feat(gui): map back and forward mouse keys for navigation (#807)

jadx-gui/src/main/java/jadx/gui/JadxGUI.java

@@ -1,6 +1,7 @@
 package jadx.gui;
 
-import javax.swing.*;
+import javax.swing.SwingUtilities;
+import javax.swing.UIManager;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -10,6 +11,7 @@ import jadx.gui.settings.JadxSettings;
 import jadx.gui.settings.JadxSettingsAdapter;
 import jadx.gui.ui.MainWindow;
 import jadx.gui.utils.NLS;
+import jadx.gui.utils.SystemInfo;
 import jadx.gui.utils.logs.LogCollector;
 
 public class JadxGUI {
@@ -28,6 +30,8 @@ public class JadxGUI {
 				UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
 			}
 			NLS.setLocale(settings.getLangLocale());
+			printSystemInfo();
+
 			SwingUtilities.invokeLater(new MainWindow(settings)::init);
 		} catch (Exception e) {
 			LOG.error("Error: {}", e.getMessage(), e);
@@ -47,4 +51,13 @@ public class JadxGUI {
 		}
 		return false;
 	}
+
+	private static void printSystemInfo() {
+		if (LOG.isDebugEnabled()) {
+			LOG.debug("Starting jadx-gui. Version: '{}'. JVM: {} {}. OS: {} {}",
+					SystemInfo.JADX_VERSION,
+					SystemInfo.JAVA_VM, SystemInfo.JAVA_VER,
+					SystemInfo.OS_NAME, SystemInfo.OS_VERSION);
+		}
+	}
 }

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

@@ -1,5 +1,6 @@
 package jadx.gui.ui;
 
+import java.awt.AWTEvent;
 import java.awt.BorderLayout;
 import java.awt.Component;
 import java.awt.Dimension;
@@ -7,6 +8,7 @@ import java.awt.DisplayMode;
 import java.awt.Font;
 import java.awt.GraphicsDevice;
 import java.awt.GraphicsEnvironment;
+import java.awt.Toolkit;
 import java.awt.dnd.DnDConstants;
 import java.awt.dnd.DropTarget;
 import java.awt.event.ActionEvent;
@@ -97,6 +99,7 @@ import jadx.gui.utils.FontUtils;
 import jadx.gui.utils.JumpPosition;
 import jadx.gui.utils.Link;
 import jadx.gui.utils.NLS;
+import jadx.gui.utils.SystemInfo;
 import jadx.gui.utils.UiUtils;
 
 import static javax.swing.KeyStroke.getKeyStroke;
@@ -164,6 +167,7 @@ public class MainWindow extends JFrame {
 		FontUtils.registerBundledFonts();
 		initUI();
 		initMenuAndToolbar();
+		registerMouseNavigationButtons();
 		UiUtils.setWindowIcons(this);
 		loadSettings();
 		checkForUpdate();
@@ -958,6 +962,42 @@ public class MainWindow extends JFrame {
 		setTitle(DEFAULT_TITLE);
 	}
 
+	private void registerMouseNavigationButtons() {
+		Toolkit toolkit = Toolkit.getDefaultToolkit();
+		toolkit.addAWTEventListener(event -> {
+			if (event instanceof MouseEvent) {
+				MouseEvent mouseEvent = (MouseEvent) event;
+				if (mouseEvent.getID() == MouseEvent.MOUSE_PRESSED) {
+					int rawButton = mouseEvent.getButton();
+					if (rawButton <= 3) {
+						return;
+					}
+					int button = remapMouseButton(rawButton);
+					switch (button) {
+						case 4:
+							tabbedPane.navBack();
+							break;
+						case 5:
+							tabbedPane.navForward();
+							break;
+					}
+				}
+			}
+		}, AWTEvent.MOUSE_EVENT_MASK);
+	}
+
+	private static int remapMouseButton(int rawButton) {
+		if (SystemInfo.IS_LINUX) {
+			if (rawButton == 6) {
+				return 4;
+			}
+			if (rawButton == 7) {
+				return 5;
+			}
+		}
+		return rawButton;
+	}
+
 	private static String[] getPathExpansion(TreePath path) {
 		List<String> pathList = new ArrayList<>();
 		while (path != null) {

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

@@ -1,12 +1,13 @@
 package jadx.gui.ui;
 
-import java.awt.*;
+import java.awt.Component;
 import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
-import javax.swing.*;
+import javax.swing.JTabbedPane;
+import javax.swing.SwingUtilities;
 import javax.swing.text.BadLocationException;
 
 import org.jetbrains.annotations.Nullable;
@@ -40,6 +41,9 @@ public class TabbedPane extends JTabbedPane {
 		setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
 
 		addMouseWheelListener(e -> {
+			if (openTabs.isEmpty()) {
+				return;
+			}
 			int direction = e.getWheelRotation();
 			int index = getSelectedIndex();
 			int maxIndex = getTabCount() - 1;

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

@@ -2,6 +2,9 @@ package jadx.gui.utils;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
+
+import org.jetbrains.annotations.Nullable;
 
 public class JumpManager {
 
@@ -9,7 +12,7 @@ public class JumpManager {
 	private int currentPos = 0;
 
 	public void addPosition(JumpPosition pos) {
-		if (pos.equals(getCurrent())) {
+		if (ignoreJump(pos)) {
 			return;
 		}
 		currentPos++;
@@ -25,6 +28,30 @@ public class JumpManager {
 		}
 	}
 
+	private boolean ignoreJump(JumpPosition pos) {
+		JumpPosition current = getCurrent();
+		if (current == null) {
+			return false;
+		}
+		if (pos.equals(current)) {
+			return true;
+		}
+		if (Objects.equals(current.getNode(), pos.getNode())) {
+			// undefined jump line in same node // TODO: find the cause
+			if (pos.getLine() == 0) {
+				return true;
+			}
+			if (current.getLine() == 0) {
+				// replace current
+				getPrev();
+				return false;
+			}
+			return false;
+		}
+		return false;
+	}
+
+	@Nullable
 	private JumpPosition getCurrent() {
 		if (currentPos >= 0 && currentPos < list.size()) {
 			return list.get(currentPos);
@@ -32,6 +59,7 @@ public class JumpManager {
 		return null;
 	}
 
+	@Nullable
 	public JumpPosition getPrev() {
 		if (currentPos == 0) {
 			return null;
@@ -40,6 +68,7 @@ public class JumpManager {
 		return list.get(currentPos);
 	}
 
+	@Nullable
 	public JumpPosition getNext() {
 		int size = list.size();
 		if (size == 0) {

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

@@ -0,0 +1,20 @@
+package jadx.gui.utils;
+
+import java.util.Locale;
+
+import jadx.api.JadxDecompiler;
+
+public class SystemInfo {
+	public static final String JADX_VERSION = JadxDecompiler.getVersion();
+
+	public static final String JAVA_VM = System.getProperty("java.vm.name");
+	public static final String JAVA_VER = System.getProperty("java.version");
+
+	public static final String OS_NAME = System.getProperty("os.name");
+	public static final String OS_VERSION = System.getProperty("os.version");
+
+	private static final String LOWER_OS_NAME = OS_NAME.toLowerCase(Locale.ENGLISH);
+	public static final boolean IS_WINDOWS = LOWER_OS_NAME.startsWith("windows");
+	public static final boolean IS_MAC = LOWER_OS_NAME.startsWith("mac");
+	public static final boolean IS_LINUX = LOWER_OS_NAME.startsWith("linux");
+}