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https://github.com/JFormDesigner/FlatLaf.git
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SmoothScrollingTest added (from https://github.com/JFormDesigner/FlatLaf/pull/683#issuecomment-1585667066)
This commit is contained in:
Karl Tauber
@@ -0,0 +1,305 @@
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package com.formdev.flatlaf.testing.contrib;
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import java.awt.BorderLayout;
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import java.awt.Component;
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import java.awt.Dimension;
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import java.awt.FlowLayout;
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import java.awt.GridLayout;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.event.ItemEvent;
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import javax.swing.BorderFactory;
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import javax.swing.Box;
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import javax.swing.JButton;
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import javax.swing.JCheckBox;
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import javax.swing.JComboBox;
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import javax.swing.JFrame;
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import javax.swing.JLayeredPane;
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import javax.swing.JList;
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import javax.swing.JPanel;
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import javax.swing.JPopupMenu;
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import javax.swing.JRootPane;
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import javax.swing.JScrollPane;
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import javax.swing.JTable;
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import javax.swing.JTree;
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import javax.swing.JViewport;
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import javax.swing.ListCellRenderer;
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import javax.swing.Scrollable;
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import javax.swing.SwingConstants;
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import javax.swing.SwingUtilities;
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import javax.swing.ToolTipManager;
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import javax.swing.UIManager;
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import javax.swing.table.AbstractTableModel;
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import javax.swing.table.TableModel;
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import javax.swing.tree.DefaultMutableTreeNode;
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import javax.swing.tree.DefaultTreeModel;
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import javax.swing.tree.TreeModel;
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import com.formdev.flatlaf.FlatClientProperties;
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import com.formdev.flatlaf.FlatLightLaf;
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/**
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* from https://github.com/JFormDesigner/FlatLaf/pull/683#issuecomment-1585667066
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*
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* @author Chrriis
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*/
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public class SmoothScrollingTest {
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private static class CustomTree extends JTree {
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public CustomTree() {
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super(getDefaultTreeModel());
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}
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protected static TreeModel getDefaultTreeModel() {
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DefaultMutableTreeNode root = new DefaultMutableTreeNode("JTree");
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for(int i=0; i<1000; i++) {
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DefaultMutableTreeNode parent;
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parent = new DefaultMutableTreeNode("colors-" + i);
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root.add(parent);
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parent.add(new DefaultMutableTreeNode("blue"));
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parent.add(new DefaultMutableTreeNode("violet"));
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parent.add(new DefaultMutableTreeNode("red"));
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parent.add(new DefaultMutableTreeNode("yellow"));
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parent = new DefaultMutableTreeNode("sports-" + i);
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root.add(parent);
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parent.add(new DefaultMutableTreeNode("basketball"));
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parent.add(new DefaultMutableTreeNode("soccer"));
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parent.add(new DefaultMutableTreeNode("football"));
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parent.add(new DefaultMutableTreeNode("hockey"));
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parent = new DefaultMutableTreeNode("food-" + i);
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root.add(parent);
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parent.add(new DefaultMutableTreeNode("hot dogs"));
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parent.add(new DefaultMutableTreeNode("pizza"));
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parent.add(new DefaultMutableTreeNode("ravioli"));
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parent.add(new DefaultMutableTreeNode("bananas"));
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}
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return new DefaultTreeModel(root);
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}
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}
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private static class CustomTable extends JTable {
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public CustomTable() {
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super(createDefaultTableModel());
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setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
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setCellSelectionEnabled(true);
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}
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private static TableModel createDefaultTableModel() {
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int columnChunkCount = 90;
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Object[][] data = new Object[1000][3 * columnChunkCount];
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String[] prefixes = {"", " ", " ", " "};
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String[] titles = new String[columnChunkCount * 3];
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for(int j=0; j<columnChunkCount; j++) {
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titles[j * 3] = "Column" + j * 3 + 1;
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titles[j * 3 + 1] = "Column" + j * 3 + 2;
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titles[j * 3 + 2] = "Column" + j * 3 + 3;
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for(int i=0; i<data.length; i++) {
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data[i][j * 3] = (prefixes[i % prefixes.length]) + "Cell " + (i + 1) + "/" + (j + 1);
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data[i][j * 3 + 1] = "Cell " + (i + 1) + "/" + (j + 2);
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data[i][j * 3 + 2] = Boolean.valueOf(i%5 == 0);
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}
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}
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AbstractTableModel tableModel = new AbstractTableModel() {
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@Override
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public Object getValueAt(int rowIndex, int columnIndex) {
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return data[rowIndex][columnIndex];
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}
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@Override
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public int getRowCount() {
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return data.length;
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}
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@Override
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public int getColumnCount() {
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return titles.length;
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}
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@Override
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public String getColumnName(int column) {
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return titles[column];
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}
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@Override
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public Class<?> getColumnClass(int columnIndex) {
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return columnIndex % 3 == 2 ? Boolean.class : String.class;
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}
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};
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return tableModel;
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}
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}
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private static class ScrollableCustomPane extends JPanel implements Scrollable {
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public ScrollableCustomPane() {
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super(new GridLayout(100, 0));
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for(int i=0; i<10000; i++) {
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add(new JButton("Button " + (i + 1)));
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}
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}
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@Override
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public Dimension getPreferredScrollableViewportSize() {
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return getPreferredSize();
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}
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@Override
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public boolean getScrollableTracksViewportWidth() {
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return false;
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}
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@Override
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public boolean getScrollableTracksViewportHeight() {
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return false;
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}
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@Override
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public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction) {
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Dimension referenceSize = getComponent(0).getSize();
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switch(orientation) {
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case SwingConstants.VERTICAL: return referenceSize.height;
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case SwingConstants.HORIZONTAL: return referenceSize.width;
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}
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return 20;
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}
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@Override
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public int getScrollableBlockIncrement(Rectangle visibleRect, int orientation, int direction) {
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Dimension referenceSize = getComponent(0).getSize();
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switch(orientation) {
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case SwingConstants.VERTICAL: return referenceSize.height * 10;
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case SwingConstants.HORIZONTAL: return referenceSize.width * 5;
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}
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return 100;
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}
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}
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public static void main(String[] args) throws Exception {
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UIManager.setLookAndFeel(new FlatLightLaf());
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// UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
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UIManager.getDefaults().put("ScrollBar.showButtons", true);
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ToolTipManager.sharedInstance().setDismissDelay(Integer.MAX_VALUE);
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JFrame frame = new JFrame();
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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JPanel contentPane = new JPanel(new BorderLayout());
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contentPane.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
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JCheckBox smoothCheckBox = new JCheckBox("Smooth", true);
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JComboBox<Integer> scrollModeComboBox = new JComboBox<>(new Integer[] {JViewport.BLIT_SCROLL_MODE, JViewport.BACKINGSTORE_SCROLL_MODE, JViewport.SIMPLE_SCROLL_MODE});
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JCheckBox blitBlockCheckBox = new JCheckBox("Prevent Blit");
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@SuppressWarnings( "rawtypes" )
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ListCellRenderer defaultComboRenderer = scrollModeComboBox.getRenderer();
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scrollModeComboBox.setRenderer(new ListCellRenderer<Integer>() {
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@SuppressWarnings( "unchecked" )
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@Override
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public Component getListCellRendererComponent(JList<? extends Integer> list, Integer value, int index, boolean isSelected, boolean cellHasFocus) {
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String sValue = null;
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switch(value) {
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case JViewport.BLIT_SCROLL_MODE: sValue = "Blit"; break;
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case JViewport.BACKINGSTORE_SCROLL_MODE: sValue = "Backing Store"; break;
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case JViewport.SIMPLE_SCROLL_MODE: sValue = "Simple"; break;
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}
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return defaultComboRenderer.getListCellRendererComponent(list, sValue, index, isSelected, cellHasFocus);
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}
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});
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JPanel northBar = new JPanel();
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JButton lightPopupButton = new JButton("Light Popup");
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lightPopupButton.addActionListener(e -> {
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JPopupMenu popupMenu = new JPopupMenu();
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popupMenu.setLightWeightPopupEnabled(true);
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popupMenu.putClientProperty(FlatClientProperties.POPUP_BORDER_CORNER_RADIUS, 0);
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JTable table = new CustomTable();
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table.setColumnSelectionInterval(1, 1);
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table.setRowSelectionInterval(28, 28);
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JScrollPane tableScrollPane = new JScrollPane(table);
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tableScrollPane.setPreferredSize(new Dimension(400, 600));
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tableScrollPane.putClientProperty(FlatClientProperties.SCROLL_PANE_SMOOTH_SCROLLING, !smoothCheckBox.isSelected()? Boolean.FALSE: null);
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tableScrollPane.getViewport().setScrollMode((Integer)scrollModeComboBox.getSelectedItem());
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JRootPane popupRootPane = new JRootPane();
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popupRootPane.getContentPane().add(tableScrollPane);
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popupMenu.add(popupRootPane);
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popupMenu.show(lightPopupButton, 0, lightPopupButton.getHeight());
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});
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northBar.add(lightPopupButton);
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JButton heavyPopupButton = new JButton("Heavy Popup");
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heavyPopupButton.addActionListener(e -> {
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JPopupMenu popupMenu = new JPopupMenu();
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popupMenu.setLightWeightPopupEnabled(false);
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JTable table = new CustomTable();
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table.setColumnSelectionInterval(1, 1);
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table.setRowSelectionInterval(28, 28);
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JScrollPane tableScrollPane = new JScrollPane(table);
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tableScrollPane.setPreferredSize(new Dimension(400, 600));
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tableScrollPane.putClientProperty(FlatClientProperties.SCROLL_PANE_SMOOTH_SCROLLING, !smoothCheckBox.isSelected()? Boolean.FALSE: null);
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tableScrollPane.getViewport().setScrollMode((Integer)scrollModeComboBox.getSelectedItem());
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JRootPane popupRootPane = new JRootPane();
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popupRootPane.getContentPane().add(tableScrollPane);
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popupMenu.add(popupRootPane);
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popupMenu.show(heavyPopupButton, 0, heavyPopupButton.getHeight());
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});
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northBar.add(heavyPopupButton);
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contentPane.add(northBar, BorderLayout.NORTH);
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JPanel centerPane = new JPanel(new GridLayout(1, 0));
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JTree tree = new CustomTree();
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JScrollPane treeScrollPane = new JScrollPane(tree);
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centerPane.add(treeScrollPane);
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for(int i=tree.getRowCount()-1; i>=0; i--) {
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tree.expandRow(i);
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}
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tree.setSelectionRow(28);
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JTable table = new CustomTable();
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table.setColumnSelectionInterval(1, 1);
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table.setRowSelectionInterval(28, 28);
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JScrollPane tableScrollPane = new JScrollPane(table);
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centerPane.add(tableScrollPane);
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ScrollableCustomPane scrollableCustomPane = new ScrollableCustomPane();
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JScrollPane customPaneScrollPane = new JScrollPane(scrollableCustomPane);
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centerPane.add(customPaneScrollPane);
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contentPane.add(centerPane, BorderLayout.CENTER);
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JPanel southBar = new JPanel(new FlowLayout());
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smoothCheckBox.addItemListener(e -> {
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boolean isSmooth = e.getStateChange() == ItemEvent.SELECTED;
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treeScrollPane.putClientProperty(FlatClientProperties.SCROLL_PANE_SMOOTH_SCROLLING, !isSmooth? Boolean.FALSE: null);
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tableScrollPane.putClientProperty(FlatClientProperties.SCROLL_PANE_SMOOTH_SCROLLING, !isSmooth? Boolean.FALSE: null);
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customPaneScrollPane.putClientProperty(FlatClientProperties.SCROLL_PANE_SMOOTH_SCROLLING, !isSmooth? Boolean.FALSE: null);
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});
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southBar.add(smoothCheckBox);
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southBar.add(Box.createHorizontalStrut(30));
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JButton scrollButton = new JButton("Scroll rect");
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scrollButton.addActionListener(e -> {
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treeScrollPane.getViewport().setViewPosition(new Point(9, Integer.MAX_VALUE / 2));
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tableScrollPane.getViewport().setViewPosition(new Point(9, Integer.MAX_VALUE / 2));
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customPaneScrollPane.getViewport().setViewPosition(new Point(9, Integer.MAX_VALUE / 2));
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});
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southBar.add(scrollButton);
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southBar.add(Box.createHorizontalStrut(30));
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scrollModeComboBox.addItemListener(e -> {
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SwingUtilities.invokeLater(() -> {
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int scrollMode = (Integer)scrollModeComboBox.getSelectedItem();
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treeScrollPane.getViewport().setScrollMode(scrollMode);
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tableScrollPane.getViewport().setScrollMode(scrollMode);
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customPaneScrollPane.getViewport().setScrollMode(scrollMode);
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});
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});
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southBar.add(scrollModeComboBox);
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southBar.add(Box.createHorizontalStrut(30));
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JButton xButton1 = new JButton("Blit Blocker");
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xButton1.setBounds(20, 400, xButton1.getPreferredSize().width, xButton1.getPreferredSize().height);
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JButton xButton2 = new JButton("Blit Blocker");
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xButton2.setBounds(600, 400, xButton2.getPreferredSize().width, xButton2.getPreferredSize().height);
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JButton xButton3 = new JButton("Blit Blocker");
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xButton3.setBounds(800, 400, xButton3.getPreferredSize().width, xButton3.getPreferredSize().height);
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blitBlockCheckBox.addItemListener(e -> {
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boolean isBlockingBlit = e.getStateChange() == ItemEvent.SELECTED;
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JLayeredPane layeredPane = frame.getLayeredPane();
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if(isBlockingBlit) {
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layeredPane.add(xButton1);
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layeredPane.add(xButton2);
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layeredPane.add(xButton3);
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} else {
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layeredPane.remove(xButton1);
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layeredPane.remove(xButton2);
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layeredPane.remove(xButton3);
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}
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layeredPane.revalidate();
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layeredPane.repaint();
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});
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southBar.add(blitBlockCheckBox);
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contentPane.add(southBar, BorderLayout.SOUTH);
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frame.getContentPane().add(contentPane);
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frame.setSize(1200, 800);
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frame.setLocationByPlatform(true);
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frame.setVisible(true);
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}
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}
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