added widget grouping and group module

komorebi-bar/src/group.rs

@@ -0,0 +1,74 @@
+use eframe::egui::Frame;
+use eframe::egui::InnerResponse;
+use eframe::egui::Margin;
+use eframe::egui::Rounding;
+use eframe::egui::Ui;
+use schemars::JsonSchema;
+use serde::Deserialize;
+use serde::Serialize;
+
+#[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema)]
+pub enum Grouping {
+    /// No grouping is applied
+    None,
+    /// Widgets are grouped individually
+    Widget(GroupingConfig),
+    /// Widgets are grouped on each side
+    Side(GroupingConfig),
+}
+
+impl Grouping {
+    pub fn apply_on_widget<R>(
+        &mut self,
+        ui: &mut Ui,
+        add_contents: impl FnOnce(&mut Ui) -> R,
+    ) -> InnerResponse<R> {
+        match self {
+            Self::None => InnerResponse {
+                inner: add_contents(ui),
+                response: ui.response().clone(),
+            },
+            Self::Widget(_config) => {
+                Frame::none()
+                    //.fill(Color32::from_black_alpha(255u8))
+                    .outer_margin(Margin::symmetric(0.0, 0.0))
+                    .inner_margin(Margin::symmetric(7.0, 2.0))
+                    .rounding(Rounding::same(15.0))
+                    .stroke(ui.style().visuals.widgets.noninteractive.bg_stroke)
+                    .show(ui, add_contents)
+            }
+            Self::Side(_config) => InnerResponse {
+                inner: add_contents(ui),
+                response: ui.response().clone(),
+            },
+        }
+    }
+}
+
+#[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema)]
+pub struct GroupingConfig {
+    pub rounding: Option<BorderRadius>,
+}
+
+#[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema)]
+pub struct BorderRadius {
+    /// Radius of the rounding of the North-West (left top) corner.
+    pub nw: f32,
+    /// Radius of the rounding of the North-East (right top) corner.
+    pub ne: f32,
+    /// Radius of the rounding of the South-West (left bottom) corner.
+    pub sw: f32,
+    /// Radius of the rounding of the South-East (right bottom) corner.
+    pub se: f32,
+}
+
+impl From<BorderRadius> for Rounding {
+    fn from(value: BorderRadius) -> Self {
+        Self {
+            nw: value.nw,
+            ne: value.ne,
+            sw: value.sw,
+            se: value.se,
+        }
+    }
+}