src/cocoa/cursor.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        cursor.mm
   3 // Purpose:     wxCursor class for wxCocoa
   4 // Author:      Ryan Norton
   5 // Modified by:
   6 // Created:     2004-10-05
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Ryan Norton
   9 // Licence:     wxWidgets licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "cursor.h"
  14 #endif
  15
  16 #include "wx/wxprec.h"
  17 #ifndef WX_PRECOMP
  18     #include "wx/icon.h"
  19     #include "wx/cursor.h"
  20 #endif //WX_PRECOMP
  21
  22 #import <AppKit/NSCursor.h>
  23 #import <AppKit/NSImage.h>
  24 #include "wx/cocoa/string.h"
  25
  26 IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxBitmap)
  27
  28 typedef struct tagClassicCursor
  29 {
  30     wxUint16 bits[16];
  31     wxUint16 mask[16];
  32     wxInt16 hotspot[2];
  33 }ClassicCursor;
  34
  35 const short kwxCursorBullseye = 0 ;
  36 const short kwxCursorBlank = 1 ;
  37 const short kwxCursorPencil = 2 ;
  38 const short kwxCursorMagnifier = 3 ;
  39 const short kwxCursorNoEntry = 4 ;
  40 const short kwxCursorPaintBrush = 5 ;
  41 const short kwxCursorPointRight = 6 ;
  42 const short kwxCursorPointLeft = 7 ;
  43 const short kwxCursorQuestionArrow = 8 ;
  44 const short kwxCursorRightArrow = 9 ;
  45 const short kwxCursorSizeNS = 10 ;
  46 const short kwxCursorSize = 11 ;
  47 const short kwxCursorSizeNESW = 12 ;
  48 const short kwxCursorSizeNWSE = 13 ;
  49 const short kwxCursorRoller = 14 ;
  50 const short kwxCursorLast = kwxCursorRoller ;
  51
  52 ClassicCursor gMacCursors[kwxCursorLast+1] =
  53 {
  54
  55 {
  56 {0x0000, 0x03E0, 0x0630, 0x0808, 0x1004, 0x31C6, 0x2362, 0x2222,
  57 0x2362, 0x31C6, 0x1004, 0x0808, 0x0630, 0x03E0, 0x0000, 0x0000},
  58 {0x0000, 0x03E0, 0x07F0, 0x0FF8, 0x1FFC, 0x3FFE, 0x3FFE, 0x3FFE,
  59 0x3FFE, 0x3FFE, 0x1FFC, 0x0FF8, 0x07F0, 0x03E0, 0x0000, 0x0000},
  60 {0x0007, 0x0008}
  61 },
  62
  63 {
  64 {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
  65 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
  66 {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
  67 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
  68 {0x0000, 0x0000}
  69 },
  70
  71 {
  72 {0x00F0, 0x0088, 0x0108, 0x0190, 0x0270, 0x0220, 0x0440, 0x0440,
  73 0x0880, 0x0880, 0x1100, 0x1E00, 0x1C00, 0x1800, 0x1000, 0x0000},
  74 {0x00F0, 0x00F8, 0x01F8, 0x01F0, 0x03F0, 0x03E0, 0x07C0, 0x07C0,
  75 0x0F80, 0x0F80, 0x1F00, 0x1E00, 0x1C00, 0x1800, 0x1000, 0x0000},
  76 {0x000E, 0x0003}
  77 },
  78
  79 {
  80 {0x0000, 0x1E00, 0x2100, 0x4080, 0x4080, 0x4080, 0x4080, 0x2180,
  81 0x1FC0, 0x00E0, 0x0070, 0x0038, 0x001C, 0x000E, 0x0006, 0x0000},
  82 {0x3F00, 0x7F80, 0xFFC0, 0xFFC0, 0xFFC0, 0xFFC0, 0xFFC0, 0x7FC0,
  83 0x3FE0, 0x1FF0, 0x00F8, 0x007C, 0x003E, 0x001F, 0x000F, 0x0007},
  84 {0x0004, 0x0004}
  85 },
  86
  87 {
  88 {0x0000, 0x07E0, 0x1FF0, 0x3838, 0x3C0C, 0x6E0E, 0x6706, 0x6386,
  89 0x61C6, 0x60E6, 0x7076, 0x303C, 0x1C1C, 0x0FF8, 0x07E0, 0x0000},
  90 {0x0540, 0x0FF0, 0x3FF8, 0x3C3C, 0x7E0E, 0xFF0F, 0x6F86, 0xE7C7,
  91 0x63E6, 0xE1F7, 0x70FE, 0x707E, 0x3C3C, 0x1FFC, 0x0FF0, 0x0540},
  92 {0x0007, 0x0007}
  93 },
  94
  95 {
  96 {0x0000, 0x0380, 0x0380, 0x0380, 0x0380, 0x0380, 0x0380, 0x0FE0,
  97 0x1FF0, 0x1FF0, 0x0000, 0x1FF0, 0x1FF0, 0x1550, 0x1550, 0x1550},
  98 {0x07C0, 0x07C0, 0x07C0, 0x07C0, 0x07C0, 0x07C0, 0x0FE0, 0x1FF0,
  99 0x3FF8, 0x3FF8, 0x3FF8, 0x3FF8, 0x3FF8, 0x3FF8, 0x3FF8, 0x3FF8},
 100 {0x000B, 0x0007}
 101 },
 102
 103 {
 104 {0x00C0, 0x0140, 0x0640, 0x08C0, 0x3180, 0x47FE, 0x8001, 0x8001,
 105 0x81FE, 0x8040, 0x01C0, 0x0040, 0x03C0, 0xC080, 0x3F80, 0x0000},
 106 {0x00C0, 0x01C0, 0x07C0, 0x0FC0, 0x3F80, 0x7FFE, 0xFFFF, 0xFFFF,
 107 0xFFFE, 0xFFC0, 0xFFC0, 0xFFC0, 0xFFC0, 0xFF80, 0x3F80, 0x0000},
 108 {0x0006, 0x000F}
 109 },
 110
 111 {
 112 {0x0100, 0x0280, 0x0260, 0x0310, 0x018C, 0x7FE3, 0x8000, 0x8000,
 113 0x7F80, 0x0200, 0x0380, 0x0200, 0x03C0, 0x0107, 0x01F8, 0x0000},
 114 {0x0100, 0x0380, 0x03E0, 0x03F0, 0x01FC, 0x7FFF, 0xFFFF, 0xFFFF,
 115 0xFFFF, 0x03FF, 0x03FF, 0x03FF, 0x03FF, 0x01FF, 0x01F8, 0x0000},
 116 {0x0006, 0x0000}
 117 },
 118
 119 {
 120 {0x0000, 0x4078, 0x60FC, 0x71CE, 0x7986, 0x7C06, 0x7E0E, 0x7F1C,
 121 0x7FB8, 0x7C30, 0x6C30, 0x4600, 0x0630, 0x0330, 0x0300, 0x0000},
 122 {0xC078, 0xE0FC, 0xF1FE, 0xFBFF, 0xFFCF, 0xFF8F, 0xFF1F, 0xFFBE,
 123 0xFFFC, 0xFE78, 0xFF78, 0xEFF8, 0xCFF8, 0x87F8, 0x07F8, 0x0300},
 124 {0x0001, 0x0001}
 125 },
 126
 127 {
 128 {0x0000, 0x0002, 0x0006, 0x000E, 0x001E, 0x003E, 0x007E, 0x00FE,
 129 0x01FE, 0x003E, 0x0036, 0x0062, 0x0060, 0x00C0, 0x00C0, 0x0000},
 130 {0x0003, 0x0007, 0x000F, 0x001F, 0x003F, 0x007F, 0x00FF, 0x01FF,
 131 0x03FF, 0x07FF, 0x007F, 0x00F7, 0x00F3, 0x01E1, 0x01E0, 0x01C0},
 132 {0x0001, 0x000E}
 133 },
 134
 135 {
 136 {0x0000, 0x0080, 0x01C0, 0x03E0, 0x0080, 0x0080, 0x0080, 0x1FFC,
 137 0x1FFC, 0x0080, 0x0080, 0x0080, 0x03E0, 0x01C0, 0x0080, 0x0000},
 138 {0x0080, 0x01C0, 0x03E0, 0x07F0, 0x0FF8, 0x01C0, 0x3FFE, 0x3FFE,
 139 0x3FFE, 0x3FFE, 0x01C0, 0x0FF8, 0x07F0, 0x03E0, 0x01C0, 0x0080},
 140 {0x0007, 0x0008}
 141 },
 142
 143 {
 144 {0x0000, 0x0080, 0x01C0, 0x03E0, 0x0080, 0x0888, 0x188C, 0x3FFE,
 145 0x188C, 0x0888, 0x0080, 0x03E0, 0x01C0, 0x0080, 0x0000, 0x0000},
 146 {0x0080, 0x01C0, 0x03E0, 0x07F0, 0x0BE8, 0x1DDC, 0x3FFE, 0x7FFF,
 147 0x3FFE, 0x1DDC, 0x0BE8, 0x07F0, 0x03E0, 0x01C0, 0x0080, 0x0000},
 148 {0x0007, 0x0008}
 149 },
 150
 151 {
 152 {0x0000, 0x001E, 0x000E, 0x060E, 0x0712, 0x03A0, 0x01C0, 0x00E0,
 153 0x0170, 0x1238, 0x1C18, 0x1C00, 0x1E00, 0x0000, 0x0000, 0x0000},
 154 {0x007F, 0x003F, 0x0E1F, 0x0F0F, 0x0F97, 0x07E3, 0x03E1, 0x21F0,
 155 0x31F8, 0x3A7C, 0x3C3C, 0x3E1C, 0x3F00, 0x3F80, 0x0000, 0x0000},
 156 {0x0006, 0x0009}
 157 },
 158
 159 {
 160 {0x0000, 0x7800, 0x7000, 0x7060, 0x48E0, 0x05C0, 0x0380, 0x0700,
 161 0x0E80, 0x1C48, 0x1838, 0x0038, 0x0078, 0x0000, 0x0000, 0x0000},
 162 {0xFE00, 0xFC00, 0xF870, 0xF0F0, 0xE9F0, 0xC7E0, 0x87C0, 0x0F84,
 163 0x1F8C, 0x3E5C, 0x3C3C, 0x387C, 0x00FC, 0x01FC, 0x0000, 0x0000},
 164 {0x0006, 0x0006}
 165 },
 166
 167 {
 168 {0x0006, 0x000E, 0x001C, 0x0018, 0x0020, 0x0040, 0x00F8, 0x0004,
 169 0x1FF4, 0x200C, 0x2AA8, 0x1FF0, 0x1F80, 0x3800, 0x6000, 0x8000},
 170 {0x000F, 0x001F, 0x003E, 0x007C, 0x0070, 0x00E0, 0x01FC, 0x3FF6,
 171 0x7FF6, 0x7FFE, 0x7FFC, 0x7FF8, 0x3FF0, 0x7FC0, 0xF800, 0xE000},
 172 {0x000A, 0x0006}
 173 },
 174
 175 } ;
 176
 177 NSCursor* wxGetStockCursor( short sIndex )
 178 {
 179     ClassicCursor* pCursor = &gMacCursors[sIndex];
 180
 181     //Classic mac cursors are 1bps 16x16 black and white with a
 182     //identical mask that is 1 for on and 0 for off
 183     NSImage *theImage = [[NSImage alloc] initWithSize:NSMakeSize(16.0,16.0)];
 184
 185     //NSCursor takes an NSImage takes a number of Representations - here
 186     //we need only one for the raw data
 187     NSBitmapImageRep *theRep =
 188     [[NSBitmapImageRep alloc]
 189       initWithBitmapDataPlanes: nil  // Allocate the buffer for us :)
 190       pixelsWide: 16
 191       pixelsHigh: 16
 192       bitsPerSample: 1
 193       samplesPerPixel: 2
 194       hasAlpha: YES             // Well, more like a mask...
 195       isPlanar: NO
 196       colorSpaceName: NSCalibratedWhiteColorSpace // Normal B/W - 0 black 1 white
 197       bytesPerRow: 0     // I don't care - figure it out for me :)
 198       bitsPerPixel: 2];  // bitsPerSample * samplesPerPixel
 199
 200     //unsigned int is better to put data in then a void*
 201     //note that working with bitfields would be a lot better here -
 202     //but since it breaks some compilers...
 203     wxUint32 *data = (wxUint32 *)[theRep bitmapData];
 204
 205     //traverse through the bitmap data
 206     for (int i = 0; i < 16; ++i)
 207     {
 208         //bit alpha bit alpha ... :D
 209
 210         //Notice the = instead of |= -
 211         //this is to avoid doing a memset earlier
 212         data[i] = 0;
 213
 214         //do the rest of those bits and alphas :)
 215         for (int shift = 0; shift < 32; ++shift)
 216         {
 217             data[i] |= ( !!( (pCursor->mask[i] & (1 << (shift >> 1) )) ) ) << shift;
 218             data[i] |= ( !( (pCursor->bits[i] & (1 << (shift >> 1) )) ) ) << ++shift;
 219         }
 220     }
 221
 222     //add the representation (data) to the image
 223     [theImage addRepresentation:theRep];
 224
 225     //create the new cursor
 226     NSCursor* theCursor =  [[NSCursor alloc]    initWithImage:theImage
 227                                     hotSpot:NSMakePoint(pCursor->hotspot[1], pCursor->hotspot[0])
 228                             ];
 229
 230     //do the usual cleanups
 231     [theRep release];
 232     [theImage release];
 233
 234     //return the new cursor
 235     return theCursor;
 236 }
 237
 238 wxCursorRefData::wxCursorRefData() :
 239     m_width(32), m_height(32), m_hCursor(nil)
 240 {
 241 }
 242
 243 wxCursorRefData::~wxCursorRefData()
 244 {
 245     if (m_hCursor)
 246         [m_hCursor release];
 247 }
 248
 249 // Cursors
 250 wxCursor::wxCursor()
 251 {
 252 }
 253
 254 wxCursor::wxCursor(const char WXUNUSED(bits)[], int WXUNUSED(width), int WXUNUSED(height),
 255     int WXUNUSED(hotSpotX), int WXUNUSED(hotSpotY), const char WXUNUSED(maskBits)[])
 256 {
 257
 258 }
 259
 260 wxCursor::wxCursor(const wxString& cursor_file, long flags, int hotSpotX, int hotSpotY)
 261 {
 262     m_refData = new wxCursorRefData;
 263
 264     //TODO:  Not sure if this works or not
 265     NSImage* theImage;
 266
 267     if (flags & wxBITMAP_TYPE_MACCURSOR_RESOURCE)
 268     {
 269         //[NSBundle bundleForClass:[self class]]?
 270         theImage = [[NSImage alloc]
 271                         initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:wxNSStringWithWxString(cursor_file) ofType:nil]
 272                     ];
 273
 274     }
 275     else
 276         theImage = [[NSImage alloc] initByReferencingFile:wxNSStringWithWxString(cursor_file)
 277                 ];
 278
 279     wxASSERT(theImage);
 280
 281     M_CURSORDATA->m_hCursor = [[NSCursor alloc] initWithImage:theImage
 282                                         hotSpot:NSMakePoint(hotSpotX, hotSpotY)
 283                                 ];
 284
 285     [theImage release];
 286 }
 287
 288 // Cursors by stock number
 289 wxCursor::wxCursor(int cursor_type)
 290 {
 291   m_refData = new wxCursorRefData;
 292
 293   switch (cursor_type)
 294   {
 295     case wxCURSOR_IBEAM:
 296       M_CURSORDATA->m_hCursor = [[NSCursor IBeamCursor] retain];
 297       break;
 298     case wxCURSOR_ARROW:
 299       M_CURSORDATA->m_hCursor = [[NSCursor arrowCursor] retain];
 300       break;
 301 /*      TODO:
 302     case wxCURSOR_COPY_ARROW:
 303         M_CURSORDATA->m_themeCursor = kThemeCopyArrowCursor ;
 304         break;
 305     case wxCURSOR_WAIT:
 306         M_CURSORDATA->m_themeCursor = kThemeWatchCursor ;
 307         break;
 308     case wxCURSOR_CROSS:
 309         M_CURSORDATA->m_themeCursor = kThemeCrossCursor;
 310         break;
 311     case wxCURSOR_SIZENWSE:
 312         {
 313             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorSizeNWSE);
 314         }
 315         break;
 316 */
 317     case wxCURSOR_SIZENESW:
 318         {
 319             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorSizeNESW);
 320         }
 321         break;
 322 /*      TODO:
 323     case wxCURSOR_SIZEWE:
 324         {
 325             M_CURSORDATA->m_themeCursor = kThemeResizeLeftRightCursor;
 326         }
 327         break;
 328 */
 329     case wxCURSOR_SIZENS:
 330         {
 331             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorSizeNS);
 332         }
 333         break;
 334     case wxCURSOR_SIZING:
 335         {
 336             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorSize);
 337         }
 338         break;
 339 /*      TODO:
 340     case wxCURSOR_HAND:
 341         {
 342             M_CURSORDATA->m_themeCursor = kThemePointingHandCursor;
 343         }
 344         break;
 345 */
 346     case wxCURSOR_BULLSEYE:
 347         {
 348             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorBullseye);
 349         }
 350         break;
 351     case wxCURSOR_PENCIL:
 352         {
 353             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorPencil);
 354         }
 355         break;
 356     case wxCURSOR_MAGNIFIER:
 357         {
 358             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorMagnifier);
 359         }
 360         break;
 361     case wxCURSOR_NO_ENTRY:
 362         {
 363             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorNoEntry);
 364         }
 365         break;
 366 /*  TODO:
 367     case wxCURSOR_WATCH:
 368         {
 369             M_CURSORDATA->m_themeCursor = kThemeWatchCursor;
 370             break;
 371         }
 372 */
 373     case wxCURSOR_PAINT_BRUSH:
 374         {
 375             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorPaintBrush);
 376             break;
 377         }
 378     case wxCURSOR_POINT_LEFT:
 379         {
 380             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorPointLeft);
 381             break;
 382         }
 383     case wxCURSOR_POINT_RIGHT:
 384         {
 385             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorPointRight);
 386             break;
 387         }
 388     case wxCURSOR_QUESTION_ARROW:
 389         {
 390             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorQuestionArrow);
 391             break;
 392         }
 393     case wxCURSOR_BLANK:
 394         {
 395             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorBlank);
 396             break;
 397         }
 398     case wxCURSOR_RIGHT_ARROW:
 399         {
 400             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorRightArrow);
 401             break;
 402         }
 403     case wxCURSOR_SPRAYCAN:
 404         {
 405             M_CURSORDATA->m_hCursor = wxGetStockCursor(kwxCursorRoller);
 406             break;
 407         }
 408     case wxCURSOR_CHAR:
 409     case wxCURSOR_LEFT_BUTTON:
 410     case wxCURSOR_RIGHT_BUTTON:
 411     case wxCURSOR_MIDDLE_BUTTON:
 412     default:
 413         break;
 414     }
 415 }
 416
 417 wxCursor::~wxCursor()
 418 {
 419 }
 420
 421 // Global cursor setting
 422 void wxSetCursor(const wxCursor& cursor)
 423 {
 424     if (cursor.GetNSCursor())
 425         [cursor.GetNSCursor() push];
 426 }
 427
 428 static int wxBusyCursorCount = 0;
 429
 430 // Set the cursor to the busy cursor for all windows
 431 void wxBeginBusyCursor(wxCursor *cursor)
 432 {
 433   wxBusyCursorCount ++;
 434   if (wxBusyCursorCount == 1)
 435   {
 436         // TODO
 437   }
 438   else
 439   {
 440         // TODO
 441   }
 442 }
 443
 444 // Restore cursor to normal
 445 void wxEndBusyCursor()
 446 {
 447   if (wxBusyCursorCount == 0)
 448     return;
 449
 450   wxBusyCursorCount --;
 451   if (wxBusyCursorCount == 0)
 452   {
 453     // TODO
 454   }
 455 }
 456
 457 // TRUE if we're between the above two calls
 458 bool wxIsBusy()
 459 {
 460   return (wxBusyCursorCount > 0);
 461 }
 462