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

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