| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2012 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| Sam Lantinga |
| slouken@libsdl.org |
| */ |
| #include "SDL_config.h" |
| |
| /* Handle the event stream, converting DGA events into SDL events */ |
| |
| #include <stdio.h> |
| #include <X11/Xlib.h> |
| #include "../Xext/extensions/xf86dga.h" |
| |
| #include "SDL_timer.h" |
| #include "../SDL_sysvideo.h" |
| #include "../../events/SDL_events_c.h" |
| #include "SDL_dgavideo.h" |
| #include "SDL_dgaevents_c.h" |
| |
| /* get function pointers... */ |
| #include "../x11/SDL_x11dyn.h" |
| |
| /* Heheh we're using X11 event code */ |
| extern int X11_Pending(Display *display); |
| extern void X11_InitKeymap(void); |
| extern SDLKey X11_TranslateKeycode(Display *display, KeyCode kc); |
| |
| static int DGA_DispatchEvent(_THIS) |
| { |
| int posted; |
| SDL_NAME(XDGAEvent) xevent; |
| |
| XNextEvent(DGA_Display, (XEvent *)&xevent); |
| |
| posted = 0; |
| xevent.type -= DGA_event_base; |
| switch (xevent.type) { |
| |
| /* Mouse motion? */ |
| case MotionNotify: { |
| if ( SDL_VideoSurface ) { |
| posted = SDL_PrivateMouseMotion(0, 1, |
| xevent.xmotion.dx, xevent.xmotion.dy); |
| } |
| } |
| break; |
| |
| /* Mouse button press? */ |
| case ButtonPress: { |
| posted = SDL_PrivateMouseButton(SDL_PRESSED, |
| xevent.xbutton.button, 0, 0); |
| } |
| break; |
| |
| /* Mouse button release? */ |
| case ButtonRelease: { |
| posted = SDL_PrivateMouseButton(SDL_RELEASED, |
| xevent.xbutton.button, 0, 0); |
| } |
| break; |
| |
| /* Key press? */ |
| case KeyPress: { |
| SDL_keysym keysym; |
| KeyCode keycode; |
| XKeyEvent xkey; |
| |
| SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey); |
| keycode = xkey.keycode; |
| #ifdef DEBUG_XEVENTS |
| printf("KeyPress (X11 keycode = 0x%X)\n", xkey.keycode); |
| #endif |
| /* Get the translated SDL virtual keysym */ |
| keysym.scancode = keycode; |
| keysym.sym = X11_TranslateKeycode(DGA_Display, keycode); |
| keysym.mod = KMOD_NONE; |
| keysym.unicode = 0; |
| |
| /* Look up the translated value for the key event */ |
| if ( SDL_TranslateUNICODE ) { |
| static XComposeStatus state; |
| char keybuf[32]; |
| |
| if ( XLookupString(&xkey, keybuf, sizeof(keybuf), NULL, &state) ) { |
| /* |
| * FIXME: XLookupString() may yield more than one |
| * character, so we need a mechanism to allow for |
| * this (perhaps null keypress events with a |
| * unicode value) |
| */ |
| keysym.unicode = (Uint8)keybuf[0]; |
| } |
| } |
| posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym); |
| } |
| break; |
| |
| /* Key release? */ |
| case KeyRelease: { |
| SDL_keysym keysym; |
| KeyCode keycode; |
| XKeyEvent xkey; |
| |
| SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey); |
| keycode = xkey.keycode; |
| #ifdef DEBUG_XEVENTS |
| printf("KeyRelease (X11 keycode = 0x%X)\n", xkey.keycode); |
| #endif |
| /* Get the translated SDL virtual keysym */ |
| keysym.scancode = keycode; |
| keysym.sym = X11_TranslateKeycode(DGA_Display, keycode); |
| keysym.mod = KMOD_NONE; |
| keysym.unicode = 0; |
| posted = SDL_PrivateKeyboard(SDL_RELEASED, &keysym); |
| } |
| break; |
| } |
| return(posted); |
| } |
| |
| void DGA_PumpEvents(_THIS) |
| { |
| /* Keep processing pending events */ |
| LOCK_DISPLAY(); |
| |
| /* Update activity every five seconds to prevent screensaver. --ryan. */ |
| if (!allow_screensaver) { |
| static Uint32 screensaverTicks; |
| Uint32 nowTicks = SDL_GetTicks(); |
| if ((nowTicks - screensaverTicks) > 5000) { |
| XResetScreenSaver(DGA_Display); |
| screensaverTicks = nowTicks; |
| } |
| } |
| |
| while ( X11_Pending(DGA_Display) ) { |
| DGA_DispatchEvent(this); |
| } |
| |
| UNLOCK_DISPLAY(); |
| } |
| |
| void DGA_InitOSKeymap(_THIS) |
| { |
| X11_InitKeymap(); |
| } |
| |