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Allow selecting a mono bitmap into a wxMemoryDC.
[wxWidgets.git] / src / motif / frame.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: motif/frame.cpp
3 // Purpose: wxFrame
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 17/09/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #ifdef __GNUG__
21 #pragma implementation "frame.h"
22 #endif
23
24
25 #ifdef __VMS
26 #define XtDisplay XTDISPLAY
27 #define XtWindow XTWINDOW
28 #define XtScreen XTSCREEN
29 #endif
30
31 #include "wx/frame.h"
32 #include "wx/statusbr.h"
33 #include "wx/toolbar.h"
34 #include "wx/menu.h"
35 #include "wx/settings.h"
36 #include "wx/utils.h"
37 #include "wx/log.h"
38 #include "wx/app.h"
39 #include "wx/icon.h"
40
41 #ifdef __VMS__
42 #pragma message disable nosimpint
43 #endif
44
45 #if defined(__ultrix) || defined(__sgi)
46 #include <Xm/Frame.h>
47 #endif
48
49 #include <Xm/Xm.h>
50 #include <X11/Shell.h>
51 #include <X11/Core.h>
52 #if XmVersion >= 1002
53 #include <Xm/XmAll.h>
54 #else
55 #include <Xm/Frame.h>
56 #endif
57 #include <Xm/MwmUtil.h>
58 #include <Xm/BulletinB.h>
59 #include <Xm/Form.h>
60 #include <Xm/MainW.h>
61 #include <Xm/RowColumn.h>
62 #include <Xm/Label.h>
63 #include <Xm/AtomMgr.h>
64 #include <Xm/LabelG.h>
65 #include <Xm/Frame.h>
66 #if XmVersion > 1000
67 #include <Xm/Protocols.h>
68 #endif
69
70 #ifdef __VMS__
71 #pragma message enable nosimpint
72 #endif
73
74 #include "wx/motif/private.h"
75 #include "wx/unix/utilsx11.h"
76
77 // ----------------------------------------------------------------------------
78 // private functions
79 // ----------------------------------------------------------------------------
80
81 static void wxFrameMapProc(Widget frameShell, XtPointer clientData,
82 XCrossingEvent* event);
83
84 // ----------------------------------------------------------------------------
85 // globals
86 // ----------------------------------------------------------------------------
87
88 extern wxList wxModelessWindows;
89 extern wxList wxPendingDelete;
90
91 // TODO: this should be tidied so that any frame can be the
92 // top frame
93 // static bool wxTopLevelUsed = FALSE;
94
95 // ----------------------------------------------------------------------------
96 // wxWin macros
97 // ----------------------------------------------------------------------------
98
99 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
100 EVT_ACTIVATE(wxFrame::OnActivate)
101 EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
102 END_EVENT_TABLE()
103
104 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
105
106 // ============================================================================
107 // implementation
108 // ============================================================================
109
110 // ----------------------------------------------------------------------------
111 // frame construction
112 // ----------------------------------------------------------------------------
113
114 void wxFrame::Init()
115 {
116 m_iconized = FALSE;
117
118 //// Motif-specific
119 m_frameShell = (WXWidget) NULL;
120 m_mainWidget = (WXWidget) NULL;;
121 m_workArea = (WXWidget) NULL;;
122 m_clientArea = (WXWidget) NULL;;
123 // m_visibleStatus = TRUE;
124 }
125
126 bool wxFrame::Create(wxWindow *parent,
127 wxWindowID id,
128 const wxString& title,
129 const wxPoint& pos,
130 const wxSize& size,
131 long style,
132 const wxString& name)
133 {
134 if( !wxTopLevelWindow::Create( parent, id, title, pos, size, style,
135 name ) )
136 return FALSE;
137
138 m_backgroundColour =
139 wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
140 m_foregroundColour = *wxBLACK;
141 m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
142
143 int x = pos.x, y = pos.y;
144 int width = size.x, height = size.y;
145
146 // Set reasonable values for position and size if defaults have been
147 // requested
148 //
149 // MB TODO: something better than these arbitrary values ?
150 // VZ should use X resources for this...
151 if ( width == -1 )
152 width = 400;
153 if ( height == -1 )
154 height = 400;
155
156 int displayW, displayH;
157 wxDisplaySize( &displayW, &displayH );
158
159 if ( x == -1 )
160 {
161 x = (displayW - width) / 2;
162 if (x < 10) x = 10;
163 }
164 if ( y == -1 )
165 {
166 y = (displayH - height) / 2;
167 if (y < 10) y = 10;
168 }
169
170 SetTitle( title );
171
172 wxLogTrace(wxTRACE_Messages,
173 "Created frame (0x%p) with work area 0x%p and client "
174 "area 0x%p", m_mainWidget, m_workArea, m_clientArea);
175
176 XtAddEventHandler((Widget) m_clientArea, ExposureMask,FALSE,
177 wxUniversalRepaintProc, (XtPointer) this);
178
179 if (x > -1)
180 XtVaSetValues((Widget) m_frameShell, XmNx, x, NULL);
181 if (y > -1)
182 XtVaSetValues((Widget) m_frameShell, XmNy, y, NULL);
183 if (width > -1)
184 XtVaSetValues((Widget) m_frameShell, XmNwidth, width, NULL);
185 if (height > -1)
186 XtVaSetValues((Widget) m_frameShell, XmNheight, height, NULL);
187
188 ChangeFont(FALSE);
189
190 ChangeBackgroundColour();
191
192 PreResize();
193
194 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
195 sizeEvent.SetEventObject(this);
196
197 GetEventHandler()->ProcessEvent(sizeEvent);
198
199 return TRUE;
200 }
201
202 bool wxFrame::DoCreate( wxWindow* parent, wxWindowID id,
203 const wxString& title,
204 const wxPoint& pos,
205 const wxSize& size,
206 long style,
207 const wxString& name )
208 {
209 static bool wxTopLevelUsed = FALSE; /* this is global */
210 WXWidget frameShell;
211
212 if (wxTopLevelUsed)
213 {
214 // Change suggested by Matthew Flatt
215 frameShell = (WXWidget)XtAppCreateShell( name,
216 wxTheApp->GetClassName(),
217 topLevelShellWidgetClass,
218 (Display*) wxGetDisplay(),
219 NULL, 0 );
220 }
221 else
222 {
223 frameShell = wxTheApp->GetTopLevelWidget();
224 wxTopLevelUsed = TRUE;
225 }
226
227 XtVaSetValues((Widget) frameShell,
228 // Allows menu to resize
229 XmNallowShellResize, True,
230 XmNdeleteResponse, XmDO_NOTHING,
231 XmNmappedWhenManaged, False,
232 XmNiconic, (style & wxICONIZE) ? TRUE : FALSE,
233 NULL);
234
235 m_frameShell = frameShell;
236
237 m_mainWidget = (WXWidget) XtVaCreateManagedWidget("main_window",
238 xmMainWindowWidgetClass, (Widget) frameShell,
239 XmNresizePolicy, XmRESIZE_NONE,
240 NULL);
241
242 m_workArea = (WXWidget) XtVaCreateWidget("form",
243 xmFormWidgetClass, (Widget) m_mainWidget,
244 XmNresizePolicy, XmRESIZE_NONE,
245 NULL);
246
247 m_clientArea = (WXWidget) XtVaCreateWidget("client",
248 xmBulletinBoardWidgetClass, (Widget) m_workArea,
249 XmNmarginWidth, 0,
250 XmNmarginHeight, 0,
251 XmNrightAttachment, XmATTACH_FORM,
252 XmNleftAttachment, XmATTACH_FORM,
253 XmNtopAttachment, XmATTACH_FORM,
254 XmNbottomAttachment, XmATTACH_FORM,
255 NULL);
256
257 XtVaSetValues((Widget) m_mainWidget,
258 XmNworkWindow, (Widget) m_workArea,
259 NULL);
260
261 XtManageChild((Widget) m_clientArea);
262 XtManageChild((Widget) m_workArea);
263
264 XtTranslations ptr = XtParseTranslationTable( "<Configure>: resize()" );
265 XtOverrideTranslations( (Widget) m_workArea, ptr );
266 XtFree( (char *)ptr );
267
268 /* Part of show-&-hide fix */
269 XtAddEventHandler( (Widget)frameShell, StructureNotifyMask,
270 False, (XtEventHandler)wxFrameMapProc,
271 (XtPointer)this );
272
273 XtRealizeWidget((Widget) frameShell);
274
275 wxAddWindowToTable( (Widget)m_workArea, this);
276 wxAddWindowToTable( (Widget)m_clientArea, this);
277
278 wxModelessWindows.Append( this );
279
280 return TRUE;
281 }
282
283 wxFrame::~wxFrame()
284 {
285 m_isBeingDeleted = TRUE;
286
287 if (m_clientArea)
288 {
289 XtRemoveEventHandler((Widget) m_clientArea, ExposureMask, FALSE,
290 wxUniversalRepaintProc, (XtPointer) this);
291 }
292
293 if (GetMainWidget())
294 Show(FALSE);
295
296 if (m_frameMenuBar)
297 {
298 m_frameMenuBar->DestroyMenuBar();
299
300 // Hack to stop core dump on Ultrix, OSF, for some strange reason.
301 #if MOTIF_MENUBAR_DELETE_FIX
302 GetMenuBar()->SetMainWidget((WXWidget) NULL);
303 #endif
304 delete m_frameMenuBar;
305 m_frameMenuBar = NULL;
306 }
307
308 if (m_frameStatusBar)
309 {
310 delete m_frameStatusBar;
311 m_frameStatusBar = NULL;
312 }
313 }
314
315 void wxFrame::DoDestroy()
316 {
317 Widget frameShell = (Widget)GetShellWidget();
318
319 XtRemoveEventHandler( frameShell, StructureNotifyMask,
320 False, (XtEventHandler)wxFrameMapProc,
321 (XtPointer)this );
322
323 if( m_clientArea )
324 {
325 wxDeleteWindowFromTable( (Widget)m_clientArea );
326 XtDestroyWidget( (Widget)m_clientArea );
327 }
328
329 if( m_workArea )
330 {
331 XtVaSetValues( (Widget)m_mainWidget,
332 XmNworkWindow, (Widget)NULL,
333 NULL );
334
335 wxDeleteWindowFromTable( (Widget)m_workArea );
336 XtDestroyWidget( (Widget)m_workArea );
337 }
338
339 if( m_mainWidget )
340 XtDestroyWidget( (Widget)m_mainWidget );
341
342 if( frameShell )
343 XtDestroyWidget( frameShell );
344 }
345
346 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
347 void wxFrame::DoGetClientSize(int *x, int *y) const
348 {
349 Dimension xx, yy;
350 XtVaGetValues((Widget) m_workArea, XmNwidth, &xx, XmNheight, &yy, NULL);
351
352 if (m_frameStatusBar)
353 {
354 int sbw, sbh;
355 m_frameStatusBar->GetSize(& sbw, & sbh);
356 yy -= sbh;
357 }
358 #if wxUSE_TOOLBAR
359 if (m_frameToolBar)
360 {
361 int tbw, tbh;
362 m_frameToolBar->GetSize(& tbw, & tbh);
363 if (m_frameToolBar->GetWindowStyleFlag() & wxTB_VERTICAL)
364 xx -= tbw;
365 else
366 yy -= tbh;
367 }
368 #endif // wxUSE_TOOLBAR
369 *x = xx; *y = yy;
370 }
371
372 // Set the client size (i.e. leave the calculation of borders etc.
373 // to wxWindows)
374 void wxFrame::DoSetClientSize(int width, int height)
375 {
376 // Calculate how large the new main window should be
377 // by finding the difference between the client area and the
378 // main window area, and adding on to the new client area
379 if (width > -1)
380 XtVaSetValues((Widget) m_workArea, XmNwidth, width, NULL);
381
382 if (height > -1)
383 {
384 if (m_frameStatusBar)
385 {
386 int sbw, sbh;
387 m_frameStatusBar->GetSize(& sbw, & sbh);
388 height += sbh;
389 }
390 #if wxUSE_TOOLBAR
391 if (m_frameToolBar)
392 {
393 int tbw, tbh;
394 m_frameToolBar->GetSize(& tbw, & tbh);
395 if (m_frameToolBar->GetWindowStyleFlag() & wxTB_VERTICAL)
396 width += tbw;
397 else
398 height += tbh;
399 }
400 #endif // wxUSE_TOOLBAR
401
402 XtVaSetValues((Widget) m_workArea, XmNheight, height, NULL);
403 }
404 PreResize();
405
406 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
407 sizeEvent.SetEventObject(this);
408
409 GetEventHandler()->ProcessEvent(sizeEvent);
410
411 }
412
413 void wxFrame::DoGetSize(int *width, int *height) const
414 {
415 Dimension xx, yy;
416 XtVaGetValues((Widget) m_frameShell, XmNwidth, &xx, XmNheight, &yy, NULL);
417 *width = xx; *height = yy;
418 }
419
420 void wxFrame::DoGetPosition(int *x, int *y) const
421 {
422 Window parent_window = XtWindow((Widget) m_frameShell),
423 next_parent = XtWindow((Widget) m_frameShell),
424 root = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
425
426 // search for the parent that is child of ROOT, because the WM may
427 // reparent twice and notify only the next parent (like FVWM)
428 while (next_parent != root) {
429 Window *theChildren; unsigned int n;
430 parent_window = next_parent;
431 XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
432 &next_parent, &theChildren, &n);
433 XFree(theChildren); // not needed
434 }
435 int xx, yy; unsigned int dummy;
436 XGetGeometry(XtDisplay((Widget) m_frameShell), parent_window, &root,
437 &xx, &yy, &dummy, &dummy, &dummy, &dummy);
438 if (x) *x = xx;
439 if (y) *y = yy;
440 }
441
442 void wxFrame::DoSetSize(int x, int y, int width, int height, int WXUNUSED(sizeFlags))
443 {
444 if (x > -1)
445 XtVaSetValues((Widget) m_frameShell, XmNx, x, NULL);
446 if (y > -1)
447 XtVaSetValues((Widget) m_frameShell, XmNy, y, NULL);
448 if (width > -1)
449 XtVaSetValues((Widget) m_mainWidget, XmNwidth, width, NULL);
450 if (height > -1)
451 XtVaSetValues((Widget) m_mainWidget, XmNheight, height, NULL);
452
453 if (!(height == -1 && width == -1))
454 {
455 PreResize();
456 }
457 }
458
459 bool wxFrame::Show( bool show )
460 {
461 if( !wxTopLevelWindowMotif::Show( show ) )
462 return FALSE;
463
464 m_isShown = show;
465
466 Widget shell = (Widget)GetShellWidget();
467 if (!shell)
468 return wxWindow::Show(show);
469
470 SetVisibleStatus(show);
471 if (show)
472 {
473 XtMapWidget (shell);
474 XRaiseWindow (XtDisplay(shell), XtWindow(shell));
475 }
476 else
477 {
478 XtUnmapWidget(shell);
479 }
480
481 return TRUE;
482 }
483
484 void wxFrame::SetTitle(const wxString& title)
485 {
486 wxString oldTitle = GetTitle();
487 if( title == oldTitle )
488 return;
489
490 wxTopLevelWindow::SetTitle( title );
491
492 if( !title.empty() )
493 XtVaSetValues( (Widget)m_frameShell,
494 XmNtitle, title.c_str(),
495 XmNiconName, title.c_str(),
496 NULL );
497 }
498
499 void wxFrame::DoSetIcon(const wxIcon& icon)
500 {
501 if (!m_frameShell)
502 return;
503
504 if (!icon.Ok() || !icon.GetPixmap())
505 return;
506
507 XtVaSetValues((Widget) m_frameShell, XtNiconPixmap, icon.GetPixmap(), NULL);
508 }
509
510 void wxFrame::SetIcon(const wxIcon& icon)
511 {
512 SetIcons( wxIconBundle( icon ) );
513 }
514
515 void wxFrame::SetIcons(const wxIconBundle& icons)
516 {
517 wxFrameBase::SetIcons( icons );
518
519 if (!m_frameShell)
520 return;
521
522 DoSetIcon( m_icons.GetIcon( -1 ) );
523 wxSetIconsX11(GetXDisplay(),
524 (WXWindow) XtWindow( (Widget) m_frameShell ), icons);
525 }
526
527 void wxFrame::PositionStatusBar()
528 {
529 if (!m_frameStatusBar)
530 return;
531
532 int w, h;
533 GetClientSize(&w, &h);
534 int sw, sh;
535 m_frameStatusBar->GetSize(&sw, &sh);
536
537 // Since we wish the status bar to be directly under the client area,
538 // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
539 m_frameStatusBar->SetSize(0, h, w, sh);
540 }
541
542 WXWidget wxFrame::GetMenuBarWidget() const
543 {
544 if (GetMenuBar())
545 return GetMenuBar()->GetMainWidget();
546 else
547 return (WXWidget) NULL;
548 }
549
550 void wxFrame::SetMenuBar(wxMenuBar *menuBar)
551 {
552 if (!menuBar)
553 {
554 m_frameMenuBar = NULL;
555 return;
556 }
557
558 // Currently can't set it twice
559 // wxASSERT_MSG( (m_frameMenuBar == (wxMenuBar*) NULL), "Cannot set the menubar more than once");
560
561 if (m_frameMenuBar)
562 {
563 m_frameMenuBar->DestroyMenuBar();
564 delete m_frameMenuBar;
565 }
566
567 m_frameMenuBar = menuBar;
568 m_frameMenuBar->CreateMenuBar(this);
569 }
570
571 // Responds to colour changes, and passes event on to children.
572 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
573 {
574 SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
575 Refresh();
576
577 if ( m_frameStatusBar )
578 {
579 wxSysColourChangedEvent event2;
580 event2.SetEventObject( m_frameStatusBar );
581 m_frameStatusBar->ProcessEvent(event2);
582 }
583
584 // Propagate the event to the non-top-level children
585 wxWindow::OnSysColourChanged(event);
586 }
587
588 // Default activation behaviour - set the focus for the first child
589 // subwindow found.
590 void wxFrame::OnActivate(wxActivateEvent& event)
591 {
592 if (!event.GetActive())
593 return;
594
595 for(wxWindowList::Node *node = GetChildren().GetFirst(); node;
596 node = node->GetNext())
597 {
598 // Find a child that's a subwindow, but not a dialog box.
599 wxWindow *child = node->GetData();
600 if (!child->IsTopLevel())
601 {
602 child->SetFocus();
603 return;
604 }
605 }
606 }
607
608 void wxFrame::SendSizeEvent()
609 {
610 wxSizeEvent event(GetSize(), GetId());
611 event.SetEventObject(this);
612 GetEventHandler()->AddPendingEvent(event);
613 }
614
615 #if wxUSE_TOOLBAR
616
617 wxToolBar* wxFrame::CreateToolBar(long style,
618 wxWindowID id,
619 const wxString& name)
620 {
621 if ( wxFrameBase::CreateToolBar(style, id, name) )
622 {
623 PositionToolBar();
624 }
625
626 return m_frameToolBar;
627 }
628
629 void wxFrame::SetToolBar(wxToolBar *toolbar)
630 {
631 wxFrameBase::SetToolBar(toolbar);
632 SendSizeEvent();
633 }
634
635 void wxFrame::PositionToolBar()
636 {
637 wxToolBar* tb = GetToolBar();
638 if (tb)
639 {
640 int cw, ch;
641 GetClientSize(& cw, &ch);
642
643 int tw, th;
644 tb->GetSize(& tw, & th);
645
646 if (tb->GetWindowStyleFlag() & wxTB_VERTICAL)
647 {
648 // Use the 'real' position. wxSIZE_NO_ADJUSTMENTS
649 // means, pretend we don't have toolbar/status bar, so we
650 // have the original client size.
651 th = ch + th;
652 }
653 else
654 {
655 // Use the 'real' position
656 tw = cw;
657 }
658
659 tb->SetSize(0, 0, tw, th, wxSIZE_NO_ADJUSTMENTS);
660 }
661 }
662 #endif // wxUSE_TOOLBAR
663
664 //// Motif-specific
665 bool wxFrame::PreResize()
666 {
667 #if wxUSE_TOOLBAR
668 PositionToolBar();
669 #endif // wxUSE_TOOLBAR
670
671 #if wxUSE_STATUSBAR
672 PositionStatusBar();
673 #endif // wxUSE_STATUSBAR
674
675 return TRUE;
676 }
677
678 WXWidget wxFrame::GetClientWidget() const
679 {
680 return m_clientArea;
681 }
682
683 void wxFrame::ChangeFont(bool WXUNUSED(keepOriginalSize))
684 {
685 // TODO
686 }
687
688 void wxFrame::ChangeBackgroundColour()
689 {
690 if (GetClientWidget())
691 DoChangeBackgroundColour(GetClientWidget(), m_backgroundColour);
692 }
693
694 void wxFrame::ChangeForegroundColour()
695 {
696 if (GetClientWidget())
697 DoChangeForegroundColour(GetClientWidget(), m_foregroundColour);
698 }
699
700 /* MATTEW: Used to insure that hide-&-show within an event cycle works */
701 static void wxFrameMapProc( Widget frameShell, XtPointer clientData,
702 XCrossingEvent* event )
703 {
704 wxFrame *tli = (wxFrame*)clientData;
705
706 XEvent *e = (XEvent *)event;
707
708 if( e->xany.type == MapNotify )
709 {
710 // Iconize fix
711 XtVaSetValues( frameShell, XmNiconic, (Boolean)False, NULL );
712 if( !tli->GetVisibleStatus() )
713 {
714 /* We really wanted this to be hidden! */
715 XtUnmapWidget( frameShell );
716 }
717 }
718 else if( e->xany.type == UnmapNotify )
719 // Iconize fix
720 XtVaSetValues( frameShell, XmNiconic, (Boolean)True, NULL );
721 }