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|
/*
* xmouseless
*/
#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/XKBlib.h>
#include <X11/extensions/XTest.h>
#define LENGTH(X) (sizeof X / sizeof X[0])
typedef struct {
KeySym keysym;
float x;
float y;
} MoveBinding;
typedef struct {
KeySym keysym;
unsigned int button;
} ClickBinding;
typedef struct {
KeySym keysym;
unsigned int speed;
} SpeedBindings;
typedef struct {
KeySym keysym;
char *command;
} ShellBinding;
/* load configuration */
#include "config.h"
Display *dpy;
Window root;
pthread_t movethread;
static unsigned int speed = default_speed;
struct {
float x;
float y;
float speed_x;
float speed_y;
} mouseinfo;
void get_pointer();
void moverelative(float x, float y);
void click(unsigned int button, Bool is_press);
void handle_key(XKeyEvent event);
void init_x();
void close_x();
void get_pointer() {
int x, y;
int di;
unsigned int dui;
Window dummy;
XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui);
mouseinfo.x = x;
mouseinfo.y = y;
}
void moverelative(float x, float y) {
mouseinfo.x += x;
mouseinfo.y += y;
XWarpPointer(dpy, None, root, 0, 0, 0, 0,
(int) mouseinfo.x, (int) mouseinfo.y);
XFlush(dpy);
}
void click(unsigned int button, Bool is_press) {
XTestFakeButtonEvent(dpy, button, is_press, 0);
XFlush(dpy);
}
void init_x() {
int i;
int screen;
/* initialize support for concurrent threads */
XInitThreads();
dpy = XOpenDisplay((char *) 0);
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
/* turn auto key repeat off */
XAutoRepeatOff(dpy);
/* grab keys until success */
for (i = 0; i < 100; i++) {
if (XGrabKeyboard(dpy, root, False, GrabModeAsync,
GrabModeAsync, CurrentTime) == GrabSuccess)
return;
usleep(10000);
}
printf("grab keyboard failed\n");
close_x(EXIT_FAILURE);
}
void close_x(int exit_status) {
/* turn auto repeat on again */
XAutoRepeatOn(dpy);
XUngrabKey(dpy, AnyKey, AnyModifier, root);
XCloseDisplay(dpy);
exit(exit_status);
}
void *moveforever(void *val) {
/* this function is executed in a seperate thread */
while (1) {
if (mouseinfo.speed_x != 0 || mouseinfo.speed_y != 0) {
moverelative((float) mouseinfo.speed_x * speed / move_rate,
(float) mouseinfo.speed_y * speed / move_rate);
}
usleep(1000000 / move_rate);
}
}
void handle_key(XKeyEvent event) {
unsigned int i;
KeySym keysym;
Bool is_press;
keysym = XkbKeycodeToKeysym(dpy, event.keycode, 0, 0);
is_press = (event.type == KeyPress);
/* move bindings */
for (i = 0; i < LENGTH(move_bindings); i++) {
if (move_bindings[i].keysym == keysym) {
int sign = is_press ? 1 : -1;
mouseinfo.speed_x += sign * move_bindings[i].x;
mouseinfo.speed_y += sign * move_bindings[i].y;
}
}
/* click bindings */
for (i = 0; i < LENGTH(click_bindings); i++) {
if (click_bindings[i].keysym == keysym) {
click(click_bindings[i].button, is_press);
printf("click: %i %i\n", click_bindings[i].button, is_press);
}
}
/* speed bindings */
for (i = 0; i < LENGTH(speed_bindings); i++) {
if (speed_bindings[i].keysym == keysym) {
speed = is_press ? speed_bindings[i].speed : default_speed;
printf("speed: %i\n", speed);
}
}
/* shell and exit bindings only on key release */
if (!is_press) {
/* shell bindings */
for (i = 0; i < LENGTH(shell_bindings); i++) {
if (shell_bindings[i].keysym == keysym) {
printf("executing: %s\n", shell_bindings[i].command);
if (fork() == 0) {
system(shell_bindings[i].command);
exit(EXIT_SUCCESS);
}
}
}
/* exit */
for (i = 0; i < LENGTH(exit_keys); i++) {
if (exit_keys[i] == keysym) {
close_x(EXIT_SUCCESS);
}
}
}
}
int main () {
int rc;
XEvent event;
init_x();
get_pointer();
mouseinfo.speed_x = 0;
mouseinfo.speed_y = 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:
case KeyRelease:
get_pointer();
handle_key(event.xkey);
break;
}
}
}
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