Add original TrueCrypt 7.1a sources

src/Common/Combo.c

@@ -0,0 +1,212 @@
+/*
+ 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];
+
+	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;
+}