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/* xkeycaps, Copyright (c) 1991, 1992, 1996 Jamie Zawinski <jwz@jwz.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation. No representations are made about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*/
#ifdef HAVE_XTRAP /* whole file */
#define NEED_EVENTS
#define NEED_REPLIES
#include <X11/Xproto.h>
#include <X11/extensions/xtrap/xtraplib.h>
#include <X11/extensions/xtrap/xtraplibp.h>
#include <stdio.h>
#include "KbdWidgetP.h"
static void xkeycaps_xtrap_key_event_callback ();
void
#ifdef __STDC__
xkeycaps_xtrap_open_connection (KeyboardWidget widget)
#else /* ! __STDC__ */
xkeycaps_xtrap_open_connection (widget)
KeyboardWidget widget;
#endif /* ! __STDC__ */
{
XETC *tc = 0;
if (((KeyboardWidget) widget)->keyboard.use_xtrap)
{
tc = XECreateTC (XtDisplay (widget), 0, 0);
if (! tc)
fprintf (stderr, "%s: XTrap initialization failed for display %s\n",
progname, DisplayString (XtDisplay (widget)));
}
if (tc)
{
EventFlags events;
XETrapSetTimestamps (tc, True, False);
memset (events, 0, sizeof (events));
BitTrue (events, KeyPress);
BitTrue (events, KeyRelease);
XETrapSetEvents (tc, True, events);
XEAddEventCBs (tc, events, xkeycaps_xtrap_key_event_callback,
(XtPointer) XtWindow (widget));
XEStartTrapRequest (tc);
}
widget->keyboard.trap_data = (char *) tc;
}
void
#ifdef __STDC__
xkeycaps_xtrap_main_loop (KeyboardWidget keyboard, XtAppContext app)
#else /* ! __STDC__ */
xkeycaps_xtrap_main_loop (keyboard, app)
KeyboardWidget keyboard;
XtAppContext app;
#endif /* ! __STDC__ */
{
XEvent event;
XETC *tc = (XETC *) keyboard->keyboard.trap_data;
XtInputMask imask;
while (1)
{
imask = XETrapAppPending (app);
/* Check to see what's going on so that we don't block in either
NextEvent or ProcessEvent since neither of these routines can
correctly deal with XTrap Events.
*/
if (imask & XtIMXEvent)
{
XtAppNextEvent (app, &event);
xkeycaps_DispatchEvent_hook (&event);
}
else if (imask & (XtIMTimer | XtIMAlternateInput))
XtAppProcessEvent (app, (XtIMTimer | XtIMAlternateInput));
else
/* Nothing going on, so we need to block */
XETrapWaitForSomething (app);
XETrapDispatchEvent (&event, tc);
}
}
void
#ifdef __STDC__
xkeycaps_xtrap_simulate_event (KeyboardWidget keyboard, XEvent *event)
#else /* ! __STDC__ */
xkeycaps_xtrap_simulate_event (keyboard, event)
KeyboardWidget keyboard;
XEvent *event;
#endif /* ! __STDC__ */
{
#if 0
if (XESimulateXEventRequest ((XETC *) keyboard->keyboard.trap_data,
event->xkey.type, event->xkey.keycode,
/* event->xkey.x, event->xkey.y, */
0, 0,
0))
fprintf (stderr, "%s: XTrap: KeyPress simulation failed\n", progname);
#endif
}
static void
#ifdef __STDC__
xkeycaps_xtrap_key_event_callback (XETC *tc, XETrapDatum *data, Window window)
#else /* ! __STDC__ */
xkeycaps_xtrap_key_event_callback (tc, data, window)
XETC *tc;
XETrapDatum *data;
Window window;
#endif /* ! __STDC__ */
{
XEvent event;
if (data->u.event.u.u.type != KeyPress &&
data->u.event.u.u.type != KeyRelease)
return;
event.xkey.serial = 0;
event.xkey.display = tc->dpy;
event.xkey.window = window;
event.xkey.type = data->u.event.u.u.type;
event.xkey.keycode = data->u.event.u.u.detail;
event.xkey.root = data->u.event.u.keyButtonPointer.root;
event.xkey.subwindow = data->u.event.u.keyButtonPointer.child;
event.xkey.time = data->u.event.u.keyButtonPointer.time;
event.xkey.state = data->u.event.u.keyButtonPointer.state;
event.xkey.x_root = data->u.event.u.keyButtonPointer.rootX;
event.xkey.y_root = data->u.event.u.keyButtonPointer.rootY;
event.xkey.x = data->u.event.u.keyButtonPointer.eventX;
event.xkey.y = data->u.event.u.keyButtonPointer.eventY;
event.xkey.send_event= -1;
/* fprintf (stderr, "simulating %s (%d, %d)\n",
(event.xkey.type == KeyPress ? "KeyPress" :
(event.xkey.type == KeyRelease ? "KeyRelease" : "???")),
event.xkey.type, event.xkey.keycode);
*/
XtDispatchEvent (&event);
}
#endif /* HAVE_XTRAP */
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