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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 #if wxUSE_MENUS
118 void wxAuiMDIParentFrame::SetWindowMenu(wxMenu* pMenu)
119 {
120 // Replace the window menu from the currently loaded menu bar.
121 wxMenuBar *pMenuBar = GetMenuBar();
122
123 if (m_pWindowMenu)
124 {
125 RemoveWindowMenu(pMenuBar);
126 wxDELETE(m_pWindowMenu);
127 }
128
129 if (pMenu)
130 {
131 m_pWindowMenu = pMenu;
132 AddWindowMenu(pMenuBar);
133 }
134 }
135
136 void wxAuiMDIParentFrame::SetMenuBar(wxMenuBar* pMenuBar)
137 {
138 // Remove the Window menu from the old menu bar
139 RemoveWindowMenu(GetMenuBar());
140
141 // Add the Window menu to the new menu bar.
142 AddWindowMenu(pMenuBar);
143
144 wxFrame::SetMenuBar(pMenuBar);
145 m_pMyMenuBar = GetMenuBar();
146 }
147 #endif // wxUSE_MENUS
148
149 void wxAuiMDIParentFrame::SetChildMenuBar(wxAuiMDIChildFrame* pChild)
150 {
151 #if wxUSE_MENUS
152 if (!pChild)
153 {
154 // No Child, set Our menu bar back.
155 SetMenuBar(m_pMyMenuBar);
156
157 // Make sure we know our menu bar is in use
158 //m_pMyMenuBar = NULL;
159 }
160 else
161 {
162 if (pChild->GetMenuBar() == NULL)
163 return;
164
165 // Do we need to save the current bar?
166 if (m_pMyMenuBar == NULL)
167 m_pMyMenuBar = GetMenuBar();
168
169 SetMenuBar(pChild->GetMenuBar());
170 }
171 #endif // wxUSE_MENUS
172 }
173
174 bool wxAuiMDIParentFrame::ProcessEvent(wxEvent& event)
175 {
176 // stops the same event being processed repeatedly
177 if (m_pLastEvt == &event)
178 return false;
179 m_pLastEvt = &event;
180
181 // let the active child (if any) process the event first.
182 bool res = false;
183 if (m_pActiveChild &&
184 event.IsCommandEvent() &&
185 event.GetEventObject() != m_pClientWindow &&
186 !(event.GetEventType() == wxEVT_ACTIVATE ||
187 event.GetEventType() == wxEVT_SET_FOCUS ||
188 event.GetEventType() == wxEVT_KILL_FOCUS ||
189 event.GetEventType() == wxEVT_CHILD_FOCUS ||
190 event.GetEventType() == wxEVT_COMMAND_SET_FOCUS ||
191 event.GetEventType() == wxEVT_COMMAND_KILL_FOCUS )
192 )
193 {
194 res = m_pActiveChild->GetEventHandler()->ProcessEvent(event);
195 }
196
197 if (!res)
198 {
199 // if the event was not handled this frame will handle it,
200 // which is why we need the protection code at the beginning
201 // of this method
202 res = wxEvtHandler::ProcessEvent(event);
203 }
204
205 m_pLastEvt = NULL;
206
207 return res;
208 }
209
210 wxAuiMDIChildFrame *wxAuiMDIParentFrame::GetActiveChild() const
211 {
212 return m_pActiveChild;
213 }
214
215 void wxAuiMDIParentFrame::SetActiveChild(wxAuiMDIChildFrame* pChildFrame)
216 {
217 m_pActiveChild = pChildFrame;
218 }
219
220 wxAuiMDIClientWindow *wxAuiMDIParentFrame::GetClientWindow() const
221 {
222 return m_pClientWindow;
223 }
224
225 wxAuiMDIClientWindow *wxAuiMDIParentFrame::OnCreateClient()
226 {
227 m_pClientWindow = new wxAuiMDIClientWindow( this );
228 return m_pClientWindow;
229 }
230
231 void wxAuiMDIParentFrame::ActivateNext()
232 {
233 if (m_pClientWindow && m_pClientWindow->GetSelection() != wxNOT_FOUND)
234 {
235 size_t active = m_pClientWindow->GetSelection() + 1;
236 if (active >= m_pClientWindow->GetPageCount())
237 active = 0;
238
239 m_pClientWindow->SetSelection(active);
240 }
241 }
242
243 void wxAuiMDIParentFrame::ActivatePrevious()
244 {
245 if (m_pClientWindow && m_pClientWindow->GetSelection() != wxNOT_FOUND)
246 {
247 int active = m_pClientWindow->GetSelection() - 1;
248 if (active < 0)
249 active = m_pClientWindow->GetPageCount() - 1;
250
251 m_pClientWindow->SetSelection(active);
252 }
253 }
254
255 void wxAuiMDIParentFrame::Init()
256 {
257 m_pLastEvt = NULL;
258 m_pClientWindow = NULL;
259 m_pActiveChild = NULL;
260 #if wxUSE_MENUS
261 m_pWindowMenu = NULL;
262 m_pMyMenuBar = NULL;
263 #endif // wxUSE_MENUS
264 }
265
266 #if wxUSE_MENUS
267 void wxAuiMDIParentFrame::RemoveWindowMenu(wxMenuBar* pMenuBar)
268 {
269 if (pMenuBar && m_pWindowMenu)
270 {
271 // Remove old window menu
272 int pos = pMenuBar->FindMenu(_("&Window"));
273 if (pos != wxNOT_FOUND)
274 {
275 // DBG:: We're going to delete the wrong menu!!!
276 wxASSERT(m_pWindowMenu == pMenuBar->GetMenu(pos));
277 pMenuBar->Remove(pos);
278 }
279 }
280 }
281
282 void wxAuiMDIParentFrame::AddWindowMenu(wxMenuBar *pMenuBar)
283 {
284 if (pMenuBar && m_pWindowMenu)
285 {
286 int pos = pMenuBar->FindMenu(wxGetStockLabel(wxID_HELP,wxSTOCK_NOFLAGS));
287 if (pos == wxNOT_FOUND)
288 pMenuBar->Append(m_pWindowMenu, _("&Window"));
289 else
290 pMenuBar->Insert(pos, m_pWindowMenu, _("&Window"));
291 }
292 }
293
294 void wxAuiMDIParentFrame::DoHandleMenu(wxCommandEvent& event)
295 {
296 switch (event.GetId())
297 {
298 case wxWINDOWCLOSE:
299 if (m_pActiveChild)
300 m_pActiveChild->Close();
301 break;
302 case wxWINDOWCLOSEALL:
303 while (m_pActiveChild)
304 {
305 if (!m_pActiveChild->Close())
306 {
307 return; // failure
308 }
309 else
310 {
311 delete m_pActiveChild;
312 m_pActiveChild = NULL;
313 }
314 }
315 break;
316 case wxWINDOWNEXT:
317 ActivateNext();
318 break;
319 case wxWINDOWPREV:
320 ActivatePrevious();
321 break;
322 default:
323 event.Skip();
324 }
325 }
326 #endif // wxUSE_MENUS
327
328 void wxAuiMDIParentFrame::DoGetClientSize(int* width, int* height) const
329 {
330 wxFrame::DoGetClientSize(width, height);
331 }
332
333 //-----------------------------------------------------------------------------
334 // wxAuiMDIChildFrame
335 //-----------------------------------------------------------------------------
336
337 IMPLEMENT_DYNAMIC_CLASS(wxAuiMDIChildFrame, wxPanel)
338
339 BEGIN_EVENT_TABLE(wxAuiMDIChildFrame, wxPanel)
340 EVT_MENU_HIGHLIGHT_ALL(wxAuiMDIChildFrame::OnMenuHighlight)
341 EVT_ACTIVATE(wxAuiMDIChildFrame::OnActivate)
342 EVT_CLOSE(wxAuiMDIChildFrame::OnCloseWindow)
343 END_EVENT_TABLE()
344
345 wxAuiMDIChildFrame::wxAuiMDIChildFrame()
346 {
347 Init();
348 }
349
350 wxAuiMDIChildFrame::wxAuiMDIChildFrame(wxAuiMDIParentFrame *parent,
351 wxWindowID id,
352 const wxString& title,
353 const wxPoint& WXUNUSED(pos),
354 const wxSize& size,
355 long style,
356 const wxString& name)
357 {
358 Init();
359 Create(parent, id, title, wxDefaultPosition, size, style, name);
360 }
361
362 wxAuiMDIChildFrame::~wxAuiMDIChildFrame()
363 {
364 #if wxUSE_MENUS
365 wxDELETE(m_pMenuBar);
366 #endif // wxUSE_MENUS
367 }
368
369 bool wxAuiMDIChildFrame::Create(wxAuiMDIParentFrame* parent,
370 wxWindowID id,
371 const wxString& title,
372 const wxPoint& WXUNUSED(pos),
373 const wxSize& size,
374 long style,
375 const wxString& name)
376 {
377 wxAuiMDIClientWindow* pClientWindow = parent->GetClientWindow();
378 wxASSERT_MSG((pClientWindow != (wxWindow*) NULL), wxT("Missing MDI client window."));
379
380 wxPanel::Create(pClientWindow, id, wxDefaultPosition, size, style|wxNO_BORDER, name);
381
382 SetMDIParentFrame(parent);
383
384 // this is the currently active child
385 parent->SetActiveChild(this);
386
387 m_title = title;
388
389 pClientWindow->AddPage(this, title, true);
390 pClientWindow->Refresh();
391
392 return true;
393 }
394
395 bool wxAuiMDIChildFrame::Destroy()
396 {
397 wxAuiMDIParentFrame* pParentFrame = GetMDIParentFrame();
398 wxASSERT_MSG(pParentFrame, wxT("Missing MDI Parent Frame"));
399
400 wxAuiMDIClientWindow* pClientWindow = pParentFrame->GetClientWindow();
401 wxASSERT_MSG(pClientWindow, wxT("Missing MDI Client Window"));
402
403 if (pParentFrame->GetActiveChild() == this)
404 {
405 pParentFrame->SetActiveChild(NULL);
406 pParentFrame->SetChildMenuBar(NULL);
407 }
408
409 const size_t page_count = pClientWindow->GetPageCount();
410 for (size_t pos = 0; pos < page_count; pos++)
411 {
412 if (pClientWindow->GetPage(pos) == this)
413 return pClientWindow->DeletePage(pos);
414 }
415
416 return false;
417 }
418
419 #if wxUSE_MENUS
420 void wxAuiMDIChildFrame::SetMenuBar(wxMenuBar *menu_bar)
421 {
422 wxMenuBar *pOldMenuBar = m_pMenuBar;
423 m_pMenuBar = menu_bar;
424
425 if (m_pMenuBar)
426 {
427 wxAuiMDIParentFrame* pParentFrame = GetMDIParentFrame();
428 wxASSERT_MSG(pParentFrame, wxT("Missing MDI Parent Frame"));
429
430 m_pMenuBar->SetParent(pParentFrame);
431 if (pParentFrame->GetActiveChild() == this)
432 {
433 // replace current menu bars
434 if (pOldMenuBar)
435 pParentFrame->SetChildMenuBar(NULL);
436 pParentFrame->SetChildMenuBar(this);
437 }
438 }
439 }
440
441 wxMenuBar *wxAuiMDIChildFrame::GetMenuBar() const
442 {
443 return m_pMenuBar;
444 }
445 #endif // wxUSE_MENUS
446
447 void wxAuiMDIChildFrame::SetTitle(const wxString& title)
448 {
449 m_title = title;
450
451 wxAuiMDIParentFrame* pParentFrame = GetMDIParentFrame();
452 wxASSERT_MSG(pParentFrame, wxT("Missing MDI Parent Frame"));
453
454 wxAuiMDIClientWindow* pClientWindow = pParentFrame->GetClientWindow();
455 if (pClientWindow != NULL)
456 {
457 size_t pos;
458 for (pos = 0; pos < pClientWindow->GetPageCount(); pos++)
459 {
460 if (pClientWindow->GetPage(pos) == this)
461 {
462 pClientWindow->SetPageText(pos, m_title);
463 break;
464 }
465 }
466 }
467 }
468
469 wxString wxAuiMDIChildFrame::GetTitle() const
470 {
471 return m_title;
472 }
473
474 void wxAuiMDIChildFrame::Activate()
475 {
476 wxAuiMDIParentFrame* pParentFrame = GetMDIParentFrame();
477 wxASSERT_MSG(pParentFrame, wxT("Missing MDI Parent Frame"));
478
479 wxAuiMDIClientWindow* pClientWindow = pParentFrame->GetClientWindow();
480
481 if (pClientWindow != NULL)
482 {
483 size_t pos;
484 for (pos = 0; pos < pClientWindow->GetPageCount(); pos++)
485 {
486 if (pClientWindow->GetPage(pos) == this)
487 {
488 pClientWindow->SetSelection(pos);
489 break;
490 }
491 }
492 }
493 }
494
495 void wxAuiMDIChildFrame::OnMenuHighlight(wxMenuEvent& event)
496 {
497 #if wxUSE_STATUSBAR
498 if (m_pMDIParentFrame)
499 {
500 // we don't have any help text for this item,
501 // but may be the MDI frame does?
502 m_pMDIParentFrame->OnMenuHighlight(event);
503 }
504 #else
505 wxUnusedVar(event);
506 #endif // wxUSE_STATUSBAR
507 }
508
509 void wxAuiMDIChildFrame::OnActivate(wxActivateEvent& WXUNUSED(event))
510 {
511 // do nothing
512 }
513
514 void wxAuiMDIChildFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
515 {
516 Destroy();
517 }
518
519 void wxAuiMDIChildFrame::SetMDIParentFrame(wxAuiMDIParentFrame* parentFrame)
520 {
521 m_pMDIParentFrame = parentFrame;
522 }
523
524 wxAuiMDIParentFrame* wxAuiMDIChildFrame::GetMDIParentFrame() const
525 {
526 return m_pMDIParentFrame;
527 }
528
529 void wxAuiMDIChildFrame::Init()
530 {
531 m_pMDIParentFrame = NULL;
532 #if wxUSE_MENUS
533 m_pMenuBar = NULL;
534 #endif // wxUSE_MENUS
535 }
536
537 bool wxAuiMDIChildFrame::Show(bool WXUNUSED(show))
538 {
539 // do nothing
540 return true;
541 }
542
543 void wxAuiMDIChildFrame::DoShow(bool show)
544 {
545 wxWindow::Show(show);
546 }
547
548 void wxAuiMDIChildFrame::DoSetSize(int x, int y, int width, int height, int sizeFlags)
549 {
550 m_mdi_newrect = wxRect(x, y, width, height);
551 #ifdef __WXGTK__
552 wxPanel::DoSetSize(x,y,width, height, sizeFlags);
553 #else
554 wxUnusedVar(sizeFlags);
555 #endif
556 }
557
558 void wxAuiMDIChildFrame::DoMoveWindow(int x, int y, int width, int height)
559 {
560 m_mdi_newrect = wxRect(x, y, width, height);
561 }
562
563 void wxAuiMDIChildFrame::ApplyMDIChildFrameRect()
564 {
565 if (m_mdi_currect != m_mdi_newrect)
566 {
567 wxPanel::DoMoveWindow(m_mdi_newrect.x, m_mdi_newrect.y,
568 m_mdi_newrect.width, m_mdi_newrect.height);
569 m_mdi_currect = m_mdi_newrect;
570 }
571 }
572
573
574 //-----------------------------------------------------------------------------
575 // wxAuiMDIClientWindow
576 //-----------------------------------------------------------------------------
577
578 IMPLEMENT_DYNAMIC_CLASS(wxAuiMDIClientWindow, wxAuiNotebook)
579
580 BEGIN_EVENT_TABLE(wxAuiMDIClientWindow, wxAuiNotebook)
581 EVT_AUINOTEBOOK_PAGE_CHANGED(wxID_ANY, wxAuiMDIClientWindow::OnPageChanged)
582 EVT_SIZE(wxAuiMDIClientWindow::OnSize)
583 END_EVENT_TABLE()
584
585 wxAuiMDIClientWindow::wxAuiMDIClientWindow()
586 {
587 }
588
589 wxAuiMDIClientWindow::wxAuiMDIClientWindow(wxAuiMDIParentFrame* parent, long style)
590 {
591 CreateClient(parent, style);
592 }
593
594 wxAuiMDIClientWindow::~wxAuiMDIClientWindow()
595 {
596 DestroyChildren();
597 }
598
599 bool wxAuiMDIClientWindow::CreateClient(wxAuiMDIParentFrame* parent, long style)
600 {
601 SetWindowStyleFlag(style);
602
603 if (!wxAuiNotebook::Create(parent,
604 wxID_ANY,
605 wxPoint(0,0),
606 wxSize(100, 100),
607 wxAUI_NB_DEFAULT_STYLE | wxNO_BORDER))
608 {
609 return false;
610 }
611
612 wxColour bkcolour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
613 SetBackgroundColour(bkcolour);
614
615 m_mgr.GetArtProvider()->SetColour(wxAUI_ART_BACKGROUND_COLOUR, bkcolour);
616
617 return true;
618 }
619
620 int wxAuiMDIClientWindow::SetSelection(size_t nPage)
621 {
622 return wxAuiNotebook::SetSelection(nPage);
623 }
624
625 void wxAuiMDIClientWindow::PageChanged(int old_selection, int new_selection)
626 {
627 // don't do anything if the page doesn't actually change
628 if (old_selection == new_selection)
629 return;
630
631 // don't do anything if the new page is already active
632 if (new_selection != -1)
633 {
634 wxAuiMDIChildFrame* child = (wxAuiMDIChildFrame*)GetPage(new_selection);
635 if (child->GetMDIParentFrame()->GetActiveChild() == child)
636 return;
637 }
638
639 // notify old active child that it has been deactivated
640 if (old_selection != -1)
641 {
642 wxAuiMDIChildFrame* old_child = (wxAuiMDIChildFrame*)GetPage(old_selection);
643 wxASSERT_MSG(old_child, wxT("wxAuiMDIClientWindow::PageChanged - null page pointer"));
644
645 wxActivateEvent event(wxEVT_ACTIVATE, false, old_child->GetId());
646 event.SetEventObject(old_child);
647 old_child->GetEventHandler()->ProcessEvent(event);
648 }
649
650 // notify new active child that it has been activated
651 if (new_selection != -1)
652 {
653 wxAuiMDIChildFrame* active_child = (wxAuiMDIChildFrame*)GetPage(new_selection);
654 wxASSERT_MSG(active_child, wxT("wxAuiMDIClientWindow::PageChanged - null page pointer"));
655
656 wxActivateEvent event(wxEVT_ACTIVATE, true, active_child->GetId());
657 event.SetEventObject(active_child);
658 active_child->GetEventHandler()->ProcessEvent(event);
659
660 if (active_child->GetMDIParentFrame())
661 {
662 active_child->GetMDIParentFrame()->SetActiveChild(active_child);
663 active_child->GetMDIParentFrame()->SetChildMenuBar(active_child);
664 }
665 }
666 }
667
668 void wxAuiMDIClientWindow::OnPageChanged(wxAuiNotebookEvent& evt)
669 {
670 PageChanged(evt.GetOldSelection(), evt.GetSelection());
671 evt.Skip();
672 }
673
674 void wxAuiMDIClientWindow::OnSize(wxSizeEvent& evt)
675 {
676 wxAuiNotebook::OnSize(evt);
677
678 for (size_t pos = 0; pos < GetPageCount(); pos++)
679 ((wxAuiMDIChildFrame *)GetPage(pos))->ApplyMDIChildFrameRect();
680 }
681
682 #endif //wxUSE_AUI
683 #endif // wxUSE_MDI