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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: frame.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #ifdef __GNUG__
11 #pragma implementation "frame.h"
12 #endif
13
14 #include "wx/frame.h"
15 #include "wx/dialog.h"
16 #include "wx/control.h"
17 #include "wx/app.h"
18 #include "wx/menu.h"
19 #include "wx/toolbar.h"
20 #include "wx/statusbr.h"
21 #include "wx/dcclient.h"
22 #include "wx/gtk/win_gtk.h"
23
24 //-----------------------------------------------------------------------------
25 // constants
26 //-----------------------------------------------------------------------------
27
28 const int wxMENU_HEIGHT = 27;
29 const int wxSTATUS_HEIGHT = 25;
30
31 //-----------------------------------------------------------------------------
32 // data
33 //-----------------------------------------------------------------------------
34
35 extern wxList wxTopLevelWindows;
36 extern wxList wxPendingDelete;
37
38 //-----------------------------------------------------------------------------
39 // "size_allocate"
40 //-----------------------------------------------------------------------------
41
42 static void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxFrame *win )
43 {
44 if (!win->HasVMT()) return;
45
46 /*
47 printf( "OnFrameResize from " );
48 if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
49 printf( win->GetClassInfo()->GetClassName() );
50 printf( ".\n" );
51 */
52
53 if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
54 {
55 win->m_sizeSet = FALSE;
56 win->m_width = alloc->width;
57 win->m_height = alloc->height;
58 }
59 }
60
61 //-----------------------------------------------------------------------------
62 // "delete_event"
63 //-----------------------------------------------------------------------------
64
65 static gint gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxFrame *win )
66 {
67 /*
68 printf( "OnDelete from " );
69 if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
70 printf( win->GetClassInfo()->GetClassName() );
71 printf( ".\n" );
72 */
73
74 win->Close();
75
76 return TRUE;
77 }
78
79 //-----------------------------------------------------------------------------
80 // "configure_event"
81 //-----------------------------------------------------------------------------
82
83 static gint gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxFrame *win )
84 {
85 if (!win->HasVMT()) return FALSE;
86
87 win->m_x = event->x;
88 win->m_y = event->y;
89
90 return FALSE;
91 }
92
93 //-----------------------------------------------------------------------------
94 // wxFrame
95 //-----------------------------------------------------------------------------
96
97 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
98 EVT_SIZE(wxFrame::OnSize)
99 EVT_CLOSE(wxFrame::OnCloseWindow)
100 EVT_IDLE(wxFrame::OnIdle)
101 END_EVENT_TABLE()
102
103 IMPLEMENT_DYNAMIC_CLASS(wxFrame,wxWindow)
104
105 wxFrame::wxFrame()
106 {
107 m_frameMenuBar = (wxMenuBar *) NULL;
108 m_frameStatusBar = (wxStatusBar *) NULL;
109 m_frameToolBar = (wxToolBar *) NULL;
110 m_sizeSet = FALSE;
111 m_miniEdge = 0;
112 m_miniTitle = 0;
113 }
114
115 wxFrame::wxFrame( wxWindow *parent, wxWindowID id, const wxString &title,
116 const wxPoint &pos, const wxSize &size,
117 long style, const wxString &name )
118 {
119 m_frameMenuBar = (wxMenuBar *) NULL;
120 m_frameStatusBar = (wxStatusBar *) NULL;
121 m_frameToolBar = (wxToolBar *) NULL;
122 m_sizeSet = FALSE;
123 m_miniEdge = 0;
124 m_miniTitle = 0;
125 Create( parent, id, title, pos, size, style, name );
126 }
127
128 bool wxFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
129 const wxPoint &pos, const wxSize &size,
130 long style, const wxString &name )
131 {
132 wxTopLevelWindows.Append( this );
133
134 m_needParent = FALSE;
135
136 PreCreation( parent, id, pos, size, style, name );
137
138 m_title = title;
139
140 GtkWindowType win_type = GTK_WINDOW_TOPLEVEL;
141 if (style & wxSIMPLE_BORDER) win_type = GTK_WINDOW_POPUP;
142
143 m_widget = gtk_window_new( win_type );
144
145 #ifdef __WXDEBUG__
146 debug_focus_in( m_widget, "wxFrame::m_widget", name );
147 #endif
148
149 if ((size.x != -1) && (size.y != -1))
150 gtk_widget_set_usize( m_widget, m_width, m_height );
151 if ((pos.x != -1) && (pos.y != -1))
152 gtk_widget_set_uposition( m_widget, m_x, m_y );
153
154 gtk_window_set_title( GTK_WINDOW(m_widget), title );
155 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
156
157 gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL );
158
159 gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
160 GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
161
162 m_wxwindow = gtk_myfixed_new();
163 gtk_widget_show( m_wxwindow );
164 GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
165
166 #ifdef __WXDEBUG__
167 debug_focus_in( m_wxwindow, "wxFrame::m_wxwindow", name );
168 #endif
169
170 gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
171
172 gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
173 GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
174
175 gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
176 GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
177
178 if (m_parent) m_parent->AddChild( this );
179
180 PostCreation();
181
182 return TRUE;
183 }
184
185 wxFrame::~wxFrame()
186 {
187 if (m_frameMenuBar) delete m_frameMenuBar;
188 if (m_frameStatusBar) delete m_frameStatusBar;
189 if (m_frameToolBar) delete m_frameToolBar;
190
191 wxTopLevelWindows.DeleteObject( this );
192 if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
193 }
194
195 bool wxFrame::Show( bool show )
196 {
197 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
198
199 if (show && !m_sizeSet)
200 {
201 // by calling GtkOnSize here, we don't have to call
202 // either after showing the frame, which would entail
203 // much ugly flicker nor from within the size_allocate
204 // handler, because GTK 1.1.X forbids that.
205
206 GtkOnSize( m_x, m_y, m_width, m_height );
207 }
208
209 return wxWindow::Show( show );
210 }
211
212 void wxFrame::OnCloseWindow( wxCloseEvent &event )
213 {
214 if (GetEventHandler()->OnClose() || event.GetForce()) this->Destroy();
215 }
216
217 bool wxFrame::Destroy()
218 {
219 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
220
221 if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this);
222
223 return TRUE;
224 }
225
226 wxPoint wxFrame::GetClientAreaOrigin() const
227 {
228 wxPoint pt( m_miniEdge, m_miniEdge + m_miniTitle );
229 if (m_frameMenuBar)
230 {
231 int h = 0;
232 m_frameMenuBar->GetSize( (int*)NULL, &h );
233 pt.y += h;
234 }
235 if (m_frameToolBar)
236 {
237 int h = 0;
238 m_frameToolBar->GetSize( (int*)NULL, &h );
239 pt.y += h;
240 }
241 return pt;
242 }
243
244 void wxFrame::SetSize( int x, int y, int width, int height, int sizeFlags )
245 {
246 wxASSERT_MSG( (m_widget != NULL), "invalid window" );
247
248 // Don't do anything for children of wxMDIChildFrame
249 if (!m_wxwindow) return;
250
251 if (m_resizing) return; // I don't like recursions
252 m_resizing = TRUE;
253
254 int old_x = m_x;
255 int old_y = m_y;
256 int old_width = m_width;
257 int old_height = m_height;
258
259 if ((sizeFlags & wxSIZE_USE_EXISTING) == wxSIZE_USE_EXISTING)
260 {
261 if (x != -1) m_x = x;
262 if (y != -1) m_y = y;
263 if (width != -1) m_width = width;
264 if (height != -1) m_height = height;
265 }
266 else
267 {
268 m_x = x;
269 m_y = y;
270 m_width = width;
271 m_height = height;
272 }
273
274 if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
275 {
276 if (width == -1) m_width = 80;
277 }
278
279 if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
280 {
281 if (height == -1) m_height = 26;
282 }
283
284 if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
285 if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
286 if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_minWidth;
287 if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_minHeight;
288
289 if ((m_x != -1) || (m_y != -1))
290 {
291 if ((m_x != old_x) || (m_y != old_y))
292 gtk_widget_set_uposition( m_widget, m_x, m_y );
293 }
294
295 if ((m_width != old_width) || (m_height != old_height))
296 {
297 gtk_widget_set_usize( m_widget, m_width, m_height );
298 }
299
300 wxSizeEvent event( wxSize(m_width,m_height), GetId() );
301 event.SetEventObject( this );
302 GetEventHandler()->ProcessEvent( event );
303
304 m_resizing = FALSE;
305 }
306
307 void wxFrame::SetSize( int width, int height )
308 {
309 SetSize( -1, -1, width, height, wxSIZE_USE_EXISTING );
310 }
311
312 void wxFrame::Centre( int direction )
313 {
314 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
315
316 int x = 0;
317 int y = 0;
318
319 if (direction & wxHORIZONTAL == wxHORIZONTAL) x = (gdk_screen_width () - m_width) / 2;
320 if (direction & wxVERTICAL == wxVERTICAL) y = (gdk_screen_height () - m_height) / 2;
321
322 Move( x, y );
323 }
324
325 void wxFrame::GetClientSize( int *width, int *height ) const
326 {
327 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
328
329 wxWindow::GetClientSize( width, height );
330 if (height)
331 {
332 if (m_frameMenuBar) (*height) -= wxMENU_HEIGHT;
333 if (m_frameStatusBar) (*height) -= wxSTATUS_HEIGHT;
334 if (m_frameToolBar)
335 {
336 int y = 0;
337 m_frameToolBar->GetSize( (int *) NULL, &y );
338 (*height) -= y;
339 }
340 (*height) -= m_miniEdge*2 + m_miniTitle;
341 }
342 if (width)
343 {
344 (*width) -= m_miniEdge*2;
345 }
346 }
347
348 void wxFrame::SetClientSize( int const width, int const height )
349 {
350 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
351
352 int h = height;
353 if (m_frameMenuBar) h += wxMENU_HEIGHT;
354 if (m_frameStatusBar) h += wxSTATUS_HEIGHT;
355 if (m_frameToolBar)
356 {
357 int y = 0;
358 m_frameToolBar->GetSize( (int *) NULL, &y );
359 h += y;
360 }
361 wxWindow::SetClientSize( width + m_miniEdge*2, h + m_miniEdge*2 + m_miniTitle );
362 }
363
364 void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
365 {
366 // due to a bug in gtk, x,y are always 0
367 // m_x = x;
368 // m_y = y;
369
370 if (m_resizing) return;
371 m_resizing = TRUE;
372
373 if (!m_wxwindow) return;
374
375 m_width = width;
376 m_height = height;
377
378 if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
379 if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
380 if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_minWidth;
381 if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_minHeight;
382
383 gtk_widget_set_usize( m_widget, m_width, m_height );
384
385 // this emulates the new wxMSW behaviour of placing all
386 // frame-subwindows (menu, toolbar..) on one native window
387 // OK, this hurts in the eye, but I don't want to call SetSize()
388 // because I don't want to call any non-native functions here.
389
390 if (m_frameMenuBar)
391 {
392 int xx = m_miniEdge;
393 int yy = m_miniEdge + m_miniTitle;
394 int ww = m_width - 2*m_miniEdge;
395 int hh = wxMENU_HEIGHT;
396 m_frameMenuBar->m_x = xx;
397 m_frameMenuBar->m_y = yy;
398 m_frameMenuBar->m_width = ww;
399 m_frameMenuBar->m_height = hh;
400
401 gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameMenuBar->m_widget, xx, yy );
402 gtk_widget_set_usize( m_frameMenuBar->m_widget, ww, hh );
403 }
404
405 if (m_frameToolBar)
406 {
407 int xx = m_miniEdge;
408 int yy = m_miniEdge + m_miniTitle;
409 if (m_frameMenuBar) yy += wxMENU_HEIGHT;
410 int ww = m_width - 2*m_miniEdge;
411 int hh = m_frameToolBar->m_height;
412
413 m_frameToolBar->m_x = xx;
414 m_frameToolBar->m_y = yy;
415 m_frameToolBar->m_height = hh;
416 m_frameToolBar->m_width = ww;
417
418 gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameToolBar->m_widget, xx, yy );
419 gtk_widget_set_usize( m_frameToolBar->m_widget, ww, hh );
420 }
421
422 if (m_frameStatusBar)
423 {
424 int xx = 0 + m_miniEdge;
425 int yy = m_height - wxSTATUS_HEIGHT - m_miniEdge;
426 int ww = m_width - 2*m_miniEdge;
427 int hh = wxSTATUS_HEIGHT;
428
429 m_frameStatusBar->m_x = xx;
430 m_frameStatusBar->m_y = yy;
431 m_frameStatusBar->m_width = ww;
432 m_frameStatusBar->m_height = hh;
433
434 gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameStatusBar->m_widget, xx, yy );
435 gtk_widget_set_usize( m_frameStatusBar->m_widget, ww, hh );
436 }
437
438 m_sizeSet = TRUE;
439
440 wxSizeEvent event( wxSize(m_width,m_height), GetId() );
441 event.SetEventObject( this );
442 GetEventHandler()->ProcessEvent( event );
443
444 m_resizing = FALSE;
445 }
446
447 void wxFrame::OnIdle(wxIdleEvent& WXUNUSED(event) )
448 {
449 if (!m_sizeSet)
450 GtkOnSize( m_x, m_y, m_width, m_height );
451
452 DoMenuUpdates();
453 }
454
455 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
456 {
457 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
458
459 if (GetAutoLayout())
460 {
461 Layout();
462 }
463 else
464 {
465 // no child: go out !
466 if (!GetChildren().First()) return;
467
468 // do we have exactly one child?
469 wxWindow *child = (wxWindow *) NULL;
470 for(wxNode *node = GetChildren().First(); node; node = node->Next())
471 {
472 wxWindow *win = (wxWindow *)node->Data();
473 if (!wxIS_KIND_OF(win,wxFrame) && !wxIS_KIND_OF(win,wxDialog)
474 #if 0 // not in m_children anyway ?
475 && (win != m_frameMenuBar) &&
476 (win != m_frameToolBar) &&
477 (win != m_frameStatusBar)
478 #endif
479 )
480 {
481 // it's the second one: do nothing
482 if (child) return;
483 child = win;
484 }
485 }
486
487 // yes: set it's size to fill all the frame
488 int client_x, client_y;
489 GetClientSize( &client_x, &client_y );
490 child->SetSize( 1, 1, client_x-2, client_y-2 );
491 }
492 }
493
494 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
495 {
496 menu->SetInvokingWindow( win );
497 wxNode *node = menu->m_items.First();
498 while (node)
499 {
500 wxMenuItem *menuitem = (wxMenuItem*)node->Data();
501 if (menuitem->IsSubMenu())
502 SetInvokingWindow( menuitem->GetSubMenu(), win );
503 node = node->Next();
504 }
505 }
506
507 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
508 {
509 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
510 wxASSERT_MSG( (m_wxwindow != NULL), "invalid frame" );
511
512 m_frameMenuBar = menuBar;
513
514 if (m_frameMenuBar)
515 {
516 wxNode *node = m_frameMenuBar->m_menus.First();
517 while (node)
518 {
519 wxMenu *menu = (wxMenu*)node->Data();
520 SetInvokingWindow( menu, this );
521 node = node->Next();
522 }
523
524 if (m_frameMenuBar->m_parent != this)
525 {
526 m_frameMenuBar->m_parent = this;
527 gtk_myfixed_put( GTK_MYFIXED(m_wxwindow),
528 m_frameMenuBar->m_widget, m_frameMenuBar->m_x, m_frameMenuBar->m_y );
529 }
530 }
531
532 if (m_sizeSet) GtkOnSize( m_x, m_y, m_width, m_height );
533 }
534
535 wxMenuBar *wxFrame::GetMenuBar() const
536 {
537 return m_frameMenuBar;
538 }
539
540 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
541 {
542 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
543
544 wxCHECK_MSG( m_frameToolBar == NULL, FALSE, "recreating toolbar in wxFrame" );
545
546 m_frameToolBar = OnCreateToolBar( style, id, name );
547
548 GetChildren().DeleteObject( m_frameToolBar );
549
550 if (m_sizeSet) GtkOnSize( m_x, m_y, m_width, m_height );
551
552 return m_frameToolBar;
553 }
554
555 wxToolBar* wxFrame::OnCreateToolBar( long style, wxWindowID id, const wxString& name )
556 {
557 return new wxToolBar( this, id, wxDefaultPosition, wxDefaultSize, style, name );
558 }
559
560 wxToolBar *wxFrame::GetToolBar() const
561 {
562 return m_frameToolBar;
563 }
564
565 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
566 {
567 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
568
569 wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, "recreating status bar in wxFrame" );
570
571 m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
572
573 if (m_sizeSet) GtkOnSize( m_x, m_y, m_width, m_height );
574
575 return m_frameStatusBar;
576 }
577
578 wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
579 {
580 wxStatusBar *statusBar = (wxStatusBar *) NULL;
581
582 statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), style, name);
583
584 // Set the height according to the font and the border size
585 wxClientDC dc(statusBar);
586 dc.SetFont( statusBar->GetFont() );
587
588 long x, y;
589 dc.GetTextExtent( "X", &x, &y );
590
591 int height = (int)( (y * 1.1) + 2* statusBar->GetBorderY());
592
593 statusBar->SetSize( -1, -1, 100, height );
594
595 statusBar->SetFieldsCount( number );
596 return statusBar;
597 }
598
599 void wxFrame::SetStatusText(const wxString& text, int number)
600 {
601 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
602
603 wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
604
605 m_frameStatusBar->SetStatusText(text, number);
606 }
607
608 void wxFrame::SetStatusWidths(int n, const int widths_field[] )
609 {
610 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
611
612 wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
613
614 m_frameStatusBar->SetStatusWidths(n, widths_field);
615 }
616
617 wxStatusBar *wxFrame::GetStatusBar() const
618 {
619 return m_frameStatusBar;
620 }
621
622 void wxFrame::SetTitle( const wxString &title )
623 {
624 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
625
626 m_title = title;
627 if (m_title.IsNull()) m_title = "";
628 gtk_window_set_title( GTK_WINDOW(m_widget), title );
629 }
630
631 void wxFrame::SetIcon( const wxIcon &icon )
632 {
633 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
634
635 m_icon = icon;
636 if (!icon.Ok()) return;
637
638 wxMask *mask = icon.GetMask();
639 GdkBitmap *bm = (GdkBitmap *) NULL;
640 if (mask) bm = mask->GetBitmap();
641
642 gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
643 }
644