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// |
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// Copyright (C) 2004-2005 Martin Wickett |
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// |
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|
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#include <windows.h> |
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#include <stdio.h> |
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|
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#include "resource.h" |
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|
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#define snprintf _snprintf |
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|
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// |
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// some global data |
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// |
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HWND ghWnd; |
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NOTIFYICONDATA nid; |
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HINSTANCE hAppInstance; |
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|
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static const UINT WM_TRAY_NOTIFY = ( WM_APP + 1000 ); |
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static const char szAppName[] = "SeamlessRDP Shell"; |
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|
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typedef void ( *SetHooksProc ) (); |
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typedef void ( *RemoveHooksProc ) (); |
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typedef int ( *GetInstanceCountProc ) (); |
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|
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// |
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// spawn a message box |
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// |
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void Message( const char *message ) |
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{ |
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MessageBox( GetDesktopWindow(), message, "SeamlessRDP Shell", MB_OK ); |
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} |
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|
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// |
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// manage the tray icon |
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// |
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bool InitTrayIcon() |
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{ |
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nid.cbSize = sizeof( NOTIFYICONDATA ); |
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nid.hWnd = ghWnd; |
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nid.uID = 0; |
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nid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP; |
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nid.uCallbackMessage = WM_TRAY_NOTIFY; |
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strcpy( nid.szTip, szAppName ); |
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nid.hIcon = ::LoadIcon( hAppInstance, MAKEINTRESOURCE( IDI_TRAY ) ); |
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|
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if ( Shell_NotifyIcon( NIM_ADD, &nid ) != TRUE ) { |
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Message( "Unable to create tray icon." ); |
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return false; |
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} |
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|
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return true; |
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} |
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|
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// |
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// Remove tray icon |
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// |
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bool RemoveTrayIcon() |
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{ |
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if ( Shell_NotifyIcon( NIM_DELETE, &nid ) != TRUE ) { |
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Message( "Unable to remove tray icon." ); |
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return false; |
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} |
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|
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return true; |
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|
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} |
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|
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// |
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// manage the about dialog box |
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// |
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BOOL CALLBACK DialogProc( HWND hwndDlg, UINT uMsg, WPARAM wParam, |
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LPARAM lParam ) |
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{ |
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if ( uMsg == WM_COMMAND ) { |
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WORD wID = LOWORD( wParam ); |
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if ( wID == IDOK ) |
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DestroyWindow( hwndDlg ); |
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} |
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|
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return 0; |
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} |
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|
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void AboutDlg() |
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{ |
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DialogBox( hAppInstance, MAKEINTRESOURCE( IDD_ABOUT ), NULL, DialogProc ); |
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} |
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|
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// |
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// manage the context menu |
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// |
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void DoContextMenu() |
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{ |
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HMENU hMenu = LoadMenu( hAppInstance, MAKEINTRESOURCE( IDR_TRAY ) ); |
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if ( hMenu == NULL ) { |
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Message( "Unable to load menu ressource." ); |
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return ; |
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} |
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|
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HMENU hSubMenu = GetSubMenu( hMenu, 0 ); |
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if ( hSubMenu == NULL ) { |
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Message( "Unable to find popup mennu." ); |
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return ; |
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} |
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|
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// get the cursor position |
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POINT pt; |
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GetCursorPos( &pt ); |
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|
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SetForegroundWindow( ghWnd ); |
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int cmd = TrackPopupMenu( hSubMenu, |
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TPM_RETURNCMD | TPM_LEFTALIGN | TPM_RIGHTBUTTON, |
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pt.x, pt.y, 0, ghWnd, NULL ); |
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DestroyMenu( hMenu ); |
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|
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switch ( cmd ) { |
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case ID_WMEXIT: { |
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PostQuitMessage( 0 ); |
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break; |
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} |
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case ID_WMABOUT: { |
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AboutDlg(); |
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break; |
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} |
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} |
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} |
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|
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// |
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// manage the main window |
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// |
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LONG WINAPI MainWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) |
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{ |
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switch ( uMsg ) { |
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case WM_DESTROY: { |
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PostQuitMessage( 0 ); |
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return 0; |
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} |
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case WM_TRAY_NOTIFY: { |
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if ( lParam == WM_RBUTTONDOWN ) |
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DoContextMenu(); |
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return 0; |
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} |
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} |
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|
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return DefWindowProc( hWnd, uMsg, wParam, lParam ); |
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} |
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|
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// |
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//Init window |
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// |
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bool InitWindow() |
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{ |
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// register the frame class |
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WNDCLASS wndclass; |
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wndclass.style = 0; |
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wndclass.lpfnWndProc = ( WNDPROC ) MainWndProc; |
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wndclass.cbClsExtra = 0; |
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wndclass.cbWndExtra = 0; |
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wndclass.hInstance = hAppInstance; |
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wndclass.hIcon = 0; |
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wndclass.hCursor = LoadCursor( NULL, IDC_ARROW ); |
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wndclass.hbrBackground = ( HBRUSH ) ( COLOR_WINDOW + 1 ); |
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wndclass.lpszMenuName = NULL; |
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wndclass.lpszClassName = szAppName; |
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|
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if ( !RegisterClass( &wndclass ) ) { |
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Message( "Unable to register the window class." ); |
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return false; |
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} |
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|
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// create the frame |
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ghWnd = CreateWindow( szAppName, szAppName, |
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WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | |
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WS_CLIPCHILDREN, CW_USEDEFAULT, CW_USEDEFAULT, 640, |
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480, NULL, NULL, hAppInstance, NULL ); |
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|
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// make sure window was created |
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if ( !ghWnd ) { |
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Message( "Unable to create the window." ); |
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return false; |
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} |
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|
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return true; |
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} |
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|
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// |
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// our main loop |
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// |
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int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, |
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LPSTR lpCmdLine, int nCmdShow ) |
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{ |
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HMODULE hHookDLL; |
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GetInstanceCountProc pfnInstanceCount; |
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SetHooksProc pfnSetHooks; |
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RemoveHooksProc pfnRemoveHooks; |
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|
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hAppInstance = hInstance; |
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|
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hHookDLL = LoadLibrary( "hookdll.dll" ); |
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if ( !hHookDLL ) { |
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Message( "Could not load hook DLL. Unable to continue." ); |
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return -1; |
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} |
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|
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pfnInstanceCount = (GetInstanceCountProc) GetProcAddress( hHookDLL, "GetInstanceCount" ); |
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pfnSetHooks = (SetHooksProc) GetProcAddress( hHookDLL, "SetHooks" ); |
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pfnRemoveHooks = (RemoveHooksProc) GetProcAddress( hHookDLL, "RemoveHooks" ); |
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|
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if ( !pfnInstanceCount || !pfnSetHooks || !pfnRemoveHooks ) { |
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FreeLibrary( hHookDLL ); |
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Message( "Hook DLL doesn't contain the correct functions. Unable to continue." ); |
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return -1; |
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} |
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|
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/* Check if the DLL is already loaded */ |
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if ( pfnInstanceCount() != 1 ) { |
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FreeLibrary( hHookDLL ); |
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Message( "Another running instance of Seamless RDP detected." ); |
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return -1; |
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} |
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|
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pfnSetHooks(); |
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|
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// if we have been specified an app to launch, we will wait until the app has closed and use that for |
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// our cue to exit |
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if ( strlen( lpCmdLine ) > 0 ) { |
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// Because we do not have a explorer.exe we need to make this application the replacement |
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// shell. We do this by calling SystemParametersInfo. If we don't do this, we won't get the WH_SHELL notifications. |
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|
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// From MSDN: |
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// Note that custom shell applications do not receive WH_SHELL messages. Therefore, any application that |
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// registers itself as the default shell must call the SystemParametersInfo function with SPI_SETMINIMIZEDMETRICS |
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// before it (or any other application) can receive WH_SHELL messages. |
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|
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MINIMIZEDMETRICS mmm; |
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mmm.cbSize = sizeof( MINIMIZEDMETRICS ); |
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SystemParametersInfo( SPI_SETMINIMIZEDMETRICS, |
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sizeof( MINIMIZEDMETRICS ), &mmm, 0 ); |
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|
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// We require DragFullWindows |
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SystemParametersInfo( SPI_SETDRAGFULLWINDOWS, TRUE, NULL, 0 ); |
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|
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//set the current directory to that of the requested app .exe location |
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//tokenise lpCmdLine. first is the exe path. second (if exists) is the current directory to set. |
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//SetCurrentDirectory (); |
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|
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//start process specified from command line arg. |
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PROCESS_INFORMATION procInfo; |
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STARTUPINFO startupInfo = { |
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0 |
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}; |
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startupInfo.cb = sizeof( STARTUPINFO ); |
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char attr[] = ""; |
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LPTSTR process = lpCmdLine; |
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DWORD dwExitCode; |
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|
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BOOL m_create = |
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CreateProcess( NULL, process, NULL, NULL, FALSE, 0, NULL, NULL, |
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&startupInfo, &procInfo ); |
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|
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if ( m_create != false ) { |
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// A loop to watch the process. |
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GetExitCodeProcess( procInfo.hProcess, &dwExitCode ); |
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|
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while ( dwExitCode == STILL_ACTIVE ) { |
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GetExitCodeProcess( procInfo.hProcess, &dwExitCode ); |
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Sleep( 1000 ); |
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} |
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|
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// Release handles |
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CloseHandle( procInfo.hProcess ); |
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CloseHandle( procInfo.hThread ); |
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} else { |
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// CreateProcess failed. |
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char msg[ 256 ]; |
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snprintf( msg, sizeof( msg ), "Unable to launch the requested application:\n%s", process ); |
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Message( msg ); |
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} |
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} else |
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// we are launching without an app, therefore we will show the system tray app and wait for the user to close it |
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{ |
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// create a dummy window to receive WM_QUIT message |
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InitWindow(); |
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|
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// create the tray icon |
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InitTrayIcon(); |
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|
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// just get and dispatch messages until we're killed |
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MSG msg; |
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while ( GetMessage( &msg, 0, 0, 0 ) ) { |
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TranslateMessage( &msg ); |
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DispatchMessage( &msg ); |
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}; |
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|
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// remove our tray icon |
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RemoveTrayIcon(); |
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} |
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|
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|
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// remove hook before saying goodbye |
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pfnRemoveHooks(); |
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|
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FreeLibrary( hHookDLL ); |
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|
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return 1; |
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} |
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