word popup

actions.xml

@@ -49,7 +49,7 @@
 	</ACTION>
 	<ACTION NAME="factor-see">
 		<CODE>
-			FactorPlugin.factorWordOutputOp(view,"see");
+			WordPopup.showWordPopup(textArea);
 		</CODE>
 	</ACTION>
 	<ACTION NAME="factor-edit">

factor/jedit/FactorPlugin.java

@@ -299,6 +299,26 @@ public class FactorPlugin extends EditPlugin
 		}
 	} //}}}
 	
+	//{{{ getWordStartIndex() method
+	public static int getWordStartOffset(String line, int caret)
+	{
+		ReadTable readtable = ReadTable.DEFAULT_READTABLE;
+
+		int start = caret;
+		while(start > 0)
+		{
+			if(readtable.getCharacterType(line.charAt(start - 1))
+				== ReadTable.WHITESPACE)
+			{
+				break;
+			}
+			else
+				start--;
+		}
+		
+		return start;
+	} //}}}
+
 	//{{{ getWordAtCaret() method
 	public static String getWordAtCaret(JEditTextArea textArea)
 	{
@@ -323,17 +343,7 @@ public class FactorPlugin extends EditPlugin
 			return null;
 		}
 
-		int start = caret;
+		int start = getWordStartOffset(line,caret);
-		while(start > 0)
-		{
-			if(readtable.getCharacterType(line.charAt(start - 1))
-				== ReadTable.WHITESPACE)
-			{
-				break;
-			}
-			else
-				start--;
-		}
 
 		int end = caret;
 		do

factor/jedit/WordPopup.java

@@ -0,0 +1,114 @@
+/* :folding=explicit:collapseFolds=1: */
+
+/*
+ * $Id$
+ *
+ * Copyright (C) 2004 Slava Pestov.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package factor.jedit;
+
+import factor.*;
+import java.awt.event.*;
+import java.awt.*;
+import java.io.IOException;
+import javax.swing.*;
+import org.gjt.sp.jedit.textarea.JEditTextArea;
+import org.gjt.sp.jedit.*;
+import org.gjt.sp.util.Log;
+
+public class WordPopup extends JWindow
+{
+	private View view;
+	private JTextArea preview;
+	
+	//{{{ showWordPopup() method
+	public static void showWordPopup(JEditTextArea textArea)
+	{
+		View view = GUIUtilities.getView(textArea);
+		String def;
+
+		try
+		{
+			def = FactorPlugin.evalInWire(
+				FactorPlugin.factorWord(view)
+				+ " see").trim();
+		}
+		catch(IOException io)
+		{
+			def = io.toString();
+			Log.log(Log.ERROR,WordPopup.class,io);
+		}
+
+		WordPopup popup = new WordPopup(view,def);
+
+		int line = textArea.getCaretLine();
+		String lineText = textArea.getLineText(line);
+		int caret = textArea.getCaretPosition()
+			- textArea.getLineStartOffset(line);
+		int start = FactorPlugin.getWordStartOffset(lineText,caret);
+		Point loc = textArea.offsetToXY(line,start);
+		loc.y += textArea.getPainter().getFontMetrics().getHeight();
+		SwingUtilities.convertPointToScreen(loc,textArea.getPainter());
+		popup.setLocation(loc);
+		popup.show();
+	} //}}}
+
+	//{{{ WordPopup constructor
+	public WordPopup(View view, String text)
+	{
+		super(view);
+		this.view = view;
+		preview = new JTextArea(text);
+		preview.setEditable(false);
+		getContentPane().add(BorderLayout.CENTER,new JScrollPane(preview));
+		pack();
+
+		KeyHandler keyHandler = new KeyHandler();
+		addKeyListener(keyHandler);
+		preview.addKeyListener(keyHandler);
+		view.setKeyEventInterceptor(keyHandler);
+
+		GUIUtilities.requestFocus(this,preview);
+	} //}}}
+
+	//{{{ KeyHandler class
+	class KeyHandler extends KeyAdapter
+	{
+		//{{{ keyPressed() method
+		public void keyPressed(KeyEvent evt)
+		{
+			switch(evt.getKeyCode())
+			{
+			case KeyEvent.VK_TAB:
+			case KeyEvent.VK_ENTER:
+			case KeyEvent.VK_ESCAPE:
+				dispose();
+				view.setKeyEventInterceptor(null);
+				evt.consume();
+				break;
+			}
+		} //}}}
+	} //}}}
+}