Draft draggable and graphics logic for `TitleBar`

1 files changed, 21 insertions, 12 deletions

diff --git a/graphics/src/widget/container.rs b/graphics/src/widget/container.rs
index 070cb48b..576062d4 100644
--- a/graphics/src/widget/container.rs
+++ b/graphics/src/widget/container.rs
@@ -39,20 +39,10 @@ where
         let (content, mouse_interaction) =
             content.draw(self, &defaults, content_layout, cursor_position);
 
-        if style.background.is_some() || style.border_width > 0 {
-            let quad = Primitive::Quad {
-                bounds,
-                background: style
-                    .background
-                    .unwrap_or(Background::Color(Color::TRANSPARENT)),
-                border_radius: style.border_radius,
-                border_width: style.border_width,
-                border_color: style.border_color,
-            };
-
+        if let Some(background) = background(bounds, &style) {
             (
                 Primitive::Group {
-                    primitives: vec![quad, content],
+                    primitives: vec![background, content],
                 },
                 mouse_interaction,
             )
@@ -61,3 +51,22 @@ where
         }
     }
 }
+
+pub(crate) fn background(
+    bounds: Rectangle,
+    style: &container::Style,
+) -> Option<Primitive> {
+    if style.background.is_none() && style.border_width > 0 {
+        return None;
+    }
+
+    Some(Primitive::Quad {
+        bounds,
+        background: style
+            .background
+            .unwrap_or(Background::Color(Color::TRANSPARENT)),
+        border_radius: style.border_radius,
+        border_width: style.border_width,
+        border_color: style.border_color,
+    })
+}