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LibGUI: Implement calculated_min_size() for ListView

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thankyouverycool 2022-09-22 11:18:12 -04:00 • committed by Andreas Kling
parent d495405e53
commit f0a5ce6d11
2 changed files with 15 additions and 1 deletions
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13
Userland/Libraries/LibGUI/ListView.cpp
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@ -44,7 +44,7 @@ void ListView::update_content_size()
auto text = model()->index(row, m_model_column).data();
content_width = max(content_width, font().width(text.to_string()) + horizontal_padding() * 2);
}
m_max_item_width = content_width;
content_width = max(content_width, widget_inner_rect().width());
int content_height = item_count() * item_height();
@ -268,4 +268,15 @@ void ListView::scroll_into_view(ModelIndex const& index, bool scroll_horizontall
AbstractScrollableWidget::scroll_into_view(content_rect(index.row()), scroll_horizontally, scroll_vertically);
}
Optional<UISize> ListView::calculated_min_size() const
{
auto min_width = horizontal_scrollbar().effective_min_size().width().as_int() + vertical_scrollbar().width() + frame_thickness() * 2;
auto min_height = vertical_scrollbar().effective_min_size().height().as_int() + horizontal_scrollbar().height() + frame_thickness() * 2;
auto content_exceeds_minimums = content_width() > min_width && content_height() > min_height;
auto scrollbars_are_visible = horizontal_scrollbar().is_visible() && vertical_scrollbar().is_visible();
if (content_exceeds_minimums || scrollbars_are_visible)
return AbstractScrollableWidget::calculated_min_size();
return { { m_max_item_width + frame_thickness() * 2, content_height() + frame_thickness() * 2 } };
}
}