Mercurial > sdl-ios-xcode

annotate src/video/riscos/SDL_riscosmouse.c @ 3474:1edb86163d62

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Of COURSE that trick wouldn't work on all renderers. Fall back to something for now, hopefully figure out a better way to do this later. If we have to, we can use vertical line and horizontal line textures for vertical and horizontal lines, and then create custom textures for diagonal lines and software render those. It's terrible, but at least it would be pixel perfect.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Nov 2009 07:22:59 +0000
parents 99210400e8b9
children f7b03b6838cb
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /*
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25 File added by Alan Buckley (alan_baa@hotmail.com) for RISC OS compatability
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26 27 March 2003
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27
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28 Implements mouse cursor shape definitions and positioning
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29 */
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30
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31 #include "SDL_mouse.h"
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32 #include "../../events/SDL_events_c.h"
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33
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34 #include "SDL_riscosmouse_c.h"
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35
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36 #include "kernel.h"
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37 #include "swis.h"
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38
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39 static WMcursor *current_cursor = NULL;
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40 static WMcursor *defined_cursor = NULL;
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41
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42 extern int mouseInWindow;
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43
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44 /* Area to save cursor palette colours changed by SDL.
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45 Actual values will be read before we change to the SDL cursor */
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46 static Uint8 wimp_cursor_palette[2][5] = {
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47 {1, 25, 255, 255, 255},
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48 {3, 25, 255, 255, 255}
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49 };
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50
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51 static int cursor_palette_saved = 0;
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52
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53 void WIMP_SaveCursorPalette();
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54 void WIMP_RestoreWimpCursor();
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55 void WIMP_SetSDLCursorPalette();
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56
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57
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58 void
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59 RISCOS_FreeWMCursor(_THIS, WMcursor * cursor)
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60 {
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61 SDL_free(cursor->data);
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62 SDL_free(cursor);
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63 }
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64
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65 WMcursor *
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66 RISCOS_CreateWMCursor(_THIS,
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67 Uint8 * data, Uint8 * mask, int w, int h, int hot_x,
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68 int hot_y)
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69 {
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70 WMcursor *cursor;
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71 Uint8 *cursor_data;
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72 Uint8 *ptr;
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73 int i, j, k;
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74 int data_byte, mask_byte;
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75
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76 /* Check to make sure the cursor size is okay */
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77 if ((w > 32) || (h > 32)) {
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78 SDL_SetError("Only with width and height <= 32 pixels are allowed");
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79 return (NULL);
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80 }
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81
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82 /* Allocate the cursor */
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83 cursor = (WMcursor *) SDL_malloc(sizeof(*cursor));
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84 if (cursor == NULL) {
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85 SDL_SetError("Out of memory");
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86 return (NULL);
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87 }
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88
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89 /* Note: SDL says width must be a multiple of 8 */
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90 cursor_data = SDL_malloc(w / 4 * h);
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91 if (cursor_data == NULL) {
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92 SDL_free(cursor);
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93 SDL_SetError("Out of memory");
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94 return (NULL);
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95 }
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96
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97 cursor->w = w;
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98 cursor->h = h;
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99 cursor->hot_x = hot_x;
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100 cursor->hot_y = hot_y;
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101 cursor->data = cursor_data;
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102
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103
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104 /* Data / Mask Resulting pixel on screen
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105 0 / 1 White
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106 1 / 1 Black
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107 0 / 0 Transparent
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108 1 / 0 Inverted color if possible, black if not.
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109 */
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110 ptr = cursor_data;
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111
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112 for (i = 0; i < h; ++i) {
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113 for (j = 0; j < w / 8; ++j) {
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114 data_byte = *data;
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115 mask_byte = *mask;
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116 *ptr++ = 0; /* Sets whole byte transparent */
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117 *ptr = 0;
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118 for (k = 0; k < 8; k++) {
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119 (*ptr) <<= 2;
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120 if (data_byte & 1)
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121 *ptr |= 3; /* Black or inverted */
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122 else if (mask_byte & 1)
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123 *ptr |= 1; /* White */
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124 if ((k & 3) == 3)
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125 ptr--;
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126 data_byte >>= 1;
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127 mask_byte >>= 1;
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128 }
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129
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130 ptr += 3;
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diff changeset
131 data++;
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diff changeset
132 mask++;
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133 }
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134 }
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135
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136 return (cursor);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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137 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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diff changeset
138
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diff changeset
139 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
140 RISCOS_ShowWMCursor(_THIS, WMcursor * cursor)
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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141 {
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diff changeset
142 current_cursor = cursor;
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143
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144 if (cursor == NULL) {
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145 _kernel_osbyte(106, 0, 0);
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146 defined_cursor = NULL;
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diff changeset
147 } else {
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diff changeset
148 WMcursor *old_cursor = defined_cursor;
630
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149
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150 if (cursor != defined_cursor) {
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diff changeset
151 Uint8 cursor_def[10];
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152
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diff changeset
153 cursor_def[0] = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
154 cursor_def[1] = 2; /* Use shape number 2 */
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155 cursor_def[2] = cursor->w / 4; /* Width in bytes */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
156 cursor_def[3] = cursor->h; /* Height (h) in pixels */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
157 cursor_def[4] = cursor->hot_x; /* ActiveX in pixels from left */
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diff changeset
158 cursor_def[5] = cursor->hot_y; /* ActiveY in pixels from top */
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159 cursor_def[6] = ((int) (cursor->data) & 0xFF); /* Least significant byte of pointer to data */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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160 cursor_def[7] = ((int) (cursor->data) >> 8) & 0xFF; /* ... */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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161 cursor_def[8] = ((int) (cursor->data) >> 16) & 0xFF; /* ... */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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162 cursor_def[9] = ((int) (cursor->data) >> 24) & 0xFF; /* Most significant byte of pointer to data */
630
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163
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164 if (_kernel_osword(21, (int *) cursor_def) != 0) {
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165 SDL_SetError("RISCOS couldn't create the cursor to show");
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166 return (0);
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diff changeset
167 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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168 defined_cursor = cursor;
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diff changeset
169 }
630
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170
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diff changeset
171 if (old_cursor == NULL) {
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172 /* First time or reshow in window, so save/setup palette */
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diff changeset
173 if (!cursor_palette_saved) {
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parents: 1035
diff changeset
174 WIMP_SaveCursorPalette();
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diff changeset
175 }
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
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diff changeset
176 WIMP_SetSDLCursorPalette();
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177 }
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
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178
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179 _kernel_osbyte(106, 2, 0);
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180 }
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diff changeset
181
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182 return (1);
630
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diff changeset
183 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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diff changeset
184
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185 void
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diff changeset
186 FULLSCREEN_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
630
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parents:
diff changeset
187 {
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188 Uint8 move_block[5];
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189 int eig_block[3];
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diff changeset
190 _kernel_swi_regs regs;
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diff changeset
191 int os_x, os_y;
630
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diff changeset
192
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diff changeset
193 eig_block[0] = 4; /* X eig factor */
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diff changeset
194 eig_block[1] = 5; /* Y eig factor */
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diff changeset
195 eig_block[2] = -1; /* End of list of variables to request */
630
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diff changeset
196
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diff changeset
197 regs.r[0] = (int) eig_block;
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198 regs.r[1] = (int) eig_block;
630
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diff changeset
199 _kernel_swi(OS_ReadVduVariables, &regs, &regs);
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200
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diff changeset
201 os_x = x << eig_block[0];
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diff changeset
202 os_y = y << eig_block[1];
630
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diff changeset
203
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diff changeset
204 move_block[0] = 3; /* Move cursor */
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diff changeset
205 move_block[1] = os_x & 0xFF;
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parents: 1402
diff changeset
206 move_block[2] = (os_x >> 8) & 0xFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
207 move_block[3] = os_y & 0xFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
208 move_block[4] = (os_y >> 8) & 0xFF;
630
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parents:
diff changeset
209
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diff changeset
210 _kernel_osword(21, (int *) move_block);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
211 SDL_PrivateMouseMotion(0, 0, x, y);
630
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parents:
diff changeset
212 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 /* Reshow cursor when mouse re-enters the window */
1895
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diff changeset
216 void
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
217 WIMP_ReshowCursor(_THIS)
630
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parents:
diff changeset
218 {
1895
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diff changeset
219 defined_cursor = NULL;
1208
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Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
220 cursor_palette_saved = 0;
1895
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diff changeset
221 RISCOS_ShowWMCursor(this, current_cursor);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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parents:
diff changeset
222 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223
1895
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parents: 1402
diff changeset
224 void
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diff changeset
225 WIMP_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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parents:
diff changeset
226 {
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diff changeset
227 _kernel_swi_regs regs;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
228 int window_state[9];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
229 char block[5];
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
230 int osX, osY;
630
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parents:
diff changeset
231
1895
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
232 window_state[0] = this->hidden->window_handle;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
233 regs.r[1] = (unsigned int) window_state;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
234 _kernel_swi(Wimp_GetWindowState, &regs, &regs);
630
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parents:
diff changeset
235
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diff changeset
236 osX = (x << this->hidden->xeig) + window_state[1];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
237 osY = window_state[4] - (y << this->hidden->yeig);
630
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parents:
diff changeset
238
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
239 block[0] = 3;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
240 block[1] = osX & 0xFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
241 block[2] = (osX >> 8) & 0xFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
242 block[3] = osY & 0xFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
243 block[4] = (osY >> 8) & 0xFF;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244
1895
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
245 regs.r[0] = 21;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
246 regs.r[1] = (int) block;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
247 _kernel_swi(OS_Word, &regs, &regs);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
248 SDL_PrivateMouseMotion(0, 0, x, y);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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parents:
diff changeset
249 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250
1895
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
251 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
252 WIMP_ShowWMCursor(_THIS, WMcursor * cursor)
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 {
1895
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
254 if (mouseInWindow)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
255 return RISCOS_ShowWMCursor(this, cursor);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
256 else
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
257 current_cursor = cursor;
1208
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diff changeset
258
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
259 return 1;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261
1895
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parents: 1402
diff changeset
262 SDL_GrabMode
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
263 RISCOS_GrabInput(_THIS, SDL_GrabMode mode)
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
265 /* In fullscreen mode we don't need to do anything */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
266 if (mode < SDL_GRAB_FULLSCREEN) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
267 _kernel_swi_regs regs;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
268 unsigned char block[9];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
269 block[0] = 1; /* Define mouse cursor bounding block */
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270
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diff changeset
271 if (mode == SDL_GRAB_OFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
272 /* Clip to whole screen */
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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parents:
diff changeset
273
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
274 int r = (this->hidden->screen_width << this->hidden->xeig) - 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
275 int t = (this->hidden->screen_height << this->hidden->yeig) - 1;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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parents:
diff changeset
276
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diff changeset
277 block[1] = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
278 block[2] = 0; /* Left */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
279 block[3] = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
280 block[4] = 0; /* Bottom */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
281 block[5] = r & 0xFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
282 block[6] = (r >> 8) & 0xFF; /* Right */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
283 block[7] = t & 0xFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
284 block[8] = (t >> 8) & 0xFF; /* Top */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
285 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
286 /* Clip to window */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
287 unsigned char window_state[36];
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288
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289 *((int *) window_state) = this->hidden->window_handle;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
290 regs.r[1] = (unsigned int) window_state;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
291 _kernel_swi(Wimp_GetWindowState, &regs, &regs);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292
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diff changeset
293 block[1] = window_state[4];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
294 block[2] = window_state[5];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
295 block[3] = window_state[8];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
296 block[4] = window_state[9];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
297 block[5] = window_state[12];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
298 block[6] = window_state[13];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
299 block[7] = window_state[16];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
300 block[8] = window_state[17];
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301
1895
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diff changeset
302 }
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
304 regs.r[0] = 21; /* OS word code */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
305 regs.r[1] = (int) block;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
306 _kernel_swi(OS_Word, &regs, &regs);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
307 }
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
309 return mode;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 }
1208
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Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
311
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
312 /* Save mouse cursor palette to be restore when we are no longer
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
313 defining a cursor */
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
314
1895
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diff changeset
315 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
316 WIMP_SaveCursorPalette()
1208
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
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parents: 1035
diff changeset
317 {
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
318 _kernel_swi_regs regs;
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
319 int colour;
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
320
1895
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diff changeset
321 for (colour = 0; colour < 2; colour++) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
322 regs.r[0] = (int) wimp_cursor_palette[colour][0];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
323 regs.r[1] = 25;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
324 /* Read settings with OS_ReadPalette */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
325 if (_kernel_swi(0x2f, &regs, &regs) == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
326 wimp_cursor_palette[colour][2] =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
327 (unsigned char) ((regs.r[2] >> 8) & 0xFF);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
328 wimp_cursor_palette[colour][3] =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
329 (unsigned char) ((regs.r[2] >> 16) & 0xFF);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
330 wimp_cursor_palette[colour][4] =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
331 (unsigned char) ((regs.r[2] >> 24) & 0xFF);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
332 }
1208
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
333 }
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
334
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
335 cursor_palette_saved = 1;
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
336 }
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
337
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
338 /* Restore the WIMP's cursor when we leave the SDL window */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
339 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
340 WIMP_RestoreWimpCursor()
1208
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parents: 1035
diff changeset
341 {
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
342 int colour;
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
343
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
344 /* Reset to pointer shape 1 */
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
345 _kernel_osbyte(106, 1, 0);
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
346
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
347 /* Reset pointer colours */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
348 if (cursor_palette_saved) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
349 for (colour = 0; colour < 2; colour++) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
350 _kernel_osword(12, (int *) wimp_cursor_palette[colour]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
351 }
1208
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Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
352 }
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
353 cursor_palette_saved = 0;
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
354 }
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
355
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
356 /* Set palette used for SDL mouse cursors */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
357 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
358 WIMP_SetSDLCursorPalette()
1208
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
359 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
360 /* First time set up the mouse colours */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
361 Uint8 block[5];
1208
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Sam Lantinga <slouken@libsdl.org>
parents: 1035
diff changeset
362
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
363 /* Set up colour 1 as white */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
364 block[0] = 1; /* Colour to change 1 - 3 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
365 block[1] = 25; /* Set pointer colour */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
366 block[2] = 255; /* red component */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
367 block[3] = 255; /* green component */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
368 block[4] = 255; /* blue component */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
369 _kernel_osword(12, (int *) block);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
370
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
371 /* Set colour 3 to back */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
372 block[0] = 3; /* Colour to change 1 - 3 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
373 block[1] = 25; /* Set pointer colour */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
374 block[2] = 0; /* red component */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
375 block[3] = 0; /* green component */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
376 block[4] = 0; /* blue component */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
377 _kernel_osword(12, (int *) block);
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d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
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378 }
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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379
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
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380 /* vi: set ts=4 sw=4 expandtab: */