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/*
Legal Notice: Some portions of the source code contained in this file were
derived from the source code of Encryption for the Masses 2.02a, which is
Copyright (c) 1998-2000 Paul Le Roux and which is governed by the 'License
Agreement for Encryption for the Masses'. Modifications and additions to
the original source code (contained in this file) and all other portions
of this file are Copyright (c) 2003-2008 TrueCrypt Developers Association
and are governed by the TrueCrypt License 3.0 the full text of which is
contained in the file License.txt included in TrueCrypt binary and source
code distribution packages. */
#include "Tcdefs.h"
#include "Combo.h"
#include "Dlgcode.h"
#include "Xml.h"
#include <time.h>
#define SIZEOF_MRU_LIST 20
void AddComboItem (HWND hComboBox, char *lpszFileName, BOOL saveHistory)
{
LPARAM nIndex;
if (!saveHistory)
{
SendMessage (hComboBox, CB_RESETCONTENT, 0, 0);
SetWindowText (hComboBox, lpszFileName);
return;
}
nIndex = SendMessage (hComboBox, CB_FINDSTRINGEXACT, (WPARAM) - 1, (LPARAM) & lpszFileName[0]);
if (nIndex == CB_ERR && *lpszFileName)
{
time_t lTime = time (NULL);
nIndex = SendMessage (hComboBox, CB_ADDSTRING, 0, (LPARAM) & lpszFileName[0]);
if (nIndex != CB_ERR)
SendMessage (hComboBox, CB_SETITEMDATA, nIndex, (LPARAM) lTime);
}
if (nIndex != CB_ERR && *lpszFileName)
nIndex = SendMessage (hComboBox, CB_SETCURSEL, nIndex, 0);
if (*lpszFileName == 0)
{
SendMessage (hComboBox, CB_SETCURSEL, (WPARAM) - 1, 0);
}
}
LPARAM MoveEditToCombo (HWND hComboBox, BOOL saveHistory)
{
char szTmp[TC_MAX_PATH] = {0};
if (!saveHistory)
{
GetWindowText (hComboBox, szTmp, sizeof (szTmp));
SendMessage (hComboBox, CB_RESETCONTENT, 0, 0);
SetWindowText (hComboBox, szTmp);
return 0;
}
GetWindowText (hComboBox, szTmp, sizeof (szTmp));
if (strlen (szTmp) > 0)
{
LPARAM nIndex = SendMessage (hComboBox, CB_FINDSTRINGEXACT, (WPARAM) - 1,
(LPARAM) & szTmp[0]);
if (nIndex == CB_ERR)
{
time_t lTime = time (NULL);
nIndex = SendMessage (hComboBox, CB_ADDSTRING, 0, (LPARAM) & szTmp[0]);
if (nIndex != CB_ERR)
SendMessage (hComboBox, CB_SETITEMDATA, nIndex, (DWORD) lTime);
}
else
{
time_t lTime = time (NULL);
SendMessage (hComboBox, CB_SETITEMDATA, nIndex, (DWORD) lTime);
}
return nIndex;
}
return SendMessage (hComboBox, CB_GETCURSEL, 0, 0);
}
int GetOrderComboIdx (HWND hComboBox, int *nIdxList, int nElems)
{
int x = (int) SendMessage (hComboBox, CB_GETCOUNT, 0, 0);
if (x != CB_ERR)
{
int i, nHighIdx = CB_ERR;
time_t lHighTime = -1;
for (i = 0; i < x; i++)
{
time_t lTime = SendMessage (hComboBox, CB_GETITEMDATA, (WPARAM) i, 0);
if (lTime > lHighTime)
{
int n;
for (n = 0; n < nElems; n++)
if (nIdxList[n] == i)
break;
if (n == nElems)
{
lHighTime = lTime;
nHighIdx = i;
}
}
}
return nHighIdx;
}
return CB_ERR;
}
LPARAM UpdateComboOrder (HWND hComboBox)
{
LPARAM nIndex;
nIndex = SendMessage (hComboBox, CB_GETCURSEL, 0, 0);
if (nIndex != CB_ERR)
{
time_t lTime = time (NULL);
nIndex = SendMessage (hComboBox, CB_SETITEMDATA, (WPARAM) nIndex,
(LPARAM) lTime);
}
return nIndex;
}
void LoadCombo (HWND hComboBox)
{
DWORD size;
char *history = LoadFile (GetConfigPath (TC_APPD_FILENAME_HISTORY), &size);
char *xml = history;
char volume[MAX_PATH];
if (xml == NULL) return;
while (xml = XmlFindElement (xml, "volume"))
{
XmlGetNodeText (xml, volume, sizeof (volume));
AddComboItem (hComboBox, volume, TRUE);
xml++;
}
SendMessage (hComboBox, CB_SETCURSEL, 0, 0);
free (history);
}
void DumpCombo (HWND hComboBox, int bClear)
{
FILE *f;
int i, nComboIdx[SIZEOF_MRU_LIST] = {0};
if (bClear)
{
DeleteFile (GetConfigPath (TC_APPD_FILENAME_HISTORY));
return;
}
f = fopen (GetConfigPath (TC_APPD_FILENAME_HISTORY), "w");
if (f == NULL) return;
XmlWriteHeader (f);
fputs ("\n\t<history>", f);
/* combo list part:- get mru items */
for (i = 0; i < SIZEOF_MRU_LIST; i++)
nComboIdx[i] = GetOrderComboIdx (hComboBox, &nComboIdx[0], i);
/* combo list part:- write out mru items */
for (i = 0; i < SIZEOF_MRU_LIST; i++)
{
char szTmp[MAX_PATH] = { 0 };
if (SendMessage (hComboBox, CB_GETLBTEXTLEN, nComboIdx[i], 0) < sizeof (szTmp))
SendMessage (hComboBox, CB_GETLBTEXT, nComboIdx[i], (LPARAM) & szTmp[0]);
if (szTmp[0] != 0)
{
char q[MAX_PATH * 2] = { 0 };
XmlQuoteText (szTmp, q, sizeof (q));
fprintf (f, "\n\t\t<volume>%s</volume>", q);
}
}
fputs ("\n\t</history>", f);
XmlWriteFooter (f);
fclose (f);
}
void ClearCombo (HWND hComboBox)
{
int i;
for (i = 0; i < SIZEOF_MRU_LIST; i++)
{
SendMessage (hComboBox, CB_DELETESTRING, 0, 0);
}
}
int IsComboEmpty (HWND hComboBox)
{
return SendMessage (hComboBox, CB_GETCOUNT, 0, 0) < 1;
}
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