-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.scenegraph.example;\r
-\r
-import java.awt.Graphics;\r
-import java.awt.Graphics2D;\r
-import java.awt.Rectangle;\r
-import java.awt.event.FocusEvent;\r
-import java.awt.event.FocusListener;\r
-import java.awt.event.KeyEvent;\r
-import java.awt.event.KeyListener;\r
-import java.awt.event.MouseEvent;\r
-import java.awt.event.MouseListener;\r
-import java.awt.event.MouseMotionListener;\r
-import java.awt.event.MouseWheelEvent;\r
-import java.awt.event.MouseWheelListener;\r
-import java.awt.image.VolatileImage;\r
-\r
-import javax.swing.JComponent;\r
-\r
-import org.simantics.scenegraph.g2d.G2DFocusManager;\r
-import org.simantics.scenegraph.g2d.G2DSceneGraph;\r
-\r
-public class SGCanvas extends JComponent implements MouseListener, MouseMotionListener, MouseWheelListener, KeyListener, FocusListener {\r
- /**\r
- * \r
- */\r
- private static final long serialVersionUID = -7835590396125816119L;\r
- \r
- private G2DSceneGraph scenegraph = null;\r
- private VolatileImage buffer = null;\r
- \r
- public SGCanvas() {\r
- setFocusable(true); \r
- }\r
- \r
- public void initListeners() {\r
- addKeyListener(this);\r
- addMouseWheelListener(this);\r
- addMouseListener(this);\r
- addMouseMotionListener(this);\r
- addFocusListener(this);\r
- }\r
- \r
- @Override\r
- public void paintComponent(Graphics g) {\r
- if (scenegraph == null) return; \r
- Graphics2D g2d = (Graphics2D) g;\r
- Rectangle b = getBounds();\r
-\r
- int newWidth = b.width;\r
- int newHeight = b.height;\r
-\r
- if (buffer == null) {\r
- buffer = createVolatileImage(newWidth, newHeight);\r
- } else {\r
- int w = buffer.getWidth();\r
- int h = buffer.getHeight();\r
- if (w != newWidth || h != newHeight) {\r
- buffer = createVolatileImage(newWidth, newHeight);\r
- } else {\r
- int valid = buffer.validate(g2d.getDeviceConfiguration());\r
- if (valid == VolatileImage.IMAGE_INCOMPATIBLE) {\r
- buffer = createVolatileImage(newWidth, newHeight);\r
- }\r
- }\r
- }\r
-\r
- Graphics2D bg = (Graphics2D) buffer.getGraphics();\r
-\r
- bg.setClip((int)b.getMinX(), (int)b.getMinY(), (int)b.getWidth(), (int)b.getHeight());\r
- scenegraph.render(bg);\r
- g2d.drawImage(buffer, 0, 0, null);\r
- }\r
- \r
- public void setSceneGraph(G2DSceneGraph scenegraph) {\r
- this.scenegraph = scenegraph;\r
- scenegraph.setRootPane(this);\r
- }\r
- \r
- public G2DSceneGraph getSceneGraph() {\r
- return scenegraph;\r
- }\r
-\r
- @Override\r
- public void mouseWheelMoved(MouseWheelEvent event) {\r
- if(scenegraph != null) {\r
- scenegraph.getEventDelegator().mouseWheelMoved(event);\r
- repaint();\r
- }\r
- }\r
-\r
- @Override\r
- public void keyPressed(KeyEvent event) {\r
- if(scenegraph != null)\r
- scenegraph.getEventDelegator().keyPressed(event);\r
- }\r
-\r
- @Override\r
- public void keyReleased(KeyEvent event) {\r
- if(scenegraph != null)\r
- scenegraph.getEventDelegator().keyReleased(event);\r
- }\r
-\r
- @Override\r
- public void keyTyped(KeyEvent event) {\r
- if(scenegraph != null)\r
- scenegraph.getEventDelegator().keyTyped(event);\r
- }\r
-\r
- @Override\r
- public void focusGained(FocusEvent event) {\r
- if(scenegraph != null)\r
- scenegraph.getEventDelegator().focusGained(event);\r
- }\r
-\r
- @Override\r
- public void focusLost(FocusEvent event) {\r
- if(scenegraph != null)\r
- scenegraph.getEventDelegator().focusLost(event);\r
- }\r
-\r
- @Override\r
- public void mouseClicked(MouseEvent event) {\r
- if(scenegraph != null) {\r
- scenegraph.getEventDelegator().mouseClicked(event);\r
- repaint();\r
- }\r
- }\r
-\r
- @Override\r
- public void mouseEntered(MouseEvent event) {\r
- if(scenegraph != null)\r
- scenegraph.getEventDelegator().mouseEntered(event);\r
- }\r
-\r
- @Override\r
- public void mouseExited(MouseEvent event) {\r
- if(scenegraph != null)\r
- scenegraph.getEventDelegator().mouseExited(event);\r
- }\r
-\r
- @Override\r
- public void mousePressed(MouseEvent event) {\r
- if(scenegraph != null) {\r
- G2DFocusManager.INSTANCE.clearFocus();\r
- scenegraph.getEventDelegator().mousePressed(event);\r
- if(G2DFocusManager.INSTANCE.getFocusOwner() == null) {\r
- this.requestFocusInWindow();\r
- }\r
- repaint();\r
- }\r
- }\r
-\r
- @Override\r
- public void mouseReleased(MouseEvent event) {\r
- if(scenegraph != null)\r
- scenegraph.getEventDelegator().mouseReleased(event);\r
- }\r
-\r
- @Override\r
- public void mouseDragged(MouseEvent event) {\r
- if(scenegraph != null) {\r
- scenegraph.getEventDelegator().mouseDragged(event);\r
- repaint();\r
- }\r
- }\r
-\r
- @Override\r
- public void mouseMoved(MouseEvent event) {\r
- if(scenegraph != null)\r
- scenegraph.getEventDelegator().mouseMoved(event);\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * 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.scenegraph.example;
+
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Rectangle;
+import java.awt.event.FocusEvent;
+import java.awt.event.FocusListener;
+import java.awt.event.KeyEvent;
+import java.awt.event.KeyListener;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
+import java.awt.event.MouseWheelEvent;
+import java.awt.event.MouseWheelListener;
+import java.awt.image.VolatileImage;
+
+import javax.swing.JComponent;
+
+import org.simantics.scenegraph.g2d.G2DFocusManager;
+import org.simantics.scenegraph.g2d.G2DSceneGraph;
+
+public class SGCanvas extends JComponent implements MouseListener, MouseMotionListener, MouseWheelListener, KeyListener, FocusListener {
+ /**
+ *
+ */
+ private static final long serialVersionUID = -7835590396125816119L;
+
+ private G2DSceneGraph scenegraph = null;
+ private VolatileImage buffer = null;
+
+ public SGCanvas() {
+ setFocusable(true);
+ }
+
+ public void initListeners() {
+ addKeyListener(this);
+ addMouseWheelListener(this);
+ addMouseListener(this);
+ addMouseMotionListener(this);
+ addFocusListener(this);
+ }
+
+ @Override
+ public void paintComponent(Graphics g) {
+ if (scenegraph == null) return;
+ Graphics2D g2d = (Graphics2D) g;
+ Rectangle b = getBounds();
+
+ int newWidth = b.width;
+ int newHeight = b.height;
+
+ if (buffer == null) {
+ buffer = createVolatileImage(newWidth, newHeight);
+ } else {
+ int w = buffer.getWidth();
+ int h = buffer.getHeight();
+ if (w != newWidth || h != newHeight) {
+ buffer = createVolatileImage(newWidth, newHeight);
+ } else {
+ int valid = buffer.validate(g2d.getDeviceConfiguration());
+ if (valid == VolatileImage.IMAGE_INCOMPATIBLE) {
+ buffer = createVolatileImage(newWidth, newHeight);
+ }
+ }
+ }
+
+ Graphics2D bg = (Graphics2D) buffer.getGraphics();
+
+ bg.setClip((int)b.getMinX(), (int)b.getMinY(), (int)b.getWidth(), (int)b.getHeight());
+ scenegraph.render(bg);
+ g2d.drawImage(buffer, 0, 0, null);
+ }
+
+ public void setSceneGraph(G2DSceneGraph scenegraph) {
+ this.scenegraph = scenegraph;
+ scenegraph.setRootPane(this);
+ }
+
+ public G2DSceneGraph getSceneGraph() {
+ return scenegraph;
+ }
+
+ @Override
+ public void mouseWheelMoved(MouseWheelEvent event) {
+ if(scenegraph != null) {
+ scenegraph.getEventDelegator().mouseWheelMoved(event);
+ repaint();
+ }
+ }
+
+ @Override
+ public void keyPressed(KeyEvent event) {
+ if(scenegraph != null)
+ scenegraph.getEventDelegator().keyPressed(event);
+ }
+
+ @Override
+ public void keyReleased(KeyEvent event) {
+ if(scenegraph != null)
+ scenegraph.getEventDelegator().keyReleased(event);
+ }
+
+ @Override
+ public void keyTyped(KeyEvent event) {
+ if(scenegraph != null)
+ scenegraph.getEventDelegator().keyTyped(event);
+ }
+
+ @Override
+ public void focusGained(FocusEvent event) {
+ if(scenegraph != null)
+ scenegraph.getEventDelegator().focusGained(event);
+ }
+
+ @Override
+ public void focusLost(FocusEvent event) {
+ if(scenegraph != null)
+ scenegraph.getEventDelegator().focusLost(event);
+ }
+
+ @Override
+ public void mouseClicked(MouseEvent event) {
+ if(scenegraph != null) {
+ scenegraph.getEventDelegator().mouseClicked(event);
+ repaint();
+ }
+ }
+
+ @Override
+ public void mouseEntered(MouseEvent event) {
+ if(scenegraph != null)
+ scenegraph.getEventDelegator().mouseEntered(event);
+ }
+
+ @Override
+ public void mouseExited(MouseEvent event) {
+ if(scenegraph != null)
+ scenegraph.getEventDelegator().mouseExited(event);
+ }
+
+ @Override
+ public void mousePressed(MouseEvent event) {
+ if(scenegraph != null) {
+ G2DFocusManager.INSTANCE.clearFocus();
+ scenegraph.getEventDelegator().mousePressed(event);
+ if(G2DFocusManager.INSTANCE.getFocusOwner() == null) {
+ this.requestFocusInWindow();
+ }
+ repaint();
+ }
+ }
+
+ @Override
+ public void mouseReleased(MouseEvent event) {
+ if(scenegraph != null)
+ scenegraph.getEventDelegator().mouseReleased(event);
+ }
+
+ @Override
+ public void mouseDragged(MouseEvent event) {
+ if(scenegraph != null) {
+ scenegraph.getEventDelegator().mouseDragged(event);
+ repaint();
+ }
+ }
+
+ @Override
+ public void mouseMoved(MouseEvent event) {
+ if(scenegraph != null)
+ scenegraph.getEventDelegator().mouseMoved(event);
+ }
+
+}
Code Review / simantics / platform.git / blobdiff