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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 | BEGIN_EVENT_TABLE(wxRadioBox, wxControl) | |
71 | EVT_SIZE(wxRadioBox::OnSize) | |
72 | END_EVENT_TABLE() | |
73 | ||
74 | wxRadioBox::wxRadioBox() | |
75 | { | |
76 | } | |
77 | ||
78 | bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title, | |
79 | const wxPoint &pos, const wxSize &size, | |
80 | int n, const wxString choices[], int majorDim, | |
81 | long style, const wxValidator& validator, | |
82 | const wxString &name ) | |
83 | { | |
84 | m_alreadySent = FALSE; | |
85 | m_needParent = TRUE; | |
86 | m_acceptsFocus = TRUE; | |
87 | ||
88 | if (!PreCreation( parent, pos, size ) || | |
89 | !CreateBase( parent, id, pos, size, style, validator, name )) | |
90 | { | |
91 | wxFAIL_MSG( wxT("wxRadioBox creation failed") ); | |
92 | return FALSE; | |
93 | } | |
94 | ||
95 | m_widget = gtk_frame_new( title.mbc_str() ); | |
96 | ||
97 | m_majorDim = majorDim; | |
98 | ||
99 | GtkRadioButton *m_radio = (GtkRadioButton*) NULL; | |
100 | ||
101 | wxString label; | |
102 | GSList *radio_button_group = (GSList *) NULL; | |
103 | for (int i = 0; i < n; i++) | |
104 | { | |
105 | if ( i != 0 ) | |
106 | radio_button_group = gtk_radio_button_group( GTK_RADIO_BUTTON(m_radio) ); | |
107 | ||
108 | label.Empty(); | |
109 | for ( const wxChar *pc = choices[i]; *pc; pc++ ) | |
110 | { | |
111 | if ( *pc != wxT('&') ) | |
112 | label += *pc; | |
113 | } | |
114 | ||
115 | m_radio = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, label.mbc_str() ) ); | |
116 | ||
117 | m_boxes.Append( (wxObject*) m_radio ); | |
118 | ||
119 | ConnectWidget( GTK_WIDGET(m_radio) ); | |
120 | ||
121 | if (!i) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio), TRUE ); | |
122 | ||
123 | gtk_signal_connect( GTK_OBJECT(m_radio), "clicked", | |
124 | GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this ); | |
125 | ||
126 | gtk_myfixed_put( GTK_MYFIXED(m_parent->m_wxwindow), | |
127 | GTK_WIDGET(m_radio), | |
128 | m_x+10, m_y+10+(i*24), 10, 10 ); | |
129 | } | |
130 | ||
131 | wxSize ls = LayoutItems(); | |
132 | ||
133 | wxSize newSize = size; | |
134 | if (newSize.x == -1) newSize.x = ls.x; | |
135 | if (newSize.y == -1) newSize.y = ls.y; | |
136 | SetSize( newSize.x, newSize.y ); | |
137 | ||
138 | m_parent->DoAddChild( this ); | |
139 | ||
140 | PostCreation(); | |
141 | ||
142 | SetLabel( title ); | |
143 | ||
144 | SetBackgroundColour( parent->GetBackgroundColour() ); | |
145 | SetForegroundColour( parent->GetForegroundColour() ); | |
146 | SetFont( parent->GetFont() ); | |
147 | ||
148 | Show( TRUE ); | |
149 | ||
150 | return TRUE; | |
151 | } | |
152 | ||
153 | wxRadioBox::~wxRadioBox() | |
154 | { | |
155 | wxNode *node = m_boxes.First(); | |
156 | while (node) | |
157 | { | |
158 | GtkWidget *button = GTK_WIDGET( node->Data() ); | |
159 | gtk_widget_destroy( button ); | |
160 | node = node->Next(); | |
161 | } | |
162 | } | |
163 | ||
164 | void wxRadioBox::OnSize( wxSizeEvent &event ) | |
165 | { | |
166 | LayoutItems(); | |
167 | ||
168 | event.Skip(); | |
169 | } | |
170 | ||
171 | wxSize wxRadioBox::LayoutItems() | |
172 | { | |
173 | int x = 7; | |
174 | int y = 15; | |
175 | ||
176 | if ( m_majorDim == 0 ) | |
177 | { | |
178 | // avoid dividing by 0 below | |
179 | wxFAIL_MSG( wxT("dimension of radiobox should not be 0!") ); | |
180 | ||
181 | m_majorDim = 1; | |
182 | } | |
183 | ||
184 | int num_per_major = (m_boxes.GetCount() - 1) / m_majorDim +1; | |
185 | ||
186 | wxSize res( 0, 0 ); | |
187 | ||
188 | int num_of_cols = 0; | |
189 | int num_of_rows = 0; | |
190 | if (HasFlag(wxRA_SPECIFY_COLS)) | |
191 | { | |
192 | num_of_cols = m_majorDim; | |
193 | num_of_rows = num_per_major; | |
194 | } | |
195 | else | |
196 | { | |
197 | num_of_cols = num_per_major; | |
198 | num_of_rows = m_majorDim; | |
199 | } | |
200 | ||
201 | if ( HasFlag(wxRA_SPECIFY_COLS) || | |
202 | (HasFlag(wxRA_SPECIFY_ROWS) && (num_of_cols > 1)) ) | |
203 | { | |
204 | for (int j = 0; j < num_of_cols; j++) | |
205 | { | |
206 | y = 15; | |
207 | ||
208 | int max_len = 0; | |
209 | wxNode *node = m_boxes.Nth( j*num_of_rows ); | |
210 | for (int i1 = 0; i1< num_of_rows; i1++) | |
211 | { | |
212 | GtkWidget *button = GTK_WIDGET( node->Data() ); | |
213 | GtkLabel *label = GTK_LABEL( GTK_BUTTON(button)->child ); | |
214 | GdkFont *font = m_widget->style->font; | |
215 | int len = 22+gdk_string_measure( font, label->label ); | |
216 | if (len > max_len) max_len = len; | |
217 | ||
218 | gtk_myfixed_move( GTK_MYFIXED(m_parent->m_wxwindow), button, m_x+x, m_y+y ); | |
219 | y += 22; | |
220 | ||
221 | node = node->Next(); | |
222 | if (!node) break; | |
223 | } | |
224 | ||
225 | // we don't know the max_len before | |
226 | ||
227 | node = m_boxes.Nth( j*num_of_rows ); | |
228 | for (int i2 = 0; i2< num_of_rows; i2++) | |
229 | { | |
230 | GtkWidget *button = GTK_WIDGET( node->Data() ); | |
231 | ||
232 | gtk_myfixed_resize( GTK_MYFIXED(m_parent->m_wxwindow), button, max_len, 20 ); | |
233 | ||
234 | node = node->Next(); | |
235 | if (!node) break; | |
236 | } | |
237 | ||
238 | if (y > res.y) res.y = y; | |
239 | ||
240 | x += max_len + 2; | |
241 | } | |
242 | ||
243 | res.x = x+4; | |
244 | res.y += 9; | |
245 | } | |
246 | else | |
247 | { | |
248 | int max = 0; | |
249 | ||
250 | wxNode *node = m_boxes.First(); | |
251 | while (node) | |
252 | { | |
253 | GtkButton *button = GTK_BUTTON( node->Data() ); | |
254 | GtkLabel *label = GTK_LABEL( button->child ); | |
255 | ||
256 | GdkFont *font = m_widget->style->font; | |
257 | int len = 22+gdk_string_measure( font, label->label ); | |
258 | if (len > max) max = len; | |
259 | ||
260 | node = node->Next(); | |
261 | } | |
262 | ||
263 | node = m_boxes.First(); | |
264 | while (node) | |
265 | { | |
266 | GtkWidget *button = GTK_WIDGET( node->Data() ); | |
267 | ||
268 | gtk_myfixed_set_size( GTK_MYFIXED(m_parent->m_wxwindow), button, m_x+x, m_y+y, max, 20 ); | |
269 | x += max; | |
270 | ||
271 | node = node->Next(); | |
272 | } | |
273 | res.x = x+4; | |
274 | res.y = 40; | |
275 | } | |
276 | ||
277 | return res; | |
278 | } | |
279 | ||
280 | bool wxRadioBox::Show( bool show ) | |
281 | { | |
282 | wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid radiobox") ); | |
283 | ||
284 | wxWindow::Show( show ); | |
285 | ||
286 | if ((m_windowStyle & wxNO_BORDER) != 0) | |
287 | gtk_widget_hide( m_widget ); | |
288 | ||
289 | wxNode *node = m_boxes.First(); | |
290 | while (node) | |
291 | { | |
292 | GtkWidget *button = GTK_WIDGET( node->Data() ); | |
293 | ||
294 | if (show) gtk_widget_show( button ); else gtk_widget_hide( button ); | |
295 | ||
296 | node = node->Next(); | |
297 | } | |
298 | ||
299 | return TRUE; | |
300 | } | |
301 | ||
302 | int wxRadioBox::FindString( const wxString &s ) const | |
303 | { | |
304 | wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid radiobox") ); | |
305 | ||
306 | int count = 0; | |
307 | ||
308 | wxNode *node = m_boxes.First(); | |
309 | while (node) | |
310 | { | |
311 | GtkButton *button = GTK_BUTTON( node->Data() ); | |
312 | ||
313 | GtkLabel *label = GTK_LABEL( button->child ); | |
314 | if (s == label->label) return count; | |
315 | count++; | |
316 | ||
317 | node = node->Next(); | |
318 | } | |
319 | ||
320 | return -1; | |
321 | } | |
322 | ||
323 | void wxRadioBox::SetFocus() | |
324 | { | |
325 | wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") ); | |
326 | ||
327 | if (m_boxes.GetCount() == 0) return; | |
328 | ||
329 | wxNode *node = m_boxes.First(); | |
330 | while (node) | |
331 | { | |
332 | GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() ); | |
333 | if (button->active) | |
334 | { | |
335 | gtk_widget_grab_focus( GTK_WIDGET(button) ); | |
336 | ||
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 |