| /* |
| * Copyright (c) 2011, 2012, 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 com.apple.laf; |
| |
| import java.awt.*; |
| import java.awt.event.MouseEvent; |
| |
| import javax.swing.*; |
| import javax.swing.event.*; |
| import javax.swing.plaf.ComponentUI; |
| import javax.swing.plaf.basic.BasicSliderUI; |
| |
| import apple.laf.*; |
| import apple.laf.JRSUIUtils.NineSliceMetricsProvider; |
| import apple.laf.JRSUIConstants.*; |
| |
| import com.apple.laf.AquaUtilControlSize.*; |
| import com.apple.laf.AquaImageFactory.NineSliceMetrics; |
| import com.apple.laf.AquaUtils.RecyclableSingleton; |
| |
| public class AquaSliderUI extends BasicSliderUI implements Sizeable { |
| // static final Dimension roundThumbSize = new Dimension(21 + 4, 21 + 4); // +2px on both sides for focus fuzz |
| // static final Dimension pointingThumbSize = new Dimension(19 + 4, 22 + 4); |
| |
| private static final RecyclableSingleton<SizeDescriptor> roundThumbDescriptor = new RecyclableSingleton<SizeDescriptor>() { |
| protected SizeDescriptor getInstance() { |
| return new SizeDescriptor(new SizeVariant(25, 25)) { |
| public SizeVariant deriveSmall(final SizeVariant v) { |
| return super.deriveSmall(v.alterMinSize(-2, -2)); |
| } |
| public SizeVariant deriveMini(final SizeVariant v) { |
| return super.deriveMini(v.alterMinSize(-2, -2)); |
| } |
| }; |
| } |
| }; |
| private static final RecyclableSingleton<SizeDescriptor> pointingThumbDescriptor = new RecyclableSingleton<SizeDescriptor>() { |
| protected SizeDescriptor getInstance() { |
| return new SizeDescriptor(new SizeVariant(23, 26)) { |
| public SizeVariant deriveSmall(final SizeVariant v) { |
| return super.deriveSmall(v.alterMinSize(-2, -2)); |
| } |
| public SizeVariant deriveMini(final SizeVariant v) { |
| return super.deriveMini(v.alterMinSize(-2, -2)); |
| } |
| }; |
| } |
| }; |
| |
| static final AquaPainter<JRSUIState> trackPainter = AquaPainter.create(JRSUIStateFactory.getSliderTrack(), new NineSliceMetricsProvider() { |
| @Override |
| public NineSliceMetrics getNineSliceMetricsForState(JRSUIState state) { |
| if (state.is(Orientation.VERTICAL)) { |
| return new NineSliceMetrics(5, 7, 0, 0, 3, 3, true, false, true); |
| } |
| return new NineSliceMetrics(7, 5, 3, 3, 0, 0, true, true, false); |
| } |
| }); |
| final AquaPainter<JRSUIState> thumbPainter = AquaPainter.create(JRSUIStateFactory.getSliderThumb()); |
| |
| protected Color tickColor; |
| protected Color disabledTickColor; |
| |
| protected transient boolean fIsDragging = false; |
| |
| // From AppearanceManager doc |
| static final int kTickWidth = 3; |
| static final int kTickLength = 8; |
| |
| // Create PLAF |
| public static ComponentUI createUI(final JComponent c) { |
| return new AquaSliderUI((JSlider)c); |
| } |
| |
| public AquaSliderUI(final JSlider b) { |
| super(b); |
| } |
| |
| public void installUI(final JComponent c) { |
| super.installUI(c); |
| |
| LookAndFeel.installProperty(slider, "opaque", Boolean.FALSE); |
| tickColor = UIManager.getColor("Slider.tickColor"); |
| } |
| |
| protected BasicSliderUI.TrackListener createTrackListener(final JSlider s) { |
| return new TrackListener(); |
| } |
| |
| protected void installListeners(final JSlider s) { |
| super.installListeners(s); |
| AquaFocusHandler.install(s); |
| AquaUtilControlSize.addSizePropertyListener(s); |
| } |
| |
| protected void uninstallListeners(final JSlider s) { |
| AquaUtilControlSize.removeSizePropertyListener(s); |
| AquaFocusHandler.uninstall(s); |
| super.uninstallListeners(s); |
| } |
| |
| public void applySizeFor(final JComponent c, final Size size) { |
| thumbPainter.state.set(size); |
| trackPainter.state.set(size); |
| } |
| |
| // Paint Methods |
| public void paint(final Graphics g, final JComponent c) { |
| // We have to override paint of BasicSliderUI because we need slight differences. |
| // We don't paint focus the same way - it is part of the thumb. |
| // We also need to repaint the whole track when the thumb moves. |
| recalculateIfInsetsChanged(); |
| final Rectangle clip = g.getClipBounds(); |
| |
| final Orientation orientation = slider.getOrientation() == SwingConstants.HORIZONTAL ? Orientation.HORIZONTAL : Orientation.VERTICAL; |
| final State state = getState(); |
| |
| if (slider.getPaintTrack()) { |
| // This is needed for when this is used as a renderer. It is the same as BasicSliderUI.java |
| // and is missing from our reimplementation. |
| // |
| // <rdar://problem/3721898> JSlider in TreeCellRenderer component not painted properly. |
| // |
| final boolean trackIntersectsClip = clip.intersects(trackRect); |
| if (!trackIntersectsClip) { |
| calculateGeometry(); |
| } |
| |
| if (trackIntersectsClip || clip.intersects(thumbRect)) paintTrack(g, c, orientation, state); |
| } |
| |
| if (slider.getPaintTicks() && clip.intersects(tickRect)) { |
| paintTicks(g); |
| } |
| |
| if (slider.getPaintLabels() && clip.intersects(labelRect)) { |
| paintLabels(g); |
| } |
| |
| if (clip.intersects(thumbRect)) { |
| paintThumb(g, c, orientation, state); |
| } |
| } |
| |
| // Paints track and thumb |
| public void paintTrack(final Graphics g, final JComponent c, final Orientation orientation, final State state) { |
| trackPainter.state.set(orientation); |
| trackPainter.state.set(state); |
| |
| // for debugging |
| //g.setColor(Color.green); |
| //g.drawRect(trackRect.x, trackRect.y, trackRect.width - 1, trackRect.height - 1); |
| trackPainter.paint(g, c, trackRect.x, trackRect.y, trackRect.width, trackRect.height); |
| } |
| |
| // Paints thumb only |
| public void paintThumb(final Graphics g, final JComponent c, final Orientation orientation, final State state) { |
| thumbPainter.state.set(orientation); |
| thumbPainter.state.set(state); |
| thumbPainter.state.set(slider.hasFocus() ? Focused.YES : Focused.NO); |
| thumbPainter.state.set(getDirection(orientation)); |
| |
| // for debugging |
| //g.setColor(Color.blue); |
| //g.drawRect(thumbRect.x, thumbRect.y, thumbRect.width - 1, thumbRect.height - 1); |
| thumbPainter.paint(g, c, thumbRect.x, thumbRect.y, thumbRect.width, thumbRect.height); |
| } |
| |
| Direction getDirection(final Orientation orientation) { |
| if (shouldUseArrowThumb()) { |
| return orientation == Orientation.HORIZONTAL ? Direction.DOWN : Direction.RIGHT; |
| } |
| |
| return Direction.NONE; |
| } |
| |
| State getState() { |
| if (!slider.isEnabled()) { |
| return State.DISABLED; |
| } |
| |
| if (fIsDragging) { |
| return State.PRESSED; |
| } |
| |
| if (!AquaFocusHandler.isActive(slider)) { |
| return State.INACTIVE; |
| } |
| |
| return State.ACTIVE; |
| } |
| |
| public void paintTicks(final Graphics g) { |
| if (slider.isEnabled()) { |
| g.setColor(tickColor); |
| } else { |
| if (disabledTickColor == null) { |
| disabledTickColor = new Color(tickColor.getRed(), tickColor.getGreen(), tickColor.getBlue(), tickColor.getAlpha() / 2); |
| } |
| g.setColor(disabledTickColor); |
| } |
| |
| super.paintTicks(g); |
| } |
| |
| // Layout Methods |
| |
| // Used lots |
| protected void calculateThumbLocation() { |
| super.calculateThumbLocation(); |
| |
| if (shouldUseArrowThumb()) { |
| final boolean isHorizonatal = slider.getOrientation() == SwingConstants.HORIZONTAL; |
| final Size size = AquaUtilControlSize.getUserSizeFrom(slider); |
| |
| if (size == Size.REGULAR) { |
| if (isHorizonatal) thumbRect.y += 3; else thumbRect.x += 2; return; |
| } |
| |
| if (size == Size.SMALL) { |
| if (isHorizonatal) thumbRect.y += 2; else thumbRect.x += 2; return; |
| } |
| |
| if (size == Size.MINI) { |
| if (isHorizonatal) thumbRect.y += 1; return; |
| } |
| } |
| } |
| |
| // Only called from calculateGeometry |
| protected void calculateThumbSize() { |
| final SizeDescriptor descriptor = shouldUseArrowThumb() ? pointingThumbDescriptor.get() : roundThumbDescriptor.get(); |
| final SizeVariant variant = descriptor.get(slider); |
| |
| if (slider.getOrientation() == SwingConstants.HORIZONTAL) { |
| thumbRect.setSize(variant.w, variant.h); |
| } else { |
| thumbRect.setSize(variant.h, variant.w); |
| } |
| } |
| |
| protected boolean shouldUseArrowThumb() { |
| if (slider.getPaintTicks() || slider.getPaintLabels()) return true; |
| |
| final Object shouldPaintArrowThumbProperty = slider.getClientProperty("Slider.paintThumbArrowShape"); |
| if (shouldPaintArrowThumbProperty != null && shouldPaintArrowThumbProperty instanceof Boolean) { |
| return ((Boolean)shouldPaintArrowThumbProperty).booleanValue(); |
| } |
| |
| return false; |
| } |
| |
| protected void calculateTickRect() { |
| // super assumes tickRect ends align with trackRect ends. |
| // Ours need to inset by trackBuffer |
| // Ours also needs to be *inside* trackRect |
| final int tickLength = slider.getPaintTicks() ? getTickLength() : 0; |
| if (slider.getOrientation() == SwingConstants.HORIZONTAL) { |
| tickRect.height = tickLength; |
| tickRect.x = trackRect.x + trackBuffer; |
| tickRect.y = trackRect.y + trackRect.height - (tickRect.height / 2); |
| tickRect.width = trackRect.width - (trackBuffer * 2); |
| } else { |
| tickRect.width = tickLength; |
| tickRect.x = trackRect.x + trackRect.width - (tickRect.width / 2); |
| tickRect.y = trackRect.y + trackBuffer; |
| tickRect.height = trackRect.height - (trackBuffer * 2); |
| } |
| } |
| |
| // Basic's preferred size doesn't allow for our focus ring, throwing off things like SwingSet2 |
| public Dimension getPreferredHorizontalSize() { |
| return new Dimension(190, 21); |
| } |
| |
| public Dimension getPreferredVerticalSize() { |
| return new Dimension(21, 190); |
| } |
| |
| protected ChangeListener createChangeListener(final JSlider s) { |
| return new ChangeListener() { |
| public void stateChanged(final ChangeEvent e) { |
| if (fIsDragging) return; |
| calculateThumbLocation(); |
| slider.repaint(); |
| } |
| }; |
| } |
| |
| // This is copied almost verbatim from superclass, except we changed things to use fIsDragging |
| // instead of isDragging since isDragging was a private member. |
| class TrackListener extends javax.swing.plaf.basic.BasicSliderUI.TrackListener { |
| protected transient int offset; |
| protected transient int currentMouseX = -1, currentMouseY = -1; |
| |
| public void mouseReleased(final MouseEvent e) { |
| if (!slider.isEnabled()) return; |
| |
| currentMouseX = -1; |
| currentMouseY = -1; |
| |
| offset = 0; |
| scrollTimer.stop(); |
| |
| // This is the way we have to determine snap-to-ticks. It's hard to explain |
| // but since ChangeEvents don't give us any idea what has changed we don't |
| // have a way to stop the thumb bounds from being recalculated. Recalculating |
| // the thumb bounds moves the thumb over the current value (i.e., snapping |
| // to the ticks). |
| if (slider.getSnapToTicks() /*|| slider.getSnapToValue()*/) { |
| fIsDragging = false; |
| slider.setValueIsAdjusting(false); |
| } else { |
| slider.setValueIsAdjusting(false); |
| fIsDragging = false; |
| } |
| |
| slider.repaint(); |
| } |
| |
| public void mousePressed(final MouseEvent e) { |
| if (!slider.isEnabled()) return; |
| |
| // We should recalculate geometry just before |
| // calculation of the thumb movement direction. |
| // It is important for the case, when JSlider |
| // is a cell editor in JTable. See 6348946. |
| calculateGeometry(); |
| |
| final boolean firstClick = (currentMouseX == -1) && (currentMouseY == -1); |
| |
| currentMouseX = e.getX(); |
| currentMouseY = e.getY(); |
| |
| if (slider.isRequestFocusEnabled()) { |
| slider.requestFocus(); |
| } |
| |
| boolean isMouseEventInThumb = thumbRect.contains(currentMouseX, currentMouseY); |
| |
| // we don't want to move the thumb if we just clicked on the edge of the thumb |
| if (!firstClick || !isMouseEventInThumb) { |
| slider.setValueIsAdjusting(true); |
| |
| switch (slider.getOrientation()) { |
| case SwingConstants.VERTICAL: |
| slider.setValue(valueForYPosition(currentMouseY)); |
| break; |
| case SwingConstants.HORIZONTAL: |
| slider.setValue(valueForXPosition(currentMouseX)); |
| break; |
| } |
| |
| slider.setValueIsAdjusting(false); |
| |
| isMouseEventInThumb = true; // since we just moved it in there |
| } |
| |
| // Clicked in the Thumb area? |
| if (isMouseEventInThumb) { |
| switch (slider.getOrientation()) { |
| case SwingConstants.VERTICAL: |
| offset = currentMouseY - thumbRect.y; |
| break; |
| case SwingConstants.HORIZONTAL: |
| offset = currentMouseX - thumbRect.x; |
| break; |
| } |
| |
| fIsDragging = true; |
| return; |
| } |
| |
| fIsDragging = false; |
| } |
| |
| public boolean shouldScroll(final int direction) { |
| final Rectangle r = thumbRect; |
| if (slider.getOrientation() == SwingConstants.VERTICAL) { |
| if (drawInverted() ? direction < 0 : direction > 0) { |
| if (r.y + r.height <= currentMouseY) return false; |
| } else { |
| if (r.y >= currentMouseY) return false; |
| } |
| } else { |
| if (drawInverted() ? direction < 0 : direction > 0) { |
| if (r.x + r.width >= currentMouseX) return false; |
| } else { |
| if (r.x <= currentMouseX) return false; |
| } |
| } |
| |
| if (direction > 0 && slider.getValue() + slider.getExtent() >= slider.getMaximum()) { |
| return false; |
| } |
| |
| if (direction < 0 && slider.getValue() <= slider.getMinimum()) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Set the models value to the position of the top/left |
| * of the thumb relative to the origin of the track. |
| */ |
| public void mouseDragged(final MouseEvent e) { |
| int thumbMiddle = 0; |
| |
| if (!slider.isEnabled()) return; |
| |
| currentMouseX = e.getX(); |
| currentMouseY = e.getY(); |
| |
| if (!fIsDragging) return; |
| |
| slider.setValueIsAdjusting(true); |
| |
| switch (slider.getOrientation()) { |
| case SwingConstants.VERTICAL: |
| final int halfThumbHeight = thumbRect.height / 2; |
| int thumbTop = e.getY() - offset; |
| int trackTop = trackRect.y; |
| int trackBottom = trackRect.y + (trackRect.height - 1); |
| final int vMax = yPositionForValue(slider.getMaximum() - slider.getExtent()); |
| |
| if (drawInverted()) { |
| trackBottom = vMax; |
| } else { |
| trackTop = vMax; |
| } |
| thumbTop = Math.max(thumbTop, trackTop - halfThumbHeight); |
| thumbTop = Math.min(thumbTop, trackBottom - halfThumbHeight); |
| |
| setThumbLocation(thumbRect.x, thumbTop); |
| |
| thumbMiddle = thumbTop + halfThumbHeight; |
| slider.setValue(valueForYPosition(thumbMiddle)); |
| break; |
| case SwingConstants.HORIZONTAL: |
| final int halfThumbWidth = thumbRect.width / 2; |
| int thumbLeft = e.getX() - offset; |
| int trackLeft = trackRect.x; |
| int trackRight = trackRect.x + (trackRect.width - 1); |
| final int hMax = xPositionForValue(slider.getMaximum() - slider.getExtent()); |
| |
| if (drawInverted()) { |
| trackLeft = hMax; |
| } else { |
| trackRight = hMax; |
| } |
| thumbLeft = Math.max(thumbLeft, trackLeft - halfThumbWidth); |
| thumbLeft = Math.min(thumbLeft, trackRight - halfThumbWidth); |
| |
| setThumbLocation(thumbLeft, thumbRect.y); |
| |
| thumbMiddle = thumbLeft + halfThumbWidth; |
| slider.setValue(valueForXPosition(thumbMiddle)); |
| break; |
| default: |
| return; |
| } |
| |
| // enable live snap-to-ticks <rdar://problem/3165310> |
| if (slider.getSnapToTicks()) { |
| calculateThumbLocation(); |
| setThumbLocation(thumbRect.x, thumbRect.y); // need to call to refresh the repaint region |
| } |
| } |
| |
| public void mouseMoved(final MouseEvent e) { } |
| } |
| |
| // Super handles snap-to-ticks by recalculating the thumb rect in the TrackListener |
| // See setThumbLocation for why that doesn't work |
| int getScale() { |
| if (!slider.getSnapToTicks()) return 1; |
| int scale = slider.getMinorTickSpacing(); |
| if (scale < 1) scale = slider.getMajorTickSpacing(); |
| if (scale < 1) return 1; |
| return scale; |
| } |
| } |