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