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// Windows/CommonDialog.cpp
#include "StdAfx.h"
#include "../Common/MyWindows.h"
#ifdef UNDER_CE
#include <commdlg.h>
#endif
#ifndef _UNICODE
#include "../Common/StringConvert.h"
#endif
#include "CommonDialog.h"
#include "Defs.h"
#ifndef _UNICODE
extern bool g_IsNT;
#endif
namespace NWindows {
#ifndef _UNICODE
class CDoubleZeroStringListA
{
LPTSTR Buf;
unsigned Size;
public:
CDoubleZeroStringListA(LPSTR buf, unsigned size): Buf(buf), Size(size) {}
bool Add(LPCSTR s) throw();
void Finish() { *Buf = 0; }
};
bool CDoubleZeroStringListA::Add(LPCSTR s) throw()
{
unsigned len = MyStringLen(s) + 1;
if (len >= Size)
return false;
MyStringCopy(Buf, s);
Buf += len;
Size -= len;
return true;
}
#endif
class CDoubleZeroStringListW
{
LPWSTR Buf;
unsigned Size;
public:
CDoubleZeroStringListW(LPWSTR buf, unsigned size): Buf(buf), Size(size) {}
bool Add(LPCWSTR s) throw();
void Finish() { *Buf = 0; }
};
bool CDoubleZeroStringListW::Add(LPCWSTR s) throw()
{
unsigned len = MyStringLen(s) + 1;
if (len >= Size)
return false;
MyStringCopy(Buf, s);
Buf += len;
Size -= len;
return true;
}
#define MY__OFN_PROJECT 0x00400000
#define MY__OFN_SHOW_ALL 0x01000000
/* if (lpstrFilter == NULL && nFilterIndex == 0)
MSDN : "the system doesn't show any files",
but WinXP-64 shows all files. Why ??? */
/*
structures
OPENFILENAMEW
OPENFILENAMEA
contain additional members:
#if (_WIN32_WINNT >= 0x0500)
void *pvReserved;
DWORD dwReserved;
DWORD FlagsEx;
#endif
If we compile the source code with (_WIN32_WINNT >= 0x0500), some functions
will not work at NT 4.0, if we use sizeof(OPENFILENAME*).
So we use size of old version of structure. */
#if defined(UNDER_CE) || defined(_WIN64) || (_WIN32_WINNT < 0x0500)
// || !defined(WINVER)
#define my_compatib_OPENFILENAMEA_size sizeof(OPENFILENAMEA)
#define my_compatib_OPENFILENAMEW_size sizeof(OPENFILENAMEW)
#else
#define my_compatib_OPENFILENAMEA_size OPENFILENAME_SIZE_VERSION_400A
#define my_compatib_OPENFILENAMEW_size OPENFILENAME_SIZE_VERSION_400W
#endif
#define CONV_U_To_A(dest, src, temp) AString temp; if (src) { temp = GetSystemString(src); dest = temp; }
bool MyGetOpenFileName(HWND hwnd, LPCWSTR title,
LPCWSTR initialDir,
LPCWSTR filePath,
LPCWSTR filterDescription,
LPCWSTR filter,
UString &resPath
#ifdef UNDER_CE
, bool openFolder
#endif
)
{
const unsigned kBufSize = MAX_PATH * 2;
const unsigned kFilterBufSize = MAX_PATH;
if (!filter)
filter = L"*.*";
#ifndef _UNICODE
if (!g_IsNT)
{
CHAR buf[kBufSize];
MyStringCopy(buf, (const char *)GetSystemString(filePath));
// OPENFILENAME_NT4A
OPENFILENAMEA p;
memset(&p, 0, sizeof(p));
p.lStructSize = my_compatib_OPENFILENAMEA_size;
p.hwndOwner = hwnd;
CHAR filterBuf[kFilterBufSize];
{
CDoubleZeroStringListA dz(filterBuf, kFilterBufSize);
dz.Add(GetSystemString(filterDescription ? filterDescription : filter));
dz.Add(GetSystemString(filter));
dz.Finish();
p.lpstrFilter = filterBuf;
p.nFilterIndex = 1;
}
p.lpstrFile = buf;
p.nMaxFile = kBufSize;
CONV_U_To_A(p.lpstrInitialDir, initialDir, initialDirA);
CONV_U_To_A(p.lpstrTitle, title, titleA);
p.Flags = OFN_EXPLORER | OFN_HIDEREADONLY;
bool res = BOOLToBool(::GetOpenFileNameA(&p));
resPath = GetUnicodeString(buf);
return res;
}
else
#endif
{
WCHAR buf[kBufSize];
MyStringCopy(buf, filePath);
// OPENFILENAME_NT4W
OPENFILENAMEW p;
memset(&p, 0, sizeof(p));
p.lStructSize = my_compatib_OPENFILENAMEW_size;
p.hwndOwner = hwnd;
WCHAR filterBuf[kFilterBufSize];
{
CDoubleZeroStringListW dz(filterBuf, kFilterBufSize);
dz.Add(filterDescription ? filterDescription : filter);
dz.Add(filter);
dz.Finish();
p.lpstrFilter = filterBuf;
p.nFilterIndex = 1;
}
p.lpstrFile = buf;
p.nMaxFile = kBufSize;
p.lpstrInitialDir = initialDir;
p.lpstrTitle = title;
p.Flags = OFN_EXPLORER | OFN_HIDEREADONLY
#ifdef UNDER_CE
| (openFolder ? (MY__OFN_PROJECT | MY__OFN_SHOW_ALL) : 0)
#endif
;
bool res = BOOLToBool(::GetOpenFileNameW(&p));
resPath = buf;
return res;
}
}
}
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