143 lines
3.0 KiB
Rust
143 lines
3.0 KiB
Rust
//!
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//! Terminal Examples
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//!
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use std::io;
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use crossterm::{cursor, terminal, ClearType};
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fn print_test_data() {
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for i in 0..100 {
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println!("Test data to test terminal: {}", i);
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}
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}
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/// Clear all lines in terminal | demonstration
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pub fn clear_all_lines() -> io::Result<()> {
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let terminal = terminal();
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print_test_data();
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// Clear all lines in terminal;
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terminal.clear(ClearType::All)?;
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Ok(())
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}
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/// Clear all lines from cursor position X:4, Y:4 down | demonstration
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pub fn clear_from_cursor_down() -> io::Result<()> {
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let terminal = terminal();
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print_test_data();
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// Set terminal cursor position (see example for more info).
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cursor().goto(4, 8)?;
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// Clear all cells from current cursor position down.
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terminal.clear(ClearType::FromCursorDown)?;
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Ok(())
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}
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/// Clear all lines from cursor position X:4, Y:4 up | demonstration
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pub fn clear_from_cursor_up() -> io::Result<()> {
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let terminal = terminal();
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print_test_data();
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// Set terminal cursor position (see example for more info).
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cursor().goto(4, 4)?;
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// Clear all cells from current cursor position down.
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terminal.clear(ClearType::FromCursorUp)?;
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Ok(())
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}
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/// Clear all lines from cursor position X:4, Y:4 up | demonstration
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pub fn clear_current_line() -> io::Result<()> {
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let terminal = terminal();
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print_test_data();
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// Set terminal cursor position (see example for more info).
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cursor().goto(4, 3)?;
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// Clear current line cells.
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terminal.clear(ClearType::CurrentLine)?;
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Ok(())
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}
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/// Clear all lines from cursor position X:4, Y:7 up | demonstration
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pub fn clear_until_new_line() -> io::Result<()> {
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let terminal = terminal();
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print_test_data();
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// Set terminal cursor position (see example for more info).
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cursor().goto(4, 20)?;
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// Clear all the cells until next line.
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terminal.clear(ClearType::UntilNewLine)?;
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Ok(())
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}
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/// Print the the current terminal size | demonstration.
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pub fn print_terminal_size() {
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let terminal = terminal();
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// Get terminal size
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let (width, height) = terminal.terminal_size();
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// Print results
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print!("X: {}, y: {}", width, height);
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}
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/// Set the terminal size to width 10, height: 10 | demonstration.
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pub fn set_terminal_size() -> io::Result<()> {
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let terminal = terminal();
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terminal.set_size(10, 10)?;
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Ok(())
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}
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/// Scroll down 10 lines | demonstration.
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pub fn scroll_down() -> io::Result<()> {
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let terminal = terminal();
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print_test_data();
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// Scroll down 10 lines.
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terminal.scroll_down(10)?;
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Ok(())
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}
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/// Scroll down 10 lines | demonstration.
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pub fn scroll_up() -> io::Result<()> {
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let terminal = terminal();
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print_test_data();
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// Scroll up 10 lines.
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terminal.scroll_up(5)?;
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Ok(())
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}
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/// exit the current proccess.
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pub fn exit() {
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let terminal = terminal();
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terminal.exit();
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}
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// cargo run --example terminal
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fn main() -> io::Result<()> {
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scroll_down()?;
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Ok(())
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}
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