feat(gui): ctrl+c copy highlighted word in code view (#1292)

jadx-gui/src/main/java/jadx/gui/ui/MainWindow.java

@@ -110,6 +110,7 @@ import jadx.gui.treemodel.JNode;
 import jadx.gui.treemodel.JPackage;
 import jadx.gui.treemodel.JResource;
 import jadx.gui.treemodel.JRoot;
+import jadx.gui.ui.codearea.AbstractCodeArea;
 import jadx.gui.ui.codearea.AbstractCodeContentPanel;
 import jadx.gui.ui.codearea.EditorViewState;
 import jadx.gui.ui.dialog.ADBDialog;
@@ -936,7 +937,11 @@ public class MainWindow extends JFrame {
 			public void actionPerformed(ActionEvent e) {
 				ContentPanel panel = tabbedPane.getSelectedCodePanel();
 				if (panel instanceof AbstractCodeContentPanel) {
-					String preferText = ((AbstractCodeContentPanel) panel).getCodeArea().getSelectedText();
+					AbstractCodeArea codeArea = ((AbstractCodeContentPanel) panel).getCodeArea();
+					String preferText = codeArea.getSelectedText();
+					if (StringUtils.isEmpty(preferText)) {
+						preferText = codeArea.getWordUnderCaret();
+					}
 					if (!StringUtils.isEmpty(preferText)) {
 						SearchDialog.searchText(MainWindow.this, preferText);
 						return;

jadx-gui/src/main/java/jadx/gui/ui/codearea/AbstractCodeArea.java

@@ -6,6 +6,8 @@ import java.awt.Rectangle;
 import java.awt.event.ActionEvent;
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 
@@ -37,6 +39,7 @@ import jadx.gui.ui.panel.ContentPanel;
 import jadx.gui.utils.DefaultPopupMenuListener;
 import jadx.gui.utils.JumpPosition;
 import jadx.gui.utils.NLS;
+import jadx.gui.utils.UiUtils;
 
 public abstract class AbstractCodeArea extends RSyntaxTextArea {
 	private static final long serialVersionUID = -3980354865216031972L;
@@ -57,9 +60,16 @@ public abstract class AbstractCodeArea extends RSyntaxTextArea {
 		setCloseCurlyBraces(true);
 		setAntiAliasingEnabled(true);
 		loadSettings();
+
 		JadxSettings settings = contentPanel.getTabbedPane().getMainWindow().getSettings();
 		setLineWrap(settings.isCodeAreaLineWrap());
+		addWrapLineMenuAction(settings);
+
+		addCaretActions();
+		addFastCopyAction();
+	}
 
+	private void addWrapLineMenuAction(JadxSettings settings) {
 		JPopupMenu popupMenu = getPopupMenu();
 		popupMenu.addSeparator();
 		JCheckBoxMenuItem wrapItem = new JCheckBoxMenuItem(NLS.str("popup.line_wrap"), getLineWrap());
@@ -88,7 +98,16 @@ public abstract class AbstractCodeArea extends RSyntaxTextArea {
 				wrapItem.setState(getLineWrap());
 			}
 		});
+	}
+
+	private void setCodeAreaLineWrap(AbstractCodeArea codeArea, boolean wrap) {
+		codeArea.setLineWrap(wrap);
+		if (codeArea.isVisible()) {
+			codeArea.repaint();
+		}
+	}
 
+	private void addCaretActions() {
 		Caret caret = getCaret();
 		if (caret instanceof DefaultCaret) {
 			((DefaultCaret) caret).setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
@@ -123,11 +142,20 @@ public abstract class AbstractCodeArea extends RSyntaxTextArea {
 		});
 	}
 
-	private void setCodeAreaLineWrap(AbstractCodeArea codeArea, boolean wrap) {
-		codeArea.setLineWrap(wrap);
-		if (codeArea.isVisible()) {
-			codeArea.repaint();
-		}
+	/**
+	 * Ctrl+C will copy highlighted word
+	 */
+	private void addFastCopyAction() {
+		addKeyListener(new KeyAdapter() {
+			@Override
+			public void keyPressed(KeyEvent e) {
+				if (e.getKeyCode() == KeyEvent.VK_C && UiUtils.isCtrlDown(e)) {
+					if (StringUtils.isEmpty(getSelectedText())) {
+						UiUtils.copyToClipboard(getWordUnderCaret());
+					}
+				}
+			}
+		});
 	}
 
 	private String highlightCaretWord(String lastText, int pos) {

jadx-gui/src/main/java/jadx/gui/ui/codearea/FridaAction.java

 package jadx.gui.ui.codearea;
 
-import java.awt.Toolkit;
-import java.awt.datatransfer.Clipboard;
-import java.awt.datatransfer.StringSelection;
 import java.awt.event.ActionEvent;
 import java.awt.event.KeyEvent;
 import java.util.*;
@@ -29,6 +26,7 @@ import jadx.gui.treemodel.JField;
 import jadx.gui.treemodel.JMethod;
 import jadx.gui.treemodel.JNode;
 import jadx.gui.utils.NLS;
+import jadx.gui.utils.UiUtils;
 
 import static javax.swing.KeyStroke.getKeyStroke;
 
@@ -62,9 +60,7 @@ public final class FridaAction extends JNodeMenuAction<JNode> {
 		try {
 			String fridaSnippet = generateFridaSnippet();
 			LOG.info("Frida snippet:\n{}", fridaSnippet);
-			Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
-			StringSelection selection = new StringSelection(fridaSnippet);
-			clipboard.setContents(selection, selection);
+			UiUtils.copyToClipboard(fridaSnippet);
 		} catch (Exception e) {
 			LOG.error("Failed to generate Frida code snippet", e);
 			JOptionPane.showMessageDialog(codeArea.getMainWindow(), e.getLocalizedMessage(), NLS.str("error_dialog.title"),

jadx-gui/src/main/java/jadx/gui/ui/codearea/XposedAction.java

 package jadx.gui.ui.codearea;
 
-import java.awt.Toolkit;
-import java.awt.datatransfer.Clipboard;
-import java.awt.datatransfer.StringSelection;
 import java.awt.event.ActionEvent;
 import java.awt.event.KeyEvent;
 import java.util.List;
@@ -25,6 +22,7 @@ import jadx.gui.treemodel.JClass;
 import jadx.gui.treemodel.JMethod;
 import jadx.gui.treemodel.JNode;
 import jadx.gui.utils.NLS;
+import jadx.gui.utils.UiUtils;
 
 import static javax.swing.KeyStroke.getKeyStroke;
 
@@ -55,9 +53,7 @@ public class XposedAction extends JNodeMenuAction<JNode> {
 		try {
 			String xposedSnippet = generateXposedSnippet();
 			LOG.info("Xposed snippet:\n{}", xposedSnippet);
-			Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
-			StringSelection selection = new StringSelection(xposedSnippet);
-			clipboard.setContents(selection, selection);
+			UiUtils.copyToClipboard(xposedSnippet);
 		} catch (Exception e) {
 			LOG.error("Failed to generate Xposed code snippet", e);
 			JOptionPane.showMessageDialog(codeArea.getMainWindow(), e.getLocalizedMessage(), NLS.str("error_dialog.title"),

jadx-gui/src/main/java/jadx/gui/utils/UiUtils.java

@@ -32,6 +32,7 @@ import com.formdev.flatlaf.extras.FlatSVGIcon;
 
 import jadx.core.dex.info.AccessInfo;
 import jadx.core.dex.instructions.args.ArgType;
+import jadx.core.utils.StringUtils;
 import jadx.core.utils.Utils;
 import jadx.core.utils.exceptions.JadxRuntimeException;
 import jadx.gui.ui.codearea.AbstractCodeArea;
@@ -253,6 +254,10 @@ public class UiUtils {
 		return CTRL_BNT_KEY;
 	}
 
+	public static boolean isCtrlDown(KeyEvent keyEvent) {
+		return keyEvent.getModifiersEx() == CTRL_BNT_KEY;
+	}
+
 	public static <T extends Window & RootPaneContainer> void addEscapeShortCutToDispose(T window) {
 		KeyStroke stroke = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
 		window.getRootPane().registerKeyboardAction(e -> window.dispose(), stroke, JComponent.WHEN_IN_FOCUSED_WINDOW);
@@ -296,4 +301,17 @@ public class UiUtils {
 		JOptionPane.showMessageDialog(parent, message,
 				NLS.str("message.errorTitle"), JOptionPane.ERROR_MESSAGE);
 	}
+
+	public static void copyToClipboard(String text) {
+		if (StringUtils.isEmpty(text)) {
+			return;
+		}
+		try {
+			Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
+			StringSelection selection = new StringSelection(text);
+			clipboard.setContents(selection, selection);
+		} catch (Exception e) {
+			LOG.error("Failed copy text to clipboard", e);
+		}
+	}
 }