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