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Use MousePressed instead of MouseClicked to expand sections #302

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Merged
balazsracz merged 1 commit into from
May 4, 2026
Merged

Use MousePressed instead of MouseClicked to expand sections #302

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15 changes: 10 additions & 5 deletions src/util/CollapsiblePanel.java
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Original file line number Diff line number Diff line change
Expand Up @@ -89,10 +89,7 @@ protected void paintComponent(Graphics g) {
}

@Override
public void mouseClicked(MouseEvent e) {
requestFocus();
toggleSelection();
}
public void mouseClicked(MouseEvent e) { }

@Override
public void mouseEntered(MouseEvent e) { }
Expand All @@ -101,7 +98,15 @@ public void mouseEntered(MouseEvent e) { }
public void mouseExited(MouseEvent e) { }

@Override
public void mousePressed(MouseEvent e) { }
public void mousePressed(MouseEvent e) {
// Use mousePressed instead of mouseClicked. MOUSE_CLICKED is only
// delivered when the press and release occur at the same pixel; on
// macOS (especially high-DPI / trackpad systems like Apple Silicon)
// a sub-pixel finger movement during the click suppresses the event,
// making the disclosure header feel unresponsive.
requestFocus();
toggleSelection();
}

@Override
public void mouseReleased(MouseEvent e) { }
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