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annotate src/video/quartz/SDL_QuartzVideo.h @ 1023:e719ee25439d

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Fix potential use of freed memory in the threaded timer system
author Sam Lantinga <slouken@libsdl.org>
date Tue, 04 Jan 2005 19:05:32 +0000
parents 9e84d106ec19
children 49d3efec6651
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
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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 - Check accuracy of QZ_SetGamma()
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40 Problems:
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41 - OGL not working in full screen with software renderer
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42 - SetColors sets palette correctly but clears framebuffer
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43 - Crash in CG after several mode switches (I think this has been fixed)
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44 - Retained windows don't draw their title bar quite right (OS Bug) (not using retained windows)
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45 - Cursor in 8 bit modes is screwy (might just be Radeon PCI bug) (update: not just Radeon)
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46 - Warping cursor delays mouse events for a fraction of a second,
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47 there is a hack around this that helps a bit
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48 */
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49
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50 #include <Cocoa/Cocoa.h>
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51 #include <OpenGL/OpenGL.h>
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52 #include <OpenGL/gl.h>
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53 #include <OpenGL/glext.h>
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54 #include <Carbon/Carbon.h>
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55 #include <QuickTime/QuickTime.h>
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56 #include <IOKit/IOKitLib.h> /* For powersave handling */
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57 #include <pthread.h>
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58
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59 #include "SDL_thread.h"
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60 #include "SDL_video.h"
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61 #include "SDL_error.h"
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62 #include "SDL_timer.h"
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63 #include "SDL_syswm.h"
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64 #include "SDL_sysvideo.h"
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65 #include "SDL_pixels_c.h"
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66 #include "SDL_events_c.h"
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67
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68 /*
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69 This is a workaround to directly access NSOpenGLContext's CGL context
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70 We need this to check for errors NSOpenGLContext doesn't support
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71 */
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72 @interface NSOpenGLContext (CGLContextAccess)
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73 - (CGLContextObj) cglContext;
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74 @end
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75
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76
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77 /* Main driver structure to store required state information */
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78 typedef struct SDL_PrivateVideoData {
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79
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80 CGDirectDisplayID display; /* 0 == main display (only support single display) */
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81 CFDictionaryRef mode; /* current mode of the display */
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82 CFDictionaryRef save_mode; /* original mode of the display */
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83 CFArrayRef mode_list; /* list of available fullscreen modes */
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84 CGDirectPaletteRef palette; /* palette of an 8-bit display */
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85 NSOpenGLContext *gl_context; /* OpenGL rendering context */
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86 Uint32 width, height, bpp; /* frequently used data about the display */
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87 Uint32 flags; /* flags for current mode, for teardown purposes */
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88 Uint32 video_set; /* boolean; indicates if video was set correctly */
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89 Uint32 warp_flag; /* boolean; notify to event loop that a warp just occured */
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90 Uint32 warp_ticks; /* timestamp when the warp occured */
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91 NSWindow *window; /* Cocoa window to implement the SDL window */
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92 NSQuickDrawView *view; /* the window's view; draw 2D and OpenGL into this view */
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93 SDL_Surface *resize_icon; /* icon for the resize badge, we have to draw it by hand */
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94 SDL_GrabMode current_grab_mode; /* default value is SDL_GRAB_OFF */
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95 SDL_Rect **client_mode_list; /* resolution list to pass back to client */
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96 SDLKey keymap[256]; /* Mac OS X to SDL key mapping */
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97 Uint32 current_mods; /* current keyboard modifiers, to track modifier state */
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98 Uint32 last_virtual_button;/* last virtual mouse button pressed */
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99 io_connect_t power_connection; /* used with IOKit to detect wake from sleep */
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100 Uint8 expect_mouse_up; /* used to determine when to send mouse up events */
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101 Uint8 grab_state; /* used to manage grab behavior */
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102 NSPoint cursor_loc; /* saved cursor coords, for activate/deactivate when grabbed */
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103 BOOL cursor_should_be_visible; /* tells if cursor is supposed to be visible (SDL_ShowCursor) */
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104 BOOL cursor_visible; /* tells if cursor is *actually* visible or not */
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105 Uint8* sw_buffers[2]; /* pointers to the two software buffers for double-buffer emulation */
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106 SDL_Thread *thread; /* thread for async updates to the screen */
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107 SDL_sem *sem1, *sem2; /* synchronization for async screen updates */
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108 Uint8 *current_buffer; /* the buffer being copied to the screen */
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109 BOOL quit_thread; /* used to quit the async blitting thread */
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110 SInt32 system_version; /* used to dis-/enable workarounds depending on the system version */
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111
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112 ImageDescriptionHandle yuv_idh;
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113 MatrixRecordPtr yuv_matrix;
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114 DecompressorComponent yuv_codec;
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115 ImageSequence yuv_seq;
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116 PlanarPixmapInfoYUV420 *yuv_pixmap;
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117 Sint16 yuv_width, yuv_height;
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118 CGrafPtr yuv_port;
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119
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120 } SDL_PrivateVideoData;
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121
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122 #define _THIS SDL_VideoDevice *this
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123 #define display_id (this->hidden->display)
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124 #define mode (this->hidden->mode)
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125 #define save_mode (this->hidden->save_mode)
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126 #define mode_list (this->hidden->mode_list)
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127 #define palette (this->hidden->palette)
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128 #define gl_context (this->hidden->gl_context)
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129 #define device_width (this->hidden->width)
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130 #define device_height (this->hidden->height)
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131 #define device_bpp (this->hidden->bpp)
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132 #define mode_flags (this->hidden->flags)
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133 #define qz_window (this->hidden->window)
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134 #define window_view (this->hidden->view)
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135 #define video_set (this->hidden->video_set)
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136 #define warp_ticks (this->hidden->warp_ticks)
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137 #define warp_flag (this->hidden->warp_flag)
501
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138 #define resize_icon (this->hidden->resize_icon)
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139 #define current_grab_mode (this->hidden->current_grab_mode)
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140 #define client_mode_list (this->hidden->client_mode_list)
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141 #define keymap (this->hidden->keymap)
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142 #define current_mods (this->hidden->current_mods)
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143 #define last_virtual_button (this->hidden->last_virtual_button)
563
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144 #define power_connection (this->hidden->power_connection)
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parents: 561
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145 #define expect_mouse_up (this->hidden->expect_mouse_up)
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parents: 561
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146 #define grab_state (this->hidden->grab_state)
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parents: 561
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147 #define cursor_loc (this->hidden->cursor_loc)
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148 #define cursor_should_be_visible (this->hidden->cursor_should_be_visible)
563
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parents: 561
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149 #define cursor_visible (this->hidden->cursor_visible)
588
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150 #define sw_buffers (this->hidden->sw_buffers)
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parents: 563
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151 #define thread (this->hidden->thread)
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152 #define sem1 (this->hidden->sem1)
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153 #define sem2 (this->hidden->sem2)
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parents: 563
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154 #define current_buffer (this->hidden->current_buffer)
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155 #define quit_thread (this->hidden->quit_thread)
876
9e84d106ec19 (Said Max Horn on the SDL mailing list...)
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156 #define system_version (this->hidden->system_version)
501
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157
563
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parents: 561
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158 /* grab states - the input is in one of these states */
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parents: 561
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159 enum {
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parents: 561
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160 QZ_UNGRABBED = 0,
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parents: 561
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161 QZ_VISIBLE_GRAB,
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parents: 561
diff changeset
162 QZ_INVISIBLE_GRAB
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parents: 561
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163 };
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164
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parents: 561
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165 /* grab actions - these can change the grabbed state */
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parents: 561
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166 enum {
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parents: 561
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167 QZ_ENABLE_GRAB = 0,
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parents: 561
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168 QZ_DISABLE_GRAB,
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parents: 561
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169 QZ_HIDECURSOR,
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Ryan C. Gordon <icculus@icculus.org>
parents: 561
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170 QZ_SHOWCURSOR
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Ryan C. Gordon <icculus@icculus.org>
parents: 561
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171 };
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172
47
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173 /* Gamma Functions */
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174 int QZ_SetGamma (_THIS, float red, float green, float blue);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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175 int QZ_GetGamma (_THIS, float *red, float *green, float *blue);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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176 int QZ_SetGammaRamp (_THIS, Uint16 *ramp);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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177 int QZ_GetGammaRamp (_THIS, Uint16 *ramp);
47
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178
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179 /* OpenGL functions */
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180 int QZ_SetupOpenGL (_THIS, int bpp, Uint32 flags);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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181 void QZ_TearDownOpenGL (_THIS);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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182 void* QZ_GL_GetProcAddress (_THIS, const char *proc);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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183 int QZ_GL_GetAttribute (_THIS, SDL_GLattr attrib, int* value);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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parents: 679
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184 int QZ_GL_MakeCurrent (_THIS);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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185 void QZ_GL_SwapBuffers (_THIS);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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parents: 679
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186 int QZ_GL_LoadLibrary (_THIS, const char *location);
47
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187
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188 /* Cursor and Mouse functions */
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189 void QZ_FreeWMCursor (_THIS, WMcursor *cursor);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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190 WMcursor* QZ_CreateWMCursor (_THIS, Uint8 *data, Uint8 *mask,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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191 int w, int h, int hot_x, int hot_y);
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192 int QZ_ShowWMCursor (_THIS, WMcursor *cursor);
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193 void QZ_WarpWMCursor (_THIS, Uint16 x, Uint16 y);
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194 void QZ_MoveWMCursor (_THIS, int x, int y);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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195 void QZ_CheckMouseMode (_THIS);
47
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196
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197 /* Event functions */
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198 void QZ_InitOSKeymap (_THIS);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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199 void QZ_PumpEvents (_THIS);
47
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200
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201 /* Window Manager functions */
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202 void QZ_SetCaption (_THIS, const char *title, const char *icon);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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203 void QZ_SetIcon (_THIS, SDL_Surface *icon, Uint8 *mask);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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204 int QZ_IconifyWindow (_THIS);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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205 SDL_GrabMode QZ_GrabInput (_THIS, SDL_GrabMode grab_mode);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
206 /*int QZ_GetWMInfo (_THIS, SDL_SysWMinfo *info);*/
272
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diff changeset
207
390
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diff changeset
208 /* YUV functions */
761
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209 SDL_Overlay* QZ_CreateYUVOverlay (_THIS, int width, int height,
561
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parents: 555
diff changeset
210 Uint32 format, SDL_Surface *display);
761
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211
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
212
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
213 /* Private functions (used internally) */
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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214 void QZ_PrivateWarpCursor (_THIS, int x, int y);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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parents: 679
diff changeset
215 void QZ_ChangeGrabState (_THIS, int action);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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parents: 679
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216 void QZ_RegisterForSleepNotifications (_THIS);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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parents: 679
diff changeset
217 void QZ_ShowMouse (_THIS);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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parents: 679
diff changeset
218 void QZ_HideMouse (_THIS);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 679
diff changeset
219 void QZ_PrivateGlobalToLocal (_THIS, NSPoint *p);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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parents: 679
diff changeset
220 void QZ_PrivateCocoaToSDL (_THIS, NSPoint *p);
779
68c8da837fc0 Date: Tue, 6 Jan 2004 21:54:02 +0100
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parents: 777
diff changeset
221 BOOL QZ_IsMouseInWindow (_THIS);