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Diffstat (limited to 'libjava/javax/swing/plaf/basic/BasicButtonUI.java')
| -rw-r--r-- | libjava/javax/swing/plaf/basic/BasicButtonUI.java | 421 |
1 files changed, 0 insertions, 421 deletions
diff --git a/libjava/javax/swing/plaf/basic/BasicButtonUI.java b/libjava/javax/swing/plaf/basic/BasicButtonUI.java deleted file mode 100644 index d55c776b1d3..00000000000 --- a/libjava/javax/swing/plaf/basic/BasicButtonUI.java +++ /dev/null @@ -1,421 +0,0 @@ -/* BasicButtonUI.java -- - Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package javax.swing.plaf.basic; - -import java.awt.Color; -import java.awt.Dimension; -import java.awt.Font; -import java.awt.FontMetrics; -import java.awt.Graphics; -import java.awt.Rectangle; - -import javax.swing.AbstractButton; -import javax.swing.ButtonModel; -import javax.swing.Icon; -import javax.swing.InputMap; -import javax.swing.JComponent; -import javax.swing.SwingUtilities; -import javax.swing.UIDefaults; -import javax.swing.UIManager; -import javax.swing.plaf.ButtonUI; -import javax.swing.plaf.ComponentUI; - -public class BasicButtonUI extends ButtonUI -{ - /** - * A constant used to pad out elements in the button's layout and - * preferred size calculations. - */ - protected int defaultTextIconGap = 4; - - /** - * A constant added to the defaultTextIconGap to adjust the text - * within this particular button. - */ - protected int defaultTextShiftOffset = 0; - - private int textShiftOffset; - - private Color focusColor; - - /** - * Factory method to create an instance of BasicButtonUI for a given - * {@link JComponent}, which should be an {@link AbstractButton}. - * - * @param c The component to create a UI got - * - * @return A new UI capable of drawing the component - */ - public static ComponentUI createUI(final JComponent c) - { - return new BasicButtonUI(); - } - - public int getDefaultTextIconGap(AbstractButton b) - { - return defaultTextIconGap; - } - - protected void clearTextShiftOffset() - { - textShiftOffset = 0; - } - - protected int getTextShiftOffset() - { - return textShiftOffset; - } - - protected void setTextShiftOffset() - { - textShiftOffset = defaultTextShiftOffset; - } - - /** - * Returns the prefix for the UI defaults property for this UI class. - * This is 'Button' for this class. - * - * @return the prefix for the UI defaults property - */ - protected String getPropertyPrefix() - { - return "Button"; - } - - protected void installDefaults(AbstractButton b) - { - UIDefaults defaults = UIManager.getLookAndFeelDefaults(); - String prefix = getPropertyPrefix(); - focusColor = defaults.getColor(prefix + ".focus"); - b.setForeground(defaults.getColor(prefix + ".foreground")); - b.setBackground(defaults.getColor(prefix + ".background")); - b.setMargin(defaults.getInsets(prefix + ".margin")); - b.setBorder(defaults.getBorder(prefix + ".border")); - b.setIconTextGap(defaults.getInt(prefix + ".textIconGap")); - b.setInputMap(JComponent.WHEN_FOCUSED, - (InputMap) defaults.get(prefix + ".focusInputMap")); - b.setOpaque(true); - } - - protected void uninstallDefaults(AbstractButton b) - { - b.setForeground(null); - b.setBackground(null); - b.setBorder(null); - b.setIconTextGap(defaultTextIconGap); - b.setMargin(null); - } - - protected BasicButtonListener listener; - - protected BasicButtonListener createButtonListener(AbstractButton b) - { - return new BasicButtonListener(b); - } - - protected void installListeners(AbstractButton b) - { - listener = createButtonListener(b); - b.addChangeListener(listener); - b.addPropertyChangeListener(listener); - b.addFocusListener(listener); - b.addMouseListener(listener); - b.addMouseMotionListener(listener); - } - - protected void uninstallListeners(AbstractButton b) - { - b.removeChangeListener(listener); - b.removePropertyChangeListener(listener); - b.removeFocusListener(listener); - b.removeMouseListener(listener); - b.removeMouseMotionListener(listener); - } - - protected void installKeyboardActions(AbstractButton b) - { - listener.installKeyboardActions(b); - } - - protected void uninstallKeyboardActions(AbstractButton b) - { - listener.uninstallKeyboardActions(b); - } - - /** - * Install the BasicButtonUI as the UI for a particular component. - * This means registering all the UI's listeners with the component, - * and setting any properties of the button which are particular to - * this look and feel. - * - * @param c The component to install the UI into - */ - public void installUI(final JComponent c) - { - super.installUI(c); - if (c instanceof AbstractButton) - { - AbstractButton b = (AbstractButton) c; - installDefaults(b); - installListeners(b); - installKeyboardActions(b); - } - } - - /** - * Calculate the preferred size of this component, by delegating to - * {@link BasicGraphicsUtils.getPreferredButtonSize}. - * - * @param c The component to measure - * - * @return The preferred dimensions of the component - */ - public Dimension getPreferredSize(JComponent c) - { - AbstractButton b = (AbstractButton)c; - Dimension d = - BasicGraphicsUtils.getPreferredButtonSize - (b, defaultTextIconGap + defaultTextShiftOffset); - return d; - } - - private static Icon currentIcon(AbstractButton b) - { - Icon i = b.getIcon(); - ButtonModel model = b.getModel(); - - if (model.isPressed() && b.getPressedIcon() != null) - i = b.getPressedIcon(); - - else if (model.isRollover()) - { - if (b.isSelected() && b.getRolloverSelectedIcon() != null) - i = b.getRolloverSelectedIcon(); - else if (b.getRolloverIcon() != null) - i = b.getRolloverIcon(); - } - - else if (b.isSelected()) - { - if (b.isEnabled() && b.getSelectedIcon() != null) - i = b.getSelectedIcon(); - else if (b.getDisabledSelectedIcon() != null) - i = b.getDisabledSelectedIcon(); - } - - else if (! b.isEnabled() && b.getDisabledIcon() != null) - i = b.getDisabledIcon(); - - return i; - } - - /** - * Paint the component, which is an {@link AbstractButton}, according to - * its current state. - * - * @param g The graphics context to paint with - * @param c The component to paint the state of - */ - public void paint(Graphics g, JComponent c) - { - AbstractButton b = (AbstractButton) c; - - Rectangle tr = new Rectangle(); - Rectangle ir = new Rectangle(); - Rectangle vr = new Rectangle(); - - Font f = c.getFont(); - - g.setFont(f); - - SwingUtilities.calculateInnerArea(b, vr); - String text = SwingUtilities.layoutCompoundLabel(c, g.getFontMetrics(f), - b.getText(), - currentIcon(b), - b.getVerticalAlignment(), - b.getHorizontalAlignment(), - b.getVerticalTextPosition(), - b.getHorizontalTextPosition(), - vr, ir, tr, - b.getIconTextGap() - + defaultTextShiftOffset); - - if ((b.getModel().isArmed() && b.getModel().isPressed()) - || b.isSelected()) - paintButtonPressed(g, b); - else - paintButtonNormal(g, vr, c); - - paintIcon(g, c, ir); - if (text != null) - paintText(g, b, tr, text); - paintFocus(g, b, vr, tr, ir); - } - - /** - * Paint any focus decoration this {@link JComponent} might have. The - * component, which in this case will be an {@link AbstractButton}, - * should only have focus decoration painted if it has the focus, and its - * "focusPainted" property is <code>true</code>. - * - * @param g Graphics context to paint with - * @param b Button to paint the focus of - * @param vr Visible rectangle, the area in which to paint - * @param tr Text rectangle, contained in visible rectangle - * @param ir Icon rectangle, contained in visible rectangle - * - * @see AbstractButton.isFocusPainted() - * @see JComponent.hasFocus() - */ - protected void paintFocus(Graphics g, AbstractButton b, Rectangle vr, - Rectangle tr, Rectangle ir) - { - if (b.hasFocus() && b.isFocusPainted()) - { - Color saved_color = g.getColor(); - g.setColor(focusColor); - Rectangle focusRect = ir.union(tr); - g.drawRect(focusRect.x, focusRect.y, - focusRect.width, focusRect.height); - g.setColor(saved_color); - } - } - - /** - * Paint the icon for this component. Depending on the state of the - * component and the availability of the button's various icon - * properties, this might mean painting one of several different icons. - * - * @param g Graphics context to paint with - * @param c Component to paint the icon of - * @param iconRect Rectangle in which the icon should be painted - */ - protected void paintIcon(Graphics g, JComponent c, Rectangle iconRect) - { - AbstractButton b = (AbstractButton) c; - Icon i = currentIcon(b); - - if (i != null) - i.paintIcon(c, g, iconRect.x, iconRect.y); - } - - /** - * Paints the background area of an {@link AbstractButton} in the pressed - * state. This means filling the supplied area with the {@link - * pressedBackgroundColor}. - * - * @param g The graphics context to paint with - * @param b The button to paint the state of - */ - protected void paintButtonPressed(Graphics g, AbstractButton b) - { - if (b.isContentAreaFilled()) - { - Rectangle area = new Rectangle(); - SwingUtilities.calculateInnerArea(b, area); - g.setColor(b.getBackground().darker()); - g.fillRect(area.x, area.y, area.width, area.height); - } - } - - /** - * Paints the background area of an {@link AbstractButton} in the normal, - * non-pressed state. This means filling the supplied area with the - * {@link normalBackgroundColor}. - * - * @param g The graphics context to paint with - * @param area The area in which to paint - * @param b The component to paint the state of - */ - private void paintButtonNormal(Graphics g, Rectangle area, JComponent b) - { - if (((AbstractButton)b).isContentAreaFilled() && b.isOpaque()) - { - g.setColor(b.getBackground()); - g.fillRect(area.x, area.y, area.width, area.height); - } - } - - /** - * Paints the "text" property of an {@link AbstractButton}, using the - * {@link textColor} color. - * - * @param g The graphics context to paint with - * @param c The component to paint the state of - * @param textRect The area in which to paint the text - * @param text The text to paint - */ - protected void paintText(Graphics g, JComponent c, Rectangle textRect, - String text) - { - paintText(g, (AbstractButton) c, textRect, text); - } - - /** - * Paints the "text" property of an {@link AbstractButton}, using the - * {@link textColor} color. - * - * @param g The graphics context to paint with - * @param b The button to paint the state of - * @param textRect The area in which to paint the text - * @param text The text to paint - * - * @since 1.4 - */ - protected void paintText(Graphics g, AbstractButton b, Rectangle textRect, - String text) - { - Font f = b.getFont(); - g.setFont(f); - FontMetrics fm = g.getFontMetrics(f); - - if (b.isEnabled()) - { - g.setColor(b.getForeground()); - g.drawString(text, textRect.x, textRect.y + fm.getAscent()); - } - else - { - g.setColor(b.getBackground().brighter()); - g.drawString(text, textRect.x, textRect.y + fm.getAscent()); - g.setColor(b.getBackground().darker()); - g.drawString(text, textRect.x + 1, textRect.y + fm.getAscent() + 1); - } - } -} |
