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#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <stdlib.h>
#include <stdio.h>
#define JOY_LEFT 1
#define JOY_RIGHT 2
#define JOY_UP 4
#define JOY_DOWN 8
#define JOY_BUTTON 128
#define LOW_THRESHOLD 93 /* perhaps it's better to test x relativ to y */
#define HIGH_THRESHOLD 107
void main(void)
{
Display *xd;
Window r,own;
int end=0,catch=0;
int s,x,y,joy=0;
GC gc;
int redraw=0;
xd = XOpenDisplay("");
r = DefaultRootWindow(xd);
s = DefaultScreen(xd);
printf("This is a program to test a playable mousecontrol.\n");
printf(" To start the test, press Button1 in the Window\n");
printf(" To end the program, press Button3 in the Window\n");
printf("While the test is running, Button1 = Fire, Button = StopWalking.\n");
own = XCreateSimpleWindow(xd,r,100,100,200,200,5,0,BlackPixel(xd,s));
gc = XCreateGC (xd,r,0,0);
XSelectInput (xd,own,PointerMotionMask|ButtonPressMask|ButtonReleaseMask);
XMapRaised (xd,own);
XFlush(xd);
for(;end==0;)
{
XEvent event1;
XNextEvent(xd,&event1);
switch(event1.type)
{
case ButtonPress:
if(event1.xbutton.button == Button1)
{
if(!catch)
{
catch = 1;
XGrabPointer(xd,own,False,
PointerMotionMask|ButtonPressMask|ButtonReleaseMask,
GrabModeAsync,GrabModeAsync,own,None,event1.xbutton.time);
}
else
{
redraw = 1;
joy |= JOY_BUTTON;
}
}
else if(event1.xbutton.button == Button3)
{
XUngrabPointer(xd,event1.xbutton.time);
end = 1;
}
else if(event1.xbutton.button == Button2)
joy &= 0xf0;
break;
case ButtonRelease:
if(event1.xbutton.button == Button1)
{
joy &= ~JOY_BUTTON;
redraw = 1;
}
break;
case MotionNotify:
if(catch == 1)
{
if((event1.xmotion.x != 100) || (event1.xmotion.y != 100))
{
if(event1.xmotion.x < LOW_THRESHOLD)
{
joy &= 0xf0;
joy |= JOY_LEFT;
if(event1.xmotion.y < LOW_THRESHOLD+2)
joy |= JOY_UP;
else if(event1.xmotion.y > HIGH_THRESHOLD-2)
joy |= JOY_DOWN;
}
else if(event1.xmotion.x > HIGH_THRESHOLD)
{
joy &= 0xf0;
joy |= JOY_RIGHT;
if(event1.xmotion.y < LOW_THRESHOLD+2)
joy |= JOY_UP;
else if(event1.xmotion.y > HIGH_THRESHOLD-2)
joy |= JOY_DOWN;
}
else if(event1.xmotion.y < LOW_THRESHOLD)
{
joy &= 0xf0;
joy |= JOY_UP;
}
else if(event1.xmotion.y > HIGH_THRESHOLD)
{
joy &= 0xf0;
joy |= JOY_DOWN;
}
XClearWindow(xd,own);
if(joy & JOY_LEFT) x = 0;
else if(joy & JOY_RIGHT) x = 200;
else x = 100;
if(joy & JOY_UP) y = 0;
else if(joy & JOY_DOWN) y = 200;
else y = 100;
XDrawLine(xd,own,gc,100,100,x,y);
if(joy & JOY_BUTTON)
XDrawArc(xd,own,gc,93,93,14,14,0,64*360);
redraw = 0;
XWarpPointer(xd,None,own,0,0,0,0,100,100);
}
}
break;
}
if(redraw)
{
XClearWindow(xd,own);
if(joy & JOY_LEFT) x = 0;
else if(joy & JOY_RIGHT) x = 200;
else x = 100;
if(joy & JOY_UP) y = 0;
else if(joy & JOY_DOWN) y = 200;
else y = 100;
XDrawLine(xd,own,gc,100,100,x,y);
if(joy & JOY_BUTTON)
XDrawArc(xd,own,gc,93,93,14,14,0,64*360);
redraw = 0;
}
}
XDestroyWindow(xd,own);
XCloseDisplay(xd);
}
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