brightness-manager

Program that controls screen brightness, by modyfing monitor device file. Mainly intended to be used as a keybinded action, in windows managers that not supporting this feature by default like suckless DWM

usage:

Build and install brightness-manager

edit config.h if you need
build and install
```
$ make
$ sudo make install  
```
modyfing monitor device file needs sudo permissions, disable asking about password. Add this entry to /etc/sudoers
```
YourUserName ALL = (root) NOPASSWD: /usr/bin/brightness-manager
```
done, to increase or decrease your screen brightness type in terminal
```
increase
$ brightness-manager -i
decrease
$ brightness-manager -d
```

Configure keybinds in dwm's config.h and rebuild dwm

Include this header at a top of file, needed for brightness keys definitons
```
#include <X11/XF86keysym.h>
```

Add this commands definitions

static const char *brupcmd[] = { "sudo", "brightness-manager", "-i", NULL };
static const char *brdowncmd[] = { "sudo", "brightness-manager", "-d", NULL };

Add keybind to keys array

{ 0, XF86XK_MonBrightnessUp, spawn, {.v = brupcmd} },
{ 0, XF86XK_MonBrightnessDown, spawn, {.v = brdowncmd} },

Rebuild and reinstall dwm
Reboot or restart display-manager
```
systemctl restart display-manager
```

Have fun, after this few easy steps you will be able set fucking brightness on your linux pc. Or not

piotr022/brightness-manager

brightness-manager

usage: