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widgets(text_input): protect against zero-width window

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A zero-width window could set the text_input.draw method into an
infinite loop. Explicitly protect against this case.
This commit is contained in:
Tim Culverhouse 2024-05-06 19:03:07 -05:00
parent 920e490e4c
commit 48a8aa509c
1 changed files with 1 additions and 0 deletions
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src/widgets/TextInput.zig
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@ -131,6 +131,7 @@ fn widthToCursor(self: *TextInput, win: Window) usize {
pub fn draw(self: *TextInput, win: Window) void { pub fn draw(self: *TextInput, win: Window) void {
if (self.cursor_idx < self.draw_offset) self.draw_offset = self.cursor_idx; if (self.cursor_idx < self.draw_offset) self.draw_offset = self.cursor_idx;
if (win.width == 0) return;
while (true) { while (true) {
const width = self.widthToCursor(win); const width = self.widthToCursor(win);
if (width >= win.width) { if (width >= win.width) {