expore some more things (#744)

editor-core/src/buffer/rope_text.rs

@@ -405,6 +405,12 @@ impl<'a> From<&'a Rope> for RopeTextRef<'a> {
     }
 }
 
+impl RopeText for Rope {
+    fn text(&self) -> &Rope {
+        self
+    }
+}
+
 /// Joins an iterator of iterators over char indices `(usize, char)` into one
 /// as if they were from a single long string
 /// Assumes the iterators end after the first `None` value

editor-core/src/selection.rs

@@ -258,6 +258,18 @@ impl Selection {
         self.regions.iter().all(|region| region.is_caret())
     }
 
+    pub fn current_caret(&self) -> Option<usize> {
+        if self.regions.len() == 1 {
+            if self.regions[0].is_caret() {
+                Some(self.regions[0].start)
+            } else {
+                None
+            }
+        } else {
+            None
+        }
+    }
+
     /// Returns `true` if `self` has zero [`SelRegion`]
     pub fn is_empty(&self) -> bool {
         self.len() == 0

renderer/src/text/layout.rs

@@ -278,6 +278,10 @@ impl TextLayout {
             .set_size(&mut font_system, Some(width), Some(height));
     }
 
+    pub fn metrics(&self) -> Metrics {
+        self.buffer.metrics()
+    }
+
     pub fn lines(&self) -> &[BufferLine] {
         &self.buffer.lines
     }

renderer/src/text/mod.rs

@@ -3,7 +3,7 @@ mod layout;
 
 pub use attrs::{Attrs, AttrsList, AttrsOwned, FamilyOwned, LineHeightValue};
 pub use cosmic_text::{
-    fontdb, CacheKey, Cursor, Family, LayoutGlyph, LayoutLine, Stretch, Style, SubpixelBin,
-    SwashCache, SwashContent, Weight, Wrap,
+    fontdb, CacheKey, Cursor, Family, LayoutGlyph, LayoutLine, LineEnding, Stretch, Style,
+    SubpixelBin, SwashCache, SwashContent, Weight, Wrap,
 };
 pub use layout::{HitPoint, HitPosition, LayoutRun, TextLayout, FONT_SYSTEM};

src/style.rs

@@ -1682,12 +1682,12 @@ define_builtin_props!(
 
 prop!(
     /// How children overflowing their container in Y axis should affect layout
-    pub(crate) OverflowX: Overflow {} = Overflow::default()
+    pub OverflowX: Overflow {} = Overflow::default()
 );
 
 prop!(
     /// How children overflowing their container in X axis should affect layout
-    pub(crate) OverflowY: Overflow {} = Overflow::default()
+    pub OverflowY: Overflow {} = Overflow::default()
 );
 
 prop_extractor! {