annotate src/video/quartz/SDL_QuartzVideo.h @ 615:7ec821f3cbd0

Date: Thu, 17 Apr 2003 23:27:34 -0400 From: Darrell Walisser Subject: Yet another OS X cursor bug The synopsis: 1. Call SDL_ShowCursor(0); 2. Call SDL_SetVideoMode(); 3. Call SDL_GetEvent(); 3. Call SDL_ShowCursor(1); The result: Sometimes the cursor doesn't come back! Ack! Oddly enough, it does come back when mousing over the dock or clicking in the menu bar. But that's besides the point. The reason why this is happening is a flaw in the handling of activation/deactivation events. The short explanation is that the HideCursor() and ShowCursor() calls must be balanced, but if the cursor was initially hidden, HideCursor() was called again on the activate event - so now the next ShowCursor() fails (as does the next, and the next, for some reason). So, here's the patch. All it does is keep track of the HideCursor()/ShowCursor() calls so that they will always be balanced.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 20 Apr 2003 05:41:16 +0000
parents 2c6510c0a304
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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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
390
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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)
272
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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)
272
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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);
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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);
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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);
390
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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);