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Mouse scroll wheel fix for MenuScroller

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This commit is contained in:
Federico Fissore
2013-10-17 16:58:56 +02:00
parent 1877703920
commit 4a47eef28a
1 changed files with 29 additions and 21 deletions
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16
app/src/processing/app/tools/MenuScroller.java
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@ -470,9 +470,18 @@ public class MenuScroller {
} }
private void refreshMenu() { private void refreshMenu() {
if (menuItems != null && menuItems.length > 0) { if (menuItems == null || menuItems.length == 0) {
firstIndex = Math.max(topFixedCount, firstIndex); return;
firstIndex = Math.min(menuItems.length - bottomFixedCount - scrollCount, firstIndex); }
int newFirstIndex = Math.max(topFixedCount, firstIndex);
newFirstIndex = Math.min(menuItems.length - bottomFixedCount - scrollCount, newFirstIndex);
if (newFirstIndex < 0) {
return;
}
firstIndex = newFirstIndex;
upItem.setEnabled(firstIndex > topFixedCount); upItem.setEnabled(firstIndex > topFixedCount);
downItem.setEnabled(firstIndex + scrollCount < menuItems.length - bottomFixedCount); downItem.setEnabled(firstIndex + scrollCount < menuItems.length - bottomFixedCount);
@ -502,7 +511,6 @@ public class MenuScroller {
parent.revalidate(); parent.revalidate();
parent.repaint(); parent.repaint();
} }
}
private class MouseScrollListener implements MouseWheelListener { private class MouseScrollListener implements MouseWheelListener {
public void mouseWheelMoved(MouseWheelEvent mwe) { public void mouseWheelMoved(MouseWheelEvent mwe) {