From: Niki Roo <niki@nikiroo.be>
Date: Tue, 28 Apr 2020 14:51:50 +0000 (+0200)
Subject: UIUtils.scroll: allow horizontal only
X-Git-Url: https://git.nikiroo.be/?a=commitdiff_plain;h=3af909c1d3ed9a36e85cf9049348240475c3c17f;p=fanfix-jexer.git

UIUtils.scroll: allow horizontal only
---

diff --git a/ui/UIUtils.java b/ui/UIUtils.java
index 9f16aab..5861d00 100644
--- a/ui/UIUtils.java
+++ b/ui/UIUtils.java
@@ -178,12 +178,39 @@ public class UIUtils {
 	 * @return the {@link JScrollPane}
 	 */
 	static public JScrollPane scroll(JComponent pane, boolean allowHorizontal) {
+		return scroll(pane, allowHorizontal, true);
+	}
+
+	/**
+	 * Add a {@link JScrollPane} around the given panel and use a sensible (for
+	 * me) increment for the mouse wheel.
+	 * 
+	 * @param pane
+	 *            the panel to wrap in a {@link JScrollPane}
+	 * @param allowHorizontal
+	 *            allow horizontal scrolling (not always desired)
+	 * @param allowVertical
+	 *            allow vertical scrolling (usually yes, but sometimes you only
+	 *            want horizontal)
+	 * 
+	 * @return the {@link JScrollPane}
+	 */
+	static public JScrollPane scroll(JComponent pane, boolean allowHorizontal,
+			boolean allowVertical) {
 		JScrollPane scroll = new JScrollPane(pane);
+
 		scroll.getVerticalScrollBar().setUnitIncrement(16);
+		scroll.getHorizontalScrollBar().setUnitIncrement(16);
+
 		if (!allowHorizontal) {
 			scroll.setHorizontalScrollBarPolicy(
 					JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
 		}
+		if (!allowVertical) {
+			scroll.setVerticalScrollBarPolicy(
+					JScrollPane.VERTICAL_SCROLLBAR_NEVER);
+		}
+
 		return scroll;
 	}
 }