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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/msw/mdi.cpp
3// Purpose: MDI classes for wxMSW
4// Author: Julian Smart
5// Modified by:
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_MDI && !defined(__WXUNIVERSAL__)
28
29#include "wx/mdi.h"
30
31#ifndef WX_PRECOMP
32 #include "wx/frame.h"
33 #include "wx/menu.h"
34 #include "wx/app.h"
35 #include "wx/utils.h"
36 #include "wx/dialog.h"
37 #include "wx/statusbr.h"
38 #include "wx/settings.h"
39 #include "wx/intl.h"
40 #include "wx/log.h"
41 #include "wx/toolbar.h"
42#endif
43
44#include "wx/stockitem.h"
45#include "wx/msw/private.h"
46
47#if wxUSE_STATUSBAR && wxUSE_NATIVE_STATUSBAR
48 #include "wx/msw/statbr95.h"
49#endif
50
51#include <string.h>
52
53// ---------------------------------------------------------------------------
54// global variables
55// ---------------------------------------------------------------------------
56
57extern wxMenu *wxCurrentPopupMenu;
58
59extern const wxChar *wxMDIFrameClassName; // from app.cpp
60extern const wxChar *wxMDIChildFrameClassName;
61extern const wxChar *wxMDIChildFrameClassNameNoRedraw;
62extern void wxRemoveHandleAssociation(wxWindow *win);
63
64// ---------------------------------------------------------------------------
65// constants
66// ---------------------------------------------------------------------------
67
68static const int IDM_WINDOWTILEHOR = 4001;
69static const int IDM_WINDOWCASCADE = 4002;
70static const int IDM_WINDOWICONS = 4003;
71static const int IDM_WINDOWNEXT = 4004;
72static const int IDM_WINDOWTILEVERT = 4005;
73static const int IDM_WINDOWPREV = 4006;
74
75// This range gives a maximum of 500 MDI children. Should be enough :-)
76static const int wxFIRST_MDI_CHILD = 4100;
77static const int wxLAST_MDI_CHILD = 4600;
78
79// ---------------------------------------------------------------------------
80// private functions
81// ---------------------------------------------------------------------------
82
83// set the MDI menus (by sending the WM_MDISETMENU message) and update the menu
84// of the parent of win (which is supposed to be the MDI client window)
85static void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow);
86
87// insert the window menu (subMenu) into menu just before "Help" submenu or at
88// the very end if not found
89static void InsertWindowMenu(wxWindow *win, WXHMENU menu, HMENU subMenu);
90
91// Remove the window menu
92static void RemoveWindowMenu(wxWindow *win, WXHMENU menu);
93
94// is this an id of an MDI child?
95inline bool IsMdiCommandId(int id)
96{
97 return (id >= wxFIRST_MDI_CHILD) && (id <= wxLAST_MDI_CHILD);
98}
99
100// unpack the parameters of WM_MDIACTIVATE message
101static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam,
102 WXWORD *activate, WXHWND *hwndAct, WXHWND *hwndDeact);
103
104// return the HMENU of the MDI menu
105static inline HMENU GetMDIWindowMenu(wxMDIParentFrame *frame)
106{
107 wxMenu *menu = frame->GetWindowMenu();
108 return menu ? GetHmenuOf(menu) : 0;
109}
110
111// ===========================================================================
112// implementation
113// ===========================================================================
114
115// ---------------------------------------------------------------------------
116// wxWin macros
117// ---------------------------------------------------------------------------
118
119IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame, wxFrame)
120IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame, wxFrame)
121IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxWindow)
122
123BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
124 EVT_SIZE(wxMDIParentFrame::OnSize)
125 EVT_ICONIZE(wxMDIParentFrame::OnIconized)
126 EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged)
127END_EVENT_TABLE()
128
129BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame)
130 EVT_IDLE(wxMDIChildFrame::OnIdle)
131END_EVENT_TABLE()
132
133BEGIN_EVENT_TABLE(wxMDIClientWindow, wxWindow)
134 EVT_SCROLL(wxMDIClientWindow::OnScroll)
135END_EVENT_TABLE()
136
137// ===========================================================================
138// wxMDIParentFrame: the frame which contains the client window which manages
139// the children
140// ===========================================================================
141
142wxMDIParentFrame::wxMDIParentFrame()
143{
144 m_clientWindow = NULL;
145 m_currentChild = NULL;
146 m_windowMenu = (wxMenu*) NULL;
147 m_parentFrameActive = true;
148}
149
150bool wxMDIParentFrame::Create(wxWindow *parent,
151 wxWindowID id,
152 const wxString& title,
153 const wxPoint& pos,
154 const wxSize& size,
155 long style,
156 const wxString& name)
157{
158 m_clientWindow = NULL;
159 m_currentChild = NULL;
160
161 // this style can be used to prevent a window from having the standard MDI
162 // "Window" menu
163 if ( style & wxFRAME_NO_WINDOW_MENU )
164 {
165 m_windowMenu = (wxMenu *)NULL;
166 }
167 else // normal case: we have the window menu, so construct it
168 {
169 m_windowMenu = new wxMenu;
170
171 m_windowMenu->Append(IDM_WINDOWCASCADE, _("&Cascade"));
172 m_windowMenu->Append(IDM_WINDOWTILEHOR, _("Tile &Horizontally"));
173 m_windowMenu->Append(IDM_WINDOWTILEVERT, _("Tile &Vertically"));
174 m_windowMenu->AppendSeparator();
175 m_windowMenu->Append(IDM_WINDOWICONS, _("&Arrange Icons"));
176 m_windowMenu->Append(IDM_WINDOWNEXT, _("&Next"));
177 m_windowMenu->Append(IDM_WINDOWPREV, _("&Previous"));
178 }
179
180 m_parentFrameActive = true;
181
182 if (!parent)
183 wxTopLevelWindows.Append(this);
184
185 SetName(name);
186 m_windowStyle = style;
187
188 if ( parent )
189 parent->AddChild(this);
190
191 if ( id != wxID_ANY )
192 m_windowId = id;
193 else
194 m_windowId = NewControlId();
195
196 WXDWORD exflags;
197 WXDWORD msflags = MSWGetCreateWindowFlags(&exflags);
198 msflags &= ~WS_VSCROLL;
199 msflags &= ~WS_HSCROLL;
200
201 if ( !wxWindow::MSWCreate(wxMDIFrameClassName,
202 title,
203 pos, size,
204 msflags,
205 exflags) )
206 {
207 return false;
208 }
209
210 SetOwnBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
211
212 // unlike (almost?) all other windows, frames are created hidden
213 m_isShown = false;
214
215 return true;
216}
217
218wxMDIParentFrame::~wxMDIParentFrame()
219{
220 // see comment in ~wxMDIChildFrame
221#if wxUSE_TOOLBAR
222 m_frameToolBar = NULL;
223#endif
224#if wxUSE_STATUSBAR
225 m_frameStatusBar = NULL;
226#endif // wxUSE_STATUSBAR
227
228 DestroyChildren();
229
230 if (m_windowMenu)
231 {
232 delete m_windowMenu;
233 m_windowMenu = (wxMenu*) NULL;
234 }
235
236 // the MDI frame menubar is not automatically deleted by Windows unlike for
237 // the normal frames
238 if ( m_hMenu )
239 {
240 ::DestroyMenu((HMENU)m_hMenu);
241 m_hMenu = (WXHMENU)NULL;
242 }
243
244 if ( m_clientWindow )
245 {
246 if ( m_clientWindow->MSWGetOldWndProc() )
247 m_clientWindow->UnsubclassWin();
248
249 m_clientWindow->SetHWND(0);
250 delete m_clientWindow;
251 }
252}
253
254#if wxUSE_MENUS_NATIVE
255
256void wxMDIParentFrame::InternalSetMenuBar()
257{
258 m_parentFrameActive = true;
259
260 InsertWindowMenu(GetClientWindow(), m_hMenu, GetMDIWindowMenu(this));
261}
262
263#endif // wxUSE_MENUS_NATIVE
264
265void wxMDIParentFrame::SetWindowMenu(wxMenu* menu)
266{
267 if (m_windowMenu)
268 {
269 if (GetMenuBar())
270 {
271 // Remove old window menu
272 RemoveWindowMenu(GetClientWindow(), m_hMenu);
273 }
274
275 delete m_windowMenu;
276 m_windowMenu = (wxMenu*) NULL;
277 }
278
279 if (menu)
280 {
281 m_windowMenu = menu;
282 if (GetMenuBar())
283 {
284 InsertWindowMenu(GetClientWindow(), m_hMenu,
285 GetHmenuOf(m_windowMenu));
286 }
287 }
288}
289
290void wxMDIParentFrame::DoMenuUpdates(wxMenu* menu)
291{
292 wxMDIChildFrame *child = GetActiveChild();
293 if ( child )
294 {
295 wxEvtHandler* source = child->GetEventHandler();
296 wxMenuBar* bar = child->GetMenuBar();
297
298 if (menu)
299 {
300 menu->UpdateUI(source);
301 }
302 else
303 {
304 if ( bar != NULL )
305 {
306 int nCount = bar->GetMenuCount();
307 for (int n = 0; n < nCount; n++)
308 bar->GetMenu(n)->UpdateUI(source);
309 }
310 }
311 }
312 else
313 {
314 wxFrameBase::DoMenuUpdates(menu);
315 }
316}
317
318void wxMDIParentFrame::UpdateClientSize()
319{
320 if ( GetClientWindow() )
321 {
322 int width, height;
323 GetClientSize(&width, &height);
324
325 GetClientWindow()->SetSize(0, 0, width, height);
326 }
327}
328
329void wxMDIParentFrame::OnSize(wxSizeEvent& WXUNUSED(event))
330{
331 UpdateClientSize();
332
333 // do not call event.Skip() here, it somehow messes up MDI client window
334}
335
336void wxMDIParentFrame::OnIconized(wxIconizeEvent& event)
337{
338 event.Skip();
339
340 if ( !event.Iconized() )
341 {
342 UpdateClientSize();
343 }
344}
345
346// Returns the active MDI child window
347wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
348{
349 HWND hWnd = (HWND)::SendMessage(GetWinHwnd(GetClientWindow()),
350 WM_MDIGETACTIVE, 0, 0L);
351 if ( hWnd == 0 )
352 return NULL;
353 else
354 return (wxMDIChildFrame *)wxFindWinFromHandle((WXHWND) hWnd);
355}
356
357// Create the client window class (don't Create the window, just return a new
358// class)
359wxMDIClientWindow *wxMDIParentFrame::OnCreateClient()
360{
361 return new wxMDIClientWindow;
362}
363
364// Responds to colour changes, and passes event on to children.
365void wxMDIParentFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
366{
367 if ( m_clientWindow )
368 {
369 m_clientWindow->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
370 m_clientWindow->Refresh();
371 }
372
373 event.Skip();
374}
375
376WXHICON wxMDIParentFrame::GetDefaultIcon() const
377{
378 // we don't have any standard icons (any more)
379 return (WXHICON)0;
380}
381
382// ---------------------------------------------------------------------------
383// MDI operations
384// ---------------------------------------------------------------------------
385
386void wxMDIParentFrame::Cascade()
387{
388 ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDICASCADE, 0, 0);
389}
390
391void wxMDIParentFrame::Tile(wxOrientation orient)
392{
393 wxASSERT_MSG( orient == wxHORIZONTAL || orient == wxVERTICAL,
394 _T("invalid orientation value") );
395
396 ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDITILE,
397 orient == wxHORIZONTAL ? MDITILE_HORIZONTAL
398 : MDITILE_VERTICAL, 0);
399}
400
401void wxMDIParentFrame::ArrangeIcons()
402{
403 ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDIICONARRANGE, 0, 0);
404}
405
406void wxMDIParentFrame::ActivateNext()
407{
408 ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDINEXT, 0, 0);
409}
410
411void wxMDIParentFrame::ActivatePrevious()
412{
413 ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDINEXT, 0, 1);
414}
415
416// ---------------------------------------------------------------------------
417// the MDI parent frame window proc
418// ---------------------------------------------------------------------------
419
420WXLRESULT wxMDIParentFrame::MSWWindowProc(WXUINT message,
421 WXWPARAM wParam,
422 WXLPARAM lParam)
423{
424 WXLRESULT rc = 0;
425 bool processed = false;
426
427 switch ( message )
428 {
429 case WM_ACTIVATE:
430 {
431 WXWORD state, minimized;
432 WXHWND hwnd;
433 UnpackActivate(wParam, lParam, &state, &minimized, &hwnd);
434
435 processed = HandleActivate(state, minimized != 0, hwnd);
436 }
437 break;
438
439 case WM_COMMAND:
440 {
441 WXWORD id, cmd;
442 WXHWND hwnd;
443 UnpackCommand(wParam, lParam, &id, &hwnd, &cmd);
444
445 (void)HandleCommand(id, cmd, hwnd);
446
447 // even if the frame didn't process it, there is no need to try it
448 // once again (i.e. call wxFrame::HandleCommand()) - we just did it,
449 // so pretend we processed the message anyhow
450 processed = true;
451 }
452
453 // always pass this message DefFrameProc(), otherwise MDI menu
454 // commands (and sys commands - more surprisingly!) won't work
455 MSWDefWindowProc(message, wParam, lParam);
456 break;
457
458 case WM_CREATE:
459 m_clientWindow = OnCreateClient();
460 // Uses own style for client style
461 if ( !m_clientWindow->CreateClient(this, GetWindowStyleFlag()) )
462 {
463 wxLogMessage(_("Failed to create MDI parent frame."));
464
465 rc = -1;
466 }
467
468 processed = true;
469 break;
470
471 case WM_ERASEBKGND:
472 processed = true;
473
474 // we erase background ourselves
475 rc = true;
476 break;
477
478 case WM_MENUSELECT:
479 {
480 WXWORD item, flags;
481 WXHMENU hmenu;
482 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
483
484 if ( m_parentFrameActive )
485 {
486 processed = HandleMenuSelect(item, flags, hmenu);
487 }
488 else if (m_currentChild)
489 {
490 processed = m_currentChild->
491 HandleMenuSelect(item, flags, hmenu);
492 }
493 }
494 break;
495
496 case WM_SIZE:
497 // though we don't (usually) resize the MDI client to exactly fit the
498 // client area we need to pass this one to DefFrameProc to allow the children to show
499 break;
500 }
501
502 if ( !processed )
503 rc = wxFrame::MSWWindowProc(message, wParam, lParam);
504
505 return rc;
506}
507
508bool wxMDIParentFrame::HandleActivate(int state, bool minimized, WXHWND activate)
509{
510 bool processed = false;
511
512 if ( wxWindow::HandleActivate(state, minimized, activate) )
513 {
514 // already processed
515 processed = true;
516 }
517
518 // If this window is an MDI parent, we must also send an OnActivate message
519 // to the current child.
520 if ( (m_currentChild != NULL) &&
521 ((state == WA_ACTIVE) || (state == WA_CLICKACTIVE)) )
522 {
523 wxActivateEvent event(wxEVT_ACTIVATE, true, m_currentChild->GetId());
524 event.SetEventObject( m_currentChild );
525 if ( m_currentChild->GetEventHandler()->ProcessEvent(event) )
526 processed = true;
527 }
528
529 return processed;
530}
531
532bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
533{
534 // In case it's e.g. a toolbar.
535 if ( hwnd )
536 {
537 wxWindow *win = wxFindWinFromHandle(hwnd);
538 if ( win )
539 return win->MSWCommand(cmd, id);
540 }
541
542 if (wxCurrentPopupMenu)
543 {
544 wxMenu *popupMenu = wxCurrentPopupMenu;
545 wxCurrentPopupMenu = NULL;
546 if (popupMenu->MSWCommand(cmd, id))
547 return true;
548 }
549
550 // is it one of standard MDI commands?
551 WXWPARAM wParam = 0;
552 WXLPARAM lParam = 0;
553 int msg;
554 switch ( id )
555 {
556 case IDM_WINDOWCASCADE:
557 msg = WM_MDICASCADE;
558 wParam = MDITILE_SKIPDISABLED;
559 break;
560
561 case IDM_WINDOWTILEHOR:
562 wParam |= MDITILE_HORIZONTAL;
563 // fall through
564
565 case IDM_WINDOWTILEVERT:
566 if ( !wParam )
567 wParam = MDITILE_VERTICAL;
568 msg = WM_MDITILE;
569 wParam |= MDITILE_SKIPDISABLED;
570 break;
571
572 case IDM_WINDOWICONS:
573 msg = WM_MDIICONARRANGE;
574 break;
575
576 case IDM_WINDOWNEXT:
577 msg = WM_MDINEXT;
578 lParam = 0; // next child
579 break;
580
581 case IDM_WINDOWPREV:
582 msg = WM_MDINEXT;
583 lParam = 1; // previous child
584 break;
585
586 default:
587 msg = 0;
588 }
589
590 if ( msg )
591 {
592 ::SendMessage(GetWinHwnd(GetClientWindow()), msg, wParam, lParam);
593
594 return true;
595 }
596
597 // FIXME VZ: what does this test do??
598 if (id >= 0xF000)
599 {
600 return false; // Get WndProc to call default proc
601 }
602
603 if ( IsMdiCommandId(id) )
604 {
605 wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
606 while ( node )
607 {
608 wxWindow *child = node->GetData();
609 if ( child->GetHWND() )
610 {
611 long childId = wxGetWindowId(child->GetHWND());
612 if (childId == (long)id)
613 {
614 ::SendMessage( GetWinHwnd(GetClientWindow()),
615 WM_MDIACTIVATE,
616 (WPARAM)child->GetHWND(), 0);
617 return true;
618 }
619 }
620 node = node->GetNext();
621 }
622 }
623 else if ( m_parentFrameActive )
624 {
625 return ProcessCommand(id);
626 }
627 else if ( m_currentChild )
628 {
629 return m_currentChild->HandleCommand(id, cmd, hwnd);
630 }
631 else
632 {
633 // this shouldn't happen because it means that our messages are being
634 // lost (they're not sent to the parent frame nor to the children)
635 wxFAIL_MSG(wxT("MDI parent frame is not active, yet there is no active MDI child?"));
636 }
637
638 return false;
639}
640
641WXLRESULT wxMDIParentFrame::MSWDefWindowProc(WXUINT message,
642 WXWPARAM wParam,
643 WXLPARAM lParam)
644{
645 WXHWND clientWnd;
646 if ( GetClientWindow() )
647 clientWnd = GetClientWindow()->GetHWND();
648 else
649 clientWnd = 0;
650
651 return DefFrameProc(GetHwnd(), (HWND)clientWnd, message, wParam, lParam);
652}
653
654bool wxMDIParentFrame::MSWTranslateMessage(WXMSG* msg)
655{
656 MSG *pMsg = (MSG *)msg;
657
658 // first let the current child get it
659 if ( m_currentChild && m_currentChild->GetHWND() &&
660 m_currentChild->MSWTranslateMessage(msg) )
661 {
662 return true;
663 }
664
665 // then try out accel table (will also check the menu accels)
666 if ( wxFrame::MSWTranslateMessage(msg) )
667 {
668 return true;
669 }
670
671 // finally, check for MDI specific built in accel keys
672 if ( pMsg->message == WM_KEYDOWN || pMsg->message == WM_SYSKEYDOWN )
673 {
674 if ( ::TranslateMDISysAccel(GetWinHwnd(GetClientWindow()), pMsg))
675 return true;
676 }
677
678 return false;
679}
680
681// ===========================================================================
682// wxMDIChildFrame
683// ===========================================================================
684
685void wxMDIChildFrame::Init()
686{
687 m_needsResize = true;
688 m_needsInitialShow = true;
689}
690
691bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
692 wxWindowID id,
693 const wxString& title,
694 const wxPoint& pos,
695 const wxSize& size,
696 long style,
697 const wxString& name)
698{
699 SetName(name);
700
701 if ( id != wxID_ANY )
702 m_windowId = id;
703 else
704 m_windowId = (int)NewControlId();
705
706 if ( parent )
707 {
708 parent->AddChild(this);
709 }
710
711 int x = pos.x;
712 int y = pos.y;
713 int width = size.x;
714 int height = size.y;
715
716 MDICREATESTRUCT mcs;
717
718 mcs.szClass = style & wxFULL_REPAINT_ON_RESIZE
719 ? wxMDIChildFrameClassName
720 : wxMDIChildFrameClassNameNoRedraw;
721 mcs.szTitle = title;
722 mcs.hOwner = wxGetInstance();
723 if (x != wxDefaultCoord)
724 mcs.x = x;
725 else
726 mcs.x = CW_USEDEFAULT;
727
728 if (y != wxDefaultCoord)
729 mcs.y = y;
730 else
731 mcs.y = CW_USEDEFAULT;
732
733 if (width != wxDefaultCoord)
734 mcs.cx = width;
735 else
736 mcs.cx = CW_USEDEFAULT;
737
738 if (height != wxDefaultCoord)
739 mcs.cy = height;
740 else
741 mcs.cy = CW_USEDEFAULT;
742
743 DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN;
744 if (style & wxMINIMIZE_BOX)
745 msflags |= WS_MINIMIZEBOX;
746 if (style & wxMAXIMIZE_BOX)
747 msflags |= WS_MAXIMIZEBOX;
748 if (style & wxRESIZE_BORDER)
749 msflags |= WS_THICKFRAME;
750 if (style & wxSYSTEM_MENU)
751 msflags |= WS_SYSMENU;
752 if ((style & wxMINIMIZE) || (style & wxICONIZE))
753 msflags |= WS_MINIMIZE;
754 if (style & wxMAXIMIZE)
755 msflags |= WS_MAXIMIZE;
756 if (style & wxCAPTION)
757 msflags |= WS_CAPTION;
758
759 mcs.style = msflags;
760
761 mcs.lParam = 0;
762
763 wxWindowCreationHook hook(this);
764
765 m_hWnd = (WXHWND)::SendMessage(GetWinHwnd(parent->GetClientWindow()),
766 WM_MDICREATE, 0, (LONG)(LPSTR)&mcs);
767
768 if ( !m_hWnd )
769 {
770 wxLogLastError(_T("WM_MDICREATE"));
771 return false;
772 }
773
774 SubclassWin(m_hWnd);
775
776 return true;
777}
778
779wxMDIChildFrame::~wxMDIChildFrame()
780{
781 // will be destroyed by DestroyChildren() but reset them before calling it
782 // to avoid using dangling pointers if a callback comes in the meanwhile
783#if wxUSE_TOOLBAR
784 m_frameToolBar = NULL;
785#endif
786#if wxUSE_STATUSBAR
787 m_frameStatusBar = NULL;
788#endif // wxUSE_STATUSBAR
789
790 DestroyChildren();
791
792 RemoveWindowMenu(NULL, m_hMenu);
793
794 MSWDestroyWindow();
795}
796
797bool wxMDIChildFrame::Show(bool show)
798{
799 m_needsInitialShow = false;
800
801 if (!wxFrame::Show(show))
802 return false;
803
804 // KH: Without this call, new MDI children do not become active.
805 // This was added here after the same BringWindowToTop call was
806 // removed from wxTopLevelWindow::Show (November 2005)
807 if ( show )
808 ::BringWindowToTop(GetHwnd());
809
810 // we need to refresh the MDI frame window menu to include (or exclude if
811 // we've been hidden) this frame
812 wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
813 MDISetMenu(parent->GetClientWindow(), NULL, NULL);
814
815 return true;
816}
817
818// Set the client size (i.e. leave the calculation of borders etc.
819// to wxWidgets)
820void wxMDIChildFrame::DoSetClientSize(int width, int height)
821{
822 HWND hWnd = GetHwnd();
823
824 RECT rect;
825 ::GetClientRect(hWnd, &rect);
826
827 RECT rect2;
828 GetWindowRect(hWnd, &rect2);
829
830 // Find the difference between the entire window (title bar and all)
831 // and the client area; add this to the new client size to move the
832 // window
833 int actual_width = rect2.right - rect2.left - rect.right + width;
834 int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
835
836#if wxUSE_STATUSBAR
837 if (GetStatusBar() && GetStatusBar()->IsShown())
838 {
839 int sx, sy;
840 GetStatusBar()->GetSize(&sx, &sy);
841 actual_height += sy;
842 }
843#endif // wxUSE_STATUSBAR
844
845 POINT point;
846 point.x = rect2.left;
847 point.y = rect2.top;
848
849 // If there's an MDI parent, must subtract the parent's top left corner
850 // since MoveWindow moves relative to the parent
851 wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent();
852 ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point);
853
854 MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)true);
855
856 wxSize size(width, height);
857 wxSizeEvent event(size, m_windowId);
858 event.SetEventObject( this );
859 GetEventHandler()->ProcessEvent(event);
860}
861
862// Unlike other wxTopLevelWindowBase, the mdi child's "GetPosition" is not the
863// same as its GetScreenPosition
864void wxMDIChildFrame::DoGetScreenPosition(int *x, int *y) const
865{
866 HWND hWnd = GetHwnd();
867
868 RECT rect;
869 ::GetWindowRect(hWnd, &rect);
870 if (x)
871 *x = rect.left;
872 if (y)
873 *y = rect.top;
874}
875
876
877void wxMDIChildFrame::DoGetPosition(int *x, int *y) const
878{
879 RECT rect;
880 GetWindowRect(GetHwnd(), &rect);
881 POINT point;
882 point.x = rect.left;
883 point.y = rect.top;
884
885 // Since we now have the absolute screen coords,
886 // if there's a parent we must subtract its top left corner
887 wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent();
888 ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point);
889
890 if (x)
891 *x = point.x;
892 if (y)
893 *y = point.y;
894}
895
896void wxMDIChildFrame::InternalSetMenuBar()
897{
898 wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
899
900 InsertWindowMenu(parent->GetClientWindow(),
901 m_hMenu, GetMDIWindowMenu(parent));
902
903 parent->m_parentFrameActive = false;
904}
905
906void wxMDIChildFrame::DetachMenuBar()
907{
908 RemoveWindowMenu(NULL, m_hMenu);
909 wxFrame::DetachMenuBar();
910}
911
912WXHICON wxMDIChildFrame::GetDefaultIcon() const
913{
914 // we don't have any standard icons (any more)
915 return (WXHICON)0;
916}
917
918// ---------------------------------------------------------------------------
919// MDI operations
920// ---------------------------------------------------------------------------
921
922void wxMDIChildFrame::Maximize(bool maximize)
923{
924 wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
925 if ( parent && parent->GetClientWindow() )
926 {
927 ::SendMessage(GetWinHwnd(parent->GetClientWindow()),
928 maximize ? WM_MDIMAXIMIZE : WM_MDIRESTORE,
929 (WPARAM)GetHwnd(), 0);
930 }
931}
932
933void wxMDIChildFrame::Restore()
934{
935 wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
936 if ( parent && parent->GetClientWindow() )
937 {
938 ::SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIRESTORE,
939 (WPARAM) GetHwnd(), 0);
940 }
941}
942
943void wxMDIChildFrame::Activate()
944{
945 wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
946 if ( parent && parent->GetClientWindow() )
947 {
948 ::SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIACTIVATE,
949 (WPARAM) GetHwnd(), 0);
950 }
951}
952
953// ---------------------------------------------------------------------------
954// MDI window proc and message handlers
955// ---------------------------------------------------------------------------
956
957WXLRESULT wxMDIChildFrame::MSWWindowProc(WXUINT message,
958 WXWPARAM wParam,
959 WXLPARAM lParam)
960{
961 WXLRESULT rc = 0;
962 bool processed = false;
963
964 switch ( message )
965 {
966 case WM_COMMAND:
967 {
968 WORD id, cmd;
969 WXHWND hwnd;
970 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
971 &id, &hwnd, &cmd);
972
973 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
974 }
975 break;
976
977 case WM_GETMINMAXINFO:
978 processed = HandleGetMinMaxInfo((MINMAXINFO *)lParam);
979 break;
980
981 case WM_MDIACTIVATE:
982 {
983 WXWORD act;
984 WXHWND hwndAct, hwndDeact;
985 UnpackMDIActivate(wParam, lParam, &act, &hwndAct, &hwndDeact);
986
987 processed = HandleMDIActivate(act, hwndAct, hwndDeact);
988 }
989 // fall through
990
991 case WM_MOVE:
992 // must pass WM_MOVE to DefMDIChildProc() to recalculate MDI client
993 // scrollbars if necessary
994
995 // fall through
996
997 case WM_SIZE:
998 // must pass WM_SIZE to DefMDIChildProc(), otherwise many weird
999 // things happen
1000 MSWDefWindowProc(message, wParam, lParam);
1001 break;
1002
1003 case WM_SYSCOMMAND:
1004 // DefMDIChildProc handles SC_{NEXT/PREV}WINDOW here, so pass it
1005 // the message (the base class version does not)
1006 return MSWDefWindowProc(message, wParam, lParam);
1007
1008 case WM_WINDOWPOSCHANGING:
1009 processed = HandleWindowPosChanging((LPWINDOWPOS)lParam);
1010 break;
1011 }
1012
1013 if ( !processed )
1014 rc = wxFrame::MSWWindowProc(message, wParam, lParam);
1015
1016 return rc;
1017}
1018
1019bool wxMDIChildFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
1020{
1021 // In case it's e.g. a toolbar.
1022 if ( hwnd )
1023 {
1024 wxWindow *win = wxFindWinFromHandle(hwnd);
1025 if (win)
1026 return win->MSWCommand(cmd, id);
1027 }
1028
1029 if (wxCurrentPopupMenu)
1030 {
1031 wxMenu *popupMenu = wxCurrentPopupMenu;
1032 wxCurrentPopupMenu = NULL;
1033 if (popupMenu->MSWCommand(cmd, id))
1034 return true;
1035 }
1036
1037 bool processed;
1038 if (GetMenuBar() && GetMenuBar()->FindItem(id))
1039 {
1040 processed = ProcessCommand(id);
1041 }
1042 else
1043 {
1044 processed = false;
1045 }
1046
1047 return processed;
1048}
1049
1050bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate),
1051 WXHWND hwndAct,
1052 WXHWND hwndDeact)
1053{
1054 wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
1055
1056 HMENU menuToSet = 0;
1057
1058 bool activated;
1059
1060 if ( m_hWnd == hwndAct )
1061 {
1062 activated = true;
1063 parent->m_currentChild = this;
1064
1065 HMENU child_menu = (HMENU)GetWinMenu();
1066 if ( child_menu )
1067 {
1068 parent->m_parentFrameActive = false;
1069
1070 menuToSet = child_menu;
1071 }
1072 }
1073 else if ( m_hWnd == hwndDeact )
1074 {
1075 wxASSERT_MSG( parent->m_currentChild == this,
1076 wxT("can't deactivate MDI child which wasn't active!") );
1077
1078 activated = false;
1079 parent->m_currentChild = NULL;
1080
1081 HMENU parent_menu = (HMENU)parent->GetWinMenu();
1082
1083 // activate the the parent menu only when there is no other child
1084 // that has been activated
1085 if ( parent_menu && !hwndAct )
1086 {
1087 parent->m_parentFrameActive = true;
1088
1089 menuToSet = parent_menu;
1090 }
1091 }
1092 else
1093 {
1094 // we have nothing to do with it
1095 return false;
1096 }
1097
1098 if ( menuToSet )
1099 {
1100 MDISetMenu(parent->GetClientWindow(),
1101 menuToSet, GetMDIWindowMenu(parent));
1102 }
1103
1104 wxActivateEvent event(wxEVT_ACTIVATE, activated, m_windowId);
1105 event.SetEventObject( this );
1106
1107 ResetWindowStyle((void *)NULL);
1108
1109 return GetEventHandler()->ProcessEvent(event);
1110}
1111
1112bool wxMDIChildFrame::HandleWindowPosChanging(void *pos)
1113{
1114 WINDOWPOS *lpPos = (WINDOWPOS *)pos;
1115
1116 if (!(lpPos->flags & SWP_NOSIZE))
1117 {
1118 RECT rectClient;
1119 DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1120 DWORD dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE);
1121 if (ResetWindowStyle((void *) & rectClient) && (dwStyle & WS_MAXIMIZE))
1122 {
1123 ::AdjustWindowRectEx(&rectClient, dwStyle, false, dwExStyle);
1124 lpPos->x = rectClient.left;
1125 lpPos->y = rectClient.top;
1126 lpPos->cx = rectClient.right - rectClient.left;
1127 lpPos->cy = rectClient.bottom - rectClient.top;
1128 }
1129 }
1130
1131 return false;
1132}
1133
1134bool wxMDIChildFrame::HandleGetMinMaxInfo(void *mmInfo)
1135{
1136 MINMAXINFO *info = (MINMAXINFO *)mmInfo;
1137
1138 // let the default window proc calculate the size of MDI children
1139 // frames because it is based on the size of the MDI client window,
1140 // not on the values specified in wxWindow m_max variables
1141 bool processed = MSWDefWindowProc(WM_GETMINMAXINFO, 0, (LPARAM)mmInfo) != 0;
1142
1143 int minWidth = GetMinWidth(),
1144 minHeight = GetMinHeight();
1145
1146 // but allow GetSizeHints() to set the min size
1147 if ( minWidth != wxDefaultCoord )
1148 {
1149 info->ptMinTrackSize.x = minWidth;
1150
1151 processed = true;
1152 }
1153
1154 if ( minHeight != wxDefaultCoord )
1155 {
1156 info->ptMinTrackSize.y = minHeight;
1157
1158 processed = true;
1159 }
1160
1161 return processed;
1162}
1163
1164// ---------------------------------------------------------------------------
1165// MDI specific message translation/preprocessing
1166// ---------------------------------------------------------------------------
1167
1168WXLRESULT wxMDIChildFrame::MSWDefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
1169{
1170 return DefMDIChildProc(GetHwnd(),
1171 (UINT)message, (WPARAM)wParam, (LPARAM)lParam);
1172}
1173
1174bool wxMDIChildFrame::MSWTranslateMessage(WXMSG* msg)
1175{
1176 // we must pass the parent frame to ::TranslateAccelerator(), otherwise it
1177 // doesn't do its job correctly for MDI child menus
1178 return MSWDoTranslateMessage((wxMDIChildFrame *)GetParent(), msg);
1179}
1180
1181// ---------------------------------------------------------------------------
1182// misc
1183// ---------------------------------------------------------------------------
1184
1185void wxMDIChildFrame::MSWDestroyWindow()
1186{
1187 wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
1188
1189 // Must make sure this handle is invalidated (set to NULL) since all sorts
1190 // of things could happen after the child client is destroyed, but before
1191 // the wxFrame is destroyed.
1192
1193 HWND oldHandle = (HWND)GetHWND();
1194 SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIDESTROY,
1195 (WPARAM)oldHandle, 0);
1196
1197 if (parent->GetActiveChild() == (wxMDIChildFrame*) NULL)
1198 ResetWindowStyle((void*) NULL);
1199
1200 if (m_hMenu)
1201 {
1202 ::DestroyMenu((HMENU) m_hMenu);
1203 m_hMenu = 0;
1204 }
1205 wxRemoveHandleAssociation(this);
1206 m_hWnd = 0;
1207}
1208
1209// Change the client window's extended style so we don't get a client edge
1210// style when a child is maximised (a double border looks silly.)
1211bool wxMDIChildFrame::ResetWindowStyle(void *vrect)
1212{
1213 RECT *rect = (RECT *)vrect;
1214 wxMDIParentFrame* pFrameWnd = (wxMDIParentFrame *)GetParent();
1215 wxMDIChildFrame* pChild = pFrameWnd->GetActiveChild();
1216
1217 if (!pChild || (pChild == this))
1218 {
1219 HWND hwndClient = GetWinHwnd(pFrameWnd->GetClientWindow());
1220 DWORD dwStyle = ::GetWindowLong(hwndClient, GWL_EXSTYLE);
1221
1222 // we want to test whether there is a maximized child, so just set
1223 // dwThisStyle to 0 if there is no child at all
1224 DWORD dwThisStyle = pChild
1225 ? ::GetWindowLong(GetWinHwnd(pChild), GWL_STYLE) : 0;
1226 DWORD dwNewStyle = dwStyle;
1227 if ( dwThisStyle & WS_MAXIMIZE )
1228 dwNewStyle &= ~(WS_EX_CLIENTEDGE);
1229 else
1230 dwNewStyle |= WS_EX_CLIENTEDGE;
1231
1232 if (dwStyle != dwNewStyle)
1233 {
1234 // force update of everything
1235 ::RedrawWindow(hwndClient, NULL, NULL,
1236 RDW_INVALIDATE | RDW_ALLCHILDREN);
1237 ::SetWindowLong(hwndClient, GWL_EXSTYLE, dwNewStyle);
1238 ::SetWindowPos(hwndClient, NULL, 0, 0, 0, 0,
1239 SWP_FRAMECHANGED | SWP_NOACTIVATE |
1240 SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
1241 SWP_NOCOPYBITS);
1242 if (rect)
1243 ::GetClientRect(hwndClient, rect);
1244
1245 return true;
1246 }
1247 }
1248
1249 return false;
1250}
1251
1252// ===========================================================================
1253// wxMDIClientWindow: the window of predefined (by Windows) class which
1254// contains the child frames
1255// ===========================================================================
1256
1257bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
1258{
1259 m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1260
1261 CLIENTCREATESTRUCT ccs;
1262 m_windowStyle = style;
1263 m_parent = parent;
1264
1265 ccs.hWindowMenu = GetMDIWindowMenu(parent);
1266 ccs.idFirstChild = wxFIRST_MDI_CHILD;
1267
1268 DWORD msStyle = MDIS_ALLCHILDSTYLES | WS_VISIBLE | WS_CHILD |
1269 WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
1270
1271 if ( style & wxHSCROLL )
1272 msStyle |= WS_HSCROLL;
1273 if ( style & wxVSCROLL )
1274 msStyle |= WS_VSCROLL;
1275
1276 DWORD exStyle = WS_EX_CLIENTEDGE;
1277
1278 wxWindowCreationHook hook(this);
1279 m_hWnd = (WXHWND)::CreateWindowEx
1280 (
1281 exStyle,
1282 wxT("MDICLIENT"),
1283 NULL,
1284 msStyle,
1285 0, 0, 0, 0,
1286 GetWinHwnd(parent),
1287 NULL,
1288 wxGetInstance(),
1289 (LPSTR)(LPCLIENTCREATESTRUCT)&ccs);
1290 if ( !m_hWnd )
1291 {
1292 wxLogLastError(wxT("CreateWindowEx(MDI client)"));
1293
1294 return false;
1295 }
1296
1297 SubclassWin(m_hWnd);
1298
1299 return true;
1300}
1301
1302// Explicitly call default scroll behaviour
1303void wxMDIClientWindow::OnScroll(wxScrollEvent& event)
1304{
1305 // Note: for client windows, the scroll position is not set in
1306 // WM_HSCROLL, WM_VSCROLL, so we can't easily determine what
1307 // scroll position we're at.
1308 // This makes it hard to paint patterns or bitmaps in the background,
1309 // and have the client area scrollable as well.
1310
1311 if ( event.GetOrientation() == wxHORIZONTAL )
1312 m_scrollX = event.GetPosition(); // Always returns zero!
1313 else
1314 m_scrollY = event.GetPosition(); // Always returns zero!
1315
1316 event.Skip();
1317}
1318
1319void wxMDIClientWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1320{
1321 // Try to fix a problem whereby if you show an MDI child frame, then reposition the
1322 // client area, you can end up with a non-refreshed portion in the client window
1323 // (see OGL studio sample). So check if the position is changed and if so,
1324 // redraw the MDI child frames.
1325
1326 const wxPoint oldPos = GetPosition();
1327
1328 wxWindow::DoSetSize(x, y, width, height, sizeFlags | wxSIZE_FORCE);
1329
1330 const wxPoint newPos = GetPosition();
1331
1332 if ((newPos.x != oldPos.x) || (newPos.y != oldPos.y))
1333 {
1334 if (GetParent())
1335 {
1336 wxWindowList::compatibility_iterator node = GetParent()->GetChildren().GetFirst();
1337 while (node)
1338 {
1339 wxWindow *child = node->GetData();
1340 if (child->IsKindOf(CLASSINFO(wxMDIChildFrame)))
1341 {
1342 ::RedrawWindow(GetHwndOf(child),
1343 NULL,
1344 NULL,
1345 RDW_FRAME |
1346 RDW_ALLCHILDREN |
1347 RDW_INVALIDATE);
1348 }
1349 node = node->GetNext();
1350 }
1351 }
1352 }
1353}
1354
1355void wxMDIChildFrame::OnIdle(wxIdleEvent& event)
1356{
1357 // wxMSW prior to 2.5.3 created MDI child frames as visible, which resulted
1358 // in flicker e.g. when the frame contained controls with non-trivial
1359 // layout. Since 2.5.3, the frame is created hidden as all other top level
1360 // windows. In order to maintain backward compatibility, the frame is shown
1361 // in OnIdle, unless Show(false) was called by the programmer before.
1362 if ( m_needsInitialShow )
1363 {
1364 Show(true);
1365 }
1366
1367 // MDI child frames get their WM_SIZE when they're constructed but at this
1368 // moment they don't have any children yet so all child windows will be
1369 // positioned incorrectly when they are added later - to fix this, we
1370 // generate an artificial size event here
1371 if ( m_needsResize )
1372 {
1373 m_needsResize = false; // avoid any possibility of recursion
1374
1375 SendSizeEvent();
1376 }
1377
1378 event.Skip();
1379}
1380
1381// ---------------------------------------------------------------------------
1382// non member functions
1383// ---------------------------------------------------------------------------
1384
1385static void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow)
1386{
1387 if ( hmenuFrame || hmenuWindow )
1388 {
1389 if ( !::SendMessage(GetWinHwnd(win),
1390 WM_MDISETMENU,
1391 (WPARAM)hmenuFrame,
1392 (LPARAM)hmenuWindow) )
1393 {
1394 wxLogLastError(_T("SendMessage(WM_MDISETMENU)"));
1395 }
1396 }
1397
1398 // update menu bar of the parent window
1399 wxWindow *parent = win->GetParent();
1400 wxCHECK_RET( parent, wxT("MDI client without parent frame? weird...") );
1401
1402 ::SendMessage(GetWinHwnd(win), WM_MDIREFRESHMENU, 0, 0L);
1403
1404 ::DrawMenuBar(GetWinHwnd(parent));
1405}
1406
1407static void InsertWindowMenu(wxWindow *win, WXHMENU menu, HMENU subMenu)
1408{
1409 // Try to insert Window menu in front of Help, otherwise append it.
1410 HMENU hmenu = (HMENU)menu;
1411
1412 if (subMenu)
1413 {
1414 int N = GetMenuItemCount(hmenu);
1415 bool success = false;
1416 for ( int i = 0; i < N; i++ )
1417 {
1418 wxChar buf[256];
1419 int chars = GetMenuString(hmenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION);
1420 if ( chars == 0 )
1421 {
1422 wxLogLastError(wxT("GetMenuString"));
1423
1424 continue;
1425 }
1426
1427 wxString strBuf(buf);
1428 if ( wxStripMenuCodes(strBuf) == wxGetStockLabel(wxID_HELP,false) )
1429 {
1430 success = true;
1431 ::InsertMenu(hmenu, i, MF_BYPOSITION | MF_POPUP | MF_STRING,
1432 (UINT)subMenu, _("&Window"));
1433 break;
1434 }
1435 }
1436
1437 if ( !success )
1438 {
1439 ::AppendMenu(hmenu, MF_POPUP, (UINT)subMenu, _("&Window"));
1440 }
1441 }
1442
1443 MDISetMenu(win, hmenu, subMenu);
1444}
1445
1446static void RemoveWindowMenu(wxWindow *win, WXHMENU menu)
1447{
1448 HMENU hMenu = (HMENU)menu;
1449
1450 if ( hMenu )
1451 {
1452 wxChar buf[1024];
1453
1454 int N = ::GetMenuItemCount(hMenu);
1455 for ( int i = 0; i < N; i++ )
1456 {
1457 if ( !::GetMenuString(hMenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION) )
1458 {
1459 // Ignore successful read of menu string with length 0 which
1460 // occurs, for example, for a maximized MDI childs system menu
1461 if ( ::GetLastError() != 0 )
1462 {
1463 wxLogLastError(wxT("GetMenuString"));
1464 }
1465
1466 continue;
1467 }
1468
1469 if ( wxStrcmp(buf, _("&Window")) == 0 )
1470 {
1471 if ( !::RemoveMenu(hMenu, i, MF_BYPOSITION) )
1472 {
1473 wxLogLastError(wxT("RemoveMenu"));
1474 }
1475
1476 break;
1477 }
1478 }
1479 }
1480
1481 if ( win )
1482 {
1483 // we don't change the windows menu, but we update the main one
1484 MDISetMenu(win, hMenu, NULL);
1485 }
1486}
1487
1488static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam,
1489 WXWORD *activate, WXHWND *hwndAct, WXHWND *hwndDeact)
1490{
1491 *activate = true;
1492 *hwndAct = (WXHWND)lParam;
1493 *hwndDeact = (WXHWND)wParam;
1494}
1495
1496#endif // wxUSE_MDI && !defined(__WXUNIVERSAL__)