Inital Commit

src/ropeintegration.rs

@@ -0,0 +1,33 @@
+use eframe::egui::{self, scroll_area::State};
+use ropey;
+
+#[derive(Default)]
+pub struct ERopey {
+    pub rope: ropey::Rope,
+    viewbuffer: String,
+}
+
+impl egui::widgets::TextBuffer for ERopey {
+    fn is_mutable(&self) -> bool {
+        true
+    }
+
+    fn as_str(&self) -> &str {
+        self.rope.slice(..).as_str().unwrap()
+    }
+
+    fn insert_text(&mut self, text: &str, char_index: usize) -> usize {
+        let first = self.rope.len_chars();
+        self.rope.insert(char_index, text);
+        let second = self.rope.len_chars();
+        second-first
+    }
+
+    fn delete_char_range(&mut self, char_range: std::ops::Range<usize>) {
+        self.rope.remove(char_range);
+    }
+
+    fn type_id(&self) -> std::any::TypeId {
+        std::any::TypeId::of::<Self>()
+    }
+}