workbench/classes/zune/nlist/nbalance_mcc/Pointer.c

   1 /***************************************************************************
   2
   3  NBalance.mcc - New Balance MUI Custom Class
   4  Copyright (C) 2008-2013 by NList Open Source Team
   5
   6  This library is free software; you can redistribute it and/or
   7  modify it under the terms of the GNU Lesser General Public
   8  License as published by the Free Software Foundation; either
   9  version 2.1 of the License, or (at your option) any later version.
  10
  11  This library is distributed in the hope that it will be useful,
  12  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  Lesser General Public License for more details.
  15
  16  NList classes Support Site:  http://www.sf.net/projects/nlist-classes
  17
  18  $Id$
  19
  20 ***************************************************************************/
  21
  22 #include <string.h>
  23
  24 #include <clib/alib_protos.h>
  25
  26 #include <intuition/pointerclass.h>
  27
  28 #include <proto/utility.h>
  29 #include <proto/intuition.h>
  30 #include <proto/exec.h>
  31 #include <proto/graphics.h>
  32 #include <libraries/mui.h>
  33
  34 #include "private.h"
  35 #include "muiextra.h"
  36
  37 // the meta data of our pointers
  38 #define horizSizePointerWidth      16
  39 #define horizSizePointerHeight     16
  40 #define horizSizePointerXOffset    -8
  41 #define horizSizePointerYOffset    -8
  42
  43 #define vertSizePointerWidth       16
  44 #define vertSizePointerHeight      16
  45 #define vertSizePointerXOffset     -8
  46 #define vertSizePointerYOffset     -8
  47
  48 #if defined(__amigaos4__)
  49 // a 32bit ARGB pointer image where we can define every color of the pixels
  50 // on our own and put an alpha-channel information in it as well.
  51 static const ULONG horizSizePointer[] =
  52 {
  53   /* ......++++...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  54   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  55   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  56   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  57   /* ...++.+##+.++... */ 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000,
  58   /* ..+#+.+##+.+#+.. */ 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xffffffff, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0xffffffff, 0xff000000, 0xffffffff, 0x00000000, 0x00000000,
  59   /* .+##+++##+++##+. */ 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000,
  60   /* +##############+ */ 0xffffffff, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xffffffff,
  61   /* +##############+ */ 0xffffffff, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xffffffff,
  62   /* .+##+++##+++##+. */ 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000,
  63   /* ..+#+.+##+.+#+.. */ 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xffffffff, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0xffffffff, 0xff000000, 0xffffffff, 0x00000000, 0x00000000,
  64   /* ...++.+##+.++... */ 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000,
  65   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  66   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  67   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  68   /* ......++++...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  69 };
  70
  71 static const ULONG vertSizePointer[] =
  72 {
  73   /* .......++....... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  74   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  75   /* .....+####+..... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  76   /* ....+######+.... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  77   /* ....+++##+++.... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  78   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  79   /* +++++++##+++++++ */ 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
  80   /* +##############+ */ 0xffffffff, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xffffffff,
  81   /* +##############+ */ 0xffffffff, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xffffffff,
  82   /* +++++++##+++++++ */ 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
  83   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  84   /* ....+++##+++.... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  85   /* ....+######+.... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  86   /* .....+####+..... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  87   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  88   /* .......++....... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  89 };
  90
  91 #ifndef POINTERA_ImageData
  92 #define POINTERA_ImageData (POINTERA_Dummy + 0x07) // ARGB (width * height * sizeof(ULONG))
  93 #endif
  94 #ifndef POINTERA_Width
  95 #define POINTERA_Width     (POINTERA_Dummy + 0x08) // <= 64
  96 #endif
  97 #ifndef POINTERA_Height
  98 #define POINTERA_Height    (POINTERA_Dummy + 0x09) // <= 64
  99 #endif
 100 #ifndef WA_PointerType
 101 #define WA_PointerType     (WA_Dummy + 0x50)
 102 #endif
 103 #ifndef POINTERTYPE_COLUMNRESIZE
 104 #define POINTERTYPE_COLUMNRESIZE   4
 105 #endif
 106 #ifndef POINTERTYPE_ROWRESIZE
 107 #define POINTERTYPE_ROWRESIZE      25
 108 #endif
 109
 110 #else // __amigaos4__
 111
 112 #if defined(__MORPHOS__)
 113 #ifndef POINTERTYPE_VERTICALRESIZE
 114 #define POINTERTYPE_VERTICALRESIZE   10
 115 #define POINTERTYPE_HORIZONTALRESIZE 11
 116 #endif
 117 #ifndef WA_PointerType
 118 #define WA_PointerType (WA_Dummy + 164)
 119 #endif
 120 #endif
 121
 122 #if !defined(__AROS__)
 123 static const UWORD horizSizePointer[] =
 124 {
 125 //plane1    plane2
 126   0x0000,   0x0000,
 127
 128   0x03c0,   0x0000,
 129   0x0240,   0x0180,
 130   0x0240,   0x0180,
 131   0x0240,   0x0180,
 132   0x1a58,   0x0180,
 133   0x2a54,   0x1008,
 134   0x4e72,   0x300c,
 135   0x8001,   0x7ffe,
 136   0x8001,   0x7ffe,
 137   0x4e72,   0x300c,
 138   0x2a54,   0x0180,
 139   0x1a58,   0x0180,
 140   0x0240,   0x0180,
 141   0x0240,   0x0180,
 142   0x0240,   0x0180,
 143   0x03c0,   0x0000,
 144
 145   0x0000,   0x0000
 146 };
 147
 148 static const UWORD vertSizePointer[] =
 149 {
 150 //plane1    plane2
 151   0x0000,   0x0000,
 152
 153   0x0180,   0x0000,
 154   0x0240,   0x0180,
 155   0x0420,   0x03c0,
 156   0x0810,   0x07e0,
 157   0x0e70,   0x0180,
 158   0x0240,   0x0180,
 159   0xfe7f,   0x0180,
 160   0x8001,   0x7ffe,
 161   0x8001,   0x7ffe,
 162   0xfe7f,   0x0180,
 163   0x0240,   0x0180,
 164   0x0e70,   0x0180,
 165   0x0810,   0x07e0,
 166   0x0420,   0x03c0,
 167   0x0240,   0x0180,
 168   0x0180,   0x0000,
 169
 170   0x0000,   0x0000
 171 };
 172 #endif
 173
 174 #endif // __amigaos4__
 175
 176 // Classic bitmap data for the pointers. These will be used for OS4 aswell,
 177 // if the graphic card cannot handle 32bit pointers.
 178
 179 // the horizontal size pointer
 180 static const UWORD horizSizePointer_bp0[] =
 181 {
 182   /* ......++++...... */ 0x03c0,
 183   /* ......+..+...... */ 0x0240,
 184   /* ......+..+...... */ 0x0240,
 185   /* ......+..+...... */ 0x0240,
 186   /* ...++.+..+.++... */ 0x1a58,
 187   /* ..+.+.+..+.+.+.. */ 0x2a54,
 188   /* .+..+++..+++..+. */ 0x4e72,
 189   /* +..............+ */ 0x8001,
 190   /* +..............+ */ 0x8001,
 191   /* .+..+++..+++..+. */ 0x4e72,
 192   /* ..+.+.+..+.+.+.. */ 0x2a54,
 193   /* ...++.+..+.++... */ 0x1a58,
 194   /* ......+..+...... */ 0x0240,
 195   /* ......+..+...... */ 0x0240,
 196   /* ......+..+...... */ 0x0240,
 197   /* ......++++...... */ 0x03c0,
 198 };
 199
 200 static const UWORD horizSizePointer_bp1[] =
 201 {
 202   /* ................ */ 0x0000,
 203   /* .......##....... */ 0x0180,
 204   /* .......##....... */ 0x0180,
 205   /* .......##....... */ 0x0180,
 206   /* .......##....... */ 0x0180,
 207   /* ...#...##...#... */ 0x1188,
 208   /* ..##...##...##.. */ 0x318c,
 209   /* .##############. */ 0x7ffe,
 210   /* .##############. */ 0x7ffe,
 211   /* ..##...##...##.. */ 0x318c,
 212   /* ...#...##...#... */ 0x1188,
 213   /* .......##....... */ 0x0180,
 214   /* .......##....... */ 0x0180,
 215   /* .......##....... */ 0x0180,
 216   /* .......##....... */ 0x0180,
 217   /* ................ */ 0x0000,
 218 };
 219
 220 static const UWORD horizSizePointer_bp2[] =
 221 {
 222   /* ......++++...... */ 0x03c0,
 223   /* ......+##+...... */ 0x03c0,
 224   /* ......+##+...... */ 0x03c0,
 225   /* ......+##+...... */ 0x03c0,
 226   /* ...++.+##+.++... */ 0x1bd8,
 227   /* ..+#+.+##+.+#+.. */ 0x3bdc,
 228   /* .+##+++##+++##+. */ 0x7ffe,
 229   /* +##############+ */ 0xffff,
 230   /* +##############+ */ 0xffff,
 231   /* .+##+++##+++##+. */ 0x7ffe,
 232   /* ..+#+.+##+.+#+.. */ 0x3bdc,
 233   /* ...++.+##+.++... */ 0x1bd8,
 234   /* ......+##+...... */ 0x03c0,
 235   /* ......+##+...... */ 0x03c0,
 236   /* ......+##+...... */ 0x03c0,
 237   /* ......++++...... */ 0x03c0,
 238 };
 239
 240 static struct BitMap horizSizePointerBitmap =
 241 {
 242   2, 16, 0, 2, 0,
 243   { (PLANEPTR)horizSizePointer_bp0, (PLANEPTR)horizSizePointer_bp1, NULL, NULL, NULL, NULL, NULL, NULL }
 244 };
 245
 246 // the vertical size pointer
 247 static const UWORD vertSizePointer_bp0[] =
 248 {
 249   /* .......++....... */ 0x0180,
 250   /* ......+..+...... */ 0x0240,
 251   /* .....+....+..... */ 0x0420,
 252   /* ....+......+.... */ 0x0810,
 253   /* ....+++..+++.... */ 0x0e70,
 254   /* ......+..+...... */ 0x0240,
 255   /* +++++++..+++++++ */ 0xfe7f,
 256   /* +..............+ */ 0x8001,
 257   /* +..............+ */ 0x8001,
 258   /* +++++++..+++++++ */ 0xfe7f,
 259   /* ......+..+...... */ 0x0240,
 260   /* ....+++..+++.... */ 0x0e70,
 261   /* ....+......+.... */ 0x0810,
 262   /* .....+....+..... */ 0x0420,
 263   /* ......+..+...... */ 0x0240,
 264   /* .......++....... */ 0x0180,
 265 };
 266
 267 static const UWORD vertSizePointer_bp1[] =
 268 {
 269   /* ................ */ 0x0000,
 270   /* .......##....... */ 0x0180,
 271   /* ......####...... */ 0x03c0,
 272   /* .....######..... */ 0x07e0,
 273   /* .......##....... */ 0x0180,
 274   /* .......##....... */ 0x0180,
 275   /* .......##....... */ 0x0180,
 276   /* .##############. */ 0x7ffe,
 277   /* .##############. */ 0x7ffe,
 278   /* .......##....... */ 0x0180,
 279   /* .......##....... */ 0x0180,
 280   /* .......##....... */ 0x0180,
 281   /* .....######..... */ 0x07e0,
 282   /* ......####...... */ 0x03c0,
 283   /* .......##....... */ 0x0180,
 284   /* ................ */ 0x0000,
 285 };
 286
 287 static const UWORD vertSizePointer_bp2[] =
 288 {
 289   /* .......++....... */ 0x0180,
 290   /* ......+##+...... */ 0x03c0,
 291   /* .....+####+..... */ 0x07e0,
 292   /* ....+######+.... */ 0x0ff0,
 293   /* ....+++##+++.... */ 0x0ff0,
 294   /* ......+##+...... */ 0x03c0,
 295   /* +++++++##+++++++ */ 0xffff,
 296   /* +##############+ */ 0xffff,
 297   /* +##############+ */ 0xffff,
 298   /* +++++++##+++++++ */ 0xffff,
 299   /* ......+##+...... */ 0x03c0,
 300   /* ....+++##+++.... */ 0x0ff0,
 301   /* ....+######+.... */ 0x0ff0,
 302   /* .....+####+..... */ 0x07e0,
 303   /* ......+##+...... */ 0x03c0,
 304   /* .......++....... */ 0x0180,
 305 };
 306
 307 static struct BitMap vertSizePointerBitmap =
 308 {
 309   2, 16, 0, 2, 0,
 310   { (PLANEPTR)vertSizePointer_bp0, (PLANEPTR)vertSizePointer_bp1, NULL, NULL, NULL, NULL, NULL, NULL }
 311 };
 312
 313 #ifndef ARRAY_SIZE
 314 #define ARRAY_SIZE(a)    (sizeof(a) / sizeof(a[0]))
 315 #endif
 316
 317 static void IdentifyPointerColors(Object *obj)
 318 {
 319   ULONG i;
 320   ULONG colors[3*3];
 321   LONG blackDiff[3];
 322   LONG whiteDiff[3];
 323   LONG blackIndex;
 324   LONG whiteIndex;
 325
 326   ENTER();
 327
 328   // get the current screen's pointer colors (17 to 19)
 329   GetRGB32(_window(obj)->WScreen->ViewPort.ColorMap, 17, 3, colors);
 330
 331   for(i=0; i < 3; i++)
 332   {
 333     LONG dr;
 334     LONG dg;
 335     LONG db;
 336
 337     // normalize the colors to 8 bit per gun as GetRGB32() returns
 338     // 32bit left aligned values
 339     colors[i*3+0] >>= 24;
 340     colors[i*3+1] >>= 24;
 341     colors[i*3+2] >>= 24;
 342
 343     // calculate the geometric difference to the color black (=0x00000000)
 344     dr = 0x00000000 - colors[i*3+0];
 345     dg = 0x00000000 - colors[i*3+1];
 346     db = 0x00000000 - colors[i*3+2];
 347     blackDiff[i] = dr * dr + dg * dg + db * db;
 348
 349     // calculate the geometric difference to the color white (=0x000000ff)
 350     dr = 0x000000ff - colors[i*3+0];
 351     dg = 0x000000ff - colors[i*3+1];
 352     db = 0x000000ff - colors[i*3+2];
 353     whiteDiff[i] = dr * dr + dg * dg + db * db;
 354   }
 355
 356   // the smallest difference defines the color which is closest to black or
 357   // equal to black
 358   if(blackDiff[0] > blackDiff[1])
 359   {
 360     if(blackDiff[1] > blackDiff[2])
 361       blackIndex = 19;
 362     else
 363       blackIndex = 18;
 364   }
 365   else if(blackDiff[0] > blackDiff[2])
 366     blackIndex = 19;
 367   else
 368     blackIndex = 17;
 369
 370   // the smallest difference defines the color which is closest to white or
 371   // equal to white
 372   if(whiteDiff[0] > whiteDiff[1])
 373   {
 374     if(whiteDiff[1] > whiteDiff[2])
 375       whiteIndex = 19;
 376     else
 377       whiteIndex = 18;
 378   }
 379   else if(whiteDiff[0] > whiteDiff[2])
 380     whiteIndex = 19;
 381   else
 382     whiteIndex = 17;
 383
 384   // Here we expect the user to have set up quite "different" colors. That
 385   // means the color closest to white will never be close to black and vice
 386   // versa. According to these differences we spread the required bitplanes.
 387   if(whiteIndex == 17)
 388   {
 389     if(blackIndex == 18)
 390     {
 391       horizSizePointerBitmap.Planes[0] = (PLANEPTR)horizSizePointer_bp0;
 392       horizSizePointerBitmap.Planes[1] = (PLANEPTR)horizSizePointer_bp1;
 393       vertSizePointerBitmap.Planes[0] = (PLANEPTR)vertSizePointer_bp0;
 394       vertSizePointerBitmap.Planes[1] = (PLANEPTR)vertSizePointer_bp1;
 395     }
 396     else // blackIndex == 19
 397     {
 398       horizSizePointerBitmap.Planes[0] = (PLANEPTR)horizSizePointer_bp2;
 399       horizSizePointerBitmap.Planes[1] = (PLANEPTR)horizSizePointer_bp1;
 400       vertSizePointerBitmap.Planes[0] = (PLANEPTR)vertSizePointer_bp2;
 401       vertSizePointerBitmap.Planes[1] = (PLANEPTR)vertSizePointer_bp1;
 402     }
 403   }
 404   else if(whiteIndex == 18)
 405   {
 406     if(blackIndex == 17)
 407     {
 408       horizSizePointerBitmap.Planes[0] = (PLANEPTR)horizSizePointer_bp1;
 409       horizSizePointerBitmap.Planes[1] = (PLANEPTR)horizSizePointer_bp0;
 410       vertSizePointerBitmap.Planes[0] = (PLANEPTR)vertSizePointer_bp1;
 411       vertSizePointerBitmap.Planes[1] = (PLANEPTR)vertSizePointer_bp0;
 412     }
 413     else // blackIndex == 19
 414     {
 415       horizSizePointerBitmap.Planes[0] = (PLANEPTR)horizSizePointer_bp1;
 416       horizSizePointerBitmap.Planes[1] = (PLANEPTR)horizSizePointer_bp2;
 417       vertSizePointerBitmap.Planes[0] = (PLANEPTR)vertSizePointer_bp1;
 418       vertSizePointerBitmap.Planes[1] = (PLANEPTR)vertSizePointer_bp2;
 419     }
 420   }
 421   else // whiteIndex == 19
 422   {
 423     if(blackIndex == 17)
 424     {
 425       horizSizePointerBitmap.Planes[0] = (PLANEPTR)horizSizePointer_bp2;
 426       horizSizePointerBitmap.Planes[1] = (PLANEPTR)horizSizePointer_bp0;
 427       vertSizePointerBitmap.Planes[0] = (PLANEPTR)vertSizePointer_bp2;
 428       vertSizePointerBitmap.Planes[1] = (PLANEPTR)vertSizePointer_bp0;
 429     }
 430     else // blackIndex == 18
 431     {
 432       horizSizePointerBitmap.Planes[0] = (PLANEPTR)horizSizePointer_bp0;
 433       horizSizePointerBitmap.Planes[1] = (PLANEPTR)horizSizePointer_bp2;
 434       vertSizePointerBitmap.Planes[0] = (PLANEPTR)vertSizePointer_bp0;
 435       vertSizePointerBitmap.Planes[1] = (PLANEPTR)vertSizePointer_bp2;
 436     }
 437   }
 438
 439   LEAVE();
 440 }
 441
 442 void SetupCustomPointers(struct InstData *data)
 443 {
 444   ENTER();
 445
 446   #if defined(__amigaos4__)
 447   if(LIB_VERSION_IS_AT_LEAST(IntuitionBase, 53, 41))
 448   {
 449     data->horizSizePointerObj = (APTR)POINTERTYPE_COLUMNRESIZE;
 450     data->vertSizePointerObj = (APTR)POINTERTYPE_ROWRESIZE;
 451   }
 452   #elif defined(__MORPHOS__)
 453   if(LIB_VERSION_IS_AT_LEAST(IntuitionBase, 51, 0))
 454   {
 455     data->horizSizePointerObj = (APTR)POINTERTYPE_HORIZONTALRESIZE;
 456     data->vertSizePointerObj = (APTR)POINTERTYPE_VERTICALRESIZE;
 457   }
 458   #endif
 459
 460   if(data->horizSizePointerObj == NULL)
 461   {
 462     #if defined(__amigaos4__)
 463     data->horizSizePointerObj = (Object *)NewObject(NULL, "pointerclass",
 464       POINTERA_ImageData,   horizSizePointer,
 465       POINTERA_Width,       horizSizePointerWidth,
 466       POINTERA_Height,      horizSizePointerHeight,
 467       POINTERA_BitMap,      (LONG)&horizSizePointerBitmap,
 468       POINTERA_WordWidth,   (ULONG)1,
 469       POINTERA_XResolution, (ULONG)POINTERXRESN_SCREENRES,
 470       POINTERA_YResolution, (ULONG)POINTERYRESN_SCREENRESASPECT,
 471       POINTERA_XOffset,     (LONG)horizSizePointerXOffset,
 472       POINTERA_YOffset,     (LONG)horizSizePointerYOffset,
 473       TAG_DONE);
 474     #else
 475     data->horizSizePointerObj = (Object *)NewObject(NULL, (STRPTR)"pointerclass",
 476       POINTERA_BitMap,      (IPTR)&horizSizePointerBitmap,
 477       POINTERA_WordWidth,   (ULONG)1,
 478       POINTERA_XResolution, (ULONG)POINTERXRESN_SCREENRES,
 479       POINTERA_YResolution, (ULONG)POINTERYRESN_SCREENRESASPECT,
 480       POINTERA_XOffset,     (LONG)horizSizePointerXOffset,
 481       POINTERA_YOffset,     (LONG)horizSizePointerYOffset,
 482       TAG_DONE);
 483     #endif
 484   }
 485
 486   if(data->vertSizePointerObj == NULL)
 487   {
 488     #if defined(__amigaos4__)
 489     data->vertSizePointerObj = (Object *)NewObject(NULL, "pointerclass",
 490       POINTERA_ImageData,   vertSizePointer,
 491       POINTERA_Width,       vertSizePointerWidth,
 492       POINTERA_Height,      vertSizePointerHeight,
 493       POINTERA_BitMap,      (LONG)&vertSizePointerBitmap,
 494       POINTERA_WordWidth,   (ULONG)1,
 495       POINTERA_XResolution, (ULONG)POINTERXRESN_SCREENRES,
 496       POINTERA_YResolution, (ULONG)POINTERYRESN_SCREENRESASPECT,
 497       POINTERA_XOffset,     (LONG)vertSizePointerXOffset,
 498       POINTERA_YOffset,     (LONG)vertSizePointerYOffset,
 499       TAG_DONE);
 500     #else
 501     data->vertSizePointerObj = (Object *)NewObject(NULL, (STRPTR)"pointerclass",
 502       POINTERA_BitMap,      (IPTR)&vertSizePointerBitmap,
 503       POINTERA_WordWidth,   (ULONG)1,
 504       POINTERA_XResolution, (ULONG)POINTERXRESN_SCREENRES,
 505       POINTERA_YResolution, (ULONG)POINTERYRESN_SCREENRESASPECT,
 506       POINTERA_XOffset,     (LONG)vertSizePointerXOffset,
 507       POINTERA_YOffset,     (LONG)vertSizePointerYOffset,
 508       TAG_DONE);
 509     #endif
 510   }
 511
 512   LEAVE();
 513 }
 514
 515 void CleanupCustomPointers(struct InstData *data)
 516 {
 517   ENTER();
 518
 519   #if defined(__amigaos4__)
 520   if(LIB_VERSION_IS_AT_LEAST(IntuitionBase, 53, 41))
 521   {
 522     data->horizSizePointerObj = NULL;
 523     data->vertSizePointerObj = NULL;
 524   }
 525   #elif defined(__MORPHOS__)
 526   if(LIB_VERSION_IS_AT_LEAST(IntuitionBase, 51, 0))
 527   {
 528     data->horizSizePointerObj = NULL;
 529     data->vertSizePointerObj = NULL;
 530   }
 531   #endif
 532
 533   // dispose the different pointer objects
 534   if(data->horizSizePointerObj != NULL)
 535   {
 536     DisposeObject(data->horizSizePointerObj);
 537     data->horizSizePointerObj = NULL;
 538   }
 539
 540   if(data->vertSizePointerObj != NULL)
 541   {
 542     DisposeObject(data->vertSizePointerObj);
 543     data->vertSizePointerObj = NULL;
 544   }
 545
 546   data->activeCustomPointer = PT_NONE;
 547
 548   LEAVE();
 549 }
 550
 551 void ShowCustomPointer(Object *obj, struct InstData *data)
 552 {
 553   ENTER();
 554
 555   // even if it seems to be a waste of performance, but
 556   // we unfortunately have to always set the window pointer
 557   // regardless of the point if it was previously set or not.
 558   // This is required as any other gadget or process might
 559   // reset the window pointer and as such we would end up
 560   // with no custom pointer as well. So we only check the window
 561   // sleep status here :(
 562   if(xget(_win(obj), MUIA_Window_Sleep) == FALSE)
 563   {
 564     enum PointerType type = (data->groupType == MUIV_Group_Type_Horiz) ? PT_HORIZ : PT_VERT;
 565     Object *ptrObject = NULL;
 566
 567     switch(type)
 568     {
 569       case PT_HORIZ:
 570         ptrObject = data->horizSizePointerObj;
 571       break;
 572
 573       case PT_VERT:
 574         ptrObject = data->vertSizePointerObj;
 575       break;
 576
 577       case PT_NONE:
 578         ptrObject = NULL;
 579       break;
 580     }
 581
 582     if(ptrObject != NULL)
 583     {
 584       // try to identify the black/white colors
 585       // of the current screen colormap
 586       IdentifyPointerColors(obj);
 587
 588       #if defined(__amigaos4__)
 589       SetWindowPointer(_window(obj), LIB_VERSION_IS_AT_LEAST(IntuitionBase, 53, 41) ? WA_PointerType : WA_Pointer, ptrObject, TAG_DONE);
 590       #elif defined(__MORPHOS__)
 591       SetWindowPointer(_window(obj), LIB_VERSION_IS_AT_LEAST(IntuitionBase, 51, 0) ? WA_PointerType : WA_Pointer, ptrObject, TAG_DONE);
 592       #else
 593       SetWindowPointer(_window(obj), WA_Pointer, ptrObject, TAG_DONE);
 594       #endif
 595
 596       data->activeCustomPointer = type;
 597     }
 598     else
 599       HideCustomPointer(obj, data);
 600   }
 601
 602   LEAVE();
 603 }
 604
 605 void HideCustomPointer(Object *obj, struct InstData *data)
 606 {
 607   ENTER();
 608
 609   if(data->activeCustomPointer != PT_NONE)
 610   {
 611     SetWindowPointer(_window(obj), TAG_DONE);
 612     data->activeCustomPointer = PT_NONE;
 613   }
 614
 615   LEAVE();
 616 }