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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: checklst.cpp | |
3 | // Purpose: implementation of wxCheckListBox class | |
4 | // Author: Stefan Csomor | |
5 | // Modified by: | |
6 | // Created: 1998-01-01 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Stefan Csomor | |
9 | // Licence: wxWindows licence | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // headers & declarations | |
14 | // ============================================================================ | |
15 | ||
16 | #ifdef __GNUG__ | |
17 | #pragma implementation "checklst.h" | |
18 | #endif | |
19 | ||
20 | #include "wx/defs.h" | |
21 | ||
22 | #if wxUSE_CHECKLISTBOX | |
23 | ||
24 | #include "wx/checklst.h" | |
25 | #include "wx/arrstr.h" | |
26 | ||
27 | #include "wx/mac/uma.h" | |
28 | #include <Appearance.h> | |
29 | ||
30 | // ============================================================================ | |
31 | // implementation of wxCheckListBox | |
32 | // ============================================================================ | |
33 | ||
34 | IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox) | |
35 | ||
36 | const short kwxMacListWithVerticalScrollbar = 128 ; | |
37 | const short kwxMacListItemHeight = 14 ; | |
38 | const short kwxMacListCheckboxWidth = 14 ; | |
39 | ||
40 | #if PRAGMA_STRUCT_ALIGN | |
41 | #pragma options align=mac68k | |
42 | #elif PRAGMA_STRUCT_PACKPUSH | |
43 | #pragma pack(push, 2) | |
44 | #elif PRAGMA_STRUCT_PACK | |
45 | #pragma pack(2) | |
46 | #endif | |
47 | ||
48 | typedef struct { | |
49 | unsigned short instruction; | |
50 | void (*function)(); | |
51 | } ldefRec, *ldefPtr, **ldefHandle; | |
52 | ||
53 | #if PRAGMA_STRUCT_ALIGN | |
54 | #pragma options align=reset | |
55 | #elif PRAGMA_STRUCT_PACKPUSH | |
56 | #pragma pack(pop) | |
57 | #elif PRAGMA_STRUCT_PACK | |
58 | #pragma pack() | |
59 | #endif | |
60 | ||
61 | extern "C" | |
62 | { | |
63 | static pascal void wxMacCheckListDefinition( short message, Boolean isSelected, Rect *drawRect, | |
64 | Cell cell, short dataOffset, short dataLength, | |
65 | ListHandle listHandle ) ; | |
66 | } | |
67 | ||
68 | static pascal void wxMacCheckListDefinition( short message, Boolean isSelected, Rect *drawRect, | |
69 | Cell cell, short dataOffset, short dataLength, | |
70 | ListHandle listHandle ) | |
71 | { | |
72 | wxCheckListBox* list; | |
73 | list = (wxCheckListBox*) GetControlReference( (ControlHandle) GetListRefCon(listHandle) ); | |
74 | if ( list == NULL ) | |
75 | return ; | |
76 | ||
77 | GrafPtr savePort; | |
78 | GrafPtr grafPtr; | |
79 | RgnHandle savedClipRegion; | |
80 | SInt32 savedPenMode; | |
81 | GetPort(&savePort); | |
82 | SetPort((**listHandle).port); | |
83 | grafPtr = (**listHandle).port ; | |
84 | // typecast our refCon | |
85 | ||
86 | // Calculate the cell rect. | |
87 | ||
88 | switch( message ) { | |
89 | case lInitMsg: | |
90 | break; | |
91 | ||
92 | case lCloseMsg: | |
93 | break; | |
94 | ||
95 | case lDrawMsg: | |
96 | { | |
97 | const wxString text = list->m_stringArray[cell.v] ; | |
98 | int checked = list->m_checks[cell.v] ; | |
99 | ||
100 | // Save the current clip region, and set the clip region to the area we are about | |
101 | // to draw. | |
102 | ||
103 | savedClipRegion = NewRgn(); | |
104 | GetClip( savedClipRegion ); | |
105 | ||
106 | ClipRect( drawRect ); | |
107 | EraseRect( drawRect ); | |
108 | ||
109 | const wxFont& font = list->GetFont(); | |
110 | if ( font.Ok() ) | |
111 | { | |
112 | ::TextFont( font.GetMacFontNum() ) ; | |
113 | ::TextSize( font.GetMacFontSize()) ; | |
114 | ::TextFace( font.GetMacFontStyle() ) ; | |
115 | } | |
116 | ||
117 | ThemeButtonDrawInfo info ; | |
118 | info.state = kThemeStateActive ; | |
119 | info.value = checked ? kThemeButtonOn : kThemeButtonOff ; | |
120 | info.adornment = kThemeAdornmentNone ; | |
121 | Rect checkRect = *drawRect ; | |
122 | ||
123 | ||
124 | checkRect.left +=0 ; | |
125 | checkRect.top +=0 ; | |
126 | checkRect.right = checkRect.left + list->m_checkBoxWidth ; | |
127 | checkRect.bottom = checkRect.top + list->m_checkBoxHeight ; | |
128 | DrawThemeButton(&checkRect,kThemeCheckBox, | |
129 | &info,NULL,NULL, NULL,0); | |
130 | ||
131 | MoveTo(drawRect->left + 2 + list->m_checkBoxWidth+2, drawRect->top + list->m_TextBaseLineOffset ); | |
132 | ||
133 | DrawText(text, 0 , text.Length()); | |
134 | // If the cell is hilited, do the hilite now. Paint the cell contents with the | |
135 | // appropriate QuickDraw transform mode. | |
136 | ||
137 | if( isSelected ) { | |
138 | savedPenMode = GetPortPenMode( (CGrafPtr) grafPtr ); | |
139 | SetPortPenMode( (CGrafPtr) grafPtr, hilitetransfermode ); | |
140 | PaintRect( drawRect ); | |
141 | SetPortPenMode( (CGrafPtr) grafPtr, savedPenMode ); | |
142 | } | |
143 | ||
144 | // Restore the saved clip region. | |
145 | ||
146 | SetClip( savedClipRegion ); | |
147 | DisposeRgn( savedClipRegion ); | |
148 | } | |
149 | break; | |
150 | case lHiliteMsg: | |
151 | ||
152 | // Hilite or unhilite the cell. Paint the cell contents with the | |
153 | // appropriate QuickDraw transform mode. | |
154 | ||
155 | GetPort( &grafPtr ); | |
156 | savedPenMode = GetPortPenMode( (CGrafPtr) grafPtr ); | |
157 | SetPortPenMode( (CGrafPtr) grafPtr, hilitetransfermode ); | |
158 | PaintRect( drawRect ); | |
159 | SetPortPenMode( (CGrafPtr) grafPtr, savedPenMode ); | |
160 | break; | |
161 | default : | |
162 | break ; | |
163 | } | |
164 | SetPort(savePort); | |
165 | } | |
166 | ||
167 | extern "C" void MacDrawStringCell(Rect *cellRect, Cell lCell, ListHandle theList, long refCon) ; | |
168 | ||
169 | static ListDefUPP macCheckListDefUPP = NULL ; | |
170 | ||
171 | // ---------------------------------------------------------------------------- | |
172 | // creation | |
173 | // ---------------------------------------------------------------------------- | |
174 | ||
175 | void wxCheckListBox::Init() | |
176 | { | |
177 | } | |
178 | ||
179 | bool wxCheckListBox::Create(wxWindow *parent, | |
180 | wxWindowID id, | |
181 | const wxPoint &pos, | |
182 | const wxSize &size, | |
183 | const wxArrayString& choices, | |
184 | long style, | |
185 | const wxValidator& validator, | |
186 | const wxString &name) | |
187 | { | |
188 | wxCArrayString chs(choices); | |
189 | ||
190 | return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(), | |
191 | style, validator, name); | |
192 | } | |
193 | ||
194 | bool wxCheckListBox::Create(wxWindow *parent, | |
195 | wxWindowID id, | |
196 | const wxPoint &pos, | |
197 | const wxSize &size, | |
198 | int n, | |
199 | const wxString choices[], | |
200 | long style, | |
201 | const wxValidator& validator, | |
202 | const wxString &name) | |
203 | { | |
204 | if ( !wxCheckListBoxBase::Create(parent, id, pos, size, | |
205 | n, choices, style, validator, name) ) | |
206 | return false; | |
207 | ||
208 | m_noItems = 0 ; // this will be increased by our append command | |
209 | m_selected = 0; | |
210 | ||
211 | m_checkBoxWidth = 12; | |
212 | m_checkBoxHeight= 10; | |
213 | ||
214 | long h = m_checkBoxHeight ; | |
215 | #if TARGET_CARBON | |
216 | GetThemeMetric(kThemeMetricCheckBoxWidth,(long *)&m_checkBoxWidth); | |
217 | GetThemeMetric(kThemeMetricCheckBoxHeight,&h); | |
218 | #endif | |
219 | ||
220 | const wxFont& font = GetFont(); | |
221 | ||
222 | FontInfo finfo; | |
223 | FetchFontInfo(font.GetMacFontNum(),font.GetMacFontSize(),font.GetMacFontStyle(),&finfo); | |
224 | ||
225 | m_TextBaseLineOffset= finfo.leading+finfo.ascent; | |
226 | m_checkBoxHeight= finfo.leading+finfo.ascent+finfo.descent; | |
227 | ||
228 | if (m_checkBoxHeight<h) | |
229 | { | |
230 | m_TextBaseLineOffset+= (h-m_checkBoxHeight)/2; | |
231 | m_checkBoxHeight= h; | |
232 | } | |
233 | ||
234 | Rect bounds ; | |
235 | Str255 title ; | |
236 | ||
237 | MacPreControlCreate( parent , id , wxEmptyString , pos , size ,style, validator , name , &bounds , title ) ; | |
238 | ||
239 | ListDefSpec listDef; | |
240 | listDef.defType = kListDefUserProcType; | |
241 | if ( macCheckListDefUPP == NULL ) | |
242 | { | |
243 | macCheckListDefUPP = NewListDefUPP( wxMacCheckListDefinition ); | |
244 | } | |
245 | listDef.u.userProc = macCheckListDefUPP ; | |
246 | ||
247 | #if TARGET_CARBON | |
248 | Size asize; | |
249 | ||
250 | ||
251 | CreateListBoxControl( MAC_WXHWND(parent->MacGetRootWindow()), &bounds, false, 0, 1, false, true, | |
252 | m_checkBoxHeight+2, 14, false, &listDef, (ControlRef *)&m_macControl ); | |
253 | ||
254 | GetControlData( (ControlHandle) m_macControl, kControlNoPart, kControlListBoxListHandleTag, | |
255 | sizeof(ListHandle), (Ptr) &m_macList, &asize); | |
256 | ||
257 | SetControlReference( (ControlHandle) m_macControl, (long) this); | |
258 | SetControlVisibility( (ControlHandle) m_macControl, false, false); | |
259 | ||
260 | #else | |
261 | ||
262 | long result ; | |
263 | ||
264 | wxStAppResource resload ; | |
265 | m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , | |
266 | kwxMacListWithVerticalScrollbar , 0 , 0, | |
267 | kControlListBoxProc , (long) this ) ; | |
268 | ::GetControlData( (ControlHandle) m_macControl , kControlNoPart , kControlListBoxListHandleTag , | |
269 | sizeof( ListHandle ) , (char*) &m_macList , &result ) ; | |
270 | ||
271 | HLock( (Handle) m_macList ) ; | |
272 | ldefHandle ldef ; | |
273 | ldef = (ldefHandle) NewHandle( sizeof(ldefRec) ) ; | |
274 | if ( (**(ListHandle)m_macList).listDefProc != NULL ) | |
275 | { | |
276 | (**ldef).instruction = 0x4EF9; /* JMP instruction */ | |
277 | (**ldef).function = (void(*)()) listDef.u.userProc; | |
278 | (**(ListHandle)m_macList).listDefProc = (Handle) ldef ; | |
279 | } | |
280 | ||
281 | Point pt = (**(ListHandle)m_macList).cellSize ; | |
282 | pt.v = 14 ; | |
283 | LCellSize( pt , (ListHandle)m_macList ) ; | |
284 | LAddColumn( 1 , 0 , (ListHandle)m_macList ) ; | |
285 | #endif | |
286 | OptionBits options = 0; | |
287 | if ( style & wxLB_MULTIPLE ) | |
288 | { | |
289 | options += lNoExtend ; | |
290 | } | |
291 | else if ( style & wxLB_EXTENDED ) | |
292 | { | |
293 | options += lExtendDrag ; | |
294 | } | |
295 | else | |
296 | { | |
297 | options = (OptionBits) lOnlyOne ; | |
298 | } | |
299 | SetListSelectionFlags((ListHandle)m_macList, options); | |
300 | ||
301 | MacPostControlCreate() ; | |
302 | ||
303 | for ( int i = 0 ; i < n ; i++ ) | |
304 | { | |
305 | Append( choices[i] ) ; | |
306 | } | |
307 | ||
308 | LSetDrawingMode( true , (ListHandle) m_macList ) ; | |
309 | ||
310 | return TRUE; | |
311 | } | |
312 | ||
313 | // ---------------------------------------------------------------------------- | |
314 | // wxCheckListBox functions | |
315 | // ---------------------------------------------------------------------------- | |
316 | ||
317 | bool wxCheckListBox::IsChecked(size_t item) const | |
318 | { | |
319 | wxCHECK_MSG( item < m_checks.GetCount(), FALSE, | |
320 | _T("invalid index in wxCheckListBox::IsChecked") ); | |
321 | ||
322 | return m_checks[item] != 0; | |
323 | } | |
324 | ||
325 | void wxCheckListBox::Check(size_t item, bool check) | |
326 | { | |
327 | wxCHECK_RET( item < m_checks.GetCount(), | |
328 | _T("invalid index in wxCheckListBox::Check") ); | |
329 | ||
330 | // intermediate var is needed to avoid compiler warning with VC++ | |
331 | bool isChecked = m_checks[item] != 0; | |
332 | if ( check != isChecked ) | |
333 | { | |
334 | m_checks[item] = check; | |
335 | ||
336 | MacRedrawControl() ; | |
337 | } | |
338 | } | |
339 | ||
340 | // ---------------------------------------------------------------------------- | |
341 | // methods forwarded to wxListBox | |
342 | // ---------------------------------------------------------------------------- | |
343 | ||
344 | void wxCheckListBox::Delete(int n) | |
345 | { | |
346 | wxCHECK_RET( n < GetCount(), _T("invalid index in wxListBox::Delete") ); | |
347 | ||
348 | wxListBox::Delete(n); | |
349 | ||
350 | m_checks.RemoveAt(n); | |
351 | } | |
352 | ||
353 | int wxCheckListBox::DoAppend(const wxString& item) | |
354 | { | |
355 | LSetDrawingMode( false , (ListHandle) m_macList ) ; | |
356 | int pos = wxListBox::DoAppend(item); | |
357 | ||
358 | // the item is initially unchecked | |
359 | m_checks.Insert(FALSE, pos); | |
360 | LSetDrawingMode( true , (ListHandle) m_macList ) ; | |
361 | ||
362 | return pos; | |
363 | } | |
364 | ||
365 | void wxCheckListBox::DoInsertItems(const wxArrayString& items, int pos) | |
366 | { | |
367 | wxListBox::DoInsertItems(items, pos); | |
368 | ||
369 | size_t count = items.GetCount(); | |
370 | for ( size_t n = 0; n < count; n++ ) | |
371 | { | |
372 | m_checks.Insert(FALSE, pos + n); | |
373 | } | |
374 | } | |
375 | ||
376 | void wxCheckListBox::DoSetItems(const wxArrayString& items, void **clientData) | |
377 | { | |
378 | // call it first as it does DoClear() | |
379 | wxListBox::DoSetItems(items, clientData); | |
380 | ||
381 | size_t count = items.GetCount(); | |
382 | for ( size_t n = 0; n < count; n++ ) | |
383 | { | |
384 | m_checks.Add(FALSE); | |
385 | } | |
386 | } | |
387 | ||
388 | void wxCheckListBox::DoClear() | |
389 | { | |
390 | m_checks.Empty(); | |
391 | } | |
392 | ||
393 | BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox) | |
394 | EVT_CHAR(wxCheckListBox::OnChar) | |
395 | EVT_LEFT_DOWN(wxCheckListBox::OnLeftClick) | |
396 | END_EVENT_TABLE() | |
397 | ||
398 | // this will only work as soon as | |
399 | ||
400 | void wxCheckListBox::OnChar(wxKeyEvent& event) | |
401 | { | |
402 | if ( event.GetKeyCode() == WXK_SPACE ) | |
403 | { | |
404 | int index = GetSelection() ; | |
405 | if ( index >= 0 ) | |
406 | { | |
407 | Check(index, !IsChecked(index) ) ; | |
408 | wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, GetId()); | |
409 | event.SetInt(index); | |
410 | event.SetEventObject(this); | |
411 | GetEventHandler()->ProcessEvent(event); | |
412 | } | |
413 | } | |
414 | else | |
415 | event.Skip(); | |
416 | } | |
417 | ||
418 | void wxCheckListBox::OnLeftClick(wxMouseEvent& event) | |
419 | { | |
420 | // clicking on the item selects it, clicking on the checkmark toggles | |
421 | if ( event.GetX() <= 20 /*check width*/ ) { | |
422 | int lineheight ; | |
423 | int topcell ; | |
424 | #if TARGET_CARBON | |
425 | Point pt ; | |
426 | GetListCellSize( (ListHandle)m_macList , &pt ) ; | |
427 | lineheight = pt.v ; | |
428 | ListBounds visible ; | |
429 | GetListVisibleCells( (ListHandle)m_macList , &visible ) ; | |
430 | topcell = visible.top ; | |
431 | #else | |
432 | lineheight = (**(ListHandle)m_macList).cellSize.v ; | |
433 | topcell = (**(ListHandle)m_macList).visible.top ; | |
434 | #endif | |
435 | size_t nItem = ((size_t)event.GetY()) / lineheight + topcell ; | |
436 | ||
437 | if ( nItem < (size_t)m_noItems ) | |
438 | { | |
439 | Check(nItem, !IsChecked(nItem) ) ; | |
440 | wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, GetId()); | |
441 | event.SetInt(nItem); | |
442 | event.SetEventObject(this); | |
443 | GetEventHandler()->ProcessEvent(event); | |
444 | } | |
445 | //else: it's not an error, just click outside of client zone | |
446 | } | |
447 | else { | |
448 | // implement default behaviour: clicking on the item selects it | |
449 | event.Skip(); | |
450 | } | |
451 | } | |
452 | ||
453 | #endif // wxUSE_CHECKLISTBOX |