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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 SubclassWin(m_hWnd);
281 return TRUE;
282 } // end of wxTopLevelWindowOS2::CreateDialog
283
284 bool wxTopLevelWindowOS2::CreateFrame(
285 const wxString& rsTitle
286 , const wxPoint& rPos
287 , const wxSize& rSize
288 )
289 {
290 long lExflags;
291 long lFlags = OS2GetCreateWindowFlags(&lExflags);
292 long lStyle = GetWindowStyleFlag();
293 int nX = rPos.x;
294 int nY = rPos.y;
295 int nWidth = rSize.x;
296 int nHeight = rSize.y;
297 ULONG ulStyleFlags = 0L;
298 ERRORID vError;
299 wxString sError;
300 wxWindow* pParent = GetParent();
301 HWND hParent;
302 HWND hFrame;
303 HWND hClient;
304
305 if (pParent)
306 hParent = GetHwndOf(pParent);
307 else
308 hParent = HWND_DESKTOP;
309
310 if ((lStyle & wxMINIMIZE) || (lStyle & wxICONIZE))
311 ulStyleFlags |= WS_MINIMIZED;
312 if (lStyle & wxMAXIMIZE)
313 ulStyleFlags |= WS_MAXIMIZED;
314
315 //
316 // Clear the visible flag, we always call show
317 //
318 ulStyleFlags &= (unsigned long)~WS_VISIBLE;
319 m_bIconized = FALSE;
320
321 //
322 // Create the frame window: We break ranks with other ports now
323 // and instead of calling down into the base wxWindow class' OS2Create
324 // we do all our own stuff here. We will set the needed pieces
325 // of wxWindow manually, here.
326 //
327
328 hFrame = ::WinCreateStdWindow( hParent
329 ,ulStyleFlags // frame-window style
330 ,(PULONG)&lFlags // window style
331 ,(PSZ)wxFrameClassName // class name
332 ,(PSZ)rsTitle.c_str() // window title
333 ,0L // default client style
334 ,NULLHANDLE // resource in executable file
335 ,0 // resource id
336 ,&hClient // receives client window handle
337 );
338 if (!hFrame)
339 {
340 vError = ::WinGetLastError(vHabmain);
341 sError = wxPMErrorToStr(vError);
342 wxLogError("Error creating frame. Error: %s\n", sError);
343 return FALSE;
344 }
345
346 //
347 // wxWindow class' m_hWnd set here and needed associations
348 //
349 m_hFrame = hFrame;
350 m_hWnd = hClient;
351 wxAssociateWinWithHandle(m_hWnd, this);
352 wxAssociateWinWithHandle(m_hFrame, this);
353
354 m_backgroundColour.Set(wxString("GREY"));
355
356 LONG lColor = (LONG)m_backgroundColour.GetPixel();
357
358 if (!::WinSetPresParam( m_hWnd
359 ,PP_BACKGROUNDCOLOR
360 ,sizeof(LONG)
361 ,(PVOID)&lColor
362 ))
363 {
364 vError = ::WinGetLastError(vHabmain);
365 sError = wxPMErrorToStr(vError);
366 wxLogError("Error creating frame. Error: %s\n", sError);
367 return FALSE;
368 }
369
370 //
371 // Now need to subclass window. Instead of calling the SubClassWin in wxWindow
372 // we manually subclass here because we don't want to use the main wxWndProc
373 // by default
374 //
375 m_fnOldWndProc = (WXFARPROC) ::WinSubclassWindow(m_hFrame, (PFNWP)wxFrameMainWndProc);
376
377 //
378 // Now size everything. If adding a menu the client will need to be resized.
379 //
380
381 if (pParent)
382 {
383 nY = pParent->GetSize().y - (nY + nHeight);
384 }
385 else
386 {
387 RECTL vRect;
388
389 ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
390 nY = vRect.yTop - (nY + nHeight);
391 }
392 if (!::WinSetWindowPos( m_hFrame
393 ,HWND_TOP
394 ,nX
395 ,nY
396 ,nWidth
397 ,nHeight
398 ,SWP_SIZE | SWP_MOVE | SWP_ACTIVATE | SWP_ZORDER
399 ))
400 {
401 vError = ::WinGetLastError(vHabmain);
402 sError = wxPMErrorToStr(vError);
403 wxLogError("Error sizing frame. Error: %s\n", sError);
404 return FALSE;
405 }
406 return TRUE;
407 } // end of wxTopLevelWindowOS2::CreateFrame
408
409 bool wxTopLevelWindowOS2::Create(
410 wxWindow* pParent
411 , wxWindowID vId
412 , const wxString& rsTitle
413 , const wxPoint& rPos
414 , const wxSize& rSize
415 , long lStyle
416 , const wxString& rsName
417 )
418 {
419 //
420 // Init our fields
421 //
422 Init();
423 m_windowStyle = lStyle;
424 SetName(rsName);
425 m_windowId = vId == -1 ? NewControlId() : vId;
426 wxTopLevelWindows.Append(this);
427 if (pParent)
428 pParent->AddChild(this);
429
430 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
431 {
432 //
433 // We have different dialog templates to allows creation of dialogs
434 // with & without captions under OS2indows, resizeable or not (but a
435 // resizeable dialog always has caption - otherwise it would look too
436 // strange)
437 //
438 ULONG ulDlgTemplate;
439
440 if (lStyle & wxRESIZE_BORDER)
441 ulDlgTemplate = (ULONG)kResizeableDialog;
442 else if (lStyle & wxCAPTION)
443 ulDlgTemplate = (ULONG)kCaptionDialog;
444 else
445 ulDlgTemplate = (ULONG)kNoCaptionDialog;
446 return CreateDialog( ulDlgTemplate
447 ,rsTitle
448 ,rPos
449 ,rSize
450 );
451 }
452 else // !dialog
453 {
454 return CreateFrame( rsTitle
455 ,rPos
456 ,rSize
457 );
458 }
459 } // end of wxTopLevelWindowOS2::Create
460
461 wxTopLevelWindowOS2::~wxTopLevelWindowOS2()
462 {
463 wxTopLevelWindows.DeleteObject(this);
464
465 if (wxModelessWindows.Find(this))
466 wxModelessWindows.DeleteObject(this);
467
468 //
469 // If this is the last top-level window, exit.
470 //
471 if (wxTheApp && (wxTopLevelWindows.Number() == 0))
472 {
473 wxTheApp->SetTopWindow(NULL);
474 if ( wxTheApp->GetExitOnFrameDelete() )
475 {
476 ::WinPostMsg(NULL, WM_QUIT, 0, 0);
477 }
478 }
479 } // end of wxTopLevelWindowOS2::~wxTopLevelWindowOS2
480
481 //
482 // IF we have child controls in the Frame's client we need to alter
483 // the y position, because, OS/2 controls are positioned relative to
484 // wxWindows orgin (top left) not the OS/2 origin (bottom left)
485 //
486 void wxTopLevelWindowOS2::AlterChildPos()
487 {
488 //
489 // OS/2 is the only OS concerned about this
490 //
491 wxWindow* pChild = NULL;
492 wxControl* pCtrl = NULL;
493 RECTL vRect;
494 SWP vSwp;
495
496 ::WinQueryWindowRect(GetHwnd(), &vRect);
497 for (wxWindowList::Node* pNode = GetChildren().GetFirst();
498 pNode;
499 pNode = pNode->GetNext())
500 {
501 wxWindow* pChild = pNode->GetData();
502
503 ::WinQueryWindowPos(pChild->GetHWND(), &vSwp);
504 vSwp.y += (vRect.yTop - m_vSwpClient.cy);
505 if (pChild->IsKindOf(CLASSINFO(wxControl)))
506 {
507 pCtrl = wxDynamicCast(pChild, wxControl);
508 //
509 // Must deal with controls that have margins like ENTRYFIELD. The SWP
510 // struct of such a control will have and origin offset from its intended
511 // position by the width of the margins.
512 //
513 vSwp.y -= pCtrl->GetYComp();
514 vSwp.x -= pCtrl->GetXComp();
515 }
516 ::WinSetWindowPos( pChild->GetHWND()
517 ,HWND_TOP
518 ,vSwp.x
519 ,vSwp.y
520 ,vSwp.cx
521 ,vSwp.cy
522 ,SWP_MOVE
523 );
524 ::WinQueryWindowPos(pChild->GetHWND(), &vSwp);
525 pChild = NULL;
526 }
527 ::WinQueryWindowPos(GetHwnd(), &m_vSwpClient);
528 } // end of wxTopLevelWindowOS2::AlterChildPos
529
530 void wxTopLevelWindowOS2::UpdateInternalSize(
531 wxWindow* pChild
532 , int nHeight
533 )
534 {
535 pChild->MoveChildren(m_vSwpClient.cy - nHeight);
536 ::WinQueryWindowPos(GetHwnd(), &m_vSwpClient);
537 } // end of wxTopLevelWindowOS2::UpdateInternalSize
538
539 // ----------------------------------------------------------------------------
540 // wxTopLevelWindowOS2 client size
541 // ----------------------------------------------------------------------------
542
543 void wxTopLevelWindowOS2::DoSetClientSize(
544 int nWidth
545 , int nHeight
546 )
547 {
548 //
549 // Call GetClientAreaOrigin() to take the toolbar into account
550 //
551 wxPoint vPt = GetClientAreaOrigin();
552
553 nWidth += vPt.x;
554 nHeight += vPt.y;
555
556 wxWindow::DoSetClientSize( nWidth
557 ,nHeight
558 );
559 } // end of wxTopLevelWindowOS2::DoSetClientSize
560
561 void wxTopLevelWindowOS2::DoGetClientSize(
562 int* pnX
563 , int* pnY
564 ) const
565 {
566 wxWindow::DoGetClientSize( pnX
567 ,pnY
568 );
569
570 wxPoint vPt = GetClientAreaOrigin();
571
572 if (pnX)
573 *pnX -= vPt.x;
574
575 if (pnY)
576 *pnY += vPt.y;
577 } // end of wxTopLevelWindowOS2::DoGetClientSize
578
579 // ----------------------------------------------------------------------------
580 // wxTopLevelWindowOS2 showing
581 // ----------------------------------------------------------------------------
582
583 void wxTopLevelWindowOS2::DoShowWindow(
584 int nShowCmd
585 )
586 {
587 ::WinShowWindow(m_hFrame, (BOOL)nShowCmd);
588 m_bIconized = nShowCmd == SWP_MINIMIZE;
589 } // end of wxTopLevelWindowOS2::DoShowWindow
590
591 bool wxTopLevelWindowOS2::Show(
592 bool bShow
593 )
594 {
595 int nShowCmd;
596 SWP vSwp;
597 RECTL vRect;
598
599 if (bShow)
600 {
601 if (m_bMaximizeOnShow)
602 {
603 nShowCmd = SWP_SHOW;
604 m_bMaximizeOnShow = FALSE;
605 }
606 else
607 {
608 nShowCmd = SWP_HIDE;
609 }
610 }
611 else // hide
612 {
613 nShowCmd = SWP_HIDE;
614 }
615 DoShowWindow(nShowCmd);
616
617 if (bShow)
618 {
619 wxActivateEvent vEvent(wxEVT_ACTIVATE, TRUE, m_windowId);
620
621 ::WinQueryWindowPos(m_hFrame, &vSwp);
622 m_bIconized = vSwp.fl & SWP_MINIMIZE;
623 ::WinQueryWindowPos(m_hWnd, &m_vSwpClient);
624 ::WinSendMsg(m_hFrame, WM_UPDATEFRAME, (MPARAM)~0, 0);
625 ::WinEnableWindow(m_hFrame, TRUE);
626 vEvent.SetEventObject(this);
627 GetEventHandler()->ProcessEvent(vEvent);
628 }
629 else
630 {
631 //
632 // Try to highlight the correct window (the parent)
633 //
634 if (GetParent())
635 {
636 HWND hWndParent = GetHwndOf(GetParent());
637
638 ::WinQueryWindowPos(hWndParent, &vSwp);
639 m_bIconized = vSwp.fl & SWP_MINIMIZE;
640 if (hWndParent)
641 ::WinSetWindowPos( hWndParent
642 ,HWND_TOP
643 ,vSwp.x
644 ,vSwp.y
645 ,vSwp.cx
646 ,vSwp.cy
647 ,SWP_ZORDER | SWP_ACTIVATE | SWP_SHOW | SWP_MOVE
648 );
649 ::WinEnableWindow(hWndParent, TRUE);
650 }
651 }
652 return TRUE;
653 } // end of wxTopLevelWindowOS2::Show
654
655 // ----------------------------------------------------------------------------
656 // wxTopLevelWindowOS2 maximize/minimize
657 // ----------------------------------------------------------------------------
658
659 void wxTopLevelWindowOS2::Maximize(
660 bool bMaximize
661 )
662 {
663 if (IsShown())
664 {
665 //
666 // Just maximize it directly
667 //
668 DoShowWindow(bMaximize ? SWP_MAXIMIZE : SWP_RESTORE);
669 }
670 else // hidden
671 {
672 //
673 // We can't maximize the hidden frame because it shows it as well, so
674 // just remember that we should do it later in this case
675 //
676 m_bMaximizeOnShow = TRUE;
677 }
678 } // end of wxTopLevelWindowOS2::Maximize
679
680 bool wxTopLevelWindowOS2::IsMaximized() const
681 {
682 bool bIconic;
683
684 ::WinQueryWindowPos(m_hFrame, (PSWP)&m_vSwp);
685 return (m_vSwp.fl & SWP_MAXIMIZE);
686 } // end of wxTopLevelWindowOS2::IsMaximized
687
688 void wxTopLevelWindowOS2::Iconize(
689 bool bIconize
690 )
691 {
692 DoShowWindow(bIconize ? SWP_MINIMIZE : SWP_RESTORE);
693 } // end of wxTopLevelWindowOS2::Iconize
694
695 bool wxTopLevelWindowOS2::IsIconized() const
696 {
697 // also update the current state
698 ::WinQueryWindowPos(m_hFrame, (PSWP)&m_vSwp);
699 if (m_vSwp.fl & SWP_MINIMIZE)
700 ((wxTopLevelWindow*)this)->m_bIconized = TRUE;
701 else
702 ((wxTopLevelWindow*)this)->m_bIconized = FALSE;
703 return m_bIconized;
704 } // end of wxTopLevelWindowOS2::IsIconized
705
706 void wxTopLevelWindowOS2::Restore()
707 {
708 DoShowWindow(SWP_RESTORE);
709 } // end of wxTopLevelWindowOS2::Restore
710
711 // ----------------------------------------------------------------------------
712 // wxTopLevelWindowOS2 fullscreen
713 // ----------------------------------------------------------------------------
714
715 bool wxTopLevelWindowOS2::ShowFullScreen(
716 bool bShow
717 , long lStyle
718 )
719 {
720 if (bShow)
721 {
722 if (IsFullScreen())
723 return FALSE;
724
725 m_bFsIsShowing = TRUE;
726 m_lFsStyle = lStyle;
727
728 //
729 // Zap the frame borders
730 //
731
732 //
733 // Save the 'normal' window lStyle
734 //
735 m_lFsOldWindowStyle = ::WinQueryWindowULong( (HWND)GetHWND()
736 ,QWL_STYLE
737 );
738
739 //
740 // Save the old position, width & height, maximize state
741 //
742 m_vFsOldSize = GetRect();
743 m_bFsIsMaximized = IsMaximized();
744
745 //
746 // Decide which window lStyle flags to turn off
747 //
748 LONG lNewStyle = m_lFsOldWindowStyle;
749 LONG lOffFlags = 0;
750
751 if (lStyle & wxFULLSCREEN_NOBORDER)
752 lOffFlags |= FCF_BORDER;
753 if (lStyle & wxFULLSCREEN_NOCAPTION)
754 lOffFlags |= (FCF_TASKLIST | FCF_SYSMENU);
755
756 lNewStyle &= (~lOffFlags);
757
758 //
759 // Change our window style to be compatible with full-screen mode
760 //
761 ::WinSetWindowULong( (HWND)GetHWND()
762 ,QWL_STYLE
763 ,lNewStyle
764 );
765
766 //
767 // Resize to the size of the desktop
768 //
769 int nWidth;
770 int nHeight;
771 RECTL vRect = wxGetWindowRect(HWND_DESKTOP);
772
773 nWidth = vRect.xRight - vRect.xLeft;
774 nHeight = vRect.yTop - vRect.yBottom;
775
776 SetSize( nWidth
777 ,nHeight
778 );
779
780 //
781 // Now flush the window style cache and actually go full-screen
782 //
783 ::WinSetWindowPos( m_hFrame
784 ,HWND_TOP
785 ,0
786 ,0
787 ,nWidth
788 ,nHeight
789 ,SWP_SIZE | SWP_MOVE
790 );
791
792 wxSizeEvent vEvent( wxSize( nWidth
793 ,nHeight
794 )
795 ,GetId()
796 );
797
798 GetEventHandler()->ProcessEvent(vEvent);
799 return TRUE;
800 }
801 else
802 {
803 if (!IsFullScreen())
804 return FALSE;
805
806 m_bFsIsShowing = FALSE;
807 Maximize(m_bFsIsMaximized);
808 ::WinSetWindowULong( (HWND)GetHWND()
809 ,QWL_STYLE
810 ,m_lFsOldWindowStyle
811 );
812 ::WinSetWindowPos( m_hFrame
813 ,HWND_TOP
814 ,m_vFsOldSize.x
815 ,m_vFsOldSize.y
816 ,m_vFsOldSize.width
817 ,m_vFsOldSize.height
818 ,SWP_SIZE | SWP_MOVE
819 );
820 return TRUE;
821 }
822 } // end of wxTopLevelWindowOS2::ShowFullScreen
823
824 // ----------------------------------------------------------------------------
825 // wxTopLevelWindowOS2 misc
826 // ----------------------------------------------------------------------------
827
828 void wxTopLevelWindowOS2::SetIcon(
829 const wxIcon& rIcon
830 )
831 {
832 //
833 // This sets m_icon
834 //
835 wxTopLevelWindowBase::SetIcon(rIcon);
836
837 if (m_icon.Ok())
838 {
839 ::WinSendMsg( m_hFrame
840 ,WM_SETICON
841 ,(MPARAM)((HPOINTER)m_icon.GetHICON())
842 ,NULL
843 );
844 ::WinSendMsg( m_hFrame
845 ,WM_UPDATEFRAME
846 ,(MPARAM)FCF_ICON
847 ,(MPARAM)0
848 );
849 }
850 } // end of wxTopLevelWindowOS2::SetIcon
851
852 bool wxTopLevelWindowOS2::EnableCloseButton(
853 bool bEnable
854 )
855 {
856 //
857 // Get system (a.k.a. window) menu
858 //
859 HMENU hMenu = ::WinWindowFromID(m_hFrame, FID_SYSMENU);
860
861 if (!hMenu)
862 {
863 wxLogLastError(_T("GetSystemMenu"));
864 return FALSE;
865 }
866
867 //
868 // Enabling/disabling the close item from it also automatically
869 // disables/enables the close title bar button
870 //
871 if (bEnable)
872 (void)::WinSendMsg( hMenu
873 ,MM_SETITEMATTR
874 ,MPFROM2SHORT(SC_CLOSE, FALSE)
875 ,MPFROM2SHORT(MIA_DISABLED, FALSE)
876 );
877 else
878 (void)::WinSendMsg( hMenu
879 ,MM_SETITEMATTR
880 ,MPFROM2SHORT(SC_CLOSE, FALSE)
881 ,MPFROM2SHORT(MIA_DISABLED, MIA_DISABLED)
882 );
883
884 //
885 // Update appearance immediately
886 //
887 ::WinSendMsg( m_hFrame
888 ,WM_UPDATEFRAME
889 ,(MPARAM)FCF_MENU
890 ,(MPARAM)0
891 );
892 return TRUE;
893 } // end of wxTopLevelWindowOS2::EnableCloseButton
894
wxWidgets (Impactor)