Undo notification close (history) #574

README.md

@@ -258,6 +258,7 @@ To reload css after changes
 - Delete/BackSpace: Close notification
 - Shift+C: Close all notifications
 - Shift+D: Toggle Do Not Disturb
+- Ctrl+Z: Restore latest closed notification
 - Buttons 1-9: Execute alternative actions
 - Left click button / actions: Activate notification action
 - Middle/Right click notification: Close notification

man/swaync.1.scd

@@ -43,6 +43,8 @@ swaync - A simple notification daemon with a GTK gui for notifications and the c
 
 *Shift+D*: Toggle Do Not Disturb
 
+*Ctrl+Z*: Restore latest closed notification
+
 *Buttons 1-9*: Execute alternative actions
 
 *Left click button / actions*: Activate notification action

src/controlCenter/controlCenter.vala

@@ -97,6 +97,8 @@ namespace SwayNotificationCenter {
         HashTable<string, unowned NotificationGroup> noti_groups_name =
             new HashTable<string, unowned NotificationGroup> (str_hash, str_equal);
 
+        Queue<Notification> notification_history = new Queue<Notification> ();
+
         const string STACK_NOTIFICATIONS_PAGE = "notifications-list";
         const string STACK_PLACEHOLDER_PAGE = "notifications-placeholder";
 
@@ -253,6 +255,14 @@ namespace SwayNotificationCenter {
                 case "Caps_Lock":
                     this.set_visibility (false);
                     return;
+                case "z":
+                    if (state == Gdk.ModifierType.CONTROL_MASK) {
+                        if (notification_history.length > 0) {
+                            var first_in_history = notification_history.pop_head ();
+                            add_notification (first_in_history.param);
+                        }
+                    }
+                    return;
             }
         }
 
@@ -648,6 +658,8 @@ namespace SwayNotificationCenter {
             foreach (var w in group.get_notifications ()) {
                 var noti = (Notification) w;
                 if (noti != null && noti.param.applied_id == id) {
+                    notification_history.push_head (noti);
+
                     if (dismiss) {
                         noti.close_notification (false);
                     }