Fixes for segfaults when the parent frame is destroyed
[wxWidgets.git] / src / aui / tabmdi.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/aui/tabmdi.cpp
3 // Purpose: Generic MDI (Multiple Document Interface) classes
4 // Author: Hans Van Leemputten
5 // Modified by: Benjamin I. Williams / Kirix Corporation
6 // Created: 29/07/2002
7 // RCS-ID: $Id$
8 // Copyright: (c) Hans Van Leemputten
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_AUI
28 #if wxUSE_MDI
29
30 #include "wx/aui/tabmdi.h"
31
32 #ifndef WX_PRECOMP
33 #include "wx/panel.h"
34 #include "wx/menu.h"
35 #include "wx/intl.h"
36 #include "wx/log.h"
37 #include "wx/settings.h"
38 #endif //WX_PRECOMP
39
40 #include "wx/stockitem.h"
41
42 enum MDI_MENU_ID
43 {
44 wxWINDOWCLOSE = 4001,
45 wxWINDOWCLOSEALL,
46 wxWINDOWNEXT,
47 wxWINDOWPREV
48 };
49
50 //-----------------------------------------------------------------------------
51 // wxAuiMDIParentFrame
52 //-----------------------------------------------------------------------------
53
54 IMPLEMENT_DYNAMIC_CLASS(wxAuiMDIParentFrame, wxFrame)
55
56 BEGIN_EVENT_TABLE(wxAuiMDIParentFrame, wxFrame)
57 #if wxUSE_MENUS
58 EVT_MENU (wxID_ANY, wxAuiMDIParentFrame::DoHandleMenu)
59 #endif
60 END_EVENT_TABLE()
61
62 wxAuiMDIParentFrame::wxAuiMDIParentFrame()
63 {
64 Init();
65 }
66
67 wxAuiMDIParentFrame::wxAuiMDIParentFrame(wxWindow *parent,
68 wxWindowID id,
69 const wxString& title,
70 const wxPoint& pos,
71 const wxSize& size,
72 long style,
73 const wxString& name)
74 {
75 Init();
76 (void)Create(parent, id, title, pos, size, style, name);
77 }
78
79 wxAuiMDIParentFrame::~wxAuiMDIParentFrame()
80 {
81 // Make sure the client window is destructed before the menu bars are!
82 wxDELETE(m_pClientWindow);
83
84 #if wxUSE_MENUS
85 wxDELETE(m_pMyMenuBar);
86 RemoveWindowMenu(GetMenuBar());
87 wxDELETE(m_pWindowMenu);
88 #endif // wxUSE_MENUS
89 }
90
91 bool wxAuiMDIParentFrame::Create(wxWindow *parent,
92 wxWindowID id,
93 const wxString& title,
94 const wxPoint& pos,
95 const wxSize& size,
96 long style,
97 const wxString& name)
98 {
99 #if wxUSE_MENUS
100 // this style can be used to prevent a window from having the standard MDI
101 // "Window" menu
102 if (!(style & wxFRAME_NO_WINDOW_MENU))
103 {
104 m_pWindowMenu = new wxMenu;
105 m_pWindowMenu->Append(wxWINDOWCLOSE, _("Cl&ose"));
106 m_pWindowMenu->Append(wxWINDOWCLOSEALL, _("Close All"));
107 m_pWindowMenu->AppendSeparator();
108 m_pWindowMenu->Append(wxWINDOWNEXT, _("&Next"));
109 m_pWindowMenu->Append(wxWINDOWPREV, _("&Previous"));
110 }
111 #endif // wxUSE_MENUS
112
113 wxFrame::Create(parent, id, title, pos, size, style, name);
114 OnCreateClient();
115 return true;
116 }
117
118
119 void wxAuiMDIParentFrame::SetArtProvider(wxAuiTabArt* provider)
120 {
121 if (m_pClientWindow)
122 {
123 m_pClientWindow->SetArtProvider(provider);
124 }
125 }
126
127 wxAuiTabArt* wxAuiMDIParentFrame::GetArtProvider()
128 {
129 if (!m_pClientWindow)
130 return NULL;
131
132 return m_pClientWindow->GetArtProvider();
133 }
134
135 wxAuiNotebook* wxAuiMDIParentFrame::GetNotebook() const
136 {
137 return static_cast<wxAuiNotebook*>(m_pClientWindow);
138 }
139
140
141
142 #if wxUSE_MENUS
143 void wxAuiMDIParentFrame::SetWindowMenu(wxMenu* pMenu)
144 {
145 // Replace the window menu from the currently loaded menu bar.
146 wxMenuBar *pMenuBar = GetMenuBar();
147
148 if (m_pWindowMenu)
149 {
150 RemoveWindowMenu(pMenuBar);
151 wxDELETE(m_pWindowMenu);
152 }
153
154 if (pMenu)
155 {
156 m_pWindowMenu = pMenu;
157 AddWindowMenu(pMenuBar);
158 }
159 }
160
161 void wxAuiMDIParentFrame::SetMenuBar(wxMenuBar* pMenuBar)
162 {
163 // Remove the Window menu from the old menu bar
164 RemoveWindowMenu(GetMenuBar());
165
166 // Add the Window menu to the new menu bar.
167 AddWindowMenu(pMenuBar);
168
169 wxFrame::SetMenuBar(pMenuBar);
170 //m_pMyMenuBar = GetMenuBar();
171 }
172 #endif // wxUSE_MENUS
173
174 void wxAuiMDIParentFrame::SetChildMenuBar(wxAuiMDIChildFrame* pChild)
175 {
176 #if wxUSE_MENUS
177 if (!pChild)
178 {
179 // No Child, set Our menu bar back.
180 SetMenuBar(m_pMyMenuBar);
181
182 // Make sure we know our menu bar is in use
183 m_pMyMenuBar = NULL;
184 }
185 else
186 {
187 if (pChild->GetMenuBar() == NULL)
188 return;
189
190 // Do we need to save the current bar?
191 if (m_pMyMenuBar == NULL)
192 m_pMyMenuBar = GetMenuBar();
193
194 SetMenuBar(pChild->GetMenuBar());
195 }
196 #endif // wxUSE_MENUS
197 }
198
199 bool wxAuiMDIParentFrame::ProcessEvent(wxEvent& event)
200 {
201 // stops the same event being processed repeatedly
202 if (m_pLastEvt == &event)
203 return false;
204 m_pLastEvt = &event;
205
206 // let the active child (if any) process the event first.
207 bool res = false;
208 if (m_pActiveChild &&
209 event.IsCommandEvent() &&
210 event.GetEventObject() != m_pClientWindow &&
211 !(event.GetEventType() == wxEVT_ACTIVATE ||
212 event.GetEventType() == wxEVT_SET_FOCUS ||
213 event.GetEventType() == wxEVT_KILL_FOCUS ||
214 event.GetEventType() == wxEVT_CHILD_FOCUS ||
215 event.GetEventType() == wxEVT_COMMAND_SET_FOCUS ||
216 event.GetEventType() == wxEVT_COMMAND_KILL_FOCUS )
217 )
218 {
219 res = m_pActiveChild->GetEventHandler()->ProcessEvent(event);
220 }
221
222 if (!res)
223 {
224 // if the event was not handled this frame will handle it,
225 // which is why we need the protection code at the beginning
226 // of this method
227 res = wxEvtHandler::ProcessEvent(event);
228 }
229
230 m_pLastEvt = NULL;
231
232 return res;
233 }
234
235 wxAuiMDIChildFrame *wxAuiMDIParentFrame::GetActiveChild() const
236 {
237 return m_pActiveChild;
238 }
239
240 void wxAuiMDIParentFrame::SetActiveChild(wxAuiMDIChildFrame* pChildFrame)
241 {
242 m_pActiveChild = pChildFrame;
243 }
244
245 wxAuiMDIClientWindow *wxAuiMDIParentFrame::GetClientWindow() const
246 {
247 return m_pClientWindow;
248 }
249
250 wxAuiMDIClientWindow *wxAuiMDIParentFrame::OnCreateClient()
251 {
252 m_pClientWindow = new wxAuiMDIClientWindow( this );
253 return m_pClientWindow;
254 }
255
256 void wxAuiMDIParentFrame::ActivateNext()
257 {
258 if (m_pClientWindow && m_pClientWindow->GetSelection() != wxNOT_FOUND)
259 {
260 size_t active = m_pClientWindow->GetSelection() + 1;
261 if (active >= m_pClientWindow->GetPageCount())
262 active = 0;
263
264 m_pClientWindow->SetSelection(active);
265 }
266 }
267
268 void wxAuiMDIParentFrame::ActivatePrevious()
269 {
270 if (m_pClientWindow && m_pClientWindow->GetSelection() != wxNOT_FOUND)
271 {
272 int active = m_pClientWindow->GetSelection() - 1;
273 if (active < 0)
274 active = m_pClientWindow->GetPageCount() - 1;
275
276 m_pClientWindow->SetSelection(active);
277 }
278 }
279
280 void wxAuiMDIParentFrame::Init()
281 {
282 m_pLastEvt = NULL;
283 m_pClientWindow = NULL;
284 m_pActiveChild = NULL;
285 #if wxUSE_MENUS
286 m_pWindowMenu = NULL;
287 m_pMyMenuBar = NULL;
288 #endif // wxUSE_MENUS
289 }
290
291 #if wxUSE_MENUS
292 void wxAuiMDIParentFrame::RemoveWindowMenu(wxMenuBar* pMenuBar)
293 {
294 if (pMenuBar && m_pWindowMenu)
295 {
296 // Remove old window menu
297 int pos = pMenuBar->FindMenu(_("&Window"));
298 if (pos != wxNOT_FOUND)
299 {
300 // DBG:: We're going to delete the wrong menu!!!
301 wxASSERT(m_pWindowMenu == pMenuBar->GetMenu(pos));
302 pMenuBar->Remove(pos);
303 }
304 }
305 }
306
307 void wxAuiMDIParentFrame::AddWindowMenu(wxMenuBar *pMenuBar)
308 {
309 if (pMenuBar && m_pWindowMenu)
310 {
311 int pos = pMenuBar->FindMenu(wxGetStockLabel(wxID_HELP,wxSTOCK_NOFLAGS));
312 if (pos == wxNOT_FOUND)
313 pMenuBar->Append(m_pWindowMenu, _("&Window"));
314 else
315 pMenuBar->Insert(pos, m_pWindowMenu, _("&Window"));
316 }
317 }
318
319 void wxAuiMDIParentFrame::DoHandleMenu(wxCommandEvent& event)
320 {
321 switch (event.GetId())
322 {
323 case wxWINDOWCLOSE:
324 if (m_pActiveChild)
325 m_pActiveChild->Close();
326 break;
327 case wxWINDOWCLOSEALL:
328 while (m_pActiveChild)
329 {
330 if (!m_pActiveChild->Close())
331 {
332 return; // failure
333 }
334 else
335 {
336 delete m_pActiveChild;
337 m_pActiveChild = NULL;
338 }
339 }
340 break;
341 case wxWINDOWNEXT:
342 ActivateNext();
343 break;
344 case wxWINDOWPREV:
345 ActivatePrevious();
346 break;
347 default:
348 event.Skip();
349 }
350 }
351 #endif // wxUSE_MENUS
352
353 void wxAuiMDIParentFrame::DoGetClientSize(int* width, int* height) const
354 {
355 wxFrame::DoGetClientSize(width, height);
356 }
357
358 void wxAuiMDIParentFrame::Tile(wxOrientation orient)
359 {
360 wxAuiMDIClientWindow* client_window = GetClientWindow();
361 wxASSERT_MSG(client_window, wxT("Missing MDI Client Window"));
362
363 int cur_idx = client_window->GetSelection();
364 if (cur_idx == -1)
365 return;
366
367 if (orient == wxVERTICAL)
368 {
369 client_window->Split(cur_idx, wxLEFT);
370 }
371 else if (orient == wxHORIZONTAL)
372 {
373 client_window->Split(cur_idx, wxTOP);
374 }
375 }
376
377
378 //-----------------------------------------------------------------------------
379 // wxAuiMDIChildFrame
380 //-----------------------------------------------------------------------------
381
382 IMPLEMENT_DYNAMIC_CLASS(wxAuiMDIChildFrame, wxPanel)
383
384 BEGIN_EVENT_TABLE(wxAuiMDIChildFrame, wxPanel)
385 EVT_MENU_HIGHLIGHT_ALL(wxAuiMDIChildFrame::OnMenuHighlight)
386 EVT_ACTIVATE(wxAuiMDIChildFrame::OnActivate)
387 EVT_CLOSE(wxAuiMDIChildFrame::OnCloseWindow)
388 END_EVENT_TABLE()
389
390 wxAuiMDIChildFrame::wxAuiMDIChildFrame()
391 {
392 Init();
393 }
394
395 wxAuiMDIChildFrame::wxAuiMDIChildFrame(wxAuiMDIParentFrame *parent,
396 wxWindowID id,
397 const wxString& title,
398 const wxPoint& WXUNUSED(pos),
399 const wxSize& size,
400 long style,
401 const wxString& name)
402 {
403 Init();
404
405 // There are two ways to create an tabbed mdi child fram without
406 // making it the active document. Either Show(false) can be called
407 // before Create() (as is customary on some ports with wxFrame-type
408 // windows), or wxMINIMIZE can be passed in the style flags. Note that
409 // wxAuiMDIChildFrame is not really derived from wxFrame, as wxMDIChildFrame
410 // is, but those are the expected symantics. No style flag is passed
411 // onto the panel underneath.
412 if (style & wxMINIMIZE)
413 m_activate_on_create = false;
414
415 Create(parent, id, title, wxDefaultPosition, size, 0, name);
416 }
417
418 wxAuiMDIChildFrame::~wxAuiMDIChildFrame()
419 {
420 wxAuiMDIParentFrame* pParentFrame = GetMDIParentFrame();
421 if (pParentFrame && pParentFrame->GetActiveChild() == this)
422 {
423 pParentFrame->SetActiveChild(NULL);
424 pParentFrame->SetChildMenuBar(NULL);
425 }
426
427 #if wxUSE_MENUS
428 wxDELETE(m_pMenuBar);
429 #endif // wxUSE_MENUS
430 }
431
432 bool wxAuiMDIChildFrame::Create(wxAuiMDIParentFrame* parent,
433 wxWindowID id,
434 const wxString& title,
435 const wxPoint& WXUNUSED(pos),
436 const wxSize& size,
437 long style,
438 const wxString& name)
439 {
440 wxAuiMDIClientWindow* pClientWindow = parent->GetClientWindow();
441 wxASSERT_MSG((pClientWindow != (wxWindow*) NULL), wxT("Missing MDI client window."));
442
443 // see comment in constructor
444 if (style & wxMINIMIZE)
445 m_activate_on_create = false;
446
447 wxSize cli_size = pClientWindow->GetClientSize();
448
449 // create the window off-screen to prevent flicker
450 wxPanel::Create(pClientWindow,
451 id,
452 wxPoint(cli_size.x+1, cli_size.y+1),
453 size,
454 wxNO_BORDER, name);
455
456 DoShow(false);
457
458 SetMDIParentFrame(parent);
459
460 // this is the currently active child
461 parent->SetActiveChild(this);
462
463 m_title = title;
464
465 pClientWindow->AddPage(this, title, m_activate_on_create);
466 pClientWindow->Refresh();
467
468 return true;
469 }
470
471 bool wxAuiMDIChildFrame::Destroy()
472 {
473 wxAuiMDIParentFrame* pParentFrame = GetMDIParentFrame();
474 wxASSERT_MSG(pParentFrame, wxT("Missing MDI Parent Frame"));
475
476 wxAuiMDIClientWindow* pClientWindow = pParentFrame->GetClientWindow();
477 wxASSERT_MSG(pClientWindow, wxT("Missing MDI Client Window"));
478
479 if (pParentFrame->GetActiveChild() == this)
480 {
481 // deactivate ourself
482 wxActivateEvent event(wxEVT_ACTIVATE, false, GetId());
483 event.SetEventObject(this);
484 GetEventHandler()->ProcessEvent(event);
485
486 pParentFrame->SetActiveChild(NULL);
487 pParentFrame->SetChildMenuBar(NULL);
488 }
489
490 size_t page_count = pClientWindow->GetPageCount();
491 for (size_t pos = 0; pos < page_count; pos++)
492 {
493 if (pClientWindow->GetPage(pos) == this)
494 return pClientWindow->DeletePage(pos);
495 }
496
497 return false;
498 }
499
500 #if wxUSE_MENUS
501 void wxAuiMDIChildFrame::SetMenuBar(wxMenuBar *menu_bar)
502 {
503 wxMenuBar *pOldMenuBar = m_pMenuBar;
504 m_pMenuBar = menu_bar;
505
506 if (m_pMenuBar)
507 {
508 wxAuiMDIParentFrame* pParentFrame = GetMDIParentFrame();
509 wxASSERT_MSG(pParentFrame, wxT("Missing MDI Parent Frame"));
510
511 m_pMenuBar->SetParent(pParentFrame);
512 if (pParentFrame->GetActiveChild() == this)
513 {
514 // replace current menu bars
515 if (pOldMenuBar)
516 pParentFrame->SetChildMenuBar(NULL);
517 pParentFrame->SetChildMenuBar(this);
518 }
519 }
520 }
521
522 wxMenuBar *wxAuiMDIChildFrame::GetMenuBar() const
523 {
524 return m_pMenuBar;
525 }
526 #endif // wxUSE_MENUS
527
528 void wxAuiMDIChildFrame::SetTitle(const wxString& title)
529 {
530 m_title = title;
531
532 wxAuiMDIParentFrame* pParentFrame = GetMDIParentFrame();
533 wxASSERT_MSG(pParentFrame, wxT("Missing MDI Parent Frame"));
534
535 wxAuiMDIClientWindow* pClientWindow = pParentFrame->GetClientWindow();
536 if (pClientWindow != NULL)
537 {
538 size_t pos;
539 for (pos = 0; pos < pClientWindow->GetPageCount(); pos++)
540 {
541 if (pClientWindow->GetPage(pos) == this)
542 {
543 pClientWindow->SetPageText(pos, m_title);
544 break;
545 }
546 }
547 }
548 }
549
550 wxString wxAuiMDIChildFrame::GetTitle() const
551 {
552 return m_title;
553 }
554
555 void wxAuiMDIChildFrame::SetIcons(const wxIconBundle& icons)
556 {
557 // get icon with the system icon size
558 SetIcon(icons.GetIcon(-1));
559 m_icon_bundle = icons;
560 }
561
562 const wxIconBundle& wxAuiMDIChildFrame::GetIcons() const
563 {
564 return m_icon_bundle;
565 }
566
567 void wxAuiMDIChildFrame::SetIcon(const wxIcon& icon)
568 {
569 wxAuiMDIParentFrame* pParentFrame = GetMDIParentFrame();
570 wxASSERT_MSG(pParentFrame, wxT("Missing MDI Parent Frame"));
571
572 m_icon = icon;
573
574 wxBitmap bmp;
575 bmp.CopyFromIcon(m_icon);
576
577 wxAuiMDIClientWindow* pClientWindow = pParentFrame->GetClientWindow();
578 if (pClientWindow != NULL)
579 {
580 int idx = pClientWindow->GetPageIndex(this);
581
582 if (idx != -1)
583 {
584 pClientWindow->SetPageBitmap((size_t)idx, bmp);
585 }
586 }
587 }
588
589 const wxIcon& wxAuiMDIChildFrame::GetIcon() const
590 {
591 return m_icon;
592 }
593
594
595 void wxAuiMDIChildFrame::Activate()
596 {
597 wxAuiMDIParentFrame* pParentFrame = GetMDIParentFrame();
598 wxASSERT_MSG(pParentFrame, wxT("Missing MDI Parent Frame"));
599
600 wxAuiMDIClientWindow* pClientWindow = pParentFrame->GetClientWindow();
601
602 if (pClientWindow != NULL)
603 {
604 size_t pos;
605 for (pos = 0; pos < pClientWindow->GetPageCount(); pos++)
606 {
607 if (pClientWindow->GetPage(pos) == this)
608 {
609 pClientWindow->SetSelection(pos);
610 break;
611 }
612 }
613 }
614 }
615
616 void wxAuiMDIChildFrame::OnMenuHighlight(wxMenuEvent& event)
617 {
618 #if wxUSE_STATUSBAR
619 if (m_pMDIParentFrame)
620 {
621 // we don't have any help text for this item,
622 // but may be the MDI frame does?
623 m_pMDIParentFrame->OnMenuHighlight(event);
624 }
625 #else
626 wxUnusedVar(event);
627 #endif // wxUSE_STATUSBAR
628 }
629
630 void wxAuiMDIChildFrame::OnActivate(wxActivateEvent& WXUNUSED(event))
631 {
632 // do nothing
633 }
634
635 void wxAuiMDIChildFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
636 {
637 Destroy();
638 }
639
640 void wxAuiMDIChildFrame::SetMDIParentFrame(wxAuiMDIParentFrame* parentFrame)
641 {
642 m_pMDIParentFrame = parentFrame;
643 }
644
645 wxAuiMDIParentFrame* wxAuiMDIChildFrame::GetMDIParentFrame() const
646 {
647 return m_pMDIParentFrame;
648 }
649
650 void wxAuiMDIChildFrame::Init()
651 {
652 m_activate_on_create = true;
653 m_pMDIParentFrame = NULL;
654 #if wxUSE_MENUS
655 m_pMenuBar = NULL;
656 #endif // wxUSE_MENUS
657 }
658
659 bool wxAuiMDIChildFrame::Show(bool show)
660 {
661 m_activate_on_create = show;
662
663 // do nothing
664 return true;
665 }
666
667 void wxAuiMDIChildFrame::DoShow(bool show)
668 {
669 wxWindow::Show(show);
670 }
671
672 void wxAuiMDIChildFrame::DoSetSize(int x, int y, int width, int height, int sizeFlags)
673 {
674 m_mdi_newrect = wxRect(x, y, width, height);
675 #ifdef __WXGTK__
676 wxPanel::DoSetSize(x,y,width, height, sizeFlags);
677 #else
678 wxUnusedVar(sizeFlags);
679 #endif
680 }
681
682 void wxAuiMDIChildFrame::DoMoveWindow(int x, int y, int width, int height)
683 {
684 m_mdi_newrect = wxRect(x, y, width, height);
685 }
686
687 void wxAuiMDIChildFrame::ApplyMDIChildFrameRect()
688 {
689 if (m_mdi_currect != m_mdi_newrect)
690 {
691 wxPanel::DoMoveWindow(m_mdi_newrect.x, m_mdi_newrect.y,
692 m_mdi_newrect.width, m_mdi_newrect.height);
693 m_mdi_currect = m_mdi_newrect;
694 }
695 }
696
697
698 //-----------------------------------------------------------------------------
699 // wxAuiMDIClientWindow
700 //-----------------------------------------------------------------------------
701
702 IMPLEMENT_DYNAMIC_CLASS(wxAuiMDIClientWindow, wxAuiNotebook)
703
704 BEGIN_EVENT_TABLE(wxAuiMDIClientWindow, wxAuiNotebook)
705 EVT_AUINOTEBOOK_PAGE_CHANGED(wxID_ANY, wxAuiMDIClientWindow::OnPageChanged)
706 EVT_AUINOTEBOOK_PAGE_CLOSE(wxID_ANY, wxAuiMDIClientWindow::OnPageClose)
707 EVT_SIZE(wxAuiMDIClientWindow::OnSize)
708 END_EVENT_TABLE()
709
710 wxAuiMDIClientWindow::wxAuiMDIClientWindow()
711 {
712 }
713
714 wxAuiMDIClientWindow::wxAuiMDIClientWindow(wxAuiMDIParentFrame* parent, long style)
715 {
716 CreateClient(parent, style);
717 }
718
719 wxAuiMDIClientWindow::~wxAuiMDIClientWindow()
720 {
721 DestroyChildren();
722 }
723
724 bool wxAuiMDIClientWindow::CreateClient(wxAuiMDIParentFrame* parent, long style)
725 {
726 SetWindowStyleFlag(style);
727
728 wxSize caption_icon_size =
729 wxSize(wxSystemSettings::GetMetric(wxSYS_SMALLICON_X),
730 wxSystemSettings::GetMetric(wxSYS_SMALLICON_Y));
731 SetUniformBitmapSize(caption_icon_size);
732
733 if (!wxAuiNotebook::Create(parent,
734 wxID_ANY,
735 wxPoint(0,0),
736 wxSize(100, 100),
737 wxAUI_NB_DEFAULT_STYLE | wxNO_BORDER))
738 {
739 return false;
740 }
741
742 wxColour bkcolour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
743 SetOwnBackgroundColour(bkcolour);
744
745 m_mgr.GetArtProvider()->SetColour(wxAUI_DOCKART_BACKGROUND_COLOUR, bkcolour);
746
747 return true;
748 }
749
750 int wxAuiMDIClientWindow::SetSelection(size_t nPage)
751 {
752 return wxAuiNotebook::SetSelection(nPage);
753 }
754
755 void wxAuiMDIClientWindow::PageChanged(int old_selection, int new_selection)
756 {
757 // don't do anything if the page doesn't actually change
758 if (old_selection == new_selection)
759 return;
760
761 /*
762 // don't do anything if the new page is already active
763 if (new_selection != -1)
764 {
765 wxAuiMDIChildFrame* child = (wxAuiMDIChildFrame*)GetPage(new_selection);
766 if (child->GetMDIParentFrame()->GetActiveChild() == child)
767 return;
768 }*/
769
770
771 // notify old active child that it has been deactivated
772 if (old_selection != -1)
773 {
774 wxAuiMDIChildFrame* old_child = (wxAuiMDIChildFrame*)GetPage(old_selection);
775 wxASSERT_MSG(old_child, wxT("wxAuiMDIClientWindow::PageChanged - null page pointer"));
776
777 wxActivateEvent event(wxEVT_ACTIVATE, false, old_child->GetId());
778 event.SetEventObject(old_child);
779 old_child->GetEventHandler()->ProcessEvent(event);
780 }
781
782 // notify new active child that it has been activated
783 if (new_selection != -1)
784 {
785 wxAuiMDIChildFrame* active_child = (wxAuiMDIChildFrame*)GetPage(new_selection);
786 wxASSERT_MSG(active_child, wxT("wxAuiMDIClientWindow::PageChanged - null page pointer"));
787
788 wxActivateEvent event(wxEVT_ACTIVATE, true, active_child->GetId());
789 event.SetEventObject(active_child);
790 active_child->GetEventHandler()->ProcessEvent(event);
791
792 if (active_child->GetMDIParentFrame())
793 {
794 active_child->GetMDIParentFrame()->SetActiveChild(active_child);
795 active_child->GetMDIParentFrame()->SetChildMenuBar(active_child);
796 }
797 }
798
799
800 }
801
802 void wxAuiMDIClientWindow::OnPageClose(wxAuiNotebookEvent& evt)
803 {
804 wxAuiMDIChildFrame* wnd;
805 wnd = static_cast<wxAuiMDIChildFrame*>(GetPage(evt.GetSelection()));
806
807 wnd->Close();
808
809 // regardless of the result of wnd->Close(), we've
810 // already taken care of the close operations, so
811 // suppress further processing
812 evt.Veto();
813 }
814
815 void wxAuiMDIClientWindow::OnPageChanged(wxAuiNotebookEvent& evt)
816 {
817 PageChanged(evt.GetOldSelection(), evt.GetSelection());
818 }
819
820 void wxAuiMDIClientWindow::OnSize(wxSizeEvent& evt)
821 {
822 wxAuiNotebook::OnSize(evt);
823
824 for (size_t pos = 0; pos < GetPageCount(); pos++)
825 ((wxAuiMDIChildFrame *)GetPage(pos))->ApplyMDIChildFrameRect();
826 }
827
828 #endif //wxUSE_AUI
829 #endif // wxUSE_MDI