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

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

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Introduction

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

Prototype

public final int getRelativeY(Element target)

Source Link

Document

Gets the touch y-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  av a  2s .c om*/
    });

    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)));
        }/* w  ww .j  a v a  2s.  c o 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 getRelativeY(Touch touch, CanvasElement target) {
    float yScaleRatio = target.getHeight() * 1f / target.getClientHeight(); // Correct for canvas CSS scaling
    return Math.round(yScaleRatio * touch.getRelativeY(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 ww .  j  a  v a2s.  com*/
    } 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  a2s . co m*/
            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.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;
        }/* ww w.  ja va  2  s.c  o  m*/
        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) {//from w ww .  j  a  v  a2  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   ww  w .  j a v  a  2  s . 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();
}

From source file:forplay.html.HtmlPointer.java

License:Apache License

HtmlPointer(final Element rootElement) {
    // capture mouse down on the root element, only.
    captureEvent(rootElement, "mousedown", new EventHandler() {
        @Override/*  ww  w.  j  a  v  a  2  s.  c  o m*/
        public void handleEvent(NativeEvent evt) {
            if (listener != null) {
                // Prevent the default so that the target element doesn't highlight.
                evt.preventDefault();

                inDragSequence = true;

                listener.onPointerStart(getRelativeX(evt, rootElement), getRelativeY(evt, rootElement));
            }
        }
    });

    // capture mouse up anywhere on the page as long as we are in a drag sequence
    capturePageEvent("mouseup", new EventHandler() {
        @Override
        public void handleEvent(NativeEvent evt) {
            if (listener != null && inDragSequence) {
                // Prevent the default so that the target element doesn't highlight.
                evt.preventDefault();

                inDragSequence = false;

                listener.onPointerEnd(getRelativeX(evt, rootElement), getRelativeY(evt, rootElement));
            }
        }
    });

    // capture mouse move anywhere on the page that fires only if we are in a drag sequence
    capturePageEvent("mousemove", new EventHandler() {
        @Override
        public void handleEvent(NativeEvent evt) {
            if (listener != null && inDragSequence) {
                evt.preventDefault();
                listener.onPointerDrag(getRelativeX(evt, rootElement), getRelativeY(evt, rootElement));
            }
        }
    });

    // capture touch start on the root element, only.
    captureEvent(rootElement, "touchstart", new EventHandler() {
        @Override
        public void handleEvent(NativeEvent evt) {
            if (listener != null) {
                // Prevent the default so that the target element doesn't highlight.
                evt.preventDefault();

                if (evt.getTouches().length() > 0) {
                    inDragSequence = true;
                    com.google.gwt.dom.client.Touch touch = evt.getTouches().get(0);
                    float x = touch.getRelativeX(rootElement);
                    float y = touch.getRelativeY(rootElement);
                    listener.onPointerStart(x, y);
                }
            }
        }
    });

    // capture touch end anywhere on the page as long as we are in a drag sequence
    capturePageEvent("touchend", new EventHandler() {
        @Override
        public void handleEvent(NativeEvent evt) {
            if (listener != null && inDragSequence) {
                // Prevent the default so that the target element doesn't highlight.
                evt.preventDefault();

                if (evt.getTouches().length() > 0) {
                    inDragSequence = false;
                    com.google.gwt.dom.client.Touch touch = evt.getTouches().get(0);
                    float x = touch.getRelativeX(rootElement);
                    float y = touch.getRelativeY(rootElement);
                    listener.onPointerEnd(x, y);
                }
            }
        }
    });

    // capture touch move anywhere on the page as long as we are in a drag sequence
    capturePageEvent("touchmove", new EventHandler() {
        @Override
        public void handleEvent(NativeEvent evt) {
            if (listener != null && inDragSequence) {
                // Prevent the default so that the target element doesn't highlight.
                evt.preventDefault();

                if (evt.getTouches().length() > 0) {
                    com.google.gwt.dom.client.Touch touch = evt.getTouches().get(0);
                    float x = touch.getRelativeX(rootElement);
                    float y = touch.getRelativeY(rootElement);
                    listener.onPointerDrag(x, y);
                }
            }
        }
    });
}

From source file:nl.mpi.tg.eg.experiment.client.view.ColourPickerCanvasView.java

License:Open Source License

private void setColour(TouchEvent event, Canvas targetCanvas, VerticalPanel targetPanel) {
    if (event.getTouches().length() > 0) {
        final JsArray<Touch> touches = event.getTargetTouches();
        if (touches.length() > 0) {
            Touch touch = touches.get(0);
            setColour(touch.getRelativeX(targetCanvas.getElement()),
                    touch.getRelativeY(targetCanvas.getElement()), targetCanvas, targetPanel);
        }/*from w  ww .  j  a v a  2  s.com*/
    }
}