| 1 |
//********************************************************************************* |
| 2 |
// |
| 3 |
//Title: SeamlessRDP Shell |
| 4 |
// |
| 5 |
//Author: Martin Wickett |
| 6 |
// |
| 7 |
//Date: 2004 |
| 8 |
// |
| 9 |
//********************************************************************************* |
| 10 |
|
| 11 |
#include <windows.h> |
| 12 |
|
| 13 |
#include "resource.h" |
| 14 |
#include "hookdll/hook.h" |
| 15 |
|
| 16 |
// |
| 17 |
// some global data |
| 18 |
// |
| 19 |
HWND ghWnd; |
| 20 |
NOTIFYICONDATA nid; |
| 21 |
HINSTANCE hAppInstance; |
| 22 |
|
| 23 |
static const UINT WM_TRAY_NOTIFY = (WM_APP + 1000); |
| 24 |
static const char szAppName[] = "SeamlessRDP Shell"; |
| 25 |
|
| 26 |
// |
| 27 |
// spawn a message box |
| 28 |
// |
| 29 |
void Message(const char *message) |
| 30 |
{ |
| 31 |
MessageBox(GetDesktopWindow(), message, "SeamlessRDP Shell", MB_OK); |
| 32 |
} |
| 33 |
|
| 34 |
// |
| 35 |
// manage the tray icon |
| 36 |
// |
| 37 |
bool InitTrayIcon() |
| 38 |
{ |
| 39 |
nid.cbSize = sizeof(NOTIFYICONDATA); |
| 40 |
nid.hWnd = ghWnd; |
| 41 |
nid.uID = 0; |
| 42 |
nid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP; |
| 43 |
nid.uCallbackMessage = WM_TRAY_NOTIFY; |
| 44 |
strcpy(nid.szTip, szAppName); |
| 45 |
nid.hIcon =::LoadIcon(hAppInstance, MAKEINTRESOURCE(IDI_TRAY)); |
| 46 |
|
| 47 |
if (Shell_NotifyIcon(NIM_ADD, &nid) != TRUE) { |
| 48 |
Message("Unable to create tray icon."); |
| 49 |
return false; |
| 50 |
} |
| 51 |
|
| 52 |
return true; |
| 53 |
} |
| 54 |
|
| 55 |
// |
| 56 |
// Remove tray icon |
| 57 |
// |
| 58 |
bool RemoveTrayIcon() |
| 59 |
{ |
| 60 |
if (Shell_NotifyIcon(NIM_DELETE, &nid) != TRUE) { |
| 61 |
Message("Unable to remove tray icon."); |
| 62 |
return false; |
| 63 |
} |
| 64 |
|
| 65 |
return true; |
| 66 |
|
| 67 |
} |
| 68 |
|
| 69 |
// |
| 70 |
// manage the about dialog box |
| 71 |
// |
| 72 |
BOOL CALLBACK DialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, |
| 73 |
LPARAM lParam) |
| 74 |
{ |
| 75 |
if (uMsg == WM_COMMAND) { |
| 76 |
WORD wID = LOWORD(wParam); |
| 77 |
if (wID == IDOK) |
| 78 |
DestroyWindow(hwndDlg); |
| 79 |
} |
| 80 |
|
| 81 |
return 0; |
| 82 |
} |
| 83 |
|
| 84 |
void AboutDlg() |
| 85 |
{ |
| 86 |
DialogBox(hAppInstance, MAKEINTRESOURCE(IDD_ABOUT), NULL, DialogProc); |
| 87 |
} |
| 88 |
|
| 89 |
// |
| 90 |
// manage the context menu |
| 91 |
// |
| 92 |
void DoContextMenu() |
| 93 |
{ |
| 94 |
HMENU hMenu = LoadMenu(hAppInstance, MAKEINTRESOURCE(IDR_TRAY)); |
| 95 |
if (hMenu == NULL) { |
| 96 |
Message("Unable to load menu ressource."); |
| 97 |
return; |
| 98 |
} |
| 99 |
|
| 100 |
HMENU hSubMenu = GetSubMenu(hMenu, 0); |
| 101 |
if (hSubMenu == NULL) { |
| 102 |
Message("Unable to find popup mennu."); |
| 103 |
return; |
| 104 |
} |
| 105 |
|
| 106 |
// get the cursor position |
| 107 |
POINT pt; |
| 108 |
GetCursorPos(&pt); |
| 109 |
|
| 110 |
SetForegroundWindow(ghWnd); |
| 111 |
int cmd = TrackPopupMenu(hSubMenu, |
| 112 |
TPM_RETURNCMD | TPM_LEFTALIGN | TPM_RIGHTBUTTON, |
| 113 |
pt.x, pt.y, 0, ghWnd, NULL); |
| 114 |
DeleteObject(hMenu); |
| 115 |
|
| 116 |
switch (cmd) { |
| 117 |
case ID_WMEXIT: |
| 118 |
{ |
| 119 |
PostQuitMessage(0); |
| 120 |
break; |
| 121 |
} |
| 122 |
case ID_WMABOUT: |
| 123 |
{ |
| 124 |
AboutDlg(); |
| 125 |
break; |
| 126 |
} |
| 127 |
} |
| 128 |
} |
| 129 |
|
| 130 |
// |
| 131 |
// manage the main window |
| 132 |
// |
| 133 |
LONG WINAPI MainWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) |
| 134 |
{ |
| 135 |
switch (uMsg) { |
| 136 |
case WM_DESTROY: |
| 137 |
{ |
| 138 |
PostQuitMessage(0); |
| 139 |
return 0; |
| 140 |
} |
| 141 |
case WM_TRAY_NOTIFY: |
| 142 |
{ |
| 143 |
if (lParam == WM_RBUTTONDOWN) |
| 144 |
DoContextMenu(); |
| 145 |
return 0; |
| 146 |
} |
| 147 |
} |
| 148 |
|
| 149 |
return DefWindowProc(hWnd, uMsg, wParam, lParam); |
| 150 |
} |
| 151 |
|
| 152 |
// |
| 153 |
//Init window |
| 154 |
// |
| 155 |
bool InitWindow() |
| 156 |
{ |
| 157 |
// register the frame class |
| 158 |
WNDCLASS wndclass; |
| 159 |
wndclass.style = 0; |
| 160 |
wndclass.lpfnWndProc = (WNDPROC) MainWndProc; |
| 161 |
wndclass.cbClsExtra = 0; |
| 162 |
wndclass.cbWndExtra = 0; |
| 163 |
wndclass.hInstance = hAppInstance; |
| 164 |
wndclass.hIcon = 0; |
| 165 |
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW); |
| 166 |
wndclass.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1); |
| 167 |
wndclass.lpszMenuName = NULL; |
| 168 |
wndclass.lpszClassName = szAppName; |
| 169 |
|
| 170 |
if (!RegisterClass(&wndclass)) { |
| 171 |
Message("Unable to register the window class."); |
| 172 |
return false; |
| 173 |
} |
| 174 |
|
| 175 |
// create the frame |
| 176 |
ghWnd = CreateWindow(szAppName, szAppName, |
| 177 |
WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | |
| 178 |
WS_CLIPCHILDREN, CW_USEDEFAULT, CW_USEDEFAULT, 640, |
| 179 |
480, NULL, NULL, hAppInstance, NULL); |
| 180 |
|
| 181 |
// make sure window was created |
| 182 |
if (!ghWnd) { |
| 183 |
Message("Unable to create the window."); |
| 184 |
return false; |
| 185 |
} |
| 186 |
|
| 187 |
return true; |
| 188 |
} |
| 189 |
|
| 190 |
// |
| 191 |
// init |
| 192 |
// |
| 193 |
bool Init(LPSTR lpCmdLine) |
| 194 |
{ |
| 195 |
// try to load WTSWinClipper.dll |
| 196 |
if (!WTSWinClipper::Init()) { |
| 197 |
Message |
| 198 |
("Application not installed correctly: Unable to init hookdll.dll."); |
| 199 |
return false; |
| 200 |
} |
| 201 |
|
| 202 |
// check number of instances |
| 203 |
if (WTSWinClipper::GetInstanceCount() == 1) { |
| 204 |
// hook in |
| 205 |
WTSWinClipper::SetCbtHook(); |
| 206 |
return true; |
| 207 |
} |
| 208 |
else { |
| 209 |
// already hooked |
| 210 |
return false; |
| 211 |
} |
| 212 |
} |
| 213 |
|
| 214 |
// |
| 215 |
// our main loop |
| 216 |
// |
| 217 |
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, |
| 218 |
LPSTR lpCmdLine, int nCmdShow) |
| 219 |
{ |
| 220 |
hAppInstance = hInstance; |
| 221 |
if (!Init(lpCmdLine)) { |
| 222 |
return 0; |
| 223 |
} |
| 224 |
|
| 225 |
// if we have been specified an app to launch, we will wait until the app has closed and use that for |
| 226 |
// our cue to exit |
| 227 |
if (strlen(lpCmdLine) > 0) { |
| 228 |
// Because we do not have a explorer.exe we need to make this application the replacement |
| 229 |
// shell. We do this by calling SystemParametersInfo. If we don't do this, we won't get the WH_SHELL notifications. |
| 230 |
|
| 231 |
// From MSDN: |
| 232 |
// Note that custom shell applications do not receive WH_SHELL messages. Therefore, any application that |
| 233 |
// registers itself as the default shell must call the SystemParametersInfo function with SPI_SETMINIMIZEDMETRICS |
| 234 |
// before it (or any other application) can receive WH_SHELL messages. |
| 235 |
|
| 236 |
MINIMIZEDMETRICS mmm; |
| 237 |
mmm.cbSize = sizeof(MINIMIZEDMETRICS); |
| 238 |
SystemParametersInfo(SPI_SETMINIMIZEDMETRICS, |
| 239 |
sizeof(MINIMIZEDMETRICS), &mmm, 0); |
| 240 |
|
| 241 |
//set the current directory to that of the requested app .exe location |
| 242 |
//tokenise lpCmdLine. first is the exe path. second (if exists) is the current directory to set. |
| 243 |
//SetCurrentDirectory (); |
| 244 |
|
| 245 |
//start process specified from command line arg. |
| 246 |
PROCESS_INFORMATION procInfo; |
| 247 |
STARTUPINFO startupInfo = { 0 }; |
| 248 |
startupInfo.cb = sizeof(STARTUPINFO); |
| 249 |
char attr[] = ""; |
| 250 |
LPTSTR process = lpCmdLine; |
| 251 |
DWORD dwExitCode; |
| 252 |
|
| 253 |
BOOL m_create = |
| 254 |
CreateProcess(NULL, process, NULL, NULL, FALSE, 0, NULL, NULL, |
| 255 |
&startupInfo, &procInfo); |
| 256 |
|
| 257 |
if (m_create != false) { |
| 258 |
// A loop to watch the process. |
| 259 |
GetExitCodeProcess(procInfo.hProcess, &dwExitCode); |
| 260 |
|
| 261 |
while (dwExitCode == STILL_ACTIVE) { |
| 262 |
GetExitCodeProcess(procInfo.hProcess, &dwExitCode); |
| 263 |
Sleep(1000); |
| 264 |
} |
| 265 |
|
| 266 |
// Release handles |
| 267 |
CloseHandle(procInfo.hProcess); |
| 268 |
CloseHandle(procInfo.hThread); |
| 269 |
} |
| 270 |
else { |
| 271 |
// CreateProcess failed. |
| 272 |
Message("Unable to launch the requested application"); |
| 273 |
} |
| 274 |
} |
| 275 |
else |
| 276 |
// we are launching without an app, therefore we will show the system tray app and wait for the user to close it |
| 277 |
{ |
| 278 |
// create a dummy window to receive WM_QUIT message |
| 279 |
InitWindow(); |
| 280 |
|
| 281 |
// create the tray icon |
| 282 |
InitTrayIcon(); |
| 283 |
|
| 284 |
// just get and dispatch messages until we're killed |
| 285 |
MSG msg; |
| 286 |
while (GetMessage(&msg, 0, 0, 0)) { |
| 287 |
TranslateMessage(&msg); |
| 288 |
DispatchMessage(&msg); |
| 289 |
}; |
| 290 |
|
| 291 |
// remove our tray icon |
| 292 |
RemoveTrayIcon(); |
| 293 |
} |
| 294 |
|
| 295 |
|
| 296 |
// remove hook before saying goodbye |
| 297 |
WTSWinClipper::RemoveCbtHook(); |
| 298 |
|
| 299 |
WTSWinClipper::Done(); |
| 300 |
|
| 301 |
return 1; |
| 302 |
} |
Parent Directory
| 
Revision Log