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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/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 #include "wx/toolbar.h"
30
31 #ifndef WX_PRECOMP
32 #include "wx/control.h"
33 #include "wx/frame.h"
34 #include "wx/settings.h"
35 #if WXWIN_COMPATIBILITY_2_8
36 #include "wx/image.h"
37 #endif // WXWIN_COMPATIBILITY_2_8
38 #include "wx/menu.h"
39 #endif
40
41 // ----------------------------------------------------------------------------
42 // wxWidgets macros
43 // ----------------------------------------------------------------------------
44
45 BEGIN_EVENT_TABLE(wxToolBarBase, wxControl)
46 END_EVENT_TABLE()
47
48 #include "wx/listimpl.cpp"
49
50 WX_DEFINE_LIST(wxToolBarToolsList)
51
52 // ============================================================================
53 // implementation
54 // ============================================================================
55
56 // ----------------------------------------------------------------------------
57 // wxToolBarToolBase
58 // ----------------------------------------------------------------------------
59
60 IMPLEMENT_DYNAMIC_CLASS(wxToolBarToolBase, wxObject)
61
62 wxToolBarToolBase::~wxToolBarToolBase()
63 {
64 #if wxUSE_MENUS
65 delete m_dropdownMenu;
66 #endif
67
68 if ( IsControl() )
69 GetControl()->Destroy();
70 }
71
72
73 bool wxToolBarToolBase::Enable(bool enable)
74 {
75 if ( m_enabled == enable )
76 return false;
77
78 m_enabled = enable;
79
80 return true;
81 }
82
83 bool wxToolBarToolBase::Toggle(bool toggle)
84 {
85 wxASSERT_MSG( CanBeToggled(), wxT("can't toggle this tool") );
86
87 if ( m_toggled == toggle )
88 return false;
89
90 m_toggled = toggle;
91
92 return true;
93 }
94
95 bool wxToolBarToolBase::SetToggle(bool toggle)
96 {
97 wxItemKind kind = toggle ? wxITEM_CHECK : wxITEM_NORMAL;
98 if ( m_kind == kind )
99 return false;
100
101 m_kind = kind;
102
103 return true;
104 }
105
106 bool wxToolBarToolBase::SetShortHelp(const wxString& help)
107 {
108 if ( m_shortHelpString == help )
109 return false;
110
111 m_shortHelpString = help;
112
113 return true;
114 }
115
116 bool wxToolBarToolBase::SetLongHelp(const wxString& help)
117 {
118 if ( m_longHelpString == help )
119 return false;
120
121 m_longHelpString = help;
122
123 return true;
124 }
125
126
127 #if wxUSE_MENUS
128 void wxToolBarToolBase::SetDropdownMenu(wxMenu* menu)
129 {
130 delete m_dropdownMenu;
131 m_dropdownMenu = menu;
132 }
133 #endif
134
135
136 // ----------------------------------------------------------------------------
137 // wxToolBarBase adding/deleting items
138 // ----------------------------------------------------------------------------
139
140 wxToolBarBase::wxToolBarBase()
141 {
142 // the list owns the pointers
143 m_xMargin = m_yMargin = 0;
144 m_maxRows = m_maxCols = 0;
145 m_toolPacking = m_toolSeparation = 0;
146 m_defaultWidth = 16;
147 m_defaultHeight = 15;
148 }
149
150 void wxToolBarBase::FixupStyle()
151 {
152 if ( !HasFlag(wxTB_TOP | wxTB_LEFT | wxTB_RIGHT | wxTB_BOTTOM) )
153 {
154 // this is the default
155 m_windowStyle |= wxTB_TOP;
156 }
157 }
158
159 wxToolBarToolBase *wxToolBarBase::DoAddTool(int id,
160 const wxString& label,
161 const wxBitmap& bitmap,
162 const wxBitmap& bmpDisabled,
163 wxItemKind kind,
164 const wxString& shortHelp,
165 const wxString& longHelp,
166 wxObject *clientData,
167 wxCoord WXUNUSED(xPos),
168 wxCoord WXUNUSED(yPos))
169 {
170 InvalidateBestSize();
171 return InsertTool(GetToolsCount(), id, label, bitmap, bmpDisabled,
172 kind, shortHelp, longHelp, clientData);
173 }
174
175 wxToolBarToolBase *wxToolBarBase::InsertTool(size_t pos,
176 int id,
177 const wxString& label,
178 const wxBitmap& bitmap,
179 const wxBitmap& bmpDisabled,
180 wxItemKind kind,
181 const wxString& shortHelp,
182 const wxString& longHelp,
183 wxObject *clientData)
184 {
185 wxCHECK_MSG( pos <= GetToolsCount(), NULL,
186 wxT("invalid position in wxToolBar::InsertTool()") );
187
188 return DoInsertNewTool(pos, CreateTool(id, label, bitmap, bmpDisabled, kind,
189 clientData, shortHelp, longHelp));
190 }
191
192 wxToolBarToolBase *wxToolBarBase::AddTool(wxToolBarToolBase *tool)
193 {
194 return InsertTool(GetToolsCount(), tool);
195 }
196
197 wxToolBarToolBase *
198 wxToolBarBase::InsertTool(size_t pos, wxToolBarToolBase *tool)
199 {
200 wxCHECK_MSG( pos <= GetToolsCount(), NULL,
201 wxT("invalid position in wxToolBar::InsertTool()") );
202
203 if ( !tool || !DoInsertTool(pos, tool) )
204 {
205 return NULL;
206 }
207
208 m_tools.Insert(pos, tool);
209 tool->Attach(this);
210
211 return tool;
212 }
213
214 wxToolBarToolBase *
215 wxToolBarBase::AddControl(wxControl *control, const wxString& label)
216 {
217 return InsertControl(GetToolsCount(), control, label);
218 }
219
220 wxToolBarToolBase *
221 wxToolBarBase::InsertControl(size_t pos,
222 wxControl *control,
223 const wxString& label)
224 {
225 wxCHECK_MSG( control, NULL,
226 wxT("toolbar: can't insert NULL control") );
227
228 wxCHECK_MSG( control->GetParent() == this, NULL,
229 wxT("control must have toolbar as parent") );
230
231 return DoInsertNewTool(pos, CreateTool(control, label));
232 }
233
234 wxControl *wxToolBarBase::FindControl( int id )
235 {
236 for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
237 node;
238 node = node->GetNext() )
239 {
240 const wxToolBarToolBase * const tool = node->GetData();
241 if ( tool->IsControl() )
242 {
243 wxControl * const control = tool->GetControl();
244
245 if ( !control )
246 {
247 wxFAIL_MSG( wxT("NULL control in toolbar?") );
248 }
249 else if ( control->GetId() == id )
250 {
251 // found
252 return control;
253 }
254 }
255 }
256
257 return NULL;
258 }
259
260 wxToolBarToolBase *wxToolBarBase::AddSeparator()
261 {
262 return InsertSeparator(GetToolsCount());
263 }
264
265 wxToolBarToolBase *wxToolBarBase::InsertSeparator(size_t pos)
266 {
267 return DoInsertNewTool(pos, CreateSeparator());
268 }
269
270 wxToolBarToolBase *wxToolBarBase::AddStretchableSpace()
271 {
272 return InsertStretchableSpace(GetToolsCount());
273 }
274
275 wxToolBarToolBase *wxToolBarBase::InsertStretchableSpace(size_t pos)
276 {
277 wxToolBarToolBase * const tool = CreateSeparator();
278 if ( tool )
279 {
280 // this is a hack but we know that all the current implementations
281 // don't really use the tool when it's created, they will do it
282 // InsertTool() at earliest and maybe even in Realize() much later
283 //
284 // so we can create the tool as a plain separator and mark it as being
285 // a stretchable space later
286 tool->MakeStretchable();
287 }
288
289 return DoInsertNewTool(pos, tool);
290 }
291
292 wxToolBarToolBase *wxToolBarBase::RemoveTool(int id)
293 {
294 size_t pos = 0;
295 wxToolBarToolsList::compatibility_iterator node;
296 for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
297 {
298 if ( node->GetData()->GetId() == id )
299 break;
300
301 pos++;
302 }
303
304 if ( !node )
305 {
306 // don't give any error messages - sometimes we might call RemoveTool()
307 // without knowing whether the tool is or not in the toolbar
308 return NULL;
309 }
310
311 wxToolBarToolBase *tool = node->GetData();
312 wxCHECK_MSG( tool, NULL, "NULL tool in the tools list?" );
313
314 if ( !DoDeleteTool(pos, tool) )
315 return NULL;
316
317 m_tools.Erase(node);
318
319 tool->Detach();
320
321 return tool;
322 }
323
324 bool wxToolBarBase::DeleteToolByPos(size_t pos)
325 {
326 wxCHECK_MSG( pos < GetToolsCount(), false,
327 wxT("invalid position in wxToolBar::DeleteToolByPos()") );
328
329 wxToolBarToolsList::compatibility_iterator node = m_tools.Item(pos);
330
331 if ( !DoDeleteTool(pos, node->GetData()) )
332 {
333 return false;
334 }
335
336 delete node->GetData();
337 m_tools.Erase(node);
338
339 return true;
340 }
341
342 bool wxToolBarBase::DeleteTool(int id)
343 {
344 size_t pos = 0;
345 wxToolBarToolsList::compatibility_iterator node;
346 for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
347 {
348 if ( node->GetData()->GetId() == id )
349 break;
350
351 pos++;
352 }
353
354 if ( !node || !DoDeleteTool(pos, node->GetData()) )
355 {
356 return false;
357 }
358
359 delete node->GetData();
360 m_tools.Erase(node);
361
362 return true;
363 }
364
365 wxToolBarToolBase *wxToolBarBase::FindById(int id) const
366 {
367 wxToolBarToolBase *tool = NULL;
368
369 for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
370 node;
371 node = node->GetNext() )
372 {
373 tool = node->GetData();
374 if ( tool->GetId() == id )
375 {
376 // found
377 break;
378 }
379
380 tool = NULL;
381 }
382
383 return tool;
384 }
385
386 void wxToolBarBase::UnToggleRadioGroup(wxToolBarToolBase *tool)
387 {
388 wxCHECK_RET( tool, wxT("NULL tool in wxToolBarTool::UnToggleRadioGroup") );
389
390 if ( !tool->IsButton() || tool->GetKind() != wxITEM_RADIO )
391 return;
392
393 wxToolBarToolsList::compatibility_iterator node = m_tools.Find(tool);
394 wxCHECK_RET( node, wxT("invalid tool in wxToolBarTool::UnToggleRadioGroup") );
395
396 wxToolBarToolsList::compatibility_iterator nodeNext = node->GetNext();
397 while ( nodeNext )
398 {
399 wxToolBarToolBase *toolNext = nodeNext->GetData();
400
401 if ( !toolNext->IsButton() || toolNext->GetKind() != wxITEM_RADIO )
402 break;
403
404 if ( toolNext->Toggle(false) )
405 {
406 DoToggleTool(toolNext, false);
407 }
408
409 nodeNext = nodeNext->GetNext();
410 }
411
412 wxToolBarToolsList::compatibility_iterator nodePrev = node->GetPrevious();
413 while ( nodePrev )
414 {
415 wxToolBarToolBase *toolNext = nodePrev->GetData();
416
417 if ( !toolNext->IsButton() || toolNext->GetKind() != wxITEM_RADIO )
418 break;
419
420 if ( toolNext->Toggle(false) )
421 {
422 DoToggleTool(toolNext, false);
423 }
424
425 nodePrev = nodePrev->GetPrevious();
426 }
427 }
428
429 void wxToolBarBase::ClearTools()
430 {
431 while ( GetToolsCount() )
432 {
433 DeleteToolByPos(0);
434 }
435 }
436
437 void wxToolBarBase::AdjustToolBitmapSize()
438 {
439 const wxSize sizeOrig(m_defaultWidth, m_defaultHeight);
440
441 wxSize sizeActual(sizeOrig);
442
443 for ( wxToolBarToolsList::const_iterator i = m_tools.begin();
444 i != m_tools.end();
445 ++i )
446 {
447 const wxBitmap& bmp = (*i)->GetNormalBitmap();
448 if ( bmp.IsOk() )
449 sizeActual.IncTo(bmp.GetSize());
450 }
451
452 if ( sizeActual != sizeOrig )
453 SetToolBitmapSize(sizeActual);
454 }
455
456 bool wxToolBarBase::Realize()
457 {
458 // check if we have anything to do
459 if ( m_tools.empty() )
460 return false;
461
462 // make sure tool size is large enough for all bitmaps to fit in
463 AdjustToolBitmapSize();
464
465 return true;
466 }
467
468 wxToolBarBase::~wxToolBarBase()
469 {
470 WX_CLEAR_LIST(wxToolBarToolsList, m_tools);
471
472 // notify the frame that it doesn't have a tool bar any longer to avoid
473 // dangling pointers
474 wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
475 if ( frame && frame->GetToolBar() == this )
476 {
477 frame->SetToolBar(NULL);
478 }
479 }
480
481 // ----------------------------------------------------------------------------
482 // wxToolBarBase tools state
483 // ----------------------------------------------------------------------------
484
485 void wxToolBarBase::EnableTool(int id, bool enable)
486 {
487 wxToolBarToolBase *tool = FindById(id);
488 if ( tool )
489 {
490 if ( tool->Enable(enable) )
491 {
492 DoEnableTool(tool, enable);
493 }
494 }
495 }
496
497 void wxToolBarBase::ToggleTool(int id, bool toggle)
498 {
499 wxToolBarToolBase *tool = FindById(id);
500 if ( tool && tool->CanBeToggled() )
501 {
502 if ( tool->Toggle(toggle) )
503 {
504 UnToggleRadioGroup(tool);
505 DoToggleTool(tool, toggle);
506 }
507 }
508 }
509
510 void wxToolBarBase::SetToggle(int id, bool toggle)
511 {
512 wxToolBarToolBase *tool = FindById(id);
513 if ( tool )
514 {
515 if ( tool->SetToggle(toggle) )
516 {
517 DoSetToggle(tool, toggle);
518 }
519 }
520 }
521
522 void wxToolBarBase::SetToolShortHelp(int id, const wxString& help)
523 {
524 wxToolBarToolBase *tool = FindById(id);
525 if ( tool )
526 {
527 (void)tool->SetShortHelp(help);
528 }
529 }
530
531 void wxToolBarBase::SetToolLongHelp(int id, const wxString& help)
532 {
533 wxToolBarToolBase *tool = FindById(id);
534 if ( tool )
535 {
536 (void)tool->SetLongHelp(help);
537 }
538 }
539
540 wxObject *wxToolBarBase::GetToolClientData(int id) const
541 {
542 wxToolBarToolBase *tool = FindById(id);
543
544 return tool ? tool->GetClientData() : NULL;
545 }
546
547 void wxToolBarBase::SetToolClientData(int id, wxObject *clientData)
548 {
549 wxToolBarToolBase *tool = FindById(id);
550
551 wxCHECK_RET( tool, wxT("no such tool in wxToolBar::SetToolClientData") );
552
553 tool->SetClientData(clientData);
554 }
555
556 int wxToolBarBase::GetToolPos(int id) const
557 {
558 size_t pos = 0;
559 wxToolBarToolsList::compatibility_iterator node;
560
561 for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
562 {
563 if ( node->GetData()->GetId() == id )
564 return pos;
565
566 pos++;
567 }
568
569 return wxNOT_FOUND;
570 }
571
572 bool wxToolBarBase::GetToolState(int id) const
573 {
574 wxToolBarToolBase *tool = FindById(id);
575 wxCHECK_MSG( tool, false, wxT("no such tool") );
576
577 return tool->IsToggled();
578 }
579
580 bool wxToolBarBase::GetToolEnabled(int id) const
581 {
582 wxToolBarToolBase *tool = FindById(id);
583 wxCHECK_MSG( tool, false, wxT("no such tool") );
584
585 return tool->IsEnabled();
586 }
587
588 wxString wxToolBarBase::GetToolShortHelp(int id) const
589 {
590 wxToolBarToolBase *tool = FindById(id);
591 wxCHECK_MSG( tool, wxEmptyString, wxT("no such tool") );
592
593 return tool->GetShortHelp();
594 }
595
596 wxString wxToolBarBase::GetToolLongHelp(int id) const
597 {
598 wxToolBarToolBase *tool = FindById(id);
599 wxCHECK_MSG( tool, wxEmptyString, wxT("no such tool") );
600
601 return tool->GetLongHelp();
602 }
603
604 // ----------------------------------------------------------------------------
605 // wxToolBarBase geometry
606 // ----------------------------------------------------------------------------
607
608 void wxToolBarBase::SetMargins(int x, int y)
609 {
610 m_xMargin = x;
611 m_yMargin = y;
612 }
613
614 void wxToolBarBase::SetRows(int WXUNUSED(nRows))
615 {
616 // nothing
617 }
618
619 bool wxToolBarBase::IsVertical() const
620 {
621 return HasFlag(wxTB_LEFT | wxTB_RIGHT);
622 }
623
624
625 // ----------------------------------------------------------------------------
626 // event processing
627 // ----------------------------------------------------------------------------
628
629 // Only allow toggle if returns true
630 bool wxToolBarBase::OnLeftClick(int id, bool toggleDown)
631 {
632 wxCommandEvent event(wxEVT_COMMAND_TOOL_CLICKED, id);
633 event.SetEventObject(this);
634
635 // we use SetInt() to make wxCommandEvent::IsChecked() return toggleDown
636 event.SetInt((int)toggleDown);
637
638 // and SetExtraLong() for backwards compatibility
639 event.SetExtraLong((long)toggleDown);
640
641 // Send events to this toolbar instead (and thence up the window hierarchy)
642 HandleWindowEvent(event);
643
644 return true;
645 }
646
647 // Call when right button down.
648 void wxToolBarBase::OnRightClick(int id,
649 long WXUNUSED(x),
650 long WXUNUSED(y))
651 {
652 wxCommandEvent event(wxEVT_COMMAND_TOOL_RCLICKED, id);
653 event.SetEventObject(this);
654 event.SetInt(id);
655
656 GetEventHandler()->ProcessEvent(event);
657 }
658
659 // Called when the mouse cursor enters a tool bitmap (no button pressed).
660 // Argument is wxID_ANY if mouse is exiting the toolbar.
661 // Note that for this event, the id of the window is used,
662 // and the integer parameter of wxCommandEvent is used to retrieve
663 // the tool id.
664 void wxToolBarBase::OnMouseEnter(int id)
665 {
666 wxCommandEvent event(wxEVT_COMMAND_TOOL_ENTER, GetId());
667 event.SetEventObject(this);
668 event.SetInt(id);
669
670 wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
671 if ( frame )
672 {
673 wxString help;
674 if ( id != wxID_ANY )
675 {
676 const wxToolBarToolBase * const tool = FindById(id);
677 if ( tool )
678 help = tool->GetLongHelp();
679 }
680
681 // call DoGiveHelp() even if help string is empty to avoid showing the
682 // help for the previously selected tool when another one is selected
683 frame->DoGiveHelp(help, id != wxID_ANY);
684 }
685
686 (void)GetEventHandler()->ProcessEvent(event);
687 }
688
689 // ----------------------------------------------------------------------------
690 // UI updates
691 // ----------------------------------------------------------------------------
692
693 // Do the toolbar button updates (check for EVT_UPDATE_UI handlers)
694 void wxToolBarBase::UpdateWindowUI(long flags)
695 {
696 wxWindowBase::UpdateWindowUI(flags);
697
698 // don't waste time updating state of tools in a hidden toolbar
699 if ( !IsShown() )
700 return;
701
702 // There is no sense in updating the toolbar UI
703 // if the parent window is about to get destroyed
704 wxWindow *tlw = wxGetTopLevelParent( this );
705 if (tlw && wxPendingDelete.Member( tlw ))
706 return;
707
708 wxEvtHandler* evtHandler = GetEventHandler() ;
709
710 for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
711 node;
712 node = node->GetNext() )
713 {
714 wxToolBarToolBase * const tool = node->GetData();
715 if ( tool->IsSeparator() )
716 continue;
717
718 int id = tool->GetId();
719
720 wxUpdateUIEvent event(id);
721 event.SetEventObject(this);
722
723 if ( evtHandler->ProcessEvent(event) )
724 {
725 if ( event.GetSetEnabled() )
726 EnableTool(id, event.GetEnabled());
727 if ( event.GetSetChecked() )
728 ToggleTool(id, event.GetChecked());
729 #if 0
730 if ( event.GetSetText() )
731 // Set tooltip?
732 #endif // 0
733 }
734 }
735 }
736
737 #if wxUSE_MENUS
738 bool wxToolBarBase::SetDropdownMenu(int toolid, wxMenu* menu)
739 {
740 wxToolBarToolBase * const tool = FindById(toolid);
741 wxCHECK_MSG( tool, false, wxT("invalid tool id") );
742
743 wxCHECK_MSG( tool->GetKind() == wxITEM_DROPDOWN, false,
744 wxT("menu can be only associated with drop down tools") );
745
746 tool->SetDropdownMenu(menu);
747
748 return true;
749 }
750 #endif
751
752 #if WXWIN_COMPATIBILITY_2_8
753
754 bool wxCreateGreyedImage(const wxImage& in, wxImage& out)
755 {
756 #if wxUSE_IMAGE
757 out = in.ConvertToGreyscale();
758 if ( out.Ok() )
759 return true;
760 #endif // wxUSE_IMAGE
761 return false;
762 }
763
764 #endif // WXWIN_COMPATIBILITY_2_8
765
766 #endif // wxUSE_TOOLBAR