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

   1 /***************************************************************************
   2
   3  NList.mcc - New List MUI Custom Class
   4  Registered MUI class, Serial Number: 1d51 0x9d510030 to 0x9d5100A0
   5                                            0x9d5100C0 to 0x9d5100FF
   6
   7  Copyright (C) 1996-2001 by Gilles Masson
   8  Copyright (C) 2001-2014 NList Open Source Team
   9
  10  This library is free software; you can redistribute it and/or
  11  modify it under the terms of the GNU Lesser General Public
  12  License as published by the Free Software Foundation; either
  13  version 2.1 of the License, or (at your option) any later version.
  14
  15  This library is distributed in the hope that it will be useful,
  16  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  Lesser General Public License for more details.
  19
  20  NList classes Support Site:  http://www.sf.net/projects/nlist-classes
  21
  22  $Id$
  23
  24 ***************************************************************************/
  25
  26 #include <string.h>
  27
  28 #include <clib/alib_protos.h>
  29
  30 #include <exec/execbase.h>
  31 #include <intuition/pointerclass.h>
  32
  33 #include <proto/utility.h>
  34 #include <proto/intuition.h>
  35 #include <proto/exec.h>
  36 #include <proto/graphics.h>
  37
  38 #include "private.h"
  39 #include "Debug.h"
  40
  41 // the meta data of our pointers
  42 #define sizePointerWidth      16
  43 #define sizePointerHeight     16
  44 #define sizePointerXOffset    -8
  45 #define sizePointerYOffset    -8
  46
  47 #define movePointerWidth      14
  48 #define movePointerHeight      6
  49 #define movePointerXOffset    -7
  50 #define movePointerYOffset    -3
  51
  52 #define selectPointerWidth     7
  53 #define selectPointerHeight   16
  54 #define selectPointerXOffset  -3
  55 #define selectPointerYOffset  -8
  56
  57 #if defined(__amigaos4__)
  58 // a 32bit ARGB pointer image where we can define every color of the pixels
  59 // on our own and put an alpha-channel information in it as well.
  60 static const ULONG sizePointer[] =
  61 {
  62   /* ......++++...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  63   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  64   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  65   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  66   /* ...++.+##+.++... */ 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000,
  67   /* ..+#+.+##+.+#+.. */ 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xffffffff, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0xffffffff, 0xff000000, 0xffffffff, 0x00000000, 0x00000000,
  68   /* .+##+++##+++##+. */ 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000,
  69   /* +##############+ */ 0xffffffff, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xffffffff,
  70   /* +##############+ */ 0xffffffff, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xffffffff,
  71   /* .+##+++##+++##+. */ 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000,
  72   /* ..+#+.+##+.+#+.. */ 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xffffffff, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0xffffffff, 0xff000000, 0xffffffff, 0x00000000, 0x00000000,
  73   /* ...++.+##+.++... */ 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0xffffffff, 0xffffffff, 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, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  76   /* ......+##+...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000, 0xff000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  77   /* ......++++...... */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
  78 };
  79
  80 static const ULONG movePointer[] =
  81 {
  82   /* ..#########... */ 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,  0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000,
  83   /* .##+++++++##.. */ 0x00000000, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0xff000000, 0xff000000,  0xff000000, 0xff000000, 0xff000000, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000,
  84   /* ###+......###. */ 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0x00000000, 0x00000000, 0x00000000,  0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000,
  85   /* .##+......##++ */ 0x00000000, 0xffffffff, 0xffffffff, 0xff000000, 0x00000000, 0x00000000, 0x00000000,  0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000,
  86   /* ..#########++. */ 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,  0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xff000000, 0xff000000, 0x00000000,
  87   /* ...+++++++++.. */ 0x00000000, 0x00000000, 0x00000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000,  0xff000000, 0xff000000, 0xff000000, 0xff000000, 0xff000000, 0x00000000, 0x00000000,
  88 };
  89
  90 static const ULONG selectPointer[] =
  91 {
  92   0xff6d6d6d, 0xff000000, 0x00000000, 0x00000000, 0xffbbbbbb, 0xff6d6d6d, 0xff000000, // +#  :+#
  93   0x00000000, 0xffbbbbbb, 0xff000000, 0xffbbbbbb, 0xff000000, 0x00000000, 0x00000000, //  :#:#
  94   0x00000000, 0x00000000, 0xffbbbbbb, 0xff000000, 0x00000000, 0x00000000, 0x00000000, //   :#
  95   0x00000000, 0x00000000, 0xffbbbbbb, 0xff000000, 0x00000000, 0x00000000, 0x00000000, //   :#
  96   0x00000000, 0x00000000, 0xffbbbbbb, 0xff000000, 0x00000000, 0x00000000, 0x00000000, //   :#
  97   0x00000000, 0x00000000, 0xffbbbbbb, 0xff000000, 0x00000000, 0x00000000, 0x00000000, //   :#
  98   0x00000000, 0x00000000, 0xffbbbbbb, 0xff000000, 0x00000000, 0x00000000, 0x00000000, //   :#
  99   0x00000000, 0x00000000, 0xffbbbbbb, 0xff000000, 0x00000000, 0x00000000, 0x00000000, //   :#
 100   0x00000000, 0xffbbbbbb, 0xff000000, 0xff000000, 0xff000000, 0x00000000, 0x00000000, //  :###
 101   0x00000000, 0x00000000, 0xffbbbbbb, 0xff000000, 0x00000000, 0x00000000, 0x00000000, //   :#
 102   0x00000000, 0x00000000, 0xffbbbbbb, 0xff000000, 0x00000000, 0x00000000, 0x00000000, //   :#
 103   0x00000000, 0x00000000, 0xffbbbbbb, 0xff000000, 0x00000000, 0x00000000, 0x00000000, //   :#
 104   0x00000000, 0x00000000, 0xffbbbbbb, 0xff000000, 0x00000000, 0x00000000, 0x00000000, //   :#
 105   0x00000000, 0x00000000, 0xffbbbbbb, 0xff000000, 0x00000000, 0x00000000, 0x00000000, //   :#
 106   0x00000000, 0xffbbbbbb, 0xff000000, 0xffbbbbbb, 0xff000000, 0x00000000, 0x00000000, //  :#:#
 107   0xff6d6d6d, 0xff000000, 0x00000000, 0x00000000, 0xffbbbbbb, 0xff6d6d6d, 0xff000000, // +#  :+#
 108 };
 109
 110 #ifndef POINTERA_ImageData
 111 #define POINTERA_ImageData (POINTERA_Dummy + 0x07) // ARGB (width * height * sizeof(ULONG))
 112 #endif
 113 #ifndef POINTERA_Width
 114 #define POINTERA_Width     (POINTERA_Dummy + 0x08) // <= 64
 115 #endif
 116 #ifndef POINTERA_Height
 117 #define POINTERA_Height    (POINTERA_Dummy + 0x09) // <= 64
 118 #endif
 119 #ifndef WA_PointerType
 120 #define WA_PointerType     (WA_Dummy + 0x50)
 121 #endif
 122 #ifndef POINTERTYPE_COLUMNRESIZE
 123 #define POINTERTYPE_COLUMNRESIZE     4
 124 #endif
 125 #ifndef POINTERTYPE_SCROLLALL
 126 #define POINTERTYPE_SCROLLALL        26
 127 #endif
 128 #ifndef POINTERTYPE_TEXT
 129 #define POINTERTYPE_TEXT             30
 130 #endif
 131
 132 #else // __amigaos4__
 133
 134 #if defined(__MORPHOS__)
 135 #ifndef POINTERTYPE_SELECTTEXT
 136 #define POINTERTYPE_SELECTTEXT       7
 137 #define POINTERTYPE_HORIZONTALRESIZE 11
 138 #define POINTERTYPE_MOVE             14
 139 #endif
 140 #ifndef WA_PointerType
 141 #define WA_PointerType (WA_Dummy + 164)
 142 #endif
 143 #endif
 144
 145 #if !defined(__AROS__)
 146 static const UWORD sizePointer[] =
 147 {
 148 //plane1    plane2
 149   0x0000,   0x0000,
 150
 151   0x03c0,   0x0000,
 152   0x0240,   0x0180,
 153   0x0240,   0x0180,
 154   0x0240,   0x0180,
 155   0x1a58,   0x0180,
 156   0x2a54,   0x1008,
 157   0x4e72,   0x300c,
 158   0x8001,   0x7ffe,
 159   0x8001,   0x7ffe,
 160   0x4e72,   0x300c,
 161   0x2a54,   0x0180,
 162   0x1a58,   0x0180,
 163   0x0240,   0x0180,
 164   0x0240,   0x0180,
 165   0x0240,   0x0180,
 166   0x03c0,   0x0000,
 167
 168   0x0000,   0x0000
 169 };
 170
 171 static const UWORD movePointer[] =
 172 {
 173 //plane1    plane2
 174   0x0000,   0x0000,
 175
 176   0x3fe0,   0x0000,
 177   0x6030,   0x1fc0,
 178   0xe038,   0x1000,
 179   0x6030,   0x100c,
 180   0x3fe0,   0x0018,
 181   0x0000,   0x1ff0,
 182
 183   0x0000,   0x0000
 184 };
 185
 186 static const UWORD selectPointer[] =
 187 {
 188 //plane1    plane2
 189   0x0000,   0x0000,
 190
 191   0x8800,   0x4600,
 192   0x5000,   0x2800,
 193   0x2000,   0x1000,
 194   0x2000,   0x1000,
 195   0x2000,   0x1000,
 196   0x2000,   0x1000,
 197   0x2000,   0x1000,
 198   0x2000,   0x1000,
 199   0x4000,   0x3800,
 200   0x2000,   0x1000,
 201   0x2000,   0x1000,
 202   0x2000,   0x1000,
 203   0x2000,   0x1000,
 204   0x2000,   0x1000,
 205   0x5000,   0x2800,
 206   0x8800,   0x4600,
 207
 208   0x0000,   0x0000
 209 };
 210 #endif
 211 #endif // __amigaos4__
 212
 213 // Classic bitmap data for the pointers. These will be used for OS4 aswell,
 214 // if the graphic card cannot handle 32bit pointers.
 215
 216 // the size pointer
 217 static const UWORD sizePointer_bp0[] =
 218 {
 219   /* ......++++...... */ 0x03c0,
 220   /* ......+..+...... */ 0x0240,
 221   /* ......+..+...... */ 0x0240,
 222   /* ......+..+...... */ 0x0240,
 223   /* ...++.+..+.++... */ 0x1a58,
 224   /* ..+.+.+..+.+.+.. */ 0x2a54,
 225   /* .+..+++..+++..+. */ 0x4e72,
 226   /* +..............+ */ 0x8001,
 227   /* +..............+ */ 0x8001,
 228   /* .+..+++..+++..+. */ 0x4e72,
 229   /* ..+.+.+..+.+.+.. */ 0x2a54,
 230   /* ...++.+..+.++... */ 0x1a58,
 231   /* ......+..+...... */ 0x0240,
 232   /* ......+..+...... */ 0x0240,
 233   /* ......+..+...... */ 0x0240,
 234   /* ......++++...... */ 0x03c0,
 235 };
 236
 237 static const UWORD sizePointer_bp1[] =
 238 {
 239   /* ................ */ 0x0000,
 240   /* .......##....... */ 0x0180,
 241   /* .......##....... */ 0x0180,
 242   /* .......##....... */ 0x0180,
 243   /* .......##....... */ 0x0180,
 244   /* ...#...##...#... */ 0x1188,
 245   /* ..##...##...##.. */ 0x318c,
 246   /* .##############. */ 0x7ffe,
 247   /* .##############. */ 0x7ffe,
 248   /* ..##...##...##.. */ 0x318c,
 249   /* ...#...##...#... */ 0x1188,
 250   /* .......##....... */ 0x0180,
 251   /* .......##....... */ 0x0180,
 252   /* .......##....... */ 0x0180,
 253   /* .......##....... */ 0x0180,
 254   /* ................ */ 0x0000,
 255 };
 256
 257 static const UWORD sizePointer_bp2[] =
 258 {
 259   /* ......++++...... */ 0x03c0,
 260   /* ......+##+...... */ 0x03c0,
 261   /* ......+##+...... */ 0x03c0,
 262   /* ......+##+...... */ 0x03c0,
 263   /* ...++.+##+.++... */ 0x1bd8,
 264   /* ..+#+.+##+.+#+.. */ 0x3bdc,
 265   /* .+##+++##+++##+. */ 0x7ffe,
 266   /* +##############+ */ 0xffff,
 267   /* +##############+ */ 0xffff,
 268   /* .+##+++##+++##+. */ 0x7ffe,
 269   /* ..+#+.+##+.+#+.. */ 0x3bdc,
 270   /* ...++.+##+.++... */ 0x1bd8,
 271   /* ......+##+...... */ 0x03c0,
 272   /* ......+##+...... */ 0x03c0,
 273   /* ......+##+...... */ 0x03c0,
 274   /* ......++++...... */ 0x03c0,
 275 };
 276
 277 static struct BitMap sizePointerBitmap =
 278 {
 279   2, 16, 0, 2, 0,
 280   { (PLANEPTR)sizePointer_bp0, (PLANEPTR)sizePointer_bp1, NULL, NULL, NULL, NULL, NULL, NULL }
 281 };
 282
 283 // the move pointer
 284 static const UWORD movePointer_bp0[] =
 285 {
 286   0x3fe0, // ..#########.....
 287   0x6030, // .##.......##....
 288   0xe038, // ###.......###...
 289   0x6030, // .##.......##....
 290   0x3fe0, // ..#########.....
 291   0x0000  // ................
 292 };
 293
 294 static const UWORD movePointer_bp1[] =
 295 {
 296   0x0000, // ................
 297   0x1fc0, // ...#######......
 298   0x1000, // ...#............
 299   0x100c, // ...#........##..
 300   0x0018, // ...........##...
 301   0x1ff0  // ...#########....
 302 };
 303
 304 static const UWORD movePointer_bp2[] =
 305 {
 306   0x3fe0, // ..%%%%%%%%%.....
 307   0x7ff0, // .%%#######%%....
 308   0xf038, // %%%#......%%%...
 309   0x703c, // .%%#......%%##..
 310   0x3ffc, // ..%%%%%%%%%##...
 311   0x0000  // ...#########....
 312 };
 313
 314 static struct BitMap movePointerBitmap =
 315 {
 316   2, 6, 0, 2, 0,
 317   { (PLANEPTR)movePointer_bp0, (PLANEPTR)movePointer_bp1, NULL, NULL, NULL, NULL, NULL, NULL }
 318 };
 319
 320
 321 // the selection pointer
 322 static const UWORD selectPointer_bp0[] =
 323 {
 324   0x8800,    // #...#...........
 325   0x5000,    // .#.#............
 326   0x2000,    // ..#.............
 327   0x2000,    // ..#.............
 328   0x2000,    // ..#.............
 329   0x2000,    // ..#.............
 330   0x2000,    // ..#.............
 331   0x2000,    // ..#.............
 332   0x4000,    // .#..............
 333   0x2000,    // ..#.............
 334   0x2000,    // ..#.............
 335   0x2000,    // ..#.............
 336   0x2000,    // ..#.............
 337   0x2000,    // ..#.............
 338   0x5000,    // .#.#............
 339   0x8800,    // #...#...........
 340 };
 341
 342 static const UWORD selectPointer_bp1[] =
 343 {
 344   0x4600,    // .#...##.........
 345   0x2800,    // ..#.#...........
 346   0x1000,    // ...#............
 347   0x1000,    // ...#............
 348   0x1000,    // ...#............
 349   0x1000,    // ...#............
 350   0x1000,    // ...#............
 351   0x1000,    // ...#............
 352   0x3800,    // ..###...........
 353   0x1000,    // ...#............
 354   0x1000,    // ...#............
 355   0x1000,    // ...#............
 356   0x1000,    // ...#............
 357   0x1000,    // ...#............
 358   0x2800,    // ..#.#...........
 359   0x4600,    // .#...##.........
 360 };
 361
 362 static const UWORD selectPointer_bp2[] =
 363 {
 364   0xce00,    // %#..%##.........
 365   0x7800,    // .%#%#...........
 366   0x3000,    // ..%#............
 367   0x3000,    // ..%#............
 368   0x3000,    // ..%#............
 369   0x3000,    // ..%#............
 370   0x3000,    // ..%#............
 371   0x3000,    // ..%#............
 372   0x7800,    // .%%%#...........
 373   0x3000,    // ..%#............
 374   0x3000,    // ..%#............
 375   0x3000,    // ..%#............
 376   0x3000,    // ..%#............
 377   0x3000,    // ..%#............
 378   0x7800,    // .%#%#...........
 379   0xce00,    // %#..%##.........
 380 };
 381
 382 static struct BitMap selectPointerBitmap =
 383 {
 384   2, 16, 0, 2, 0,
 385   { (PLANEPTR)selectPointer_bp0, (PLANEPTR)selectPointer_bp1, NULL, NULL, NULL, NULL, NULL }
 386 };
 387
 388 #ifndef ARRAY_SIZE
 389 #define ARRAY_SIZE(a)    (sizeof(a) / sizeof(a[0]))
 390 #endif
 391
 392 static void IdentifyPointerColors(Object *obj)
 393 {
 394   ULONG i;
 395   ULONG colors[3*3];
 396   LONG blackDiff[3];
 397   LONG whiteDiff[3];
 398   LONG blackIndex;
 399   LONG whiteIndex;
 400
 401   ENTER();
 402
 403   // get the current screen's pointer colors (17 to 19)
 404   GetRGB32(_window(obj)->WScreen->ViewPort.ColorMap, 17, 3, colors);
 405
 406   for(i=0; i < 3; i++)
 407   {
 408     LONG dr;
 409     LONG dg;
 410     LONG db;
 411
 412     // normalize the colors to 8 bit per gun as GetRGB32() returns
 413     // 32bit left aligned values
 414     colors[i*3+0] >>= 24;
 415     colors[i*3+1] >>= 24;
 416     colors[i*3+2] >>= 24;
 417
 418     // calculate the geometric difference to the color black (=0x00000000)
 419     dr = 0x00000000 - colors[i*3+0];
 420     dg = 0x00000000 - colors[i*3+1];
 421     db = 0x00000000 - colors[i*3+2];
 422     blackDiff[i] = dr * dr + dg * dg + db * db;
 423
 424     // calculate the geometric difference to the color white (=0x000000ff)
 425     dr = 0x000000ff - colors[i*3+0];
 426     dg = 0x000000ff - colors[i*3+1];
 427     db = 0x000000ff - colors[i*3+2];
 428     whiteDiff[i] = dr * dr + dg * dg + db * db;
 429   }
 430
 431   // the smallest difference defines the color which is closest to black or
 432   // equal to black
 433   if(blackDiff[0] > blackDiff[1])
 434   {
 435     if(blackDiff[1] > blackDiff[2])
 436       blackIndex = 19;
 437     else
 438       blackIndex = 18;
 439   }
 440   else if(blackDiff[0] > blackDiff[2])
 441     blackIndex = 19;
 442   else
 443     blackIndex = 17;
 444
 445   // the smallest difference defines the color which is closest to white or
 446   // equal to white
 447   if(whiteDiff[0] > whiteDiff[1])
 448   {
 449     if(whiteDiff[1] > whiteDiff[2])
 450       whiteIndex = 19;
 451     else
 452       whiteIndex = 18;
 453   }
 454   else if(whiteDiff[0] > whiteDiff[2])
 455     whiteIndex = 19;
 456   else
 457     whiteIndex = 17;
 458
 459   // Here we expect the user to have set up quite "different" colors. That
 460   // means the color closest to white will never be close to black and vice
 461   // versa. According to these differences we spread the required bitplanes.
 462   if(whiteIndex == 17)
 463   {
 464     if(blackIndex == 18)
 465     {
 466       sizePointerBitmap.Planes[0] = (PLANEPTR)sizePointer_bp0;
 467       sizePointerBitmap.Planes[1] = (PLANEPTR)sizePointer_bp1;
 468       movePointerBitmap.Planes[0] = (PLANEPTR)movePointer_bp0;
 469       movePointerBitmap.Planes[1] = (PLANEPTR)movePointer_bp1;
 470       selectPointerBitmap.Planes[0] = (PLANEPTR)selectPointer_bp0;
 471       selectPointerBitmap.Planes[1] = (PLANEPTR)selectPointer_bp1;
 472     }
 473     else // blackIndex == 19
 474     {
 475       sizePointerBitmap.Planes[0] = (PLANEPTR)sizePointer_bp2;
 476       sizePointerBitmap.Planes[1] = (PLANEPTR)sizePointer_bp1;
 477       movePointerBitmap.Planes[0] = (PLANEPTR)movePointer_bp2;
 478       movePointerBitmap.Planes[1] = (PLANEPTR)movePointer_bp1;
 479       selectPointerBitmap.Planes[0] = (PLANEPTR)selectPointer_bp2;
 480       selectPointerBitmap.Planes[1] = (PLANEPTR)selectPointer_bp1;
 481     }
 482   }
 483   else if(whiteIndex == 18)
 484   {
 485     if(blackIndex == 17)
 486     {
 487       sizePointerBitmap.Planes[0] = (PLANEPTR)sizePointer_bp1;
 488       sizePointerBitmap.Planes[1] = (PLANEPTR)sizePointer_bp0;
 489       movePointerBitmap.Planes[0] = (PLANEPTR)movePointer_bp1;
 490       movePointerBitmap.Planes[1] = (PLANEPTR)movePointer_bp0;
 491       selectPointerBitmap.Planes[0] = (PLANEPTR)selectPointer_bp1;
 492       selectPointerBitmap.Planes[1] = (PLANEPTR)selectPointer_bp0;
 493     }
 494     else // blackIndex == 19
 495     {
 496       sizePointerBitmap.Planes[0] = (PLANEPTR)sizePointer_bp1;
 497       sizePointerBitmap.Planes[1] = (PLANEPTR)sizePointer_bp2;
 498       movePointerBitmap.Planes[0] = (PLANEPTR)movePointer_bp1;
 499       movePointerBitmap.Planes[1] = (PLANEPTR)movePointer_bp2;
 500       selectPointerBitmap.Planes[0] = (PLANEPTR)selectPointer_bp1;
 501       selectPointerBitmap.Planes[1] = (PLANEPTR)selectPointer_bp2;
 502     }
 503   }
 504   else // whiteIndex == 19
 505   {
 506     if(blackIndex == 17)
 507     {
 508       sizePointerBitmap.Planes[0] = (PLANEPTR)sizePointer_bp2;
 509       sizePointerBitmap.Planes[1] = (PLANEPTR)sizePointer_bp0;
 510       movePointerBitmap.Planes[0] = (PLANEPTR)movePointer_bp2;
 511       movePointerBitmap.Planes[1] = (PLANEPTR)movePointer_bp0;
 512       selectPointerBitmap.Planes[0] = (PLANEPTR)selectPointer_bp2;
 513       selectPointerBitmap.Planes[1] = (PLANEPTR)selectPointer_bp0;
 514     }
 515     else // blackIndex == 18
 516     {
 517       sizePointerBitmap.Planes[0] = (PLANEPTR)sizePointer_bp0;
 518       sizePointerBitmap.Planes[1] = (PLANEPTR)sizePointer_bp2;
 519       movePointerBitmap.Planes[0] = (PLANEPTR)movePointer_bp0;
 520       movePointerBitmap.Planes[1] = (PLANEPTR)movePointer_bp2;
 521       selectPointerBitmap.Planes[0] = (PLANEPTR)selectPointer_bp0;
 522       selectPointerBitmap.Planes[1] = (PLANEPTR)selectPointer_bp2;
 523     }
 524   }
 525
 526   LEAVE();
 527 }
 528
 529 void SetupCustomPointers(struct NLData *data)
 530 {
 531   ENTER();
 532
 533   #if defined(__amigaos4__)
 534   if(LIB_VERSION_IS_AT_LEAST(IntuitionBase, 53, 41))
 535   {
 536     data->SizePointerObj = (APTR)POINTERTYPE_COLUMNRESIZE;
 537     data->MovePointerObj = (APTR)POINTERTYPE_SCROLLALL;
 538     data->SelectPointerObj = (APTR)POINTERTYPE_TEXT;
 539   }
 540   #elif defined(__MORPHOS__)
 541   if(LIB_VERSION_IS_AT_LEAST(IntuitionBase, 51, 0))  // Check for V51 Intuition and use built-in pointers
 542   {
 543     data->SizePointerObj = (APTR)POINTERTYPE_HORIZONTALRESIZE;
 544     data->MovePointerObj = (APTR)POINTERTYPE_MOVE;
 545     data->SelectPointerObj = (APTR)POINTERTYPE_SELECTTEXT;
 546   }
 547   #endif
 548
 549   if(data->SizePointerObj == NULL)
 550   {
 551     #if defined(__amigaos4__)
 552     data->SizePointerObj = (Object *)NewObject(NULL, "pointerclass",
 553       POINTERA_ImageData,   sizePointer,
 554       POINTERA_Width,       sizePointerWidth,
 555       POINTERA_Height,      sizePointerHeight,
 556       POINTERA_BitMap,      (LONG)&sizePointerBitmap,
 557       POINTERA_WordWidth,   (ULONG)1,
 558       POINTERA_XResolution, (ULONG)POINTERXRESN_SCREENRES,
 559       POINTERA_YResolution, (ULONG)POINTERYRESN_SCREENRESASPECT,
 560       POINTERA_XOffset,     (LONG)sizePointerXOffset,
 561       POINTERA_YOffset,     (LONG)sizePointerYOffset,
 562       TAG_DONE);
 563     #else
 564     data->SizePointerObj = (Object *)NewObject(NULL, (STRPTR)"pointerclass",
 565       POINTERA_BitMap,      (IPTR)&sizePointerBitmap,
 566       POINTERA_WordWidth,   (ULONG)1,
 567       POINTERA_XResolution, (ULONG)POINTERXRESN_SCREENRES,
 568       POINTERA_YResolution, (ULONG)POINTERYRESN_SCREENRESASPECT,
 569       POINTERA_XOffset,     (LONG)sizePointerXOffset,
 570       POINTERA_YOffset,     (LONG)sizePointerYOffset,
 571       TAG_DONE);
 572     #endif
 573   }
 574
 575   if(data->MovePointerObj == NULL)
 576   {
 577     #if defined(__amigaos4__)
 578     data->MovePointerObj = (Object *)NewObject(NULL, "pointerclass",
 579       POINTERA_ImageData,   movePointer,
 580       POINTERA_Width,       movePointerWidth,
 581       POINTERA_Height,      movePointerHeight,
 582       POINTERA_BitMap,      (LONG)&movePointerBitmap,
 583       POINTERA_WordWidth,   (ULONG)1,
 584       POINTERA_XResolution, (ULONG)POINTERXRESN_SCREENRES,
 585       POINTERA_YResolution, (ULONG)POINTERYRESN_SCREENRESASPECT,
 586       POINTERA_XOffset,     (LONG)movePointerXOffset,
 587       POINTERA_YOffset,     (LONG)movePointerYOffset,
 588       TAG_DONE);
 589     #else
 590     data->MovePointerObj = (Object *)NewObject(NULL, (STRPTR)"pointerclass",
 591       POINTERA_BitMap,      (IPTR)&movePointerBitmap,
 592       POINTERA_WordWidth,   (ULONG)1,
 593       POINTERA_XResolution, (ULONG)POINTERXRESN_SCREENRES,
 594       POINTERA_YResolution, (ULONG)POINTERYRESN_SCREENRESASPECT,
 595       POINTERA_XOffset,     (LONG)movePointerXOffset,
 596       POINTERA_YOffset,     (LONG)movePointerYOffset,
 597       TAG_DONE);
 598     #endif
 599   }
 600
 601   if(data->SelectPointerObj == NULL)
 602   {
 603     #if defined(__amigaos4__)
 604     data->SelectPointerObj = (Object *)NewObject(NULL, "pointerclass",
 605       POINTERA_ImageData,   selectPointer,
 606       POINTERA_Width,       selectPointerWidth,
 607       POINTERA_Height,      selectPointerHeight,
 608       POINTERA_BitMap,      (LONG)&selectPointerBitmap,
 609       POINTERA_WordWidth,   (ULONG)1,
 610       POINTERA_XResolution, (ULONG)POINTERXRESN_SCREENRES,
 611       POINTERA_YResolution, (ULONG)POINTERYRESN_SCREENRESASPECT,
 612       POINTERA_XOffset,     (LONG)selectPointerXOffset,
 613       POINTERA_YOffset,     (LONG)selectPointerYOffset,
 614       TAG_DONE);
 615     #else
 616     data->SelectPointerObj = (Object *)NewObject(NULL, (STRPTR)"pointerclass",
 617       POINTERA_BitMap,      (IPTR)&selectPointerBitmap,
 618       POINTERA_WordWidth,   (ULONG)1,
 619       POINTERA_XResolution, (ULONG)POINTERXRESN_SCREENRES,
 620       POINTERA_YResolution, (ULONG)POINTERYRESN_SCREENRESASPECT,
 621       POINTERA_XOffset,     (LONG)selectPointerXOffset,
 622       POINTERA_YOffset,     (LONG)selectPointerYOffset,
 623       TAG_DONE);
 624     #endif
 625   }
 626
 627   LEAVE();
 628 }
 629
 630 void CleanupCustomPointers(struct NLData *data)
 631 {
 632   ENTER();
 633
 634   #if defined(__amigaos4__)
 635   if(LIB_VERSION_IS_AT_LEAST(IntuitionBase, 53, 41))
 636   {
 637     data->SizePointerObj = NULL;
 638     data->MovePointerObj = NULL;
 639     data->SelectPointerObj = NULL;
 640   }
 641   #elif defined(__MORPHOS__)
 642   if(LIB_VERSION_IS_AT_LEAST(IntuitionBase, 51, 0))  // Check for V51 Intuition and use built-in pointers
 643   {
 644     data->SizePointerObj = NULL;
 645     data->MovePointerObj = NULL;
 646     data->SelectPointerObj = NULL;
 647   }
 648   #endif
 649
 650   // dispose the different pointer objects
 651   if(data->SizePointerObj != NULL)
 652   {
 653     DisposeObject(data->SizePointerObj);
 654     data->SizePointerObj = NULL;
 655   }
 656
 657   if(data->MovePointerObj != NULL)
 658   {
 659     DisposeObject(data->MovePointerObj);
 660     data->MovePointerObj = NULL;
 661   }
 662
 663   if(data->SelectPointerObj != NULL)
 664   {
 665     DisposeObject(data->SelectPointerObj);
 666     data->SelectPointerObj = NULL;
 667   }
 668
 669   data->activeCustomPointer = PT_NONE;
 670
 671   LEAVE();
 672 }
 673
 674 void ShowCustomPointer(struct NLData *data, enum PointerType type)
 675 {
 676   Object *obj = data->this;
 677
 678   ENTER();
 679
 680   // even if it seems to be a waste of performance, but
 681   // we unfortunately have to always set the window pointer
 682   // regardless of the point if it was previously set or not.
 683   // This is required as any other gadget or process might
 684   // reset the window pointer and as such we would end up
 685   // with no custom pointer as well. So we only check the window
 686   // sleep status here :(
 687   if(xget(_win(obj), MUIA_Window_Sleep) == FALSE)
 688   {
 689     Object *ptrObject = NULL;
 690
 691     switch(type)
 692     {
 693       case PT_SIZE:
 694         ptrObject = data->SizePointerObj;
 695       break;
 696
 697       case PT_MOVE:
 698         ptrObject = data->MovePointerObj;
 699       break;
 700
 701       case PT_SELECT:
 702         ptrObject = data->SelectPointerObj;
 703       break;
 704
 705       case PT_NONE:
 706         ptrObject = NULL;
 707       break;
 708     }
 709
 710     if(ptrObject != NULL)
 711     {
 712       // try to identify the black/white colors
 713       // of the current screen colormap
 714       IdentifyPointerColors(obj);
 715
 716       #if defined(__amigaos4__)
 717       SetWindowPointer(_window(obj), LIB_VERSION_IS_AT_LEAST(IntuitionBase, 53, 41) ? WA_PointerType : WA_Pointer, ptrObject, TAG_DONE);
 718       #elif defined(__MORPHOS__)
 719       SetWindowPointer(_window(obj), LIB_VERSION_IS_AT_LEAST(IntuitionBase, 51, 0) ? WA_PointerType : WA_Pointer, ptrObject, TAG_DONE);
 720       #else
 721       SetWindowPointer(_window(obj), WA_Pointer, ptrObject, TAG_DONE);
 722       #endif
 723
 724       data->activeCustomPointer = type;
 725     }
 726     else
 727       HideCustomPointer(data);
 728   }
 729
 730   LEAVE();
 731 }
 732
 733 void HideCustomPointer(struct NLData *data)
 734 {
 735   ENTER();
 736
 737   if(data->activeCustomPointer != PT_NONE)
 738   {
 739     SetWindowPointer(_window(data->this), TAG_DONE);
 740     data->activeCustomPointer = PT_NONE;
 741   }
 742
 743   LEAVE();
 744 }