src/video/dga/SDL_dgaevents.c
author Sam Lantinga <slouken@libsdl.org>
Mon, 19 Oct 2009 10:03:16 +0000
branchSDL-1.2
changeset 4366 f00e178dfc9e
parent 4159 a1b03ba2fcd0
child 6137 4720145f848b
permissions -rw-r--r--
Fixed bug #858 Fixed compiler warning
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2009 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* Handle the event stream, converting DGA events into SDL events */
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#include <stdio.h>
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#include <X11/Xlib.h>
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#include "../Xext/extensions/xf86dga.h"
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#include "SDL_timer.h"
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#include "../SDL_sysvideo.h"
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#include "../../events/SDL_events_c.h"
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#include "SDL_dgavideo.h"
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#include "SDL_dgaevents_c.h"
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/* get function pointers... */
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#include "../x11/SDL_x11dyn.h"
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/* Heheh we're using X11 event code */
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extern int X11_Pending(Display *display);
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extern void X11_InitKeymap(void);
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extern SDLKey X11_TranslateKeycode(Display *display, KeyCode kc);
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static int DGA_DispatchEvent(_THIS)
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{
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	int posted;
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	SDL_NAME(XDGAEvent) xevent;
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	XNextEvent(DGA_Display, (XEvent *)&xevent);
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	posted = 0;
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	xevent.type -= DGA_event_base;
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	switch (xevent.type) {
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	    /* Mouse motion? */
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	    case MotionNotify: {
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		if ( SDL_VideoSurface ) {
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			posted = SDL_PrivateMouseMotion(0, 1,
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					xevent.xmotion.dx, xevent.xmotion.dy);
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		}
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	    }
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	    break;
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	    /* Mouse button press? */
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	    case ButtonPress: {
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		posted = SDL_PrivateMouseButton(SDL_PRESSED, 
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					xevent.xbutton.button, 0, 0);
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	    }
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	    break;
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	    /* Mouse button release? */
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	    case ButtonRelease: {
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		posted = SDL_PrivateMouseButton(SDL_RELEASED, 
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					xevent.xbutton.button, 0, 0);
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	    }
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	    break;
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	    /* Key press? */
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	    case KeyPress: {
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		SDL_keysym keysym;
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		KeyCode keycode;
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		XKeyEvent xkey;
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		SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey);
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		keycode = xkey.keycode;
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#ifdef DEBUG_XEVENTS
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printf("KeyPress (X11 keycode = 0x%X)\n", xkey.keycode);
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#endif
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		/* Get the translated SDL virtual keysym */
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		keysym.scancode = keycode;
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		keysym.sym = X11_TranslateKeycode(DGA_Display, keycode);
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		keysym.mod = KMOD_NONE;
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		keysym.unicode = 0;
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		/* Look up the translated value for the key event */
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		if ( SDL_TranslateUNICODE ) {
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			static XComposeStatus state;
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			char keybuf[32];
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			if ( XLookupString(&xkey, keybuf, sizeof(keybuf), NULL, &state) ) {
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				/*
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				* FIXME: XLookupString() may yield more than one
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				* character, so we need a mechanism to allow for
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				* this (perhaps null keypress events with a
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				* unicode value)
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				*/
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				keysym.unicode = (Uint8)keybuf[0];
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			}
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		}
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		posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym);
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	    }
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	    break;
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	    /* Key release? */
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	    case KeyRelease: {
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		SDL_keysym keysym;
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		KeyCode keycode;
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		XKeyEvent xkey;
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		SDL_NAME(XDGAKeyEventToXKeyEvent)(&xevent.xkey, &xkey);
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		keycode = xkey.keycode;
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#ifdef DEBUG_XEVENTS
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printf("KeyRelease (X11 keycode = 0x%X)\n", xkey.keycode);
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#endif
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		/* Get the translated SDL virtual keysym */
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		keysym.scancode = keycode;
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		keysym.sym = X11_TranslateKeycode(DGA_Display, keycode);
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		keysym.mod = KMOD_NONE;
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		keysym.unicode = 0;
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		posted = SDL_PrivateKeyboard(SDL_RELEASED, &keysym);
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	    }
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	    break;
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	}
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	return(posted);
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}
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void DGA_PumpEvents(_THIS)
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{
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	/* Keep processing pending events */
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	LOCK_DISPLAY();
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	/* Update activity every five seconds to prevent screensaver. --ryan. */
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	if (!allow_screensaver) {
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		static Uint32 screensaverTicks;
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		Uint32 nowTicks = SDL_GetTicks();
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		if ((nowTicks - screensaverTicks) > 5000) {
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			XResetScreenSaver(DGA_Display);
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			screensaverTicks = nowTicks;
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		}
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	}
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0
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	while ( X11_Pending(DGA_Display) ) {
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		DGA_DispatchEvent(this);
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	}
4139
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101
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	UNLOCK_DISPLAY();
0
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}
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void DGA_InitOSKeymap(_THIS)
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{
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	X11_InitKeymap();
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}
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