SDL_dgaevents.c
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:3k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 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
- Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- Sam Lantinga
- slouken@libsdl.org
- */
- #ifdef SAVE_RCSID
- static char rcsid =
- "@(#) $Id: SDL_dgaevents.c,v 1.4 2002/04/22 21:38:04 wmay Exp $";
- #endif
- /* Handle the event stream, converting DGA events into SDL events */
- #include <stdio.h>
- #include <X11/Xlib.h>
- #include <XFree86/extensions/xf86dga.h>
- #include "SDL_sysvideo.h"
- #include "SDL_events_c.h"
- #include "SDL_dgavideo.h"
- #include "SDL_dgaevents_c.h"
- /* Heheh we're using X11 event code */
- extern int X11_Pending(Display *display);
- extern void X11_InitKeymap(void);
- extern SDL_keysym *X11_TranslateKey(Display *display, XKeyEvent *xkey,
- KeyCode kc, SDL_keysym *keysym);
- 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 or release? */
- case KeyPress:
- case KeyRelease: {
- SDL_keysym keysym;
- XKeyEvent xkey;
- SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey);
- posted = SDL_PrivateKeyboard((xevent.type == KeyPress),
- X11_TranslateKey(DGA_Display,
- &xkey, xkey.keycode,
- &keysym));
- }
- break;
- }
- return(posted);
- }
- void DGA_PumpEvents(_THIS)
- {
- /* Keep processing pending events */
- LOCK_DISPLAY();
- while ( X11_Pending(DGA_Display) ) {
- DGA_DispatchEvent(this);
- }
- UNLOCK_DISPLAY();
- }
- void DGA_InitOSKeymap(_THIS)
- {
- X11_InitKeymap();
- }