Make Margin pub and move to style.rs (#1236)

egui/src/containers/frame.rs

@@ -1,51 +1,8 @@
 //! Frame container
 
-use crate::{layers::ShapeIdx, *};
+use crate::{layers::ShapeIdx, style::Margin, *};
 use epaint::*;
 
-#[derive(Clone, Copy, Debug, Default, PartialEq)]
-#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
-pub struct Margin {
-    pub left: f32,
-    pub right: f32,
-    pub top: f32,
-    pub bottom: f32,
-}
-
-impl Margin {
-    #[inline]
-    pub fn same(margin: f32) -> Self {
-        Self {
-            left: margin,
-            right: margin,
-            top: margin,
-            bottom: margin,
-        }
-    }
-
-    /// Margins with the same size on opposing sides
-    #[inline]
-    pub fn symmetric(x: f32, y: f32) -> Self {
-        Self {
-            left: x,
-            right: x,
-            top: y,
-            bottom: y,
-        }
-    }
-
-    /// Total margins on both sides
-    pub fn sum(&self) -> Vec2 {
-        Vec2::new(self.left + self.right, self.top + self.bottom)
-    }
-}
-
-impl From<Vec2> for Margin {
-    fn from(v: Vec2) -> Self {
-        Self::symmetric(v.x, v.y)
-    }
-}
-
 /// Color and margin of a rectangular background of a [`Ui`].
 #[derive(Clone, Copy, Debug, Default, PartialEq)]
 #[must_use = "You should call .show()"]

egui/src/containers/mod.rs

@@ -16,7 +16,7 @@ pub use {
     area::Area,
     collapsing_header::{CollapsingHeader, CollapsingResponse},
     combo_box::*,
-    frame::{Frame, Margin},
+    frame::Frame,
     panel::{CentralPanel, SidePanel, TopBottomPanel},
     popup::*,
     resize::Resize,

egui/src/style.rs

@@ -2,7 +2,7 @@
 
 #![allow(clippy::if_same_then_else)]
 
-use crate::{color::*, emath::*, FontFamily, FontId, Margin, Response, RichText, WidgetText};
+use crate::{color::*, emath::*, FontFamily, FontId, Response, RichText, WidgetText};
 use epaint::{mutex::Arc, Rounding, Shadow, Stroke};
 use std::collections::BTreeMap;
 
@@ -277,6 +277,49 @@ impl Spacing {
     }
 }
 
+#[derive(Clone, Copy, Debug, Default, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
+pub struct Margin {
+    pub left: f32,
+    pub right: f32,
+    pub top: f32,
+    pub bottom: f32,
+}
+
+impl Margin {
+    #[inline]
+    pub fn same(margin: f32) -> Self {
+        Self {
+            left: margin,
+            right: margin,
+            top: margin,
+            bottom: margin,
+        }
+    }
+
+    /// Margins with the same size on opposing sides
+    #[inline]
+    pub fn symmetric(x: f32, y: f32) -> Self {
+        Self {
+            left: x,
+            right: x,
+            top: y,
+            bottom: y,
+        }
+    }
+
+    /// Total margins on both sides
+    pub fn sum(&self) -> Vec2 {
+        Vec2::new(self.left + self.right, self.top + self.bottom)
+    }
+}
+
+impl From<Vec2> for Margin {
+    fn from(v: Vec2) -> Self {
+        Self::symmetric(v.x, v.y)
+    }
+}
+
 /// How and when interaction happens.
 #[derive(Clone, Debug, PartialEq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]