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1 /* |
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2 * Copyright 1993-2001 by Xi Graphics, Inc. |
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3 * All Rights Reserved. |
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4 * |
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5 * Please see the LICENSE file accompanying this distribution for licensing |
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6 * information. |
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7 * |
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8 * Please send any bug fixes and modifications to src@xig.com. |
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9 * |
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10 * $XiGId: xme.c,v 1.2 2001/11/30 21:56:59 jon Exp $ |
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11 * |
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12 */ |
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13 |
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14 #define NEED_EVENTS |
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15 #define NEED_REPLIES |
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16 |
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17 #include <X11/Xlibint.h> |
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18 #include <X11/Xthreads.h> |
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19 #include <X11/Xmd.h> |
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20 #include <X11/Xproto.h> |
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21 #include "../extensions/Xext.h" |
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22 #include "../extensions/extutil.h" |
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23 |
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24 /*****************************************************************************/ |
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25 |
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26 |
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27 #define XIGMISC_PROTOCOL_NAME "XiG-SUNDRY-NONSTANDARD" |
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28 #define XIGMISC_MAJOR_VERSION 2 |
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29 #define XIGMISC_MINOR_VERSION 0 |
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30 |
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31 #define XiGMiscNumberEvents 0 |
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32 |
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33 #define X_XiGMiscQueryVersion 0 |
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34 #define X_XiGMiscQueryViews 1 |
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35 #define X_XiGMiscQueryResolutions 2 |
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36 #define X_XiGMiscChangeResolution 3 |
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37 #define X_XiGMiscFullScreen 4 |
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38 |
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39 #define sz_xXiGMiscQueryVersionReq 8 |
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40 #define sz_xXiGMiscQueryViewsReq 8 |
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41 #define sz_xXiGMiscQueryResolutionsReq 8 |
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42 #define sz_xXiGMiscChangeResolutionReq 16 |
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43 #define sz_xXiGMiscFullScreenReq 16 |
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44 |
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45 #define sz_xXiGMiscQueryVersionReply 32 |
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46 #define sz_xXiGMiscQueryViewsReply 32 |
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47 #define sz_xXiGMiscQueryResolutionsReply 32 |
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48 #define sz_xXiGMiscQueryFullScreenReply 32 |
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49 |
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50 /*******************************************************************/ |
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51 |
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52 typedef struct { |
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53 CARD8 reqType; /* always codes->major_opcode */ |
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54 CARD8 xigmiscReqType; /* always X_XiGMiscQueryVersion */ |
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55 CARD16 length; |
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56 CARD16 major; |
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57 CARD16 minor; |
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58 } xXiGMiscQueryVersionReq; |
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59 |
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60 typedef struct { |
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61 CARD8 reqType; /* always codes->major_opcode */ |
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62 CARD8 xigmiscReqType; /* always X_XiGMiscQueryViews */ |
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63 CARD16 length; |
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64 CARD8 screen; |
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65 CARD8 pad0; |
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66 CARD16 pad1; |
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67 } xXiGMiscQueryViewsReq; |
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68 |
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69 typedef struct { |
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70 CARD8 reqType; /* always codes->major_opcode */ |
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71 CARD8 xigmiscReqType; /* always X_XiGMiscQueryResolutions */ |
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72 CARD16 length; |
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73 CARD8 screen; |
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74 CARD8 view; |
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75 CARD16 pad0; |
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76 } xXiGMiscQueryResolutionsReq; |
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77 |
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78 typedef struct { |
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79 CARD8 reqType; /* always codes->major_opcode */ |
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80 CARD8 xigmiscReqType; /* always X_XiGMiscChangeResolution */ |
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81 CARD16 length; |
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82 CARD8 screen; |
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83 CARD8 view; |
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84 CARD16 pad0; |
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85 CARD16 width; |
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86 CARD16 height; |
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87 INT32 refresh; |
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88 } xXiGMiscChangeResolutionReq; |
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89 |
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90 typedef struct { |
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91 CARD8 reqType; /* always codes->major_opcode */ |
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92 CARD8 xigmiscReqType; /* always X_XiGMiscFullScreen */ |
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93 CARD16 length; |
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94 CARD8 screen; |
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95 CARD8 pad0; |
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96 CARD16 pad1; |
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97 CARD32 window; |
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98 CARD32 cmap; |
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99 } xXiGMiscFullScreenReq; |
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100 |
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101 /*******************************************************************/ |
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102 |
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103 typedef struct { |
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104 BYTE type; /* X_Reply */ |
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105 CARD8 pad0; |
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106 CARD16 sequenceNumber; |
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107 CARD32 length; |
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108 CARD16 major; |
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109 CARD16 minor; |
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110 CARD32 pad1; |
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111 CARD32 pad2; |
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112 CARD32 pad3; |
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113 CARD32 pad4; |
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114 CARD32 pad5; |
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115 } xXiGMiscQueryVersionReply; |
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116 |
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117 typedef struct { |
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118 BYTE type; /* X_Reply */ |
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119 CARD8 pad0; |
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120 CARD16 sequenceNumber; |
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121 CARD32 length; |
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122 CARD32 nviews; |
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123 CARD32 pad1; |
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124 CARD32 pad2; |
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125 CARD32 pad3; |
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126 CARD32 pad4; |
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127 CARD32 pad5; |
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128 } xXiGMiscQueryViewsReply; |
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129 |
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130 typedef struct { |
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131 BYTE type; /* X_Reply */ |
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132 CARD8 pad0; |
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133 CARD16 sequenceNumber; |
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134 CARD32 length; |
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135 CARD16 active; |
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136 CARD16 nresolutions; |
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137 CARD32 pad1; |
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138 CARD32 pad2; |
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139 CARD32 pad3; |
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140 CARD32 pad4; |
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141 CARD32 pad5; |
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142 } xXiGMiscQueryResolutionsReply; |
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143 |
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144 typedef struct { |
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145 BYTE type; /* X_Reply */ |
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146 BOOL success; |
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147 CARD16 sequenceNumber; |
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148 CARD32 length; |
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149 CARD32 pad1; |
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150 CARD32 pad2; |
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151 CARD32 pad3; |
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152 CARD32 pad4; |
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153 CARD32 pad5; |
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154 CARD32 pad6; |
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155 } xXiGMiscFullScreenReply; |
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156 |
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157 /*******************************************************************/ |
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158 |
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159 typedef struct { |
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160 INT16 x; |
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161 INT16 y; |
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162 CARD16 w; |
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163 CARD16 h; |
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164 } XiGMiscViewInfo; |
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165 |
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166 typedef struct { |
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167 CARD16 width; |
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168 CARD16 height; |
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169 INT32 refresh; |
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170 } XiGMiscResolutionInfo; |
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171 |
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172 /*****************************************************************************/ |
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173 |
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174 static XExtensionInfo *xigmisc_info = NULL; |
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175 static char *xigmisc_extension_name = XIGMISC_PROTOCOL_NAME; |
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176 |
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177 #define XiGMiscCheckExtension(dpy,i,val) \ |
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178 XextCheckExtension (dpy, i, xigmisc_extension_name, val) |
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179 #define XiGMiscSimpleCheckExtension(dpy,i) \ |
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180 XextSimpleCheckExtension (dpy, i, xigmisc_extension_name) |
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181 |
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182 #if defined(__STDC__) && !defined(UNIXCPP) |
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183 #define XiGMiscGetReq(name,req,info) GetReq (name, req); \ |
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184 req->reqType = info->codes->major_opcode; \ |
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185 req->xigmiscReqType = X_##name; |
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186 |
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187 #define XiGMiscGetReqExtra(name,n,req,info) GetReqExtra (name, n, req); \ |
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188 req->reqType = info->codes->major_opcode; \ |
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189 req->xigmicReqType = X_##name; |
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190 #else |
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191 #define XiGMiscGetReq(name,req,info) GetReq (name, req); \ |
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192 req->reqType = info->codes->major_opcode; \ |
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193 req->xigmiscReqType = X_/**/name; |
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194 #define XiGMiscGetReqExtra(name,n,req,info) GetReqExtra (name, n, req); \ |
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195 req->reqType = info->codes->major_opcode; \ |
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196 req->xigmiscReqType = X_/**/name; |
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197 #endif |
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198 |
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199 |
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200 |
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201 /* |
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202 * find_display - locate the display info block |
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203 */ |
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204 static int XiGMiscCloseDisplay(); |
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205 |
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206 static XExtensionHooks xigmisc_extension_hooks = { |
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207 NULL, /* create_gc */ |
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208 NULL, /* copy_gc */ |
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209 NULL, /* flush_gc */ |
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210 NULL, /* free_gc */ |
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211 NULL, /* create_font */ |
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212 NULL, /* free_font */ |
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213 XiGMiscCloseDisplay, /* close_display */ |
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214 NULL, /* wire_to_event */ |
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215 NULL, /* event_to_wire */ |
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216 NULL, /* error */ |
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217 NULL, /* error_string */ |
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218 }; |
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219 |
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220 |
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221 static XEXT_GENERATE_CLOSE_DISPLAY (XiGMiscCloseDisplay, xigmisc_info) |
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222 |
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223 static XEXT_GENERATE_FIND_DISPLAY (XiGMiscFindDisplay, xigmisc_info, |
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224 xigmisc_extension_name, |
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225 &xigmisc_extension_hooks, XiGMiscNumberEvents, NULL) |
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226 |
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227 |
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228 /*****************************************************************************/ |
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229 |
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230 Bool XiGMiscQueryVersion(Display *dpy, int *major, int *minor) |
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231 { |
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232 int opcode, event, error; |
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233 xXiGMiscQueryVersionReq *req; |
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234 xXiGMiscQueryVersionReply rep; |
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235 XExtDisplayInfo *info = XiGMiscFindDisplay(dpy); |
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236 |
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237 if (!XQueryExtension(dpy, XIGMISC_PROTOCOL_NAME, &opcode, &event, &error)) |
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238 return xFalse; |
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239 |
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240 XiGMiscCheckExtension(dpy, info, xFalse); |
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241 |
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242 LockDisplay (dpy); |
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243 XiGMiscGetReq (XiGMiscQueryVersion, req, info); |
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244 |
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245 req->major = XIGMISC_MAJOR_VERSION; |
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246 req->minor = XIGMISC_MINOR_VERSION; |
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247 |
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248 if (!_XReply (dpy, (xReply *)&rep, 0, xTrue)) { |
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249 UnlockDisplay(dpy); |
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250 SyncHandle(); |
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251 return xFalse; |
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252 } |
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253 |
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254 *major = rep.major; |
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255 *minor = rep.minor; |
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256 UnlockDisplay(dpy); |
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257 SyncHandle(); |
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258 |
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259 return xTrue; |
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260 } |
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261 |
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262 int XiGMiscQueryViews(Display *dpy, int screen, XiGMiscViewInfo **pviews) |
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263 { |
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264 int n, size; |
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265 XiGMiscViewInfo *views; |
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266 xXiGMiscQueryViewsReq *req; |
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267 xXiGMiscQueryViewsReply rep; |
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268 XExtDisplayInfo *info = XiGMiscFindDisplay(dpy); |
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269 XiGMiscCheckExtension(dpy, info, 0); |
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270 |
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271 LockDisplay (dpy); |
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272 XiGMiscGetReq (XiGMiscQueryViews, req, info); |
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273 req->screen = screen; |
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274 |
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275 if (!_XReply (dpy, (xReply *)&rep, 0, xFalse)) { |
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276 UnlockDisplay(dpy); |
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277 SyncHandle(); |
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278 return 0; |
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279 } |
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280 |
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281 n = rep.nviews; |
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282 |
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283 if (n > 0) { |
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284 size = sizeof(XiGMiscViewInfo) * n; |
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285 views = (XiGMiscViewInfo*)Xmalloc(size); |
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286 if (!views) { |
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287 _XEatData(dpy, (unsigned long)size); |
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288 UnlockDisplay(dpy); |
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289 SyncHandle(); |
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290 return 0; |
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291 } |
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292 |
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293 _XReadPad(dpy, (void*)views, size); |
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294 |
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295 *pviews = views; |
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296 } |
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297 |
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298 UnlockDisplay(dpy); |
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299 SyncHandle(); |
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300 |
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301 return n; |
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302 } |
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303 |
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304 int XiGMiscQueryResolutions(Display *dpy, int screen, int view, int *pactive, XiGMiscResolutionInfo **presolutions) |
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305 { |
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306 int n, size; |
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307 XiGMiscResolutionInfo *resolutions; |
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308 xXiGMiscQueryResolutionsReq *req; |
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309 xXiGMiscQueryResolutionsReply rep; |
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310 XExtDisplayInfo *info = XiGMiscFindDisplay(dpy); |
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311 XiGMiscCheckExtension(dpy, info, 0); |
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312 |
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313 LockDisplay (dpy); |
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314 XiGMiscGetReq (XiGMiscQueryResolutions, req, info); |
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315 req->screen = screen; |
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316 req->view = view; |
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317 |
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318 if (!_XReply (dpy, (xReply *)&rep, 0, xFalse)) { |
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319 UnlockDisplay(dpy); |
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320 SyncHandle(); |
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321 return 0; |
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322 } |
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323 |
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324 n = rep.nresolutions; |
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325 |
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326 if (n > 0) { |
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327 size = sizeof(XiGMiscResolutionInfo) * n; |
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328 resolutions = (XiGMiscResolutionInfo*)Xmalloc(size); |
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329 if (!resolutions) { |
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330 _XEatData(dpy, (unsigned long)size); |
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331 UnlockDisplay(dpy); |
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332 SyncHandle(); |
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333 return 0; |
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334 } |
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335 |
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336 _XReadPad(dpy, (void*)resolutions, size); |
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337 |
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338 *presolutions = resolutions; |
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339 *pactive = rep.active; |
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340 } |
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341 |
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342 UnlockDisplay(dpy); |
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343 SyncHandle(); |
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344 |
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345 return n; |
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346 } |
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347 |
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348 void XiGMiscChangeResolution(Display *dpy, int screen, int view, int width, int height, int refresh) |
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349 { |
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350 xXiGMiscChangeResolutionReq *req; |
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351 XExtDisplayInfo *info = XiGMiscFindDisplay(dpy); |
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352 |
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353 XiGMiscSimpleCheckExtension(dpy, info); |
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354 |
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355 LockDisplay (dpy); |
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356 XiGMiscGetReq (XiGMiscChangeResolution, req, info); |
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357 req->screen = screen; |
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358 req->view = view; |
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359 req->width = width; |
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360 req->height = height; |
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361 req->refresh = refresh; |
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362 |
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363 UnlockDisplay(dpy); |
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364 SyncHandle(); |
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365 } |
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366 |
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367 |
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368 Bool XiGMiscFullScreen(Display *dpy, int screen, XID window, XID cmap) |
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369 { |
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370 xXiGMiscFullScreenReq *req; |
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371 xXiGMiscFullScreenReply rep; |
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372 XExtDisplayInfo *info = XiGMiscFindDisplay(dpy); |
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373 |
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374 XiGMiscCheckExtension(dpy, info, xFalse); |
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375 |
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376 LockDisplay (dpy); |
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377 XiGMiscGetReq (XiGMiscFullScreen, req, info); |
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378 req->screen = screen; |
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379 req->pad0 = 0; |
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380 req->pad1 = 0; |
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381 req->window = window; |
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382 req->cmap = cmap; |
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383 |
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384 if (!_XReply (dpy, (xReply *)&rep, 0, xTrue)) { |
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385 UnlockDisplay(dpy); |
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386 SyncHandle(); |
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387 return xFalse; |
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388 } |
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389 |
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390 UnlockDisplay(dpy); |
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391 SyncHandle(); |
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392 |
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393 return (rep.success ? xTrue : xFalse); |
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394 } |
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395 |
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396 |
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397 /* SDL addition from Ryan: free memory used by xme. */ |
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398 void XiGMiscDestroy(void) |
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399 { |
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400 if (xigmisc_info) { |
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401 XextDestroyExtension(xigmisc_info); |
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402 xigmisc_info = NULL; |
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403 } |
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404 } |
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405 |