added a welcome message
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29
src/tui.rs
29
src/tui.rs
@ -43,8 +43,37 @@ pub fn draw_status(screen: &mut Screen, editor: &Editor) {
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);
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}
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}
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pub fn draw_welcome(screen: &mut Screen, editor: &Editor) {
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// The welcome message
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let message: [&str; 6] = [
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&"λ Lambda".bright_yellow() as &str,
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"Hackable text editor for nerds",
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"",
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"Type :help to open the README.md document",
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"Type :o <file> to open a file and edit",
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"Type :q! or <C-c> to quit lambda",
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];
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// The starting y position in the centre of the screen
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let mut y = (screen.size.height / 2) - (message.len() / 2) - 2;
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for line in message {
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// Each line has different width so requires a different x position to center it
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let x = (screen.size.width / 2) - (line.len() / 2);
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// For each line we move downwards so increment y
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y += 1;
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// Write the line to the screen at position (x, y)
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screen.write_at(line.to_string(), Coords::from(x, y));
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}
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}
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pub fn start(screen: &mut Screen, editor: Editor) {
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pub fn start(screen: &mut Screen, editor: Editor) {
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loop {
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loop {
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// Draw the welcome message
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draw_welcome(screen, &editor);
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// Draw the status bar
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// Draw the status bar
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draw_status(screen, &editor);
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draw_status(screen, &editor);
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