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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 | #ifdef __GNUG__ | |
11 | #pragma implementation "radiobox.h" | |
12 | #endif | |
13 | ||
14 | #include "wx/radiobox.h" | |
15 | ||
16 | #if wxUSE_RADIOBOX | |
17 | ||
18 | #include "wx/dialog.h" | |
19 | #include "wx/frame.h" | |
20 | ||
21 | #include "gdk/gdk.h" | |
22 | #include "gtk/gtk.h" | |
23 | #include "gdk/gdkkeysyms.h" | |
24 | #include "wx/gtk/win_gtk.h" | |
25 | ||
26 | //----------------------------------------------------------------------------- | |
27 | // idle system | |
28 | //----------------------------------------------------------------------------- | |
29 | ||
30 | extern void wxapp_install_idle_handler(); | |
31 | extern bool g_isIdle; | |
32 | ||
33 | //----------------------------------------------------------------------------- | |
34 | // data | |
35 | //----------------------------------------------------------------------------- | |
36 | ||
37 | extern bool g_blockEventsOnDrag; | |
38 | ||
39 | //----------------------------------------------------------------------------- | |
40 | // "clicked" | |
41 | //----------------------------------------------------------------------------- | |
42 | ||
43 | static void gtk_radiobutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxRadioBox *rb ) | |
44 | { | |
45 | if (g_isIdle) wxapp_install_idle_handler(); | |
46 | ||
47 | if (!rb->m_hasVMT) return; | |
48 | if (g_blockEventsOnDrag) return; | |
49 | ||
50 | if (rb->m_alreadySent) | |
51 | { | |
52 | rb->m_alreadySent = FALSE; | |
53 | return; | |
54 | } | |
55 | ||
56 | rb->m_alreadySent = TRUE; | |
57 | ||
58 | wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, rb->GetId() ); | |
59 | event.SetInt( rb->GetSelection() ); | |
60 | event.SetString( rb->GetStringSelection() ); | |
61 | event.SetEventObject( rb ); | |
62 | rb->GetEventHandler()->ProcessEvent(event); | |
63 | } | |
64 | ||
65 | //----------------------------------------------------------------------------- | |
66 | // wxRadioBox | |
67 | //----------------------------------------------------------------------------- | |
68 | ||
69 | IMPLEMENT_DYNAMIC_CLASS(wxRadioBox,wxControl) | |
70 | ||
71 | wxRadioBox::wxRadioBox() | |
72 | { | |
73 | } | |
74 | ||
75 | bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title, | |
76 | const wxPoint &pos, const wxSize &size, | |
77 | int n, const wxString choices[], int majorDim, | |
78 | long style, const wxValidator& validator, | |
79 | const wxString &name ) | |
80 | { | |
81 | m_alreadySent = FALSE; | |
82 | m_needParent = TRUE; | |
83 | m_acceptsFocus = TRUE; | |
84 | ||
85 | if (!PreCreation( parent, pos, size ) || | |
86 | !CreateBase( parent, id, pos, size, style, validator, name )) | |
87 | { | |
88 | wxFAIL_MSG( wxT("wxRadioBox creation failed") ); | |
89 | return FALSE; | |
90 | } | |
91 | ||
92 | m_widget = gtk_frame_new( title.mbc_str() ); | |
93 | ||
94 | m_majorDim = majorDim; | |
95 | ||
96 | GtkRadioButton *m_radio = (GtkRadioButton*) NULL; | |
97 | ||
98 | wxString label; | |
99 | GSList *radio_button_group = (GSList *) NULL; | |
100 | for (int i = 0; i < n; i++) | |
101 | { | |
102 | if ( i != 0 ) | |
103 | radio_button_group = gtk_radio_button_group( GTK_RADIO_BUTTON(m_radio) ); | |
104 | ||
105 | label.Empty(); | |
106 | for ( const wxChar *pc = choices[i]; *pc; pc++ ) | |
107 | { | |
108 | if ( *pc != wxT('&') ) | |
109 | label += *pc; | |
110 | } | |
111 | ||
112 | m_radio = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, label.mbc_str() ) ); | |
113 | ||
114 | m_boxes.Append( (wxObject*) m_radio ); | |
115 | ||
116 | ConnectWidget( GTK_WIDGET(m_radio) ); | |
117 | ||
118 | if (!i) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio), TRUE ); | |
119 | ||
120 | gtk_signal_connect( GTK_OBJECT(m_radio), "clicked", | |
121 | GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this ); | |
122 | ||
123 | gtk_pizza_put( GTK_PIZZA(m_parent->m_wxwindow), | |
124 | GTK_WIDGET(m_radio), | |
125 | m_x+10, m_y+10+(i*24), 10, 10 ); | |
126 | } | |
127 | ||
128 | wxSize ls = LayoutItems(); | |
129 | ||
130 | wxSize newSize = size; | |
131 | if (newSize.x == -1) newSize.x = ls.x; | |
132 | if (newSize.y == -1) newSize.y = ls.y; | |
133 | SetSize( newSize.x, newSize.y ); | |
134 | ||
135 | m_parent->DoAddChild( this ); | |
136 | ||
137 | PostCreation(); | |
138 | ||
139 | SetLabel( title ); | |
140 | ||
141 | SetBackgroundColour( parent->GetBackgroundColour() ); | |
142 | SetForegroundColour( parent->GetForegroundColour() ); | |
143 | SetFont( parent->GetFont() ); | |
144 | ||
145 | Show( TRUE ); | |
146 | ||
147 | return TRUE; | |
148 | } | |
149 | ||
150 | wxRadioBox::~wxRadioBox() | |
151 | { | |
152 | wxNode *node = m_boxes.First(); | |
153 | while (node) | |
154 | { | |
155 | GtkWidget *button = GTK_WIDGET( node->Data() ); | |
156 | gtk_widget_destroy( button ); | |
157 | node = node->Next(); | |
158 | } | |
159 | } | |
160 | ||
161 | void wxRadioBox::DoSetSize( int x, int y, int width, int height, int sizeFlags ) | |
162 | { | |
163 | wxWindow::DoSetSize( x, y, width, height, sizeFlags ); | |
164 | ||
165 | LayoutItems(); | |
166 | } | |
167 | ||
168 | wxSize wxRadioBox::LayoutItems() | |
169 | { | |
170 | int x = 7; | |
171 | int y = 15; | |
172 | ||
173 | if ( m_majorDim == 0 ) | |
174 | { | |
175 | // avoid dividing by 0 below | |
176 | wxFAIL_MSG( wxT("dimension of radiobox should not be 0!") ); | |
177 | ||
178 | m_majorDim = 1; | |
179 | } | |
180 | ||
181 | int num_per_major = (m_boxes.GetCount() - 1) / m_majorDim +1; | |
182 | ||
183 | wxSize res( 0, 0 ); | |
184 | ||
185 | int num_of_cols = 0; | |
186 | int num_of_rows = 0; | |
187 | if (HasFlag(wxRA_SPECIFY_COLS)) | |
188 | { | |
189 | num_of_cols = m_majorDim; | |
190 | num_of_rows = num_per_major; | |
191 | } | |
192 | else | |
193 | { | |
194 | num_of_cols = num_per_major; | |
195 | num_of_rows = m_majorDim; | |
196 | } | |
197 | ||
198 | if ( HasFlag(wxRA_SPECIFY_COLS) || | |
199 | (HasFlag(wxRA_SPECIFY_ROWS) && (num_of_cols > 1)) ) | |
200 | { | |
201 | for (int j = 0; j < num_of_cols; j++) | |
202 | { | |
203 | y = 15; | |
204 | ||
205 | int max_len = 0; | |
206 | wxNode *node = m_boxes.Nth( j*num_of_rows ); | |
207 | for (int i1 = 0; i1< num_of_rows; i1++) | |
208 | { | |
209 | GtkWidget *button = GTK_WIDGET( node->Data() ); | |
210 | GtkLabel *label = GTK_LABEL( GTK_BUTTON(button)->child ); | |
211 | GdkFont *font = m_widget->style->font; | |
212 | int len = 22+gdk_string_measure( font, label->label ); | |
213 | if (len > max_len) max_len = len; | |
214 | ||
215 | gtk_pizza_move( GTK_PIZZA(m_parent->m_wxwindow), button, m_x+x, m_y+y ); | |
216 | y += 22; | |
217 | ||
218 | node = node->Next(); | |
219 | if (!node) break; | |
220 | } | |
221 | ||
222 | // we don't know the max_len before | |
223 | ||
224 | node = m_boxes.Nth( j*num_of_rows ); | |
225 | for (int i2 = 0; i2< num_of_rows; i2++) | |
226 | { | |
227 | GtkWidget *button = GTK_WIDGET( node->Data() ); | |
228 | ||
229 | gtk_pizza_resize( GTK_PIZZA(m_parent->m_wxwindow), button, max_len, 20 ); | |
230 | ||
231 | node = node->Next(); | |
232 | if (!node) break; | |
233 | } | |
234 | ||
235 | if (y > res.y) res.y = y; | |
236 | ||
237 | x += max_len + 2; | |
238 | } | |
239 | ||
240 | res.x = x+4; | |
241 | res.y += 9; | |
242 | } | |
243 | else | |
244 | { | |
245 | int max = 0; | |
246 | ||
247 | wxNode *node = m_boxes.First(); | |
248 | while (node) | |
249 | { | |
250 | GtkButton *button = GTK_BUTTON( node->Data() ); | |
251 | GtkLabel *label = GTK_LABEL( button->child ); | |
252 | ||
253 | GdkFont *font = m_widget->style->font; | |
254 | int len = 22+gdk_string_measure( font, label->label ); | |
255 | if (len > max) max = len; | |
256 | ||
257 | node = node->Next(); | |
258 | } | |
259 | ||
260 | node = m_boxes.First(); | |
261 | while (node) | |
262 | { | |
263 | GtkWidget *button = GTK_WIDGET( node->Data() ); | |
264 | ||
265 | gtk_pizza_set_size( GTK_PIZZA(m_parent->m_wxwindow), button, m_x+x, m_y+y, max, 20 ); | |
266 | x += max; | |
267 | ||
268 | node = node->Next(); | |
269 | } | |
270 | res.x = x+4; | |
271 | res.y = 40; | |
272 | } | |
273 | ||
274 | return res; | |
275 | } | |
276 | ||
277 | bool wxRadioBox::Show( bool show ) | |
278 | { | |
279 | wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid radiobox") ); | |
280 | ||
281 | if (!wxControl::Show(show)) | |
282 | { | |
283 | // nothing to do | |
284 | return FALSE; | |
285 | } | |
286 | ||
287 | if ((m_windowStyle & wxNO_BORDER) != 0) | |
288 | gtk_widget_hide( m_widget ); | |
289 | ||
290 | wxNode *node = m_boxes.First(); | |
291 | while (node) | |
292 | { | |
293 | GtkWidget *button = GTK_WIDGET( node->Data() ); | |
294 | ||
295 | if (show) gtk_widget_show( button ); else gtk_widget_hide( button ); | |
296 | ||
297 | node = node->Next(); | |
298 | } | |
299 | ||
300 | return TRUE; | |
301 | } | |
302 | ||
303 | int wxRadioBox::FindString( const wxString &s ) const | |
304 | { | |
305 | wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid radiobox") ); | |
306 | ||
307 | int count = 0; | |
308 | ||
309 | wxNode *node = m_boxes.First(); | |
310 | while (node) | |
311 | { | |
312 | GtkButton *button = GTK_BUTTON( node->Data() ); | |
313 | ||
314 | GtkLabel *label = GTK_LABEL( button->child ); | |
315 | if (s == label->label) return count; | |
316 | count++; | |
317 | ||
318 | node = node->Next(); | |
319 | } | |
320 | ||
321 | return -1; | |
322 | } | |
323 | ||
324 | void wxRadioBox::SetFocus() | |
325 | { | |
326 | wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") ); | |
327 | ||
328 | if (m_boxes.GetCount() == 0) return; | |
329 | ||
330 | wxNode *node = m_boxes.First(); | |
331 | while (node) | |
332 | { | |
333 | GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() ); | |
334 | if (button->active) | |
335 | { | |
336 | gtk_widget_grab_focus( GTK_WIDGET(button) ); | |
337 | return; | |
338 | } | |
339 | node = node->Next(); | |
340 | } | |
341 | ||
342 | } | |
343 | ||
344 | void wxRadioBox::SetSelection( int n ) | |
345 | { | |
346 | wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") ); | |
347 | ||
348 | wxNode *node = m_boxes.Nth( n ); | |
349 | ||
350 | wxCHECK_RET( node, wxT("radiobox wrong index") ); | |
351 | ||
352 | GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() ); | |
353 | ||
354 | DisableEvents(); | |
355 | ||
356 | gtk_toggle_button_set_state( button, 1 ); | |
357 | ||
358 | EnableEvents(); | |
359 | } | |
360 | ||
361 | int wxRadioBox::GetSelection(void) const | |
362 | { | |
363 | wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid radiobox") ); | |
364 | ||
365 | int count = 0; | |
366 | ||
367 | wxNode *node = m_boxes.First(); | |
368 | while (node) | |
369 | { | |
370 | GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() ); | |
371 | if (button->active) return count; | |
372 | count++; | |
373 | node = node->Next(); | |
374 | } | |
375 | ||
376 | wxFAIL_MSG( wxT("wxRadioBox none selected") ); | |
377 | ||
378 | return -1; | |
379 | } | |
380 | ||
381 | wxString wxRadioBox::GetString( int n ) const | |
382 | { | |
383 | wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid radiobox") ); | |
384 | ||
385 | wxNode *node = m_boxes.Nth( n ); | |
386 | ||
387 | wxCHECK_MSG( node, wxT(""), wxT("radiobox wrong index") ); | |
388 | ||
389 | GtkButton *button = GTK_BUTTON( node->Data() ); | |
390 | GtkLabel *label = GTK_LABEL( button->child ); | |
391 | ||
392 | return wxString( label->label ); | |
393 | } | |
394 | ||
395 | wxString wxRadioBox::GetLabel( int item ) const | |
396 | { | |
397 | wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid radiobox") ); | |
398 | ||
399 | return GetString( item ); | |
400 | } | |
401 | ||
402 | void wxRadioBox::SetLabel( const wxString& label ) | |
403 | { | |
404 | wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") ); | |
405 | ||
406 | wxControl::SetLabel( label ); | |
407 | ||
408 | gtk_frame_set_label( GTK_FRAME(m_widget), wxControl::GetLabel().mbc_str() ); | |
409 | } | |
410 | ||
411 | void wxRadioBox::SetLabel( int item, const wxString& label ) | |
412 | { | |
413 | wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") ); | |
414 | ||
415 | wxNode *node = m_boxes.Nth( item ); | |
416 | ||
417 | wxCHECK_RET( node, wxT("radiobox wrong index") ); | |
418 | ||
419 | GtkButton *button = GTK_BUTTON( node->Data() ); | |
420 | GtkLabel *g_label = GTK_LABEL( button->child ); | |
421 | ||
422 | gtk_label_set( g_label, label.mbc_str() ); | |
423 | } | |
424 | ||
425 | void wxRadioBox::SetLabel( int WXUNUSED(item), wxBitmap *WXUNUSED(bitmap) ) | |
426 | { | |
427 | wxFAIL_MSG(wxT("wxRadioBox::SetLabel not implemented.")); | |
428 | } | |
429 | ||
430 | bool wxRadioBox::Enable( bool enable ) | |
431 | { | |
432 | if ( !wxControl::Enable( enable ) ) | |
433 | return FALSE; | |
434 | ||
435 | wxNode *node = m_boxes.First(); | |
436 | while (node) | |
437 | { | |
438 | GtkButton *button = GTK_BUTTON( node->Data() ); | |
439 | GtkWidget *label = button->child; | |
440 | gtk_widget_set_sensitive( GTK_WIDGET(button), enable ); | |
441 | gtk_widget_set_sensitive( label, enable ); | |
442 | node = node->Next(); | |
443 | } | |
444 | ||
445 | return TRUE; | |
446 | } | |
447 | ||
448 | void wxRadioBox::Enable( int item, bool enable ) | |
449 | { | |
450 | wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") ); | |
451 | ||
452 | wxNode *node = m_boxes.Nth( item ); | |
453 | ||
454 | wxCHECK_RET( node, wxT("radiobox wrong index") ); | |
455 | ||
456 | GtkButton *button = GTK_BUTTON( node->Data() ); | |
457 | GtkWidget *label = button->child; | |
458 | gtk_widget_set_sensitive( GTK_WIDGET(button), enable ); | |
459 | gtk_widget_set_sensitive( label, enable ); | |
460 | } | |
461 | ||
462 | void wxRadioBox::Show( int item, bool show ) | |
463 | { | |
464 | wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") ); | |
465 | ||
466 | wxNode *node = m_boxes.Nth( item ); | |
467 | ||
468 | wxCHECK_RET( node, wxT("radiobox wrong index") ); | |
469 | ||
470 | GtkWidget *button = GTK_WIDGET( node->Data() ); | |
471 | ||
472 | if (show) | |
473 | gtk_widget_show( button ); | |
474 | else | |
475 | gtk_widget_hide( button ); | |
476 | } | |
477 | ||
478 | wxString wxRadioBox::GetStringSelection() const | |
479 | { | |
480 | wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid radiobox") ); | |
481 | ||
482 | wxNode *node = m_boxes.First(); | |
483 | while (node) | |
484 | { | |
485 | GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() ); | |
486 | if (button->active) | |
487 | { | |
488 | GtkLabel *label = GTK_LABEL( GTK_BUTTON(button)->child ); | |
489 | return label->label; | |
490 | } | |
491 | node = node->Next(); | |
492 | } | |
493 | ||
494 | wxFAIL_MSG( wxT("wxRadioBox none selected") ); | |
495 | return wxT(""); | |
496 | } | |
497 | ||
498 | bool wxRadioBox::SetStringSelection( const wxString &s ) | |
499 | { | |
500 | wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid radiobox") ); | |
501 | ||
502 | int res = FindString( s ); | |
503 | if (res == -1) return FALSE; | |
504 | SetSelection( res ); | |
505 | ||
506 | return TRUE; | |
507 | } | |
508 | ||
509 | int wxRadioBox::Number() const | |
510 | { | |
511 | return m_boxes.Number(); | |
512 | } | |
513 | ||
514 | int wxRadioBox::GetNumberOfRowsOrCols() const | |
515 | { | |
516 | return 1; | |
517 | } | |
518 | ||
519 | void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) ) | |
520 | { | |
521 | wxFAIL_MSG(wxT("wxRadioBox::SetNumberOfRowsOrCols not implemented.")); | |
522 | } | |
523 | ||
524 | void wxRadioBox::DisableEvents() | |
525 | { | |
526 | wxNode *node = m_boxes.First(); | |
527 | while (node) | |
528 | { | |
529 | gtk_signal_disconnect_by_func( GTK_OBJECT(node->Data()), | |
530 | GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this ); | |
531 | ||
532 | node = node->Next(); | |
533 | } | |
534 | } | |
535 | ||
536 | void wxRadioBox::EnableEvents() | |
537 | { | |
538 | wxNode *node = m_boxes.First(); | |
539 | while (node) | |
540 | { | |
541 | gtk_signal_connect( GTK_OBJECT(node->Data()), "clicked", | |
542 | GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this ); | |
543 | ||
544 | node = node->Next(); | |
545 | } | |
546 | } | |
547 | ||
548 | void wxRadioBox::ApplyWidgetStyle() | |
549 | { | |
550 | SetWidgetStyle(); | |
551 | ||
552 | gtk_widget_set_style( m_widget, m_widgetStyle ); | |
553 | ||
554 | wxNode *node = m_boxes.First(); | |
555 | while (node) | |
556 | { | |
557 | GtkWidget *widget = GTK_WIDGET( node->Data() ); | |
558 | gtk_widget_set_style( widget, m_widgetStyle ); | |
559 | ||
560 | GtkButton *button = GTK_BUTTON( node->Data() ); | |
561 | gtk_widget_set_style( button->child, m_widgetStyle ); | |
562 | ||
563 | node = node->Next(); | |
564 | } | |
565 | } | |
566 | ||
567 | bool wxRadioBox::IsOwnGtkWindow( GdkWindow *window ) | |
568 | { | |
569 | if (window == m_widget->window) return TRUE; | |
570 | ||
571 | wxNode *node = m_boxes.First(); | |
572 | while (node) | |
573 | { | |
574 | GtkWidget *button = GTK_WIDGET( node->Data() ); | |
575 | ||
576 | if (window == button->window) return TRUE; | |
577 | ||
578 | node = node->Next(); | |
579 | } | |
580 | ||
581 | return FALSE; | |
582 | } | |
583 | ||
584 | #endif |