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annotate include/SDL_syswm.h @ 4590:1ad70fb49fcb

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Fix so many things that there is little place in this column to list them all but the result is that blending modes just work now for drawing primitives. Fixes involved: 1. Fix handling of alpha channel when SDL_BLENDMODE_NONE is set. 2. Make xrendercolor use floating-point values for color channels and then convert to 16 bit ints. 3. Fix handling of visuals in SDL_x11modes.c so that a 32 bit ARGB visual is used. 4. Fix the background pixel value in SDL_x11window.c so that the window background has an alpha value of 0xFF and not 0.
author Sunny Sachanandani <sunnysachanandani@gmail.com>
date Fri, 09 Jul 2010 21:36:41 +0530
parents f7b03b6838cb
children 6f8175ad0335
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /**
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24 * \file SDL_syswm.h
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25 *
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26 * Include file for SDL custom system window manager hooks.
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27 */
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28
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29 #ifndef _SDL_syswm_h
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30 #define _SDL_syswm_h
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31
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32 #include "SDL_stdinc.h"
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33 #include "SDL_error.h"
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34 #include "SDL_video.h"
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35 #include "SDL_version.h"
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36
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37 #include "begin_code.h"
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38 /* Set up for C function definitions, even when using C++ */
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39 #ifdef __cplusplus
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40 /* *INDENT-OFF* */
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41 extern "C" {
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42 /* *INDENT-ON* */
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43 #endif
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44
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45 /**
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46 * \file SDL_syswm.h
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47 *
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48 * Your application has access to a special type of event ::SDL_SYSWMEVENT,
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49 * which contains window-manager specific information and arrives whenever
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50 * an unhandled window event occurs. This event is ignored by default, but
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51 * you can enable it with SDL_EventState().
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52 */
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53 #ifdef SDL_PROTOTYPES_ONLY
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54 struct SDL_SysWMinfo;
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55 #else
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56
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57 /* This is the structure for custom window manager events */
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58 #if defined(SDL_VIDEO_DRIVER_X11)
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59 #if defined(__APPLE__) && defined(__MACH__)
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60 /* conflicts with Quickdraw.h */
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61 #define Cursor X11Cursor
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62 #endif
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63
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64 #include <X11/Xlib.h>
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65 #include <X11/Xatom.h>
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66
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67 #if defined(__APPLE__) && defined(__MACH__)
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68 /* matches the re-define above */
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69 #undef Cursor
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70 #endif
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71
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72 /**
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73 * These are the various supported subsystems under UNIX.
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74 */
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75 typedef enum
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76 {
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77 SDL_SYSWM_X11
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78 } SDL_SYSWM_TYPE;
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79
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80 /**
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81 * The UNIX custom event structure.
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82 */
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83 struct SDL_SysWMmsg
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84 {
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85 SDL_version version;
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86 SDL_SYSWM_TYPE subsystem;
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87 union
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88 {
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89 XEvent xevent;
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90 } event;
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91 };
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92
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93 /**
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94 * The UNIX custom window manager information structure.
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95 *
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96 * When this structure is returned, it holds information about which
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97 * low level system it is using, and will be one of SDL_SYSWM_TYPE.
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98 */
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99 struct SDL_SysWMinfo
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100 {
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101 SDL_version version;
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102 SDL_SYSWM_TYPE subsystem;
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103 union
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104 {
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105 struct
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106 {
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107 Display *display; /**< The X11 display */
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108 Window window; /**< The X11 display window */
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109 /**
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110 * These locking functions should be called around
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111 * any X11 functions using the display variable.
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112 * They lock the event thread, so should not be
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113 * called around event functions or from event filters.
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114 */
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115 /*@{*/
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116 void (*lock_func) (void);
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117 void (*unlock_func) (void);
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118 /*@}*/
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119
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120 /**
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121 * Introduced in SDL 1.0.2.
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122 */
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123 /*@{*/
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124 Window fswindow; /**< The X11 fullscreen window */
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125 Window wmwindow; /**< The X11 managed input window */
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126 /*@}*/
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127 } x11;
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128 } info;
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129 };
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130
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131 #elif defined(SDL_VIDEO_DRIVER_WIN32)
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132 #define WIN32_LEAN_AND_MEAN
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133 #include <windows.h>
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134
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135 /**
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136 * The windows custom event structure.
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137 */
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138 struct SDL_SysWMmsg
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139 {
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140 SDL_version version;
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141 HWND hwnd; /**< The window for the message */
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142 UINT msg; /**< The type of message */
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143 WPARAM wParam; /**< WORD message parameter */
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144 LPARAM lParam; /**< LONG message parameter */
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145 };
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146
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147 /**
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148 * The windows custom window manager information structure.
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149 */
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150 struct SDL_SysWMinfo
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151 {
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152 SDL_version version;
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153 HWND window; /**< The Win32 display window */
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154 };
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155
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156 #elif defined(SDL_VIDEO_DRIVER_RISCOS)
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157
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158 /**
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159 * RISC OS custom event structure.
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160 */
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161 struct SDL_SysWMmsg
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162 {
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163 SDL_version version;
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164 int eventCode; /**< The window for the message */
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165 int pollBlock[64];
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166 };
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167
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168 /**
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169 * The RISC OS custom window manager information structure.
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170 */
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171 struct SDL_SysWMinfo
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172 {
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173 SDL_version version;
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174 int wimpVersion; /**< Wimp version running under */
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175 int taskHandle; /**< The RISC OS task handle */
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176 int window; /**< The RISC OS display window */
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177 };
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178
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179 #elif defined(SDL_VIDEO_DRIVER_PHOTON) || defined(SDL_VIDEO_DRIVER_QNXGF)
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180 #include <sys/neutrino.h>
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181 #if defined(SDL_VIDEO_OPENGL_ES)
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182 #include <gf/gf.h>
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183 #endif /* SDL_VIDEO_OPENGL_ES */
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184 #include <Ph.h>
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185
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186 /**
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187 * The QNX custom event structure.
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188 */
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189 struct SDL_SysWMmsg
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190 {
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191 SDL_version version;
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192 int data;
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193 };
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194
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195 /**
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196 * The QNX Photon custom window manager information structure.
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197 */
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198 struct SDL_SysWMinfo
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199 {
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200 SDL_version version;
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201 int data;
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202 };
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203
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204 #else
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205
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206 /**
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207 * The generic custom event structure.
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208 */
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209 struct SDL_SysWMmsg
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210 {
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211 SDL_version version;
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212 int data;
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213 };
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214
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215 /**
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216 * The generic custom window manager information structure.
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217 */
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218 struct SDL_SysWMinfo
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219 {
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220 SDL_version version;
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221 int data;
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222 };
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223
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224 #endif /* video driver type */
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225
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226 #endif /* SDL_PROTOTYPES_ONLY */
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227
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228 typedef struct SDL_SysWMinfo SDL_SysWMinfo;
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229
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230 /* Function prototypes */
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231 /**
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232 * \brief This function allows access to driver-dependent window information.
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233 *
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234 * \param windowID The window about which information is being requested
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235 * \param info This structure must be initialized with the SDL version, and is
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236 * then filled in with information about the given window.
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237 *
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238 * \return SDL_TRUE if the function is implemented and the version member of
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239 * the \c info struct is valid, SDL_FALSE otherwise.
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240 *
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241 * You typically use this function like this:
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242 * \code
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243 * SDL_SysWMInfo info;
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244 * SDL_VERSION(&info.version);
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245 * if ( SDL_GetWindowWMInfo(&info) ) { ... }
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246 * \endcode
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247 */
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248 extern DECLSPEC SDL_bool SDLCALL SDL_GetWindowWMInfo(SDL_Window * window,
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249 SDL_SysWMinfo * info);
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250
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251
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252 /* Ends C function definitions when using C++ */
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253 #ifdef __cplusplus
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254 /* *INDENT-OFF* */
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255 }
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256 /* *INDENT-ON* */
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257 #endif
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258 #include "close_code.h"
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259
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260 #endif /* _SDL_syswm_h */
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261
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262 /* vi: set ts=4 sw=4 expandtab: */