This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_dgaevents.c
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 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,
but WITHOUT ANY WARRANTY; without even the implied warranty of
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
License along with this library; if not, write to the Free Software
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 */
#include <stdio.h>
#include <X11/Xlib.h>
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#include "../Xext/extensions/xf86dga.h"
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#include "../SDL_sysvideo.h"
#include "../../events/SDL_events_c.h"
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#include "SDL_dgavideo.h"
#include "SDL_dgaevents_c.h"
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/* get function pointers... */
#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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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;
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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 */
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;
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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 */
keysym.scancode = keycode;
keysym.sym = X11_TranslateKeycode(DGA_Display, keycode);
keysym.mod = KMOD_NONE;
keysym.unicode = 0;
posted = SDL_PrivateKeyboard(SDL_RELEASED, &keysym);
}
break;
break;
}
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 */
LOCK_DISPLAY();
while (X11_Pending(DGA_Display)) {
DGA_DispatchEvent(this);
}
UNLOCK_DISPLAY();
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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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/* vi: set ts=4 sw=4 expandtab: */