Fixed undesired behaviour when the TabbedPane becomes empty through a

DnD action.
Fixed selection foreground when not focused for Tree/Table/List.

.gitignore

@@ -30,6 +30,7 @@ target/
 # gradle
 /build
 /.gradle
+gradle.properties
 
 # Python
 venv/

build.gradle

@@ -27,7 +27,32 @@ dependencies {
 
 
 group = 'com.weis'
-version = '1.0-SNAPSHOT'
+version = '1.3'
+
+task sourceJar(type: Jar, dependsOn: classes) {
+    classifier 'sources'
+    from sourceSets.main.allSource
+}
+
+
+publishing {
+    publications {
+        maven(MavenPublication) {
+            from components.java
+            artifact tasks.sourceJar
+        }
+    }
+    repositories {
+        maven {
+            name 'deploy'
+            url deployRepoUrl
+            credentials {
+                username = deployRepoUsername
+                password = deployRepoPassword
+            }
+        }
+    }
+}
 
 println "Building on OS: " + System.properties['os.name']
 println "Using JDK: " + System.properties['java.home']
@@ -64,14 +89,6 @@ model {
     }
 }
 
-publishing {
-    publications {
-        maven(MavenPublication) {
-            from(components.java)
-        }
-    }
-}
-
 tasks.withType(JavaCompile) {
     dependsOn 'copyLibraries'
     configure(options) {

darklaf.iml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id="darklaf" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="com.weis" external.system.module.version="1.0-SNAPSHOT" type="JAVA_MODULE" version="4">
+<module external.linked.project.id="darklaf" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="com.weis" external.system.module.version="1.3" type="JAVA_MODULE" version="4">
   <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_11" inherit-compiler-output="true">
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/.gradle" />

gradle.properties

@@ -1 +1,5 @@
 org.gradle.warning.mode = all
+externalVersion         = 1.0-SNAPSHOT
+deployRepoUrl           = https://my-repo.com/maven-snapshots
+deployRepoUsername      = your-username
+deployRepoPassword      = your-password

settings.gradle

@@ -1,5 +1 @@
-/*
- * This file was generated by the Gradle 'init' task.
- */
-
 rootProject.name = 'darklaf'

src/main/java/com/weis/darklaf/components/ClosableTabComponent.java

@@ -15,7 +15,7 @@ import java.awt.event.MouseListener;
  */
 public class ClosableTabComponent extends JPanel {
 
-    private final JTabbedPane pane;
+    private JTabbedPane pane;
 
     public ClosableTabComponent(final JTabbedPane pane) {
         super(new FlowLayout(FlowLayout.LEFT, 0, 0));
@@ -28,6 +28,10 @@ public class ClosableTabComponent extends JPanel {
         add(new TabButton(this));
     }
 
+    public void setTabbedPane(final JTabbedPane pane) {
+        this.pane = pane;
+    }
+
     protected static class TabLabel extends JLabel {
 
         private ClosableTabComponent tabComponent;

src/main/java/com/weis/darklaf/components/ClosableTabbedPane.java

@@ -23,15 +23,23 @@ public class ClosableTabbedPane extends JTabbedPane {
         notifyTabListeners(new TabEvent(this, TabEvent.TAB_OPENED, "tabOpened", index));
     }
 
+    @Override
+    public void setTabComponentAt(final int index, final Component component) {
+        if (component instanceof ClosableTabComponent) {
+            ((ClosableTabComponent) component).setTabbedPane(this);
+        }
+        super.setTabComponentAt(index, component);
+    }
+
     @Override
     public void removeTabAt(final int index) {
         checkIndex(index);
-        if (notifyVetoableChangeListeners(new TabPropertyChangeEvent(this, "tabOpened",
+        if (notifyVetoableChangeListeners(new TabPropertyChangeEvent(this, "tabClosed",
                                                                      getComponentAt(index), null, index))) {
             return;
         }
+        notifyTabListeners(new TabEvent(this, TabEvent.TAB_CLOSED, "tabClosed", index));
         super.removeTabAt(index);
-        notifyTabListeners(new TabEvent(this, TabEvent.TAB_CLOSED, "tabOpened", index));
     }
 
     private void checkIndex(final int index) {

src/main/java/com/weis/darklaf/components/tabframe/JTabFrame.java

@@ -924,6 +924,17 @@ public class JTabFrame extends JComponent {
         firePropertyChange("dndEnabled", old, dndEnabled);
     }
 
+    /**
+     * Set the component at the given position.
+     *
+     * @param c     the component.
+     * @param a     the alignment position.{@link TabFramePosition#getAlignment()}
+     * @param index the index.{@link TabFramePosition#getIndex()}
+     */
+    public void setComponentAt(final Component c, final Alignment a, final int index) {
+        compsForAlignment(a).get(index).setContentPane(c);
+    }
+
     /**
      * This class represents a position inside the tabFrame.
      */

src/main/java/com/weis/darklaf/components/tabframe/TabFrameContent.java

@@ -80,4 +80,12 @@ public interface TabFrameContent {
      * @return the enabled status.
      */
     boolean[] getStatus();
+
+    /**
+     * Get the popup container at the given location.
+     *
+     * @param alignment the alignment position.
+     * @return the popup container.
+     */
+    PopupContainer getContainer(Alignment alignment);
 }

src/main/java/com/weis/darklaf/components/tabframe/TabFrameContentPane.java

@@ -382,37 +382,42 @@ public class TabFrameContentPane extends JPanel implements TabFrameContent {
      * @return the popup component at position.
      */
     @NotNull
-    public PanelPopup getPopupComponent(@NotNull final Alignment a) {
-        Component popupComponent;
-        switch (a) {
+    public Component getPopupComponent(@NotNull final Alignment a) {
+        return getContainer(a).getPopup();
+    }
+
+    @Override
+    public PopupContainer getContainer(@NotNull final Alignment alignment) {
+        PopupContainer popupComponent;
+        switch (alignment) {
             case NORTH:
-                popupComponent = ((PopupContainer) topSplitter.getLeftComponent()).getPopup();
+                popupComponent = ((PopupContainer) topSplitter.getLeftComponent());
                 break;
             case NORTH_EAST:
-                popupComponent = ((PopupContainer) topSplitter.getRightComponent()).getPopup();
+                popupComponent = ((PopupContainer) topSplitter.getRightComponent());
                 break;
             case EAST:
-                popupComponent = ((PopupContainer) rightSplitter.getTopComponent()).getPopup();
+                popupComponent = ((PopupContainer) rightSplitter.getTopComponent());
                 break;
             case SOUTH_EAST:
-                popupComponent = ((PopupContainer) rightSplitter.getBottomComponent()).getPopup();
+                popupComponent = ((PopupContainer) rightSplitter.getBottomComponent());
                 break;
             case SOUTH:
-                popupComponent = ((PopupContainer) bottomSplitter.getRightComponent()).getPopup();
+                popupComponent = ((PopupContainer) bottomSplitter.getRightComponent());
                 break;
             case SOUTH_WEST:
-                popupComponent = ((PopupContainer) bottomSplitter.getLeftComponent()).getPopup();
+                popupComponent = ((PopupContainer) bottomSplitter.getLeftComponent());
                 break;
             case WEST:
-                popupComponent = ((PopupContainer) leftSplitter.getBottomComponent()).getPopup();
+                popupComponent = ((PopupContainer) leftSplitter.getBottomComponent());
                 break;
             case NORTH_WEST:
-                popupComponent = ((PopupContainer) leftSplitter.getTopComponent()).getPopup();
+                popupComponent = ((PopupContainer) leftSplitter.getTopComponent());
                 break;
             default:
                 throw new IllegalArgumentException("CENTER is not supported");
         }
-        return (PanelPopup) popupComponent;
+        return popupComponent;
     }
 
     protected static class LayoutProportions {

src/main/java/com/weis/darklaf/icons/IconLoader.java

@@ -61,7 +61,9 @@ public final class IconLoader {
         if (iconLoaderMap.containsKey(parentClass)) {
             return iconLoaderMap.get(parentClass);
         } else {
-            return new IconLoader(parentClass);
+            var loader = new IconLoader(parentClass);
+            iconLoaderMap.put(parentClass, loader);
+            return loader;
         }
     }
 
@@ -86,7 +88,7 @@ public final class IconLoader {
     @Contract(value = "_, _, _ -> new", pure = true)
     @NotNull
     public DarkUIAwareIcon create(@NotNull final String name, final int w, final int h) {
-        return new DarkUIAwareIcon("dark/" + name, "light/" + name, w, h, IconLoader.class);
+        return new DarkUIAwareIcon("dark/" + name, "light/" + name, w, h, parentClass);
     }
 
     public Icon getIcon(final String path) {
@@ -130,7 +132,6 @@ public final class IconLoader {
     }
 
     @NotNull
-    @Contract("_, _, _ -> new")
     public Icon loadSVGIcon(@NotNull final String name, final int w, final int h, final boolean themed) {
         try {
             LOGGER.info("Loading icon '" + name + "'. Resolving from " + parentClass);

src/main/java/com/weis/darklaf/theme/DarculaTheme.java

@@ -12,11 +12,13 @@ public class DarculaTheme extends Theme {
 
     @Override
     public String getName() {
-        return "Darcula";
+        return "darcula";
     }
 
     @Override
     public boolean isDark() {
         return true;
     }
+
+
 }

src/main/java/com/weis/darklaf/theme/Theme.java

@@ -61,18 +61,18 @@ public abstract class Theme {
         final Properties properties = new Properties();
         try (InputStream stream = getResourceAsStream(name)) {
             properties.load(stream);
-        } catch (IOException e) {
-            LOGGER.log(Level.SEVERE, "Could not load" + name + ".properties", e.getMessage());
+        } catch (Exception e) {
+            LOGGER.log(Level.SEVERE, "Could not load " + name + ".properties. " + e.getMessage(), e.getStackTrace());
         }
         return properties;
     }
 
     protected InputStream getResourceAsStream(final String name) {
-        return getResourceAsStream(this.getClass(), name);
+        return getLoaderClass().getResourceAsStream(name);
     }
 
-    protected InputStream getResourceAsStream(@NotNull final Class<?> clazz, final String name) {
-        return clazz.getResourceAsStream(name);
+    protected Class<? extends Theme> getLoaderClass() {
+        return this.getClass();
     }
 
     /**

src/main/java/com/weis/darklaf/ui/cell/DarkCellRendererToggleButton.java

@@ -26,6 +26,7 @@ package com.weis.darklaf.ui.cell;
 import com.weis.darklaf.components.SelectableTreeNode;
 import com.weis.darklaf.decorators.CellRenderer;
 import com.weis.darklaf.ui.tree.DarkTreeCellRenderer;
+import com.weis.darklaf.util.DarkUIUtil;
 import org.jetbrains.annotations.NotNull;
 
 import javax.swing.*;
@@ -66,7 +67,11 @@ public class DarkCellRendererToggleButton<T extends JToggleButton & CellEditorTo
             toggleButton.setBackground(background);
             toggleButton.setForeground(table.getForeground());
         } else {
-            toggleButton.setForeground(table.getSelectionForeground());
+            if (DarkUIUtil.hasFocus(table)) {
+                toggleButton.setForeground(UIManager.getColor("Table.selectionForeground"));
+            } else {
+                toggleButton.setForeground(UIManager.getColor("Table.selectionForegroundInactive"));
+            }
             toggleButton.setBackground(table.getSelectionBackground());
         }
         return toggleButton;
@@ -86,7 +91,11 @@ public class DarkCellRendererToggleButton<T extends JToggleButton & CellEditorTo
             }
         }
         if (selected) {
-            toggleButton.setForeground(UIManager.getColor("Tree.selectionForeground"));
+            if (DarkUIUtil.hasFocus(tree)) {
+                toggleButton.setForeground(UIManager.getColor("Tree.selectionForeground"));
+            } else {
+                toggleButton.setForeground(UIManager.getColor("Tree.selectionForegroundInactive"));
+            }
         } else {
             toggleButton.setForeground(tree.getForeground());
         }

src/main/java/com/weis/darklaf/ui/list/DarkListCellRenderer.java

@@ -23,6 +23,7 @@
  */
 package com.weis.darklaf.ui.list;
 
+import com.weis.darklaf.util.DarkUIUtil;
 import org.jetbrains.annotations.NotNull;
 
 import javax.swing.*;
@@ -71,7 +72,11 @@ public class DarkListCellRenderer extends DefaultListCellRenderer {
             comp.setBackground(background);
             comp.setForeground(list.getForeground());
         } else {
-            comp.setForeground(list.getSelectionForeground());
+            if (DarkUIUtil.hasFocus(list)) {
+                comp.setForeground(list.getSelectionForeground());
+            } else {
+                comp.setForeground(UIManager.getColor("List.selectionForegroundInactive"));
+            }
             comp.setBackground(list.getSelectionBackground());
         }
         return comp;

src/main/java/com/weis/darklaf/ui/tabbedpane/DarkHandler.java

@@ -166,7 +166,7 @@ public class DarkHandler extends TabbedPaneHandler {
     public void mouseReleased(final MouseEvent e) {
         super.mouseReleased(e);
         if (ui.dragging && ui.scrollableTabLayoutEnabled()) {
-            stopDrag(e);
+            stopDrag(e, true);
         }
     }
 
@@ -214,7 +214,7 @@ public class DarkHandler extends TabbedPaneHandler {
             var p = e.getPoint();
             int dist = Math.abs(ui.isHorizontalTabPlacement() ? origin.y - p.y : origin.x - p.x);
             if (dist > Math.max(50, ui.maxTabHeight)) {
-                stopDrag(e);
+                stopDrag(e, false);
                 TransferHandler handler = ui.tabPane.getTransferHandler();
                 handler.exportAsDrag(ui.tabPane, e, TransferHandler.MOVE);
             }
@@ -228,10 +228,10 @@ public class DarkHandler extends TabbedPaneHandler {
         return p;
     }
 
-    protected void stopDrag(final MouseEvent e) {
+    protected void stopDrag(final MouseEvent e, final boolean changeTabs) {
         int tab = TabbedPaneUtil.getDroppedTabIndex(ui.dropRect, ui.tabPane,
                                                     ui, getDragMousePos());
-        if (tab >= 0 && tab <= ui.tabPane.getTabCount()) {
+        if (changeTabs && tab >= 0 && tab <= ui.tabPane.getTabCount()) {
             TabbedPaneUtil.moveTabs(ui.tabPane, ui.tabPane, ui.dropSourceIndex, tab);
         }
         SwingUtilities.invokeLater(() -> ui.setRolloverTab(e.getX(), e.getY()));

src/main/java/com/weis/darklaf/ui/tabbedpane/DarkScrollableTabPanel.java

@@ -52,19 +52,21 @@ class DarkScrollableTabPanel extends ScrollableTabPanel {
                     boolean leftToRight = ui.tabPane.getComponentOrientation().isLeftToRight();
                     int tabCount = ui.tabPane.getTabCount();
                     var b = child.getPreferredSize();
-                    if (ui.isHorizontalTabPlacement()) {
-                        int off = ui.dropTargetIndex == tabCount ? ui.dropRect.width : 0;
-                        if (leftToRight) {
-                            int x = ui.rects[tabCount - 1].x + ui.rects[tabCount - 1].width + off;
-                            child.setBounds(x, 0, b.width, ui.maxTabHeight);
+                    if (tabCount > 0) {
+                        if (ui.isHorizontalTabPlacement()) {
+                            int off = ui.dropTargetIndex == tabCount ? ui.dropRect.width : 0;
+                            if (leftToRight) {
+                                int x = ui.rects[tabCount - 1].x + ui.rects[tabCount - 1].width + off;
+                                child.setBounds(x, 0, b.width, ui.maxTabHeight);
+                            } else {
+                                int x = ui.rects[tabCount - 1].x - off;
+                                child.setBounds(x - b.width, 0, b.width, ui.maxTabHeight);
+                            }
                         } else {
-                            int x = ui.rects[tabCount - 1].x - off;
-                            child.setBounds(x - b.width, 0, b.width, ui.maxTabHeight);
+                            int off = ui.dropTargetIndex == tabCount ? ui.dropRect.height : 0;
+                            int y = ui.rects[tabCount - 1].y + ui.rects[tabCount - 1].height + off;
+                            child.setBounds(0, y, ui.maxTabWidth, b.height);
                         }
-                    } else {
-                        int off = ui.dropTargetIndex == tabCount ? ui.dropRect.height : 0;
-                        int y = ui.rects[tabCount - 1].y + ui.rects[tabCount - 1].height + off;
-                        child.setBounds(0, y, ui.maxTabWidth, b.height);
                     }
                 } else {
                     child.setBounds(0, 0, getWidth(), getHeight());
@@ -76,11 +78,13 @@ class DarkScrollableTabPanel extends ScrollableTabPanel {
     @Override
     public void paint(final Graphics g) {
         super.paint(g);
-        if (ui.dragging) {
+        if (ui.dragging && ui.tabPane.getTabCount() > 0) {
             ui.paintTab(g, ui.tabPane.getTabPlacement(), ui.dragRect, ui.tabPane.getSelectedIndex(), iconRect, textRect);
             var comp = ui.tabPane.getTabComponentAt(ui.dropSourceIndex);
-            g.translate(comp.getX(), comp.getY());
-            comp.print(g);
+            if (comp != null) {
+                g.translate(comp.getX(), comp.getY());
+                comp.print(g);
+            }
         }
     }
 }

src/main/java/com/weis/darklaf/ui/tabbedpane/DarkTabbedPaneScrollLayout.java

@@ -256,23 +256,25 @@ public class DarkTabbedPaneScrollLayout extends TabbedPaneScrollLayout {
         // Calculate how much space the tabs will need, based on the
         // minimum size required to display largest child + content border
         //
-        if (!ui.isHorizontalTabPlacement()) {
-            int tabHeight = ui.calculateTabHeight(tabPlacement, ui.tabPane.getSelectedIndex(),
-                                                  ui.getFontMetrics().getHeight());
-            if (ui.scrollableTabSupport.moreTabsButton.isVisible()) {
-                tabHeight += ui.scrollableTabSupport.moreTabsButton.getPreferredSize().height;
-            }
-            height = Math.max(height, tabHeight);
-            tabExtent = preferredTabAreaWidth(tabPlacement, height - tabAreaInsets.top - tabAreaInsets.bottom);
-            width += tabExtent;
-        } else {
-            int tabWidth = ui.calculateTabWidth(tabPlacement, ui.tabPane.getSelectedIndex(), ui.getFontMetrics());
-            if (ui.scrollableTabSupport.moreTabsButton.isVisible()) {
-                tabWidth += ui.scrollableTabSupport.moreTabsButton.getPreferredSize().width;
+        if (ui.tabPane.getTabCount() > 0) {
+            if (!ui.isHorizontalTabPlacement()) {
+                int tabHeight = ui.calculateTabHeight(tabPlacement, ui.tabPane.getSelectedIndex(),
+                                                      ui.getFontMetrics().getHeight());
+                if (ui.scrollableTabSupport.moreTabsButton.isVisible()) {
+                    tabHeight += ui.scrollableTabSupport.moreTabsButton.getPreferredSize().height;
+                }
+                height = Math.max(height, tabHeight);
+                tabExtent = preferredTabAreaWidth(tabPlacement, height - tabAreaInsets.top - tabAreaInsets.bottom);
+                width += tabExtent;
+            } else {
+                int tabWidth = ui.calculateTabWidth(tabPlacement, ui.tabPane.getSelectedIndex(), ui.getFontMetrics());
+                if (ui.scrollableTabSupport.moreTabsButton.isVisible()) {
+                    tabWidth += ui.scrollableTabSupport.moreTabsButton.getPreferredSize().width;
+                }
+                width = Math.max(width, tabWidth);
+                tabExtent = preferredTabAreaHeight(tabPlacement, width - tabAreaInsets.left - tabAreaInsets.right);
+                height += tabExtent;
             }
-            width = Math.max(width, tabWidth);
-            tabExtent = preferredTabAreaHeight(tabPlacement, width - tabAreaInsets.left - tabAreaInsets.right);
-            height += tabExtent;
         }
         return new Dimension(width + insets.left + insets.right + contentInsets.left + contentInsets.right,
                              height + insets.bottom + insets.top + contentInsets.top + contentInsets.bottom);
@@ -309,7 +311,9 @@ public class DarkTabbedPaneScrollLayout extends TabbedPaneScrollLayout {
         }
 
         JButton tabsButton = ui.scrollableTabSupport.moreTabsButton;
-        Rectangle selectedBounds = new Rectangle(ui.rects[ui.tabPane.getSelectedIndex()]);
+        Rectangle selectedBounds = ui.tabPane.getSelectedIndex() > 0
+                                   ? new Rectangle(ui.rects[ui.tabPane.getSelectedIndex()])
+                                   : new Rectangle(0, 0, 0, 0);
         if (!verticalTabRuns) {
             int rightMargin = size.width - (insets.right + tabAreaInsets.right
                     + insets.left + tabAreaInsets.left);
@@ -390,6 +394,7 @@ public class DarkTabbedPaneScrollLayout extends TabbedPaneScrollLayout {
         ui.tabScroller.tabPanel.invalidate();
     }
 
+
     @Override
     protected int preferredTabAreaWidth(final int tabPlacement, final int height) {
         return ui.calculateMaxTabWidth(tabPlacement);

src/main/java/com/weis/darklaf/ui/tabbedpane/DarkTabbedPaneUI.java

@@ -148,6 +148,10 @@ public class DarkTabbedPaneUI extends DarkTabbedPaneUIBridge {
         if (!scrollableTabLayoutEnabled() && drawDropRect) {
             paintDrop(g);
         }
+
+        if (tabPane.getTabCount() == 0) {
+            paintTabAreaBorder(g, tabPlacement);
+        }
     }
 
     @Override
@@ -659,6 +663,34 @@ public class DarkTabbedPaneUI extends DarkTabbedPaneUIBridge {
                               p.x, p.y, e.getClickCount(), e.isPopupTrigger(), e.getButton());
     }
 
+    @Override
+    protected int calculateMaxTabHeight(final int tabPlacement) {
+        return Math.max(super.calculateMaxTabHeight(tabPlacement), getFallBackSize());
+    }
+
+    @Override
+    protected int calculateMaxTabWidth(final int tabPlacement) {
+        return Math.max(super.calculateMaxTabWidth(tabPlacement), getFallBackSize());
+    }
+
+    @Override
+    protected int calculateTabAreaHeight(final int tabPlacement, final int horizRunCount, final int maxTabHeight) {
+        return Math.max(super.calculateTabAreaHeight(tabPlacement, horizRunCount, maxTabHeight), getFallBackSize());
+    }
+
+    @Override
+    protected int calculateTabAreaWidth(final int tabPlacement, final int vertRunCount, final int maxTabWidth) {
+        return Math.max(super.calculateTabAreaWidth(tabPlacement, vertRunCount, maxTabWidth), getFallBackSize());
+    }
+
+    protected int getFallBackSize() {
+        int max = 0;
+        if (scrollableTabLayoutEnabled() && scrollableTabSupport.newTabButton.isVisible()) {
+            max = Math.max(scrollableTabSupport.newTabButton.getPreferredSize().height, 27);
+        }
+        return max;
+    }
+
     protected void layoutTabComponents() {
         if (tabContainer == null) {
             return;

src/main/java/com/weis/darklaf/ui/tabbedpane/NewTabButton.java

@@ -57,6 +57,7 @@ public class NewTabButton extends JPanel implements UIResource {
         button.putClientProperty("JButton.thin", Boolean.TRUE);
         button.setRolloverEnabled(true);
         button.setOpaque(false);
+        button.setMargin(new Insets(2, 2, 2, 2));
         return button;
     }
 

src/main/java/com/weis/darklaf/ui/tabbedpane/TabbedPaneTransferHandler.java

@@ -168,6 +168,8 @@ public class TabbedPaneTransferHandler extends TransferHandler implements DropTa
         } else {
             index = -1;
         }
+        var tabComp = tabPane.getTabComponentAt(index);
+        if (tabComp != null) tabComp.setVisible(false);
         tabPane.setSelectedIndex(index);
         if (ui != null) {
             ui.setRolloverTab(-1);

src/main/java/com/weis/darklaf/ui/tabbedpane/TabbedPaneUtil.java

@@ -94,6 +94,7 @@ public class TabbedPaneUtil implements SwingConstants {
                                         @NotNull final JTabbedPane destTabbedPane, final JTabbedPane source,
                                         final Point mouseLocation, final Rectangle tabBounds,
                                         final int tab, final int sourceIndex, final int lastTab) {
+        if (destTabbedPane.getTabCount() == 0) return new Rectangle(0, 0, 0, 0);
         int tabPlacement = destTabbedPane.getTabPlacement();
         Rectangle destRect = destTabbedPane.getBoundsAt(Math.min(tab, destTabbedPane.getTabCount() - 1));
 
@@ -192,10 +193,14 @@ public class TabbedPaneUtil implements SwingConstants {
 
         if (tabbedPane == sourcePane && sourceIndex == tab) {
             //Nothing to do. Just select the tab to be sure.
+            var comp = sourcePane.getTabComponentAt(tab);
+            if (comp != null) comp.setVisible(true);
             selectTab(sourcePane, sourceIndex);
             return false;
         }
-        if (tab < 0 || tab > tabbedPane.getTabCount()) {
+        int destIndex = tab;
+        if (tabbedPane.getTabCount() == 0) destIndex = 0;
+        if (destIndex < 0 || destIndex > tabbedPane.getTabCount()) {
             return false;
         }
 
@@ -206,18 +211,21 @@ public class TabbedPaneUtil implements SwingConstants {
         Color foreground = sourcePane.getForegroundAt(sourceIndex);
         Component tabComp = sourcePane.getTabComponentAt(sourceIndex);
 
-        tabbedPane.insertTab(tabName, icon, comp, toolTip, tab);
+        tabbedPane.insertTab(tabName, icon, comp, toolTip, destIndex);
 
-        int index = tab;
+        int index = destIndex;
         if (tabbedPane == sourcePane) {
             if (sourceIndex < index) index--;
         }
 
         if (tabComp != null) {
+            tabComp.setVisible(true);
             tabbedPane.setTabComponentAt(index, tabComp);
         }
         tabbedPane.setForegroundAt(index, foreground);
         selectTab(tabbedPane, index);
+
+        sourcePane.revalidate();
         return true;
     }
 

src/main/java/com/weis/darklaf/ui/tabframe/DarkPanelPopupUI.java

@@ -358,6 +358,8 @@ public class DarkPanelPopupUI extends DarkPanelUI implements PropertyChangeListe
             if (focusOwner instanceof JTabFrame) return;
             if (focusOwner instanceof JRootPane) return;
             boolean focus = DarkUIUtil.hasFocus(popupComponent);
+            var container = popupComponent.getTabFrame().getContentPane().getContainer(popupComponent.getAlignment());
+            focus = focus || DarkUIUtil.hasFocus(container);
             setHeaderBackground(focus);
         }
     }

src/main/java/com/weis/darklaf/ui/tabframe/DarkTabFrameUI.java

@@ -31,7 +31,6 @@ import com.weis.darklaf.components.tabframe.TabFramePopup;
 import com.weis.darklaf.components.tabframe.TabFrameTab;
 import com.weis.darklaf.components.tabframe.TabFrameUI;
 import com.weis.darklaf.components.uiresource.JPanelUIResource;
-import com.weis.darklaf.util.DarkUIUtil;
 import com.weis.darklaf.util.Pair;
 import org.jdesktop.jxlayer.JXLayer;
 import org.jetbrains.annotations.Contract;
@@ -551,19 +550,8 @@ public class DarkTabFrameUI extends TabFrameUI implements AWTEventListener {
         if (event.getID() == MouseEvent.MOUSE_PRESSED) {
             var e = (MouseEvent) event;
             var comp = e.getComponent().getComponentAt(e.getPoint());
-            var parent = DarkUIUtil.getParentOfType(TabFramePopup.class, comp);
-            if (parent != null) {
-                parent.getComponent().requestFocus();
-                return;
-            }
-            var parent2 = DarkUIUtil.getParentOfType(PopupContainer.class, comp);
-            if (parent2 != null) {
-                parent2.getPopup().requestFocus();
-                return;
-            }
-            var parent3 = DarkUIUtil.getParentOfType(JTabFrame.class, comp);
-            if (parent3 != null && comp != null && !comp.hasFocus()) {
-                parent3.requestFocus();
+            if (comp instanceof TabFramePopup || comp instanceof PopupContainer || comp instanceof JTabFrame) {
+                comp.requestFocus();
             }
         }
     }

src/main/java/com/weis/darklaf/ui/table/DarkTableCellEditorToggleButton.java

@@ -1,6 +1,7 @@
 package com.weis.darklaf.ui.table;
 
 import com.weis.darklaf.decorators.CellRenderer;
+import com.weis.darklaf.util.DarkUIUtil;
 
 import javax.swing.*;
 import javax.swing.table.TableCellEditor;
@@ -39,7 +40,11 @@ public class DarkTableCellEditorToggleButton extends AbstractCellEditor implemen
             toggleButton.setBackground(background);
             toggleButton.setForeground(table.getForeground());
         } else {
-            toggleButton.setForeground(table.getSelectionForeground());
+            if (DarkUIUtil.hasFocus(table)) {
+                toggleButton.setForeground(table.getSelectionForeground());
+            } else {
+                toggleButton.setForeground(UIManager.getColor("Table.selectionForegroundInactive"));
+            }
             toggleButton.setBackground(table.getSelectionBackground());
         }
         return toggleButton;

src/main/java/com/weis/darklaf/ui/table/DarkTableCellRenderer.java

@@ -66,7 +66,11 @@ public class DarkTableCellRenderer extends DefaultTableCellRenderer {
             component.setBackground(background);
             component.setForeground(table.getForeground());
         } else {
-            component.setForeground(table.getSelectionForeground());
+            if (DarkUIUtil.hasFocus(table)) {
+                component.setForeground(table.getSelectionForeground());
+            } else {
+                component.setForeground(UIManager.getColor("Table.selectionForegroundInactive"));
+            }
             component.setBackground(table.getSelectionBackground());
         }
         return component;

src/main/java/com/weis/darklaf/ui/tree/DarkTreeCellEditor.java

@@ -24,6 +24,7 @@
 package com.weis.darklaf.ui.tree;
 
 import com.weis.darklaf.components.SelectableTreeNode;
+import com.weis.darklaf.util.DarkUIUtil;
 import org.jetbrains.annotations.NotNull;
 
 import javax.swing.*;
@@ -162,6 +163,14 @@ public class DarkTreeCellEditor extends DefaultCellEditor implements TreeCellEdi
         }
         editorComponent.setOpaque(false);
         editorComponent.setComponentOrientation(tree.getComponentOrientation());
+
+        if (isSelected && editorComponent instanceof JToggleButton) {
+            if (DarkUIUtil.hasFocus(tree)) {
+                editorComponent.setForeground(UIManager.getColor("Tree.selectionForeground"));
+            } else {
+                editorComponent.setForeground(UIManager.getColor("Tree.selectionForegroundInactive"));
+            }
+        }
         return editorComponent;
     }
 }

src/main/java/com/weis/darklaf/ui/tree/DarkTreeCellRenderer.java

@@ -24,6 +24,7 @@
 package com.weis.darklaf.ui.tree;
 
 import com.weis.darklaf.ui.cell.DarkCellRendererToggleButton;
+import com.weis.darklaf.util.DarkUIUtil;
 import org.jetbrains.annotations.NotNull;
 
 import javax.swing.*;
@@ -58,8 +59,11 @@ public class DarkTreeCellRenderer extends DefaultTreeCellRenderer implements Tre
             rendererComponent.setRenderComponent(comp);
             return rendererComponent;
         }
-
-        return super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);
+        var comp = super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);
+        if (sel && !DarkUIUtil.hasFocus(tree)) {
+            comp.setForeground(UIManager.getColor("Tree.selectionForegroundInactive"));
+        }
+        return comp;
     }
 
     public static Object unwrapBooleanIfPossible(final Object value) {

src/main/resources/com/weis/darklaf/properties/ui/list.properties

@@ -31,3 +31,4 @@ List.dropLineColor                    = %dropForeground
 List.selectionBackground              = %highlightFillFocus
 List.focusBorderColor                 = %borderFocus
 List.alternateRowBackground           = %backgroundAlternative
+List.selectionForegroundInactive      = %textSelectionForegroundInactive

src/main/resources/com/weis/darklaf/properties/ui/table.properties

@@ -48,6 +48,7 @@ Table.focusCellBackground              = %backgroundContainer
 Table.focusCellForeground              = %textForeground
 Table.selectionNoFocusBackground       = %highlightFill
 Table.selectionBackground              = %highlightFillFocus
+Table.selectionForegroundInactive      = %textSelectionForegroundInactive
 
 Table.alternateRowColor                = false
 Table.alternateRowBackground           = %backgroundAlternative

src/main/resources/com/weis/darklaf/properties/ui/tree.properties

@@ -35,6 +35,8 @@ Tree.lineFocusSelected                   = %borderFocus
 Tree.lineSelected                        = %gridLine
 Tree.lineUnselected                      = %gridLine
 
+Tree.selectionForegroundInactive         = %textSelectionForegroundInactive
+
 Tree.lineTypeDashed                      = false
 Tree.textBackground                      = %textBackground
 Tree.rowHeight                           = 22

src/main/resources/com/weis/darklaf/theme/intellij/intellij_defaults.properties

@@ -108,7 +108,7 @@
 %acceleratorForeground            = 505050
 
 %textSelectionForeground          = f0f0f0
-%textSelectionForegroundInactive  = f0f0f0
+%textSelectionForegroundInactive  = 000000
 %textSelectionBackground          = 5974AB
 #currentLineBackground
 %textSelectionBackgroundSecondary = FCFAED

src/test/java/TabFrameDemo.java

@@ -1,11 +1,13 @@
 import com.weis.darklaf.LafManager;
 import com.weis.darklaf.components.OverlayScrollPane;
+import com.weis.darklaf.components.SelectableTreeNode;
 import com.weis.darklaf.components.alignment.Alignment;
 import com.weis.darklaf.components.tabframe.JTabFrame;
 import com.weis.darklaf.components.tabframe.TabbedPopup;
 import com.weis.darklaf.icons.IconLoader;
 
 import javax.swing.*;
+import javax.swing.tree.DefaultMutableTreeNode;
 import java.awt.*;
 
 /*
@@ -61,6 +63,7 @@ public class TabFrameDemo {
                 panel.add(label);
                 tabbedPopup.getTabbedPane().addTab("Tab " + i, panel);
             }
+            tabFrame.setComponentAt(new JScrollPane(createTree()), Alignment.NORTH_WEST, 0);
             /* Activate for custom tab demo.
             tabFrame.setUserTabComponentAt(new JLabel("NORTH (custom tab)") {{
                 setBorder(new EmptyBorder(0, 5, 0, 5));
@@ -86,4 +89,28 @@ public class TabFrameDemo {
             frame.setVisible(true);
         });
     }
+
+    protected static JTree createTree() {
+        DefaultMutableTreeNode root = new DefaultMutableTreeNode("States");
+        DefaultMutableTreeNode parent1 = new DefaultMutableTreeNode("Andhra Pradesh");
+        DefaultMutableTreeNode child = new DefaultMutableTreeNode("Vijayawada");
+        DefaultMutableTreeNode child1 = new SelectableTreeNode("This node can be selected", true);
+        DefaultMutableTreeNode parent2 = new DefaultMutableTreeNode("Telangana");
+        DefaultMutableTreeNode child2 = new DefaultMutableTreeNode("Hyderabad");
+
+        // Adding child nodes to parent
+        parent1.add(child);
+        parent1.add(child1);
+        parent2.add(child2);
+
+        // Adding parent nodes to root
+        root.add(parent1);
+        root.add(parent2);
+
+        // Adding root to JTree
+        JTree tree = new JTree(root);
+        tree.setEditable(true);
+//        tree.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);
+        return tree;
+    }
 }

src/test/java/TabbedPaneDemo.java

@@ -13,7 +13,7 @@ public class TabbedPaneDemo extends JFrame {
         SwingUtilities.invokeLater(() -> {
             LafManager.install();
             final JFrame frame = new JFrame();
-            int tabCount = 1;
+            int tabCount = 2;
             frame.setSize(500 * tabCount, 500);
             var c = new JPanel(new GridLayout(1, 2));
             for (int j = 0; j < tabCount; j++) {
@@ -21,7 +21,7 @@ public class TabbedPaneDemo extends JFrame {
                 final var tabbedPane = new ClosableTabbedPane();
                 tabbedPane.setName("TabPane " + j);
 
-                for (int i = 0; i < 10; i++) {
+                for (int i = 0; i < j; i++) {
                     var editor = new JTextPane();
                     editor.setText("TabPaneDemo TabPane-" + j + "\n".repeat(i + 1));
                     tabbedPane.addTab("Tab (" + i + "," + j + ")", editor);
@@ -36,6 +36,8 @@ public class TabbedPaneDemo extends JFrame {
                 tabbedPane.putClientProperty("JTabbedPane.southComponent", new Label("South"));
                 tabbedPane.putClientProperty("JTabbedPane.westComponent", new Label("West"));
 
+                tabbedPane.setSelectedIndex(-1);
+
                 p.add(tabbedPane, BorderLayout.CENTER);
                 p.add(new JPanel() {{
                     setLayout(new FlowLayout(FlowLayout.LEFT));