diff options
| -rw-r--r-- | experimental/Makefile | 54 | ||||
| -rw-r--r-- | experimental/status.c | 40 |
2 files changed, 94 insertions, 0 deletions
diff --git a/experimental/Makefile b/experimental/Makefile new file mode 100644 index 0000000..27d84c4 --- /dev/null +++ b/experimental/Makefile @@ -0,0 +1,54 @@ +# References: +# BUILD_DIR and per-.cpp file https://spin.atomicobject.com/2016/08/26/makefile-c-projects/ +# https://bgstack15.ddns.net/blog/posts/2019/11/04/sample-makefile/ 2022-09-28-4 15:34 +awkbin :=$(shell which awk) +cpbin :=$(shell which cp) +echobin :=$(shell which echo) +findbin :=$(shell which find) +grepbin :=$(shell which grep) +installbin :=$(shell which install) +rmbin :=$(shell which rm) +sedbin :=$(shell which sed) +sortbin :=$(shell which sort) +truebin :=$(shell which true) + +CXX = g++ +CC = gcc + +# to get full debug symbols, add to both FLAGS: -g +# to make all warnings act as errors: -Wall -Weffc++ -Wextra -Wsign-conversion -Werror +CXXFLAGS = -g -std=c++17 -Wall -Weffc++ -Wextra -Wsign-conversion -Werror +CCFLAGS = -g -Wall -Wextra -Wsign-conversion -Werror `pkg-config x11 --cflags` + +# to remove all debug symbols: -s +# to add full debug symbols: -g +LDFLAGS = -g `pkg-config x11 --libs` + +src = $(wildcard *.c) +obj = $(src:.c=.o) + +BUILD_DIR ?= . + +OUTEXE = status + +all: $(OUTEXE) + +$(obj): + +$(BUILD_DIR)/%.o: %.c + $(CC) -c $(CCFLAGS) -o $@ $< + +# link +$(OUTEXE): $(obj) + $(CC) -o $@ $^ $(LDFLAGS) + +.PHONY: clean cleanall list + +list: + @$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | ${awkbin} -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | ${sortbin} | ${grepbin} -E -v -e '^[^[:alnum:]]' -e '^$@$$' -e '\.(cp*|o)' + +clean: + rm -f $(obj) + +cleanall: + rm -f $(obj) $(OUTEXE) 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<stdio.h> +#include<string.h> +#include<X11/XKBlib.h> + +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; +} |