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/*
Clif - A C-like Interpreter Framework
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997 T. Hruz, L. Koren
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.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* rw.c
*
* This program is started when graphical window is opened.
* It controls window events. If it is ExposureMask it redraws
* whole window. It is suitable for window managers which these
* events cannot process.
*/
#include <X11/Xlib.h>
#include <stdio.h>
#include <stdlib.h>
XGCValues value;
XEvent event;
XWindowAttributes root_window_att;
XSetWindowAttributes mywin_att;
GC default_gc,set_gc;
Window root,mywin;
Pixmap mypix;
Display *disp;
int screen;
int width, height;
int x=0,y=0;
unsigned int width_w, height_w,border=3;
unsigned long bord=1L,back=0L;
char znak;
#ifndef PROTO
#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined(__STDC__)
#define PROTO(ARGS) ARGS
#else
#define PROTO(ARGS) ()
#endif
#endif
int main PROTO((int, char **, char**));
extern void mysigignore PROTO((void));
int
main (argc, argv, envp)
int argc;
char **argv, **envp;
{
#if 0
int cnt;
printf (" starts in fork\n");
#endif
/*
* Function for ignoring interrupts.
*/
mysigignore ();
/*
* Parameters from parent process.
*/
mywin = atol (argv[1]);
mypix = atol (argv[2]);
if ((disp = XOpenDisplay (NULL)) == NULL)
{
printf (" XOpen fails \n");
return (-1);
}
#if 0
XSynchronize (disp, 1);
#endif
root = XDefaultRootWindow (disp);
screen = XDefaultScreen (disp);
if (!XGetWindowAttributes (disp, mywin, &root_window_att))
{
printf ("get window att failed \n");
abort ();
}
width = XDisplayWidth (disp, screen);
height = XDisplayHeight (disp, screen);
#if 0
printf ("w: %d, h: %d \n", width, height);
#endif
default_gc = XDefaultGC (disp, screen);
#if 0
XSetState (disp, default_gc, 0L, 0L, GXcopy, 0xffffffffL);
printf ("xsetstate in fork\n");
#endif
/*
* Event selection.
*/
XSelectInput (disp, mywin,
ExposureMask|StructureNotifyMask|SubstructureNotifyMask|KeyPressMask);
#if 0
printf ("xselectinput in fork\n");
#endif
while (1)
{
/*
* Processing of events.
*/
XWindowEvent (disp, mywin,
ExposureMask|SubstructureNotifyMask|StructureNotifyMask,
&event);
#if 0
printf ("cnt = %d\n", cnt);
printf ("%d\n", event.type);
#endif
if (event.type == 12)
{
XCopyArea (disp, mypix, mywin, default_gc, 0, 0,
root_window_att.width, root_window_att.height, 0,
0);
#if 0
printf ("xcopyarea\n");
#endif
}
if (event.type == 17)
{
#if 0
printf("destroynotify\n");
#endif
exit (0);
}
}
}
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