X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Fcanvas%2Fimpl%2FMouseCursorContext.java;fp=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Fcanvas%2Fimpl%2FMouseCursorContext.java;h=5e71c75b1d4b04752436cdd4e465e8ff8092adaa;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hp=a0f354152402c78cd7e4e10d23605e444819f346;hpb=24e2b34260f219f0d1644ca7a138894980e25b14;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/impl/MouseCursorContext.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/impl/MouseCursorContext.java
index a0f354152..5e71c75b1 100644
--- a/bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/impl/MouseCursorContext.java
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/impl/MouseCursorContext.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.canvas.impl;
-
-import java.awt.Cursor;
-import java.lang.reflect.Method;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Stack;
-
-import org.simantics.g2d.canvas.IMouseCursorContext;
-import org.simantics.g2d.canvas.IMouseCursorHandle;
-import org.simantics.g2d.canvas.IMouseCursorHandleListener;
-import org.simantics.g2d.canvas.IMouseCursorListener;
-import org.simantics.utils.datastructures.ListenerList;
-import org.simantics.utils.threads.IThreadWorkQueue;
-import org.simantics.utils.threads.SyncListenerList;
-
-/**
- * @author Toni Kalajainen
- */
-public class MouseCursorContext implements IMouseCursorContext {
-
-    protected Map<Integer, Stack<CursorReserve>> mouseCursorStack =
-        new HashMap<Integer, Stack<CursorReserve>>();
-
-    protected SyncListenerList<IMouseCursorListener> cursorListeners =
-        new SyncListenerList<IMouseCursorListener>(IMouseCursorListener.class);
-    
-
-    public void addCursorListener(IMouseCursorListener listener) {
-        cursorListeners.add(listener);
-    }
-    public void addCursorListener(IMouseCursorListener listener, IThreadWorkQueue thread) {
-        cursorListeners.add(thread, listener);
-    }    
-    public void removeCursorListener(IMouseCursorListener listener) {
-        cursorListeners.remove(listener);
-    }
-    public void removeCursorListener(IMouseCursorListener listener, IThreadWorkQueue thread) {
-        cursorListeners.remove(thread, listener);
-    }
-    
-    private final static Method onCursorSet = SyncListenerList.getMethod(IMouseCursorListener.class, "onCursorSet");
-    protected void fireSetCursor(int mouseId, Cursor cursor) {
-        cursorListeners.fireEventSync(onCursorSet, this, mouseId, cursor);
-    }
-    protected void fireAsyncSetCursor(int mouseId, Cursor cursor) {
-        cursorListeners.fireEventAsync(onCursorSet, this, mouseId, cursor);
-    }
-        
-    
-    class CursorReserve implements IMouseCursorHandle
-    {
-        Cursor cursor;
-        int mouseId;
-        ListenerList<IMouseCursorHandleListener> listeners;        
-        public CursorReserve(Cursor cursor, int mouseId)
-        {
-            this.cursor = cursor;
-            this.mouseId = mouseId;
-        }
-        @Override        
-        public void remove() {
-            synchronized(MouseCursorContext.this)
-            {
-                Stack<CursorReserve> cursorStack = mouseCursorStack.get(mouseId);
-                if (cursorStack == null || !cursorStack.contains(this))
-                    return;
-                
-                boolean wasLast = cursorStack.lastElement()==this;
-                cursorStack.remove(this);
-                if (cursorStack.isEmpty()) {
-                    _setCursor(mouseId, null);
-                    return;
-                }
-                // Select the second last cursor
-                if (wasLast) {
-                    CursorReserve newLast = cursorStack.peek();
-                    if (newLast==null) {
-                        _setCursor(mouseId, null);
-                    } else {
-                        Cursor newCursor = newLast.cursor;
-                        if (!cursor.equals(newCursor))
-                            _setCursor(mouseId, newCursor);                        
-                    }
-                }
-            }
-        }
-        @Override
-        public Cursor getCursor() {
-            return cursor;
-        }
-        @Override
-        public int getMouseId() {
-            return mouseId;
-        }
-        void fireOnRemoved() {
-            ListenerList<IMouseCursorHandleListener> lis;
-            synchronized(this) {
-                lis = listeners;
-                if (lis==null) return;
-            }
-            
-            for (IMouseCursorHandleListener l : lis.getListeners())
-                l.onMouseCursorRemoved(this);
-        }
-        
-        @Override
-        public synchronized void addMouseCursorHandleListener(IMouseCursorHandleListener listener) {
-            if (listeners == null) {
-                listeners = new ListenerList<IMouseCursorHandleListener>(IMouseCursorHandleListener.class);
-            }
-            listeners.add(listener);
-        }
-        @Override
-        public synchronized void removeMouseCursorHandleListener(IMouseCursorHandleListener listener) {
-            if (listeners == null) return;
-            listeners.remove(listener);
-        }      
-    }
-    
-    @Override
-    public synchronized IMouseCursorHandle setCursor(int mouseId, Cursor cursor) {
-        assert(cursor!=null);
-        Stack<CursorReserve> cursorStack = mouseCursorStack.get(mouseId);
-        if (cursorStack == null) {
-            cursorStack = new Stack<CursorReserve>();
-            mouseCursorStack.put(mouseId, cursorStack);
-        }
-        CursorReserve cr = new CursorReserve(cursor, mouseId);
-        cursorStack.push(cr);
-        _setCursor(mouseId, cursor);
-        return cr;
-    }
-    
-    protected void _setCursor(int mouseId, Cursor cursor)
-    {
-        fireAsyncSetCursor(mouseId, cursor);    
-    }
-    
-    
-}
+/*******************************************************************************
+ * 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.canvas.impl;
+
+import java.awt.Cursor;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Stack;
+
+import org.simantics.g2d.canvas.IMouseCursorContext;
+import org.simantics.g2d.canvas.IMouseCursorHandle;
+import org.simantics.g2d.canvas.IMouseCursorHandleListener;
+import org.simantics.g2d.canvas.IMouseCursorListener;
+import org.simantics.utils.datastructures.ListenerList;
+import org.simantics.utils.threads.IThreadWorkQueue;
+import org.simantics.utils.threads.SyncListenerList;
+
+/**
+ * @author Toni Kalajainen
+ */
+public class MouseCursorContext implements IMouseCursorContext {
+
+    protected Map<Integer, Stack<CursorReserve>> mouseCursorStack =
+        new HashMap<Integer, Stack<CursorReserve>>();
+
+    protected SyncListenerList<IMouseCursorListener> cursorListeners =
+        new SyncListenerList<IMouseCursorListener>(IMouseCursorListener.class);
+    
+
+    public void addCursorListener(IMouseCursorListener listener) {
+        cursorListeners.add(listener);
+    }
+    public void addCursorListener(IMouseCursorListener listener, IThreadWorkQueue thread) {
+        cursorListeners.add(thread, listener);
+    }    
+    public void removeCursorListener(IMouseCursorListener listener) {
+        cursorListeners.remove(listener);
+    }
+    public void removeCursorListener(IMouseCursorListener listener, IThreadWorkQueue thread) {
+        cursorListeners.remove(thread, listener);
+    }
+    
+    private final static Method onCursorSet = SyncListenerList.getMethod(IMouseCursorListener.class, "onCursorSet");
+    protected void fireSetCursor(int mouseId, Cursor cursor) {
+        cursorListeners.fireEventSync(onCursorSet, this, mouseId, cursor);
+    }
+    protected void fireAsyncSetCursor(int mouseId, Cursor cursor) {
+        cursorListeners.fireEventAsync(onCursorSet, this, mouseId, cursor);
+    }
+        
+    
+    class CursorReserve implements IMouseCursorHandle
+    {
+        Cursor cursor;
+        int mouseId;
+        ListenerList<IMouseCursorHandleListener> listeners;        
+        public CursorReserve(Cursor cursor, int mouseId)
+        {
+            this.cursor = cursor;
+            this.mouseId = mouseId;
+        }
+        @Override        
+        public void remove() {
+            synchronized(MouseCursorContext.this)
+            {
+                Stack<CursorReserve> cursorStack = mouseCursorStack.get(mouseId);
+                if (cursorStack == null || !cursorStack.contains(this))
+                    return;
+                
+                boolean wasLast = cursorStack.lastElement()==this;
+                cursorStack.remove(this);
+                if (cursorStack.isEmpty()) {
+                    _setCursor(mouseId, null);
+                    return;
+                }
+                // Select the second last cursor
+                if (wasLast) {
+                    CursorReserve newLast = cursorStack.peek();
+                    if (newLast==null) {
+                        _setCursor(mouseId, null);
+                    } else {
+                        Cursor newCursor = newLast.cursor;
+                        if (!cursor.equals(newCursor))
+                            _setCursor(mouseId, newCursor);                        
+                    }
+                }
+            }
+        }
+        @Override
+        public Cursor getCursor() {
+            return cursor;
+        }
+        @Override
+        public int getMouseId() {
+            return mouseId;
+        }
+        void fireOnRemoved() {
+            ListenerList<IMouseCursorHandleListener> lis;
+            synchronized(this) {
+                lis = listeners;
+                if (lis==null) return;
+            }
+            
+            for (IMouseCursorHandleListener l : lis.getListeners())
+                l.onMouseCursorRemoved(this);
+        }
+        
+        @Override
+        public synchronized void addMouseCursorHandleListener(IMouseCursorHandleListener listener) {
+            if (listeners == null) {
+                listeners = new ListenerList<IMouseCursorHandleListener>(IMouseCursorHandleListener.class);
+            }
+            listeners.add(listener);
+        }
+        @Override
+        public synchronized void removeMouseCursorHandleListener(IMouseCursorHandleListener listener) {
+            if (listeners == null) return;
+            listeners.remove(listener);
+        }      
+    }
+    
+    @Override
+    public synchronized IMouseCursorHandle setCursor(int mouseId, Cursor cursor) {
+        assert(cursor!=null);
+        Stack<CursorReserve> cursorStack = mouseCursorStack.get(mouseId);
+        if (cursorStack == null) {
+            cursorStack = new Stack<CursorReserve>();
+            mouseCursorStack.put(mouseId, cursorStack);
+        }
+        CursorReserve cr = new CursorReserve(cursor, mouseId);
+        cursorStack.push(cr);
+        _setCursor(mouseId, cursor);
+        return cr;
+    }
+    
+    protected void _setCursor(int mouseId, Cursor cursor)
+    {
+        fireAsyncSetCursor(mouseId, cursor);    
+    }
+    
+    
+}