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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#include "wx/toplevel.h"
28
29#ifndef WX_PRECOMP
30 #include "wx/app.h"
31 #include "wx/dialog.h"
32 #include "wx/string.h"
33 #include "wx/log.h"
34 #include "wx/intl.h"
35 #include "wx/frame.h"
36 #include "wx/containr.h" // wxSetFocusToChild()
37#endif //WX_PRECOMP
38
39#include "wx/module.h"
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#include "wx/msw/wince/missing.h"
51#endif
52
53#include "wx/msw/missing.h"
54#include "wx/msw/winundef.h"
55
56#include "wx/display.h"
57
58#ifndef ICON_BIG
59 #define ICON_BIG 1
60#endif
61
62#ifndef ICON_SMALL
63 #define ICON_SMALL 0
64#endif
65
66// ----------------------------------------------------------------------------
67// stubs for missing functions under MicroWindows
68// ----------------------------------------------------------------------------
69
70#ifdef __WXMICROWIN__
71
72// static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return false; }
73static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return false; }
74
75#endif // __WXMICROWIN__
76
77// NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
78// is not included by wxUniv build which does need wxDlgProc
79LONG APIENTRY _EXPORT
80wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
81
82// ----------------------------------------------------------------------------
83// globals
84// ----------------------------------------------------------------------------
85
86// the name of the default wxWidgets class
87#ifdef __WXWINCE__
88extern wxChar *wxCanvasClassName;
89#else
90extern const wxChar *wxCanvasClassName;
91#endif
92
93// ----------------------------------------------------------------------------
94// wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
95// module to ensure that the window is always deleted)
96// ----------------------------------------------------------------------------
97
98class wxTLWHiddenParentModule : public wxModule
99{
100public:
101 // module init/finalize
102 virtual bool OnInit();
103 virtual void OnExit();
104
105 // get the hidden window (creates on demand)
106 static HWND GetHWND();
107
108private:
109 // the HWND of the hidden parent
110 static HWND ms_hwnd;
111
112 // the class used to create it
113 static const wxChar *ms_className;
114
115 DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
116};
117
118IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
119
120// ============================================================================
121// wxTopLevelWindowMSW implementation
122// ============================================================================
123
124BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
125 EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
126END_EVENT_TABLE()
127
128// ----------------------------------------------------------------------------
129// wxTopLevelWindowMSW creation
130// ----------------------------------------------------------------------------
131
132void wxTopLevelWindowMSW::Init()
133{
134 m_iconized =
135 m_maximizeOnShow = false;
136
137 // Data to save/restore when calling ShowFullScreen
138 m_fsStyle = 0;
139 m_fsOldWindowStyle = 0;
140 m_fsIsMaximized = false;
141 m_fsIsShowing = false;
142
143 m_winLastFocused = (wxWindow *)NULL;
144
145#if defined(__SMARTPHONE__) && defined(__WXWINCE__)
146 m_MenuBarHWND = 0;
147#endif
148
149#if defined(__SMARTPHONE__) || defined(__POCKETPC__)
150 SHACTIVATEINFO* info = new SHACTIVATEINFO;
151 wxZeroMemory(*info);
152 info->cbSize = sizeof(SHACTIVATEINFO);
153
154 m_activateInfo = (void*) info;
155#endif
156}
157
158WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
159{
160 // let the base class deal with the common styles but fix the ones which
161 // don't make sense for us (we also deal with the borders ourselves)
162 WXDWORD msflags = wxWindow::MSWGetStyle
163 (
164 (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
165 ) & ~WS_CHILD & ~WS_VISIBLE;
166
167 // For some reason, WS_VISIBLE needs to be defined on creation for
168 // SmartPhone 2003. The title can fail to be displayed otherwise.
169#if defined(__SMARTPHONE__) || (defined(__WXWINCE__) && _WIN32_WCE < 400)
170 msflags |= WS_VISIBLE;
171 ((wxTopLevelWindowMSW*)this)->wxWindowBase::Show(true);
172#endif
173
174 // first select the kind of window being created
175 //
176 // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
177 // creates a window with both caption and border, hence we need to use
178 // WS_POPUP in a few cases just to avoid having caption/border which we
179 // don't want
180
181 // border and caption styles
182 if ( ( style & wxRESIZE_BORDER ) && !IsAlwaysMaximized())
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
193 // normally we consider that all windows without a caption must be popups,
194 // but CE is an exception: there windows normally do not have the caption
195 // but shouldn't be made popups as popups can't have menus and don't look
196 // like normal windows anyhow
197
198 // TODO: Smartphone appears to like wxCAPTION, but we should check that
199 // we need it.
200#if defined(__SMARTPHONE__) || !defined(__WXWINCE__)
201 if ( style & wxCAPTION )
202 msflags |= WS_CAPTION;
203#ifndef __WXWINCE__
204 else
205 msflags |= WS_POPUP;
206#endif // !__WXWINCE__
207#endif
208
209 // next translate the individual flags
210
211 // WS_EX_CONTEXTHELP is incompatible with WS_MINIMIZEBOX and WS_MAXIMIZEBOX
212 // and is ignored if we specify both of them, but chances are that if we
213 // use wxFRAME_EX_CONTEXTHELP, we really do want to have the context help
214 // button while wxMINIMIZE/wxMAXIMIZE are included by default, so the help
215 // takes precedence
216 if ( !(GetExtraStyle() & wxFRAME_EX_CONTEXTHELP) )
217 {
218 if ( style & wxMINIMIZE_BOX )
219 msflags |= WS_MINIMIZEBOX;
220 if ( style & wxMAXIMIZE_BOX )
221 msflags |= WS_MAXIMIZEBOX;
222 }
223
224#ifndef __WXWINCE__
225 if ( style & wxSYSTEM_MENU )
226 msflags |= WS_SYSMENU;
227#endif
228
229 // NB: under CE these 2 styles are not supported currently, we should
230 // call Minimize()/Maximize() "manually" if we want to support them
231 if ( style & wxMINIMIZE )
232 msflags |= WS_MINIMIZE;
233
234 if ( style & wxMAXIMIZE )
235 msflags |= WS_MAXIMIZE;
236
237 // Keep this here because it saves recoding this function in wxTinyFrame
238 if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
239 msflags |= WS_CAPTION;
240
241 if ( exflags )
242 {
243 // there is no taskbar under CE, so omit all this
244#if !defined(__WXWINCE__)
245 if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
246 {
247 if ( style & wxFRAME_TOOL_WINDOW )
248 {
249 // create the palette-like window
250 *exflags |= WS_EX_TOOLWINDOW;
251
252 // tool windows shouldn't appear on the taskbar (as documented)
253 style |= wxFRAME_NO_TASKBAR;
254 }
255
256 // We have to solve 2 different problems here:
257 //
258 // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
259 // taskbar even if they don't have a parent
260 //
261 // 2. frames without this style should appear in the taskbar even
262 // if they're owned (Windows only puts non owned windows into
263 // the taskbar normally)
264 //
265 // The second one is solved here by using WS_EX_APPWINDOW flag, the
266 // first one is dealt with in our MSWGetParent() method
267 // implementation
268 if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
269 {
270 // need to force the frame to appear in the taskbar
271 *exflags |= WS_EX_APPWINDOW;
272 }
273 //else: nothing to do [here]
274 }
275
276 if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
277 *exflags |= WS_EX_CONTEXTHELP;
278#endif // !__WXWINCE__
279
280 if ( style & wxSTAY_ON_TOP )
281 *exflags |= WS_EX_TOPMOST;
282 }
283
284 return msflags;
285}
286
287WXHWND wxTopLevelWindowMSW::MSWGetParent() const
288{
289 // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
290 // parent HWND or it would be always on top of its parent which is not what
291 // we usually want (in fact, we only want it for frames with the
292 // wxFRAME_FLOAT_ON_PARENT flag)
293 HWND hwndParent = NULL;
294 if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
295 {
296 const wxWindow *parent = GetParent();
297
298 if ( !parent )
299 {
300 // this flag doesn't make sense then and will be ignored
301 wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
302 }
303 else
304 {
305 hwndParent = GetHwndOf(parent);
306 }
307 }
308 //else: don't float on parent, must not be owned
309
310 // now deal with the 2nd taskbar-related problem (see comments above in
311 // MSWGetStyle())
312 if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
313 {
314 // use hidden parent
315 hwndParent = wxTLWHiddenParentModule::GetHWND();
316 }
317
318 return (WXHWND)hwndParent;
319}
320
321#if defined(__SMARTPHONE__) || defined(__POCKETPC__)
322bool wxTopLevelWindowMSW::HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam)
323{
324 SHACTIVATEINFO *info = (SHACTIVATEINFO*) m_activateInfo;
325 if ( info )
326 {
327 SHHandleWMSettingChange(GetHwnd(), wParam, lParam, info);
328 }
329
330 return wxWindowMSW::HandleSettingChange(wParam, lParam);
331}
332#endif
333
334bool wxTopLevelWindowMSW::MSWProcessMessage(WXMSG* pMsg)
335{
336 // MSW specific feature: if the dialog has only one notebook-like child
337 // window (actually it could be any window that returns true from its
338 // HasMultiplePages()), then [Shift-]Ctrl-Tab and Ctrl-PageUp/Down keys
339 // should iterate over its pages even if the focus is outside of the
340 // control because this is how the standard MSW properties dialogs behave
341 if ( pMsg->message == WM_KEYDOWN && wxIsCtrlDown() &&
342 (pMsg->wParam == VK_TAB ||
343 pMsg->wParam == VK_PRIOR ||
344 pMsg->wParam == VK_NEXT) )
345 {
346 // check if we have a unique notebook-like child
347 wxWindow *bookctrl = NULL;
348 for ( wxWindowList::const_iterator i = GetChildren().begin(),
349 end = GetChildren().end();
350 i != end;
351 ++i )
352 {
353 wxWindow * const window = *i;
354 if ( window->HasMultiplePages() )
355 {
356 if ( bookctrl )
357 {
358 // this is the second book-like control already so don't do
359 // anything as we don't know which one should have its page
360 // changed
361 bookctrl = NULL;
362 break;
363 }
364
365 bookctrl = window;
366 }
367 }
368
369 if ( bookctrl && bookctrl->wxWindowMSW::MSWProcessMessage(pMsg) )
370 return true;
371 }
372
373 return wxTopLevelWindowBase::MSWProcessMessage(pMsg);
374}
375
376WXLRESULT wxTopLevelWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
377{
378 WXLRESULT rc = 0;
379 bool processed = false;
380
381#if defined(__SMARTPHONE__) || defined(__POCKETPC__)
382 switch ( message )
383 {
384 case WM_ACTIVATE:
385 {
386 SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
387 if (info)
388 {
389 DWORD flags = 0;
390 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) flags = SHA_INPUTDIALOG;
391 SHHandleWMActivate(GetHwnd(), wParam, lParam, info, flags);
392 }
393
394 // This implicitly sends a wxEVT_ACTIVATE_APP event
395 if (wxTheApp)
396 wxTheApp->SetActive(wParam != 0, FindFocus());
397
398 break;
399 }
400 case WM_HIBERNATE:
401 {
402 if (wxTheApp)
403 {
404 wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY);
405 event.SetEventObject(wxTheApp);
406 processed = wxTheApp->ProcessEvent(event);
407 }
408 break;
409 }
410 }
411#endif
412
413 if ( !processed )
414 rc = wxTopLevelWindowBase::MSWWindowProc(message, wParam, lParam);
415
416 return rc;
417}
418
419bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
420 const wxString& title,
421 const wxPoint& pos,
422 const wxSize& size)
423{
424#ifdef __WXMICROWIN__
425 // no dialogs support under MicroWin yet
426 return CreateFrame(title, pos, size);
427#else // !__WXMICROWIN__
428 wxWindow *parent = GetParent();
429
430 // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
431 // app window as parent - this avoids creating modal dialogs without
432 // parent
433 if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
434 {
435 parent = wxTheApp->GetTopWindow();
436
437 if ( parent )
438 {
439 // don't use transient windows as parents, this is dangerous as it
440 // can lead to a crash if the parent is destroyed before the child
441 //
442 // also don't use the window which is currently hidden as then the
443 // dialog would be hidden as well
444 if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
445 !parent->IsShown() )
446 {
447 parent = NULL;
448 }
449 }
450 }
451
452 m_hWnd = (WXHWND)::CreateDialogIndirect
453 (
454 wxGetInstance(),
455 (DLGTEMPLATE*)dlgTemplate,
456 parent ? GetHwndOf(parent) : NULL,
457 (DLGPROC)wxDlgProc
458 );
459
460 if ( !m_hWnd )
461 {
462 wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
463
464 wxLogSysError(wxT("Can't create dialog using memory template"));
465
466 return false;
467 }
468
469 WXDWORD exflags;
470 (void)MSWGetCreateWindowFlags(&exflags);
471
472 if ( exflags )
473 {
474 ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
475 ::SetWindowPos(GetHwnd(),
476 exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
477 0, 0, 0, 0,
478 SWP_NOSIZE |
479 SWP_NOMOVE |
480 (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
481 SWP_NOACTIVATE);
482 }
483
484#if !defined(__WXWINCE__)
485 // For some reason, the system menu is activated when we use the
486 // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
487 if ( exflags & WS_EX_CONTEXTHELP )
488 {
489 wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
490 if ( winTop )
491 {
492 wxIcon icon = winTop->GetIcon();
493 if ( icon.Ok() )
494 {
495 ::SendMessage(GetHwnd(), WM_SETICON,
496 (WPARAM)TRUE,
497 (LPARAM)GetHiconOf(icon));
498 }
499 }
500 }
501#endif
502
503 // move the dialog to its initial position without forcing repainting
504 int x, y, w, h;
505 (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
506
507 if ( x == (int)CW_USEDEFAULT )
508 {
509 // centre it on the screen - what else can we do?
510 wxSize sizeDpy = wxGetDisplaySize();
511
512 x = (sizeDpy.x - w) / 2;
513 y = (sizeDpy.y - h) / 2;
514 }
515
516#if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
517 if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
518 {
519 wxLogLastError(wxT("MoveWindow"));
520 }
521#endif
522
523 if ( !title.empty() )
524 {
525 ::SetWindowText(GetHwnd(), title);
526 }
527
528 SubclassWin(m_hWnd);
529
530#ifdef __SMARTPHONE__
531 // Work around title non-display glitch
532 Show(false);
533#endif
534
535 return true;
536#endif // __WXMICROWIN__/!__WXMICROWIN__
537}
538
539bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
540 const wxPoint& pos,
541 const wxSize& size)
542{
543 WXDWORD exflags;
544 WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
545
546 const wxSize sz = IsAlwaysMaximized() ? wxDefaultSize : size;
547
548 return MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
549}
550
551bool wxTopLevelWindowMSW::Create(wxWindow *parent,
552 wxWindowID id,
553 const wxString& title,
554 const wxPoint& pos,
555 const wxSize& size,
556 long style,
557 const wxString& name)
558{
559 bool ret wxDUMMY_INITIALIZE(false);
560
561 // init our fields
562 Init();
563
564 wxSize sizeReal = size;
565 if ( !sizeReal.IsFullySpecified() )
566 {
567 sizeReal.SetDefaults(GetDefaultSize());
568 }
569
570 m_windowStyle = style;
571
572 SetName(name);
573
574 m_windowId = id == wxID_ANY ? NewControlId() : id;
575
576 wxTopLevelWindows.Append(this);
577
578 if ( parent )
579 parent->AddChild(this);
580
581 if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
582 {
583 // we have different dialog templates to allows creation of dialogs
584 // with & without captions under MSWindows, resizeable or not (but a
585 // resizeable dialog always has caption - otherwise it would look too
586 // strange)
587
588 // we need 3 additional WORDs for dialog menu, class and title (as we
589 // don't use DS_SETFONT we don't need the fourth WORD for the font)
590 static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
591 DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
592 memset(dlgTemplate, 0, dlgsize);
593
594 // these values are arbitrary, they won't be used normally anyhow
595 dlgTemplate->x = 34;
596 dlgTemplate->y = 22;
597 dlgTemplate->cx = 144;
598 dlgTemplate->cy = 75;
599
600 // reuse the code in MSWGetStyle() but correct the results slightly for
601 // the dialog
602 dlgTemplate->style = MSWGetStyle(style, NULL);
603
604 // all dialogs are popups
605 dlgTemplate->style |= WS_POPUP;
606
607#ifndef __WXWINCE__
608 // force 3D-look if necessary, it looks impossibly ugly otherwise
609 if ( style & (wxRESIZE_BORDER | wxCAPTION) )
610 dlgTemplate->style |= DS_MODALFRAME;
611#endif
612
613 ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
614 free(dlgTemplate);
615 }
616 else // !dialog
617 {
618 ret = CreateFrame(title, pos, sizeReal);
619 }
620
621#ifndef __WXWINCE__
622 if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
623 {
624 EnableCloseButton(false);
625 }
626#endif
627
628 // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
629 // itself but for custom windows we have to do it ourselves in order to
630 // make the keyboard indicators (such as underlines for accelerators and
631 // focus rectangles) work under Win2k+
632 if ( ret )
633 {
634 MSWUpdateUIState(UIS_INITIALIZE);
635 }
636
637 // Note: if we include PocketPC in this test, dialogs can fail to show up,
638 // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
639#if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
640 if ( ( style & wxMAXIMIZE ) || IsAlwaysMaximized() )
641 {
642 this->Maximize();
643 }
644#endif
645
646#if defined(__SMARTPHONE__) && defined(__WXWINCE__)
647 SetRightMenu(); // to nothing for initialization
648#endif
649
650 return ret;
651}
652
653wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
654{
655#if defined(__SMARTPHONE__) || defined(__POCKETPC__)
656 SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
657 delete info;
658 m_activateInfo = NULL;
659#endif
660
661 // after destroying an owned window, Windows activates the next top level
662 // window in Z order but it may be different from our owner (to reproduce
663 // this simply Alt-TAB to another application and back before closing the
664 // owned frame) whereas we always want to yield activation to our parent
665 if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
666 {
667 wxWindow *parent = GetParent();
668 if ( parent )
669 {
670 ::BringWindowToTop(GetHwndOf(parent));
671 }
672 }
673}
674
675// ----------------------------------------------------------------------------
676// wxTopLevelWindowMSW showing
677// ----------------------------------------------------------------------------
678
679void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
680{
681 ::ShowWindow(GetHwnd(), nShowCmd);
682
683 m_iconized = nShowCmd == SW_MINIMIZE;
684}
685
686bool wxTopLevelWindowMSW::Show(bool show)
687{
688 // don't use wxWindow version as we want to call DoShowWindow() ourselves
689 if ( !wxWindowBase::Show(show) )
690 return false;
691
692 int nShowCmd;
693 if ( show )
694 {
695 if ( m_maximizeOnShow )
696 {
697 // show and maximize
698 nShowCmd = SW_MAXIMIZE;
699
700 // This is necessary, or no window appears
701#if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
702 DoShowWindow(SW_SHOW);
703#endif
704
705 m_maximizeOnShow = false;
706 }
707 else // just show
708 {
709 if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
710 nShowCmd = SW_SHOWNA;
711 else
712 nShowCmd = SW_SHOW;
713 }
714 }
715 else // hide
716 {
717 nShowCmd = SW_HIDE;
718 }
719
720 DoShowWindow(nShowCmd);
721
722#if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
723 // Addornments have to be added when the frame is the correct size
724 wxFrame* frame = wxDynamicCast(this, wxFrame);
725 if (frame && frame->GetMenuBar())
726 frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
727#endif
728
729 // we only set pending size if we're maximized before being shown, now that
730 // we're shown we don't need it any more (it is reset in size event handler
731 // for child windows but we have to do it ourselves for this parent window)
732 m_pendingSize = wxDefaultSize;
733
734 return true;
735}
736
737// ----------------------------------------------------------------------------
738// wxTopLevelWindowMSW maximize/minimize
739// ----------------------------------------------------------------------------
740
741void wxTopLevelWindowMSW::Maximize(bool maximize)
742{
743 if ( IsShown() )
744 {
745 // just maximize it directly
746 DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
747 }
748 else // hidden
749 {
750 // we can't maximize the hidden frame because it shows it as well,
751 // so just remember that we should do it later in this case
752 m_maximizeOnShow = maximize;
753
754 // after calling Maximize() the client code expects to get the frame
755 // "real" size and doesn't want to know that, because of implementation
756 // details, the frame isn't really maximized yet but will be only once
757 // it's shown, so return our size as it will be then in this case
758 if ( maximize )
759 {
760 // we must only change pending size here, and not call SetSize()
761 // because otherwise Windows would think that this (full screen)
762 // size is the natural size for the frame and so would use it when
763 // the user clicks on "restore" title bar button instead of the
764 // correct initial frame size
765 //
766 // NB: unfortunately we don't know which display we're on yet so we
767 // have to use the default one
768 m_pendingSize = wxGetClientDisplayRect().GetSize();
769 }
770 //else: can't do anything in this case, we don't have the old size
771 }
772}
773
774bool wxTopLevelWindowMSW::IsMaximized() const
775{
776 return IsAlwaysMaximized() ||
777#if !defined(__SMARTPHONE__) && !defined(__POCKETPC__)
778 (::IsZoomed(GetHwnd()) != 0) ||
779#endif
780 m_maximizeOnShow;
781}
782
783void wxTopLevelWindowMSW::Iconize(bool iconize)
784{
785 DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
786}
787
788bool wxTopLevelWindowMSW::IsIconized() const
789{
790#ifdef __WXWINCE__
791 return false;
792#else
793 // don't use m_iconized, it may be briefly out of sync with the real state
794 // as it's only modified when we receive a WM_SIZE and we could be called
795 // from an event handler from one of the messages we receive before it,
796 // such as WM_MOVE
797 return ::IsIconic(GetHwnd()) != 0;
798#endif
799}
800
801void wxTopLevelWindowMSW::Restore()
802{
803 DoShowWindow(SW_RESTORE);
804}
805
806// ----------------------------------------------------------------------------
807// wxTopLevelWindowMSW fullscreen
808// ----------------------------------------------------------------------------
809
810bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
811{
812 if ( show == IsFullScreen() )
813 {
814 // nothing to do
815 return true;
816 }
817
818 m_fsIsShowing = show;
819
820 if ( show )
821 {
822 m_fsStyle = style;
823
824 // zap the frame borders
825
826 // save the 'normal' window style
827 m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
828
829 // save the old position, width & height, maximize state
830 m_fsOldSize = GetRect();
831 m_fsIsMaximized = IsMaximized();
832
833 // decide which window style flags to turn off
834 LONG newStyle = m_fsOldWindowStyle;
835 LONG offFlags = 0;
836
837 if (style & wxFULLSCREEN_NOBORDER)
838 {
839 offFlags |= WS_BORDER;
840#ifndef __WXWINCE__
841 offFlags |= WS_THICKFRAME;
842#endif
843 }
844 if (style & wxFULLSCREEN_NOCAPTION)
845 offFlags |= WS_CAPTION | WS_SYSMENU;
846
847 newStyle &= ~offFlags;
848
849 // change our window style to be compatible with full-screen mode
850 ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
851
852 wxRect rect;
853#if wxUSE_DISPLAY
854 // resize to the size of the display containing us
855 int dpy = wxDisplay::GetFromWindow(this);
856 if ( dpy != wxNOT_FOUND )
857 {
858 rect = wxDisplay(dpy).GetGeometry();
859 }
860 else // fall back to the main desktop
861#endif // wxUSE_DISPLAY
862 {
863 // resize to the size of the desktop
864 wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
865#ifdef __WXWINCE__
866 // FIXME: size of the bottom menu (toolbar)
867 // should be taken in account
868 rect.height += rect.y;
869 rect.y = 0;
870#endif
871 }
872
873 SetSize(rect);
874
875 // now flush the window style cache and actually go full-screen
876 long flags = SWP_FRAMECHANGED;
877
878 // showing the frame full screen should also show it if it's still
879 // hidden
880 if ( !IsShown() )
881 {
882 // don't call wxWindow version to avoid flicker from calling
883 // ::ShowWindow() -- we're going to show the window at the correct
884 // location directly below -- but do call the wxWindowBase version
885 // to sync the internal m_isShown flag
886 wxWindowBase::Show();
887
888 flags |= SWP_SHOWWINDOW;
889 }
890
891 SetWindowPos(GetHwnd(), HWND_TOP,
892 rect.x, rect.y, rect.width, rect.height,
893 flags);
894
895#if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
896 ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
897#endif
898
899 // finally send an event allowing the window to relayout itself &c
900 wxSizeEvent event(rect.GetSize(), GetId());
901 GetEventHandler()->ProcessEvent(event);
902 }
903 else // stop showing full screen
904 {
905#if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
906 ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
907#endif
908 Maximize(m_fsIsMaximized);
909 SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
910 SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
911 m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
912 }
913
914 return true;
915}
916
917// ----------------------------------------------------------------------------
918// wxTopLevelWindowMSW misc
919// ----------------------------------------------------------------------------
920
921void wxTopLevelWindowMSW::SetTitle( const wxString& title)
922{
923 SetLabel(title);
924}
925
926wxString wxTopLevelWindowMSW::GetTitle() const
927{
928 return GetLabel();
929}
930
931void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
932{
933 SetIcons( wxIconBundle( icon ) );
934}
935
936void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
937{
938 wxTopLevelWindowBase::SetIcons(icons);
939
940#if !defined(__WXMICROWIN__)
941 const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
942 if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
943 {
944 ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
945 (LPARAM)GetHiconOf(sml) );
946 }
947
948 const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
949 if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
950 {
951 ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
952 (LPARAM)GetHiconOf(big) );
953 }
954#endif // !__WXMICROWIN__
955}
956
957bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
958{
959#if !defined(__WXMICROWIN__)
960 // get system (a.k.a. window) menu
961 HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
962 if ( !hmenu )
963 {
964 // no system menu at all -- ok if we want to remove the close button
965 // anyhow, but bad if we want to show it
966 return !enable;
967 }
968
969 // enabling/disabling the close item from it also automatically
970 // disables/enables the close title bar button
971 if ( ::EnableMenuItem(hmenu, SC_CLOSE,
972 MF_BYCOMMAND |
973 (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
974 {
975 wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
976
977 return false;
978 }
979#ifndef __WXWINCE__
980 // update appearance immediately
981 if ( !::DrawMenuBar(GetHwnd()) )
982 {
983 wxLogLastError(_T("DrawMenuBar"));
984 }
985#endif
986#endif // !__WXMICROWIN__
987
988 return true;
989}
990
991#ifndef __WXWINCE__
992
993bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
994{
995 wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
996 _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
997
998 // The empty region signifies that the shape should be removed from the
999 // window.
1000 if ( region.IsEmpty() )
1001 {
1002 if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
1003 {
1004 wxLogLastError(_T("SetWindowRgn"));
1005 return false;
1006 }
1007 return true;
1008 }
1009
1010 // Windows takes ownership of the region, so
1011 // we'll have to make a copy of the region to give to it.
1012 DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
1013 RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
1014 ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
1015 HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
1016 delete[] (char*) rgnData;
1017
1018 // SetWindowRgn expects the region to be in coordinants
1019 // relative to the window, not the client area. Figure
1020 // out the offset, if any.
1021 RECT rect;
1022 DWORD dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE);
1023 DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1024 ::GetClientRect(GetHwnd(), &rect);
1025 ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
1026 ::OffsetRgn(hrgn, -rect.left, -rect.top);
1027
1028 // Now call the shape API with the new region.
1029 if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
1030 {
1031 wxLogLastError(_T("SetWindowRgn"));
1032 return false;
1033 }
1034 return true;
1035}
1036
1037#endif // !__WXWINCE__
1038
1039void wxTopLevelWindowMSW::RequestUserAttention(int flags)
1040{
1041 // check if we can use FlashWindowEx(): unfortunately a simple test for
1042 // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
1043 // provide FlashWindowEx() declaration, so try to detect whether we have
1044 // real headers for WINVER 0x0500 by checking for existence of a symbol not
1045 // declated in MSVC6 header
1046#if defined(FLASHW_STOP) && defined(VK_XBUTTON1)
1047 // available in the headers, check if it is supported by the system
1048 typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
1049 FlashWindowEx_t s_pfnFlashWindowEx = NULL;
1050 if ( !s_pfnFlashWindowEx )
1051 {
1052 wxDynamicLibrary dllUser32(_T("user32.dll"));
1053 s_pfnFlashWindowEx = (FlashWindowEx_t)
1054 dllUser32.GetSymbol(_T("FlashWindowEx"));
1055
1056 // we can safely unload user32.dll here, it's going to remain loaded as
1057 // long as the program is running anyhow
1058 }
1059
1060 if ( s_pfnFlashWindowEx )
1061 {
1062 WinStruct<FLASHWINFO> fwi;
1063 fwi.hwnd = GetHwnd();
1064 fwi.dwFlags = FLASHW_ALL;
1065 if ( flags & wxUSER_ATTENTION_INFO )
1066 {
1067 // just flash a few times
1068 fwi.uCount = 3;
1069 }
1070 else // wxUSER_ATTENTION_ERROR
1071 {
1072 // flash until the user notices it
1073 fwi.dwFlags |= FLASHW_TIMERNOFG;
1074 }
1075
1076 s_pfnFlashWindowEx(&fwi);
1077 }
1078 else // FlashWindowEx() not available
1079#endif // FlashWindowEx() defined
1080 {
1081 wxUnusedVar(flags);
1082#ifndef __WXWINCE__
1083 ::FlashWindow(GetHwnd(), TRUE);
1084#endif // __WXWINCE__
1085 }
1086}
1087
1088// ---------------------------------------------------------------------------
1089
1090bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha)
1091{
1092 typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD);
1093 static PSETLAYEREDWINDOWATTR pSetLayeredWindowAttributes = NULL;
1094
1095 if ( pSetLayeredWindowAttributes == NULL )
1096 {
1097 wxDynamicLibrary dllUser32(_T("user32.dll"));
1098 pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)
1099 dllUser32.GetSymbol(wxT("SetLayeredWindowAttributes"));
1100 }
1101 if ( pSetLayeredWindowAttributes == NULL )
1102 return false;
1103
1104 LONG exstyle = GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1105
1106 // if setting alpha to fully opaque then turn off the layered style
1107 if (alpha == 255)
1108 {
1109 SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle & ~WS_EX_LAYERED);
1110 Refresh();
1111 return true;
1112 }
1113
1114 // Otherwise, set the layered style if needed and set the alpha value
1115 if ((exstyle & WS_EX_LAYERED) == 0 )
1116 SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED);
1117
1118 return pSetLayeredWindowAttributes(GetHwnd(), 0, (BYTE)alpha, LWA_ALPHA) != 0;
1119}
1120
1121bool wxTopLevelWindowMSW::CanSetTransparent()
1122{
1123 // The API is available on win2k and above
1124
1125 static int os_type = -1;
1126 static int ver_major = -1;
1127
1128 if (os_type == -1)
1129 os_type = ::wxGetOsVersion(&ver_major);
1130
1131 return (os_type == wxWINDOWS_NT && ver_major >= 5);
1132}
1133
1134// ----------------------------------------------------------------------------
1135// wxTopLevelWindow event handling
1136// ----------------------------------------------------------------------------
1137
1138// Default activation behaviour - set the focus for the first child
1139// subwindow found.
1140void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1141{
1142 if ( event.GetActive() )
1143 {
1144 // restore focus to the child which was last focused unless we already
1145 // have it
1146 wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
1147
1148 wxWindow *winFocus = FindFocus();
1149 if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1150 {
1151 wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1152 : NULL;
1153 if ( !parent )
1154 {
1155 parent = this;
1156 }
1157
1158 wxSetFocusToChild(parent, &m_winLastFocused);
1159 }
1160 }
1161 else // deactivating
1162 {
1163 // remember the last focused child if it is our child
1164 m_winLastFocused = FindFocus();
1165
1166 if ( m_winLastFocused )
1167 {
1168 // let it know that it doesn't have focus any more
1169 m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1170
1171 // and don't remember it if it's a child from some other frame
1172 if ( wxGetTopLevelParent(m_winLastFocused) != this )
1173 {
1174 m_winLastFocused = NULL;
1175 }
1176 }
1177
1178 wxLogTrace(_T("focus"),
1179 _T("wxTLW %08x deactivated, last focused: %08x."),
1180 (int) m_hWnd,
1181 (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
1182 : NULL));
1183
1184 event.Skip();
1185 }
1186}
1187
1188// the DialogProc for all wxWidgets dialogs
1189LONG APIENTRY _EXPORT
1190wxDlgProc(HWND hDlg,
1191 UINT message,
1192 WPARAM WXUNUSED(wParam),
1193 LPARAM WXUNUSED(lParam))
1194{
1195 switch ( message )
1196 {
1197 case WM_INITDIALOG:
1198 {
1199 // under CE, add a "Ok" button in the dialog title bar and make it full
1200 // screen
1201 //
1202 // TODO: find the window for this HWND, and take into account
1203 // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1204 //
1205 // Standard SDK doesn't have aygshell.dll: see
1206 // include/wx/msw/wince/libraries.h
1207#if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1208 SHINITDLGINFO shidi;
1209 shidi.dwMask = SHIDIM_FLAGS;
1210 shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1211#ifndef __SMARTPHONE__
1212 | SHIDIF_DONEBUTTON
1213#endif
1214 ;
1215 shidi.hDlg = hDlg;
1216 SHInitDialog( &shidi );
1217#else // no SHInitDialog()
1218 wxUnusedVar(hDlg);
1219#endif
1220 // for WM_INITDIALOG, returning TRUE tells system to set focus to
1221 // the first control in the dialog box, but as we set the focus
1222 // ourselves, we return FALSE for it as well
1223 return FALSE;
1224 }
1225 }
1226
1227 // for almost all messages, returning FALSE means that we didn't process
1228 // the message
1229 return FALSE;
1230}
1231
1232// ============================================================================
1233// wxTLWHiddenParentModule implementation
1234// ============================================================================
1235
1236HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1237
1238const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1239
1240bool wxTLWHiddenParentModule::OnInit()
1241{
1242 ms_hwnd = NULL;
1243 ms_className = NULL;
1244
1245 return true;
1246}
1247
1248void wxTLWHiddenParentModule::OnExit()
1249{
1250 if ( ms_hwnd )
1251 {
1252 if ( !::DestroyWindow(ms_hwnd) )
1253 {
1254 wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1255 }
1256
1257 ms_hwnd = NULL;
1258 }
1259
1260 if ( ms_className )
1261 {
1262 if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1263 {
1264 wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1265 }
1266
1267 ms_className = NULL;
1268 }
1269}
1270
1271/* static */
1272HWND wxTLWHiddenParentModule::GetHWND()
1273{
1274 if ( !ms_hwnd )
1275 {
1276 if ( !ms_className )
1277 {
1278 static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1279
1280 WNDCLASS wndclass;
1281 wxZeroMemory(wndclass);
1282
1283 wndclass.lpfnWndProc = DefWindowProc;
1284 wndclass.hInstance = wxGetInstance();
1285 wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1286
1287 if ( !::RegisterClass(&wndclass) )
1288 {
1289 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1290 }
1291 else
1292 {
1293 ms_className = HIDDEN_PARENT_CLASS;
1294 }
1295 }
1296
1297 ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1298 (HMENU)NULL, wxGetInstance(), NULL);
1299 if ( !ms_hwnd )
1300 {
1301 wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1302 }
1303 }
1304
1305 return ms_hwnd;
1306}