refactor

src/buffer/highlight.rs

@@ -21,29 +21,21 @@ impl Buffer {
         let mut list: Vec<Highlight> = vec![];
 
         list.push(Highlight {
-            name: "SelectedLine",
+            name: "CurrentLine",
             row: self.cursor.x,
             start: self.scroll.x,
             end: self.text_area.width as usize,
         });
 
-        if self.lines.len() == 0 {
-            panic!("I have no lines");
+        if let Some(end) = self.get_current_line_last_char_index() {
+            list.push(Highlight {
+                name: "CurrentLineText",
+                row: self.cursor.y,
+                start: 0,
+                end,
+            });
         }
 
-        let mut end = self.get_line(self.cursor.y).len();
-
-        if end > 0 {
-            end -= 1;
-        }
-
-        list.push(Highlight {
-            name: "SelectedLineText",
-            row: self.cursor.y,
-            start: 0,
-            end,
-        });
-
         list
     }
 }

src/buffer/text.rs

@@ -53,6 +53,18 @@ impl Buffer {
         self.get_current_line().len()
     }
 
+    pub fn get_line_last_char_index(&self, row: usize) -> Option<usize> {
+        let line = self.lines.get(row)?;
+        match line.len() {
+            0 => None,
+            length => Some(length - 1),
+        }
+    }
+
+    pub fn get_current_line_last_char_index(&self) -> Option<usize> {
+        self.get_line_last_char_index(self.cursor.y)
+    }
+
     pub fn get_row_count(&self) -> usize {
         self.lines.len()
     }

src/commands/find_file.rs

@@ -22,7 +22,7 @@ impl FindFileCommand {
         files_popup.options.show_info_column = false;
         files_popup.set_size(files_popup.area.clone()); // TODO: Move
         files_popup.styles.insert(
-            "SelectedLineText",
+            "CurrentLineText",
             Style {
                 fg: (88, 129, 87),
                 bg: SILVER,