/****************************************************************************
* arch/sim/src/up_x11eventloop.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdio.h>
#include <X11/Xlib.h>
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Type Declarations
***************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
extern int up_tcenter(int x, int y, int buttons);
extern int up_tcleave(int x, int y, int buttons);
/****************************************************************************
* Public Variables
****************************************************************************/
/* Defined in up_x11framebuffer.c */
extern Display *g_display;
extern Window g_window;
/****************************************************************************
* Private Variables
****************************************************************************/
/****************************************************************************
* Private Functions
***************************************************************************/
/****************************************************************************
* Name: up_x11eventloop
***************************************************************************/
static int up_buttonmap(int state)
{
int ret = 0;
/* Remove any X11 dependencies. Possible bit settings include: Button1Mask,
* Button2Mask, Button3Mask, Button4Mask, Button5Mask, ShiftMask, LockMask,
* ControlMask, Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask. I assume
* that for a mouse device Button1Mask, Button2Mask, and Button3Mask are
* sufficient.
*/
if ((state & Button1Mask) != 0)
{
ret |= 1;
}
if ((state & Button2Mask) != 0)
{
ret |= 2;
}
if ((state & Button3Mask) != 0)
{
ret |= 4;
}
return ret;
}
/****************************************************************************
* Public Functions
***************************************************************************/
/****************************************************************************
* Name: up_x11eventloop
***************************************************************************/
int up_x11eventloop(int argc, char *argv[])
{
XEvent event;
int ret;
/* Grab the pointer (mouse) */
ret = XGrabPointer(g_display, g_window, 0,
EnterWindowMask|LeaveWindowMask,
GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
if (ret != GrabSuccess)
{
fprintf(stderr, "Failed grap pointer\n");
return -1;
}
/* Then loop forever, waiting for events and processing events as they are
* received.
*/
for (;;)
{
XNextEvent(g_display, &event);
switch (event.type)
{
case EnterNotify:
{
fprintf(stderr, "EnterNotify event: (%d,%d) %08x\n",
event.xcrossing.x, event.xcrossing.y, event.xcrossing.state);
up_tcenter(event.xcrossing.x, event.xcrossing.y,
up_buttonmap(event.xcrossing.state));
}
break;
case LeaveNotify :
{
fprintf(stderr, "LeaveNotify event: (%d,%d) %08x\n",
event.xcrossing.x, event.xcrossing.y, event.xcrossing.state);
up_tcleave(event.xcrossing.x, event.xcrossing.y,
up_buttonmap(event.xcrossing.state));
}
break;
default :
fprintf(stderr, "Unrecognized event: %d\n", event.type);
break;
}
}
return 0;
}
