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annotate src/video/quartz/SDL_QuartzWindow.m @ 1747:e75d0cbcf3c8

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author Sam Lantinga <slouken@libsdl.org>
date Sat, 29 Apr 2006 17:56:06 +0000
parents ef4a796e7f24
children e49147870aac c121d94672cb b8f2db95145e
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2003 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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 #include "SDL_config.h"
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23
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24 #include "SDL_QuartzVideo.h"
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25 #include "SDL_QuartzWindow.h"
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26
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27 /*
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28 This function makes the *SDL region* of the window 100% opaque.
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29 The genie effect uses the alpha component. Otherwise,
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30 it doesn't seem to matter what value it has.
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31 */
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32 static void QZ_SetPortAlphaOpaque () {
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33
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34 SDL_Surface *surface = current_video->screen;
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35 int bpp;
272
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36
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37 bpp = surface->format->BitsPerPixel;
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38
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39 if (bpp == 32) {
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40
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41 Uint32 *pixels = (Uint32*) surface->pixels;
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42 Uint32 rowPixels = surface->pitch / 4;
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43 Uint32 i, j;
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44
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45 for (i = 0; i < surface->h; i++)
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46 for (j = 0; j < surface->w; j++) {
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47
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48 pixels[ (i * rowPixels) + j ] |= 0xFF000000;
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49 }
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50 }
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51 }
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52
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53 @implementation SDL_QuartzWindow
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54
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55 /* we override these methods to fix the miniaturize animation/dock icon bug */
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56 - (void)miniaturize:(id)sender
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57 {
272
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58 if (SDL_VideoSurface->flags & SDL_OPENGL) {
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59
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60 /*
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61 Future: Grab framebuffer and put into NSImage
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62 [ qz_window setMiniwindowImage:image ];
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63 */
272
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64 }
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65 else {
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66
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67 /* make the alpha channel opaque so anim won't have holes in it */
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68 QZ_SetPortAlphaOpaque ();
272
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69 }
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70
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71 /* window is hidden now */
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72 SDL_PrivateAppActive (0, SDL_APPACTIVE);
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73
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74 [ super miniaturize:sender ];
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75 }
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76
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77 - (void)display
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78 {
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79 /*
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80 This method fires just before the window deminaturizes from the Dock.
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81
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82 We'll save the current visible surface, let the window manager redraw any
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83 UI elements, and restore the SDL surface. This way, no expose event
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84 is required, and the deminiaturize works perfectly.
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85 */
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86 SDL_VideoDevice *this = (SDL_VideoDevice*)current_video;
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87
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88 /* make sure pixels are fully opaque */
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89 if (! ( SDL_VideoSurface->flags & SDL_OPENGL ) )
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90 QZ_SetPortAlphaOpaque ();
683
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91
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92 /* save current visible SDL surface */
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93 [ self cacheImageInRect:[ window_view frame ] ];
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94
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95 /* let the window manager redraw controls, border, etc */
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96 [ super display ];
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97
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98 /* restore visible SDL surface */
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99 [ self restoreCachedImage ];
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100
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101 /* window is visible again */
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102 SDL_PrivateAppActive (1, SDL_APPACTIVE);
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103 }
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104
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105 - (void)setFrame:(NSRect)frameRect display:(BOOL)flag
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106 {
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107
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108 /*
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109 If the video surface is NULL, this originated from QZ_SetVideoMode,
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110 so don't send the resize event.
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111 */
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112 SDL_VideoDevice *this = (SDL_VideoDevice*)current_video;
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113
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114 if (this && SDL_VideoSurface == NULL) {
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115
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116 [ super setFrame:frameRect display:flag ];
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117 }
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118 else if (this && qz_window) {
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119
683
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120 NSRect newViewFrame;
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121
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122 [ super setFrame:frameRect display:flag ];
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123
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124 newViewFrame = [ window_view frame ];
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125
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126 SDL_PrivateResize (newViewFrame.size.width, newViewFrame.size.height);
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127
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128 /* If not OpenGL, we have to update the pixels and pitch */
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129 if ( ! ( SDL_VideoSurface->flags & SDL_OPENGL ) ) {
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130
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131 CGrafPtr thePort = [ window_view qdPort ];
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132 LockPortBits ( thePort );
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133
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134 SDL_VideoSurface->pixels = GetPixBaseAddr ( GetPortPixMap ( thePort ) );
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135 SDL_VideoSurface->pitch = GetPixRowBytes ( GetPortPixMap ( thePort ) );
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136
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137 /*
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138 SDL_VideoSurface->pixels now points to the window's pixels
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139 We want it to point to the *view's* pixels
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140 */
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141 {
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142 int vOffset = [ qz_window frame ].size.height -
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143 newViewFrame.size.height - newViewFrame.origin.y;
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144
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145 int hOffset = newViewFrame.origin.x;
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146
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147 SDL_VideoSurface->pixels = (Uint8 *)SDL_VideoSurface->pixels + (vOffset * SDL_VideoSurface->pitch) + hOffset * (device_bpp/8);
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148 }
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149
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150 UnlockPortBits ( thePort );
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151 }
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152 }
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153 }
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154
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155 - (void)appDidHide:(NSNotification*)note
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156 {
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157 SDL_PrivateAppActive (0, SDL_APPACTIVE);
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158 }
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159
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160 - (void)appWillUnhide:(NSNotification*)note
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161 {
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162 SDL_VideoDevice *this = (SDL_VideoDevice*)current_video;
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163
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164 if ( this ) {
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165
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166 /* make sure pixels are fully opaque */
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167 if (! ( SDL_VideoSurface->flags & SDL_OPENGL ) )
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168 QZ_SetPortAlphaOpaque ();
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169
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170 /* save current visible SDL surface */
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171 [ self cacheImageInRect:[ window_view frame ] ];
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172 }
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173 }
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174
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175 - (void)appDidUnhide:(NSNotification*)note
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176 {
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177 /* restore cached image, since it may not be current, post expose event too */
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178 [ self restoreCachedImage ];
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179
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180 /*SDL_PrivateExpose ();*/
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181
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182 SDL_PrivateAppActive (1, SDL_APPACTIVE);
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183 }
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184
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185 - (id)initWithContentRect:(NSRect)contentRect styleMask:(unsigned int)styleMask backing:(NSBackingStoreType)backingType defer:(BOOL)flag
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186 {
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187 /* Make our window subclass receive these application notifications */
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188 [ [ NSNotificationCenter defaultCenter ] addObserver:self
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189 selector:@selector(appDidHide:) name:NSApplicationDidHideNotification object:NSApp ];
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190
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191 [ [ NSNotificationCenter defaultCenter ] addObserver:self
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192 selector:@selector(appDidUnhide:) name:NSApplicationDidUnhideNotification object:NSApp ];
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193
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194 [ [ NSNotificationCenter defaultCenter ] addObserver:self
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195 selector:@selector(appWillUnhide:) name:NSApplicationWillUnhideNotification object:NSApp ];
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196
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197 return [ super initWithContentRect:contentRect styleMask:styleMask backing:backingType defer:flag ];
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198 }
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199
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200 @end
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201
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202 @implementation SDL_QuartzWindowDelegate
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203 - (BOOL)windowShouldClose:(id)sender
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204 {
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205 SDL_PrivateQuit();
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206 return NO;
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207 }
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208
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209 - (void)windowDidBecomeKey:(NSNotification *)aNotification
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210 {
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211 QZ_DoActivate (current_video);
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212 }
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213
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214 - (void)windowDidResignKey:(NSNotification *)aNotification
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215 {
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216 QZ_DoDeactivate (current_video);
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217 }
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218
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219 @end