2 files changed, 20 insertions, 14 deletions

diff --git a/src/graphui/classes/com/jogamp/graph/ui/Tooltip.java b/src/graphui/classes/com/jogamp/graph/ui/Tooltip.java
index fd0bb6c2c..c8ab813aa 100644
--- a/src/graphui/classes/com/jogamp/graph/ui/Tooltip.java
+++ b/src/graphui/classes/com/jogamp/graph/ui/Tooltip.java
@@ -56,8 +56,8 @@ public abstract class Tooltip {
     private Shape tool;
     /** Graph's {@link Region} render modes, see {@link GLRegion#create(GLProfile, int, TextureSequence) create(..)}. */
     protected final int renderModes;
-    protected final Vec4f backColor = new Vec4f(1, 1, 0, 1);
-    protected final Vec4f frontColor = new Vec4f(0.1f, 0.1f, 0.1f, 1);
+    protected final Vec4f backColor = new Vec4f(0.9f, 0.9f, 0.9f, 0.9f);
+    protected final Vec4f frontColor = new Vec4f(0.1f, 0.1f, 0.1f, 0.9f);
 
     @Override
     public String toString() {
@@ -65,8 +65,8 @@ public abstract class Tooltip {
     }
     /**
      *
-     * @param backColor optional HUD tip background color
-     * @param frontColor optional HUD tip front color
+     * @param backColor optional HUD tip background color, if null a slightly transparent light-grey background is used
+     * @param frontColor optional HUD tip front color, if null an slightly transparent almost-black is used
      * @param delayMS delay until HUD tip is visible after timer start (mouse moved), zero implies no time based alarm
      * @param renderModes Graph's {@link Region} render modes, see {@link GLRegion#create(GLProfile, int, TextureSequence) create(..)}.
      */
@@ -159,8 +159,8 @@ public abstract class Tooltip {
         } else {
             pos.setX( sceneAABox.getLow().x() );
         }
-        if( toolMvBounds.getHigh().y() + tipHeight <= sceneAABox.getHigh().y()  ) {
-            pos.setY( toolMvBounds.getHigh().y() );
+        if( toolMvBounds.getCenter().y() + tipHeight <= sceneAABox.getHigh().y()  ) {
+            pos.setY( toolMvBounds.getCenter().y() );
         } else if( toolMvBounds.getHigh().y() >= tipHeight ) {
             pos.setY( toolMvBounds.getHigh().y() - tipHeight );
         } else {
diff --git a/src/graphui/classes/com/jogamp/graph/ui/TooltipText.java b/src/graphui/classes/com/jogamp/graph/ui/TooltipText.java
index 77386d224..b02c420cf 100644
--- a/src/graphui/classes/com/jogamp/graph/ui/TooltipText.java
+++ b/src/graphui/classes/com/jogamp/graph/ui/TooltipText.java
@@ -27,6 +27,7 @@
  */
 package com.jogamp.graph.ui;
 
+import com.jogamp.common.util.StringUtil;
 import com.jogamp.graph.curve.Region;
 import com.jogamp.graph.curve.opengl.GLRegion;
 import com.jogamp.graph.font.Font;
@@ -39,7 +40,7 @@ import com.jogamp.math.util.PMVMatrix4f;
 import com.jogamp.opengl.GLAutoDrawable;
 import com.jogamp.opengl.GLProfile;
 
-/** A HUD text {@link Tooltip} for {@link Shape}, see {@link Shape#setToolTip(Tooltip)}. */
+/** A round {@link Button HUD text} {@link Tooltip} for {@link Shape}, see {@link Shape#setToolTip(Tooltip)}. */
 public class TooltipText extends Tooltip {
     /** Text of this tooltip */
     private final CharSequence tipText;
@@ -67,7 +68,7 @@ public class TooltipText extends Tooltip {
     }
     /**
      * Ctor of {@link TooltipText} using {@link Tooltip#DEFAULT_DELAY}, {@link Region#VBAA_RENDERING_BIT}
-     * and a slightly transparent yellow background with an almost black opaque text color.
+     * and a slightly transparent light-grey background with an slightly transparent almost-black text color.
      * @param tipText HUD tip text
      * @param tipFont HUD tip font
      * @param scaleY HUD tip vertical scale against tool height
@@ -86,9 +87,14 @@ public class TooltipText extends Tooltip {
         final AffineTransform tempT1 = new AffineTransform();
         final AffineTransform tempT2 = new AffineTransform();
         final AABBox tipBox_em = tipFont.getGlyphBounds(tipText, tempT1, tempT2);
-
-        float h = toolMvBounds.getHeight() * scaleY;
-        float w = tipBox_em.getWidth() * h / tipBox_em.getHeight();
+        final float dys;
+        {
+            // lineHeight = tipBox_em.getHeight() / StringUtil.getLineCount(tipText);
+            final float totalH = tipBox_em.getHeight() * ( 1 + 0.5f/StringUtil.getLineCount(tipText) );
+            dys = totalH / tipBox_em.getHeight() - 1;
+        }
+        float h = toolMvBounds.getHeight() * scaleY * ( 1 + dys );
+        float w = ( tipBox_em.getWidth() * h / tipBox_em.getHeight() ) * ( 1 - dys );
         if( w > sceneAABox.getWidth() * 0.9f) {
             w = sceneAABox.getWidth() * 0.9f;
             h = tipBox_em.getHeight() * w / tipBox_em.getWidth();
@@ -99,13 +105,13 @@ public class TooltipText extends Tooltip {
         final Vec2f pos = getTipMvPosition(scene, toolMvBounds, w, h);
 
         final Button ntip = (Button) new Button(renderModes, tipFont, tipText, w, h, zEps)
-                .setPerp()
                 .moveTo(pos.x(), pos.y(), 100*zEps)
                 .setColor(backColor)
-                // .setBorder(0.05f).setBorderColor(0, 0, 0, 1)
+                // .setBorder(0.05f).setBorderColor(0, 0, 0, 0.5f)
                 .setInteractive(false);
         ntip.setLabelColor(frontColor);
-        ntip.setSpacing(0.10f, 0.10f);
+        ntip.setSpacing(0.075f, dys);
+        ntip.setCorner(0.75f);
         return ntip;
     }
 }