From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- .../javax/swing/DefaultDesktopManager.java | 644 +++++++++++++++++++++ 1 file changed, 644 insertions(+) create mode 100644 libjava/classpath/javax/swing/DefaultDesktopManager.java (limited to 'libjava/classpath/javax/swing/DefaultDesktopManager.java') diff --git a/libjava/classpath/javax/swing/DefaultDesktopManager.java b/libjava/classpath/javax/swing/DefaultDesktopManager.java new file mode 100644 index 000000000..9613449ff --- /dev/null +++ b/libjava/classpath/javax/swing/DefaultDesktopManager.java @@ -0,0 +1,644 @@ +/* DefaultDesktopManager.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; + +import java.awt.Component; +import java.awt.Container; +import java.awt.Dimension; +import java.awt.Insets; +import java.awt.Rectangle; +import java.beans.PropertyVetoException; +import java.io.Serializable; + +import javax.swing.JInternalFrame.JDesktopIcon; + +/** + * The default implementation of DesktopManager for + * Swing. It implements the basic beaviours for JInternalFrames in arbitrary + * parents. The methods provided by the class are not meant to be called by + * the user, instead, the JInternalFrame methods will call these methods. + */ +public class DefaultDesktopManager implements DesktopManager, Serializable +{ + /** DOCUMENT ME! */ + private static final long serialVersionUID = 4657624909838017887L; + + /** The property change event fired when the wasIcon property changes. */ + static final String WAS_ICON_ONCE_PROPERTY = "wasIconOnce"; + + /** + * The method of dragging used by the JDesktopPane that parents the + * JInternalFrame that is being dragged. + */ + private int currentDragMode = 0; + + /** + * The cache of the bounds used to draw the outline rectangle when + * OUTLINE_DRAG_MODE is used. + */ + private transient Rectangle dragCache = new Rectangle(); + + /** + * A cached JDesktopPane that is stored when the JInternalFrame is initially + * dragged. + */ + private transient Container pane; + + /** + * An array of Rectangles that holds the bounds of the JDesktopIcons in the + * JDesktopPane when looking for where to place a new icon. + */ + private transient Rectangle[] iconRects; + + /** + * This creates a new DefaultDesktopManager object. + */ + public DefaultDesktopManager() + { + // Nothing to do here. + } + + /** + * This method is not normally called since the user will typically add the + * JInternalFrame to a Container. If this is called, it will try to + * determine the parent of the JInternalFrame and remove any icon that + * represents this JInternalFrame and add this JInternalFrame. + * + * @param frame The JInternalFrame to open. + */ + public void openFrame(JInternalFrame frame) + { + Container c = frame.getParent(); + if (c == null) + c = frame.getDesktopIcon().getParent(); + if (c == null) + return; + + c.remove(frame.getDesktopIcon()); + c.add(frame); + frame.setVisible(true); + } + + /** + * This method removes the JInternalFrame and JDesktopIcon (if one is + * present) from their parents. + * + * @param frame The JInternalFrame to close. + */ + public void closeFrame(JInternalFrame frame) + { + Container c = frame.getParent(); + if (c != null) + { + if (frame.isIcon()) + c.remove(frame.getDesktopIcon()); + else + c.remove(frame); + c.repaint(); + } + } + + /** + * This method resizes the JInternalFrame to match its parent's bounds. + * + * @param frame The JInternalFrame to maximize. + */ + public void maximizeFrame(JInternalFrame frame) + { + // Can't maximize from iconified state. + // It can only return to maximized state, but that would fall under + // deiconify. + if (frame.isIcon()) + return; + frame.setNormalBounds(frame.getBounds()); + + Container p = frame.getParent(); + if (p != null) + { + Rectangle pBounds = p.getBounds(); + Insets insets = p.getInsets(); + pBounds.width -= insets.left + insets.right; + pBounds.height -= insets.top + insets.bottom; + + setBoundsForFrame(frame, 0, 0, pBounds.width, pBounds.height); + } + if (p instanceof JDesktopPane) + ((JDesktopPane) p).setSelectedFrame(frame); + else + { + try + { + frame.setSelected(true); + } + catch (PropertyVetoException e) + { + // Do nothing. + } + } + } + + /** + * This method restores the JInternalFrame's bounds to what they were + * previous to the setMaximize call. + * + * @param frame The JInternalFrame to minimize. + */ + public void minimizeFrame(JInternalFrame frame) + { + Rectangle normalBounds = frame.getNormalBounds(); + + JDesktopPane p = frame.getDesktopPane(); + if (p != null) + p.setSelectedFrame(frame); + else + { + try + { + frame.setSelected(true); + } + catch (PropertyVetoException e) + { + // Do nothing. + } + } + + setBoundsForFrame(frame, normalBounds.x, normalBounds.y, + normalBounds.width, normalBounds.height); + } + + /** + * This method removes the JInternalFrame from its parent and adds its + * JDesktopIcon representation. + * + * @param frame The JInternalFrame to iconify. + */ + public void iconifyFrame(JInternalFrame frame) + { + JDesktopPane p = frame.getDesktopPane(); + JDesktopIcon icon = frame.getDesktopIcon(); + if (p != null && p.getSelectedFrame() == frame) + p.setSelectedFrame(null); + else + { + try + { + frame.setSelected(false); + } + catch (PropertyVetoException e) + { + // Do nothing if attempt is vetoed. + } + } + + Container c = frame.getParent(); + + if (!wasIcon(frame)) + { + Rectangle r = getBoundsForIconOf(frame); + icon.setBounds(r); + setWasIcon(frame, Boolean.TRUE); + } + + if (c != null) + { + if (icon != null) + { + c.add(icon); + icon.setVisible(true); + } + Rectangle b = frame.getBounds(); + c.remove(frame); + c.repaint(b.x, b.y, b.width, b.height); + } + } + + /** + * This method removes the JInternalFrame's JDesktopIcon representation and + * adds the JInternalFrame back to its parent. + * + * @param frame The JInternalFrame to deiconify. + */ + public void deiconifyFrame(JInternalFrame frame) + { + JDesktopIcon icon = frame.getDesktopIcon(); + Container c = icon.getParent(); + + removeIconFor(frame); + c.add(frame); + frame.setVisible(true); + + if (!frame.isSelected()) + { + JDesktopPane p = frame.getDesktopPane(); + if (p != null) + p.setSelectedFrame(frame); + else + { + try + { + frame.setSelected(true); + } + catch (PropertyVetoException e) + { + // Do nothing. + } + } + } + + c.invalidate(); + } + + /** + * This method activates the JInternalFrame by moving it to the front and + * selecting it. + * + * @param frame The JInternalFrame to activate. + */ + public void activateFrame(JInternalFrame frame) + { + JDesktopPane p = frame.getDesktopPane(); + JInternalFrame active = null; + if (p != null) + active = p.getSelectedFrame(); + if (active == null) + { + if (p != null) + { + p.setSelectedFrame(frame); + } + } + else if (active != frame) + { + if (active.isSelected()) + { + try + { + active.setSelected(false); + } + catch (PropertyVetoException ex) + { + // Not allowed. + } + } + if (p != null) + { + p.setSelectedFrame(frame); + } + + } + frame.toFront(); + } + + /** + * This method is called when the JInternalFrame loses focus. + * + * @param frame The JInternalFram to deactivate. + */ + public void deactivateFrame(JInternalFrame frame) + { + JDesktopPane p = frame.getDesktopPane(); + if (p != null) + { + if (p.getSelectedFrame() == frame) + p.setSelectedFrame(null); + } + else + { + try + { + frame.setSelected(false); + } + catch (PropertyVetoException e) + { + // Do nothing if attempt is vetoed. + } + } + } + + /** + * This method is called to indicate that the DesktopManager should prepare + * to drag the JInternalFrame. Any state information needed to drag the + * frame will be prepared now. + * + * @param component The JComponent to drag, usually a JInternalFrame. + */ + public void beginDraggingFrame(JComponent component) + { + if (component instanceof JDesktopIcon) + pane = ((JDesktopIcon) component).getInternalFrame().getDesktopPane(); + else + pane = ((JInternalFrame) component).getDesktopPane(); + if (pane == null) + return; + + dragCache = component.getBounds(); + + if (! (pane instanceof JDesktopPane)) + currentDragMode = JDesktopPane.LIVE_DRAG_MODE; + else + currentDragMode = ((JDesktopPane) pane).getDragMode(); + } + + /** + * This method is called to drag the JInternalFrame to a new location. + * + * @param component The JComponent to drag, usually a JInternalFrame. + * + * @param newX The new x coordinate. + * @param newY The new y coordinate. + */ + public void dragFrame(JComponent component, int newX, int newY) + { + if (currentDragMode == JDesktopPane.OUTLINE_DRAG_MODE) + { + // FIXME: Do outline drag mode painting. + } + else + { + Rectangle b = component.getBounds(); + if (component instanceof JDesktopIcon) + component.setBounds(newX, newY, b.width, b.height); + else + setBoundsForFrame((JInternalFrame) component, newX, newY, b.width, + b.height); + } + } + + /** + * This method indicates that the dragging is done. Any state information + * stored by the DesktopManager can be cleared. + * + * @param component The JComponent that has finished dragging. + */ + public void endDraggingFrame(JComponent component) + { + if (currentDragMode == JDesktopPane.OUTLINE_DRAG_MODE) + { + setBoundsForFrame((JInternalFrame) component, dragCache.x, dragCache.y, + dragCache.width, dragCache.height); + pane = null; + dragCache = null; + component.repaint(); + } + } + + /** + * This method is called to indicate that the given JComponent will be + * resized. Any state information necessary to resize the JComponent will + * be prepared now. + * + * @param component The JComponent to resize, usually a JInternalFrame. + * @param direction The direction to drag in (a SwingConstant). + */ + public void beginResizingFrame(JComponent component, int direction) + { + pane = ((JInternalFrame) component).getDesktopPane(); + if (pane == null) + return; + + dragCache = component.getBounds(); + if (! (pane instanceof JDesktopPane)) + currentDragMode = JDesktopPane.LIVE_DRAG_MODE; + else + currentDragMode = ((JDesktopPane) pane).getDragMode(); + } + + /** + * This method resizes the give JComponent. + * + * @param component The JComponent to resize. + * @param newX The new x coordinate. + * @param newY The new y coordinate. + * @param newWidth The new width. + * @param newHeight The new height. + */ + public void resizeFrame(JComponent component, int newX, int newY, + int newWidth, int newHeight) + { + dragCache.setBounds(newX, newY, newWidth, newHeight); + + if (currentDragMode == JDesktopPane.OUTLINE_DRAG_MODE) + { + // FIXME: Do outline drag painting. + } + else + setBoundsForFrame(component, dragCache.x, dragCache.y, dragCache.width, + dragCache.height); + } + + /** + * This method is called to indicate that the given JComponent has finished + * dragging. Any state information stored by the DesktopManager can be + * cleared. + * + * @param component The JComponent that finished resizing. + */ + public void endResizingFrame(JComponent component) + { + if (currentDragMode == JDesktopPane.OUTLINE_DRAG_MODE) + { + setBoundsForFrame((JInternalFrame) component, dragCache.x, dragCache.y, + dragCache.width, dragCache.height); + pane = null; + dragCache = null; + component.repaint(); + } + } + + /** + * This method calls setBounds with the given parameters and repaints the + * JComponent. + * + * @param component The JComponent to set bounds for. + * @param newX The new x coordinate. + * @param newY The new y coordinate. + * @param newWidth The new width. + * @param newHeight The new height. + */ + public void setBoundsForFrame(JComponent component, int newX, int newY, + int newWidth, int newHeight) + { + component.setBounds(newX, newY, newWidth, newHeight); + } + + /** + * This is a helper method that removes the JDesktopIcon of the given + * JInternalFrame from the parent. + * + * @param frame The JInternalFrame to remove an icon for. + */ + protected void removeIconFor(JInternalFrame frame) + { + JDesktopIcon icon = frame.getDesktopIcon(); + Container c = icon.getParent(); + if (c != null && icon != null) + { + Rectangle b = icon.getBounds(); + c.remove(icon); + c.repaint(b.x, b.y, b.width, b.height); + } + } + + /** + * This method is called by iconifyFrame to determine the bounds of the + * JDesktopIcon for the given JInternalFrame. + * + * @param frame The JInternalFrame to find the bounds of its JDesktopIcon + * for. + * + * @return The bounds of the JDesktopIcon. + */ + protected Rectangle getBoundsForIconOf(JInternalFrame frame) + { + // IconRects has no order to it. + // The icon _must_ be placed in the first free slot (working from + // the bottom left corner) + // The icon also must not be placed where another icon is placed + // (regardless whether that frame is an icon currently or not) + JDesktopPane desktopPane = frame.getDesktopPane(); + + if (desktopPane == null) + return frame.getDesktopIcon().getBounds(); + + Rectangle paneBounds = desktopPane.getBounds(); + Insets insets = desktopPane.getInsets(); + Dimension pref = frame.getDesktopIcon().getPreferredSize(); + + Component[] frames = desktopPane.getComponents(); + + int count = 0; + for (int i = 0, j = 0; i < frames.length; i++) + if (frames[i] instanceof JDesktopIcon + || frames[i] instanceof JInternalFrame + && ((JInternalFrame) frames[i]).getWasIcon() && frames[i] != frame) + count++; + iconRects = new Rectangle[count]; + for (int i = 0, j = 0; i < frames.length; i++) + if (frames[i] instanceof JDesktopIcon) + iconRects[--count] = frames[i].getBounds(); + else if (frames[i] instanceof JInternalFrame + && ((JInternalFrame) frames[i]).getWasIcon() + && frames[i] != frame) + iconRects[--count] = ((JInternalFrame) frames[i]) + .getDesktopIcon().getBounds(); + + int startingX = insets.left; + int startingY = paneBounds.height - insets.bottom - pref.height; + Rectangle ideal = new Rectangle(startingX, startingY, pref.width, + pref.height); + boolean clear = true; + + while (iconRects.length > 0) + { + clear = true; + for (int i = 0; i < iconRects.length; i++) + { + if (iconRects[i] != null && iconRects[i].intersects(ideal)) + { + clear = false; + break; + } + } + if (clear) + return ideal; + + startingX += pref.width; + if (startingX + pref.width > paneBounds.width - insets.right) + { + startingX = insets.left; + startingY -= pref.height; + } + ideal.setBounds(startingX, startingY, pref.width, pref.height); + } + + return ideal; + } + + /** + * This method sets the bounds of the JInternalFrame right before the + * maximizeFrame call. + * + * @param frame The JInternalFrame being maximized. + * @param rect The normal bounds. + */ + protected void setPreviousBounds(JInternalFrame frame, Rectangle rect) + { + frame.setNormalBounds(rect); + } + + /** + * This method returns the normal bounds of the JInternalFrame from before + * the maximize call. + * + * @param frame The JInternalFrame that is being restored. + * + * @return The previous bounds of the JInternalFrame. + */ + protected Rectangle getPreviousBounds(JInternalFrame frame) + { + return frame.getNormalBounds(); + } + + /** + * This method sets the value to true if the given JInternalFrame has been + * iconized and the bounds of its DesktopIcon are valid. + * + * @param frame The JInternalFrame for the JDesktopIcon. + * @param value True if the JInternalFrame has been iconized and the bounds + * of the JDesktopIcon are valid. + */ + protected void setWasIcon(JInternalFrame frame, Boolean value) + { + frame.setWasIcon(value.booleanValue(), WAS_ICON_ONCE_PROPERTY); + } + + /** + * This method returns true if the given JInternalFrame has been iconized + * and the bounds of its DesktopIcon are valid. + * + * @param frame The JInternalFrame for the JDesktopIcon. + * + * @return True if the given JInternalFrame has been iconized and the bounds + * of its DesktopIcon are valid. + */ + protected boolean wasIcon(JInternalFrame frame) + { + return frame.getWasIcon(); + } +} -- cgit v1.2.3