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/*
* Copyright (c) 1998 - 1999, 2001 Karel Zak "Zakkr" <zakkr@zf.jcu.cz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* $Id: mouse.c,v 1.2 2001/01/02 14:16:15 zakkr Exp $
*/
#ifdef HAVE_MOUSE
#include "aca.h"
#include <stdlib.h>
#include <unistd.h> /* select(); */
#include <sys/time.h> /* timeval */
#include <sys/types.h> /* socket() */
#include <sys/stat.h>
#include <fcntl.h>
#include <gpm.h>
#include "mouse.h"
#define SELECT_TIME 86400 /* orig. gpm setting */
#define GET(win) ((win) ? wgetch(win) : getch())
int mouse_fd= 1;
Gpm_Connect conn;
int mouse_handler(Gpm_Event *event, void *data)
{
Gpm_DrawPointer(event->x, event->y, mouse_fd);
if (event->type & GPM_DOWN) {
aca.mouse_x = event->x-1;
aca.mouse_y = event->y-1;
if (event->buttons & GPM_B_LEFT)
return K_MOUSE_L;
else if (event->buttons & GPM_B_MIDDLE)
return K_MOUSE_M;
else
return K_MOUSE_R;
}
return K_MOUSE_NOT;
}
int init_mouse()
{
if (mouse_fd)
mouse_fd = open(ttyname(0), O_RDWR);
conn.eventMask=~0;
conn.defaultMask=0;
conn.maxMod=~0;
conn.minMod=0;
if (Gpm_Open(&conn, 0) == -1)
aca.mouse = FALSE;
else
aca.mouse = TRUE;
gpm_handler = mouse_handler;
atexit((void *) Gpm_Close);
return(RE_OK);
}
int aca_Gpm_Wgetch(WINDOW *win)
{
fd_set selSet;
int max, flag, result;
int fd=STDIN_FILENO;
static Gpm_Event ev;
if (!gpm_flag || gpm_fd==-1)
return GET(win);
if (gpm_morekeys)
return (*gpm_handler)(&ev,gpm_data);
gpm_hflag=0;
max = (gpm_fd>fd) ? gpm_fd : fd;
/*...................................................................*/
if (gpm_fd>=0) /* linux */
while(1) {
if (gpm_visiblepointer) GPM_DRAWPOINTER(&ev);
if (!win->_notimeout && win->_delay >= 0) {
FD_ZERO(&selSet);
FD_SET(fd,&selSet);
FD_SET(gpm_fd,&selSet);
/* Count to microseconds
- curses timer (_delay) is in milliseconds */
gpm_timeout.tv_sec = 10;
gpm_timeout.tv_usec = win->_delay * 1000;
flag=select(max+1,&selSet,(fd_set *)NULL,(fd_set *)NULL,&gpm_timeout);
if (FD_ISSET(fd,&selSet))
return GET(win);
if (!flag)
return ERR;
} else {
do {
FD_ZERO(&selSet);
FD_SET(fd,&selSet);
FD_SET(gpm_fd,&selSet);
gpm_timeout.tv_sec=SELECT_TIME;
flag=select(max+1,&selSet,(fd_set *)NULL,(fd_set *)NULL,&gpm_timeout);
} while (!flag);
if (FD_ISSET(fd,&selSet))
return GET(win);
if (flag==-1)
continue;
}
if (Gpm_GetEvent(&ev) && gpm_handler
&& (result=(*gpm_handler)(&ev,gpm_data)))
{
gpm_hflag=1;
return result;
}
}
else
/*...................................................................*/
if (gpm_fd==-2) /* xterm */
{
#define DELAY_MS 100
static struct timeval to={0,DELAY_MS*1000};
static fd_set selSet;
static int prevchar=EOF;
extern int gpm_convert_event(char *data, Gpm_Event *event);
int c; char mdata[4];
if ((c=prevchar)!=EOF) /* if ungetc() didn't suffice... */
{
prevchar=EOF;
return c;
}
while(1)
{
do
{
FD_ZERO(&selSet); FD_SET(fd,&selSet);
gpm_timeout.tv_sec=SELECT_TIME;
flag=select(fd+1,&selSet,(fd_set *)NULL,(fd_set *)NULL,&gpm_timeout);
}
while (!flag);
if ((c=GET(win))!=0x1b)
return c;
/* escape: go on */
FD_ZERO(&selSet); FD_SET(fd,&selSet); to.tv_usec=DELAY_MS*1000;
if ((flag=select(fd+1,&selSet,(fd_set *)NULL,(fd_set *)NULL,&to))==0)
return c;
if ((c=GET(win))!='[')
{ungetc(c,stdin);
return 0x1B;}
/* '[': go on */
FD_ZERO(&selSet); FD_SET(fd,&selSet); to.tv_usec=DELAY_MS*1000;
if ((flag=select(fd+1,&selSet,(fd_set *)NULL,(fd_set *)NULL,&to))==0)
{ungetc(c,stdin);
return 0x1B;}
if ((c=GET(win))!='M')
{ungetc(c,stdin);prevchar='[';
return 0x1B;}
/* now, it surely is a mouse event */
for (c=0;c<3;c++) mdata[c]=GET(win);
gpm_convert_event(mdata,&ev);
if (gpm_handler && (result=(*gpm_handler)(&ev,gpm_data)))
{
gpm_hflag=1;
return result;
}
} /* while(1) */
}
return 0;
}
#endif /* HAVE_MOUSE */
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