From f81c9e531fba1831397e4c319ba352c07b24f564 Mon Sep 17 00:00:00 2001
From: Tom Smeding <t.j.smeding@uu.nl>
Date: Tue, 30 Aug 2022 16:00:36 +0200
Subject: gbrightness

---
 .gitignore      |  1 +
 .gitmodules     |  3 +++
 Makefile        | 15 ++++++++++-----
 gbrightness.cpp | 22 ++++++++++++++++++++++
 got-gui         |  1 +
 5 files changed, 37 insertions(+), 5 deletions(-)
 create mode 100644 .gitmodules
 create mode 100644 gbrightness.cpp
 create mode 160000 got-gui

diff --git a/.gitignore b/.gitignore
index 71ba227..751b0a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .ccls-cache/
 brightness
+gbrightness
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..f90e8ab
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "got-gui"]
+	path = got-gui
+	url = https://git.tomsmeding.com/got-gui
diff --git a/Makefile b/Makefile
index 8584d48..35b351a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,20 +1,25 @@
 CXX = g++
-CXXFLAGS = -Wall -Wextra -O2 -std=c++11
+CXXFLAGS = -Wall -Wextra -O2 -std=c++17
 INSTALL_DIR = $(HOME)/prefix/bin
 
-BIN = brightness
+BINS = brightness gbrightness
 
 .PHONY: all clean install
 
-all: $(BIN)
+all: $(BINS)
 
 clean:
-	rm -f $(BIN)
+	rm -f $(BINS)
 
 install:
 	sudo install -o root brightness $(INSTALL_DIR)
 	sudo chmod +s $(INSTALL_DIR)/brightness
 
 
-$(BIN): brightness.cpp $(wildcard *.h)
+brightness: brightness.cpp
 	$(CXX) $(CXXFLAGS) $(filter %.cpp,$^) -o $@
+
+UTILS = $(patsubst %,got-gui/%,gui.cpp gui.h xutil.cpp xutil.h command.cpp command.h)
+
+gbrightness: gbrightness.cpp $(UTILS)
+	$(CXX) $(CXXFLAGS) $(filter %.cpp,$^) -o $@ -lX11
diff --git a/gbrightness.cpp b/gbrightness.cpp
new file mode 100644
index 0000000..985d159
--- /dev/null
+++ b/gbrightness.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+#include <X11/keysym.h>
+#include "got-gui/command.h"
+#include "got-gui/xutil.h"
+
+
+int main() {
+	auto display = x::XOpenDisplayRAII(nullptr);
+	Display *dpy = display.first;
+
+	x::globalKeyboardGrab(dpy, [dpy](const XKeyEvent &ev) -> bool {
+		x::Keycode kc{ev.keycode};
+		if (kc == x::Keysym{XK_Up}.toCode(dpy)) {
+			runCommand({"brightness", "+"});
+		} else if (kc == x::Keysym{XK_Down}.toCode(dpy)) {
+			runCommand({"brightness", "-"});
+		} else {
+			return true;
+		}
+		return false;
+	});
+}
diff --git a/got-gui b/got-gui
new file mode 160000
index 0000000..7c6c2aa
--- /dev/null
+++ b/got-gui
@@ -0,0 +1 @@
+Subproject commit 7c6c2aad9ba78f780f0c0513aef3f14a2e6fd3ab
-- 
cgit v1.2.3