[Virtual Desktop] Basic implementation

    - Shows mascot inside a window for testing
    - No IE or multi-display support yet

src/main/java/com/group_finity/mascotnative/shared/SwingPopupUtil.java

@@ -12,9 +12,9 @@
 import javax.swing.event.PopupMenuListener;
 import java.awt.Container;
 
-class SwingPopupUtil {
+public class SwingPopupUtil {
 
-    static JPopupMenu createJPopupmenuFrom(TopLevelMenuRep topMenuRep) {
+    public static JPopupMenu createJPopupmenuFrom(TopLevelMenuRep topMenuRep) {
         JPopupMenu mainPopup = new JPopupMenu(topMenuRep.getTitle());
         mainPopup.addPopupMenuListener(new PopupMenuListener() {
             @Override

src/main/java/com/group_finity/mascotnative/virtualdesktop/NativeFactoryImpl.java

@@ -0,0 +1,38 @@
+package com.group_finity.mascotnative.virtualdesktop;
+
+import com.group_finity.mascot.NativeFactory;
+import com.group_finity.mascot.environment.NativeEnvironment;
+import com.group_finity.mascot.image.NativeImage;
+import com.group_finity.mascot.window.TranslucentWindow;
+import com.group_finity.mascotnative.virtualdesktop.display.VirtualEnvironmentDisplay;
+
+import java.awt.image.BufferedImage;
+
+@SuppressWarnings("unused")
+public class NativeFactoryImpl extends NativeFactory {
+
+    static final VirtualEnvironmentDisplay display;
+    static final VirtualEnvironment environment;
+
+    static {
+        display = new VirtualEnvironmentDisplay();
+        environment = new VirtualEnvironment(display);
+    }
+
+    @Override
+    public NativeEnvironment getEnvironment() {
+        return environment;
+    }
+
+    @Override
+    public NativeImage newNativeImage(BufferedImage src) {
+        return new VirtualImage(src);
+    }
+
+    @Override
+    public TranslucentWindow newTransparentWindow() {
+        var panel = new VirtualWindowPanel();
+        display.addShimejiWindow(panel);
+        return panel;
+    }
+}

src/main/java/com/group_finity/mascotnative/virtualdesktop/VirtualEnvironment.java

@@ -0,0 +1,50 @@
+package com.group_finity.mascotnative.virtualdesktop;
+
+import com.group_finity.mascot.environment.*;
+import com.group_finity.mascotnative.virtualdesktop.display.VirtualEnvironmentDisplay;
+
+import java.awt.*;
+import java.util.List;
+
+public class VirtualEnvironment extends BaseNativeEnvironment {
+
+    private final VirtualEnvironmentDisplay display;
+
+    public VirtualEnvironment(VirtualEnvironmentDisplay display) {
+        this.display = display;
+    }
+
+    @Override
+    protected void updateIe(Area ieToUpdate) {
+        ieToUpdate.setVisible(false);
+    }
+
+    @Override
+    protected List<Rectangle> getNewDisplayBoundsList() {
+        return display.getDisplayBoundsList();
+    }
+
+    @Override
+    public void tick() {
+        super.tick();
+        updateDisplayBounds();
+    }
+
+    @Override
+    public String getActiveIETitle() {
+        return null;
+    }
+
+    @Override
+    public void moveActiveIE(Point point) {
+    }
+
+    @Override
+    public void restoreIE() {
+    }
+
+    @Override
+    protected Point getNewCursorLocation() {
+        return display.getCursorLocation(super.getNewCursorLocation());
+    }
+}

src/main/java/com/group_finity/mascotnative/virtualdesktop/VirtualImage.java

@@ -0,0 +1,8 @@
+package com.group_finity.mascotnative.virtualdesktop;
+
+import com.group_finity.mascot.image.NativeImage;
+
+import java.awt.image.BufferedImage;
+
+public record VirtualImage(BufferedImage bufferedImage) implements NativeImage {
+}

src/main/java/com/group_finity/mascotnative/virtualdesktop/VirtualWindowPanel.java

@@ -0,0 +1,92 @@
+package com.group_finity.mascotnative.virtualdesktop;
+
+import com.group_finity.mascot.image.NativeImage;
+import com.group_finity.mascot.ui.contextmenu.TopLevelMenuRep;
+import com.group_finity.mascot.window.TranslucentWindow;
+import com.group_finity.mascot.window.TranslucentWindowEvent;
+import com.group_finity.mascot.window.TranslucentWindowEventHandler;
+import com.group_finity.mascotnative.shared.SwingPopupUtil;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+public class VirtualWindowPanel extends JPanel implements TranslucentWindow {
+
+    protected static final Color CLEAR = new Color(0, 0, 0, 0);
+
+    private TranslucentWindowEventHandler eventHandler = TranslucentWindowEventHandler.DEFAULT;
+
+    private VirtualImage image;
+
+    public VirtualWindowPanel() {
+        super();
+        setBounds(0,0,0,0);
+        setBackground(CLEAR);
+        setOpaque(false);
+        addMouseListener(new MouseAdapter() {
+            @Override
+            public void mousePressed(MouseEvent e) {
+                if (SwingUtilities.isRightMouseButton(e)) {
+                    showPopupMenu(e);
+                } else if (SwingUtilities.isLeftMouseButton(e)) {
+                    getEventHandler().onDragBegin(new TranslucentWindowEvent(e.getPoint()));
+                }
+            }
+
+            @Override
+            public void mouseReleased(MouseEvent e) {
+                if (SwingUtilities.isLeftMouseButton(e)) {
+                    getEventHandler().onDragEnd(new TranslucentWindowEvent(e.getPoint()));
+                }
+            }
+        });
+    }
+
+    protected void showPopupMenu(MouseEvent e) {
+        TopLevelMenuRep menuRep = getEventHandler().getContextMenuRep();
+        if (menuRep == null) {
+            return;
+        }
+        JPopupMenu popupMenu = SwingPopupUtil.createJPopupmenuFrom(menuRep);
+        SwingUtilities.invokeLater(() -> popupMenu.show(this, e.getX(), e.getY()));
+    }
+
+    @Override
+    protected void paintComponent(Graphics g) {
+        g.drawImage(image.bufferedImage(), 0, 0, null);
+    }
+
+    public TranslucentWindowEventHandler getEventHandler() {
+        return eventHandler;
+    }
+
+    @Override
+    public void setEventHandler(TranslucentWindowEventHandler eventHandler) {
+        this.eventHandler = eventHandler;
+    }
+
+    @Override
+    public void setImage(NativeImage image) {
+        if (image != null) {
+            this.image = (VirtualImage) image;
+        }
+    }
+
+    @Override
+    public void updateImage() {
+        repaint();
+    }
+
+    @Override
+    public void dispose() {
+        SwingUtilities.invokeLater(() -> {
+            var parent = getParent();
+            if (parent != null) {
+                parent.remove(this);
+                parent.repaint();
+            }
+        });
+    }
+}

src/main/java/com/group_finity/mascotnative/virtualdesktop/display/VirtualEnvironmentDisplay.java

@@ -0,0 +1,46 @@
+package com.group_finity.mascotnative.virtualdesktop.display;
+
+import com.group_finity.mascotnative.virtualdesktop.VirtualWindowPanel;
+
+import javax.swing.JFrame;
+import javax.swing.SwingUtilities;
+import java.awt.*;
+import java.util.List;
+
+public class VirtualEnvironmentDisplay {
+
+    private static final int INIT_WIDTH = 900;
+    private static final int INIT_HEIGHT = 600;
+    private static final Color BG_COLOR = Color.WHITE;
+
+    private final JFrame frame;
+
+    public VirtualEnvironmentDisplay() {
+        frame = new JFrame("Shimeji");
+        frame.getContentPane().setPreferredSize(new Dimension(INIT_WIDTH, INIT_HEIGHT));
+        frame.getContentPane().setLayout(null);
+        frame.getContentPane().setBackground(BG_COLOR);
+
+        SwingUtilities.invokeLater(() -> {
+            frame.pack();
+            frame.setVisible(true);
+        });
+    }
+
+    public List<Rectangle> getDisplayBoundsList() {
+        return List.of(frame.getContentPane().getBounds());
+    }
+
+    public Point getCursorLocation(Point screenCoordinates) {
+        var p = screenCoordinates.getLocation();
+        SwingUtilities.convertPointFromScreen(p, frame.getContentPane());
+        return p;
+    }
+
+    public void addShimejiWindow(VirtualWindowPanel panel) {
+        SwingUtilities.invokeLater(() -> {
+            frame.getContentPane().add(panel);
+        });
+    }
+
+}