Descent3/legacy/hogedit/DirDialog.cpp
2024-06-15 20:13:59 +02:00

137 lines
4.4 KiB
C++

/*
* Descent 3
* Copyright (C) 2024 Parallax Software
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
///////////////////////////////////////////////////////////////////////////
// DirDialog.cpp: implementation of the CDirDialog class.
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "DirDialog.h"
#include "shlobj.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#define new DEBUG_NEW
#endif
// Callback function called by SHBrowseForFolder's browse control
// after initialization and when selection changes
int __stdcall CDirDialog::BrowseCtrlCallback(HWND hwnd, UINT uMsg, LPARAM lParam, LPARAM lpData) {
CDirDialog *pDirDialogObj = (CDirDialog *)lpData;
if (uMsg == BFFM_INITIALIZED) {
if (!pDirDialogObj->m_strSelDir.IsEmpty())
::SendMessage(hwnd, BFFM_SETSELECTION, TRUE, (LPARAM)(LPCTSTR)(pDirDialogObj->m_strSelDir));
if (!pDirDialogObj->m_strWindowTitle.IsEmpty())
::SetWindowText(hwnd, (LPCTSTR)pDirDialogObj->m_strWindowTitle);
} else if (uMsg == BFFM_SELCHANGED) {
LPITEMIDLIST pidl = (LPITEMIDLIST)lParam;
char selection[_MAX_PATH];
if (!::SHGetPathFromIDList(pidl, selection))
selection[0] = '\0';
CString csStatusText;
BOOL bOk = pDirDialogObj->SelChanged(selection, csStatusText);
if (pDirDialogObj->m_bStatus)
::SendMessage(hwnd, BFFM_SETSTATUSTEXT, 0, (LPARAM)(LPCSTR)csStatusText);
::SendMessage(hwnd, BFFM_ENABLEOK, 0, bOk);
}
return 0;
}
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CDirDialog::CDirDialog() { m_bStatus = FALSE; }
CDirDialog::~CDirDialog() {}
BOOL CDirDialog::DoBrowse(CWnd *pwndParent) {
if (!m_strSelDir.IsEmpty()) {
m_strSelDir.TrimRight();
if (m_strSelDir.Right(1) == "\\" || m_strSelDir.Right(1) == "//")
m_strSelDir = m_strSelDir.Left(m_strSelDir.GetLength() - 1);
}
LPMALLOC pMalloc;
if (SHGetMalloc(&pMalloc) != NOERROR)
return FALSE;
BROWSEINFO bInfo;
LPITEMIDLIST pidl;
ZeroMemory((PVOID)&bInfo, sizeof(BROWSEINFO));
if (!m_strInitDir.IsEmpty()) {
OLECHAR olePath[_MAX_PATH];
ULONG chEaten;
ULONG dwAttributes;
HRESULT hr;
LPSHELLFOLDER pDesktopFolder;
//
// Get a pointer to the Desktop's IShellFolder interface.
//
if (SUCCEEDED(SHGetDesktopFolder(&pDesktopFolder))) {
//
// IShellFolder::ParseDisplayName requires the file name be in Unicode.
//
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, m_strInitDir.GetBuffer(_MAX_PATH), -1, olePath, _MAX_PATH);
m_strInitDir.ReleaseBuffer(-1);
//
// Convert the path to an ITEMIDLIST.
//
hr = pDesktopFolder->ParseDisplayName(NULL, NULL, olePath, &chEaten, &pidl, &dwAttributes);
if (FAILED(hr)) {
pMalloc->Free(pidl);
pMalloc->Release();
return FALSE;
}
bInfo.pidlRoot = pidl;
}
}
bInfo.hwndOwner = pwndParent == NULL ? NULL : pwndParent->GetSafeHwnd();
bInfo.pszDisplayName = m_strPath.GetBuffer(_MAX_PATH);
bInfo.lpszTitle = (m_strTitle.IsEmpty()) ? "Open" : m_strTitle;
bInfo.ulFlags = BIF_RETURNFSANCESTORS | BIF_RETURNONLYFSDIRS | (m_bStatus ? BIF_STATUSTEXT : 0);
bInfo.lpfn = BrowseCtrlCallback; // address of callback function
bInfo.lParam = (LPARAM)this; // pass address of object to callback function
if ((pidl = ::SHBrowseForFolder(&bInfo)) == NULL) {
return FALSE;
}
m_strPath.ReleaseBuffer();
m_iImageIndex = bInfo.iImage;
if (::SHGetPathFromIDList(pidl, m_strPath.GetBuffer(_MAX_PATH)) == FALSE) {
pMalloc->Free(pidl);
pMalloc->Release();
return FALSE;
}
m_strPath.ReleaseBuffer();
pMalloc->Free(pidl);
pMalloc->Release();
return TRUE;
}