Close notification with middle mouse button (#413)

* Close notification with middle mouse button

Signed-off-by: Stian Onarheim <stian.onarheim@protonmail.com>

* Fix linting issue

---------

Signed-off-by: Stian Onarheim <stian.onarheim@protonmail.com>
Co-authored-by: Erik Reider <35975961+ErikReider@users.noreply.github.com>

README.md

@@ -257,7 +257,7 @@ To reload css after changes
 - Shift+D: Toggle Do Not Disturb
 - Buttons 1-9: Execute alternative actions
 - Left click button / actions: Activate notification action
-- Right click notification: Close notification
+- Middle/Right click notification: Close notification
 
 ## Configuring
 

man/swaync.1.scd

@@ -44,7 +44,7 @@ swaync - A simple notification daemon with a GTK gui for notifications and the c
 
 *Left click button / actions*: Activate notification action
 
-*Right click notification*: Close notification
+*Middle/Right click notification*: Close notification
 
 # CONFIGURATION
 

src/notification/notification.vala

@@ -206,10 +206,15 @@ namespace SwayNotificationCenter {
             ///
 
             this.button_press_event.connect ((event) => {
-                if (event.button != Gdk.BUTTON_SECONDARY) return false;
+                // Close notification on middle and right button click
-                // Right click
+                switch (event.button) {
-                this.close_notification ();
+                    case Gdk.BUTTON_MIDDLE:
-                return true;
+                    case Gdk.BUTTON_SECONDARY:
+                        this.close_notification ();
+                        return true;
+                    default:
+                        return false;
+                }
             });
 
             // Adds CSS :hover selector to EventBox