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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2014-12-27 00:08:13 +0100 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2014-12-27 13:39:16 +0100 |
| commit | c92d51e0405085208c2166780e822a0d113b2ed7 (patch) | |
| tree | 2bd8103552c2fcb2132a3dc795b0704400ddfd19 | |
| parent | 258ba629a2dc1af61b2fade1e040830080ffcc57 (diff) | |
| download | VeraCrypt-c92d51e0405085208c2166780e822a0d113b2ed7.tar.gz VeraCrypt-c92d51e0405085208c2166780e822a0d113b2ed7.zip | |
Windows: make the wait dialog mechanism more generic in order to reuse it more widely across VeraCrypt.
| -rw-r--r-- | src/Common/Dlgcode.c | 90 | ||||
| -rw-r--r-- | src/Common/Dlgcode.h | 4 |
2 files changed, 65 insertions, 29 deletions
diff --git a/src/Common/Dlgcode.c b/src/Common/Dlgcode.c index 844cda9b..21998368 100644 --- a/src/Common/Dlgcode.c +++ b/src/Common/Dlgcode.c @@ -6135,29 +6135,29 @@ void BroadcastDeviceChange (WPARAM message, int nDosDriveNo, DWORD driveMap) }
/************************************************************/
+
+// implementation of the generic wait dialog mechanism
+
+static UINT g_wmWaitDlg = ::RegisterWindowMessage("VeraCryptWaitDlgMessage");
+
typedef struct
{
HWND hwnd;
- MOUNT_STRUCT* pmount;
- BOOL* pbResult;
- DWORD* pdwResult;
-} MountThreadParam;
+ void* pArg;
+ WaitThreadProc callback;
+} WaitThreadParam;
-static UINT g_wmMountWaitDlg = ::RegisterWindowMessage("VeraCryptMountWaitDlgMessage");
-
-static DWORD WINAPI DeviceIoControlThread (void* pParam)
+static void _cdecl WaitThread (void* pParam)
{
- MountThreadParam* pThreadParam = (MountThreadParam*) pParam;
+ WaitThreadParam* pThreadParam = (WaitThreadParam*) pParam;
- *(pThreadParam->pbResult) = DeviceIoControl (hDriver, TC_IOCTL_MOUNT_VOLUME, pThreadParam->pmount,
- sizeof (MOUNT_STRUCT),pThreadParam->pmount, sizeof (MOUNT_STRUCT), pThreadParam->pdwResult, NULL);
+ pThreadParam->callback(pThreadParam->pArg, pThreadParam->hwnd);
/* close the wait dialog */
- PostMessage (pThreadParam->hwnd, g_wmMountWaitDlg, 0, 0);
- return 0;
+ PostMessage (pThreadParam->hwnd, g_wmWaitDlg, 0, 0);
}
-static BOOL CALLBACK MountWaitDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
+BOOL CALLBACK WaitDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
WORD lw = LOWORD (wParam);
@@ -6165,8 +6165,7 @@ static BOOL CALLBACK MountWaitDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LP {
case WM_INITDIALOG:
{
- MountThreadParam* thParam = (MountThreadParam*) lParam;
- HANDLE hThread = NULL;
+ WaitThreadParam* thParam = (WaitThreadParam*) lParam;
// set the progress bar type to MARQUEE (indefinite progress)
HWND hProgress = GetDlgItem (hwndDlg, IDC_WAIT_PROGRESS_BAR);
@@ -6194,8 +6193,7 @@ static BOOL CALLBACK MountWaitDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LP }
LocalizeDialog (hwndDlg, NULL);
- hThread = CreateThread(NULL, 0, DeviceIoControlThread, (void*) thParam, 0, NULL);
- SetWindowLongPtr(hwndDlg, GWL_USERDATA, (LONG_PTR) hThread);
+ _beginthread(WaitThread, 0, thParam);
return 0;
}
@@ -6205,10 +6203,8 @@ static BOOL CALLBACK MountWaitDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LP return 1;
default:
- if (msg == g_wmMountWaitDlg)
+ if (msg == g_wmWaitDlg)
{
- HANDLE hThread = (HANDLE) GetWindowLongPtrA(hwndDlg, GWL_USERDATA);
- CloseHandle(hThread);
EndDialog (hwndDlg, IDOK);
return 1;
}
@@ -6216,6 +6212,45 @@ static BOOL CALLBACK MountWaitDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LP }
}
+void ShowWaitDialog(HWND hwnd, BOOL bUseHwndAsParent, WaitThreadProc callback, void* pArg)
+{
+ HWND hParent = (hwnd && bUseHwndAsParent)? hwnd : GetDesktopWindow();
+ WaitThreadParam threadParam;
+ threadParam.callback = callback;
+ threadParam.pArg = pArg;
+
+ DialogBoxParamW (hInst,
+ MAKEINTRESOURCEW (IDD_STATIC_MODAL_WAIT_DLG), hParent,
+ (DLGPROC) WaitDlgProc, (LPARAM) &threadParam);
+
+ if (hwnd && IsWindowVisible(hwnd) && !bUseHwndAsParent)
+ {
+ SetForegroundWindow(hwnd);
+ BringWindowToTop(hwnd);
+ }
+}
+
+/************************************************************************/
+
+// specific definitions and implementation for support of mount operation
+// in wait dialog mechanism
+
+typedef struct
+{
+ MOUNT_STRUCT* pmount;
+ BOOL* pbResult;
+ DWORD* pdwResult;
+} MountThreadParam;
+
+void CALLBACK MountWaitThreadProc(void* pArg, HWND )
+{
+ MountThreadParam* pThreadParam = (MountThreadParam*) pArg;
+
+ *(pThreadParam->pbResult) = DeviceIoControl (hDriver, TC_IOCTL_MOUNT_VOLUME, pThreadParam->pmount,
+ sizeof (MOUNT_STRUCT),pThreadParam->pmount, sizeof (MOUNT_STRUCT), pThreadParam->pdwResult, NULL);
+}
+
+/************************************************************************/
// Use only cached passwords if password = NULL
//
@@ -6364,15 +6399,12 @@ retry: if (!quiet)
{
- MountThreadParam threadParam;
- threadParam.hwnd = hwndDlg;
- threadParam.pmount = &mount;
- threadParam.pbResult = &bResult;
- threadParam.pdwResult = &dwResult;
-
- DialogBoxParamW (hInst,
- MAKEINTRESOURCEW (IDD_STATIC_MODAL_WAIT_DLG), GetDesktopWindow(),
- (DLGPROC) MountWaitDlgProc, (LPARAM) &threadParam);
+ MountThreadParam mountThreadParam;
+ mountThreadParam.pmount = &mount;
+ mountThreadParam.pbResult = &bResult;
+ mountThreadParam.pdwResult = &dwResult;
+
+ ShowWaitDialog (hwndDlg, FALSE, MountWaitThreadProc, &mountThreadParam);
}
else
{
diff --git a/src/Common/Dlgcode.h b/src/Common/Dlgcode.h index 3781fd54..b3ec7501 100644 --- a/src/Common/Dlgcode.h +++ b/src/Common/Dlgcode.h @@ -528,6 +528,10 @@ std::string HarddiskVolumePathToPartitionPath (const std::string &harddiskVolume std::string FindLatestFileOrDirectory (const std::string &directory, const char *namePattern, bool findDirectory, bool findFile);
std::string GetUserFriendlyVersionString (int version);
+// Display a wait dialog while calling the provided callback with the given parameter
+typedef void (CALLBACK* WaitThreadProc)(void* pArg, HWND hWaitDlg);
+void ShowWaitDialog(HWND hwnd, BOOL bUseHwndAsParent, WaitThreadProc callback, void* pArg);
+
#endif // __cplusplus
#endif // TC_HEADER_DLGCODE
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