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annotate src/video/photon/SDL_ph_mouse.c @ 2835:f38257b5d936

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Initial pixel shader support for YUV textures in the GL renderer. This work is not complete yet!
author Ryan C. Gordon <icculus@icculus.org>
date Sat, 06 Dec 2008 00:56:47 +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) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 #include "SDL_mouse.h"
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25 #include "../../events/SDL_events_c.h"
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26 #include "../SDL_cursor_c.h"
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27 #include "SDL_ph_mouse_c.h"
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28
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29 struct WMcursor
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30 {
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31 PhCursorDef_t *ph_cursor;
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32 };
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33
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34 void
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35 ph_FreeWMCursor(_THIS, WMcursor * cursor)
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36 {
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37 if (window != NULL) {
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38 SDL_Lock_EventThread();
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39
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40 if (PtSetResource(window, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_INHERIT, 0)
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41 < 0) {
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42 /* TODO: output error msg */
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43 }
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44
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45 SDL_Unlock_EventThread();
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46 }
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47
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48 SDL_free(cursor);
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49 }
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50
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51 WMcursor *
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52 ph_CreateWMCursor(_THIS, Uint8 * data, Uint8 * mask, int w, int h, int hot_x,
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53 int hot_y)
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54 {
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55 WMcursor *cursor;
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56 int clen, i;
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57 unsigned char bit, databit, maskbit;
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58
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59 /* Allocate and initialize the cursor memory */
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60 if ((cursor = (WMcursor *) SDL_malloc(sizeof(WMcursor))) == NULL) {
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61 SDL_OutOfMemory();
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62 return (NULL);
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63 }
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64 SDL_memset(cursor, 0, sizeof(WMcursor));
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65
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66 cursor->ph_cursor =
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67 (PhCursorDef_t *) SDL_malloc(sizeof(PhCursorDef_t) + 32 * 4 * 2);
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68
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69 if (cursor->ph_cursor == NULL) {
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70 SDL_SetError("ph_CreateWMCursor(): cursor malloc failed !\n");
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71 return NULL;
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72 }
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73
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74 SDL_memset(cursor->ph_cursor, 0, (sizeof(PhCursorDef_t) + 32 * 4 * 2));
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75
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76 cursor->ph_cursor->hdr.type = Ph_RDATA_CURSOR;
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77 cursor->ph_cursor->size1.x = (short) w;
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78 cursor->ph_cursor->size1.y = (short) h;
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79 cursor->ph_cursor->offset1.x = (short) hot_x;
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80 cursor->ph_cursor->offset1.y = (short) hot_y;
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81 cursor->ph_cursor->bytesperline1 = (char) w / 8;
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82 cursor->ph_cursor->color1 = Pg_WHITE;
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83 cursor->ph_cursor->size2.x = (short) w;
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84 cursor->ph_cursor->size2.y = (short) h;
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85 cursor->ph_cursor->offset2.x = (short) hot_x;
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86 cursor->ph_cursor->offset2.y = (short) hot_y;
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87 cursor->ph_cursor->bytesperline2 = (char) w / 8;
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88 cursor->ph_cursor->color2 = Pg_BLACK;
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89
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90 clen = (w / 8) * h;
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91
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92 /* Copy the mask and the data to different bitmap planes */
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93 for (i = 0; i < clen; ++i) {
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94 for (bit = 0; bit < 8; bit++) {
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95 databit = data[i] & (1 << bit);
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96 maskbit = mask[i] & (1 << bit);
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97
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98 cursor->ph_cursor->images[i] |= (databit == 0) ? maskbit : 0;
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99 /* If the databit != 0, treat it as a black pixel and
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100 * ignore the maskbit (can't do an inverted color) */
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101 cursor->ph_cursor->images[i + clen] |= databit;
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102 }
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103 }
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104
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105 /* #bytes following the hdr struct */
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106 cursor->ph_cursor->hdr.len =
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107 sizeof(PhCursorDef_t) + clen * 2 - sizeof(PhRegionDataHdr_t);
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108
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109 return (cursor);
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110 }
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111
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112 PhCursorDef_t
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113 ph_GetWMPhCursor(WMcursor * cursor)
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114 {
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115 return (*cursor->ph_cursor);
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116 }
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117
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118 int
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119 ph_ShowWMCursor(_THIS, WMcursor * cursor)
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120 {
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121 PtArg_t args[3];
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122 int nargs = 0;
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123
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124 /* Don't do anything if the display is gone */
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125 if (window == NULL) {
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126 return (0);
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127 }
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128
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129 /* looks like photon can't draw mouse cursor in direct mode */
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130 if (this->screen->flags & SDL_FULLSCREEN) {
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131 /* disable the fake mouse in the fullscreen OpenGL mode */
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132 if (this->screen->flags & SDL_INTERNALOPENGL) {
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133 cursor = NULL;
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134 } else {
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135 return (0);
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136 }
571
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137 }
0
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138
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139 /* Set the photon cursor, or blank if cursor is NULL */
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140 if (cursor != NULL) {
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141 PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_BITMAP, 0);
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142 /* Could set next to any PgColor_t value */
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143 PtSetArg(&args[1], Pt_ARG_CURSOR_COLOR, Ph_CURSOR_DEFAULT_COLOR, 0);
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144 PtSetArg(&args[2], Pt_ARG_BITMAP_CURSOR, cursor->ph_cursor,
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145 (cursor->ph_cursor->hdr.len + sizeof(PhRegionDataHdr_t)));
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146 nargs = 3;
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147 } else { /* Ph_CURSOR_NONE */
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148
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149 PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_NONE, 0);
571
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150 nargs = 1;
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151 }
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152
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153 SDL_Lock_EventThread();
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154
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155 if (PtSetResources(window, nargs, args) < 0) {
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156 return (0);
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157 }
571
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158
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159 SDL_Unlock_EventThread();
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diff changeset
160
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161 return (1);
0
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162 }
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163
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164
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165 void
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166 ph_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
0
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167 {
315
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168 short abs_x, abs_y;
283
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169
315
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170 SDL_Lock_EventThread();
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171 PtGetAbsPosition(window, &abs_x, &abs_y);
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172 PhMoveCursorAbs(PhInputGroup(NULL), x + abs_x, y + abs_y);
315
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173 SDL_Unlock_EventThread();
0
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174 }
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175
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176
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177 void
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178 ph_CheckMouseMode(_THIS)
0
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179 {
315
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180 /* If the mouse is hidden and input is grabbed, we use relative mode */
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181 if (!(SDL_cursorstate & CURSOR_VISIBLE)
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182 && (this->input_grab != SDL_GRAB_OFF)) {
315
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183 mouse_relative = 1;
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184 } else {
315
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185 mouse_relative = 0;
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186 }
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187 }
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188
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189
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190 void
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191 ph_UpdateMouse(_THIS)
701
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192 {
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193 PhCursorInfo_t phcursor;
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194 short abs_x;
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195 short abs_y;
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196
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197 /* Lock the event thread, in multi-threading environments */
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198 SDL_Lock_EventThread();
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199
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200 /* synchronizing photon mouse cursor position and SDL mouse position, if cursor appears over window. */
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diff changeset
201 PtGetAbsPosition(window, &abs_x, &abs_y);
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202 PhQueryCursor(PhInputGroup(NULL), &phcursor);
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203 if (((phcursor.pos.x >= abs_x)
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diff changeset
204 && (phcursor.pos.x <= abs_x + this->screen->w))
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205 && ((phcursor.pos.y >= abs_y)
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diff changeset
206 && (phcursor.pos.y <= abs_y + this->screen->h))) {
701
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207 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
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208 SDL_PrivateMouseMotion(0, 0, phcursor.pos.x - abs_x,
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diff changeset
209 phcursor.pos.y - abs_y);
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parents: 1402
diff changeset
210 } else {
701
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diff changeset
211 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
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diff changeset
212 }
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diff changeset
213
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diff changeset
214 /* Unlock the event thread, in multi-threading environments */
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
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diff changeset
215 SDL_Unlock_EventThread();
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
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diff changeset
216 }
1895
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217
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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218 /* vi: set ts=4 sw=4 expandtab: */