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JRE 8 rt.jar - com.* Package Source Code
JRE 8 rt.jar is the JAR file for JRE 8 RT (Runtime) libraries. JRE (Java Runtime) 8 is the runtime environment included in JDK 8. JRE 8 rt.jar libraries are divided into 6 packages:
com.* - Internal Oracle and Sun Microsystems libraries java.* - Standard Java API libraries. javax.* - Extended Java API libraries. jdk.* - JDK supporting libraries. org.* - Third party libraries. sun.* - Old libraries developed by Sun Microsystems.
JAR File Information:
Directory of C:\fyicenter\jdk-1.8.0_191\jre\lib 63,596,151 rt.jar
Here is the list of Java classes of the com.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.
✍: FYIcenter
⏎ com/sun/java/swing/plaf/windows/WindowsScrollBarUI.java
/* * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package com.sun.java.swing.plaf.windows; import java.awt.*; import java.awt.event.*; import java.awt.image.*; import java.lang.ref.*; import java.util.*; import javax.swing.plaf.basic.*; import javax.swing.*; import javax.swing.plaf.ComponentUI; import static com.sun.java.swing.plaf.windows.TMSchema.*; import static com.sun.java.swing.plaf.windows.XPStyle.Skin; /** * Windows rendition of the component. * <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. A future release of Swing will provide support for * long term persistence. */ public class WindowsScrollBarUI extends BasicScrollBarUI { private Grid thumbGrid; private Grid highlightGrid; private Dimension horizontalThumbSize; private Dimension verticalThumbSize; /** * Creates a UI for a JScrollBar. * * @param c the text field * @return the UI */ public static ComponentUI createUI(JComponent c) { return new WindowsScrollBarUI(); } protected void installDefaults() { super.installDefaults(); XPStyle xp = XPStyle.getXP(); if (xp != null) { scrollbar.setBorder(null); horizontalThumbSize = getSize(scrollbar, xp, Part.SBP_THUMBBTNHORZ); verticalThumbSize = getSize(scrollbar, xp, Part.SBP_THUMBBTNVERT); } else { horizontalThumbSize = null; verticalThumbSize = null; } } private static Dimension getSize(Component component, XPStyle xp, Part part) { Skin skin = xp.getSkin(component, part); return new Dimension(skin.getWidth(), skin.getHeight()); } @Override protected Dimension getMinimumThumbSize() { if ((horizontalThumbSize == null) || (verticalThumbSize == null)) { return super.getMinimumThumbSize(); } return JScrollBar.HORIZONTAL == scrollbar.getOrientation() ? horizontalThumbSize : verticalThumbSize; } public void uninstallUI(JComponent c) { super.uninstallUI(c); thumbGrid = highlightGrid = null; } protected void configureScrollBarColors() { super.configureScrollBarColors(); Color color = UIManager.getColor("ScrollBar.trackForeground"); if (color != null && trackColor != null) { thumbGrid = Grid.getGrid(color, trackColor); } color = UIManager.getColor("ScrollBar.trackHighlightForeground"); if (color != null && trackHighlightColor != null) { highlightGrid = Grid.getGrid(color, trackHighlightColor); } } protected JButton createDecreaseButton(int orientation) { return new WindowsArrowButton(orientation, UIManager.getColor("ScrollBar.thumb"), UIManager.getColor("ScrollBar.thumbShadow"), UIManager.getColor("ScrollBar.thumbDarkShadow"), UIManager.getColor("ScrollBar.thumbHighlight")); } protected JButton createIncreaseButton(int orientation) { return new WindowsArrowButton(orientation, UIManager.getColor("ScrollBar.thumb"), UIManager.getColor("ScrollBar.thumbShadow"), UIManager.getColor("ScrollBar.thumbDarkShadow"), UIManager.getColor("ScrollBar.thumbHighlight")); } /** * {@inheritDoc} * @since 1.6 */ @Override protected ArrowButtonListener createArrowButtonListener(){ // we need to repaint the entire scrollbar because state change for each // button causes a state change for the thumb and other button on Vista if(XPStyle.isVista()) { return new ArrowButtonListener() { public void mouseEntered(MouseEvent evt) { repaint(); super.mouseEntered(evt); } public void mouseExited(MouseEvent evt) { repaint(); super.mouseExited(evt); } private void repaint() { scrollbar.repaint(); } }; } else { return super.createArrowButtonListener(); } } protected void paintTrack(Graphics g, JComponent c, Rectangle trackBounds){ boolean v = (scrollbar.getOrientation() == JScrollBar.VERTICAL); XPStyle xp = XPStyle.getXP(); if (xp != null) { JScrollBar sb = (JScrollBar)c; State state = State.NORMAL; // Pending: Implement rollover (hot) and pressed if (!sb.isEnabled()) { state = State.DISABLED; } Part part = v ? Part.SBP_LOWERTRACKVERT : Part.SBP_LOWERTRACKHORZ; xp.getSkin(sb, part).paintSkin(g, trackBounds, state); } else if (thumbGrid == null) { super.paintTrack(g, c, trackBounds); } else { thumbGrid.paint(g, trackBounds.x, trackBounds.y, trackBounds.width, trackBounds.height); if (trackHighlight == DECREASE_HIGHLIGHT) { paintDecreaseHighlight(g); } else if (trackHighlight == INCREASE_HIGHLIGHT) { paintIncreaseHighlight(g); } } } protected void paintThumb(Graphics g, JComponent c, Rectangle thumbBounds) { boolean v = (scrollbar.getOrientation() == JScrollBar.VERTICAL); XPStyle xp = XPStyle.getXP(); if (xp != null) { JScrollBar sb = (JScrollBar)c; State state = State.NORMAL; if (!sb.isEnabled()) { state = State.DISABLED; } else if (isDragging) { state = State.PRESSED; } else if (isThumbRollover()) { state = State.HOT; } else if (XPStyle.isVista()) { if ((incrButton != null && incrButton.getModel().isRollover()) || (decrButton != null && decrButton.getModel().isRollover())) { state = State.HOVER; } } // Paint thumb Part thumbPart = v ? Part.SBP_THUMBBTNVERT : Part.SBP_THUMBBTNHORZ; xp.getSkin(sb, thumbPart).paintSkin(g, thumbBounds, state); // Paint gripper Part gripperPart = v ? Part.SBP_GRIPPERVERT : Part.SBP_GRIPPERHORZ; Skin skin = xp.getSkin(sb, gripperPart); Insets gripperInsets = xp.getMargin(c, thumbPart, null, Prop.CONTENTMARGINS); if (gripperInsets == null || (v && (thumbBounds.height - gripperInsets.top - gripperInsets.bottom >= skin.getHeight())) || (!v && (thumbBounds.width - gripperInsets.left - gripperInsets.right >= skin.getWidth()))) { skin.paintSkin(g, thumbBounds.x + (thumbBounds.width - skin.getWidth()) / 2, thumbBounds.y + (thumbBounds.height - skin.getHeight()) / 2, skin.getWidth(), skin.getHeight(), state); } } else { super.paintThumb(g, c, thumbBounds); } } protected void paintDecreaseHighlight(Graphics g) { if (highlightGrid == null) { super.paintDecreaseHighlight(g); } else { Insets insets = scrollbar.getInsets(); Rectangle thumbR = getThumbBounds(); int x, y, w, h; if (scrollbar.getOrientation() == JScrollBar.VERTICAL) { x = insets.left; y = decrButton.getY() + decrButton.getHeight(); w = scrollbar.getWidth() - (insets.left + insets.right); h = thumbR.y - y; } else { x = decrButton.getX() + decrButton.getHeight(); y = insets.top; w = thumbR.x - x; h = scrollbar.getHeight() - (insets.top + insets.bottom); } highlightGrid.paint(g, x, y, w, h); } } protected void paintIncreaseHighlight(Graphics g) { if (highlightGrid == null) { super.paintDecreaseHighlight(g); } else { Insets insets = scrollbar.getInsets(); Rectangle thumbR = getThumbBounds(); int x, y, w, h; if (scrollbar.getOrientation() == JScrollBar.VERTICAL) { x = insets.left; y = thumbR.y + thumbR.height; w = scrollbar.getWidth() - (insets.left + insets.right); h = incrButton.getY() - y; } else { x = thumbR.x + thumbR.width; y = insets.top; w = incrButton.getX() - x; h = scrollbar.getHeight() - (insets.top + insets.bottom); } highlightGrid.paint(g, x, y, w, h); } } /** * {@inheritDoc} * @since 1.6 */ @Override protected void setThumbRollover(boolean active) { boolean old = isThumbRollover(); super.setThumbRollover(active); // we need to repaint the entire scrollbar because state change for thumb // causes state change for incr and decr buttons on Vista if(XPStyle.isVista() && active != old) { scrollbar.repaint(); } } /** * WindowsArrowButton is used for the buttons to position the * document up/down. It differs from BasicArrowButton in that the * preferred size is always a square. */ private class WindowsArrowButton extends BasicArrowButton { public WindowsArrowButton(int direction, Color background, Color shadow, Color darkShadow, Color highlight) { super(direction, background, shadow, darkShadow, highlight); } public WindowsArrowButton(int direction) { super(direction); } public void paint(Graphics g) { XPStyle xp = XPStyle.getXP(); if (xp != null) { ButtonModel model = getModel(); Skin skin = xp.getSkin(this, Part.SBP_ARROWBTN); State state = null; boolean jointRollover = XPStyle.isVista() && (isThumbRollover() || (this == incrButton && decrButton.getModel().isRollover()) || (this == decrButton && incrButton.getModel().isRollover())); // normal, rollover, pressed, disabled if (model.isArmed() && model.isPressed()) { switch (direction) { case NORTH: state = State.UPPRESSED; break; case SOUTH: state = State.DOWNPRESSED; break; case WEST: state = State.LEFTPRESSED; break; case EAST: state = State.RIGHTPRESSED; break; } } else if (!model.isEnabled()) { switch (direction) { case NORTH: state = State.UPDISABLED; break; case SOUTH: state = State.DOWNDISABLED; break; case WEST: state = State.LEFTDISABLED; break; case EAST: state = State.RIGHTDISABLED; break; } } else if (model.isRollover() || model.isPressed()) { switch (direction) { case NORTH: state = State.UPHOT; break; case SOUTH: state = State.DOWNHOT; break; case WEST: state = State.LEFTHOT; break; case EAST: state = State.RIGHTHOT; break; } } else if (jointRollover) { switch (direction) { case NORTH: state = State.UPHOVER; break; case SOUTH: state = State.DOWNHOVER; break; case WEST: state = State.LEFTHOVER; break; case EAST: state = State.RIGHTHOVER; break; } } else { switch (direction) { case NORTH: state = State.UPNORMAL; break; case SOUTH: state = State.DOWNNORMAL; break; case WEST: state = State.LEFTNORMAL; break; case EAST: state = State.RIGHTNORMAL; break; } } skin.paintSkin(g, 0, 0, getWidth(), getHeight(), state); } else { super.paint(g); } } public Dimension getPreferredSize() { int size = 16; if (scrollbar != null) { switch (scrollbar.getOrientation()) { case JScrollBar.VERTICAL: size = scrollbar.getWidth(); break; case JScrollBar.HORIZONTAL: size = scrollbar.getHeight(); break; } size = Math.max(size, 5); } return new Dimension(size, size); } } /** * This should be pulled out into its own class if more classes need to * use it. * <p> * Grid is used to draw the track for windows scrollbars. Grids * are cached in a HashMap, with the key being the rgb components * of the foreground/background colors. Further the Grid is held through * a WeakRef so that it can be freed when no longer needed. As the * Grid is rather expensive to draw, it is drawn in a BufferedImage. */ private static class Grid { private static final int BUFFER_SIZE = 64; private static HashMap<String, WeakReference<Grid>> map; private BufferedImage image; static { map = new HashMap<String, WeakReference<Grid>>(); } public static Grid getGrid(Color fg, Color bg) { String key = fg.getRGB() + " " + bg.getRGB(); WeakReference<Grid> ref = map.get(key); Grid grid = (ref == null) ? null : ref.get(); if (grid == null) { grid = new Grid(fg, bg); map.put(key, new WeakReference<Grid>(grid)); } return grid; } public Grid(Color fg, Color bg) { int cmap[] = { fg.getRGB(), bg.getRGB() }; IndexColorModel icm = new IndexColorModel(8, 2, cmap, 0, false, -1, DataBuffer.TYPE_BYTE); image = new BufferedImage(BUFFER_SIZE, BUFFER_SIZE, BufferedImage.TYPE_BYTE_INDEXED, icm); Graphics g = image.getGraphics(); try { g.setClip(0, 0, BUFFER_SIZE, BUFFER_SIZE); paintGrid(g, fg, bg); } finally { g.dispose(); } } /** * Paints the grid into the specified Graphics at the specified * location. */ public void paint(Graphics g, int x, int y, int w, int h) { Rectangle clipRect = g.getClipBounds(); int minX = Math.max(x, clipRect.x); int minY = Math.max(y, clipRect.y); int maxX = Math.min(clipRect.x + clipRect.width, x + w); int maxY = Math.min(clipRect.y + clipRect.height, y + h); if (maxX <= minX || maxY <= minY) { return; } int xOffset = (minX - x) % 2; for (int xCounter = minX; xCounter < maxX; xCounter += BUFFER_SIZE) { int yOffset = (minY - y) % 2; int width = Math.min(BUFFER_SIZE - xOffset, maxX - xCounter); for (int yCounter = minY; yCounter < maxY; yCounter += BUFFER_SIZE) { int height = Math.min(BUFFER_SIZE - yOffset, maxY - yCounter); g.drawImage(image, xCounter, yCounter, xCounter + width, yCounter + height, xOffset, yOffset, xOffset + width, yOffset + height, null); if (yOffset != 0) { yCounter -= yOffset; yOffset = 0; } } if (xOffset != 0) { xCounter -= xOffset; xOffset = 0; } } } /** * Actually renders the grid into the Graphics <code>g</code>. */ private void paintGrid(Graphics g, Color fg, Color bg) { Rectangle clipRect = g.getClipBounds(); g.setColor(bg); g.fillRect(clipRect.x, clipRect.y, clipRect.width, clipRect.height); g.setColor(fg); g.translate(clipRect.x, clipRect.y); int width = clipRect.width; int height = clipRect.height; int xCounter = clipRect.x % 2; for (int end = width - height; xCounter < end; xCounter += 2) { g.drawLine(xCounter, 0, xCounter + height, height); } for (int end = width; xCounter < end; xCounter += 2) { g.drawLine(xCounter, 0, width, width - xCounter); } int yCounter = ((clipRect.x % 2) == 0) ? 2 : 1; for (int end = height - width; yCounter < end; yCounter += 2) { g.drawLine(0, yCounter, width, yCounter + width); } for (int end = height; yCounter < end; yCounter += 2) { g.drawLine(0, yCounter, height - yCounter, height); } g.translate(-clipRect.x, -clipRect.y); } } }
⏎ com/sun/java/swing/plaf/windows/WindowsScrollBarUI.java
Or download all of them as a single archive file:
File name: jre-rt-com-1.8.0_191-src.zip File size: 8099783 bytes Release date: 2018-10-28 Download
⇒ Backup JDK 8 Installation Directory
2023-02-07, 255967👍, 3💬
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