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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 #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 XNextEvent(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 ( XLookupString(&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 return(posted); |
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134 } |
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135 |
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136 void DGA_PumpEvents(_THIS) |
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137 { |
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138 /* Keep processing pending events */ |
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139 LOCK_DISPLAY(); |
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140 while ( X11_Pending(DGA_Display) ) { |
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141 DGA_DispatchEvent(this); |
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142 } |
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143 UNLOCK_DISPLAY(); |
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144 } |
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145 |
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146 void DGA_InitOSKeymap(_THIS) |
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147 { |
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148 X11_InitKeymap(); |
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149 } |
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150 |