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possibly fix to work with negative values

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git-svn-id: https://samskivert.googlecode.com/svn/trunk@1101 6335cc39-0255-0410-8fd6-9bcaacd3b74c
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ray
2003-04-20 01:06:12 +00:00
parent 09a1df0e7b
commit 935dde422d
1 changed files with 9 additions and 7 deletions
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projects/samskivert/src/java/com/samskivert/swing/ScrollBox.java
+9 -7
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@@ -1,5 +1,5 @@
// //
// $Id: ScrollBox.java,v 1.2 2003/03/26 20:38:18 ray Exp $ // $Id: ScrollBox.java,v 1.3 2003/04/20 01:06:12 ray Exp $
package com.samskivert.swing; package com.samskivert.swing;
@@ -120,15 +120,17 @@ public class ScrollBox extends JPanel
*/ */
protected void updateBox () protected void updateBox ()
{ {
_hFactor = (_active.width) / int hmin = _horz.getMinimum();
(float) (_horz.getMaximum() - _horz.getMinimum()); int vmin = _vert.getMinimum();
_vFactor = (_active.height) / _hFactor = (_active.width) / (float) (_horz.getMaximum() - hmin);
(float) (_vert.getMaximum() - _vert.getMinimum()); _vFactor = (_active.height) / (float) (_vert.getMaximum() - vmin);
_box.x = _active.x + (int) Math.round(_horz.getValue() * _hFactor); _box.x = _active.x + (int) Math.round((_horz.getValue() - hmin) *
_hFactor);
_box.width = (int) Math.round(_horz.getExtent() * _hFactor); _box.width = (int) Math.round(_horz.getExtent() * _hFactor);
_box.y = _active.y + (int) Math.round(_vert.getValue() * _vFactor); _box.y = _active.y + (int) Math.round((_vert.getValue() - vmin) *
_vFactor);
_box.height = (int) Math.round(_vert.getExtent() * _vFactor); _box.height = (int) Math.round(_vert.getExtent() * _vFactor);
} }