Mercurial > sdl-ios-xcode

annotate src/video/Xext/Xinerama/Xinerama.c @ 3818:49eadd6e8962 SDL-ryan-multiple-audio-device

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Mangled ALSA dynamic loading...static loading will still work if you have the right libraries, but this is expected to break in general cases as we start dealing with different symbol versions, etc (but may work with, say, distro-specific packages, etc).
author Ryan C. Gordon <icculus@icculus.org>
date Fri, 06 Oct 2006 19:45:11 +0000
parents c121d94672cb
children 81dde1b00bf1
rev   line source
292
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1 /* $Xorg: XPanoramiX.c,v 1.4 2000/08/17 19:45:51 cpqbld Exp $ */
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2 /*****************************************************************
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3 Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
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4 Permission is hereby granted, free of charge, to any person obtaining a copy
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5 of this software and associated documentation files (the "Software"), to deal
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6 in the Software without restriction, including without limitation the rights
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7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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8 copies of the Software.
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9
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10 The above copyright notice and this permission notice shall be included in
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11 all copies or substantial portions of the Software.
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12
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13 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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14 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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15 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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16 DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
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17 BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
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18 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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19 IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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20
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21 Except as contained in this notice, the name of Digital Equipment Corporation
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22 shall not be used in advertising or otherwise to promote the sale, use or other
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23 dealings in this Software without prior written authorization from Digital
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24 Equipment Corporation.
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25 ******************************************************************/
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26 /* $XFree86: xc/lib/Xinerama/Xinerama.c,v 1.2 2001/07/23 17:20:28 dawes Exp $ */
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27
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28 #define NEED_EVENTS
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29 #define NEED_REPLIES
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30
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31 #include <X11/Xlibint.h>
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32 #include <X11/Xutil.h>
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33 #include "../extensions/Xext.h"
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34 #include "../extensions/extutil.h" /* in ../include */
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35 #include "../extensions/panoramiXext.h"
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36 #include "../extensions/panoramiXproto.h" /* in ../include */
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37 #include "../extensions/Xinerama.h"
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38
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39 static XExtensionInfo _panoramiX_ext_info_data;
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40 static XExtensionInfo *panoramiX_ext_info = &_panoramiX_ext_info_data;
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41 static /* const */ char *panoramiX_extension_name = PANORAMIX_PROTOCOL_NAME;
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42
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43 #define PanoramiXCheckExtension(dpy,i,val) \
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44 XextCheckExtension (dpy, i, panoramiX_extension_name, val)
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45 #define PanoramiXSimpleCheckExtension(dpy,i) \
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46 XextSimpleCheckExtension (dpy, i, panoramiX_extension_name)
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47
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48 static int close_display();
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49 static /* const */ XExtensionHooks panoramiX_extension_hooks = {
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50 NULL, /* create_gc */
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51 NULL, /* copy_gc */
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52 NULL, /* flush_gc */
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53 NULL, /* free_gc */
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54 NULL, /* create_font */
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55 NULL, /* free_font */
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56 close_display, /* close_display */
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57 NULL, /* wire_to_event */
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58 NULL, /* event_to_wire */
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59 NULL, /* error */
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60 NULL, /* error_string */
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61 };
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62
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63 static
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64 XEXT_GENERATE_FIND_DISPLAY(find_display, panoramiX_ext_info,
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65 panoramiX_extension_name,
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66 &panoramiX_extension_hooks, 0, NULL)
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67 static XEXT_GENERATE_CLOSE_DISPLAY(close_display, panoramiX_ext_info)
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68 /****************************************************************************
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69 * *
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70 * PanoramiX public interfaces *
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71 * *
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72 ****************************************************************************/
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73 Bool SDL_NAME(XPanoramiXQueryExtension) (Display * dpy,
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74 int *event_basep,
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75 int *error_basep)
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76 {
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77 XExtDisplayInfo *info = find_display(dpy);
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78
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79 if (XextHasExtension(info)) {
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80 *event_basep = info->codes->first_event;
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81 *error_basep = info->codes->first_error;
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82 return True;
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83 } else {
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84 return False;
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85 }
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86 }
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87
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88
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89 Status SDL_NAME(XPanoramiXQueryVersion) (Display * dpy,
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90 int *major_versionp,
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91 int *minor_versionp)
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92 {
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93 XExtDisplayInfo *info = find_display(dpy);
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94 xPanoramiXQueryVersionReply rep;
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95 register xPanoramiXQueryVersionReq *req;
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96
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97 PanoramiXCheckExtension(dpy, info, 0);
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98
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99 LockDisplay(dpy);
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100 GetReq(PanoramiXQueryVersion, req);
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101 req->reqType = info->codes->major_opcode;
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102 req->panoramiXReqType = X_PanoramiXQueryVersion;
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103 req->clientMajor = PANORAMIX_MAJOR_VERSION;
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104 req->clientMinor = PANORAMIX_MINOR_VERSION;
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105 if (!_XReply(dpy, (xReply *) & rep, 0, xTrue)) {
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106 UnlockDisplay(dpy);
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107 SyncHandle();
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108 return 0;
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109 }
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110 *major_versionp = rep.majorVersion;
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111 *minor_versionp = rep.minorVersion;
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112 UnlockDisplay(dpy);
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113 SyncHandle();
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114 return 1;
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115 }
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116
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117 SDL_NAME(XPanoramiXInfo) * SDL_NAME(XPanoramiXAllocInfo) (void)
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118 {
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119 return (SDL_NAME(XPanoramiXInfo) *)
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120 Xmalloc(sizeof(SDL_NAME(XPanoramiXInfo)));
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121 }
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122
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123 Status SDL_NAME(XPanoramiXGetState) (Display * dpy,
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124 Drawable drawable,
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125 SDL_NAME(XPanoramiXInfo) *
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126 panoramiX_info)
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127 {
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128 XExtDisplayInfo *info = find_display(dpy);
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129 xPanoramiXGetStateReply rep;
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130 register xPanoramiXGetStateReq *req;
292
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131
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132 PanoramiXCheckExtension(dpy, info, 0);
292
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133
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134 LockDisplay(dpy);
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135 GetReq(PanoramiXGetState, req);
292
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136 req->reqType = info->codes->major_opcode;
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137 req->panoramiXReqType = X_PanoramiXGetState;
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138 req->window = drawable;
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139 if (!_XReply(dpy, (xReply *) & rep, 0, xTrue)) {
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140 UnlockDisplay(dpy);
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141 SyncHandle();
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142 return 0;
292
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143 }
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144 UnlockDisplay(dpy);
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145 SyncHandle();
292
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146 panoramiX_info->window = rep.window;
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147 panoramiX_info->State = rep.state;
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148 return 1;
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149 }
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150
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151 Status SDL_NAME(XPanoramiXGetScreenCount) (Display * dpy,
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152 Drawable drawable,
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153 SDL_NAME(XPanoramiXInfo) *
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154 panoramiX_info)
292
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155 {
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156 XExtDisplayInfo *info = find_display(dpy);
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157 xPanoramiXGetScreenCountReply rep;
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158 register xPanoramiXGetScreenCountReq *req;
292
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159
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160 PanoramiXCheckExtension(dpy, info, 0);
292
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161
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162 LockDisplay(dpy);
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163 GetReq(PanoramiXGetScreenCount, req);
292
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164 req->reqType = info->codes->major_opcode;
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165 req->panoramiXReqType = X_PanoramiXGetScreenCount;
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166 req->window = drawable;
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167 if (!_XReply(dpy, (xReply *) & rep, 0, xTrue)) {
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168 UnlockDisplay(dpy);
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169 SyncHandle();
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170 return 0;
292
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171 }
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172 UnlockDisplay(dpy);
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173 SyncHandle();
292
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174 panoramiX_info->window = rep.window;
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175 panoramiX_info->ScreenCount = rep.ScreenCount;
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176 return 1;
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177 }
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178
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179 Status SDL_NAME(XPanoramiXGetScreenSize) (Display * dpy,
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180 Drawable drawable,
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181 int screen_num,
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182 SDL_NAME(XPanoramiXInfo) *
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183 panoramiX_info)
292
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184 {
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185 XExtDisplayInfo *info = find_display(dpy);
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186 xPanoramiXGetScreenSizeReply rep;
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187 register xPanoramiXGetScreenSizeReq *req;
292
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188
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189 PanoramiXCheckExtension(dpy, info, 0);
292
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190
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191 LockDisplay(dpy);
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192 GetReq(PanoramiXGetScreenSize, req);
292
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193 req->reqType = info->codes->major_opcode;
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194 req->panoramiXReqType = X_PanoramiXGetScreenSize;
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195 req->window = drawable;
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196 req->screen = screen_num; /* need to define */
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197 if (!_XReply(dpy, (xReply *) & rep, 0, xTrue)) {
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198 UnlockDisplay(dpy);
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199 SyncHandle();
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200 return 0;
292
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201 }
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202 UnlockDisplay(dpy);
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203 SyncHandle();
292
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diff changeset
204 panoramiX_info->window = rep.window;
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diff changeset
205 panoramiX_info->screen = rep.screen;
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206 panoramiX_info->width = rep.width;
292
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diff changeset
207 panoramiX_info->height = rep.height;
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208 return 1;
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diff changeset
209 }
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210
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
211 /*******************************************************************\
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diff changeset
212 Alternate interface to make up for shortcomings in the original,
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
213 namely, the omission of the screen origin. The new interface is
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
214 in the "Xinerama" namespace instead of "PanoramiX".
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diff changeset
215 \*******************************************************************/
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diff changeset
216
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217 Bool SDL_NAME(XineramaQueryExtension) (Display * dpy,
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218 int *event_base, int *error_base)
292
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diff changeset
219 {
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220 return SDL_NAME(XPanoramiXQueryExtension) (dpy, event_base, error_base);
292
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diff changeset
221 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents:
diff changeset
222
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223 Status SDL_NAME(XineramaQueryVersion) (Display * dpy, int *major, int *minor)
292
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diff changeset
224 {
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225 return SDL_NAME(XPanoramiXQueryVersion) (dpy, major, minor);
292
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diff changeset
226 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
227
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228 Bool SDL_NAME(XineramaIsActive) (Display * dpy)
292
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diff changeset
229 {
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230 xXineramaIsActiveReply rep;
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231 xXineramaIsActiveReq *req;
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232 XExtDisplayInfo *info = find_display(dpy);
292
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diff changeset
233
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234 if (!XextHasExtension(info))
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235 return False; /* server doesn't even have the extension */
292
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parents:
diff changeset
236
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237 LockDisplay(dpy);
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238 GetReq(XineramaIsActive, req);
292
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parents:
diff changeset
239 req->reqType = info->codes->major_opcode;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents:
diff changeset
240 req->panoramiXReqType = X_XineramaIsActive;
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241 if (!_XReply(dpy, (xReply *) & rep, 0, xTrue)) {
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diff changeset
242 UnlockDisplay(dpy);
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diff changeset
243 SyncHandle();
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244 return False;
292
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parents:
diff changeset
245 }
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246 UnlockDisplay(dpy);
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247 SyncHandle();
292
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parents:
diff changeset
248 return rep.state;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents:
diff changeset
250
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents:
diff changeset
251 #include <stdio.h>
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diff changeset
252
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diff changeset
253 SDL_NAME(XineramaScreenInfo) *
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254 SDL_NAME(XineramaQueryScreens) (Display * dpy, int *number)
292
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parents:
diff changeset
255 {
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256 XExtDisplayInfo *info = find_display(dpy);
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257 xXineramaQueryScreensReply rep;
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258 xXineramaQueryScreensReq *req;
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259 SDL_NAME(XineramaScreenInfo) * scrnInfo = NULL;
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260
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261 PanoramiXCheckExtension(dpy, info, 0);
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262
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263 LockDisplay(dpy);
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264 GetReq(XineramaQueryScreens, req);
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265 req->reqType = info->codes->major_opcode;
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266 req->panoramiXReqType = X_XineramaQueryScreens;
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267 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
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268 UnlockDisplay(dpy);
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269 SyncHandle();
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270 return NULL;
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271 }
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272
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273 if (rep.number) {
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274 if ((scrnInfo =
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275 Xmalloc(sizeof(SDL_NAME(XineramaScreenInfo)) * rep.number))) {
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276 xXineramaScreenInfo scratch;
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277 int i;
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278
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279 for (i = 0; i < rep.number; i++) {
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280 _XRead(dpy, (char *) (&scratch), sz_XineramaScreenInfo);
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281 scrnInfo[i].screen_number = i;
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282 scrnInfo[i].x_org = scratch.x_org;
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283 scrnInfo[i].y_org = scratch.y_org;
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284 scrnInfo[i].width = scratch.width;
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285 scrnInfo[i].height = scratch.height;
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286 }
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287
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288 *number = rep.number;
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289 } else
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290 _XEatData(dpy, rep.length << 2);
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291 }
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292
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293 UnlockDisplay(dpy);
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294 SyncHandle();
292
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295 return scrnInfo;
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296 }
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297
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298 /* vi: set ts=4 sw=4 expandtab: */