Ignore touch events if the backlight is off

Author: kekrby

src/backlight.rs

@@ -86,4 +86,7 @@ impl BacklightManager {
             set_backlight(&self.bl_file, self.current_bl);
         }
     }
+    pub fn current_bl(&self) -> u32 {
+        self.current_bl
+    }
 }

src/main.rs

@@ -313,7 +313,7 @@ fn main() {
                     }
                 },
                 Event::Touch(te) => {
-                    if Some(te.device()) != digitizer {
+                    if Some(te.device()) != digitizer || backlight.current_bl() == 0 {
                         continue
                     }
                     match te {