Remove obsolete VisualAge-related files.
[wxWidgets.git] / src / msw / toplevel.cpp
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 // Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
8 // Licence: wxWindows licence
9 ///////////////////////////////////////////////////////////////////////////////
10
11 // ============================================================================
12 // declarations
13 // ============================================================================
14
15 // ----------------------------------------------------------------------------
16 // headers
17 // ----------------------------------------------------------------------------
18
19 // For compilers that support precompilation, includes "wx.h".
20 #include "wx/wxprec.h"
21
22 #ifdef __BORLANDC__
23 #pragma hdrstop
24 #endif
25
26 #include "wx/toplevel.h"
27
28 #ifndef WX_PRECOMP
29 #include "wx/app.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/menu.h"
36 #include "wx/containr.h" // wxSetFocusToChild()
37 #include "wx/module.h"
38 #endif //WX_PRECOMP
39
40 #include "wx/dynlib.h"
41
42 #include "wx/msw/private.h"
43 #if defined(__WXWINCE__) && !defined(__HANDHELDPC__)
44 #include <ole2.h>
45 #include <shellapi.h>
46 // Standard SDK doesn't have aygshell.dll: see include/wx/msw/wince/libraries.h
47 #if _WIN32_WCE < 400 || !defined(__WINCE_STANDARDSDK__)
48 #include <aygshell.h>
49 #endif
50 #endif
51
52 #include "wx/msw/winundef.h"
53 #include "wx/msw/missing.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 // FIXME-VC6: Only VC6 doesn't have this in its standard headers so this
66 // could be removed once support for it is dropped.
67 #ifndef WM_UNINITMENUPOPUP
68 #define WM_UNINITMENUPOPUP 0x0125
69 #endif
70
71 // ----------------------------------------------------------------------------
72 // globals
73 // ----------------------------------------------------------------------------
74
75 #if wxUSE_MENUS || wxUSE_MENUS_NATIVE
76 extern wxMenu *wxCurrentPopupMenu;
77 #endif // wxUSE_MENUS || wxUSE_MENUS_NATIVE
78
79
80 // ----------------------------------------------------------------------------
81 // stubs for missing functions under MicroWindows
82 // ----------------------------------------------------------------------------
83
84 #ifdef __WXMICROWIN__
85
86 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return false; }
87 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return false; }
88
89 #endif // __WXMICROWIN__
90
91 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
92 // is not included by wxUniv build which does need wxDlgProc
93 LONG APIENTRY _EXPORT
94 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
95
96 // ----------------------------------------------------------------------------
97 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
98 // module to ensure that the window is always deleted)
99 // ----------------------------------------------------------------------------
100
101 class wxTLWHiddenParentModule : public wxModule
102 {
103 public:
104 // module init/finalize
105 virtual bool OnInit();
106 virtual void OnExit();
107
108 // get the hidden window (creates on demand)
109 static HWND GetHWND();
110
111 private:
112 // the HWND of the hidden parent
113 static HWND ms_hwnd;
114
115 // the class used to create it
116 static const wxChar *ms_className;
117
118 DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
119 };
120
121 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
122
123 // ============================================================================
124 // wxTopLevelWindowMSW implementation
125 // ============================================================================
126
127 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
128 EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
129 END_EVENT_TABLE()
130
131 // ----------------------------------------------------------------------------
132 // wxTopLevelWindowMSW creation
133 // ----------------------------------------------------------------------------
134
135 void wxTopLevelWindowMSW::Init()
136 {
137 m_iconized =
138 m_maximizeOnShow = false;
139
140 // Data to save/restore when calling ShowFullScreen
141 m_fsStyle = 0;
142 m_fsOldWindowStyle = 0;
143 m_fsIsMaximized = false;
144 m_fsIsShowing = false;
145
146 m_winLastFocused = NULL;
147
148 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
149 m_MenuBarHWND = 0;
150 #endif
151
152 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
153 SHACTIVATEINFO* info = new SHACTIVATEINFO;
154 wxZeroMemory(*info);
155 info->cbSize = sizeof(SHACTIVATEINFO);
156
157 m_activateInfo = (void*) info;
158 #endif
159
160 m_menuSystem = NULL;
161 m_menuDepth = 0;
162 }
163
164 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
165 {
166 // let the base class deal with the common styles but fix the ones which
167 // don't make sense for us (we also deal with the borders ourselves)
168 WXDWORD msflags = wxWindow::MSWGetStyle
169 (
170 (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
171 ) & ~WS_CHILD & ~WS_VISIBLE;
172
173 // For some reason, WS_VISIBLE needs to be defined on creation for
174 // SmartPhone 2003. The title can fail to be displayed otherwise.
175 #if defined(__SMARTPHONE__) || (defined(__WXWINCE__) && _WIN32_WCE < 400)
176 msflags |= WS_VISIBLE;
177 ((wxTopLevelWindowMSW*)this)->wxWindowBase::Show(true);
178 #endif
179
180 // first select the kind of window being created
181 //
182 // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
183 // creates a window with both caption and border, hence we need to use
184 // WS_POPUP in a few cases just to avoid having caption/border which we
185 // don't want
186
187 // border and caption styles
188 if ( ( style & wxRESIZE_BORDER ) && !IsAlwaysMaximized())
189 msflags |= WS_THICKFRAME;
190 else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
191 *exflags |= WS_EX_DLGMODALFRAME;
192 else if ( !(style & wxBORDER_NONE) )
193 msflags |= WS_BORDER;
194 #ifndef __POCKETPC__
195 else
196 msflags |= WS_POPUP;
197 #endif
198
199 // normally we consider that all windows without a caption must be popups,
200 // but CE is an exception: there windows normally do not have the caption
201 // but shouldn't be made popups as popups can't have menus and don't look
202 // like normal windows anyhow
203
204 // TODO: Smartphone appears to like wxCAPTION, but we should check that
205 // we need it.
206 #if defined(__SMARTPHONE__) || !defined(__WXWINCE__)
207 if ( style & wxCAPTION )
208 msflags |= WS_CAPTION;
209 #ifndef __WXWINCE__
210 else
211 msflags |= WS_POPUP;
212 #endif // !__WXWINCE__
213 #endif
214
215 // next translate the individual flags
216
217 // WS_EX_CONTEXTHELP is incompatible with WS_MINIMIZEBOX and WS_MAXIMIZEBOX
218 // and is ignored if we specify both of them, but chances are that if we
219 // use wxWS_EX_CONTEXTHELP, we really do want to have the context help
220 // button while wxMINIMIZE/wxMAXIMIZE are included by default, so the help
221 // takes precedence
222 if ( !(GetExtraStyle() & wxWS_EX_CONTEXTHELP) )
223 {
224 if ( style & wxMINIMIZE_BOX )
225 msflags |= WS_MINIMIZEBOX;
226 if ( style & wxMAXIMIZE_BOX )
227 msflags |= WS_MAXIMIZEBOX;
228 }
229
230 #ifndef __WXWINCE__
231 // notice that if wxCLOSE_BOX is specified we need to use WS_SYSMENU too as
232 // otherwise the close box doesn't appear
233 if ( style & (wxSYSTEM_MENU | wxCLOSE_BOX) )
234 msflags |= WS_SYSMENU;
235 #endif // !__WXWINCE__
236
237 // NB: under CE these 2 styles are not supported currently, we should
238 // call Minimize()/Maximize() "manually" if we want to support them
239 if ( style & wxMINIMIZE )
240 msflags |= WS_MINIMIZE;
241
242 if ( style & wxMAXIMIZE )
243 msflags |= WS_MAXIMIZE;
244
245 // Keep this here because it saves recoding this function in wxTinyFrame
246 if ( style & wxTINY_CAPTION )
247 msflags |= WS_CAPTION;
248
249 if ( exflags )
250 {
251 // there is no taskbar under CE, so omit all this
252 #if !defined(__WXWINCE__)
253 if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
254 {
255 if ( style & wxFRAME_TOOL_WINDOW )
256 {
257 // create the palette-like window
258 *exflags |= WS_EX_TOOLWINDOW;
259
260 // tool windows shouldn't appear on the taskbar (as documented)
261 style |= wxFRAME_NO_TASKBAR;
262 }
263
264 // We have to solve 2 different problems here:
265 //
266 // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
267 // taskbar even if they don't have a parent
268 //
269 // 2. frames without this style should appear in the taskbar even
270 // if they're owned (Windows only puts non owned windows into
271 // the taskbar normally)
272 //
273 // The second one is solved here by using WS_EX_APPWINDOW flag, the
274 // first one is dealt with in our MSWGetParent() method
275 // implementation
276 if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
277 {
278 // need to force the frame to appear in the taskbar
279 *exflags |= WS_EX_APPWINDOW;
280 }
281 //else: nothing to do [here]
282 }
283
284 if ( GetExtraStyle() & wxWS_EX_CONTEXTHELP )
285 *exflags |= WS_EX_CONTEXTHELP;
286 #endif // !__WXWINCE__
287
288 if ( style & wxSTAY_ON_TOP )
289 *exflags |= WS_EX_TOPMOST;
290 }
291
292 return msflags;
293 }
294
295 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
296 {
297 // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
298 // parent HWND or it would be always on top of its parent which is not what
299 // we usually want (in fact, we only want it for frames with the
300 // wxFRAME_FLOAT_ON_PARENT flag)
301 HWND hwndParent = NULL;
302 if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
303 {
304 const wxWindow *parent = GetParent();
305
306 if ( !parent )
307 {
308 // this flag doesn't make sense then and will be ignored
309 wxFAIL_MSG( wxT("wxFRAME_FLOAT_ON_PARENT but no parent?") );
310 }
311 else
312 {
313 hwndParent = GetHwndOf(parent);
314 }
315 }
316 //else: don't float on parent, must not be owned
317
318 // now deal with the 2nd taskbar-related problem (see comments above in
319 // MSWGetStyle())
320 if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
321 {
322 // use hidden parent
323 hwndParent = wxTLWHiddenParentModule::GetHWND();
324 }
325
326 return (WXHWND)hwndParent;
327 }
328
329 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
330 bool wxTopLevelWindowMSW::HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam)
331 {
332 SHACTIVATEINFO *info = (SHACTIVATEINFO*) m_activateInfo;
333 if ( info )
334 {
335 SHHandleWMSettingChange(GetHwnd(), wParam, lParam, info);
336 }
337
338 return wxWindowMSW::HandleSettingChange(wParam, lParam);
339 }
340 #endif
341
342 WXLRESULT wxTopLevelWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
343 {
344 WXLRESULT rc = 0;
345 bool processed = false;
346
347 switch ( message )
348 {
349 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
350 case WM_ACTIVATE:
351 {
352 SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
353 if (info)
354 {
355 DWORD flags = 0;
356 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) flags = SHA_INPUTDIALOG;
357 SHHandleWMActivate(GetHwnd(), wParam, lParam, info, flags);
358 }
359
360 // This implicitly sends a wxEVT_ACTIVATE_APP event
361 if (wxTheApp)
362 wxTheApp->SetActive(wParam != 0, FindFocus());
363
364 break;
365 }
366 case WM_HIBERNATE:
367 {
368 if (wxTheApp)
369 {
370 wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY);
371 event.SetEventObject(wxTheApp);
372 processed = wxTheApp->ProcessEvent(event);
373 }
374 break;
375 }
376 #endif // __SMARTPHONE__ || __POCKETPC__
377
378 case WM_SYSCOMMAND:
379 {
380 // From MSDN:
381 //
382 // ... the four low-order bits of the wParam parameter are
383 // used internally by the system. To obtain the correct
384 // result when testing the value of wParam, an application
385 // must combine the value 0xFFF0 with the wParam value by
386 // using the bitwise AND operator.
387 unsigned id = wParam & 0xfff0;
388
389 // Preserve the focus when minimizing/restoring the window: we
390 // need to do it manually as DefWindowProc() doesn't appear to
391 // do this for us for some reason (perhaps because we don't use
392 // WM_NEXTDLGCTL for setting focus?). Moreover, our code in
393 // OnActivate() doesn't work in this case as we receive the
394 // deactivation event too late when the window is being
395 // minimized and the focus is already NULL by then. Similarly,
396 // we receive the activation event too early and restoring
397 // focus in it fails because the window is still minimized. So
398 // we need to do it here.
399 if ( id == SC_MINIMIZE )
400 {
401 // For minimization, it's simple enough: just save the
402 // focus as usual. The important thing is that we're not
403 // minimized yet, so this works correctly.
404 DoSaveLastFocus();
405 }
406 else if ( id == SC_RESTORE )
407 {
408 // For restoring, it's trickier as DefWindowProc() sets
409 // focus to the window itself. So run it first and restore
410 // our saved focus only afterwards.
411 processed = true;
412 rc = wxTopLevelWindowBase::MSWWindowProc(message,
413 wParam, lParam);
414
415 DoRestoreLastFocus();
416 }
417
418 #ifndef __WXUNIVERSAL__
419 // We need to generate events for the custom items added to the
420 // system menu if it had been created (and presumably modified).
421 // As SC_SIZE is the first of the system-defined commands, we
422 // only do this for the custom commands before it and leave
423 // SC_SIZE and everything after it to DefWindowProc().
424 if ( m_menuSystem && id < SC_SIZE )
425 {
426 if ( m_menuSystem->MSWCommand(0 /* unused anyhow */, id) )
427 processed = true;
428 }
429 #endif // #ifndef __WXUNIVERSAL__
430 }
431 break;
432
433 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
434 #if wxUSE_MENUS
435 case WM_INITMENUPOPUP:
436 processed = HandleMenuPopup(wxEVT_MENU_OPEN, (WXHMENU)wParam);
437 break;
438
439 case WM_MENUSELECT:
440 {
441 WXWORD item, flags;
442 WXHMENU hmenu;
443 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
444
445 processed = HandleMenuSelect(item, flags, hmenu);
446 }
447 break;
448
449 case WM_EXITMENULOOP:
450 // Under Windows 98 and 2000 and later we're going to get
451 // WM_UNINITMENUPOPUP which will be used to generate this event
452 // with more information (notably the menu that was closed) so we
453 // only need this one under old Windows systems where the newer
454 // event is never sent.
455 if ( wxGetWinVersion() < wxWinVersion_98 )
456 processed = HandleExitMenuLoop(wParam);
457 break;
458
459 case WM_UNINITMENUPOPUP:
460 processed = HandleMenuPopup(wxEVT_MENU_CLOSE, (WXHMENU)wParam);
461 break;
462 #endif // wxUSE_MENUS
463 #endif // !__WXMICROWIN__
464 }
465
466 if ( !processed )
467 rc = wxTopLevelWindowBase::MSWWindowProc(message, wParam, lParam);
468
469 return rc;
470 }
471
472 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
473 const wxString& title,
474 const wxPoint& pos,
475 const wxSize& size)
476 {
477 #ifdef __WXMICROWIN__
478 // no dialogs support under MicroWin yet
479 return CreateFrame(title, pos, size);
480 #else // !__WXMICROWIN__
481 // static cast is valid as we're only ever called for dialogs
482 wxWindow * const
483 parent = static_cast<wxDialog *>(this)->GetParentForModalDialog();
484
485 m_hWnd = (WXHWND)::CreateDialogIndirect
486 (
487 wxGetInstance(),
488 (DLGTEMPLATE*)dlgTemplate,
489 parent ? GetHwndOf(parent) : NULL,
490 (DLGPROC)wxDlgProc
491 );
492
493 if ( !m_hWnd )
494 {
495 wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
496
497 wxLogSysError(wxT("Can't create dialog using memory template"));
498
499 return false;
500 }
501
502 #if !defined(__WXWINCE__)
503 // For some reason, the system menu is activated when we use the
504 // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
505 if ( HasExtraStyle(wxWS_EX_CONTEXTHELP) )
506 {
507 wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
508 if ( winTop )
509 {
510 wxIcon icon = winTop->GetIcon();
511 if ( icon.IsOk() )
512 {
513 ::SendMessage(GetHwnd(), WM_SETICON,
514 (WPARAM)TRUE,
515 (LPARAM)GetHiconOf(icon));
516 }
517 }
518 }
519 #endif // !__WXWINCE__
520
521 if ( !title.empty() )
522 {
523 ::SetWindowText(GetHwnd(), title.t_str());
524 }
525
526 SubclassWin(m_hWnd);
527
528 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
529 // move the dialog to its initial position without forcing repainting
530 int x, y, w, h;
531 (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
532
533 if ( x == (int)CW_USEDEFAULT )
534 {
535 // Let the system position the window, just set its size.
536 ::SetWindowPos(GetHwnd(), 0,
537 0, 0, w, h,
538 SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
539 }
540 else // Move the window to the desired location and set its size too.
541 {
542 if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
543 {
544 wxLogLastError(wxT("MoveWindow"));
545 }
546 }
547 #endif // !__WXWINCE__
548
549 #ifdef __SMARTPHONE__
550 // Work around title non-display glitch
551 Show(false);
552 #endif
553
554 return true;
555 #endif // __WXMICROWIN__/!__WXMICROWIN__
556 }
557
558 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
559 const wxPoint& pos,
560 const wxSize& size)
561 {
562 WXDWORD exflags;
563 WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
564
565 const wxSize sz = IsAlwaysMaximized() ? wxDefaultSize : size;
566
567 #ifndef __WXWINCE__
568 if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
569 exflags |= WS_EX_LAYOUTRTL;
570 #endif
571
572 return MSWCreate(MSWGetRegisteredClassName(),
573 title.t_str(), pos, sz, flags, exflags);
574 }
575
576 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
577 wxWindowID id,
578 const wxString& title,
579 const wxPoint& pos,
580 const wxSize& size,
581 long style,
582 const wxString& name)
583 {
584 wxSize sizeReal = size;
585 if ( !sizeReal.IsFullySpecified() )
586 {
587 sizeReal.SetDefaults(GetDefaultSize());
588 }
589
590 // notice that we should append this window to wxTopLevelWindows list
591 // before calling CreateBase() as it behaves differently for TLW and
592 // non-TLW windows
593 wxTopLevelWindows.Append(this);
594
595 bool ret = CreateBase(parent, id, pos, sizeReal, style, name);
596 if ( !ret )
597 return false;
598
599 if ( parent )
600 parent->AddChild(this);
601
602 if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
603 {
604 // we have different dialog templates to allows creation of dialogs
605 // with & without captions under MSWindows, resizable or not (but a
606 // resizable dialog always has caption - otherwise it would look too
607 // strange)
608
609 // we need 3 additional WORDs for dialog menu, class and title (as we
610 // don't use DS_SETFONT we don't need the fourth WORD for the font)
611 static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
612 DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
613 memset(dlgTemplate, 0, dlgsize);
614
615 // these values are arbitrary, they won't be used normally anyhow
616 dlgTemplate->x = 34;
617 dlgTemplate->y = 22;
618 dlgTemplate->cx = 144;
619 dlgTemplate->cy = 75;
620
621 // reuse the code in MSWGetStyle() but correct the results slightly for
622 // the dialog
623 //
624 // NB: we need a temporary variable as we can't pass pointer to
625 // dwExtendedStyle directly, it's not aligned correctly for 64 bit
626 // architectures
627 WXDWORD dwExtendedStyle;
628 dlgTemplate->style = MSWGetStyle(style, &dwExtendedStyle);
629 dlgTemplate->dwExtendedStyle = dwExtendedStyle;
630
631 // all dialogs are popups
632 dlgTemplate->style |= WS_POPUP;
633
634 #ifndef __WXWINCE__
635 if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
636 {
637 dlgTemplate->dwExtendedStyle |= WS_EX_LAYOUTRTL;
638 }
639
640 // force 3D-look if necessary, it looks impossibly ugly otherwise
641 if ( style & (wxRESIZE_BORDER | wxCAPTION) )
642 dlgTemplate->style |= DS_MODALFRAME;
643 #endif
644
645 ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
646 free(dlgTemplate);
647 }
648 else // !dialog
649 {
650 ret = CreateFrame(title, pos, sizeReal);
651 }
652
653 #ifndef __WXWINCE__
654 if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
655 {
656 EnableCloseButton(false);
657 }
658 #endif
659
660 // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
661 // itself but for custom windows we have to do it ourselves in order to
662 // make the keyboard indicators (such as underlines for accelerators and
663 // focus rectangles) work under Win2k+
664 if ( ret )
665 {
666 MSWUpdateUIState(UIS_INITIALIZE);
667 }
668
669 // Note: if we include PocketPC in this test, dialogs can fail to show up,
670 // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
671 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
672 if ( ( style & wxMAXIMIZE ) || IsAlwaysMaximized() )
673 {
674 this->Maximize();
675 }
676 #endif
677
678 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
679 SetRightMenu(); // to nothing for initialization
680 #endif
681
682 return ret;
683 }
684
685 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
686 {
687 delete m_menuSystem;
688
689 SendDestroyEvent();
690
691 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
692 SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
693 delete info;
694 m_activateInfo = NULL;
695 #endif
696
697 // after destroying an owned window, Windows activates the next top level
698 // window in Z order but it may be different from our owner (to reproduce
699 // this simply Alt-TAB to another application and back before closing the
700 // owned frame) whereas we always want to yield activation to our parent
701 if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
702 {
703 wxWindow *parent = GetParent();
704 if ( parent )
705 {
706 ::BringWindowToTop(GetHwndOf(parent));
707 }
708 }
709 }
710
711 // ----------------------------------------------------------------------------
712 // wxTopLevelWindowMSW showing
713 // ----------------------------------------------------------------------------
714
715 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
716 {
717 ::ShowWindow(GetHwnd(), nShowCmd);
718
719 // Hiding the window doesn't change its iconized state.
720 if ( nShowCmd != SW_HIDE )
721 {
722 // Otherwise restoring, maximizing or showing the window normally also
723 // makes it not iconized and only minimizing it does make it iconized.
724 m_iconized = nShowCmd == SW_MINIMIZE;
725 }
726 }
727
728 void wxTopLevelWindowMSW::ShowWithoutActivating()
729 {
730 if ( !wxWindowBase::Show(true) )
731 return;
732
733 DoShowWindow(SW_SHOWNA);
734 }
735
736 bool wxTopLevelWindowMSW::Show(bool show)
737 {
738 // don't use wxWindow version as we want to call DoShowWindow() ourselves
739 if ( !wxWindowBase::Show(show) )
740 return false;
741
742 int nShowCmd;
743 if ( show )
744 {
745 if ( m_maximizeOnShow )
746 {
747 // show and maximize
748 nShowCmd = SW_MAXIMIZE;
749
750 // This is necessary, or no window appears
751 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
752 DoShowWindow(SW_SHOW);
753 #endif
754
755 m_maximizeOnShow = false;
756 }
757 else if ( m_iconized )
758 {
759 // We were iconized while we were hidden, so now we need to show
760 // the window in iconized state.
761 nShowCmd = SW_MINIMIZE;
762 }
763 else if ( ::IsIconic(GetHwnd()) )
764 {
765 // We were restored while we were hidden, so now we need to show
766 // the window in its normal state.
767 //
768 // As below, don't activate some kinds of windows.
769 if ( HasFlag(wxFRAME_TOOL_WINDOW) || !IsEnabled() )
770 nShowCmd = SW_SHOWNOACTIVATE;
771 else
772 nShowCmd = SW_RESTORE;
773 }
774 else // just show
775 {
776 // we shouldn't use SW_SHOW which also activates the window for
777 // tool frames (as they shouldn't steal focus from the main window)
778 // nor for the currently disabled windows as they would be enabled
779 // as a side effect
780 if ( HasFlag(wxFRAME_TOOL_WINDOW) || !IsEnabled() )
781 nShowCmd = SW_SHOWNA;
782 else
783 nShowCmd = SW_SHOW;
784 }
785 }
786 else // hide
787 {
788 nShowCmd = SW_HIDE;
789 }
790
791 #if wxUSE_DEFERRED_SIZING
792 // we only set pending size if we're maximized before being shown, now that
793 // we're shown we don't need it any more (it is reset in size event handler
794 // for child windows but we have to do it ourselves for this parent window)
795 //
796 // make sure to reset it before actually showing the window as this will
797 // generate WM_SIZE events and we want to use the correct client size from
798 // them, not the size returned by WM_NCCALCSIZE in DoGetClientSize() which
799 // turns out to be wrong for maximized windows (see #11762)
800 m_pendingSize = wxDefaultSize;
801 #endif // wxUSE_DEFERRED_SIZING
802
803 DoShowWindow(nShowCmd);
804
805 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
806 // Addornments have to be added when the frame is the correct size
807 wxFrame* frame = wxDynamicCast(this, wxFrame);
808 if (frame && frame->GetMenuBar())
809 frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
810 #endif
811
812 return true;
813 }
814
815 void wxTopLevelWindowMSW::Raise()
816 {
817 ::SetForegroundWindow(GetHwnd());
818 }
819
820 // ----------------------------------------------------------------------------
821 // wxTopLevelWindowMSW maximize/minimize
822 // ----------------------------------------------------------------------------
823
824 void wxTopLevelWindowMSW::Maximize(bool maximize)
825 {
826 if ( IsShown() )
827 {
828 // just maximize it directly
829 DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
830 }
831 else // hidden
832 {
833 // we can't maximize the hidden frame because it shows it as well,
834 // so just remember that we should do it later in this case
835 m_maximizeOnShow = maximize;
836
837 #if wxUSE_DEFERRED_SIZING
838 // after calling Maximize() the client code expects to get the frame
839 // "real" size and doesn't want to know that, because of implementation
840 // details, the frame isn't really maximized yet but will be only once
841 // it's shown, so return our size as it will be then in this case
842 if ( maximize )
843 {
844 // we must only change pending size here, and not call SetSize()
845 // because otherwise Windows would think that this (full screen)
846 // size is the natural size for the frame and so would use it when
847 // the user clicks on "restore" title bar button instead of the
848 // correct initial frame size
849 //
850 // NB: unfortunately we don't know which display we're on yet so we
851 // have to use the default one
852 m_pendingSize = wxGetClientDisplayRect().GetSize();
853 }
854 //else: can't do anything in this case, we don't have the old size
855 #endif // wxUSE_DEFERRED_SIZING
856 }
857 }
858
859 bool wxTopLevelWindowMSW::IsMaximized() const
860 {
861 return IsAlwaysMaximized() ||
862 #if !defined(__SMARTPHONE__) && !defined(__POCKETPC__) && !defined(__WINCE_STANDARDSDK__)
863
864 (::IsZoomed(GetHwnd()) != 0) ||
865 #endif
866 m_maximizeOnShow;
867 }
868
869 void wxTopLevelWindowMSW::Iconize(bool iconize)
870 {
871 if ( iconize == m_iconized )
872 {
873 // Do nothing, in particular don't restore non-iconized windows when
874 // Iconize(false) is called as this would wrongly un-maximize them.
875 return;
876 }
877
878 if ( IsShown() )
879 {
880 // change the window state immediately
881 DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
882 }
883 else // hidden
884 {
885 // iconizing the window shouldn't show it so just update the internal
886 // state (otherwise it's done by DoShowWindow() itself)
887 m_iconized = iconize;
888 }
889 }
890
891 bool wxTopLevelWindowMSW::IsIconized() const
892 {
893 #ifdef __WXWINCE__
894 return false;
895 #else
896 if ( !IsShown() )
897 return m_iconized;
898
899 // don't use m_iconized, it may be briefly out of sync with the real state
900 // as it's only modified when we receive a WM_SIZE and we could be called
901 // from an event handler from one of the messages we receive before it,
902 // such as WM_MOVE
903 return ::IsIconic(GetHwnd()) != 0;
904 #endif
905 }
906
907 void wxTopLevelWindowMSW::Restore()
908 {
909 DoShowWindow(SW_RESTORE);
910 }
911
912 void wxTopLevelWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
913 {
914 if ( dir == wxLayout_Default )
915 dir = wxTheApp->GetLayoutDirection();
916
917 if ( dir != wxLayout_Default )
918 wxTopLevelWindowBase::SetLayoutDirection(dir);
919 }
920
921 // ----------------------------------------------------------------------------
922 // wxTopLevelWindowMSW geometry
923 // ----------------------------------------------------------------------------
924
925 #ifndef __WXWINCE__
926
927 void wxTopLevelWindowMSW::DoGetPosition(int *x, int *y) const
928 {
929 if ( IsIconized() )
930 {
931 WINDOWPLACEMENT wp;
932 wp.length = sizeof(WINDOWPLACEMENT);
933 if ( ::GetWindowPlacement(GetHwnd(), &wp) )
934 {
935 RECT& rc = wp.rcNormalPosition;
936
937 // the position returned by GetWindowPlacement() is in workspace
938 // coordinates except for windows with WS_EX_TOOLWINDOW style
939 if ( !HasFlag(wxFRAME_TOOL_WINDOW) )
940 {
941 // we must use the correct display for the translation as the
942 // task bar might be shown on one display but not the other one
943 int n = wxDisplay::GetFromWindow(this);
944 wxDisplay dpy(n == wxNOT_FOUND ? 0 : n);
945 const wxPoint ptOfs = dpy.GetClientArea().GetPosition() -
946 dpy.GetGeometry().GetPosition();
947
948 rc.left += ptOfs.x;
949 rc.top += ptOfs.y;
950 }
951
952 if ( x )
953 *x = rc.left;
954 if ( y )
955 *y = rc.top;
956
957 return;
958 }
959
960 wxLogLastError(wxT("GetWindowPlacement"));
961 }
962 //else: normal case
963
964 wxTopLevelWindowBase::DoGetPosition(x, y);
965 }
966
967 void wxTopLevelWindowMSW::DoGetSize(int *width, int *height) const
968 {
969 if ( IsIconized() )
970 {
971 WINDOWPLACEMENT wp;
972 wp.length = sizeof(WINDOWPLACEMENT);
973 if ( ::GetWindowPlacement(GetHwnd(), &wp) )
974 {
975 const RECT& rc = wp.rcNormalPosition;
976
977 if ( width )
978 *width = rc.right - rc.left;
979 if ( height )
980 *height = rc.bottom - rc.top;
981
982 return;
983 }
984
985 wxLogLastError(wxT("GetWindowPlacement"));
986 }
987 //else: normal case
988
989 wxTopLevelWindowBase::DoGetSize(width, height);
990 }
991
992 #endif // __WXWINCE__
993
994 void
995 wxTopLevelWindowMSW::MSWGetCreateWindowCoords(const wxPoint& pos,
996 const wxSize& size,
997 int& x, int& y,
998 int& w, int& h) const
999 {
1000 // let the system position the window if no explicit position was specified
1001 if ( pos.x == wxDefaultCoord )
1002 {
1003 // if x is set to CW_USEDEFAULT, y parameter is ignored anyhow so we
1004 // can just as well set it to CW_USEDEFAULT as well
1005 x =
1006 y = CW_USEDEFAULT;
1007 }
1008 else
1009 {
1010 // OTOH, if x is not set to CW_USEDEFAULT, y shouldn't be set to it
1011 // neither because it is not handled as a special value by Windows then
1012 // and so we have to choose some default value for it, even if a
1013 // completely arbitrary one
1014 static const int DEFAULT_Y = 200;
1015
1016 x = pos.x;
1017 y = pos.y == wxDefaultCoord ? DEFAULT_Y : pos.y;
1018 }
1019
1020 if ( size.x == wxDefaultCoord || size.y == wxDefaultCoord )
1021 {
1022 // We don't use CW_USEDEFAULT here for several reasons:
1023 //
1024 // 1. It results in huge frames on modern screens (1000*800 is not
1025 // uncommon on my 1280*1024 screen) which is way too big for a half
1026 // empty frame of most of wxWidgets samples for example)
1027 //
1028 // 2. It is buggy for frames with wxFRAME_TOOL_WINDOW style for which
1029 // the default is for whatever reason 8*8 which breaks client <->
1030 // window size calculations (it would be nice if it didn't, but it
1031 // does and the simplest way to fix it seemed to change the broken
1032 // default size anyhow)
1033 //
1034 // 3. There is just no advantage in doing it: with x and y it is
1035 // possible that [future versions of] Windows position the new top
1036 // level window in some smart way which we can't do, but we can
1037 // guess a reasonably good size for a new window just as well
1038 // ourselves
1039 //
1040 // The only exception is for the Windows CE platform where the system
1041 // does know better than we how should the windows be sized
1042 #ifdef _WIN32_WCE
1043 w =
1044 h = CW_USEDEFAULT;
1045 #else // !_WIN32_WCE
1046 wxSize sizeReal = size;
1047 sizeReal.SetDefaults(GetDefaultSize());
1048
1049 w = sizeReal.x;
1050 h = sizeReal.y;
1051 #endif // _WIN32_WCE/!_WIN32_WCE
1052 }
1053 else
1054 {
1055 w = size.x;
1056 h = size.y;
1057 }
1058 }
1059
1060 // ----------------------------------------------------------------------------
1061 // wxTopLevelWindowMSW fullscreen
1062 // ----------------------------------------------------------------------------
1063
1064 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
1065 {
1066 if ( show == IsFullScreen() )
1067 {
1068 // nothing to do
1069 return true;
1070 }
1071
1072 m_fsIsShowing = show;
1073
1074 if ( show )
1075 {
1076 m_fsStyle = style;
1077
1078 // zap the frame borders
1079
1080 // save the 'normal' window style
1081 m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
1082
1083 // save the old position, width & height, maximize state
1084 m_fsOldSize = GetRect();
1085 m_fsIsMaximized = IsMaximized();
1086
1087 // decide which window style flags to turn off
1088 LONG newStyle = m_fsOldWindowStyle;
1089 LONG offFlags = 0;
1090
1091 if (style & wxFULLSCREEN_NOBORDER)
1092 {
1093 offFlags |= WS_BORDER;
1094 #ifndef __WXWINCE__
1095 offFlags |= WS_THICKFRAME;
1096 #endif
1097 }
1098 if (style & wxFULLSCREEN_NOCAPTION)
1099 offFlags |= WS_CAPTION | WS_SYSMENU;
1100
1101 newStyle &= ~offFlags;
1102
1103 // Full screen windows should logically be popups as they don't have
1104 // decorations (and are definitely not children) and while not using
1105 // this style doesn't seem to make any difference for most windows, it
1106 // breaks wxGLCanvas in some cases, see #15434, so just always use it.
1107 newStyle |= WS_POPUP;
1108
1109 // change our window style to be compatible with full-screen mode
1110 ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
1111
1112 wxRect rect;
1113 #if wxUSE_DISPLAY
1114 // resize to the size of the display containing us
1115 int dpy = wxDisplay::GetFromWindow(this);
1116 if ( dpy != wxNOT_FOUND )
1117 {
1118 rect = wxDisplay(dpy).GetGeometry();
1119 }
1120 else // fall back to the main desktop
1121 #endif // wxUSE_DISPLAY
1122 {
1123 // resize to the size of the desktop
1124 wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
1125 #ifdef __WXWINCE__
1126 // FIXME: size of the bottom menu (toolbar)
1127 // should be taken in account
1128 rect.height += rect.y;
1129 rect.y = 0;
1130 #endif
1131 }
1132
1133 SetSize(rect);
1134
1135 // now flush the window style cache and actually go full-screen
1136 long flags = SWP_FRAMECHANGED;
1137
1138 // showing the frame full screen should also show it if it's still
1139 // hidden
1140 if ( !IsShown() )
1141 {
1142 // don't call wxWindow version to avoid flicker from calling
1143 // ::ShowWindow() -- we're going to show the window at the correct
1144 // location directly below -- but do call the wxWindowBase version
1145 // to sync the internal m_isShown flag
1146 wxWindowBase::Show();
1147
1148 flags |= SWP_SHOWWINDOW;
1149 }
1150
1151 SetWindowPos(GetHwnd(), HWND_TOP,
1152 rect.x, rect.y, rect.width, rect.height,
1153 flags);
1154
1155 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
1156 ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
1157 #endif
1158
1159 // finally send an event allowing the window to relayout itself &c
1160 wxSizeEvent event(rect.GetSize(), GetId());
1161 event.SetEventObject(this);
1162 HandleWindowEvent(event);
1163 }
1164 else // stop showing full screen
1165 {
1166 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
1167 ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
1168 #endif
1169 Maximize(m_fsIsMaximized);
1170 SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
1171 SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
1172 m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
1173 }
1174
1175 return true;
1176 }
1177
1178 // ----------------------------------------------------------------------------
1179 // wxTopLevelWindowMSW misc
1180 // ----------------------------------------------------------------------------
1181
1182 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
1183 {
1184 SetLabel(title);
1185 }
1186
1187 wxString wxTopLevelWindowMSW::GetTitle() const
1188 {
1189 return GetLabel();
1190 }
1191
1192 bool wxTopLevelWindowMSW::DoSelectAndSetIcon(const wxIconBundle& icons,
1193 int smX,
1194 int smY,
1195 int i)
1196 {
1197 const wxSize size(::GetSystemMetrics(smX), ::GetSystemMetrics(smY));
1198
1199 wxIcon icon = icons.GetIcon(size, wxIconBundle::FALLBACK_NEAREST_LARGER);
1200
1201 if ( !icon.IsOk() )
1202 return false;
1203
1204 ::SendMessage(GetHwnd(), WM_SETICON, i, (LPARAM)GetHiconOf(icon));
1205 return true;
1206 }
1207
1208 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
1209 {
1210 wxTopLevelWindowBase::SetIcons(icons);
1211
1212 if ( icons.IsEmpty() )
1213 {
1214 // FIXME: SetIcons(wxNullIconBundle) should unset existing icons,
1215 // but we currently don't do that
1216 wxASSERT_MSG( m_icons.IsEmpty(), "unsetting icons doesn't work" );
1217 return;
1218 }
1219
1220 DoSelectAndSetIcon(icons, SM_CXSMICON, SM_CYSMICON, ICON_SMALL);
1221 DoSelectAndSetIcon(icons, SM_CXICON, SM_CYICON, ICON_BIG);
1222 }
1223
1224 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
1225 {
1226 #if !defined(__WXMICROWIN__)
1227 // get system (a.k.a. window) menu
1228 HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
1229 if ( !hmenu )
1230 {
1231 // no system menu at all -- ok if we want to remove the close button
1232 // anyhow, but bad if we want to show it
1233 return !enable;
1234 }
1235
1236 // enabling/disabling the close item from it also automatically
1237 // disables/enables the close title bar button
1238 if ( ::EnableMenuItem(hmenu, SC_CLOSE,
1239 MF_BYCOMMAND |
1240 (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
1241 {
1242 wxLogLastError(wxT("EnableMenuItem(SC_CLOSE)"));
1243
1244 return false;
1245 }
1246 #ifndef __WXWINCE__
1247 // update appearance immediately
1248 if ( !::DrawMenuBar(GetHwnd()) )
1249 {
1250 wxLogLastError(wxT("DrawMenuBar"));
1251 }
1252 #endif
1253 #endif // !__WXMICROWIN__
1254
1255 return true;
1256 }
1257
1258 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
1259 {
1260 // check if we can use FlashWindowEx(): unfortunately a simple test for
1261 // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
1262 // provide FlashWindowEx() declaration, so try to detect whether we have
1263 // real headers for WINVER 0x0500 by checking for existence of a symbol not
1264 // declated in MSVC6 header
1265 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1) && wxUSE_DYNLIB_CLASS
1266 // available in the headers, check if it is supported by the system
1267 typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
1268 static FlashWindowEx_t s_pfnFlashWindowEx = NULL;
1269 if ( !s_pfnFlashWindowEx )
1270 {
1271 wxDynamicLibrary dllUser32(wxT("user32.dll"));
1272 s_pfnFlashWindowEx = (FlashWindowEx_t)
1273 dllUser32.GetSymbol(wxT("FlashWindowEx"));
1274
1275 // we can safely unload user32.dll here, it's going to remain loaded as
1276 // long as the program is running anyhow
1277 }
1278
1279 if ( s_pfnFlashWindowEx )
1280 {
1281 WinStruct<FLASHWINFO> fwi;
1282 fwi.hwnd = GetHwnd();
1283 fwi.dwFlags = FLASHW_ALL;
1284 if ( flags & wxUSER_ATTENTION_INFO )
1285 {
1286 // just flash a few times
1287 fwi.uCount = 3;
1288 }
1289 else // wxUSER_ATTENTION_ERROR
1290 {
1291 // flash until the user notices it
1292 fwi.dwFlags |= FLASHW_TIMERNOFG;
1293 }
1294
1295 s_pfnFlashWindowEx(&fwi);
1296 }
1297 else // FlashWindowEx() not available
1298 #endif // FlashWindowEx() defined
1299 {
1300 wxUnusedVar(flags);
1301 #ifndef __WXWINCE__
1302 ::FlashWindow(GetHwnd(), TRUE);
1303 #endif // __WXWINCE__
1304 }
1305 }
1306
1307 wxMenu *wxTopLevelWindowMSW::MSWGetSystemMenu() const
1308 {
1309 #ifndef __WXUNIVERSAL__
1310 if ( !m_menuSystem )
1311 {
1312 HMENU hmenu = ::GetSystemMenu(GetHwnd(), FALSE);
1313 if ( !hmenu )
1314 {
1315 wxLogLastError(wxT("GetSystemMenu()"));
1316 return NULL;
1317 }
1318
1319 wxTopLevelWindowMSW * const
1320 self = const_cast<wxTopLevelWindowMSW *>(this);
1321
1322 self->m_menuSystem = wxMenu::MSWNewFromHMENU(hmenu);
1323
1324 // We need to somehow associate this menu with this window to ensure
1325 // that we get events from it. A natural idea would be to pretend that
1326 // it's attached to our menu bar but this wouldn't work if we don't
1327 // have any menu bar which is a common case for applications using
1328 // custom items in the system menu (they mostly do it exactly because
1329 // they don't have any other menus).
1330 //
1331 // So reuse the invoking window pointer instead, this is not exactly
1332 // correct but doesn't seem to have any serious drawbacks.
1333 m_menuSystem->SetInvokingWindow(self);
1334 }
1335 #endif // #ifndef __WXUNIVERSAL__
1336
1337 return m_menuSystem;
1338 }
1339
1340 // ----------------------------------------------------------------------------
1341 // Transparency support
1342 // ---------------------------------------------------------------------------
1343
1344 bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha)
1345 {
1346 #if wxUSE_DYNLIB_CLASS
1347 typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD);
1348 static PSETLAYEREDWINDOWATTR
1349 pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)-1;
1350
1351 if ( pSetLayeredWindowAttributes == (PSETLAYEREDWINDOWATTR)-1 )
1352 {
1353 wxDynamicLibrary dllUser32(wxT("user32.dll"));
1354
1355 // use RawGetSymbol() and not GetSymbol() to avoid error messages under
1356 // Windows 95: there is nothing the user can do about this anyhow
1357 pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)
1358 dllUser32.RawGetSymbol(wxT("SetLayeredWindowAttributes"));
1359
1360 // it's ok to destroy dllUser32 here, we link statically to user32.dll
1361 // anyhow so it won't be unloaded
1362 }
1363
1364 if ( !pSetLayeredWindowAttributes )
1365 return false;
1366 #endif // wxUSE_DYNLIB_CLASS
1367
1368 LONG exstyle = GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1369
1370 // if setting alpha to fully opaque then turn off the layered style
1371 if (alpha == 255)
1372 {
1373 SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle & ~WS_EX_LAYERED);
1374 Refresh();
1375 return true;
1376 }
1377
1378 #if wxUSE_DYNLIB_CLASS
1379 // Otherwise, set the layered style if needed and set the alpha value
1380 if ((exstyle & WS_EX_LAYERED) == 0 )
1381 SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED);
1382
1383 if ( pSetLayeredWindowAttributes(GetHwnd(), 0, (BYTE)alpha, LWA_ALPHA) )
1384 return true;
1385 #endif // wxUSE_DYNLIB_CLASS
1386
1387 return false;
1388 }
1389
1390 bool wxTopLevelWindowMSW::CanSetTransparent()
1391 {
1392 // The API is available on win2k and above
1393
1394 static int os_type = -1;
1395 static int ver_major = -1;
1396
1397 if (os_type == -1)
1398 os_type = ::wxGetOsVersion(&ver_major);
1399
1400 return (os_type == wxOS_WINDOWS_NT && ver_major >= 5);
1401 }
1402
1403 void wxTopLevelWindowMSW::DoFreeze()
1404 {
1405 // do nothing: freezing toplevel window causes paint and mouse events
1406 // to go through it any TLWs under it, so the best we can do is to freeze
1407 // all children -- and wxWindowBase::Freeze() does that
1408 }
1409
1410 void wxTopLevelWindowMSW::DoThaw()
1411 {
1412 // intentionally empty -- see DoFreeze()
1413 }
1414
1415
1416 // ----------------------------------------------------------------------------
1417 // wxTopLevelWindow event handling
1418 // ----------------------------------------------------------------------------
1419
1420 void wxTopLevelWindowMSW::DoSaveLastFocus()
1421 {
1422 if ( m_iconized )
1423 return;
1424
1425 // remember the last focused child if it is our child
1426 m_winLastFocused = FindFocus();
1427
1428 if ( m_winLastFocused )
1429 {
1430 // and don't remember it if it's a child from some other frame
1431 if ( wxGetTopLevelParent(m_winLastFocused) != this )
1432 {
1433 m_winLastFocused = NULL;
1434 }
1435 }
1436 }
1437
1438 void wxTopLevelWindowMSW::DoRestoreLastFocus()
1439 {
1440 wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1441 : NULL;
1442 if ( !parent )
1443 {
1444 parent = this;
1445 }
1446
1447 wxSetFocusToChild(parent, &m_winLastFocused);
1448 }
1449
1450 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1451 {
1452 if ( event.GetActive() )
1453 {
1454 // We get WM_ACTIVATE before being restored from iconized state, so we
1455 // can be still iconized here. In this case, avoid restoring the focus
1456 // as it doesn't work anyhow and we will do when we're really restored.
1457 if ( m_iconized )
1458 {
1459 event.Skip();
1460 return;
1461 }
1462
1463 // restore focus to the child which was last focused unless we already
1464 // have it
1465 wxLogTrace(wxT("focus"), wxT("wxTLW %p activated."), m_hWnd);
1466
1467 wxWindow *winFocus = FindFocus();
1468 if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1469 DoRestoreLastFocus();
1470 }
1471 else // deactivating
1472 {
1473 DoSaveLastFocus();
1474
1475 wxLogTrace(wxT("focus"),
1476 wxT("wxTLW %p deactivated, last focused: %p."),
1477 m_hWnd,
1478 m_winLastFocused ? GetHwndOf(m_winLastFocused) : NULL);
1479
1480 event.Skip();
1481 }
1482 }
1483
1484 #if wxUSE_MENUS
1485
1486 bool
1487 wxTopLevelWindowMSW::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
1488 {
1489 // Ignore the special messages generated when the menu is closed (this is
1490 // the only case when the flags are set to -1), in particular don't clear
1491 // the help string in the status bar when this happens as it had just been
1492 // restored by the base class code.
1493 if ( !hMenu && flags == 0xffff )
1494 return false;
1495
1496 // Unfortunately we also need to ignore another message which is sent after
1497 // closing the currently active submenu of the menu bar by pressing Escape:
1498 // in this case we get WM_UNINITMENUPOPUP, from which we generate
1499 // wxEVT_MENU_CLOSE, and _then_ we get WM_MENUSELECT for the top level menu
1500 // from which we overwrite the help string just restored by OnMenuClose()
1501 // handler in wxFrameBase. To prevent this from happening we discard these
1502 // messages but only in the case it's really the top level menu as we still
1503 // need to clear the help string when a submenu is selected in a menu.
1504 if ( flags == (MF_POPUP | MF_HILITE) && !m_menuDepth )
1505 return false;
1506
1507 // sign extend to int from unsigned short we get from Windows
1508 int item = (signed short)nItem;
1509
1510 // WM_MENUSELECT is generated for both normal items and menus, including
1511 // the top level menus of the menu bar, which can't be represented using
1512 // any valid identifier in wxMenuEvent so use an otherwise unused value for
1513 // them
1514 if ( flags & (MF_POPUP | MF_SEPARATOR) )
1515 item = wxID_NONE;
1516
1517 wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
1518 event.SetEventObject(this);
1519
1520 if ( HandleWindowEvent(event) )
1521 return true;
1522
1523 // by default, i.e. if the event wasn't handled above, clear the status bar
1524 // text when an item which can't have any associated help string in wx API
1525 // is selected
1526 if ( item == wxID_NONE )
1527 DoGiveHelp(wxEmptyString, true);
1528
1529 return false;
1530 }
1531
1532 bool
1533 wxTopLevelWindowMSW::DoSendMenuOpenCloseEvent(wxEventType evtType, wxMenu* menu, bool popup)
1534 {
1535 // Update the menu depth when dealing with the top level menus.
1536 if ( !popup )
1537 {
1538 if ( evtType == wxEVT_MENU_OPEN )
1539 {
1540 m_menuDepth++;
1541 }
1542 else if ( evtType == wxEVT_MENU_CLOSE )
1543 {
1544 wxASSERT_MSG( m_menuDepth > 0, wxS("No open menus?") );
1545
1546 m_menuDepth--;
1547 }
1548 else
1549 {
1550 wxFAIL_MSG( wxS("Unexpected menu event type") );
1551 }
1552 }
1553
1554 wxMenuEvent event(evtType, popup ? wxID_ANY : 0, menu);
1555 event.SetEventObject(menu);
1556
1557 return HandleWindowEvent(event);
1558 }
1559
1560 bool wxTopLevelWindowMSW::HandleExitMenuLoop(WXWORD isPopup)
1561 {
1562 return DoSendMenuOpenCloseEvent(wxEVT_MENU_CLOSE,
1563 isPopup ? wxCurrentPopupMenu : NULL,
1564 isPopup != 0);
1565 }
1566
1567 bool wxTopLevelWindowMSW::HandleMenuPopup(wxEventType evtType, WXHMENU hMenu)
1568 {
1569 bool isPopup = false;
1570 wxMenu* menu = NULL;
1571 if ( wxCurrentPopupMenu && wxCurrentPopupMenu->GetHMenu() == hMenu )
1572 {
1573 menu = wxCurrentPopupMenu;
1574 isPopup = true;
1575 }
1576 else
1577 {
1578 menu = MSWFindMenuFromHMENU(hMenu);
1579 }
1580
1581
1582 return DoSendMenuOpenCloseEvent(evtType, menu, isPopup);
1583 }
1584
1585 wxMenu* wxTopLevelWindowMSW::MSWFindMenuFromHMENU(WXHMENU WXUNUSED(hMenu))
1586 {
1587 // We don't have any menus at this level.
1588 return NULL;
1589 }
1590
1591 #endif // wxUSE_MENUS
1592
1593
1594
1595 // the DialogProc for all wxWidgets dialogs
1596 LONG APIENTRY _EXPORT
1597 wxDlgProc(HWND hDlg,
1598 UINT message,
1599 WPARAM WXUNUSED(wParam),
1600 LPARAM WXUNUSED(lParam))
1601 {
1602 switch ( message )
1603 {
1604 case WM_INITDIALOG:
1605 {
1606 // under CE, add a "Ok" button in the dialog title bar and make it full
1607 // screen
1608 //
1609 // TODO: find the window for this HWND, and take into account
1610 // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1611 //
1612 // Standard SDK doesn't have aygshell.dll: see
1613 // include/wx/msw/wince/libraries.h
1614 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1615 SHINITDLGINFO shidi;
1616 shidi.dwMask = SHIDIM_FLAGS;
1617 shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1618 #ifndef __SMARTPHONE__
1619 | SHIDIF_DONEBUTTON
1620 #endif
1621 ;
1622 shidi.hDlg = hDlg;
1623 SHInitDialog( &shidi );
1624 #else // no SHInitDialog()
1625 wxUnusedVar(hDlg);
1626 #endif
1627 // for WM_INITDIALOG, returning TRUE tells system to set focus to
1628 // the first control in the dialog box, but as we set the focus
1629 // ourselves, we return FALSE for it as well
1630 return FALSE;
1631 }
1632 }
1633
1634 // for almost all messages, returning FALSE means that we didn't process
1635 // the message
1636 return FALSE;
1637 }
1638
1639 // ============================================================================
1640 // wxTLWHiddenParentModule implementation
1641 // ============================================================================
1642
1643 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1644
1645 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1646
1647 bool wxTLWHiddenParentModule::OnInit()
1648 {
1649 ms_hwnd = NULL;
1650 ms_className = NULL;
1651
1652 return true;
1653 }
1654
1655 void wxTLWHiddenParentModule::OnExit()
1656 {
1657 if ( ms_hwnd )
1658 {
1659 if ( !::DestroyWindow(ms_hwnd) )
1660 {
1661 wxLogLastError(wxT("DestroyWindow(hidden TLW parent)"));
1662 }
1663
1664 ms_hwnd = NULL;
1665 }
1666
1667 if ( ms_className )
1668 {
1669 if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1670 {
1671 wxLogLastError(wxT("UnregisterClass(\"wxTLWHiddenParent\")"));
1672 }
1673
1674 ms_className = NULL;
1675 }
1676 }
1677
1678 /* static */
1679 HWND wxTLWHiddenParentModule::GetHWND()
1680 {
1681 if ( !ms_hwnd )
1682 {
1683 if ( !ms_className )
1684 {
1685 static const wxChar *HIDDEN_PARENT_CLASS = wxT("wxTLWHiddenParent");
1686
1687 WNDCLASS wndclass;
1688 wxZeroMemory(wndclass);
1689
1690 wndclass.lpfnWndProc = DefWindowProc;
1691 wndclass.hInstance = wxGetInstance();
1692 wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1693
1694 if ( !::RegisterClass(&wndclass) )
1695 {
1696 wxLogLastError(wxT("RegisterClass(\"wxTLWHiddenParent\")"));
1697 }
1698 else
1699 {
1700 ms_className = HIDDEN_PARENT_CLASS;
1701 }
1702 }
1703
1704 ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1705 (HMENU)NULL, wxGetInstance(), NULL);
1706 if ( !ms_hwnd )
1707 {
1708 wxLogLastError(wxT("CreateWindow(hidden TLW parent)"));
1709 }
1710 }
1711
1712 return ms_hwnd;
1713 }