TextField, FormattedTextField and PasswordField: support round border…

… (issue #65)

CHANGELOG.md

@@ -1,6 +1,12 @@
 FlatLaf Change Log
 ==================
 
+## Unreleased
+
+- TextField, FormattedTextField and PasswordField: Support round borders (see UI
+  default value `TextComponent.arc`). (issue #65)
+
+
 ## 0.27
 
 - Support `JInternalFrame` and `JDesktopPane`. (issues #39 and #11)

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatFormattedTextFieldUI.java

@@ -39,6 +39,7 @@
  *
  * <!-- FlatTextFieldUI -->
  *
+ * @uiDefault TextComponent.arc							int
  * @uiDefault Component.focusWidth						int
  * @uiDefault Component.minimumWidth					int
  * @uiDefault Component.isIntelliJTheme					boolean

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatPasswordFieldUI.java

@@ -51,6 +51,7 @@
  *
  * <!-- FlatPasswordFieldUI -->
  *
+ * @uiDefault TextComponent.arc						int
  * @uiDefault Component.focusWidth					int
  * @uiDefault Component.minimumWidth				int
  * @uiDefault Component.isIntelliJTheme				boolean
@@ -62,6 +63,7 @@
 public class FlatPasswordFieldUI
 	extends BasicPasswordFieldUI
 {
+	protected int arc;
 	protected int focusWidth;
 	protected int minimumWidth;
 	protected boolean isIntelliJTheme;
@@ -78,6 +80,7 @@ protected void installDefaults() {
 		super.installDefaults();
 
 		String prefix = getPropertyPrefix();
+		arc = UIManager.getInt( "TextComponent.arc" );
 		focusWidth = UIManager.getInt( "Component.focusWidth" );
 		minimumWidth = UIManager.getInt( "Component.minimumWidth" );
 		isIntelliJTheme = UIManager.getBoolean( "Component.isIntelliJTheme" );
@@ -128,7 +131,7 @@ protected void propertyChange( PropertyChangeEvent e ) {
 
 	@Override
 	protected void paintSafely( Graphics g ) {
-		FlatTextFieldUI.paintBackground( g, getComponent(), focusWidth, isIntelliJTheme );
+		FlatTextFieldUI.paintBackground( g, getComponent(), focusWidth, arc, isIntelliJTheme );
 		FlatTextFieldUI.paintPlaceholder( g, getComponent(), placeholderForeground );
 		super.paintSafely( g );
 	}

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTextBorder.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2019 FormDev Software GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.formdev.flatlaf.ui;
+
+import static com.formdev.flatlaf.util.UIScale.scale;
+import java.awt.Component;
+import javax.swing.UIManager;
+
+/**
+ * Border for various text components (e.g. {@link javax.swing.JTextField}).
+ *
+ * @uiDefault Component.arc					int
+ *
+ * @author Karl Tauber
+ */
+public class FlatTextBorder
+	extends FlatBorder
+{
+	protected final int arc = UIManager.getInt( "TextComponent.arc" );
+
+	@Override
+	protected float getArc( Component c ) {
+		return scale( (float) arc );
+	}
+}

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTextFieldUI.java

@@ -32,6 +32,7 @@
 import javax.swing.JTextField;
 import javax.swing.LookAndFeel;
 import javax.swing.UIManager;
+import javax.swing.border.Border;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.UIResource;
 import javax.swing.plaf.basic.BasicTextFieldUI;
@@ -59,6 +60,7 @@
  *
  * <!-- FlatTextFieldUI -->
  *
+ * @uiDefault TextComponent.arc					int
  * @uiDefault Component.focusWidth				int
  * @uiDefault Component.minimumWidth			int
  * @uiDefault Component.isIntelliJTheme			boolean
@@ -70,6 +72,7 @@
 public class FlatTextFieldUI
 	extends BasicTextFieldUI
 {
+	protected int arc;
 	protected int focusWidth;
 	protected int minimumWidth;
 	protected boolean isIntelliJTheme;
@@ -86,6 +89,7 @@ protected void installDefaults() {
 		super.installDefaults();
 
 		String prefix = getPropertyPrefix();
+		arc = UIManager.getInt( "TextComponent.arc" );
 		focusWidth = UIManager.getInt( "Component.focusWidth" );
 		minimumWidth = UIManager.getInt( "Component.minimumWidth" );
 		isIntelliJTheme = UIManager.getBoolean( "Component.isIntelliJTheme" );
@@ -136,7 +140,7 @@ protected void propertyChange( PropertyChangeEvent e ) {
 
 	@Override
 	protected void paintSafely( Graphics g ) {
-		paintBackground( g, getComponent(), focusWidth, isIntelliJTheme );
+		paintBackground( g, getComponent(), focusWidth, arc, isIntelliJTheme );
 		paintPlaceholder( g, getComponent(), placeholderForeground );
 		super.paintSafely( g );
 	}
@@ -146,13 +150,15 @@ protected void paintBackground( Graphics g ) {
 		// background is painted elsewhere
 	}
 
-	static void paintBackground( Graphics g, JTextComponent c, int focusWidth, boolean isIntelliJTheme ) {
+	static void paintBackground( Graphics g, JTextComponent c, int focusWidth, int arc, boolean isIntelliJTheme ) {
+		Border border = c.getBorder();
+
 		// do not paint background if:
 		//   - not opaque and
 		//   - border is not a flat border and
 		//   - opaque was explicitly set (to false)
 		// (same behaviour as in AquaTextFieldUI)
-		if( !c.isOpaque() && !(c.getBorder() instanceof FlatBorder) && FlatUIUtils.hasOpaqueBeenExplicitlySet( c ) )
+		if( !c.isOpaque() && !(border instanceof FlatBorder) && FlatUIUtils.hasOpaqueBeenExplicitlySet( c ) )
 			return;
 
 		// fill background if opaque to avoid garbage if user sets opaque to true
@@ -164,15 +170,16 @@ static void paintBackground( Graphics g, JTextComponent c, int focusWidth, boole
 		try {
 			FlatUIUtils.setRenderingHints( g2 );
 
-			float fFocusWidth = (c.getBorder() instanceof FlatBorder) ? scale( (float) focusWidth ) : 0;
+			float fFocusWidth = (border instanceof FlatBorder) ? scale( (float) focusWidth ) : 0;
+			float fArc = (border instanceof FlatTextBorder) ? scale( (float) arc ) : 0;
 
 			Color background = c.getBackground();
 			g2.setColor( !(background instanceof UIResource)
 				? background
 				: (isIntelliJTheme && (!c.isEnabled() || !c.isEditable())
 					? FlatUIUtils.getParentBackground( c )
 					: background) );
-			FlatUIUtils.paintComponentBackground( g2, 0, 0, c.getWidth(), c.getHeight(), fFocusWidth, 0 );
+			FlatUIUtils.paintComponentBackground( g2, 0, 0, c.getWidth(), c.getHeight(), fFocusWidth, fArc );
 		} finally {
 			g2.dispose();
 		}

flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLaf.properties

@@ -189,7 +189,7 @@ FileView.floppyDriveIcon=com.formdev.flatlaf.icons.FlatFileViewFloppyDriveIcon
 
 #---- FormattedTextField ----
 
-FormattedTextField.border=com.formdev.flatlaf.ui.FlatBorder
+FormattedTextField.border=com.formdev.flatlaf.ui.FlatTextBorder
 FormattedTextField.margin=@textComponentMargin
 FormattedTextField.background=@textComponentBackground
 FormattedTextField.placeholderForeground=@disabledText
@@ -296,7 +296,7 @@ OptionPane.warningIcon=com.formdev.flatlaf.icons.FlatOptionPaneWarningIcon
 
 #---- PasswordField ----
 
-PasswordField.border=com.formdev.flatlaf.ui.FlatBorder
+PasswordField.border=com.formdev.flatlaf.ui.FlatTextBorder
 PasswordField.margin=@textComponentMargin
 PasswordField.background=@textComponentBackground
 PasswordField.placeholderForeground=@disabledText
@@ -457,11 +457,12 @@ TextArea.background=@textComponentBackground
 
 # allowed values: "never", "once" (default) or "always"
 TextComponent.selectAllOnFocusPolicy=once
+TextComponent.arc=0
 
 
 #---- TextField ----
 
-TextField.border=com.formdev.flatlaf.ui.FlatBorder
+TextField.border=com.formdev.flatlaf.ui.FlatTextBorder
 TextField.margin=@textComponentMargin
 TextField.background=@textComponentBackground
 TextField.placeholderForeground=@disabledText