Example usage for com.google.gwt.dom.client Touch getRelativeX

List of usage examples for com.google.gwt.dom.client Touch getRelativeX

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Introduction

In this page you can find the example usage for com.google.gwt.dom.client Touch getRelativeX.

Prototype

public final int getRelativeX(Element target)

Source Link

Document

Gets the touch x-position relative to a given element.

Usage

From source file:anagram.client.GwtCanvasDemo.java

License:Apache License

void initHandlers() {
    canvas.addMouseMoveHandler(new MouseMoveHandler() {
        public void onMouseMove(MouseMoveEvent event) {
            mouseX = event.getRelativeX(canvas.getElement());
            mouseY = event.getRelativeY(canvas.getElement());
        }/*from  w  w  w .j  a  va2  s.  co  m*/
    });

    canvas.addMouseOutHandler(new MouseOutHandler() {
        public void onMouseOut(MouseOutEvent event) {
            mouseX = -200;
            mouseY = -200;
        }
    });

    canvas.addTouchMoveHandler(new TouchMoveHandler() {
        public void onTouchMove(TouchMoveEvent event) {
            event.preventDefault();
            if (event.getTouches().length() > 0) {
                Touch touch = event.getTouches().get(0);
                mouseX = touch.getRelativeX(canvas.getElement());
                mouseY = touch.getRelativeY(canvas.getElement());
            }
            event.preventDefault();
        }
    });

    canvas.addTouchEndHandler(new TouchEndHandler() {
        public void onTouchEnd(TouchEndEvent event) {
            event.preventDefault();
            mouseX = -200;
            mouseY = -200;
        }
    });

    canvas.addGestureStartHandler(new GestureStartHandler() {
        public void onGestureStart(GestureStartEvent event) {
            event.preventDefault();
        }
    });
}

From source file:com.ait.lienzo.client.widget.LienzoHandlerManager.java

License:Open Source License

private final List<TouchPoint> getTouches(final TouchEvent<?> event) {
    final JsArray<Touch> jsarray = event.getTouches();

    final Element element = event.getRelativeElement();

    if ((null != jsarray) && (jsarray.length() > 0)) {
        final int size = jsarray.length();

        final ArrayList<TouchPoint> touches = new ArrayList<TouchPoint>(size);

        for (int i = 0; i < size; i++) {
            final Touch touch = jsarray.get(i);

            touches.add(new TouchPoint(touch.getRelativeX(element), touch.getRelativeY(element)));
        }/*from w ww  . j a  v  a  2  s.co  m*/
        return touches;
    } else {
        int x = event.getNativeEvent().getClientX() - element.getAbsoluteLeft() + element.getScrollLeft()
                + element.getOwnerDocument().getScrollLeft();

        int y = event.getNativeEvent().getClientY() - element.getAbsoluteTop() + element.getScrollTop()
                + element.getOwnerDocument().getScrollTop();

        return Arrays.asList(new TouchPoint(x, y));
    }
}

From source file:com.badlogic.gdx.backends.gwt.GwtInput.java

License:Apache License

protected int getRelativeX(Touch touch, CanvasElement target) {
    float xScaleRatio = target.getWidth() * 1f / target.getClientWidth(); // Correct for canvas CSS scaling
    return Math.round(xScaleRatio * touch.getRelativeX(target));
}

From source file:com.emitrom.lienzo.client.widget.LienzoHandlerManager.java

License:Open Source License

private final ArrayList<TouchPoint> getTouches(TouchEvent<?> event) {
    ArrayList<TouchPoint> touches = new ArrayList<TouchPoint>();

    JsArray<Touch> jsarray = event.getTouches();

    Element element = event.getRelativeElement();

    if ((null != jsarray) && (jsarray.length() > 0)) {
        int size = jsarray.length();

        for (int i = 0; i < size; i++) {
            Touch touch = jsarray.get(i);

            touches.add(new TouchPoint(touch.getRelativeX(element), touch.getRelativeY(element)));
        }//from w  w w.  j  a va2 s . c o m
    } else {
        int x = event.getNativeEvent().getClientX() - element.getAbsoluteLeft() + element.getScrollLeft()
                + element.getOwnerDocument().getScrollLeft();

        int y = event.getNativeEvent().getClientY() - element.getAbsoluteTop() + element.getScrollTop()
                + element.getOwnerDocument().getScrollTop();

        touches.add(new TouchPoint(x, y));
    }
    return touches;
}

From source file:com.imaginedreal.mgwt.trafficflow.client.activities.seattle.SeattleViewGwtImpl.java

License:Apache License

@Override
public void renderCameras(final List<CameraItem> cameraItems) {
    // canvas size in px
    final int width = 1121;
    final int height = 2585;

    // get the 2D rendering context
    context3 = cameraCanvas.getContext2d();

    // initialize the canvas
    cameraCanvas.setWidth(width + "px");
    cameraCanvas.setHeight(height + "px");
    cameraCanvas.setPixelSize(width, height);
    cameraCanvas.setCoordinateSpaceWidth(width);
    cameraCanvas.setCoordinateSpaceHeight(height);

    for (final CameraItem item : cameraItems) {
        final Image cameraImage = new Image(Resources.INSTANCE.camera());
        cameraImage.addLoadHandler(new LoadHandler() {

            @Override//from w ww  . j av a 2 s.  c  om
            public void onLoad(LoadEvent event) {
                ImageElement imageElement = cameraImage.getElement().cast();
                context3.drawImage(imageElement, Double.parseDouble(item.getX()),
                        Double.parseDouble(item.getY()));
            }
        });

        cameraImage.setVisible(false);
        container.add(cameraImage);
    }

    cameraCanvas.addMouseDownHandler(new MouseDownHandler() {
        @Override
        public void onMouseDown(MouseDownEvent event) {
            mouseX = event.getRelativeX(cameraCanvas.getElement());
            mouseY = event.getRelativeY(cameraCanvas.getElement());
            for (CameraItem item : cameraItems) {
                if (((mouseX >= Double.parseDouble(item.getX())
                        && (mouseX <= (Double.parseDouble(item.getX()) + Double.parseDouble(item.getWidth()))))
                        && ((mouseY >= Double.parseDouble(item.getY()))
                                && (mouseY <= (Double.parseDouble(item.getY())
                                        + Double.parseDouble(item.getHeight())))))) {
                    if (presenter != null) {
                        presenter.onCameraImagePressed(item);
                    }
                }
            }
        }
    });

    cameraCanvas.addTouchStartHandler(new TouchStartHandler() {
        @Override
        public void onTouchStart(TouchStartEvent event) {
            event.preventDefault();
            if (event.getTouches().length() > 0) {
                Touch touch = event.getTouches().get(0);
                mouseX = touch.getRelativeX(cameraCanvas.getElement());
                mouseY = touch.getRelativeY(cameraCanvas.getElement());
            }
        }
    });

    touchDelegate.addTapHandler(new TapHandler() {
        @Override
        public void onTap(TapEvent event) {
            for (CameraItem item : cameraItems) {
                if (((mouseX >= Double.parseDouble(item.getX())
                        && (mouseX <= (Double.parseDouble(item.getX()) + Double.parseDouble(item.getWidth()))))
                        && ((mouseY >= Double.parseDouble(item.getY()))
                                && (mouseY <= (Double.parseDouble(item.getY())
                                        + Double.parseDouble(item.getHeight())))))) {
                    if (presenter != null) {
                        presenter.onCameraImagePressed(item);
                    }
                }
            }
        }
    });

    if (Boolean.valueOf(localStorage.getItem("KEY_SHOW_CAMERAS"))) {
        showCameras();
    } else {
        hideCameras();
    }
}

From source file:com.lushprojects.circuitjs1.client.Scrollbar.java

License:Open Source License

public void onTouchMove(TouchMoveEvent e) {
    //       GWT.log("touchmove");
    e.preventDefault();//from  w w w .  j a v  a2s. co m
    Touch t = e.getTouches().get(0);
    doMouseMove(t.getRelativeX(getElement()));
}

From source file:com.lushprojects.circuitjs1.client.Scrollbar.java

License:Open Source License

public void onTouchStart(TouchStartEvent event) {
    //       GWT.log("touchstart");
    event.preventDefault();//from   w  ww .j a va 2s. co  m
    dragging = false;
    Touch t = event.getTouches().get(0);
    doMouseDown(t.getRelativeX(getElement()), false);
}

From source file:com.sencha.gxt.sample.graph.client.draw.GraphDnD.java

License:Apache License

protected void onTouchStart(TouchStartEvent event) {
    JsArray<Touch> touches = event.getChangedTouches();

    for (int i = 0; i < touches.length(); i++) {
        Touch t = touches.get(i);
        Point dragStartPosition = new Point(t.getRelativeX(graph.getElement()),
                t.getRelativeY(graph.getElement()));
        log.finer("Touch start: " + t.getIdentifier() + " @ " + dragStartPosition.toString());

        boolean start = onStartDrag("touch" + t.getIdentifier(), dragStartPosition.getX(),
                dragStartPosition.getY());

        if (!start) {
            //not actually dragging, give up on this one
            continue;
        }//from ww  w.ja  va 2  s. com
        this.touchDragStartPositions.put(t.getIdentifier(), dragStartPosition);

        //watch for next move or up
        touchHandler.add();
        event.preventDefault();

        //TODO fire an event about starting dragging
    }
}

From source file:edu.caltech.ipac.firefly.visualize.PVMouse.java

public void onTouchStart(TouchStartEvent ev) {
    //        if (ev.getTouches().length()>1) return;
    boolean exclusive = _exclusiveMouse.size() > 0;
    Touch t = ev.getTargetTouches().get(0);
    if (DEBUG) {/*  ww  w.  j a  va2  s  . c o  m*/
        GwtUtil.showDebugMsg("start, touches:" + ev.getTargetTouches().length() + " -  c: " + t.getClientX()
                + "," + t.getClientY() + " -  p: " + t.getPageX() + "," + t.getPageY() + " -  s: "
                + t.getScreenX() + "," + t.getScreenY() + " -  r: "
                + t.getRelativeX(_mouseMoveArea.getElement()) + ","
                + t.getRelativeY(_mouseMoveArea.getElement()) + " - pos: " + _mouseMoveArea.getAbsoluteLeft()
                + "," + _mouseMoveArea.getAbsoluteTop() + "," + " - scroll: "
                + _mouseMoveArea.getElement().getScrollLeft() + "," + _mouseMoveArea.getElement().getScrollTop()
                + "," + " - absScroll: " + _mouseMoveArea.getElement().getOwnerDocument().getScrollLeft() + ","
                + _mouseMoveArea.getElement().getOwnerDocument().getScrollTop());
    }
    ScreenPt spt = makeScreenPt(ev);
    if (!exclusive)
        addPreventEvent();
    _pv.enableFocus();
    if (!exclusive) {
        DOM.releaseCapture(_mouseMoveArea.getElement());
        DOM.setCapture(_mouseMoveArea.getElement());
    }
    boolean enabledOthers = true;
    if (exclusive) {
        WebPlotView.MouseInfo mi;
        int len = _exclusiveMouse.size();
        boolean enabledExclusive = true;
        for (int i = 1; ((len - i) >= 0 && enabledExclusive); i++) {
            mi = _exclusiveMouse.get(len - i);
            if (mi.isEnabled())
                mi.getHandler().onTouchStart(_pv, spt, ev);
            enabledExclusive = mi.getEnableAllExclusive();
            enabledOthers = mi.getEnableAllPersistent();
        }
    }
    if (enabledOthers) {
        for (WebPlotView.MouseInfo info : _persistentMouse) {
            if (info.isEnabled())
                info.getHandler().onTouchStart(_pv, spt, ev);
        }
    }
    _mouseDown = true;
    _pv.disableTextSelect(true);
    ev.preventDefault();
}

From source file:edu.caltech.ipac.firefly.visualize.PVMouse.java

public void onTouchMove(TouchMoveEvent ev) {
    //        if (ev.getTouches().length()>1) return;
    Touch t = ev.getTargetTouches().get(0);
    if (DEBUG) {/*from w w  w .j  av a2s. co  m*/
        GwtUtil.showDebugMsg("move, touches:" + ev.getTargetTouches().length() + " -  c: " + t.getClientX()
                + "," + t.getClientY() + " -  p: " + t.getPageX() + "," + t.getPageY() + " -  s: "
                + t.getScreenX() + "," + t.getScreenY() + " -  r: "
                + t.getRelativeX(_mouseMoveArea.getElement()) + ","
                + t.getRelativeY(_mouseMoveArea.getElement()) + " - pos: " + _mouseMoveArea.getAbsoluteLeft()
                + "," + _mouseMoveArea.getAbsoluteTop() + "," + " - scroll: "
                + _mouseMoveArea.getElement().getScrollLeft() + "," + _mouseMoveArea.getElement().getScrollTop()
                + "," + " - absScroll: " + _mouseMoveArea.getElement().getOwnerDocument().getScrollLeft() + ","
                + _mouseMoveArea.getElement().getOwnerDocument().getScrollTop());
    }
    ScreenPt spt = makeScreenPt(ev);
    boolean enabledOthers = true;
    if (_exclusiveMouse.size() > 0) {
        //              MouseInfo mi= _exclusiveMouse.peek();
        WebPlotView.MouseInfo mi;

        int len = _exclusiveMouse.size();
        boolean enabledExclusive = true;
        for (int i = 1; ((len - i) >= 0 && enabledExclusive); i++) {
            mi = _exclusiveMouse.get(len - i);
            if (mi.isEnabled())
                mi.getHandler().onTouchMove(_pv, spt, ev);
            enabledExclusive = mi.getEnableAllExclusive();
            enabledOthers = mi.getEnableAllPersistent();
        }

    }
    if (enabledOthers) {
        for (WebPlotView.MouseInfo info : _persistentMouse) {
            if (info.isEnabled())
                info.getHandler().onTouchMove(_pv, spt, ev);
        }
    }
    ev.preventDefault();
}