| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: cursor.cpp |
| 3 | // Purpose: wxCursor 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 | #ifdef __GNUG__ |
| 13 | #pragma implementation "cursor.h" |
| 14 | #endif |
| 15 | |
| 16 | #include "wx/defs.h" |
| 17 | |
| 18 | #include "wx/app.h" |
| 19 | #include "wx/cursor.h" |
| 20 | #include "wx/icon.h" |
| 21 | #include "wx/image.h" |
| 22 | #include "wx/xpmdecod.h" |
| 23 | |
| 24 | #include "wx/mac/private.h" |
| 25 | |
| 26 | #if !USE_SHARED_LIBRARIES |
| 27 | IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxBitmap) |
| 28 | #endif |
| 29 | |
| 30 | const short kwxCursorBullseye = 10 ; |
| 31 | const short kwxCursorBlank = 11 ; |
| 32 | const short kwxCursorPencil = 12 ; |
| 33 | const short kwxCursorMagnifier = 13 ; |
| 34 | const short kwxCursorNoEntry = 14 ; |
| 35 | const short kwxCursorPaintBrush = 15 ; |
| 36 | const short kwxCursorPointRight = 16 ; |
| 37 | const short kwxCursorPointLeft = 17 ; |
| 38 | const short kwxCursorQuestionArrow = 18 ; |
| 39 | const short kwxCursorRightArrow = 19 ; |
| 40 | const short kwxCursorSizeNS = 20 ; |
| 41 | const short kwxCursorSize = 21 ; |
| 42 | const short kwxCursorSizeNESW = 22 ; |
| 43 | const short kwxCursorSizeNWSE = 23 ; |
| 44 | const short kwxCursorRoller = 24 ; |
| 45 | |
| 46 | wxCursor gMacCurrentCursor ; |
| 47 | |
| 48 | wxCursorRefData::wxCursorRefData() |
| 49 | { |
| 50 | m_width = 16; |
| 51 | m_height = 16; |
| 52 | m_hCursor = NULL ; |
| 53 | m_disposeHandle = false ; |
| 54 | m_releaseHandle = false ; |
| 55 | m_isColorCursor = false ; |
| 56 | m_themeCursor = -1 ; |
| 57 | } |
| 58 | |
| 59 | wxCursorRefData::~wxCursorRefData() |
| 60 | { |
| 61 | if ( m_isColorCursor ) |
| 62 | { |
| 63 | ::DisposeCCursor( (CCrsrHandle) m_hCursor ) ; |
| 64 | } |
| 65 | else if ( m_disposeHandle ) |
| 66 | { |
| 67 | ::DisposeHandle( (Handle ) m_hCursor ) ; |
| 68 | } |
| 69 | else if ( m_releaseHandle ) |
| 70 | { |
| 71 | // we don't release the resource since it may already |
| 72 | // be in use again |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | // Cursors |
| 77 | wxCursor::wxCursor() |
| 78 | { |
| 79 | } |
| 80 | |
| 81 | wxCursor::wxCursor(const char WXUNUSED(bits)[], int WXUNUSED(width), int WXUNUSED(height), |
| 82 | int WXUNUSED(hotSpotX), int WXUNUSED(hotSpotY), const char WXUNUSED(maskBits)[]) |
| 83 | { |
| 84 | } |
| 85 | |
| 86 | wxCursor::wxCursor( const wxImage &image ) |
| 87 | { |
| 88 | CreateFromImage( image ) ; |
| 89 | } |
| 90 | |
| 91 | wxCursor::wxCursor(const char **bits) |
| 92 | { |
| 93 | (void) CreateFromXpm(bits); |
| 94 | } |
| 95 | |
| 96 | wxCursor::wxCursor(char **bits) |
| 97 | { |
| 98 | (void) CreateFromXpm((const char **)bits); |
| 99 | } |
| 100 | |
| 101 | bool wxCursor::CreateFromXpm(const char **bits) |
| 102 | { |
| 103 | wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid cursor data") ) |
| 104 | wxXPMDecoder decoder; |
| 105 | wxImage img = decoder.ReadData(bits); |
| 106 | wxCHECK_MSG( img.Ok(), FALSE, wxT("invalid cursor data") ) |
| 107 | CreateFromImage( img ) ; |
| 108 | return TRUE; |
| 109 | } |
| 110 | |
| 111 | short GetCTabIndex( CTabHandle colors , RGBColor *col ) |
| 112 | { |
| 113 | short retval = 0 ; |
| 114 | unsigned long bestdiff = 0xFFFF ; |
| 115 | for ( int i = 0 ; i < (**colors).ctSize ; ++i ) |
| 116 | { |
| 117 | unsigned long diff = abs(col->red - (**colors).ctTable[i].rgb.red ) + |
| 118 | abs(col->green - (**colors).ctTable[i].rgb.green ) + |
| 119 | abs(col->blue - (**colors).ctTable[i].rgb.blue ) ; |
| 120 | if ( diff < bestdiff ) |
| 121 | { |
| 122 | bestdiff = diff ; |
| 123 | retval = (**colors).ctTable[i].value ; |
| 124 | } |
| 125 | } |
| 126 | return retval ; |
| 127 | } |
| 128 | |
| 129 | void wxCursor::CreateFromImage(const wxImage & image) |
| 130 | { |
| 131 | m_refData = new wxCursorRefData; |
| 132 | |
| 133 | wxImage image16 = image.Scale(16,16) ; |
| 134 | unsigned char * rgbBits = image16.GetData(); |
| 135 | |
| 136 | |
| 137 | int w = image16.GetWidth() ; |
| 138 | int h = image16.GetHeight() ; |
| 139 | bool bHasMask = image16.HasMask() ; |
| 140 | |
| 141 | int hotSpotX = image16.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X); |
| 142 | int hotSpotY = image16.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y); |
| 143 | if (hotSpotX < 0 || hotSpotX >= w) |
| 144 | hotSpotX = 0; |
| 145 | if (hotSpotY < 0 || hotSpotY >= h) |
| 146 | hotSpotY = 0; |
| 147 | |
| 148 | #if 0 |
| 149 | // monochrome implementation |
| 150 | M_CURSORDATA->m_hCursor = NewHandle( sizeof( Cursor ) ) ; |
| 151 | M_CURSORDATA->m_disposeHandle = true ; |
| 152 | HLock( (Handle) M_CURSORDATA->m_hCursor ) ; |
| 153 | CursPtr cp = *(CursHandle)M_CURSORDATA->m_hCursor ; |
| 154 | memset( cp->data , 0 , sizeof( Bits16 ) ) ; |
| 155 | memset( cp->mask , 0 , sizeof( Bits16 ) ) ; |
| 156 | |
| 157 | unsigned char mr = image16.GetMaskRed() ; |
| 158 | unsigned char mg = image16.GetMaskGreen() ; |
| 159 | unsigned char mb = image16.GetMaskBlue() ; |
| 160 | for ( int y = 0 ; y < h ; ++y ) |
| 161 | { |
| 162 | short rowbits = 0 ; |
| 163 | short maskbits = 0 ; |
| 164 | |
| 165 | for ( int x = 0 ; x < w ; ++x ) |
| 166 | { |
| 167 | long pos = (y * w + x) * 3; |
| 168 | |
| 169 | unsigned char r = rgbBits[pos] ; |
| 170 | unsigned char g = rgbBits[pos+1] ; |
| 171 | unsigned char b = rgbBits[pos+2] ; |
| 172 | if ( bHasMask && r==mr && g==mg && b==mb ) |
| 173 | { |
| 174 | // masked area, does not appear anywhere |
| 175 | } |
| 176 | else |
| 177 | { |
| 178 | if ( (int)r + (int)g + (int)b < 0x0200 ) |
| 179 | { |
| 180 | rowbits |= ( 1 << (15-x) ) ; |
| 181 | } |
| 182 | maskbits |= ( 1 << (15-x) ) ; |
| 183 | } |
| 184 | } |
| 185 | cp->data[y] = rowbits ; |
| 186 | cp->mask[y] = maskbits ; |
| 187 | } |
| 188 | if ( !bHasMask ) |
| 189 | { |
| 190 | memcpy( cp->mask , cp->data , sizeof( Bits16) ) ; |
| 191 | } |
| 192 | cp->hotSpot.h = hotSpotX ; |
| 193 | cp->hotSpot.v = hotSpotY ; |
| 194 | HUnlock( (Handle) M_CURSORDATA->m_hCursor ) ; |
| 195 | #else |
| 196 | PixMapHandle pm = (PixMapHandle) NewHandleClear( sizeof (PixMap)) ; |
| 197 | short extent = 16 ; |
| 198 | short bytesPerPixel = 1 ; |
| 199 | short depth = 8 ; |
| 200 | Rect bounds = { 0 , 0 , extent , extent } ; |
| 201 | CCrsrHandle ch = (CCrsrHandle) NewHandleClear ( sizeof( CCrsr ) ) ; |
| 202 | CTabHandle newColors = GetCTable( 8 ) ; |
| 203 | HandToHand((Handle *) &newColors); |
| 204 | // set the values to the indices |
| 205 | for ( int i = 0 ; i < (**newColors).ctSize ; ++i ) |
| 206 | { |
| 207 | (**newColors).ctTable[i].value = i ; |
| 208 | } |
| 209 | HLock( (Handle) ch) ; |
| 210 | (**ch).crsrType = 0x8001 ; // color cursors |
| 211 | (**ch).crsrMap = pm ; |
| 212 | short bytesPerRow = bytesPerPixel * extent ; |
| 213 | |
| 214 | (**pm).baseAddr = 0; |
| 215 | (**pm).rowBytes = bytesPerRow | 0x8000; |
| 216 | (**pm).bounds = bounds; |
| 217 | (**pm).pmVersion = 0; |
| 218 | (**pm).packType = 0; |
| 219 | (**pm).packSize = 0; |
| 220 | (**pm).hRes = 0x00480000; /* 72 DPI default res */ |
| 221 | (**pm).vRes = 0x00480000; /* 72 DPI default res */ |
| 222 | (**pm).pixelSize = depth; |
| 223 | (**pm).pixelType = 0; |
| 224 | (**pm).cmpCount = 1; |
| 225 | (**pm).cmpSize = depth; |
| 226 | (**pm).pmTable = newColors; |
| 227 | |
| 228 | (**ch).crsrData = NewHandleClear( extent * bytesPerRow ) ; |
| 229 | (**ch).crsrXData = NULL ; |
| 230 | (**ch).crsrXValid = 0; |
| 231 | (**ch).crsrXHandle = NULL; |
| 232 | |
| 233 | (**ch).crsrHotSpot.h = hotSpotX ; |
| 234 | (**ch).crsrHotSpot.v = hotSpotY ; |
| 235 | (**ch).crsrXTable = NULL ; |
| 236 | (**ch).crsrID = GetCTSeed() ; |
| 237 | |
| 238 | memset( (**ch).crsr1Data , 0 , sizeof( Bits16 ) ) ; |
| 239 | memset( (**ch).crsrMask , 0 , sizeof( Bits16 ) ) ; |
| 240 | |
| 241 | unsigned char mr = image16.GetMaskRed() ; |
| 242 | unsigned char mg = image16.GetMaskGreen() ; |
| 243 | unsigned char mb = image16.GetMaskBlue() ; |
| 244 | for ( int y = 0 ; y < h ; ++y ) |
| 245 | { |
| 246 | short rowbits = 0 ; |
| 247 | short maskbits = 0 ; |
| 248 | |
| 249 | for ( int x = 0 ; x < w ; ++x ) |
| 250 | { |
| 251 | long pos = (y * w + x) * 3; |
| 252 | |
| 253 | unsigned char r = rgbBits[pos] ; |
| 254 | unsigned char g = rgbBits[pos+1] ; |
| 255 | unsigned char b = rgbBits[pos+2] ; |
| 256 | RGBColor col = { 0xFFFF ,0xFFFF, 0xFFFF } ; |
| 257 | |
| 258 | if ( bHasMask && r==mr && g==mg && b==mb ) |
| 259 | { |
| 260 | // masked area, does not appear anywhere |
| 261 | } |
| 262 | else |
| 263 | { |
| 264 | if ( (int)r + (int)g + (int)b < 0x0200 ) |
| 265 | { |
| 266 | rowbits |= ( 1 << (15-x) ) ; |
| 267 | } |
| 268 | maskbits |= ( 1 << (15-x) ) ; |
| 269 | |
| 270 | col = *((RGBColor*) wxColor( r , g , b ).GetPixel()) ; |
| 271 | } |
| 272 | *((*(**ch).crsrData) + y * bytesPerRow + x) = |
| 273 | GetCTabIndex( newColors , &col) ; |
| 274 | } |
| 275 | (**ch).crsr1Data[y] = rowbits ; |
| 276 | (**ch).crsrMask[y] = maskbits ; |
| 277 | } |
| 278 | if ( !bHasMask ) |
| 279 | { |
| 280 | memcpy( (**ch).crsrMask , (**ch).crsr1Data , sizeof( Bits16) ) ; |
| 281 | } |
| 282 | |
| 283 | HUnlock((Handle) ch) ; |
| 284 | M_CURSORDATA->m_hCursor = ch ; |
| 285 | M_CURSORDATA->m_isColorCursor = true ; |
| 286 | #endif |
| 287 | } |
| 288 | |
| 289 | wxCursor::wxCursor(const wxString& cursor_file, long flags, int hotSpotX, int hotSpotY) |
| 290 | { |
| 291 | m_refData = new wxCursorRefData; |
| 292 | if ( flags == wxBITMAP_TYPE_MACCURSOR_RESOURCE ) |
| 293 | { |
| 294 | Str255 theName ; |
| 295 | wxMacStringToPascal( cursor_file , theName ) ; |
| 296 | |
| 297 | wxStAppResource resload ; |
| 298 | Handle resHandle = ::GetNamedResource( 'crsr' , theName ) ; |
| 299 | if ( resHandle ) |
| 300 | { |
| 301 | short theId = -1 ; |
| 302 | OSType theType ; |
| 303 | GetResInfo( resHandle , &theId , &theType , theName ) ; |
| 304 | ReleaseResource( resHandle ) ; |
| 305 | M_CURSORDATA->m_hCursor = GetCCursor( theId ) ; |
| 306 | if ( M_CURSORDATA->m_hCursor ) |
| 307 | M_CURSORDATA->m_isColorCursor = true ; |
| 308 | } |
| 309 | else |
| 310 | { |
| 311 | Handle resHandle = ::GetNamedResource( 'CURS' , theName ) ; |
| 312 | if ( resHandle ) |
| 313 | { |
| 314 | short theId = -1 ; |
| 315 | OSType theType ; |
| 316 | GetResInfo( resHandle , &theId , &theType , theName ) ; |
| 317 | ReleaseResource( resHandle ) ; |
| 318 | M_CURSORDATA->m_hCursor = GetCursor( theId ) ; |
| 319 | if ( M_CURSORDATA->m_hCursor ) |
| 320 | M_CURSORDATA->m_releaseHandle = true ; |
| 321 | } |
| 322 | } |
| 323 | } |
| 324 | else |
| 325 | { |
| 326 | wxImage image ; |
| 327 | image.LoadFile( cursor_file , flags ) ; |
| 328 | if( image.Ok() ) |
| 329 | { |
| 330 | image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X,hotSpotX ) ; |
| 331 | image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y,hotSpotY ) ; |
| 332 | delete m_refData ; |
| 333 | CreateFromImage(image) ; |
| 334 | } |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | // Cursors by stock number |
| 339 | wxCursor::wxCursor(int cursor_type) |
| 340 | { |
| 341 | m_refData = new wxCursorRefData; |
| 342 | |
| 343 | switch (cursor_type) |
| 344 | { |
| 345 | case wxCURSOR_COPY_ARROW: |
| 346 | M_CURSORDATA->m_themeCursor = kThemeCopyArrowCursor ; |
| 347 | break; |
| 348 | case wxCURSOR_WAIT: |
| 349 | M_CURSORDATA->m_themeCursor = kThemeWatchCursor ; |
| 350 | break; |
| 351 | case wxCURSOR_IBEAM: |
| 352 | M_CURSORDATA->m_themeCursor = kThemeIBeamCursor ; |
| 353 | break; |
| 354 | case wxCURSOR_CROSS: |
| 355 | M_CURSORDATA->m_themeCursor = kThemeCrossCursor; |
| 356 | break; |
| 357 | case wxCURSOR_SIZENWSE: |
| 358 | { |
| 359 | wxStAppResource resload ; |
| 360 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorSizeNWSE); |
| 361 | } |
| 362 | break; |
| 363 | case wxCURSOR_SIZENESW: |
| 364 | { |
| 365 | wxStAppResource resload ; |
| 366 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorSizeNESW); |
| 367 | } |
| 368 | break; |
| 369 | case wxCURSOR_SIZEWE: |
| 370 | { |
| 371 | M_CURSORDATA->m_themeCursor = kThemeResizeLeftRightCursor; |
| 372 | } |
| 373 | break; |
| 374 | case wxCURSOR_SIZENS: |
| 375 | { |
| 376 | wxStAppResource resload ; |
| 377 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorSizeNS); |
| 378 | } |
| 379 | break; |
| 380 | case wxCURSOR_SIZING: |
| 381 | { |
| 382 | wxStAppResource resload ; |
| 383 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorSize); |
| 384 | } |
| 385 | break; |
| 386 | case wxCURSOR_HAND: |
| 387 | { |
| 388 | M_CURSORDATA->m_themeCursor = kThemePointingHandCursor; |
| 389 | } |
| 390 | break; |
| 391 | case wxCURSOR_BULLSEYE: |
| 392 | { |
| 393 | wxStAppResource resload ; |
| 394 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorBullseye); |
| 395 | } |
| 396 | break; |
| 397 | case wxCURSOR_PENCIL: |
| 398 | { |
| 399 | wxStAppResource resload ; |
| 400 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorPencil); |
| 401 | } |
| 402 | break; |
| 403 | case wxCURSOR_MAGNIFIER: |
| 404 | { |
| 405 | wxStAppResource resload ; |
| 406 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorMagnifier); |
| 407 | } |
| 408 | break; |
| 409 | case wxCURSOR_NO_ENTRY: |
| 410 | { |
| 411 | wxStAppResource resload ; |
| 412 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorNoEntry); |
| 413 | } |
| 414 | break; |
| 415 | case wxCURSOR_WATCH: |
| 416 | { |
| 417 | M_CURSORDATA->m_themeCursor = kThemeWatchCursor; |
| 418 | break; |
| 419 | } |
| 420 | case wxCURSOR_PAINT_BRUSH: |
| 421 | { |
| 422 | wxStAppResource resload ; |
| 423 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorPaintBrush); |
| 424 | break; |
| 425 | } |
| 426 | case wxCURSOR_POINT_LEFT: |
| 427 | { |
| 428 | wxStAppResource resload ; |
| 429 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorPointLeft); |
| 430 | break; |
| 431 | } |
| 432 | case wxCURSOR_POINT_RIGHT: |
| 433 | { |
| 434 | wxStAppResource resload ; |
| 435 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorPointRight); |
| 436 | break; |
| 437 | } |
| 438 | case wxCURSOR_QUESTION_ARROW: |
| 439 | { |
| 440 | wxStAppResource resload ; |
| 441 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorQuestionArrow); |
| 442 | break; |
| 443 | } |
| 444 | case wxCURSOR_BLANK: |
| 445 | { |
| 446 | wxStAppResource resload ; |
| 447 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorBlank); |
| 448 | break; |
| 449 | } |
| 450 | case wxCURSOR_RIGHT_ARROW: |
| 451 | { |
| 452 | wxStAppResource resload ; |
| 453 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorRightArrow); |
| 454 | break; |
| 455 | } |
| 456 | case wxCURSOR_SPRAYCAN: |
| 457 | { |
| 458 | wxStAppResource resload ; |
| 459 | M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorRoller); |
| 460 | break; |
| 461 | } |
| 462 | case wxCURSOR_CHAR: |
| 463 | case wxCURSOR_ARROW: |
| 464 | case wxCURSOR_LEFT_BUTTON: |
| 465 | case wxCURSOR_RIGHT_BUTTON: |
| 466 | case wxCURSOR_MIDDLE_BUTTON: |
| 467 | default: |
| 468 | M_CURSORDATA->m_themeCursor = kThemeArrowCursor ; |
| 469 | break; |
| 470 | } |
| 471 | if ( M_CURSORDATA->m_themeCursor == -1 ) |
| 472 | M_CURSORDATA->m_releaseHandle = true ; |
| 473 | } |
| 474 | |
| 475 | void wxCursor::MacInstall() const |
| 476 | { |
| 477 | gMacCurrentCursor = *this ; |
| 478 | if ( m_refData && M_CURSORDATA->m_themeCursor != -1 ) |
| 479 | { |
| 480 | SetThemeCursor( M_CURSORDATA->m_themeCursor ) ; |
| 481 | } |
| 482 | else if ( m_refData && M_CURSORDATA->m_hCursor ) |
| 483 | { |
| 484 | if ( M_CURSORDATA->m_isColorCursor ) |
| 485 | ::SetCCursor( (CCrsrHandle) M_CURSORDATA->m_hCursor ) ; |
| 486 | else |
| 487 | ::SetCursor( * (CursHandle) M_CURSORDATA->m_hCursor ) ; |
| 488 | } |
| 489 | else |
| 490 | { |
| 491 | SetThemeCursor( kThemeArrowCursor ) ; |
| 492 | } |
| 493 | } |
| 494 | |
| 495 | wxCursor::~wxCursor() |
| 496 | { |
| 497 | } |
| 498 | |
| 499 | // Global cursor setting |
| 500 | void wxSetCursor(const wxCursor& cursor) |
| 501 | { |
| 502 | cursor.MacInstall() ; |
| 503 | } |
| 504 | |
| 505 | |