
* sources.am, Makefile.in: Updated. * Makefile.am (nat_source_files): Removed natProxy.cc. * java/lang/reflect/natProxy.cc: Removed. * gnu/classpath/jdwp/VMFrame.java, gnu/classpath/jdwp/VMIdManager.java, gnu/classpath/jdwp/VMVirtualMachine.java, java/lang/reflect/VMProxy.java: New files. 2005-09-23 Thomas Fitzsimmons <fitzsim@redhat.com> * scripts/makemake.tcl (verbose): Add gnu/java/awt/peer/qt to BC list. 2005-09-23 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu/java/net/DefaultContentHandlerFactory.java (getContent): Remove ClasspathToolkit references. 2005-09-23 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu/awt/xlib/XCanvasPeer.java: Add new peer methods. * gnu/awt/xlib/XFramePeer.java: Likewise. * gnu/awt/xlib/XGraphicsConfiguration.java: Likewise. 2005-09-23 Thomas Fitzsimmons <fitzsim@redhat.com> * Makefile.am (libgcjawt_la_SOURCES): Remove jawt.c. Add classpath/native/jawt/jawt.c. * Makefile.in: Regenerate. * jawt.c: Remove file. * include/Makefile.am (tool_include__HEADERS): Remove jawt.h and jawt_md.h. Add ../classpath/include/jawt.h and ../classpath/include/jawt_md.h. * include/Makefile.in: Regenerate. * include/jawt.h: Regenerate. * include/jawt_md.h: Regenerate. From-SVN: r104586
328 lines
12 KiB
Java
328 lines
12 KiB
Java
/* SizeRequirements.java --
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Copyright (C) 2002, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing;
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import java.io.Serializable;
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/**
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* This class calculates information about the size and position requirements
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* of components.
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*
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* Two types of layout are supported:
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* <ul>
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* <li>Tiled: the components are placed at position top-left or bottom-right
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* position within their allocated space</li>
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* <li>Aligned: the components are placed aligned in their allocated space
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* according to their alignment value</li>
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* </ul>
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*
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* @author Andrew Selkirk
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* @author Roman Kennke (roman@kennke.org)
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*/
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public class SizeRequirements implements Serializable
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{
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/**
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* The serialVersionUID.
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*/
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private static final long serialVersionUID = 9217749429906736553L;
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/**
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* The minimum reasonable width or height of a component.
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*/
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public int minimum;
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/**
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* The preferred width or height of a component.
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*/
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public int preferred;
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/**
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* The maximum reasonable width or height of a component.
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*/
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public int maximum;
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/**
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* The horizontal or vertical alignment of a component.
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*/
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public float alignment;
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/**
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* Creates a SizeRequirements object with minimum, preferred and
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* maximum size set to zero, and an alignment value of 0.5.
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*/
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public SizeRequirements()
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{
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this (0, 0, 0, 0.5F);
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}
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/**
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* Creates a SizeRequirements object with the specified minimum,
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* preferred, maximum and alignment values.
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*
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* @param min the minimum reasonable size of the component
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* @param pref the preferred size of the component
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* @param max the maximum size of the component
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* @param align the alignment of the component
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*/
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public SizeRequirements(int min, int pref, int max, float align)
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{
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minimum = min;
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preferred = pref;
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maximum = max;
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alignment = align;
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}
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/**
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* Returns a String representation of this SizeRequirements object,
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* containing information about the minimum, preferred, maximum and
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* alignment value.
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*
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* @return a String representation of this SizeRequirements object
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*/
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public String toString()
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{
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return null; // TODO
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}
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/**
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* Calculates how much space is nessecary to place a set of components
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* end-to-end. The size requirements of the components is specified
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* in <code>children</code>.
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*
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* @param children the SizeRequirements of each of the components
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*
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* @return the SizeRequirements that describe how much space is needed
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* to place the components end-to-end
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*/
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public static SizeRequirements
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getTiledSizeRequirements(SizeRequirements[] children)
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{
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SizeRequirements result = new SizeRequirements();
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for (int i = 0; i < children.length; i++)
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{
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result.minimum += children[i].minimum;
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result.preferred += children[i].preferred;
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result.maximum += children[i].maximum;
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}
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return result;
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}
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/**
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* Calculates how much space is nessecary to place a set of components
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* aligned according to their alignment value.
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* The size requirements of the components is specified in
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* <code>children</code>.
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*
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* @param children the SizeRequirements of each of the components
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*
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* @return the SizeRequirements that describe how much space is needed
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* to place the components aligned
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*/
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public static SizeRequirements
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getAlignedSizeRequirements(SizeRequirements[] children)
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{
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return null; // TODO
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}
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/**
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* Calculate the offsets and spans of the components, when they should
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* be placed end-to-end.
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*
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* You must specify the amount of allocated space in
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* <code>allocated</code>, the total size requirements of the set of
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* components in <code>total</code> (this can be calculated using
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* {@link #getTiledSizeRequirements} and the size requirements of the
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* components in <code>children</code>.
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*
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* The calculated offset and span values for each component are then
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* stored in the arrays <code>offsets</code> and <code>spans</code>.
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*
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* The components are placed in the forward direction, beginning with
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* an offset of 0.
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*
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* @param allocated the amount of allocated space
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* @param total the total size requirements of the components
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* @param children the size requirement of each component
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* @param offsets will hold the offset values for each component
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* @param spans will hold the span values for each component
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*/
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public static void calculateTiledPositions(int allocated,
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SizeRequirements total,
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SizeRequirements[] children,
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int[] offsets, int[] spans)
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{
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calculateTiledPositions(allocated, total, children, offsets, spans, true);
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}
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/**
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* Calculate the offsets and spans of the components, when they should
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* be placed end-to-end.
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*
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* You must specify the amount of allocated space in
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* <code>allocated</code>, the total size requirements of the set of
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* components in <code>total</code> (this can be calculated using
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* {@link #getTiledSizeRequirements} and the size requirements of the
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* components in <code>children</code>.
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*
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* The calculated offset and span values for each component are then
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* stored in the arrays <code>offsets</code> and <code>spans</code>.
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*
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* Depending on the value of <code>forward</code> the components are
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* placed in the forward direction (left-right or top-bottom), where
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* the offsets begin with 0, or in the reverse direction
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* (right-left or bottom-top).
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*
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* @param allocated the amount of allocated space
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* @param total the total size requirements of the components
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* @param children the size requirement of each component
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* @param offsets will hold the offset values for each component
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* @param spans will hold the span values for each component
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* @param forward whether the components should be placed in the forward
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* direction (left-right or top-bottom) or reverse direction
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* (right-left or bottom-top)
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*/
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public static void calculateTiledPositions(int allocated,
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SizeRequirements total,
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SizeRequirements[] children,
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int[] offsets, int[] spans,
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boolean forward)
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{
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if (forward)
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{
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int offset = 0;
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for (int i = 0; i < children.length; i++)
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{
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offsets[i] = offset;
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spans[i] = children[i].preferred;
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offset += children[i].preferred;
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}
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}
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else
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{
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int offset = allocated;
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for (int i = 0; i < children.length; i++)
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{
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offset -= children[i].preferred;
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offsets[i] = offset;
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spans[i] = children[i].preferred;
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}
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}
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}
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/**
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* Calculate the offsets and spans of the components, when they should
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* be placed end-to-end.
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*
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* You must specify the amount of allocated space in
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* <code>allocated</code>, the total size requirements of the set of
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* components in <code>total</code> (this can be calculated using
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* {@link #getTiledSizeRequirements} and the size requirements of the
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* components in <code>children</code>.
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*
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* The calculated offset and span values for each component are then
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* stored in the arrays <code>offsets</code> and <code>spans</code>.
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*
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* The components are tiled in the forward direction, beginning with
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* an offset of 0.
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*
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* @param allocated the amount of allocated space
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* @param total the total size requirements of the components
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* @param children the size requirement of each component
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* @param offsets will hold the offset values for each component
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* @param spans will hold the span values for each component
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*/
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public static void calculateAlignedPositions(int allocated,
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SizeRequirements total,
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SizeRequirements[] children,
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int[] offsets, int[] spans)
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{
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calculateTiledPositions(allocated, total, children, offsets, spans, true);
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}
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/**
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* Calculate the offsets and spans of the components, when they should
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* be placed end-to-end.
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*
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* You must specify the amount of allocated space in
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* <code>allocated</code>, the total size requirements of the set of
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* components in <code>total</code> (this can be calculated using
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* {@link #getTiledSizeRequirements} and the size requirements of the
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* components in <code>children</code>.
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*
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* The calculated offset and span values for each component are then
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* stored in the arrays <code>offsets</code> and <code>spans</code>.
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*
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* Depending on the value of <code>forward</code> the components are
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* placed in the forward direction (left-right or top-bottom), where
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* the offsets begin with 0, or in the reverse direction
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* (right-left or bottom-top).
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*
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* @param allocated the amount of allocated space
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* @param total the total size requirements of the components
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* @param children the size requirement of each component
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* @param spans will hold the span values for each component
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* @param forward whether the components should be placed in the forward
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* direction (left-right or top-bottom) or reverse direction
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* (right-left or bottom-top)
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*/
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public static void calculateAlignedPositions(int allocated,
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SizeRequirements total,
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SizeRequirements[] children,
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int[] offset, int[] spans,
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boolean forward)
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{
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// TODO
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}
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/**
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* Returns an array of new preferred sizes for the children based on
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* <code>delta</code>. <code>delta</code> specifies a change in the
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* allocated space. The sizes of the children will be shortened or
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* lengthened to accomodate the new allocation.
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*
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* @param delta the change of the size of the total allocation for
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* the components
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* @param children the size requirements of each component
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*
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* @return the new preferred sizes for each component
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*/
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public static int[] adjustSizes(int delta, SizeRequirements[] children)
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{
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return null; // TODO
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}
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}
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