annotate src/video/dga/SDL_dgaevents.c @ 4029:e7ec5ee35d54 SDL-1.2

Merged some patches from NetBSD pkgsrc: Added two patches for Solaris 8. The X11 implementation does not define the xEvent structure unless NEED_EVENTS is defined.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 10 Jul 2007 04:47:08 +0000
parents cbad710a6509
children e6c20cda4e28
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /* Handle the event stream, converting DGA events into SDL events */
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25
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26 #include <stdio.h>
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27 #define NEED_EVENTS
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28 #define NEED_REPLIES
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29 #include <X11/Xlib.h>
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30 #include "../Xext/extensions/xf86dga.h"
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31
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32 #include "../SDL_sysvideo.h"
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33 #include "../../events/SDL_events_c.h"
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34 #include "SDL_dgavideo.h"
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35 #include "SDL_dgaevents_c.h"
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36
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37 /* get function pointers... */
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38 #include "../x11/SDL_x11dyn.h"
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39
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40 /* Heheh we're using X11 event code */
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41 extern int X11_Pending(Display *display);
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42 extern void X11_InitKeymap(void);
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43 extern SDLKey X11_TranslateKeycode(Display *display, KeyCode kc);
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44
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45 static int DGA_DispatchEvent(_THIS)
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46 {
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47 int posted;
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48 SDL_NAME(XDGAEvent) xevent;
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49
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50 XNextEvent(DGA_Display, (XEvent *)&xevent);
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51
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52 posted = 0;
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53 xevent.type -= DGA_event_base;
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54 switch (xevent.type) {
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55
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56 /* Mouse motion? */
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57 case MotionNotify: {
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58 if ( SDL_VideoSurface ) {
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59 posted = SDL_PrivateMouseMotion(0, 1,
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60 xevent.xmotion.dx, xevent.xmotion.dy);
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61 }
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62 }
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63 break;
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64
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65 /* Mouse button press? */
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66 case ButtonPress: {
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67 posted = SDL_PrivateMouseButton(SDL_PRESSED,
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68 xevent.xbutton.button, 0, 0);
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69 }
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70 break;
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71
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72 /* Mouse button release? */
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73 case ButtonRelease: {
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74 posted = SDL_PrivateMouseButton(SDL_RELEASED,
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75 xevent.xbutton.button, 0, 0);
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76 }
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77 break;
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78
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79 /* Key press? */
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80 case KeyPress: {
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81 SDL_keysym keysym;
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82 KeyCode keycode;
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83 XKeyEvent xkey;
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84
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85 SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey);
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86 keycode = xkey.keycode;
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87 #ifdef DEBUG_XEVENTS
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88 printf("KeyPress (X11 keycode = 0x%X)\n", xkey.keycode);
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89 #endif
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90 /* Get the translated SDL virtual keysym */
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91 keysym.scancode = keycode;
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92 keysym.sym = X11_TranslateKeycode(DGA_Display, keycode);
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93 keysym.mod = KMOD_NONE;
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94 keysym.unicode = 0;
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95
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96 /* Look up the translated value for the key event */
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97 if ( SDL_TranslateUNICODE ) {
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98 static XComposeStatus state;
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99 char keybuf[32];
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100
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101 if ( XLookupString(&xkey, keybuf, sizeof(keybuf), NULL, &state) ) {
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102 /*
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103 * FIXME: XLookupString() may yield more than one
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104 * character, so we need a mechanism to allow for
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105 * this (perhaps null keypress events with a
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106 * unicode value)
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107 */
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108 keysym.unicode = (Uint8)keybuf[0];
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109 }
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110 }
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111 posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym);
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112 }
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113 break;
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114
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115 /* Key release? */
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116 case KeyRelease: {
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117 SDL_keysym keysym;
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118 KeyCode keycode;
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119 XKeyEvent xkey;
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120
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121 SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey);
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122 keycode = xkey.keycode;
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123 #ifdef DEBUG_XEVENTS
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124 printf("KeyRelease (X11 keycode = 0x%X)\n", xkey.keycode);
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125 #endif
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126 /* Get the translated SDL virtual keysym */
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127 keysym.scancode = keycode;
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128 keysym.sym = X11_TranslateKeycode(DGA_Display, keycode);
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129 keysym.mod = KMOD_NONE;
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130 keysym.unicode = 0;
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131 posted = SDL_PrivateKeyboard(SDL_RELEASED, &keysym);
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132 }
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133 break;
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134 }
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135 return(posted);
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136 }
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137
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138 void DGA_PumpEvents(_THIS)
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139 {
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140 /* Keep processing pending events */
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141 LOCK_DISPLAY();
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142 while ( X11_Pending(DGA_Display) ) {
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143 DGA_DispatchEvent(this);
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144 }
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145 UNLOCK_DISPLAY();
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146 }
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147
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148 void DGA_InitOSKeymap(_THIS)
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149 {
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150 X11_InitKeymap();
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151 }
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152