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#include<stdio.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
typedef struct Key {
unsigned int mod;
KeySym key;
char* command;
} Key;
#include "config.h"
#define LENGTH(X) (sizeof X / sizeof X[0])
#define CLEANMASK(mask) (mask & ~LockMask & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
void bind_key(Display *dpy, Window win, unsigned int mod, KeySym key) {
int keycode = XKeysymToKeycode(dpy, key);
XGrabKey(dpy, keycode, mod, win, False, GrabModeAsync, GrabModeAsync);
}
int error_handler(Display *disp, XErrorEvent *xe) {
if (xe->error_code == BadAccess) {
printf("daemonic: [BadAccess] Cant grab key binding. Already grabbed\n");
return 0;
}
printf("daemonic: Something went wrong");
return 1;
}
void keypress(Display *dpy, XKeyEvent *ev) {
unsigned int i;
KeySym keysym = XKeycodeToKeysym(dpy, (KeyCode) ev->keycode, 0);
for (i = 0; i < LENGTH(keys); i++) {
if (keysym == keys[i].key && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state) && keys[i].command) {
printf("Executin: %s\n", keys[i].command);
}
}
}
int main() {
XSetErrorHandler(error_handler);
int running = 10;
int i;
Display *dpy = XOpenDisplay(0);
Window root = DefaultRootWindow(dpy);
// Grab keys
for (i = 0; i < LENGTH(keys); i++) {
bind_key(dpy, root, keys[i].mod, keys[i].key);
}
XSelectInput(dpy, root, KeyPressMask);
/* main event loop */
XEvent ev;
XSync(dpy, False);
while (running && !XNextEvent(dpy, &ev)) {
if (ev.type == KeyPress) {
keypress(dpy, &ev.xkey);
running--;
}
}
XCloseDisplay(dpy);
}
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