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1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: src/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 // For compilers that support precompilation, includes "wx.h".
21 #include "wx/wxprec.h"
22
23 #ifdef __BORLANDC__
24 #pragma hdrstop
25 #endif
26
27 #ifndef WX_PRECOMP
28 #include "wx/app.h"
29 #include "wx/toplevel.h"
30 #include "wx/dialog.h"
31 #include "wx/string.h"
32 #include "wx/log.h"
33 #include "wx/intl.h"
34 #include "wx/frame.h"
35 #include "wx/containr.h" // wxSetFocusToChild()
36 #endif //WX_PRECOMP
37
38 #include "wx/module.h"
39 #include "wx/dynlib.h"
40
41 #include "wx/msw/private.h"
42 #if defined(__WXWINCE__) && !defined(__HANDHELDPC__)
43 #include <ole2.h>
44 #include <shellapi.h>
45 // Standard SDK doesn't have aygshell.dll: see include/wx/msw/wince/libraries.h
46 #if _WIN32_WCE < 400 || !defined(__WINCE_STANDARDSDK__)
47 #include <aygshell.h>
48 #endif
49 #include "wx/msw/wince/missing.h"
50 #endif
51
52 #include "wx/msw/missing.h"
53 #include "wx/msw/winundef.h"
54
55 #include "wx/display.h"
56
57 #ifndef ICON_BIG
58 #define ICON_BIG 1
59 #endif
60
61 #ifndef ICON_SMALL
62 #define ICON_SMALL 0
63 #endif
64
65 // ----------------------------------------------------------------------------
66 // stubs for missing functions under MicroWindows
67 // ----------------------------------------------------------------------------
68
69 #ifdef __WXMICROWIN__
70
71 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return false; }
72 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return false; }
73
74 #endif // __WXMICROWIN__
75
76 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
77 // is not included by wxUniv build which does need wxDlgProc
78 LONG APIENTRY _EXPORT
79 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
80
81 // ----------------------------------------------------------------------------
82 // globals
83 // ----------------------------------------------------------------------------
84
85 // the name of the default wxWidgets class
86 #ifdef __WXWINCE__
87 extern wxChar *wxCanvasClassName;
88 #else
89 extern const wxChar *wxCanvasClassName;
90 #endif
91
92 // ----------------------------------------------------------------------------
93 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
94 // module to ensure that the window is always deleted)
95 // ----------------------------------------------------------------------------
96
97 class wxTLWHiddenParentModule : public wxModule
98 {
99 public:
100 // module init/finalize
101 virtual bool OnInit();
102 virtual void OnExit();
103
104 // get the hidden window (creates on demand)
105 static HWND GetHWND();
106
107 private:
108 // the HWND of the hidden parent
109 static HWND ms_hwnd;
110
111 // the class used to create it
112 static const wxChar *ms_className;
113
114 DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
115 };
116
117 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
118
119 // ============================================================================
120 // wxTopLevelWindowMSW implementation
121 // ============================================================================
122
123 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
124 EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
125 END_EVENT_TABLE()
126
127 // ----------------------------------------------------------------------------
128 // wxTopLevelWindowMSW creation
129 // ----------------------------------------------------------------------------
130
131 void wxTopLevelWindowMSW::Init()
132 {
133 m_iconized =
134 m_maximizeOnShow = false;
135
136 // Data to save/restore when calling ShowFullScreen
137 m_fsStyle = 0;
138 m_fsOldWindowStyle = 0;
139 m_fsIsMaximized = false;
140 m_fsIsShowing = false;
141
142 m_winLastFocused = (wxWindow *)NULL;
143
144 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
145 m_MenuBarHWND = 0;
146 #endif
147
148 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
149 SHACTIVATEINFO* info = new SHACTIVATEINFO;
150 wxZeroMemory(*info);
151 info->cbSize = sizeof(SHACTIVATEINFO);
152
153 m_activateInfo = (void*) info;
154 #endif
155 }
156
157 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
158 {
159 // let the base class deal with the common styles but fix the ones which
160 // don't make sense for us (we also deal with the borders ourselves)
161 WXDWORD msflags = wxWindow::MSWGetStyle
162 (
163 (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
164 ) & ~WS_CHILD & ~WS_VISIBLE;
165
166 // For some reason, WS_VISIBLE needs to be defined on creation for
167 // SmartPhone 2003. The title can fail to be displayed otherwise.
168 #if defined(__SMARTPHONE__) || (defined(__WXWINCE__) && _WIN32_WCE < 400)
169 msflags |= WS_VISIBLE;
170 ((wxTopLevelWindowMSW*)this)->wxWindowBase::Show(true);
171 #endif
172
173 // first select the kind of window being created
174 //
175 // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
176 // creates a window with both caption and border, hence we need to use
177 // WS_POPUP in a few cases just to avoid having caption/border which we
178 // don't want
179
180 #if !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
181 // border and caption styles
182 if ( style & wxRESIZE_BORDER )
183 msflags |= WS_THICKFRAME;
184 else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
185 *exflags |= WS_EX_DLGMODALFRAME;
186 else if ( !(style & wxBORDER_NONE) )
187 msflags |= WS_BORDER;
188 #ifndef __POCKETPC__
189 else
190 msflags |= WS_POPUP;
191 #endif
192 #endif
193
194 // normally we consider that all windows without a caption must be popups,
195 // but CE is an exception: there windows normally do not have the caption
196 // but shouldn't be made popups as popups can't have menus and don't look
197 // like normal windows anyhow
198
199 // TODO: Smartphone appears to like wxCAPTION, but we should check that
200 // we need it.
201 #if defined(__SMARTPHONE__) || !defined(__WXWINCE__)
202 if ( style & wxCAPTION )
203 msflags |= WS_CAPTION;
204 #ifndef __WXWINCE__
205 else
206 msflags |= WS_POPUP;
207 #endif // !__WXWINCE__
208 #endif
209
210 // next translate the individual flags
211 if ( style & wxMINIMIZE_BOX )
212 msflags |= WS_MINIMIZEBOX;
213 if ( style & wxMAXIMIZE_BOX )
214 msflags |= WS_MAXIMIZEBOX;
215
216 #ifndef __WXWINCE__
217 if ( style & wxSYSTEM_MENU )
218 msflags |= WS_SYSMENU;
219 #endif
220
221 // NB: under CE these 2 styles are not supported currently, we should
222 // call Minimize()/Maximize() "manually" if we want to support them
223 if ( style & wxMINIMIZE )
224 msflags |= WS_MINIMIZE;
225
226 #if !defined(__POCKETPC__)
227 if ( style & wxMAXIMIZE )
228 msflags |= WS_MAXIMIZE;
229 #endif
230
231 // Keep this here because it saves recoding this function in wxTinyFrame
232 if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
233 msflags |= WS_CAPTION;
234
235 if ( exflags )
236 {
237 // there is no taskbar under CE, so omit all this
238 #if !defined(__WXWINCE__)
239 if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
240 {
241 if ( style & wxFRAME_TOOL_WINDOW )
242 {
243 // create the palette-like window
244 *exflags |= WS_EX_TOOLWINDOW;
245
246 // tool windows shouldn't appear on the taskbar (as documented)
247 style |= wxFRAME_NO_TASKBAR;
248 }
249
250 // We have to solve 2 different problems here:
251 //
252 // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
253 // taskbar even if they don't have a parent
254 //
255 // 2. frames without this style should appear in the taskbar even
256 // if they're owned (Windows only puts non owned windows into
257 // the taskbar normally)
258 //
259 // The second one is solved here by using WS_EX_APPWINDOW flag, the
260 // first one is dealt with in our MSWGetParent() method
261 // implementation
262 if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
263 {
264 // need to force the frame to appear in the taskbar
265 *exflags |= WS_EX_APPWINDOW;
266 }
267 //else: nothing to do [here]
268 }
269
270 if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
271 *exflags |= WS_EX_CONTEXTHELP;
272 #endif // !__WXWINCE__
273
274 if ( style & wxSTAY_ON_TOP )
275 *exflags |= WS_EX_TOPMOST;
276 }
277
278 return msflags;
279 }
280
281 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
282 {
283 // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
284 // parent HWND or it would be always on top of its parent which is not what
285 // we usually want (in fact, we only want it for frames with the
286 // wxFRAME_FLOAT_ON_PARENT flag)
287 HWND hwndParent = NULL;
288 if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
289 {
290 const wxWindow *parent = GetParent();
291
292 if ( !parent )
293 {
294 // this flag doesn't make sense then and will be ignored
295 wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
296 }
297 else
298 {
299 hwndParent = GetHwndOf(parent);
300 }
301 }
302 //else: don't float on parent, must not be owned
303
304 // now deal with the 2nd taskbar-related problem (see comments above in
305 // MSWGetStyle())
306 if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
307 {
308 // use hidden parent
309 hwndParent = wxTLWHiddenParentModule::GetHWND();
310 }
311
312 return (WXHWND)hwndParent;
313 }
314
315 WXLRESULT wxTopLevelWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
316 {
317 WXLRESULT rc = 0;
318 bool processed = false;
319
320 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
321 switch ( message )
322 {
323 case WM_ACTIVATE:
324 {
325 SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
326 if (info)
327 {
328 DWORD flags = 0;
329 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) flags = SHA_INPUTDIALOG;
330 SHHandleWMActivate(GetHwnd(), wParam, lParam, info, flags);
331 }
332
333 // This implicitly sends a wxEVT_ACTIVATE_APP event
334 if (wxTheApp)
335 wxTheApp->SetActive(wParam != 0, FindFocus());
336
337 break;
338 }
339 case WM_HIBERNATE:
340 {
341 if (wxTheApp)
342 {
343 wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY);
344 event.SetEventObject(wxTheApp);
345 processed = wxTheApp->ProcessEvent(event);
346 }
347 break;
348 }
349 }
350 #endif
351
352 if ( !processed )
353 rc = wxTopLevelWindowBase::MSWWindowProc(message, wParam, lParam);
354
355 return rc;
356 }
357
358 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
359 const wxString& title,
360 const wxPoint& pos,
361 const wxSize& size)
362 {
363 #ifdef __WXMICROWIN__
364 // no dialogs support under MicroWin yet
365 return CreateFrame(title, pos, size);
366 #else // !__WXMICROWIN__
367 wxWindow *parent = GetParent();
368
369 // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
370 // app window as parent - this avoids creating modal dialogs without
371 // parent
372 if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
373 {
374 parent = wxTheApp->GetTopWindow();
375
376 if ( parent )
377 {
378 // don't use transient windows as parents, this is dangerous as it
379 // can lead to a crash if the parent is destroyed before the child
380 //
381 // also don't use the window which is currently hidden as then the
382 // dialog would be hidden as well
383 if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
384 !parent->IsShown() )
385 {
386 parent = NULL;
387 }
388 }
389 }
390
391 m_hWnd = (WXHWND)::CreateDialogIndirect
392 (
393 wxGetInstance(),
394 (DLGTEMPLATE*)dlgTemplate,
395 parent ? GetHwndOf(parent) : NULL,
396 (DLGPROC)wxDlgProc
397 );
398
399 if ( !m_hWnd )
400 {
401 wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
402
403 wxLogSysError(wxT("Can't create dialog using memory template"));
404
405 return false;
406 }
407
408 WXDWORD exflags;
409 (void)MSWGetCreateWindowFlags(&exflags);
410
411 if ( exflags )
412 {
413 ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
414 ::SetWindowPos(GetHwnd(),
415 exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
416 0, 0, 0, 0,
417 SWP_NOSIZE |
418 SWP_NOMOVE |
419 (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
420 SWP_NOACTIVATE);
421 }
422
423 #if !defined(__WXWINCE__)
424 // For some reason, the system menu is activated when we use the
425 // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
426 if ( exflags & WS_EX_CONTEXTHELP )
427 {
428 wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
429 if ( winTop )
430 {
431 wxIcon icon = winTop->GetIcon();
432 if ( icon.Ok() )
433 {
434 ::SendMessage(GetHwnd(), WM_SETICON,
435 (WPARAM)TRUE,
436 (LPARAM)GetHiconOf(icon));
437 }
438 }
439 }
440 #endif
441
442 // move the dialog to its initial position without forcing repainting
443 int x, y, w, h;
444 (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
445
446 if ( x == (int)CW_USEDEFAULT )
447 {
448 // centre it on the screen - what else can we do?
449 wxSize sizeDpy = wxGetDisplaySize();
450
451 x = (sizeDpy.x - w) / 2;
452 y = (sizeDpy.y - h) / 2;
453 }
454
455 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
456 if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
457 {
458 wxLogLastError(wxT("MoveWindow"));
459 }
460 #endif
461
462 if ( !title.empty() )
463 {
464 ::SetWindowText(GetHwnd(), title);
465 }
466
467 SubclassWin(m_hWnd);
468
469 #ifdef __SMARTPHONE__
470 // Work around title non-display glitch
471 Show(false);
472 #endif
473
474 return true;
475 #endif // __WXMICROWIN__/!__WXMICROWIN__
476 }
477
478 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
479 const wxPoint& pos,
480 const wxSize& size)
481 {
482 WXDWORD exflags;
483 WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
484
485 #if !defined(__HANDHELDPC__) && ((defined(_WIN32_WCE) && _WIN32_WCE < 400) || \
486 defined(__POCKETPC__) || \
487 defined(__SMARTPHONE__))
488 // Always expand to fit the screen in PocketPC or SmartPhone
489 wxSize sz(wxDefaultSize);
490 wxUnusedVar(size);
491 #else // other (including normal desktop) Windows
492 wxSize sz(size);
493 #endif
494
495 bool result = MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
496
497 return result;
498 }
499
500 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
501 wxWindowID id,
502 const wxString& title,
503 const wxPoint& pos,
504 const wxSize& size,
505 long style,
506 const wxString& name)
507 {
508 bool ret wxDUMMY_INITIALIZE(false);
509
510 // init our fields
511 Init();
512
513 wxSize sizeReal = size;
514 if ( !sizeReal.IsFullySpecified() )
515 {
516 sizeReal.SetDefaults(GetDefaultSize());
517 }
518
519 m_windowStyle = style;
520
521 SetName(name);
522
523 m_windowId = id == wxID_ANY ? NewControlId() : id;
524
525 wxTopLevelWindows.Append(this);
526
527 if ( parent )
528 parent->AddChild(this);
529
530 if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
531 {
532 // we have different dialog templates to allows creation of dialogs
533 // with & without captions under MSWindows, resizeable or not (but a
534 // resizeable dialog always has caption - otherwise it would look too
535 // strange)
536
537 // we need 3 additional WORDs for dialog menu, class and title (as we
538 // don't use DS_SETFONT we don't need the fourth WORD for the font)
539 static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
540 DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
541 memset(dlgTemplate, 0, dlgsize);
542
543 // these values are arbitrary, they won't be used normally anyhow
544 dlgTemplate->x = 34;
545 dlgTemplate->y = 22;
546 dlgTemplate->cx = 144;
547 dlgTemplate->cy = 75;
548
549 // reuse the code in MSWGetStyle() but correct the results slightly for
550 // the dialog
551 dlgTemplate->style = MSWGetStyle(style, NULL);
552
553 // all dialogs are popups
554 dlgTemplate->style |= WS_POPUP;
555
556 #ifndef __WXWINCE__
557 // force 3D-look if necessary, it looks impossibly ugly otherwise
558 if ( style & (wxRESIZE_BORDER | wxCAPTION) )
559 dlgTemplate->style |= DS_MODALFRAME;
560 #endif
561
562 ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
563 free(dlgTemplate);
564 }
565 else // !dialog
566 {
567 ret = CreateFrame(title, pos, sizeReal);
568 }
569
570 #ifndef __WXWINCE__
571 if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
572 {
573 EnableCloseButton(false);
574 }
575 #endif
576
577 // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
578 // itself but for custom windows we have to do it ourselves in order to
579 // make the keyboard indicators (such as underlines for accelerators and
580 // focus rectangles) work under Win2k+
581 if ( ret )
582 {
583 MSWUpdateUIState(UIS_INITIALIZE);
584 }
585
586 // Note: if we include PocketPC in this test, dialogs can fail to show up,
587 // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
588 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
589 if ( style & wxMAXIMIZE )
590 {
591 this->Maximize();
592 }
593 #endif
594
595 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
596 SetRightMenu(); // to nothing for initialization
597 #endif
598
599 return ret;
600 }
601
602 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
603 {
604 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
605 SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
606 delete info;
607 m_activateInfo = NULL;
608 #endif
609
610 // after destroying an owned window, Windows activates the next top level
611 // window in Z order but it may be different from our owner (to reproduce
612 // this simply Alt-TAB to another application and back before closing the
613 // owned frame) whereas we always want to yield activation to our parent
614 if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
615 {
616 wxWindow *parent = GetParent();
617 if ( parent )
618 {
619 ::BringWindowToTop(GetHwndOf(parent));
620 }
621 }
622 }
623
624 // ----------------------------------------------------------------------------
625 // wxTopLevelWindowMSW showing
626 // ----------------------------------------------------------------------------
627
628 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
629 {
630 ::ShowWindow(GetHwnd(), nShowCmd);
631
632 m_iconized = nShowCmd == SW_MINIMIZE;
633 }
634
635 bool wxTopLevelWindowMSW::Show(bool show)
636 {
637 // don't use wxWindow version as we want to call DoShowWindow() ourselves
638 if ( !wxWindowBase::Show(show) )
639 return false;
640
641 int nShowCmd;
642 if ( show )
643 {
644 if ( m_maximizeOnShow )
645 {
646 // show and maximize
647 nShowCmd = SW_MAXIMIZE;
648
649 // This is necessary, or no window appears
650 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
651 DoShowWindow(SW_SHOW);
652 #endif
653
654 m_maximizeOnShow = false;
655 }
656 else // just show
657 {
658 if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
659 nShowCmd = SW_SHOWNA;
660 else
661 nShowCmd = SW_SHOW;
662 }
663 }
664 else // hide
665 {
666 nShowCmd = SW_HIDE;
667 }
668
669 DoShowWindow(nShowCmd);
670
671 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
672 // Addornments have to be added when the frame is the correct size
673 wxFrame* frame = wxDynamicCast(this, wxFrame);
674 if (frame && frame->GetMenuBar())
675 frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
676 #endif
677
678 return true;
679 }
680
681 // ----------------------------------------------------------------------------
682 // wxTopLevelWindowMSW maximize/minimize
683 // ----------------------------------------------------------------------------
684
685 void wxTopLevelWindowMSW::Maximize(bool maximize)
686 {
687 if ( IsShown() )
688 {
689 // just maximize it directly
690 DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
691 }
692 else // hidden
693 {
694 // we can't maximize the hidden frame because it shows it as well,
695 // so just remember that we should do it later in this case
696 m_maximizeOnShow = maximize;
697
698 // after calling Maximize() the client code expects to get the frame
699 // "real" size and doesn't want to know that, because of implementation
700 // details, the frame isn't really maximized yet but will be only once
701 // it's shown, so return our size as it will be then in this case
702 if ( maximize )
703 {
704 // unfortunately we don't know which display we're on yet so we
705 // have to use the default one
706 SetSize(wxGetClientDisplayRect().GetSize());
707 }
708 //else: can't do anything in this case, we don't have the old size
709 }
710 }
711
712 bool wxTopLevelWindowMSW::IsMaximized() const
713 {
714 #ifdef __WXWINCE__
715 return false;
716 #else
717 return m_maximizeOnShow || ::IsZoomed(GetHwnd()) != 0;
718 #endif
719 }
720
721 void wxTopLevelWindowMSW::Iconize(bool iconize)
722 {
723 DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
724 }
725
726 bool wxTopLevelWindowMSW::IsIconized() const
727 {
728 #ifdef __WXWINCE__
729 return false;
730 #else
731 // don't use m_iconized, it may be briefly out of sync with the real state
732 // as it's only modified when we receive a WM_SIZE and we could be called
733 // from an event handler from one of the messages we receive before it,
734 // such as WM_MOVE
735 return ::IsIconic(GetHwnd()) != 0;
736 #endif
737 }
738
739 void wxTopLevelWindowMSW::Restore()
740 {
741 DoShowWindow(SW_RESTORE);
742 }
743
744 // ----------------------------------------------------------------------------
745 // wxTopLevelWindowMSW fullscreen
746 // ----------------------------------------------------------------------------
747
748 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
749 {
750 if ( show == IsFullScreen() )
751 {
752 // nothing to do
753 return true;
754 }
755
756 m_fsIsShowing = show;
757
758 if ( show )
759 {
760 m_fsStyle = style;
761
762 // zap the frame borders
763
764 // save the 'normal' window style
765 m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
766
767 // save the old position, width & height, maximize state
768 m_fsOldSize = GetRect();
769 m_fsIsMaximized = IsMaximized();
770
771 // decide which window style flags to turn off
772 LONG newStyle = m_fsOldWindowStyle;
773 LONG offFlags = 0;
774
775 if (style & wxFULLSCREEN_NOBORDER)
776 {
777 offFlags |= WS_BORDER;
778 #ifndef __WXWINCE__
779 offFlags |= WS_THICKFRAME;
780 #endif
781 }
782 if (style & wxFULLSCREEN_NOCAPTION)
783 offFlags |= WS_CAPTION | WS_SYSMENU;
784
785 newStyle &= ~offFlags;
786
787 // change our window style to be compatible with full-screen mode
788 ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
789
790 wxRect rect;
791 #if wxUSE_DISPLAY
792 // resize to the size of the display containing us
793 int dpy = wxDisplay::GetFromWindow(this);
794 if ( dpy != wxNOT_FOUND )
795 {
796 rect = wxDisplay(dpy).GetGeometry();
797 }
798 else // fall back to the main desktop
799 #endif // wxUSE_DISPLAY
800 {
801 // resize to the size of the desktop
802 wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
803 #ifdef __WXWINCE__
804 // FIXME: size of the bottom menu (toolbar)
805 // should be taken in account
806 rect.height += rect.y;
807 rect.y = 0;
808 #endif
809 }
810
811 SetSize(rect);
812
813 // now flush the window style cache and actually go full-screen
814 long flags = SWP_FRAMECHANGED;
815
816 // showing the frame full screen should also show it if it's still
817 // hidden
818 if ( !IsShown() )
819 {
820 // don't call wxWindow version to avoid flicker from calling
821 // ::ShowWindow() -- we're going to show the window at the correct
822 // location directly below -- but do call the wxWindowBase version
823 // to sync the internal m_isShown flag
824 wxWindowBase::Show();
825
826 flags |= SWP_SHOWWINDOW;
827 }
828
829 SetWindowPos(GetHwnd(), HWND_TOP,
830 rect.x, rect.y, rect.width, rect.height,
831 flags);
832
833 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
834 ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
835 #endif
836
837 // finally send an event allowing the window to relayout itself &c
838 wxSizeEvent event(rect.GetSize(), GetId());
839 GetEventHandler()->ProcessEvent(event);
840 }
841 else // stop showing full screen
842 {
843 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
844 ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
845 #endif
846 Maximize(m_fsIsMaximized);
847 SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
848 SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
849 m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
850 }
851
852 return true;
853 }
854
855 // ----------------------------------------------------------------------------
856 // wxTopLevelWindowMSW misc
857 // ----------------------------------------------------------------------------
858
859 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
860 {
861 SetLabel(title);
862 }
863
864 wxString wxTopLevelWindowMSW::GetTitle() const
865 {
866 return GetLabel();
867 }
868
869 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
870 {
871 SetIcons( wxIconBundle( icon ) );
872 }
873
874 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
875 {
876 wxTopLevelWindowBase::SetIcons(icons);
877
878 #if !defined(__WXMICROWIN__)
879 const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
880 if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
881 {
882 ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
883 (LPARAM)GetHiconOf(sml) );
884 }
885
886 const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
887 if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
888 {
889 ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
890 (LPARAM)GetHiconOf(big) );
891 }
892 #endif // !__WXMICROWIN__
893 }
894
895 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
896 {
897 #if !defined(__WXMICROWIN__)
898 // get system (a.k.a. window) menu
899 HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
900 if ( !hmenu )
901 {
902 // no system menu at all -- ok if we want to remove the close button
903 // anyhow, but bad if we want to show it
904 return !enable;
905 }
906
907 // enabling/disabling the close item from it also automatically
908 // disables/enables the close title bar button
909 if ( ::EnableMenuItem(hmenu, SC_CLOSE,
910 MF_BYCOMMAND |
911 (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
912 {
913 wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
914
915 return false;
916 }
917 #ifndef __WXWINCE__
918 // update appearance immediately
919 if ( !::DrawMenuBar(GetHwnd()) )
920 {
921 wxLogLastError(_T("DrawMenuBar"));
922 }
923 #endif
924 #endif // !__WXMICROWIN__
925
926 return true;
927 }
928
929 #ifndef __WXWINCE__
930
931 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
932 {
933 wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
934 _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
935
936 // The empty region signifies that the shape should be removed from the
937 // window.
938 if ( region.IsEmpty() )
939 {
940 if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
941 {
942 wxLogLastError(_T("SetWindowRgn"));
943 return false;
944 }
945 return true;
946 }
947
948 // Windows takes ownership of the region, so
949 // we'll have to make a copy of the region to give to it.
950 DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
951 RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
952 ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
953 HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
954 delete[] (char*) rgnData;
955
956 // SetWindowRgn expects the region to be in coordinants
957 // relative to the window, not the client area. Figure
958 // out the offset, if any.
959 RECT rect;
960 DWORD dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE);
961 DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
962 ::GetClientRect(GetHwnd(), &rect);
963 ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
964 ::OffsetRgn(hrgn, -rect.left, -rect.top);
965
966 // Now call the shape API with the new region.
967 if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
968 {
969 wxLogLastError(_T("SetWindowRgn"));
970 return false;
971 }
972 return true;
973 }
974
975 #endif // !__WXWINCE__
976
977 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
978 {
979 // check if we can use FlashWindowEx(): unfortunately a simple test for
980 // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
981 // provide FlashWindowEx() declaration, so try to detect whether we have
982 // real headers for WINVER 0x0500 by checking for existence of a symbol not
983 // declated in MSVC6 header
984 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1)
985 // available in the headers, check if it is supported by the system
986 typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
987 FlashWindowEx_t s_pfnFlashWindowEx = NULL;
988 if ( !s_pfnFlashWindowEx )
989 {
990 wxDynamicLibrary dllUser32(_T("user32.dll"));
991 s_pfnFlashWindowEx = (FlashWindowEx_t)
992 dllUser32.GetSymbol(_T("FlashWindowEx"));
993
994 // we can safely unload user32.dll here, it's going to remain loaded as
995 // long as the program is running anyhow
996 }
997
998 if ( s_pfnFlashWindowEx )
999 {
1000 WinStruct<FLASHWINFO> fwi;
1001 fwi.hwnd = GetHwnd();
1002 fwi.dwFlags = FLASHW_ALL;
1003 if ( flags & wxUSER_ATTENTION_INFO )
1004 {
1005 // just flash a few times
1006 fwi.uCount = 3;
1007 }
1008 else // wxUSER_ATTENTION_ERROR
1009 {
1010 // flash until the user notices it
1011 fwi.dwFlags |= FLASHW_TIMERNOFG;
1012 }
1013
1014 s_pfnFlashWindowEx(&fwi);
1015 }
1016 else // FlashWindowEx() not available
1017 #endif // FlashWindowEx() defined
1018 {
1019 wxUnusedVar(flags);
1020 #ifndef __WXWINCE__
1021 ::FlashWindow(GetHwnd(), TRUE);
1022 #endif // __WXWINCE__
1023 }
1024 }
1025
1026 // ----------------------------------------------------------------------------
1027 // wxTopLevelWindow event handling
1028 // ----------------------------------------------------------------------------
1029
1030 // Default activation behaviour - set the focus for the first child
1031 // subwindow found.
1032 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1033 {
1034 if ( event.GetActive() )
1035 {
1036 // restore focus to the child which was last focused unless we already
1037 // have it
1038 wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
1039
1040 wxWindow *winFocus = FindFocus();
1041 if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1042 {
1043 wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1044 : NULL;
1045 if ( !parent )
1046 {
1047 parent = this;
1048 }
1049
1050 wxSetFocusToChild(parent, &m_winLastFocused);
1051 }
1052 }
1053 else // deactivating
1054 {
1055 // remember the last focused child if it is our child
1056 m_winLastFocused = FindFocus();
1057
1058 if ( m_winLastFocused )
1059 {
1060 // let it know that it doesn't have focus any more
1061 m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1062
1063 // and don't remember it if it's a child from some other frame
1064 if ( wxGetTopLevelParent(m_winLastFocused) != this )
1065 {
1066 m_winLastFocused = NULL;
1067 }
1068 }
1069
1070 wxLogTrace(_T("focus"),
1071 _T("wxTLW %08x deactivated, last focused: %08x."),
1072 (int) m_hWnd,
1073 (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
1074 : NULL));
1075
1076 event.Skip();
1077 }
1078 }
1079
1080 // the DialogProc for all wxWidgets dialogs
1081 LONG APIENTRY _EXPORT
1082 wxDlgProc(HWND hDlg,
1083 UINT message,
1084 WPARAM WXUNUSED(wParam),
1085 LPARAM WXUNUSED(lParam))
1086 {
1087 switch ( message )
1088 {
1089 case WM_INITDIALOG:
1090 {
1091 // under CE, add a "Ok" button in the dialog title bar and make it full
1092 // screen
1093 //
1094 // TODO: find the window for this HWND, and take into account
1095 // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1096 //
1097 // Standard SDK doesn't have aygshell.dll: see
1098 // include/wx/msw/wince/libraries.h
1099 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1100 SHINITDLGINFO shidi;
1101 shidi.dwMask = SHIDIM_FLAGS;
1102 shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1103 #ifndef __SMARTPHONE__
1104 | SHIDIF_DONEBUTTON
1105 #endif
1106 ;
1107 shidi.hDlg = hDlg;
1108 SHInitDialog( &shidi );
1109 #else // no SHInitDialog()
1110 wxUnusedVar(hDlg);
1111 #endif
1112 // for WM_INITDIALOG, returning TRUE tells system to set focus to
1113 // the first control in the dialog box, but as we set the focus
1114 // ourselves, we return FALSE for it as well
1115 return FALSE;
1116 }
1117 }
1118
1119 // for almost all messages, returning FALSE means that we didn't process
1120 // the message
1121 return FALSE;
1122 }
1123
1124 // ============================================================================
1125 // wxTLWHiddenParentModule implementation
1126 // ============================================================================
1127
1128 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1129
1130 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1131
1132 bool wxTLWHiddenParentModule::OnInit()
1133 {
1134 ms_hwnd = NULL;
1135 ms_className = NULL;
1136
1137 return true;
1138 }
1139
1140 void wxTLWHiddenParentModule::OnExit()
1141 {
1142 if ( ms_hwnd )
1143 {
1144 if ( !::DestroyWindow(ms_hwnd) )
1145 {
1146 wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1147 }
1148
1149 ms_hwnd = NULL;
1150 }
1151
1152 if ( ms_className )
1153 {
1154 if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1155 {
1156 wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1157 }
1158
1159 ms_className = NULL;
1160 }
1161 }
1162
1163 /* static */
1164 HWND wxTLWHiddenParentModule::GetHWND()
1165 {
1166 if ( !ms_hwnd )
1167 {
1168 if ( !ms_className )
1169 {
1170 static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1171
1172 WNDCLASS wndclass;
1173 wxZeroMemory(wndclass);
1174
1175 wndclass.lpfnWndProc = DefWindowProc;
1176 wndclass.hInstance = wxGetInstance();
1177 wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1178
1179 if ( !::RegisterClass(&wndclass) )
1180 {
1181 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1182 }
1183 else
1184 {
1185 ms_className = HIDDEN_PARENT_CLASS;
1186 }
1187 }
1188
1189 ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1190 (HMENU)NULL, wxGetInstance(), NULL);
1191 if ( !ms_hwnd )
1192 {
1193 wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1194 }
1195 }
1196
1197 return ms_hwnd;
1198 }