Code:
#include <linux/input.h>
#include <X11/Xlib.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdbool.h>
/*
Compile:
gcc mouse.c -o mouse -lX11 && ./mouse
To get mouse device name:
cat /proc/bus/input/devices | grep mouse
*/
#define MOUSEFILE "/dev/input/event11"
int main() {
int fd, init_clicked = false, pressing = false,
released = false, gestureSuccessful = false;
struct input_event ie;
Display *dpy;
Window root, child;
int rootX, rootY, winX, winY;
unsigned int mask;
dpy = XOpenDisplay(NULL);
XQueryPointer(dpy,DefaultRootWindow(dpy),&root,&child,
&rootX,&rootY,&winX,&winY,&mask);
if((fd = open(MOUSEFILE, O_RDONLY)) == -1) {
perror("opening device");
exit(EXIT_FAILURE);
}
while(read(fd, &ie, sizeof(struct input_event))) {
if (ie.type == 2) {
if (ie.code == 0) {
XQueryPointer(dpy,DefaultRootWindow(dpy),&root,&child,
&rootX,&rootY,&winX,&winY,&mask);
//rootX += ie.value;
} else if (ie.code == 1) {
XQueryPointer(dpy,DefaultRootWindow(dpy),&root,&child,
&rootX,&rootY,&winX,&winY,&mask);
// rootY += ie.value;
}
} else {
//ie.time.tv_sec, ie.time.tv_usec, ie.type, ie.code, ie.value);
if (ie.type == 1 && ie.code == 272 && ie.value == 1 &&
pressing == false && init_clicked == false && rootX < 10) {
init_clicked = true;
}else if (ie.type == 1 && ie.code == 272 && ie.value == 0 &&
pressing == true) {
released = true;
if (rootX > 100)
gestureSuccessful = true;
}
}
if (init_clicked == true) {
//XGrabPointer(dpy, root, False, ButtonPressMask | ButtonReleaseMask,
// GrabModeSync, GrabModeAsync, root, None, CurrentTime);
// reset values so they only do an action once
init_clicked = false;
pressing = true;
printf("\nInitially clicked.\n");
} else if (pressing == true && released == false) {
//printf("Pressing.\n");
} else if (released == true) {
printf("Released.\n\n");
if (gestureSuccessful == true)
printf("Gesture successful.\n\n");
pressing = false;
released = false;
gestureSuccessful = false;
//XUngrabPointer(dpy, CurrentTime);
}
//printf("type %d\tcode %d\tvalue %d\n", ie.type, ie.code, ie.value);
}
return 0;
}
How can I mask the input from the program when the gesture is being done?