std::vector<std::wstring> APlayerWindow::showOpenFile()
{
HRESULT hr = S_OK;
std::vector<std::wstring> filePaths;
IFileOpenDialog *fileDlg = NULL;
hr = CoCreateInstance(CLSID_FileOpenDialog,
NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&fileDlg));
if (FAILED(hr)) return filePaths;
ON_SCOPE_EXIT([&] { fileDlg->Release(); });
IKnownFolderManager *pkfm = NULL;
hr = CoCreateInstance(CLSID_KnownFolderManager,
NULL,
CLSCTX_INPROC_SERVER,
IID_PPV_ARGS(&pkfm));
if (FAILED(hr)) return filePaths;
ON_SCOPE_EXIT([&] { pkfm->Release(); });
IKnownFolder *pKnownFolder = NULL;
hr = pkfm->GetFolder(FOLDERID_PublicMusic, &pKnownFolder);
if (FAILED(hr)) return filePaths;
ON_SCOPE_EXIT([&] { pKnownFolder->Release(); });
IShellItem *psi = NULL;
hr = pKnownFolder->GetShellItem(0, IID_PPV_ARGS(&psi));
if (FAILED(hr)) return filePaths;
ON_SCOPE_EXIT([&] { psi->Release(); });
hr = fileDlg->AddPlace(psi, FDAP_BOTTOM);
COMDLG_FILTERSPEC rgSpec[] = {
{ L"ÒôÀÖÎļþ", SupportType }
};
fileDlg->SetFileTypes(1, rgSpec);
DWORD dwOptions;
fileDlg->GetOptions(&dwOptions);
fileDlg->SetOptions(dwOptions | FOS_ALLOWMULTISELECT);
hr = fileDlg->Show(NULL);
if (SUCCEEDED(hr)) {
IShellItemArray *pRets;
hr = fileDlg->GetResults(&pRets);
if (SUCCEEDED(hr)) {
DWORD count;
pRets->GetCount(&count);
for (DWORD i = 0; i < count; i++) {
IShellItem *pRet;
LPWSTR nameBuffer;
pRets->GetItemAt(i, &pRet);
pRet->GetDisplayName(SIGDN_DESKTOPABSOLUTEPARSING, &nameBuffer);
filePaths.push_back(std::wstring(nameBuffer));
pRet->Release();
CoTaskMemFree(nameBuffer);
}
pRets->Release();
}
}
return filePaths;
}
QStringList qt_win_CID_get_open_file_names(const QFileDialogArgs &args,
QString *initialDirectory,
const QStringList &filterList,
QString *selectedFilter,
int selectedFilterIndex)
{
QStringList result;
QDialog modal_widget;
modal_widget.setAttribute(Qt::WA_NoChildEventsForParent, true);
modal_widget.setParent(args.parent, Qt::Window);
QApplicationPrivate::enterModal(&modal_widget);
// Multiple selection is allowed only in IFileOpenDialog.
IFileOpenDialog *pfd = 0;
HRESULT hr = CoCreateInstance(CLSID_FileOpenDialog,
NULL,
CLSCTX_INPROC_SERVER,
IID_PPV_ARGS(&pfd));
if (SUCCEEDED(hr)) {
qt_win_set_IFileDialogOptions(pfd, args.selection,
args.directory, args.caption,
filterList, QFileDialog::ExistingFiles,
args.options);
// Set the currently selected filter (one-based index).
hr = pfd->SetFileTypeIndex(selectedFilterIndex+1);
QWidget *parentWindow = args.parent;
if (parentWindow)
parentWindow = parentWindow->window();
else
parentWindow = QApplication::activeWindow();
// Show the file dialog.
hr = pfd->Show(parentWindow ? parentWindow->winId() : 0);
if (SUCCEEDED(hr)) {
// Retrieve the results.
IShellItemArray *psiaResults;
hr = pfd->GetResults(&psiaResults);
if (SUCCEEDED(hr)) {
DWORD numItems = 0;
psiaResults->GetCount(&numItems);
for (DWORD i = 0; i<numItems; i++) {
IShellItem *psi = 0;
hr = psiaResults->GetItemAt(i, &psi);
if (SUCCEEDED(hr)) {
// Retrieve the file name from shell item.
wchar_t *pszPath;
hr = psi->GetDisplayName(SIGDN_FILESYSPATH, &pszPath);
if (SUCCEEDED(hr)) {
QString fileName = QString::fromWCharArray(pszPath);
result.append(fileName);
CoTaskMemFree(pszPath);
}
psi->Release(); // Free the current item.
}
}
psiaResults->Release(); // Free the array of items.
}
}
}
QApplicationPrivate::leaveModal(&modal_widget);
qt_win_eatMouseMove();
if (!result.isEmpty()) {
// Retrieve the current folder name.
IShellItem *psi = 0;
hr = pfd->GetFolder(&psi);
if (SUCCEEDED(hr)) {
wchar_t *pszPath;
hr = psi->GetDisplayName(SIGDN_FILESYSPATH, &pszPath);
if (SUCCEEDED(hr)) {
*initialDirectory = QString::fromWCharArray(pszPath);
CoTaskMemFree(pszPath);
}
psi->Release();
}
// Retrieve the currently selected filter.
if (selectedFilter) {
quint32 filetype = 0;
hr = pfd->GetFileTypeIndex(&filetype);
if (SUCCEEDED(hr) && filetype && filetype <= (quint32)filterList.length()) {
// This is a one-based index, not zero-based.
*selectedFilter = filterList[filetype-1];
}
}
}
if (pfd)
pfd->Release();
return result;
}
void openBrowseDialogCore(FileDialogType type, const Path& defaultPath, const String& filterList,
Vector<Path>& paths, AsyncOp& returnValue)
{
// Init COM library.
CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE);
IFileDialog* fileDialog = nullptr;
UINT32 dialogType = ((UINT32)type & (UINT32)FileDialogType::TypeMask);
bool isOpenDialog = dialogType == (UINT32)FileDialogType::OpenFile || dialogType == (UINT32)FileDialogType::OpenFolder;
// Create dialog
IID classId = isOpenDialog ? CLSID_FileOpenDialog : CLSID_FileSaveDialog;
CoCreateInstance(classId, nullptr, CLSCTX_ALL, IID_PPV_ARGS(&fileDialog));
addFiltersToDialog(fileDialog, filterList);
setDefaultPath(fileDialog, defaultPath);
// Apply multiselect flags
bool isMultiselect = false;
if (isOpenDialog)
{
if (dialogType == (UINT32)FileDialogType::OpenFile)
{
if (((UINT32)type & (UINT32)FileDialogType::Multiselect) != 0)
{
DWORD dwFlags;
fileDialog->GetOptions(&dwFlags);
fileDialog->SetOptions(dwFlags | FOS_ALLOWMULTISELECT);
isMultiselect = true;
}
}
else
{
DWORD dwFlags;
fileDialog->GetOptions(&dwFlags);
fileDialog->SetOptions(dwFlags | FOS_PICKFOLDERS);
}
}
// Show the dialog
bool finalResult = false;
// Need to enable all windows, otherwise when the browse dialog closes the active window will become some
// background window
Win32Window::_enableAllWindows();
if (SUCCEEDED(fileDialog->Show(nullptr)))
{
if (isMultiselect)
{
// Get file names
IFileOpenDialog* fileOpenDialog;
fileDialog->QueryInterface(IID_IFileOpenDialog, (void**)&fileOpenDialog);
IShellItemArray* shellItems = nullptr;
fileOpenDialog->GetResults(&shellItems);
getPaths(shellItems, paths);
shellItems->Release();
fileOpenDialog->Release();
}
else
{
// Get the file name
IShellItem* shellItem = nullptr;
fileDialog->GetResult(&shellItem);
LPWSTR filePath = nullptr;
shellItem->GetDisplayName(SIGDN_FILESYSPATH, &filePath);
paths.push_back((Path)UTF8::fromWide(WString(filePath)));
CoTaskMemFree(filePath);
shellItem->Release();
}
finalResult = true;
}
// Restore modal window state (before we enabled all windows)
Win32Window::_restoreModalWindows();
CoUninitialize();
returnValue._completeOperation(finalResult);
}
//-----------------------------------------------------------------------------
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);
}
extern "C" LXCWIN_API HRESULT fileOpenDialog(HWND hWnd, DWORD *count, LPWSTR **result) {
*result = NULL;
HRESULT hr = S_OK;
CoInitialize(nullptr);
IFileOpenDialog *pfd = NULL;
hr = CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pfd));
if (SUCCEEDED(hr)) {
// set default folder to "My Documents"
IShellItem *psiDocuments = NULL;
hr = SHCreateItemInKnownFolder(FOLDERID_Documents, 0, NULL,
IID_PPV_ARGS(&psiDocuments));
if (SUCCEEDED(hr)) {
hr = pfd->SetDefaultFolder(psiDocuments);
psiDocuments->Release();
}
// dialog title
pfd->SetTitle(L"Select files to share");
// allow multiselect, restrict to real files
DWORD dwOptions;
hr = pfd->GetOptions(&dwOptions);
if (SUCCEEDED(hr)) {
// ideally, allow selecting folders as well as files, but IFileDialog does not support this :(
pfd->SetOptions(dwOptions | FOS_ALLOWMULTISELECT | FOS_FORCEFILESYSTEM); // | FOS_PICKFOLDERS
}
// do not limit to certain file types
// show the open file dialog
hr = pfd->Show(hWnd);
if (SUCCEEDED(hr)) {
IShellItemArray *psiaResults;
hr = pfd->GetResults(&psiaResults);
if (SUCCEEDED(hr)) {
hr = psiaResults->GetCount(count);
if (SUCCEEDED(hr)) {
*result = (LPWSTR*)calloc(*count, sizeof(LPWSTR));
if (*result != NULL) {
for (DWORD i = 0; i < *count; i++) {
IShellItem *resultItem = NULL;
hr = psiaResults->GetItemAt(i, &resultItem);
if (SUCCEEDED(hr)) {
resultItem->GetDisplayName(SIGDN_FILESYSPATH, &((*result)[i]));
resultItem->Release();
}
}
// paths now contains selected files
}
}
psiaResults->Release();
}
}
pfd->Release();
}
return hr;
}