Restored part of the default positioning code for dialogs that I
[wxWidgets.git] / src / msw / toplevel.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: msw/toplevel.cpp
3 // Purpose: implements wxTopLevelWindow for MSW
4 // Author: Vadim Zeitlin
5 // Modified by:
6 // Created: 24.09.01
7 // RCS-ID: $Id$
8 // Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
9 // License: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
21 #pragma implementation "toplevel.h"
22 #endif
23
24 // For compilers that support precompilation, includes "wx.h".
25 #include "wx/wxprec.h"
26
27 #ifdef __BORLANDC__
28 #pragma hdrstop
29 #endif
30
31 #ifndef WX_PRECOMP
32 #include "wx/app.h"
33 #include "wx/toplevel.h"
34 #include "wx/string.h"
35 #include "wx/log.h"
36 #include "wx/intl.h"
37 #include "wx/frame.h"
38 #include "wx/containr.h" // wxSetFocusToChild()
39 #endif //WX_PRECOMP
40
41 #include "wx/module.h"
42
43 #include "wx/msw/private.h"
44 #if defined(__WXWINCE__)
45 #include <ole2.h>
46 #include <shellapi.h>
47 #if _WIN32_WCE < 400
48 #include <aygshell.h>
49 #endif
50 #include "wx/msw/wince/missing.h"
51 #endif
52
53 #include "wx/msw/missing.h"
54 #include "wx/msw/winundef.h"
55
56 // This can't be undefed in winundef.h or
57 // there are further errors
58 #if defined(__WXWINCE__) && defined(CreateDialog)
59 #undef CreateDialog
60 #endif
61
62 #include "wx/display.h"
63
64 #ifndef ICON_BIG
65 #define ICON_BIG 1
66 #endif
67
68 #ifndef ICON_SMALL
69 #define ICON_SMALL 0
70 #endif
71
72 // ----------------------------------------------------------------------------
73 // stubs for missing functions under MicroWindows
74 // ----------------------------------------------------------------------------
75
76 #ifdef __WXMICROWIN__
77
78 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
79 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; }
80
81 #endif // __WXMICROWIN__
82
83 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
84 // is not included by wxUniv build which does need wxDlgProc
85 LONG APIENTRY _EXPORT
86 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
87
88 // ----------------------------------------------------------------------------
89 // globals
90 // ----------------------------------------------------------------------------
91
92 // list of all frames and modeless dialogs
93 wxWindowList wxModelessWindows;
94
95 // the name of the default wxWindows class
96 extern const wxChar *wxCanvasClassName;
97
98 // ----------------------------------------------------------------------------
99 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
100 // module to ensure that the window is always deleted)
101 // ----------------------------------------------------------------------------
102
103 class wxTLWHiddenParentModule : public wxModule
104 {
105 public:
106 // module init/finalize
107 virtual bool OnInit();
108 virtual void OnExit();
109
110 // get the hidden window (creates on demand)
111 static HWND GetHWND();
112
113 private:
114 // the HWND of the hidden parent
115 static HWND ms_hwnd;
116
117 // the class used to create it
118 static const wxChar *ms_className;
119
120 DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
121 };
122
123 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
124
125 // ============================================================================
126 // wxTopLevelWindowMSW implementation
127 // ============================================================================
128
129 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
130 EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
131 END_EVENT_TABLE()
132
133 // ----------------------------------------------------------------------------
134 // wxTopLevelWindowMSW creation
135 // ----------------------------------------------------------------------------
136
137 void wxTopLevelWindowMSW::Init()
138 {
139 m_iconized =
140 m_maximizeOnShow = FALSE;
141
142 // unlike (almost?) all other windows, frames are created hidden
143 m_isShown = FALSE;
144
145 // Data to save/restore when calling ShowFullScreen
146 m_fsStyle = 0;
147 m_fsOldWindowStyle = 0;
148 m_fsIsMaximized = FALSE;
149 m_fsIsShowing = FALSE;
150
151 m_winLastFocused = (wxWindow *)NULL;
152 }
153
154 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
155 {
156 // let the base class deal with the common styles but fix the ones which
157 // don't make sense for us (we also deal with the borders ourselves)
158 WXDWORD msflags = wxWindow::MSWGetStyle
159 (
160 (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
161 ) & ~WS_CHILD & ~WS_VISIBLE;
162
163 // first select the kind of window being created
164 //
165 // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
166 // creates a window with both caption and border, hence we also test it
167 // below in some other cases
168 if ( style & wxFRAME_TOOL_WINDOW )
169 msflags |= WS_POPUP;
170 else
171 {
172 #ifdef __WXWINCE__
173 if (msflags & WS_BORDER)
174 #endif
175 msflags |= WS_OVERLAPPED;
176 }
177
178 // border and caption styles
179 if ( style & wxRESIZE_BORDER )
180 {
181 #ifndef __WXWINCE__
182 msflags |= WS_THICKFRAME;
183 #endif
184 }
185 else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
186 *exflags |= WS_EX_DLGMODALFRAME;
187 else if ( !(style & wxBORDER_NONE) )
188 msflags |= WS_BORDER;
189 #ifndef __WXWINCE__
190 else
191 msflags |= WS_POPUP;
192 #endif
193
194 if ( style & wxCAPTION )
195 msflags |= WS_CAPTION;
196 #ifndef __WXWINCE__
197 else
198 msflags |= WS_POPUP;
199 #endif
200
201 // next translate the individual flags
202 if ( style & wxMINIMIZE_BOX )
203 msflags |= WS_MINIMIZEBOX;
204 if ( style & wxMAXIMIZE_BOX )
205 msflags |= WS_MAXIMIZEBOX;
206 if ( style & wxSYSTEM_MENU )
207 msflags |= WS_SYSMENU;
208 #ifndef __WXWINCE__
209 if ( style & wxMINIMIZE )
210 msflags |= WS_MINIMIZE;
211 if ( style & wxMAXIMIZE )
212 msflags |= WS_MAXIMIZE;
213 #endif
214
215 // Keep this here because it saves recoding this function in wxTinyFrame
216 #if wxUSE_ITSY_BITSY && !defined(__WIN32__)
217 if ( style & wxTINY_CAPTION_VERT )
218 msflags |= IBS_VERTCAPTION;
219 if ( style & wxTINY_CAPTION_HORIZ )
220 msflags |= IBS_HORZCAPTION;
221 #else
222 if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
223 msflags |= WS_CAPTION;
224 #endif
225
226 if ( exflags )
227 {
228 #if !defined(__WIN16__)
229 if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
230 {
231 if ( style & wxFRAME_TOOL_WINDOW )
232 {
233 // create the palette-like window
234 *exflags |= WS_EX_TOOLWINDOW;
235
236 // tool windows shouldn't appear on the taskbar (as documented)
237 style |= wxFRAME_NO_TASKBAR;
238 }
239
240 // We have to solve 2 different problems here:
241 //
242 // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
243 // taskbar even if they don't have a parent
244 //
245 // 2. frames without this style should appear in the taskbar even
246 // if they're owned (Windows only puts non owned windows into
247 // the taskbar normally)
248 //
249 // The second one is solved here by using WS_EX_APPWINDOW flag, the
250 // first one is dealt with in our MSWGetParent() method
251 // implementation
252 #ifndef __WXWINCE__
253 if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
254 {
255 // need to force the frame to appear in the taskbar
256 *exflags |= WS_EX_APPWINDOW;
257 }
258 #endif
259 //else: nothing to do [here]
260 }
261 #endif // !Win16
262
263 if ( style & wxSTAY_ON_TOP )
264 *exflags |= WS_EX_TOPMOST;
265
266 #ifdef __WIN32__
267 if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
268 *exflags |= WS_EX_CONTEXTHELP;
269 #endif // __WIN32__
270 }
271
272 return msflags;
273 }
274
275 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
276 {
277 // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
278 // parent HWND or it would be always on top of its parent which is not what
279 // we usually want (in fact, we only want it for frames with the
280 // wxFRAME_FLOAT_ON_PARENT flag)
281 HWND hwndParent = NULL;
282 if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
283 {
284 const wxWindow *parent = GetParent();
285
286 if ( !parent )
287 {
288 // this flag doesn't make sense then and will be ignored
289 wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
290 }
291 else
292 {
293 hwndParent = GetHwndOf(parent);
294 }
295 }
296 //else: don't float on parent, must not be owned
297
298 // now deal with the 2nd taskbar-related problem (see comments above in
299 // MSWGetStyle())
300 if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
301 {
302 // use hidden parent
303 hwndParent = wxTLWHiddenParentModule::GetHWND();
304 }
305
306 return (WXHWND)hwndParent;
307 }
308
309 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
310 const wxString& title,
311 const wxPoint& pos,
312 const wxSize& size)
313 {
314 #ifdef __WXMICROWIN__
315 // no dialogs support under MicroWin yet
316 return CreateFrame(title, pos, size);
317 #else // !__WXMICROWIN__
318 wxWindow *parent = GetParent();
319
320 // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
321 // app window as parent - this avoids creating modal dialogs without
322 // parent
323 if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
324 {
325 parent = wxTheApp->GetTopWindow();
326
327 if ( parent )
328 {
329 // don't use transient windows as parents, this is dangerous as it
330 // can lead to a crash if the parent is destroyed before the child
331 //
332 // also don't use the window which is currently hidden as then the
333 // dialog would be hidden as well
334 if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
335 !parent->IsShown() )
336 {
337 parent = NULL;
338 }
339 }
340 }
341
342 m_hWnd = (WXHWND)::CreateDialogIndirect
343 (
344 wxGetInstance(),
345 (DLGTEMPLATE*)dlgTemplate,
346 parent ? GetHwndOf(parent) : NULL,
347 (DLGPROC)wxDlgProc
348 );
349
350 if ( !m_hWnd )
351 {
352 wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
353
354 wxLogSysError(wxT("Can't create dialog using memory template"));
355
356 return FALSE;
357 }
358
359 WXDWORD exflags;
360 (void)MSWGetCreateWindowFlags(&exflags);
361
362 if ( exflags )
363 {
364 ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
365 ::SetWindowPos(GetHwnd(),
366 exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
367 0, 0, 0, 0,
368 SWP_NOSIZE |
369 SWP_NOMOVE |
370 (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
371 SWP_NOACTIVATE);
372 }
373
374 #if defined(__WIN95__)
375 // For some reason, the system menu is activated when we use the
376 // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
377 if ( exflags & WS_EX_CONTEXTHELP )
378 {
379 wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
380 if ( winTop )
381 {
382 wxIcon icon = winTop->GetIcon();
383 if ( icon.Ok() )
384 {
385 ::SendMessage(GetHwnd(), WM_SETICON,
386 (WPARAM)TRUE,
387 (LPARAM)GetHiconOf(icon));
388 }
389 }
390 }
391 #endif // __WIN95__
392
393 // move the dialog to its initial position without forcing repainting
394 int x, y, w, h;
395 (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
396
397 if ( x == (int)CW_USEDEFAULT )
398 {
399 // centre it on the screen - what else can we do?
400 wxSize sizeDpy = wxGetDisplaySize();
401
402 x = (sizeDpy.x - w) / 2;
403 y = (sizeDpy.y - h) / 2;
404 }
405
406 if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
407 {
408 wxLogLastError(wxT("MoveWindow"));
409 }
410
411 if ( !title.empty() )
412 {
413 ::SetWindowText(GetHwnd(), title);
414 }
415
416 SubclassWin(m_hWnd);
417
418 return TRUE;
419 #endif // __WXMICROWIN__/!__WXMICROWIN__
420 }
421
422 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
423 const wxPoint& pos,
424 const wxSize& size)
425 {
426 WXDWORD exflags;
427 WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
428
429 return MSWCreate(wxCanvasClassName, title, pos, size, flags, exflags);
430 }
431
432 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
433 wxWindowID id,
434 const wxString& title,
435 const wxPoint& pos,
436 const wxSize& size,
437 long style,
438 const wxString& name)
439 {
440 bool ret wxDUMMY_INITIALIZE(false);
441 int w, h;
442
443 // init our fields
444 Init();
445 w = WidthDefault(size.x);
446 h = HeightDefault(size.y);
447
448 m_windowStyle = style;
449
450 SetName(name);
451
452 m_windowId = id == -1 ? NewControlId() : id;
453
454 wxTopLevelWindows.Append(this);
455
456 if ( parent )
457 parent->AddChild(this);
458
459 if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
460 {
461 // we have different dialog templates to allows creation of dialogs
462 // with & without captions under MSWindows, resizeable or not (but a
463 // resizeable dialog always has caption - otherwise it would look too
464 // strange)
465
466 // we need 3 additional WORDs for dialog menu, class and title (as we
467 // don't use DS_SETFONT we don't need the fourth WORD for the font)
468 static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
469 DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
470 memset(dlgTemplate, 0, dlgsize);
471
472 // these values are arbitrary, they won't be used normally anyhow
473 dlgTemplate->x = 34;
474 dlgTemplate->y = 22;
475 dlgTemplate->cx = 144;
476 dlgTemplate->cy = 75;
477
478 // reuse the code in MSWGetStyle() but correct the results slightly for
479 // the dialog
480 dlgTemplate->style = MSWGetStyle(style, NULL);
481
482 // all dialogs are popups
483 dlgTemplate->style |= WS_POPUP;
484
485 // force 3D-look if necessary, it looks impossibly ugly otherwise
486 if ( style & (wxRESIZE_BORDER | wxCAPTION) )
487 dlgTemplate->style |= DS_MODALFRAME;
488
489 ret = CreateDialog(dlgTemplate, title, pos, wxSize(w,h));
490 free(dlgTemplate);
491 }
492 else // !dialog
493 {
494 ret = CreateFrame(title, pos, wxSize(w,h));
495 }
496
497 if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
498 {
499 EnableCloseButton(false);
500 }
501
502 // for some reason we need to manually send ourselves this message as
503 // otherwise the mnemonics are always shown -- even if they're configured
504 // to be hidden until "Alt" is pressed in the control panel
505 //
506 // this could indicate a bug somewhere else but for now this is the only
507 // fix we have
508 if ( ret )
509 {
510 SendMessage
511 (
512 GetHwnd(),
513 WM_UPDATEUISTATE,
514 MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
515 0
516 );
517 }
518
519 return ret;
520 }
521
522 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
523 {
524 if ( wxModelessWindows.Find(this) )
525 wxModelessWindows.DeleteObject(this);
526
527 // after destroying an owned window, Windows activates the next top level
528 // window in Z order but it may be different from our owner (to reproduce
529 // this simply Alt-TAB to another application and back before closing the
530 // owned frame) whereas we always want to yield activation to our parent
531 if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
532 {
533 wxWindow *parent = GetParent();
534 if ( parent )
535 {
536 ::BringWindowToTop(GetHwndOf(parent));
537 }
538 }
539 }
540
541 // ----------------------------------------------------------------------------
542 // wxTopLevelWindowMSW showing
543 // ----------------------------------------------------------------------------
544
545 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
546 {
547 ::ShowWindow(GetHwnd(), nShowCmd);
548
549 m_iconized = nShowCmd == SW_MINIMIZE;
550 }
551
552 bool wxTopLevelWindowMSW::Show(bool show)
553 {
554 // don't use wxWindow version as we want to call DoShowWindow() ourselves
555 if ( !wxWindowBase::Show(show) )
556 return FALSE;
557
558 int nShowCmd;
559 if ( show )
560 {
561 if ( m_maximizeOnShow )
562 {
563 // show and maximize
564 nShowCmd = SW_MAXIMIZE;
565
566 m_maximizeOnShow = FALSE;
567 }
568 else // just show
569 {
570 if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
571 nShowCmd = SW_SHOWNA;
572 else
573 nShowCmd = SW_SHOW;
574 }
575 }
576 else // hide
577 {
578 nShowCmd = SW_HIDE;
579 }
580
581 DoShowWindow(nShowCmd);
582
583 if ( show )
584 {
585 ::BringWindowToTop(GetHwnd());
586
587 wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
588 event.SetEventObject( this );
589 GetEventHandler()->ProcessEvent(event);
590 }
591 else // hide
592 {
593 // Try to highlight the correct window (the parent)
594 if ( GetParent() )
595 {
596 HWND hWndParent = GetHwndOf(GetParent());
597 if (hWndParent)
598 ::BringWindowToTop(hWndParent);
599 }
600 }
601
602 return TRUE;
603 }
604
605 // ----------------------------------------------------------------------------
606 // wxTopLevelWindowMSW maximize/minimize
607 // ----------------------------------------------------------------------------
608
609 void wxTopLevelWindowMSW::Maximize(bool maximize)
610 {
611 if ( IsShown() )
612 {
613 // just maximize it directly
614 DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
615 }
616 else // hidden
617 {
618 // we can't maximize the hidden frame because it shows it as well, so
619 // just remember that we should do it later in this case
620 m_maximizeOnShow = maximize;
621 }
622 }
623
624 bool wxTopLevelWindowMSW::IsMaximized() const
625 {
626 #ifdef __WXWINCE__
627 return FALSE;
628 #else
629 return ::IsZoomed(GetHwnd()) != 0;
630 #endif
631 }
632
633 void wxTopLevelWindowMSW::Iconize(bool iconize)
634 {
635 DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
636 }
637
638 bool wxTopLevelWindowMSW::IsIconized() const
639 {
640 #ifdef __WXWINCE__
641 return FALSE;
642 #else
643 // also update the current state
644 ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
645
646 return m_iconized;
647 #endif
648 }
649
650 void wxTopLevelWindowMSW::Restore()
651 {
652 DoShowWindow(SW_RESTORE);
653 }
654
655 // ----------------------------------------------------------------------------
656 // wxTopLevelWindowMSW fullscreen
657 // ----------------------------------------------------------------------------
658
659 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
660 {
661 if ( show == IsFullScreen() )
662 {
663 // nothing to do
664 return TRUE;
665 }
666
667 m_fsIsShowing = show;
668
669 if ( show )
670 {
671 m_fsStyle = style;
672
673 // zap the frame borders
674
675 // save the 'normal' window style
676 m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
677
678 // save the old position, width & height, maximize state
679 m_fsOldSize = GetRect();
680 m_fsIsMaximized = IsMaximized();
681
682 // decide which window style flags to turn off
683 LONG newStyle = m_fsOldWindowStyle;
684 LONG offFlags = 0;
685
686 if (style & wxFULLSCREEN_NOBORDER)
687 {
688 offFlags |= WS_BORDER;
689 #ifndef __WXWINCE__
690 offFlags |= WS_THICKFRAME;
691 #endif
692 }
693 if (style & wxFULLSCREEN_NOCAPTION)
694 offFlags |= WS_CAPTION | WS_SYSMENU;
695
696 newStyle &= ~offFlags;
697
698 // change our window style to be compatible with full-screen mode
699 ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
700
701 wxRect rect;
702 #if wxUSE_DISPLAY
703 // resize to the size of the display containing us
704 int dpy = wxDisplay::GetFromWindow(this);
705 if ( dpy != wxNOT_FOUND )
706 {
707 rect = wxDisplay(dpy).GetGeometry();
708 }
709 else // fall back to the main desktop
710 #else // wxUSE_DISPLAY
711 {
712 // resize to the size of the desktop
713 wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
714 #ifdef __WXWINCE__
715 // FIXME: size of the bottom menu (toolbar)
716 // should be taken in account
717 rect.height += rect.y;
718 rect.y = 0;
719 #endif
720 }
721 #endif // wxUSE_DISPLAY
722
723 SetSize(rect);
724
725 // now flush the window style cache and actually go full-screen
726 long flags = SWP_FRAMECHANGED;
727
728 // showing the frame full screen should also show it if it's still
729 // hidden
730 if ( !IsShown() )
731 {
732 // don't call wxWindow version to avoid flicker from calling
733 // ::ShowWindow() -- we're going to show the window at the correct
734 // location directly below -- but do call the wxWindowBase version
735 // to sync the internal m_isShown flag
736 wxWindowBase::Show();
737
738 flags |= SWP_SHOWWINDOW;
739 }
740
741 SetWindowPos(GetHwnd(), HWND_TOP,
742 rect.x, rect.y, rect.width, rect.height,
743 flags);
744
745 #if defined(__WXWINCE__) && _WIN32_WCE < 400
746 ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
747 #endif
748
749 // finally send an event allowing the window to relayout itself &c
750 wxSizeEvent event(rect.GetSize(), GetId());
751 GetEventHandler()->ProcessEvent(event);
752 }
753 else // stop showing full screen
754 {
755 #if defined(__WXWINCE__) && _WIN32_WCE < 400
756 ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
757 #endif
758 Maximize(m_fsIsMaximized);
759 SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
760 SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
761 m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
762 }
763
764 return TRUE;
765 }
766
767 // ----------------------------------------------------------------------------
768 // wxTopLevelWindowMSW misc
769 // ----------------------------------------------------------------------------
770
771 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
772 {
773 SetIcons( wxIconBundle( icon ) );
774 }
775
776 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
777 {
778 wxTopLevelWindowBase::SetIcons(icons);
779
780 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
781 const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
782 if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
783 {
784 ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
785 (LPARAM)GetHiconOf(sml) );
786 }
787
788 const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
789 if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
790 {
791 ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
792 (LPARAM)GetHiconOf(big) );
793 }
794 #endif // __WIN95__
795 }
796
797 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
798 {
799 #if !defined(__WXMICROWIN__)
800 // get system (a.k.a. window) menu
801 HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
802 if ( !hmenu )
803 {
804 // no system menu at all -- ok if we want to remove the close button
805 // anyhow, but bad if we want to show it
806 return !enable;
807 }
808
809 // enabling/disabling the close item from it also automatically
810 // disables/enables the close title bar button
811 if ( ::EnableMenuItem(hmenu, SC_CLOSE,
812 MF_BYCOMMAND |
813 (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
814 {
815 wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
816
817 return FALSE;
818 }
819
820 // update appearance immediately
821 if ( !::DrawMenuBar(GetHwnd()) )
822 {
823 wxLogLastError(_T("DrawMenuBar"));
824 }
825 #endif // !__WXMICROWIN__
826
827 return TRUE;
828 }
829
830 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
831 {
832 #ifdef __WXWINCE__
833 return FALSE;
834 #else
835 wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
836 _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
837
838 // The empty region signifies that the shape should be removed from the
839 // window.
840 if ( region.IsEmpty() )
841 {
842 if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
843 {
844 wxLogLastError(_T("SetWindowRgn"));
845 return FALSE;
846 }
847 return TRUE;
848 }
849
850 // Windows takes ownership of the region, so
851 // we'll have to make a copy of the region to give to it.
852 DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
853 RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
854 ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
855 HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
856 delete[] (char*) rgnData;
857
858 // SetWindowRgn expects the region to be in coordinants
859 // relative to the window, not the client area. Figure
860 // out the offset, if any.
861 RECT rect;
862 DWORD dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE);
863 DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
864 ::GetClientRect(GetHwnd(), &rect);
865 ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
866 ::OffsetRgn(hrgn, -rect.left, -rect.top);
867
868 // Now call the shape API with the new region.
869 if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
870 {
871 wxLogLastError(_T("SetWindowRgn"));
872 return FALSE;
873 }
874 return TRUE;
875 #endif
876 }
877
878 // ----------------------------------------------------------------------------
879 // wxTopLevelWindow event handling
880 // ----------------------------------------------------------------------------
881
882 // Default activation behaviour - set the focus for the first child
883 // subwindow found.
884 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
885 {
886 if ( event.GetActive() )
887 {
888 // restore focus to the child which was last focused unless we already
889 // have it
890 wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
891
892 wxWindow *winFocus = FindFocus();
893 if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
894 {
895 wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
896 : NULL;
897 if ( !parent )
898 {
899 parent = this;
900 }
901
902 wxSetFocusToChild(parent, &m_winLastFocused);
903 }
904 }
905 else // deactivating
906 {
907 // remember the last focused child if it is our child
908 m_winLastFocused = FindFocus();
909
910 if ( m_winLastFocused )
911 {
912 // let it know that it doesn't have focus any more
913 m_winLastFocused->HandleKillFocus((WXHWND)NULL);
914
915 // and don't remember it if it's a child from some other frame
916 if ( wxGetTopLevelParent(m_winLastFocused) != this )
917 {
918 m_winLastFocused = NULL;
919 }
920 }
921
922 wxLogTrace(_T("focus"),
923 _T("wxTLW %08x deactivated, last focused: %08x."),
924 (int) m_hWnd,
925 (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
926 : NULL));
927
928 event.Skip();
929 }
930 }
931
932 // the DialogProc for all wxWindows dialogs
933 LONG APIENTRY _EXPORT
934 wxDlgProc(HWND WXUNUSED(hDlg),
935 UINT message,
936 WPARAM WXUNUSED(wParam),
937 LPARAM WXUNUSED(lParam))
938 {
939 switch ( message )
940 {
941 case WM_INITDIALOG:
942 // for this message, returning TRUE tells system to set focus to
943 // the first control in the dialog box, but as we set the focus
944 // ourselves, we return FALSE from here as well, so fall through
945
946 default:
947 // for all the other ones, FALSE means that we didn't process the
948 // message
949 return FALSE;
950 }
951 }
952
953 // ============================================================================
954 // wxTLWHiddenParentModule implementation
955 // ============================================================================
956
957 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
958
959 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
960
961 bool wxTLWHiddenParentModule::OnInit()
962 {
963 ms_hwnd = NULL;
964 ms_className = NULL;
965
966 return TRUE;
967 }
968
969 void wxTLWHiddenParentModule::OnExit()
970 {
971 if ( ms_hwnd )
972 {
973 if ( !::DestroyWindow(ms_hwnd) )
974 {
975 wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
976 }
977
978 ms_hwnd = NULL;
979 }
980
981 if ( ms_className )
982 {
983 if ( !::UnregisterClass(ms_className, wxGetInstance()) )
984 {
985 wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
986 }
987
988 ms_className = NULL;
989 }
990 }
991
992 /* static */
993 HWND wxTLWHiddenParentModule::GetHWND()
994 {
995 if ( !ms_hwnd )
996 {
997 if ( !ms_className )
998 {
999 static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1000
1001 WNDCLASS wndclass;
1002 wxZeroMemory(wndclass);
1003
1004 wndclass.lpfnWndProc = DefWindowProc;
1005 wndclass.hInstance = wxGetInstance();
1006 wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1007
1008 if ( !::RegisterClass(&wndclass) )
1009 {
1010 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1011 }
1012 else
1013 {
1014 ms_className = HIDDEN_PARENT_CLASS;
1015 }
1016 }
1017
1018 ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1019 (HMENU)NULL, wxGetInstance(), NULL);
1020 if ( !ms_hwnd )
1021 {
1022 wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1023 }
1024 }
1025
1026 return ms_hwnd;
1027 }
1028
1029