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

List of usage examples for com.google.gwt.user.client Event ONKEYDOWN

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  6. ONKEYDOWN

Introduction

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

Prototype

int ONKEYDOWN

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

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Document

Fired when the user depresses a key.

Usage

From source file:accelerator.client.ui.widget.AbstractButton.java

License:Open Source License

/**
 * {@inheritDoc}// ww w  . j av  a2  s.co m
 */
public void onBrowserEvent(Event event) {
    int eventType = DOM.eventGetType(event);

    switch (eventType) {
    case Event.ONMOUSEOVER:
        addStyleName(UI_STATE_HOVER);
        break;
    case Event.ONMOUSEOUT:
        removeStyleName(UI_STATE_HOVER);
        break;
    case Event.ONCLICK:
        if (disabled) {
            return;
        }
    }

    switch (eventType) {
    case Event.ONKEYDOWN:
    case Event.ONKEYPRESS:
    case Event.ONKEYUP:
        if (DOM.eventGetAltKey(event) || DOM.eventGetMetaKey(event)) {
            super.onBrowserEvent(event);
            return;
        }
    }

    switch (eventType) {
    case Event.ONKEYDOWN: {
        keyboardNavigation(event);
        lastWasKeyDown = true;
        break;
    }
    case Event.ONKEYPRESS:
        if (!lastWasKeyDown) {
            keyboardNavigation(event);
        }
        lastWasKeyDown = false;
        break;
    case Event.ONKEYUP:
        lastWasKeyDown = false;
        break;
    }

    switch (eventType) {
    case Event.ONKEYDOWN:
    case Event.ONKEYUP:
        if (isKeyAssigned(DOM.eventGetKeyCode(event))) {
            DOM.eventCancelBubble(event, true);
            DOM.eventPreventDefault(event);
            return;
        }
    }

    super.onBrowserEvent(event);
}

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

License:Apache License

/**
 * Called by when an event is previewed.
 *///from   w  w  w .j a v a  2 s .  c  o  m
public void eventDispatched(NativeEvent event) {
    Event event0 = Event.as(event);

    /* 
     * onKeyDown works with invisible characters (e.g. caps lock)
     * onKeyPress works with visible characters (i.e. [a-zA-Z0-9~!@#$%^&*()_+])
     */
    int eventType = Event.getTypeInt(event0.getType());
    if (eventType == Event.ONKEYDOWN) {
        char keyCode = (char) event0.getKeyCode();
        if (isSameKey(keyCode, m_lastKeyDown) && isSameKey(keyCode, m_enableKey)) {
            m_lastKeyDown = 0;
            enable(!m_enabled);
        } else {
            m_lastKeyDown = keyCode;
        }
    }

    if (m_enabled && (m_eventMask & eventType) != 0) {
        doEvent(event0);
    }
}

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

License:Apache License

/**
 * Renders an event bitmask as a human readable String. 
 * /*from   w w  w.j a va  2  s  . c o  m*/
 * @param eventMask
 * @return a String describing the events, or "" if <code>eventMask</code> is <code>0</code>
 */
public static String prettyPrintEventMask(int eventMask) {
    StringBuffer result = new StringBuffer();
    if ((eventMask & Event.ONBLUR) != 0) {
        result.append("blur ");
    }
    if ((eventMask & Event.ONCHANGE) != 0) {
        result.append("change ");
    }
    if ((eventMask & Event.ONCLICK) != 0) {
        result.append("click ");
    }
    if ((eventMask & Event.ONCONTEXTMENU) != 0) {
        result.append("contextmenu ");
    }
    if ((eventMask & Event.ONDBLCLICK) != 0) {
        result.append("dblclick ");
    }
    if ((eventMask & Event.ONERROR) != 0) {
        result.append("error ");
    }
    if ((eventMask & Event.ONFOCUS) != 0) {
        result.append("focus ");
    }
    if ((eventMask & Event.ONKEYDOWN) != 0) {
        result.append("keydown ");
    }
    if ((eventMask & Event.ONKEYPRESS) != 0) {
        result.append("keypress ");
    }
    if ((eventMask & Event.ONKEYUP) != 0) {
        result.append("keyup ");
    }
    if ((eventMask & Event.ONLOAD) != 0) {
        result.append("load ");
    }
    if ((eventMask & Event.ONLOSECAPTURE) != 0) {
        result.append("losecapture ");
    }
    if ((eventMask & Event.ONMOUSEDOWN) != 0) {
        result.append("mousedown ");
    }
    if ((eventMask & Event.ONMOUSEMOVE) != 0) {
        result.append("mousemove ");
    }
    if ((eventMask & Event.ONMOUSEOUT) != 0) {
        result.append("mouseout ");
    }
    if ((eventMask & Event.ONMOUSEOVER) != 0) {
        result.append("mouseover ");
    }
    if ((eventMask & Event.ONMOUSEUP) != 0) {
        result.append("mouseup ");
    }
    if ((eventMask & Event.ONSCROLL) != 0) {
        result.append("scroll ");
    }
    return result.toString();
}

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

License:Apache License

/**
 * Creates a human readable String describing the specified event.
 * /*from w w w  . j a v a  2 s  .c  om*/
 * @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.impl.TabFocusControllerStandard.java

License:Apache License

public TabFocusControllerStandard() {
    super(TabFocusController.class, Event.ONKEYDOWN);
}

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

License:Apache License

/**
 * Gets a code representing a specific keyboard key which was pressed or
 * released. Not valid for keypress events. 
 * /*from  w  w  w .ja va2 s.  c  om*/
 * @param event a keydown or keyup event
 * @return a char representing the key pressed
 * @throws IllegalArgumentException if event is other than onkeydown or
 *             onkeyup
 */
public static int getKeyCode(Event event) {
    if ((DOM.eventGetType(event) & (Event.ONKEYDOWN | Event.ONKEYUP)) == 0)
        throw new IllegalArgumentException();

    return DOM.eventGetKeyCode(event);
}

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

License:Apache License

public int getKeyCode() {
    if ((getType() & (Event.ONKEYDOWN | Event.ONKEYUP)) == 0)
        throw new IllegalStateException();

    return DOM.eventGetKeyCode(getDomEvent());
}

From source file:asquare.gwt.tk.demo.client.DebugPanel.java

License:Apache License

private Widget createCheckBoxes() {
    // can't use HashMap because it does not preserve order
    final Vector eventToMask = new Vector();
    eventToMask.add(new EventToMask("onfocus", Event.ONFOCUS));
    eventToMask.add(new EventToMask("onblur", Event.ONBLUR));
    eventToMask.add(new EventToMask("onchange", Event.ONCHANGE));
    eventToMask.add(new EventToMask("onkeydown", Event.ONKEYDOWN));
    eventToMask.add(new EventToMask("onkeypress", Event.ONKEYPRESS));
    eventToMask.add(new EventToMask("onkeyup", Event.ONKEYUP));
    eventToMask.add(new EventToMask("onscroll", Event.ONSCROLL));
    eventToMask.add(new EventToMask("onmousemove", Event.ONMOUSEMOVE));
    eventToMask.add(new EventToMask("onmouseover", Event.ONMOUSEOVER));
    eventToMask.add(new EventToMask("onmouseout", Event.ONMOUSEOUT));
    eventToMask.add(new EventToMask("onmousedown", Event.ONMOUSEDOWN));
    eventToMask.add(new EventToMask("onmouseup", Event.ONMOUSEUP));
    eventToMask.add(new EventToMask("onclick", Event.ONCLICK));
    eventToMask.add(new EventToMask("ondblclick", Event.ONDBLCLICK));
    eventToMask.add(new EventToMask("onerror", Event.ONERROR));

    ClickListener checkBoxController = new ClickListener() {
        public void onClick(Widget sender) {
            CheckBox cb = (CheckBox) sender;
            EventToMask mapping = (EventToMask) eventToMask.get(eventToMask.indexOf(cb.getText()));
            int traceEventMask = m_eventListener.getEventMask();
            if (cb.isChecked()) {
                traceEventMask |= mapping.m_mask;
            } else {
                traceEventMask &= ~mapping.m_mask;
            }//from w  w w .  jav  a  2s.  c o m
            m_eventListener.setEventMask(traceEventMask);
        }
    };

    FlowPanel panel = new FlowPanel();
    for (int i = 0; i < eventToMask.size(); i++) {
        EventToMask mapping = (EventToMask) eventToMask.get(i);
        addCheckBox(panel, mapping.m_event, mapping.m_mask, checkBoxController);
    }
    return panel;
}

From source file:asquare.gwt.tkdemo.client.demos.DebugPanel.java

License:Apache License

private Widget createCheckBoxes() {
    // can't use HashMap because it does not preserve order
    final ArrayList<EventToMask> eventToMask = new ArrayList<EventToMask>();
    eventToMask.add(new EventToMask("onfocus", Event.ONFOCUS));
    eventToMask.add(new EventToMask("onblur", Event.ONBLUR));
    eventToMask.add(new EventToMask("onchange", Event.ONCHANGE));
    eventToMask.add(new EventToMask("onkeydown", Event.ONKEYDOWN));
    eventToMask.add(new EventToMask("onkeypress", Event.ONKEYPRESS));
    eventToMask.add(new EventToMask("onkeyup", Event.ONKEYUP));
    eventToMask.add(new EventToMask("onscroll", Event.ONSCROLL));
    eventToMask.add(new EventToMask("onmousemove", Event.ONMOUSEMOVE));
    eventToMask.add(new EventToMask("onmouseover", Event.ONMOUSEOVER));
    eventToMask.add(new EventToMask("onmouseout", Event.ONMOUSEOUT));
    eventToMask.add(new EventToMask("onmousedown", Event.ONMOUSEDOWN));
    eventToMask.add(new EventToMask("onmouseup", Event.ONMOUSEUP));
    eventToMask.add(new EventToMask("onclick", Event.ONCLICK));
    eventToMask.add(new EventToMask("ondblclick", Event.ONDBLCLICK));
    eventToMask.add(new EventToMask("onerror", Event.ONERROR));

    ClickHandler checkBoxController = new ClickHandler() {
        public void onClick(ClickEvent event) {
            CheckBox cb = (CheckBox) event.getSource();
            String eventText = cb.getText();
            EventToMask mapping = null;/*from   ww  w.  j  a va 2s  .c o m*/
            for (int i = 0, size = eventToMask.size(); i < size; i++) {
                EventToMask candidate = eventToMask.get(i);
                if (candidate.m_eventString.equals(eventText)) {
                    mapping = candidate;
                    break;
                }
            }
            int traceEventMask = m_eventListener.getEventMask();
            if (cb.getValue()) {
                traceEventMask |= mapping.m_eventMask;
            } else {
                traceEventMask &= ~mapping.m_eventMask;
            }
            m_eventListener.setEventMask(traceEventMask);
        }
    };

    ColumnPanel panel = new ColumnPanel();
    for (int i = 0; i < eventToMask.size(); i++) {
        if (i == 0 || i == 7) {
            panel.addCell();
        }
        EventToMask mapping = eventToMask.get(i);
        addCheckBox(panel, mapping.m_eventString, mapping.m_eventMask, checkBoxController);
    }

    return panel;
}

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.
 * //w ww.  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 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;
        }
    }
}