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annotate src/video/Xext/Xinerama/Xinerama.c @ 1554:0ca607a5d173

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Fixed bug #84 Date: Sun, 23 Oct 2005 16:39:03 +0200 From: "A. Schmid" <sahib@phreaker.net> Subject: [SDL] no software surfaces with svgalib driver? Hi, I noticed that the SDL (1.2.9) svgalib driver only makes use of linear addressable (framebuffer) video modes. On older systems (like one of mine), linear addressable modes are often not available. Especially for cards with VESA VBE < 2.0 the svgalib vesa driver is unusable, since VESA only supports framebuffering for VBE 2.0 and later. The changes necessary to add support for software surfaces seem to be relatively small. I only had to hack src/video/svga/SDL_svgavideo.c (see attached patch). The code worked fine for me, but it is no more than a proof of concept and should be reviewed (probably has a memory leak when switching modes). It also uses the vgagl library (included in the svgalib package) and needs to be linked against it. -Alex
author Sam Lantinga <slouken@libsdl.org>
date Sun, 19 Mar 2006 12:04:40 +0000
parents 6fd39b50dd91
children 3ba88cb7eb1b
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/SDL_x11dyn.h"
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32
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33 /*#include <X11/Xlibint.h>*/
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34 #include <X11/Xutil.h>
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35 #include <X11/extensions/Xext.h> /* in ../include */
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36 #include "../extensions/extutil.h" /* in ../include */
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37 #include "../extensions/panoramiXext.h"
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38 #include "../extensions/panoramiXproto.h" /* in ../include */
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39 #include "../extensions/Xinerama.h"
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40
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41 static XExtensionInfo _panoramiX_ext_info_data;
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42 static XExtensionInfo *panoramiX_ext_info = &_panoramiX_ext_info_data;
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43 static /* const */ char *panoramiX_extension_name = PANORAMIX_PROTOCOL_NAME;
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44
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45 #define PanoramiXCheckExtension(dpy,i,val) \
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46 XextCheckExtension (dpy, i, panoramiX_extension_name, val)
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47 #define PanoramiXSimpleCheckExtension(dpy,i) \
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48 XextSimpleCheckExtension (dpy, i, panoramiX_extension_name)
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49
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50 static int close_display();
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51 static /* const */ XExtensionHooks panoramiX_extension_hooks = {
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52 NULL, /* create_gc */
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53 NULL, /* copy_gc */
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54 NULL, /* flush_gc */
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55 NULL, /* free_gc */
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56 NULL, /* create_font */
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57 NULL, /* free_font */
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58 close_display, /* close_display */
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59 NULL, /* wire_to_event */
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60 NULL, /* event_to_wire */
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61 NULL, /* error */
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62 NULL, /* error_string */
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63 };
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64
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65 static XEXT_GENERATE_FIND_DISPLAY (find_display, panoramiX_ext_info,
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66 panoramiX_extension_name,
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67 &panoramiX_extension_hooks,
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68 0, NULL)
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69
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70 static XEXT_GENERATE_CLOSE_DISPLAY (close_display, panoramiX_ext_info)
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71
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72
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73
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74 /****************************************************************************
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75 * *
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76 * PanoramiX public interfaces *
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77 * *
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78 ****************************************************************************/
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79
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80 Bool SDL_NAME(XPanoramiXQueryExtension) (
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81 Display *dpy,
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82 int *event_basep,
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83 int *error_basep
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84 )
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85 {
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86 XExtDisplayInfo *info = find_display (dpy);
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87
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88 if (XextHasExtension(info)) {
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89 *event_basep = info->codes->first_event;
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90 *error_basep = info->codes->first_error;
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91 return True;
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92 } else {
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93 return False;
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94 }
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95 }
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96
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97
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98 Status SDL_NAME(XPanoramiXQueryVersion)(
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99 Display *dpy,
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100 int *major_versionp,
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101 int *minor_versionp
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102 )
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103 {
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104 XExtDisplayInfo *info = find_display (dpy);
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105 xPanoramiXQueryVersionReply rep;
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106 register xPanoramiXQueryVersionReq *req;
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107
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108 PanoramiXCheckExtension (dpy, info, 0);
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109
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110 LockDisplay (dpy);
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111 GetReq (PanoramiXQueryVersion, req);
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112 req->reqType = info->codes->major_opcode;
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113 req->panoramiXReqType = X_PanoramiXQueryVersion;
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114 req->clientMajor = PANORAMIX_MAJOR_VERSION;
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115 req->clientMinor = PANORAMIX_MINOR_VERSION;
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116 if (!p_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
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117 UnlockDisplay (dpy);
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118 SyncHandle ();
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119 return 0;
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120 }
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121 *major_versionp = rep.majorVersion;
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122 *minor_versionp = rep.minorVersion;
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123 UnlockDisplay (dpy);
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124 SyncHandle ();
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125 return 1;
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126 }
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127
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128 SDL_NAME(XPanoramiXInfo) *SDL_NAME(XPanoramiXAllocInfo)(void)
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129 {
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130 return (SDL_NAME(XPanoramiXInfo) *) Xmalloc (sizeof (SDL_NAME(XPanoramiXInfo)));
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131 }
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132
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133 Status SDL_NAME(XPanoramiXGetState) (
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134 Display *dpy,
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135 Drawable drawable,
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
136 SDL_NAME(XPanoramiXInfo) *panoramiX_info
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137 )
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
138 {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139 XExtDisplayInfo *info = find_display (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 xPanoramiXGetStateReply rep;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 register xPanoramiXGetStateReq *req;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 PanoramiXCheckExtension (dpy, info, 0);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 LockDisplay (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 GetReq (PanoramiXGetState, req);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 req->reqType = info->codes->major_opcode;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 req->panoramiXReqType = X_PanoramiXGetState;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 req->window = drawable;
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 292
diff changeset
150 if (!p_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 UnlockDisplay (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 SyncHandle ();
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 return 0;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 UnlockDisplay (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 SyncHandle ();
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 panoramiX_info->window = rep.window;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 panoramiX_info->State = rep.state;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 return 1;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 Status SDL_NAME(XPanoramiXGetScreenCount) (
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 Display *dpy,
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 Drawable drawable,
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 SDL_NAME(XPanoramiXInfo) *panoramiX_info
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 )
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 XExtDisplayInfo *info = find_display (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 xPanoramiXGetScreenCountReply rep;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 register xPanoramiXGetScreenCountReq *req;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 PanoramiXCheckExtension (dpy, info, 0);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 LockDisplay (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 GetReq (PanoramiXGetScreenCount, req);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 req->reqType = info->codes->major_opcode;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 req->panoramiXReqType = X_PanoramiXGetScreenCount;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 req->window = drawable;
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 292
diff changeset
179 if (!p_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 UnlockDisplay (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 SyncHandle ();
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 return 0;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 UnlockDisplay (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 SyncHandle ();
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 panoramiX_info->window = rep.window;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 panoramiX_info->ScreenCount = rep.ScreenCount;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 return 1;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 Status SDL_NAME(XPanoramiXGetScreenSize) (
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 Display *dpy,
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 Drawable drawable,
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 int screen_num,
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 SDL_NAME(XPanoramiXInfo) *panoramiX_info
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 )
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 XExtDisplayInfo *info = find_display (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 xPanoramiXGetScreenSizeReply rep;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 register xPanoramiXGetScreenSizeReq *req;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 PanoramiXCheckExtension (dpy, info, 0);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 LockDisplay (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 GetReq (PanoramiXGetScreenSize, req);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 req->reqType = info->codes->major_opcode;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 req->panoramiXReqType = X_PanoramiXGetScreenSize;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 req->window = drawable;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 req->screen = screen_num; /* need to define */
1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 292
diff changeset
210 if (!p_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 UnlockDisplay (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 SyncHandle ();
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 return 0;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 UnlockDisplay (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 SyncHandle ();
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 panoramiX_info->window = rep.window;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 panoramiX_info->screen = rep.screen;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 panoramiX_info->width = rep.width;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 panoramiX_info->height = rep.height;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 return 1;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 /*******************************************************************\
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 Alternate interface to make up for shortcomings in the original,
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 namely, the omission of the screen origin. The new interface is
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 in the "Xinerama" namespace instead of "PanoramiX".
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 \*******************************************************************/
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 Bool SDL_NAME(XineramaQueryExtension) (
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 Display *dpy,
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 int *event_base,
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 int *error_base
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 )
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 return SDL_NAME(XPanoramiXQueryExtension)(dpy, event_base, error_base);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 Status SDL_NAME(XineramaQueryVersion)(
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 Display *dpy,
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 int *major,
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 int *minor
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 )
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 return SDL_NAME(XPanoramiXQueryVersion)(dpy, major, minor);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 Bool SDL_NAME(XineramaIsActive)(Display *dpy)
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 xXineramaIsActiveReply rep;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 xXineramaIsActiveReq *req;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 XExtDisplayInfo *info = find_display (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 if(!XextHasExtension(info))
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 return False; /* server doesn't even have the extension */
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 LockDisplay (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 GetReq (XineramaIsActive, req);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 req->reqType = info->codes->major_opcode;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 req->panoramiXReqType = X_XineramaIsActive;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 UnlockDisplay (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 SyncHandle ();
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 return False;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 UnlockDisplay (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 SyncHandle ();
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 return rep.state;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 #include <stdio.h>
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 SDL_NAME(XineramaScreenInfo) *
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 SDL_NAME(XineramaQueryScreens)(
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 Display *dpy,
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 int *number
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 )
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 XExtDisplayInfo *info = find_display (dpy);
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 xXineramaQueryScreensReply rep;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 xXineramaQueryScreensReq *req;
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282 SDL_NAME(XineramaScreenInfo) *scrnInfo = NULL;
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283
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284 PanoramiXCheckExtension (dpy, info, 0);
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285
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286 LockDisplay (dpy);
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287 GetReq (XineramaQueryScreens, req);
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288 req->reqType = info->codes->major_opcode;
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289 req->panoramiXReqType = X_XineramaQueryScreens;
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290 if (!p_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
292
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291 UnlockDisplay (dpy);
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292 SyncHandle ();
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293 return NULL;
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294 }
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295
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296 if(rep.number) {
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297 if((scrnInfo = Xmalloc(sizeof(SDL_NAME(XineramaScreenInfo)) * rep.number))) {
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298 xXineramaScreenInfo scratch;
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299 int i;
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300
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301 for(i = 0; i < rep.number; i++) {
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302 p_XRead(dpy, (char*)(&scratch), sz_XineramaScreenInfo);
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303 scrnInfo[i].screen_number = i;
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304 scrnInfo[i].x_org = scratch.x_org;
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305 scrnInfo[i].y_org = scratch.y_org;
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306 scrnInfo[i].width = scratch.width;
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307 scrnInfo[i].height = scratch.height;
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308 }
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309
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310 *number = rep.number;
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311 } else
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312 p_XEatData(dpy, rep.length << 2);
292
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313 }
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314
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315 UnlockDisplay (dpy);
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316 SyncHandle ();
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317 return scrnInfo;
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318 }
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319
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320
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321