Implement interactive window move

niri-config/src/lib.rs

@@ -421,6 +421,8 @@ pub struct Layout {
     pub focus_ring: FocusRing,
     #[knuffel(child, default)]
     pub border: Border,
+    #[knuffel(child, default)]
+    pub insert_hint: InsertHint,
     #[knuffel(child, unwrap(children), default)]
     pub preset_column_widths: Vec<PresetSize>,
     #[knuffel(child)]
@@ -442,6 +444,7 @@ impl Default for Layout {
         Self {
             focus_ring: Default::default(),
             border: Default::default(),
+            insert_hint: Default::default(),
             preset_column_widths: Default::default(),
             default_column_width: Default::default(),
             center_focused_column: Default::default(),
@@ -588,6 +591,23 @@ impl From<FocusRing> for Border {
     }
 }
 
+#[derive(knuffel::Decode, Debug, Clone, Copy, PartialEq)]
+pub struct InsertHint {
+    #[knuffel(child)]
+    pub off: bool,
+    #[knuffel(child, default = Self::default().color)]
+    pub color: Color,
+}
+
+impl Default for InsertHint {
+    fn default() -> Self {
+        Self {
+            off: false,
+            color: Color::from_rgba8_unpremul(127, 200, 255, 128),
+        }
+    }
+}
+
 /// RGB color in [0, 1] with unpremultiplied alpha.
 #[derive(Debug, Default, Clone, Copy, PartialEq)]
 pub struct Color {
@@ -3028,6 +3048,10 @@ mod tests {
                 }
 
                 center-focused-column "on-overflow"
+
+                insert-hint {
+                    color "rgb(255, 200, 127)"
+                }
             }
 
             spawn-at-startup "alacritty" "-e" "fish"
@@ -3226,6 +3250,10 @@ mod tests {
                         active_gradient: None,
                         inactive_gradient: None,
                     },
+                    insert_hint: InsertHint {
+                        off: false,
+                        color: Color::from_rgba8_unpremul(255, 200, 127, 255),
+                    },
                     preset_column_widths: vec![
                         PresetSize::Proportion(0.25),
                         PresetSize::Proportion(0.5),