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-rw-r--r--helix-view/src/view.rs20
1 files changed, 20 insertions, 0 deletions
diff --git a/helix-view/src/view.rs b/helix-view/src/view.rs
index 01f18c71..8a7d3374 100644
--- a/helix-view/src/view.rs
+++ b/helix-view/src/view.rs
@@ -218,6 +218,26 @@ impl View {
pub fn pos_at_screen_coords(&self, doc: &Document, row: u16, column: u16) -> Option<usize> {
self.text_pos_at_screen_coords(&doc.text().slice(..), row, column, doc.tab_width())
}
+
+ /// Translates screen coordinates into coordinates on the gutter of the view.
+ /// Returns a tuple of usize typed line and column numbers starting with 0.
+ /// Returns None if coordinates are not on the gutter.
+ pub fn gutter_coords_at_screen_coords(&self, row: u16, column: u16) -> Option<(usize, usize)> {
+ // 1 for status
+ if row < self.area.top() || row >= self.area.bottom() {
+ return None;
+ }
+
+ if column < self.area.left() || column > self.area.right() {
+ return None;
+ }
+
+ Some((
+ (row - self.area.top()) as usize,
+ (column - self.area.left()) as usize,
+ ))
+ }
+
// pub fn traverse<F>(&self, text: RopeSlice, start: usize, end: usize, fun: F)
// where
// F: Fn(usize, usize),