bool getOpenDirectory(char* out, int max_size, const char* starting_dir)
{
bool ret = false;
IFileDialog* pfd;
if (SUCCEEDED(CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pfd))))
{
if (starting_dir)
{
PIDLIST_ABSOLUTE pidl;
WCHAR wstarting_dir[MAX_PATH];
WCHAR* wc = wstarting_dir;
for (const char *c = starting_dir; *c && wc - wstarting_dir < MAX_PATH - 1; ++c, ++wc)
{
*wc = *c == '/' ? '\\' : *c;
}
*wc = 0;
HRESULT hresult = ::SHParseDisplayName(wstarting_dir, 0, &pidl, SFGAO_FOLDER, 0);
if (SUCCEEDED(hresult))
{
IShellItem* psi;
hresult = ::SHCreateShellItem(NULL, NULL, pidl, &psi);
if (SUCCEEDED(hresult))
{
pfd->SetFolder(psi);
}
ILFree(pidl);
}
}
DWORD dwOptions;
if (SUCCEEDED(pfd->GetOptions(&dwOptions)))
{
pfd->SetOptions(dwOptions | FOS_PICKFOLDERS);
}
if (SUCCEEDED(pfd->Show(NULL)))
{
IShellItem* psi;
if (SUCCEEDED(pfd->GetResult(&psi)))
{
WCHAR* tmp;
if (SUCCEEDED(psi->GetDisplayName(SIGDN_DESKTOPABSOLUTEPARSING, &tmp)))
{
char* c = out;
while (*tmp && c - out < max_size - 1)
{
*c = (char)*tmp;
++c;
++tmp;
}
*c = '\0';
ret = true;
}
psi->Release();
}
}
pfd->Release();
}
return ret;
}
// This opens up the common file dialog to an IShellItem and waits for the user to select a file from the results.
// It then displays the name of the selected item in a message box.
HRESULT OpenCommonFileDialogTo(IShellItem *pShellItemSearch)
{
// Create an instance of IFileOpenDialog
IFileDialog* pFileDialog;
HRESULT hr = CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pFileDialog));
if (SUCCEEDED(hr))
{
// Set it to the folder we want to show
hr = pFileDialog->SetFolder(pShellItemSearch);
if (SUCCEEDED(hr))
{
// Show the File Dialog
hr = pFileDialog->Show(NULL);
if (SUCCEEDED(hr))
{
// Now get the file that the user selected
IShellItem *pShellItemSelected;
hr = pFileDialog->GetResult(&pShellItemSelected);
if (SUCCEEDED(hr))
{
// Get the name from that file
PWSTR pszName;
hr = pShellItemSelected->GetDisplayName(SIGDN_NORMALDISPLAY, &pszName);
if (SUCCEEDED(hr))
{
// Display it back to the user
WCHAR szMsg[128];
StringCchPrintf(szMsg, ARRAYSIZE(szMsg), L"You Chose '%s'\r", pszName);
MessageBox(NULL, szMsg, L"Search Folder Sample", MB_OK);
CoTaskMemFree(pszName);
}
pShellItemSelected->Release();
}
}
}
pFileDialog->Release();
}
return hr;
}
//-----------------------------------------------------------------------------
bool VistaFileSelector::runModalInternal ()
{
fileDialog = 0;
HRESULT hr = -1;
if (style == kSelectSaveFile)
{
hr = CoCreateInstance (CLSID_FileSaveDialog, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARG(IFileDialog, &fileDialog));
if (defaultSaveName)
{
fileDialog->SetFileName (UTF8StringHelper (defaultSaveName));
}
}
else
{
hr = CoCreateInstance (CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARG(IFileDialog, &fileDialog));
if (SUCCEEDED (hr))
{
if (style == kSelectDirectory)
{
DWORD dwOptions = 0;
hr = fileDialog->GetOptions (&dwOptions);
if (SUCCEEDED (hr))
hr = fileDialog->SetOptions (dwOptions | FOS_PICKFOLDERS);
if (FAILED (hr))
{
fileDialog->Release ();
fileDialog = 0;
return false;
}
}
if (allowMultiFileSelection)
{
DWORD dwOptions = 0;
hr = fileDialog->GetOptions (&dwOptions);
if (SUCCEEDED (hr))
hr = fileDialog->SetOptions (dwOptions | FOS_ALLOWMULTISELECT);
if (FAILED (hr))
{
fileDialog->Release ();
fileDialog = 0;
return false;
}
}
}
}
if (FAILED (hr))
{
fileDialog = 0;
return false;
}
if (title)
hr = fileDialog->SetTitle (UTF8StringHelper (title));
DWORD numExtensions = 0;
DWORD defaultFileTypeIndex = 0;
COMDLG_FILTERSPEC* filters = buildExtensionFilter (extensions, defaultExtension, numExtensions, defaultFileTypeIndex);
if (filters)
{
fileDialog->SetFileTypes (numExtensions, filters);
if (defaultFileTypeIndex)
fileDialog->SetFileTypeIndex (defaultFileTypeIndex);
}
if (initialPath && _SHCreateItemFromParsingName)
{
IShellItem* shellItem;
hr = _SHCreateItemFromParsingName (UTF8StringHelper (initialPath), 0, IID_PPV_ARG (IShellItem, &shellItem));
if (SUCCEEDED (hr))
{
fileDialog->SetFolder (shellItem);
shellItem->Release ();
}
}
Win32Frame* win32Frame = frame->getPlatformFrame () ? dynamic_cast<Win32Frame*> (frame->getPlatformFrame ()) : 0;
hr = fileDialog->Show (win32Frame ? win32Frame->getPlatformWindow () : 0);
if (SUCCEEDED (hr))
{
if (allowMultiFileSelection)
{
IFileOpenDialog* openFileDialog = 0;
hr = fileDialog->QueryInterface (IID_PPV_ARG(IFileOpenDialog, &openFileDialog));
if (SUCCEEDED (hr))
{
IShellItemArray* items;
hr = openFileDialog->GetResults (&items);
if (SUCCEEDED (hr))
{
DWORD count;
hr = items->GetCount (&count);
for (DWORD i = 0; i < count; i++)
{
IShellItem* item;
hr = items->GetItemAt (i, &item);
if (SUCCEEDED (hr))
{
LPWSTR filesysPath = 0;
hr = item->GetDisplayName (SIGDN_FILESYSPATH, &filesysPath);
if (SUCCEEDED (hr))
{
UTF8StringHelper str (filesysPath);
UTF8StringBuffer resultPath = String::newWithString (str);
result.push_back (resultPath);
}
item->Release ();
}
}
items->Release ();
}
openFileDialog->Release ();
}
}
else
{
IShellItem *item;
hr = fileDialog->GetResult (&item);
if (SUCCEEDED (hr))
{
LPWSTR filesysPath = 0;
hr = item->GetDisplayName (SIGDN_FILESYSPATH, &filesysPath);
if (SUCCEEDED (hr))
{
UTF8StringHelper str (filesysPath);
UTF8StringBuffer resultPath = String::newWithString (str);
result.push_back (resultPath);
}
item->Release ();
}
}
}
fileDialog->Release ();
fileDialog = 0;
freeExtensionFilter (filters);
return SUCCEEDED (hr);
}