------------------- | |
460 | ||
461 | void wxToolBarBase::EnableTool(int id, bool enable) | |
462 | { | |
463 | wxToolBarToolBase *tool = FindById(id); | |
464 | if ( tool ) | |
465 | { | |
466 | if ( tool->Enable(enable) ) | |
467 | { | |
468 | DoEnableTool(tool, enable); | |
469 | } | |
470 | } | |
471 | } | |
472 | ||
473 | void wxToolBarBase::ToggleTool(int id, bool toggle) | |
474 | { | |
475 | wxToolBarToolBase *tool = FindById(id); | |
476 | if ( tool && tool->CanBeToggled() ) | |
477 | { | |
478 | if ( tool->Toggle(toggle) ) | |
479 | { | |
480 | UnToggleRadioGroup(tool); | |
481 | DoToggleTool(tool, toggle); | |
482 | } | |
483 | } | |
484 | } | |
485 | ||
486 | void wxToolBarBase::SetToggle(int id, bool toggle) | |
487 | { | |
488 | wxToolBarToolBase *tool = FindById(id); | |
489 | if ( tool ) | |
490 | { | |
491 | if ( tool->SetToggle(toggle) ) | |
492 | { | |
493 | DoSetToggle(tool, toggle); | |
494 | } | |
495 | } | |
496 | } | |
497 | ||
498 | void wxToolBarBase::SetToolShortHelp(int id, const wxString& help) | |
499 | { | |
500 | wxToolBarToolBase *tool = FindById(id); | |
501 | if ( tool ) | |
502 | { | |
503 | (void)tool->SetShortHelp(help); | |
504 | } | |
505 | } | |
506 | ||
507 | void wxToolBarBase::SetToolLongHelp(int id, const wxString& help) | |
508 | { | |
509 | wxToolBarToolBase *tool = FindById(id); | |
510 | if ( tool ) | |
511 | { | |
512 | (void)tool->SetLongHelp(help); | |
513 | } | |
514 | } | |
515 | ||
516 | wxObject *wxToolBarBase::GetToolClientData(int id) const | |
517 | { | |
518 | wxToolBarToolBase *tool = FindById(id); | |
519 | ||
520 | return tool ? tool->GetClientData() : (wxObject *)NULL; | |
521 | } | |
522 | ||
523 | void wxToolBarBase::SetToolClientData(int id, wxObject *clientData) | |
524 | { | |
525 | wxToolBarToolBase *tool = FindById(id); | |
526 | ||
527 | wxCHECK_RET( tool, _T("no such tool in wxToolBar::SetToolClientData") ); | |
528 | ||
529 | tool->SetClientData(clientData); | |
530 | } | |
531 | ||
532 | int wxToolBarBase::GetToolPos(int id) const | |
533 | { | |
534 | size_t pos = 0; | |
535 | wxToolBarToolsList::compatibility_iterator node; | |
536 | ||
537 | for ( node = m_tools.GetFirst(); node; node = node->GetNext() ) | |
538 | { | |
539 | if ( node->GetData()->GetId() == id ) | |
540 | return pos; | |
541 | ||
542 | pos++; | |
543 | } | |
544 | ||
545 | return wxNOT_FOUND; | |
546 | } | |
547 | ||
548 | bool wxToolBarBase::GetToolState(int id) const | |
549 | { | |
550 | wxToolBarToolBase *tool = FindById(id); | |
551 | wxCHECK_MSG( tool, false, _T("no such tool") ); | |
552 | ||
553 | return tool->IsToggled(); | |
554 | } | |
555 | ||
556 | bool wxToolBarBase::GetToolEnabled(int id) const | |
557 | { | |
558 | wxToolBarToolBase *tool = FindById(id); | |
559 | wxCHECK_MSG( tool, false, _T("no such tool") ); | |
560 | ||
561 | return tool->IsEnabled(); | |
562 | } | |
563 | ||
564 | wxString wxToolBarBase::GetToolShortHelp(int id) const | |
565 | { | |
566 | wxToolBarToolBase *tool = FindById(id); | |
567 | wxCHECK_MSG( tool, wxEmptyString, _T("no such tool") ); | |
568 | ||
569 | return tool->GetShortHelp(); | |
570 | } | |
571 | ||
572 | wxString wxToolBarBase::GetToolLongHelp(int id) const | |
573 | { | |
574 | wxToolBarToolBase *tool = FindById(id); | |
575 | wxCHECK_MSG( tool, wxEmptyString, _T("no such tool") ); | |
576 | ||
577 | return tool->GetLongHelp(); | |
578 | } | |
579 | ||
580 | // ---------------------------------------------------------------------------- | |
581 | // wxToolBarBase geometry | |
582 | // ---------------------------------------------------------------------------- | |
583 | ||
584 | void wxToolBarBase::SetMargins(int x, int y) | |
585 | { | |
586 | m_xMargin = x; | |
587 | m_yMargin = y; | |
588 | } | |
589 | ||
590 | void wxToolBarBase::SetRows(int WXUNUSED(nRows)) | |
591 | { | |
592 | // nothing | |
593 | } | |
594 | ||
595 | // ---------------------------------------------------------------------------- | |
596 | // event processing | |
597 | // ---------------------------------------------------------------------------- | |
598 | ||
599 | // Only allow toggle if returns true | |
600 | bool wxToolBarBase::OnLeftClick(int id, bool toggleDown) | |
601 | { | |
602 | wxCommandEvent event(wxEVT_COMMAND_TOOL_CLICKED, id); | |
603 | event.SetEventObject(this); | |
604 | ||
605 | // we use SetInt() to make wxCommandEvent::IsChecked() return toggleDown | |
606 | event.SetInt((int)toggleDown); | |
607 | ||
608 | // and SetExtraLong() for backwards compatibility | |
609 | event.SetExtraLong((long)toggleDown); | |
610 | ||
611 | // Send events to this toolbar instead (and thence up the window hierarchy) | |
612 | GetEventHandler()->ProcessEvent(event); | |
613 | ||
614 | return true; | |
615 | } | |
616 | ||
617 | // Call when right button down. | |
618 | void wxToolBarBase::OnRightClick(int id, | |
619 | long WXUNUSED(x), | |
620 | long WXUNUSED(y)) | |
621 | { | |
622 | wxCommandEvent event(wxEVT_COMMAND_TOOL_RCLICKED, id); | |
623 | event.SetEventObject(this); | |
624 | event.SetInt(id); | |
625 | ||
626 | GetEventHandler()->ProcessEvent(event); | |
627 | } | |
628 | ||
629 | // Called when the mouse cursor enters a tool bitmap (no button pressed). | |
630 | // Argument is wxID_ANY if mouse is exiting the toolbar. | |
631 | // Note that for this event, the id of the window is used, | |
632 | // and the integer parameter of wxCommandEvent is used to retrieve | |
633 | // the tool id. | |
634 | void wxToolBarBase::OnMouseEnter(int id) | |
635 | { | |
636 | wxCommandEvent event(wxEVT_COMMAND_TOOL_ENTER, GetId()); | |
637 | event.SetEventObject(this); | |
638 | event.SetInt(id); | |
639 | ||
640 | wxFrame *frame = wxDynamicCast(GetParent(), wxFrame); | |
641 | if( frame ) | |
642 | { | |
643 | wxString help; | |
644 | wxToolBarToolBase* tool = id == wxID_ANY ? (wxToolBarToolBase*)NULL : FindById(id); | |
645 | if(tool) | |
646 | help = tool->GetLongHelp(); | |
647 | frame->DoGiveHelp( help, id != wxID_ANY ); | |
648 | } | |
649 | ||
650 | (void)GetEventHandler()->ProcessEvent(event); | |
651 | } | |
652 | ||
653 | // ---------------------------------------------------------------------------- | |
654 | // UI updates | |
655 | // ---------------------------------------------------------------------------- | |
656 | ||
657 | // Do the toolbar button updates (check for EVT_UPDATE_UI handlers) | |
658 | void wxToolBarBase::UpdateWindowUI(long flags) | |
659 | { | |
660 | wxWindowBase::UpdateWindowUI(flags); | |
661 | ||
662 | // There is no sense in updating the toolbar UI | |
663 | // if the parent window is about to get destroyed | |
664 | wxWindow *tlw = wxGetTopLevelParent( this ); | |
665 | if (tlw && wxPendingDelete.Member( tlw )) | |
666 | return; | |
667 | ||
668 | wxEvtHandler* evtHandler = GetEventHandler() ; | |
669 | ||
670 | for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst(); | |
671 | node; | |
672 | node = node->GetNext() ) | |
673 | { | |
674 | int id = node->GetData()->GetId(); | |
675 | ||
676 | wxUpdateUIEvent event(id); | |
677 | event.SetEventObject(this); | |
678 | ||
679 | if ( evtHandler->ProcessEvent(event) ) | |
680 | { | |
681 | if ( event.GetSetEnabled() ) | |
682 | EnableTool(id, event.GetEnabled()); | |
683 | if ( event.GetSetChecked() ) | |
684 | ToggleTool(id, event.GetChecked()); | |
685 | #if 0 | |
686 | if ( event.GetSetText() ) | |
687 | // Set tooltip? | |
688 | #endif // 0 | |
689 | } | |
690 | } | |
691 | } | |
692 | ||
693 | #if wxUSE_IMAGE | |
694 | ||
695 | /* | |
696 | * Make a greyed-out image suitable for disabled buttons. | |
697 | * This code is adapted from wxNewBitmapButton in FL. | |
698 | */ | |
699 | ||
700 | bool wxCreateGreyedImage(const wxImage& src, wxImage& dst) | |
701 | { | |
702 | dst = src.Copy(); | |
703 | ||
704 | unsigned char rBg, gBg, bBg; | |
705 | if ( src.HasMask() ) | |
706 | { | |
707 | src.GetOrFindMaskColour(&rBg, &gBg, &bBg); | |
708 | dst.SetMaskColour(rBg, gBg, bBg); | |
709 | } | |
710 | else // assuming the pixels along the edges are of the background color | |
711 | { | |
712 | rBg = src.GetRed(0, 0); | |
713 | gBg = src.GetGreen(0, 0); | |
714 | bBg = src.GetBlue(0, 0); | |
715 | } | |
716 | ||
717 | const wxColour colBg(rBg, gBg, bBg); | |
718 | ||
719 | const wxColour colDark = wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW); | |
720 | const wxColour colLight = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT); | |
721 | ||
722 | // Second attempt, just making things monochrome | |
723 | const int width = src.GetWidth(); | |
724 | const int height = src.GetHeight(); | |
725 | ||
726 | for ( int x = 0; x < width; x++ ) | |
727 | { | |
728 | for ( int y = 0; y < height; y++ ) | |
729 | { | |
730 | const int r = src.GetRed(x, y); | |
731 | const int g = src.GetGreen(x, y); | |
732 | const int b = src.GetBlue(x, y); | |
733 | ||
734 | if ( r == rBg && g == gBg && b == bBg ) | |
735 | { | |
736 | // Leave the background colour as-is | |
737 | continue; | |
738 | } | |
739 | ||
740 | // Change light things to the background colour | |
741 | wxColour col; | |
742 | if ( r >= (colLight.Red() - 50) && | |
743 | g >= (colLight.Green() - 50) && | |
744 | b >= (colLight.Blue() - 50) ) | |
745 | { | |
746 | col = colBg; | |
747 | } | |
748 | else // Change dark things to really dark | |
749 | { | |
750 | col = colDark; | |
751 | } | |
752 | ||
753 | dst.SetRGB(x, y, col.Red(), col.Green(), col.Blue()); | |
754 | } | |
755 | } | |
756 | ||
757 | return true; | |
758 | } | |
759 | ||
760 | #endif // wxUSE_IMAGE | |
761 | ||
762 | #endif // wxUSE_TOOLBAR |