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LibWeb: Fix intrinsic sizing when min or max width is specified

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Fixes the problem that width is incorrectly computed in intrinsic
sizing mode when there are blocks that have min-width or max-width
specified.

Actually that is just the fix of a symptom of the larger problem that
Length::to_px() returns 0 when value is auto regardless of available
size.
This commit is contained in:
Aliaksandr Kalenik 2023-05-02 17:20:10 +03:00 • committed by Andreas Kling
parent 9bd35fda56
commit f6ff37398c
3 changed files with 26 additions and 2 deletions
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6
Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
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@ -229,7 +229,8 @@ void BlockFormattingContext::compute_width(Box const& box, AvailableSpace const&
// but this time using the computed value of 'max-width' as the computed value for 'width'.
if (!computed_values.max_width().is_none()) {
auto max_width = calculate_inner_width(box, available_space.width, computed_values.max_width());
if (used_width.to_px(box) > max_width.to_px(box)) {
auto used_width_px = used_width.is_auto() ? available_space.width.to_px() : used_width.to_px(box);
if (used_width_px > max_width.to_px(box)) {
used_width = try_compute_width(max_width);
}
}
@ -238,7 +239,8 @@ void BlockFormattingContext::compute_width(Box const& box, AvailableSpace const&
// but this time using the value of 'min-width' as the computed value for 'width'.
if (!computed_values.min_width().is_auto()) {
auto min_width = calculate_inner_width(box, available_space.width, computed_values.min_width());
if (used_width.to_px(box) < min_width.to_px(box)) {
auto used_width_px = used_width.is_auto() ? available_space.width.to_px() : used_width.to_px(box);
if (used_width_px < min_width.to_px(box)) {
used_width = try_compute_width(min_width);
}
}