fix internal frame border and title (pull request from Brian Hudson)

src/com/bulenkov/darcula/DarculaLaf.java

@@ -98,7 +98,7 @@ public final class DarculaLaf extends BasicLookAndFeel {
       defaults.put("Tree.expandedIcon", new IconUIResource(IconLoader.getIcon("/com/bulenkov/darcula/icons/treeNodeExpanded.png")));
       defaults.put("CheckBoxMenuItem.checkIcon", EmptyIcon.create(16));
       defaults.put("RadioButtonMenuItem.checkIcon", EmptyIcon.create(16));
-
+      defaults.put("InternalFrame.icon", new IconUIResource(IconLoader.getIcon("/com/bulenkov/darcula/icons/internalFrame.png")));
       return defaults;
     }
     catch (Exception ignore) {

src/com/bulenkov/darcula/darcula.properties

@@ -56,7 +56,7 @@ Table.descendingSortIcon=AllIcons.General.SplitDown
 TableHeader.cellBorder=com.bulenkov.darcula.DarculaTableHeaderBorder
 
 TitledBorder.titleColor=bbbbbb
-
+                                                      internal
 MenuBar.disabledBackground=3c3f41
 MenuBar.shadow=3c3f41
 MenuBar.darcula.borderColor=555555
@@ -65,7 +65,7 @@ MenuBar.darcula.borderShadowColor=282828
 TabbedPaneUI=com.bulenkov.darcula.ui.DarculaTabbedPaneUI
 TabbedPane.tabInsets=0,4,0,4
 TabbedPane.highlight=292b2d
-TabbedPane.light=444444
+TabbedPane.light=444444              internal
 TabbedPane.selected=41516D
 TabbedPane.selectHighlight=3c3f41
 TabbedPane.contentBorderInsets=3,1,1,1
@@ -166,4 +166,19 @@ Hyperlink.linkColor=589df6
 
 #Tree.background=45494A
 
-FileView.fileIcon=AllIcons.FileTypes.Unknown
+FileView.fileIcon=AllIcons.FileTypes.Unknown
+
+InternalFrameUI=com.bulenkov.darcula.ui.DarculaInternalFrameUI
+InternalFrame.border=com.bulenkov.darcula.ui.DarculaInternalFrameBorder
+InternalFrame.darcula.borderColor=5F5F5F
+InternalFrame.darcula.borderInnerColor=3C3F41
+InternalFrameTitlePane.darcula.borderColorTop=5F5F5F
+InternalFrameTitlePane.darcula.borderColorLeft=27292A
+InternalFrameTitlePane.darcula.borderColorBottom=3C3F41
+InternalFrameTitlePane.darcula.selected.borderColorTop=566172
+InternalFrameTitlePane.darcula.selected.borderColorLeft=27292A
+InternalFrameTitlePane.darcula.selected.borderColorBottom=313C4C
+InternalFrameTitlePane.darcula.backgroundColor=3A3D3F
+InternalFrameTitlePane.darcula.selected.backgroundColor=424D5F
+InternalFrameTitlePane.darcula.buttonColor=8B8B8B
+InternalFrameTitlePane.darcula.hovered.buttonColor=A8A8A8

src/com/bulenkov/darcula/ui/DarculaInternalFrameBorder.java

@@ -14,25 +14,31 @@
  * limitations under the License.
  */
 
-package com.bulenkov.darcula.ui.win;
+package com.bulenkov.darcula.ui;
 
 import javax.swing.*;
-import javax.swing.plaf.ComponentUI;
-import javax.swing.plaf.basic.BasicInternalFrameUI;
+import javax.swing.border.Border;
+import javax.swing.plaf.InsetsUIResource;
+import javax.swing.plaf.UIResource;
+import java.awt.*;
 
 /**
  * @author Konstantin Bulenkov
  */
-public class DarculaWindowsInternalFrameUI extends BasicInternalFrameUI {
-  public DarculaWindowsInternalFrameUI(JInternalFrame b) {
-    super(b);
-  }
-
-
-  @SuppressWarnings({"MethodOverridesStaticMethodOfSuperclass", "UnusedDeclaration"})
-  public static ComponentUI createUI(JComponent c) {
-    return new DarculaWindowsInternalFrameUI(((JInternalFrame) c));
-  }
+public class DarculaInternalFrameBorder implements Border, UIResource {
+    @Override
+    public void paintBorder(Component c, Graphics g, int x, int y, int w, int h) {
+      g.setColor(UIManager.getColor("InternalFrame.darcula.borderColor"));
+      g.drawRect(x, y, w-1, h-1);
+    }
 
+    @Override
+    public Insets getBorderInsets(Component c) {
+        return new InsetsUIResource(1, 1, 1, 1);
+    }
 
+    @Override
+    public boolean isBorderOpaque() {
+        return true;
+    }
 }

src/com/bulenkov/darcula/ui/DarculaInternalFrameUI.java

@@ -15,41 +15,233 @@
  */
 package com.bulenkov.darcula.ui;
 
+import com.bulenkov.iconloader.util.GraphicsConfig;
+import com.bulenkov.iconloader.util.GraphicsUtil;
+
 import javax.swing.*;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicInternalFrameTitlePane;
 import javax.swing.plaf.basic.BasicInternalFrameUI;
 import java.awt.*;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
 
 /**
  * @author Konstantin Bulenkov
  */
 public class DarculaInternalFrameUI extends BasicInternalFrameUI {
-  public DarculaInternalFrameUI(JInternalFrame b) {
-    super(b);
-  }
+    public DarculaInternalFrameUI(JInternalFrame b) {
+        super(b);
+    }
 
 
-  @SuppressWarnings({"MethodOverridesStaticMethodOfSuperclass", "UnusedDeclaration"})
-  public static ComponentUI createUI(JComponent c) {
-    return new DarculaInternalFrameUI((JInternalFrame)c);
-  }
+    @SuppressWarnings({"MethodOverridesStaticMethodOfSuperclass", "UnusedDeclaration"})
+    public static ComponentUI createUI(JComponent c) {
+        return new DarculaInternalFrameUI((JInternalFrame) c);
+    }
+
+    @Override
+    protected JComponent createNorthPane(JInternalFrame w) {
+        this.titlePane = new BasicInternalFrameTitlePane(w) {
+            @Override
+            protected void installDefaults() {
+                super.installDefaults();
+
+                closeIcon = new CloseIcon();
+                maxIcon = new MaximizeIcon();
+                minIcon = new MinimizeIcon();
+                iconIcon = new IconifyIcon();
+
+                selectedTitleColor = UIManager.getColor("InternalFrameTitlePane.darcula.selected.backgroundColor");
+                selectedTextColor = UIManager.getColor("darcula.textForeground");
+                notSelectedTitleColor = UIManager.getColor("InternalFrameTitlePane.darcula.backgroundColor");
+                notSelectedTextColor = UIManager.getColor("darcula.textForeground");
+            }
+
+            @Override
+            protected void createButtons() {
+                super.createButtons();
+
+                MouseListener listener = new MouseAdapter() {
+                    @Override
+                    public void mouseEntered(MouseEvent e) {
+                        Icon icon = ((JButton) e.getComponent()).getIcon();
+                        if (icon instanceof FrameIcon) {
+                            Color c = ((FrameIcon) icon).getColor();
+                            ((FrameIcon) icon).setColor(c.brighter());
+                            e.getComponent().repaint();
+                        }
+                    }
+
+                    @Override
+                    public void mouseExited(MouseEvent e) {
+                        Icon icon = ((JButton) e.getComponent()).getIcon();
+                        if (icon instanceof FrameIcon) {
+                            ((FrameIcon) icon).setColor(UIManager.getColor("InternalFrameTitlePane.darcula.buttonColor"));
+                            e.getComponent().repaint();
+                        }
+                    }
+                };
+
+                closeButton.setBorder(null);
+                closeButton.setOpaque(false);
+                closeButton.addMouseListener(listener);
+
+                maxButton.setBorder(null);
+                maxButton.setOpaque(false);
+                maxButton.addMouseListener(listener);
+
+                iconButton.setBorder(null);
+                iconButton.setOpaque(false);
+                iconButton.addMouseListener(listener);
+            }
+
+            @Override
+            protected void paintBorder(Graphics g) {
+                int w = getWidth();
+                int h = getHeight();
+
+                Color top = UIManager.getColor("InternalFrameTitlePane.darcula.borderColorTop");
+                Color left = UIManager.getColor("InternalFrameTitlePane.darcula.borderColorLeft");
+                Color bottom = UIManager.getColor("InternalFrameTitlePane.darcula.borderColorBottom");
+                if (frame.isSelected()) {
+                    top = UIManager.getColor("InternalFrameTitlePane.darcula.selected.borderColorTop");
+                    left = UIManager.getColor("InternalFrameTitlePane.darcula.selected.borderColorLeft");
+                    bottom = UIManager.getColor("InternalFrameTitlePane.darcula.selected.borderColorBottom");
+                }
+
+                g.setColor(top);
+                g.drawLine(2, 0, w, 0);
+                g.setColor(left);
+                g.drawLine(0, 1, 0, h);
+                g.setColor(bottom);
+                g.drawLine(2, h, w, h);
+            }
+        };
+
+        this.titlePane.setBorder(BorderFactory.createEmptyBorder(1, 1, 1, 0));
+        return this.titlePane;
+    }
+
+    private static abstract class FrameIcon implements Icon {
+        private Color mColor;
+
+        public FrameIcon(Color c) {
+            mColor = c;
+        }
+
+        public Color getColor() {
+            return mColor;
+        }
+
+        public void setColor(Color c) {
+            mColor = c;
+        }
+
+        @Override
+        public int getIconWidth() {
+            return 16;
+        }
+
+        @Override
+        public int getIconHeight() {
+            return 16;
+        }
+    }
+
+    private static class CloseIcon extends FrameIcon {
+        public CloseIcon() {
+            this(UIManager.getColor("InternalFrameTitlePane.darcula.buttonColor"));
+        }
+
+        public CloseIcon(Color c) {
+            super(c);
+        }
+
+        @Override
+        public void paintIcon(Component c, Graphics g, int x, int y) {
+            Graphics2D g2 = (Graphics2D) g;
+            GraphicsConfig config = GraphicsUtil.setupAAPainting(g2);
+            g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
+            g2.setStroke(new BasicStroke(1.5f));
+            g2.setPaint(getColor());
+            g.drawLine(5, 4, 11, 10);
+            g.drawLine(11, 4, 5, 10);
+            config.restore();
+        }
+    }
+
+    private static class MaximizeIcon extends FrameIcon {
+        public MaximizeIcon() {
+            this(UIManager.getColor("InternalFrameTitlePane.darcula.buttonColor"));
+        }
+
+        public MaximizeIcon(Color c) {
+            super(c);
+        }
+
+        @Override
+        public void paintIcon(Component c, Graphics g, int x, int y) {
+            Graphics2D g2 = (Graphics2D) g;
+            GraphicsConfig config = GraphicsUtil.setupAAPainting(g2);
+            g2.setStroke(new BasicStroke(2f));
+            g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
+            g2.setPaint(getColor());
+            g2.setStroke(new BasicStroke(2f));
+            g2.drawRect(3, 3, 10, 9);
+            config.restore();
+        }
+    }
 
   @Override
-  protected JComponent createNorthPane(JInternalFrame w) {
-    this.titlePane = new BasicInternalFrameTitlePane(w) {
-      @Override
-      protected void paintBorder(Graphics g) {
-        super.paintBorder(g);
-      }
-
-      @Override
-      public void paintComponent(Graphics g) {
-        super.paintComponent(g);
-      }
-    };
-    return this.titlePane;
+  protected void installDefaults() {
+    super.installDefaults();
+
   }
 
+  private static class MinimizeIcon extends FrameIcon {
+        public MinimizeIcon() {
+            this(UIManager.getColor("InternalFrameTitlePane.darcula.buttonColor"));
+        }
+
+        public MinimizeIcon(Color c) {
+            super(c);
+        }
+
+        @Override
+        public void paintIcon(Component c, Graphics g, int x, int y) {
+            Graphics2D g2 = (Graphics2D) g;
+            GraphicsConfig config = GraphicsUtil.setupAAPainting(g2);
+            g2.setStroke(new BasicStroke(2f));
+            g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
+            g2.setPaint(getColor());
+            g2.setStroke(new BasicStroke(2f));
+            g2.drawRect(1, 5, 8, 8);
+            g2.drawLine(4, 2, 12, 2);
+            g2.drawLine(12, 3, 12, 10);
+            config.restore();
+        }
+    }
+
+    private static class IconifyIcon extends FrameIcon {
+        public IconifyIcon() {
+            this(UIManager.getColor("InternalFrameTitlePane.darcula.buttonColor"));
+        }
+
+        public IconifyIcon(Color c) {
+            super(c);
+        }
 
+        @Override
+        public void paintIcon(Component c, Graphics g, int x, int y) {
+            Graphics2D g2 = (Graphics2D) g;
+            GraphicsConfig config = GraphicsUtil.setupAAPainting(g2);
+            g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
+            g2.setPaint(getColor());
+            g2.setStroke(new BasicStroke(2f));
+            g2.drawLine(4, 12, 12, 12);
+            config.restore();
+        }
+    }
 }