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Windows: display a wait dialog during the lengthy opening of a volume. There is still a freeze in the GUI even though the call to DeviceIoControl is done in a separate thread which can't be explained. Maybe if we had an asynchronous Device Driver call, things would better.

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This commit is contained in:
Mounir IDRASSI 2014-12-14 18:02:56 +01:00
parent e935ec55dd
commit 6349162303
3 changed files with 101 additions and 3 deletions
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16
src/Common/Common.rc
View File

@ -307,6 +307,14 @@ BEGIN
LTEXT "Please wait. This process may take a long time...",IDT_STATIC_MODELESS_WAIT_DLG_INFO,9,8,274,9
END
IDD_STATIC_MODAL_WAIT_DLG DIALOGEX 0, 0, 292, 42
STYLE DS_SETFONT | DS_MODALFRAME | DS_SETFOREGROUND | DS_FIXEDSYS | DS_CENTER | WS_POPUP | WS_CAPTION
CAPTION "VeraCrypt"
FONT 8, "MS Shell Dlg", 0, 0, 0x0
BEGIN
CTEXT "Please wait. This process may take a long time...",IDT_STATIC_MODELESS_WAIT_DLG_INFO,9,11,274,9
END
/////////////////////////////////////////////////////////////////////////////
//
@ -439,6 +447,14 @@ BEGIN
TOPMARGIN, 7
BOTTOMMARGIN, 35
END
IDD_STATIC_MODAL_WAIT_DLG, DIALOG
BEGIN
LEFTMARGIN, 7
RIGHTMARGIN, 285
TOPMARGIN, 7
BOTTOMMARGIN, 35
END
END
#endif // APSTUDIO_INVOKED

85
src/Common/Dlgcode.c
View File

@ -6135,6 +6135,80 @@ void BroadcastDeviceChange (WPARAM message, int nDosDriveNo, DWORD driveMap)
IgnoreWmDeviceChange = FALSE;
}
/************************************************************/
typedef struct
{
HWND hwnd;
MOUNT_STRUCT* pmount;
BOOL* pbResult;
DWORD* pdwResult;
} MountThreadParam;
static UINT g_wmMountWaitDlg = ::RegisterWindowMessage("VeraCryptMountWaitDlgMessage");
static DWORD WINAPI DeviceIoControlThread (void* pParam)
{
MountThreadParam* pThreadParam = (MountThreadParam*) pParam;
*(pThreadParam->pbResult) = DeviceIoControl (hDriver, TC_IOCTL_MOUNT_VOLUME, pThreadParam->pmount,
sizeof (MOUNT_STRUCT),pThreadParam->pmount, sizeof (MOUNT_STRUCT), pThreadParam->pdwResult, NULL);
/* close the wait dialog */
PostMessage (pThreadParam->hwnd, g_wmMountWaitDlg, 0, 0);
return 0;
}
static BOOL CALLBACK MountWaitDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
WORD lw = LOWORD (wParam);
switch (msg)
{
case WM_INITDIALOG:
{
MountThreadParam* thParam = (MountThreadParam*) lParam;
HANDLE hThread = NULL;
thParam->hwnd = hwndDlg;
// For now, we don't have system menu is the resources but we leave this code
// if it is enabled in the future
HMENU hSysMenu = GetSystemMenu(hwndDlg, FALSE);
if (hSysMenu)
{
//disable the X
EnableMenuItem(hSysMenu,SC_CLOSE, MF_BYCOMMAND|MF_GRAYED);
// set icons
HICON hIcon = (HICON)::LoadImage(hInst, MAKEINTRESOURCE(IDI_TRUECRYPT_ICON), IMAGE_ICON, ::GetSystemMetrics(SM_CXICON), ::GetSystemMetrics(SM_CYICON), LR_DEFAULTCOLOR);
::SendMessage(hwndDlg, WM_SETICON, TRUE, (LPARAM)hIcon);
HICON hIconSmall = (HICON)::LoadImage(hInst, MAKEINTRESOURCE(IDI_TRUECRYPT_ICON), IMAGE_ICON, ::GetSystemMetrics(SM_CXSMICON), ::GetSystemMetrics(SM_CYSMICON), LR_DEFAULTCOLOR);
::SendMessage(hwndDlg, WM_SETICON, FALSE, (LPARAM)hIconSmall);
}
LocalizeDialog (hwndDlg, NULL);
hThread = CreateThread(NULL, 0, DeviceIoControlThread, (void*) thParam, 0, NULL);
SetWindowLongPtr(hwndDlg, GWL_USERDATA, (LONG_PTR) hThread);
return 0;
}
case WM_COMMAND:
if (lw == IDOK || lw == IDCANCEL)
return 1;
default:
if (msg == g_wmMountWaitDlg)
{
HANDLE hThread = (HANDLE) GetWindowLongPtrA(hwndDlg, GWL_USERDATA);
CloseHandle(hThread);
EndDialog (hwndDlg, IDOK);
return 1;
}
return 0;
}
}
// Use only cached passwords if password = NULL
//
@ -6278,8 +6352,15 @@ int MountVolume (HWND hwndDlg,
mount.bPartitionInInactiveSysEncScope = TRUE;
}
bResult = DeviceIoControl (hDriver, TC_IOCTL_MOUNT_VOLUME, &mount,
sizeof (mount), &mount, sizeof (mount), &dwResult, NULL);
MountThreadParam threadParam;
threadParam.hwnd = hwndDlg;
threadParam.pmount = &mount;
threadParam.pbResult = &bResult;
threadParam.pdwResult = &dwResult;
DialogBoxParamW (hInst,
MAKEINTRESOURCEW (IDD_STATIC_MODAL_WAIT_DLG), hwndDlg,
(DLGPROC) MountWaitDlgProc, (LPARAM) &threadParam);
burn (&mount.VolumePassword, sizeof (mount.VolumePassword));
burn (&mount.ProtectedHidVolPassword, sizeof (mount.ProtectedHidVolPassword));

3
src/Common/Resource.h
View File

@ -183,6 +183,7 @@
#define IDC_KEYFILES_SIZE 5121
#define IDC_KEYFILES_RANDOM_SIZE 5122
#define IDT_KEYFILES_SIZE 5123
#define IDD_STATIC_MODAL_WAIT_DLG 5124
// Next default values for new objects
//
@ -191,7 +192,7 @@
#define _APS_NO_MFC 1
#define _APS_NEXT_RESOURCE_VALUE 542
#define _APS_NEXT_COMMAND_VALUE 40001
#define _APS_NEXT_CONTROL_VALUE 5124
#define _APS_NEXT_CONTROL_VALUE 5125
#define _APS_NEXT_SYMED_VALUE 101
#endif
#endif