annotate include/SDL_syswm.h @ 5172:ededa1ccf91c

Switched the SDL 1.2 compatibility to use the window surface, so it's fast even when there's no hardware acceleration available. This means that the YUV overlay now uses software, but that's okay since fast YUV code should be using the textures now anyway.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 03 Feb 2011 21:13:55 -0800
parents 7e4c7790700e
children 164f20ba08eb
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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 #if defined(SDL_VIDEO_DRIVER_WINDOWS)
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58 #define WIN32_LEAN_AND_MEAN
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59 #include <windows.h>
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60 #endif
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61
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62 /* This is the structure for custom window manager events */
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63 #if defined(SDL_VIDEO_DRIVER_X11)
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64 #if defined(__APPLE__) && defined(__MACH__)
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65 /* conflicts with Quickdraw.h */
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66 #define Cursor X11Cursor
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67 #endif
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68
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69 #include <X11/Xlib.h>
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70 #include <X11/Xatom.h>
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71
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72 #if defined(__APPLE__) && defined(__MACH__)
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73 /* matches the re-define above */
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74 #undef Cursor
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75 #endif
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76
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77 #endif /* defined(SDL_VIDEO_DRIVER_X11) */
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78
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79 #if defined(SDL_VIDEO_DRIVER_DIRECTFB)
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80 #include <directfb/directfb.h>
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81 #endif
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82
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83 #if defined(SDL_VIDEO_DRIVER_COCOA)
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84 #ifdef __OBJC__
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85 #include <Cocoa/Cocoa.h>
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86 #else
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87 typedef struct _NSWindow NSWindow;
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88 #endif
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89 #endif
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90
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91 #if defined(SDL_VIDEO_DRIVER_UIKIT)
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92 #ifdef __OBJC__
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93 #include <UIKit/UIKit.h>
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94 #else
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95 typedef struct _UIWindow UIWindow;
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96 #endif
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97 #endif
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98
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99 /**
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100 * These are the various supported windowing subsystems
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101 */
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102 typedef enum
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103 {
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104 SDL_SYSWM_UNKNOWN,
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105 SDL_SYSWM_WINDOWS,
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106 SDL_SYSWM_X11,
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107 SDL_SYSWM_DIRECTFB,
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108 SDL_SYSWM_COCOA,
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109 SDL_SYSWM_UIKIT,
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110 } SDL_SYSWM_TYPE;
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111
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112 /**
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113 * The custom event structure.
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114 */
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115 struct SDL_SysWMmsg
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116 {
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117 SDL_version version;
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118 SDL_SYSWM_TYPE subsystem;
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119 union
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120 {
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121 #if defined(SDL_VIDEO_DRIVER_WINDOWS)
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122 struct {
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123 HWND hwnd; /**< The window for the message */
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124 UINT msg; /**< The type of message */
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125 WPARAM wParam; /**< WORD message parameter */
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126 LPARAM lParam; /**< LONG message parameter */
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127 } win;
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128 #endif
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129 #if defined(SDL_VIDEO_DRIVER_X11)
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130 struct {
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131 XEvent event;
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132 } x11;
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133 #endif
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134 #if defined(SDL_VIDEO_DRIVER_DIRECTFB)
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135 struct {
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136 DFBEvent event;
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137 } dfb;
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138 #endif
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139 #if defined(SDL_VIDEO_DRIVER_COCOA)
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140 struct
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141 {
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142 /* No Cocoa window events yet */
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143 } cocoa;
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144 #endif
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145 #if defined(SDL_VIDEO_DRIVER_UIKIT)
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146 struct
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147 {
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148 /* No UIKit window events yet */
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149 } uikit;
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150 #endif
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151 /* Can't have an empty union */
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152 int dummy;
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153 } msg;
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154 };
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155
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156 /**
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157 * The custom window manager information structure.
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158 *
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159 * When this structure is returned, it holds information about which
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160 * low level system it is using, and will be one of SDL_SYSWM_TYPE.
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161 */
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162 struct SDL_SysWMinfo
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163 {
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164 SDL_version version;
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165 SDL_SYSWM_TYPE subsystem;
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166 union
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167 {
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168 #if defined(SDL_VIDEO_DRIVER_WINDOWS)
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169 struct
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170 {
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171 HWND window; /**< The window handle */
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172 } win;
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173 #endif
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174 #if defined(SDL_VIDEO_DRIVER_X11)
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175 struct
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176 {
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177 Display *display; /**< The X11 display */
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178 Window window; /**< The X11 window */
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179 } x11;
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180 #endif
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181 #if defined(SDL_VIDEO_DRIVER_DIRECTFB)
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182 struct
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183 {
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184 IDirectFB *dfb; /**< The directfb main interface */
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185 IDirectFBWindow *window; /**< The directfb window handle */
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186 IDirectFBSurface *surface; /**< The directfb client surface */
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187 } dfb;
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188 #endif
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189 #if defined(SDL_VIDEO_DRIVER_COCOA)
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190 struct
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191 {
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192 NSWindow *window; /* The Cocoa window */
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193 } cocoa;
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194 #endif
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195 #if defined(SDL_VIDEO_DRIVER_UIKIT)
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196 struct
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197 {
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198 UIWindow *window; /* The UIKit window */
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199 } uikit;
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200 #endif
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201 /* Can't have an empty union */
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202 int dummy;
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203 } info;
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204 };
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205
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206 #endif /* SDL_PROTOTYPES_ONLY */
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207
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208 typedef struct SDL_SysWMinfo SDL_SysWMinfo;
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209
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210 /* Function prototypes */
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211 /**
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212 * \brief This function allows access to driver-dependent window information.
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213 *
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214 * \param window The window about which information is being requested
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215 * \param info This structure must be initialized with the SDL version, and is
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216 * then filled in with information about the given window.
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217 *
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218 * \return SDL_TRUE if the function is implemented and the version member of
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219 * the \c info struct is valid, SDL_FALSE otherwise.
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220 *
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221 * You typically use this function like this:
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222 * \code
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223 * SDL_SysWMinfo info;
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224 * SDL_VERSION(&info.version);
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225 * if ( SDL_GetWindowWMInfo(&info) ) { ... }
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226 * \endcode
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227 */
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228 extern DECLSPEC SDL_bool SDLCALL SDL_GetWindowWMInfo(SDL_Window * window,
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229 SDL_SysWMinfo * info);
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230
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231
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232 /* Ends C function definitions when using C++ */
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233 #ifdef __cplusplus
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234 /* *INDENT-OFF* */
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235 }
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236 /* *INDENT-ON* */
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237 #endif
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238 #include "close_code.h"
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239
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240 #endif /* _SDL_syswm_h */
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241
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242 /* vi: set ts=4 sw=4 expandtab: */