/**
* Copyright (C) 2006 Aelitis, All Rights Reserved.
*
* This program 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
* of the License, or (at your option) any later version.
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 63.529,40 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package org.gudy.azureus2.ui.swt.win32;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.internal.win32.OS;
import org.eclipse.swt.internal.win32.TCHAR;
/**
* @author TuxPaper
* @created Nov 29, 2006
*
* Note: You can safely exclude this class from the build path.
* All calls to this class use (or at least should use) reflection
*/
public class Win32UIEnhancer
{
static String findProgramKey(String extension) {
if (extension == null)
SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (extension.length() == 0)
return null;
if (extension.charAt(0) != '.')
extension = "." + extension; //$NON-NLS-1$
/* Use the character encoding for the default locale */
TCHAR key = new TCHAR(0, extension, true);
int[] phkResult = new int[1];
if (OS.RegOpenKeyEx(OS.HKEY_CLASSES_ROOT, key, 0, OS.KEY_READ, phkResult) != 0) {
return null;
}
int[] lpcbData = new int[1];
int result = OS.RegQueryValueEx(phkResult[0], null, 0, null, (TCHAR) null,
lpcbData);
if (result == 0) {
TCHAR lpData = new TCHAR(0, lpcbData[0] / TCHAR.sizeof);
result = OS.RegQueryValueEx(phkResult[0], null, 0, null, lpData, lpcbData);
if (result == 0)
return lpData.toString(0, lpData.strlen());
}
OS.RegCloseKey(phkResult[0]);
return null;
}
public static ImageData getBigImageData(String extension) {
String key = findProgramKey(extension);
if (key == null) {
return null;
}
/* Icon */
String DEFAULT_ICON = "\\DefaultIcon"; //$NON-NLS-1$
String iconName = getKeyValue(key + DEFAULT_ICON, true);
if (iconName == null)
iconName = ""; //$NON-NLS-1$
int nIconIndex = 0;
String fileName = iconName;
int index = iconName.indexOf(',');
if (index != -1) {
fileName = iconName.substring(0, index);
String iconIndex = iconName.substring(index + 1, iconName.length()).trim();
try {
nIconIndex = Integer.parseInt(iconIndex);
} catch (NumberFormatException e) {
}
}
/* Use the character encoding for the default locale */
TCHAR lpszFile = new TCHAR(0, fileName, true);
int[] phiconSmall = null, phiconLarge = new int[1];
OS.ExtractIconEx(lpszFile, nIconIndex, phiconLarge, phiconSmall, 1);
if (phiconLarge[0] == 0) {
return null;
}
// Image image = Image.win32_new(null, SWT.ICON, phiconLarge[0]);
// ImageData imageData = image.getImageData();
// image.dispose();
// return imageData;
return null;
}
static String getKeyValue(String string, boolean expand) {
/* Use the character encoding for the default locale */
TCHAR key = new TCHAR(0, string, true);
int[] phkResult = new int[1];
if (OS.RegOpenKeyEx(OS.HKEY_CLASSES_ROOT, key, 0, OS.KEY_READ, phkResult) != 0) {
return null;
}
String result = null;
int[] lpcbData = new int[1];
if (OS.RegQueryValueEx(phkResult[0], (TCHAR) null, 0, null, (TCHAR) null,
lpcbData) == 0) {
result = "";
int length = lpcbData[0] / TCHAR.sizeof;
if (length != 0) {
/* Use the character encoding for the default locale */
TCHAR lpData = new TCHAR(0, length);
if (OS.RegQueryValueEx(phkResult[0], null, 0, null, lpData, lpcbData) == 0) {
if (!OS.IsWinCE && expand) {
length = OS.ExpandEnvironmentStrings(lpData, null, 0);
if (length != 0) {
TCHAR lpDst = new TCHAR(0, length);
OS.ExpandEnvironmentStrings(lpData, lpDst, length);
result = lpDst.toString(0, Math.max(0, length - 1));
}
} else {
length = Math.max(0, lpData.length() - 1);
result = lpData.toString(0, length);
}
}
}
}
if (phkResult[0] != 0)
OS.RegCloseKey(phkResult[0]);
return result;
}
}