Added more default elements and changed colours

src/main/java/org/openautonomousconnection/oacswing/component/OACTitleBar.java

@@ -0,0 +1,173 @@
+/* Author: UnlegitDqrk
+ *  Feb. 2 2026
+ *  */
+
+package org.openautonomousconnection.oacswing.component;
+
+import lombok.Getter;
+import lombok.Setter;
+import org.openautonomousconnection.oacswing.component.design.DesignManager;
+
+import javax.swing.*;
+import javax.swing.border.EmptyBorder;
+import java.awt.*;
+import java.awt.event.ComponentEvent;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.event.WindowEvent;
+
+/**
+ * Custom title bar with tabs and window control buttons.
+ */
+public class OACTitleBar extends OACPanel {
+
+    @Getter @Setter
+    private static int HEIGHT = 42;
+
+    private final OACFrame frame;
+    private final OACTabbedPane tabs;
+
+    private Point dragStartOnScreen;
+    private Point dragStartFrameLocation;
+
+    /**
+     * Creates a title bar for the given frame.
+     *
+     * @param frame owning frame
+     */
+    public OACTitleBar(OACFrame frame) {
+        super(new BorderLayout());
+        this.frame = frame;
+
+        setPreferredSize(new Dimension(1, HEIGHT));
+        setBorder(new EmptyBorder(6, 10, 6, 10));
+
+        tabs = createTabs();
+        OACPanel left = new OACPanel(new BorderLayout());
+        left.setOpaque(false);
+        left.add(tabs, BorderLayout.CENTER);
+
+        OACPanel right = createWindowControls();
+
+        add(left, BorderLayout.CENTER);
+        add(right, BorderLayout.EAST);
+
+        installDragToMove();
+        installDoubleClickMaximize();
+    }
+
+    /**
+     * Returns the tab component.
+     *
+     * @return tabbed pane
+     */
+    public OACTabbedPane getTabs() {
+        return tabs;
+    }
+
+    /**
+     * Adds a new tab.
+     *
+     * @param title tab title
+     */
+    public void addTab(String title) {
+        OACPanel placeholder = new OACPanel();
+        placeholder.setOpaque(false);
+        tabs.addTab(title, placeholder);
+    }
+
+    private OACTabbedPane createTabs() {
+        OACTabbedPane tp = new OACTabbedPane(OACTabbedPane.TOP, OACTabbedPane.SCROLL_TAB_LAYOUT);
+        tp.setOpaque(false);
+
+        tp.setFocusable(false);
+
+        return tp;
+    }
+
+    private OACPanel createWindowControls() {
+        OACPanel p = new OACPanel(new FlowLayout(FlowLayout.RIGHT, 8, 0));
+        p.setOpaque(false);
+
+        OACButton min = createTitleButton("—");
+        OACButton max = createTitleButton("▢");
+        OACButton close = createTitleButton("✕");
+
+        min.addActionListener(e -> frame.setState(Frame.ICONIFIED));
+        max.addActionListener(e -> toggleMaximize());
+        close.addActionListener(e -> frame.dispatchEvent(new WindowEvent(frame, WindowEvent.WINDOW_CLOSING)));
+
+        p.add(min);
+        p.add(max);
+        p.add(close);
+
+        return p;
+    }
+
+    private OACButton createTitleButton(String text) {
+        OACButton b = new OACButton(text);
+        b.setFocusable(false);
+        b.setBorderPainted(false);
+        b.setContentAreaFilled(true);
+        b.setOpaque(true);
+        b.setPreferredSize(new Dimension(42, 28));
+
+        return b;
+    }
+
+    private void installDragToMove() {
+        MouseAdapter drag = new MouseAdapter() {
+            @Override
+            public void mousePressed(MouseEvent e) {
+                dragStartOnScreen = e.getLocationOnScreen();
+                dragStartFrameLocation = frame.getLocation();
+            }
+
+            @Override
+            public void mouseDragged(MouseEvent e) {
+                if (dragStartOnScreen == null || dragStartFrameLocation == null) {
+                    return;
+                }
+                Point now = e.getLocationOnScreen();
+                int dx = now.x - dragStartOnScreen.x;
+                int dy = now.y - dragStartOnScreen.y;
+
+                if ((frame.getExtendedState() & Frame.MAXIMIZED_BOTH) == Frame.MAXIMIZED_BOTH) {
+                    return;
+                }
+
+                frame.setLocation(dragStartFrameLocation.x + dx, dragStartFrameLocation.y + dy);
+
+                frame.dispatchEvent(new ComponentEvent(e.getComponent(), ComponentEvent.COMPONENT_MOVED));
+
+            }
+        };
+
+        addMouseListener(drag);
+        addMouseMotionListener(drag);
+    }
+
+    private void installDoubleClickMaximize() {
+        addMouseListener(new MouseAdapter() {
+            @Override
+            public void mouseClicked(MouseEvent e) {
+                if (e.getClickCount() == 2 && SwingUtilities.isLeftMouseButton(e)) {
+                    toggleMaximize();
+                }
+            }
+        });
+    }
+
+    private void toggleMaximize() {
+        int state = frame.getExtendedState();
+        boolean maximized = (state & Frame.MAXIMIZED_BOTH) == Frame.MAXIMIZED_BOTH;
+
+        if (maximized) {
+            frame.setExtendedState(state & ~Frame.MAXIMIZED_BOTH);
+        } else {
+            frame.setExtendedState(state | Frame.MAXIMIZED_BOTH);
+        }
+
+        frame.dispatchEvent(new ComponentEvent(this, ComponentEvent.COMPONENT_RESIZED));
+    }
+}