rename parameters of TextArea::scroll

src/textarea.rs

@@ -481,6 +481,7 @@ impl<'a> TextArea<'a> {
     }
 
     /// Handle a key input without default key mappings. This method handles only
+    ///
     /// - Single character input without modifier keys
     /// - Tab
     /// - Enter
@@ -1492,10 +1493,10 @@ impl<'a> TextArea<'a> {
         self.search.style = style;
     }
 
-    /// Scroll the textarea by `delta_row` rows (vertically) and `delta_col` columns (horizontally). Positive scroll
-    /// amount means scrolling down or right. And negative scroll amount means scrolling up or left. The cursor will not
-    /// move until it goes out the viewport. When the cursor position is outside the viewport after scroll, the cursor
-    /// position will be adjusted to stay in the viewport using the same logic as [`CursorMove::InViewport`].
+    /// Scroll the textarea by `rows` lines (vertically) and `cols` columns (horizontally). Positive scroll amount means
+    /// scrolling down or right. And negative scroll amount means scrolling up or left. The cursor will not move until
+    /// it goes out the viewport. When the cursor position is outside the viewport after scroll, the cursor position will
+    /// be adjusted to stay in the viewport using the same logic as [`CursorMove::InViewport`].
     ///
     /// ```
     /// # use tui::buffer::Buffer;
@@ -1531,8 +1532,8 @@ impl<'a> TextArea<'a> {
     /// textarea.scroll(-5, 0);
     /// assert_eq!(textarea.cursor(), (12, 0));
     /// ```
-    pub fn scroll(&mut self, delta_row: i16, delta_col: i16) {
-        self.viewport.scroll(delta_row, delta_col);
+    pub fn scroll(&mut self, rows: i16, cols: i16) {
+        self.viewport.scroll(rows, cols);
         self.move_cursor(CursorMove::InViewport);
     }
 }

src/widget.rs

@@ -56,7 +56,7 @@ impl Viewport {
         self.0.store(u, Ordering::Relaxed);
     }
 
-    pub fn scroll(&mut self, delta_row: i16, delta_col: i16) {
+    pub fn scroll(&mut self, rows: i16, cols: i16) {
         fn apply_scroll(pos: u16, delta: i16) -> u16 {
             if delta >= 0 {
                 pos.saturating_add(delta as u16)
@@ -66,8 +66,8 @@ impl Viewport {
         }
 
         let u = self.0.get_mut();
-        let row = apply_scroll((*u >> 16) as u16, delta_row);
-        let col = apply_scroll(*u as u16, delta_col);
+        let row = apply_scroll((*u >> 16) as u16, rows);
+        let col = apply_scroll(*u as u16, cols);
         *u = (*u & 0xffff_ffff_0000_0000) | ((row as u64) << 16) | (col as u64);
     }
 }