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Change scrolling policy w/in Savant. Now highlighted text stays in the middle of the window instead of at the bottom.

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This commit is contained in:
eg3p 2002-11-02 20:10:05 +00:00
parent e8dacead31
commit 59d65bedc3
2 changed files with 18 additions and 5 deletions
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18
source/org/thdl/savant/TextHighlightPlayer.java
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@ -23,6 +23,7 @@ import java.util.*;
import javax.swing.*;
import javax.swing.text.*;
import java.awt.event.MouseListener;
import java.awt.event.ComponentAdapter;
import org.thdl.util.ThdlDebug;
@ -32,6 +33,7 @@ public class TextHighlightPlayer extends JPanel implements AnnotationPlayer
protected Hashtable hashStart, hashEnd, highlights;
protected Highlighter highlighter;
protected Highlighter.HighlightPainter highlightPainter;
protected JViewport viewport;
public TextHighlightPlayer(TranscriptView view, Color highlightcolor)
{
@ -100,12 +102,22 @@ public class TextHighlightPlayer extends JPanel implements AnnotationPlayer
int end = endInt.intValue();
Object tag = highlighter.addHighlight(start, end, highlightPainter);
highlights.put(id, tag);
try
{
// scrolls highlighted text to middle of viewport
JViewport viewport = (JViewport)SwingUtilities.getAncestorOfClass(JViewport.class, text);
int halfViewHeight = viewport.getExtentSize().height / 2;
Rectangle textRectangle = text.modelToView(end);
int yFactor = textRectangle.y - halfViewHeight;
if (yFactor > 0) {
viewport.setViewPosition(new Point(0, yFactor));
text.repaint();
}
/* this does scrolling at the bottom of the text window
Rectangle rect = text.modelToView(end);
text.scrollRectToVisible(rect);
text.repaint();
} catch (BadLocationException ble) {}
*/
}
catch (BadLocationException ble)
{

5
source/org/thdl/savant/TwoWayTextPlayer.java
View file

@ -30,17 +30,18 @@ import java.util.Enumeration;
import java.util.NoSuchElementException;
import javax.swing.text.JTextComponent;
import org.thdl.media.SmartMoviePanel;
import org.thdl.util.ThdlDebug;
public class TwoWayTextPlayer extends TextHighlightPlayer
{
protected TreeMap orderedOffsets = null;
protected SoundPanel sound = null;
protected SmartMoviePanel sound = null;
protected long doubleClickDelay = 300L;
protected long lastClickTime;
protected Point lastClickPoint = null;
public TwoWayTextPlayer(SoundPanel sp, TranscriptView view, Color highlightColor)
public TwoWayTextPlayer(SmartMoviePanel sp, TranscriptView view, Color highlightColor)
{
super(view, highlightColor);
sound = sp;