49 lines
1.2 KiB
Rust
49 lines
1.2 KiB
Rust
//! Cursor.
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use std::fmt;
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derive_csi_sequence!("Hide the cursor.", Hide, "?25l");
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derive_csi_sequence!("Show the cursor.", Show, "?25h");
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/// Goto some position ((1,1)-based).
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///
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/// # Why one-based?
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///
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/// ANSI escapes are very poorly designed, and one of the many odd aspects is being one-based. This
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/// can be quite strange at first, but it is not that big of an obstruction once you get used to
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/// it.
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#[derive(Copy, Clone, PartialEq, Eq)]
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pub struct Goto(pub u16, pub u16);
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impl Default for Goto {
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fn default() -> Goto { Goto(1, 1) }
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}
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impl fmt::Display for Goto {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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debug_assert!(self != &Goto(0, 0), "Goto is one-based.");
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write!(f, csi!("{};{}H"), self.0, self.1)
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}
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}
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/// Move cursor left.
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#[derive(Copy, Clone, PartialEq, Eq)]
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pub struct Left(pub u16);
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impl fmt::Display for Left {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, csi!("{}D"), self.0)
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}
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}
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/// Move cursor right.
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#[derive(Copy, Clone, PartialEq, Eq)]
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pub struct Right(pub u16);
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impl fmt::Display for Right {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, csi!("{}C"), self.0)
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}
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}
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