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//********************************************************************************* |
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// |
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//Title: SeamlessRDP Shell |
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// |
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//Author: Martin Wickett |
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// |
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//Date: 2004 |
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// |
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//********************************************************************************* |
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|
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#include <windows.h> |
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|
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#include "resource.h" |
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#include "hookdll/hook.h" |
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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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// |
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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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{ |
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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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{ |
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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, LPARAM lParam ) |
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{ |
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if (uMsg == WM_COMMAND) |
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{ |
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WORD wID = LOWORD(wParam); |
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if (wID == IDOK) 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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{ |
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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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{ |
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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,TPM_RETURNCMD|TPM_LEFTALIGN|TPM_RIGHTBUTTON, |
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pt.x,pt.y,0,ghWnd,NULL); |
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DeleteObject(hMenu); |
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|
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switch (cmd) |
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{ |
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case ID_WMEXIT : |
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{ |
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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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{ |
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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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{ |
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case WM_DESTROY : |
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{ |
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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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{ |
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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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{ |
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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 | WS_CLIPCHILDREN, |
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CW_USEDEFAULT, |
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CW_USEDEFAULT, |
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640, |
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480, |
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NULL, |
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NULL, |
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hAppInstance, |
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NULL); |
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|
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// make sure window was created |
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if (!ghWnd) |
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{ |
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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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// init |
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// |
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bool Init(LPSTR lpCmdLine) |
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{ |
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// try to load WTSWinClipper.dll |
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if (!WTSWinClipper::Init()) |
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{ |
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Message("Application not installed correctly: Unable to init hookdll.dll."); |
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return false; |
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} |
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|
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// check number of instances |
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if (WTSWinClipper::GetInstanceCount() == 1) |
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{ |
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// hook in |
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WTSWinClipper::SetCbtHook(); |
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return true; |
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} else |
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{ |
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// already hooked |
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return false; |
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} |
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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, LPSTR lpCmdLine, int nCmdShow) |
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{ |
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hAppInstance = hInstance; |
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if (!Init(lpCmdLine)) |
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{ |
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return 0; |
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} |
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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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{ |
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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 ,sizeof( MINIMIZEDMETRICS),&mmm,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 = {0}; |
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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 = CreateProcess( NULL,process,NULL, NULL, FALSE, 0, NULL, NULL, &startupInfo, &procInfo); |
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|
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if (m_create != false) |
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{ |
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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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{ |
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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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} |
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else |
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{ |
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// CreateProcess failed. |
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Message("Unable to launch the requested application"); |
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} |
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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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{ |
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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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WTSWinClipper::RemoveCbtHook(); |
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|
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WTSWinClipper::Done(); |
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|
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return 1; |
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} |
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