Ejemplo n.º 1
0
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);
	}
Ejemplo n.º 4
0
//-----------------------------------------------------------------------------
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);
}
Ejemplo n.º 5
-1
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;
}