registering new window classes and creating windows

CHANGES.md

@@ -3,6 +3,15 @@ Next Release (3.5.2)
 
 Features
 --------
+[#163]
+* Now the java guid structure can be used directly as alternative to
+'Ole32Util.getGUIDFromString()'. @wolftobias
+* The listening for usb devices is now working also with filter usage. @wolftobias
+* Extension for listening to windows devices (usb). @wolftobias
+* Code extension for creating and registering win32 native windows. @wolftobias
+* Create new code for registering new win32 window classes and created a window
+demo. Listening for win32 window events. Listening for logoff/logon events. @wolftobias
+* Created new api for 'Wtsapi32.dll'. @wolftobias
 
 Bug Fixes
 ---------

contrib/native_window_msg/.classpath

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry combineaccessrules="false" kind="src" path="/jnalib"/>
+	<classpathentry kind="lib" path="C:/GitHub/jna-3.5.1.jar"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

contrib/native_window_msg/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>native_window_msg</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

contrib/native_window_msg/src/com/sun/jna/platform/win32/Win32WindowDemo.java

@@ -0,0 +1,313 @@
+/* Copyright (c) 2012 Tobias Wolf, All Rights Reserved
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library 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
+ * Lesser General Public License for more details.  
+ */
+
+package com.sun.jna.platform.win32;
+
+import com.sun.jna.WString;
+import com.sun.jna.platform.win32.DBT;
+import com.sun.jna.platform.win32.DBT.DEV_BROADCAST_DEVICEINTERFACE;
+import com.sun.jna.platform.win32.Kernel32;
+import com.sun.jna.platform.win32.User32;
+import com.sun.jna.platform.win32.WinDef.HMODULE;
+import com.sun.jna.platform.win32.WinDef.HWND;
+import com.sun.jna.platform.win32.WinDef.LPARAM;
+import com.sun.jna.platform.win32.WinDef.LRESULT;
+import com.sun.jna.platform.win32.WinDef.WPARAM;
+import com.sun.jna.platform.win32.WinUser;
+import com.sun.jna.platform.win32.WinUser.HDEVNOTIFY;
+import com.sun.jna.platform.win32.WinUser.MSG;
+import com.sun.jna.platform.win32.WinUser.WNDCLASSEX;
+import com.sun.jna.platform.win32.WinUser.WindowProc;
+import com.sun.jna.platform.win32.Wtsapi32;
+
+// TODO: Auto-generated Javadoc
+/**
+ * The Class Win32WindowTest.
+ */
+public class Win32WindowDemo implements WindowProc {
+
+	/**
+	 * Instantiates a new win32 window test.
+	 */
+	public Win32WindowDemo() {
+		// define new window class
+		WString windowClass = new WString("MyWindowClass");
+		HMODULE hInst = Kernel32.INSTANCE.GetModuleHandle("");
+
+		WNDCLASSEX wClass = new WNDCLASSEX();
+		wClass.hInstance = hInst;
+		wClass.lpfnWndProc = Win32WindowDemo.this;
+		wClass.lpszClassName = windowClass;
+
+		// register window class
+		User32.INSTANCE.RegisterClassEx(wClass);
+		getLastError();
+
+		// create new window
+		HWND hWnd = User32.INSTANCE
+				.CreateWindowEx(
+						User32.WS_EX_TOPMOST,
+						windowClass,
+						"My hidden helper window, used only to catch the windows events",
+						0, 0, 0, 0, 0, WinUser.HWND_MESSAGE, null, hInst, null);
+
+		getLastError();
+		System.out.println("window sucessfully created! window hwnd: "
+				+ hWnd.getPointer().toString());
+
+		Wtsapi32.INSTANCE.WTSRegisterSessionNotification(hWnd,
+				Wtsapi32.NOTIFY_FOR_THIS_SESSION);
+
+		/* this filters for all device classes */
+		// DEV_BROADCAST_HDR notificationFilter = new DEV_BROADCAST_HDR();
+		// notificationFilter.dbch_devicetype = DBT.DBT_DEVTYP_DEVICEINTERFACE;
+
+		/* this filters for all usb device classes */
+		DEV_BROADCAST_DEVICEINTERFACE notificationFilter = new DEV_BROADCAST_DEVICEINTERFACE();
+		notificationFilter.dbcc_devicetype = DBT.DBT_DEVTYP_DEVICEINTERFACE;
+		notificationFilter.dbcc_classguid = DBT.GUID_DEVINTERFACE_USB_DEVICE;
+
+		/*
+		 * use User32.DEVICE_NOTIFY_ALL_INTERFACE_CLASSES instead of
+		 * DEVICE_NOTIFY_WINDOW_HANDLE to ignore the dbcc_classguid value
+		 */
+		HDEVNOTIFY hDevNotify = User32.INSTANCE.RegisterDeviceNotification(
+				hWnd, notificationFilter, User32.DEVICE_NOTIFY_WINDOW_HANDLE);
+
+		getLastError();
+		if (hDevNotify != null)
+			System.out.println("RegisterDeviceNotification was sucessfully!");
+
+		MSG msg = new MSG();
+		while (User32.INSTANCE.GetMessage(msg, hWnd, 0, 0) != 0) {
+			User32.INSTANCE.TranslateMessage(msg);
+			User32.INSTANCE.DispatchMessage(msg);
+		}
+
+		User32.INSTANCE.UnregisterDeviceNotification(hDevNotify);
+		Wtsapi32.INSTANCE.WTSUnRegisterSessionNotification(hWnd);
+		User32.INSTANCE.UnregisterClass(windowClass, hInst);
+		User32.INSTANCE.DestroyWindow(hWnd);
+
+		System.out.println("program exit!");
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * com.sun.jna.platform.win32.User32.WindowProc#callback(com.sun.jna.platform
+	 * .win32.WinDef.HWND, int, com.sun.jna.platform.win32.WinDef.WPARAM,
+	 * com.sun.jna.platform.win32.WinDef.LPARAM)
+	 */
+	public LRESULT callback(HWND hwnd, int uMsg, WPARAM wParam, LPARAM lParam) {
+		switch (uMsg) {
+		case WinUser.WM_CREATE: {
+			onCreate(wParam, lParam);
+			return new LRESULT(0);
+		}
+		case WinUser.WM_DESTROY: {
+			User32.INSTANCE.PostQuitMessage(0);
+			return new LRESULT(0);
+		}
+		case WinUser.WM_SESSION_CHANGE: {
+			this.onSessionChange(wParam, lParam);
+			return new LRESULT(0);
+		}
+		case WinUser.WM_DEVICECHANGE: {
+			this.onDeviceChange(wParam, lParam);
+			return new LRESULT(0);
+		}
+		default:
+			return User32.INSTANCE.DefWindowProc(hwnd, uMsg, wParam, lParam);
+		}
+	}
+
+	/**
+	 * Gets the last error.
+	 * 
+	 * @return the last error
+	 */
+	public int getLastError() {
+		int rc = Kernel32.INSTANCE.GetLastError();
+
+		if (rc != 0)
+			System.out.println("error: " + rc);
+
+		return rc;
+	}
+
+	/**
+	 * On session change.
+	 * 
+	 * @param wParam
+	 *            the w param
+	 * @param lParam
+	 *            the l param
+	 */
+	protected void onSessionChange(WPARAM wParam, LPARAM lParam) {
+		switch (wParam.intValue()) {
+		case Wtsapi32.WTS_CONSOLE_CONNECT: {
+			this.onConsoleConnect(lParam.intValue());
+			break;
+		}
+		case Wtsapi32.WTS_CONSOLE_DISCONNECT: {
+			this.onConsoleDisconnect(lParam.intValue());
+			break;
+		}
+		case Wtsapi32.WTS_SESSION_LOGON: {
+			this.onMachineLogon(lParam.intValue());
+			break;
+		}
+		case Wtsapi32.WTS_SESSION_LOGOFF: {
+			this.onMachineLogoff(lParam.intValue());
+			break;
+		}
+		case Wtsapi32.WTS_SESSION_LOCK: {
+			this.onMachineLocked(lParam.intValue());
+			break;
+		}
+		case Wtsapi32.WTS_SESSION_UNLOCK: {
+			this.onMachineUnlocked(lParam.intValue());
+			break;
+		}
+		}
+	}
+
+	/**
+	 * On console connect.
+	 * 
+	 * @param sessionId
+	 *            the session id
+	 */
+	protected void onConsoleConnect(int sessionId) {
+		System.out.println("onConsoleConnect: " + sessionId);
+	}
+
+	/**
+	 * On console disconnect.
+	 * 
+	 * @param sessionId
+	 *            the session id
+	 */
+	protected void onConsoleDisconnect(int sessionId) {
+		System.out.println("onConsoleDisconnect: " + sessionId);
+	}
+
+	/**
+	 * On machine locked.
+	 * 
+	 * @param sessionId
+	 *            the session id
+	 */
+	protected void onMachineLocked(int sessionId) {
+		System.out.println("onMachineLocked: " + sessionId);
+	}
+
+	/**
+	 * On machine unlocked.
+	 * 
+	 * @param sessionId
+	 *            the session id
+	 */
+	protected void onMachineUnlocked(int sessionId) {
+		System.out.println("onMachineUnlocked: " + sessionId);
+	}
+
+	/**
+	 * On machine logon.
+	 * 
+	 * @param sessionId
+	 *            the session id
+	 */
+	protected void onMachineLogon(int sessionId) {
+		System.out.println("onMachineLogon: " + sessionId);
+	}
+
+	/**
+	 * On machine logoff.
+	 * 
+	 * @param sessionId
+	 *            the session id
+	 */
+	protected void onMachineLogoff(int sessionId) {
+		System.out.println("onMachineLogoff: " + sessionId);
+	}
+
+	/**
+	 * On device change.
+	 * 
+	 * @param wParam
+	 *            the w param
+	 * @param lParam
+	 *            the l param
+	 */
+	protected void onDeviceChange(WPARAM wParam, LPARAM lParam) {
+		//
+		// This is the actual message from the interface via Windows messaging.
+		// This code includes some additional decoding for this particular
+		// device type
+		// and some common validation checks.
+		//
+		// Note that not all devices utilize these optional parameters in the
+		// same
+		// way. Refer to the extended information for your particular device
+		// type
+		// specified by your GUID.
+		//
+		DEV_BROADCAST_DEVICEINTERFACE bdif = new DEV_BROADCAST_DEVICEINTERFACE(
+				lParam.longValue());
+		System.out.println("dbcc_devicetype: " + bdif.dbcc_devicetype);
+		System.out.println("dbcc_name: " + bdif.getDbcc_name());
+		System.out.println("dbcc_classguid: "
+				+ bdif.dbcc_classguid.toGuidString());
+
+		// Output some messages to the window.
+		switch (wParam.intValue()) {
+		case DBT.DBT_DEVICEARRIVAL:
+			System.out.println("Message DBT_DEVICEARRIVAL");
+			break;
+		case DBT.DBT_DEVICEREMOVECOMPLETE:
+			System.out.println("Message DBT_DEVICEREMOVECOMPLETE");
+			break;
+		case DBT.DBT_DEVNODES_CHANGED:
+			System.out.println("Message DBT_DEVNODES_CHANGED");
+			break;
+		default:
+			System.out
+					.println("Message WM_DEVICECHANGE message received, value unhandled.");
+		}
+	}
+
+	/**
+	 * On create.
+	 * 
+	 * @param wParam
+	 *            the w param
+	 * @param lParam
+	 *            the l param
+	 */
+	protected void onCreate(WPARAM wParam, LPARAM lParam) {
+		System.out.println("onCreate: WM_CREATE");
+	}
+
+	/**
+	 * The main method.
+	 * 
+	 * @param args
+	 *            the arguments
+	 */
+	public static void main(String[] args) {
+		new Win32WindowDemo();
+	}
+}