Example usage for com.google.gwt.user.client Event ONMOUSEWHEEL

Introduction

In this page you can find the example usage for com.google.gwt.user.client Event ONMOUSEWHEEL.

Prototype

int ONMOUSEWHEEL

To view the source code for com.google.gwt.user.client Event ONMOUSEWHEEL.

Click Source Link

Document

Fired when the user scrolls the mouse wheel over an element.

Usage

From source file:asquare.gwt.debug.client.DebugUtil.java

License:Apache License

/**
 * Creates a human readable String describing the specified event.
 * //from w  ww  .j a  va  2  s.c o  m
 * @param event an {@link Event}
 * @return a String describing the <code>event</code>, or
 *         <code>"null"</code> if <code>event</code> is null
 */
public static String prettyPrintEvent(Event event) {
    if (event == null)
        return String.valueOf(event);

    switch (DOM.eventGetType(event)) {
    case Event.ONKEYDOWN:
        return "event[type=onKeyDown," + createKeyString(event) + "]";

    case Event.ONKEYUP:
        return "event[type=onKeyUp," + createKeyString(event) + "]";

    case Event.ONKEYPRESS:
        return "event[type=onKeyPress," + createKeyString(event) + "]";

    case Event.ONCHANGE:
        return "event[type=onChange,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONFOCUS:
        return "event[type=onFocus,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONBLUR:
        return "event[type=onBlur,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONCLICK:
        return "event[type=onClick,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONDBLCLICK:
        return "event[type=onDblClick,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONERROR:
        return "event[type=onError,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONLOAD:
        return "event[type=onLoad,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONLOSECAPTURE:
        return "event[type=onLoseCapture,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONMOUSEDOWN:
        return "event[type=onMouseDown," + createMouseString(event) + "]";

    case Event.ONMOUSEUP:
        return "event[type=onMouseUp," + createMouseString(event) + "]";

    case Event.ONMOUSEOVER:
        return "event[type=onMouseOver," + createMouseString(event) + "]";

    case Event.ONMOUSEOUT:
        return "event[type=onMouseOut," + createMouseString(event) + "]";

    case Event.ONMOUSEMOVE:
        return "event[type=onMouseMove," + createMouseString(event) + "]";

    case Event.ONMOUSEWHEEL:
        return "event[type=onMouseWheel," + createMouseString(event) + "]";

    case Event.ONSCROLL:
        return "event[type=onScroll,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    default:
        return DOM.eventToString(event);
    }
}

---

From source file:asquare.gwt.tk.client.ui.behavior.CMouseWheelListenerAdaptor.java

License:Apache License

public int getEventBits() {
    return Event.ONMOUSEWHEEL;
}

---

From source file:at.ac.fhcampuswien.atom.client.gui.attributes.components.slider.SliderBar.java

License:Apache License

/**
 * Listen for events that will move the knob.
 * //from ww  w  .  ja  v a2s.  c o  m
 * @param event the event that occurred
 */
@Override
public void onBrowserEvent(Event event) {
    super.onBrowserEvent(event);
    if (enabled) {
        switch (DOM.eventGetType(event)) {
        // Unhighlight and cancel keyboard events
        case Event.ONBLUR:
            keyTimer.cancel();
            if (slidingMouse) {
                DOM.releaseCapture(getElement());
                slidingMouse = false;
                slideKnob(event);
                stopSliding(true, true);
            } else if (slidingKeyboard) {
                slidingKeyboard = false;
                stopSliding(true, true);
            }
            unhighlight();
            break;

        // Highlight on focus
        case Event.ONFOCUS:
            highlight();
            break;

        // Mousewheel events
        case Event.ONMOUSEWHEEL:
            int velocityY = DOM.eventGetMouseWheelVelocityY(event);
            DOM.eventPreventDefault(event);
            if (velocityY > 0) {
                shiftRight(1);
            } else {
                shiftLeft(1);
            }
            break;

        // Shift left or right on key press
        case Event.ONKEYDOWN:
            if (!slidingKeyboard) {
                int multiplier = 1;
                if (DOM.eventGetCtrlKey(event)) {
                    multiplier = (int) (getTotalRange() / stepSize / 10);
                }

                switch (DOM.eventGetKeyCode(event)) {
                case KeyCodes.KEY_HOME:
                    DOM.eventPreventDefault(event);
                    setCurrentValue(minValue);
                    break;
                case KeyCodes.KEY_END:
                    DOM.eventPreventDefault(event);
                    setCurrentValue(maxValue);
                    break;
                case KeyCodes.KEY_LEFT:
                    DOM.eventPreventDefault(event);
                    slidingKeyboard = true;
                    startSliding(false, true);
                    shiftLeft(multiplier);
                    keyTimer.schedule(400, false, multiplier);
                    break;
                case KeyCodes.KEY_RIGHT:
                    DOM.eventPreventDefault(event);
                    slidingKeyboard = true;
                    startSliding(false, true);
                    shiftRight(multiplier);
                    keyTimer.schedule(400, true, multiplier);
                    break;
                case 32:
                    DOM.eventPreventDefault(event);
                    setCurrentValue(minValue + getTotalRange() / 2);
                    break;
                }
            }
            break;
        // Stop shifting on key up
        case Event.ONKEYUP:
            keyTimer.cancel();
            if (slidingKeyboard) {
                slidingKeyboard = false;
                stopSliding(true, true);
            }
            break;

        // Mouse Events
        case Event.ONMOUSEDOWN:
            setFocus(true);
            slidingMouse = true;
            DOM.setCapture(getElement());
            startSliding(true, true);
            DOM.eventPreventDefault(event);
            slideKnob(event);
            break;
        case Event.ONMOUSEUP:
            if (slidingMouse) {
                DOM.releaseCapture(getElement());
                slidingMouse = false;
                slideKnob(event);
                stopSliding(true, true);
            }
            break;
        case Event.ONMOUSEMOVE:
            if (slidingMouse) {
                slideKnob(event);
            }
            break;
        }
    }
}

---

From source file:cc.alcina.framework.gwt.client.widget.complex.SliderBar.java

License:Apache License

/**
 * Listen for events that will move the knob.
 *
 * @param event// w w w .ja  v  a2 s. co  m
 *            the event that occurred
 */
@Override
public void onBrowserEvent(Event event) {
    super.onBrowserEvent(event);
    if (enabled) {
        switch (DOM.eventGetType(event)) {
        // Unhighlight and cancel keyboard events
        case Event.ONBLUR:
            keyTimer.cancel();
            if (slidingMouse) {
                DOM.releaseCapture(getElement());
                slidingMouse = false;
                slideKnob(event);
                stopSliding(true, true);
            } else if (slidingKeyboard) {
                slidingKeyboard = false;
                stopSliding(true, true);
            }
            unhighlight();
            break;
        // Highlight on focus
        case Event.ONFOCUS:
            highlight();
            break;
        // Mousewheel events
        case Event.ONMOUSEWHEEL:
            int velocityY = DOM.eventGetMouseWheelVelocityY(event);
            DOM.eventPreventDefault(event);
            if (velocityY > 0) {
                shiftUp(1);
            } else {
                shiftDown(1);
            }
            break;
        // Shift left or right on key press
        case Event.ONKEYDOWN:
            if (!slidingKeyboard && isKeyEventsEnabled()) {
                int multiplier = 1;
                if (DOM.eventGetCtrlKey(event)) {
                    multiplier = (int) (getTotalRange() / stepSize / 10);
                }
                switch (DOM.eventGetKeyCode(event)) {
                case KeyCodes.KEY_HOME:
                    DOM.eventPreventDefault(event);
                    setCurrentValue(minValue);
                    break;
                case KeyCodes.KEY_END:
                    DOM.eventPreventDefault(event);
                    setCurrentValue(maxValue);
                    break;
                case KeyCodes.KEY_LEFT:
                    DOM.eventPreventDefault(event);
                    slidingKeyboard = true;
                    startSliding(false, true);
                    shiftDown(multiplier);
                    keyTimer.schedule(400, false, multiplier);
                    break;
                case KeyCodes.KEY_RIGHT:
                    DOM.eventPreventDefault(event);
                    slidingKeyboard = true;
                    startSliding(false, true);
                    shiftUp(multiplier);
                    keyTimer.schedule(400, true, multiplier);
                    break;
                case 32:
                    DOM.eventPreventDefault(event);
                    setCurrentValue(minValue + getTotalRange() / 2);
                    break;
                }
            }
            break;
        // Stop shifting on key up
        case Event.ONKEYUP:
            keyTimer.cancel();
            if (slidingKeyboard) {
                slidingKeyboard = false;
                stopSliding(true, true);
            }
            break;
        // Mouse Events
        case Event.ONMOUSEDOWN:
            setFocus(true);
            slidingMouse = true;
            DOM.setCapture(getElement());
            startSliding(true, true);
            DOM.eventPreventDefault(event);
            slideKnob(event);
            break;
        case Event.ONMOUSEUP:
            if (slidingMouse) {
                DOM.releaseCapture(getElement());
                slidingMouse = false;
                slideKnob(event);
                stopSliding(true, true);
            }
            break;
        case Event.ONMOUSEMOVE:
            if (slidingMouse) {
                slideKnob(event);
            }
            break;
        }
    }
}

---

From source file:com.alkacon.geranium.client.util.FocusedScrollingHandler.java

License:Open Source License

/**
 * @see com.google.gwt.user.client.Event.NativePreviewHandler#onPreviewNativeEvent(com.google.gwt.user.client.Event.NativePreviewEvent)
 *//*www.j a  v a2 s .  co m*/
public void onPreviewNativeEvent(NativePreviewEvent event) {

    if ((Event.ONMOUSEWHEEL == event.getTypeInt()) && (m_handlerRegistration != null)) {
        PositionBean position = PositionBean.generatePositionInfo(m_scrollPanel);
        if (position.isOverElement(event.getNativeEvent().getClientX(), event.getNativeEvent().getClientY())) {
            boolean cancelEvent = false;
            int velocity = event.getNativeEvent().getMouseWheelVelocityY();
            if (velocity > 0) {

                Widget child = m_scrollPanel.getWidget();
                int scrollSpace = child.getOffsetHeight() - m_scrollPanel.getVerticalScrollPosition()
                        - m_scrollPanel.getOffsetHeight();
                DebugLog.getInstance().printLine("Scrolling down:  " + scrollSpace);
                cancelEvent = scrollSpace <= 0;
            } else {
                DebugLog.getInstance().printLine("Scrolling up:  " + m_scrollPanel.getVerticalScrollPosition());
                cancelEvent = m_scrollPanel.getVerticalScrollPosition() == 0;
            }
            if (cancelEvent) {
                event.cancel();
            }
        } else {
            removeHandler();
        }

    }

}

---

From source file:com.apress.progwt.client.college.gui.ext.FocusPanelExt.java

License:Apache License

public FocusPanelExt() {
    super(impl.createFocusable());
    sinkEvents(Event.FOCUSEVENTS | Event.KEYEVENTS | Event.ONCLICK | Event.MOUSEEVENTS | Event.ONMOUSEWHEEL
            | Event.ONDBLCLICK);/*w w  w.j ava 2s.  co m*/

    delayedclickFirer = new Timer() {
        public void run() {
            // Log.debug("DELAYED CLICK FIRE");
            clickListeners.fireClick(FocusPanelExt.this);
        }
    };
}

---

From source file:com.apress.progwt.client.college.gui.ext.FocusPanelExt.java

License:Apache License

public void onBrowserEvent(Event event) {

    switch (DOM.eventGetType(event)) {
    case Event.ONCLICK:
        lastClickEventCtrl = DOM.eventGetCtrlKey(event);
        lastClickClientX = DOM.eventGetClientX(event);
        lastClickClientY = DOM.eventGetClientY(event);
        if (clickListeners != null) {
            // Log.debug("DELAYED CLICK SCHEDULE");
            delayedclickFirer.schedule(DBL_CLICK_DELAY);
        }/*  w  w  w  . j a  v a 2  s  . c  o  m*/
        break;

    case Event.ONMOUSEDOWN:
    case Event.ONMOUSEUP:
    case Event.ONMOUSEMOVE:
    case Event.ONMOUSEOVER:
    case Event.ONMOUSEOUT:
        if (mouseListeners != null) {
            mouseListeners.fireMouseEvent(this, event);
        }
        break;
    case Event.ONDBLCLICK:
        if (doubleClickLisenerCollection != null) {
            delayedclickFirer.cancel();
            // Log.debug("DELAYED CLICK CANCEL ON DOUBLE");
            doubleClickLisenerCollection.fireDoubleClick(this);
        }
        break;
    case Event.ONMOUSEWHEEL:
        if (mouseWheelListeners != null) {
            mouseWheelListeners.fireMouseWheelEvent(this, event);
        }
        break;

    case Event.ONBLUR:
    case Event.ONFOCUS:
        if (focusListeners != null) {
            focusListeners.fireFocusEvent(this, event);
        }
        break;

    case Event.ONKEYDOWN:
    case Event.ONKEYUP:
    case Event.ONKEYPRESS:
        if (keyboardListeners != null) {
            keyboardListeners.fireKeyboardEvent(this, event);
        }
        break;
    }
    // lastClickEvent = null;
}

---

From source file:com.bearsoft.gwt.ui.widgets.progress.SliderBar.java

License:Apache License

/**
 * Listen for events that will move the knob.
 *
 * @param event the event that occurred//  w  ww . j a  va 2 s .  co  m
 */
@Override
public void onBrowserEvent(Event event) {
    super.onBrowserEvent(event);
    if (enabled) {
        switch (DOM.eventGetType(event)) {
        // Unhighlight and cancel keyboard events
        case Event.ONBLUR:
            keyTimer.cancel();
            if (slidingMouse) {
                DOM.releaseCapture(getElement());
                slidingMouse = false;
                slideKnob(event);
                stopSliding(true);
            } else if (slidingKeyboard) {
                slidingKeyboard = false;
                stopSliding(true);
            }
            unhighlightFocus();
            break;

        // Highlight on focus
        case Event.ONFOCUS:
            highlightFocus();
            break;

        // Mousewheel events
        case Event.ONMOUSEWHEEL:
            int velocityY = event.getMouseWheelVelocityY();
            event.preventDefault();
            if (velocityY > 0) {
                shiftRight(1);
            } else {
                shiftLeft(1);
            }
            break;

        // Shift left or right on key press
        case Event.ONKEYDOWN:
            if (!slidingKeyboard) {
                int multiplier = 1;
                if (event.getCtrlKey()) {
                    multiplier = (int) (getTotalRange() / stepSize / 10);
                }

                switch (event.getKeyCode()) {
                case KeyCodes.KEY_HOME:
                    event.preventDefault();
                    setValue(minValue, true);
                    break;
                case KeyCodes.KEY_END:
                    event.preventDefault();
                    setValue(maxValue, true);
                    break;
                case KeyCodes.KEY_LEFT:
                    event.preventDefault();
                    slidingKeyboard = true;
                    startSliding(false);
                    shiftLeft(multiplier);
                    keyTimer.schedule(400, false, multiplier);
                    break;
                case KeyCodes.KEY_RIGHT:
                    event.preventDefault();
                    slidingKeyboard = true;
                    startSliding(false);
                    shiftRight(multiplier);
                    keyTimer.schedule(400, true, multiplier);
                    break;
                case KeyCodes.KEY_SPACE:
                    event.preventDefault();
                    setValue(minValue + getTotalRange() / 2, true);
                    break;
                }
            }
            break;
        // Stop shifting on key up
        case Event.ONKEYUP:
            keyTimer.cancel();
            if (slidingKeyboard) {
                slidingKeyboard = false;
                stopSliding(true);
            }
            break;

        // Mouse Events
        case Event.ONMOUSEDOWN:
            setFocus(true);
            slidingMouse = true;
            DOM.setCapture(getElement());
            startSliding(true);
            event.preventDefault();
            //slideKnob(event);
            break;
        case Event.ONMOUSEUP:
            if (slidingMouse) {
                DOM.releaseCapture(getElement());
                slidingMouse = false;
                slideKnob(event);
                stopSliding(true);
            }
            break;
        case Event.ONMOUSEMOVE:
            if (slidingMouse) {
                slideKnob(event);
            }
            break;
        }
    }
}

---

From source file:com.cardfight.client.SliderBar.java

License:Apache License

/**
 * Listen for events that will move the knob.
 * //w  w  w . j a  v a 2s.c o m
 * @param event the event that occurred
 */
@Override
public void onBrowserEvent(Event event) {
    super.onBrowserEvent(event);
    if (enabled) {
        switch (DOM.eventGetType(event)) {
        // Unhighlight and cancel keyboard events
        case Event.ONBLUR:
            keyTimer.cancel();
            decideWhichKnobGetsFocus(event);
            if (slidingMouse) {
                DOM.releaseCapture(getElement());
                slidingMouse = false;
                slideKnob(event);
                stopSliding(true, true);
            } else if (slidingKeyboard) {
                slidingKeyboard = false;
                stopSliding(true, true);
            }
            unhighlight();
            break;

        // Highlight on focus
        case Event.ONFOCUS:
            highlight();
            break;

        // Mousewheel events
        case Event.ONMOUSEWHEEL:
            int velocityY = DOM.eventGetMouseWheelVelocityY(event);
            DOM.eventPreventDefault(event);
            if (velocityY > 0) {
                shiftRight(1);
            } else {
                shiftLeft(1);
            }
            break;

        // Shift left or right on key press
        case Event.ONKEYDOWN:
            if (!slidingKeyboard) {
                int multiplier = 1;
                if (DOM.eventGetCtrlKey(event)) {
                    multiplier = (int) (getTotalRange() / stepSize / 10);
                }

                switch (DOM.eventGetKeyCode(event)) {
                case KeyboardListener.KEY_HOME:
                    DOM.eventPreventDefault(event);
                    setCurrentValue(minValue);
                    break;
                case KeyboardListener.KEY_END:
                    DOM.eventPreventDefault(event);
                    if (displaySecondKnob)
                        setCurrentValue2(maxValue);
                    else
                        setCurrentValue(maxValue);
                    break;
                case KeyboardListener.KEY_LEFT:
                    DOM.eventPreventDefault(event);
                    slidingKeyboard = true;
                    startSliding(false, true);
                    shiftLeft(multiplier);
                    keyTimer.schedule(400, false, multiplier);
                    break;
                case KeyboardListener.KEY_RIGHT:
                    DOM.eventPreventDefault(event);
                    slidingKeyboard = true;
                    startSliding(false, true);
                    shiftRight(multiplier);
                    keyTimer.schedule(400, true, multiplier);
                    break;
                case 32:
                    DOM.eventPreventDefault(event);
                    if (displaySecondKnob)
                        setCurrentValue2(minValue + getTotalRange() / 2);
                    else
                        setCurrentValue(minValue + getTotalRange() / 2);
                    break;
                }
            }
            break;
        // Stop shifting on key up
        case Event.ONKEYUP:
            keyTimer.cancel();
            if (slidingKeyboard) {
                slidingKeyboard = false;
                stopSliding(true, true);
            }
            break;

        // Mouse Events
        case Event.ONMOUSEDOWN:
            setFocus(true);
            slidingMouse = true;
            DOM.setCapture(getElement());
            decideWhichKnobGetsFocus(event);
            startSliding(true, true);
            DOM.eventPreventDefault(event);
            slideKnob(event);
            break;
        case Event.ONMOUSEUP:
            if (slidingMouse) {
                DOM.releaseCapture(getElement());
                slidingMouse = false;
                decideWhichKnobGetsFocus(event);
                slideKnob(event);
                stopSliding(true, true);
            }
            break;
        case Event.ONMOUSEMOVE:
            if (slidingMouse) {
                boolean state = knob1HasFocus;
                decideWhichKnobGetsFocus(event);
                if (state != knob1HasFocus) {
                    knob1HasFocus = state;
                    stopSliding(true, true);
                    knob1HasFocus = !state;
                    startSliding(true, true);
                }
                slideKnob(event);
            }
            break;
        }
    }
}

---

From source file:com.cardfight.client.table.SliderBar.java

License:Apache License

/**
 * Listen for events that will move the knob.
 * /*from  ww  w .j  av a  2  s.  c o m*/
 * @param event the event that occurred
 */
@Override
public void onBrowserEvent(Event event) {
    super.onBrowserEvent(event);
    if (enabled) {
        switch (DOM.eventGetType(event)) {
        // Unhighlight and cancel keyboard events
        case Event.ONBLUR:
            keyTimer.cancel();
            if (slidingMouse) {
                DOM.releaseCapture(getElement());
                slidingMouse = false;
                slideKnob(event);
                stopSliding(true, true);
            } else if (slidingKeyboard) {
                slidingKeyboard = false;
                stopSliding(true, true);
            }
            unhighlight();
            break;

        // Highlight on focus
        case Event.ONFOCUS:
            highlight();
            break;

        // Mousewheel events
        case Event.ONMOUSEWHEEL:
            int velocityY = DOM.eventGetMouseWheelVelocityY(event);
            DOM.eventPreventDefault(event);
            if (velocityY > 0) {
                shiftRight(1);
            } else {
                shiftLeft(1);
            }
            break;

        // Shift left or right on key press
        case Event.ONKEYDOWN:
            if (!slidingKeyboard) {
                int multiplier = 1;
                if (DOM.eventGetCtrlKey(event)) {
                    multiplier = (int) (getTotalRange() / stepSize / 10);
                }

                switch (DOM.eventGetKeyCode(event)) {
                case KeyboardListener.KEY_HOME:
                    DOM.eventPreventDefault(event);
                    setCurrentValue(minValue);
                    break;
                case KeyboardListener.KEY_END:
                    DOM.eventPreventDefault(event);
                    setCurrentValue(maxValue);
                    break;
                case KeyboardListener.KEY_LEFT:
                    DOM.eventPreventDefault(event);
                    slidingKeyboard = true;
                    startSliding(false, true);
                    shiftLeft(multiplier);
                    keyTimer.schedule(400, false, multiplier);
                    break;
                case KeyboardListener.KEY_RIGHT:
                    DOM.eventPreventDefault(event);
                    slidingKeyboard = true;
                    startSliding(false, true);
                    shiftRight(multiplier);
                    keyTimer.schedule(400, true, multiplier);
                    break;
                case 32:
                    DOM.eventPreventDefault(event);
                    setCurrentValue(minValue + getTotalRange() / 2);
                    break;
                }
            }
            break;
        // Stop shifting on key up
        case Event.ONKEYUP:
            keyTimer.cancel();
            if (slidingKeyboard) {
                slidingKeyboard = false;
                stopSliding(true, true);
            }
            break;

        // Mouse Events
        case Event.ONMOUSEDOWN:
            setFocus(true);
            slidingMouse = true;
            DOM.setCapture(getElement());
            startSliding(true, true);
            DOM.eventPreventDefault(event);
            //slideKnob(event);
            break;
        case Event.ONMOUSEUP:
            if (slidingMouse) {
                DOM.releaseCapture(getElement());
                slidingMouse = false;
                moveInDirectionOfClick(event);
                stopSliding(true, true);
            }
            break;
        case Event.ONMOUSEMOVE:
            if (slidingMouse) {
                slideKnob(event);
            }
            break;
        }
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• »