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annotate src/video/quartz/SDL_QuartzVideo.h @ 47:45b1c4303f87

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Added initial support for Quartz video (thanks Darrell!)
author Sam Lantinga <slouken@lokigames.com>
date Thu, 07 Jun 2001 14:28:11 +0000
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children bd6b0a910a65
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47
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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 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@devolution.com
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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
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26
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27 @abstract SDL video driver for MacOS 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 - Set the window icon (dock icon when API is available)
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37 - Avoid erasing window on minimize, or disable minimize
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38 Problems:
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39 - OGL not working in full screen with software renderer
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40 - SetColors sets palette correctly but clears framebuffer
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41 - Crash in CG after several mode switches
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42 - Retained windows don't draw their title bar quite right (OS Bug)
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43 - Should I do depth switching for windowed modes?
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44 - Launch times are slow, maybe prebinding will help
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45 - Direct framebuffer access has some artifacts, maybe a driver issue
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46 - Cursor in 8 bit modes is screwy
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47 - Modifier + mouse-down maps alternate mouse button, but if modifier is released
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48 before mouse button, corresponding mouse-up event is not generated.
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49 - Clicking in content activates app, but doesn't generate the activate event,
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50 and subsequent switches generate no activate/deactivate events! (OS Bug I hope)
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51 */
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52
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53 #include <ApplicationServices/ApplicationServices.h>
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54 #include <OpenGL/OpenGL.h>
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55 #include <Cocoa/Cocoa.h>
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56 #include <Carbon/Carbon.h>
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57
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58 #include "SDL_video.h"
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59 #include "SDL_error.h"
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60 #include "SDL_syswm.h"
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61 #include "SDL_sysvideo.h"
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62 #include "SDL_pixels_c.h"
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63 #include "SDL_events_c.h"
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64
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65 /* This is a workaround to directly access NSOpenGLContext's CGL context */
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66 /* We need to do this in order to check for errors */
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67 @interface NSOpenGLContext (CGLContextAccess)
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68 - (CGLContextObj) cglContext;
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69 @end
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70
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71 @implementation NSOpenGLContext (CGLContextAccess)
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72 - (CGLContextObj) cglContext;
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73 {
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74 return _contextAuxiliary;
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75 }
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76 @end
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77
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78 typedef struct SDL_PrivateVideoData {
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79
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80 CGDirectDisplayID display; /* 0 == main display */
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81 CFDictionaryRef mode;
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82 CFDictionaryRef save_mode;
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83 CFArrayRef mode_list;
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84 CGDirectPaletteRef palette;
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85 NSOpenGLContext *gl_context;
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86 int width, height, bpp;
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87 Uint32 flags;
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88
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89 /* Window-only fields */
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90 NSWindow *window;
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91 NSQuickDrawView *view;
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92 NSString *title;
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93
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94 } SDL_PrivateVideoData ;
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95
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96 #define _THIS SDL_VideoDevice *this
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97 #define display_id (this->hidden->display)
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98 #define mode (this->hidden->mode)
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99 #define save_mode (this->hidden->save_mode)
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100 #define mode_list (this->hidden->mode_list)
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101 #define palette (this->hidden->palette)
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102 #define glcontext (this->hidden->glcontext)
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103 #define objc_video (this->hidden->objc_video)
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104 #define gl_context (this->hidden->gl_context)
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105 #define device_width (this->hidden->width)
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106 #define device_height (this->hidden->height)
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107 #define device_bpp (this->hidden->bpp)
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108 #define mode_flags (this->hidden->flags)
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109 #define window (this->hidden->window)
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110 #define windowView (this->hidden->view)
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111 #define windowTitle (this->hidden->title)
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112
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113 /* Interface for hardware fill not (yet) in the public API */
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114 int CGSDisplayHWFill (CGDirectDisplayID id, unsigned int x, unsigned int y,
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115 unsigned int w, unsigned int h, unsigned int color);
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116 int CGSDisplayCanHWFill (CGDirectDisplayID id);
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117
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118 /* Bootstrap functions */
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119 static int QZ_Available ();
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120 static SDL_VideoDevice* QZ_CreateDevice (int device_index);
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121 static void QZ_DeleteDevice (SDL_VideoDevice *device);
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122
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123 /* Initialization, Query, Setup, and Redrawing functions */
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124 static int QZ_VideoInit (_THIS, SDL_PixelFormat *video_format);
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125
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126 static SDL_Rect** QZ_ListModes (_THIS, SDL_PixelFormat *format,
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127 Uint32 flags);
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128 static void QZ_UnsetVideoMode (_THIS);
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129
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130 static SDL_Surface* QZ_SetVideoMode (_THIS, SDL_Surface *current,
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131 int width, int height, int bpp,
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132 Uint32 flags);
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133 static int QZ_ToggleFullScreen (_THIS, int on);
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134 static int QZ_SetColors (_THIS, int first_color,
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135 int num_colors, SDL_Color *colors);
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136 static void QZ_DirectUpdate (_THIS, int num_rects, SDL_Rect *rects);
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137 static void QZ_UpdateRects (_THIS, int num_rects, SDL_Rect *rects);
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138 static void QZ_VideoQuit (_THIS);
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139
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140 /* Hardware surface functions (for fullscreen mode only) */
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141 static int QZ_FillHWRect (_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color);
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142 static int QZ_LockHWSurface(_THIS, SDL_Surface *surface);
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143 static void QZ_UnlockHWSurface(_THIS, SDL_Surface *surface);
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144 static void QZ_FreeHWSurface (_THIS, SDL_Surface *surface);
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145 /* static int QZ_FlipHWSurface (_THIS, SDL_Surface *surface); */
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146
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147 /* Gamma Functions */
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148 static int QZ_SetGamma (_THIS, float red, float green, float blue);
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149 static int QZ_GetGamma (_THIS, float *red, float *green, float *blue);
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150 static int QZ_SetGammaRamp (_THIS, Uint16 *ramp);
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151 static int QZ_GetGammaRamp (_THIS, Uint16 *ramp);
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152
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153 /* OpenGL functions */
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154 static int QZ_SetupOpenGL (_THIS, int bpp, Uint32 flags);
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155 static void QZ_TearDownOpenGL (_THIS);
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156 static void* QZ_GL_GetProcAddress (_THIS, const char *proc);
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157 static int QZ_GL_GetAttribute (_THIS, SDL_GLattr attrib, int* value);
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158 static int QZ_GL_MakeCurrent (_THIS);
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159 static void QZ_GL_SwapBuffers (_THIS);
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160 static int QZ_GL_LoadLibrary (_THIS, const char *location);
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161
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162 /* Private function to warp the cursor (used internally) */
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163 static void QZ_PrivateWarpCursor (_THIS, int fullscreen, int h, int x, int y);
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164
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165 /* Cursor and Mouse functions */
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166 static void QZ_FreeWMCursor (_THIS, WMcursor *cursor);
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167 static WMcursor* QZ_CreateWMCursor (_THIS, Uint8 *data, Uint8 *mask,
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168 int w, int h, int hot_x, int hot_y);
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169 static int QZ_ShowWMCursor (_THIS, WMcursor *cursor);
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170 static void QZ_WarpWMCursor (_THIS, Uint16 x, Uint16 y);
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171 static void QZ_MoveWMCursor (_THIS, int x, int y);
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172 static void QZ_CheckMouseMode (_THIS);
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173
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174 /* Event functions */
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175 static void QZ_InitOSKeymap (_THIS);
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176 static void QZ_PumpEvents (_THIS);
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177
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178 /* Window Manager functions */
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179 static void QZ_SetCaption (_THIS, const char *title, const char *icon);
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180 static void QZ_SetIcon (_THIS, SDL_Surface *icon, Uint8 *mask);
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181 static int QZ_IconifyWindow (_THIS);
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182 static SDL_GrabMode QZ_GrabInput (_THIS, SDL_GrabMode grab_mode);
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183 /*static int QZ_GetWMInfo (_THIS, SDL_SysWMinfo *info);*/