Example usage for java.awt.event MouseWheelEvent getWheelRotation

Introduction

In this page you can find the example usage for java.awt.event MouseWheelEvent getWheelRotation.

Prototype

public int getWheelRotation() 

Source Link

Document

Returns the number of "clicks" the mouse wheel was rotated, as an integer.

Usage

From source file:Main.java

/**
 * Creates a JSlider built//from   w ww  .  ja v  a  2s. c o m
 * using a {@link DefaultBoundedRangeModel} and 
 * containing a {@link MouseWheelListener} 
 * and some usual default settings
 * 
 * @param model
 * @return the corresponding {@link JSlider}
 */
public static JSlider createJSlider(final BoundedRangeModel model) {
    final JSlider slider = new JSlider(model);
    slider.addMouseWheelListener(new MouseWheelListener() {
        @Override
        public void mouseWheelMoved(MouseWheelEvent e) {
            slider.setValue(-e.getWheelRotation() * model.getMaximum() / 100 + model.getValue());
        }
    });
    slider.setPaintTicks(true);
    slider.setPaintLabels(true);
    //      slider.setMajorTickSpacing(model.getMaximum()/2);
    //      slider.setMinorTickSpacing(model.getMaximum()/10);
    //      slider.setSnapToTicks(true);
    return slider;
}

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From source file:Main.java

public static MouseEvent convertMouseEvent(Component source, MouseEvent sourceEvent, Component destination) {
    Point p = SwingUtilities.convertPoint(source, new Point(sourceEvent.getX(), sourceEvent.getY()),
            destination);/*from www .  j a v a2  s  .  c o m*/
    Component newSource;

    if (destination != null)
        newSource = destination;
    else
        newSource = source;

    MouseEvent newEvent;
    if (sourceEvent instanceof MouseWheelEvent) {
        MouseWheelEvent sourceWheelEvent = (MouseWheelEvent) sourceEvent;
        newEvent = new MouseWheelEvent(newSource, sourceWheelEvent.getID(), sourceWheelEvent.getWhen(),
                sourceEvent.getModifiers() | sourceEvent.getModifiersEx(), p.x, p.y,
                sourceWheelEvent.getClickCount(), sourceWheelEvent.isPopupTrigger(),
                sourceWheelEvent.getScrollType(), sourceWheelEvent.getScrollAmount(),
                sourceWheelEvent.getWheelRotation());
    } else if (sourceEvent instanceof MenuDragMouseEvent) {
        MenuDragMouseEvent sourceMenuDragEvent = (MenuDragMouseEvent) sourceEvent;
        newEvent = new MenuDragMouseEvent(newSource, sourceMenuDragEvent.getID(), sourceMenuDragEvent.getWhen(),
                sourceEvent.getModifiers() | sourceEvent.getModifiersEx(), p.x, p.y,
                sourceMenuDragEvent.getClickCount(), sourceMenuDragEvent.isPopupTrigger(),
                sourceMenuDragEvent.getPath(), sourceMenuDragEvent.getMenuSelectionManager());
    } else {
        newEvent = new MouseEvent(newSource, sourceEvent.getID(), sourceEvent.getWhen(),
                sourceEvent.getModifiers() | sourceEvent.getModifiersEx(), p.x, p.y,
                sourceEvent.getClickCount(), sourceEvent.isPopupTrigger(), sourceEvent.getButton());
    }
    return newEvent;
}

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From source file:Main.java

public Main() {
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setSize(200, 200);/*  w  w  w.  ja v  a2s .  c  o  m*/
    JTextArea textArea = new JTextArea();
    textArea.addMouseWheelListener(new MouseWheelListener() {
        public void mouseWheelMoved(MouseWheelEvent e) {
            if (e.getWheelRotation() < 0) {
                System.out.println("Up... " + e.getWheelRotation());
            } else {
                System.out.println("Down... " + e.getWheelRotation());
            }
            System.out.println("ScrollAmount: " + e.getScrollAmount());

            if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
                System.out.println("MouseWheelEvent.WHEEL_UNIT_SCROLL");
            }

            if (e.getScrollType() == MouseWheelEvent.WHEEL_BLOCK_SCROLL) {
                System.out.println("MouseWheelEvent.WHEEL_BLOCK_SCROLL");
            }
        }
    });

    getContentPane().add(textArea);
}

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From source file:MouseWheelTest.java

public MouseWheelTest() {
    super();/*w  w  w .ja va2 s.  co m*/
    final Container contentPane = getContentPane();

    MouseWheelListener listener = new MouseWheelListener() {
        int colorCounter;

        private static final int UP = 1;

        private static final int DOWN = 2;

        public void mouseWheelMoved(MouseWheelEvent e) {
            int count = e.getWheelRotation();
            int direction = (Math.abs(count) > 0) ? UP : DOWN;
            changeBackground(direction);
        }

        private void changeBackground(int direction) {
            contentPane.setBackground(colors[colorCounter]);

            if (direction == UP) {
                colorCounter++;
            } else {
                --colorCounter;
            }

            if (colorCounter == colors.length) {
                colorCounter = 0;
            } else if (colorCounter < 0) {
                colorCounter = colors.length - 1;
            }
        }
    };
    contentPane.addMouseWheelListener(listener);
}

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From source file:Main.java

public void mouseWheelMoved(MouseWheelEvent e) {
    String message;//from  w  w w .  ja  va 2s  . co m
    int notches = e.getWheelRotation();
    if (notches < 0) {
        message = "Mouse wheel moved UP " + -notches + " notch(es)" + newline;
    } else {
        message = "Mouse wheel moved DOWN " + notches + " notch(es)" + newline;
    }
    if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        message += "    Scroll type: WHEEL_UNIT_SCROLL" + newline;
        message += "    Scroll amount: " + e.getScrollAmount() + " unit increments per notch" + newline;
        message += "    Units to scroll: " + e.getUnitsToScroll() + " unit increments" + newline;
        message += "    Vertical unit increment: " + scrollPane.getVerticalScrollBar().getUnitIncrement(1)
                + " pixels" + newline;
    } else { // scroll type == MouseWheelEvent.WHEEL_BLOCK_SCROLL
        message += "    Scroll type: WHEEL_BLOCK_SCROLL" + newline;
        message += "    Vertical block increment: " + scrollPane.getVerticalScrollBar().getBlockIncrement(1)
                + " pixels" + newline;
    }
    saySomething(message, e);
}

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From source file:Test.java

public void mouseWheelMoved(MouseWheelEvent e) {
    System.out.println("" + e.getPreciseWheelRotation() + " - " + e.getWheelRotation());
}

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From source file:MouseWheelEventDemo.java

public void mouseWheelMoved(MouseWheelEvent e) {
    String message;/*w w  w.  ja v  a  2s . com*/
    int notches = e.getWheelRotation();
    if (notches < 0) {
        message = "Mouse wheel moved UP " + -notches + " notch(es)" + newline;
    } else {
        message = "Mouse wheel moved DOWN " + notches + " notch(es)" + newline;
    }
    if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        message += "    Scroll type: WHEEL_UNIT_SCROLL" + newline;
        message += "    Scroll amount: " + e.getScrollAmount() + " unit increments per notch" + newline;
        message += "    Units to scroll: " + e.getUnitsToScroll() + " unit increments" + newline;
        message += "    Vertical unit increment: " + scrollPane.getVerticalScrollBar().getUnitIncrement(1)
                + " pixels" + newline;
    } else { //scroll type == MouseWheelEvent.WHEEL_BLOCK_SCROLL
        message += "    Scroll type: WHEEL_BLOCK_SCROLL" + newline;
        message += "    Vertical block increment: " + scrollPane.getVerticalScrollBar().getBlockIncrement(1)
                + " pixels" + newline;
    }
    saySomething(message, e);
}

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From source file:events.MouseWheelEventDemo.java

public void mouseWheelMoved(MouseWheelEvent e) {
    String message;/*from w  ww. ja  v  a2 s.co m*/
    int notches = e.getWheelRotation();
    if (notches < 0) {
        message = "Mouse wheel moved UP " + -notches + " notch(es)" + NEWLINE;
    } else {
        message = "Mouse wheel moved DOWN " + notches + " notch(es)" + NEWLINE;
    }
    if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        message += "    Scroll type: WHEEL_UNIT_SCROLL" + NEWLINE;
        message += "    Scroll amount: " + e.getScrollAmount() + " unit increments per notch" + NEWLINE;
        message += "    Units to scroll: " + e.getUnitsToScroll() + " unit increments" + NEWLINE;
        message += "    Vertical unit increment: " + scrollPane.getVerticalScrollBar().getUnitIncrement(1)
                + " pixels" + NEWLINE;
    } else { //scroll type == MouseWheelEvent.WHEEL_BLOCK_SCROLL
        message += "    Scroll type: WHEEL_BLOCK_SCROLL" + NEWLINE;
        message += "    Vertical block increment: " + scrollPane.getVerticalScrollBar().getBlockIncrement(1)
                + " pixels" + NEWLINE;
    }
    eventOutput(message, e);
}

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From source file:com.vgi.mafscaling.MafChartPanel.java

public void mouseWheelMoved(MouseWheelEvent e) {
    if (e.getScrollType() != MouseWheelEvent.WHEEL_UNIT_SCROLL)
        return;//from  www .j  a va  2s .  co  m
    if (e.getWheelRotation() < 0)
        zoomChartAxis(chartPanel, true);
    else
        zoomChartAxis(chartPanel, false);
}

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From source file:playground.sergioo.capacitiesChanger2012.gui.NetworkPanel.java

@Override
public void mouseWheelMoved(MouseWheelEvent e) {
    if (e.getWheelRotation() < 0)
        camera.zoomIn();//from w ww . j ava 2  s . co  m
    else if (e.getWheelRotation() > 0)
        camera.zoomOut();
    repaint();
}

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