FontMetrics fm = getFontMetrics(av.getFont());
+ LABEL_EAST = 0;
+ LABEL_WEST = 0;
+
if (av.getScaleRightWrapped())
{
LABEL_EAST = fm.stringWidth(getMask());
av.setWrappedWidth(cWidth);
- av.getRanges().setEndRes(av.getRanges().getStartRes() + cWidth - 1);
+ av.getRanges().setViewportStartAndWidth(startRes, cWidth);
int endx;
int ypos = hgap;
- int maxwidth = av.getAlignment().getWidth() - 1;
+ int maxwidth = av.getAlignment().getWidth();
if (av.hasHiddenColumns())
{
maxwidth = av.getAlignment().getHiddenColumns()
- .findColumnPosition(maxwidth) - 1;
+ .findColumnPosition(maxwidth);
}
while ((ypos <= canvasHeight) && (startRes < maxwidth))
@Override
public void propertyChange(PropertyChangeEvent evt)
{
+ String eventName = evt.getPropertyName();
+
if (!av.getWrapAlignment())
{
- if (evt.getPropertyName().equals("startres")
- || evt.getPropertyName().equals("endres"))
+ int scrollX = 0;
+ if (eventName.equals(ViewportRanges.STARTRES))
{
// Make sure we're not trying to draw a panel
// larger than the visible window
ViewportRanges vpRanges = av.getRanges();
- int scrollX = (int) evt.getNewValue() - (int) evt.getOldValue();
- if (scrollX > vpRanges.getEndRes() - vpRanges.getStartRes())
+ scrollX = (int) evt.getNewValue() - (int) evt.getOldValue();
+ int range = vpRanges.getEndRes() - vpRanges.getStartRes();
+ if (scrollX > range)
{
- scrollX = vpRanges.getEndRes() - vpRanges.getStartRes();
+ scrollX = range;
}
- else if (scrollX < vpRanges.getStartRes() - vpRanges.getEndRes())
+ else if (scrollX < -range)
{
- scrollX = vpRanges.getStartRes() - vpRanges.getEndRes();
+ scrollX = -range;
}
+ }
+
+ // Both scrolling and resizing change viewport ranges: scrolling changes
+ // both start and end points, but resize only changes end values.
+ // Here we only want to fastpaint on a scroll, with resize using a normal
+ // paint, so scroll events are identified as changes to the horizontal or
+ // vertical start value.
+ if (eventName.equals(ViewportRanges.STARTRES))
+ {
+ // scroll - startres and endres both change
fastPaint(scrollX, 0);
}
- else if (evt.getPropertyName().equals("startseq")
- || evt.getPropertyName().equals("endseq"))
+ else if (eventName.equals(ViewportRanges.STARTSEQ))
{
+ // scroll
fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue());
}
}
-
}
}