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/*
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* Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package sun.awt.X11;
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import java.awt.*;
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import java.awt.image.*;
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import sun.awt.X11GraphicsConfig;
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import sun.awt.image.ToolkitImage;
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import sun.awt.image.ImageRepresentation;
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import java.util.logging.*;
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public class XIconWindow extends XBaseWindow {
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private final static Logger log = Logger.getLogger("sun.awt.X11.XIconWindow");
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XDecoratedPeer parent;
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Dimension size;
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long iconPixmap = 0;
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long iconMask = 0;
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int iconWidth = 0;
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int iconHeight = 0;
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XIconWindow(XDecoratedPeer parent) {
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super(new XCreateWindowParams(new Object[] {
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PARENT, parent,
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DELAYED, Boolean.TRUE}));
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}
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void instantPreInit(XCreateWindowParams params) {
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super.instantPreInit(params);
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this.parent = (XDecoratedPeer)params.get(PARENT);
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}
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/**
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* @return array of XIconsSize structures, caller must free this array after use.
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*/
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private XIconSize[] getIconSizes() {
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XToolkit.awtLock();
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try {
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AwtGraphicsConfigData adata = parent.getGraphicsConfigurationData();
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final long screen = adata.get_awt_visInfo().get_screen();
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final long display = XToolkit.getDisplay();
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if (log.isLoggable(Level.FINEST)) log.finest(adata.toString());
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long status =
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XlibWrapper.XGetIconSizes(display, XToolkit.getDefaultRootWindow(),
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XlibWrapper.larg1, XlibWrapper.iarg1);
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if (status == 0) {
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return null;
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}
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int count = Native.getInt(XlibWrapper.iarg1);
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long sizes_ptr = Native.getLong(XlibWrapper.larg1); // XIconSize*
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log.log(Level.FINEST, "count = {1}, sizes_ptr = {0}", new Object[] {Long.valueOf(sizes_ptr), Integer.valueOf(count)});
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XIconSize[] res = new XIconSize[count];
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for (int i = 0; i < count; i++, sizes_ptr += XIconSize.getSize()) {
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res[i] = new XIconSize(sizes_ptr);
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log.log(Level.FINEST, "sizes_ptr[{1}] = {0}", new Object[] {res[i], Integer.valueOf(i)});
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}
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return res;
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} finally {
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XToolkit.awtUnlock();
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}
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}
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private Dimension calcIconSize(int widthHint, int heightHint) {
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if (XWM.getWMID() == XWM.ICE_WM) {
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// ICE_WM has a bug - it only displays icons of the size
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// 16x16, while reporting 32x32 in its size list
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log.log(Level.FINEST, "Returning ICE_WM icon size: 16x16");
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return new Dimension(16, 16);
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}
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XIconSize[] sizeList = getIconSizes();
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log.log(Level.FINEST, "Icon sizes: {0}", new Object[] {sizeList});
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if (sizeList == null) {
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// No icon sizes so we simply fall back to 16x16
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return new Dimension(16, 16);
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}
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boolean found = false;
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int dist = 0xffffffff, newDist, diff = 0, closestHeight, closestWidth;
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int saveWidth = 0, saveHeight = 0;
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for (int i = 0; i < sizeList.length; i++) {
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if (widthHint >= sizeList[i].get_min_width() &&
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widthHint <= sizeList[i].get_max_width() &&
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heightHint >= sizeList[i].get_min_height() &&
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heightHint <= sizeList[i].get_max_height()) {
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found = true;
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if ((((widthHint-sizeList[i].get_min_width())
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% sizeList[i].get_width_inc()) == 0) &&
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(((heightHint-sizeList[i].get_min_height())
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% sizeList[i].get_height_inc()) ==0)) {
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/* Found an exact match */
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saveWidth = widthHint;
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saveHeight = heightHint;
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dist = 0;
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break;
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}
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diff = widthHint - sizeList[i].get_min_width();
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if (diff == 0) {
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closestWidth = widthHint;
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} else {
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diff = diff%sizeList[i].get_width_inc();
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closestWidth = widthHint - diff;
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}
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diff = heightHint - sizeList[i].get_min_height();
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if (diff == 0) {
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closestHeight = heightHint;
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} else {
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diff = diff%sizeList[i].get_height_inc();
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closestHeight = heightHint - diff;
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}
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newDist = closestWidth*closestWidth +
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closestHeight*closestHeight;
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if (dist > newDist) {
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saveWidth = closestWidth;
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saveHeight = closestHeight;
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dist = newDist;
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}
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}
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}
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if (log.isLoggable(Level.FINEST)) {
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log.finest("found=" + found);
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}
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if (!found) {
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if (log.isLoggable(Level.FINEST)) {
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log.finest("widthHint=" + widthHint + ", heightHint=" + heightHint
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+ ", saveWidth=" + saveWidth + ", saveHeight=" + saveHeight
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+ ", max_width=" + sizeList[0].get_max_width()
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+ ", max_height=" + sizeList[0].get_max_height()
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+ ", min_width=" + sizeList[0].get_min_width()
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+ ", min_height=" + sizeList[0].get_min_height());
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}
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if (widthHint > sizeList[0].get_max_width() ||
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heightHint > sizeList[0].get_max_height())
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{
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// Icon image too big
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/* determine which way to scale */
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int wdiff = widthHint - sizeList[0].get_max_width();
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int hdiff = heightHint - sizeList[0].get_max_height();
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if (log.isLoggable(Level.FINEST)) {
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log.finest("wdiff=" + wdiff + ", hdiff=" + hdiff);
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}
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if (wdiff >= hdiff) { /* need to scale width more */
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saveWidth = sizeList[0].get_max_width();
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saveHeight =
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(int)(((double)sizeList[0].get_max_width()/widthHint) * heightHint);
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} else {
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saveWidth =
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(int)(((double)sizeList[0].get_max_height()/heightHint) * widthHint);
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saveHeight = sizeList[0].get_max_height();
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}
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} else if (widthHint < sizeList[0].get_min_width() ||
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heightHint < sizeList[0].get_min_height())
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{
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// Icon image too small
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saveWidth = (sizeList[0].get_min_width()+sizeList[0].get_max_width())/2;
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saveHeight = (sizeList[0].get_min_height()+sizeList[0].get_max_height())/2;
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} else {
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// Icon image fits within right size
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saveWidth = widthHint;
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saveHeight = widthHint;
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}
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}
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XToolkit.awtLock();
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try {
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XlibWrapper.XFree(sizeList[0].pData);
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} finally {
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XToolkit.awtUnlock();
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}
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if (log.isLoggable(Level.FINEST)) {
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log.finest("return " + saveWidth + "x" + saveHeight);
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}
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return new Dimension(saveWidth, saveHeight);
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}
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/**
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* @return preffered icon size calculated from specific icon
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*/
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Dimension getIconSize(int widthHint, int heightHint) {
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if (size == null) {
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size = calcIconSize(widthHint, heightHint);
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}
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return size;
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}
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/**
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* This function replaces iconPixmap handle with new image
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* It does not replace window's hints, so it should be
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* called only from setIconImage()
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*/
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void replaceImage(Image img)
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{
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if (parent == null) {
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return;
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}
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//Prepare image
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//create new buffered image of desired size
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//in current window's color model
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BufferedImage bi = null;
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if (img != null && iconWidth != 0 && iconHeight != 0) {
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GraphicsConfiguration defaultGC = parent.getGraphicsConfiguration().getDevice().getDefaultConfiguration();
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ColorModel model = defaultGC.getColorModel();
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WritableRaster raster = model.createCompatibleWritableRaster(iconWidth, iconHeight);
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bi = new BufferedImage(model, raster, model.isAlphaPremultiplied(), null);
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Graphics g = bi.getGraphics();
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try {
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//We need to draw image on SystemColors.window
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//for using as iconWindow's background
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g.setColor(SystemColor.window);
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g.fillRect(0, 0, iconWidth, iconHeight);
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if (g instanceof Graphics2D) {
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((Graphics2D)g).setComposite(AlphaComposite.Src);
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}
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g.drawImage(img, 0, 0, iconWidth, iconHeight, null);
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} finally {
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g.dispose();
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}
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}
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//create pixmap
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XToolkit.awtLock();
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try {
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if (iconPixmap != 0) {
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XlibWrapper.XFreePixmap(XToolkit.getDisplay(), iconPixmap);
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iconPixmap = 0;
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log.finest("Freed previous pixmap");
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}
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if (bi == null || iconWidth == 0 || iconHeight == 0) {
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return; //The iconPixmap is 0 now, we have done everything
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}
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AwtGraphicsConfigData adata = parent.getGraphicsConfigurationData();
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awtImageData awtImage = adata.get_awtImage(0);
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XVisualInfo visInfo = adata.get_awt_visInfo();
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iconPixmap = XlibWrapper.XCreatePixmap(XToolkit.getDisplay(),
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XlibWrapper.RootWindow(XToolkit.getDisplay(), visInfo.get_screen()),
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iconWidth,
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iconHeight,
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awtImage.get_Depth()
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);
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if (iconPixmap == 0) {
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log.finest("Can't create new pixmap for icon");
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return; //Can't do nothing
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}
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//Transform image data
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long bytes = 0;
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DataBuffer srcBuf = bi.getData().getDataBuffer();
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if (srcBuf instanceof DataBufferByte) {
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byte[] buf = ((DataBufferByte)srcBuf).getData();
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ColorData cdata = adata.get_color_data(0);
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int num_colors = cdata.get_awt_numICMcolors();
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for (int i = 0; i < buf.length; i++) {
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buf[i] = (buf[i] >= num_colors) ?
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0 : cdata.get_awt_icmLUT2Colors(buf[i]);
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}
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bytes = Native.toData(buf);
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} else if (srcBuf instanceof DataBufferInt) {
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bytes = Native.toData(((DataBufferInt)srcBuf).getData());
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} else if (srcBuf instanceof DataBufferUShort) {
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bytes = Native.toData(((DataBufferUShort)srcBuf).getData());
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} else {
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throw new IllegalArgumentException("Unknown data buffer: " + srcBuf);
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}
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int bpp = awtImage.get_wsImageFormat().get_bits_per_pixel();
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int slp =awtImage.get_wsImageFormat().get_scanline_pad();
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int bpsl = paddedwidth(iconWidth*bpp, slp) >> 3;
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if (((bpsl << 3) / bpp) < iconWidth) {
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log.finest("Image format doesn't fit to icon width");
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return;
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}
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long dst = XlibWrapper.XCreateImage(XToolkit.getDisplay(),
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visInfo.get_visual(),
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(int)awtImage.get_Depth(),
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(int)XlibWrapper.ZPixmap,
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0,
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bytes,
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iconWidth,
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iconHeight,
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32,
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bpsl);
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if (dst == 0) {
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log.finest("Can't create XImage for icon");
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XlibWrapper.XFreePixmap(XToolkit.getDisplay(), iconPixmap);
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iconPixmap = 0;
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return;
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} else {
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log.finest("Created XImage for icon");
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}
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long gc = XlibWrapper.XCreateGC(XToolkit.getDisplay(), iconPixmap, 0, 0);
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if (gc == 0) {
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log.finest("Can't create GC for pixmap");
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XlibWrapper.XFreePixmap(XToolkit.getDisplay(), iconPixmap);
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iconPixmap = 0;
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return;
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} else {
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log.finest("Created GC for pixmap");
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319 |
}
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try {
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XlibWrapper.XPutImage(XToolkit.getDisplay(), iconPixmap, gc,
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dst, 0, 0, 0, 0, iconWidth, iconHeight);
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} finally {
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XlibWrapper.XFreeGC(XToolkit.getDisplay(), gc);
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325 |
}
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} finally {
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XToolkit.awtUnlock();
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}
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329 |
}
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330 |
|
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331 |
/**
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332 |
* This function replaces iconPixmap handle with new image
|
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333 |
* It does not replace window's hints, so it should be
|
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334 |
* called only from setIconImage()
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335 |
*/
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336 |
void replaceMask(Image img) {
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337 |
if (parent == null) {
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338 |
return;
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339 |
}
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340 |
//Prepare image
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341 |
BufferedImage bi = null;
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342 |
if (img != null && iconWidth != 0 && iconHeight != 0) {
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343 |
bi = new BufferedImage(iconWidth, iconHeight, BufferedImage.TYPE_INT_ARGB);
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344 |
Graphics g = bi.getGraphics();
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345 |
try {
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346 |
g.drawImage(img, 0, 0, iconWidth, iconHeight, null);
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347 |
} finally {
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348 |
g.dispose();
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349 |
}
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350 |
}
|
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351 |
//create mask
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XToolkit.awtLock();
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353 |
try {
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354 |
if (iconMask != 0) {
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355 |
XlibWrapper.XFreePixmap(XToolkit.getDisplay(), iconMask);
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356 |
iconMask = 0;
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357 |
log.finest("Freed previous mask");
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358 |
}
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359 |
if (bi == null || iconWidth == 0 || iconHeight == 0) {
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360 |
return; //The iconMask is 0 now, we have done everything
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361 |
}
|
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362 |
AwtGraphicsConfigData adata = parent.getGraphicsConfigurationData();
|
|
363 |
awtImageData awtImage = adata.get_awtImage(0);
|
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364 |
XVisualInfo visInfo = adata.get_awt_visInfo();
|
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365 |
ColorModel cm = bi.getColorModel();
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366 |
DataBuffer srcBuf = bi.getRaster().getDataBuffer();
|
|
367 |
int sidx = 0;//index of source element
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368 |
int bpl = (iconWidth + 7) >> 3;//bytes per line
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369 |
byte[] destBuf = new byte[bpl * iconHeight];
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|
370 |
int didx = 0;//index of destination element
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371 |
for (int i = 0; i < iconHeight; i++) {
|
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372 |
int dbit = 0;//index of current bit
|
|
373 |
int cv = 0;
|
|
374 |
for (int j = 0; j < iconWidth; j++) {
|
|
375 |
if (cm.getAlpha(srcBuf.getElem(sidx)) != 0 ) {
|
|
376 |
cv = cv + (1 << dbit);
|
|
377 |
}
|
|
378 |
dbit++;
|
|
379 |
if (dbit == 8) {
|
|
380 |
destBuf[didx] = (byte)cv;
|
|
381 |
cv = 0;
|
|
382 |
dbit = 0;
|
|
383 |
didx++;
|
|
384 |
}
|
|
385 |
sidx++;
|
|
386 |
}
|
|
387 |
}
|
|
388 |
iconMask = XlibWrapper.XCreateBitmapFromData(XToolkit.getDisplay(),
|
|
389 |
XlibWrapper.RootWindow(XToolkit.getDisplay(), visInfo.get_screen()),
|
|
390 |
Native.toData(destBuf),
|
|
391 |
iconWidth, iconHeight);
|
|
392 |
} finally {
|
|
393 |
XToolkit.awtUnlock();
|
|
394 |
}
|
|
395 |
}
|
|
396 |
|
|
397 |
/**
|
|
398 |
* Sets icon image by selecting one of the images from the list.
|
|
399 |
* The selected image is the one having the best matching size.
|
|
400 |
*/
|
|
401 |
void setIconImages(java.util.List<XIconInfo> icons) {
|
|
402 |
if (icons == null || icons.size() == 0) return;
|
|
403 |
|
|
404 |
int minDiff = Integer.MAX_VALUE;
|
|
405 |
Image min = null;
|
|
406 |
for (XIconInfo iconInfo : icons) {
|
|
407 |
if (iconInfo.isValid()) {
|
|
408 |
Image image = iconInfo.getImage();
|
|
409 |
Dimension dim = calcIconSize(image.getWidth(null), image.getHeight(null));
|
|
410 |
int widthDiff = Math.abs(dim.width - image.getWidth(null));
|
|
411 |
int heightDiff = Math.abs(image.getHeight(null) - dim.height);
|
|
412 |
|
|
413 |
// "=" below allows to select the best matching icon
|
|
414 |
if (minDiff >= (widthDiff + heightDiff)) {
|
|
415 |
minDiff = (widthDiff + heightDiff);
|
|
416 |
min = image;
|
|
417 |
}
|
|
418 |
}
|
|
419 |
}
|
|
420 |
if (min != null) {
|
|
421 |
log.log(Level.FINER, "Icon: {0}x{1}", new Object[] { min.getWidth(null), min.getHeight(null)});
|
|
422 |
setIconImage(min);
|
|
423 |
}
|
|
424 |
}
|
|
425 |
|
|
426 |
void setIconImage(Image img) {
|
|
427 |
if (img == null) {
|
|
428 |
//if image is null, reset to default image
|
|
429 |
replaceImage(null);
|
|
430 |
replaceMask(null);
|
|
431 |
} else {
|
|
432 |
//get image size
|
|
433 |
int width;
|
|
434 |
int height;
|
|
435 |
if (img instanceof ToolkitImage) {
|
|
436 |
ImageRepresentation ir = ((ToolkitImage)img).getImageRep();
|
|
437 |
ir.reconstruct(ImageObserver.ALLBITS);
|
|
438 |
width = ir.getWidth();
|
|
439 |
height = ir.getHeight();
|
|
440 |
}
|
|
441 |
else {
|
|
442 |
width = img.getWidth(null);
|
|
443 |
height = img.getHeight(null);
|
|
444 |
}
|
|
445 |
Dimension iconSize = getIconSize(width, height);
|
|
446 |
if (iconSize != null) {
|
|
447 |
log.log(Level.FINEST, "Icon size: {0}", iconSize);
|
|
448 |
iconWidth = iconSize.width;
|
|
449 |
iconHeight = iconSize.height;
|
|
450 |
} else {
|
|
451 |
log.finest("Error calculating image size");
|
|
452 |
iconWidth = 0;
|
|
453 |
iconHeight = 0;
|
|
454 |
}
|
|
455 |
replaceImage(img);
|
|
456 |
replaceMask(img);
|
|
457 |
}
|
|
458 |
//create icon window and set XWMHints
|
|
459 |
XToolkit.awtLock();
|
|
460 |
try {
|
|
461 |
AwtGraphicsConfigData adata = parent.getGraphicsConfigurationData();
|
|
462 |
awtImageData awtImage = adata.get_awtImage(0);
|
|
463 |
XVisualInfo visInfo = adata.get_awt_visInfo();
|
|
464 |
XWMHints hints = parent.getWMHints();
|
|
465 |
window = hints.get_icon_window();
|
|
466 |
if (window == 0) {
|
|
467 |
log.finest("Icon window wasn't set");
|
|
468 |
XCreateWindowParams params = getDelayedParams();
|
|
469 |
params.add(BORDER_PIXEL, Long.valueOf(XToolkit.getAwtDefaultFg()));
|
|
470 |
params.add(BACKGROUND_PIXMAP, iconPixmap);
|
|
471 |
params.add(COLORMAP, adata.get_awt_cmap());
|
|
472 |
params.add(DEPTH, awtImage.get_Depth());
|
|
473 |
params.add(VISUAL_CLASS, (int)XlibWrapper.InputOutput);
|
|
474 |
params.add(VISUAL, visInfo.get_visual());
|
|
475 |
params.add(VALUE_MASK, XlibWrapper.CWBorderPixel | XlibWrapper.CWColormap | XlibWrapper.CWBackPixmap);
|
|
476 |
params.add(PARENT_WINDOW, XlibWrapper.RootWindow(XToolkit.getDisplay(), visInfo.get_screen()));
|
|
477 |
params.add(BOUNDS, new Rectangle(0, 0, iconWidth, iconHeight));
|
|
478 |
params.remove(DELAYED);
|
|
479 |
init(params);
|
|
480 |
if (getWindow() == 0) {
|
|
481 |
log.finest("Can't create new icon window");
|
|
482 |
} else {
|
|
483 |
log.finest("Created new icon window");
|
|
484 |
}
|
|
485 |
}
|
|
486 |
if (getWindow() != 0) {
|
|
487 |
XlibWrapper.XSetWindowBackgroundPixmap(XToolkit.getDisplay(), getWindow(), iconPixmap);
|
|
488 |
XlibWrapper.XClearWindow(XToolkit.getDisplay(), getWindow());
|
|
489 |
}
|
|
490 |
// Provide both pixmap and window, WM or Taskbar will use the one they find more appropriate
|
|
491 |
long newFlags = hints.get_flags() | XlibWrapper.IconPixmapHint | XlibWrapper.IconMaskHint;
|
|
492 |
if (getWindow() != 0) {
|
|
493 |
newFlags |= XlibWrapper.IconWindowHint;
|
|
494 |
}
|
|
495 |
hints.set_flags(newFlags);
|
|
496 |
hints.set_icon_pixmap(iconPixmap);
|
|
497 |
hints.set_icon_mask(iconMask);
|
|
498 |
hints.set_icon_window(getWindow());
|
|
499 |
XlibWrapper.XSetWMHints(XToolkit.getDisplay(), parent.getShell(), hints.pData);
|
|
500 |
log.finest("Set icon window hint");
|
|
501 |
} finally {
|
|
502 |
XToolkit.awtUnlock();
|
|
503 |
}
|
|
504 |
}
|
|
505 |
|
|
506 |
static int paddedwidth(int number, int boundary)
|
|
507 |
{
|
|
508 |
return (((number) + ((boundary) - 1)) & (~((boundary) - 1)));
|
|
509 |
}
|
|
510 |
}
|