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ScrollView: do scroll bounds checking early
The ScrollView will panic if scroll.y is given a number that is outside
the content size.
authored by
Jari Vetoniemi
and committed by
Tim Culverhouse
9bbcebb7
5a438e54
+4
-5
+4
-5
src/widgets/ScrollView.zig
+4
-5
src/widgets/ScrollView.zig
···
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cols: usize,
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rows: usize,
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}) void {
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var content_cols = content_size.cols;
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const content_cols = if (self.vertical_scrollbar) |_| content_size.cols +| 1 else content_size.cols;
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const max_scroll_x = content_cols -| parent.width;
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const max_scroll_y = content_size.rows -| parent.height;
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self.scroll.restrictTo(max_scroll_x, max_scroll_y);
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if (self.vertical_scrollbar) |opts| {
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const vbar: vaxis.widgets.Scrollbar = .{
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.character = opts.character,
···
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});
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bg.fill(.{ .char = opts.character, .style = opts.bg });
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vbar.draw(bg);
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content_cols +|= 1;
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}
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const max_scroll_x = content_cols -| parent.width;
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const max_scroll_y = content_size.rows -| parent.height;
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self.scroll.restrictTo(max_scroll_x, max_scroll_y);
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}
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pub const BoundingBox = struct {