Added full demo of ButtonUI.

Fixed text staying bold when the button is no longer a default button.
Fixed text being approximately the same as the background while it is a default button and is a shadow variant.
Fixed button not updating when properties change.
Changed the thin property to be boolean based.

Signed-off-by: weisj <weisj@arcor.de>

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

@@ -40,12 +40,14 @@ import javax.swing.plaf.basic.BasicHTML;
 import javax.swing.text.View;
 import java.awt.*;
 import java.awt.geom.RoundRectangle2D;
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
 
 /**
  * @author Konstantin Bulenkov
  * @author Jannis Weis
  */
-public class DarkButtonUI extends BasicButtonUI {
+public class DarkButtonUI extends BasicButtonUI implements PropertyChangeListener {
 
     protected static final Rectangle viewRect = new Rectangle();
     protected static final Rectangle textRect = new Rectangle();
@@ -100,18 +102,21 @@ public class DarkButtonUI extends BasicButtonUI {
         squareArc = UIManager.getInt("Button.squareArc");
     }
 
-    @Override
-    public void paint(final Graphics g, final JComponent c) {
-        GraphicsContext config = new GraphicsContext(g);
-        AbstractButton b = (AbstractButton) c;
-        paintButton(g, c);
+    @Contract("null -> false")
+    public static boolean isSquare(final Component c) {
+        return c instanceof JButton && Boolean.TRUE.equals(((JButton) c).getClientProperty("JButton.square"));
+    }
 
-        String text = layout(b, c, SwingUtilities2.getFontMetrics(b, g),
-                             b.getWidth(), b.getHeight());
+    @Override
+    protected void installListeners(final AbstractButton b) {
+        super.installListeners(b);
+        b.addPropertyChangeListener(this);
+    }
 
-        paintIcon(g, b, c);
-        paintText(g, b, c, text);
-        config.restore();
+    @Override
+    protected void uninstallListeners(final AbstractButton b) {
+        super.uninstallListeners(b);
+        b.removePropertyChangeListener(this);
     }
 
     @Override
@@ -136,12 +141,18 @@ public class DarkButtonUI extends BasicButtonUI {
         config.restore();
     }
 
-    protected Color getForeground(@NotNull final AbstractButton button) {
-        Color fg = button.getForeground();
-        if (fg instanceof UIResource && isDefaultButton(button)) {
-            fg = defaultForeground;
-        }
-        return fg;
+    @Override
+    public void paint(final Graphics g, final JComponent c) {
+        GraphicsContext config = new GraphicsContext(g);
+        AbstractButton b = (AbstractButton) c;
+        paintButton(g, c);
+
+        String text = layout(b, c, SwingUtilities2.getFontMetrics(b, g),
+                             b.getWidth(), b.getHeight());
+
+        paintIcon(g, b, c);
+        paintText(g, b, c, text);
+        config.restore();
     }
 
     protected boolean isDefaultButton(final JComponent c) {
@@ -284,9 +295,12 @@ public class DarkButtonUI extends BasicButtonUI {
         context.restore();
     }
 
-    @Contract("null -> false")
-    public static boolean isSquare(final Component c) {
-        return c instanceof JButton && "square".equals(((JButton) c).getClientProperty("JButton.buttonType"));
+    protected Color getForeground(@NotNull final AbstractButton button) {
+        Color fg = button.getForeground();
+        if (fg instanceof UIResource && isDefaultButton(button) && !isShadowVariant(button)) {
+            fg = defaultForeground;
+        }
+        return fg;
     }
 
     @Contract("null -> false")
@@ -310,8 +324,11 @@ public class DarkButtonUI extends BasicButtonUI {
     @Override
     public void update(final Graphics g, final JComponent c) {
         super.update(g, c);
-        if (c instanceof JButton && ((JButton) c).isDefaultButton() && !SystemInfo.isMac && !c.getFont().isBold()) {
+        boolean isDefaultButton = isDefaultButton(c) && !SystemInfo.isMac;
+        if (isDefaultButton && !c.getFont().isBold()) {
             c.setFont(c.getFont().deriveFont(Font.BOLD));
+        } else if (!isDefaultButton && c.getFont().isBold()) {
+            c.setFont(c.getFont().deriveFont(Font.PLAIN));
         }
     }
 
@@ -326,4 +343,13 @@ public class DarkButtonUI extends BasicButtonUI {
         return new RoundRectangle2D.Float(bs, bs, c.getWidth() - 2 * bs, c.getWidth() - 2 * bs,
                                           arc, arc).contains(x, y);
     }
+
+    @Override
+    public void propertyChange(@NotNull final PropertyChangeEvent evt) {
+        String key = evt.getPropertyName();
+        if (key.startsWith("JButton.")) {
+            button.repaint();
+            button.revalidate();
+        }
+    }
 }

src/main/java/com/github/weisj/darklaf/ui/tabbedpane/MoreTabsButton.java

@@ -44,7 +44,7 @@ public class MoreTabsButton extends DarkTabAreaButton {
         icon = ui.getMoreTabsIcon();
         setIcon(EmptyIcon.create(icon.getIconWidth(), icon.getIconHeight()));
         putClientProperty("JButton.variant", "onlyLabel");
-        putClientProperty("JButton.buttonType", "square");
+        putClientProperty("JButton.square", true);
         setFont(getFont().deriveFont(8f));
     }
 

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

@@ -52,7 +52,7 @@ public class NewTabButton extends JPanel implements UIResource {
         JButton button = new JButton();
         button.setIcon(ui.getNewTabIcon());
         button.putClientProperty("JButton.variant", "shadow");
-        button.putClientProperty("JButton.buttonType", "square");
+        button.putClientProperty("JButton.square", true);
         button.putClientProperty("JButton.alternativeArc", Boolean.TRUE);
         button.putClientProperty("JButton.thin", Boolean.TRUE);
         button.setRolloverEnabled(true);

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

@@ -374,7 +374,7 @@ public class DarkPanelPopupUI extends DarkPanelUI implements PropertyChangeListe
         public HeaderButton(@NotNull final Icon icon, final DarkPanelPopupUI ui) {
             super(icon);
             this.ui = ui;
-            putClientProperty("JButton.buttonType", "square");
+            putClientProperty("JButton.square", true);
             putClientProperty("JButton.alternativeArc", Boolean.TRUE);
             putClientProperty("JButton.variant", "shadow");
             setRolloverEnabled(true);

src/main/java/com/github/weisj/darklaf/ui/tabframe/DarkTabbedPopupUI.java

@@ -158,7 +158,7 @@ public class DarkTabbedPopupUI extends DarkPanelPopupUI {
         protected JButton createButton() {
             HeaderButton button = new HeaderButton(ui.getNewTabIcon(), DarkTabbedPopupUI.this);
             button.putClientProperty("JButton.variant", "shadow");
-            button.putClientProperty("JButton.buttonType", "square");
+            button.putClientProperty("JButton.square", true);
             button.putClientProperty("JButton.thin", Boolean.TRUE);
             button.setRolloverEnabled(true);
             button.setOpaque(false);

src/test/java/UIDemo.java

@@ -87,12 +87,12 @@ public final class UIDemo {
                             }});
                             add(new JButton(folderIcon) {{
                                 setRolloverEnabled(true);
-                                putClientProperty("JButton.buttonType", "square");
+                                putClientProperty("JButton.square", true);
                                 putClientProperty("JButton.variant", "shadow");
                             }});
                             add(new JButton(folderIcon) {{
                                 setRolloverEnabled(true);
-                                putClientProperty("JButton.buttonType", "square");
+                                putClientProperty("JButton.square", true);
                                 putClientProperty("JButton.thin", Boolean.TRUE);
                                 putClientProperty("JButton.alternativeArc", Boolean.TRUE);
                                 putClientProperty("JButton.variant", "shadow");
@@ -166,7 +166,7 @@ public final class UIDemo {
                             putClientProperty("ToggleButton.variant", "slider");
                         }});
                         add(new JButton("square") {{
-                            putClientProperty("JButton.buttonType", "square");
+                            putClientProperty("JButton.square", true);
                         }});
                     }});
                     panel.add(taskpanecontainer);

src/test/java/demo/ButtonDemo.java

@@ -0,0 +1,106 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 Jannis Weis
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package demo;
+
+import com.github.weisj.darklaf.LafManager;
+import com.github.weisj.darklaf.icons.IconLoader;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class ButtonDemo implements ComponentDemo {
+
+    public static void main(final String[] args) {
+        SwingUtilities.invokeLater(() -> {
+            LafManager.install();
+            JFrame frame = DemoPanel.createFrame();
+            frame.setContentPane(new ButtonDemo().createComponent());
+            frame.pack();
+            frame.setVisible(true);
+        });
+    }
+
+    @Override
+    public JComponent createComponent() {
+        Icon icon = IconLoader.get().getIcon("files/folder.svg", 19, 19, true);
+        JButton button = new JButton("Test Button", icon);
+        DemoPanel panel = new DemoPanel(button);
+        JPanel controlPanel = panel.getControls();
+        controlPanel.setLayout(new GridLayout(5, 2));
+        controlPanel.add(new JCheckBox("enabled") {{
+            setSelected(button.isEnabled());
+            addActionListener(e -> button.setEnabled(isSelected()));
+        }});
+        controlPanel.add(new JCheckBox("default") {{
+            setSelected(button.isDefaultButton());
+            addActionListener(e -> SwingUtilities.getRootPane(button).setDefaultButton(isSelected() ? button
+                                                                                                    : null));
+        }});
+        controlPanel.add(new JCheckBox("LeftToRight") {{
+            setSelected(button.getComponentOrientation().isLeftToRight());
+            addActionListener(e -> button.setComponentOrientation(isSelected() ? ComponentOrientation.LEFT_TO_RIGHT
+                                                                               : ComponentOrientation.RIGHT_TO_LEFT));
+        }});
+        controlPanel.add(new JCheckBox("Rollover") {{
+            setSelected(button.isRolloverEnabled());
+            addActionListener(e -> button.setRolloverEnabled(isSelected()));
+        }});
+        controlPanel.add(new JCheckBox("JButton.square") {{
+            setSelected(false);
+            addActionListener(e -> button.putClientProperty("JButton.square", isSelected()));
+        }});
+        controlPanel.add(new JCheckBox("JButton.thin") {{
+            setSelected(false);
+            addActionListener(e -> button.putClientProperty("JButton.thin", isSelected()));
+        }});
+        controlPanel.add(new JCheckBox("JButton.alternativeArc") {{
+            setSelected(false);
+            addActionListener(e -> button.putClientProperty("JButton.alternativeArc", isSelected()));
+        }});
+        controlPanel.add(new JComboBox<String>() {{
+            addItem("JButton.variant = onlyLabel");
+            addItem("JButton.variant = shadow");
+            addItem("JButton.variant = fullShadow");
+            addItem("no JButton.variant");
+            setSelectedItem("no JButton.variant");
+            addItemListener(e -> {
+                if (e.getItem().equals("JButton.variant = onlyLabel")) {
+                    button.putClientProperty("JButton.variant", "onlyLabel");
+                } else if (e.getItem().equals("JButton.variant = shadow")) {
+                    button.putClientProperty("JButton.variant", "shadow");
+                } else if (e.getItem().equals("JButton.variant = fullShadow")) {
+                    button.putClientProperty("JButton.variant", "fullShadow");
+                } else {
+                    button.putClientProperty("JButton.variant", null);
+                }
+            });
+        }});
+        controlPanel.add(new QuickColorChooser("JButton.shadow.hover", Color.BLACK,
+                                               (b, c) -> button.putClientProperty("JButton.shadow.hover", b ? c : null)));
+        controlPanel.add(new QuickColorChooser("JButton.shadow.click", Color.BLACK,
+                                               (b, c) -> button.putClientProperty("JButton.shadow.click", b ? c : null)));
+        return panel;
+    }
+
+}

src/test/java/demo/ComponentDemo.java

@@ -0,0 +1,31 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 Jannis Weis
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package demo;
+
+import javax.swing.*;
+
+public interface ComponentDemo {
+
+    JComponent createComponent();
+}

src/test/java/demo/DemoPanel.java

@@ -0,0 +1,56 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 Jannis Weis
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package demo;
+
+import com.github.weisj.darklaf.components.border.DarkBorders;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class DemoPanel extends JPanel {
+
+    private final JPanel controls;
+
+    public DemoPanel(final JComponent component) {
+        super(new BorderLayout());
+        JPanel content = new JPanel(new GridBagLayout());
+        content.add(component, null);
+        add(content, BorderLayout.CENTER);
+        controls = new JPanel();
+        controls.setBorder(DarkBorders.createLineBorder(1, 0, 0, 0));
+        controls.setLayout(new BoxLayout(controls, BoxLayout.X_AXIS));
+        add(controls, BorderLayout.SOUTH);
+    }
+
+    public static JFrame createFrame() {
+        JFrame frame = new JFrame();
+        frame.setLocationRelativeTo(null);
+        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+        return frame;
+    }
+
+    public JPanel getControls() {
+        return controls;
+    }
+}

src/test/java/demo/QuickColorChooser.java

@@ -0,0 +1,59 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 Jannis Weis
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package demo;
+
+import com.github.weisj.darklaf.decorators.MouseClickListener;
+
+import javax.swing.*;
+import java.awt.*;
+import java.util.function.BiConsumer;
+
+public class QuickColorChooser extends JPanel {
+
+    private final SolidColorIcon icon;
+    private final JCheckBox checkBox;
+
+    public QuickColorChooser(final String title, final Color color, final BiConsumer<Boolean, Color> onStatusChange) {
+        super(new FlowLayout(FlowLayout.LEFT, 0, 0));
+        icon = new SolidColorIcon(color);
+        JLabel label = new JLabel(title, icon, JLabel.LEFT);
+        checkBox = new JCheckBox();
+        checkBox.addActionListener(e -> onStatusChange.accept(isSelected(), getColor()));
+        label.addMouseListener((MouseClickListener) e -> {
+            Color c = JColorChooser.showDialog(QuickColorChooser.this, title, icon.getColor());
+            onStatusChange.accept(isSelected(), c);
+            icon.setColor(c);
+        });
+        add(checkBox);
+        add(label);
+    }
+
+    public boolean isSelected() {
+        return checkBox.isSelected();
+    }
+
+    public Color getColor() {
+        return icon.getColor();
+    }
+}

src/test/java/demo/SolidColorIcon.java

@@ -0,0 +1,69 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 Jannis Weis
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package demo;
+
+import org.jetbrains.annotations.NotNull;
+
+import javax.swing.*;
+import java.awt.*;
+
+final class SolidColorIcon implements Icon {
+    private final int width;
+    private final int height;
+    private Color color;
+
+    SolidColorIcon(final Color color) {
+        this(color, 16, 16);
+    }
+
+    private SolidColorIcon(final Color color, final int width, final int height) {
+        this.color = color;
+        this.width = width;
+        this.height = height;
+    }
+
+    @Override
+    public void paintIcon(final Component c, @NotNull final Graphics g, final int x, final int y) {
+        g.setColor(color);
+        g.fillRect(x, y, getIconWidth(), getIconHeight());
+    }
+
+    @Override
+    public int getIconWidth() {
+        return width;
+    }
+
+    @Override
+    public int getIconHeight() {
+        return height;
+    }
+
+    public Color getColor() {
+        return color;
+    }
+
+    public void setColor(final Color c) {
+        this.color = c;
+    }
+}