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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk1/frame.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 // For compilers that support precompilation, includes "wx.h".
11 #include "wx/wxprec.h"
12
13 // ============================================================================
14 // declarations
15 // ============================================================================
16
17 // ----------------------------------------------------------------------------
18 // headers
19 // ----------------------------------------------------------------------------
20
21 #include "wx/frame.h"
22
23 #ifndef WX_PRECOMP
24 #include "wx/app.h"
25 #include "wx/dcclient.h"
26 #include "wx/menu.h"
27 #include "wx/dialog.h"
28 #include "wx/control.h"
29 #include "wx/toolbar.h"
30 #include "wx/statusbr.h"
31 #endif // WX_PRECOMP
32
33 #include <glib.h>
34 #include "wx/gtk1/private.h"
35
36 #include <gdk/gdkkeysyms.h>
37 #include <gdk/gdkx.h>
38
39 #include "wx/gtk1/win_gtk.h"
40
41 // ----------------------------------------------------------------------------
42 // constants
43 // ----------------------------------------------------------------------------
44
45 const int wxSTATUS_HEIGHT = 25;
46 const int wxPLACE_HOLDER = 0;
47
48 // ----------------------------------------------------------------------------
49 // idle system
50 // ----------------------------------------------------------------------------
51
52 extern void wxapp_install_idle_handler();
53 extern bool g_isIdle;
54
55 // ----------------------------------------------------------------------------
56 // event tables
57 // ----------------------------------------------------------------------------
58
59 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxTopLevelWindow)
60
61 // ============================================================================
62 // implementation
63 // ============================================================================
64
65 // ----------------------------------------------------------------------------
66 // GTK callbacks
67 // ----------------------------------------------------------------------------
68
69 #if wxUSE_MENUS_NATIVE
70
71 //-----------------------------------------------------------------------------
72 // "child_attached" of menu bar
73 //-----------------------------------------------------------------------------
74
75 extern "C" {
76 static void gtk_menu_attached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
77 {
78 if (!win->m_hasVMT) return;
79
80 win->m_menuBarDetached = false;
81 win->GtkUpdateSize();
82 }
83 }
84
85 //-----------------------------------------------------------------------------
86 // "child_detached" of menu bar
87 //-----------------------------------------------------------------------------
88
89 extern "C" {
90 static void gtk_menu_detached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
91 {
92 if (g_isIdle)
93 wxapp_install_idle_handler();
94
95 if (!win->m_hasVMT) return;
96
97 // Raise the client area area
98 gdk_window_raise( win->m_wxwindow->window );
99
100 win->m_menuBarDetached = true;
101 win->GtkUpdateSize();
102 }
103 }
104
105 #endif // wxUSE_MENUS_NATIVE
106
107 #if wxUSE_TOOLBAR
108 //-----------------------------------------------------------------------------
109 // "child_attached" of tool bar
110 //-----------------------------------------------------------------------------
111
112 extern "C" {
113 static void gtk_toolbar_attached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
114 {
115 if (!win->m_hasVMT) return;
116
117 win->m_toolBarDetached = false;
118 win->GtkUpdateSize();
119 }
120 }
121
122 //-----------------------------------------------------------------------------
123 // "child_detached" of tool bar
124 //-----------------------------------------------------------------------------
125
126 extern "C" {
127 static void gtk_toolbar_detached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
128 {
129 if (g_isIdle)
130 wxapp_install_idle_handler();
131
132 if (!win->m_hasVMT) return;
133
134 // Raise the client area area
135 gdk_window_raise( win->m_wxwindow->window );
136
137 win->m_toolBarDetached = true;
138 win->GtkUpdateSize();
139 }
140 }
141 #endif // wxUSE_TOOLBAR
142
143
144 // ----------------------------------------------------------------------------
145 // wxFrame itself
146 // ----------------------------------------------------------------------------
147
148 //-----------------------------------------------------------------------------
149 // InsertChild for wxFrame
150 //-----------------------------------------------------------------------------
151
152 /* Callback for wxFrame. This very strange beast has to be used because
153 * C++ has no virtual methods in a constructor. We have to emulate a
154 * virtual function here as wxWidgets requires different ways to insert
155 * a child in container classes. */
156
157 static void wxInsertChildInFrame( wxFrame* parent, wxWindow* child )
158 {
159 wxASSERT( GTK_IS_WIDGET(child->m_widget) );
160
161 if (!parent->m_insertInClientArea)
162 {
163 // These are outside the client area
164 wxFrame* frame = (wxFrame*) parent;
165 gtk_pizza_put( GTK_PIZZA(frame->m_mainWidget),
166 GTK_WIDGET(child->m_widget),
167 child->m_x,
168 child->m_y,
169 child->m_width,
170 child->m_height );
171
172 #if wxUSE_TOOLBAR_NATIVE
173 // We connect to these events for recalculating the client area
174 // space when the toolbar is floating
175 if (wxIS_KIND_OF(child,wxToolBar))
176 {
177 wxToolBar *toolBar = (wxToolBar*) child;
178 if (toolBar->GetWindowStyle() & wxTB_DOCKABLE)
179 {
180 gtk_signal_connect( GTK_OBJECT(toolBar->m_widget), "child_attached",
181 GTK_SIGNAL_FUNC(gtk_toolbar_attached_callback), (gpointer)parent );
182
183 gtk_signal_connect( GTK_OBJECT(toolBar->m_widget), "child_detached",
184 GTK_SIGNAL_FUNC(gtk_toolbar_detached_callback), (gpointer)parent );
185 }
186 }
187 #endif // wxUSE_TOOLBAR
188 }
189 else
190 {
191 // These are inside the client area
192 gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
193 GTK_WIDGET(child->m_widget),
194 child->m_x,
195 child->m_y,
196 child->m_width,
197 child->m_height );
198 }
199
200 // Resize on OnInternalIdle
201 parent->GtkUpdateSize();
202 }
203
204 // ----------------------------------------------------------------------------
205 // wxFrame creation
206 // ----------------------------------------------------------------------------
207
208 void wxFrame::Init()
209 {
210 m_menuBarDetached = false;
211 m_toolBarDetached = false;
212 m_menuBarHeight = 2;
213 }
214
215 bool wxFrame::Create( wxWindow *parent,
216 wxWindowID id,
217 const wxString& title,
218 const wxPoint& pos,
219 const wxSize& sizeOrig,
220 long style,
221 const wxString &name )
222 {
223 bool rt = wxTopLevelWindow::Create(parent, id, title, pos, sizeOrig,
224 style, name);
225 m_insertCallback = (wxInsertChildFunction) wxInsertChildInFrame;
226
227 return rt;
228 }
229
230 wxFrame::~wxFrame()
231 {
232 m_isBeingDeleted = true;
233 DeleteAllBars();
234 }
235
236 // ----------------------------------------------------------------------------
237 // overridden wxWindow methods
238 // ----------------------------------------------------------------------------
239
240 void wxFrame::DoGetClientSize( int *width, int *height ) const
241 {
242 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
243
244 wxTopLevelWindow::DoGetClientSize( width, height );
245
246 if (height)
247 {
248 #if wxUSE_MENUS_NATIVE
249 // menu bar
250 if (m_frameMenuBar)
251 {
252 if (!m_menuBarDetached)
253 (*height) -= m_menuBarHeight;
254 else
255 (*height) -= wxPLACE_HOLDER;
256 }
257 #endif // wxUSE_MENUS_NATIVE
258
259 #if wxUSE_STATUSBAR
260 // status bar
261 if (m_frameStatusBar && m_frameStatusBar->IsShown())
262 (*height) -= wxSTATUS_HEIGHT;
263 #endif // wxUSE_STATUSBAR
264
265 #if wxUSE_TOOLBAR
266 // tool bar
267 if (m_frameToolBar && m_frameToolBar->IsShown())
268 {
269 if (m_toolBarDetached)
270 {
271 *height -= wxPLACE_HOLDER;
272 }
273 else
274 {
275 int x, y;
276 m_frameToolBar->GetSize( &x, &y );
277 if ( m_frameToolBar->GetWindowStyle() & wxTB_VERTICAL )
278 {
279 *width -= x;
280 }
281 else
282 {
283 *height -= y;
284 }
285 }
286 }
287 #endif // wxUSE_TOOLBAR
288 }
289 }
290
291 void wxFrame::DoSetClientSize( int width, int height )
292 {
293 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
294
295 #if wxUSE_MENUS_NATIVE
296 // menu bar
297 if (m_frameMenuBar)
298 {
299 if (!m_menuBarDetached)
300 height += m_menuBarHeight;
301 else
302 height += wxPLACE_HOLDER;
303 }
304 #endif // wxUSE_MENUS_NATIVE
305
306 #if wxUSE_STATUSBAR
307 // status bar
308 if (m_frameStatusBar && m_frameStatusBar->IsShown()) height += wxSTATUS_HEIGHT;
309 #endif
310
311 #if wxUSE_TOOLBAR
312 // tool bar
313 if (m_frameToolBar && m_frameToolBar->IsShown())
314 {
315 if (m_toolBarDetached)
316 {
317 height += wxPLACE_HOLDER;
318 }
319 else
320 {
321 int x, y;
322 m_frameToolBar->GetSize( &x, &y );
323 if ( m_frameToolBar->GetWindowStyle() & wxTB_VERTICAL )
324 {
325 width += x;
326 }
327 else
328 {
329 height += y;
330 }
331 }
332 }
333 #endif
334
335 wxTopLevelWindow::DoSetClientSize( width, height );
336 }
337
338 void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y),
339 int width, int height )
340 {
341 // due to a bug in gtk, x,y are always 0
342 // m_x = x;
343 // m_y = y;
344
345 // avoid recursions
346 if (m_resizing) return;
347 m_resizing = true;
348
349 // this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow
350 wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
351
352 m_width = width;
353 m_height = height;
354
355 // space occupied by m_frameToolBar and m_frameMenuBar
356 int client_area_x_offset = 0,
357 client_area_y_offset = 0;
358
359 /* wxMDIChildFrame derives from wxFrame but it _is_ a wxWindow as it uses
360 wxWindow::Create to create it's GTK equivalent. m_mainWidget is only
361 set in wxFrame::Create so it is used to check what kind of frame we
362 have here. if m_mainWidget is NULL it is a wxMDIChildFrame and so we
363 skip the part which handles m_frameMenuBar, m_frameToolBar and (most
364 importantly) m_mainWidget */
365
366 int minWidth = GetMinWidth(),
367 minHeight = GetMinHeight(),
368 maxWidth = GetMaxWidth(),
369 maxHeight = GetMaxHeight();
370
371 if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
372 if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
373 if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
374 if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
375
376 if (m_mainWidget)
377 {
378 // set size hints
379 gint flag = 0; // GDK_HINT_POS;
380 if ((minWidth != -1) || (minHeight != -1)) flag |= GDK_HINT_MIN_SIZE;
381 if ((maxWidth != -1) || (maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE;
382 GdkGeometry geom;
383 geom.min_width = minWidth;
384 geom.min_height = minHeight;
385 geom.max_width = maxWidth;
386 geom.max_height = maxHeight;
387 gtk_window_set_geometry_hints( GTK_WINDOW(m_widget),
388 (GtkWidget*) NULL,
389 &geom,
390 (GdkWindowHints) flag );
391
392 // I revert back to wxGTK's original behaviour. m_mainWidget holds
393 // the menubar, the toolbar and the client area, which is represented
394 // by m_wxwindow.
395 // This hurts in the eye, but I don't want to call SetSize()
396 // because I don't want to call any non-native functions here.
397
398 #if wxUSE_MENUS_NATIVE
399 if (m_frameMenuBar)
400 {
401 int xx = m_miniEdge;
402 int yy = m_miniEdge + m_miniTitle;
403 int ww = m_width - 2*m_miniEdge;
404 int hh = m_menuBarHeight;
405 if (m_menuBarDetached) hh = wxPLACE_HOLDER;
406 m_frameMenuBar->m_x = xx;
407 m_frameMenuBar->m_y = yy;
408 m_frameMenuBar->m_width = ww;
409 m_frameMenuBar->m_height = hh;
410 gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
411 m_frameMenuBar->m_widget,
412 xx, yy, ww, hh );
413 client_area_y_offset += hh;
414 }
415 #endif // wxUSE_MENUS_NATIVE
416
417 #if wxUSE_TOOLBAR
418 if ((m_frameToolBar) && m_frameToolBar->IsShown() &&
419 (m_frameToolBar->m_widget->parent == m_mainWidget))
420 {
421 int xx = m_miniEdge;
422 int yy = m_miniEdge + m_miniTitle;
423 #if wxUSE_MENUS_NATIVE
424 if (m_frameMenuBar)
425 {
426 if (!m_menuBarDetached)
427 yy += m_menuBarHeight;
428 else
429 yy += wxPLACE_HOLDER;
430 }
431 #endif // wxUSE_MENUS_NATIVE
432
433 m_frameToolBar->m_x = xx;
434 m_frameToolBar->m_y = yy;
435
436 // don't change the toolbar's reported height/width
437 int ww, hh;
438 if ( m_frameToolBar->GetWindowStyle() & wxTB_VERTICAL )
439 {
440 ww = m_toolBarDetached ? wxPLACE_HOLDER
441 : m_frameToolBar->m_width;
442 hh = m_height - 2*m_miniEdge;
443
444 client_area_x_offset += ww;
445 }
446 else
447 {
448 ww = m_width - 2*m_miniEdge;
449 hh = m_toolBarDetached ? wxPLACE_HOLDER
450 : m_frameToolBar->m_height;
451
452 client_area_y_offset += hh;
453 }
454
455 gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
456 m_frameToolBar->m_widget,
457 xx, yy, ww, hh );
458 }
459 #endif // wxUSE_TOOLBAR
460
461 int client_x = client_area_x_offset + m_miniEdge;
462 int client_y = client_area_y_offset + m_miniEdge + m_miniTitle;
463 int client_w = m_width - client_area_x_offset - 2*m_miniEdge;
464 int client_h = m_height - client_area_y_offset- 2*m_miniEdge - m_miniTitle;
465 gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
466 m_wxwindow,
467 client_x, client_y, client_w, client_h );
468 }
469 else
470 {
471 // If there is no m_mainWidget between m_widget and m_wxwindow there
472 // is no need to set the size or position of m_wxwindow.
473 }
474
475 #if wxUSE_STATUSBAR
476 if (m_frameStatusBar && m_frameStatusBar->IsShown())
477 {
478 int xx = 0 + m_miniEdge;
479 int yy = m_height - wxSTATUS_HEIGHT - m_miniEdge - client_area_y_offset;
480 int ww = m_width - 2*m_miniEdge;
481 int hh = wxSTATUS_HEIGHT;
482 m_frameStatusBar->m_x = xx;
483 m_frameStatusBar->m_y = yy;
484 m_frameStatusBar->m_width = ww;
485 m_frameStatusBar->m_height = hh;
486 gtk_pizza_set_size( GTK_PIZZA(m_wxwindow),
487 m_frameStatusBar->m_widget,
488 xx, yy, ww, hh );
489 gtk_widget_draw( m_frameStatusBar->m_widget, (GdkRectangle*) NULL );
490 }
491 #endif // wxUSE_STATUSBAR
492
493 m_sizeSet = true;
494
495 // send size event to frame
496 wxSizeEvent event( wxSize(m_width,m_height), GetId() );
497 event.SetEventObject( this );
498 HandleWindowEvent( event );
499
500 #if wxUSE_STATUSBAR
501 // send size event to status bar
502 if (m_frameStatusBar)
503 {
504 wxSizeEvent event2( wxSize(m_frameStatusBar->m_width,m_frameStatusBar->m_height), m_frameStatusBar->GetId() );
505 event2.SetEventObject( m_frameStatusBar );
506 m_frameStatusBar->HandleWindowEvent( event2 );
507 }
508 #endif // wxUSE_STATUSBAR
509
510 m_resizing = false;
511 }
512
513 void wxFrame::OnInternalIdle()
514 {
515 wxFrameBase::OnInternalIdle();
516
517 #if wxUSE_MENUS_NATIVE
518 if (m_frameMenuBar) m_frameMenuBar->OnInternalIdle();
519 #endif // wxUSE_MENUS_NATIVE
520 #if wxUSE_TOOLBAR
521 if (m_frameToolBar) m_frameToolBar->OnInternalIdle();
522 #endif
523 #if wxUSE_STATUSBAR
524 if (m_frameStatusBar)
525 {
526 m_frameStatusBar->OnInternalIdle();
527
528 // There may be controls in the status bar that
529 // need to be updated
530 for ( wxWindowList::compatibility_iterator node = m_frameStatusBar->GetChildren().GetFirst();
531 node;
532 node = node->GetNext() )
533 {
534 wxWindow *child = node->GetData();
535 child->OnInternalIdle();
536 }
537 }
538 #endif
539 }
540
541 // ----------------------------------------------------------------------------
542 // menu/tool/status bar stuff
543 // ----------------------------------------------------------------------------
544
545 #if wxUSE_MENUS_NATIVE
546
547 void wxFrame::DetachMenuBar()
548 {
549 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
550 wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
551
552 if ( m_frameMenuBar )
553 {
554 m_frameMenuBar->UnsetInvokingWindow( this );
555
556 if (m_frameMenuBar->GetWindowStyle() & wxMB_DOCKABLE)
557 {
558 gtk_signal_disconnect_by_func( GTK_OBJECT(m_frameMenuBar->m_widget),
559 GTK_SIGNAL_FUNC(gtk_menu_attached_callback), (gpointer)this );
560
561 gtk_signal_disconnect_by_func( GTK_OBJECT(m_frameMenuBar->m_widget),
562 GTK_SIGNAL_FUNC(gtk_menu_detached_callback), (gpointer)this );
563 }
564
565 gtk_widget_ref( m_frameMenuBar->m_widget );
566
567 gtk_container_remove( GTK_CONTAINER(m_mainWidget), m_frameMenuBar->m_widget );
568 }
569
570 wxFrameBase::DetachMenuBar();
571 }
572
573 void wxFrame::AttachMenuBar( wxMenuBar *menuBar )
574 {
575 wxFrameBase::AttachMenuBar(menuBar);
576
577 if (m_frameMenuBar)
578 {
579 m_frameMenuBar->SetInvokingWindow( this );
580
581 m_frameMenuBar->SetParent(this);
582 gtk_pizza_put( GTK_PIZZA(m_mainWidget),
583 m_frameMenuBar->m_widget,
584 m_frameMenuBar->m_x,
585 m_frameMenuBar->m_y,
586 m_frameMenuBar->m_width,
587 m_frameMenuBar->m_height );
588
589 if (menuBar->GetWindowStyle() & wxMB_DOCKABLE)
590 {
591 gtk_signal_connect( GTK_OBJECT(menuBar->m_widget), "child_attached",
592 GTK_SIGNAL_FUNC(gtk_menu_attached_callback), (gpointer)this );
593
594 gtk_signal_connect( GTK_OBJECT(menuBar->m_widget), "child_detached",
595 GTK_SIGNAL_FUNC(gtk_menu_detached_callback), (gpointer)this );
596 }
597
598 gtk_widget_show( m_frameMenuBar->m_widget );
599
600 UpdateMenuBarSize();
601 }
602 else
603 {
604 m_menuBarHeight = 2;
605 GtkUpdateSize(); // resize window in OnInternalIdle
606 }
607 }
608
609 void wxFrame::UpdateMenuBarSize()
610 {
611 GtkRequisition req;
612
613 req.width = 2;
614 req.height = 2;
615
616 // this is called after Remove with a NULL m_frameMenuBar
617 if ( m_frameMenuBar )
618 (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_frameMenuBar->m_widget) )->size_request )
619 (m_frameMenuBar->m_widget, &req );
620
621 m_menuBarHeight = req.height;
622
623 // resize window in OnInternalIdle
624
625 GtkUpdateSize();
626 }
627
628 #endif // wxUSE_MENUS_NATIVE
629
630 #if wxUSE_TOOLBAR
631
632 wxToolBar* wxFrame::CreateToolBar( long style, wxWindowID id, const wxString& name )
633 {
634 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
635
636 m_insertInClientArea = false;
637
638 m_frameToolBar = wxFrameBase::CreateToolBar( style, id, name );
639
640 m_insertInClientArea = true;
641
642 GtkUpdateSize();
643
644 return m_frameToolBar;
645 }
646
647 void wxFrame::SetToolBar(wxToolBar *toolbar)
648 {
649 bool hadTbar = m_frameToolBar != NULL;
650
651 wxFrameBase::SetToolBar(toolbar);
652
653 if ( m_frameToolBar )
654 {
655 // insert into toolbar area if not already there
656 if ((m_frameToolBar->m_widget->parent) &&
657 (m_frameToolBar->m_widget->parent != m_mainWidget))
658 {
659 GetChildren().DeleteObject( m_frameToolBar );
660
661 gtk_widget_reparent( m_frameToolBar->m_widget, m_mainWidget );
662 GtkUpdateSize();
663 }
664 }
665 else // toolbar unset
666 {
667 // still need to update size if it had been there before
668 if ( hadTbar )
669 {
670 GtkUpdateSize();
671 }
672 }
673 }
674
675 #endif // wxUSE_TOOLBAR
676
677 #if wxUSE_STATUSBAR
678
679 wxStatusBar* wxFrame::CreateStatusBar(int number,
680 long style,
681 wxWindowID id,
682 const wxString& name)
683 {
684 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
685
686 // because it will change when toolbar is added
687 GtkUpdateSize();
688
689 return wxFrameBase::CreateStatusBar( number, style, id, name );
690 }
691
692 void wxFrame::SetStatusBar(wxStatusBar *statbar)
693 {
694 bool hadStatBar = m_frameStatusBar != NULL;
695
696 wxFrameBase::SetStatusBar(statbar);
697
698 if (hadStatBar && !m_frameStatusBar)
699 GtkUpdateSize();
700 }
701
702 void wxFrame::PositionStatusBar()
703 {
704 if ( !m_frameStatusBar )
705 return;
706
707 GtkUpdateSize();
708 }
709 #endif // wxUSE_STATUSBAR