From fa2105ebeec12718174377afa044f32170f94290 Mon Sep 17 00:00:00 2001 From: "B. Stack" Date: Wed, 28 Sep 2022 16:03:30 -0400 Subject: add C proof of concept --- experimental/status.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 experimental/status.c (limited to 'experimental/status.c') diff --git a/experimental/status.c b/experimental/status.c new file mode 100644 index 0000000..6357b62 --- /dev/null +++ b/experimental/status.c @@ -0,0 +1,40 @@ +/* + * File: status.c + * Location: https://bgstack15.ddns.net/cgit/keyboard-leds-trayicons/ + * Author: bgstack15 + * Startdate: 2022-09-28-4 13:30 + * SPDX-License-Identifier: GPL-3.0 + * Title: Proof of Concept C utility for polling capslock and numlock + * Purpose: Demonstrate these can be done in C, with the eventual goal of rewriting keyboard-leds-trayicons entirely in C to avoid the "sleep 0.75" in ps output + * History: + * Usage: + * References: + * https://github.com/Cairo-Dock/cairo-dock-plug-ins/blob/master/keyboard-indicator/src/applet-xklavier.c#L124 + * https://github.com/oco2000/xfce4-kbdleds-plugin/blob/fe753d9d0f8a720a35a32f5f556b8fbead798d20/panel-plugin/xkbleds.c + * Improvements: + * Write main keyboard-led-trayicons logic, which includes parsing config file (libconfig?) + * Write pipe connectivity to mktrayicon or integrate it entirely + * Dependencies: libx11-dev + */ +#include +#include +#include + +Display* dpy; + +int get_indicator(Display* dpy, char* indicator) { + // where indicator is one of ["Num Lock", "Caps Lock"] + Atom lockIndicator = XInternAtom(dpy, indicator, False); + int st; + XkbGetNamedIndicator(dpy, lockIndicator, NULL, &st, NULL, NULL); + return st; +} + +int main() { + dpy = XOpenDisplay( NULL ); + int status_capslock = get_indicator(dpy, "Caps Lock"); + int status_numlock = get_indicator(dpy, "Num Lock"); + printf("Capslock: %d\tNumlock: %d\n",status_capslock,status_numlock); + printf("done\n"); + return 0; +} -- cgit