Add a fractal clock example to showcase painting performance

emigui/src/containers/frame.rs

@@ -37,6 +37,16 @@ impl Frame {
             outline: Some(Outline::new(1.0, color::white(128))),
         }
     }
+
+    pub fn fill_color(mut self, fill_color: Option<Color>) -> Self {
+        self.fill_color = fill_color;
+        self
+    }
+
+    pub fn outline(mut self, outline: Option<Outline>) -> Self {
+        self.outline = outline;
+        self
+    }
 }
 
 impl Frame {

emigui/src/containers/window.rs

@@ -48,20 +48,27 @@ impl<'open> Window<'open> {
         self
     }
 
-    /// This is quite a crap idea
     /// Usage: `Winmdow::new(...).mutate(|w| w.resize = w.resize.auto_expand_width(true))`
+    /// Not sure this is a good interface for this.
     pub fn mutate(mut self, mutate: impl Fn(&mut Self)) -> Self {
         mutate(&mut self);
         self
     }
 
-    /// This is quite a crap idea
     /// Usage: `Winmdow::new(...).resize(|r| r.auto_expand_width(true))`
+    /// Not sure this is a good interface for this.
     pub fn resize(mut self, mutate: impl Fn(Resize) -> Resize) -> Self {
         self.resize = mutate(self.resize);
         self
     }
 
+    /// Usage: `Winmdow::new(...).frame(|f| f.fill_color(Some(BLUE)))`
+    /// Not sure this is a good interface for this.
+    pub fn frame(mut self, frame: Frame) -> Self {
+        self.frame = Some(frame);
+        self
+    }
+
     pub fn default_pos(mut self, default_pos: Pos2) -> Self {
         self.area = self.area.default_pos(default_pos);
         self
@@ -72,6 +79,10 @@ impl<'open> Window<'open> {
         self
     }
 
+    pub fn default_rect(self, rect: Rect) -> Self {
+        self.default_pos(rect.min).default_size(rect.size())
+    }
+
     pub fn min_size(mut self, min_size: Vec2) -> Self {
         self.resize = self.resize.min_size(min_size);
         self
@@ -100,6 +111,13 @@ impl<'open> Window<'open> {
         self.scroll = None;
         self
     }
+
+    pub fn scroll(mut self, scroll: bool) -> Self {
+        if !scroll {
+            self.scroll = None;
+        }
+        self
+    }
 }
 
 impl<'open> Window<'open> {