Bug 805: GraphUI Demos: Adopt changes to FontView01 + UIMediaGrid01, dropping UIMediaGrid00

3 files changed, 43 insertions, 320 deletions

diff --git a/src/demos/com/jogamp/opengl/demos/graph/ui/FontView01.java b/src/demos/com/jogamp/opengl/demos/graph/ui/FontView01.java
index 2e7d3c6e3..4839f6a83 100644
--- a/src/demos/com/jogamp/opengl/demos/graph/ui/FontView01.java
+++ b/src/demos/com/jogamp/opengl/demos/graph/ui/FontView01.java
@@ -56,7 +56,6 @@ import com.jogamp.graph.ui.shapes.GlyphShape;
 import com.jogamp.graph.ui.shapes.Label;
 import com.jogamp.graph.ui.shapes.Rectangle;
 import com.jogamp.graph.ui.widgets.RangeSlider;
-import com.jogamp.graph.ui.widgets.RangeSlider.SliderListener;
 import com.jogamp.graph.ui.widgets.RangedGroup;
 import com.jogamp.graph.ui.widgets.RangedGroup.SliderParam;
 import com.jogamp.math.FloatUtil;
@@ -219,7 +218,7 @@ public class FontView01 {
         System.err.println("GlyphGrid[pgsz "+glyphGridSize+", totsz "+glyphGridTotalSize+", cellSz "+glyphGridCellSize+"]");
 
         final Group mainView;
-        final Shape.MouseGestureListener glyphMouseListener;
+        final Shape.PointerListener glyphPointerListener;
         {
             final Group glyphShapeBox = new Group( new BoxLayout( 1f, 1f, Alignment.FillCenter, new Margin(0.01f) ) );
             final Group glyphShapeHolder = new Group();
@@ -233,50 +232,39 @@ public class FontView01 {
             glyphInfoBox.addShape(glyphInfo);
             glyphInfoBox.setRelayoutOnDirtyShapes(false); // avoid group re-validate on info text changes
 
-            glyphMouseListener = new Shape.MouseGestureAdapter() {
-                private void handleEvent(final MouseEvent e) {
-                    final Shape.EventInfo shapeEvent = (Shape.EventInfo) e.getAttachment();
-                    // System.err.println("ShapeEvent "+shapeEvent);
-                    final GlyphShape g0 = getGlyphShape(shapeEvent.shape);
-
-                    e.setConsumed(true);
-
-                    // Selected Glyph g0
-                    final boolean doScreenshot = e.isControlDown() && e.getButtonDownCount() > 0;
-                    scene.invoke(false, (final GLAutoDrawable d) -> {
-                        // Handle old one
-                        if( 1 == glyphShapeHolder.getShapeCount() ) {
-                            final GlyphShape old = (GlyphShape) glyphShapeHolder.getShapeByIdx(0);
-                            if( null != old ) {
-                                if( !doScreenshot && old.getGlyph().getCodepoint() == g0.getGlyph().getCodepoint() ) {
-                                    // System.err.println("GlyphShape Same: "+old);
-                                    return true; // abort - no change
-                                } else {
-                                    glyphShapeHolder.removeShape(old);
-                                }
+            glyphPointerListener = (final Shape s, final Vec3f pos, final MouseEvent e) -> {
+                // System.err.println("ShapeEvent "+shapeEvent);
+                final GlyphShape g0 = getGlyphShape(s);
+
+                e.setConsumed(true);
+
+                // Selected Glyph g0
+                final boolean doScreenshot = e.isControlDown() && e.getButtonDownCount() > 0;
+                scene.invoke(false, (final GLAutoDrawable d) -> {
+                    // Handle old one
+                    if( 1 == glyphShapeHolder.getShapeCount() ) {
+                        final GlyphShape old = (GlyphShape) glyphShapeHolder.getShapeByIdx(0);
+                        if( null != old ) {
+                            if( !doScreenshot && old.getGlyph().getCodepoint() == g0.getGlyph().getCodepoint() ) {
+                                // System.err.println("GlyphShape Same: "+old);
+                                return true; // abort - no change
                             } else {
-                                // System.err.println("GlyphShape Old: Null");
+                                glyphShapeHolder.removeShape(old);
                             }
                         } else {
-                            // System.err.println("GlyphShape Old: None");
+                            // System.err.println("GlyphShape Old: Null");
                         }
-                        // New Glyph
-                        glyphShapeHolder.addShape(g0);
-                        setGlyphInfo(fontStatus, glyphInfo, g0.getGlyph());
-                        if( doScreenshot ) {
-                            printScreenOnGLThread(scene, window.getChosenGLCapabilities(), font, g0.getGlyph().getCodepoint());
-                        }
-                        return true;
-                    });
-                }
-                @Override
-                public void mouseMoved(final MouseEvent e) {
-                    handleEvent(e);
-                }
-                @Override
-                public void mousePressed(final MouseEvent e) {
-                    handleEvent(e);
-                }
+                    } else {
+                        // System.err.println("GlyphShape Old: None");
+                    }
+                    // New Glyph
+                    glyphShapeHolder.addShape(g0);
+                    setGlyphInfo(fontStatus, glyphInfo, g0.getGlyph());
+                    if( doScreenshot ) {
+                        printScreenOnGLThread(scene, window.getChosenGLCapabilities(), font, g0.getGlyph().getCodepoint());
+                    }
+                    return true;
+                });
             };
 
             final Group glyphInfoView = new Group(new GridLayout(2, 0f, 0f, Alignment.None));
@@ -285,7 +273,7 @@ public class FontView01 {
                 final Group glyphGrid = new Group(new GridLayout(gridDim.columns, glyphGridCellSize*0.9f, glyphGridCellSize*0.9f, Alignment.FillCenter,
                                                   new Gap(glyphGridCellSize*0.1f)));
                 glyphGrid.setInteractive(true).setDragAndResizable(false).setToggleable(false).setName("GlyphGrid");
-                addGlyphs(reqCaps.getGLProfile(), font, glyphGrid, gridDim, showUnderline, showLabel, fontStatus, fontInfo, glyphMouseListener);
+                addGlyphs(reqCaps.getGLProfile(), font, glyphGrid, gridDim, showUnderline, showLabel, fontStatus, fontInfo, glyphPointerListener);
                 glyphGrid.setRelayoutOnDirtyShapes(false); // avoid group re-validate to ease load in Group.isShapeDirty() w/ thousands of glyphs
                 if( VERBOSE_UI ) {
                     glyphGrid.validate(reqCaps.getGLProfile());
@@ -303,15 +291,12 @@ public class FontView01 {
                                                                new SliderParam( new Vec2f(glyphGridCellSize/4f, glyphGridSize.y()), glyphGridCellSize/10f, true ) );
                 glyphView.getVertSlider().setColor(0.3f, 0.3f, 0.3f, 0.7f).setName("GlyphView");
                 if( VERBOSE_UI ) {
-                    glyphView.getVertSlider().addSliderListener(new SliderListener() {
-                        @Override
-                        public void dragged(final RangeSlider w, final float old_val, final float val, final float old_val_pct, final float val_pct) {
-                            final Vec2f minmax = w.getMinMax();
-                            final float row_f = val / glyphGridCellSize;
-                            System.err.println("VertSlider: row["+row_f+".."+(row_f+gridDim.rowsPerPage-1)+"]/"+gridDim.rows+
-                                               ", val["+old_val+" -> "+val+"]/"+minmax.y()+", pct["+(100*old_val_pct)+"% -> "+(100*val_pct)+"%], cellSz "+glyphGridCellSize);
-                            System.err.println("VertSlider: "+w.getDescription());
-                        }
+                    glyphView.getVertSlider().addSliderListener((final RangeSlider w, final float old_val, final float val, final float old_val_pct, final float val_pct) -> {
+                        final Vec2f minmax = w.getMinMax();
+                        final float row_f = val / glyphGridCellSize;
+                        System.err.println("VertSlider: row["+row_f+".."+(row_f+gridDim.rowsPerPage-1)+"]/"+gridDim.rows+
+                                           ", val["+old_val+" -> "+val+"]/"+minmax.y()+", pct["+(100*old_val_pct)+"% -> "+(100*val_pct)+"%], cellSz "+glyphGridCellSize);
+                        System.err.println("VertSlider: "+w.getDescription());
                     });
                 }
                 glyphView.getVertSlider().receiveKeyEvents(glyphGrid);
@@ -505,7 +490,7 @@ public class FontView01 {
      */
     static void addGlyphs(final GLProfile glp, final Font font, final Group sink,
                           final GridDim gridDim, final boolean showUnderline, final boolean showLabel,
-                          final Font fontStatus, final Font fontInfo, final Shape.MouseGestureListener glyphMouseListener) {
+                          final Font fontStatus, final Font fontInfo, final Shape.PointerListener glyphPointerListener) {
         final AABBox tmpBox = new AABBox();
         final long t0 = Clock.currentNanos();
 
@@ -532,7 +517,7 @@ public class FontView01 {
             }
 
             c1.addShape( c0 );
-            c1.addMouseListener(glyphMouseListener);
+            c1.onHover(glyphPointerListener);
             sink.receiveKeyEvents(c1);
             // sink.receiveMouseEvents(c1);
             c1.setToolTip( new TooltipShape(new Vec4f(1, 1, 1, 1), new Vec4f(0, 0, 0, 1), 0.01f,
diff --git a/src/demos/com/jogamp/opengl/demos/graph/ui/UIMediaGrid00.java b/src/demos/com/jogamp/opengl/demos/graph/ui/UIMediaGrid00.java
deleted file mode 100644
index fec507d3c..000000000
--- a/src/demos/com/jogamp/opengl/demos/graph/ui/UIMediaGrid00.java
+++ /dev/null
@@ -1,258 +0,0 @@
-/**
- * Copyright 2010-2023 JogAmp Community. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are
- * permitted provided that the following conditions are met:
- *
- *    1. Redistributions of source code must retain the above copyright notice, this list of
- *       conditions and the following disclaimer.
- *
- *    2. Redistributions in binary form must reproduce the above copyright notice, this list
- *       of conditions and the following disclaimer in the documentation and/or other materials
- *       provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * The views and conclusions contained in the software and documentation are those of the
- * authors and should not be interpreted as representing official policies, either expressed
- * or implied, of JogAmp Community.
- */
-package com.jogamp.opengl.demos.graph.ui;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-
-import com.jogamp.common.net.Uri;
-import com.jogamp.graph.curve.Region;
-import com.jogamp.graph.font.Font;
-import com.jogamp.graph.font.FontFactory;
-import com.jogamp.graph.font.FontScale;
-import com.jogamp.graph.ui.Group;
-import com.jogamp.graph.ui.Scene;
-import com.jogamp.graph.ui.Shape;
-import com.jogamp.graph.ui.layout.Alignment;
-import com.jogamp.graph.ui.layout.Gap;
-import com.jogamp.graph.ui.layout.GridLayout;
-import com.jogamp.graph.ui.shapes.Button;
-import com.jogamp.graph.ui.shapes.MediaButton;
-import com.jogamp.graph.ui.shapes.Rectangle;
-import com.jogamp.graph.ui.widgets.MediaPlayer;
-import com.jogamp.math.Vec2i;
-import com.jogamp.math.Vec3f;
-import com.jogamp.math.geom.AABBox;
-import com.jogamp.newt.event.KeyAdapter;
-import com.jogamp.newt.event.KeyEvent;
-import com.jogamp.newt.event.MouseEvent;
-import com.jogamp.newt.event.WindowAdapter;
-import com.jogamp.newt.event.WindowEvent;
-import com.jogamp.newt.opengl.GLWindow;
-import com.jogamp.opengl.GL;
-import com.jogamp.opengl.GLCapabilities;
-import com.jogamp.opengl.GLCapabilitiesImmutable;
-import com.jogamp.opengl.GLProfile;
-import com.jogamp.opengl.demos.util.CommandlineOptions;
-import com.jogamp.opengl.demos.util.MiscUtils;
-import com.jogamp.opengl.util.Animator;
-import com.jogamp.opengl.util.av.GLMediaPlayer;
-import com.jogamp.opengl.util.av.GLMediaPlayerFactory;
-
-import jogamp.graph.ui.TreeTool;
-
-/**
- * MediaButtons in a grid, filled by media files from a directory in different aspect ratios
- */
-public class UIMediaGrid00 {
-    static CommandlineOptions options = new CommandlineOptions(1920, 1080, Region.VBAA_RENDERING_BIT);
-
-    public static int aid = GLMediaPlayer.STREAM_ID_AUTO;
-    public static boolean letterBox = true;
-
-    public static void main(final String[] args) throws IOException {
-        final List<Uri> mediaFiles = new ArrayList<Uri>();
-        if( 0 != args.length ) {
-            final int[] idx = { 0 };
-            for (idx[0] = 0; idx[0] < args.length; ++idx[0]) {
-                if( options.parse(args, idx) ) {
-                    continue;
-                } else if (args[idx[0]].equals("-file")) {
-                    idx[0]++;
-                    final Uri u = Uri.tryUriOrFile( args[idx[0]] );
-                    if( null != u ) {
-                        mediaFiles.add(u);
-                    }
-                } else if(args[idx[0]].equals("-aid")) {
-                    idx[0]++;
-                    aid = MiscUtils.atoi(args[idx[0]], aid);
-                } else if(args[idx[0]].equals("-zoom")) {
-                    letterBox = false;
-                }
-            }
-        }
-        System.err.println(options);
-        System.err.println("aid "+aid);
-        System.err.println("letterBox "+letterBox);
-
-        if( 0 == mediaFiles.size() ) {
-            System.err.println("No media files, exit.");
-            return;
-        }
-        for(final Uri uri : mediaFiles) {
-            System.err.println("- "+uri);
-        }
-        final Vec2i gridDim = new Vec2i(4, mediaFiles.size());
-
-        final GLCapabilities reqCaps = options.getGLCaps();
-        System.out.println("Requested: " + reqCaps);
-
-        final Animator animator = new Animator(0 /* w/o AWT */);
-        animator.setUpdateFPSFrames(1*60, null); // System.err);
-        final GLWindow window = GLWindow.create(reqCaps);
-        window.setSize(options.surface_width, options.surface_height);
-        window.setVisible(true);
-        System.out.println("Chosen: " + window.getChosenGLCapabilities());
-        window.setTitle(UIMediaGrid00.class.getSimpleName()+": "+window.getSurfaceWidth()+" x "+window.getSurfaceHeight());
-        window.addWindowListener(new WindowAdapter() {
-            @Override
-            public void windowResized(final WindowEvent e) {
-                window.setTitle(UIMediaGrid00.class.getSimpleName()+": "+window.getSurfaceWidth()+" x "+window.getSurfaceHeight());
-            }
-            @Override
-            public void windowDestroyNotify(final WindowEvent e) {
-                animator.stop();
-            }
-        });
-        animator.add(window);
-
-        final Scene scene = new Scene(options.graphAASamples);
-        scene.setClearParams(new float[] { 1f, 1f, 1f, 1f}, GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
-        scene.setPMvCullingEnabled(true);
-
-        scene.attachInputListenerTo(window);
-        window.addGLEventListener(scene);
-
-
-        final float[] ppmm = window.getPixelsPerMM(new float[2]);
-        {
-            final float[] dpi = FontScale.ppmmToPPI( new float[] { ppmm[0], ppmm[1] } );
-            System.err.println("DPI "+dpi[0]+" x "+dpi[1]+", "+ppmm[0]+" x "+ppmm[1]+" pixel/mm");
-
-            final float[] hasSurfacePixelScale1 = window.getCurrentSurfaceScale(new float[2]);
-            System.err.println("HiDPI PixelScale: "+hasSurfacePixelScale1[0]+"x"+hasSurfacePixelScale1[1]+" (has)");
-        }
-        final Group mediaGrid;
-        {
-            final float cellWidth = 1f;
-            final float cellHeight = 1f;
-            mediaGrid = new Group(new GridLayout(gridDim.x(), cellWidth*0.9f, cellHeight*0.9f, Alignment.FillCenter, new Gap(cellHeight*0.1f, cellWidth*0.1f)));
-            mediaGrid.setName("MediaGrid");
-            mediaGrid.setRelayoutOnDirtyShapes(false);
-        }
-        addMedia(scene, reqCaps.getGLProfile(), mediaGrid, mediaFiles);
-        mediaGrid.validate(reqCaps.getGLProfile());
-        System.err.println("MediaGrid "+mediaGrid);
-        System.err.println("MediaGrid "+mediaGrid.getLayout());
-
-        final Group mainGrid = new Group(new GridLayout(1, 0f, 0f, Alignment.None));
-        mainGrid.setName("MainGrid");
-        mainGrid.addShape(mediaGrid);
-        scene.addShape(mainGrid);
-
-        window.addKeyListener(new KeyAdapter() {
-            @Override
-            public void keyReleased(final KeyEvent e) {
-                final short keySym = e.getKeySymbol();
-                if( keySym == KeyEvent.VK_S ) {
-                    printScreenOnGLThread(scene, window.getChosenGLCapabilities());
-                } else if( keySym == KeyEvent.VK_DOWN ) {
-                } else if( keySym == KeyEvent.VK_PAGE_DOWN ) {
-                } else if( keySym == KeyEvent.VK_UP ) {
-                } else if( keySym == KeyEvent.VK_PAGE_UP ) {
-                } else if( keySym == KeyEvent.VK_F4 || keySym == KeyEvent.VK_ESCAPE || keySym == KeyEvent.VK_Q ) {
-                    MiscUtils.destroyWindow(window);
-                }
-            }
-        });
-
-        animator.start();
-        scene.waitUntilDisplayed();
-        {
-            final AABBox sceneBox = scene.getBounds();
-            final AABBox mainGridBox = mainGrid.getBounds();
-            final float sx = sceneBox.getWidth() / mainGridBox.getWidth();
-            final float sy = sceneBox.getHeight() / mainGridBox.getHeight();
-            final float sxy = Math.min(sx, sy);
-            System.err.println("SceneBox "+sceneBox);
-            System.err.println("MainGridBox "+mainGridBox);
-            System.err.println("scale sx "+sx+", sy "+sy+", sxy "+sxy);
-            // scale, moveTo origin bottom-left, then move up to top-left corner.
-            mainGrid.scale(sxy, sxy, 1f).moveTo(sceneBox.getLow()).move(0, sceneBox.getHeight()-mainGridBox.getHeight()*sxy, 0);
-        }
-        printScreenOnGLThread(scene, window.getChosenGLCapabilities());
-        // stay open ..
-    }
-    static void printScreenOnGLThread(final Scene scene, final GLCapabilitiesImmutable caps) {
-        scene.screenshot(true, scene.nextScreenshotFile(null, UIMediaGrid00.class.getSimpleName(), options.renderModes, caps, "media"));
-    }
-
-
-    static void addMedia(final Scene scene, final GLProfile glp, final Group grid, final List<Uri> mediaFiles) {
-        final float zoomSize = 0.95f;
-        for(final Uri medium : mediaFiles) {
-            final GLMediaPlayer mPlayer = GLMediaPlayerFactory.createDefault();
-            if( printNativeInfoOnce ) {
-                mPlayer.printNativeInfo(System.err);
-                printNativeInfoOnce = false;
-            }
-            // mPlayer.setTextureMinMagFilter( new int[] { GL.GL_NEAREST, GL.GL_NEAREST } );
-            mPlayer.setTextureMinMagFilter( new int[] { GL.GL_LINEAR, GL.GL_LINEAR } );
-            mPlayer.setTextureUnit(1);
-
-            final List<Shape> customCtrls = new ArrayList<Shape>();
-            {
-                final Font fontSymbols = FontFactory.getSymbolsFont();
-                if( null == fontSymbols ) {
-                    grid.addShape( new Rectangle(options.renderModes, 16f/9f, 1, 0.10f) );
-                    return;
-                }
-                final Button button = new Button(options.renderModes, fontSymbols,
-                        fontSymbols.getUTF16String("reset_tv"), MediaPlayer.CtrlButtonWidth, MediaPlayer.CtrlButtonHeight, scene.getZEpsilon(16));
-                button.setName("reset");
-                button.setSpacing(MediaPlayer.SymSpacing, MediaPlayer.FixedSymSize).setPerp().setColor(MediaPlayer.CtrlCellCol);
-                button.onClicked((final Shape s0, final Vec3f pos, final MouseEvent e) -> {
-                    TreeTool.forAll(scene, (final Shape s1) -> {
-                       System.err.println("- "+s1.getName());
-                       if( s1 instanceof MediaButton ) {
-                           final MediaButton mb = (MediaButton)s1;
-                           final GLMediaPlayer mp = mb.getGLMediaPlayer();
-                           mp.seek(0);
-                           mp.setPlaySpeed(1f);
-                           mp.setAudioVolume( 0f );
-                       }
-                       if( s1.getName().equals("muteLabel") ) {
-                           s1.setVisible(true);
-                       }
-                       if( s1.getName().equals("MediaGrid") ) {
-                           s1.markShapeDirty();
-                           System.err.println("Reset: "+s1);
-                       }
-                       return false;
-                    });
-                });
-                customCtrls.add(button);
-            }
-            grid.addShape( new MediaPlayer(options.renderModes, scene, mPlayer, medium, 16f/9f, letterBox, zoomSize, customCtrls) );
-            mPlayer.playStream(medium, GLMediaPlayer.STREAM_ID_AUTO, aid, GLMediaPlayer.STREAM_ID_NONE, GLMediaPlayer.TEXTURE_COUNT_DEFAULT);
-        }
-    }
-    private static boolean printNativeInfoOnce = true;
-
-}
diff --git a/src/demos/com/jogamp/opengl/demos/graph/ui/UIMediaGrid01.java b/src/demos/com/jogamp/opengl/demos/graph/ui/UIMediaGrid01.java
index 9dfbca91c..dd841f3f9 100644
--- a/src/demos/com/jogamp/opengl/demos/graph/ui/UIMediaGrid01.java
+++ b/src/demos/com/jogamp/opengl/demos/graph/ui/UIMediaGrid01.java
@@ -54,7 +54,6 @@ import com.jogamp.graph.ui.shapes.MediaButton;
 import com.jogamp.graph.ui.shapes.Rectangle;
 import com.jogamp.graph.ui.widgets.MediaPlayer;
 import com.jogamp.graph.ui.widgets.RangeSlider;
-import com.jogamp.graph.ui.widgets.RangeSlider.SliderListener;
 import com.jogamp.graph.ui.widgets.RangedGroup;
 import com.jogamp.graph.ui.widgets.RangedGroup.SliderParam;
 import com.jogamp.math.Vec2f;
@@ -280,13 +279,10 @@ public class UIMediaGrid01 {
             mediaView.getVertSlider().setColor(0.3f, 0.3f, 0.3f, 0.7f).setName("MediaView");
             // mediaView.setRelayoutOnDirtyShapes(false); // avoid group re-validate to ease load in Group.isShapeDirty() w/ thousands of glyphs
             if( VERBOSE_UI ) {
-                mediaView.getVertSlider().addSliderListener(new SliderListener() {
-                    @Override
-                    public void dragged(final RangeSlider w, final float old_val, final float val, final float old_val_pct, final float val_pct) {
-                        final Vec2f minmax = w.getMinMax();
-                        final float row_f = val / mediaCellHeight;
-                        System.err.println("VertSlider: row "+row_f+", val["+old_val+" -> "+val+"], pct["+(100*old_val_pct)+"% -> "+(100*val_pct)+"%], minmax "+minmax);
-                    }
+                mediaView.getVertSlider().addSliderListener((final RangeSlider w, final float old_val, final float val, final float old_val_pct, final float val_pct) -> {
+                    final Vec2f minmax = w.getMinMax();
+                    final float row_f = val / mediaCellHeight;
+                    System.err.println("VertSlider: row "+row_f+", val["+old_val+" -> "+val+"], pct["+(100*old_val_pct)+"% -> "+(100*val_pct)+"%], minmax "+minmax);
                 });
             }
             if( VERBOSE_UI ) {