annotate src/video/quartz/SDL_QuartzVideo.h @ 643:564716cfb502

Removed direct dependency on OpenGL (call current_video->glGetString() instead of glGetString() directly)...otherwise we'd have to explicitly link to a libGL. --ryan.
author Ryan C. Gordon <icculus@icculus.org>
date Tue, 01 Jul 2003 16:35:54 +0000
parents 7ec821f3cbd0
children 864e2d2a9a55
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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
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23 /*
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24 @file SDL_QuartzVideo.h
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25 @author Darrell Walisser, Max Horn, et al.
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26
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27 @abstract SDL video driver for Mac OS X.
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28
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29 @discussion
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30
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31 TODO
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32 - Hardware Cursor support with NSCursor instead of Carbon
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33 - Keyboard repeat/mouse speed adjust (if needed)
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34 - Multiple monitor support (currently only main display)
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35 - Accelerated blitting support
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36 - Fix white OpenGL window on minimize (fixed) (update: broken again on 10.2)
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37 - Find out what events should be sent/ignored if window is minimized
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38 - Find a way to deal with external resolution/depth switch while app is running
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39 - Resizeable windows (done)
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40 - Check accuracy of QZ_SetGamma()
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41 Problems:
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42 - OGL not working in full screen with software renderer
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43 - SetColors sets palette correctly but clears framebuffer
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44 - Crash in CG after several mode switches (I think this has been fixed)
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45 - Retained windows don't draw their title bar quite right (OS Bug) (not using retained windows)
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46 - Cursor in 8 bit modes is screwy (might just be Radeon PCI bug) (update: not just Radeon)
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47 - Warping cursor delays mouse events for a fraction of a second,
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48 there is a hack around this that helps a bit
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49 */
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50
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51 #include <Cocoa/Cocoa.h>
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52 #include <OpenGL/OpenGL.h>
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53 #include <Carbon/Carbon.h>
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54 #include <QuickTime/QuickTime.h>
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55 #include <IOKit/IOKitLib.h> /* For powersave handling */
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56 #include <pthread.h>
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57
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58 #include "SDL_thread.h"
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59 #include "SDL_video.h"
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60 #include "SDL_error.h"
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61 #include "SDL_timer.h"
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62 #include "SDL_syswm.h"
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63 #include "SDL_sysvideo.h"
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64 #include "SDL_pixels_c.h"
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65 #include "SDL_events_c.h"
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66
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67 /*
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68 Add methods to get at private members of NSScreen.
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69 Since there is a bug in Apple's screen switching code
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70 that does not update this variable when switching
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71 to fullscreen, we'll set it manually (but only for the
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72 main screen).
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73 */
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74 @interface NSScreen (NSScreenAccess)
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75 - (void) setFrame:(NSRect)frame;
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76 @end
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77
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78 @implementation NSScreen (NSScreenAccess)
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79 - (void) setFrame:(NSRect)frame;
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80 {
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81 _frame = frame;
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82 }
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83 @end
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84
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85 /*
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86 This is a workaround to directly access NSOpenGLContext's CGL context
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87 We need this to check for errors NSOpenGLContext doesn't support
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88 */
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89 @interface NSOpenGLContext (CGLContextAccess)
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90 - (CGLContextObj) cglContext;
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91 @end
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92
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93 @implementation NSOpenGLContext (CGLContextAccess)
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94 - (CGLContextObj) cglContext;
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95 {
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96 return _contextAuxiliary;
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97 }
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98 @end
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99
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100 /*
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101 Structure for rez switch gamma fades
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102 We can hide the monitor flicker by setting the gamma tables to 0
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103 */
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104 #define QZ_GAMMA_TABLE_SIZE 256
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105
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106 typedef struct {
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107
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108 CGGammaValue red[QZ_GAMMA_TABLE_SIZE];
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109 CGGammaValue green[QZ_GAMMA_TABLE_SIZE];
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110 CGGammaValue blue[QZ_GAMMA_TABLE_SIZE];
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111
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112 } SDL_QuartzGammaTable;
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113
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114 /* Main driver structure to store required state information */
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115 typedef struct SDL_PrivateVideoData {
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116
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117 CGDirectDisplayID display; /* 0 == main display (only support single display) */
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118 CFDictionaryRef mode; /* current mode of the display */
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119 CFDictionaryRef save_mode; /* original mode of the display */
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120 CFArrayRef mode_list; /* list of available fullscreen modes */
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121 CGDirectPaletteRef palette; /* palette of an 8-bit display */
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122 NSOpenGLContext *gl_context; /* OpenGL rendering context */
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123 Uint32 width, height, bpp; /* frequently used data about the display */
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124 Uint32 flags; /* flags for current mode, for teardown purposes */
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125 Uint32 video_set; /* boolean; indicates if video was set correctly */
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126 Uint32 warp_flag; /* boolean; notify to event loop that a warp just occured */
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127 Uint32 warp_ticks; /* timestamp when the warp occured */
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128 NSWindow *window; /* Cocoa window to implement the SDL window */
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129 NSQuickDrawView *view; /* the window's view; draw 2D and OpenGL into this view */
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130 SDL_Surface *resize_icon; /* icon for the resize badge, we have to draw it by hand */
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131 SDL_GrabMode current_grab_mode; /* default value is SDL_GRAB_OFF */
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132 BOOL in_foreground; /* boolean; indicate if app is in foreground or not */
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133 SDL_Rect **client_mode_list; /* resolution list to pass back to client */
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134 SDLKey keymap[256]; /* Mac OS X to SDL key mapping */
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135 Uint32 current_mods; /* current keyboard modifiers, to track modifier state */
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136 Uint32 last_virtual_button;/* last virtual mouse button pressed */
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137 io_connect_t power_connection; /* used with IOKit to detect wake from sleep */
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138 Uint8 expect_mouse_up; /* used to determine when to send mouse up events */
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139 Uint8 grab_state; /* used to manage grab behavior */
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140 NSPoint cursor_loc; /* saved cursor coords, for activate/deactivate when grabbed */
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141 BOOL cursor_visible; /* tells if cursor was instructed to be hidden or not (SDL_ShowCursor) */
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142 BOOL cursor_hidden; /* tells if cursor is *actually* hidden or not */
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143 Uint8* sw_buffers[2]; /* pointers to the two software buffers for double-buffer emulation */
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144 SDL_Thread *thread; /* thread for async updates to the screen */
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145 SDL_sem *sem1, *sem2; /* synchronization for async screen updates */
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146 Uint8 *current_buffer; /* the buffer being copied to the screen */
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147 BOOL quit_thread; /* used to quit the async blitting thread */
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148
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149 ImageDescriptionHandle yuv_idh;
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150 MatrixRecordPtr yuv_matrix;
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151 DecompressorComponent yuv_codec;
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152 ImageSequence yuv_seq;
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153 PlanarPixmapInfoYUV420 *yuv_pixmap;
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154 Sint16 yuv_width, yuv_height;
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155 CGrafPtr yuv_port;
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156
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157 } SDL_PrivateVideoData ;
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158
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159 #define _THIS SDL_VideoDevice *this
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160 #define display_id (this->hidden->display)
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161 #define mode (this->hidden->mode)
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162 #define save_mode (this->hidden->save_mode)
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163 #define mode_list (this->hidden->mode_list)
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164 #define palette (this->hidden->palette)
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165 #define gl_context (this->hidden->gl_context)
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166 #define device_width (this->hidden->width)
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167 #define device_height (this->hidden->height)
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168 #define device_bpp (this->hidden->bpp)
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169 #define mode_flags (this->hidden->flags)
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170 #define qz_window (this->hidden->window)
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171 #define window_view (this->hidden->view)
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172 #define video_set (this->hidden->video_set)
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173 #define warp_ticks (this->hidden->warp_ticks)
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174 #define warp_flag (this->hidden->warp_flag)
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175 #define resize_icon (this->hidden->resize_icon)
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176 #define current_grab_mode (this->hidden->current_grab_mode)
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177 #define in_foreground (this->hidden->in_foreground)
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178 #define client_mode_list (this->hidden->client_mode_list)
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179 #define keymap (this->hidden->keymap)
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180 #define current_mods (this->hidden->current_mods)
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181 #define last_virtual_button (this->hidden->last_virtual_button)
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182 #define power_connection (this->hidden->power_connection)
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183 #define expect_mouse_up (this->hidden->expect_mouse_up)
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184 #define grab_state (this->hidden->grab_state)
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185 #define cursor_loc (this->hidden->cursor_loc)
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186 #define cursor_visible (this->hidden->cursor_visible)
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187 #define cursor_hidden (this->hidden->cursor_hidden)
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188 #define sw_buffers (this->hidden->sw_buffers)
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189 #define thread (this->hidden->thread)
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190 #define sem1 (this->hidden->sem1)
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191 #define sem2 (this->hidden->sem2)
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192 #define current_buffer (this->hidden->current_buffer)
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193 #define quit_thread (this->hidden->quit_thread)
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194
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195 #define yuv_idh (this->hidden->yuv_idh)
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196 #define yuv_matrix (this->hidden->yuv_matrix)
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197 #define yuv_codec (this->hidden->yuv_codec)
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198 #define yuv_seq (this->hidden->yuv_seq)
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199 #define yuv_pixmap (this->hidden->yuv_pixmap)
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200 #define yuv_data (this->hidden->yuv_data)
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201 #define yuv_width (this->hidden->yuv_width)
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202 #define yuv_height (this->hidden->yuv_height)
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203 #define yuv_port (this->hidden->yuv_port)
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204
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205
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206 /* grab states - the input is in one of these states */
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207 enum {
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208 QZ_UNGRABBED = 0,
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209 QZ_VISIBLE_GRAB,
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210 QZ_INVISIBLE_GRAB
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211 };
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212
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213 /* grab actions - these can change the grabbed state */
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214 enum {
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215 QZ_ENABLE_GRAB = 0,
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216 QZ_DISABLE_GRAB,
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217 QZ_HIDECURSOR,
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218 QZ_SHOWCURSOR
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219 };
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220
501
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221 /*
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222 Obscuring code: maximum number of windows above ours (inclusive)
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223
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224 Note: this doesn't work too well in practice and should be
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225 phased out when we add OpenGL 2D acceleration. It was never
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226 enabled in the first place, so this shouldn't be a problem ;-)
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227 */
272
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228 #define kMaxWindows 256
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229
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230 /* Some of the Core Graphics Server API for obscuring code */
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231 #define kCGSWindowLevelTop 2147483632
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232 #define kCGSWindowLevelDockIconDrag 500
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233 #define kCGSWindowLevelDockMenu 101
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234 #define kCGSWindowLevelMenuIgnore 21
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235 #define kCGSWindowLevelMenu 20
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236 #define kCGSWindowLevelDockLabel 12
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237 #define kCGSWindowLevelDockIcon 11
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238 #define kCGSWindowLevelDock 10
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239 #define kCGSWindowLevelUtility 3
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240 #define kCGSWindowLevelNormal 0
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241
501
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242 /*
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243 For completeness; We never use these window levels, they are always below us
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244 #define kCGSWindowLevelMBarShadow -20
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245 #define kCGSWindowLevelDesktopPicture -2147483647
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246 #define kCGSWindowLevelDesktop -2147483648
272
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247 */
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248
272
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249 typedef CGError CGSError;
390
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250 typedef long CGSWindowCount;
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251 typedef void * CGSConnectionID;
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252 typedef int CGSWindowID;
272
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253 typedef CGSWindowID* CGSWindowIDList;
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254 typedef CGWindowLevel CGSWindowLevel;
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255 typedef NSRect CGSRect;
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256
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257 extern CGSConnectionID _CGSDefaultConnection ();
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258
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259 extern CGSError CGSGetOnScreenWindowList (CGSConnectionID cid,
272
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260 CGSConnectionID owner,
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261 CGSWindowCount listCapacity,
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262 CGSWindowIDList list,
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263 CGSWindowCount *listCount);
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264
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265 extern CGSError CGSGetScreenRectForWindow (CGSConnectionID cid,
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266 CGSWindowID wid,
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267 CGSRect *rect);
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268
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269 extern CGWindowLevel CGSGetWindowLevel (CGSConnectionID cid,
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270 CGSWindowID wid,
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271 CGSWindowLevel *level);
390
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272
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273 extern CGSError CGSDisplayHWFill (CGDirectDisplayID id, unsigned int x, unsigned int y,
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274 unsigned int w, unsigned int h, unsigned int color);
272
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275
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276 extern CGSError CGSDisplayCanHWFill (CGDirectDisplayID id);
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277
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278 extern CGSError CGSGetMouseEnabledFlags (CGSConnectionID cid, CGSWindowID wid, int *flags);
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279
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280 int CGSDisplayHWSync (CGDirectDisplayID id);
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281
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282 /* Bootstrap functions */
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283 static int QZ_Available ();
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284 static SDL_VideoDevice* QZ_CreateDevice (int device_index);
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285 static void QZ_DeleteDevice (SDL_VideoDevice *device);
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286
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287 /* Initialization, Query, Setup, and Redrawing functions */
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288 static int QZ_VideoInit (_THIS, SDL_PixelFormat *video_format);
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289
390
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290 static SDL_Rect** QZ_ListModes (_THIS, SDL_PixelFormat *format,
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291 Uint32 flags);
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292 static void QZ_UnsetVideoMode (_THIS);
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293
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294 static SDL_Surface* QZ_SetVideoMode (_THIS, SDL_Surface *current,
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295 int width, int height, int bpp,
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296 Uint32 flags);
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297 static int QZ_ToggleFullScreen (_THIS, int on);
390
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298 static int QZ_SetColors (_THIS, int first_color,
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299 int num_colors, SDL_Color *colors);
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300
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301 static int QZ_LockDoubleBuffer (_THIS, SDL_Surface *surface);
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302 static void QZ_UnlockDoubleBuffer (_THIS, SDL_Surface *surface);
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303 static int QZ_ThreadFlip (_THIS);
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304 static int QZ_FlipDoubleBuffer (_THIS, SDL_Surface *surface);
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305 static void QZ_DoubleBufferUpdate (_THIS, int num_rects, SDL_Rect *rects);
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306
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307 static void QZ_DirectUpdate (_THIS, int num_rects, SDL_Rect *rects);
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308 static int QZ_LockWindow (_THIS, SDL_Surface *surface);
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309 static void QZ_UnlockWindow (_THIS, SDL_Surface *surface);
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310 static void QZ_UpdateRects (_THIS, int num_rects, SDL_Rect *rects);
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311 static void QZ_VideoQuit (_THIS);
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312
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313 /* Hardware surface functions (for fullscreen mode only) */
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314 static int QZ_FillHWRect (_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color);
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315 static int QZ_LockHWSurface(_THIS, SDL_Surface *surface);
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316 static void QZ_UnlockHWSurface(_THIS, SDL_Surface *surface);
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317 static void QZ_FreeHWSurface (_THIS, SDL_Surface *surface);
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318 /* static int QZ_FlipHWSurface (_THIS, SDL_Surface *surface); */
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319
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320 /* Gamma Functions */
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321 static int QZ_SetGamma (_THIS, float red, float green, float blue);
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322 static int QZ_GetGamma (_THIS, float *red, float *green, float *blue);
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323 static int QZ_SetGammaRamp (_THIS, Uint16 *ramp);
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324 static int QZ_GetGammaRamp (_THIS, Uint16 *ramp);
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325
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326 /* OpenGL functions */
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327 static int QZ_SetupOpenGL (_THIS, int bpp, Uint32 flags);
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328 static void QZ_TearDownOpenGL (_THIS);
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329 static void* QZ_GL_GetProcAddress (_THIS, const char *proc);
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330 static int QZ_GL_GetAttribute (_THIS, SDL_GLattr attrib, int* value);
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331 static int QZ_GL_MakeCurrent (_THIS);
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332 static void QZ_GL_SwapBuffers (_THIS);
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333 static int QZ_GL_LoadLibrary (_THIS, const char *location);
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334
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335 /* Private function to warp the cursor (used internally) */
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336 static void QZ_PrivateWarpCursor (_THIS, int x, int y);
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337
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338 /* Cursor and Mouse functions */
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339 static void QZ_FreeWMCursor (_THIS, WMcursor *cursor);
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340 static WMcursor* QZ_CreateWMCursor (_THIS, Uint8 *data, Uint8 *mask,
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341 int w, int h, int hot_x, int hot_y);
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342 static int QZ_ShowWMCursor (_THIS, WMcursor *cursor);
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343 static void QZ_WarpWMCursor (_THIS, Uint16 x, Uint16 y);
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344 static void QZ_MoveWMCursor (_THIS, int x, int y);
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345 static void QZ_CheckMouseMode (_THIS);
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346
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347 /* Event functions */
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348 static void QZ_InitOSKeymap (_THIS);
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349 static void QZ_PumpEvents (_THIS);
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350
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351 /* Window Manager functions */
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352 static void QZ_SetCaption (_THIS, const char *title, const char *icon);
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353 static void QZ_SetIcon (_THIS, SDL_Surface *icon, Uint8 *mask);
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354 static int QZ_IconifyWindow (_THIS);
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355 static SDL_GrabMode QZ_GrabInput (_THIS, SDL_GrabMode grab_mode);
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356 /*static int QZ_GetWMInfo (_THIS, SDL_SysWMinfo *info);*/
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357
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358 /* YUV functions */
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359 static SDL_Overlay* QZ_CreateYUVOverlay (_THIS, int width, int height,
561
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360 Uint32 format, SDL_Surface *display);