feat(gui): add a menu to copy class name (#351)

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

 package jadx.gui.ui;
 
-import javax.swing.*;
-import javax.swing.plaf.basic.BasicButtonUI;
-import javax.swing.text.BadLocationException;
-import java.awt.*;
+import org.jetbrains.annotations.Nullable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.awt.Component;
+import java.awt.FlowLayout;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.MouseAdapter;
@@ -15,13 +17,22 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
-import jadx.gui.treemodel.JCertificate;
-import org.jetbrains.annotations.Nullable;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import javax.swing.BorderFactory;
+import javax.swing.ImageIcon;
+import javax.swing.JButton;
+import javax.swing.JLabel;
+import javax.swing.JMenuItem;
+import javax.swing.JPanel;
+import javax.swing.JPopupMenu;
+import javax.swing.JTabbedPane;
+import javax.swing.SwingUtilities;
+import javax.swing.plaf.basic.BasicButtonUI;
+import javax.swing.text.BadLocationException;
 
 import jadx.api.ResourceFile;
 import jadx.api.ResourceType;
+import jadx.gui.treemodel.JCertificate;
+import jadx.gui.treemodel.JClass;
 import jadx.gui.treemodel.JNode;
 import jadx.gui.treemodel.JResource;
 import jadx.gui.utils.JumpManager;
@@ -252,6 +263,15 @@ class TabbedPane extends JTabbedPane {
 	private JPopupMenu createTabPopupMenu(final ContentPanel contentPanel) {
 		JPopupMenu menu = new JPopupMenu();
 
+		JMenuItem copyRootClassName = new JMenuItem(NLS.str("tabs.copy_class_name"));
+		copyRootClassName.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent actionEvent) {
+				copyRootClassName();
+			}
+		});
+		menu.add(copyRootClassName);
+
 		JMenuItem closeTab = new JMenuItem(NLS.str("tabs.close"));
 		closeTab.addActionListener(new ActionListener() {
 			@Override
@@ -315,6 +335,16 @@ class TabbedPane extends JTabbedPane {
 		}
 	}
 
+	public void copyRootClassName(){
+		ContentPanel selectedPanel = getSelectedCodePanel();
+		JNode node = selectedPanel.getNode();
+		JClass jClass = node.getRootClass();
+		if (jClass != null){
+			String name = jClass.getFullName();
+			Utils.setClipboardString(name);
+		}
+	}
+
 	public void loadSettings() {
 		for (ContentPanel panel : openTabs.values()) {
 			panel.loadSettings();

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

 package jadx.gui.utils;
 
-import java.awt.*;
+import org.jetbrains.annotations.Nullable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.awt.Font;
+import java.awt.Toolkit;
+import java.awt.datatransfer.Clipboard;
+import java.awt.datatransfer.StringSelection;
+import java.awt.datatransfer.Transferable;
 import java.io.InputStream;
 import java.net.URL;
-import javax.swing.*;
+
+import javax.swing.Action;
+import javax.swing.Icon;
+import javax.swing.ImageIcon;
+import javax.swing.JComponent;
+import javax.swing.KeyStroke;
 
 import jadx.core.dex.info.AccessInfo;
 import jadx.core.dex.instructions.args.ArgType;
 import jadx.core.utils.exceptions.JadxRuntimeException;
-import org.jetbrains.annotations.Nullable;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 public class Utils {
 	private static final Logger LOG = LoggerFactory.getLogger(Utils.class);
@@ -136,4 +146,10 @@ public class Utils {
 	public static char caseChar(char ch, boolean toLower) {
 		return toLower ? Character.toLowerCase(ch) : ch;
 	}
+
+	public static void setClipboardString(String text){
+		Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
+		Transferable transferable = new StringSelection(text);
+		clipboard.setContents(transferable, null);
+	}
 }

jadx-gui/src/main/resources/i18n/Messages_en_US.properties

@@ -38,6 +38,7 @@ search.match_case=Match Case
 search.whole_word=Whole word
 search.find=Find
 
+tabs.copy_class_name=Copy Name
 tabs.close=Close
 tabs.closeOthers=Close Others
 tabs.closeAll=Close All

jadx-gui/src/main/resources/i18n/Messages_es_ES.properties

@@ -38,6 +38,7 @@ search.match_case=Sensible a minúsculas/mayúsculas
 search.whole_word=Palabra entera
 search.find=Buscar
 
+tabs.copy_class_name=Copy Name
 tabs.close=Cerrar
 tabs.closeOthers=Cerrar otros
 tabs.closeAll=Cerrar todo

jadx-gui/src/main/resources/i18n/Messages_zh_CN.properties

@@ -38,6 +38,7 @@ search.match_case=区分大小写
 search.whole_word=整个词语
 search.find=查询
 
+tabs.copy_class_name=复制类名
 tabs.close=关闭
 tabs.closeOthers=关闭其他文件
 tabs.closeAll=全部关闭