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LibGUI: Programatically draw table header sorting arrows

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These arrows were previously drawn using the code points U+2B06 and
U+2B07. The .png files for these emoji were removed in commit bfe99eb
and added to the Katica Regular 10 font in commit cf62d08. The emoji
were not added to the bold Katica variants that are used by the table
header view. The effect is that a "?" replacement character was
rendered.

Instead of rendering the emoji, we can draw the arrows programatically,
like we do in other GUI components (e.g. the scrollbar).
This commit is contained in:
Timothy Flynn 2022-08-15 10:26:24 -04:00 • committed by Andreas Kling
parent e746360b9a
commit 32642394a9
4 changed files with 32 additions and 17 deletions
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15
Userland/Libraries/LibGUI/HeaderView.h
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@ -41,6 +41,21 @@ public:
Function<void(int section)> on_resize_doubleclick;
static constexpr auto const sorting_arrow_offset = 3;
static constexpr auto const sorting_arrow_width = 6;
static constexpr auto const ascending_arrow_coordinates = Array {
Gfx::IntPoint { 4, 2 },
Gfx::IntPoint { 1, 5 },
Gfx::IntPoint { 7, 5 },
};
static constexpr auto const descending_arrow_coordinates = Array {
Gfx::IntPoint { 1, 3 },
Gfx::IntPoint { 7, 3 },
Gfx::IntPoint { 4, 6 },
};
private:
HeaderView(AbstractTableView&, Gfx::Orientation);