Fixed borders of JTabFrame not being applied correctly.

Fixed PopupColorChooser not being displayed.
Made ButtonConstants.KEY_SQUARE only affect the shape of the button without changing its arc.
ButtonConstants.VARIANT_BORDERLESS no longer leaves the default borderSize of space to the edge of the component. Use AbstractButton#setMargin instead.

core/src/main/java/com/github/weisj/darklaf/components/border/MutableLineBorder.java

@@ -83,7 +83,7 @@ public class MutableLineBorder extends AbstractBorder {
 
     @Override
     public Insets getBorderInsets(final Component c, final Insets insets) {
-        insets.left = getRight();
+        insets.left = getLeft();
         insets.top = getTop();
         insets.right = getRight();
         insets.bottom = getBottom();

core/src/main/java/com/github/weisj/darklaf/components/color/PopupColorChooser.java

@@ -35,6 +35,7 @@ import com.github.weisj.darklaf.components.tooltip.ToolTipContext;
 import com.github.weisj.darklaf.ui.DarkPopupFactory;
 import com.github.weisj.darklaf.ui.tooltip.DarkToolTipUI;
 import com.github.weisj.darklaf.ui.tooltip.DarkTooltipBorder;
+import com.github.weisj.darklaf.ui.tooltip.ToolTipConstants;
 import com.github.weisj.darklaf.util.Alignment;
 import com.github.weisj.darklaf.util.DarkUIUtil;
 
@@ -72,6 +73,7 @@ public class PopupColorChooser extends JToolTip {
     @Override
     public void updateUI() {
         putClientProperty(DarkPopupFactory.KEY_FOCUSABLE_POPUP, true);
+        putClientProperty(DarkToolTipUI.KEY_STYLE, ToolTipConstants.VARIANT_BALLOON);
         putClientProperty(DarkToolTipUI.KEY_CONTEXT, getContext());
         super.updateUI();
         setBackground(UIManager.getColor("ColorChooser.background"));
@@ -154,7 +156,7 @@ public class PopupColorChooser extends JToolTip {
 
     @Override
     public String getTipText() {
-        return "";
+        return ToolTipConstants.NO_TEXT;
     }
 
     @Override

core/src/main/java/com/github/weisj/darklaf/components/color/SmallColorChooser.java

@@ -190,7 +190,6 @@ public class SmallColorChooser extends JPanel {
                                                                                  c.getBlue()));
         pipetteButton.putClientProperty(DarkButtonUI.KEY_THIN, Boolean.TRUE);
         pipetteButton.putClientProperty(DarkButtonUI.KEY_SQUARE, Boolean.TRUE);
-        pipetteButton.putClientProperty(DarkButtonUI.KEY_ALT_ARC, Boolean.TRUE);
         pipetteButton.setRolloverEnabled(true);
         pipetteButton.setFocusable(false);
         pipetteButton.setIcon(pipetteIcon);

core/src/main/java/com/github/weisj/darklaf/ui/button/ButtonConstants.java

@@ -61,22 +61,17 @@ public interface ButtonConstants {
         return PropertyUtil.getBooleanProperty(c, KEY_ALT_ARC);
     }
 
-    static boolean isLabelButton(final Component c) {
-        return PropertyUtil.getBooleanProperty(c, KEY_VARIANT);
-    }
-
     static int chooseArcWithBorder(final Component c, final int arc, final int minimum,
-                                   final int squareArc, final int borderSize) {
-        return chooseArc(c, arc, minimum, squareArc, c.getHeight() - 2 * borderSize);
+                                   final int altArc, final int borderSize) {
+        return chooseArc(c, arc, minimum, altArc, c.getHeight() - 2 * borderSize);
     }
 
     static int chooseArc(final Component c, final int arc, final int minimum,
-                         final int squareArc, final int roundedArc) {
+                         final int altArc, final int roundedArc) {
         if (ButtonConstants.isNoArc(c)) return minimum;
         if (ButtonConstants.isRound(c)) return roundedArc;
-        boolean square = ButtonConstants.isSquare(c);
         boolean alt = ButtonConstants.chooseAlternativeArc(c);
-        return square ? alt ? arc : squareArc : alt ? squareArc : arc;
+        return alt ? altArc : arc;
     }
 
     static boolean isNoArc(final Component c) {
@@ -99,12 +94,15 @@ public interface ButtonConstants {
     static boolean isBorderlessVariant(final Component c) {
         if (isBorderlessRectangular(c)) return true;
         if (c instanceof JButton || c instanceof JToggleButton) {
-            return PropertyUtil.isPropertyEqual(c, KEY_VARIANT, VARIANT_BORDERLESS)
-                   || doConvertToBorderless((AbstractButton) c);
+            return isBorderless(c) || doConvertToBorderless((AbstractButton) c);
         }
         return false;
     }
 
+    static boolean isBorderless(final Component c) {
+        return PropertyUtil.isPropertyEqual(c, KEY_VARIANT, VARIANT_BORDERLESS);
+    }
+
     static boolean isBorderlessRectangular(final Component c) {
         return PropertyUtil.isPropertyEqual(c, KEY_VARIANT, VARIANT_BORDERLESS_RECTANGULAR);
     }

core/src/main/java/com/github/weisj/darklaf/ui/button/DarkButtonBorder.java

@@ -50,7 +50,7 @@ public class DarkButtonBorder implements Border, UIResource {
     private final int arc;
     private final int focusArc;
     private final int squareFocusArc;
-    private final int squareArc;
+    private final int altArc;
     private final int minimumArc;
     private final int borderSize;
     private final int shadowSize;
@@ -58,7 +58,6 @@ public class DarkButtonBorder implements Border, UIResource {
     private Insets thinInsets;
     private Insets squareInsets;
     private Insets squareThinInsets;
-    private Insets labelInsets;
     private Insets borderlessRectangularInsets;
 
     public DarkButtonBorder() {
@@ -69,7 +68,7 @@ public class DarkButtonBorder implements Border, UIResource {
         arc = UIManager.getInt("Button.arc");
         focusArc = UIManager.getInt("Button.focusArc");
         squareFocusArc = UIManager.getInt("Button.squareFocusArc");
-        squareArc = UIManager.getInt("Button.squareArc");
+        altArc = UIManager.getInt("Button.altArc");
         minimumArc = UIManager.getInt("Button.minimumArc");
         borderSize = UIManager.getInt("Button.borderThickness");
         shadowSize = UIManager.getInt("Button.shadowHeight");
@@ -77,18 +76,16 @@ public class DarkButtonBorder implements Border, UIResource {
         thinInsets = UIManager.getInsets("Button.thinBorderInsets");
         squareInsets = UIManager.getInsets("Button.squareBorderInsets");
         squareThinInsets = UIManager.getInsets("Button.squareThinBorderInsets");
-        labelInsets = UIManager.getInsets("Button.onlyLabelInsets");
         borderlessRectangularInsets = UIManager.getInsets("Button.borderlessRectangularInsets");
         if (insets == null) insets = new Insets(0, 0, 0, 0);
         if (thinInsets == null) thinInsets = new Insets(0, 0, 0, 0);
         if (squareThinInsets == null) squareThinInsets = new Insets(0, 0, 0, 0);
         if (squareInsets == null) squareInsets = new Insets(0, 0, 0, 0);
         if (borderlessRectangularInsets == null) borderlessRectangularInsets = new Insets(0, 0, 0, 0);
-        if (labelInsets == null) labelInsets = new Insets(0, 0, 0, 0);
     }
 
     public static boolean showDropShadow(final JComponent c) {
-        return showDropShadow(getCornerFlag(c));
+        return showDropShadow(getCornerFlag(c)) && !ButtonConstants.isBorderlessVariant(c);
     }
 
     public static boolean showDropShadow(final AlignmentExt a) {
@@ -103,7 +100,7 @@ public class DarkButtonBorder implements Border, UIResource {
     }
 
     protected int getArc(final Component c) {
-        return ButtonConstants.chooseArcWithBorder(c, arc, 0, squareArc, getBorderSize());
+        return ButtonConstants.chooseArcWithBorder(c, arc, 0, altArc, getBorderSize());
     }
 
     protected int getFocusArc(final Component c) {
@@ -129,7 +126,7 @@ public class DarkButtonBorder implements Border, UIResource {
     @Override
     public void paintBorder(final Component c, final Graphics g,
                             final int x, final int y, final int width, final int height) {
-        if (ButtonConstants.isBorderlessVariant(c) || ButtonConstants.isLabelButton(c)) {
+        if (ButtonConstants.isBorderlessVariant(c)) {
             return;
         }
         Graphics2D g2 = (Graphics2D) g;
@@ -298,10 +295,6 @@ public class DarkButtonBorder implements Border, UIResource {
                                               borderlessRectangularInsets.bottom, borderlessRectangularInsets.right);
             return getInsets(ins, margins);
         }
-        if (ButtonConstants.isLabelButton(c)) {
-            Insets ins = new InsetsUIResource(labelInsets.top, labelInsets.left, labelInsets.bottom, labelInsets.right);
-            return getInsets(ins, margins);
-        }
         boolean shadowVariant = ButtonConstants.isBorderlessVariant(c);
         int shadow = shadowVariant ? 0 : getShadowSize();
         boolean square = ButtonConstants.isSquare(c);
@@ -314,9 +307,6 @@ public class DarkButtonBorder implements Border, UIResource {
     }
 
     protected Insets getInsets(final Insets ins, final Insets margin) {
-        if (margin != null && !(margin instanceof UIResource)) {
-            return margin;
-        }
         return ins;
     }
 

core/src/main/java/com/github/weisj/darklaf/ui/button/DarkButtonUI.java

@@ -80,7 +80,7 @@ public class DarkButtonUI extends BasicButtonUI implements ButtonConstants {
     protected Color shadowColor;
     protected AbstractButton button;
     protected int arc;
-    protected int squareArc;
+    protected int altArc;
     protected KeyListener keyListener;
 
     public static ComponentUI createUI(final JComponent c) {
@@ -116,7 +116,7 @@ public class DarkButtonUI extends BasicButtonUI implements ButtonConstants {
         borderlessOutlineHover = UIManager.getColor("Button.borderless.outline.hover");
         borderlessOutlineClick = UIManager.getColor("Button.borderless.outline.click");
         arc = UIManager.getInt("Button.arc");
-        squareArc = UIManager.getInt("Button.squareArc");
+        altArc = UIManager.getInt("Button.altArc");
         drawOutline = UIManager.getBoolean("Button.borderless.drawOutline");
     }
 
@@ -149,9 +149,7 @@ public class DarkButtonUI extends BasicButtonUI implements ButtonConstants {
     public void paint(final Graphics g, final JComponent c) {
         GraphicsContext config = new GraphicsContext(g);
         AbstractButton b = (AbstractButton) c;
-        if (!ButtonConstants.isNoBackground(b)) {
-            paintButtonBackground(g, c);
-        }
+        paintButtonBackground(g, c);
 
         prepareDelegate(b);
         String text = layout(layoutDelegate, b, SwingUtilities2.getFontMetrics(b, g, layoutDelegate.getFont()),
@@ -164,8 +162,8 @@ public class DarkButtonUI extends BasicButtonUI implements ButtonConstants {
 
     protected void paintButtonBackground(final Graphics g, final JComponent c) {
         Graphics2D g2 = (Graphics2D) g;
-        if (shouldDrawBackground(c)) {
-            AbstractButton b = (AbstractButton) c;
+        AbstractButton b = (AbstractButton) c;
+        if (shouldDrawBackground(b)) {
             int arc = getArc(c);
             int width = c.getWidth();
             int height = c.getHeight();
@@ -232,8 +230,6 @@ public class DarkButtonUI extends BasicButtonUI implements ButtonConstants {
         if (isRolloverBorderless(b)) {
             GraphicsUtil.setupAAPainting(g);
             g.setColor(getBorderlessBackground(b));
-            boolean borderlessRectangular = ButtonConstants.isBorderlessRectangular(b);
-            if (!borderlessRectangular) DarkUIUtil.addInsets(margin, borderSize);
             if (ButtonConstants.isBorderlessRectangular(b)) {
                 g.fillRect(margin.left, margin.top, width - margin.left - margin.right,
                            height - margin.top - margin.bottom);
@@ -296,15 +292,14 @@ public class DarkButtonUI extends BasicButtonUI implements ButtonConstants {
         DarkUIUtil.repaint(ButtonConstants.getNeighbour(KEY_BOTTOM_LEFT_NEIGHBOUR, button));
     }
 
-    protected boolean shouldDrawBackground(final JComponent c) {
-        if (ButtonConstants.isLabelButton(c)) return false;
-        AbstractButton button = (AbstractButton) c;
+    protected boolean shouldDrawBackground(final AbstractButton c) {
+        if (ButtonConstants.isNoBackground(c)) return false;
         Border border = c.getBorder();
         return c.isEnabled() && border != null && button.isContentAreaFilled();
     }
 
     protected int getArc(final Component c) {
-        return ButtonConstants.chooseArc(c, arc, 0, squareArc, borderSize);
+        return ButtonConstants.chooseArc(c, arc, 0, altArc, borderSize);
     }
 
     protected Color getForeground(final AbstractButton button) {
@@ -407,7 +402,12 @@ public class DarkButtonUI extends BasicButtonUI implements ButtonConstants {
     public Dimension getPreferredSize(final JComponent c) {
         AbstractButton b = (AbstractButton) c;
         prepareDelegate(b);
-        return BasicGraphicsUtils.getPreferredButtonSize(layoutDelegate, b.getIconTextGap());
+        Dimension dim = BasicGraphicsUtils.getPreferredButtonSize(layoutDelegate, b.getIconTextGap());
+        if (ButtonConstants.isSquare(b)) {
+            int size = Math.max(dim.width, dim.height);
+            dim.setSize(size, size);
+        }
+        return dim;
     }
 
     protected void prepareDelegate(final AbstractButton b) {
@@ -422,11 +422,11 @@ public class DarkButtonUI extends BasicButtonUI implements ButtonConstants {
 
     @Override
     public boolean contains(final JComponent c, final int x, final int y) {
-        if (ButtonConstants.isLabelButton(c)) {
+        if (ButtonConstants.isBorderlessRectangular(c)) {
             return super.contains(c, x, y);
         }
         if (!(x >= 0 && x <= c.getWidth() && y >= 0 && y <= c.getHeight())) return false;
-        int bs = c.getBorder() instanceof DarkButtonBorder ? borderSize : 0;
+        int bs = c.getBorder() instanceof DarkButtonBorder && !ButtonConstants.isBorderless(c) ? borderSize : 0;
         int arc = getArc(c);
         hitArea.setRoundRect(bs, bs, c.getWidth() - 2 * bs, c.getHeight() - 2 * bs, arc, arc);
         return hitArea.contains(x, y);

core/src/main/java/com/github/weisj/darklaf/ui/colorchooser/DarkColorChooserPanel.java

@@ -318,9 +318,7 @@ public class DarkColorChooserPanel extends AbstractColorChooserPanel implements
 
     private JButton createPipetteButton() {
         JButton pipetteButton = new JButton();
-        pipetteButton.putClientProperty(DarkButtonUI.KEY_THIN, Boolean.TRUE);
         pipetteButton.putClientProperty(DarkButtonUI.KEY_SQUARE, Boolean.TRUE);
-        pipetteButton.putClientProperty(DarkButtonUI.KEY_ALT_ARC, Boolean.TRUE);
         pipetteButton.setRolloverEnabled(true);
         pipetteButton.setFocusable(false);
 

core/src/main/java/com/github/weisj/darklaf/ui/filechooser/DarkFileChooserUI.java

@@ -345,8 +345,6 @@ public class DarkFileChooserUI extends DarkFileChooserUIBridge {
     protected void setupButton(final AbstractButton button, final String accessibleName, final String tipText) {
         button.putClientProperty(DarkButtonUI.KEY_NO_BORDERLESS_OVERWRITE, true);
         button.putClientProperty(DarkButtonUI.KEY_SQUARE, true);
-        button.putClientProperty(DarkButtonUI.KEY_ALT_ARC, true);
-        button.putClientProperty(DarkButtonUI.KEY_SQUARE, true);
         button.setAlignmentX(JComponent.LEFT_ALIGNMENT);
         button.setAlignmentY(JComponent.CENTER_ALIGNMENT);
         button.setToolTipText(tipText);

core/src/main/java/com/github/weisj/darklaf/ui/internalframe/DarkInternalFrameTitlePane.java

@@ -62,6 +62,8 @@ public class DarkInternalFrameTitlePane extends BasicInternalFrameTitlePane impl
     private ToggleIcon maximizeIcon;
     private ToggleIcon iconifyIcon;
 
+    private int buttonMarginPad;
+
     private boolean useExternalMenuBar;
 
     public DarkInternalFrameTitlePane(final JInternalFrame f) {
@@ -132,6 +134,8 @@ public class DarkInternalFrameTitlePane extends BasicInternalFrameTitlePane impl
         buttonColorClick = UIManager.getColor("InternalFrameTitlePane.buttonClickColor");
 
         border = UIManager.getColor("InternalFrameTitlePane.borderColor");
+
+        buttonMarginPad = UIManager.getInt("InternalFrameTitlePane.buttonPad");
     }
 
     @Override
@@ -204,7 +208,7 @@ public class DarkInternalFrameTitlePane extends BasicInternalFrameTitlePane impl
         return frame.isSelected() ? selectedTitleColor : notSelectedTitleColor;
     }
 
-    private static JButton createButton(final String accessibleName) {
+    private JButton createButton(final String accessibleName) {
         JButton button = new JButtonUIResource() {
             @Override
             public boolean isRolloverEnabled() {
@@ -216,7 +220,7 @@ public class DarkInternalFrameTitlePane extends BasicInternalFrameTitlePane impl
         button.putClientProperty(DarkButtonUI.KEY_VARIANT, DarkButtonUI.VARIANT_BORDERLESS);
         button.putClientProperty(DarkButtonUI.KEY_SQUARE, true);
         button.putClientProperty(DarkButtonUI.KEY_THIN, true);
-        button.putClientProperty(DarkButtonUI.KEY_ALT_ARC, true);
+        button.setMargin(new Insets(buttonMarginPad, buttonMarginPad, buttonMarginPad, buttonMarginPad));
         button.putClientProperty(AccessibleContext.ACCESSIBLE_NAME_PROPERTY, accessibleName);
         button.setText(null);
         return button;

core/src/main/java/com/github/weisj/darklaf/ui/tabbedpane/NewTabButton.java

@@ -57,8 +57,9 @@ public class NewTabButton extends JPanel implements UIResource {
         button.setFocusable(false);
         button.putClientProperty(DarkButtonUI.KEY_VARIANT, DarkButtonUI.VARIANT_BORDERLESS);
         button.putClientProperty(DarkButtonUI.KEY_SQUARE, Boolean.TRUE);
-        button.putClientProperty(DarkButtonUI.KEY_ALT_ARC, Boolean.TRUE);
         button.putClientProperty(DarkButtonUI.KEY_THIN, Boolean.TRUE);
+        int pad = UIManager.getInt("TabbedPane.newTabButton.pad");
+        button.setMargin(new Insets(pad, pad, pad, pad));
         button.setRolloverEnabled(true);
         button.setOpaque(false);
         return button;

core/src/main/java/com/github/weisj/darklaf/ui/tabframe/DarkPanelPopupUI.java

@@ -38,10 +38,7 @@ import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.UIResource;
 
 import com.github.weisj.darklaf.components.border.MutableLineBorder;
-import com.github.weisj.darklaf.components.tabframe.JTabFrame;
-import com.github.weisj.darklaf.components.tabframe.PanelPopup;
-import com.github.weisj.darklaf.components.tabframe.TabFramePopup;
-import com.github.weisj.darklaf.components.tabframe.TabFramePopupUI;
+import com.github.weisj.darklaf.components.tabframe.*;
 import com.github.weisj.darklaf.components.uiresource.JLabelUIResource;
 import com.github.weisj.darklaf.ui.button.DarkButtonUI;
 import com.github.weisj.darklaf.ui.panel.DarkPanelUI;
@@ -185,6 +182,7 @@ public class DarkPanelPopupUI extends DarkPanelUI implements PropertyChangeListe
         super.uninstallUI(c);
         uninstallComponents();
         uninstallListeners();
+        popupComponent.removeAll();
         popupComponent.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT)
                       .remove(KeyStroke.getKeyStroke(accelerator));
         popupComponent.getActionMap().remove(accelerator);
@@ -274,11 +272,24 @@ public class DarkPanelPopupUI extends DarkPanelUI implements PropertyChangeListe
             JTabFrame tabFrame = popupComponent.getTabFrame();
             boolean[] status = tabFrame.getContentPane().getStatus();
             Alignment alignment = popupComponent.getAlignment();
-            Insets insets = getBorderSize(alignment, status);
+            Insets insets = getBorderSize(tabFrame, alignment, status);
 
             applyBorderInsets(insets);
+            Component component = popupComponent.getComponent();
             popupComponent.doLayout();
             popupComponent.repaint();
+            if (component != null && component != popupComponent) {
+                component.doLayout();
+                component.repaint();
+            }
+            if (header != null) {
+                Component headerParent = header.getParent();
+                if (headerParent != null) {
+                    headerParent.doLayout();
+                    headerParent.repaint();
+                }
+            }
+
             if (notifyPeer) {
                 try {
                     Component peer = tabFrame.getPopupComponentAt(tabFrame.getPeer(popupComponent.getAlignment()));
@@ -288,12 +299,12 @@ public class DarkPanelPopupUI extends DarkPanelUI implements PropertyChangeListe
         }
     }
 
-    protected Insets getBorderSize(final Alignment a, final boolean[] info) {
+    protected Insets getBorderSize(final JTabFrame tabFrame, final Alignment a, final boolean[] info) {
         Insets insets = new Insets(0, 0, 0, 0);
         switch (a) {
             case NORTH :
             case NORTH_EAST :
-                if (info[Alignment.NORTH.getIndex()] || info[Alignment.NORTH_EAST.getIndex()]) {
+                if (info[a.getIndex()] || info[tabFrame.getPeer(a).getIndex()]) {
                     insets.bottom = 1;
                 }
                 if (info[Alignment.NORTH.getIndex()] && a == Alignment.NORTH_EAST) {
@@ -302,7 +313,7 @@ public class DarkPanelPopupUI extends DarkPanelUI implements PropertyChangeListe
                 return insets;
             case SOUTH :
             case SOUTH_WEST :
-                if (info[Alignment.SOUTH_WEST.getIndex()] || info[Alignment.SOUTH.getIndex()]) {
+                if (info[a.getIndex()] || info[tabFrame.getPeer(a).getIndex()]) {
                     insets.top = 1;
                 }
                 if (info[Alignment.SOUTH_WEST.getIndex()] && a == Alignment.SOUTH) {
@@ -311,7 +322,7 @@ public class DarkPanelPopupUI extends DarkPanelUI implements PropertyChangeListe
                 return insets;
             case EAST :
             case SOUTH_EAST :
-                if (info[Alignment.EAST.getIndex()] || info[Alignment.SOUTH_EAST.getIndex()]) {
+                if (info[a.getIndex()] || info[tabFrame.getPeer(a).getIndex()]) {
                     insets.left = 1;
                 }
                 if (info[Alignment.EAST.getIndex()] && a == Alignment.SOUTH_EAST) {
@@ -320,7 +331,7 @@ public class DarkPanelPopupUI extends DarkPanelUI implements PropertyChangeListe
                 return insets;
             case WEST :
             case NORTH_WEST :
-                if (info[Alignment.NORTH_WEST.getIndex()] || info[Alignment.WEST.getIndex()]) {
+                if (info[a.getIndex()] || info[tabFrame.getPeer(a).getIndex()]) {
                     insets.right = 1;
                 }
                 if (info[Alignment.NORTH_WEST.getIndex()] && a == Alignment.WEST) {
@@ -365,12 +376,12 @@ public class DarkPanelPopupUI extends DarkPanelUI implements PropertyChangeListe
             super(icon);
             this.ui = ui;
             putClientProperty(DarkButtonUI.KEY_SQUARE, true);
-            putClientProperty(DarkButtonUI.KEY_ALT_ARC, true);
             putClientProperty(DarkButtonUI.KEY_THIN, true);
             putClientProperty(DarkButtonUI.KEY_VARIANT, DarkButtonUI.VARIANT_BORDERLESS);
             putClientProperty(ToolTipConstants.KEY_STYLE, ToolTipConstants.VARIANT_BALLOON);
             setRolloverEnabled(true);
-            setMargin(UIManager.getInsets("TabFramePopup.headerButton.insets"));
+            Insets ins = UIManager.getInsets("TabFramePopup.headerButton.insets");
+            setMargin(new Insets(ins.top, ins.left, ins.bottom, ins.right));
             setFocus(false);
             setFocusable(false);
             setOpaque(false);

core/src/main/java/com/github/weisj/darklaf/ui/tabframe/DarkTabFramePopupHeaderBorder.java

@@ -24,9 +24,9 @@
  */
 package com.github.weisj.darklaf.ui.tabframe;
 
-import javax.swing.plaf.BorderUIResource;
+import javax.swing.border.EmptyBorder;
 
-public class DarkTabFramePopupHeaderBorder extends BorderUIResource.EmptyBorderUIResource {
+public class DarkTabFramePopupHeaderBorder extends EmptyBorder {
 
     public DarkTabFramePopupHeaderBorder() {
         super(1, 0, 1, 0);

core/src/main/java/com/github/weisj/darklaf/ui/text/DarkTextUI.java

@@ -43,6 +43,7 @@ import javax.swing.text.JTextComponent;
 import javax.swing.text.Keymap;
 
 import com.github.weisj.darklaf.components.border.MarginBorderWrapper;
+import com.github.weisj.darklaf.components.tooltip.ToolTipStyle;
 import com.github.weisj.darklaf.graphics.GraphicsContext;
 import com.github.weisj.darklaf.graphics.GraphicsUtil;
 import com.github.weisj.darklaf.graphics.PaintUtil;
@@ -52,6 +53,7 @@ import com.github.weisj.darklaf.ui.table.TextTableCellEditorBorder;
 import com.github.weisj.darklaf.ui.text.action.DarkKeyTypedAction;
 import com.github.weisj.darklaf.ui.text.action.ToggleInsertAction;
 import com.github.weisj.darklaf.ui.text.popup.DarkTextPopupMenu;
+import com.github.weisj.darklaf.ui.tooltip.ToolTipConstants;
 import com.github.weisj.darklaf.ui.tree.DarkTreeUI;
 import com.github.weisj.darklaf.util.DarkUIUtil;
 import com.github.weisj.darklaf.util.PropertyUtil;
@@ -115,6 +117,7 @@ public abstract class DarkTextUI extends BasicTextUI implements PropertyChangeLi
             editor.setBorder(null);
         }
         if (editor != null) {
+            PropertyUtil.installProperty(editor, ToolTipConstants.KEY_STYLE, ToolTipStyle.PLAIN);
             PropertyUtil.installBooleanProperty(editor, KEY_ROUNDED_SELECTION, "TextComponent.roundedSelection");
             PropertyUtil.installBooleanProperty(editor, KEY_EXTEND_LINE_SELECTION,
                                                 getPropertyPrefix() + ".extendSelection");

core/src/main/java/com/github/weisj/darklaf/ui/tooltip/DarkToolTipUI.java

@@ -170,7 +170,9 @@ public class DarkToolTipUI extends BasicToolTipUI implements PropertyChangeListe
 
     @Override
     public void paint(final Graphics g, final JComponent c) {
-        if (getTipText().isEmpty()) return;
+        if (getTipText().isEmpty()) {
+            return;
+        }
         boolean isPlain = style == ToolTipStyle.PLAIN;
         if (animationScheduled) {
             startAnimation();
@@ -205,11 +207,14 @@ public class DarkToolTipUI extends BasicToolTipUI implements PropertyChangeListe
         g.setColor(c.getForeground());
         String tipText = getTipText();
 
-        Insets insets = c.getInsets();
-        Rectangle paintTextR = new Rectangle(insets.left, insets.top,
-                                             size.width - (insets.left + insets.right),
-                                             size.height - (insets.top + insets.bottom));
-        PaintUtil.drawString(g, c, tipText, paintTextR);
+        // noinspection StringEquality
+        if (tipText != NO_TEXT) {
+            Insets insets = c.getInsets();
+            Rectangle paintTextR = new Rectangle(insets.left, insets.top,
+                                                 size.width - (insets.left + insets.right),
+                                                 size.height - (insets.top + insets.bottom));
+            PaintUtil.drawString(g, c, tipText, paintTextR);
+        }
     }
 
     protected String getTipText() {

core/src/main/java/com/github/weisj/darklaf/ui/tooltip/ToolTipConstants.java

@@ -36,4 +36,5 @@ public interface ToolTipConstants {
     String VARIANT_PLAIN_BALLOON = "plainBalloon";
     String TIP_TEXT_PROPERTY = "tiptext";
     String KEY_CONTEXT = "JToolTip.toolTipContext";
+    String NO_TEXT = "NO_TEXT";
 }

core/src/main/resources/com/github/weisj/darklaf/properties/ui/button.properties

@@ -42,7 +42,7 @@ Button.activeFillColorRollOver     = %hoverHighlight
 Button.activeFillColorClick        = %clickHighlight
 
 Button.arc                         = %arc
-Button.squareArc                   = 0
+Button.altArc                      = 0
 Button.focusArc                    = %arcFocus
 Button.squareFocusArc              = 0
 Button.minimumArc                  = 0
@@ -53,7 +53,6 @@ Button.borderInsets                = 7,16,7,16
 Button.thinBorderInsets            = 4,8,4,8
 Button.squareThinBorderInsets      = 4,4,4,4
 Button.squareBorderInsets          = 7,7,7,7
-Button.onlyLabelInsets             = 0,0,0,0
 Button.borderlessRectangularInsets = 0,0,0,0
 
 Button.borderless.hover            = %hoverHighlight

core/src/main/resources/com/github/weisj/darklaf/properties/ui/internalFrame.properties

@@ -43,6 +43,7 @@ InternalFrameTitlePane.selectedButtonClickColor = %clickHighlightColorful
 InternalFrameTitlePane.buttonColor              = %background
 InternalFrameTitlePane.buttonHoverColor         = %hoverHighlight
 InternalFrameTitlePane.buttonClickColor         = %clickHighlight
+InternalFrameTitlePane.buttonPad                = 2
 
 InternalFrame.activeTitleForeground             = %textForeground
 InternalFrame.inactiveTitleForeground           = %textForegroundInactive

core/src/main/resources/com/github/weisj/darklaf/properties/ui/tabFrame.properties

@@ -45,7 +45,7 @@ TabFramePopup.closeAccelerator                   = shift pressed ESCAPE
 TabFramePopup.closeTooltipText                   = Close (shift ESC)
 
 TabFramePopup.headerButton.tooltipInsets         = 5,5,5,5
-TabFramePopup.headerButton.insets                = 2,2,2,2
+TabFramePopup.headerButton.insets                = 1,1,1,1
 TabFramePopup.minimumHeaderSize                  = null
 
 TabFramePopup.borderColor                        = %border

core/src/main/resources/com/github/weisj/darklaf/properties/ui/tabbedPane.properties

@@ -57,6 +57,7 @@ TabbedPane.tabAreaInsets           = 0,0,0,0
 
 TabbedPane.moreTabsButton.fontSize = 8
 TabbedPane.moreTabsButton.pad      = 2
+TabbedPane.newTabButton.pad        = 2
 
 #Icons
 TabbedPane.newTab.icon             = navigation/add.svg[themed]

core/src/test/java/ui/ComponentDemo.java

@@ -39,12 +39,14 @@ import javax.swing.event.MenuListener;
 import com.github.weisj.darklaf.LafManager;
 import com.github.weisj.darklaf.graphics.ImageUtil;
 import com.github.weisj.darklaf.settings.ThemeSettings;
+import com.github.weisj.darklaf.theme.IntelliJTheme;
 import com.github.weisj.darklaf.theme.Theme;
 import com.github.weisj.darklaf.theme.info.PreferredThemeStyle;
 
 public interface ComponentDemo {
 
     static Theme getTheme() {
+        if (true) return new IntelliJTheme();
         PreferredThemeStyle themeStyle = LafManager.getPreferredThemeStyle();
         return LafManager.themeForPreferredStyle(new PreferredThemeStyle(themeStyle.getContrastRule(),
                                                                          themeStyle.getColorToneRule()));