52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
#include <stdio.h>
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#include <stdbool.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/XF86keysym.h>
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#include "grab.h"
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static int error_handler(Display *dpy, XErrorEvent *err) {
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fprintf(stderr, "Failed to grab key!\n");
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return 0;
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}
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void grab_init(void (*handler)(enum HotkeyEvent e)) {
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Display *dpy = XOpenDisplay(0);
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Window root = DefaultRootWindow(dpy);
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XEvent ev;
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struct Hotkey hotkeys[HOTKEYS_COUNT] = {
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{ HK_PAUSE, XKeysymToKeycode(dpy, XF86XK_AudioPause) },
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{ HK_PLAY, XKeysymToKeycode(dpy, XF86XK_AudioPlay) },
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{ HK_NEXT, XKeysymToKeycode(dpy, XF86XK_AudioNext) },
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{ HK_PREV, XKeysymToKeycode(dpy, XF86XK_AudioPrev) }
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};
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XSetErrorHandler(error_handler);
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for (int i = 0; i < HOTKEYS_COUNT; i++) {
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XGrabKey(dpy, hotkeys[i].keycode, 0, root, false, GrabModeAsync, GrabModeAsync);
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}
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XSelectInput(dpy, root, KeyPressMask);
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while (true) {
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XNextEvent(dpy, &ev);
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switch (ev.type) {
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case KeyPress: ;
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for (int i = 0; i < HOTKEYS_COUNT; i++) {
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if (ev.xkey.keycode == hotkeys[i].keycode) {
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(*handler)(hotkeys[i].event);
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break;
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}
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}
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break;
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default:
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break;
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}
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}
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XCloseDisplay(dpy);
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}
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