annotate src/video/dga/SDL_dgaevents.c @ 1495:1dd8bf30a109

Might have fixed 64-bit issues. :)
author Sam Lantinga <slouken@libsdl.org>
date Sat, 11 Mar 2006 22:54:12 +0000
parents d910939febfa
children 3ba88cb7eb1b
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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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 #include <X11/Xlib.h>
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28 #include "../Xext/extensions/xf86dga.h"
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29
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30 #include "../SDL_sysvideo.h"
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31 #include "../../events/SDL_events_c.h"
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32 #include "SDL_dgavideo.h"
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33 #include "SDL_dgaevents_c.h"
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34
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35 /* get function pointers... */
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36 #include "../x11/SDL_x11dyn.h"
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37
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38 /* Heheh we're using X11 event code */
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39 extern int X11_Pending(Display *display);
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40 extern void X11_InitKeymap(void);
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41 extern SDLKey X11_TranslateKeycode(Display *display, KeyCode kc);
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42
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43 static int DGA_DispatchEvent(_THIS)
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44 {
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45 int posted;
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46 SDL_NAME(XDGAEvent) xevent;
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47
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48 pXNextEvent(DGA_Display, (XEvent *)&xevent);
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49
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50 posted = 0;
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51 xevent.type -= DGA_event_base;
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52 switch (xevent.type) {
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53
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54 /* Mouse motion? */
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55 case MotionNotify: {
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56 if ( SDL_VideoSurface ) {
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57 posted = SDL_PrivateMouseMotion(0, 1,
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58 xevent.xmotion.dx, xevent.xmotion.dy);
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59 }
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60 }
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61 break;
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62
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63 /* Mouse button press? */
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64 case ButtonPress: {
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65 posted = SDL_PrivateMouseButton(SDL_PRESSED,
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66 xevent.xbutton.button, 0, 0);
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67 }
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68 break;
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69
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70 /* Mouse button release? */
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71 case ButtonRelease: {
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72 posted = SDL_PrivateMouseButton(SDL_RELEASED,
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73 xevent.xbutton.button, 0, 0);
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74 }
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75 break;
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76
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77 /* Key press? */
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78 case KeyPress: {
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79 SDL_keysym keysym;
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80 KeyCode keycode;
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81 XKeyEvent xkey;
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82
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83 SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey);
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84 keycode = xkey.keycode;
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85 #ifdef DEBUG_XEVENTS
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86 printf("KeyPress (X11 keycode = 0x%X)\n", xkey.keycode);
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87 #endif
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88 /* Get the translated SDL virtual keysym */
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89 keysym.scancode = keycode;
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90 keysym.sym = X11_TranslateKeycode(DGA_Display, keycode);
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91 keysym.mod = KMOD_NONE;
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92 keysym.unicode = 0;
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93
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94 /* Look up the translated value for the key event */
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95 if ( SDL_TranslateUNICODE ) {
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96 static XComposeStatus state;
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97 char keybuf[32];
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98
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99 if ( pXLookupString(&xkey, keybuf, sizeof(keybuf), NULL, &state) ) {
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100 /*
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101 * FIXME: XLookupString() may yield more than one
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102 * character, so we need a mechanism to allow for
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103 * this (perhaps null keypress events with a
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104 * unicode value)
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105 */
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106 keysym.unicode = (Uint8)keybuf[0];
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107 }
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108 }
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109 posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym);
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110 }
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111 break;
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112
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113 /* Key release? */
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114 case KeyRelease: {
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115 SDL_keysym keysym;
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116 KeyCode keycode;
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117 XKeyEvent xkey;
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118
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119 SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey);
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120 keycode = xkey.keycode;
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121 #ifdef DEBUG_XEVENTS
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122 printf("KeyRelease (X11 keycode = 0x%X)\n", xkey.keycode);
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123 #endif
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124 /* Get the translated SDL virtual keysym */
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125 keysym.scancode = keycode;
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126 keysym.sym = X11_TranslateKeycode(DGA_Display, keycode);
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127 keysym.mod = KMOD_NONE;
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128 keysym.unicode = 0;
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129 posted = SDL_PrivateKeyboard(SDL_RELEASED, &keysym);
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130 }
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131 break;
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132
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133 break;
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134
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135 }
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136 return(posted);
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137 }
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138
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139 void DGA_PumpEvents(_THIS)
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140 {
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141 /* Keep processing pending events */
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142 LOCK_DISPLAY();
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143 while ( X11_Pending(DGA_Display) ) {
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144 DGA_DispatchEvent(this);
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145 }
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146 UNLOCK_DISPLAY();
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147 }
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148
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149 void DGA_InitOSKeymap(_THIS)
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150 {
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151 X11_InitKeymap();
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152 }
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153