Added wxControl::PostCreation for wxGTK. Moved calls to
[wxWidgets.git] / src / gtk / radiobox.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: radiobox.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
11 #pragma implementation "radiobox.h"
12 #endif
13
14 // For compilers that support precompilation, includes "wx.h".
15 #include "wx/wxprec.h"
16
17 #if wxUSE_RADIOBOX
18
19 #include "wx/radiobox.h"
20
21 #include "wx/dialog.h"
22 #include "wx/frame.h"
23 #include "wx/log.h"
24
25 #include "wx/gtk/private.h"
26 #include <gdk/gdkkeysyms.h>
27
28 #include "wx/gtk/win_gtk.h"
29
30 //-----------------------------------------------------------------------------
31 // idle system
32 //-----------------------------------------------------------------------------
33
34 extern void wxapp_install_idle_handler();
35 extern bool g_isIdle;
36
37 //-----------------------------------------------------------------------------
38 // data
39 //-----------------------------------------------------------------------------
40
41 extern bool g_blockEventsOnDrag;
42 extern wxWindowGTK *g_delayedFocus;
43
44 //-----------------------------------------------------------------------------
45 // "clicked"
46 //-----------------------------------------------------------------------------
47
48 static void gtk_radiobutton_clicked_callback( GtkToggleButton *button, wxRadioBox *rb )
49 {
50 if (g_isIdle) wxapp_install_idle_handler();
51
52 if (!rb->m_hasVMT) return;
53 if (g_blockEventsOnDrag) return;
54
55 if (!button->active) return;
56
57 wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, rb->GetId() );
58 event.SetInt( rb->GetSelection() );
59 event.SetString( rb->GetStringSelection() );
60 event.SetEventObject( rb );
61 rb->GetEventHandler()->ProcessEvent(event);
62 }
63
64 //-----------------------------------------------------------------------------
65 // "key_press_event"
66 //-----------------------------------------------------------------------------
67
68 static gint gtk_radiobox_keypress_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxRadioBox *rb )
69 {
70 if (g_isIdle)
71 wxapp_install_idle_handler();
72
73 if (!rb->m_hasVMT) return FALSE;
74 if (g_blockEventsOnDrag) return FALSE;
75
76 if ((gdk_event->keyval != GDK_Up) &&
77 (gdk_event->keyval != GDK_Down) &&
78 (gdk_event->keyval != GDK_Left) &&
79 (gdk_event->keyval != GDK_Right))
80 {
81 return FALSE;
82 }
83
84 wxList::compatibility_iterator node = rb->m_boxes.Find( (wxObject*) widget );
85 if (!node)
86 {
87 return FALSE;
88 }
89
90 gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
91
92 if ((gdk_event->keyval == GDK_Up) ||
93 (gdk_event->keyval == GDK_Left))
94 {
95 if (node == rb->m_boxes.GetFirst())
96 node = rb->m_boxes.GetLast();
97 else
98 node = node->GetPrevious();
99 }
100 else
101 {
102 if (node == rb->m_boxes.GetLast())
103 node = rb->m_boxes.GetFirst();
104 else
105 node = node->GetNext();
106 }
107
108 GtkWidget *button = (GtkWidget*) node->GetData();
109
110 gtk_widget_grab_focus( button );
111
112 return TRUE;
113 }
114
115 static gint gtk_radiobutton_focus_in( GtkWidget *widget,
116 GdkEvent *WXUNUSED(event),
117 wxRadioBox *win )
118 {
119 if ( win->m_lostFocus )
120 {
121 // no, we didn't really lose it
122 win->m_lostFocus = FALSE;
123 }
124 else if ( !win->m_hasFocus )
125 {
126 win->m_hasFocus = TRUE;
127
128 wxFocusEvent event( wxEVT_SET_FOCUS, win->GetId() );
129 event.SetEventObject( win );
130
131 // never stop the signal emission, it seems to break the kbd handling
132 // inside the radiobox
133 (void)win->GetEventHandler()->ProcessEvent( event );
134 }
135
136 return FALSE;
137 }
138
139 static gint gtk_radiobutton_focus_out( GtkWidget *widget,
140 GdkEvent *WXUNUSED(event),
141 wxRadioBox *win )
142 {
143 // wxASSERT_MSG( win->m_hasFocus, _T("got focus out without any focus in?") );
144 // Replace with a warning, else we dump core a lot!
145 // if (!win->m_hasFocus)
146 // wxLogWarning(_T("Radiobox got focus out without any focus in.") );
147
148 // we might have lost the focus, but may be not - it may have just gone to
149 // another button in the same radiobox, so we'll check for it in the next
150 // idle iteration (leave m_hasFocus == TRUE for now)
151 win->m_lostFocus = TRUE;
152
153 return FALSE;
154 }
155
156 //-----------------------------------------------------------------------------
157 // wxRadioBox
158 //-----------------------------------------------------------------------------
159
160 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox,wxControl)
161
162 void wxRadioBox::Init()
163 {
164 m_needParent = TRUE;
165 m_acceptsFocus = TRUE;
166
167 m_hasFocus =
168 m_lostFocus = FALSE;
169 }
170
171 bool wxRadioBox::Create( wxWindow *parent, wxWindowID id,
172 const wxString& title,
173 const wxPoint &pos, const wxSize &size,
174 const wxArrayString& choices, int majorDim,
175 long style, const wxValidator& validator,
176 const wxString &name )
177 {
178 wxCArrayString chs(choices);
179
180 return Create( parent, id, title, pos, size, chs.GetCount(),
181 chs.GetStrings(), majorDim, style, validator, name );
182 }
183
184 bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title,
185 const wxPoint &pos, const wxSize &size,
186 int n, const wxString choices[], int majorDim,
187 long style, const wxValidator& validator,
188 const wxString &name )
189 {
190 if (!PreCreation( parent, pos, size ) ||
191 !CreateBase( parent, id, pos, size, style, validator, name ))
192 {
193 wxFAIL_MSG( wxT("wxRadioBox creation failed") );
194 return FALSE;
195 }
196
197 m_widget = gtk_frame_new( wxGTK_CONV( title ) );
198
199 // majorDim may be 0 if all trailing parameters were omitted, so don't
200 // assert here but just use the correct value for it
201 m_majorDim = majorDim == 0 ? n : majorDim;
202
203 GtkRadioButton *m_radio = (GtkRadioButton*) NULL;
204
205 wxString label;
206 GSList *radio_button_group = (GSList *) NULL;
207 for (int i = 0; i < n; i++)
208 {
209 if ( i != 0 )
210 radio_button_group = gtk_radio_button_group( GTK_RADIO_BUTTON(m_radio) );
211
212 label.Empty();
213 for ( const wxChar *pc = choices[i]; *pc; pc++ )
214 {
215 if ( *pc != wxT('&') )
216 label += *pc;
217 }
218
219 m_radio = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, wxGTK_CONV( label ) ) );
220
221 gtk_signal_connect( GTK_OBJECT(m_radio), "key_press_event",
222 GTK_SIGNAL_FUNC(gtk_radiobox_keypress_callback), (gpointer)this );
223
224 m_boxes.Append( (wxObject*) m_radio );
225
226 ConnectWidget( GTK_WIDGET(m_radio) );
227
228 if (!i) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio), TRUE );
229
230 gtk_signal_connect( GTK_OBJECT(m_radio), "clicked",
231 GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
232
233 gtk_signal_connect( GTK_OBJECT(m_radio), "focus_in_event",
234 GTK_SIGNAL_FUNC(gtk_radiobutton_focus_in), (gpointer)this );
235
236 gtk_signal_connect( GTK_OBJECT(m_radio), "focus_out_event",
237 GTK_SIGNAL_FUNC(gtk_radiobutton_focus_out), (gpointer)this );
238
239 gtk_pizza_put( GTK_PIZZA(m_parent->m_wxwindow),
240 GTK_WIDGET(m_radio),
241 m_x+10, m_y+10+(i*24), 10, 10 );
242 }
243
244 m_parent->DoAddChild( this );
245
246 bool wasShown = IsShown();
247 if ( wasShown )
248 Hide(); // prevent PostCreation() from showing us
249
250 SetLabel( title );
251
252 PostCreation(size);
253
254 if ( wasShown )
255 Show();
256
257 return TRUE;
258 }
259
260 wxRadioBox::~wxRadioBox()
261 {
262 wxList::compatibility_iterator node = m_boxes.GetFirst();
263 while (node)
264 {
265 GtkWidget *button = GTK_WIDGET( node->GetData() );
266 gtk_widget_destroy( button );
267 node = node->GetNext();
268 }
269 }
270
271 void wxRadioBox::DoSetSize( int x, int y, int width, int height, int sizeFlags )
272 {
273 wxWindow::DoSetSize( x, y, width, height, sizeFlags );
274
275 LayoutItems(false);
276 }
277
278 wxSize wxRadioBox::DoGetBestSize() const
279 {
280 wxSize size = LayoutItems(true);
281
282 GtkRequisition req;
283 req.width = 2;
284 req.height = 2;
285 (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request ) (m_widget, &req );
286 if (req.width > size.x)
287 size.x = req.width;
288
289 return size;
290 }
291
292 wxSize wxRadioBox::LayoutItems(bool justCalc) const
293 {
294 wxSize res( 0, 0 );
295
296 // avoid dividing by 0 below
297 wxCHECK_MSG( m_majorDim, res, wxT("dimension of radiobox should not be 0!") );
298
299 int num_per_major = (m_boxes.GetCount() - 1) / m_majorDim +1;
300
301 int x = 7;
302 int y = 15;
303
304 int num_of_cols = 0;
305 int num_of_rows = 0;
306 if (HasFlag(wxRA_SPECIFY_COLS))
307 {
308 num_of_cols = m_majorDim;
309 num_of_rows = num_per_major;
310 }
311 else
312 {
313 num_of_cols = num_per_major;
314 num_of_rows = m_majorDim;
315 }
316
317 int lineheight = GetCharHeight()+2;
318
319 if ( HasFlag(wxRA_SPECIFY_COLS) ||
320 (HasFlag(wxRA_SPECIFY_ROWS) && (num_of_cols > 1)) )
321 {
322 for (int j = 0; j < num_of_cols; j++)
323 {
324 y = 3;
325 y += lineheight;
326
327 int max_len = 0;
328 wxList::compatibility_iterator node = m_boxes.Item( j*num_of_rows );
329 for (int i1 = 0; i1< num_of_rows; i1++)
330 {
331 GtkWidget *button = GTK_WIDGET( node->GetData() );
332
333 GtkRequisition req;
334 req.width = 2;
335 req.height = 2;
336 (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(button) )->size_request )
337 (button, &req );
338
339 if (req.width > max_len) max_len = req.width;
340
341 if ( !justCalc )
342 gtk_pizza_move( GTK_PIZZA(m_parent->m_wxwindow), button, m_x+x, m_y+y );
343 y += req.height;
344
345 node = node->GetNext();
346 if (!node) break;
347 }
348
349 // we don't know the max_len before
350
351 node = m_boxes.Item( j*num_of_rows );
352 for (int i2 = 0; i2< num_of_rows; i2++)
353 {
354 GtkWidget *button = GTK_WIDGET( node->GetData() );
355
356 if ( !justCalc )
357 gtk_pizza_resize( GTK_PIZZA(m_parent->m_wxwindow), button, max_len, lineheight );
358
359 node = node->GetNext();
360 if (!node) break;
361 }
362
363 if (y > res.y) res.y = y;
364
365 x += max_len + 2;
366 }
367
368 res.x = x+4;
369 res.y += 4;
370 }
371 else
372 {
373 int max = 0;
374
375 wxList::compatibility_iterator node = m_boxes.GetFirst();
376 while (node)
377 {
378 GtkWidget *button = GTK_WIDGET( node->GetData() );
379
380 GtkRequisition req;
381 req.width = 2;
382 req.height = 2;
383 (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(button) )->size_request )
384 (button, &req );
385
386 if (req.width > max) max = req.width;
387
388 node = node->GetNext();
389 }
390
391 node = m_boxes.GetFirst();
392 while (node)
393 {
394 GtkWidget *button = GTK_WIDGET( node->GetData() );
395
396 if ( !justCalc )
397 gtk_pizza_set_size( GTK_PIZZA(m_parent->m_wxwindow), button, m_x+x, m_y+y, max, lineheight );
398 x += max;
399
400 node = node->GetNext();
401 }
402 res.x = x+4;
403 res.y = 40;
404 }
405
406 return res;
407 }
408
409 bool wxRadioBox::Show( bool show )
410 {
411 wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid radiobox") );
412
413 if (!wxControl::Show(show))
414 {
415 // nothing to do
416 return FALSE;
417 }
418
419 if ( HasFlag(wxNO_BORDER) )
420 gtk_widget_hide( m_widget );
421
422 wxList::compatibility_iterator node = m_boxes.GetFirst();
423 while (node)
424 {
425 GtkWidget *button = GTK_WIDGET( node->GetData() );
426
427 if (show) gtk_widget_show( button ); else gtk_widget_hide( button );
428
429 node = node->GetNext();
430 }
431
432 return TRUE;
433 }
434
435 int wxRadioBox::FindString( const wxString &find ) const
436 {
437 wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid radiobox") );
438
439 int count = 0;
440
441 wxList::compatibility_iterator node = m_boxes.GetFirst();
442 while (node)
443 {
444 GtkLabel *label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );
445 #ifdef __WXGTK20__
446 wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
447 #else
448 wxString str( label->label );
449 #endif
450 if (find == str)
451 return count;
452
453 count++;
454
455 node = node->GetNext();
456 }
457
458 return -1;
459 }
460
461 void wxRadioBox::SetFocus()
462 {
463 wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
464
465 if (m_boxes.GetCount() == 0) return;
466
467 wxList::compatibility_iterator node = m_boxes.GetFirst();
468 while (node)
469 {
470 GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
471 if (button->active)
472 {
473 gtk_widget_grab_focus( GTK_WIDGET(button) );
474 return;
475 }
476 node = node->GetNext();
477 }
478 }
479
480 void wxRadioBox::SetSelection( int n )
481 {
482 wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
483
484 wxList::compatibility_iterator node = m_boxes.Item( n );
485
486 wxCHECK_RET( node, wxT("radiobox wrong index") );
487
488 GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
489
490 GtkDisableEvents();
491
492 gtk_toggle_button_set_active( button, 1 );
493
494 GtkEnableEvents();
495 }
496
497 int wxRadioBox::GetSelection(void) const
498 {
499 wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid radiobox") );
500
501 int count = 0;
502
503 wxList::compatibility_iterator node = m_boxes.GetFirst();
504 while (node)
505 {
506 GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
507 if (button->active) return count;
508 count++;
509 node = node->GetNext();
510 }
511
512 wxFAIL_MSG( wxT("wxRadioBox none selected") );
513
514 return -1;
515 }
516
517 wxString wxRadioBox::GetString( int n ) const
518 {
519 wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid radiobox") );
520
521 wxList::compatibility_iterator node = m_boxes.Item( n );
522
523 wxCHECK_MSG( node, wxT(""), wxT("radiobox wrong index") );
524
525 GtkLabel *label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );
526
527 #ifdef __WXGTK20__
528 wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
529 #else
530 wxString str( label->label );
531 #endif
532
533 return str;
534 }
535
536 void wxRadioBox::SetLabel( const wxString& label )
537 {
538 wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
539
540 wxControl::SetLabel( label );
541
542 gtk_frame_set_label( GTK_FRAME(m_widget), wxGTK_CONV( wxControl::GetLabel() ) );
543 }
544
545 void wxRadioBox::SetString( int item, const wxString& label )
546 {
547 wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
548
549 wxList::compatibility_iterator node = m_boxes.Item( item );
550
551 wxCHECK_RET( node, wxT("radiobox wrong index") );
552
553 GtkLabel *g_label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );
554
555 gtk_label_set( g_label, wxGTK_CONV( label ) );
556 }
557
558 bool wxRadioBox::Enable( bool enable )
559 {
560 if ( !wxControl::Enable( enable ) )
561 return FALSE;
562
563 wxList::compatibility_iterator node = m_boxes.GetFirst();
564 while (node)
565 {
566 GtkButton *button = GTK_BUTTON( node->GetData() );
567 GtkLabel *label = GTK_LABEL( BUTTON_CHILD(button) );
568
569 gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
570 gtk_widget_set_sensitive( GTK_WIDGET(label), enable );
571 node = node->GetNext();
572 }
573
574 return TRUE;
575 }
576
577 void wxRadioBox::Enable( int item, bool enable )
578 {
579 wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
580
581 wxList::compatibility_iterator node = m_boxes.Item( item );
582
583 wxCHECK_RET( node, wxT("radiobox wrong index") );
584
585 GtkButton *button = GTK_BUTTON( node->GetData() );
586 GtkLabel *label = GTK_LABEL( BUTTON_CHILD(button) );
587
588 gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
589 gtk_widget_set_sensitive( GTK_WIDGET(label), enable );
590 }
591
592 void wxRadioBox::Show( int item, bool show )
593 {
594 wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
595
596 wxList::compatibility_iterator node = m_boxes.Item( item );
597
598 wxCHECK_RET( node, wxT("radiobox wrong index") );
599
600 GtkWidget *button = GTK_WIDGET( node->GetData() );
601
602 if (show)
603 gtk_widget_show( button );
604 else
605 gtk_widget_hide( button );
606 }
607
608 wxString wxRadioBox::GetStringSelection() const
609 {
610 wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid radiobox") );
611
612 wxList::compatibility_iterator node = m_boxes.GetFirst();
613 while (node)
614 {
615 GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
616 if (button->active)
617 {
618 GtkLabel *label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );
619
620 #ifdef __WXGTK20__
621 wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
622 #else
623 wxString str( label->label );
624 #endif
625 return str;
626 }
627 node = node->GetNext();
628 }
629
630 wxFAIL_MSG( wxT("wxRadioBox none selected") );
631 return wxT("");
632 }
633
634 bool wxRadioBox::SetStringSelection( const wxString &s )
635 {
636 wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid radiobox") );
637
638 int res = FindString( s );
639 if (res == -1) return FALSE;
640 SetSelection( res );
641
642 return TRUE;
643 }
644
645 int wxRadioBox::GetCount() const
646 {
647 return m_boxes.GetCount();
648 }
649
650 int wxRadioBox::GetNumberOfRowsOrCols() const
651 {
652 return 1;
653 }
654
655 void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) )
656 {
657 wxFAIL_MSG(wxT("wxRadioBox::SetNumberOfRowsOrCols not implemented."));
658 }
659
660 void wxRadioBox::GtkDisableEvents()
661 {
662 wxList::compatibility_iterator node = m_boxes.GetFirst();
663 while (node)
664 {
665 gtk_signal_disconnect_by_func( GTK_OBJECT(node->GetData()),
666 GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
667
668 node = node->GetNext();
669 }
670 }
671
672 void wxRadioBox::GtkEnableEvents()
673 {
674 wxList::compatibility_iterator node = m_boxes.GetFirst();
675 while (node)
676 {
677 gtk_signal_connect( GTK_OBJECT(node->GetData()), "clicked",
678 GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
679
680 node = node->GetNext();
681 }
682 }
683
684 void wxRadioBox::ApplyWidgetStyle()
685 {
686 SetWidgetStyle();
687
688 gtk_widget_set_style( m_widget, m_widgetStyle );
689
690 wxList::compatibility_iterator node = m_boxes.GetFirst();
691 while (node)
692 {
693 GtkWidget *widget = GTK_WIDGET( node->GetData() );
694 gtk_widget_set_style( widget, m_widgetStyle );
695
696 gtk_widget_set_style( BUTTON_CHILD(node->GetData()), m_widgetStyle );
697
698 node = node->GetNext();
699 }
700 }
701
702 #if wxUSE_TOOLTIPS
703 void wxRadioBox::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
704 {
705 wxList::compatibility_iterator node = m_boxes.GetFirst();
706 while (node)
707 {
708 GtkWidget *widget = GTK_WIDGET( node->GetData() );
709 gtk_tooltips_set_tip( tips, widget, wxConvCurrent->cWX2MB(tip), (gchar*) NULL );
710 node = node->GetNext();
711 }
712 }
713 #endif // wxUSE_TOOLTIPS
714
715 bool wxRadioBox::IsOwnGtkWindow( GdkWindow *window )
716 {
717 if (window == m_widget->window) return TRUE;
718
719 wxList::compatibility_iterator node = m_boxes.GetFirst();
720 while (node)
721 {
722 GtkWidget *button = GTK_WIDGET( node->GetData() );
723
724 if (window == button->window) return TRUE;
725
726 node = node->GetNext();
727 }
728
729 return FALSE;
730 }
731
732 void wxRadioBox::OnInternalIdle()
733 {
734 if ( m_lostFocus )
735 {
736 m_hasFocus = FALSE;
737 m_lostFocus = FALSE;
738
739 wxFocusEvent event( wxEVT_KILL_FOCUS, GetId() );
740 event.SetEventObject( this );
741
742 (void)GetEventHandler()->ProcessEvent( event );
743 }
744
745 if (g_delayedFocus == this)
746 {
747 if (GTK_WIDGET_REALIZED(m_widget))
748 {
749 g_delayedFocus = NULL;
750 SetFocus();
751 }
752 }
753 }
754
755 #endif // wxUSE_RADIOBOX
756