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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/osx/radiobox_osx.cpp | |
3 | // Purpose: wxRadioBox | |
4 | // Author: Stefan Csomor | |
5 | // Modified by: JS Lair (99/11/15) first implementation | |
6 | // Created: 1998-01-01 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Stefan Csomor | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #include "wx/wxprec.h" | |
13 | ||
14 | #if wxUSE_RADIOBOX | |
15 | ||
16 | #include "wx/radiobox.h" | |
17 | ||
18 | #ifndef WX_PRECOMP | |
19 | #include "wx/radiobut.h" | |
20 | #include "wx/arrstr.h" | |
21 | #endif | |
22 | ||
23 | #include "wx/osx/private.h" | |
24 | ||
25 | // regarding layout: note that there are differences in inter-control | |
26 | // spacing between InterfaceBuild and the Human Interface Guidelines, we stick | |
27 | // to the latter, as those are also used eg in the System Preferences Dialogs | |
28 | ||
29 | IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl) | |
30 | ||
31 | ||
32 | BEGIN_EVENT_TABLE(wxRadioBox, wxControl) | |
33 | EVT_RADIOBUTTON( wxID_ANY , wxRadioBox::OnRadioButton ) | |
34 | END_EVENT_TABLE() | |
35 | ||
36 | ||
37 | void wxRadioBox::OnRadioButton( wxCommandEvent &outer ) | |
38 | { | |
39 | if ( outer.IsChecked() ) | |
40 | { | |
41 | wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId ); | |
42 | int i = GetSelection() ; | |
43 | event.SetInt(i); | |
44 | event.SetString(GetString(i)); | |
45 | event.SetEventObject( this ); | |
46 | ProcessCommand(event); | |
47 | } | |
48 | } | |
49 | ||
50 | wxRadioBox::wxRadioBox() | |
51 | { | |
52 | m_noItems = 0; | |
53 | m_noRowsOrCols = 0; | |
54 | m_radioButtonCycle = NULL; | |
55 | } | |
56 | ||
57 | wxRadioBox::~wxRadioBox() | |
58 | { | |
59 | SendDestroyEvent(); | |
60 | ||
61 | wxRadioButton *next, *current; | |
62 | ||
63 | current = m_radioButtonCycle->NextInCycle(); | |
64 | if (current != NULL) | |
65 | { | |
66 | while (current != m_radioButtonCycle) | |
67 | { | |
68 | next = current->NextInCycle(); | |
69 | delete current; | |
70 | ||
71 | current = next; | |
72 | } | |
73 | ||
74 | delete current; | |
75 | } | |
76 | } | |
77 | ||
78 | // Create the radiobox for two-step construction | |
79 | ||
80 | bool wxRadioBox::Create( wxWindow *parent, | |
81 | wxWindowID id, const wxString& label, | |
82 | const wxPoint& pos, const wxSize& size, | |
83 | const wxArrayString& choices, | |
84 | int majorDim, long style, | |
85 | const wxValidator& val, const wxString& name ) | |
86 | { | |
87 | wxCArrayString chs(choices); | |
88 | ||
89 | return Create( | |
90 | parent, id, label, pos, size, chs.GetCount(), | |
91 | chs.GetStrings(), majorDim, style, val, name); | |
92 | } | |
93 | ||
94 | bool wxRadioBox::Create( wxWindow *parent, | |
95 | wxWindowID id, const wxString& label, | |
96 | const wxPoint& pos, const wxSize& size, | |
97 | int n, const wxString choices[], | |
98 | int majorDim, long style, | |
99 | const wxValidator& val, const wxString& name ) | |
100 | { | |
101 | DontCreatePeer(); | |
102 | ||
103 | if ( !wxControl::Create( parent, id, pos, size, style, val, name ) ) | |
104 | return false; | |
105 | ||
106 | // during construction we must keep this at 0, otherwise GetBestSize fails | |
107 | m_noItems = 0; | |
108 | m_noRowsOrCols = majorDim; | |
109 | m_radioButtonCycle = NULL; | |
110 | ||
111 | SetMajorDim( majorDim == 0 ? n : majorDim, style ); | |
112 | ||
113 | m_labelOrig = m_label = label; | |
114 | ||
115 | SetPeer(wxWidgetImpl::CreateGroupBox( this, parent, id, label, pos, size, style, GetExtraStyle() )); | |
116 | ||
117 | for (int i = 0; i < n; i++) | |
118 | { | |
119 | wxRadioButton *radBtn = new wxRadioButton( | |
120 | this, | |
121 | wxID_ANY, | |
122 | GetLabelText(choices[i]), | |
123 | wxPoint( 5, 20 * i + 10 ), | |
124 | wxDefaultSize, | |
125 | i == 0 ? wxRB_GROUP : 0 ); | |
126 | ||
127 | if ( i == 0 ) | |
128 | m_radioButtonCycle = radBtn; | |
129 | // m_radioButtonCycle = radBtn->AddInCycle( m_radioButtonCycle ); | |
130 | } | |
131 | ||
132 | // as all radiobuttons have been set-up, set the correct dimensions | |
133 | m_noItems = (unsigned int)n; | |
134 | SetMajorDim( majorDim == 0 ? n : majorDim, style ); | |
135 | ||
136 | SetSelection( 0 ); | |
137 | InvalidateBestSize(); | |
138 | SetInitialSize( size ); | |
139 | MacPostControlCreate( pos, size ); | |
140 | ||
141 | return true; | |
142 | } | |
143 | ||
144 | // Enables or disables the entire radiobox | |
145 | // | |
146 | bool wxRadioBox::Enable(bool enable) | |
147 | { | |
148 | wxRadioButton *current; | |
149 | ||
150 | if (!wxControl::Enable( enable )) | |
151 | return false; | |
152 | ||
153 | current = m_radioButtonCycle; | |
154 | for (unsigned int i = 0; i < m_noItems; i++) | |
155 | { | |
156 | current->Enable( enable ); | |
157 | current = current->NextInCycle(); | |
158 | } | |
159 | ||
160 | return true; | |
161 | } | |
162 | ||
163 | // Enables or disables an given button | |
164 | // | |
165 | bool wxRadioBox::Enable(unsigned int item, bool enable) | |
166 | { | |
167 | if (!IsValid( item )) | |
168 | return false; | |
169 | ||
170 | unsigned int i = 0; | |
171 | wxRadioButton *current = m_radioButtonCycle; | |
172 | while (i != item) | |
173 | { | |
174 | i++; | |
175 | current = current->NextInCycle(); | |
176 | } | |
177 | ||
178 | return current->Enable( enable ); | |
179 | } | |
180 | ||
181 | bool wxRadioBox::IsItemEnabled(unsigned int item) const | |
182 | { | |
183 | if (!IsValid( item )) | |
184 | return false; | |
185 | ||
186 | unsigned int i = 0; | |
187 | wxRadioButton *current = m_radioButtonCycle; | |
188 | while (i != item) | |
189 | { | |
190 | i++; | |
191 | current = current->NextInCycle(); | |
192 | } | |
193 | ||
194 | return current->IsEnabled(); | |
195 | } | |
196 | ||
197 | // Returns the radiobox label | |
198 | // | |
199 | wxString wxRadioBox::GetLabel() const | |
200 | { | |
201 | return wxControl::GetLabel(); | |
202 | } | |
203 | ||
204 | // Returns the label for the given button | |
205 | // | |
206 | wxString wxRadioBox::GetString(unsigned int item) const | |
207 | { | |
208 | wxRadioButton *current; | |
209 | ||
210 | if (!IsValid( item )) | |
211 | return wxEmptyString; | |
212 | ||
213 | unsigned int i = 0; | |
214 | current = m_radioButtonCycle; | |
215 | while (i != item) | |
216 | { | |
217 | i++; | |
218 | current = current->NextInCycle(); | |
219 | } | |
220 | ||
221 | return current->GetLabel(); | |
222 | } | |
223 | ||
224 | // Returns the zero-based position of the selected button | |
225 | // | |
226 | int wxRadioBox::GetSelection() const | |
227 | { | |
228 | int i; | |
229 | wxRadioButton *current; | |
230 | ||
231 | i = 0; | |
232 | current = m_radioButtonCycle; | |
233 | while (!current->GetValue()) | |
234 | { | |
235 | i++; | |
236 | current = current->NextInCycle(); | |
237 | } | |
238 | ||
239 | return i; | |
240 | } | |
241 | ||
242 | // Sets the radiobox label | |
243 | // | |
244 | void wxRadioBox::SetLabel(const wxString& label) | |
245 | { | |
246 | return wxControl::SetLabel( label ); | |
247 | } | |
248 | ||
249 | // Sets the label of a given button | |
250 | // | |
251 | void wxRadioBox::SetString(unsigned int item,const wxString& label) | |
252 | { | |
253 | if (!IsValid( item )) | |
254 | return; | |
255 | ||
256 | unsigned int i = 0; | |
257 | wxRadioButton *current = m_radioButtonCycle; | |
258 | while (i != item) | |
259 | { | |
260 | i++; | |
261 | current = current->NextInCycle(); | |
262 | } | |
263 | ||
264 | return current->SetLabel( label ); | |
265 | } | |
266 | ||
267 | // Sets a button by passing the desired position. This does not cause | |
268 | // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted | |
269 | // | |
270 | void wxRadioBox::SetSelection(int item) | |
271 | { | |
272 | int i; | |
273 | wxRadioButton *current; | |
274 | ||
275 | if (!IsValid( item )) | |
276 | return; | |
277 | ||
278 | i = 0; | |
279 | current = m_radioButtonCycle; | |
280 | while (i != item) | |
281 | { | |
282 | i++; | |
283 | current = current->NextInCycle(); | |
284 | } | |
285 | ||
286 | current->SetValue( true ); | |
287 | } | |
288 | ||
289 | // Shows or hides the entire radiobox | |
290 | // | |
291 | bool wxRadioBox::Show(bool show) | |
292 | { | |
293 | wxRadioButton *current; | |
294 | ||
295 | current = m_radioButtonCycle; | |
296 | for (unsigned int i=0; i<m_noItems; i++) | |
297 | { | |
298 | current->Show( show ); | |
299 | current = current->NextInCycle(); | |
300 | } | |
301 | ||
302 | wxControl::Show( show ); | |
303 | ||
304 | return true; | |
305 | } | |
306 | ||
307 | // Shows or hides the given button | |
308 | // | |
309 | bool wxRadioBox::Show(unsigned int item, bool show) | |
310 | { | |
311 | if (!IsValid( item )) | |
312 | return false; | |
313 | ||
314 | unsigned int i = 0; | |
315 | wxRadioButton *current = m_radioButtonCycle; | |
316 | while (i != item) | |
317 | { | |
318 | i++; | |
319 | current = current->NextInCycle(); | |
320 | } | |
321 | ||
322 | return current->Show( show ); | |
323 | } | |
324 | ||
325 | bool wxRadioBox::IsItemShown(unsigned int item) const | |
326 | { | |
327 | if (!IsValid( item )) | |
328 | return false; | |
329 | ||
330 | unsigned int i = 0; | |
331 | wxRadioButton *current = m_radioButtonCycle; | |
332 | while (i != item) | |
333 | { | |
334 | i++; | |
335 | current = current->NextInCycle(); | |
336 | } | |
337 | ||
338 | return current->IsShown(); | |
339 | } | |
340 | ||
341 | ||
342 | // Simulates the effect of the user issuing a command to the item | |
343 | // | |
344 | void wxRadioBox::Command( wxCommandEvent& event ) | |
345 | { | |
346 | SetSelection( event.GetInt() ); | |
347 | ProcessCommand( event ); | |
348 | } | |
349 | ||
350 | // Sets the selected button to receive keyboard input | |
351 | // | |
352 | void wxRadioBox::SetFocus() | |
353 | { | |
354 | wxRadioButton *current; | |
355 | ||
356 | current = m_radioButtonCycle; | |
357 | while (!current->GetValue()) | |
358 | { | |
359 | current = current->NextInCycle(); | |
360 | } | |
361 | ||
362 | current->SetFocus(); | |
363 | } | |
364 | ||
365 | // Simulates the effect of the user issuing a command to the item | |
366 | // | |
367 | #if wxOSX_USE_CARBON | |
368 | #define RADIO_SIZE 20 | |
369 | #else | |
370 | // Cocoa has an additional border are of about 3 pixels | |
371 | #define RADIO_SIZE 23 | |
372 | #endif | |
373 | ||
374 | void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags) | |
375 | { | |
376 | int i; | |
377 | wxRadioButton *current; | |
378 | ||
379 | // define the position | |
380 | ||
381 | int x_current, y_current; | |
382 | int x_offset, y_offset; | |
383 | int widthOld, heightOld; | |
384 | ||
385 | GetSize( &widthOld, &heightOld ); | |
386 | GetPosition( &x_current, &y_current ); | |
387 | ||
388 | x_offset = x; | |
389 | y_offset = y; | |
390 | if (!(sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) | |
391 | { | |
392 | if (x == wxDefaultCoord) | |
393 | x_offset = x_current; | |
394 | if (y == wxDefaultCoord) | |
395 | y_offset = y_current; | |
396 | } | |
397 | ||
398 | // define size | |
399 | int charWidth, charHeight; | |
400 | int maxWidth, maxHeight; | |
401 | int eachWidth[128], eachHeight[128]; | |
402 | int totWidth, totHeight; | |
403 | ||
404 | GetTextExtent( | |
405 | wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), | |
406 | &charWidth, &charHeight ); | |
407 | ||
408 | charWidth /= 52; | |
409 | ||
410 | maxWidth = -1; | |
411 | maxHeight = -1; | |
412 | wxSize bestSizeRadio ; | |
413 | if ( m_radioButtonCycle ) | |
414 | bestSizeRadio = m_radioButtonCycle->GetBestSize(); | |
415 | ||
416 | for (unsigned int i = 0 ; i < m_noItems; i++) | |
417 | { | |
418 | GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i] ); | |
419 | eachWidth[i] = eachWidth[i] + RADIO_SIZE; | |
420 | eachHeight[i] = wxMax( eachHeight[i], bestSizeRadio.y ); | |
421 | ||
422 | if (maxWidth < eachWidth[i]) | |
423 | maxWidth = eachWidth[i]; | |
424 | if (maxHeight < eachHeight[i]) | |
425 | maxHeight = eachHeight[i]; | |
426 | } | |
427 | ||
428 | // according to HIG (official space - 3 Pixels Diff between Frame and Layout size) | |
429 | int space = 3; | |
430 | if ( GetWindowVariant() == wxWINDOW_VARIANT_MINI ) | |
431 | space = 2; | |
432 | ||
433 | totHeight = GetRowCount() * maxHeight + (GetRowCount() - 1) * space; | |
434 | totWidth = GetColumnCount() * (maxWidth + charWidth); | |
435 | ||
436 | wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) ) ; | |
437 | ||
438 | // change the width / height only when specified | |
439 | if ( width == wxDefaultCoord ) | |
440 | { | |
441 | if ( sizeFlags & wxSIZE_AUTO_WIDTH ) | |
442 | width = sz.x; | |
443 | else | |
444 | width = widthOld; | |
445 | } | |
446 | ||
447 | if ( height == wxDefaultCoord ) | |
448 | { | |
449 | if ( sizeFlags & wxSIZE_AUTO_HEIGHT ) | |
450 | height = sz.y; | |
451 | else | |
452 | height = heightOld; | |
453 | } | |
454 | ||
455 | wxControl::DoSetSize( x_offset, y_offset, width, height, wxSIZE_AUTO ); | |
456 | ||
457 | // arrange radio buttons | |
458 | int x_start, y_start; | |
459 | ||
460 | x_start = ( width - sz.x ) / 2; | |
461 | y_start = ( height - sz.y ) / 2; | |
462 | ||
463 | x_offset = x_start; | |
464 | y_offset = y_start; | |
465 | ||
466 | current = m_radioButtonCycle; | |
467 | for (i = 0 ; i < (int)m_noItems; i++) | |
468 | { | |
469 | // not to do for the zero button! | |
470 | if ((i > 0) && ((i % GetMajorDim()) == 0)) | |
471 | { | |
472 | if (m_windowStyle & wxRA_SPECIFY_ROWS) | |
473 | { | |
474 | x_offset += maxWidth + charWidth; | |
475 | y_offset = y_start; | |
476 | } | |
477 | else | |
478 | { | |
479 | x_offset = x_start; | |
480 | y_offset += maxHeight + space; | |
481 | } | |
482 | } | |
483 | ||
484 | current->SetSize( x_offset, y_offset, eachWidth[i], eachHeight[i] ); | |
485 | current = current->NextInCycle(); | |
486 | ||
487 | if (m_windowStyle & wxRA_SPECIFY_ROWS) | |
488 | y_offset += maxHeight + space; | |
489 | else | |
490 | x_offset += maxWidth + charWidth; | |
491 | } | |
492 | } | |
493 | ||
494 | wxSize wxRadioBox::DoGetBestSize() const | |
495 | { | |
496 | int charWidth, charHeight; | |
497 | int maxWidth, maxHeight; | |
498 | int eachWidth, eachHeight; | |
499 | int totWidth, totHeight; | |
500 | ||
501 | wxFont font = GetFont(); // GetParent()->GetFont() | |
502 | GetTextExtent( | |
503 | wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), | |
504 | &charWidth, &charHeight, NULL, NULL, &font ); | |
505 | ||
506 | charWidth /= 52; | |
507 | ||
508 | maxWidth = -1; | |
509 | maxHeight = -1; | |
510 | ||
511 | wxSize bestSizeRadio ; | |
512 | if ( m_radioButtonCycle ) | |
513 | bestSizeRadio = m_radioButtonCycle->GetBestSize(); | |
514 | ||
515 | for (unsigned int i = 0 ; i < m_noItems; i++) | |
516 | { | |
517 | GetTextExtent(GetString(i), &eachWidth, &eachHeight, NULL, NULL, &font ); | |
518 | eachWidth = (eachWidth + RADIO_SIZE); | |
519 | eachHeight = wxMax(eachHeight, bestSizeRadio.y ); | |
520 | if (maxWidth < eachWidth) | |
521 | maxWidth = eachWidth; | |
522 | if (maxHeight < eachHeight) | |
523 | maxHeight = eachHeight; | |
524 | } | |
525 | ||
526 | // according to HIG (official space - 3 Pixels Diff between Frame and Layout size) | |
527 | int space = 3; | |
528 | if ( GetWindowVariant() == wxWINDOW_VARIANT_MINI ) | |
529 | space = 2; | |
530 | ||
531 | totHeight = GetRowCount() * maxHeight + (GetRowCount() - 1) * space; | |
532 | totWidth = GetColumnCount() * (maxWidth + charWidth); | |
533 | ||
534 | wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) ); | |
535 | totWidth = sz.x; | |
536 | totHeight = sz.y; | |
537 | ||
538 | // optimum size is an additional 5 pt border to all sides | |
539 | totWidth += 10; | |
540 | totHeight += 10; | |
541 | ||
542 | // handle radio box title as well | |
543 | GetTextExtent( GetLabel(), &eachWidth, NULL ); | |
544 | eachWidth = (int)(eachWidth + RADIO_SIZE) + 3 * charWidth; | |
545 | if (totWidth < eachWidth) | |
546 | totWidth = eachWidth; | |
547 | ||
548 | return wxSize( totWidth, totHeight ); | |
549 | } | |
550 | ||
551 | bool wxRadioBox::SetFont(const wxFont& font) | |
552 | { | |
553 | bool retval = wxWindowBase::SetFont( font ); | |
554 | ||
555 | // dont' update the native control, it has its own small font | |
556 | ||
557 | // should we iterate over the children ? | |
558 | ||
559 | return retval; | |
560 | } | |
561 | ||
562 | #endif // wxUSE_RADIOBOX |