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term: remove dead code

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This commit is contained in:
Wez Furlong 2022-05-05 19:29:19 -07:00
parent dc0fde7ae0
commit 1b00bbaf2f
2 changed files with 0 additions and 123 deletions
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2
term/src/lib.rs
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@ -35,8 +35,6 @@ pub use termwiz::surface::line::*;
pub mod screen;
pub use crate::screen::*;
pub mod selection;
use termwiz::hyperlink::Hyperlink;
pub mod terminal;

121
term/src/selection.rs
View File

@ -1,121 +0,0 @@
// The range_plus_one lint can't see when the LHS is not compatible with
// and inclusive range
#![cfg_attr(feature = "cargo-clippy", allow(clippy::range_plus_one))]
use super::{ScrollbackOrVisibleRowIndex, VisibleRowIndex};
#[cfg(feature = "use_serde")]
use serde::{Deserialize, Serialize};
use std::ops::Range;
/// The x,y coordinates of either the start or end of a selection region
#[cfg_attr(feature = "use_serde", derive(Deserialize, Serialize))]
#[derive(Debug, Default, Copy, Clone, Eq, PartialEq)]
pub struct SelectionCoordinate {
pub x: usize,
pub y: ScrollbackOrVisibleRowIndex,
}
/// Represents the selected text range.
/// The end coordinates are inclusive.
#[cfg_attr(feature = "use_serde", derive(Deserialize, Serialize))]
#[derive(Debug, Default, Copy, Clone, Eq, PartialEq)]
pub struct SelectionRange {
pub start: SelectionCoordinate,
pub end: SelectionCoordinate,
}
impl SelectionRange {
/// Create a new range that starts at the specified location
pub fn start(start: SelectionCoordinate) -> Self {
let end = start;
Self { start, end }
}
/// Returns a modified version of the selection that is adjusted
/// for a Surface that holds only the visible viewport.
/// The y values are adjusted such that 0 indicates the top of
/// the viewport.
pub fn clip_to_viewport(
&self,
viewport_offset: VisibleRowIndex,
height: usize,
) -> SelectionRange {
let offset = -viewport_offset as ScrollbackOrVisibleRowIndex;
SelectionRange {
start: SelectionCoordinate {
x: self.start.x,
y: self.start.y.max(offset) - offset,
},
end: SelectionCoordinate {
x: self.end.x,
y: self
.end
.y
.min(offset + height as ScrollbackOrVisibleRowIndex)
- offset,
},
}
}
/// Returns an extended selection that it ends at the specified location
pub fn extend(&self, end: SelectionCoordinate) -> Self {
Self {
start: self.start,
end,
}
}
/// Return a normalized selection such that the starting y coord
/// is <= the ending y coord.
pub fn normalize(&self) -> Self {
if self.start.y <= self.end.y {
*self
} else {
Self {
start: self.end,
end: self.start,
}
}
}
/// Yields a range representing the row indices.
/// Make sure that you invoke this on a normalized range!
pub fn rows(&self) -> Range<ScrollbackOrVisibleRowIndex> {
debug_assert!(
self.start.y <= self.end.y,
"you forgot to normalize a SelectionRange"
);
self.start.y..self.end.y + 1
}
/// Yields a range representing the selected columns for the specified row.
/// Not that the range may include usize::max_value() for some rows; this
/// indicates that the selection extends to the end of that row.
/// Since this struct has no knowledge of line length, it cannot be
/// more precise than that.
/// Must be called on a normalized range!
pub fn cols_for_row(&self, row: ScrollbackOrVisibleRowIndex) -> Range<usize> {
debug_assert!(
self.start.y <= self.end.y,
"you forgot to normalize a SelectionRange"
);
if row < self.start.y || row > self.end.y {
0..0
} else if self.start.y == self.end.y {
// A single line selection
if self.start.x <= self.end.x {
self.start.x..self.end.x.saturating_add(1)
} else {
self.end.x..self.start.x.saturating_add(1)
}
} else if row == self.end.y {
// last line of multi-line
0..self.end.x.saturating_add(1)
} else if row == self.start.y {
// first line of multi-line
self.start.x..usize::max_value()
} else {
// some "middle" line of multi-line
0..usize::max_value()
}
}
}