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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/osx/radiobox.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 | m_macIsUserPane = false ; | |
102 | ||
103 | if ( !wxControl::Create( parent, id, pos, size, style, val, name ) ) | |
104 | return false; | |
105 | ||
106 | int i; | |
107 | ||
108 | m_noItems = (unsigned int)n; | |
109 | m_noRowsOrCols = majorDim; | |
110 | m_radioButtonCycle = NULL; | |
111 | ||
112 | SetMajorDim( majorDim == 0 ? n : majorDim, style ); | |
113 | ||
114 | m_labelOrig = m_label = label; | |
115 | ||
116 | m_peer = wxWidgetImpl::CreateGroupBox( this, parent, id, label, pos, size, style, GetExtraStyle() ); | |
117 | ||
118 | for (i = 0; i < n; i++) | |
119 | { | |
120 | wxRadioButton *radBtn = new wxRadioButton( | |
121 | this, | |
122 | wxID_ANY, | |
123 | GetLabelText(choices[i]), | |
124 | wxPoint( 5, 20 * i + 10 ), | |
125 | wxDefaultSize, | |
126 | i == 0 ? wxRB_GROUP : 0 ); | |
127 | ||
128 | if ( i == 0 ) | |
129 | m_radioButtonCycle = radBtn; | |
130 | // m_radioButtonCycle = radBtn->AddInCycle( m_radioButtonCycle ); | |
131 | } | |
132 | ||
133 | SetSelection( 0 ); | |
134 | MacPostControlCreate( pos, size ); | |
135 | ||
136 | return true; | |
137 | } | |
138 | ||
139 | // Enables or disables the entire radiobox | |
140 | // | |
141 | bool wxRadioBox::Enable(bool enable) | |
142 | { | |
143 | wxRadioButton *current; | |
144 | ||
145 | if (!wxControl::Enable( enable )) | |
146 | return false; | |
147 | ||
148 | current = m_radioButtonCycle; | |
149 | for (unsigned int i = 0; i < m_noItems; i++) | |
150 | { | |
151 | current->Enable( enable ); | |
152 | current = current->NextInCycle(); | |
153 | } | |
154 | ||
155 | return true; | |
156 | } | |
157 | ||
158 | // Enables or disables an given button | |
159 | // | |
160 | bool wxRadioBox::Enable(unsigned int item, bool enable) | |
161 | { | |
162 | if (!IsValid( item )) | |
163 | return false; | |
164 | ||
165 | unsigned int i = 0; | |
166 | wxRadioButton *current = m_radioButtonCycle; | |
167 | while (i != item) | |
168 | { | |
169 | i++; | |
170 | current = current->NextInCycle(); | |
171 | } | |
172 | ||
173 | return current->Enable( enable ); | |
174 | } | |
175 | ||
176 | bool wxRadioBox::IsItemEnabled(unsigned int item) const | |
177 | { | |
178 | if (!IsValid( item )) | |
179 | return false; | |
180 | ||
181 | unsigned int i = 0; | |
182 | wxRadioButton *current = m_radioButtonCycle; | |
183 | while (i != item) | |
184 | { | |
185 | i++; | |
186 | current = current->NextInCycle(); | |
187 | } | |
188 | ||
189 | return current->IsEnabled(); | |
190 | } | |
191 | ||
192 | // Returns the radiobox label | |
193 | // | |
194 | wxString wxRadioBox::GetLabel() const | |
195 | { | |
196 | return wxControl::GetLabel(); | |
197 | } | |
198 | ||
199 | // Returns the label for the given button | |
200 | // | |
201 | wxString wxRadioBox::GetString(unsigned int item) const | |
202 | { | |
203 | wxRadioButton *current; | |
204 | ||
205 | if (!IsValid( item )) | |
206 | return wxEmptyString; | |
207 | ||
208 | unsigned int i = 0; | |
209 | current = m_radioButtonCycle; | |
210 | while (i != item) | |
211 | { | |
212 | i++; | |
213 | current = current->NextInCycle(); | |
214 | } | |
215 | ||
216 | return current->GetLabel(); | |
217 | } | |
218 | ||
219 | // Returns the zero-based position of the selected button | |
220 | // | |
221 | int wxRadioBox::GetSelection() const | |
222 | { | |
223 | int i; | |
224 | wxRadioButton *current; | |
225 | ||
226 | i = 0; | |
227 | current = m_radioButtonCycle; | |
228 | while (!current->GetValue()) | |
229 | { | |
230 | i++; | |
231 | current = current->NextInCycle(); | |
232 | } | |
233 | ||
234 | return i; | |
235 | } | |
236 | ||
237 | // Sets the radiobox label | |
238 | // | |
239 | void wxRadioBox::SetLabel(const wxString& label) | |
240 | { | |
241 | return wxControl::SetLabel( label ); | |
242 | } | |
243 | ||
244 | // Sets the label of a given button | |
245 | // | |
246 | void wxRadioBox::SetString(unsigned int item,const wxString& label) | |
247 | { | |
248 | if (!IsValid( item )) | |
249 | return; | |
250 | ||
251 | unsigned int i = 0; | |
252 | wxRadioButton *current = m_radioButtonCycle; | |
253 | while (i != item) | |
254 | { | |
255 | i++; | |
256 | current = current->NextInCycle(); | |
257 | } | |
258 | ||
259 | return current->SetLabel( label ); | |
260 | } | |
261 | ||
262 | // Sets a button by passing the desired position. This does not cause | |
263 | // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted | |
264 | // | |
265 | void wxRadioBox::SetSelection(int item) | |
266 | { | |
267 | int i; | |
268 | wxRadioButton *current; | |
269 | ||
270 | if (!IsValid( item )) | |
271 | return; | |
272 | ||
273 | i = 0; | |
274 | current = m_radioButtonCycle; | |
275 | while (i != item) | |
276 | { | |
277 | i++; | |
278 | current = current->NextInCycle(); | |
279 | } | |
280 | ||
281 | current->SetValue( true ); | |
282 | } | |
283 | ||
284 | // Shows or hides the entire radiobox | |
285 | // | |
286 | bool wxRadioBox::Show(bool show) | |
287 | { | |
288 | wxRadioButton *current; | |
289 | ||
290 | current = m_radioButtonCycle; | |
291 | for (unsigned int i=0; i<m_noItems; i++) | |
292 | { | |
293 | current->Show( show ); | |
294 | current = current->NextInCycle(); | |
295 | } | |
296 | ||
297 | wxControl::Show( show ); | |
298 | ||
299 | return true; | |
300 | } | |
301 | ||
302 | // Shows or hides the given button | |
303 | // | |
304 | bool wxRadioBox::Show(unsigned int item, bool show) | |
305 | { | |
306 | if (!IsValid( item )) | |
307 | return false; | |
308 | ||
309 | unsigned int i = 0; | |
310 | wxRadioButton *current = m_radioButtonCycle; | |
311 | while (i != item) | |
312 | { | |
313 | i++; | |
314 | current = current->NextInCycle(); | |
315 | } | |
316 | ||
317 | return current->Show( show ); | |
318 | } | |
319 | ||
320 | bool wxRadioBox::IsItemShown(unsigned int item) const | |
321 | { | |
322 | if (!IsValid( item )) | |
323 | return false; | |
324 | ||
325 | unsigned int i = 0; | |
326 | wxRadioButton *current = m_radioButtonCycle; | |
327 | while (i != item) | |
328 | { | |
329 | i++; | |
330 | current = current->NextInCycle(); | |
331 | } | |
332 | ||
333 | return current->IsShown(); | |
334 | } | |
335 | ||
336 | ||
337 | // Simulates the effect of the user issuing a command to the item | |
338 | // | |
339 | void wxRadioBox::Command( wxCommandEvent& event ) | |
340 | { | |
341 | SetSelection( event.GetInt() ); | |
342 | ProcessCommand( event ); | |
343 | } | |
344 | ||
345 | // Sets the selected button to receive keyboard input | |
346 | // | |
347 | void wxRadioBox::SetFocus() | |
348 | { | |
349 | wxRadioButton *current; | |
350 | ||
351 | current = m_radioButtonCycle; | |
352 | while (!current->GetValue()) | |
353 | { | |
354 | current = current->NextInCycle(); | |
355 | } | |
356 | ||
357 | current->SetFocus(); | |
358 | } | |
359 | ||
360 | // Simulates the effect of the user issuing a command to the item | |
361 | // | |
362 | #if wxOSX_USE_CARBON | |
363 | #define RADIO_SIZE 20 | |
364 | #else | |
365 | // Cocoa has an additional border are of about 3 pixels | |
366 | #define RADIO_SIZE 23 | |
367 | #endif | |
368 | ||
369 | void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags) | |
370 | { | |
371 | int i; | |
372 | wxRadioButton *current; | |
373 | ||
374 | // define the position | |
375 | ||
376 | int x_current, y_current; | |
377 | int x_offset, y_offset; | |
378 | int widthOld, heightOld; | |
379 | ||
380 | GetSize( &widthOld, &heightOld ); | |
381 | GetPosition( &x_current, &y_current ); | |
382 | ||
383 | x_offset = x; | |
384 | y_offset = y; | |
385 | if (!(sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) | |
386 | { | |
387 | if (x == wxDefaultCoord) | |
388 | x_offset = x_current; | |
389 | if (y == wxDefaultCoord) | |
390 | y_offset = y_current; | |
391 | } | |
392 | ||
393 | // define size | |
394 | int charWidth, charHeight; | |
395 | int maxWidth, maxHeight; | |
396 | int eachWidth[128], eachHeight[128]; | |
397 | int totWidth, totHeight; | |
398 | ||
399 | GetTextExtent( | |
400 | wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), | |
401 | &charWidth, &charHeight ); | |
402 | ||
403 | charWidth /= 52; | |
404 | ||
405 | maxWidth = -1; | |
406 | maxHeight = -1; | |
407 | wxSize bestSizeRadio ; | |
408 | if ( m_radioButtonCycle ) | |
409 | bestSizeRadio = m_radioButtonCycle->GetBestSize(); | |
410 | ||
411 | for (unsigned int i = 0 ; i < m_noItems; i++) | |
412 | { | |
413 | GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i] ); | |
414 | eachWidth[i] = eachWidth[i] + RADIO_SIZE; | |
415 | eachHeight[i] = wxMax( eachHeight[i], bestSizeRadio.y ); | |
416 | ||
417 | if (maxWidth < eachWidth[i]) | |
418 | maxWidth = eachWidth[i]; | |
419 | if (maxHeight < eachHeight[i]) | |
420 | maxHeight = eachHeight[i]; | |
421 | } | |
422 | ||
423 | // according to HIG (official space - 3 Pixels Diff between Frame and Layout size) | |
424 | int space = 3; | |
425 | if ( GetWindowVariant() == wxWINDOW_VARIANT_MINI ) | |
426 | space = 2; | |
427 | ||
428 | totHeight = GetRowCount() * maxHeight + (GetRowCount() - 1) * space; | |
429 | totWidth = GetColumnCount() * (maxWidth + charWidth); | |
430 | ||
431 | wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) ) ; | |
432 | ||
433 | // change the width / height only when specified | |
434 | if ( width == wxDefaultCoord ) | |
435 | { | |
436 | if ( sizeFlags & wxSIZE_AUTO_WIDTH ) | |
437 | width = sz.x; | |
438 | else | |
439 | width = widthOld; | |
440 | } | |
441 | ||
442 | if ( height == wxDefaultCoord ) | |
443 | { | |
444 | if ( sizeFlags & wxSIZE_AUTO_HEIGHT ) | |
445 | height = sz.y; | |
446 | else | |
447 | height = heightOld; | |
448 | } | |
449 | ||
450 | wxControl::DoSetSize( x_offset, y_offset, width, height, wxSIZE_AUTO ); | |
451 | ||
452 | // arrange radio buttons | |
453 | int x_start, y_start; | |
454 | ||
455 | x_start = ( width - sz.x ) / 2; | |
456 | y_start = ( height - sz.y ) / 2; | |
457 | ||
458 | x_offset = x_start; | |
459 | y_offset = y_start; | |
460 | ||
461 | current = m_radioButtonCycle; | |
462 | for (i = 0 ; i < (int)m_noItems; i++) | |
463 | { | |
464 | // not to do for the zero button! | |
465 | if ((i > 0) && ((i % GetMajorDim()) == 0)) | |
466 | { | |
467 | if (m_windowStyle & wxRA_SPECIFY_ROWS) | |
468 | { | |
469 | x_offset += maxWidth + charWidth; | |
470 | y_offset = y_start; | |
471 | } | |
472 | else | |
473 | { | |
474 | x_offset = x_start; | |
475 | y_offset += maxHeight + space; | |
476 | } | |
477 | } | |
478 | ||
479 | current->SetSize( x_offset, y_offset, eachWidth[i], eachHeight[i] ); | |
480 | current = current->NextInCycle(); | |
481 | ||
482 | if (m_windowStyle & wxRA_SPECIFY_ROWS) | |
483 | y_offset += maxHeight + space; | |
484 | else | |
485 | x_offset += maxWidth + charWidth; | |
486 | } | |
487 | } | |
488 | ||
489 | wxSize wxRadioBox::DoGetBestSize() const | |
490 | { | |
491 | int charWidth, charHeight; | |
492 | int maxWidth, maxHeight; | |
493 | int eachWidth, eachHeight; | |
494 | int totWidth, totHeight; | |
495 | ||
496 | wxFont font = GetFont(); // GetParent()->GetFont() | |
497 | GetTextExtent( | |
498 | wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), | |
499 | &charWidth, &charHeight, NULL, NULL, &font ); | |
500 | ||
501 | charWidth /= 52; | |
502 | ||
503 | maxWidth = -1; | |
504 | maxHeight = -1; | |
505 | ||
506 | wxSize bestSizeRadio ; | |
507 | if ( m_radioButtonCycle ) | |
508 | bestSizeRadio = m_radioButtonCycle->GetBestSize(); | |
509 | ||
510 | for (unsigned int i = 0 ; i < m_noItems; i++) | |
511 | { | |
512 | GetTextExtent(GetString(i), &eachWidth, &eachHeight, NULL, NULL, &font ); | |
513 | eachWidth = (eachWidth + RADIO_SIZE); | |
514 | eachHeight = wxMax(eachHeight, bestSizeRadio.y ); | |
515 | if (maxWidth < eachWidth) | |
516 | maxWidth = eachWidth; | |
517 | if (maxHeight < eachHeight) | |
518 | maxHeight = eachHeight; | |
519 | } | |
520 | ||
521 | // according to HIG (official space - 3 Pixels Diff between Frame and Layout size) | |
522 | int space = 3; | |
523 | if ( GetWindowVariant() == wxWINDOW_VARIANT_MINI ) | |
524 | space = 2; | |
525 | ||
526 | totHeight = GetRowCount() * maxHeight + (GetRowCount() - 1) * space; | |
527 | totWidth = GetColumnCount() * (maxWidth + charWidth); | |
528 | ||
529 | wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) ); | |
530 | totWidth = sz.x; | |
531 | totHeight = sz.y; | |
532 | ||
533 | // optimum size is an additional 5 pt border to all sides | |
534 | totWidth += 10; | |
535 | totHeight += 10; | |
536 | ||
537 | // handle radio box title as well | |
538 | GetTextExtent( GetLabel(), &eachWidth, NULL ); | |
539 | eachWidth = (int)(eachWidth + RADIO_SIZE) + 3 * charWidth; | |
540 | if (totWidth < eachWidth) | |
541 | totWidth = eachWidth; | |
542 | ||
543 | return wxSize( totWidth, totHeight ); | |
544 | } | |
545 | ||
546 | bool wxRadioBox::SetFont(const wxFont& font) | |
547 | { | |
548 | bool retval = wxWindowBase::SetFont( font ); | |
549 | ||
550 | // dont' update the native control, it has its own small font | |
551 | ||
552 | // should we iterate over the children ? | |
553 | ||
554 | return retval; | |
555 | } | |
556 | ||
557 | #endif // wxUSE_RADIOBOX |