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