grouping on bar, converting AlphaColour from_rgba_unmultiplied, simplified grouping

komorebi-bar/src/bar.rs

@@ -244,6 +244,13 @@ impl Komobar {
             }
         }
 
+        if let Some(background) = self.config.background {
+            let theme_color = *self.bg_color.borrow();
+
+            self.bg_color
+                .replace(background.to_color32_or(Some(theme_color)));
+        }
+
         if let Some(font_size) = &config.font_size {
             tracing::info!("attempting to set custom font size: {font_size}");
             Self::set_font_size(ctx, *font_size);
@@ -430,22 +437,15 @@ impl eframe::App for Komobar {
                 );
         }
 
-        let theme_color = *self.bg_color.borrow();
-
-        if let Some(background) = self.config.background {
-            self.bg_color
-                .replace(background.to_color32_or(Some(theme_color)));
-        }
-
         let frame = if let Some(frame) = &self.config.frame {
             Frame::none()
                 .inner_margin(Margin::symmetric(
                     frame.inner_margin.x,
                     frame.inner_margin.y,
                 ))
-                .fill(theme_color)
+                .fill(*self.bg_color.borrow())
         } else {
-            Frame::none().fill(theme_color)
+            Frame::none().fill(*self.bg_color.borrow())
         };
 
         // NOTE: is there a better way?
@@ -453,21 +453,26 @@ impl eframe::App for Komobar {
         let render_config_clone = *render_config;
 
         CentralPanel::default().frame(frame).show(ctx, |ui| {
-            ui.horizontal_centered(|ui| {
-                ui.with_layout(Layout::left_to_right(Align::Center), |ui| {
-                    render_config.grouping.apply_on_side(ui, |ui| {
-                        for w in &mut self.left_widgets {
-                            w.render(ctx, ui, render_config_clone);
-                        }
+            // Apply grouping logic for the bar as a whole
+            render_config.grouping.clone().apply_on_bar(ui, |ui| {
+                ui.horizontal_centered(|ui| {
+                    // Left-aligned widgets layout
+                    ui.with_layout(Layout::left_to_right(Align::Center), |ui| {
+                        render_config.grouping.apply_on_side(ui, |ui| {
+                            for w in &mut self.left_widgets {
+                                w.render(ctx, ui, render_config_clone);
+                            }
+                        });
                     });
-                });
 
-                ui.with_layout(Layout::right_to_left(Align::Center), |ui| {
-                    render_config.grouping.apply_on_side(ui, |ui| {
-                        for w in &mut self.right_widgets {
-                            w.render(ctx, ui, render_config_clone);
-                        }
-                    });
+                    // Right-aligned widgets layout
+                    ui.with_layout(Layout::right_to_left(Align::Center), |ui| {
+                        render_config.grouping.apply_on_side(ui, |ui| {
+                            for w in &mut self.right_widgets {
+                                w.render(ctx, ui, render_config_clone);
+                            }
+                        });
+                    })
                 })
             })
         });

komorebi-bar/src/config.rs

@@ -218,7 +218,7 @@ impl AlphaColour {
         };
 
         if let Some(alpha) = self.transparency_alpha {
-            return Color32::from_rgba_premultiplied(color.r(), color.g(), color.b(), alpha);
+            return Color32::from_rgba_unmultiplied(color.r(), color.g(), color.b(), alpha);
         }
 
         color

komorebi-bar/src/group.rs

@@ -20,53 +20,38 @@ use serde::Serialize;
 pub enum Grouping {
     /// No grouping is applied
     None,
-    /// Widgets are grouped individually
-    Widget(GroupingConfig),
+    /// Widgets are grouped on the bar
+    Bar(GroupingConfig),
     /// Widgets are grouped on each side
     Side(GroupingConfig),
+    /// Widgets are grouped individually
+    Widget(GroupingConfig),
 }
 
 impl Grouping {
+    pub fn apply_on_bar<R>(
+        &mut self,
+        ui: &mut Ui,
+        add_contents: impl FnOnce(&mut Ui) -> R,
+    ) -> InnerResponse<R> {
+        match self {
+            Self::Bar(config) => Self::define_frame(ui, config).show(ui, add_contents),
+            Self::Widget(_) => Self::default_response(ui, add_contents),
+            Self::Side(_) => Self::default_response(ui, add_contents),
+            Self::None => Self::default_response(ui, add_contents),
+        }
+    }
+
     pub fn apply_on_widget<R>(
         &mut self,
         ui: &mut Ui,
         add_contents: impl FnOnce(&mut Ui) -> R,
     ) -> InnerResponse<R> {
         match self {
-            Self::Widget(config) => Frame::none()
-                .fill(match config.fill {
-                    Some(color) => color.to_color32_or(None),
-                    None => Color32::TRANSPARENT,
-                })
-                .outer_margin(match config.outer_margin {
-                    Some(margin) => Self::rect_to_margin(margin),
-                    None => Margin::symmetric(0.0, 0.0),
-                })
-                .inner_margin(match config.inner_margin {
-                    Some(margin) => Self::rect_to_margin(margin),
-                    None => Margin::symmetric(5.0, 2.0),
-                })
-                .rounding(match config.rounding {
-                    Some(rounding) => rounding.into(),
-                    None => Rounding::same(5.0),
-                })
-                .stroke(match config.stroke {
-                    Some(line) => line.into(),
-                    None => ui.style().visuals.widgets.noninteractive.bg_stroke,
-                })
-                .shadow(match config.shadow {
-                    Some(shadow) => shadow.into(),
-                    None => Shadow::NONE,
-                })
-                .show(ui, add_contents),
-            Self::Side(_config) => InnerResponse {
-                inner: add_contents(ui),
-                response: ui.response().clone(),
-            },
-            Self::None => InnerResponse {
-                inner: add_contents(ui),
-                response: ui.response().clone(),
-            },
+            Self::Bar(_) => Self::default_response(ui, add_contents),
+            Self::Widget(config) => Self::define_frame(ui, config).show(ui, add_contents),
+            Self::Side(_) => Self::default_response(ui, add_contents),
+            Self::None => Self::default_response(ui, add_contents),
         }
     }
 
@@ -76,36 +61,48 @@ impl Grouping {
         add_contents: impl FnOnce(&mut Ui) -> R,
     ) -> InnerResponse<R> {
         match self {
-            Self::Widget(_config) => InnerResponse {
-                inner: add_contents(ui),
-                response: ui.response().clone(),
-            },
-            Self::Side(config) => Frame::none()
-                .fill(match config.fill {
-                    Some(color) => color.to_color32_or(None),
-                    None => Color32::TRANSPARENT,
-                })
-                .outer_margin(match config.outer_margin {
-                    Some(margin) => Self::rect_to_margin(margin),
-                    None => Margin::symmetric(0.0, 0.0),
-                })
-                .inner_margin(match config.inner_margin {
-                    Some(margin) => Self::rect_to_margin(margin),
-                    None => Margin::symmetric(5.0, 2.0),
-                })
-                .rounding(match config.rounding {
-                    Some(rounding) => rounding.into(),
-                    None => Rounding::same(5.0),
-                })
-                .stroke(match config.stroke {
-                    Some(line) => line.into(),
-                    None => ui.style().visuals.widgets.noninteractive.bg_stroke,
-                })
-                .show(ui, add_contents),
-            Self::None => InnerResponse {
-                inner: add_contents(ui),
-                response: ui.response().clone(),
-            },
+            Self::Bar(_) => Self::default_response(ui, add_contents),
+            Self::Widget(_) => Self::default_response(ui, add_contents),
+            Self::Side(config) => Self::define_frame(ui, config).show(ui, add_contents),
+            Self::None => Self::default_response(ui, add_contents),
+        }
+    }
+
+    fn define_frame(ui: &mut Ui, config: &mut GroupingConfig) -> Frame {
+        Frame::none()
+            .fill(match config.fill {
+                Some(color) => color.to_color32_or(None),
+                None => Color32::TRANSPARENT,
+            })
+            .outer_margin(match config.outer_margin {
+                Some(margin) => Self::rect_to_margin(margin),
+                None => Margin::symmetric(0.0, 0.0),
+            })
+            .inner_margin(match config.inner_margin {
+                Some(margin) => Self::rect_to_margin(margin),
+                None => Margin::symmetric(5.0, 2.0),
+            })
+            .rounding(match config.rounding {
+                Some(rounding) => rounding.into(),
+                None => Rounding::same(5.0),
+            })
+            .stroke(match config.stroke {
+                Some(line) => line.into(),
+                None => ui.style().visuals.widgets.noninteractive.bg_stroke,
+            })
+            .shadow(match config.shadow {
+                Some(shadow) => shadow.into(),
+                None => Shadow::NONE,
+            })
+    }
+
+    fn default_response<R>(
+        ui: &mut Ui,
+        add_contents: impl FnOnce(&mut Ui) -> R,
+    ) -> InnerResponse<R> {
+        InnerResponse {
+            inner: add_contents(ui),
+            response: ui.response().clone(),
         }
     }