Example usage for java.awt.event MouseWheelEvent getPoint

Introduction

In this page you can find the example usage for java.awt.event MouseWheelEvent getPoint.

Prototype

public Point getPoint() 

Source Link

Document

Returns the x,y position of the event relative to the source component.

Usage

From source file:edu.purdue.cc.bionet.ui.HeatMap.java

/**
 * The mouseWheelMoved method of the MouseWheelListener interface.
 * /*  w  ww .j ava 2s  .  co m*/
 * @param e The event which triggered this action.
 */
public void mouseWheelMoved(MouseWheelEvent e) {
    this.scale((float) Math.pow(1.25, -e.getWheelRotation()), e.getPoint());
}

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From source file:edu.purdue.cc.bionet.ui.GraphVisualizer.java

/**
 * Performs the necessary actions to set up the Graph.
 *//*w  ww. j  av a  2s  .com*/
protected void setup() {
    this.graph = (UndirectedSparseGraph<V, E>) this.getGraphLayout().getGraph();
    this.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<V>());
    //      this.getRenderContext( ).setEdgeLabelTransformer( new ToStringLabeller<E>( ));
    this.getRenderer().getVertexLabelRenderer().setPosition(Position.CNTR);
    PluggableGraphMouse mouse = new PluggableGraphMouse() {
        public void mouseWheelMoved(MouseWheelEvent e) {
            scale((float) Math.pow(1.25, -e.getWheelRotation()), e.getPoint());
        }
    };
    mouse.add(new PickingGraphMousePlugin());
    mouse.add(new PickingGraphMousePlugin(-1, InputEvent.BUTTON1_MASK | InputEvent.CTRL_MASK));
    this.setGraphMouse(mouse);
    this.getPickedVertexState().addItemListener(this);
    this.getPickedEdgeState().addItemListener(this);
    this.addMouseListener(this);
    this.addComponentListener(new LayoutScaler());

    // set up coloring
    Transformer v = new Transformer<V, Paint>() {
        public Paint transform(V v) {
            if (getPickedVertexState().isPicked(v)) {
                return pickedVertexPaint;
            } else {
                if (commonNeighborIndicator && isCommonNeighbor(v)) {
                    return commonNeighborPaint;
                } else {
                    return vertexPaint;
                }
            }
        }
    };
    Transformer vo = new Transformer<V, Paint>() {
        public Paint transform(V v) {
            if (getPickedVertexState().isPicked(v)) {
                return pickedVertexOutline;
            } else {
                if (commonNeighborIndicator && isCommonNeighbor(v)) {
                    return commonNeighborOutline;
                } else {
                    return vertexOutline;
                }
            }
        }
    };

    this.getRenderContext().setVertexFillPaintTransformer(v);
    this.getRenderContext().setVertexDrawPaintTransformer(vo);

    Transformer e = new Transformer<E, Paint>() {
        public Paint transform(E e) {
            if (getPickedEdgeState().isPicked(e)) {
                return pickedEdgePaint;
            } else {
                return edgePaint;
            }
        }
    };
    this.getRenderContext().setEdgeDrawPaintTransformer(e);
    this.setPickedLabelColor(this.pickedLabelColor);
    this.commonNeighbors = new NeighborCollection<V, E>(this);
}

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From source file:com.igormaznitsa.jhexed.swing.editor.ui.MainForm.java

@Override
public void mouseWheelMoved(final MouseWheelEvent e) {
    if ((e.getModifiers() & MouseEvent.CTRL_MASK) != 0) {
        final int rotation = e.getWheelRotation();

        final Point point = e.getPoint();
        final Rectangle rect = this.hexMapPanel.getVisibleRect();

        final HexPosition focusedNumber = this.hexMapPanel.getHexPosition(e.getPoint());

        if (rotation < 0) {
            menuViewZoomInActionPerformed(null);
        } else {//from w w  w  . ja v  a 2  s.  c o m
            menuViewZoomOutActionPerformed(null);
        }

        final float cellx = this.hexMapPanel.getHexEngine().calculateX(focusedNumber.getColumn(),
                focusedNumber.getRow());
        final float celly = this.hexMapPanel.getHexEngine().calculateY(focusedNumber.getColumn(),
                focusedNumber.getRow());

        final float cellw = this.hexMapPanel.getHexEngine().getCellWidth()
                * this.hexMapPanel.getHexEngine().getScaleX();
        final float cellh = this.hexMapPanel.getHexEngine().getCellHeight()
                * this.hexMapPanel.getHexEngine().getScaleY();

        final float dx = cellx + cellw / 2 - point.x;
        final float dy = celly + cellh / 2 - point.y;

        rect.setLocation(Math.round(rect.x + dx), Math.round(rect.y + dy));

        this.hexMapPanel.scrollRectToVisible(rect);
    }
}

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From source file:corelyzer.ui.CorelyzerGLCanvas.java

private void scrollSceneWithScrollWheel(final MouseWheelEvent e) {
    int scrollAmount = e.getScrollAmount();
    int wheelRotation = e.getWheelRotation();
    int ample = 3;

    Point currentPos = e.getPoint();
    int dY = ample * scrollAmount * wheelRotation;

    float sy;// w  w w  .j a  v  a2  s .  c  o m
    float h;

    canvasLock.lock();
    {
        h = SceneGraph.getCanvasHeight(canvasId);

        sy = h / canvas.getHeight();

        SceneGraph.panScene(0, dY * sy);

        this.convertMousePointToSceneSpace(currentPos, scenePos);
        SceneGraph.positionMouse(scenePos[0], scenePos[1]);
    }
    canvasLock.unlock();
    prePos = currentPos;
}

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From source file:corelyzer.ui.CorelyzerGLCanvas.java

private void zoomSceneWithScrollWheel(final MouseWheelEvent e) {
    // FIXME MouseWheelEvent info
    /*/*from w w  w  . j a  v  a  2s  . c  o m*/
     * System.out.println(e);
     * 
     * String mesg = "Component: " + e.getComponent(); mesg += ", id: " +
     * e.getID(); mesg += ", when: " + e.getWhen(); mesg += ", modifiers: "
     * + e.getModifiers(); mesg += ", x: " + e.getX(); mesg += ", y: " +
     * e.getY(); mesg += ", clickCount: " + e.getClickCount(); mesg +=
     * ", scrollType: " + e.getScrollType(); mesg += ", scrollAmount: " +
     * e.getScrollAmount(); mesg += ", wheelRot: " + e.getWheelRotation();
     * 
     * System.out.println(mesg);
     */
    // --

    int scrollAmount = e.getScrollAmount();
    int wheelRotation = e.getWheelRotation();
    Point mousePos = e.getPoint();

    /*
     * // int scrollType = e.getScrollType(); // int scrollUnit =
     * e.getUnitsToScroll();
     * 
     * System.out.println("---- ScrollAmount:   " + scrollAmount);
     * System.out.println("---- ScrollType:     " + scrollType);
     * System.out.println("---- ScrollUnit:     " + scrollUnit);
     * System.out.println("---- WheelRotation:  " + wheelRotation);
     * System.out.println("---- Mouse Location: " + mousePos);
     */
    // determine what point to zoom in or out on

    float cp[] = { 0.0f, 0.0f }; // canvas position x,y
    float sc[] = { 0.0f, 0.0f }; // scene center x,y
    float s; // scale factor
    // float w; // canvas width

    canvasLock.lock();
    {
        this.convertMousePointToSceneSpace(mousePos, cp);

        sc[0] = SceneGraph.getSceneCenterX();
        sc[1] = SceneGraph.getSceneCenterY();

        /*
         * System.out.println("Mouse Position Translated to " + cp[0] + ", "
         * + cp[1]);
         * 
         * System.out.println("Difference from center " + (cp[0] - sc[0]) +
         * ", " + (cp[1] - sc[1]));
         */

        // each amount is approximately 5%

        if (wheelRotation <= 0) {
            s = (float) Math.pow(.95, scrollAmount);
        } else {
            s = (float) Math.pow(1.05f, scrollAmount);
        }

        // System.out.println("Scale Factor " + s);

        SceneGraph.scaleScene(s);

        // mouse in same place in screen, used to determine pan amount
        float ncp[] = { 0.0f, 0.0f };

        this.convertMousePointToSceneSpace(mousePos, ncp);

        // System.out.println("New Pos of mouse point after scale " + ncp[0]
        // +
        // ", " + ncp[1]);

        ncp[0] = ncp[0] - cp[0];
        ncp[1] = ncp[1] - cp[1];

        // System.out.println("Difference of " + ncp[0] + ", " + ncp[1]);
        SceneGraph.panScene(-ncp[0], -ncp[1]);
    }
    canvasLock.unlock();
}

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