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annotate src/video/photon/SDL_ph_mouse.c @ 699:d3b2e93629eb

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Fixed some bugs in the Nano-X video driver
author Sam Lantinga <slouken@libsdl.org>
date Sat, 30 Aug 2003 09:06:37 +0000
parents 8bedd6d61642
children aaf3b8af6616
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, 1998, 1999, 2000, 2001, 2002 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
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #include <stdlib.h>
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29 #include <stdio.h>
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30 #include <string.h>
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31
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32 #include "SDL_error.h"
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33 #include "SDL_mouse.h"
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34 #include "SDL_events_c.h"
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35 #include "SDL_cursor_c.h"
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36 #include "SDL_ph_mouse_c.h"
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37
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38 struct WMcursor
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39 {
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40 PhCursorDef_t *ph_cursor ;
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41 };
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42
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43 void ph_FreeWMCursor(_THIS, WMcursor *cursor)
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44 {
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45 if (window != NULL)
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46 {
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47 SDL_Lock_EventThread();
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48
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49 if (PtSetResource(window, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_INHERIT, 0) < 0)
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50 {
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51 /* TODO: output error msg */
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52 }
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53
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54 SDL_Unlock_EventThread();
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55 }
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56
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57 free(cursor);
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58 }
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59
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60 WMcursor *ph_CreateWMCursor(_THIS, Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y)
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61 {
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62 WMcursor* cursor;
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63 int clen, i;
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64 unsigned char bit, databit, maskbit;
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65
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66 /* Allocate and initialize the cursor memory */
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67 if ((cursor = (WMcursor*)malloc(sizeof(WMcursor))) == NULL)
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68 {
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69 SDL_OutOfMemory();
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70 return(NULL);
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71 }
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72 memset(cursor,0,sizeof(WMcursor));
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73
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74 cursor->ph_cursor = (PhCursorDef_t *) malloc(sizeof(PhCursorDef_t) + 32*4*2);
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75
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76 if (cursor->ph_cursor == NULL)
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77 {
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78 SDL_SetError("ph_CreateWMCursor(): cursor malloc failed !\n");
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79 return NULL;
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80 }
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81
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82 memset(cursor->ph_cursor,0,(sizeof(PhCursorDef_t) + 32*4*2));
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83
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84 cursor->ph_cursor->hdr.type =Ph_RDATA_CURSOR;
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85 cursor->ph_cursor->size1.x = (short)w;
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86 cursor->ph_cursor->size1.y = (short)h;
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87 cursor->ph_cursor->offset1.x = (short)hot_x;
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88 cursor->ph_cursor->offset1.y = (short)hot_y;
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89 cursor->ph_cursor->bytesperline1 = (char)w/8;
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90 cursor->ph_cursor->color1 = Pg_WHITE;
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91 cursor->ph_cursor->size2.x = (short)w;
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92 cursor->ph_cursor->size2.y = (short)h;
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93 cursor->ph_cursor->offset2.x = (short)hot_x;
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94 cursor->ph_cursor->offset2.y = (short)hot_y;
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95 cursor->ph_cursor->bytesperline2 = (char)w/8;
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96 cursor->ph_cursor->color2 = Pg_BLACK;
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97
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98 clen = (w/8)*h;
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99
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100 /* Copy the mask and the data to different bitmap planes */
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101 for (i=0; i<clen; ++i)
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102 {
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103 for (bit = 0; bit < 8; bit++)
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104 {
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105 databit = data[i] & (1 << bit);
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106 maskbit = mask[i] & (1 << bit);
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107
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108 cursor->ph_cursor->images[i] |= (databit == 0) ? maskbit : 0;
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109 /* If the databit != 0, treat it as a black pixel and
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110 * ignore the maskbit (can't do an inverted color) */
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111 cursor->ph_cursor->images[i+clen] |= databit;
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112 }
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113 }
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114
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115 /* #bytes following the hdr struct */
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116 cursor->ph_cursor->hdr.len =sizeof(PhCursorDef_t) + clen*2 - sizeof(PhRegionDataHdr_t);
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117
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118 return (cursor);
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119 }
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120
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121 PhCursorDef_t ph_GetWMPhCursor(WMcursor *cursor)
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122 {
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123 return(*cursor->ph_cursor);
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124 }
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125
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126 int ph_ShowWMCursor(_THIS, WMcursor *cursor)
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127 {
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128 PtArg_t args[3];
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129 int nargs = 0;
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130
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131 /* Don't do anything if the display is gone */
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132 if (window == NULL)
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133 {
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134 return (0);
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135 }
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136
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137 /* looks like photon can't draw mouse cursor in direct mode */
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138 if ((this->screen->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN)
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139 {
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140 return (0);
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141 }
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142
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143 /* Set the photon cursor, or blank if cursor is NULL */
571
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144 if (cursor!=NULL)
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145 {
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146 PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_BITMAP, 0);
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147 /* Could set next to any PgColor_t value */
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148 PtSetArg(&args[1], Pt_ARG_CURSOR_COLOR, Ph_CURSOR_DEFAULT_COLOR , 0);
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149 PtSetArg(&args[2], Pt_ARG_BITMAP_CURSOR, cursor->ph_cursor, (cursor->ph_cursor->hdr.len + sizeof(PhRegionDataHdr_t)));
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150 nargs = 3;
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151 }
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152 else /* Ph_CURSOR_NONE */
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153 {
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154 PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_NONE, 0);
571
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155 nargs = 1;
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156 }
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157
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158 SDL_Lock_EventThread();
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159
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160 if (PtSetResources(window, nargs, args) < 0 )
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161 {
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162 return (0);
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163 }
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164
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165 SDL_Unlock_EventThread();
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166
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167 return (1);
0
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168 }
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169
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170 void ph_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
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171 {
315
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172 short abs_x, abs_y;
283
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173
315
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174 SDL_Lock_EventThread();
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175 PtGetAbsPosition( window, &abs_x, &abs_y );
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176 PhMoveCursorAbs( PhInputGroup(NULL), x + abs_x, y + abs_y );
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177 SDL_Unlock_EventThread();
0
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178 }
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179
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180
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181 void ph_CheckMouseMode(_THIS)
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182 {
315
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183 /* If the mouse is hidden and input is grabbed, we use relative mode */
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184 if ( !(SDL_cursorstate & CURSOR_VISIBLE) && (this->input_grab != SDL_GRAB_OFF))
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185 {
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186 mouse_relative = 1;
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187 }
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188 else
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189 {
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190 mouse_relative = 0;
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191 }
0
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192 }