config: Add merging for misc sections

4 files changed, 149 insertions, 48 deletions

diff --git a/niri-config/src/appearance.rs b/niri-config/src/appearance.rs
index 77ee5894..eba265b0 100644
--- a/niri-config/src/appearance.rs
+++ b/niri-config/src/appearance.rs
@@ -383,17 +383,12 @@ pub struct ShadowOffset {
     pub y: FloatOrInt<-65535, 65535>,
 }
 
-#[derive(knuffel::Decode, Debug, Clone, Copy, PartialEq)]
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub struct WorkspaceShadow {
-    #[knuffel(child)]
     pub off: bool,
-    #[knuffel(child, default = Self::default().offset)]
     pub offset: ShadowOffset,
-    #[knuffel(child, unwrap(argument), default = Self::default().softness)]
-    pub softness: FloatOrInt<0, 1024>,
-    #[knuffel(child, unwrap(argument), default = Self::default().spread)]
-    pub spread: FloatOrInt<-1024, 1024>,
-    #[knuffel(child, default = Self::default().color)]
+    pub softness: f64,
+    pub spread: f64,
     pub color: Color,
 }
 
@@ -405,8 +400,8 @@ impl Default for WorkspaceShadow {
                 x: FloatOrInt(0.),
                 y: FloatOrInt(10.),
             },
-            softness: FloatOrInt(40.),
-            spread: FloatOrInt(10.),
+            softness: 40.,
+            spread: 10.,
             color: Color::from_rgba8_unpremul(0, 0, 0, 0x50),
         }
     }
@@ -417,8 +412,8 @@ impl From<WorkspaceShadow> for Shadow {
         Self {
             on: !value.off,
             offset: value.offset,
-            softness: value.softness.0,
-            spread: value.spread.0,
+            softness: value.softness,
+            spread: value.spread,
             draw_behind_window: false,
             color: value.color,
             inactive_color: None,
@@ -426,6 +421,34 @@ impl From<WorkspaceShadow> for Shadow {
     }
 }
 
+#[derive(knuffel::Decode, Debug, Clone, Copy, PartialEq)]
+pub struct WorkspaceShadowPart {
+    #[knuffel(child)]
+    pub off: bool,
+    #[knuffel(child)]
+    pub on: bool,
+    #[knuffel(child)]
+    pub offset: Option<ShadowOffset>,
+    #[knuffel(child, unwrap(argument))]
+    pub softness: Option<FloatOrInt<0, 1024>>,
+    #[knuffel(child, unwrap(argument))]
+    pub spread: Option<FloatOrInt<-1024, 1024>>,
+    #[knuffel(child)]
+    pub color: Option<Color>,
+}
+
+impl MergeWith<WorkspaceShadowPart> for WorkspaceShadow {
+    fn merge_with(&mut self, part: &WorkspaceShadowPart) {
+        self.off |= part.off;
+        if part.on {
+            self.off = false;
+        }
+
+        merge_clone!((self, part), offset, color);
+        merge!((self, part), softness, spread);
+    }
+}
+
 #[derive(Debug, Clone, Copy, PartialEq)]
 pub struct TabIndicator {
     pub off: bool,
diff --git a/niri-config/src/lib.rs b/niri-config/src/lib.rs
index 009d484a..7a07b71b 100644
--- a/niri-config/src/lib.rs
+++ b/niri-config/src/lib.rs
@@ -187,14 +187,14 @@ where
             match name {
                 // TODO: most (all?) of these need to be merged instead
                 "input" => m_replace!(input),
-                "cursor" => m_replace!(cursor),
-                "clipboard" => m_replace!(clipboard),
-                "hotkey-overlay" => m_replace!(hotkey_overlay),
-                "config-notification" => m_replace!(config_notification),
+                "cursor" => m_merge!(cursor),
+                "clipboard" => m_merge!(clipboard),
+                "hotkey-overlay" => m_merge!(hotkey_overlay),
+                "config-notification" => m_merge!(config_notification),
                 "animations" => m_replace!(animations),
                 "gestures" => m_replace!(gestures),
-                "overview" => m_replace!(overview),
-                "xwayland-satellite" => m_replace!(xwayland_satellite),
+                "overview" => m_merge!(overview),
+                "xwayland-satellite" => m_merge!(xwayland_satellite),
                 "switch-events" => m_merge!(switch_events),
                 "debug" => m_merge!(debug),
 
@@ -1459,9 +1459,7 @@ mod tests {
                 },
             },
             overview: Overview {
-                zoom: FloatOrInt(
-                    0.5,
-                ),
+                zoom: 0.5,
                 backdrop_color: Color {
                     r: 0.15,
                     g: 0.15,
@@ -1478,12 +1476,8 @@ mod tests {
                             10.0,
                         ),
                     },
-                    softness: FloatOrInt(
-                        40.0,
-                    ),
-                    spread: FloatOrInt(
-                        10.0,
-                    ),
+                    softness: 40.0,
+                    spread: 10.0,
                     color: Color {
                         r: 0.0,
                         g: 0.0,
diff --git a/niri-config/src/misc.rs b/niri-config/src/misc.rs
index 5252c8bf..66a200ca 100644
--- a/niri-config/src/misc.rs
+++ b/niri-config/src/misc.rs
@@ -1,4 +1,5 @@
-use crate::appearance::{Color, WorkspaceShadow, DEFAULT_BACKDROP_COLOR};
+use crate::appearance::{Color, WorkspaceShadow, WorkspaceShadowPart, DEFAULT_BACKDROP_COLOR};
+use crate::utils::{Flag, MergeWith};
 use crate::FloatOrInt;
 
 #[derive(knuffel::Decode, Debug, Clone, PartialEq, Eq)]
@@ -13,15 +14,11 @@ pub struct SpawnShAtStartup {
     pub command: String,
 }
 
-#[derive(knuffel::Decode, Debug, PartialEq)]
+#[derive(Debug, PartialEq)]
 pub struct Cursor {
-    #[knuffel(child, unwrap(argument), default = String::from("default"))]
     pub xcursor_theme: String,
-    #[knuffel(child, unwrap(argument), default = 24)]
     pub xcursor_size: u8,
-    #[knuffel(child)]
     pub hide_when_typing: bool,
-    #[knuffel(child, unwrap(argument))]
     pub hide_after_inactive_ms: Option<u32>,
 }
 
@@ -36,6 +33,26 @@ impl Default for Cursor {
     }
 }
 
+#[derive(knuffel::Decode, Debug, PartialEq)]
+pub struct CursorPart {
+    #[knuffel(child, unwrap(argument))]
+    pub xcursor_theme: Option<String>,
+    #[knuffel(child, unwrap(argument))]
+    pub xcursor_size: Option<u8>,
+    #[knuffel(child)]
+    pub hide_when_typing: Option<Flag>,
+    #[knuffel(child, unwrap(argument))]
+    pub hide_after_inactive_ms: Option<u32>,
+}
+
+impl MergeWith<CursorPart> for Cursor {
+    fn merge_with(&mut self, part: &CursorPart) {
+        merge_clone!((self, part), xcursor_theme, xcursor_size);
+        merge!((self, part), hide_when_typing);
+        merge_clone_opt!((self, part), hide_after_inactive_ms);
+    }
+}
+
 #[derive(knuffel::Decode, Debug, Clone, PartialEq)]
 pub struct ScreenshotPath(#[knuffel(argument)] pub Option<String>);
 
@@ -47,46 +64,94 @@ impl Default for ScreenshotPath {
     }
 }
 
-#[derive(knuffel::Decode, Debug, Default, Clone, Copy, PartialEq, Eq)]
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq)]
 pub struct HotkeyOverlay {
-    #[knuffel(child)]
     pub skip_at_startup: bool,
-    #[knuffel(child)]
     pub hide_not_bound: bool,
 }
 
 #[derive(knuffel::Decode, Debug, Default, Clone, Copy, PartialEq, Eq)]
-pub struct ConfigNotification {
+pub struct HotkeyOverlayPart {
     #[knuffel(child)]
+    pub skip_at_startup: Option<Flag>,
+    #[knuffel(child)]
+    pub hide_not_bound: Option<Flag>,
+}
+
+impl MergeWith<HotkeyOverlayPart> for HotkeyOverlay {
+    fn merge_with(&mut self, part: &HotkeyOverlayPart) {
+        merge!((self, part), skip_at_startup, hide_not_bound);
+    }
+}
+
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq)]
+pub struct ConfigNotification {
     pub disable_failed: bool,
 }
 
 #[derive(knuffel::Decode, Debug, Default, Clone, Copy, PartialEq, Eq)]
-pub struct Clipboard {
+pub struct ConfigNotificationPart {
     #[knuffel(child)]
+    pub disable_failed: Option<Flag>,
+}
+
+impl MergeWith<ConfigNotificationPart> for ConfigNotification {
+    fn merge_with(&mut self, part: &ConfigNotificationPart) {
+        merge!((self, part), disable_failed);
+    }
+}
+
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq)]
+pub struct Clipboard {
     pub disable_primary: bool,
 }
 
-#[derive(knuffel::Decode, Debug, Clone, Copy, PartialEq)]
+#[derive(knuffel::Decode, Debug, Default, Clone, Copy, PartialEq, Eq)]
+pub struct ClipboardPart {
+    #[knuffel(child)]
+    pub disable_primary: Option<Flag>,
+}
+
+impl MergeWith<ClipboardPart> for Clipboard {
+    fn merge_with(&mut self, part: &ClipboardPart) {
+        merge!((self, part), disable_primary);
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub struct Overview {
-    #[knuffel(child, unwrap(argument), default = Self::default().zoom)]
-    pub zoom: FloatOrInt<0, 1>,
-    #[knuffel(child, default = Self::default().backdrop_color)]
+    pub zoom: f64,
     pub backdrop_color: Color,
-    #[knuffel(child, default)]
     pub workspace_shadow: WorkspaceShadow,
 }
 
 impl Default for Overview {
     fn default() -> Self {
         Self {
-            zoom: FloatOrInt(0.5),
+            zoom: 0.5,
             backdrop_color: DEFAULT_BACKDROP_COLOR,
             workspace_shadow: WorkspaceShadow::default(),
         }
     }
 }
 
+#[derive(knuffel::Decode, Debug, Clone, Copy, PartialEq)]
+pub struct OverviewPart {
+    #[knuffel(child, unwrap(argument))]
+    pub zoom: Option<FloatOrInt<0, 1>>,
+    #[knuffel(child)]
+    pub backdrop_color: Option<Color>,
+    #[knuffel(child)]
+    pub workspace_shadow: Option<WorkspaceShadowPart>,
+}
+
+impl MergeWith<OverviewPart> for Overview {
+    fn merge_with(&mut self, part: &OverviewPart) {
+        merge!((self, part), zoom, workspace_shadow);
+        merge_clone!((self, part), backdrop_color);
+    }
+}
+
 #[derive(knuffel::Decode, Debug, Default, Clone, PartialEq, Eq)]
 pub struct Environment(#[knuffel(children)] pub Vec<EnvironmentVariable>);
 
@@ -98,11 +163,9 @@ pub struct EnvironmentVariable {
     pub value: Option<String>,
 }
 
-#[derive(knuffel::Decode, Debug, Clone, PartialEq, Eq)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub struct XwaylandSatellite {
-    #[knuffel(child)]
     pub off: bool,
-    #[knuffel(child, unwrap(argument), default = Self::default().path)]
     pub path: String,
 }
 
@@ -114,3 +177,24 @@ impl Default for XwaylandSatellite {
         }
     }
 }
+
+#[derive(knuffel::Decode, Debug, Clone, PartialEq, Eq)]
+pub struct XwaylandSatellitePart {
+    #[knuffel(child)]
+    pub off: bool,
+    #[knuffel(child)]
+    pub on: bool,
+    #[knuffel(child, unwrap(argument))]
+    pub path: Option<String>,
+}
+
+impl MergeWith<XwaylandSatellitePart> for XwaylandSatellite {
+    fn merge_with(&mut self, part: &XwaylandSatellitePart) {
+        self.off |= part.off;
+        if part.on {
+            self.off = false;
+        }
+
+        merge_clone!((self, part), path);
+    }
+}
diff --git a/src/layout/mod.rs b/src/layout/mod.rs
index e60828d9..79da17b5 100644
--- a/src/layout/mod.rs
+++ b/src/layout/mod.rs
@@ -4916,7 +4916,7 @@ impl<W: LayoutElement> Default for MonitorSet<W> {
 
 fn compute_overview_zoom(options: &Options, overview_progress: Option<f64>) -> f64 {
     // Clamp to some sane values.
-    let zoom = options.overview.zoom.0.clamp(0.0001, 0.75);
+    let zoom = options.overview.zoom.clamp(0.0001, 0.75);
 
     if let Some(p) = overview_progress {
         (1. - p * (1. - zoom)).max(0.0001)