Java Code Examples for java.awt.event.MouseWheelEvent#getUnitsToScroll()

The following examples show how to use java.awt.event.MouseWheelEvent#getUnitsToScroll() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: InteractiveCanvasComponent.java    From visualvm with GNU General Public License v2.0 6 votes vote down vote up 
public void mouseWheelMoved(MouseWheelEvent e) {
    // Mouse wheel zooming takes precedence over scrolling
    if (isMouseZoomingEnabled() &&
        e.getSource() == InteractiveCanvasComponent.this) return;

    // Change the ScrollBar value
    if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        int unitsToScroll = e.getUnitsToScroll();
        int direction = unitsToScroll < 0 ? -1 : 1;
        if (unitsToScroll != 0) {
            int increment = scrollBar.getUnitIncrement(direction);
            int oldValue = scrollBar.getValue();
            int newValue = oldValue + increment * unitsToScroll;
            newValue = Math.max(Math.min(newValue, scrollBar.getMaximum() -
                    scrollBar.getVisibleAmount()), scrollBar.getMinimum());
            if (oldValue != newValue) scrollBar.setValue(newValue);
        }
    }
}
Example 2
Source File: DarkScrollableTabSupport.java    From darklaf with MIT License 6 votes vote down vote up 
@Override
public void mouseWheelMoved(final MouseWheelEvent e) {
    if (!ui.tabPane.isEnabled() || ui.tabPane.getTabCount() == 0) return;
    int tabPosition = ui.tabPane.getTabPlacement();
    int scrollAmount = -1 * e.getUnitsToScroll() * e.getScrollAmount();
    int scrolled;
    if (tabPosition == SwingConstants.LEFT || tabPosition == SwingConstants.RIGHT) {
        if (e.isShiftDown() || !moreTabsButton.isVisible()) return;
        timer.stop();
        scrolled = scroll(scrollAmount, false);
    } else {
        if (!e.isShiftDown() || !moreTabsButton.isVisible()) return;
        timer.stop();
        scrolled = scroll(scrollAmount, true);
    }
    if (scrolled != 0) {
        showMoreTabsButton();
        updateRollover();
        viewport.repaint();
    }
    timer.start();
}
Example 3
Source File: ScrollPaneWheelScroller.java    From openjdk-8-source with GNU General Public License v2.0 6 votes vote down vote up 
public static int getIncrementFromAdjustable(Adjustable adj,
                                             MouseWheelEvent e) {
    if (log.isLoggable(PlatformLogger.Level.FINE)) {
        if (adj == null) {
            log.fine("Assertion (adj != null) failed");
        }
    }

    int increment = 0;

    if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        increment = e.getUnitsToScroll() * adj.getUnitIncrement();
    }
    else if (e.getScrollType() == MouseWheelEvent.WHEEL_BLOCK_SCROLL) {
        increment = adj.getBlockIncrement() * e.getWheelRotation();
    }
    return increment;
}
Example 4
Source File: DrawingArea.java    From VanetSim with GNU General Public License v3.0 6 votes vote down vote up 
/**
 * Listener for mouse scrolls.
 * 
 * @param e	the <code>MouseWheelEvent</code>
 * 
 * @see java.awt.event.MouseWheelListener#mouseWheelMoved(java.awt.event.MouseWheelEvent)
 */
public void mouseWheelMoved(MouseWheelEvent e){
	if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL && e.getUnitsToScroll() != 0){
		int scrollValue = e.getUnitsToScroll();
		double newzoom = renderer_.getMapZoom();
		if(scrollValue > 0){
			for(int i= 0; i < scrollValue; i+=3){
				newzoom -= newzoom/ZOOM_VALUE;				
			}
		} else {
			for(int i= 0; i > scrollValue; i-=3){
				newzoom += newzoom/ZOOM_VALUE;				
			}
		}
		renderer_.setMapZoom(newzoom);
		VanetSimStart.getMainControlPanel().getSimulatePanel().setZoomValue((int)Math.round(Math.log(renderer_.getMapZoom()*1000)*50));
		ReRenderManager.getInstance().doReRender();
	}
}
Example 5
Source File: ScrollPaneWheelScroller.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
public static int getIncrementFromAdjustable(Adjustable adj,
                                             MouseWheelEvent e) {
    if (log.isLoggable(PlatformLogger.Level.FINE)) {
        if (adj == null) {
            log.fine("Assertion (adj != null) failed");
        }
    }

    int increment = 0;

    if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        increment = e.getUnitsToScroll() * adj.getUnitIncrement();
    }
    else if (e.getScrollType() == MouseWheelEvent.WHEEL_BLOCK_SCROLL) {
        increment = adj.getBlockIncrement() * e.getWheelRotation();
    }
    return increment;
}
Example 6
Source File: ScrollPaneWheelScroller.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
public static int getIncrementFromAdjustable(Adjustable adj,
                                             MouseWheelEvent e) {
    if (log.isLoggable(PlatformLogger.Level.FINE)) {
        if (adj == null) {
            log.fine("Assertion (adj != null) failed");
        }
    }

    int increment = 0;

    if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        increment = e.getUnitsToScroll() * adj.getUnitIncrement();
    }
    else if (e.getScrollType() == MouseWheelEvent.WHEEL_BLOCK_SCROLL) {
        increment = adj.getBlockIncrement() * e.getWheelRotation();
    }
    return increment;
}
Example 7
Source File: ScrollPaneWheelScroller.java    From jdk8u-dev-jdk with GNU General Public License v2.0 6 votes vote down vote up 
public static int getIncrementFromAdjustable(Adjustable adj,
                                             MouseWheelEvent e) {
    if (log.isLoggable(PlatformLogger.Level.FINE)) {
        if (adj == null) {
            log.fine("Assertion (adj != null) failed");
        }
    }

    int increment = 0;

    if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        increment = e.getUnitsToScroll() * adj.getUnitIncrement();
    }
    else if (e.getScrollType() == MouseWheelEvent.WHEEL_BLOCK_SCROLL) {
        increment = adj.getBlockIncrement() * e.getWheelRotation();
    }
    return increment;
}
Example 8
Source File: ChartPanel.java    From visualvm with GNU General Public License v2.0 5 votes vote down vote up 
private static void scroll(JScrollBar scrollBar, MouseWheelEvent e) {
    if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        int unitsToScroll = e.getUnitsToScroll();
        int direction = unitsToScroll < 0 ? -1 : 1;
        if (unitsToScroll != 0) {
            int increment = scrollBar.getUnitIncrement(direction);
            int oldValue = scrollBar.getValue();
            int newValue = oldValue + increment * unitsToScroll;
            newValue = Math.max(Math.min(newValue, scrollBar.getMaximum() -
                    scrollBar.getVisibleAmount()), scrollBar.getMinimum());
            if (oldValue != newValue) scrollBar.setValue(newValue);
        }
    }
}
Example 9
Source File: ListHelper.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
static boolean doWheelScroll(XVerticalScrollbar vsb,
                                 XHorizontalScrollbar hsb,
                                 MouseWheelEvent e) {
    XScrollbar scroll = null;
    int wheelRotation;

    // Determine which, if any, sb to scroll
    if (vsb != null) {
        scroll = vsb;
    }
    else if (hsb != null) {
        scroll = hsb;
    }
    else { // Neither scrollbar is showing
        return false;
    }

    wheelRotation = e.getWheelRotation();

    // Check if scroll is necessary
    if ((wheelRotation < 0 && scroll.getValue() > scroll.getMinimum()) ||
        (wheelRotation > 0 && scroll.getValue() < scroll.getMaximum()) ||
        wheelRotation != 0) {

        int type = e.getScrollType();
        int incr;
        if (type == MouseWheelEvent.WHEEL_BLOCK_SCROLL) {
            incr = wheelRotation * scroll.getBlockIncrement();
        }
        else { // type is WHEEL_UNIT_SCROLL
            incr = e.getUnitsToScroll() * scroll.getUnitIncrement();
        }
        scroll.setValue(scroll.getValue() + incr);
        return true;
    }
    return false;
}
Example 10
Source File: Panel3D.java    From orson-charts with GNU General Public License v3.0 5 votes vote down vote up 
/**
 * Receives notification of a mouse wheel movement and responds by moving
 * the viewpoint in or out (zooming).
 * 
 * @param mwe  the mouse wheel event. 
 */
@Override
public void mouseWheelMoved(MouseWheelEvent mwe) {
    float units = mwe.getUnitsToScroll();
    double maxViewingDistance = this.maxViewingDistanceMultiplier 
            * this.minViewingDistance;
    double valRho = Math.max(this.minViewingDistance, 
            Math.min(maxViewingDistance, 
            this.drawable.getViewPoint().getRho() + units));
    this.drawable.getViewPoint().setRho(valRho);
    repaint();
}
Example 11
Source File: CCSystem.java    From FCMFrame with Apache License 2.0 5 votes vote down vote up 
@Override
public void mouseWheelMoved(MouseWheelEvent e) {
    int units = e.getUnitsToScroll();

    double zoomx = distX / 100.0 * units;
    double zoomy = distY / 100.0 * units;

    zoom(zoomx, zoomy);

    repaint();
}
Example 12
Source File: ListHelper.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
static boolean doWheelScroll(XVerticalScrollbar vsb,
                                 XHorizontalScrollbar hsb,
                                 MouseWheelEvent e) {
    XScrollbar scroll = null;
    int wheelRotation;

    // Determine which, if any, sb to scroll
    if (vsb != null) {
        scroll = vsb;
    }
    else if (hsb != null) {
        scroll = hsb;
    }
    else { // Neither scrollbar is showing
        return false;
    }

    wheelRotation = e.getWheelRotation();

    // Check if scroll is necessary
    if ((wheelRotation < 0 && scroll.getValue() > scroll.getMinimum()) ||
        (wheelRotation > 0 && scroll.getValue() < scroll.getMaximum()) ||
        wheelRotation != 0) {

        int type = e.getScrollType();
        int incr;
        if (type == MouseWheelEvent.WHEEL_BLOCK_SCROLL) {
            incr = wheelRotation * scroll.getBlockIncrement();
        }
        else { // type is WHEEL_UNIT_SCROLL
            incr = e.getUnitsToScroll() * scroll.getUnitIncrement();
        }
        scroll.setValue(scroll.getValue() + incr);
        return true;
    }
    return false;
}
Example 13
Source File: GroundContainer.java    From stendhal with GNU General Public License v2.0 5 votes vote down vote up 
@Override
public void mouseWheelMoved(MouseWheelEvent e) {
	if (User.isNull()) {
		return;
	}

	/*
	 * Turning with mouse wheel. Ignore all but the first to avoid flooding
	 * the server with turn commands.
	 */
	logger.debug(e.getClickCount() + " click count and " + e.getScrollType() + " scroll type and wheel rotation " + e.getWheelRotation());
	if (e.getClickCount() <= 1) {
		final User user = User.get();
		Direction currentDirection = user.getDirection();
		Direction newDirection = null;
		if (e.getUnitsToScroll() > 0) {
			// Turn right
			newDirection = currentDirection.nextDirection();
		} else {
			// Turn left
			newDirection =
					currentDirection.nextDirection().oppositeDirection();
		}

		if (newDirection != null && newDirection != currentDirection) {
			final RPAction turnAction = new RPAction();
			turnAction.put(TYPE, FACE);
			turnAction.put(DIR, newDirection.get());
			client.send(turnAction);
		}
	}
}
Example 14
Source File: JTreeTablePanel.java    From netbeans with Apache License 2.0 5 votes vote down vote up 
private static void scroll(final JScrollBar scroller, final MouseWheelEvent event) {
    if (event.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        int unitsToScroll = event.getUnitsToScroll();
        int direction = unitsToScroll < 0 ? -1 : 1;
        if (unitsToScroll != 0) {
            int increment = scroller.getUnitIncrement(direction);
            int oldValue = scroller.getValue();
            int newValue = oldValue + increment * unitsToScroll;
            newValue = Math.max(Math.min(newValue, scroller.getMaximum() -
                       scroller.getVisibleAmount()), scroller.getMinimum());
            if (oldValue != newValue) scroller.setValue(newValue);
        }
        event.consume();
    }
}
Example 15
Source File: ProfilerTableContainer.java    From netbeans with Apache License 2.0 5 votes vote down vote up 
private static void scroll(JScrollBar scroller, MouseWheelEvent event) {
    if (event.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        int direction = event.getUnitsToScroll() < 0 ? -1 : 1;
        int increment = scroller.getUnitIncrement(direction);
        int amount = event.getScrollAmount();
        int oldValue = scroller.getValue();
        int newValue = oldValue + increment * amount * direction;
        if (oldValue != newValue) scroller.setValue(newValue);
        event.consume();
    }
}
Example 16
Source File: ZyEditModeMouseWheelListener.java    From binnavi with Apache License 2.0 5 votes vote down vote up 
private void handleInMoveMode(final MouseWheelEvent event) {
  final boolean scrollDirection = event.getUnitsToScroll() > 0;

  if (event.isAltDown()) {
    moveVertical(scrollDirection);
  } else {
    moveHorizontal(scrollDirection);
  }
}
Example 17
Source File: ListHelper.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
static boolean doWheelScroll(XVerticalScrollbar vsb,
                                 XHorizontalScrollbar hsb,
                                 MouseWheelEvent e) {
    XScrollbar scroll = null;
    int wheelRotation;

    // Determine which, if any, sb to scroll
    if (vsb != null) {
        scroll = vsb;
    }
    else if (hsb != null) {
        scroll = hsb;
    }
    else { // Neither scrollbar is showing
        return false;
    }

    wheelRotation = e.getWheelRotation();

    // Check if scroll is necessary
    if ((wheelRotation < 0 && scroll.getValue() > scroll.getMinimum()) ||
        (wheelRotation > 0 && scroll.getValue() < scroll.getMaximum()) ||
        wheelRotation != 0) {

        int type = e.getScrollType();
        int incr;
        if (type == MouseWheelEvent.WHEEL_BLOCK_SCROLL) {
            incr = wheelRotation * scroll.getBlockIncrement();
        }
        else { // type is WHEEL_UNIT_SCROLL
            incr = e.getUnitsToScroll() * scroll.getUnitIncrement();
        }
        scroll.setValue(scroll.getValue() + incr);
        return true;
    }
    return false;
}
Example 18
Source File: ListHelper.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up 
static boolean doWheelScroll(XVerticalScrollbar vsb,
                                 XHorizontalScrollbar hsb,
                                 MouseWheelEvent e) {
    XScrollbar scroll = null;
    int wheelRotation;

    // Determine which, if any, sb to scroll
    if (vsb != null) {
        scroll = vsb;
    }
    else if (hsb != null) {
        scroll = hsb;
    }
    else { // Neither scrollbar is showing
        return false;
    }

    wheelRotation = e.getWheelRotation();

    // Check if scroll is necessary
    if ((wheelRotation < 0 && scroll.getValue() > scroll.getMinimum()) ||
        (wheelRotation > 0 && scroll.getValue() < scroll.getMaximum()) ||
        wheelRotation != 0) {

        int type = e.getScrollType();
        int incr;
        if (type == MouseWheelEvent.WHEEL_BLOCK_SCROLL) {
            incr = wheelRotation * scroll.getBlockIncrement();
        }
        else { // type is WHEEL_UNIT_SCROLL
            incr = e.getUnitsToScroll() * scroll.getUnitIncrement();
        }
        scroll.setValue(scroll.getValue() + incr);
        return true;
    }
    return false;
}
Example 19
Source File: DirectScrollPanel.java    From gcs with Mozilla Public License 2.0 5 votes vote down vote up 
@Override
public void mouseWheelMoved(MouseWheelEvent event) {
    if (event.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        int        amt = event.getUnitsToScroll();
        JScrollBar bar = event.isShiftDown() ? mHSB : mVSB;
        bar.setValue(bar.getValue() + amt * bar.getUnitIncrement());
    }
}
Example 20
Source File: ListHelper.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
static boolean doWheelScroll(XVerticalScrollbar vsb,
                                 XHorizontalScrollbar hsb,
                                 MouseWheelEvent e) {
    XScrollbar scroll = null;
    int wheelRotation;

    // Determine which, if any, sb to scroll
    if (vsb != null) {
        scroll = vsb;
    }
    else if (hsb != null) {
        scroll = hsb;
    }
    else { // Neither scrollbar is showing
        return false;
    }

    wheelRotation = e.getWheelRotation();

    // Check if scroll is necessary
    if ((wheelRotation < 0 && scroll.getValue() > scroll.getMinimum()) ||
        (wheelRotation > 0 && scroll.getValue() < scroll.getMaximum()) ||
        wheelRotation != 0) {

        int type = e.getScrollType();
        int incr;
        if (type == MouseWheelEvent.WHEEL_BLOCK_SCROLL) {
            incr = wheelRotation * scroll.getBlockIncrement();
        }
        else { // type is WHEEL_UNIT_SCROLL
            incr = e.getUnitsToScroll() * scroll.getUnitIncrement();
        }
        scroll.setValue(scroll.getValue() + incr);
        return true;
    }
    return false;
}