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annotate src/video/riscos/SDL_riscosmouse.c @ 2135:0313af081a84

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Merge iconv const changes from 1.2 I'm not entirely happy with them. Maybe the right way to go is to leave SDL_iconv() taking a non-const inbuf? How often are we converting const strings anyway?
author Sam Lantinga <slouken@libsdl.org>
date Thu, 28 Jun 2007 06:57:08 +0000
parents c121d94672cb
children 99210400e8b9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 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 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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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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diff changeset
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.
Sam Lantinga <slouken@libsdl.org>
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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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diff changeset
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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151 Uint8 cursor_def[10];
630
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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 */
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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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diff changeset
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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diff changeset
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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diff changeset
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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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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diff changeset
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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parents:
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 {
1895
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188 Uint8 move_block[5];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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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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196
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diff changeset
197 regs.r[0] = (int) eig_block;
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diff changeset
198 regs.r[1] = (int) eig_block;
630
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parents:
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 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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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
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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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 {
1895
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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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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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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)
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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.
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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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258
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
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!)
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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.
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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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parents: 1402
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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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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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.
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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.
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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!)
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parents:
diff changeset
292
1895
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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
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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.
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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.
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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
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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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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
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parents: 1035
diff changeset
317 {
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
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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
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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.
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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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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
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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);
1208
d90b362628ea From: "alan buckley" <alan_baa@hotmail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 1035
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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>
parents: 1402
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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>
parents: 1402
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380 /* vi: set ts=4 sw=4 expandtab: */