| /* |
| * Copyright (c) 1998, 2009, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.swing.plaf.metal; |
| |
| import javax.swing.plaf.basic.BasicSliderUI; |
| |
| import java.awt.Graphics; |
| import java.awt.Dimension; |
| import java.awt.Rectangle; |
| import java.awt.Color; |
| import java.beans.*; |
| |
| import javax.swing.*; |
| import javax.swing.plaf.*; |
| |
| /** |
| * A Java L&F implementation of SliderUI. |
| * <p> |
| * <strong>Warning:</strong> |
| * Serialized objects of this class will not be compatible with |
| * future Swing releases. The current serialization support is |
| * appropriate for short term storage or RMI between applications running |
| * the same version of Swing. As of 1.4, support for long term storage |
| * of all JavaBeans<sup><font size="-2">TM</font></sup> |
| * has been added to the <code>java.beans</code> package. |
| * Please see {@link java.beans.XMLEncoder}. |
| * |
| * @author Tom Santos |
| */ |
| public class MetalSliderUI extends BasicSliderUI { |
| |
| protected final int TICK_BUFFER = 4; |
| protected boolean filledSlider = false; |
| // NOTE: these next five variables are currently unused. |
| protected static Color thumbColor; |
| protected static Color highlightColor; |
| protected static Color darkShadowColor; |
| protected static int trackWidth; |
| protected static int tickLength; |
| private int safeLength; |
| |
| /** |
| * A default horizontal thumb <code>Icon</code>. This field might not be |
| * used. To change the <code>Icon</code> used by this delgate directly set it |
| * using the <code>Slider.horizontalThumbIcon</code> UIManager property. |
| */ |
| protected static Icon horizThumbIcon; |
| |
| /** |
| * A default vertical thumb <code>Icon</code>. This field might not be |
| * used. To change the <code>Icon</code> used by this delgate directly set it |
| * using the <code>Slider.verticalThumbIcon</code> UIManager property. |
| */ |
| protected static Icon vertThumbIcon; |
| |
| private static Icon SAFE_HORIZ_THUMB_ICON; |
| private static Icon SAFE_VERT_THUMB_ICON; |
| |
| |
| protected final String SLIDER_FILL = "JSlider.isFilled"; |
| |
| public static ComponentUI createUI(JComponent c) { |
| return new MetalSliderUI(); |
| } |
| |
| public MetalSliderUI() { |
| super( null ); |
| } |
| |
| private static Icon getHorizThumbIcon() { |
| if (System.getSecurityManager() != null) { |
| return SAFE_HORIZ_THUMB_ICON; |
| } else { |
| return horizThumbIcon; |
| } |
| } |
| |
| private static Icon getVertThumbIcon() { |
| if (System.getSecurityManager() != null) { |
| return SAFE_VERT_THUMB_ICON; |
| } else { |
| return vertThumbIcon; |
| } |
| } |
| |
| public void installUI( JComponent c ) { |
| trackWidth = ((Integer)UIManager.get( "Slider.trackWidth" )).intValue(); |
| tickLength = safeLength = ((Integer)UIManager.get( "Slider.majorTickLength" )).intValue(); |
| horizThumbIcon = SAFE_HORIZ_THUMB_ICON = |
| UIManager.getIcon( "Slider.horizontalThumbIcon" ); |
| vertThumbIcon = SAFE_VERT_THUMB_ICON = |
| UIManager.getIcon( "Slider.verticalThumbIcon" ); |
| |
| super.installUI( c ); |
| |
| thumbColor = UIManager.getColor("Slider.thumb"); |
| highlightColor = UIManager.getColor("Slider.highlight"); |
| darkShadowColor = UIManager.getColor("Slider.darkShadow"); |
| |
| scrollListener.setScrollByBlock( false ); |
| |
| prepareFilledSliderField(); |
| } |
| |
| protected PropertyChangeListener createPropertyChangeListener( JSlider slider ) { |
| return new MetalPropertyListener(); |
| } |
| |
| protected class MetalPropertyListener extends BasicSliderUI.PropertyChangeHandler { |
| public void propertyChange( PropertyChangeEvent e ) { // listen for slider fill |
| super.propertyChange( e ); |
| |
| if (e.getPropertyName().equals(SLIDER_FILL)) { |
| prepareFilledSliderField(); |
| } |
| } |
| } |
| |
| private void prepareFilledSliderField() { |
| // Use true for Ocean theme |
| filledSlider = MetalLookAndFeel.usingOcean(); |
| |
| Object sliderFillProp = slider.getClientProperty(SLIDER_FILL); |
| |
| if (sliderFillProp != null) { |
| filledSlider = ((Boolean) sliderFillProp).booleanValue(); |
| } |
| } |
| |
| public void paintThumb(Graphics g) { |
| Rectangle knobBounds = thumbRect; |
| |
| g.translate( knobBounds.x, knobBounds.y ); |
| |
| if ( slider.getOrientation() == JSlider.HORIZONTAL ) { |
| getHorizThumbIcon().paintIcon( slider, g, 0, 0 ); |
| } |
| else { |
| getVertThumbIcon().paintIcon( slider, g, 0, 0 ); |
| } |
| |
| g.translate( -knobBounds.x, -knobBounds.y ); |
| } |
| |
| /** |
| * Returns a rectangle enclosing the track that will be painted. |
| */ |
| private Rectangle getPaintTrackRect() { |
| int trackLeft = 0, trackRight, trackTop = 0, trackBottom; |
| if (slider.getOrientation() == JSlider.HORIZONTAL) { |
| trackBottom = (trackRect.height - 1) - getThumbOverhang(); |
| trackTop = trackBottom - (getTrackWidth() - 1); |
| trackRight = trackRect.width - 1; |
| } |
| else { |
| if (MetalUtils.isLeftToRight(slider)) { |
| trackLeft = (trackRect.width - getThumbOverhang()) - |
| getTrackWidth(); |
| trackRight = (trackRect.width - getThumbOverhang()) - 1; |
| } |
| else { |
| trackLeft = getThumbOverhang(); |
| trackRight = getThumbOverhang() + getTrackWidth() - 1; |
| } |
| trackBottom = trackRect.height - 1; |
| } |
| return new Rectangle(trackRect.x + trackLeft, trackRect.y + trackTop, |
| trackRight - trackLeft, trackBottom - trackTop); |
| } |
| |
| public void paintTrack(Graphics g) { |
| if (MetalLookAndFeel.usingOcean()) { |
| oceanPaintTrack(g); |
| return; |
| } |
| Color trackColor = !slider.isEnabled() ? MetalLookAndFeel.getControlShadow() : |
| slider.getForeground(); |
| |
| boolean leftToRight = MetalUtils.isLeftToRight(slider); |
| |
| g.translate( trackRect.x, trackRect.y ); |
| |
| int trackLeft = 0; |
| int trackTop = 0; |
| int trackRight; |
| int trackBottom; |
| |
| // Draw the track |
| if ( slider.getOrientation() == JSlider.HORIZONTAL ) { |
| trackBottom = (trackRect.height - 1) - getThumbOverhang(); |
| trackTop = trackBottom - (getTrackWidth() - 1); |
| trackRight = trackRect.width - 1; |
| } |
| else { |
| if (leftToRight) { |
| trackLeft = (trackRect.width - getThumbOverhang()) - |
| getTrackWidth(); |
| trackRight = (trackRect.width - getThumbOverhang()) - 1; |
| } |
| else { |
| trackLeft = getThumbOverhang(); |
| trackRight = getThumbOverhang() + getTrackWidth() - 1; |
| } |
| trackBottom = trackRect.height - 1; |
| } |
| |
| if ( slider.isEnabled() ) { |
| g.setColor( MetalLookAndFeel.getControlDarkShadow() ); |
| g.drawRect( trackLeft, trackTop, |
| (trackRight - trackLeft) - 1, (trackBottom - trackTop) - 1 ); |
| |
| g.setColor( MetalLookAndFeel.getControlHighlight() ); |
| g.drawLine( trackLeft + 1, trackBottom, trackRight, trackBottom ); |
| g.drawLine( trackRight, trackTop + 1, trackRight, trackBottom ); |
| |
| g.setColor( MetalLookAndFeel.getControlShadow() ); |
| g.drawLine( trackLeft + 1, trackTop + 1, trackRight - 2, trackTop + 1 ); |
| g.drawLine( trackLeft + 1, trackTop + 1, trackLeft + 1, trackBottom - 2 ); |
| } |
| else { |
| g.setColor( MetalLookAndFeel.getControlShadow() ); |
| g.drawRect( trackLeft, trackTop, |
| (trackRight - trackLeft) - 1, (trackBottom - trackTop) - 1 ); |
| } |
| |
| // Draw the fill |
| if ( filledSlider ) { |
| int middleOfThumb; |
| int fillTop; |
| int fillLeft; |
| int fillBottom; |
| int fillRight; |
| |
| if ( slider.getOrientation() == JSlider.HORIZONTAL ) { |
| middleOfThumb = thumbRect.x + (thumbRect.width / 2); |
| middleOfThumb -= trackRect.x; // To compensate for the g.translate() |
| fillTop = !slider.isEnabled() ? trackTop : trackTop + 1; |
| fillBottom = !slider.isEnabled() ? trackBottom - 1 : trackBottom - 2; |
| |
| if ( !drawInverted() ) { |
| fillLeft = !slider.isEnabled() ? trackLeft : trackLeft + 1; |
| fillRight = middleOfThumb; |
| } |
| else { |
| fillLeft = middleOfThumb; |
| fillRight = !slider.isEnabled() ? trackRight - 1 : trackRight - 2; |
| } |
| } |
| else { |
| middleOfThumb = thumbRect.y + (thumbRect.height / 2); |
| middleOfThumb -= trackRect.y; // To compensate for the g.translate() |
| fillLeft = !slider.isEnabled() ? trackLeft : trackLeft + 1; |
| fillRight = !slider.isEnabled() ? trackRight - 1 : trackRight - 2; |
| |
| if ( !drawInverted() ) { |
| fillTop = middleOfThumb; |
| fillBottom = !slider.isEnabled() ? trackBottom - 1 : trackBottom - 2; |
| } |
| else { |
| fillTop = !slider.isEnabled() ? trackTop : trackTop + 1; |
| fillBottom = middleOfThumb; |
| } |
| } |
| |
| if ( slider.isEnabled() ) { |
| g.setColor( slider.getBackground() ); |
| g.drawLine( fillLeft, fillTop, fillRight, fillTop ); |
| g.drawLine( fillLeft, fillTop, fillLeft, fillBottom ); |
| |
| g.setColor( MetalLookAndFeel.getControlShadow() ); |
| g.fillRect( fillLeft + 1, fillTop + 1, |
| fillRight - fillLeft, fillBottom - fillTop ); |
| } |
| else { |
| g.setColor( MetalLookAndFeel.getControlShadow() ); |
| g.fillRect(fillLeft, fillTop, fillRight - fillLeft, fillBottom - fillTop); |
| } |
| } |
| |
| g.translate( -trackRect.x, -trackRect.y ); |
| } |
| |
| private void oceanPaintTrack(Graphics g) { |
| boolean leftToRight = MetalUtils.isLeftToRight(slider); |
| boolean drawInverted = drawInverted(); |
| Color sliderAltTrackColor = (Color)UIManager.get( |
| "Slider.altTrackColor"); |
| |
| // Translate to the origin of the painting rectangle |
| Rectangle paintRect = getPaintTrackRect(); |
| g.translate(paintRect.x, paintRect.y); |
| |
| // Width and height of the painting rectangle. |
| int w = paintRect.width; |
| int h = paintRect.height; |
| |
| if (slider.getOrientation() == JSlider.HORIZONTAL) { |
| int middleOfThumb = thumbRect.x + thumbRect.width / 2 - paintRect.x; |
| |
| if (slider.isEnabled()) { |
| int fillMinX; |
| int fillMaxX; |
| |
| if (middleOfThumb > 0) { |
| g.setColor(drawInverted ? MetalLookAndFeel.getControlDarkShadow() : |
| MetalLookAndFeel.getPrimaryControlDarkShadow()); |
| |
| g.drawRect(0, 0, middleOfThumb - 1, h - 1); |
| } |
| |
| if (middleOfThumb < w) { |
| g.setColor(drawInverted ? MetalLookAndFeel.getPrimaryControlDarkShadow() : |
| MetalLookAndFeel.getControlDarkShadow()); |
| |
| g.drawRect(middleOfThumb, 0, w - middleOfThumb - 1, h - 1); |
| } |
| |
| if (filledSlider) { |
| g.setColor(MetalLookAndFeel.getPrimaryControlShadow()); |
| if (drawInverted) { |
| fillMinX = middleOfThumb; |
| fillMaxX = w - 2; |
| g.drawLine(1, 1, middleOfThumb, 1); |
| } else { |
| fillMinX = 1; |
| fillMaxX = middleOfThumb; |
| g.drawLine(middleOfThumb, 1, w - 1, 1); |
| } |
| if (h == 6) { |
| g.setColor(MetalLookAndFeel.getWhite()); |
| g.drawLine(fillMinX, 1, fillMaxX, 1); |
| g.setColor(sliderAltTrackColor); |
| g.drawLine(fillMinX, 2, fillMaxX, 2); |
| g.setColor(MetalLookAndFeel.getControlShadow()); |
| g.drawLine(fillMinX, 3, fillMaxX, 3); |
| g.setColor(MetalLookAndFeel.getPrimaryControlShadow()); |
| g.drawLine(fillMinX, 4, fillMaxX, 4); |
| } |
| } |
| } else { |
| g.setColor(MetalLookAndFeel.getControlShadow()); |
| |
| if (middleOfThumb > 0) { |
| if (!drawInverted && filledSlider) { |
| g.fillRect(0, 0, middleOfThumb - 1, h - 1); |
| } else { |
| g.drawRect(0, 0, middleOfThumb - 1, h - 1); |
| } |
| } |
| |
| if (middleOfThumb < w) { |
| if (drawInverted && filledSlider) { |
| g.fillRect(middleOfThumb, 0, w - middleOfThumb - 1, h - 1); |
| } else { |
| g.drawRect(middleOfThumb, 0, w - middleOfThumb - 1, h - 1); |
| } |
| } |
| } |
| } else { |
| int middleOfThumb = thumbRect.y + (thumbRect.height / 2) - paintRect.y; |
| |
| if (slider.isEnabled()) { |
| int fillMinY; |
| int fillMaxY; |
| |
| if (middleOfThumb > 0) { |
| g.setColor(drawInverted ? MetalLookAndFeel.getPrimaryControlDarkShadow() : |
| MetalLookAndFeel.getControlDarkShadow()); |
| |
| g.drawRect(0, 0, w - 1, middleOfThumb - 1); |
| } |
| |
| if (middleOfThumb < h) { |
| g.setColor(drawInverted ? MetalLookAndFeel.getControlDarkShadow() : |
| MetalLookAndFeel.getPrimaryControlDarkShadow()); |
| |
| g.drawRect(0, middleOfThumb, w - 1, h - middleOfThumb - 1); |
| } |
| |
| if (filledSlider) { |
| g.setColor(MetalLookAndFeel.getPrimaryControlShadow()); |
| if (drawInverted()) { |
| fillMinY = 1; |
| fillMaxY = middleOfThumb; |
| if (leftToRight) { |
| g.drawLine(1, middleOfThumb, 1, h - 1); |
| } else { |
| g.drawLine(w - 2, middleOfThumb, w - 2, h - 1); |
| } |
| } else { |
| fillMinY = middleOfThumb; |
| fillMaxY = h - 2; |
| if (leftToRight) { |
| g.drawLine(1, 1, 1, middleOfThumb); |
| } else { |
| g.drawLine(w - 2, 1, w - 2, middleOfThumb); |
| } |
| } |
| if (w == 6) { |
| g.setColor(leftToRight ? MetalLookAndFeel.getWhite() : MetalLookAndFeel.getPrimaryControlShadow()); |
| g.drawLine(1, fillMinY, 1, fillMaxY); |
| g.setColor(leftToRight ? sliderAltTrackColor : MetalLookAndFeel.getControlShadow()); |
| g.drawLine(2, fillMinY, 2, fillMaxY); |
| g.setColor(leftToRight ? MetalLookAndFeel.getControlShadow() : sliderAltTrackColor); |
| g.drawLine(3, fillMinY, 3, fillMaxY); |
| g.setColor(leftToRight ? MetalLookAndFeel.getPrimaryControlShadow() : MetalLookAndFeel.getWhite()); |
| g.drawLine(4, fillMinY, 4, fillMaxY); |
| } |
| } |
| } else { |
| g.setColor(MetalLookAndFeel.getControlShadow()); |
| |
| if (middleOfThumb > 0) { |
| if (drawInverted && filledSlider) { |
| g.fillRect(0, 0, w - 1, middleOfThumb - 1); |
| } else { |
| g.drawRect(0, 0, w - 1, middleOfThumb - 1); |
| } |
| } |
| |
| if (middleOfThumb < h) { |
| if (!drawInverted && filledSlider) { |
| g.fillRect(0, middleOfThumb, w - 1, h - middleOfThumb - 1); |
| } else { |
| g.drawRect(0, middleOfThumb, w - 1, h - middleOfThumb - 1); |
| } |
| } |
| } |
| } |
| |
| g.translate(-paintRect.x, -paintRect.y); |
| } |
| |
| public void paintFocus(Graphics g) { |
| } |
| |
| protected Dimension getThumbSize() { |
| Dimension size = new Dimension(); |
| |
| if ( slider.getOrientation() == JSlider.VERTICAL ) { |
| size.width = getVertThumbIcon().getIconWidth(); |
| size.height = getVertThumbIcon().getIconHeight(); |
| } |
| else { |
| size.width = getHorizThumbIcon().getIconWidth(); |
| size.height = getHorizThumbIcon().getIconHeight(); |
| } |
| |
| return size; |
| } |
| |
| /** |
| * Gets the height of the tick area for horizontal sliders and the width of the |
| * tick area for vertical sliders. BasicSliderUI uses the returned value to |
| * determine the tick area rectangle. |
| */ |
| public int getTickLength() { |
| return slider.getOrientation() == JSlider.HORIZONTAL ? safeLength + TICK_BUFFER + 1 : |
| safeLength + TICK_BUFFER + 3; |
| } |
| |
| /** |
| * Returns the shorter dimension of the track. |
| */ |
| protected int getTrackWidth() { |
| // This strange calculation is here to keep the |
| // track in proportion to the thumb. |
| final double kIdealTrackWidth = 7.0; |
| final double kIdealThumbHeight = 16.0; |
| final double kWidthScalar = kIdealTrackWidth / kIdealThumbHeight; |
| |
| if ( slider.getOrientation() == JSlider.HORIZONTAL ) { |
| return (int)(kWidthScalar * thumbRect.height); |
| } |
| else { |
| return (int)(kWidthScalar * thumbRect.width); |
| } |
| } |
| |
| /** |
| * Returns the longer dimension of the slide bar. (The slide bar is only the |
| * part that runs directly under the thumb) |
| */ |
| protected int getTrackLength() { |
| if ( slider.getOrientation() == JSlider.HORIZONTAL ) { |
| return trackRect.width; |
| } |
| return trackRect.height; |
| } |
| |
| /** |
| * Returns the amount that the thumb goes past the slide bar. |
| */ |
| protected int getThumbOverhang() { |
| return (int)(getThumbSize().getHeight()-getTrackWidth())/2; |
| } |
| |
| protected void scrollDueToClickInTrack( int dir ) { |
| scrollByUnit( dir ); |
| } |
| |
| protected void paintMinorTickForHorizSlider( Graphics g, Rectangle tickBounds, int x ) { |
| g.setColor( slider.isEnabled() ? slider.getForeground() : MetalLookAndFeel.getControlShadow() ); |
| g.drawLine( x, TICK_BUFFER, x, TICK_BUFFER + (safeLength / 2) ); |
| } |
| |
| protected void paintMajorTickForHorizSlider( Graphics g, Rectangle tickBounds, int x ) { |
| g.setColor( slider.isEnabled() ? slider.getForeground() : MetalLookAndFeel.getControlShadow() ); |
| g.drawLine( x, TICK_BUFFER , x, TICK_BUFFER + (safeLength - 1) ); |
| } |
| |
| protected void paintMinorTickForVertSlider( Graphics g, Rectangle tickBounds, int y ) { |
| g.setColor( slider.isEnabled() ? slider.getForeground() : MetalLookAndFeel.getControlShadow() ); |
| |
| if (MetalUtils.isLeftToRight(slider)) { |
| g.drawLine( TICK_BUFFER, y, TICK_BUFFER + (safeLength / 2), y ); |
| } |
| else { |
| g.drawLine( 0, y, safeLength/2, y ); |
| } |
| } |
| |
| protected void paintMajorTickForVertSlider( Graphics g, Rectangle tickBounds, int y ) { |
| g.setColor( slider.isEnabled() ? slider.getForeground() : MetalLookAndFeel.getControlShadow() ); |
| |
| if (MetalUtils.isLeftToRight(slider)) { |
| g.drawLine( TICK_BUFFER, y, TICK_BUFFER + safeLength, y ); |
| } |
| else { |
| g.drawLine( 0, y, safeLength, y ); |
| } |
| } |
| } |