bundles/org.simantics.g2d/src/org/simantics/g2d/participant/HandPainter.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.g2d.participant;
  13
  14 import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;
  15 import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;
  16 import org.simantics.scenegraph.g2d.events.MouseEvent;
  17 import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;
  18 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseButtonEvent;
  19 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent;
  20
  21 /**
  22  * Paints a grabbed hand when canvas is grabbed.
  23  *
  24  * TODO: out of order for now, needs to be adapted to scene graph
  25  *
  26  * @author Toni Kalajainen
  27  */
  28 public class HandPainter extends AbstractCanvasParticipant {
  29
  30     @Dependency CanvasGrab grab;
  31     @Dependency SymbolUtil symbols;
  32     @Dependency TransformUtil util;
  33     @Dependency MouseUtil mice;
  34
  35 //    @Painter(priority=PointerPainter.CURSOR_PAINT_PRIORITY+10)
  36 //    public void paint(GraphicsContext gc) {
  37 //        assertDependencies();
  38 //        Map<Integer, PointerInfo> pis = grab.getGrabInfo();
  39 //        Collection<MouseInfo> mis = mice.getMiceInfo().values();
  40 //        if (mis.isEmpty()) return;
  41 //
  42 //        // Symbol
  43 //        Image grab = symbols.get(DefaultImages.GRAB32, gc.getGraphics2D().getDeviceConfiguration());
  44 //        double gcx = grab.getBounds().getCenterX();
  45 //        double gcy = grab.getBounds().getCenterY();
  46 //        Image hand = symbols.get(DefaultImages.HAND32, gc.getGraphics2D().getDeviceConfiguration());
  47 //        double hcx = hand.getBounds().getCenterX();
  48 //        double hcy = hand.getBounds().getCenterY();
  49 //
  50 //        for (MouseInfo mi : mis) {
  51 //            GraphicsContext g = gc.clone();
  52 //            PointerInfo pi = pis.get(mi.mouseId);
  53 //            if (pi!=null) {
  54 //                Point2D pos = util.canvasToControl(pi.anchorPos, null);
  55 //                g.getGraphics2D().translate(pos.getX(), pos.getY());
  56 //                g.getGraphics2D().translate(-gcx, -gcy);
  57 //                grab.paint(g);
  58 //            } else {
  59 //                Point2D pos = mi.controlPosition;
  60 //                g.getGraphics2D().translate(pos.getX(), pos.getY());
  61 //                g.getGraphics2D().translate(-gcx, -gcy);
  62 //                hand.paint(g);
  63 //            }
  64 //            g.dispose();
  65 //        }
  66 //    }
  67
  68     @EventHandler(priority = Integer.MAX_VALUE)
  69     public boolean handleMouseEvent(MouseEvent e) {
  70         if (e instanceof MouseMovedEvent || e instanceof MouseButtonEvent)
  71             setDirty();
  72         return false;
  73     }
  74 }