Add the option to disable mouse in the MRU

docs/wiki/Configuration:-Recent-Windows.md

@@ -36,6 +36,8 @@ recent-windows {
         Mod+grave       { next-window     filter="app-id"; }
         Mod+Shift+grave { previous-window filter="app-id"; }
     }
+
+    // disable-mouse
 }
 ```
 
@@ -191,3 +193,10 @@ For example, if you have <kbd>Mod</kbd><kbd>Shift</kbd><kbd>C</kbd> bound to `cl
 
 This way we don't need to hardcode things like HJKL directional movements.
 If you have, say, Colemak-DH MNEI binds instead, they will work for you in the window switcher (as long as they don't conflict with the hardcoded ones).
+
+### disable-mouse
+
+<sup>Since: next release</sup>
+
+This setting lets you disable your mouse from interacting with the window switcher.
+This option might be useful if you have a graphic tablet, and the pointer messes with the switcher

niri-config/src/recent_windows.rs

@@ -14,6 +14,7 @@ pub struct RecentWindows {
     pub highlight: MruHighlight,
     pub previews: MruPreviews,
     pub binds: Vec<Bind>,
+    pub enable_mouse: bool,
 }
 
 impl Default for RecentWindows {
@@ -25,6 +26,7 @@ impl Default for RecentWindows {
             highlight: MruHighlight::default(),
             previews: MruPreviews::default(),
             binds: default_binds(),
+            enable_mouse: true
         }
     }
 }
@@ -45,6 +47,10 @@ pub struct RecentWindowsPart {
     pub previews: Option<MruPreviewsPart>,
     #[knuffel(child)]
     pub binds: Option<MruBinds>,
+    #[knuffel(child)]
+    pub enable_mouse: bool,
+    #[knuffel(child)]
+    pub disable_mouse: bool,
 }
 
 impl MergeWith<RecentWindowsPart> for RecentWindows {
@@ -53,6 +59,10 @@ impl MergeWith<RecentWindowsPart> for RecentWindows {
         if part.off {
             self.on = false;
         }
+        self.enable_mouse |= part.enable_mouse;
+        if part.disable_mouse {
+            self.enable_mouse = false;
+        }
 
         merge_clone!((self, part), debounce_ms, open_delay_ms);
         merge!((self, part), highlight, previews);

src/ui/mru.rs

@@ -1028,6 +1028,11 @@ impl WindowMruUi {
         let UiState::Open(inner) = &mut self.state else {
             return None;
         };
+
+        if !inner.config.borrow().recent_windows.enable_mouse{
+            return None;
+        }
+
         // Don't handle pointer until the UI is visible.
         if !inner.is_fully_open() {
             return None;