PR18855

1 files changed, 169 insertions, 17 deletions

diff --git a/bundles/org.eclipse.swt/Eclipse SWT Program/win32/org/eclipse/swt/program/Program.java b/bundles/org.eclipse.swt/Eclipse SWT Program/win32/org/eclipse/swt/program/Program.java
index d9d166de9a..c9b72b4bd6 100755
--- a/bundles/org.eclipse.swt/Eclipse SWT Program/win32/org/eclipse/swt/program/Program.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Program/win32/org/eclipse/swt/program/Program.java
@@ -1,9 +1,9 @@
 package org.eclipse.swt.program;

 

 /*

- * Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
- * This file is made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
+ * Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.

+ * This file is made available under the terms of the Common Public License v1.0

+ * which accompanies this distribution, and is available at

  * http://www.eclipse.org/legal/cpl-v10.html

  */

  

@@ -92,19 +92,60 @@ public static String [] getExtensions () {
 	return extensions;

 }

 

-static String getKeyValue (String string, boolean expand) {

+static Program [] getFileClassPrograms () {

+	Program [] programs = new Program [128];

+	/* Use the character encoding for the default locale */

+	TCHAR lpName = new TCHAR (0, 1024);

+	int [] lpcName = new int [] {lpName.length ()};

+	FILETIME ft = new FILETIME ();

+	int dwIndex = 0, count = 0;

+	while (OS.RegEnumKeyEx (OS.HKEY_CLASSES_ROOT, dwIndex, lpName, lpcName, null, null, null, ft) != OS.ERROR_NO_MORE_ITEMS) {	

+		String path = lpName.toString (0, lpcName [0]);

+		lpcName [0] = lpName.length ();

+		Program program = getProgram (path);

+		if (program != null) {

+			/* Make sure the name is unique */

+			boolean isDuplicate = false;

+			for (int i = 0; i < count; i++) {

+				String value = programs [i].name;

+				if (value.equalsIgnoreCase (program.name)) {

+					isDuplicate = true;

+					break;

+				}

+			}

+			if (!isDuplicate) {

+				if (count == programs.length) {

+					Program [] newPrograms = new Program [programs.length + 128];

+					System.arraycopy (programs, 0, newPrograms, 0, programs.length);

+					programs = newPrograms;

+				}

+				programs [count++] = program;

+			}

+		}

+		dwIndex++;

+	}

+	if (count != programs.length) {

+		Program [] newPrograms = new Program [count];

+		System.arraycopy (programs, 0, newPrograms, 0, count);

+		programs = newPrograms;

+	}

+	return programs;

+}

+

+static String getKeyValue (String string, String value, 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;

 	}

+	TCHAR lpValueName = value == null ? null : new TCHAR (0, value, true);

 	String result = null;

 	int [] lpcbData = new int [1];

-	if (OS.RegQueryValueEx (phkResult [0], (TCHAR) null, 0, null, null, lpcbData) == 0) {

+	if (OS.RegQueryValueEx (phkResult [0], lpValueName, 0, null, null, lpcbData) == 0) {

 		/* Use the character encoding for the default locale */

 		TCHAR lpData = new TCHAR (0, lpcbData [0] / TCHAR.sizeof);

-		if (OS.RegQueryValueEx (phkResult [0], null, 0, null, lpData, lpcbData) == 0) {

+		if (OS.RegQueryValueEx (phkResult [0], lpValueName, 0, null, lpData, lpcbData) == 0) {

 			if (!OS.IsWinCE && expand) {

 				int nSize = OS.ExpandEnvironmentStrings (lpData, null, 0);

 				TCHAR lpDst = new TCHAR (0, nSize);

@@ -121,19 +162,18 @@ static String getKeyValue (String string, boolean expand) {
 }

 

 static Program getProgram (String key) {

-	

-	/* Name */

-	String name = getKeyValue (key, false);

-	if (name == null || name.length () == 0) return null;

 

 	/* Command */

 	String COMMAND = "\\shell\\open\\command";

-	String command = getKeyValue (key + COMMAND, true);

+	String command = getKeyValue (key + COMMAND, null, true);

 	if (command == null || command.length () == 0) return null;

 	

+	/* Name */

+	String name = getProgramName(key, command);

+	if (name == null || name.length () == 0) return null;

+

 	/* Icon */

-	String DEFAULT_ICON = "\\DefaultIcon";

-	String iconName = getKeyValue (key + DEFAULT_ICON, true);

+	String iconName = getProgramPath(command);

 	if (iconName == null || iconName.length () == 0) return null;

 	

 	Program program = new Program ();

@@ -149,19 +189,39 @@ static Program getProgram (String key) {
  * @return an array of programs

  */

 public static Program [] getPrograms () {

-	Program [] programs = new Program [1024];

+	/* 

+	* The Windows registry maintains a list of file extensions and their related

+	* editors. In addition, W2K and XP maintain a list of applications which can

+	* be used to populate the 'Open As' dialog. 2 articles in MSDN describe this

+	* mechanism: 'File Associations: Arbitrary File Types' and 'Creating a File

+	* Association'.

+	* There does not seem to be an API to retrieve the list of programs in the

+	* 'Open As' dialog. As a result, on W2K machines and above, we look up the

+	* registry as described in the articles above. On Win95 and NT machines, we use

+	* the list of applications registered to one or more file classes.

+	*/

+	if (OS.IsWin95) return getFileClassPrograms ();

+	if ((OS.WIN32_MAJOR << 16 | OS.WIN32_MINOR) < (4 << 16 | 10)) return getFileClassPrograms ();

+	String KEY = "Applications";

+	/* Use the character encoding for the default locale */

+	TCHAR key = new TCHAR (0, KEY, true);

+	int [] phkResult = new int [1];

+	if (OS.RegOpenKeyEx (OS.HKEY_CLASSES_ROOT, key, 0, OS.KEY_READ, phkResult) != 0) {

+		return  new Program [0];

+	}

+	Program [] programs = new Program [128];

 	/* Use the character encoding for the default locale */

 	TCHAR lpName = new TCHAR (0, 1024);

 	int [] lpcName = new int [] {lpName.length ()};

 	FILETIME ft = new FILETIME ();

 	int dwIndex = 0, count = 0;

-	while (OS.RegEnumKeyEx (OS.HKEY_CLASSES_ROOT, dwIndex, lpName, lpcName, null, null, null, ft) != OS.ERROR_NO_MORE_ITEMS) {	

-		String path = lpName.toString (0, lpcName [0]);

+	while (OS.RegEnumKeyEx (phkResult[0], dwIndex, lpName, lpcName, null, null, null, ft) != OS.ERROR_NO_MORE_ITEMS) {	

+		String path = KEY + "\\" + lpName.toString (0, lpcName [0]);

 		lpcName [0] = lpName.length ();

 		Program program = getProgram (path);

 		if (program != null) {

 			if (count == programs.length) {

-				Program [] newPrograms = new Program [programs.length + 1024];

+				Program [] newPrograms = new Program [programs.length + 128];

 				System.arraycopy (programs, 0, newPrograms, 0, programs.length);

 				programs = newPrograms;

 			}

@@ -177,6 +237,98 @@ public static Program [] getPrograms () {
 	return programs;

 }

 

+static String getProgramName (String key, String command) {

+	String FRIENDLYAPPNAME = "FriendlyAppName";

+	/* The FriendlyAppName registry key contains the application name 

+	 * and must be searched first. It can be missing.
	 */

+	String name = getKeyValue (key, FRIENDLYAPPNAME, true);

+	if (name != null) {

+		/* The value is either a string or a reference to a resource

+		 * string located in an exe or dll.
		 */

+		if (name.charAt (0) == '@') {

+			int nResourceIndex = 0;

+			String fileName = name;

+			int index = name.indexOf (',');

+			if (index != -1) {

+				fileName = name.substring (1, index);

+				String resourceIndex = name.substring (index + 1, name.length ()).trim ();

+				try {

+					nResourceIndex = Integer.parseInt (resourceIndex);

+				} catch (NumberFormatException e) {};

+			}

+			name = null;

+			/* Use the character encoding for the default locale */

+			TCHAR lpFileName = new TCHAR (0, fileName, true);

+			int hInstance = OS.LoadLibraryEx (lpFileName, 0, OS.LOAD_LIBRARY_AS_DATAFILE);

+			if (hInstance != 0) {

+				if (nResourceIndex < 0) nResourceIndex = -nResourceIndex;

+				int nBufferMax = 1024;

+				TCHAR lpBuffer = new TCHAR (0, nBufferMax);

+				int nbr = OS.LoadString (hInstance, nResourceIndex, lpBuffer, nBufferMax);

+				if (nbr != 0) name = lpBuffer.toString (0, nbr);

+				OS.FreeLibrary (hInstance);

+			}

+		}

+		if (name != null && name.length () != 0) return name;

+	}

+	/* Get the friendly name in the version information of the executable */

+	String path = getProgramPath (command);

+	if (path == null) return null;

+	TCHAR lptstrFileName = new TCHAR (0, path, true);

+	int [] lpdwHandle = new int [1];

+	int size = OS.GetFileVersionInfoSize (lptstrFileName, lpdwHandle);

+	if (size != 0) {

+		String langCodepage = null;

+		int hHeap = OS.GetProcessHeap ();

+		int lpData = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, size);

+		if (OS.GetFileVersionInfo(lptstrFileName, 0, size, lpData) != 0) {

+			int[] lplpBuffer = new int [1];

+			int[] puLen = new int [1];

+			short[] codes = new short [2]; 

+			/* Get the hexadecimal string representing the language and codepage

+			 * used by the String table 

+			 */

+			if (OS.VerQueryValue(lpData, new TCHAR(0, "\\VarFileInfo\\Translation", true), lplpBuffer, puLen)) {

+				if (puLen [0] == 4 && lplpBuffer [0] != 0) {

+					OS.MoveMemory(codes, lplpBuffer [0], 4);

+					String data = Integer.toHexString(codes [0] & 0xffff);

+					while (data.length () < 4) data = "0" + data;

+					langCodepage = data;

+					data = Integer.toHexString (codes [1] & 0xffff);

+					while (data.length () < 4) data = "0" + data;

+					langCodepage += data;					

+				}	

+			}

+			if (langCodepage != null) {

+				TCHAR lpSubBlock = new TCHAR (0, "\\StringFileInfo\\" + langCodepage + "\\FileDescription", true);

+				if (OS.VerQueryValue(lpData, lpSubBlock, lplpBuffer, puLen)) {

+					if (lplpBuffer [0] != 0 && puLen [0] != 0) {

+						TCHAR description = new TCHAR(0, puLen [0]);

+						OS.MoveMemory(description, lplpBuffer [0], puLen [0] * TCHAR.sizeof);

+						name = description.toString (0, description.strlen());

+					}

+				}

+			}

+		}

+		if (lpData != 0) OS.HeapFree (hHeap, 0, lpData);

+	}

+	return name;

+}

+

+static String getProgramPath (String command) {

+	String path = null;

+	/*

+	 * Parse the command which may contain quotes and parameters.

+	 * Remove the leading quote if any, and ignore everything

+	 * following the executable extension. If the command does not

+	 * refer to an executable (.exe file only), return null.
	 */	

+	int start = command.charAt (0) != '"' ? 0 : 1;

+	String extension = ".exe";

+	int index = command.toLowerCase ().indexOf (extension);

+	if (index > start) path = command.substring (start, index + extension.length ());

+	return path;

+}

+

 /**

  * Launches the executable associated with the file in

  * the operating system.  If the file is an executable,