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TabbedPane: repeat scrolling as long as arrow buttons are pressed (issue #40)

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This commit is contained in:
Karl Tauber
2020-10-07 15:14:47 +02:00
parent 2f3427e6ad
commit de870c546c
4 changed files with 167 additions and 58 deletions
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65
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTabbedPaneUI.java
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@@ -34,6 +34,7 @@ import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseWheelEvent;
import java.awt.geom.Path2D;
import java.awt.geom.Rectangle2D;
@@ -46,6 +47,7 @@ import javax.swing.JComponent;
import javax.swing.JTabbedPane;
import javax.swing.JViewport;
import javax.swing.KeyStroke;
import javax.swing.SwingUtilities;
import javax.swing.Timer;
import javax.swing.UIManager;
import javax.swing.plaf.ComponentUI;
@@ -266,11 +268,7 @@ public class FlatTabbedPaneUI
@Override
protected JButton createScrollButton( int direction ) {
// this method is invoked before installDefaults(), so we can not use color fields here
return new FlatArrowButton( direction, UIManager.getString( "Component.arrowType" ),
UIManager.getColor( "TabbedPane.foreground" ),
UIManager.getColor( "TabbedPane.disabledForeground" ), null,
UIManager.getColor( "TabbedPane.hoverColor" ) );
return new FlatScrollableTabButton( direction );
}
@Override
@@ -571,6 +569,63 @@ public class FlatTabbedPaneUI
return tabPane.getTabLayoutPolicy() == JTabbedPane.SCROLL_TAB_LAYOUT;
}
//---- class FlatScrollableTabButton --------------------------------------
protected static class FlatScrollableTabButton
extends FlatArrowButton
implements MouseListener
{
private Timer autoRepeatTimer;
protected FlatScrollableTabButton( int direction ) {
// this method is invoked before installDefaults(), so we can not use color fields here
super( direction, UIManager.getString( "Component.arrowType" ),
UIManager.getColor( "TabbedPane.foreground" ),
UIManager.getColor( "TabbedPane.disabledForeground" ), null,
UIManager.getColor( "TabbedPane.hoverColor" ) );
addMouseListener( this );
}
@Override
public void mousePressed( MouseEvent e ) {
if( SwingUtilities.isLeftMouseButton( e ) && isEnabled() ) {
if( autoRepeatTimer == null ) {
// using same delays as in BasicScrollBarUI and BasicSpinnerUI
autoRepeatTimer = new Timer( 60, e2 -> {
if( isEnabled() )
doClick();
} );
autoRepeatTimer.setInitialDelay( 300 );
}
autoRepeatTimer.start();
}
}
@Override
public void mouseReleased( MouseEvent e ) {
if( autoRepeatTimer != null )
autoRepeatTimer.stop();
}
@Override
public void mouseClicked( MouseEvent e ) {
}
@Override
public void mouseEntered( MouseEvent e ) {
if( autoRepeatTimer != null && isPressed() )
autoRepeatTimer.start();
}
@Override
public void mouseExited( MouseEvent e ) {
if( autoRepeatTimer != null )
autoRepeatTimer.stop();
}
}
//---- class FlatWheelTabScroller -----------------------------------------
protected class FlatWheelTabScroller