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List: fixed endless loop rounded selection painting

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This commit is contained in:
Karl Tauber
2022-06-03 17:32:55 +02:00
parent 450fc123ff
commit 5ec7848fb0
1 changed files with 9 additions and 2 deletions
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11
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatListUI.java
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@@ -304,7 +304,7 @@ public class FlatListUI
// rounded selection or selection insets
if( isSelected &&
!isFileList &&
!isFileList && // rounded selection is not supported for file list
rendererComponent instanceof DefaultListCellRenderer &&
(selectionArc > 0 ||
(selectionInsets != null &&
@@ -319,6 +319,10 @@ public class FlatListUI
// To solve this, a graphics proxy is used that paints rounded selection
// if row is selected and the renderer wants to fill the background.
class RoundedSelectionGraphics extends Graphics2DProxy {
// used to avoid endless loop in case that paintCellSelection() invokes
// g.fillRect() with full bounds (selectionInsets is 0,0,0,0)
private boolean inPaintSelection;
RoundedSelectionGraphics( Graphics delegate ) {
super( (Graphics2D) delegate );
}
@@ -335,10 +339,13 @@ public class FlatListUI
@Override
public void fillRect( int x, int y, int width, int height ) {
if( x == 0 && y == 0 && width == rowBounds.width && height == rowBounds.height &&
if( !inPaintSelection &&
x == 0 && y == 0 && width == rowBounds.width && height == rowBounds.height &&
this.getColor() == rendererComponent.getBackground() )
{
inPaintSelection = true;
paintCellSelection( this, row, x, y, width, height );
inPaintSelection = false;
} else
super.fillRect( x, y, width, height );
}