GT-3396 - File Chooser - review fixes

Ghidra/Features/Base/src/main/java/ghidra/app/util/html/HTMLDataTypeRepresentationDiffInput.java

@@ -15,11 +15,12 @@
  */
 package ghidra.app.util.html;
 
-import ghidra.app.util.html.diff.DataTypeDiffInput;
-import ghidra.util.StringUtilities;
-
 import java.util.List;
 
+import org.apache.commons.lang3.StringUtils;
+
+import ghidra.app.util.html.diff.DataTypeDiffInput;
+
 public class HTMLDataTypeRepresentationDiffInput implements DataTypeDiffInput {
 
 	private HTMLDataTypeRepresentation source;
@@ -43,6 +44,6 @@ public class HTMLDataTypeRepresentationDiffInput implements DataTypeDiffInput {
 
 	@Override
 	public String toString() {
-		return source.getClass().getSimpleName() + '\n' + StringUtilities.toString(lines, ",\n");
+		return source.getClass().getSimpleName() + '\n' + StringUtils.join(lines, ",\n");
 	}
 }

Ghidra/Framework/Docking/src/main/java/docking/widgets/AutoLookup.java

@@ -0,0 +1,316 @@
+/* ###
+ * IP: GHIDRA
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package docking.widgets;
+
+import java.awt.event.InputEvent;
+import java.awt.event.KeyEvent;
+
+import org.apache.commons.lang3.StringUtils;
+
+/**
+ * A class that holds the logic and state for finding matching rows in a widget when a user types
+ * in the widget.   This class was designed for row-based widgets, such as tables and lists.
+ */
+public abstract class AutoLookup {
+
+	public static final long KEY_TYPING_TIMEOUT = 800;
+	private static final int MAX_SEARCH_ROWS = 50000;
+	private long keyTimeout = KEY_TYPING_TIMEOUT;
+
+	private AutoLookupItem lastLookup;
+
+	private int lookupColumn = 0;
+
+	/**
+	 * Returns the currently selected row
+	 * @return the row
+	 */
+	public abstract int getCurrentRow();
+
+	/**
+	 * Returns the total number of rows
+	 * @return the row count
+	 */
+	public abstract int getRowCount();
+
+	/**
+	 * Returns a string representation of the item at the given row and column.  The text 
+	 * should match what the user sees.
+	 * 
+	 * @param row the row
+	 * @param col the column
+	 * @return the text
+	 */
+	public abstract String getValueString(int row, int col);
+
+	/**
+	 * Returns true if the given column is sorted.  This class will use a binary search if the
+	 * given column is sorted.  Otherwise, a brute-force search will be used.
+	 * 
+	 * @param column the column 
+	 * @return true if sorted
+	 */
+	public abstract boolean isSorted(int column);
+
+	/**
+	 * Returns true if the currently sorted column is sorted ascending.  This is used in 
+	 * conjunction with {@link #isSorted(int)}.  If that method returns false, then this method
+	 * will not be called. 
+	 * 
+	 * @return true if sorted ascending
+	 */
+	public abstract boolean isSortedAscending();
+
+	/**
+	 * This method will be called when a match for the call to {@link #keyTyped(KeyEvent)} is 
+	 * found
+	 * 
+	 * @param row the matching row
+	 */
+	public abstract void matchFound(int row);
+
+	/**
+	 * Sets the delay between keystrokes after which each keystroke is considered a new lookup
+	 * @param timeout the timeout
+	 */
+	public void setTimeout(long timeout) {
+		keyTimeout = timeout;
+		lastLookup = null;
+	}
+
+	/**
+	 * Sets the column that is searched when a lookup is performed
+	 * @param column the column
+	 */
+	public void setColumn(int column) {
+		this.lookupColumn = column;
+	}
+
+	/**
+	 * Clients call this method when the user types keys
+	 * 
+	 * @param e the key event
+	 */
+	public void keyTyped(KeyEvent e) {
+
+		if (getRowCount() == 0) {
+			return;
+		}
+
+		AutoLookupItem lookup = lastLookup;
+		if (lookup == null) {
+			lookup = new AutoLookupItem();
+		}
+
+		lookup.keyTyped(e);
+		if (lookup.shouldSkip()) {
+			return;
+		}
+
+		int row = lookupText(lookup.getText());
+		lookup.setFoundMatch(row >= 0);
+
+		if (row >= 0) {
+			matchFound(row);
+		}
+
+		lastLookup = lookup;
+	}
+
+	private int lookupText(String text) {
+		if (text == null) {
+			return -1;
+		}
+
+		int row = getCurrentRow();
+		if (row >= 0 && row < getRowCount() - 1) {
+			if (text.length() == 1) {
+				// fresh search; ignore the current row, could be from a previous match
+				++row;
+			}
+
+			int col = lookupColumn;
+			if (textMatches(text, row, col)) {
+				return row;
+			}
+		}
+
+		if (isSorted(lookupColumn)) {
+			return autoLookupBinary(text);
+		}
+		return autoLookupLinear(text);
+	}
+
+	private boolean textMatches(String text, int row, int col) {
+		String value = getValueString(row, col);
+		return StringUtils.startsWithIgnoreCase(value, text);
+	}
+
+	private boolean isIgnorableKeyEvent(KeyEvent event) {
+
+		// ignore modified keys, except for SHIFT
+		if (!isUnmodifiedOrShift(event.getModifiersEx())) {
+			return true;
+		}
+
+		if (event.isActionKey() || event.getKeyChar() == KeyEvent.CHAR_UNDEFINED ||
+			Character.isISOControl(event.getKeyChar())) {
+			return true;
+		}
+
+		return false;
+	}
+
+	private boolean isUnmodifiedOrShift(int modifiers) {
+		if (modifiers == 0) {
+			return true;
+		}
+
+		int shift = InputEvent.SHIFT_DOWN_MASK;
+		return (modifiers | shift) != shift;
+	}
+
+	private int autoLookupLinear(String text) {
+		int max = MAX_SEARCH_ROWS;
+		int rows = getRowCount();
+		int start = getCurrentRow();
+		int counter = 0;
+		int col = lookupColumn;
+
+		// first search from the current row until the last row
+		for (int i = start + 1; i < rows && counter < max; i++, counter++) {
+			if (textMatches(text, i, col)) {
+				return i;
+			}
+		}
+
+		// then wrap the search to be from the beginning to the current row
+		for (int i = 0; i < start && counter < max; i++, counter++) {
+			if (textMatches(text, i, col)) {
+				return i;
+			}
+		}
+		return -1;
+	}
+
+	private int autoLookupBinary(String text) {
+
+		int index = binarySearch(text);
+		int col = lookupColumn;
+		if (textMatches(text, index, col)) {
+			return index;
+		}
+		if (index - 1 >= 0) {
+			if (textMatches(text, index - 1, col)) {
+				return index - 1;
+			}
+		}
+		if (index + 1 < getRowCount()) {
+			if (textMatches(text, index + 1, col)) {
+				return index + 1;
+			}
+		}
+
+		return -1;
+	}
+
+	private int binarySearch(String text) {
+
+		int sortedOrder = 1;
+
+		// if sorted descending, then reverse the search direction and change the lookup text to 
+		// so that a match will come after the range we seek, which is before the desired text
+		// when sorted in reverse
+		if (!isSortedAscending()) {
+			sortedOrder = -1;
+			int lastPos = text.length() - 1;
+			char lastChar = text.charAt(lastPos);
+			++lastChar;
+			text = text.substring(0, lastPos) + lastChar;
+		}
+
+		int min = 0;
+		int rows = getRowCount();
+		int max = rows - 1;
+		int col = lookupColumn;
+		while (min < max) {
+
+			// divide by 2; preserve the sign to prevent possible overflow issue
+			int mid = (min + max) >>> 1;
+			String value = getValueString(mid, col);
+			int compare = text.compareToIgnoreCase(value);
+			compare *= sortedOrder;
+
+			if (compare < 0) {
+				max = mid - 1;
+			}
+			else if (compare > 0) {
+				min = mid + 1;
+			}
+			else { // exact match
+				return mid;
+			}
+		}
+
+		return min;
+	}
+
+	private class AutoLookupItem {
+		private long lastTime;
+		private String text;
+		private boolean foundPreviousMatch;
+		private boolean skip;
+
+		void keyTyped(KeyEvent e) {
+			skip = false;
+
+			if (isIgnorableKeyEvent(e)) {
+				skip = true;
+				return;
+			}
+
+			String eventChar = Character.toString(e.getKeyChar());
+			long when = e.getWhen();
+			if (when - lastTime > keyTimeout) {
+				text = eventChar;
+			}
+			else {
+				text += eventChar;
+
+				if (!foundPreviousMatch) {
+					// The given character is being added to the previous search.  If that search
+					// was fruitless, then so too will be this one, since we use a 
+					// 'starts with' match.
+					skip = true;
+				}
+			}
+
+			lastTime = when;
+		}
+
+		void setFoundMatch(boolean foundMatch) {
+			foundPreviousMatch = foundMatch;
+		}
+
+		String getText() {
+			return text;
+		}
+
+		boolean shouldSkip() {
+			return skip;
+		}
+	}
+}

Ghidra/Framework/Docking/src/main/java/docking/widgets/filechooser/DirectoryList.java

@@ -18,12 +18,10 @@
  */
 package docking.widgets.filechooser;
 
-import static org.apache.commons.lang3.StringUtils.*;
-
 import java.awt.*;
 import java.awt.event.*;
 import java.io.File;
-import java.util.*;
+import java.util.ArrayList;
 import java.util.List;
 
 import javax.swing.*;
@@ -47,10 +45,6 @@ class DirectoryList extends GList<File> implements GhidraFileChooserDirectoryMod
 	private JTextField listEditorField;
 	private JPanel listEditor;
 
-	private long keyTimeout = AUTO_LOOKUP_TIMEOUT;
-	private long lastLookupTime;
-	private String lastLookupText;
-
 	/** The file being edited */
 	private File editedFile;
 
@@ -119,20 +113,7 @@ class DirectoryList extends GList<File> implements GhidraFileChooserDirectoryMod
 				if (e.getKeyCode() == KeyEvent.VK_ENTER) {
 					e.consume();
 					handleEnterKey();
-					return;
 				}
-
-				String eventChar = Character.toString(e.getKeyChar());
-				long when = e.getWhen();
-				if (when - lastLookupTime > keyTimeout) {
-					lastLookupText = eventChar;
-				}
-				else {
-					lastLookupText += eventChar;
-				}
-
-				lastLookupTime = when;
-				lookupText(lastLookupText);
 			}
 		});
 
@@ -210,75 +191,6 @@ class DirectoryList extends GList<File> implements GhidraFileChooserDirectoryMod
 		add(listEditor);
 	}
 
-	private void lookupText(String text) {
-		if (text == null) {
-			return;
-		}
-
-		int row = getSelectedIndex();
-		int rows = getModel().getSize();
-		if (row >= 0 && row < rows - 1) {
-			if (text.length() == 1) {
-				// fresh search; ignore the current row, could be from a previous match
-				++row;
-			}
-
-			File file = getModel().getElementAt(row);
-			String name = chooser.getDisplayName(file);
-			if (!name.isEmpty() && startsWithIgnoreCase(name, text)) {
-				setSelectedFile(getFile(row));
-				return;
-			}
-		}
-
-		int index = autoLookupBinary(text);
-		if (index >= 0) {
-			setSelectedFile(getFile(index));
-		}
-	}
-
-	private int autoLookupBinary(String text) {
-
-		// caveat: for this search to work, the data must be ascending sorted
-		List<File> files = model.getAllFiles();
-		File key = new File(lastLookupText);
-		Comparator<File> comparator = (f1, f2) -> {
-			String n1 = chooser.getDisplayName(f1);
-			return compareIgnoreCase(n1, text);
-		};
-
-		int index = Collections.binarySearch(files, key, comparator);
-		if (index < 0) {
-			index = -index - 1;
-		}
-
-		File file = files.get(index);
-		String name = chooser.getDisplayName(file);
-		if (startsWithIgnoreCase(name, text)) {
-			return index;
-		}
-
-		int before = index - 1;
-		if (before >= 0) {
-			file = files.get(before);
-			name = chooser.getDisplayName(file);
-			if (startsWithIgnoreCase(name, text)) {
-				return before;
-			}
-		}
-
-		int after = index + 1;
-		if (after < files.size()) {
-			file = files.get(after);
-			name = chooser.getDisplayName(file);
-			if (startsWithIgnoreCase(name, text)) {
-				return after;
-			}
-		}
-
-		return -1;
-	}
-
 	private void handleEnterKey() {
 
 		int[] selectedIndices = getSelectedIndices();
@@ -388,17 +300,6 @@ class DirectoryList extends GList<File> implements GhidraFileChooserDirectoryMod
 		}
 	}
 
-	/**
-	 * Sets the delay between keystrokes after which each keystroke is considered a new lookup
-	 * @param timeout the timeout
-	 * @see #AUTO_LOOKUP_TIMEOUT
-	 */
-	public void setAutoLookupTimeout(long timeout) {
-		keyTimeout = timeout;
-		lastLookupText = null;
-		lastLookupTime = 0;
-	}
-
 	void setSelectedFiles(Iterable<File> files) {
 
 		List<Integer> indexes = new ArrayList<>();

Ghidra/Framework/Docking/src/main/java/docking/widgets/filechooser/GhidraFileChooser.java

@@ -39,8 +39,7 @@ import docking.widgets.list.GListCellRenderer;
 import ghidra.framework.OperatingSystem;
 import ghidra.framework.Platform;
 import ghidra.framework.preferences.Preferences;
-import ghidra.util.Msg;
-import ghidra.util.SystemUtilities;
+import ghidra.util.*;
 import ghidra.util.exception.AssertException;
 import ghidra.util.filechooser.*;
 import ghidra.util.layout.PairLayout;
@@ -142,8 +141,11 @@ public class GhidraFileChooser extends DialogComponentProvider
 	private static boolean initialized;
 	private static List<RecentGhidraFile> recentList = new ArrayList<>();
 
-	private HistoryList<File> history = new HistoryList<>(20, dir -> {
-		updateDirAndSelectFile(dir, null, false, false);
+	private HistoryList<HistoryEntry> history = new HistoryList<>(20, (files, previous) -> {
+
+		updateHistoryWithSelectedFiles(previous);
+
+		updateDirAndSelectFile(files.parentDir, files.getSelectedFile(), false, false);
 		updateNavigationButtons();
 	});
 	private File initialFile = null;
@@ -196,6 +198,15 @@ public class GhidraFileChooser extends DialogComponentProvider
 	private boolean multiSelectionEnabled;
 	private FileChooserActionManager actionManager;
 
+	/**
+	 * The last input component to take focus (the text field or file view). 
+	 * 
+	 * <p>This may annoy users that are using the keyboard to perform navigation operations via 
+	 * the toolbar buttons, as we will keep putting focus back into the last input item.  We
+	 * may need a way to set this field to null when the user is working in this fashion.
+	 */
+	private Component lastInputFocus;
+
 	private Worker worker = Worker.createGuiWorker();
 
 	private GFileChooserOptionsDialog optionsDialog = new GFileChooserOptionsDialog();
@@ -376,6 +387,13 @@ public class GhidraFileChooser extends DialogComponentProvider
 			}
 		});
 
+		filenameTextField.addFocusListener(new FocusAdapter() {
+			@Override
+			public void focusGained(FocusEvent e) {
+				lastInputFocus = filenameTextField;
+			}
+		});
+
 		// This is a callback when the user has made a choice from the selection window.
 		selectionListener = new SelectionListener<>();
 		filenameTextField.addDropDownSelectionChoiceListener(selectionListener);
@@ -558,6 +576,13 @@ public class GhidraFileChooser extends DialogComponentProvider
 		directoryList.setName("LIST");
 		directoryList.setBackground(BACKGROUND_COLOR);
 
+		directoryList.addFocusListener(new FocusAdapter() {
+			@Override
+			public void focusGained(FocusEvent e) {
+				lastInputFocus = directoryList;
+			}
+		});
+
 		directoryScroll = new JScrollPane(directoryList);
 		directoryScroll.getViewport().setBackground(BACKGROUND_COLOR);
 		directoryScroll.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_NEVER);
@@ -1140,10 +1165,9 @@ public class GhidraFileChooser extends DialogComponentProvider
 		// SCR 4513 - exception if we don't cancel edits before changing the display
 		cancelEdits();
 
-		SystemUtilities.runSwingNow(() -> {
-			if (addToHistory) {
-				addToBackHistory(directory);
-			}
+		Swing.runNow(() -> {
+			updateHistory(directory, addToHistory);
+
 			if (directory.equals(MY_COMPUTER) || directory.equals(RECENT)) {
 				currentPathTextField.setText(getFilename(directory));
 			}
@@ -1172,6 +1196,10 @@ public class GhidraFileChooser extends DialogComponentProvider
 	}
 
 	private void doSetSelectedFileAndUpdateDisplay(File file) {
+		if (lastInputFocus != null) {
+			lastInputFocus.requestFocusInWindow();
+		}
+
 		if (file == null) {
 			return;
 		}
@@ -1327,7 +1355,7 @@ public class GhidraFileChooser extends DialogComponentProvider
 	 * Displays the WAIT panel. It handles the Swing thread issues.
 	 */
 	private void setWaitPanelVisible(final boolean visible) {
-		SystemUtilities.runSwingLater(() -> {
+		Swing.runLater(() -> {
 			if (visible) {
 				card.show(cardPanel, CARD_WAIT);
 			}
@@ -1350,23 +1378,38 @@ public class GhidraFileChooser extends DialogComponentProvider
 		upLevelButton.setEnabled(enable);
 	}
 
-	private void addToBackHistory(File dir) {
+	private void updateHistoryWithSelectedFiles(HistoryEntry historyEntry) {
 
 		File currentDir = currentDirectory();
+		File selectedFile = selectedFiles.getFile();
+		historyEntry.setSelectedFile(currentDir, selectedFile);
+	}
+
+	private void updateHistory(File dir, boolean addToHistory) {
+
 		if (!directoryExistsOrIsLogicalDirectory(dir)) {
 			return;
 		}
 
-		if (dir.equals(currentDir)) {
+		HistoryEntry historyEntry = history.getCurrentHistoryItem();
+		if (historyEntry != null) {
+
+			updateHistoryWithSelectedFiles(historyEntry);
+
+			if (historyEntry.isSameDir(dir)) {
+				// already recorded in history
 				return;
 			}
-
-		history.add(dir);
-		updateNavigationButtons();
 		}
 
-	/*package*/ HistoryList<File> getHistory() {
-		return history;
+		if (addToHistory) {
+			history.add(new HistoryEntry(dir, null));
+			updateNavigationButtons();
+		}
+	}
+
+	/*package*/ int getHistorySize() {
+		return history.size();
 	}
 
 	/** Returns true if the file exists on disk OR if it is a logical dir, like 'My Computer'  */
@@ -1429,6 +1472,13 @@ public class GhidraFileChooser extends DialogComponentProvider
 		directoryTable.setName("TABLE");
 		directoryTable.setBackground(BACKGROUND_COLOR);
 
+		directoryTable.addFocusListener(new FocusAdapter() {
+			@Override
+			public void focusGained(FocusEvent e) {
+				lastInputFocus = directoryTable;
+			}
+		});
+
 		JScrollPane scrollPane = new JScrollPane(directoryTable);
 		scrollPane.getViewport().setBackground(BACKGROUND_COLOR);
 		return scrollPane;
@@ -1851,6 +1901,20 @@ public class GhidraFileChooser extends DialogComponentProvider
 		return showDetails;
 	}
 
+	String getInvalidFilenameMessage(String filename) {
+		switch (filename) {
+			case ".":
+			case "..":
+				return "Reserved name '" + filename + "'";
+			default:
+				Matcher m = GhidraFileChooser.INVALID_FILENAME_PATTERN.matcher(filename);
+				if (m.find()) {
+					return "Invalid characters: " + m.group();
+				}
+		}
+		return null;
+	}
+
 //==================================================================================================
 // Inner Classes
 //==================================================================================================
@@ -2105,19 +2169,57 @@ public class GhidraFileChooser extends DialogComponentProvider
 		public synchronized File getFile() {
 			return files.get(0);
 		}
+
+		@Override
+		public String toString() {
+			return files.toString();
+		}
 	}
 
-	String getInvalidFilenameMessage(String filename) {
-		switch (filename) {
-			case ".":
-			case "..":
-				return "Reserved name '" + filename + "'";
-			default:
-				Matcher m = GhidraFileChooser.INVALID_FILENAME_PATTERN.matcher(filename);
-				if (m.find()) {
-					return "Invalid characters: " + m.group();
+	/**
+	 * Container class to manage history entries for a directory and any selected file
+	 */
+	private class HistoryEntry {
+		private File parentDir;
+		private File selectedFile;
+
+		HistoryEntry(File parentDir, File selectedFile) {
+			this.parentDir = parentDir;
+			this.selectedFile = selectedFile;
+		}
+
+		boolean isSameDir(File dir) {
+			return dir.equals(parentDir);
+		}
+
+		void setSelectedFile(File dir, File selectedFile) {
+			if (!parentDir.equals(dir)) {
+				// not my dir; don't save the selection
+				return;
+			}
+
+			if (selectedFile == null) {
+				// nothing to save
+				return;
+			}
+
+			File selectedParent = selectedFile.getParentFile();
+			if (parentDir.equals(selectedParent)) {
+				this.selectedFile = selectedFile;
 			}
 		}
-		return null;
+
+		File getSelectedFile() {
+			return selectedFile;
+		}
+
+		@Override
+		public String toString() {
+			String selectedFilesText = "";
+			if (selectedFile != null) {
+				selectedFilesText = " *" + selectedFile;
+			}
+			return parentDir.getName() + selectedFilesText;
+		}
 	}
 }

Ghidra/Framework/Docking/src/main/java/docking/widgets/list/GList.java

@@ -15,12 +15,15 @@
  */
 package docking.widgets.list;
 
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
 import java.util.Vector;
 
 import javax.swing.*;
+import javax.swing.text.Position.Bias;
 
+import docking.widgets.AutoLookup;
 import docking.widgets.GComponent;
-import docking.widgets.table.GTable;
 
 /**
  * A sub-class of JList that provides an auto-lookup feature.
@@ -35,8 +38,7 @@ import docking.widgets.table.GTable;
  */
 public class GList<T> extends JList<T> implements GComponent {
 
-	/**The timeout for the auto-lookup feature*/
-	public static final long AUTO_LOOKUP_TIMEOUT = GTable.AUTO_LOOKUP_TIMEOUT;
+	private GListAutoLookup<T> autoLookup = new GListAutoLookup<T>(this);
 
 	/**
 	 * Constructs a <code>GhidraList</code> with an empty model.
@@ -86,5 +88,28 @@ public class GList<T> extends JList<T> implements GComponent {
 			GComponent.setHTMLRenderingFlag((JComponent) getCellRenderer(), false);
 		}
 		addListSelectionListener(e -> ensureIndexIsVisible(getSelectedIndex()));
+
+		addKeyListener(new KeyAdapter() {
+			@Override
+			public void keyReleased(KeyEvent e) {
+				autoLookup.keyTyped(e);
+			}
+		});
+	}
+
+	/**
+	 * Sets the delay between keystrokes after which each keystroke is considered a new lookup
+	 * @param timeout the timeout
+	 * @see AutoLookup#KEY_TYPING_TIMEOUT
+	 */
+	public void setAutoLookupTimeout(long timeout) {
+		autoLookup.setTimeout(timeout);
+	}
+
+	@Override
+	public int getNextMatch(String prefix, int startIndex, Bias bias) {
+		// disable the default lookup algorithm, as it does not use the renderer, but 
+		// only the object's toString(), which will not always match what the user sees on screen
+		return -1;
 	}
 }

Ghidra/Framework/Docking/src/main/java/docking/widgets/list/GListAutoLookup.java

@@ -0,0 +1,75 @@
+/* ###
+ * IP: GHIDRA
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package docking.widgets.list;
+
+import java.awt.Component;
+
+import javax.swing.JLabel;
+import javax.swing.ListCellRenderer;
+
+import docking.widgets.AutoLookup;
+
+/**
+ * {@link AutoLookup} implementation for {@link GList}s
+ *
+ * @param <T> the row type
+ */
+public class GListAutoLookup<T> extends AutoLookup {
+
+	private GList<T> list;
+
+	public GListAutoLookup(GList<T> list) {
+		this.list = list;
+	}
+
+	@Override
+	public int getCurrentRow() {
+		return list.getSelectedIndex();
+	}
+
+	@Override
+	public int getRowCount() {
+		return list.getModel().getSize();
+	}
+
+	@Override
+	public String getValueString(int row, int col) {
+		ListCellRenderer<? super T> renderer = list.getCellRenderer();
+		T value = list.getModel().getElementAt(row);
+		if (!(renderer instanceof JLabel)) {
+			return value.toString();
+		}
+
+		Component c = renderer.getListCellRendererComponent(list, value, row, false, false);
+		return ((JLabel) c).getText();
+	}
+
+	@Override
+	public boolean isSorted(int column) {
+		return true;
+	}
+
+	@Override
+	public boolean isSortedAscending() {
+		return true;
+	}
+
+	@Override
+	public void matchFound(int row) {
+		list.setSelectedIndex(row);
+	}
+
+}

Ghidra/Framework/Docking/src/main/java/docking/widgets/table/GTable.java

@@ -29,12 +29,11 @@ import javax.swing.*;
 import javax.swing.event.*;
 import javax.swing.table.*;
 
-import org.apache.commons.lang3.StringUtils;
-
 import docking.*;
 import docking.action.*;
 import docking.actions.KeyBindingUtils;
 import docking.actions.ToolActions;
+import docking.widgets.AutoLookup;
 import docking.widgets.OptionDialog;
 import docking.widgets.dialogs.SettingsDialog;
 import docking.widgets.filechooser.GhidraFileChooser;
@@ -84,15 +83,11 @@ public class GTable extends JTable {
 	private static final String LAST_EXPORT_FILE = "LAST_EXPORT_DIR";
 	private static final KeyStroke ESCAPE = KeyStroke.getKeyStroke("ESCAPE");
 
-	public static final long AUTO_LOOKUP_TIMEOUT = 800;
-	private static final int AUTO_LOOKUP_MAX_SEARCH_ROWS = 50000;
-	private long keyTimeout = AUTO_LOOKUP_TIMEOUT;
-
 	private boolean isInitialized;
 	private boolean enableActionKeyBindings;
 	private KeyListener autoLookupListener;
-	private AutoLookupResult lastLookup;
-	private int lookupColumn = -1;
+
+	private GTableAutoLookup autoLookup = new GTableAutoLookup(this);
 
 	/** A list of default renderers created by this table */
 	protected List<TableCellRenderer> defaultGTableRendererList = new ArrayList<>();
@@ -276,144 +271,14 @@ public class GTable extends JTable {
 		}
 	}
 
-	private String getValueString(int row, int col) {
-		TableCellRenderer renderer = getCellRenderer(row, col);
-		if (renderer instanceof JLabel) {
-			prepareRenderer(renderer, row, col);
-			return ((JLabel) renderer).getText();
-		}
-
-		Object obj = getValueAt(row, col);
-		return obj == null ? null : obj.toString();
-	}
-
-	private int lookupText(String text) {
-		if (text == null) {
-			return -1;
-		}
-
-		int row = getSelectedRow();
-		if (row >= 0 && row < getRowCount() - 1) {
-			if (text.length() == 1) {
-				// fresh search; ignore the current row, could be from a previous match
-				++row;
-			}
-
-			int col = convertColumnIndexToView(lookupColumn);
-			if (textMatches(text, row, col)) {
-				return row;
-			}
-		}
-
-		if (dataModel instanceof SortedTableModel) {
-			SortedTableModel sortedModel = (SortedTableModel) dataModel;
-			if (lookupColumn == sortedModel.getPrimarySortColumnIndex()) {
-				return autoLookupBinary(sortedModel, text);
-			}
-		}
-		return autoLookupLinear(text);
-	}
-
-	private boolean textMatches(String text, int row, int col) {
-		String value = getValueString(row, col);
-		return StringUtils.startsWithIgnoreCase(value, text);
-	}
-
-	private int autoLookupLinear(String text) {
-		int max = AUTO_LOOKUP_MAX_SEARCH_ROWS;
-		int rows = getRowCount();
-		int start = getSelectedRow();
-		int counter = 0;
-		int col = convertColumnIndexToView(lookupColumn);
-
-		// first search from the current row until the last row
-		for (int i = start + 1; i < rows && counter < max; i++, counter++) {
-			if (textMatches(text, i, col)) {
-				return i;
-			}
-		}
-
-		// then wrap the search to be from the beginning to the current row
-		for (int i = 0; i < start && counter < max; i++, counter++) {
-			if (textMatches(text, i, col)) {
-				return i;
-			}
-		}
-		return -1;
-	}
-
-	private int autoLookupBinary(SortedTableModel model, String text) {
-
-		int index = binarySearch(model, text);
-		int col = convertColumnIndexToView(lookupColumn);
-		if (textMatches(text, index, col)) {
-			return index;
-		}
-		if (index - 1 >= 0) {
-			if (textMatches(text, index - 1, col)) {
-				return index - 1;
-			}
-		}
-		if (index + 1 < model.getRowCount()) {
-			if (textMatches(text, index + 1, col)) {
-				return index + 1;
-			}
-		}
-
-		return -1;
-	}
-
-	private int binarySearch(SortedTableModel model, String text) {
-
-		int sortedOrder = 1;
-		int primarySortColumnIndex = model.getPrimarySortColumnIndex();
-		TableSortState columnSortState = model.getTableSortState();
-		ColumnSortState sortState = columnSortState.getColumnSortState(primarySortColumnIndex);
-
-		// if sorted descending, then reverse the search direction and change the lookup text to 
-		// so that a match will come after the range we seek, which is before the desired text
-		// when sorted in reverse
-		if (!sortState.isAscending()) {
-			sortedOrder = -1;
-			int lastPos = text.length() - 1;
-			char lastChar = text.charAt(lastPos);
-			++lastChar;
-			text = text.substring(0, lastPos) + lastChar;
-		}
-
-		int min = 0;
-		int rows = model.getRowCount();
-		int max = rows - 1;
-		int col = convertColumnIndexToView(lookupColumn);
-		while (min < max) {
-			int mid = (min + max) / 2;
-			String value = getValueString(mid, col);
-			int compare = text.compareToIgnoreCase(value);
-			compare *= sortedOrder;
-
-			if (compare < 0) {
-				max = mid - 1;
-			}
-			else if (compare > 0) {
-				min = mid + 1;
-			}
-			else { // exact match
-				return mid;
-			}
-		}
-
-		return min;
-	}
-
 	/**
 	 * Sets the delay between keystrokes after which each keystroke is considered a new lookup
 	 * @param timeout the timeout
 	 * @see #setAutoLookupColumn(int)
-	 * @see #AUTO_LOOKUP_TIMEOUT
+	 * @see AutoLookup#KEY_TYPING_TIMEOUT
 	 */
 	public void setAutoLookupTimeout(long timeout) {
-		keyTimeout = timeout;
-		lastLookup = null;
+		autoLookup.setTimeout(timeout);
 	}
 
 	/**
@@ -426,7 +291,7 @@ public class GTable extends JTable {
 	 * @param lookupColumn the column in which auto-lookup will be enabled
 	 */
 	public void setAutoLookupColumn(int lookupColumn) {
-		this.lookupColumn = lookupColumn;
+		autoLookup.setColumn(convertColumnIndexToView(lookupColumn));
 
 		if (autoLookupListener == null) {
 			autoLookupListener = new KeyAdapter() {
@@ -441,25 +306,7 @@ public class GTable extends JTable {
 						return;
 					}
 
-					AutoLookupResult lookup = lastLookup;
-					if (lookup == null) {
-						lookup = new AutoLookupResult();
-					}
-
-					lookup.keyTyped(e);
-					if (lookup.shouldSkip()) {
-						return;
-					}
-
-					int row = lookupText(lookup.getText());
-					lookup.setFoundMatch(row >= 0);
-					if (row >= 0) {
-						setRowSelectionInterval(row, row);
-						Rectangle rect = getCellRect(row, 0, false);
-						scrollRectToVisible(rect);
-					}
-
-					lastLookup = lookup;
+					autoLookup.keyTyped(e);
 				}
 			};
 		}
@@ -473,30 +320,6 @@ public class GTable extends JTable {
 		}
 	}
 
-	private boolean isIgnorableKeyEvent(KeyEvent event) {
-
-		// ignore modified keys, except for SHIFT
-		if (!isUnmodifiedOrShift(event.getModifiersEx())) {
-			return true;
-		}
-
-		if (event.isActionKey() || event.getKeyChar() == KeyEvent.CHAR_UNDEFINED ||
-			Character.isISOControl(event.getKeyChar())) {
-			return true;
-		}
-
-		return false;
-	}
-
-	private boolean isUnmodifiedOrShift(int modifiers) {
-		if (modifiers == 0) {
-			return true;
-		}
-
-		int shift = InputEvent.SHIFT_DOWN_MASK;
-		return (modifiers | shift) != shift;
-	}
-
 	/**
 	 * Enables the keyboard actions to pass through this table and up the component hierarchy.
 	 * Specifically, passing true to this method allows unmodified keystrokes to work
@@ -1575,50 +1398,4 @@ public class GTable extends JTable {
 			return sourceComponent instanceof GTable;
 		}
 	}
-
-	private class AutoLookupResult {
-		private long lastTime;
-		private String text;
-		private boolean foundPreviousMatch;
-		private boolean skip;
-
-		public void keyTyped(KeyEvent e) {
-			skip = false;
-
-			if (isIgnorableKeyEvent(e)) {
-				skip = true;
-				return;
-			}
-
-			String eventChar = Character.toString(e.getKeyChar());
-			long when = e.getWhen();
-			if (when - lastTime > keyTimeout) {
-				text = eventChar;
-			}
-			else {
-				text += eventChar;
-
-				if (!foundPreviousMatch) {
-					// The given character is being added to the previous search.  If that search
-					// was fruitless, then so too will be this one, since we use a 
-					// 'starts with' match.
-					skip = true;
-				}
-			}
-
-			lastTime = when;
-		}
-
-		void setFoundMatch(boolean foundMatch) {
-			foundPreviousMatch = foundMatch;
-		}
-
-		String getText() {
-			return text;
-		}
-
-		boolean shouldSkip() {
-			return skip;
-		}
-	}
 }

Ghidra/Framework/Docking/src/main/java/docking/widgets/table/GTableAutoLookup.java

@@ -0,0 +1,79 @@
+/* ###
+ * IP: GHIDRA
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package docking.widgets.table;
+
+import java.awt.Rectangle;
+
+import javax.swing.JLabel;
+import javax.swing.table.TableCellRenderer;
+
+import docking.widgets.AutoLookup;
+
+/**
+ * {@link AutoLookup} implementation for {@link GTable}s
+ */
+public class GTableAutoLookup extends AutoLookup {
+
+	private GTable table;
+
+	GTableAutoLookup(GTable table) {
+		this.table = table;
+	}
+
+	@Override
+	public int getCurrentRow() {
+		return table.getSelectedRow();
+	}
+
+	@Override
+	public int getRowCount() {
+		return table.getRowCount();
+	}
+
+	@Override
+	public String getValueString(int row, int col) {
+		TableCellRenderer renderer = table.getCellRenderer(row, col);
+		if (renderer instanceof JLabel) {
+			table.prepareRenderer(renderer, row, col);
+			return ((JLabel) renderer).getText();
+		}
+
+		Object obj = table.getValueAt(row, col);
+		return obj == null ? null : obj.toString();
+	}
+
+	@Override
+	public boolean isSorted(int column) {
+		SortedTableModel sortedModel = (SortedTableModel) table.getModel();
+		return column == sortedModel.getPrimarySortColumnIndex();
+	}
+
+	@Override
+	public boolean isSortedAscending() {
+		SortedTableModel model = (SortedTableModel) table.getModel();
+		int primarySortColumnIndex = model.getPrimarySortColumnIndex();
+		TableSortState columnSortState = model.getTableSortState();
+		ColumnSortState sortState = columnSortState.getColumnSortState(primarySortColumnIndex);
+		return sortState.isAscending();
+	}
+
+	@Override
+	public void matchFound(int row) {
+		table.setRowSelectionInterval(row, row);
+		Rectangle rect = table.getCellRect(row, 0, false);
+		table.scrollRectToVisible(rect);
+	}
+}

Ghidra/Framework/Docking/src/test.slow/java/docking/widgets/filechooser/GhidraFileChooserTest.java

@@ -59,7 +59,6 @@ import ghidra.util.filechooser.ExtensionFileFilter;
 import ghidra.util.filechooser.GhidraFileChooserModel;
 import ghidra.util.worker.Worker;
 import util.CollectionUtils;
-import util.HistoryList;
 import utilities.util.FileUtilities;
 
 public class GhidraFileChooserTest extends AbstractDockingTest {
@@ -123,7 +122,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		setFile(testDir);
 
 		for (int i = files.size() - 1; i >= 0; --i) {
-			pressBackButton();
+			pressBack();
 			File parentFile = files.get(i).getParentFile();
 			waitForChooser();
 			assertEquals(
@@ -148,8 +147,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 	public void testBackForSCR_3392() throws Exception {
 		File currentDirectory = getCurrentDirectory();
 
-		pressButtonByName(chooser.getComponent(), "MY_COMPUTER_BUTTON", false);
-		waitForChooser();
+		pressMyComputer();
 
 		File newCurrentDirectory = getCurrentDirectory();
 		assertFalse(currentDirectory.equals(newCurrentDirectory));
@@ -157,7 +155,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		JButton backButton = (JButton) getInstanceField("backButton", chooser);
 		assertTrue(backButton.isEnabled());
 
-		pressBackButton();
+		pressBack();
 		waitForChooser();
 
 		newCurrentDirectory = getCurrentDirectory();
@@ -190,12 +188,12 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		waitForChooser();
 
 		// back should now go to the 'home' dir
-		pressBackButton();
+		pressBack();
 		waitForChooser();
 		assertEquals("Did not go back to the home directory", homeDir, getCurrentDirectory());
 
 		// finally,  go back to the start dir
-		pressBackButton();
+		pressBack();
 		waitForChooser();
 		assertEquals("Did not go back to the start directory", startDir.getParentFile(),
 			getCurrentDirectory());
@@ -257,9 +255,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 			(JTextField) findComponentByName(chooser.getComponent(), "LIST_EDITOR_FIELD");
 		assertNotNull(editorField);
 
-		// Now, press the "My Computer" button...
-		pressButtonByName(chooser.getComponent(), "MY_COMPUTER_BUTTON", false);
-		waitForChooser();
+		pressMyComputer();
 
 		// Next, double-click the root drive entry
 		DirectoryListModel model = (DirectoryListModel) dirlist.getModel();
@@ -403,8 +399,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 	public void testRefresh() throws Exception {
 		setDir(tempdir);
 
-		HistoryList<File> history = chooser.getHistory();
-		int size = history.size();
+		int size = chooser.getHistorySize();
 
 		File tempfile = File.createTempFile(getName(), ".tmp", tempdir);
 		tempfile.deleteOnExit();
@@ -413,18 +408,18 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		DirectoryListModel dirmodel = (DirectoryListModel) dirlist.getModel();
 		assertFalse(dirmodel.contains(tempfile));
 
-		pressRefreshButton();
+		pressRefresh();
 		waitForChooser();
 
 		assertTrue(dirmodel.contains(tempfile));
 		assertTrue(tempfile.delete());
-		pressRefreshButton();
+		pressRefresh();
 		waitForChooser();
 
 		assertFalse(dirmodel.contains(tempfile));
 
 		// verify back stack is not corrupted!!!
-		assertEquals(size, history.size());
+		assertEquals(size, size = chooser.getHistorySize());
 	}
 
 	// refresh was navigating into the selected directory
@@ -447,7 +442,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		});
 
 		// press refresh
-		pressRefreshButton();
+		pressRefresh();
 		waitForFile(newFile, DEFAULT_TIMEOUT_MILLIS);
 
 		// verify we did not go into the selected directory
@@ -961,7 +956,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 	@Test
 	public void testShowDetails() throws Exception {
 		JPanel cardPanel = (JPanel) findComponentByName(chooser.getComponent(), "CARD_PANEL");
-		JList<?> dirlist = (JList<?>) findComponentByName(chooser.getComponent(), "LIST");
+		DirectoryList dirlist = getListView();
 		JTable dirtable = getTableView();
 		JScrollPane scrollpane1 = (JScrollPane) cardPanel.getComponent(0);
 		JScrollPane scrollpane2 = (JScrollPane) cardPanel.getComponent(1);
@@ -1048,8 +1043,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		}
 
 		setMode(DIRECTORIES_ONLY);
-		pressButtonByName(chooser.getComponent(), "RECENT_BUTTON", false);
-		waitForChooser();
+		pressRecent();
 
 		// make a selection
 		File fileToSelect = files.get(0).getParentFile();
@@ -1067,9 +1061,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		// make sure the user cannot type in relative filenames when in a special dir (like
 		// Recent and My Computer)
 
-		// press the recent button
-		pressButtonByName(chooser.getComponent(), "RECENT_BUTTON", false);
-		waitForChooser();
+		pressRecent();
 
 		setFilenameFieldText("foo");
 
@@ -1078,8 +1070,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		assertTrue("The file chooser accepted an invalid file parented by the RECENTs directory",
 			chooser.isShowing());
 
-		pressButtonByName(chooser.getComponent(), "MY_COMPUTER_BUTTON", false);
-		waitForChooser();
+		pressMyComputer();
 
 		setFilenameFieldText("foo");
 
@@ -1340,10 +1331,9 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 
 	@Test
 	public void testMyComputer() throws Exception {
-		pressButtonByName(chooser.getComponent(), "MY_COMPUTER_BUTTON", false);
-		waitForChooser();
+		pressMyComputer();
 
-		JList<?> dirlist = (JList<?>) findComponentByName(chooser.getComponent(), "LIST");
+		DirectoryList dirlist = getListView();
 		DirectoryListModel listModel = (DirectoryListModel) dirlist.getModel();
 		File[] roots = chooser.getModel().getRoots();
 		assertEquals(roots.length, listModel.getSize());
@@ -1455,7 +1445,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 			getCurrentDirectory());
 
 		// check the chooser contents
-		JList<?> dirlist = (JList<?>) findComponentByName(chooser.getComponent(), "LIST");
+		DirectoryList dirlist = getListView();
 		DirectoryListModel listModel = (DirectoryListModel) dirlist.getModel();
 		File[] listing = chooser.getModel().getListing(homeDir, null);
 		assertEquals(listing.length, listModel.getSize());
@@ -1473,10 +1463,9 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 			show();
 		}
 
-		pressButtonByName(chooser.getComponent(), "RECENT_BUTTON", false);
-		waitForChooser();
+		pressRecent();
 
-		JList<?> dirlist = (JList<?>) findComponentByName(chooser.getComponent(), "LIST");
+		DirectoryList dirlist = getListView();
 		DirectoryListModel listModel = (DirectoryListModel) dirlist.getModel();
 		for (File element : files) {
 			assertTrue("model does not contain the recent file: " + element.getParentFile(),
@@ -1504,8 +1493,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 			show();
 		}
 
-		pressButtonByName(chooser.getComponent(), "RECENT_BUTTON", false);
-		waitForChooser();
+		pressRecent();
 
 		// must re-retrieve the action, since we created a new chooser
 		actionManager = chooser.getActionManager();
@@ -1531,7 +1519,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 
 	@Test
 	public void testFileFilter() throws Exception {
-		JList<?> dirlist = (JList<?>) findComponentByName(chooser.getComponent(), "LIST");
+		DirectoryList dirlist = getListView();
 		DirectoryListModel listModel = (DirectoryListModel) dirlist.getModel();
 		runSwing(() -> chooser.setFileFilter(new ExtensionFileFilter("exe", "Executables")));
 
@@ -1642,7 +1630,7 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		showMultiSelectionChooser(files.parent, FILES_ONLY);
 
 		setTableMode();
-		GTable table = getTableView();
+		DirectoryTable table = getTableView();
 		int testTimeoutMs = 100;
 		table.setAutoLookupTimeout(testTimeoutMs);
 
@@ -1733,6 +1721,42 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		assertSelectedIndex(list, 0);
 	}
 
+	@Test
+	public void testFocus_FilesViewStaysFocusedAfterRefresh() throws Exception {
+
+		DirectoryList list = getListView();
+		focus(list);
+
+		clickMyComputer();
+		assertTrue(list.hasFocus());
+
+		clickRecent();
+		assertTrue(list.hasFocus());
+
+		clickBack();
+		assertTrue(list.hasFocus());
+	}
+
+	@Test
+	public void testHistoryRestoresSelectedFiles() throws Exception {
+
+		File startDir = createTempDir();
+		setDir(startDir);
+		createFileSubFile(startDir, 3);
+
+		pressUp();
+		selectFile(getListView(), 1);
+
+		pressUp();
+		selectFile(getListView(), 2);
+
+		pressBack();
+		assertSelectedIndex(getListView(), 1);
+
+		pressForward();
+		assertSelectedIndex(getListView(), 2);
+	}
+
 	@Test
 	public void testGetSelectedFiles_FileOnlyMode_FileSelected() throws Exception {
 
@@ -1892,12 +1916,14 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		assertEquals("Wrong table row selected", expected, actual);
 	}
 
-	private void selectFile(DirectoryList list, int index) {
+	private File selectFile(DirectoryList list, int index) {
 		runSwing(() -> list.setSelectedIndex(index));
+		return runSwing(() -> list.getSelectedFile());
 	}
 
-	private void selectFile(GTable table, int index) {
+	private File selectFile(DirectoryTable table, int index) {
 		runSwing(() -> table.getSelectionModel().setSelectionInterval(index, index));
+		return runSwing(() -> table.getSelectedFile());
 	}
 
 	private void focus(Component c) {
@@ -1970,6 +1996,37 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		waitForSwing();
 	}
 
+	private void pressMyComputer() throws Exception {
+		pressButtonByName(chooser.getComponent(), "MY_COMPUTER_BUTTON", false);
+		waitForChooser();
+	}
+
+	private void clickMyComputer() throws Exception {
+		AbstractButton button =
+			(AbstractButton) findComponentByName(chooser.getComponent(), "MY_COMPUTER_BUTTON");
+		leftClick(button, 5, 5);
+		waitForChooser();
+	}
+
+	private void clickRecent() throws Exception {
+		AbstractButton button =
+			(AbstractButton) findComponentByName(chooser.getComponent(), "RECENT_BUTTON");
+		leftClick(button, 5, 5);
+		waitForChooser();
+	}
+
+	private void clickBack() throws Exception {
+		AbstractButton button =
+			(AbstractButton) findComponentByName(chooser.getComponent(), "BACK_BUTTON");
+		leftClick(button, 5, 5);
+		waitForChooser();
+	}
+
+	private void pressRecent() throws Exception {
+		pressButtonByName(chooser.getComponent(), "RECENT_BUTTON", false);
+		waitForChooser();
+	}
+
 	private void pressHome() {
 		pressButtonByName(chooser.getComponent(), "HOME_BUTTON", false);
 		waitForSwing();
@@ -1985,14 +2042,27 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		waitForSwing();
 	}
 
-	private void pressRefreshButton() {
+	private void pressRefresh() {
 		pressButtonByName(chooser.getComponent(), "REFRESH_BUTTON");
 		waitForSwing();
 	}
 
-	private void pressBackButton() {
+	private void pressBack() throws Exception {
 		pressButtonByName(chooser.getComponent(), "BACK_BUTTON");
 		waitForSwing();
+		waitForChooser();
+	}
+
+	private void pressForward() throws Exception {
+		pressButtonByName(chooser.getComponent(), "FORWARD_BUTTON");
+		waitForSwing();
+		waitForChooser();
+	}
+
+	private void pressUp() throws Exception {
+		pressButtonByName(chooser.getComponent(), "UP_BUTTON");
+		waitForSwing();
+		waitForChooser();
 	}
 
 	private void setDir(final File dir) throws Exception {
@@ -2538,8 +2608,8 @@ public class GhidraFileChooserTest extends AbstractDockingTest {
 		return (DirectoryList) findComponentByName(chooser.getComponent(), "LIST");
 	}
 
-	private GTable getTableView() {
-		return (GTable) findComponentByName(chooser.getComponent(), "TABLE");
+	private DirectoryTable getTableView() {
+		return (DirectoryTable) findComponentByName(chooser.getComponent(), "TABLE");
 	}
 
 	private void debugChooser() {

Ghidra/Framework/Docking/src/test.slow/java/docking/widgets/table/threaded/ThreadedTableTest.java

@@ -34,6 +34,7 @@ import javax.swing.event.TableModelEvent;
 import org.junit.*;
 
 import docking.DockingUtils;
+import docking.widgets.AutoLookup;
 import docking.widgets.filter.*;
 import docking.widgets.table.*;
 import docking.widgets.table.ColumnSortState.SortDirection;
@@ -455,7 +456,7 @@ public class ThreadedTableTest extends AbstractThreadedTableTest {
 		triggerText(table, "si");
 		assertEquals(6, table.getSelectedRow());
 
-		sleep(GTable.AUTO_LOOKUP_TIMEOUT);
+		sleep(AutoLookup.KEY_TYPING_TIMEOUT);
 
 		// try again with the sort in the other direction
 		selectFirstRow();

Ghidra/Framework/Generic/src/main/java/ghidra/util/StringUtilities.java

@@ -15,10 +15,10 @@
  */
 package ghidra.util;
 
-import java.util.*;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
-import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.ArrayUtils;
 import org.apache.commons.lang3.StringUtils;
@@ -555,9 +555,9 @@ public class StringUtilities {
 			length *= -1;
 		}
 
-		int numFillers = length - source.length();
-		StringBuffer buffer = new StringBuffer();
-		for (int f = 0; f < numFillers; f++) {
+		int n = length - source.length();
+		StringBuilder buffer = new StringBuilder();
+		for (int i = 0; i < n; i++) {
 			buffer.append(filler);
 		}
 
@@ -756,23 +756,6 @@ public class StringUtilities {
 		return new String(bytes);
 	}
 
-	/**
-	 * Turn the given data into an attractive string, with the separator of your choosing
-	 *
-	 * @param collection the data from which a string will be generated
-	 * @param separator the string used to separate elements
-	 * @return a string representation of the given list
-	 */
-	public static String toString(Collection<?> collection, String separator) {
-		if (collection == null) {
-			return null;
-		}
-
-		String asString =
-			collection.stream().map(o -> o.toString()).collect(Collectors.joining(separator));
-		return "[ " + asString + " ]";
-	}
-
 	public static String toStringWithIndent(Object o) {
 		if (o == null) {
 			return "null";
@@ -783,19 +766,6 @@ public class StringUtilities {
 		return indented;
 	}
 
-	/**
-	 * Reverse the characters in the given string
-	 *
-	 * @param s the string to reverse
-	 * @return the reversed string
-	 */
-	public static String reverse(String s) {
-		if (s == null) {
-			return null;
-		}
-		return new StringBuilder(s).reverse().toString();
-	}
-
 	/**
 	 * Merge two strings into one.
 	 * If one string contains the other, then the largest is returned.

Ghidra/Framework/Generic/src/main/java/util/HistoryList.java

@@ -16,8 +16,11 @@
 package util;
 
 import java.util.*;
+import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 
+import org.apache.commons.lang3.StringUtils;
+
 import ghidra.util.SystemUtilities;
 import ghidra.util.datastruct.FixedSizeStack;
 
@@ -47,7 +50,7 @@ import ghidra.util.datastruct.FixedSizeStack;
 public class HistoryList<T> {
 
 	private final FixedSizeStack<T> historyStack;
-	private final Consumer<T> itemSelectedCallback;
+	private final BiConsumer<T, T> itemSelectedCallback;
 	private int historyIndex;
 	private boolean isBroadcasting;
 
@@ -64,6 +67,20 @@ public class HistoryList<T> {
 	 *        going back or forward
 	 */
 	public HistoryList(int size, Consumer<T> itemSelectedCallback) {
+		this(size, asBiConsumer(itemSelectedCallback));
+	}
+
+	/**
+	 * The sized passed here limits the size of the list, with the oldest items being dropped
+	 * as the list grows.  The given callback will be called when {@link #goBack()} or 
+	 * {@link #goForward()} are called.
+	 * 
+	 * @param size the max number of items to keep in the list
+	 * @param itemSelectedCallback the function to call when the client selects an item by 
+	 *        going back or forward.  This callback will be passed the newly selected item as 
+	 *        the first argument and the previously selected item as the second argument.
+	 */
+	public HistoryList(int size, BiConsumer<T, T> itemSelectedCallback) {
 		Objects.requireNonNull(itemSelectedCallback, "Item selected callback cannot be null");
 
 		if (size < 1) {
@@ -74,6 +91,10 @@ public class HistoryList<T> {
 		this.historyStack = new FixedSizeStack<>(size);
 	}
 
+	private static <T> BiConsumer<T, T> asBiConsumer(Consumer<T> consumer) {
+		return (t, ignored) -> consumer.accept(t);
+	}
+
 //==================================================================================================
 // Interface Methods
 //==================================================================================================	
@@ -170,9 +191,10 @@ public class HistoryList<T> {
 			return;
 		}
 
+		T leaving = getCurrentHistoryItem();
 		T t = historyStack.get(--historyIndex);
 		dropNull();
-		broadcast(t);
+		broadcast(t, leaving);
 	}
 
 	/**
@@ -198,8 +220,9 @@ public class HistoryList<T> {
 			return;
 		}
 
+		T leaving = getCurrentHistoryItem();
 		T t = historyStack.get(++historyIndex);
-		broadcast(t);
+		broadcast(t, leaving);
 	}
 
 	/**
@@ -342,10 +365,10 @@ public class HistoryList<T> {
 		historyStack.remove(itemIndex);
 	}
 
-	private void broadcast(T t) {
+	private void broadcast(T t, T leaving) {
 		try {
 			isBroadcasting = true;
-			itemSelectedCallback.accept(t);
+			itemSelectedCallback.accept(t, leaving);
 		}
 		finally {
 			isBroadcasting = false;
@@ -362,6 +385,9 @@ public class HistoryList<T> {
 	@Override
 	public String toString() {
 
+		String key = "    items: ";
+		String newlinePad = StringUtils.repeat(' ', key.length());
+
 		StringBuilder buffy = new StringBuilder();
 		for (int i = 0; i < historyStack.size(); i++) {
 			T t = historyStack.get(i);
@@ -377,13 +403,13 @@ public class HistoryList<T> {
 			}
 
 			if (i != historyStack.size() - 1) {
-				buffy.append(',').append(' ');
+				buffy.append(',').append('\n').append(newlinePad);
 			}
 		}
 
 		//@formatter:off
 		return "{\n" +
-			"\titems: " + buffy.toString() + "\n" + 
+			key + buffy.toString() + "\n" + 
 		"}";
 		//@formatter:on				
 	}

Ghidra/Framework/Generic/src/test/java/ghidra/util/StringUtilitiesTest.java

@@ -248,18 +248,6 @@ public class StringUtilitiesTest {
 		StringUtilities.trimMiddle(overString, max);
 	}
 
-	@Test
-	public void testReverse() {
-		String hello = "hello";
-		String reversed = StringUtilities.reverse(hello);
-		assertEquals("olleh", reversed);
-	}
-
-	@Test
-	public void testReverseNull() {
-		assertNull(StringUtilities.reverse(null));
-	}
-
 	@Test
 	public void testGetLastWord() {
 		assertEquals("word", StringUtilities.getLastWord("/This/is/my/last/word", "/"));