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Fix overflow

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wojciechkepka 2021-06-19 21:33:20 +02:00 committed by Benoît Cortier
parent 28d9673a8e
commit 2d629a880c
1 changed files with 3 additions and 3 deletions
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6
helix-term/src/ui/editor.rs
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@ -129,7 +129,7 @@ impl EditorView {
})], })],
}; };
let mut spans = Vec::new(); let mut spans = Vec::new();
let mut visual_x = 0; let mut visual_x = 0u16;
let mut line = 0u16; let mut line = 0u16;
let tab_width = doc.tab_width(); let tab_width = doc.tab_width();
@ -185,7 +185,7 @@ impl EditorView {
break 'outer; break 'outer;
} }
} else if grapheme == "\t" { } else if grapheme == "\t" {
visual_x += (tab_width as u16); visual_x = visual_x.saturating_add(tab_width as u16);
} else { } else {
let out_of_bounds = visual_x < view.first_col as u16 let out_of_bounds = visual_x < view.first_col as u16
|| visual_x >= viewport.width + view.first_col as u16; || visual_x >= viewport.width + view.first_col as u16;
@ -197,7 +197,7 @@ impl EditorView {
if out_of_bounds { if out_of_bounds {
// if we're offscreen just keep going until we hit a new line // if we're offscreen just keep going until we hit a new line
visual_x += width; visual_x = visual_x.saturating_add(width);
continue; continue;
} }