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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 // wxTabMDIParentFrame
52 //-----------------------------------------------------------------------------
53
54 IMPLEMENT_DYNAMIC_CLASS(wxTabMDIParentFrame, wxFrame)
55
56 BEGIN_EVENT_TABLE(wxTabMDIParentFrame, wxFrame)
57 #if wxUSE_MENUS
58 EVT_MENU (wxID_ANY, wxTabMDIParentFrame::DoHandleMenu)
59 #endif
60 END_EVENT_TABLE()
61
62 wxTabMDIParentFrame::wxTabMDIParentFrame()
63 {
64 Init();
65 }
66
67 wxTabMDIParentFrame::wxTabMDIParentFrame(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 wxTabMDIParentFrame::~wxTabMDIParentFrame()
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 wxTabMDIParentFrame::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 wxTabMDIParentFrame::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 wxTabMDIParentFrame::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 wxTabMDIParentFrame::SetChildMenuBar(wxTabMDIChildFrame* 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 wxTabMDIParentFrame::ProcessEvent(wxEvent& event)
175 {
176 // Stops the same event being processed repeatedly
177 static wxEventType inEvent = wxEVT_NULL;
178 if (inEvent == event.GetEventType())
179 return false;
180
181 inEvent = event.GetEventType();
182
183 // Let the active child (if any) process the event first.
184 bool res = false;
185 if (m_pActiveChild &&
186 event.IsCommandEvent() &&
187 event.GetEventObject() != m_pClientWindow &&
188 !(event.GetEventType() == wxEVT_ACTIVATE ||
189 event.GetEventType() == wxEVT_SET_FOCUS ||
190 event.GetEventType() == wxEVT_KILL_FOCUS ||
191 event.GetEventType() == wxEVT_CHILD_FOCUS ||
192 event.GetEventType() == wxEVT_COMMAND_SET_FOCUS ||
193 event.GetEventType() == wxEVT_COMMAND_KILL_FOCUS )
194 )
195 {
196 res = m_pActiveChild->GetEventHandler()->ProcessEvent(event);
197 }
198
199 // If the event was not handled this frame will handle it!
200 if (!res)
201 {
202 //res = GetEventHandler()->ProcessEvent(event);
203 res = wxEvtHandler::ProcessEvent(event);
204 }
205
206 inEvent = wxEVT_NULL;
207
208 return res;
209 }
210
211 wxTabMDIChildFrame *wxTabMDIParentFrame::GetActiveChild() const
212 {
213 return m_pActiveChild;
214 }
215
216 void wxTabMDIParentFrame::SetActiveChild(wxTabMDIChildFrame* pChildFrame)
217 {
218 m_pActiveChild = pChildFrame;
219 }
220
221 wxTabMDIClientWindow *wxTabMDIParentFrame::GetClientWindow() const
222 {
223 return m_pClientWindow;
224 }
225
226 wxTabMDIClientWindow *wxTabMDIParentFrame::OnCreateClient()
227 {
228 m_pClientWindow = new wxTabMDIClientWindow( this );
229 return m_pClientWindow;
230 }
231
232 void wxTabMDIParentFrame::ActivateNext()
233 {
234 if (m_pClientWindow && m_pClientWindow->GetSelection() != wxNOT_FOUND)
235 {
236 size_t active = m_pClientWindow->GetSelection() + 1;
237 if (active >= m_pClientWindow->GetPageCount())
238 active = 0;
239
240 m_pClientWindow->SetSelection(active);
241 }
242 }
243
244 void wxTabMDIParentFrame::ActivatePrevious()
245 {
246 if (m_pClientWindow && m_pClientWindow->GetSelection() != wxNOT_FOUND)
247 {
248 int active = m_pClientWindow->GetSelection() - 1;
249 if (active < 0)
250 active = m_pClientWindow->GetPageCount() - 1;
251
252 m_pClientWindow->SetSelection(active);
253 }
254 }
255
256 void wxTabMDIParentFrame::Init()
257 {
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 wxTabMDIParentFrame::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 wxTabMDIParentFrame::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 wxTabMDIParentFrame::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 wxTabMDIParentFrame::DoGetClientSize(int* width, int* height) const
329 {
330 wxFrame::DoGetClientSize(width, height);
331 }
332
333 //-----------------------------------------------------------------------------
334 // wxTabMDIChildFrame
335 //-----------------------------------------------------------------------------
336
337 IMPLEMENT_DYNAMIC_CLASS(wxTabMDIChildFrame, wxPanel)
338
339 BEGIN_EVENT_TABLE(wxTabMDIChildFrame, wxPanel)
340 EVT_MENU_HIGHLIGHT_ALL(wxTabMDIChildFrame::OnMenuHighlight)
341 EVT_ACTIVATE(wxTabMDIChildFrame::OnActivate)
342 EVT_CLOSE(wxTabMDIChildFrame::OnCloseWindow)
343 END_EVENT_TABLE()
344
345 wxTabMDIChildFrame::wxTabMDIChildFrame()
346 {
347 Init();
348 }
349
350 wxTabMDIChildFrame::wxTabMDIChildFrame(wxTabMDIParentFrame *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 wxTabMDIChildFrame::~wxTabMDIChildFrame()
363 {
364 #if wxUSE_MENUS
365 wxDELETE(m_pMenuBar);
366 #endif // wxUSE_MENUS
367 }
368
369 bool wxTabMDIChildFrame::Create(wxTabMDIParentFrame* 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 wxTabMDIClientWindow* 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 wxTabMDIChildFrame::Destroy()
396 {
397 wxTabMDIParentFrame* pParentFrame = GetMDIParentFrame();
398 wxASSERT_MSG(pParentFrame, wxT("Missing MDI Parent Frame"));
399
400 wxTabMDIClientWindow* 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 wxTabMDIChildFrame::SetMenuBar(wxMenuBar *menu_bar)
421 {
422 wxMenuBar *pOldMenuBar = m_pMenuBar;
423 m_pMenuBar = menu_bar;
424
425 if (m_pMenuBar)
426 {
427 wxTabMDIParentFrame* 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 *wxTabMDIChildFrame::GetMenuBar() const
442 {
443 return m_pMenuBar;
444 }
445 #endif // wxUSE_MENUS
446
447 void wxTabMDIChildFrame::SetTitle(const wxString& title)
448 {
449 m_title = title;
450
451 wxTabMDIParentFrame* pParentFrame = GetMDIParentFrame();
452 wxASSERT_MSG(pParentFrame, wxT("Missing MDI Parent Frame"));
453
454 wxTabMDIClientWindow* 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 wxTabMDIChildFrame::GetTitle() const
470 {
471 return m_title;
472 }
473
474 void wxTabMDIChildFrame::Activate()
475 {
476 wxTabMDIParentFrame* pParentFrame = GetMDIParentFrame();
477 wxASSERT_MSG(pParentFrame, wxT("Missing MDI Parent Frame"));
478
479 wxTabMDIClientWindow* 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 wxTabMDIChildFrame::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 wxTabMDIChildFrame::OnActivate(wxActivateEvent& WXUNUSED(event))
510 {
511 // do nothing
512 }
513
514 void wxTabMDIChildFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
515 {
516 Destroy();
517 }
518
519 void wxTabMDIChildFrame::SetMDIParentFrame(wxTabMDIParentFrame* parentFrame)
520 {
521 m_pMDIParentFrame = parentFrame;
522 }
523
524 wxTabMDIParentFrame* wxTabMDIChildFrame::GetMDIParentFrame() const
525 {
526 return m_pMDIParentFrame;
527 }
528
529 void wxTabMDIChildFrame::Init()
530 {
531 m_pMDIParentFrame = NULL;
532 #if wxUSE_MENUS
533 m_pMenuBar = NULL;
534 #endif // wxUSE_MENUS
535 }
536
537 bool wxTabMDIChildFrame::Show(bool WXUNUSED(show))
538 {
539 // do nothing
540 return true;
541 }
542
543 void wxTabMDIChildFrame::DoShow(bool show)
544 {
545 wxWindow::Show(show);
546 }
547
548 void wxTabMDIChildFrame::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 wxTabMDIChildFrame::DoMoveWindow(int x, int y, int width, int height)
559 {
560 m_mdi_newrect = wxRect(x, y, width, height);
561 }
562
563 void wxTabMDIChildFrame::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 // wxTabMDIClientWindow
576 //-----------------------------------------------------------------------------
577
578 IMPLEMENT_DYNAMIC_CLASS(wxTabMDIClientWindow, wxAuiMultiNotebook)
579
580 BEGIN_EVENT_TABLE(wxTabMDIClientWindow, wxAuiMultiNotebook)
581 EVT_AUINOTEBOOK_PAGE_CHANGED(wxID_ANY, wxTabMDIClientWindow::OnPageChanged)
582 EVT_SIZE(wxTabMDIClientWindow::OnSize)
583 END_EVENT_TABLE()
584
585 wxTabMDIClientWindow::wxTabMDIClientWindow()
586 {
587 }
588
589 wxTabMDIClientWindow::wxTabMDIClientWindow(wxTabMDIParentFrame* parent, long style)
590 {
591 CreateClient(parent, style);
592 }
593
594 wxTabMDIClientWindow::~wxTabMDIClientWindow()
595 {
596 DestroyChildren();
597 }
598
599 bool wxTabMDIClientWindow::CreateClient(wxTabMDIParentFrame* parent, long style)
600 {
601 SetWindowStyleFlag(style);
602
603 if (!wxAuiMultiNotebook::Create(parent,
604 wxID_ANY,
605 wxPoint(0,0),
606 wxSize(100, 100),
607 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 wxTabMDIClientWindow::SetSelection(size_t nPage)
621 {
622 return wxAuiMultiNotebook::SetSelection(nPage);
623 }
624
625 void wxTabMDIClientWindow::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 wxTabMDIChildFrame* child = (wxTabMDIChildFrame*)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 wxTabMDIChildFrame* old_child = (wxTabMDIChildFrame*)GetPage(old_selection);
643 wxASSERT_MSG(old_child, wxT("wxTabMDIClientWindow::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 wxTabMDIChildFrame* active_child = (wxTabMDIChildFrame*)GetPage(new_selection);
654 wxASSERT_MSG(active_child, wxT("wxTabMDIClientWindow::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 wxTabMDIClientWindow::OnPageChanged(wxAuiNotebookEvent& evt)
669 {
670 PageChanged(evt.GetOldSelection(), evt.GetSelection());
671 evt.Skip();
672 }
673
674 void wxTabMDIClientWindow::OnSize(wxSizeEvent& evt)
675 {
676 wxAuiMultiNotebook::OnSize(evt);
677
678 for (size_t pos = 0; pos < GetPageCount(); pos++)
679 ((wxTabMDIChildFrame *)GetPage(pos))->ApplyMDIChildFrameRect();
680 }
681
682 #endif //wxUSE_AUI
683 #endif // wxUSE_MDI