src/cocoa/cursor.mm

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