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Windows native dialogs: Handle libraries.

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Task-number: QTBUG-29447

Change-Id: I4e68e546a4eb6b5f9c3dbe6d98905109e72e600a
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
This commit is contained in:
Friedemann Kleint 2013-02-25 16:34:37 +01:00 committed by The Qt Project
parent 34b870e4b5
commit 26149d057a
1 changed files with 115 additions and 6 deletions
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121
src/plugins/platforms/windows/qwindowsdialoghelpers.cpp
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@ -86,6 +86,8 @@ static const IID q_IID_IShellItem = {0x43826d1e, 0xe718, 0x42ee, {0xbc, 0
#define IID_IShellItem q_IID_IShellItem
#else
static const IID IID_IShellItem = {0x43826d1e, 0xe718, 0x42ee, {0xbc, 0x55, 0xa1, 0xe2, 0x61, 0xc3, 0x7b, 0xfe}};
static const IID IID_IShellItemArray = {0xb63ea76d, 0x1f85, 0x456f, {0xa1, 0x9c, 0x48, 0x15, 0x9e, 0xfa, 0x85, 0x8b}};
# define LFF_FORCEFILESYSTEM 1
#endif
static const IID IID_IFileDialogEvents = {0x973510db, 0x7d7f, 0x452b,{0x89, 0x75, 0x74, 0xa8, 0x58, 0x28, 0xd3, 0x54}};
static const CLSID CLSID_FileOpenDialog = {0xdc1c5a9c, 0xe88a, 0x4dde, {0xa5, 0xa1, 0x60, 0xf8, 0x2a, 0x20, 0xae, 0xf7}};
@ -253,6 +255,34 @@ DECLARE_INTERFACE_(IShellItemArray, IUnknown)
};
#endif
#ifndef __IShellLibrary_INTERFACE_DEFINED__
enum LIBRARYOPTIONFLAGS {};
enum DEFAULTSAVEFOLDERTYPE { DSFT_DETECT = 1 };
enum LIBRARYSAVEFLAGS {};
DECLARE_INTERFACE_(IShellLibrary, IUnknown)
{
STDMETHOD(LoadLibraryFromItem)(THIS_ IShellItem *psiLibrary, DWORD grfMode) PURE;
STDMETHOD(LoadLibraryFromKnownFolder)(THIS_ const GUID &kfidLibrary, DWORD grfMode) PURE;
STDMETHOD(AddFolder)(THIS_ IShellItem *psiLocation) PURE;
STDMETHOD(RemoveFolder)(THIS_ IShellItem *psiLocation) PURE;
STDMETHOD(GetFolders)(THIS_ int lff, REFIID riid, void **ppv) PURE;
STDMETHOD(ResolveFolder)(THIS_ IShellItem *psiFolderToResolve, DWORD dwTimeout, REFIID riid, void **ppv) PURE;
STDMETHOD(GetDefaultSaveFolder)(THIS_ DEFAULTSAVEFOLDERTYPE dsft, REFIID riid, void **ppv) PURE;
STDMETHOD(SetDefaultSaveFolder)(THIS_ DEFAULTSAVEFOLDERTYPE dsft, IShellItem *psi) PURE;
STDMETHOD(GetOptions)(THIS_ LIBRARYOPTIONFLAGS *plofOptions) PURE;
STDMETHOD(SetOptions)(THIS_ LIBRARYOPTIONFLAGS lofMask, LIBRARYOPTIONFLAGS lofOptions) PURE;
STDMETHOD(GetFolderType)(THIS_ GUID *pftid) PURE;
STDMETHOD(SetFolderType)(THIS_ const GUID &ftid) PURE;
STDMETHOD(GetIcon)(THIS_ LPWSTR *ppszIcon) PURE;
STDMETHOD(SetIcon)(THIS_ LPCWSTR pszIcon) PURE;
STDMETHOD(Commit)(THIS_) PURE;
STDMETHOD(Save)(THIS_ IShellItem *psiFolderToSaveIn, LPCWSTR pszLibraryName, LIBRARYSAVEFLAGS lsf, IShellItem **ppsiSavedTo) PURE;
STDMETHOD(SaveInKnownFolder)(THIS_ const GUID &kfidToSaveIn, LPCWSTR pszLibraryName, LIBRARYSAVEFLAGS lsf,IShellItem **ppsiSavedTo) PURE;
};
#endif
#ifndef __IModalWindow_INTERFACE_DEFINED__
DECLARE_INTERFACE_(IModalWindow, IUnknown)
{
@ -829,6 +859,8 @@ protected:
bool init(const CLSID &clsId, const IID &iid);
inline IFileDialog * fileDialog() const { return m_fileDialog; }
static QString itemPath(IShellItem *item);
static QStringList libraryItemFolders(IShellItem *item);
static QString libraryItemDefaultSaveFolder(IShellItem *item);
static int itemPaths(IShellItemArray *items, QStringList *fileResult = 0);
static IShellItem *shellItem(const QString &path);
@ -972,17 +1004,94 @@ void QWindowsNativeFileDialogBase::setMode(QFileDialogOptions::FileMode mode, QF
qErrnoWarning("%s: SetOptions() failed", __FUNCTION__);
}
QString QWindowsNativeFileDialogBase::itemPath(IShellItem *item)
#ifndef Q_OS_WINCE
// Helper for "Libraries": collections of folders appearing from Windows 7
// on, visible in the file dialogs.
// Load a library from a IShellItem (sanitized copy of the inline function
// SHLoadLibraryFromItem from ShObjIdl.h, which does not exist for MinGW).
static IShellLibrary *sHLoadLibraryFromItem(IShellItem *libraryItem, DWORD mode)
{
QString result;
LPWSTR name = 0;
if (SUCCEEDED(item->GetDisplayName(SIGDN_FILESYSPATH, &name))) {
result = QDir::cleanPath(QString::fromWCharArray(name));
CoTaskMemFree(name);
// ID symbols present from Windows 7 on:
static const CLSID classId_ShellLibrary = {0xd9b3211d, 0xe57f, 0x4426, {0xaa, 0xef, 0x30, 0xa8, 0x6, 0xad, 0xd3, 0x97}};
static const IID iId_IShellLibrary = {0x11a66efa, 0x382e, 0x451a, {0x92, 0x34, 0x1e, 0xe, 0x12, 0xef, 0x30, 0x85}};
IShellLibrary *helper = 0;
IShellLibrary *result = 0;
if (SUCCEEDED(CoCreateInstance(classId_ShellLibrary, NULL, CLSCTX_INPROC_SERVER, iId_IShellLibrary, reinterpret_cast<void **>(&helper))))
if (SUCCEEDED(helper->LoadLibraryFromItem(libraryItem, mode)))
helper->QueryInterface(iId_IShellLibrary, reinterpret_cast<void **>(&result));
if (helper)
helper->Release();
return result;
}
// Return all folders of a library-type item.
QStringList QWindowsNativeFileDialogBase::libraryItemFolders(IShellItem *item)
{
QStringList result;
if (IShellLibrary *library = sHLoadLibraryFromItem(item, STGM_READ | STGM_SHARE_DENY_WRITE)) {
IShellItemArray *itemArray = 0;
if (SUCCEEDED(library->GetFolders(LFF_FORCEFILESYSTEM, IID_IShellItemArray, reinterpret_cast<void **>(&itemArray)))) {
QWindowsNativeFileDialogBase::itemPaths(itemArray, &result);
itemArray->Release();
}
library->Release();
}
return result;
}
// Return default save folders of a library-type item.
QString QWindowsNativeFileDialogBase::libraryItemDefaultSaveFolder(IShellItem *item)
{
QString result;
if (IShellLibrary *library = sHLoadLibraryFromItem(item, STGM_READ | STGM_SHARE_DENY_WRITE)) {
IShellItem *item = 0;
if (SUCCEEDED(library->GetDefaultSaveFolder(DSFT_DETECT, IID_IShellItem, reinterpret_cast<void **>(&item)))) {
result = QWindowsNativeFileDialogBase::itemPath(item);
item->Release();
}
library->Release();
}
return result;
}
#else // !Q_OS_WINCE
QStringList QWindowsNativeFileDialogBase::libraryItemPaths(IShellItem *)
{
return QStringList();
}
QString QWindowsNativeFileDialogBase::libraryDefaultSaveFolder(IShellItem *)
{
return QString();
}
#endif // Q_OS_WINCE
QString QWindowsNativeFileDialogBase::itemPath(IShellItem *item)
{
SFGAOF attributes = 0;
// Check whether it has a file system representation?
if (FAILED(item->GetAttributes(SFGAO_FILESYSTEM, &attributes)))
return QString();
if (attributes & SFGAO_FILESYSTEM) {
LPWSTR name = 0;
QString result;
if (SUCCEEDED(item->GetDisplayName(SIGDN_FILESYSPATH, &name))) {
result = QDir::cleanPath(QString::fromWCharArray(name));
CoTaskMemFree(name);
}
return result;
}
// Check for a "Library" item
if ((QSysInfo::windowsVersion() & QSysInfo::WV_NT_based) && QSysInfo::windowsVersion() >= QSysInfo::WV_WINDOWS7)
return QWindowsNativeFileDialogBase::libraryItemDefaultSaveFolder(item);
return QString();
}
int QWindowsNativeFileDialogBase::itemPaths(IShellItemArray *items,
QStringList *result /* = 0 */)
{