LIGHT Add gui view and not sudo access.

bash/bashrc

@@ -166,10 +166,10 @@ if ! shopt -oq posix; then
     . /etc/bash_completion
   fi
 fi
-light()
-{
-  sudo sh -c 'echo '$1'  > /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/intel_backlight/brightness'
-}
+# light()
+# {
+ #  sudo sh -c 'echo '$1'  > /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/intel_backlight/brightness'
+# }
 mkdircd()
 {
 	mkdir $1; cd $1

light/init.sh

+if [[ $(id -u) -ne 0 ]] ; then echo "Please run as root" ; exit 1 ; fi
+apt install notify-osd
+g++ ./light.c -o /usr/bin/light
+chmod u+s /usr/bin/light
+g++ ./lightInfo.c -o /usr/bin/lightInfo
+chmod u+s /usr/bin/lightInfo
+cp ./lightGUI.sh  /usr/bin/lightGUI
+chmod o+x /usr/bin/lightGUI
+
+

light/light.c

@@ -16,6 +16,7 @@ int main(int argc,char ** argv)
 		FILE * f = fopen(adr,"w");
 		fprintf(f,"%d",atoi(argv[2]));
 		fclose(f);
+		return 0;
 	}
 	double argv2 = atof(argv[2]);
 	double light;

light/light.sh

- sudo sh -c 'echo '$1'  > /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/intel_backlight/brightness'

light/lightGUI.sh

+notify-send "JAS" "`lightInfo`" -h string:x-canonical-private-synchronous:anything

light/lightInfo.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <math.h>
+
+const char adr [] = "/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/intel_backlight/brightness";
+const int lightMin = 2;
+const int lightMax = 937;
+int main(int argc,char ** argv)
+{
+	setuid(0);
+	FILE * f = fopen(adr,"r");
+	int realAct;
+	fscanf(f,"%d",&realAct);
+	double act=log(realAct);
+	if(act<0) act = 0;
+	printf("%d%% %d\n[",int(100*act/log(lightMax)+0.5),realAct);
+	for(double i=0;i<log(lightMax);i+=0.3)
+		printf("%s",act<i?"−":"+");
+	printf("]");
+	fclose(f);
+}

light/sudolight.sh

-sudo sh -c 'echo '$1'  > /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/intel_backlight/brightness'
-#echo $1  > /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/intel_backlight/brightness