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LibGUI: Do not allow tree column to shrink beyond indent and icon

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We always display the tree indent and the icon, so we shouldn't allow
the tree column to shrink beyond that size.
This commit is contained in:
sin-ack 2021-08-08 09:52:15 +00:00 • committed by Andreas Kling
parent ab2719fd53
commit 1408aa1295
2 changed files with 18 additions and 0 deletions
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16
Userland/Libraries/LibGUI/TreeView.cpp
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@ -738,4 +738,20 @@ Gfx::IntRect TreeView::content_rect(ModelIndex const& index) const
return found_rect;
}
int TreeView::minimum_column_width(int column)
{
if (column != model()->tree_column()) {
return 2;
}
int maximum_indent_level = 1;
traverse_in_paint_order([&](ModelIndex const&, Gfx::IntRect const&, Gfx::IntRect const&, int indent_level) {
maximum_indent_level = max(maximum_indent_level, indent_level);
return IterationDecision::Continue;
});
return indent_width_in_pixels() * maximum_indent_level + icon_size() + icon_spacing() + 2;
}
}

2
Userland/Libraries/LibGUI/TreeView.h
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@ -36,6 +36,8 @@ public:
virtual Gfx::IntRect content_rect(ModelIndex const&) const override;
virtual Gfx::IntRect paint_invalidation_rect(ModelIndex const& index) const override { return content_rect(index); }
virtual int minimum_column_width(int column) override;
protected:
TreeView();