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fix crash when window is too small on help menu

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is related to #22
This commit is contained in:
Mario Reder 2020-04-23 12:50:27 +02:00
parent 74f697f6dc
commit a3d13cedf8
1 changed files with 5 additions and 4 deletions
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9
src/widgets/help_menu.rs
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@ -1,4 +1,5 @@
use once_cell::sync::Lazy; use once_cell::sync::Lazy;
use std::cmp;
use tui::buffer::Buffer; use tui::buffer::Buffer;
use tui::layout::Rect; use tui::layout::Rect;
use tui::widgets::{Paragraph, Text, Widget}; use tui::widgets::{Paragraph, Text, Widget};
@ -58,10 +59,10 @@ impl HelpMenu<'_> {
pub fn get_rect(&self, area: Rect) -> Rect { pub fn get_rect(&self, area: Rect) -> Rect {
Rect { Rect {
x: (area.width - TEXT_WIDTH) / 2, x: area.width.checked_sub(TEXT_WIDTH).unwrap_or_default() / 2,
y: (area.height - TEXT_HEIGHT) / 2, y: area.height.checked_sub(TEXT_HEIGHT).unwrap_or_default() / 2,
width: TEXT_WIDTH, width: cmp::min(TEXT_WIDTH, area.width),
height: TEXT_HEIGHT, height: cmp::min(TEXT_HEIGHT, area.height),
} }
} }
} }