More Motif stuff
[wxWidgets.git] / src / motif / frame.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: 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 #ifdef __GNUG__
13 #pragma implementation "frame.h"
14 #endif
15
16 #include "wx/frame.h"
17 #include "wx/statusbr.h"
18 #include "wx/toolbar.h"
19 #include "wx/menuitem.h"
20 #include "wx/menu.h"
21 #include "wx/dcclient.h"
22 #include "wx/dialog.h"
23 #include "wx/settings.h"
24 #include "wx/app.h"
25 #include "wx/utils.h"
26
27 #if defined(__ultrix) || defined(__sgi)
28 #include <Xm/Frame.h>
29 #endif
30
31 #include <Xm/Xm.h>
32 #include <X11/Shell.h>
33 #if XmVersion >= 1002
34 #include <Xm/XmAll.h>
35 #else
36 #include <Xm/Frame.h>
37 #endif
38 #include <Xm/MwmUtil.h>
39 #include <Xm/BulletinB.h>
40 #include <Xm/Form.h>
41 #include <Xm/MainW.h>
42 #include <Xm/RowColumn.h>
43 #include <Xm/Label.h>
44 #include <Xm/AtomMgr.h>
45 #include <Xm/LabelG.h>
46 #include <Xm/Frame.h>
47 #if XmVersion > 1000
48 #include <Xm/Protocols.h>
49 #endif
50
51 #include "wx/motif/private.h"
52
53 void wxCloseFrameCallback(Widget, XtPointer, XmAnyCallbackStruct *cbs);
54 static void wxFrameFocusProc(Widget workArea, XtPointer clientData,
55 XmAnyCallbackStruct *cbs);
56 static void wxFrameMapProc(Widget frameShell, XtPointer clientData,
57 XCrossingEvent * event);
58
59 extern wxList wxModelessWindows;
60 extern wxList wxPendingDelete;
61
62 // TODO: this should be tidied so that any frame can be the
63 // top frame
64 static bool wxTopLevelUsed = FALSE;
65
66 #if !USE_SHARED_LIBRARY
67 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
68 EVT_SIZE(wxFrame::OnSize)
69 EVT_ACTIVATE(wxFrame::OnActivate)
70 EVT_MENU_HIGHLIGHT_ALL(wxFrame::OnMenuHighlight)
71 EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
72 EVT_IDLE(wxFrame::OnIdle)
73 EVT_CLOSE(wxFrame::OnCloseWindow)
74 END_EVENT_TABLE()
75
76 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
77 #endif
78
79 #if USE_NATIVE_STATUSBAR
80 bool wxFrame::m_useNativeStatusBar = TRUE;
81 #else
82 bool wxFrame::m_useNativeStatusBar = FALSE;
83 #endif
84
85 wxFrame::wxFrame()
86 {
87 m_frameToolBar = NULL ;
88 m_frameMenuBar = NULL;
89 m_frameStatusBar = NULL;
90
91 m_windowParent = NULL;
92 m_iconized = FALSE;
93
94 //// Motif-specific
95 m_frameShell = (WXWidget) NULL;
96 m_frameWidget = (WXWidget) NULL;;
97 m_workArea = (WXWidget) NULL;;
98 m_clientArea = (WXWidget) NULL;;
99 m_visibleStatus = TRUE;
100 m_title = "";
101 }
102
103 bool wxFrame::Create(wxWindow *parent,
104 wxWindowID id,
105 const wxString& title,
106 const wxPoint& pos,
107 const wxSize& size,
108 long style,
109 const wxString& name)
110 {
111 if (!parent)
112 wxTopLevelWindows.Append(this);
113
114 SetName(name);
115
116 m_windowStyle = style;
117 m_frameMenuBar = NULL;
118 m_frameToolBar = NULL ;
119 m_frameStatusBar = NULL;
120
121 //// Motif-specific
122 m_frameShell = (WXWidget) NULL;
123 m_frameWidget = (WXWidget) NULL;;
124 m_workArea = (WXWidget) NULL;;
125 m_clientArea = (WXWidget) NULL;;
126 m_visibleStatus = TRUE;
127 m_title = "";
128
129 SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
130
131 if ( id > -1 )
132 m_windowId = id;
133 else
134 m_windowId = (int)NewControlId();
135
136 if (parent) parent->AddChild(this);
137
138 wxModelessWindows.Append(this);
139
140 int x = pos.x; int y = pos.y;
141 int width = size.x; int height = size.y;
142
143 if (wxTopLevelUsed)
144 // Change suggested by Matthew Flatt
145 m_frameShell = (WXWidget) XtAppCreateShell(name, wxTheApp->GetClassName(), topLevelShellWidgetClass, (Display*) wxGetDisplay(), NULL, 0);
146 else
147 {
148 m_frameShell = wxTheApp->GetTopLevelWidget();
149 wxTopLevelUsed = TRUE;
150 }
151
152 XtVaSetValues((Widget) m_frameShell,
153 // Allows menu to resize
154 XmNallowShellResize, True,
155 XmNdeleteResponse, XmDO_NOTHING,
156 XmNmappedWhenManaged, False,
157 XmNiconic, (style & wxICONIZE) ? TRUE : FALSE,
158 NULL);
159
160 if (!title.IsNull())
161 XtVaSetValues((Widget) m_frameShell,
162 XmNtitle, (const char*) title,
163 NULL);
164
165 m_frameWidget = (WXWidget) XtVaCreateManagedWidget("main_window",
166 xmMainWindowWidgetClass, (Widget) m_frameShell,
167 XmNresizePolicy, XmRESIZE_NONE,
168 NULL);
169
170 m_workArea = (WXWidget) XtVaCreateWidget("form",
171 xmFormWidgetClass, (Widget) m_frameWidget,
172 XmNresizePolicy, XmRESIZE_NONE,
173 NULL);
174
175 m_clientArea = (WXWidget) XtVaCreateWidget("client",
176 xmBulletinBoardWidgetClass, (Widget) m_workArea,
177 XmNmarginWidth, 0,
178 XmNmarginHeight, 0,
179 XmNrightAttachment, XmATTACH_FORM,
180 XmNleftAttachment, XmATTACH_FORM,
181 XmNtopAttachment, XmATTACH_FORM,
182 XmNbottomAttachment, XmATTACH_FORM,
183 // XmNresizePolicy, XmRESIZE_ANY,
184 NULL);
185
186 XtVaSetValues((Widget) m_frameWidget,
187 XmNworkWindow, (Widget) m_workArea,
188 NULL);
189
190
191 XtManageChild((Widget) m_clientArea);
192 XtManageChild((Widget) m_workArea);
193
194 wxASSERT_MSG ((wxWidgetHashTable->Get((long)m_workArea) == (wxObject*) NULL), "Widget table clash in frame.cpp") ;
195
196 wxAddWindowToTable((Widget) m_workArea, this);
197
198 XtTranslations ptr ;
199
200 XtOverrideTranslations((Widget) m_workArea,
201 ptr = XtParseTranslationTable("<Configure>: resize()"));
202
203 XtFree((char *)ptr);
204
205 XtAddCallback((Widget) m_workArea, XmNfocusCallback,
206 (XtCallbackProc)wxFrameFocusProc, (XtPointer)this);
207
208 /* Part of show-&-hide fix */
209 XtAddEventHandler((Widget) m_frameShell, StructureNotifyMask,
210 False, (XtEventHandler)wxFrameMapProc,
211 (XtPointer)m_workArea);
212
213 if (x > -1)
214 XtVaSetValues((Widget) m_frameShell, XmNx, x, NULL);
215 if (y > -1)
216 XtVaSetValues((Widget) m_frameShell, XmNy, y, NULL);
217 if (width > -1)
218 XtVaSetValues((Widget) m_frameShell, XmNwidth, width, NULL);
219 if (height > -1)
220 XtVaSetValues((Widget) m_frameShell, XmNheight, height, NULL);
221
222 m_mainWidget = m_frameWidget;
223
224 // This patch comes from Torsten Liermann lier@lier1.muc.de
225 if (XmIsMotifWMRunning( (Widget) m_frameShell ))
226 {
227 int decor = 0 ;
228 if (style & wxRESIZE_BORDER)
229 decor |= MWM_DECOR_RESIZEH ;
230 if (style & wxSYSTEM_MENU)
231 decor |= MWM_DECOR_MENU;
232 if ((style & wxCAPTION) ||
233 (style & wxTINY_CAPTION_HORIZ) ||
234 (style & wxTINY_CAPTION_VERT))
235 decor |= MWM_DECOR_TITLE;
236 if (style & wxTHICK_FRAME)
237 decor |= MWM_DECOR_BORDER;
238 if (style & wxTHICK_FRAME)
239 decor |= MWM_DECOR_BORDER;
240 if (style & wxMINIMIZE_BOX)
241 decor |= MWM_DECOR_MINIMIZE;
242 if (style & wxMAXIMIZE_BOX)
243 decor |= MWM_DECOR_MAXIMIZE;
244 XtVaSetValues((Widget) m_frameShell,XmNmwmDecorations,decor,NULL) ;
245 }
246 // This allows non-Motif window managers to support at least the
247 // no-decorations case.
248 else
249 {
250 if (style == 0)
251 XtVaSetValues((Widget) m_frameShell,XmNoverrideRedirect,TRUE,NULL);
252 }
253 XtRealizeWidget((Widget) m_frameShell);
254
255 // Intercept CLOSE messages from the window manager
256 Atom WM_DELETE_WINDOW = XmInternAtom(XtDisplay((Widget) m_frameShell), "WM_DELETE_WINDOW", False);
257 #if (XmREVISION > 1 || XmVERSION > 1)
258 XmAddWMProtocolCallback((Widget) m_frameShell, WM_DELETE_WINDOW, (XtCallbackProc) wxCloseFrameCallback, (XtPointer)this);
259 #else
260 #if XmREVISION == 1
261 XmAddWMProtocolCallback((Widget) m_frameShell, WM_DELETE_WINDOW, (XtCallbackProc) wxCloseFrameCallback, (caddr_t)this);
262 #else
263 XmAddWMProtocolCallback((Widget) m_frameShell, WM_DELETE_WINDOW, (void (*)())wxCloseFrameCallback, (caddr_t)this);
264 #endif
265 #endif
266
267 PreResize();
268
269 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
270 sizeEvent.SetEventObject(this);
271
272 GetEventHandler()->ProcessEvent(sizeEvent);
273
274 return TRUE;
275 }
276
277 wxFrame::~wxFrame()
278 {
279 if (GetMainWidget())
280 Show(FALSE);
281
282 if (m_frameMenuBar)
283 {
284 // Hack to stop core dump on Ultrix, OSF, for some strange reason.
285 #if MOTIF_MENUBAR_DELETE_FIX
286 GetMenuBar()->SetMainWidget((WXWidget) NULL);
287 #endif
288 delete m_frameMenuBar;
289 m_frameMenuBar = NULL;
290 }
291
292 wxTopLevelWindows.DeleteObject(this);
293 wxModelessWindows.DeleteObject(this);
294
295 if (m_frameStatusBar)
296 delete m_frameStatusBar;
297
298 DestroyChildren();
299
300 /*
301 int i;
302 for (i = 0; i < wxMAX_STATUS; i++)
303 if (statusTextWidget[i])
304 XtDestroyWidget (statusTextWidget[i]);
305
306 if (statusLineForm)
307 XtDestroyWidget (statusLineForm);
308
309 if (statusLineWidget)
310 XtDestroyWidget (statusLineWidget);
311 */
312
313 wxDeleteWindowFromTable((Widget) m_workArea);
314
315 XtDestroyWidget ((Widget) m_workArea);
316 XtDestroyWidget ((Widget) m_frameWidget);
317
318 wxDeleteWindowFromTable((Widget) m_frameWidget);
319
320 XtDestroyWidget ((Widget) m_frameShell);
321
322 SetMainWidget((WXWidget) NULL);
323
324 /* Check if it's the last top-level window */
325
326 if (wxTheApp && (wxTopLevelWindows.Number() == 0))
327 {
328 wxTheApp->SetTopWindow(NULL);
329
330 if (wxTheApp->GetExitOnFrameDelete())
331 {
332 // Signal to the app that we're going to close
333 wxTheApp->ExitMainLoop();
334 }
335 }
336
337 }
338
339 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
340 void wxFrame::GetClientSize(int *x, int *y) const
341 {
342 Dimension xx, yy;
343 XtVaGetValues((Widget) m_workArea, XmNwidth, &xx, XmNheight, &yy, NULL);
344
345 /* TODO
346 if (status_line_exists)
347 {
348 Dimension ys;
349 XtVaGetValues(statusLineWidget, XmNheight, &ys, NULL);
350 yy -= ys;
351 }
352 */
353
354 if (GetMenuBar() != (wxMenuBar*) NULL)
355 {
356 // it seems that if a frame holds a panel, the menu bar size
357 // gets automatically taken care of --- grano@cs.helsinki.fi 4.4.95
358 bool hasSubPanel = FALSE;
359 for(wxNode* node = GetChildren()->First(); node; node = node->Next())
360 {
361 wxWindow *win = (wxWindow *)node->Data();
362 hasSubPanel = (win->IsKindOf(CLASSINFO(wxPanel)) && !win->IsKindOf(CLASSINFO(wxDialog)));
363
364 if (hasSubPanel)
365 break;
366 }
367 if (! hasSubPanel) {
368 Dimension ys;
369 XtVaGetValues((Widget) GetMenuBarWidget(), XmNheight, &ys, NULL);
370 yy -= ys;
371 }
372 }
373
374 *x = xx; *y = yy;
375 }
376
377 // Set the client size (i.e. leave the calculation of borders etc.
378 // to wxWindows)
379 void wxFrame::SetClientSize(int width, int height)
380 {
381 // Calculate how large the new main window should be
382 // by finding the difference between the client area and the
383 // main window area, and adding on to the new client area
384 if (width > -1)
385 XtVaSetValues((Widget) m_workArea, XmNwidth, width, NULL);
386
387 if (height > -1)
388 {
389 /* TODO
390 if (status_line_exists)
391 {
392 Dimension ys;
393 XtVaGetValues(statusLineWidget, XmNheight, &ys, NULL);
394 height += ys;
395 }
396 */
397 XtVaSetValues((Widget) m_workArea, XmNheight, height, NULL);
398 }
399 PreResize();
400
401 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
402 sizeEvent.SetEventObject(this);
403
404 GetEventHandler()->ProcessEvent(sizeEvent);
405
406 }
407
408 void wxFrame::GetSize(int *width, int *height) const
409 {
410 Dimension xx, yy;
411 XtVaGetValues((Widget) m_frameShell, XmNwidth, &xx, XmNheight, &yy, NULL);
412 *width = xx; *height = yy;
413 }
414
415 void wxFrame::GetPosition(int *x, int *y) const
416 {
417 Window parent_window = XtWindow((Widget) m_frameShell),
418 next_parent = XtWindow((Widget) m_frameShell),
419 root = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
420
421 // search for the parent that is child of ROOT, because the WM may
422 // reparent twice and notify only the next parent (like FVWM)
423 while (next_parent != root) {
424 Window *theChildren; unsigned int n;
425 parent_window = next_parent;
426 XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
427 &next_parent, &theChildren, &n);
428 XFree(theChildren); // not needed
429 }
430 int xx, yy; unsigned int dummy;
431 XGetGeometry(XtDisplay((Widget) m_frameShell), parent_window, &root,
432 &xx, &yy, &dummy, &dummy, &dummy, &dummy);
433 if (x) *x = xx;
434 if (y) *y = yy;
435 }
436
437 void wxFrame::SetSize(int x, int y, int width, int height, int sizeFlags)
438 {
439 if (x > -1)
440 XtVaSetValues((Widget) m_frameShell, XmNx, x, NULL);
441 if (y > -1)
442 XtVaSetValues((Widget) m_frameShell, XmNy, y, NULL);
443 if (width > -1)
444 XtVaSetValues((Widget) m_frameWidget, XmNwidth, width, NULL);
445 if (height > -1)
446 XtVaSetValues((Widget) m_frameWidget, XmNheight, height, NULL);
447
448 if (!(height == -1 && width == -1))
449 {
450 PreResize();
451 wxSizeEvent sizeEvent(wxSize(width, height), GetId());
452 sizeEvent.SetEventObject(this);
453
454 GetEventHandler()->ProcessEvent(sizeEvent);
455 }
456 }
457
458 bool wxFrame::Show(bool show)
459 {
460 m_visibleStatus = show; /* show-&-hide fix */
461
462 m_isShown = show;
463 if (show) {
464 XtMapWidget((Widget) m_frameShell);
465 XRaiseWindow(XtDisplay((Widget) m_frameShell), XtWindow((Widget) m_frameShell));
466 } else {
467 XtUnmapWidget((Widget) m_frameShell);
468 // XmUpdateDisplay(wxTheApp->topLevel); // Experimental: may be responsible for crashes
469 }
470 return TRUE;
471 }
472
473 void wxFrame::Iconize(bool iconize)
474 {
475 if (!iconize)
476 Show(TRUE);
477
478 XtVaSetValues((Widget) m_frameShell, XmNiconic, (Boolean)iconize, NULL);
479 }
480
481 // Equivalent to maximize/restore in Windows
482 void wxFrame::Maximize(bool maximize)
483 {
484 Show(TRUE);
485
486 if (maximize)
487 XtVaSetValues((Widget) m_frameShell, XmNiconic, FALSE, NULL);
488 }
489
490 bool wxFrame::IsIconized() const
491 {
492 Boolean iconic;
493 XtVaGetValues((Widget) m_frameShell, XmNiconic, &iconic, NULL);
494 return iconic;
495 }
496
497 void wxFrame::SetTitle(const wxString& title)
498 {
499 if (title == m_title)
500 return;
501
502 m_title = title;
503
504 if (!title.IsNull())
505 XtVaSetValues((Widget) m_frameShell,
506 XmNtitle, (const char*) title,
507 XmNiconName, (const char*) title,
508 NULL);
509 }
510
511 void wxFrame::SetIcon(const wxIcon& icon)
512 {
513 m_icon = icon;
514
515 // TODO
516 /*
517 if (!icon.Ok() || !icon.GetPixmap())
518 return;
519
520 XtVaSetValues((Widget) m_frameShell, XtNiconPixmap, icon->.GetPixmap(), NULL);
521 */
522 }
523
524 wxStatusBar *wxFrame::OnCreateStatusBar(int number, long style, wxWindowID id,
525 const wxString& name)
526 {
527 wxStatusBar *statusBar = NULL;
528
529 statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20),
530 style, name);
531
532 // Set the height according to the font and the border size
533 wxClientDC dc(statusBar);
534 dc.SetFont(* statusBar->GetFont());
535
536 long x, y;
537 dc.GetTextExtent("X", &x, &y);
538
539 int height = (int)( (y * 1.1) + 2* statusBar->GetBorderY());
540
541 statusBar->SetSize(-1, -1, 100, height);
542
543 statusBar->SetFieldsCount(number);
544 return statusBar;
545 }
546
547 wxStatusBar* wxFrame::CreateStatusBar(int number, long style, wxWindowID id,
548 const wxString& name)
549 {
550 // Calling CreateStatusBar twice is an error.
551 wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
552 "recreating status bar in wxFrame" );
553
554 m_frameStatusBar = OnCreateStatusBar(number, style, id,
555 name);
556 if ( m_frameStatusBar )
557 {
558 PositionStatusBar();
559 return m_frameStatusBar;
560 }
561 else
562 return NULL;
563 }
564
565 void wxFrame::SetStatusText(const wxString& text, int number)
566 {
567 wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
568
569 m_frameStatusBar->SetStatusText(text, number);
570 }
571
572 void wxFrame::SetStatusWidths(int n, const int widths_field[])
573 {
574 wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
575
576 m_frameStatusBar->SetStatusWidths(n, widths_field);
577 PositionStatusBar();
578 }
579
580 void wxFrame::PositionStatusBar()
581 {
582 if (!m_frameStatusBar)
583 return;
584
585 int w, h;
586 GetClientSize(&w, &h);
587 int sw, sh;
588 m_frameStatusBar->GetSize(&sw, &sh);
589
590 // Since we wish the status bar to be directly under the client area,
591 // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
592 m_frameStatusBar->SetSize(0-sh, h, w, sh);
593 }
594
595 WXWidget wxFrame::GetMenuBarWidget() const
596 {
597 if (GetMenuBar())
598 return GetMenuBar()->GetMainWidget();
599 else
600 return (WXWidget) NULL;
601 }
602
603 void wxFrame::SetMenuBar(wxMenuBar *menuBar)
604 {
605 if (!menuBar)
606 {
607 m_frameMenuBar = NULL;
608 return;
609 }
610
611 // Currently can't set it twice
612 wxASSERT_MSG( (m_frameMenuBar == (wxMenuBar*) NULL), "Cannot set the menubar more than once");
613
614 m_frameMenuBar = menuBar;
615
616 Widget menuBarW = XmCreateMenuBar ((Widget) m_frameWidget, "MenuBar", NULL, 0);
617 m_frameMenuBar->SetMainWidget( (WXWidget) menuBarW);
618
619 int i;
620 for (i = 0; i < menuBar->GetMenuCount(); i++)
621 {
622 wxMenu *menu = menuBar->GetMenu(i);
623 wxString title(menuBar->m_titles[i]);
624 menu->SetButtonWidget(menu->CreateMenu (menuBar, menuBarW, menu, title, TRUE));
625
626 /*
627 * COMMENT THIS OUT IF YOU DON'T LIKE A RIGHT-JUSTIFIED HELP MENU
628 */
629 wxStripMenuCodes ((char*) (const char*) title, wxBuffer);
630
631 if (strcmp (wxBuffer, "Help") == 0)
632 XtVaSetValues ((Widget) menuBarW, XmNmenuHelpWidget, (Widget) menu->GetButtonWidget(), NULL);
633 }
634
635 XtRealizeWidget ((Widget) menuBarW);
636 XtManageChild ((Widget) menuBarW);
637 menuBar->SetMenuBarFrame(this);
638 }
639
640 void wxFrame::Fit()
641 {
642 // Work out max. size
643 wxNode *node = GetChildren()->First();
644 int max_width = 0;
645 int max_height = 0;
646 while (node)
647 {
648 // Find a child that's a subwindow, but not a dialog box.
649 wxWindow *win = (wxWindow *)node->Data();
650
651 if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
652 !win->IsKindOf(CLASSINFO(wxDialog)))
653 {
654 int width, height;
655 int x, y;
656 win->GetSize(&width, &height);
657 win->GetPosition(&x, &y);
658
659 if ((x + width) > max_width)
660 max_width = x + width;
661 if ((y + height) > max_height)
662 max_height = y + height;
663 }
664 node = node->Next();
665 }
666 SetClientSize(max_width, max_height);
667 }
668
669 // Responds to colour changes, and passes event on to children.
670 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
671 {
672 SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
673 Refresh();
674
675 if ( m_frameStatusBar )
676 {
677 wxSysColourChangedEvent event2;
678 event2.SetEventObject( m_frameStatusBar );
679 m_frameStatusBar->ProcessEvent(event2);
680 }
681
682 // Propagate the event to the non-top-level children
683 wxWindow::OnSysColourChanged(event);
684 }
685
686 // Default resizing behaviour - if only ONE subwindow,
687 // resize to client rectangle size
688 void wxFrame::OnSize(wxSizeEvent& event)
689 {
690 // if we're using constraints - do use them
691 #if USE_CONSTRAINTS
692 if ( GetAutoLayout() ) {
693 Layout();
694 return;
695 }
696 #endif
697
698 // do we have _exactly_ one child?
699 wxWindow *child = NULL;
700 for ( wxNode *node = GetChildren()->First(); node; node = node->Next() )
701 {
702 wxWindow *win = (wxWindow *)node->Data();
703 if ( !win->IsKindOf(CLASSINFO(wxFrame)) &&
704 !win->IsKindOf(CLASSINFO(wxDialog)) &&
705 (win != GetStatusBar()) &&
706 (win != GetToolBar()) )
707 {
708 if ( child )
709 return; // it's our second subwindow - nothing to do
710 child = win;
711 }
712 }
713
714 if ( child ) {
715 // we have exactly one child - set it's size to fill the whole frame
716 int clientW, clientH;
717 GetClientSize(&clientW, &clientH);
718
719 int x = 0;
720 int y = 0;
721
722 child->SetSize(x, y, clientW, clientH);
723 }
724 }
725
726 // Default activation behaviour - set the focus for the first child
727 // subwindow found.
728 void wxFrame::OnActivate(wxActivateEvent& event)
729 {
730 for(wxNode *node = GetChildren()->First(); node; node = node->Next())
731 {
732 // Find a child that's a subwindow, but not a dialog box.
733 wxWindow *child = (wxWindow *)node->Data();
734 if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
735 !child->IsKindOf(CLASSINFO(wxDialog)))
736 {
737 #if WXDEBUG > 1
738 wxDebugMsg("wxFrame::OnActivate: about to set the child's focus.\n");
739 #endif
740 child->SetFocus();
741 return;
742 }
743 }
744 }
745
746 // The default implementation for the close window event - calls
747 // OnClose for backward compatibility.
748
749 void wxFrame::OnCloseWindow(wxCloseEvent& event)
750 {
751 // Compatibility
752 if ( GetEventHandler()->OnClose() || event.GetForce())
753 {
754 this->Destroy();
755 }
756 }
757
758 bool wxFrame::OnClose()
759 {
760 return TRUE;
761 }
762
763 // Destroy the window (delayed, if a managed window)
764 bool wxFrame::Destroy()
765 {
766 if (!wxPendingDelete.Member(this))
767 wxPendingDelete.Append(this);
768 return TRUE;
769 }
770
771 // Default menu selection behaviour - display a help string
772 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
773 {
774 if (GetStatusBar())
775 {
776 if (event.GetMenuId() == -1)
777 SetStatusText("");
778 else
779 {
780 wxMenuBar *menuBar = GetMenuBar();
781 if (menuBar)
782 {
783 wxString helpString(menuBar->GetHelpString(event.GetMenuId()));
784 if (helpString != "")
785 SetStatusText(helpString);
786 }
787 }
788 }
789 }
790
791 wxMenuBar *wxFrame::GetMenuBar() const
792 {
793 return m_frameMenuBar;
794 }
795
796 void wxFrame::Centre(int direction)
797 {
798 int display_width, display_height, width, height, x, y;
799 wxDisplaySize(&display_width, &display_height);
800
801 GetSize(&width, &height);
802 GetPosition(&x, &y);
803
804 if (direction & wxHORIZONTAL)
805 x = (int)((display_width - width)/2);
806 if (direction & wxVERTICAL)
807 y = (int)((display_height - height)/2);
808
809 SetSize(x, y, width, height);
810 }
811
812 // Call this to simulate a menu command
813 void wxFrame::Command(int id)
814 {
815 ProcessCommand(id);
816 }
817
818 void wxFrame::ProcessCommand(int id)
819 {
820 wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, id);
821 commandEvent.SetInt( id );
822 commandEvent.SetEventObject( this );
823
824 wxMenuBar *bar = GetMenuBar() ;
825 if (!bar)
826 return;
827
828 /* TODO: check the menu item if required
829 wxMenuItem *item = bar->FindItemForId(id) ;
830 if (item && item->IsCheckable())
831 {
832 bar->Check(id,!bar->Checked(id)) ;
833 }
834 */
835
836 GetEventHandler()->ProcessEvent(commandEvent);
837 }
838
839 // Checks if there is a toolbar, and returns the first free client position
840 wxPoint wxFrame::GetClientAreaOrigin() const
841 {
842 wxPoint pt(0, 0);
843 if (GetToolBar())
844 {
845 int w, h;
846 GetToolBar()->GetSize(& w, & h);
847
848 if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
849 {
850 pt.x += w;
851 }
852 else
853 {
854 pt.y += h;
855 }
856 }
857 return pt;
858 }
859
860 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
861 {
862 wxCHECK_MSG( m_frameToolBar == NULL, FALSE,
863 "recreating toolbar in wxFrame" );
864
865 wxToolBar* toolBar = OnCreateToolBar(style, id, name);
866 if (toolBar)
867 {
868 SetToolBar(toolBar);
869 PositionToolBar();
870 return toolBar;
871 }
872 else
873 {
874 return NULL;
875 }
876 }
877
878 wxToolBar* wxFrame::OnCreateToolBar(long style, wxWindowID id, const wxString& name)
879 {
880 return new wxToolBar(this, id, wxDefaultPosition, wxDefaultSize, style, name);
881 }
882
883 void wxFrame::PositionToolBar()
884 {
885 int cw, ch;
886
887 // TODO: we actually need to use the low-level client size, before
888 // the toolbar/status bar were added.
889 // So DEFINITELY replace the line below with something appropriate.
890
891 GetClientSize(& cw, &ch);
892
893 if ( GetStatusBar() )
894 {
895 int statusX, statusY;
896 GetStatusBar()->GetClientSize(&statusX, &statusY);
897 ch -= statusY;
898 }
899
900 if (GetToolBar())
901 {
902 int tw, th;
903 GetToolBar()->GetSize(& tw, & th);
904
905 if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
906 {
907 // Use the 'real' position. wxSIZE_NO_ADJUSTMENTS
908 // means, pretend we don't have toolbar/status bar, so we
909 // have the original client size.
910 GetToolBar()->SetSize(0, 0, tw, ch, wxSIZE_NO_ADJUSTMENTS);
911 }
912 else
913 {
914 // Use the 'real' position
915 GetToolBar()->SetSize(0, 0, cw, th, wxSIZE_NO_ADJUSTMENTS);
916 }
917 }
918 }
919
920 void wxFrame::CaptureMouse()
921 {
922 if (m_winCaptured)
923 return;
924
925 if (GetMainWidget())
926 XtAddGrab((Widget) m_frameShell, TRUE, FALSE);
927 m_winCaptured = TRUE;
928 }
929
930 void wxFrame::ReleaseMouse()
931 {
932 if (!m_winCaptured)
933 return;
934
935 if (GetMainWidget())
936 XtRemoveGrab((Widget) m_frameShell);
937 m_winCaptured = FALSE;
938 }
939
940 void wxFrame::Raise(void)
941 {
942 Window parent_window = XtWindow((Widget) m_frameShell),
943 next_parent = XtWindow((Widget) m_frameShell),
944 root = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
945 // search for the parent that is child of ROOT, because the WM may
946 // reparent twice and notify only the next parent (like FVWM)
947 while (next_parent != root) {
948 Window *theChildren; unsigned int n;
949 parent_window = next_parent;
950 XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
951 &next_parent, &theChildren, &n);
952 XFree(theChildren); // not needed
953 }
954 XRaiseWindow(XtDisplay((Widget) m_frameShell), parent_window);
955 }
956
957 void wxFrame::Lower(void)
958 {
959 Window parent_window = XtWindow((Widget) m_frameShell),
960 next_parent = XtWindow((Widget) m_frameShell),
961 root = RootWindowOfScreen(XtScreen((Widget) m_frameShell));
962 // search for the parent that is child of ROOT, because the WM may
963 // reparent twice and notify only the next parent (like FVWM)
964 while (next_parent != root) {
965 Window *theChildren; unsigned int n;
966 parent_window = next_parent;
967 XQueryTree(XtDisplay((Widget) m_frameShell), parent_window, &root,
968 &next_parent, &theChildren, &n);
969 XFree(theChildren); // not needed
970 }
971 XLowerWindow(XtDisplay((Widget) m_frameShell), parent_window);
972 }
973
974 void wxFrame::SetToolBar(wxToolBar *toolbar)
975 { m_frameToolBar = toolbar; }
976
977 wxToolBar *wxFrame::GetToolBar() const
978 { return m_frameToolBar; }
979
980 static void wxFrameFocusProc(Widget workArea, XtPointer clientData,
981 XmAnyCallbackStruct *cbs)
982 {
983 wxFrame *frame = (wxFrame *)clientData;
984
985 // wxDebugMsg("focus proc from frame %ld\n",(long)frame);
986 // TODO
987 // frame->GetEventHandler()->OnSetFocus();
988 }
989
990 /* MATTEW: Used to insure that hide-&-show within an event cycle works */
991 static void wxFrameMapProc(Widget frameShell, XtPointer clientData,
992 XCrossingEvent * event)
993 {
994 wxFrame *frame = (wxFrame *)wxWidgetHashTable->Get((long)clientData);
995
996 if (frame) {
997 XEvent *e = (XEvent *)event;
998
999 if (e->xany.type == MapNotify)
1000 {
1001 // Iconize fix
1002 XtVaSetValues(frameShell, XmNiconic, (Boolean)False, NULL);
1003 if (!frame->GetVisibleStatus())
1004 {
1005 /* We really wanted this to be hidden! */
1006 XtUnmapWidget((Widget) frame->GetShellWidget());
1007 }
1008 }
1009 else if (e->xany.type == UnmapNotify)
1010 // Iconize fix
1011 XtVaSetValues(frameShell, XmNiconic, (Boolean)True, NULL);
1012 }
1013 }
1014
1015 //// Motif-specific
1016 bool wxFrame::PreResize()
1017 {
1018 PositionStatusBar();
1019 return TRUE;
1020 }
1021
1022 WXWidget wxFrame::GetClientWidget() const
1023 {
1024 return m_clientArea;
1025 }
1026
1027 void wxCloseFrameCallback(Widget widget, XtPointer client_data, XmAnyCallbackStruct *cbs)
1028 {
1029 wxFrame *frame = (wxFrame *)client_data;
1030
1031 wxCloseEvent closeEvent(wxEVT_CLOSE_WINDOW, frame->GetId());
1032 closeEvent.SetEventObject(frame);
1033
1034 // May delete the frame (with delayed deletion)
1035 frame->GetEventHandler()->ProcessEvent(closeEvent);
1036 }