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TabbedPane: finally get rid of the cropped edge (issue #40)

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Karl Tauber
2020-10-16 12:25:04 +02:00
parent 201581a07c
commit a909f1012a
1 changed files with 15 additions and 0 deletions
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15
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTabbedPaneUI.java
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@@ -435,6 +435,21 @@ public class FlatTabbedPaneUI
return Math.max( tabHeight, super.calculateTabHeight( tabPlacement, tabIndex, fontHeight ) - 2 /* was added by superclass */ );
}
@Override
protected Insets getTabAreaInsets( int tabPlacement ) {
Insets currentTabAreaInsets = super.getTabAreaInsets( tabPlacement );
Insets insets = (Insets) currentTabAreaInsets.clone();
// This is a "trick" to get rid of the cropped edge:
// super.getTabAreaInsets() returns private field BasicTabbedPaneUI.currentTabAreaInsets,
// which is also used to translate the origin of the cropped edge in
// BasicTabbedPaneUI.CroppedEdge.paintComponent().
// Giving it large values clips painting of the cropped edge and makes it invisible.
currentTabAreaInsets.top = currentTabAreaInsets.left = -10000;
return insets;
}
/**
* The content border insets are used to create a separator between tabs and content.
* If client property JTabbedPane.hasFullBorder is true, then the content border insets