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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/mac/carbon/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/mac/uma.h" | |
24 | ||
25 | IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl) | |
26 | ||
27 | ||
28 | BEGIN_EVENT_TABLE(wxRadioBox, wxControl) | |
29 | EVT_RADIOBUTTON( wxID_ANY , wxRadioBox::OnRadioButton ) | |
30 | END_EVENT_TABLE() | |
31 | ||
32 | ||
33 | void wxRadioBox::OnRadioButton( wxCommandEvent &outer ) | |
34 | { | |
35 | if ( outer.IsChecked() ) | |
36 | { | |
37 | wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId ); | |
38 | int i = GetSelection() ; | |
39 | event.SetInt(i); | |
40 | event.SetString(GetString(i)); | |
41 | event.SetEventObject( this ); | |
42 | ProcessCommand(event); | |
43 | } | |
44 | } | |
45 | ||
46 | wxRadioBox::wxRadioBox() | |
47 | { | |
48 | m_noItems = 0; | |
49 | m_noRowsOrCols = 0; | |
50 | m_radioButtonCycle = NULL; | |
51 | } | |
52 | ||
53 | wxRadioBox::~wxRadioBox() | |
54 | { | |
55 | m_isBeingDeleted = true; | |
56 | ||
57 | wxRadioButton *next, *current; | |
58 | ||
59 | current = m_radioButtonCycle->NextInCycle(); | |
60 | if (current != NULL) | |
61 | { | |
62 | while (current != m_radioButtonCycle) | |
63 | { | |
64 | next = current->NextInCycle(); | |
65 | delete current; | |
66 | ||
67 | current = next; | |
68 | } | |
69 | ||
70 | delete current; | |
71 | } | |
72 | } | |
73 | ||
74 | // Create the radiobox for two-step construction | |
75 | ||
76 | bool wxRadioBox::Create( wxWindow *parent, | |
77 | wxWindowID id, const wxString& label, | |
78 | const wxPoint& pos, const wxSize& size, | |
79 | const wxArrayString& choices, | |
80 | int majorDim, long style, | |
81 | const wxValidator& val, const wxString& name ) | |
82 | { | |
83 | wxCArrayString chs(choices); | |
84 | ||
85 | return Create( | |
86 | parent, id, label, pos, size, chs.GetCount(), | |
87 | chs.GetStrings(), majorDim, style, val, name); | |
88 | } | |
89 | ||
90 | bool wxRadioBox::Create( wxWindow *parent, | |
91 | wxWindowID id, const wxString& label, | |
92 | const wxPoint& pos, const wxSize& size, | |
93 | int n, const wxString choices[], | |
94 | int majorDim, long style, | |
95 | const wxValidator& val, const wxString& name ) | |
96 | { | |
97 | m_macIsUserPane = false ; | |
98 | ||
99 | if ( !wxControl::Create( parent, id, pos, size, style, val, name ) ) | |
100 | return false; | |
101 | ||
102 | int i; | |
103 | ||
104 | m_noItems = (unsigned int)n; | |
105 | m_noRowsOrCols = majorDim; | |
106 | m_radioButtonCycle = NULL; | |
107 | ||
108 | SetMajorDim( majorDim == 0 ? n : majorDim, style ); | |
109 | ||
110 | m_label = label; | |
111 | ||
112 | Rect bounds = wxMacGetBoundsForControl( this, pos, size ); | |
113 | if ( bounds.right <= bounds.left ) | |
114 | bounds.right = bounds.left + 100; | |
115 | if ( bounds.bottom <= bounds.top ) | |
116 | bounds.bottom = bounds.top + 100; | |
117 | ||
118 | m_peer = new wxMacControl( this ); | |
119 | ||
120 | OSStatus err = CreateGroupBoxControl( | |
121 | MAC_WXHWND(parent->MacGetTopLevelWindowRef()), | |
122 | &bounds, CFSTR("") , true /*primary*/, | |
123 | m_peer->GetControlRefAddr() ); | |
124 | verify_noerr( err ); | |
125 | ||
126 | for (i = 0; i < n; i++) | |
127 | { | |
128 | wxRadioButton *radBtn = new wxRadioButton( | |
129 | this, | |
130 | wxID_ANY, | |
131 | GetLabelText(choices[i]), | |
132 | wxPoint( 5, 20 * i + 10 ), | |
133 | wxDefaultSize, | |
134 | i == 0 ? wxRB_GROUP : 0 ); | |
135 | ||
136 | if ( i == 0 ) | |
137 | m_radioButtonCycle = radBtn; | |
138 | // m_radioButtonCycle = radBtn->AddInCycle( m_radioButtonCycle ); | |
139 | } | |
140 | ||
141 | SetSelection( 0 ); | |
142 | MacPostControlCreate( pos, size ); | |
143 | ||
144 | return true; | |
145 | } | |
146 | ||
147 | // Enables or disables the entire radiobox | |
148 | // | |
149 | bool wxRadioBox::Enable(bool enable) | |
150 | { | |
151 | wxRadioButton *current; | |
152 | ||
153 | if (!wxControl::Enable( enable )) | |
154 | return false; | |
155 | ||
156 | current = m_radioButtonCycle; | |
157 | for (unsigned int i = 0; i < m_noItems; i++) | |
158 | { | |
159 | current->Enable( enable ); | |
160 | current = current->NextInCycle(); | |
161 | } | |
162 | ||
163 | return true; | |
164 | } | |
165 | ||
166 | // Enables or disables an given button | |
167 | // | |
168 | bool wxRadioBox::Enable(unsigned int item, bool enable) | |
169 | { | |
170 | if (!IsValid( item )) | |
171 | return false; | |
172 | ||
173 | unsigned int i = 0; | |
174 | wxRadioButton *current = m_radioButtonCycle; | |
175 | while (i != item) | |
176 | { | |
177 | i++; | |
178 | current = current->NextInCycle(); | |
179 | } | |
180 | ||
181 | return current->Enable( enable ); | |
182 | } | |
183 | ||
184 | // Returns the radiobox label | |
185 | // | |
186 | wxString wxRadioBox::GetLabel() const | |
187 | { | |
188 | return wxControl::GetLabel(); | |
189 | } | |
190 | ||
191 | // Returns the label for the given button | |
192 | // | |
193 | wxString wxRadioBox::GetString(unsigned int item) const | |
194 | { | |
195 | wxRadioButton *current; | |
196 | ||
197 | if (!IsValid( item )) | |
198 | return wxEmptyString; | |
199 | ||
200 | unsigned int i = 0; | |
201 | current = m_radioButtonCycle; | |
202 | while (i != item) | |
203 | { | |
204 | i++; | |
205 | current = current->NextInCycle(); | |
206 | } | |
207 | ||
208 | return current->GetLabel(); | |
209 | } | |
210 | ||
211 | // Returns the zero-based position of the selected button | |
212 | // | |
213 | int wxRadioBox::GetSelection() const | |
214 | { | |
215 | int i; | |
216 | wxRadioButton *current; | |
217 | ||
218 | i = 0; | |
219 | current = m_radioButtonCycle; | |
220 | while (!current->GetValue()) | |
221 | { | |
222 | i++; | |
223 | current = current->NextInCycle(); | |
224 | } | |
225 | ||
226 | return i; | |
227 | } | |
228 | ||
229 | // Sets the radiobox label | |
230 | // | |
231 | void wxRadioBox::SetLabel(const wxString& label) | |
232 | { | |
233 | return wxControl::SetLabel( label ); | |
234 | } | |
235 | ||
236 | // Sets the label of a given button | |
237 | // | |
238 | void wxRadioBox::SetString(unsigned int item,const wxString& label) | |
239 | { | |
240 | if (!IsValid( item )) | |
241 | return; | |
242 | ||
243 | unsigned int i = 0; | |
244 | wxRadioButton *current = m_radioButtonCycle; | |
245 | while (i != item) | |
246 | { | |
247 | i++; | |
248 | current = current->NextInCycle(); | |
249 | } | |
250 | ||
251 | return current->SetLabel( label ); | |
252 | } | |
253 | ||
254 | // Sets a button by passing the desired position. This does not cause | |
255 | // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted | |
256 | // | |
257 | void wxRadioBox::SetSelection(int item) | |
258 | { | |
259 | int i; | |
260 | wxRadioButton *current; | |
261 | ||
262 | if (!IsValid( item )) | |
263 | return; | |
264 | ||
265 | i = 0; | |
266 | current = m_radioButtonCycle; | |
267 | while (i != item) | |
268 | { | |
269 | i++; | |
270 | current = current->NextInCycle(); | |
271 | } | |
272 | ||
273 | current->SetValue( true ); | |
274 | } | |
275 | ||
276 | // Shows or hides the entire radiobox | |
277 | // | |
278 | bool wxRadioBox::Show(bool show) | |
279 | { | |
280 | wxRadioButton *current; | |
281 | ||
282 | current = m_radioButtonCycle; | |
283 | for (unsigned int i=0; i<m_noItems; i++) | |
284 | { | |
285 | current->Show( show ); | |
286 | current = current->NextInCycle(); | |
287 | } | |
288 | ||
289 | wxControl::Show( show ); | |
290 | ||
291 | return true; | |
292 | } | |
293 | ||
294 | // Shows or hides the given button | |
295 | // | |
296 | bool wxRadioBox::Show(unsigned int item, bool show) | |
297 | { | |
298 | if (!IsValid( item )) | |
299 | return false; | |
300 | ||
301 | unsigned int i = 0; | |
302 | wxRadioButton *current = m_radioButtonCycle; | |
303 | while (i != item) | |
304 | { | |
305 | i++; | |
306 | current = current->NextInCycle(); | |
307 | } | |
308 | ||
309 | return current->Show( show ); | |
310 | } | |
311 | ||
312 | // Simulates the effect of the user issuing a command to the item | |
313 | // | |
314 | void wxRadioBox::Command( wxCommandEvent& event ) | |
315 | { | |
316 | SetSelection( event.GetInt() ); | |
317 | ProcessCommand( event ); | |
318 | } | |
319 | ||
320 | // Sets the selected button to receive keyboard input | |
321 | // | |
322 | void wxRadioBox::SetFocus() | |
323 | { | |
324 | wxRadioButton *current; | |
325 | ||
326 | current = m_radioButtonCycle; | |
327 | while (!current->GetValue()) | |
328 | { | |
329 | current = current->NextInCycle(); | |
330 | } | |
331 | ||
332 | current->SetFocus(); | |
333 | } | |
334 | ||
335 | // Simulates the effect of the user issuing a command to the item | |
336 | // | |
337 | #define RADIO_SIZE 20 | |
338 | ||
339 | void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags) | |
340 | { | |
341 | int i; | |
342 | wxRadioButton *current; | |
343 | ||
344 | // define the position | |
345 | ||
346 | int x_current, y_current; | |
347 | int x_offset, y_offset; | |
348 | int widthOld, heightOld; | |
349 | ||
350 | GetSize( &widthOld, &heightOld ); | |
351 | GetPosition( &x_current, &y_current ); | |
352 | ||
353 | x_offset = x; | |
354 | y_offset = y; | |
355 | if (!(sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) | |
356 | { | |
357 | if (x == wxDefaultCoord) | |
358 | x_offset = x_current; | |
359 | if (y == wxDefaultCoord) | |
360 | y_offset = y_current; | |
361 | } | |
362 | ||
363 | // define size | |
364 | int charWidth, charHeight; | |
365 | int maxWidth, maxHeight; | |
366 | int eachWidth[128], eachHeight[128]; | |
367 | int totWidth, totHeight; | |
368 | ||
369 | GetTextExtent( | |
370 | wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), | |
371 | &charWidth, &charHeight ); | |
372 | ||
373 | charWidth /= 52; | |
374 | ||
375 | maxWidth = -1; | |
376 | maxHeight = -1; | |
377 | for (unsigned int i = 0 ; i < m_noItems; i++) | |
378 | { | |
379 | GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i] ); | |
380 | eachWidth[i] = (int)(eachWidth[i] + RADIO_SIZE); | |
381 | eachHeight[i] = (int)((3 * eachHeight[i]) / 2); | |
382 | ||
383 | if (maxWidth < eachWidth[i]) | |
384 | maxWidth = eachWidth[i]; | |
385 | if (maxHeight < eachHeight[i]) | |
386 | maxHeight = eachHeight[i]; | |
387 | } | |
388 | ||
389 | totHeight = GetRowCount() * maxHeight; | |
390 | totWidth = GetColumnCount() * (maxWidth + charWidth); | |
391 | ||
392 | wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) ) ; | |
393 | ||
394 | // change the width / height only when specified | |
395 | if ( width == wxDefaultCoord ) | |
396 | { | |
397 | if ( sizeFlags & wxSIZE_AUTO_WIDTH ) | |
398 | width = sz.x; | |
399 | else | |
400 | width = widthOld; | |
401 | } | |
402 | ||
403 | if ( height == wxDefaultCoord ) | |
404 | { | |
405 | if ( sizeFlags & wxSIZE_AUTO_HEIGHT ) | |
406 | height = sz.y; | |
407 | else | |
408 | height = heightOld; | |
409 | } | |
410 | ||
411 | wxControl::DoSetSize( x_offset, y_offset, width, height, wxSIZE_AUTO ); | |
412 | ||
413 | // arrange radio buttons | |
414 | int x_start, y_start; | |
415 | ||
416 | x_start = 0; | |
417 | y_start = 0; | |
418 | ||
419 | x_offset = x_start; | |
420 | y_offset = y_start; | |
421 | ||
422 | current = m_radioButtonCycle; | |
423 | for (i = 0 ; i < (int)m_noItems; i++) | |
424 | { | |
425 | // not to do for the zero button! | |
426 | if ((i > 0) && ((i % GetMajorDim()) == 0)) | |
427 | { | |
428 | if (m_windowStyle & wxRA_SPECIFY_ROWS) | |
429 | { | |
430 | x_offset += maxWidth + charWidth; | |
431 | y_offset = y_start; | |
432 | } | |
433 | else | |
434 | { | |
435 | x_offset = x_start; | |
436 | y_offset += maxHeight ; //+ charHeight / 2 | |
437 | } | |
438 | } | |
439 | ||
440 | current->SetSize( x_offset, y_offset, eachWidth[i], eachHeight[i]); | |
441 | current = current->NextInCycle(); | |
442 | ||
443 | if (m_windowStyle & wxRA_SPECIFY_ROWS) | |
444 | y_offset += maxHeight ; // + charHeight / 2 | |
445 | else | |
446 | x_offset += maxWidth + charWidth; | |
447 | } | |
448 | } | |
449 | ||
450 | wxSize wxRadioBox::DoGetBestSize() const | |
451 | { | |
452 | int charWidth, charHeight; | |
453 | int maxWidth, maxHeight; | |
454 | int eachWidth, eachHeight; | |
455 | int totWidth, totHeight; | |
456 | ||
457 | wxFont font = GetFont(); // GetParent()->GetFont() | |
458 | GetTextExtent( | |
459 | wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), | |
460 | &charWidth, &charHeight, NULL, NULL, &font ); | |
461 | ||
462 | charWidth /= 52; | |
463 | ||
464 | maxWidth = -1; | |
465 | maxHeight = -1; | |
466 | ||
467 | for (unsigned int i = 0 ; i < m_noItems; i++) | |
468 | { | |
469 | GetTextExtent(GetString(i), &eachWidth, &eachHeight, NULL, NULL, &font ); | |
470 | eachWidth = (int)(eachWidth + RADIO_SIZE); | |
471 | eachHeight = (int)((3 * eachHeight) / 2); | |
472 | if (maxWidth < eachWidth) | |
473 | maxWidth = eachWidth; | |
474 | if (maxHeight < eachHeight) | |
475 | maxHeight = eachHeight; | |
476 | } | |
477 | ||
478 | totHeight = GetRowCount() * maxHeight; | |
479 | totWidth = GetColumnCount() * (maxWidth + charWidth); | |
480 | ||
481 | wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) ); | |
482 | totWidth = sz.x; | |
483 | totHeight = sz.y; | |
484 | ||
485 | // handle radio box title as well | |
486 | GetTextExtent( GetLabel(), &eachWidth, NULL ); | |
487 | eachWidth = (int)(eachWidth + RADIO_SIZE) + 3 * charWidth; | |
488 | if (totWidth < eachWidth) | |
489 | totWidth = eachWidth; | |
490 | ||
491 | return wxSize( totWidth, totHeight ); | |
492 | } | |
493 | ||
494 | #endif // wxUSE_RADIOBOX |