Add InvertedVerticalLayout

src/config.rs

@@ -9,8 +9,8 @@ use crate::{
     fonts::{find_font, FontMap},
     widgets::{
         Backlight, Battery, Calendar, Clock, Date, HorizontalLayout, IndexedLayout, Interface,
-        InvertedHorizontalLayout, Layout, Line, Margin, PulseAudio, VerticalLayout,
-        Widget as RealWidget,
+        InvertedHorizontalLayout, InvertedVerticalLayout, Layout, Line, Margin, PulseAudio,
+        VerticalLayout, Widget as RealWidget,
     },
 };
 
@@ -31,6 +31,7 @@ pub enum Widget {
     HorizontalLayout(Vec<Widget>),
     InvertedHorizontalLayout(Vec<Widget>),
     VerticalLayout(Vec<Widget>),
+    InvertedVerticalLayout(Vec<Widget>),
     HorizontalLine(u32),
     VerticalLine(u32),
     Clock {
@@ -272,6 +273,9 @@ impl Widget {
             Widget::VerticalLayout(widgets) => widgets
                 .into_iter()
                 .for_each(|w| w.construct_widgets(v, fm, events)),
+            Widget::InvertedVerticalLayout(widgets) => widgets
+                .into_iter()
+                .for_each(|w| w.construct_widgets(v, fm, events)),
             Widget::HorizontalLine(width) => v.push(Box::new(Line::new(width, false))),
             Widget::VerticalLine(width) => v.push(Box::new(Line::new(width, true))),
             Widget::Clock { font, font_size } => v.push(Box::new(Clock::new(
@@ -343,6 +347,9 @@ impl Widget {
             Widget::VerticalLayout(widgets) => {
                 VerticalLayout::new(widgets.iter().map(|w| w.construct_layout(idx)).collect())
             }
+            Widget::InvertedVerticalLayout(widgets) => InvertedVerticalLayout::new(
+                widgets.iter().map(|w| w.construct_layout(idx)).collect(),
+            ),
             _ => IndexedLayout::new({
                 let i = *idx;
                 *idx += 1;

src/widgets/layout.rs

@@ -142,50 +142,6 @@ impl Layout for IndexedLayout {
     }
 }
 
-pub struct Margin {
-    pub widget: Box<dyn Layout>,
-    pub margin: (u32, u32, u32, u32),
-}
-
-impl Margin {
-    pub fn new(widget: Box<dyn Layout>, margin: (u32, u32, u32, u32)) -> Box<dyn Layout> {
-        Box::new(Margin { widget, margin })
-    }
-}
-
-impl Layout for Margin {
-    fn geometry_update(
-        &self,
-        fonts: &mut FontMap,
-        geometry: &Geometry,
-        state: &mut State,
-    ) -> Geometry {
-        let geo = Geometry {
-            x: geometry.x + self.margin.0,
-            y: geometry.y + self.margin.1,
-            width: geometry.width - self.margin.0 - self.margin.2,
-            height: geometry.height - self.margin.1 - self.margin.3,
-        };
-        let out = self.widget.geometry_update(fonts, &geo, state);
-        Geometry {
-            x: out.x - self.margin.0,
-            y: out.y - self.margin.1,
-            width: out.width + self.margin.0 + self.margin.2,
-            height: out.height + self.margin.1 + self.margin.3,
-        }
-    }
-
-    fn minimum_size(&self, fonts: &mut FontMap, state: &mut State) -> Geometry {
-        let size = self.widget.minimum_size(fonts, state);
-        Geometry {
-            width: size.x + size.width + self.margin.0 + self.margin.2,
-            height: size.y + size.height + self.margin.1 + self.margin.3,
-            x: 0,
-            y: 0,
-        }
-    }
-}
-
 pub struct InvertedHorizontalLayout {
     pub widgets: Vec<Box<dyn Layout>>,
 }
@@ -233,3 +189,96 @@ impl Layout for InvertedHorizontalLayout {
         }
     }
 }
+
+pub struct InvertedVerticalLayout {
+    pub widgets: Vec<Box<dyn Layout>>,
+}
+
+impl InvertedVerticalLayout {
+    pub fn new(widgets: Vec<Box<dyn Layout>>) -> Box<dyn Layout> {
+        Box::new(InvertedVerticalLayout { widgets })
+    }
+}
+
+impl Layout for InvertedVerticalLayout {
+    fn geometry_update(
+        &self,
+        fonts: &mut FontMap,
+        geometry: &Geometry,
+        state: &mut State,
+    ) -> Geometry {
+        let mut geo = geometry.clone();
+        let mut max_width = 0;
+        for w in self.widgets.iter() {
+            let mut temp_geo = geo.clone();
+            let temp_result = w.geometry_update(fonts, &temp_geo, state);
+            temp_geo.y = geo.y + (geo.height - temp_result.height);
+            let result = w.geometry_update(fonts, &temp_geo, state);
+            geo.height -= result.height;
+            max_width = max(result.width, max_width);
+        }
+        geo.width = max_width;
+        geo
+    }
+
+    fn minimum_size(&self, fonts: &mut FontMap, state: &mut State) -> Geometry {
+        let mut max_width = 0;
+        let mut max_height = 0;
+        for w in self.widgets.iter() {
+            let result = w.minimum_size(fonts, state);
+            max_width = max(result.x + result.width, max_width);
+            max_height += result.y + result.height;
+        }
+        Geometry {
+            width: max_width,
+            height: max_height,
+            x: 0,
+            y: 0,
+        }
+    }
+}
+
+pub struct Margin {
+    pub widget: Box<dyn Layout>,
+    pub margin: (u32, u32, u32, u32),
+}
+
+impl Margin {
+    pub fn new(widget: Box<dyn Layout>, margin: (u32, u32, u32, u32)) -> Box<dyn Layout> {
+        Box::new(Margin { widget, margin })
+    }
+}
+
+impl Layout for Margin {
+    fn geometry_update(
+        &self,
+        fonts: &mut FontMap,
+        geometry: &Geometry,
+        state: &mut State,
+    ) -> Geometry {
+        let geo = Geometry {
+            x: geometry.x + self.margin.0,
+            y: geometry.y + self.margin.1,
+            width: geometry.width - self.margin.0 - self.margin.2,
+            height: geometry.height - self.margin.1 - self.margin.3,
+        };
+        let out = self.widget.geometry_update(fonts, &geo, state);
+        Geometry {
+            x: out.x - self.margin.0,
+            y: out.y - self.margin.1,
+            width: out.width + self.margin.0 + self.margin.2,
+            height: out.height + self.margin.1 + self.margin.3,
+        }
+    }
+
+    fn minimum_size(&self, fonts: &mut FontMap, state: &mut State) -> Geometry {
+        let size = self.widget.minimum_size(fonts, state);
+        Geometry {
+            width: size.x + size.width + self.margin.0 + self.margin.2,
+            height: size.y + size.height + self.margin.1 + self.margin.3,
+            x: 0,
+            y: 0,
+        }
+    }
+}
+

src/widgets/mod.rs

@@ -19,8 +19,8 @@ pub use clock::Clock;
 pub use date::Date;
 pub use launcher::Interface;
 pub use layout::{
-    HorizontalLayout, IndexedLayout, InvertedHorizontalLayout, Layout, Margin, VerticalLayout,
-    WidgetUpdater,
+    HorizontalLayout, IndexedLayout, InvertedHorizontalLayout, InvertedVerticalLayout, Layout,
+    Margin, VerticalLayout, WidgetUpdater,
 };
 pub use line::Line;
 pub use pulseaudio::PulseAudio;