Merge branch 'subtree'

[nikiroo-utils.git] / src / be / nikiroo / utils / ui / UIUtils.java

diff --git a/src/be/nikiroo/utils/ui/UIUtils.java b/src/be/nikiroo/utils/ui/UIUtils.java
index 91a1f61b4b1bb02f7646c8f9910fb6b0140feeb7..9f16aabe79c3ba8dc80e8221bace21b2ec5f0d4a 100644 (file)
--- a/src/be/nikiroo/utils/ui/UIUtils.java
+++ b/src/be/nikiroo/utils/ui/UIUtils.java
@@ -8,6 +8,8 @@ import java.awt.Paint;
 import java.awt.RadialGradientPaint;
 import java.awt.RenderingHints;
 
+import javax.swing.JComponent;
+import javax.swing.JScrollPane;
 import javax.swing.UIManager;
 import javax.swing.UnsupportedLookAndFeelException;
 
@@ -37,7 +39,7 @@ public class UIUtils {
                } catch (IllegalAccessException e) {
                }
        }
-       
+
        /**
         * Draw a 3D-looking ellipse at the given location, if the given
         * {@link Graphics} object is compatible (with {@link Graphics2D}); draw a
@@ -56,7 +58,8 @@ public class UIUtils {
         * @param height
         *            the height radius
         */
-       static public void drawEllipse3D(Graphics g, Color color, int x, int y, int width, int height) {
+       static public void drawEllipse3D(Graphics g, Color color, int x, int y,
+                       int width, int height) {
                drawEllipse3D(g, color, x, y, width, height, true);
        }
 
@@ -77,8 +80,8 @@ public class UIUtils {
         *            the width radius
         * @param height
         *            the height radius
-     * @param fill
-     *                           fill the content of the ellipse
+        * @param fill
+        *            fill the content of the ellipse
         */
        static public void drawEllipse3D(Graphics g, Color color, int x, int y,
                        int width, int height, boolean fill) {
@@ -97,7 +100,7 @@ public class UIUtils {
                        } else {
                                g2.drawOval(x, y, width, height);
                        }
-                       
+
                        // Compute dark/bright colours
                        Paint p = null;
                        Color dark = color.darker().darker();
@@ -125,7 +128,7 @@ public class UIUtils {
                        } else {
                                g2.drawOval(x, y, width, height);
                        }
-                       
+
                        // Darken the edges
                        p = new RadialGradientPaint(x + width / 2f, y + height / 2f,
                                        Math.min(width / 2f, height / 2f), new float[] { 0f, 1f },
@@ -162,4 +165,25 @@ public class UIUtils {
                        }
                }
        }
+
+       /**
+        * 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)
+        * 
+        * @return the {@link JScrollPane}
+        */
+       static public JScrollPane scroll(JComponent pane, boolean allowHorizontal) {
+               JScrollPane scroll = new JScrollPane(pane);
+               scroll.getVerticalScrollBar().setUnitIncrement(16);
+               if (!allowHorizontal) {
+                       scroll.setHorizontalScrollBarPolicy(
+                                       JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
+               }
+               return scroll;
+       }
 }