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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/radiobox.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 #if wxUSE_RADIOBOX
14
15 #include "wx/radiobox.h"
16
17 #if wxUSE_TOOLTIPS
18 #include "wx/tooltip.h"
19 #endif
20
21 #include "wx/gtk/private.h"
22
23 #include <gdk/gdkkeysyms.h>
24 #if GTK_CHECK_VERSION(3,0,0)
25 #include <gdk/gdkkeysyms-compat.h>
26 #endif
27
28 //-----------------------------------------------------------------------------
29 // wxGTKRadioButtonInfo
30 //-----------------------------------------------------------------------------
31 // structure internally used by wxRadioBox to store its child buttons
32
33 class wxGTKRadioButtonInfo : public wxObject
34 {
35 public:
36 wxGTKRadioButtonInfo( GtkRadioButton * abutton, const wxRect & arect )
37 : button( abutton ), rect( arect ) {}
38
39 GtkRadioButton * button;
40 wxRect rect;
41 };
42
43 //-----------------------------------------------------------------------------
44 // data
45 //-----------------------------------------------------------------------------
46
47 #include "wx/listimpl.cpp"
48 WX_DEFINE_LIST( wxRadioBoxButtonsInfoList )
49
50 extern bool g_blockEventsOnDrag;
51
52 //-----------------------------------------------------------------------------
53 // "clicked"
54 //-----------------------------------------------------------------------------
55
56 extern "C" {
57 static void gtk_radiobutton_clicked_callback( GtkToggleButton *button, wxRadioBox *rb )
58 {
59 if (!rb->m_hasVMT) return;
60 if (g_blockEventsOnDrag) return;
61
62 if (!gtk_toggle_button_get_active(button)) return;
63
64 wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, rb->GetId() );
65 event.SetInt( rb->GetSelection() );
66 event.SetString( rb->GetStringSelection() );
67 event.SetEventObject( rb );
68 rb->HandleWindowEvent(event);
69 }
70 }
71
72 //-----------------------------------------------------------------------------
73 // "key_press_event"
74 //-----------------------------------------------------------------------------
75
76 extern "C" {
77 static gint gtk_radiobox_keypress_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxRadioBox *rb )
78 {
79 if (!rb->m_hasVMT) return FALSE;
80 if (g_blockEventsOnDrag) return FALSE;
81
82 if ( ((gdk_event->keyval == GDK_Tab) ||
83 (gdk_event->keyval == GDK_ISO_Left_Tab)) &&
84 rb->GetParent() && (rb->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
85 {
86 wxNavigationKeyEvent new_event;
87 new_event.SetEventObject( rb->GetParent() );
88 // GDK reports GDK_ISO_Left_Tab for SHIFT-TAB
89 new_event.SetDirection( (gdk_event->keyval == GDK_Tab) );
90 // CTRL-TAB changes the (parent) window, i.e. switch notebook page
91 new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
92 new_event.SetCurrentFocus( rb );
93 return rb->GetParent()->HandleWindowEvent(new_event);
94 }
95
96 if ((gdk_event->keyval != GDK_Up) &&
97 (gdk_event->keyval != GDK_Down) &&
98 (gdk_event->keyval != GDK_Left) &&
99 (gdk_event->keyval != GDK_Right))
100 {
101 return FALSE;
102 }
103
104 wxRadioBoxButtonsInfoList::compatibility_iterator node = rb->m_buttonsInfo.GetFirst();
105 while( node && GTK_WIDGET( node->GetData()->button ) != widget )
106 {
107 node = node->GetNext();
108 }
109 if (!node)
110 {
111 return FALSE;
112 }
113
114 if ((gdk_event->keyval == GDK_Up) ||
115 (gdk_event->keyval == GDK_Left))
116 {
117 if (node == rb->m_buttonsInfo.GetFirst())
118 node = rb->m_buttonsInfo.GetLast();
119 else
120 node = node->GetPrevious();
121 }
122 else
123 {
124 if (node == rb->m_buttonsInfo.GetLast())
125 node = rb->m_buttonsInfo.GetFirst();
126 else
127 node = node->GetNext();
128 }
129
130 GtkWidget *button = (GtkWidget*) node->GetData()->button;
131
132 gtk_widget_grab_focus( button );
133
134 return TRUE;
135 }
136 }
137
138 extern "C" {
139 static gint gtk_radiobutton_focus_out( GtkWidget * WXUNUSED(widget),
140 GdkEventFocus *WXUNUSED(event),
141 wxRadioBox *win )
142 {
143 // NB: This control is composed of several GtkRadioButton widgets and
144 // when focus changes from one of them to another in the same
145 // wxRadioBox, we get a focus-out event followed by focus-in for
146 // another GtkRadioButton owned by the same control. We don't want
147 // to generate two spurious wxEVT_SET_FOCUS events in this case,
148 // so we defer sending wx events until idle time.
149 win->GTKHandleFocusOut();
150
151 // never stop the signal emission, it seems to break the kbd handling
152 // inside the radiobox
153 return FALSE;
154 }
155 }
156
157 extern "C" {
158 static gint gtk_radiobutton_focus_in( GtkWidget * WXUNUSED(widget),
159 GdkEventFocus *WXUNUSED(event),
160 wxRadioBox *win )
161 {
162 win->GTKHandleFocusIn();
163
164 // never stop the signal emission, it seems to break the kbd handling
165 // inside the radiobox
166 return FALSE;
167 }
168 }
169
170 extern "C" {
171 static void gtk_radiobutton_size_allocate( GtkWidget *widget,
172 GtkAllocation * alloc,
173 wxRadioBox *win )
174 {
175 for ( wxRadioBoxButtonsInfoList::compatibility_iterator node = win->m_buttonsInfo.GetFirst();
176 node;
177 node = node->GetNext())
178 {
179 if (widget == GTK_WIDGET(node->GetData()->button))
180 {
181 const wxPoint origin = win->GetPosition();
182 wxRect rect = wxRect( alloc->x - origin.x, alloc->y - origin.y,
183 alloc->width, alloc->height );
184 node->GetData()->rect = rect;
185 break;
186 }
187 }
188 }
189 }
190
191
192 //-----------------------------------------------------------------------------
193 // wxRadioBox
194 //-----------------------------------------------------------------------------
195
196 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox,wxControl)
197
198 bool wxRadioBox::Create( wxWindow *parent, wxWindowID id,
199 const wxString& title,
200 const wxPoint &pos, const wxSize &size,
201 const wxArrayString& choices, int majorDim,
202 long style, const wxValidator& validator,
203 const wxString &name )
204 {
205 wxCArrayString chs(choices);
206
207 return Create( parent, id, title, pos, size, chs.GetCount(),
208 chs.GetStrings(), majorDim, style, validator, name );
209 }
210
211 bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title,
212 const wxPoint &pos, const wxSize &size,
213 int n, const wxString choices[], int majorDim,
214 long style, const wxValidator& validator,
215 const wxString &name )
216 {
217 if (!PreCreation( parent, pos, size ) ||
218 !CreateBase( parent, id, pos, size, style, validator, name ))
219 {
220 wxFAIL_MSG( wxT("wxRadioBox creation failed") );
221 return false;
222 }
223
224 m_widget = GTKCreateFrame(title);
225 g_object_ref(m_widget);
226 wxControl::SetLabel(title);
227 if ( HasFlag(wxNO_BORDER) )
228 {
229 // If we don't do this here, the wxNO_BORDER style is ignored in Show()
230 gtk_frame_set_shadow_type(GTK_FRAME(m_widget), GTK_SHADOW_NONE);
231 }
232
233
234 // majorDim may be 0 if all trailing parameters were omitted, so don't
235 // assert here but just use the correct value for it
236 SetMajorDim(majorDim == 0 ? n : majorDim, style);
237
238
239 unsigned int num_of_cols = GetColumnCount();
240 unsigned int num_of_rows = GetRowCount();
241
242 GtkRadioButton *rbtn = NULL;
243
244 GtkWidget *table = gtk_table_new( num_of_rows, num_of_cols, FALSE );
245 gtk_table_set_col_spacings( GTK_TABLE(table), 1 );
246 gtk_table_set_row_spacings( GTK_TABLE(table), 1 );
247 gtk_widget_show( table );
248 gtk_container_add( GTK_CONTAINER(m_widget), table );
249
250 wxString label;
251 GSList *radio_button_group = NULL;
252 for (unsigned int i = 0; i < (unsigned int)n; i++)
253 {
254 if ( i != 0 )
255 radio_button_group = gtk_radio_button_get_group( GTK_RADIO_BUTTON(rbtn) );
256
257 label.Empty();
258 for ( wxString::const_iterator pc = choices[i].begin();
259 pc != choices[i].end(); ++pc )
260 {
261 if ( *pc != wxT('&') )
262 label += *pc;
263 }
264
265 rbtn = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, wxGTK_CONV( label ) ) );
266 gtk_widget_show( GTK_WIDGET(rbtn) );
267
268 g_signal_connect (rbtn, "key_press_event",
269 G_CALLBACK (gtk_radiobox_keypress_callback), this);
270
271 m_buttonsInfo.Append( new wxGTKRadioButtonInfo( rbtn, wxRect() ) );
272
273 if (HasFlag(wxRA_SPECIFY_COLS))
274 {
275 int left = i%num_of_cols;
276 int right = (i%num_of_cols) + 1;
277 int top = i/num_of_cols;
278 int bottom = (i/num_of_cols)+1;
279 gtk_table_attach( GTK_TABLE(table), GTK_WIDGET(rbtn), left, right, top, bottom,
280 GTK_FILL, GTK_FILL, 1, 1 );
281 }
282 else
283 {
284 int left = i/num_of_rows;
285 int right = (i/num_of_rows) + 1;
286 int top = i%num_of_rows;
287 int bottom = (i%num_of_rows)+1;
288 gtk_table_attach( GTK_TABLE(table), GTK_WIDGET(rbtn), left, right, top, bottom,
289 GTK_FILL, GTK_FILL, 1, 1 );
290 }
291
292 ConnectWidget( GTK_WIDGET(rbtn) );
293
294 if (!i)
295 gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(rbtn), TRUE );
296
297 g_signal_connect (rbtn, "clicked",
298 G_CALLBACK (gtk_radiobutton_clicked_callback), this);
299 g_signal_connect (rbtn, "focus_in_event",
300 G_CALLBACK (gtk_radiobutton_focus_in), this);
301 g_signal_connect (rbtn, "focus_out_event",
302 G_CALLBACK (gtk_radiobutton_focus_out), this);
303 g_signal_connect (rbtn, "size_allocate",
304 G_CALLBACK (gtk_radiobutton_size_allocate), this);
305 }
306
307 m_parent->DoAddChild( this );
308
309 PostCreation(size);
310
311 return true;
312 }
313
314 wxRadioBox::~wxRadioBox()
315 {
316 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
317 while (node)
318 {
319 GtkWidget *button = GTK_WIDGET( node->GetData()->button );
320 gtk_widget_destroy( button );
321 node = node->GetNext();
322 }
323 WX_CLEAR_LIST( wxRadioBoxButtonsInfoList, m_buttonsInfo );
324 }
325
326 bool wxRadioBox::Show( bool show )
327 {
328 wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
329
330 if (!wxControl::Show(show))
331 {
332 // nothing to do
333 return false;
334 }
335
336 if ( HasFlag(wxNO_BORDER) )
337 gtk_widget_hide( m_widget );
338
339 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
340 while (node)
341 {
342 GtkWidget *button = GTK_WIDGET( node->GetData()->button );
343
344 if (show)
345 gtk_widget_show( button );
346 else
347 gtk_widget_hide( button );
348
349 node = node->GetNext();
350 }
351
352 return true;
353 }
354
355 void wxRadioBox::SetSelection( int n )
356 {
357 wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
358
359 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( n );
360
361 wxCHECK_RET( node, wxT("radiobox wrong index") );
362
363 GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData()->button );
364
365 GtkDisableEvents();
366
367 gtk_toggle_button_set_active( button, 1 );
368
369 GtkEnableEvents();
370 }
371
372 int wxRadioBox::GetSelection(void) const
373 {
374 wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid radiobox") );
375
376 int count = 0;
377
378 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
379 while (node)
380 {
381 GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData()->button );
382 if (gtk_toggle_button_get_active(button)) return count;
383 count++;
384 node = node->GetNext();
385 }
386
387 wxFAIL_MSG( wxT("wxRadioBox none selected") );
388
389 return wxNOT_FOUND;
390 }
391
392 wxString wxRadioBox::GetString(unsigned int n) const
393 {
394 wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid radiobox") );
395
396 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( n );
397
398 wxCHECK_MSG( node, wxEmptyString, wxT("radiobox wrong index") );
399
400 GtkLabel* label = GTK_LABEL(gtk_bin_get_child(GTK_BIN(node->GetData()->button)));
401
402 wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
403
404 return str;
405 }
406
407 void wxRadioBox::SetLabel( const wxString& label )
408 {
409 wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
410
411 GTKSetLabelForFrame(GTK_FRAME(m_widget), label);
412 }
413
414 void wxRadioBox::SetString(unsigned int item, const wxString& label)
415 {
416 wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
417
418 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
419
420 wxCHECK_RET( node, wxT("radiobox wrong index") );
421
422 GtkLabel* g_label = GTK_LABEL(gtk_bin_get_child(GTK_BIN(node->GetData()->button)));
423
424 gtk_label_set_text( g_label, wxGTK_CONV( label ) );
425 }
426
427 bool wxRadioBox::Enable( bool enable )
428 {
429 if ( !wxControl::Enable( enable ) )
430 return false;
431
432 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
433 while (node)
434 {
435 GtkButton *button = GTK_BUTTON( node->GetData()->button );
436 GtkLabel *label = GTK_LABEL(gtk_bin_get_child(GTK_BIN(button)));
437
438 gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
439 gtk_widget_set_sensitive( GTK_WIDGET(label), enable );
440 node = node->GetNext();
441 }
442
443 if (enable)
444 GTKFixSensitivity();
445
446 return true;
447 }
448
449 bool wxRadioBox::Enable(unsigned int item, bool enable)
450 {
451 wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
452
453 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
454
455 wxCHECK_MSG( node, false, wxT("radiobox wrong index") );
456
457 GtkButton *button = GTK_BUTTON( node->GetData()->button );
458 GtkLabel *label = GTK_LABEL(gtk_bin_get_child(GTK_BIN(button)));
459
460 gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
461 gtk_widget_set_sensitive( GTK_WIDGET(label), enable );
462
463 return true;
464 }
465
466 bool wxRadioBox::IsItemEnabled(unsigned int item) const
467 {
468 wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
469
470 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
471
472 wxCHECK_MSG( node, false, wxT("radiobox wrong index") );
473
474 GtkButton *button = GTK_BUTTON( node->GetData()->button );
475
476 // don't use GTK_WIDGET_IS_SENSITIVE() here, we want to return true even if
477 // the parent radiobox is disabled
478 return gtk_widget_get_sensitive(GTK_WIDGET(button));
479 }
480
481 bool wxRadioBox::Show(unsigned int item, bool show)
482 {
483 wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
484
485 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
486
487 wxCHECK_MSG( node, false, wxT("radiobox wrong index") );
488
489 GtkWidget *button = GTK_WIDGET( node->GetData()->button );
490
491 if (show)
492 gtk_widget_show( button );
493 else
494 gtk_widget_hide( button );
495
496 return true;
497 }
498
499 bool wxRadioBox::IsItemShown(unsigned int item) const
500 {
501 wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
502
503 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
504
505 wxCHECK_MSG( node, false, wxT("radiobox wrong index") );
506
507 GtkButton *button = GTK_BUTTON( node->GetData()->button );
508
509 return gtk_widget_get_visible(GTK_WIDGET(button));
510 }
511
512 unsigned int wxRadioBox::GetCount() const
513 {
514 return m_buttonsInfo.GetCount();
515 }
516
517 void wxRadioBox::GtkDisableEvents()
518 {
519 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
520 while (node)
521 {
522 g_signal_handlers_block_by_func(node->GetData()->button,
523 (gpointer)gtk_radiobutton_clicked_callback, this);
524
525 node = node->GetNext();
526 }
527 }
528
529 void wxRadioBox::GtkEnableEvents()
530 {
531 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
532 while (node)
533 {
534 g_signal_handlers_unblock_by_func(node->GetData()->button,
535 (gpointer)gtk_radiobutton_clicked_callback, this);
536
537 node = node->GetNext();
538 }
539 }
540
541 void wxRadioBox::DoApplyWidgetStyle(GtkRcStyle *style)
542 {
543 GTKFrameApplyWidgetStyle(GTK_FRAME(m_widget), style);
544
545 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
546 while (node)
547 {
548 GtkWidget *widget = GTK_WIDGET( node->GetData()->button );
549
550 gtk_widget_modify_style( widget, style );
551 gtk_widget_modify_style(gtk_bin_get_child(GTK_BIN(widget)), style);
552
553 node = node->GetNext();
554 }
555 }
556
557 bool wxRadioBox::GTKWidgetNeedsMnemonic() const
558 {
559 return true;
560 }
561
562 void wxRadioBox::GTKWidgetDoSetMnemonic(GtkWidget* w)
563 {
564 GTKFrameSetMnemonicWidget(GTK_FRAME(m_widget), w);
565 }
566
567 #if wxUSE_TOOLTIPS
568 void wxRadioBox::GTKApplyToolTip(const char* tip)
569 {
570 // set this tooltip for all radiobuttons which don't have their own tips
571 unsigned n = 0;
572 for ( wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
573 node;
574 node = node->GetNext(), n++ )
575 {
576 if ( !GetItemToolTip(n) )
577 {
578 wxToolTip::GTKApply(GTK_WIDGET(node->GetData()->button), tip);
579 }
580 }
581 }
582
583 void wxRadioBox::DoSetItemToolTip(unsigned int n, wxToolTip *tooltip)
584 {
585 wxCharBuffer buf;
586 if ( !tooltip )
587 tooltip = GetToolTip();
588 if ( tooltip )
589 buf = wxGTK_CONV(tooltip->GetTip());
590
591 wxToolTip::GTKApply(GTK_WIDGET(m_buttonsInfo[n]->button), buf);
592 }
593
594 #endif // wxUSE_TOOLTIPS
595
596 GdkWindow *wxRadioBox::GTKGetWindow(wxArrayGdkWindows& windows) const
597 {
598 windows.push_back(gtk_widget_get_window(m_widget));
599
600 wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
601 while (node)
602 {
603 GtkWidget *button = GTK_WIDGET( node->GetData()->button );
604
605 // don't put NULL pointers in the 'windows' array!
606 if (gtk_widget_get_window(button))
607 windows.push_back(gtk_widget_get_window(button));
608
609 node = node->GetNext();
610 }
611
612 return NULL;
613 }
614
615 // static
616 wxVisualAttributes
617 wxRadioBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
618 {
619 wxVisualAttributes attr;
620 // NB: we need toplevel window so that GTK+ can find the right style
621 GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
622 GtkWidget* widget = gtk_radio_button_new_with_label(NULL, "");
623 gtk_container_add(GTK_CONTAINER(wnd), widget);
624 attr = GetDefaultAttributesFromGTKWidget(widget);
625 gtk_widget_destroy(wnd);
626 return attr;
627 }
628
629 int wxRadioBox::GetItemFromPoint(const wxPoint& point) const
630 {
631 const wxPoint pt = ScreenToClient(point);
632 unsigned n = 0;
633 for ( wxRadioBoxButtonsInfoList::compatibility_iterator
634 node = m_buttonsInfo.GetFirst(); node; node = node->GetNext(), n++ )
635 {
636 if ( m_buttonsInfo[n]->rect.Contains(pt) )
637 return n;
638 }
639
640 return wxNOT_FOUND;
641 }
642
643 #endif // wxUSE_RADIOBOX