74 lines
2.5 KiB
Rust
74 lines
2.5 KiB
Rust
//! ## Utils
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//!
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//! `Utils` implements utilities functions to work with layouts
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/**
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* MIT License
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*
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* termscp - Copyright (c) 2021 Christian Visintin
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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use tui::layout::{Constraint, Direction, Layout, Rect};
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/// ### draw_area_in
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///
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/// Draw an area (WxH / 3) in the middle of the parent area
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pub fn draw_area_in(parent: Rect, width: u16, height: u16) -> Rect {
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let new_area = Layout::default()
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.direction(Direction::Vertical)
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.constraints(
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[
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Constraint::Percentage((100 - height) / 2),
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Constraint::Percentage(height),
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Constraint::Percentage((100 - height) / 2),
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]
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.as_ref(),
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)
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.split(parent);
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Layout::default()
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.direction(Direction::Horizontal)
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.constraints(
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[
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Constraint::Percentage((100 - width) / 2),
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Constraint::Percentage(width),
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Constraint::Percentage((100 - width) / 2),
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]
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.as_ref(),
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)
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.split(new_area[1])[1]
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_ui_layout_utils_draw_area_in() {
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let area: Rect = Rect::new(0, 0, 1024, 512);
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let child: Rect = draw_area_in(area, 75, 30);
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println!("{:?}", child);
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assert_eq!(child.x, 43);
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assert_eq!(child.y, 63);
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assert_eq!(child.width, 271);
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assert_eq!(child.height, 54);
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}
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}
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