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[wxWidgets.git] / src / os2 / toplevel.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: msw/toplevel.cpp
3 // Purpose: implements wxTopLevelWindow for MSW
4 // Author: Vadim Zeitlin
5 // Modified by:
6 // Created: 30.12.01
7 // RCS-ID: $Id$
8 // Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
9 // License: wxWindows license
10 ///////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #ifdef __GNUG__
21 #pragma implementation "toplevel.h"
22 #endif
23
24 // For compilers that support precompilation, includes "wx.h".
25 #include "wx/wxprec.h"
26
27 #ifdef __BORLANDC__
28 #pragma hdrstop
29 #endif
30
31 #ifndef WX_PRECOMP
32 #include "wx/app.h"
33 #include "wx/toplevel.h"
34 #include "wx/string.h"
35 #include "wx/log.h"
36 #include "wx/intl.h"
37 #include "wx/frame.h"
38 #include "wx/control.h"
39 #endif //WX_PRECOMP
40
41 #include "wx/os2/private.h"
42
43 // ----------------------------------------------------------------------------
44 // stubs for missing functions under MicroWindows
45 // ----------------------------------------------------------------------------
46
47
48 // ----------------------------------------------------------------------------
49 // globals
50 // ----------------------------------------------------------------------------
51
52 // list of all frames and modeless dialogs
53 wxWindowList wxModelessWindows;
54
55 // the name of the default wxWindows class
56 extern void wxAssociateWinWithHandle( HWND hWnd
57 ,wxWindowOS2* pWin
58 );
59
60 // ============================================================================
61 // wxTopLevelWindowMSW implementation
62 // ============================================================================
63
64 // Dialog window proc
65 MRESULT EXPENTRY wxDlgProc( HWND WXUNUSED(hWnd)
66 ,UINT uMessage
67 ,MPARAM WXUNUSED(wParam)
68 ,MPARAM WXUNUSED(lParam)
69 )
70 {
71 if (uMessage == WM_INITDLG)
72 {
73 //
74 // For this message, returning TRUE tells system to set focus to the
75 // first control in the dialog box.
76 //
77 return (MRESULT)TRUE;
78 }
79 else
80 {
81 //
82 // For all the other ones, FALSE means that we didn't process the
83 // message
84 //
85 return (MRESULT)FALSE;
86 }
87 } // end of wxDlgProc
88
89 // ----------------------------------------------------------------------------
90 // wxTopLevelWindowOS2 creation
91 // ----------------------------------------------------------------------------
92
93 void wxTopLevelWindowOS2::Init()
94 {
95 m_bIconized = m_bMaximizeOnShow = FALSE;
96
97 //
98 // Unlike (almost?) all other windows, frames are created hidden
99 //
100 m_isShown = FALSE;
101
102 //
103 // Data to save/restore when calling ShowFullScreen
104 m_lFsStyle = 0;
105 m_lFsOldWindowStyle = 0;
106 m_bFsIsMaximized = FALSE;
107 m_bFsIsShowing = FALSE;
108
109 m_hFrame = NULLHANDLE;
110 memset(&m_vSwp, 0, sizeof(SWP));
111 memset(&m_vSwpClient, 0, sizeof(SWP));
112 } // end of wxTopLevelWindowIOS2::Init
113
114 long wxTopLevelWindowOS2::OS2GetCreateWindowFlags(
115 long* plExflags
116 ) const
117 {
118 long lStyle = GetWindowStyle();
119 long lMsflags = 0;
120
121 if (lStyle == wxDEFAULT_FRAME_STYLE)
122 lMsflags = FCF_SIZEBORDER | FCF_TITLEBAR | FCF_SYSMENU |
123 FCF_MINMAX | FCF_TASKLIST;
124 else
125 {
126 if ((lStyle & wxCAPTION) == wxCAPTION)
127 lMsflags = FCF_TASKLIST;
128 else
129 lMsflags = FCF_NOMOVEWITHOWNER;
130
131 if ((lStyle & wxVSCROLL) == wxVSCROLL)
132 lMsflags |= FCF_VERTSCROLL;
133 if ((lStyle & wxHSCROLL) == wxHSCROLL)
134 lMsflags |= FCF_HORZSCROLL;
135 if (lStyle & wxMINIMIZE_BOX)
136 lMsflags |= FCF_MINBUTTON;
137 if (lStyle & wxMAXIMIZE_BOX)
138 lMsflags |= FCF_MAXBUTTON;
139 if (lStyle & wxTHICK_FRAME)
140 lMsflags |= FCF_DLGBORDER;
141 if (lStyle & wxSYSTEM_MENU)
142 lMsflags |= FCF_SYSMENU;
143 if (lStyle & wxCAPTION)
144 lMsflags |= FCF_TASKLIST;
145 if (lStyle & wxCLIP_CHILDREN)
146 {
147 // Invalid for frame windows under PM
148 }
149
150 if (lStyle & wxTINY_CAPTION_VERT)
151 lMsflags |= FCF_TASKLIST;
152 if (lStyle & wxTINY_CAPTION_HORIZ)
153 lMsflags |= FCF_TASKLIST;
154
155 if ((lStyle & wxTHICK_FRAME) == 0)
156 lMsflags |= FCF_BORDER;
157 if (lStyle & wxFRAME_TOOL_WINDOW)
158 *plExflags = kFrameToolWindow;
159
160 if (lStyle & wxSTAY_ON_TOP)
161 lMsflags |= FCF_SYSMODAL;
162 }
163 return lMsflags;
164 } // end of wxTopLevelWindowOS2::OS2GetCreateWindowFlags
165
166 bool wxTopLevelWindowOS2::CreateDialog(
167 ULONG ulDlgTemplate
168 , const wxString& rsTitle
169 , const wxPoint& rPos
170 , const wxSize& rSize
171 )
172 {
173 wxWindow* pParent = GetParent();
174
175 //
176 // For the dialogs without wxDIALOG_NO_PARENT style, use the top level
177 // app window as parent - this avoids creating modal dialogs without
178 // parent
179 //
180 if (!pParent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT))
181 {
182 pParent = wxTheApp->GetTopWindow();
183
184 if (pParent)
185 {
186 //
187 // Don't use transient windows as parents, this is dangerous as it
188 // can lead to a crash if the parent is destroyed before the child
189 //
190 // also don't use the window which is currently hidden as then the
191 // dialog would be hidden as well
192 if ((pParent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
193 !pParent->IsShown())
194 {
195 pParent = NULL;
196 }
197 }
198 }
199
200 HWND hWndDlg;
201 HWND hWndOwner;
202
203 if (pParent)
204 hWndOwner = GetHwndOf(pParent);
205 else
206 hWndOwner = HWND_DESKTOP;
207
208 hWndDlg = ::WinLoadDlg( HWND_DESKTOP
209 ,hWndOwner
210 ,(PFNWP)wxDlgProc
211 ,NULL
212 ,(ULONG)ulDlgTemplate
213 ,(PVOID)this
214 );
215
216 m_hWnd = (WXHWND) hWndDlg;
217
218 if ( !m_hWnd )
219 {
220 wxFAIL_MSG(_("Did you forget to include wx/os2/wx.rc in your resources?"));
221
222 wxLogSysError(_("Can't create dialog using template '%ul'"), ulDlgTemplate);
223
224 return FALSE;
225 }
226
227 //
228 // Move the dialog to its initial position without forcing repainting
229 //
230 int nX;
231 int nY;
232 int nWidth;
233 int nHeight;
234
235 if (!OS2GetCreateWindowCoords( rPos
236 ,rSize
237 ,nX
238 ,nY
239 ,nWidth
240 ,nHeight
241 ))
242 {
243 nX = nWidth = (int)CW_USEDEFAULT;
244 }
245
246 //
247 // We can't use CW_USEDEFAULT here as we're not calling CreateWindow()
248 // and passing CW_USEDEFAULT to MoveWindow() results in resizing the
249 // window to (0, 0) size which breaks quite a lot of things, e.g. the
250 // sizer calculation in wxSizer::Fit()
251 //
252 if (nWidth == (int)CW_USEDEFAULT)
253 {
254 //
255 // The exact number doesn't matter, the dialog will be resized
256 // again soon anyhow but it should be big enough to allow
257 // calculation relying on "totalSize - clientSize > 0" work, i.e.
258 // at least greater than the title bar height
259 //
260 nWidth = nHeight = 100;
261 }
262 if (nX == (int)CW_USEDEFAULT)
263 {
264 //
265 // Centre it on the screen - what else can we do?
266 //
267 wxSize vSizeDpy = wxGetDisplaySize();
268
269 nX = (vSizeDpy.x - nWidth) / 2;
270 nY = (vSizeDpy.y - nHeight) / 2;
271 }
272 ::WinSetWindowPos( GetHwnd()
273 ,HWND_TOP
274 ,nX
275 ,nY
276 ,nWidth
277 ,nHeight
278 ,SWP_MOVE | SWP_SIZE | SWP_ZORDER | SWP_SHOW
279 );
280 if (!rsTitle.IsNull())
281 {
282 ::WinSetWindowText(GetHwnd(), rsTitle.c_str());
283 }
284 SubclassWin(m_hWnd);
285 return TRUE;
286 } // end of wxTopLevelWindowOS2::CreateDialog
287
288 bool wxTopLevelWindowOS2::CreateFrame(
289 const wxString& rsTitle
290 , const wxPoint& rPos
291 , const wxSize& rSize
292 )
293 {
294 long lExflags;
295 long lFlags = OS2GetCreateWindowFlags(&lExflags);
296 long lStyle = GetWindowStyleFlag();
297 int nX = rPos.x;
298 int nY = rPos.y;
299 int nWidth = rSize.x;
300 int nHeight = rSize.y;
301 ULONG ulStyleFlags = 0L;
302 ERRORID vError;
303 wxString sError;
304 wxWindow* pParent = GetParent();
305 HWND hParent;
306 HWND hFrame;
307 HWND hClient;
308
309 if (pParent)
310 hParent = GetHwndOf(pParent);
311 else
312 hParent = HWND_DESKTOP;
313
314 if ((lStyle & wxMINIMIZE) || (lStyle & wxICONIZE))
315 ulStyleFlags |= WS_MINIMIZED;
316 if (lStyle & wxMAXIMIZE)
317 ulStyleFlags |= WS_MAXIMIZED;
318
319 //
320 // Clear the visible flag, we always call show
321 //
322 ulStyleFlags &= (unsigned long)~WS_VISIBLE;
323 m_bIconized = FALSE;
324
325 //
326 // Create the frame window: We break ranks with other ports now
327 // and instead of calling down into the base wxWindow class' OS2Create
328 // we do all our own stuff here. We will set the needed pieces
329 // of wxWindow manually, here.
330 //
331
332 hFrame = ::WinCreateStdWindow( hParent
333 ,ulStyleFlags // frame-window style
334 ,(PULONG)&lFlags // window style
335 ,(PSZ)wxFrameClassName // class name
336 ,(PSZ)rsTitle.c_str() // window title
337 ,0L // default client style
338 ,NULLHANDLE // resource in executable file
339 ,0 // resource id
340 ,&hClient // receives client window handle
341 );
342 if (!hFrame)
343 {
344 vError = ::WinGetLastError(vHabmain);
345 sError = wxPMErrorToStr(vError);
346 wxLogError("Error creating frame. Error: %s\n", sError);
347 return FALSE;
348 }
349
350 //
351 // wxWindow class' m_hWnd set here and needed associations
352 //
353 m_hFrame = hFrame;
354 m_hWnd = hClient;
355 wxAssociateWinWithHandle(m_hWnd, this);
356 wxAssociateWinWithHandle(m_hFrame, this);
357
358 m_backgroundColour.Set(wxString("GREY"));
359
360 LONG lColor = (LONG)m_backgroundColour.GetPixel();
361
362 if (!::WinSetPresParam( m_hWnd
363 ,PP_BACKGROUNDCOLOR
364 ,sizeof(LONG)
365 ,(PVOID)&lColor
366 ))
367 {
368 vError = ::WinGetLastError(vHabmain);
369 sError = wxPMErrorToStr(vError);
370 wxLogError("Error creating frame. Error: %s\n", sError);
371 return FALSE;
372 }
373
374 //
375 // Now need to subclass window. Instead of calling the SubClassWin in wxWindow
376 // we manually subclass here because we don't want to use the main wxWndProc
377 // by default
378 //
379 m_fnOldWndProc = (WXFARPROC) ::WinSubclassWindow(m_hFrame, (PFNWP)wxFrameMainWndProc);
380
381 //
382 // Now size everything. If adding a menu the client will need to be resized.
383 //
384
385 if (pParent)
386 {
387 nY = pParent->GetSize().y - (nY + nHeight);
388 }
389 else
390 {
391 RECTL vRect;
392
393 ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
394 nY = vRect.yTop - (nY + nHeight);
395 }
396 if (!::WinSetWindowPos( m_hFrame
397 ,HWND_TOP
398 ,nX
399 ,nY
400 ,nWidth
401 ,nHeight
402 ,SWP_SIZE | SWP_MOVE | SWP_ACTIVATE | SWP_ZORDER
403 ))
404 {
405 vError = ::WinGetLastError(vHabmain);
406 sError = wxPMErrorToStr(vError);
407 wxLogError("Error sizing frame. Error: %s\n", sError);
408 return FALSE;
409 }
410 return TRUE;
411 } // end of wxTopLevelWindowOS2::CreateFrame
412
413 bool wxTopLevelWindowOS2::Create(
414 wxWindow* pParent
415 , wxWindowID vId
416 , const wxString& rsTitle
417 , const wxPoint& rPos
418 , const wxSize& rSize
419 , long lStyle
420 , const wxString& rsName
421 )
422 {
423 //
424 // Init our fields
425 //
426 Init();
427 m_windowStyle = lStyle;
428 SetName(rsName);
429 m_windowId = vId == -1 ? NewControlId() : vId;
430 wxTopLevelWindows.Append(this);
431 if (pParent)
432 pParent->AddChild(this);
433
434 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
435 {
436 //
437 // We have different dialog templates to allows creation of dialogs
438 // with & without captions under OS2indows, resizeable or not (but a
439 // resizeable dialog always has caption - otherwise it would look too
440 // strange)
441 //
442 ULONG ulDlgTemplate;
443
444 if (lStyle & wxRESIZE_BORDER)
445 ulDlgTemplate = (ULONG)kResizeableDialog;
446 else if (lStyle & wxCAPTION)
447 ulDlgTemplate = (ULONG)kCaptionDialog;
448 else
449 ulDlgTemplate = (ULONG)kNoCaptionDialog;
450 return CreateDialog( ulDlgTemplate
451 ,rsTitle
452 ,rPos
453 ,rSize
454 );
455 }
456 else // !dialog
457 {
458 return CreateFrame( rsTitle
459 ,rPos
460 ,rSize
461 );
462 }
463 } // end of wxTopLevelWindowOS2::Create
464
465 wxTopLevelWindowOS2::~wxTopLevelWindowOS2()
466 {
467 wxTopLevelWindows.DeleteObject(this);
468
469 if (wxModelessWindows.Find(this))
470 wxModelessWindows.DeleteObject(this);
471
472 //
473 // If this is the last top-level window, exit.
474 //
475 if (wxTheApp && (wxTopLevelWindows.Number() == 0))
476 {
477 wxTheApp->SetTopWindow(NULL);
478 if ( wxTheApp->GetExitOnFrameDelete() )
479 {
480 ::WinPostMsg(NULL, WM_QUIT, 0, 0);
481 }
482 }
483 } // end of wxTopLevelWindowOS2::~wxTopLevelWindowOS2
484
485 //
486 // IF we have child controls in the Frame's client we need to alter
487 // the y position, because, OS/2 controls are positioned relative to
488 // wxWindows orgin (top left) not the OS/2 origin (bottom left)
489 //
490 void wxTopLevelWindowOS2::AlterChildPos()
491 {
492 //
493 // OS/2 is the only OS concerned about this
494 //
495 wxWindow* pChild = NULL;
496 wxControl* pCtrl = NULL;
497 RECTL vRect;
498 SWP vSwp;
499
500 ::WinQueryWindowRect(GetHwnd(), &vRect);
501 for (wxWindowList::Node* pNode = GetChildren().GetFirst();
502 pNode;
503 pNode = pNode->GetNext())
504 {
505 wxWindow* pChild = pNode->GetData();
506
507 ::WinQueryWindowPos(pChild->GetHWND(), &vSwp);
508 vSwp.y += (vRect.yTop - m_vSwpClient.cy);
509 if (pChild->IsKindOf(CLASSINFO(wxControl)))
510 {
511 pCtrl = wxDynamicCast(pChild, wxControl);
512 //
513 // Must deal with controls that have margins like ENTRYFIELD. The SWP
514 // struct of such a control will have and origin offset from its intended
515 // position by the width of the margins.
516 //
517 vSwp.y -= pCtrl->GetYComp();
518 vSwp.x -= pCtrl->GetXComp();
519 }
520 ::WinSetWindowPos( pChild->GetHWND()
521 ,HWND_TOP
522 ,vSwp.x
523 ,vSwp.y
524 ,vSwp.cx
525 ,vSwp.cy
526 ,SWP_MOVE
527 );
528 ::WinQueryWindowPos(pChild->GetHWND(), &vSwp);
529 pChild = NULL;
530 }
531 ::WinQueryWindowPos(GetHwnd(), &m_vSwpClient);
532 } // end of wxTopLevelWindowOS2::AlterChildPos
533
534 void wxTopLevelWindowOS2::UpdateInternalSize(
535 wxWindow* pChild
536 , int nHeight
537 )
538 {
539 pChild->MoveChildren(m_vSwpClient.cy - nHeight);
540 ::WinQueryWindowPos(GetHwnd(), &m_vSwpClient);
541 } // end of wxTopLevelWindowOS2::UpdateInternalSize
542
543 // ----------------------------------------------------------------------------
544 // wxTopLevelWindowOS2 client size
545 // ----------------------------------------------------------------------------
546
547 void wxTopLevelWindowOS2::DoSetClientSize(
548 int nWidth
549 , int nHeight
550 )
551 {
552 //
553 // Call GetClientAreaOrigin() to take the toolbar into account
554 //
555 wxPoint vPt = GetClientAreaOrigin();
556
557 nWidth += vPt.x;
558 nHeight += vPt.y;
559
560 wxWindow::DoSetClientSize( nWidth
561 ,nHeight
562 );
563 } // end of wxTopLevelWindowOS2::DoSetClientSize
564
565 void wxTopLevelWindowOS2::DoGetClientSize(
566 int* pnX
567 , int* pnY
568 ) const
569 {
570 wxWindow::DoGetClientSize( pnX
571 ,pnY
572 );
573
574 wxPoint vPt = GetClientAreaOrigin();
575
576 if (pnX)
577 *pnX -= vPt.x;
578
579 if (pnY)
580 *pnY += vPt.y;
581 } // end of wxTopLevelWindowOS2::DoGetClientSize
582
583 // ----------------------------------------------------------------------------
584 // wxTopLevelWindowOS2 showing
585 // ----------------------------------------------------------------------------
586
587 void wxTopLevelWindowOS2::DoShowWindow(
588 int nShowCmd
589 )
590 {
591 ::WinShowWindow(m_hFrame, (BOOL)nShowCmd);
592 m_bIconized = nShowCmd == SWP_MINIMIZE;
593 } // end of wxTopLevelWindowOS2::DoShowWindow
594
595 bool wxTopLevelWindowOS2::Show(
596 bool bShow
597 )
598 {
599 int nShowCmd;
600 SWP vSwp;
601 RECTL vRect;
602
603 if (bShow)
604 {
605 if (m_bMaximizeOnShow)
606 {
607 nShowCmd = SWP_SHOW;
608 m_bMaximizeOnShow = FALSE;
609 }
610 else
611 {
612 nShowCmd = SWP_HIDE;
613 }
614 }
615 else // hide
616 {
617 nShowCmd = SWP_HIDE;
618 }
619 DoShowWindow(nShowCmd);
620
621 if (bShow)
622 {
623 wxActivateEvent vEvent(wxEVT_ACTIVATE, TRUE, m_windowId);
624
625 ::WinQueryWindowPos(m_hFrame, &vSwp);
626 m_bIconized = vSwp.fl & SWP_MINIMIZE;
627 ::WinQueryWindowPos(m_hWnd, &m_vSwpClient);
628 ::WinSendMsg(m_hFrame, WM_UPDATEFRAME, (MPARAM)~0, 0);
629 ::WinEnableWindow(m_hFrame, TRUE);
630 vEvent.SetEventObject(this);
631 GetEventHandler()->ProcessEvent(vEvent);
632 }
633 else
634 {
635 //
636 // Try to highlight the correct window (the parent)
637 //
638 if (GetParent())
639 {
640 HWND hWndParent = GetHwndOf(GetParent());
641
642 ::WinQueryWindowPos(hWndParent, &vSwp);
643 m_bIconized = vSwp.fl & SWP_MINIMIZE;
644 if (hWndParent)
645 ::WinSetWindowPos( hWndParent
646 ,HWND_TOP
647 ,vSwp.x
648 ,vSwp.y
649 ,vSwp.cx
650 ,vSwp.cy
651 ,SWP_ZORDER | SWP_ACTIVATE | SWP_SHOW | SWP_MOVE
652 );
653 ::WinEnableWindow(hWndParent, TRUE);
654 }
655 }
656 return TRUE;
657 } // end of wxTopLevelWindowOS2::Show
658
659 // ----------------------------------------------------------------------------
660 // wxTopLevelWindowOS2 maximize/minimize
661 // ----------------------------------------------------------------------------
662
663 void wxTopLevelWindowOS2::Maximize(
664 bool bMaximize
665 )
666 {
667 if (IsShown())
668 {
669 //
670 // Just maximize it directly
671 //
672 DoShowWindow(bMaximize ? SWP_MAXIMIZE : SWP_RESTORE);
673 }
674 else // hidden
675 {
676 //
677 // We can't maximize the hidden frame because it shows it as well, so
678 // just remember that we should do it later in this case
679 //
680 m_bMaximizeOnShow = TRUE;
681 }
682 } // end of wxTopLevelWindowOS2::Maximize
683
684 bool wxTopLevelWindowOS2::IsMaximized() const
685 {
686 bool bIconic;
687
688 ::WinQueryWindowPos(m_hFrame, (PSWP)&m_vSwp);
689 return (m_vSwp.fl & SWP_MAXIMIZE);
690 } // end of wxTopLevelWindowOS2::IsMaximized
691
692 void wxTopLevelWindowOS2::Iconize(
693 bool bIconize
694 )
695 {
696 DoShowWindow(bIconize ? SWP_MINIMIZE : SWP_RESTORE);
697 } // end of wxTopLevelWindowOS2::Iconize
698
699 bool wxTopLevelWindowOS2::IsIconized() const
700 {
701 // also update the current state
702 ::WinQueryWindowPos(m_hFrame, (PSWP)&m_vSwp);
703 if (m_vSwp.fl & SWP_MINIMIZE)
704 ((wxTopLevelWindow*)this)->m_bIconized = TRUE;
705 else
706 ((wxTopLevelWindow*)this)->m_bIconized = FALSE;
707 return m_bIconized;
708 } // end of wxTopLevelWindowOS2::IsIconized
709
710 void wxTopLevelWindowOS2::Restore()
711 {
712 DoShowWindow(SWP_RESTORE);
713 } // end of wxTopLevelWindowOS2::Restore
714
715 // ----------------------------------------------------------------------------
716 // wxTopLevelWindowOS2 fullscreen
717 // ----------------------------------------------------------------------------
718
719 bool wxTopLevelWindowOS2::ShowFullScreen(
720 bool bShow
721 , long lStyle
722 )
723 {
724 if (bShow)
725 {
726 if (IsFullScreen())
727 return FALSE;
728
729 m_bFsIsShowing = TRUE;
730 m_lFsStyle = lStyle;
731
732 //
733 // Zap the frame borders
734 //
735
736 //
737 // Save the 'normal' window lStyle
738 //
739 m_lFsOldWindowStyle = ::WinQueryWindowULong( (HWND)GetHWND()
740 ,QWL_STYLE
741 );
742
743 //
744 // Save the old position, width & height, maximize state
745 //
746 m_vFsOldSize = GetRect();
747 m_bFsIsMaximized = IsMaximized();
748
749 //
750 // Decide which window lStyle flags to turn off
751 //
752 LONG lNewStyle = m_lFsOldWindowStyle;
753 LONG lOffFlags = 0;
754
755 if (lStyle & wxFULLSCREEN_NOBORDER)
756 lOffFlags |= FCF_BORDER;
757 if (lStyle & wxFULLSCREEN_NOCAPTION)
758 lOffFlags |= (FCF_TASKLIST | FCF_SYSMENU);
759
760 lNewStyle &= (~lOffFlags);
761
762 //
763 // Change our window style to be compatible with full-screen mode
764 //
765 ::WinSetWindowULong( (HWND)GetHWND()
766 ,QWL_STYLE
767 ,lNewStyle
768 );
769
770 //
771 // Resize to the size of the desktop
772 //
773 int nWidth;
774 int nHeight;
775 RECTL vRect = wxGetWindowRect(HWND_DESKTOP);
776
777 nWidth = vRect.xRight - vRect.xLeft;
778 nHeight = vRect.yTop - vRect.yBottom;
779
780 SetSize( nWidth
781 ,nHeight
782 );
783
784 //
785 // Now flush the window style cache and actually go full-screen
786 //
787 ::WinSetWindowPos( m_hFrame
788 ,HWND_TOP
789 ,0
790 ,0
791 ,nWidth
792 ,nHeight
793 ,SWP_SIZE | SWP_MOVE
794 );
795
796 wxSizeEvent vEvent( wxSize( nWidth
797 ,nHeight
798 )
799 ,GetId()
800 );
801
802 GetEventHandler()->ProcessEvent(vEvent);
803 return TRUE;
804 }
805 else
806 {
807 if (!IsFullScreen())
808 return FALSE;
809
810 m_bFsIsShowing = FALSE;
811 Maximize(m_bFsIsMaximized);
812 ::WinSetWindowULong( (HWND)GetHWND()
813 ,QWL_STYLE
814 ,m_lFsOldWindowStyle
815 );
816 ::WinSetWindowPos( m_hFrame
817 ,HWND_TOP
818 ,m_vFsOldSize.x
819 ,m_vFsOldSize.y
820 ,m_vFsOldSize.width
821 ,m_vFsOldSize.height
822 ,SWP_SIZE | SWP_MOVE
823 );
824 return TRUE;
825 }
826 } // end of wxTopLevelWindowOS2::ShowFullScreen
827
828 // ----------------------------------------------------------------------------
829 // wxTopLevelWindowOS2 misc
830 // ----------------------------------------------------------------------------
831
832 void wxTopLevelWindowOS2::SetIcon(
833 const wxIcon& rIcon
834 )
835 {
836 //
837 // This sets m_icon
838 //
839 wxTopLevelWindowBase::SetIcon(rIcon);
840
841 if (m_icon.Ok())
842 {
843 ::WinSendMsg( m_hFrame
844 ,WM_SETICON
845 ,(MPARAM)((HPOINTER)m_icon.GetHICON())
846 ,NULL
847 );
848 ::WinSendMsg( m_hFrame
849 ,WM_UPDATEFRAME
850 ,(MPARAM)FCF_ICON
851 ,(MPARAM)0
852 );
853 }
854 } // end of wxTopLevelWindowOS2::SetIcon
855
856 bool wxTopLevelWindowOS2::EnableCloseButton(
857 bool bEnable
858 )
859 {
860 //
861 // Get system (a.k.a. window) menu
862 //
863 HMENU hMenu = ::WinWindowFromID(m_hFrame, FID_SYSMENU);
864
865 if (!hMenu)
866 {
867 wxLogLastError(_T("GetSystemMenu"));
868 return FALSE;
869 }
870
871 //
872 // Enabling/disabling the close item from it also automatically
873 // disables/enables the close title bar button
874 //
875 if (bEnable)
876 (void)::WinSendMsg( hMenu
877 ,MM_SETITEMATTR
878 ,MPFROM2SHORT(SC_CLOSE, FALSE)
879 ,MPFROM2SHORT(MIA_DISABLED, FALSE)
880 );
881 else
882 (void)::WinSendMsg( hMenu
883 ,MM_SETITEMATTR
884 ,MPFROM2SHORT(SC_CLOSE, FALSE)
885 ,MPFROM2SHORT(MIA_DISABLED, MIA_DISABLED)
886 );
887
888 //
889 // Update appearance immediately
890 //
891 ::WinSendMsg( m_hFrame
892 ,WM_UPDATEFRAME
893 ,(MPARAM)FCF_MENU
894 ,(MPARAM)0
895 );
896 return TRUE;
897 } // end of wxTopLevelWindowOS2::EnableCloseButton
898
wxWidgets (Impactor)