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LibGUI: Allow falling back to default paint behavior in delegate

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This patch adds a method that can optionally be implemented to allow
a TableCellPaintingDelegate to fall back to the default painting in a
View.
This commit is contained in:
networkException
2022-01-28 17:18:58 +01:00
committed by Andreas Kling
parent e2df145e14
commit b67d4ab52f
3 changed files with 6 additions and 2 deletions
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3
Userland/Libraries/LibGUI/TreeView.cpp
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@@ -291,7 +291,8 @@ void TreeView::paint_event(PaintEvent& event)
Gfx::IntRect cell_rect(horizontal_padding() + x_offset, rect.y(), column_width, row_height());
auto cell_index = model.index(index.row(), column_index, index.parent());
if (auto* delegate = column_painting_delegate(column_index)) {
auto* delegate = column_painting_delegate(column_index);
if (delegate && delegate->should_paint(cell_index)) {
delegate->paint(painter, cell_rect, palette(), cell_index);
} else {
auto data = cell_index.data();