Mercurial > sdl-ios-xcode

annotate src/video/Xext/Xinerama/Xinerama.c @ 4495:dbbfdb9ea716

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Simplified clipboard API for sanity's sake. A complete clipboard implementation would support multiple formats that could be queried at runtime, events for when the clipboard contents changed, support for HTML, images, etc. We're not going that crazy, at least for now. :)
author Sam Lantinga <slouken@libsdl.org>
date Wed, 07 Jul 2010 23:54:03 -0700
parents 81dde1b00bf1
children
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 /* Apparently some X11 systems can't include this multiple times... */
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32 #ifndef SDL_INCLUDED_XLIBINT_H
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33 #define SDL_INCLUDED_XLIBINT_H 1
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34 #include <X11/Xlibint.h>
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35 #endif
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36
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37 #include <X11/Xutil.h>
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38 #include "../extensions/Xext.h"
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39 #include "../extensions/extutil.h" /* in ../include */
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40 #include "../extensions/panoramiXext.h"
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41 #include "../extensions/panoramiXproto.h" /* in ../include */
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42 #include "../extensions/Xinerama.h"
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43
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44 static XExtensionInfo _panoramiX_ext_info_data;
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45 static XExtensionInfo *panoramiX_ext_info = &_panoramiX_ext_info_data;
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46 static /* const */ char *panoramiX_extension_name = PANORAMIX_PROTOCOL_NAME;
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47
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48 #define PanoramiXCheckExtension(dpy,i,val) \
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49 XextCheckExtension (dpy, i, panoramiX_extension_name, val)
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50 #define PanoramiXSimpleCheckExtension(dpy,i) \
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51 XextSimpleCheckExtension (dpy, i, panoramiX_extension_name)
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52
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53 static int close_display();
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54 static /* const */ XExtensionHooks panoramiX_extension_hooks = {
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55 NULL, /* create_gc */
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56 NULL, /* copy_gc */
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57 NULL, /* flush_gc */
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58 NULL, /* free_gc */
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59 NULL, /* create_font */
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60 NULL, /* free_font */
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61 close_display, /* close_display */
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62 NULL, /* wire_to_event */
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63 NULL, /* event_to_wire */
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64 NULL, /* error */
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65 NULL, /* error_string */
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66 };
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67
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68 static
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69 XEXT_GENERATE_FIND_DISPLAY(find_display, panoramiX_ext_info,
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70 panoramiX_extension_name,
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71 &panoramiX_extension_hooks, 0, NULL)
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72 static XEXT_GENERATE_CLOSE_DISPLAY(close_display, panoramiX_ext_info)
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73 /****************************************************************************
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74 * *
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75 * PanoramiX public interfaces *
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76 * *
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77 ****************************************************************************/
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78 Bool SDL_NAME(XPanoramiXQueryExtension) (Display * dpy,
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79 int *event_basep,
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80 int *error_basep)
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81 {
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82 XExtDisplayInfo *info = find_display(dpy);
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83
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84 if (XextHasExtension(info)) {
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85 *event_basep = info->codes->first_event;
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86 *error_basep = info->codes->first_error;
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87 return True;
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88 } else {
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89 return False;
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90 }
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91 }
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92
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93
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94 Status SDL_NAME(XPanoramiXQueryVersion) (Display * dpy,
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95 int *major_versionp,
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96 int *minor_versionp)
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97 {
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98 XExtDisplayInfo *info = find_display(dpy);
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99 xPanoramiXQueryVersionReply rep;
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100 register xPanoramiXQueryVersionReq *req;
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101
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102 PanoramiXCheckExtension(dpy, info, 0);
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103
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104 LockDisplay(dpy);
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105 GetReq(PanoramiXQueryVersion, req);
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106 req->reqType = info->codes->major_opcode;
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107 req->panoramiXReqType = X_PanoramiXQueryVersion;
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108 req->clientMajor = PANORAMIX_MAJOR_VERSION;
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109 req->clientMinor = PANORAMIX_MINOR_VERSION;
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110 if (!_XReply(dpy, (xReply *) & rep, 0, xTrue)) {
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111 UnlockDisplay(dpy);
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112 SyncHandle();
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113 return 0;
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114 }
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115 *major_versionp = rep.majorVersion;
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116 *minor_versionp = rep.minorVersion;
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117 UnlockDisplay(dpy);
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118 SyncHandle();
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119 return 1;
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120 }
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121
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122 SDL_NAME(XPanoramiXInfo) * SDL_NAME(XPanoramiXAllocInfo) (void)
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123 {
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124 return (SDL_NAME(XPanoramiXInfo) *)
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125 Xmalloc(sizeof(SDL_NAME(XPanoramiXInfo)));
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126 }
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127
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128 Status SDL_NAME(XPanoramiXGetState) (Display * dpy,
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129 Drawable drawable,
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130 SDL_NAME(XPanoramiXInfo) *
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131 panoramiX_info)
292
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132 {
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133 XExtDisplayInfo *info = find_display(dpy);
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134 xPanoramiXGetStateReply rep;
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135 register xPanoramiXGetStateReq *req;
292
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136
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137 PanoramiXCheckExtension(dpy, info, 0);
292
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diff changeset
138
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139 LockDisplay(dpy);
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140 GetReq(PanoramiXGetState, req);
292
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141 req->reqType = info->codes->major_opcode;
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142 req->panoramiXReqType = X_PanoramiXGetState;
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143 req->window = drawable;
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144 if (!_XReply(dpy, (xReply *) & rep, 0, xTrue)) {
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145 UnlockDisplay(dpy);
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146 SyncHandle();
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147 return 0;
292
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148 }
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149 UnlockDisplay(dpy);
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150 SyncHandle();
292
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151 panoramiX_info->window = rep.window;
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diff changeset
152 panoramiX_info->State = rep.state;
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153 return 1;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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154 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
155
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156 Status SDL_NAME(XPanoramiXGetScreenCount) (Display * dpy,
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157 Drawable drawable,
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158 SDL_NAME(XPanoramiXInfo) *
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159 panoramiX_info)
292
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160 {
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161 XExtDisplayInfo *info = find_display(dpy);
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162 xPanoramiXGetScreenCountReply rep;
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163 register xPanoramiXGetScreenCountReq *req;
292
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164
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165 PanoramiXCheckExtension(dpy, info, 0);
292
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166
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167 LockDisplay(dpy);
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168 GetReq(PanoramiXGetScreenCount, req);
292
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169 req->reqType = info->codes->major_opcode;
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170 req->panoramiXReqType = X_PanoramiXGetScreenCount;
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171 req->window = drawable;
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172 if (!_XReply(dpy, (xReply *) & rep, 0, xTrue)) {
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173 UnlockDisplay(dpy);
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174 SyncHandle();
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175 return 0;
292
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176 }
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177 UnlockDisplay(dpy);
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178 SyncHandle();
292
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179 panoramiX_info->window = rep.window;
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180 panoramiX_info->ScreenCount = rep.ScreenCount;
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181 return 1;
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182 }
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183
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184 Status SDL_NAME(XPanoramiXGetScreenSize) (Display * dpy,
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185 Drawable drawable,
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186 int screen_num,
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187 SDL_NAME(XPanoramiXInfo) *
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188 panoramiX_info)
292
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189 {
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190 XExtDisplayInfo *info = find_display(dpy);
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191 xPanoramiXGetScreenSizeReply rep;
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192 register xPanoramiXGetScreenSizeReq *req;
292
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193
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194 PanoramiXCheckExtension(dpy, info, 0);
292
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195
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196 LockDisplay(dpy);
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197 GetReq(PanoramiXGetScreenSize, req);
292
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198 req->reqType = info->codes->major_opcode;
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199 req->panoramiXReqType = X_PanoramiXGetScreenSize;
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200 req->window = drawable;
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201 req->screen = screen_num; /* need to define */
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202 if (!_XReply(dpy, (xReply *) & rep, 0, xTrue)) {
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203 UnlockDisplay(dpy);
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204 SyncHandle();
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205 return 0;
292
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diff changeset
206 }
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207 UnlockDisplay(dpy);
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208 SyncHandle();
292
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diff changeset
209 panoramiX_info->window = rep.window;
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diff changeset
210 panoramiX_info->screen = rep.screen;
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211 panoramiX_info->width = rep.width;
292
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diff changeset
212 panoramiX_info->height = rep.height;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
213 return 1;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
214 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
215
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
216 /*******************************************************************\
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
217 Alternate interface to make up for shortcomings in the original,
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
218 namely, the omission of the screen origin. The new interface is
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
219 in the "Xinerama" namespace instead of "PanoramiX".
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220 \*******************************************************************/
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diff changeset
221
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222 Bool SDL_NAME(XineramaQueryExtension) (Display * dpy,
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223 int *event_base, int *error_base)
292
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diff changeset
224 {
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225 return SDL_NAME(XPanoramiXQueryExtension) (dpy, event_base, error_base);
292
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diff changeset
226 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents:
diff changeset
227
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228 Status SDL_NAME(XineramaQueryVersion) (Display * dpy, int *major, int *minor)
292
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diff changeset
229 {
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230 return SDL_NAME(XPanoramiXQueryVersion) (dpy, major, minor);
292
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parents:
diff changeset
231 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
232
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233 Bool SDL_NAME(XineramaIsActive) (Display * dpy)
292
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diff changeset
234 {
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235 xXineramaIsActiveReply rep;
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236 xXineramaIsActiveReq *req;
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237 XExtDisplayInfo *info = find_display(dpy);
292
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diff changeset
238
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diff changeset
239 if (!XextHasExtension(info))
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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240 return False; /* server doesn't even have the extension */
292
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parents:
diff changeset
241
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diff changeset
242 LockDisplay(dpy);
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diff changeset
243 GetReq(XineramaIsActive, req);
292
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parents:
diff changeset
244 req->reqType = info->codes->major_opcode;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
245 req->panoramiXReqType = X_XineramaIsActive;
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diff changeset
246 if (!_XReply(dpy, (xReply *) & rep, 0, xTrue)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
247 UnlockDisplay(dpy);
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diff changeset
248 SyncHandle();
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249 return False;
292
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parents:
diff changeset
250 }
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251 UnlockDisplay(dpy);
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diff changeset
252 SyncHandle();
292
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parents:
diff changeset
253 return rep.state;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255
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256 #include <stdio.h>
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257
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258 SDL_NAME(XineramaScreenInfo) *
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259 SDL_NAME(XineramaQueryScreens) (Display * dpy, int *number)
292
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260 {
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261 XExtDisplayInfo *info = find_display(dpy);
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262 xXineramaQueryScreensReply rep;
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263 xXineramaQueryScreensReq *req;
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264 SDL_NAME(XineramaScreenInfo) * scrnInfo = NULL;
292
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265
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266 PanoramiXCheckExtension(dpy, info, 0);
292
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267
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268 LockDisplay(dpy);
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269 GetReq(XineramaQueryScreens, req);
292
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270 req->reqType = info->codes->major_opcode;
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271 req->panoramiXReqType = X_XineramaQueryScreens;
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272 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
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273 UnlockDisplay(dpy);
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274 SyncHandle();
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275 return NULL;
292
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276 }
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277
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278 if (rep.number) {
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279 if ((scrnInfo =
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280 Xmalloc(sizeof(SDL_NAME(XineramaScreenInfo)) * rep.number))) {
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281 xXineramaScreenInfo scratch;
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282 int i;
292
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283
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284 for (i = 0; i < rep.number; i++) {
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285 _XRead(dpy, (char *) (&scratch), sz_XineramaScreenInfo);
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286 scrnInfo[i].screen_number = i;
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287 scrnInfo[i].x_org = scratch.x_org;
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288 scrnInfo[i].y_org = scratch.y_org;
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289 scrnInfo[i].width = scratch.width;
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290 scrnInfo[i].height = scratch.height;
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291 }
292
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292
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293 *number = rep.number;
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294 } else
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295 _XEatData(dpy, rep.length << 2);
292
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296 }
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297
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298 UnlockDisplay(dpy);
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299 SyncHandle();
292
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300 return scrnInfo;
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301 }
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302
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303 /* vi: set ts=4 sw=4 expandtab: */