X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Fparticipant%2FMultitouchPanZoomRotateInteractor.java;h=95cd9c029c1df6a409a247154c7db07747068b01;hb=edf631460bc0b1fdedf45b4d2b1c010a5b855592;hp=56532f27d2cfcfc3b585661d028627982dea226e;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/participant/MultitouchPanZoomRotateInteractor.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/participant/MultitouchPanZoomRotateInteractor.java index 56532f27d..95cd9c029 100644 --- a/bundles/org.simantics.g2d/src/org/simantics/g2d/participant/MultitouchPanZoomRotateInteractor.java +++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/participant/MultitouchPanZoomRotateInteractor.java @@ -1,152 +1,152 @@ -/******************************************************************************* - * Copyright (c) 2007, 2010 Association for Decentralized Information Management - * in Industry THTH ry. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * VTT Technical Research Centre of Finland - initial API and implementation - *******************************************************************************/ -package org.simantics.g2d.participant; - -import java.awt.geom.AffineTransform; -import java.awt.geom.Point2D; - -import org.simantics.g2d.canvas.Hints; -import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant; -import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency; -import org.simantics.g2d.participant.CanvasGrab.PointerInfo; -import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler; -import org.simantics.scenegraph.g2d.events.MouseEvent.MouseButtonPressedEvent; -import org.simantics.scenegraph.g2d.events.MouseEvent.MouseButtonReleasedEvent; -import org.simantics.scenegraph.g2d.events.MouseEvent.MouseExitEvent; -import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent; - -/** - * @author Toni Kalajainen - */ -public class MultitouchPanZoomRotateInteractor extends AbstractCanvasParticipant { - - @Dependency TransformUtil util; - @Dependency CanvasGrab grab; - - // Pointer grabbing button - public static final int BUTTON_ID = 1; - - @EventHandler(priority = Integer.MAX_VALUE - 2000) - public boolean handleEvent(MouseButtonPressedEvent e) { - // ignore normal mouse - if (getHint(Hints.KEY_TOOL) != Hints.PANTOOL) return false; - if (e.mouseId==0) return false; - if (e.button != BUTTON_ID) return false; - assertDependencies(); - //System.out.println(e.mouseId+" down"); - Point2D controlPos = e.controlPosition; - Point2D canvasPos = util.controlToCanvas(controlPos, null); - grab.grabCanvas(e.mouseId, canvasPos); - return false; - } - - @EventHandler(priority = Integer.MAX_VALUE - 2000) - public boolean handleEvent(MouseButtonReleasedEvent e) { - // ignore normal mouse - if (getHint(Hints.KEY_TOOL) != Hints.PANTOOL) return false; - if (e.mouseId==0) return false; - if (e.button != BUTTON_ID) return false; - assertDependencies(); - //System.out.println(e.mouseId+" up"); - grab.grabInfo.remove(e.mouseId); - - return false; - } - - @EventHandler(priority = Integer.MAX_VALUE - 2000) - public boolean handleEvent(MouseExitEvent e) { - // ignore normal mouse - if (getHint(Hints.KEY_TOOL) != Hints.PANTOOL) return false; - if (e.mouseId==0) return false; - assertDependencies(); - //System.out.println(e.mouseId+" exit"); - grab.grabInfo.remove(e.mouseId); - return false; - } - - @EventHandler(priority = Integer.MAX_VALUE - 2000) - public boolean handleEvent(MouseMovedEvent e) { - if (e.context instanceof MouseUtil) return false; - if (getHint(Hints.KEY_TOOL) != Hints.PANTOOL) return false; - assertDependencies(); - PointerInfo ai = grab.grabInfo.get(e.mouseId); - if (ai==null) return false; - if (grab.grabInfo.size() == 1) { - PointerInfo pi = grab.grabInfo.values().iterator().next(); - - Point2D pt = util.controlToCanvas(e.controlPosition, null); - - double a1_x = pi.anchorPos.getX(); - double a1_y = pi.anchorPos.getY(); - double b1_x = pt.getX(); - double b1_y = pt.getY(); - - AffineTransform gat = util.getTransform(); - gat.translate(b1_x-a1_x, b1_y-a1_y); - util.setTransform(gat); - - return true; // TODO Do panning; - } - if (grab.grabInfo.size()!=2) return false; - - double EPSILON = 3; - - PointerInfo[] pi = grab.grabInfo.values().toArray(new PointerInfo[2]); - - for (PointerInfo p : pi) - if (p.mouseId == e.mouseId) - p.currentPos = util.controlToCanvas(e.controlPosition, null); - - double a1_x = pi[0].anchorPos.getX(); - double a1_y = pi[0].anchorPos.getY(); - double b1_x = pi[0].currentPos.getX(); - double b1_y = pi[0].currentPos.getY(); - - double a2_x = pi[1].anchorPos.getX(); - double a2_y = pi[1].anchorPos.getY(); - double b2_x = pi[1].currentPos.getX(); - double b2_y = pi[1].currentPos.getY(); - - for (PointerInfo p : pi) - if (p.mouseId != e.mouseId) - p.currentPos = p.anchorPos; - - double da_x = a1_x - a2_x; - double da_y = a1_y - a2_y; - double da_lensq = da_x*da_x + da_y*da_y; - if(da_lensq < EPSILON) { - System.err.println("a1 ja a2 ovat liian lähellä toisiaan"); - return false; - } - - double db_x = b1_x - b2_x; - double db_y = b1_y - b2_y; - - double s_x = (db_x * da_x + db_y * da_y) / da_lensq; - double s_y = (-db_x * da_y + db_y * da_x) / da_lensq; - - double t_x = b1_x - s_x * a1_x + s_y * a1_y; - double t_y = b1_y - s_x * a1_y - s_y * a1_x; - - double mat[] = new double[] {s_x, s_y, -s_y, s_x, t_x, t_y}; - AffineTransform at = new AffineTransform(mat); - setDirty(); - - AffineTransform gat = util.getTransform(); - gat.concatenate(at); - util.setTransform(gat); - - return true; - } - - -} +/******************************************************************************* + * Copyright (c) 2007, 2010 Association for Decentralized Information Management + * in Industry THTH ry. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ +package org.simantics.g2d.participant; + +import java.awt.geom.AffineTransform; +import java.awt.geom.Point2D; + +import org.simantics.g2d.canvas.Hints; +import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant; +import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency; +import org.simantics.g2d.participant.CanvasGrab.PointerInfo; +import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler; +import org.simantics.scenegraph.g2d.events.MouseEvent.MouseButtonPressedEvent; +import org.simantics.scenegraph.g2d.events.MouseEvent.MouseButtonReleasedEvent; +import org.simantics.scenegraph.g2d.events.MouseEvent.MouseExitEvent; +import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent; + +/** + * @author Toni Kalajainen + */ +public class MultitouchPanZoomRotateInteractor extends AbstractCanvasParticipant { + + @Dependency TransformUtil util; + @Dependency CanvasGrab grab; + + // Pointer grabbing button + public static final int BUTTON_ID = 1; + + @EventHandler(priority = Integer.MAX_VALUE - 2000) + public boolean handleEvent(MouseButtonPressedEvent e) { + // ignore normal mouse + if (getHint(Hints.KEY_TOOL) != Hints.PANTOOL) return false; + if (e.mouseId==0) return false; + if (e.button != BUTTON_ID) return false; + assertDependencies(); + //System.out.println(e.mouseId+" down"); + Point2D controlPos = e.controlPosition; + Point2D canvasPos = util.controlToCanvas(controlPos, null); + grab.grabCanvas(e.mouseId, canvasPos); + return false; + } + + @EventHandler(priority = Integer.MAX_VALUE - 2000) + public boolean handleEvent(MouseButtonReleasedEvent e) { + // ignore normal mouse + if (getHint(Hints.KEY_TOOL) != Hints.PANTOOL) return false; + if (e.mouseId==0) return false; + if (e.button != BUTTON_ID) return false; + assertDependencies(); + //System.out.println(e.mouseId+" up"); + grab.grabInfo.remove(e.mouseId); + + return false; + } + + @EventHandler(priority = Integer.MAX_VALUE - 2000) + public boolean handleEvent(MouseExitEvent e) { + // ignore normal mouse + if (getHint(Hints.KEY_TOOL) != Hints.PANTOOL) return false; + if (e.mouseId==0) return false; + assertDependencies(); + //System.out.println(e.mouseId+" exit"); + grab.grabInfo.remove(e.mouseId); + return false; + } + + @EventHandler(priority = Integer.MAX_VALUE - 2000) + public boolean handleEvent(MouseMovedEvent e) { + if (e.context instanceof MouseUtil) return false; + if (getHint(Hints.KEY_TOOL) != Hints.PANTOOL) return false; + assertDependencies(); + PointerInfo ai = grab.grabInfo.get(e.mouseId); + if (ai==null) return false; + if (grab.grabInfo.size() == 1) { + PointerInfo pi = grab.grabInfo.values().iterator().next(); + + Point2D pt = util.controlToCanvas(e.controlPosition, null); + + double a1_x = pi.anchorPos.getX(); + double a1_y = pi.anchorPos.getY(); + double b1_x = pt.getX(); + double b1_y = pt.getY(); + + AffineTransform gat = util.getTransform(); + gat.translate(b1_x-a1_x, b1_y-a1_y); + util.setTransform(gat); + + return true; // TODO Do panning; + } + if (grab.grabInfo.size()!=2) return false; + + double EPSILON = 3; + + PointerInfo[] pi = grab.grabInfo.values().toArray(new PointerInfo[2]); + + for (PointerInfo p : pi) + if (p.mouseId == e.mouseId) + p.currentPos = util.controlToCanvas(e.controlPosition, null); + + double a1_x = pi[0].anchorPos.getX(); + double a1_y = pi[0].anchorPos.getY(); + double b1_x = pi[0].currentPos.getX(); + double b1_y = pi[0].currentPos.getY(); + + double a2_x = pi[1].anchorPos.getX(); + double a2_y = pi[1].anchorPos.getY(); + double b2_x = pi[1].currentPos.getX(); + double b2_y = pi[1].currentPos.getY(); + + for (PointerInfo p : pi) + if (p.mouseId != e.mouseId) + p.currentPos = p.anchorPos; + + double da_x = a1_x - a2_x; + double da_y = a1_y - a2_y; + double da_lensq = da_x*da_x + da_y*da_y; + if(da_lensq < EPSILON) { + System.err.println("a1 ja a2 ovat liian lähellä toisiaan"); + return false; + } + + double db_x = b1_x - b2_x; + double db_y = b1_y - b2_y; + + double s_x = (db_x * da_x + db_y * da_y) / da_lensq; + double s_y = (-db_x * da_y + db_y * da_x) / da_lensq; + + double t_x = b1_x - s_x * a1_x + s_y * a1_y; + double t_y = b1_y - s_x * a1_y - s_y * a1_x; + + double mat[] = new double[] {s_x, s_y, -s_y, s_x, t_x, t_y}; + AffineTransform at = new AffineTransform(mat); + setDirty(); + + AffineTransform gat = util.getTransform(); + gat.concatenate(at); + util.setTransform(gat); + + return true; + } + + +}