Fix gap

pulse-ui/src/unit.rs

@@ -9,6 +9,7 @@ pub enum Size {
     Fixed(u16),
     Flex(u16),
     Percent(u16),
+    Fill,
 }
 
 #[derive(Debug, Clone, Copy)]
@@ -20,17 +21,22 @@ pub struct Rect {
 }
 
 impl Size {
+    pub fn is_fill(&self) -> bool {
+        matches!(self, Self::Fill)
+    }
+
     pub fn get_fixed(&self, alloc: u16) -> u16 {
         match self {
             Self::Fixed(v) => *v,
             Self::Percent(v) => alloc * (*v) / 100,
-            Self::Flex(_) => 0,
+            Self::Flex(_) | Self::Fill => 0,
         }
     }
 
     pub fn get_flex(&self) -> u16 {
         match self {
             Self::Flex(f) => *f,
+            Self::Fill => 1,
             _ => 0,
         }
     }
@@ -46,6 +52,13 @@ impl Size {
                     remaining * v / total_weight
                 }
             }
+            Self::Fill => {
+                if total_weight == 0 {
+                    0
+                } else {
+                    remaining / total_weight
+                }
+            }
         }
     }
 }