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new: support for alternate row color in JList

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Dar
2024-11-28 10:18:22 +01:00
parent 7bdfd49921
commit c12adf12e7
5 changed files with 17 additions and 0 deletions
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13
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatListUI.java
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@@ -57,6 +57,7 @@ import com.formdev.flatlaf.util.UIScale;
* @uiDefault List.foreground Color
* @uiDefault List.selectionBackground Color
* @uiDefault List.selectionForeground Color
* @uiDefault List.alternateRowColor Color
* @uiDefault List.dropLineColor Color
* @uiDefault List.border Border
* @uiDefault List.cellRenderer ListCellRenderer
@@ -93,6 +94,7 @@ public class FlatListUI
@Styleable protected Color selectionForeground;
@Styleable protected Color selectionInactiveBackground;
@Styleable protected Color selectionInactiveForeground;
/** @since 3.6 */ @Styleable protected Color alternateRowColor;
/** @since 3 */ @Styleable protected Insets selectionInsets;
/** @since 3 */ @Styleable protected int selectionArc;
@@ -129,6 +131,7 @@ public class FlatListUI
selectionForeground = UIManager.getColor( "List.selectionForeground" );
selectionInactiveBackground = UIManager.getColor( "List.selectionInactiveBackground" );
selectionInactiveForeground = UIManager.getColor( "List.selectionInactiveForeground" );
alternateRowColor = UIManager.getColor( "List.alternateRowColor" );
selectionInsets = UIManager.getInsets( "List.selectionInsets" );
selectionArc = UIManager.getInt( "List.selectionArc" );
@@ -143,6 +146,7 @@ public class FlatListUI
selectionForeground = null;
selectionInactiveBackground = null;
selectionInactiveForeground = null;
alternateRowColor = null;
oldStyleValues = null;
}
@@ -304,6 +308,15 @@ public class FlatListUI
Component rendererComponent = cellRenderer.getListCellRendererComponent( list,
dataModel.getElementAt( row ), row, isSelected,
FlatUIUtils.isPermanentFocusOwner( list ) && (row == leadIndex) );
if( alternateRowColor != null && row % 2 != 0 ) {
g.setColor( alternateRowColor );
// paint respecting selection arc
final float arc = UIScale.scale( selectionArc / 2f );
FlatUIUtils.paintSelection( (Graphics2D) g, 0, rowBounds.y, list.getWidth(), rowBounds.height,
UIScale.scale( selectionInsets ), arc, arc, arc, arc, 0 );
}
//
boolean isFileList = Boolean.TRUE.equals( list.getClientProperty( "List.isFileList" ) );