bendns' repos / gracilaria
A simple CPU rendered GUI IDE experience.
Diffstat (limited to 'src/text/cursor.rs')
-rw-r--r--src/text/cursor.rs15
1 files changed, 14 insertions, 1 deletions
diff --git a/src/text/cursor.rs b/src/text/cursor.rs
index f8e4cc9..ed86ec9 100644
--- a/src/text/cursor.rs
+++ b/src/text/cursor.rs
@@ -113,7 +113,19 @@ pub macro ceach($cursor: expr, $f:expr $( => $q:tt)?) {
// use unhygienic2::unhygienic;
impl Cursor {
pub fn new(c: usize, r: &Rope) -> Self {
- Self { column: r.x(c).unwrap(), position: c, sel: None }
+ Self {
+ column: r.x(c).unwrap_or_else(|| {
+ log::error!("couldnt position column");
+ 0
+ }),
+ position: if c > r.len_chars() {
+ log::error!("couldnt add cursor at {c}");
+ r.len_chars() - 5
+ } else {
+ c
+ },
+ sel: None,
+ }
}
fn cl(self, r: &Rope) -> RopeSlice<'_> {
r.line(r.char_to_line(*self))
@@ -245,6 +257,7 @@ impl Cursor {
self.set_ho();
}
+ #[lower::apply(saturating)]
fn left(&mut self, r: &Rope) {
self.position -= 1;
self.setc(r);