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Win32UIEnhancer.javaAPI DocAzureus 3.0.3.44548Fri Jan 12 12:30:20 GMT 2007org.gudy.azureus2.ui.swt.win32

Win32UIEnhancer

public class Win32UIEnhancer extends Object
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

Fields Summary
Constructors Summary
Methods Summary
static java.lang.StringfindProgramKey(java.lang.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 org.eclipse.swt.graphics.ImageDatagetBigImageData(java.lang.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;
static java.lang.StringgetKeyValue(java.lang.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;