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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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
// 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://msdn.microsoft.com/en-us/library/windows/desktop/aa383745%28v=vs.85%29.aspx#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/system.h"
#include "common/events.h"
#include "common/translation.h"
Win32DialogManager::Win32DialogManager(SdlWindow_Win32 *window) : _window(window) {
CoInitialize(NULL);
}
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)GetProcAddress(GetModuleHandle(TEXT("shell32.dll")), "SHCreateItemFromParsingName");
if (func == NULL)
return E_NOTIMPL;
return func(pszPath, pbc, riid, ppv);
}
HRESULT getShellPath(IShellItem *item, Common::String &path) {
LPWSTR name = NULL;
HRESULT hr = item->GetDisplayName(SIGDN_FILESYSPATH, &name);
if (SUCCEEDED(hr)) {
char *str = Win32::unicodeToAnsi(name);
path = Common::String(str);
CoTaskMemFree(name);
delete[] str;
}
return hr;
}
Common::DialogManager::DialogResult Win32DialogManager::showFileBrowser(const char *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 = NULL;
HRESULT hr = CoCreateInstance(CLSID_FileOpenDialog,
NULL,
CLSCTX_INPROC_SERVER,
IID_IFileOpenDialog,
reinterpret_cast<void **> (&(dialog)));
if (SUCCEEDED(hr)) {
// If in fullscreen mode, switch to windowed mode
bool wasFullscreen = g_system->getFeatureState(OSystem::kFeatureFullscreenMode);
if (wasFullscreen) {
g_system->beginGFXTransaction();
g_system->setFeatureState(OSystem::kFeatureFullscreenMode, false);
g_system->endGFXTransaction();
}
// 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 str = Win32::ansiToUnicode(title, Win32::getCurrentCharset());
hr = dialog->SetTitle(str);
delete[] str;
str = Win32::ansiToUnicode(_("Choose"), Win32::getCurrentCharset());
hr = dialog->SetOkButtonLabel(str);
delete[] str;
if (ConfMan.hasKey("browser_lastpath")) {
str = Win32::ansiToUnicode(ConfMan.get("browser_lastpath").c_str());
IShellItem *item = NULL;
hr = winCreateItemFromParsingName(str, NULL, IID_IShellItem, reinterpret_cast<void **> (&(item)));
if (SUCCEEDED(hr)) {
hr = dialog->SetDefaultFolder(item);
}
delete[] str;
}
// Show dialog
hr = dialog->Show(_window->getHwnd());
if (SUCCEEDED(hr)) {
// Get the selection from the user
IShellItem *selectedItem = NULL;
hr = dialog->GetResult(&selectedItem);
if (SUCCEEDED(hr)) {
Common::String path;
hr = getShellPath(selectedItem, path);
if (SUCCEEDED(hr)) {
choice = Common::FSNode(path);
result = kDialogOk;
}
selectedItem->Release();
}
// Save last path
IShellItem *lastFolder = NULL;
hr = dialog->GetFolder(&lastFolder);
if (SUCCEEDED(hr)) {
Common::String path;
hr = getShellPath(lastFolder, path);
if (SUCCEEDED(hr)) {
ConfMan.set("browser_lastpath", path);
}
lastFolder->Release();
}
}
else if (hr == HRESULT_FROM_WIN32(ERROR_CANCELLED)) {
result = kDialogCancel;
}
dialog->Release();
// If we were in fullscreen mode, switch back
if (wasFullscreen) {
g_system->beginGFXTransaction();
g_system->setFeatureState(OSystem::kFeatureFullscreenMode, true);
g_system->endGFXTransaction();
}
}
return result;
}
#endif
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