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/*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xos.h>
#include <X11/extensions/XTest.h>
int MOVE_RATE = 30;
int SPEED = 10;
Display *dpy;
int screen;
Window root;
pthread_t movethread;
struct {
int x;
int y;
int movex;
int movey;
} mouseinfo;
int getrootptr(int *x, int *y);
void moverelative(int x, int y);
void click(int button, int is_press);
void handle_keypress(XKeyEvent event);
void handle_keyrelease(XKeyEvent event);
void init_x();
void close_x();
int getrootptr(int *x, int *y) {
int di;
unsigned int dui;
Window dummy;
return XQueryPointer(dpy, root, &dummy, &dummy, x, y, &di, &di, &dui);
}
void moverelative(int x, int y) {
mouseinfo.x += x;
mouseinfo.y += y;
XWarpPointer(dpy, None, root, 0, 0, 0, 0, mouseinfo.x, mouseinfo.y);
XFlush(dpy);
}
void click(int button, int is_press) {
XTestFakeButtonEvent(dpy, button, is_press, 0);
XFlush(dpy);
}
void init_x() {
dpy=XOpenDisplay((char *)0);
screen=DefaultScreen(dpy);
root = RootWindow(dpy, screen);
XGrabKeyboard(dpy, root, False, GrabModeAsync, GrabModeAsync, CurrentTime);
/* turn auto repeat of key off */
XAutoRepeatOff(dpy);
}
void close_x() {
/* turn auto repeat on again */
XAutoRepeatOn(dpy);
XCloseDisplay(dpy);
}
void *moveforever(void *val) {
/* this is executed in a thread */
while (1) {
if (mouseinfo.movex != 0 || mouseinfo.movey != 0) {
moverelative(SPEED * mouseinfo.movex, SPEED * mouseinfo.movey);
}
usleep(1000000 / MOVE_RATE);
}
}
void handle_keypress(XKeyEvent event) {
if (event.keycode == 24 || event.keycode == 0x09) {
close_x();
exit(0);
}
else if (event.keycode == 45) {
mouseinfo.movex = 0;
mouseinfo.movey = 0;
}
else if (event.keycode == 44) {
mouseinfo.movex -= 1;
}
else if (event.keycode == 46) {
mouseinfo.movex += 1;
}
else if (event.keycode == 31) {
mouseinfo.movey -= 1;
}
else if (event.keycode == 59) {
mouseinfo.movey += 1;
}
else if (event.keycode == 64) {
SPEED = 40;
}
else if (event.keycode == 41) {
click(1, True);
}
else if (event.keycode == 39) {
click(3, True);
}
}
void handle_keyrelease(XKeyEvent event) {
if (event.keycode == 44) {
mouseinfo.movex += 1;
}
else if (event.keycode == 46) {
mouseinfo.movex -= 1;
}
else if (event.keycode == 31) {
mouseinfo.movey += 1;
}
else if (event.keycode == 59) {
mouseinfo.movey -= 1;
}
else if (event.keycode == 64) {
SPEED = 10;
}
else if (event.keycode == 41) {
click(1, False);
}
else if (event.keycode == 39) {
click(3, False);
}
}
int main () {
int rc;
XEvent event;
init_x();
getrootptr(&mouseinfo.x, &mouseinfo.y);
mouseinfo.movex = 0;
mouseinfo.movey = 0;
// start the thread for mouse movement
rc = pthread_create(&movethread, NULL, &moveforever, NULL);
if( rc != 0 ) {
printf("Unable to start thread.\n");
return EXIT_FAILURE;
}
while(1) {
XNextEvent(dpy, &event);
switch (event.type) {
case KeyPress:
getrootptr(&mouseinfo.x, &mouseinfo.y);
printf("You pressed %i\n", event.xkey.keycode);
handle_keypress(event.xkey);
break;
case KeyRelease:
printf("You released %i\n", event.xkey.keycode);
handle_keyrelease(event.xkey);
break;
}
}
}
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