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/*
Derived from source code of TrueCrypt 7.1a, which is
Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
by the TrueCrypt License 3.0.
Modifications and additions to the original source code (contained in this file)
and all other portions of this file are Copyright (c) 2013-2017 IDRIX
and are governed by the Apache License 2.0 the full text of which is
contained in the file License.txt included in VeraCrypt binary and source
code distribution packages.
*/
#include "System.h"
#include "Main/GraphicUserInterface.h"
#include "VolumeSizeWizardPage.h"
namespace VeraCrypt
{
VolumeSizeWizardPage::VolumeSizeWizardPage (wxPanel* parent, const VolumePath &volumePath, uint32 sectorSize, const wxString &freeSpaceText)
: VolumeSizeWizardPageBase (parent),
MaxVolumeSize (0),
MaxVolumeSizeValid (false),
MinVolumeSize (1),
SectorSize (sectorSize),
AvailableDiskSpace (0)
{
VolumeSizePrefixChoice->Append (LangString["KB"], reinterpret_cast <void *> (1));
VolumeSizePrefixChoice->Append (LangString["MB"], reinterpret_cast <void *> (2));
VolumeSizePrefixChoice->Append (LangString["GB"], reinterpret_cast <void *> (3));
VolumeSizePrefixChoice->Append (LangString["TB"], reinterpret_cast <void *> (4));
VolumeSizePrefixChoice->Select (Prefix::MB);
wxLongLong diskSpace = 0;
if (!wxGetDiskSpace (wxFileName (wstring (volumePath)).GetPath(), nullptr, &diskSpace))
{
VolumeSizeTextCtrl->Disable();
VolumeSizeTextCtrl->SetValue (L"");
UseAllFreeSpaceCheckBox->Disable();
}
else
{
AvailableDiskSpace = (uint64) diskSpace.GetValue ();
}
FreeSpaceStaticText->SetFont (Gui->GetDefaultBoldFont (this));
if (!freeSpaceText.empty())
{
FreeSpaceStaticText->SetLabel (freeSpaceText);
}
else
{
#ifdef TC_WINDOWS
wxString drive = wxFileName (wstring (volumePath)).GetVolume();
if (!drive.empty())
{
FreeSpaceStaticText->SetLabel (StringFormatter (LangString["LINUX_FREE_SPACE_ON_DRIVE"],
drive, Gui->SizeToString (diskSpace.GetValue())));
}
else
#endif
{
FreeSpaceStaticText->SetLabel (StringFormatter (LangString["DISK_FREE"],
Gui->SizeToString (diskSpace.GetValue())));
}
}
VolumeSizeTextCtrl->SetMinSize (wxSize (Gui->GetCharWidth (VolumeSizeTextCtrl) * 20, -1));
wxTextValidator validator (wxFILTER_INCLUDE_CHAR_LIST); // wxFILTER_NUMERIC does not exclude - . , etc.
const wxChar *valArr[] = { L"0", L"1", L"2", L"3", L"4", L"5", L"6", L"7", L"8", L"9" };
validator.SetIncludes (wxArrayString (array_capacity (valArr), (const wxChar **) &valArr));
VolumeSizeTextCtrl->SetValidator (validator);
}
uint64 VolumeSizeWizardPage::GetVolumeSize () const
{
uint64 prefixMult = 1;
uint64 val;
if (UseAllFreeSpaceCheckBox->IsChecked ())
{
val = MaxVolumeSizeValid ? MaxVolumeSize : AvailableDiskSpace;
}
else
{
int selection = VolumeSizePrefixChoice->GetSelection();
if (selection == wxNOT_FOUND)
return 0;
uint64 counter = reinterpret_cast <uint64> (VolumeSizePrefixChoice->GetClientData (selection));
while (counter)
{
prefixMult *= 1024;
counter--;
}
val = StringConverter::ToUInt64 (wstring(VolumeSizeTextCtrl->GetValue()));
}
if (val <= 0x7fffFFFFffffFFFFull / prefixMult)
{
val *= prefixMult;
uint32 sectorSizeRem = val % SectorSize;
if (sectorSizeRem != 0)
val += SectorSize - sectorSizeRem;
return val;
}
else
return 0;
}
bool VolumeSizeWizardPage::IsValid ()
{
if ((!VolumeSizeTextCtrl->GetValue().empty() || UseAllFreeSpaceCheckBox->IsChecked ()) && Validate())
{
try
{
uint64 uiVolumeSize = GetVolumeSize();
if (uiVolumeSize >= MinVolumeSize && (!MaxVolumeSizeValid || uiVolumeSize <= MaxVolumeSize) && (MaxVolumeSizeValid || CmdLine->ArgDisableFileSizeCheck || !AvailableDiskSpace || uiVolumeSize <= AvailableDiskSpace))
return true;
}
catch (...) { }
}
return false;
}
void VolumeSizeWizardPage::SetMaxStaticTextWidth (int width)
{
FreeSpaceStaticText->Wrap (width);
InfoStaticText->Wrap (width);
}
void VolumeSizeWizardPage::SetVolumeSize (uint64 size)
{
if (size == 0)
{
VolumeSizePrefixChoice->Select (Prefix::MB);
VolumeSizeTextCtrl->SetValue (L"");
return;
}
if (size % (1024ULL * 1024ULL * 1024ULL * 1024ULL) == 0)
{
size /= 1024ULL * 1024ULL * 1024ULL * 1024ULL;
VolumeSizePrefixChoice->Select (Prefix::TB);
}
else if (size % (1024 * 1024 * 1024) == 0)
{
size /= 1024 * 1024 * 1024;
VolumeSizePrefixChoice->Select (Prefix::GB);
}
else if (size % (1024 * 1024) == 0)
{
size /= 1024 * 1024;
VolumeSizePrefixChoice->Select (Prefix::MB);
}
else
{
size /= 1024;
VolumeSizePrefixChoice->Select (Prefix::KB);
}
VolumeSizeTextCtrl->SetValue (StringConverter::FromNumber (size));
}
void VolumeSizeWizardPage::OnUseAllFreeSpaceCheckBoxClick( wxCommandEvent& event )
{
if (UseAllFreeSpaceCheckBox->IsChecked ())
{
VolumeSizePrefixChoice->Select (Prefix::MB);
VolumeSizeTextCtrl->SetValue (L"");
VolumeSizePrefixChoice->Disable();
VolumeSizeTextCtrl->Disable();
}
else
{
VolumeSizePrefixChoice->Enable();
VolumeSizeTextCtrl->SetValue (L"");
VolumeSizeTextCtrl->Enable();
}
}
}
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