e14743d1 |
1 | /* |
2 | SDL - Simple DirectMedia Layer |
3 | Copyright (C) 1997-2009 Sam Lantinga |
4 | |
5 | This library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | This library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with this library; if not, write to the Free Software |
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
18 | |
19 | Sam Lantinga |
20 | slouken@libsdl.org |
21 | */ |
22 | #include "SDL_config.h" |
23 | |
24 | /* Handle the event stream, converting DGA events into SDL events */ |
25 | |
26 | #include <stdio.h> |
27 | #include <X11/Xlib.h> |
28 | #include "../Xext/extensions/xf86dga.h" |
29 | |
30 | #include "SDL_timer.h" |
31 | #include "../SDL_sysvideo.h" |
32 | #include "../../events/SDL_events_c.h" |
33 | #include "SDL_dgavideo.h" |
34 | #include "SDL_dgaevents_c.h" |
35 | |
36 | /* get function pointers... */ |
37 | #include "../x11/SDL_x11dyn.h" |
38 | |
39 | /* Heheh we're using X11 event code */ |
40 | extern int X11_Pending(Display *display); |
41 | extern void X11_InitKeymap(void); |
42 | extern SDLKey X11_TranslateKeycode(Display *display, KeyCode kc); |
43 | |
44 | static int DGA_DispatchEvent(_THIS) |
45 | { |
46 | int posted; |
47 | SDL_NAME(XDGAEvent) xevent; |
48 | |
49 | XNextEvent(DGA_Display, (XEvent *)&xevent); |
50 | |
51 | posted = 0; |
52 | xevent.type -= DGA_event_base; |
53 | switch (xevent.type) { |
54 | |
55 | /* Mouse motion? */ |
56 | case MotionNotify: { |
57 | if ( SDL_VideoSurface ) { |
58 | posted = SDL_PrivateMouseMotion(0, 1, |
59 | xevent.xmotion.dx, xevent.xmotion.dy); |
60 | } |
61 | } |
62 | break; |
63 | |
64 | /* Mouse button press? */ |
65 | case ButtonPress: { |
66 | posted = SDL_PrivateMouseButton(SDL_PRESSED, |
67 | xevent.xbutton.button, 0, 0); |
68 | } |
69 | break; |
70 | |
71 | /* Mouse button release? */ |
72 | case ButtonRelease: { |
73 | posted = SDL_PrivateMouseButton(SDL_RELEASED, |
74 | xevent.xbutton.button, 0, 0); |
75 | } |
76 | break; |
77 | |
78 | /* Key press? */ |
79 | case KeyPress: { |
80 | SDL_keysym keysym; |
81 | KeyCode keycode; |
82 | XKeyEvent xkey; |
83 | |
84 | SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey); |
85 | keycode = xkey.keycode; |
86 | #ifdef DEBUG_XEVENTS |
87 | printf("KeyPress (X11 keycode = 0x%X)\n", xkey.keycode); |
88 | #endif |
89 | /* Get the translated SDL virtual keysym */ |
90 | keysym.scancode = keycode; |
91 | keysym.sym = X11_TranslateKeycode(DGA_Display, keycode); |
92 | keysym.mod = KMOD_NONE; |
93 | keysym.unicode = 0; |
94 | |
95 | /* Look up the translated value for the key event */ |
96 | if ( SDL_TranslateUNICODE ) { |
97 | static XComposeStatus state; |
98 | char keybuf[32]; |
99 | |
100 | if ( XLookupString(&xkey, keybuf, sizeof(keybuf), NULL, &state) ) { |
101 | /* |
102 | * FIXME: XLookupString() may yield more than one |
103 | * character, so we need a mechanism to allow for |
104 | * this (perhaps null keypress events with a |
105 | * unicode value) |
106 | */ |
107 | keysym.unicode = (Uint8)keybuf[0]; |
108 | } |
109 | } |
110 | posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym); |
111 | } |
112 | break; |
113 | |
114 | /* Key release? */ |
115 | case KeyRelease: { |
116 | SDL_keysym keysym; |
117 | KeyCode keycode; |
118 | XKeyEvent xkey; |
119 | |
120 | SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey); |
121 | keycode = xkey.keycode; |
122 | #ifdef DEBUG_XEVENTS |
123 | printf("KeyRelease (X11 keycode = 0x%X)\n", xkey.keycode); |
124 | #endif |
125 | /* Get the translated SDL virtual keysym */ |
126 | keysym.scancode = keycode; |
127 | keysym.sym = X11_TranslateKeycode(DGA_Display, keycode); |
128 | keysym.mod = KMOD_NONE; |
129 | keysym.unicode = 0; |
130 | posted = SDL_PrivateKeyboard(SDL_RELEASED, &keysym); |
131 | } |
132 | break; |
133 | } |
134 | return(posted); |
135 | } |
136 | |
137 | void DGA_PumpEvents(_THIS) |
138 | { |
139 | /* Keep processing pending events */ |
140 | LOCK_DISPLAY(); |
141 | |
142 | /* Update activity every five seconds to prevent screensaver. --ryan. */ |
143 | if (!allow_screensaver) { |
144 | static Uint32 screensaverTicks; |
145 | Uint32 nowTicks = SDL_GetTicks(); |
146 | if ((nowTicks - screensaverTicks) > 5000) { |
147 | XResetScreenSaver(DGA_Display); |
148 | screensaverTicks = nowTicks; |
149 | } |
150 | } |
151 | |
152 | while ( X11_Pending(DGA_Display) ) { |
153 | DGA_DispatchEvent(this); |
154 | } |
155 | |
156 | UNLOCK_DISPLAY(); |
157 | } |
158 | |
159 | void DGA_InitOSKeymap(_THIS) |
160 | { |
161 | X11_InitKeymap(); |
162 | } |
163 | |