Clear screen at initialization

src/interactive/app/eventloop.rs

@@ -136,6 +136,7 @@ impl TerminalApp {
         B: Backend,
     {
         terminal.hide_cursor()?;
+        terminal.clear()?;
         let mut display_options: DisplayOptions = options.clone().into();
         display_options.byte_vis = ByteVisualization::Bar;
         let mut window = ReactMainWindow::default();

tui-react/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "tui-react"
-version = "0.1.1"
+version = "0.1.2"
 authors = ["Sebastian Thiel <sthiel@thoughtworks.com>"]
 edition = "2018"
 repository = "https://github.com/Byron/dua-cli"

tui-react/src/lib.rs

@@ -3,3 +3,19 @@ mod terminal;
 
 pub use list::*;
 pub use terminal::*;
+
+/// re-export our exact version, in case it matters to someone
+pub use tui;
+
+use tui::buffer::Buffer;
+use tui::layout::Rect;
+use tui::style::Color;
+
+/// Helper method to quickly set the background of all cells inside the specified area.
+pub fn fill_background(area: Rect, buf: &mut Buffer, color: Color) {
+    for y in area.top()..area.bottom() {
+        for x in area.left()..area.right() {
+            buf.get_mut(x, y).set_bg(color);
+        }
+    }
+}