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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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/>.
*
*/
// We cannot use common/scummsys.h directly as it will include
// windows.h and we need to do it by hand to allow excluded functions
#if defined(HAVE_CONFIG_H)
#include "config.h"
#endif
#if defined(WIN32) && defined(USE_SYSDIALOGS)
// HACK: To get __MINGW64_VERSION_foo defines we need to manually include
// _mingw.h in this file because we do not include any system headers at this
// point on purpose. The defines are required to detect whether this is a
// classic MinGW toolchain or a MinGW-w64 based one.
#if defined(__MINGW32__)
#include <_mingw.h>
#endif
// Needed for dialog functions
// HACK: MinGW-w64 based toolchains include the symbols we require in their
// headers. The 32 bit incarnation only defines __MINGW32__. This leads to
// build breakage due to clashes with our compat header. Luckily MinGW-w64
// based toolchains define __MINGW64_VERSION_foo macros inside _mingw.h,
// which is included from all system headers. Thus we abuse that to detect
// them.
#if defined(__GNUC__) && defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
#include "backends/dialogs/win32/mingw-compat.h"
#else
// We use functionality introduced with Vista in this file.
// To assure that including the respective system headers gives us all
// required definitions we set Vista as minimum version we target.
// See: https://docs.microsoft.com/en-us/windows/win32/winprog/using-the-windows-headers#macros-for-conditional-declarations
#include <sdkddkver.h>
#undef _WIN32_WINNT
#define _WIN32_WINNT _WIN32_WINNT_VISTA
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#include <shlobj.h>
#include "common/scummsys.h"
#include "backends/dialogs/win32/win32-dialogs.h"
#include "backends/platform/sdl/win32/win32_wrapper.h"
#include "backends/platform/sdl/win32/win32-window.h"
#include "common/config-manager.h"
#include "common/translation.h"
Win32DialogManager::Win32DialogManager(SdlWindow_Win32 *window) : _window(window) {
CoInitialize(nullptr);
}
Win32DialogManager::~Win32DialogManager() {
CoUninitialize();
}
// Wrapper for old Windows versions
HRESULT winCreateItemFromParsingName(PCWSTR pszPath, IBindCtx *pbc, REFIID riid, void **ppv) {
typedef HRESULT(WINAPI *SHFunc)(PCWSTR, IBindCtx *, REFIID, void **);
SHFunc func = (SHFunc)(void *)GetProcAddress(GetModuleHandle(TEXT("shell32.dll")), "SHCreateItemFromParsingName");
if (func == nullptr)
return E_NOTIMPL;
return func(pszPath, pbc, riid, ppv);
}
HRESULT getShellPath(IShellItem *item, Common::Path &path) {
LPWSTR name = nullptr;
HRESULT hr = item->GetDisplayName(SIGDN_FILESYSPATH, &name);
if (SUCCEEDED(hr)) {
char *str = Win32::unicodeToAnsi(name);
path = Common::Path(str, Common::Path::kNativeSeparator);
CoTaskMemFree(name);
free(str);
}
return hr;
}
Common::DialogManager::DialogResult Win32DialogManager::showFileBrowser(const Common::U32String &title, Common::FSNode &choice, bool isDirBrowser) {
DialogResult result = kDialogError;
// Do nothing if not running on Windows Vista or later
if (!Win32::confirmWindowsVersion(6, 0))
return result;
IFileOpenDialog *dialog = nullptr;
HRESULT hr = CoCreateInstance(CLSID_FileOpenDialog,
nullptr,
CLSCTX_INPROC_SERVER,
IID_IFileOpenDialog,
reinterpret_cast<void **> (&(dialog)));
if (SUCCEEDED(hr)) {
beginDialog();
// Customize dialog
bool showHidden = ConfMan.getBool("gui_browser_show_hidden", Common::ConfigManager::kApplicationDomain);
DWORD dwOptions;
hr = dialog->GetOptions(&dwOptions);
if (SUCCEEDED(hr)) {
if (isDirBrowser)
dwOptions |= FOS_PICKFOLDERS;
if (showHidden)
dwOptions |= FOS_FORCESHOWHIDDEN;
hr = dialog->SetOptions(dwOptions);
}
LPWSTR dialogTitle = (LPWSTR)title.encodeUTF16Native();
hr = dialog->SetTitle(dialogTitle);
free(dialogTitle);
LPWSTR okTitle = (LPWSTR)_("Choose").encodeUTF16Native();
hr = dialog->SetOkButtonLabel(okTitle);
free(okTitle);
LPWSTR str;
if (ConfMan.hasKey("browser_lastpath")) {
str = Win32::ansiToUnicode(ConfMan.getPath("browser_lastpath").toString(Common::Path::kNativeSeparator).c_str());
IShellItem *item = nullptr;
hr = winCreateItemFromParsingName(str, nullptr, IID_IShellItem, reinterpret_cast<void **> (&(item)));
if (SUCCEEDED(hr)) {
hr = dialog->SetDefaultFolder(item);
}
free(str);
}
// Show dialog
hr = dialog->Show(_window->getHwnd());
if (SUCCEEDED(hr)) {
// Get the selection from the user
IShellItem *selectedItem = nullptr;
hr = dialog->GetResult(&selectedItem);
if (SUCCEEDED(hr)) {
Common::Path path;
hr = getShellPath(selectedItem, path);
if (SUCCEEDED(hr)) {
choice = Common::FSNode(path);
result = kDialogOk;
}
selectedItem->Release();
}
// Save last path
IShellItem *lastFolder = nullptr;
hr = dialog->GetFolder(&lastFolder);
if (SUCCEEDED(hr)) {
Common::Path path;
hr = getShellPath(lastFolder, path);
if (SUCCEEDED(hr)) {
ConfMan.setPath("browser_lastpath", path);
}
lastFolder->Release();
}
}
else if (hr == HRESULT_FROM_WIN32(ERROR_CANCELLED)) {
result = kDialogCancel;
}
dialog->Release();
endDialog();
}
return result;
}
#endif
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