ShellBrowserImpl::OnDefaultCommand()

svn path=/trunk/; revision=6186

reactos/subsys/system/explorer/utility/shellbrowserimpl.cpp

@@ -0,0 +1,99 @@
+/*
+ * Copyright 2003 Martin Fuchs
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+ //
+ // Explorer clone
+ // 
+ // shellbrowserimpl.cpp
+ //
+ // Martin Fuchs, 28.09.2003
+ //
+ // Credits: Thanks to Leon Finker for his explorer window example
+ //
+
+
+#include "utility.h"
+#include "shellclasses.h"
+#include "shellbrowserimpl.h"
+
+
+HRESULT IShellBrowserImpl::QueryInterface(REFIID iid, void** ppvObject)
+{
+	if (!ppvObject)
+		return E_POINTER;
+
+	if (iid == IID_IUnknown)
+		*ppvObject = (IUnknown*)static_cast<IShellBrowser*>(this);
+	else if (iid == IID_IOleWindow)
+		*ppvObject = static_cast<IOleWindow*>(this);
+	else if (iid == IID_IShellBrowser)
+		*ppvObject = static_cast<IShellBrowser*>(this);
+	else if (iid == IID_ICommDlgBrowser)
+		*ppvObject = static_cast<ICommDlgBrowser*>(this);
+	else {
+		*ppvObject = NULL;
+		return E_NOINTERFACE;
+	}
+
+	return S_OK;
+}
+
+
+ // process default command: look for folders and traverse into them
+HRESULT IShellBrowserImpl::OnDefaultCommand(IShellView* ppshv)
+{
+	static UINT CF_IDLIST = RegisterClipboardFormat(CFSTR_SHELLIDLIST);
+
+	IDataObject* selection;
+	HRESULT hr = ppshv->GetItemObject(SVGIO_SELECTION, IID_IDataObject, (void**)&selection);
+	if (FAILED(hr))
+		return hr;
+
+
+    FORMATETC fetc;
+    fetc.cfFormat = CF_IDLIST;
+    fetc.ptd = NULL;
+    fetc.dwAspect = DVASPECT_CONTENT;
+    fetc.lindex = -1;
+    fetc.tymed = TYMED_HGLOBAL;
+
+    hr = selection->QueryGetData(&fetc);
+	if (FAILED(hr))
+		return hr;
+
+
+	STGMEDIUM stgm = {sizeof(STGMEDIUM), {0}, 0};
+
+    hr = selection->GetData(&fetc, &stgm);
+	if (FAILED(hr))
+		return hr;
+
+    DWORD pData = (DWORD)GlobalLock(stgm.hGlobal);
+	LPIDA pIDList = (LPIDA)pData;
+
+	HRESULT ret = OnDefaultCommand(pIDList);
+
+	GlobalUnlock(stgm.hGlobal);
+    ReleaseStgMedium(&stgm);
+
+
+	selection->Release();
+
+	return ret;
+}

reactos/subsys/system/explorer/utility/shellbrowserimpl.h

@@ -35,26 +35,7 @@ struct IShellBrowserImpl : public IShellBrowser, public ICommDlgBrowser
 	{
 	}
 
-	STDMETHOD(QueryInterface)(REFIID iid, void **ppvObject)
+	STDMETHOD(QueryInterface)(REFIID iid, void** ppvObject);
-	{
-		if (!ppvObject)
-			return E_POINTER;
-
-		if (iid == IID_IUnknown)
-			*ppvObject = (IUnknown*)static_cast<IShellBrowser*>(this);
-		else if (iid == IID_IOleWindow)
-			*ppvObject = static_cast<IOleWindow*>(this);
-		else if (iid == IID_IShellBrowser)
-			*ppvObject = static_cast<IShellBrowser*>(this);
-		else if (iid == IID_ICommDlgBrowser)
-			*ppvObject = static_cast<ICommDlgBrowser*>(this);
-		else {
-			*ppvObject = NULL;
-			return E_NOINTERFACE;
-		}
-
-		return S_OK;
-	}
 
 	STDMETHOD_(ULONG, AddRef)() {return ++_dwRef;}
 	STDMETHOD_(ULONG, Release)() {return --_dwRef;}  //not heap based
@@ -63,35 +44,34 @@ struct IShellBrowserImpl : public IShellBrowser, public ICommDlgBrowser
     STDMETHOD(ContextSensitiveHelp)(BOOL fEnterMode) {return E_NOTIMPL;}
 
 	// *** ICommDlgBrowser methods ***
-    STDMETHOD(OnDefaultCommand)(struct IShellView* ppshv)
+    STDMETHOD(OnDefaultCommand)(IShellView* ppshv);
-	{
-		return E_NOTIMPL;
-	}
 
-    STDMETHOD(OnStateChange)(struct IShellView* ppshv, ULONG uChange)
+    STDMETHOD(OnStateChange)(IShellView* ppshv, ULONG uChange)
 	{	//handle selection, rename, focus if needed
 		return E_NOTIMPL;
 	}
 
-    STDMETHOD(IncludeObject)(struct IShellView* ppshv, LPCITEMIDLIST pidl)
+    STDMETHOD(IncludeObject)(IShellView* ppshv, LPCITEMIDLIST pidl)
 	{	//filter files if needed
 		return S_OK;
 	}
 
     // *** IShellBrowser methods *** (same as IOleInPlaceFrame)
     STDMETHOD(InsertMenusSB)(HMENU hmenuShared, LPOLEMENUGROUPWIDTHS lpMenuWidths) {return E_NOTIMPL;}
-    STDMETHOD(SetMenuSB)(HMENU hmenuShared, HOLEMENU holemenuReserved,HWND hwndActiveObject) {return E_NOTIMPL;}
+    STDMETHOD(SetMenuSB)(HMENU hmenuShared, HOLEMENU holemenuReserved, HWND hwndActiveObject) {return E_NOTIMPL;}
     STDMETHOD(RemoveMenusSB)(HMENU hmenuShared) {return E_NOTIMPL;}
     STDMETHOD(SetStatusTextSB)(LPCOLESTR lpszStatusText) {return E_NOTIMPL;}
     STDMETHOD(EnableModelessSB)(BOOL fEnable) {return E_NOTIMPL;}
 	STDMETHOD(BrowseObject)(LPCITEMIDLIST pidl, UINT wFlags) {return E_NOTIMPL;}
-	STDMETHOD(GetViewStateStream)(DWORD grfMode,LPSTREAM  *ppStrm) {return E_NOTIMPL;}
+	STDMETHOD(GetViewStateStream)(DWORD grfMode, LPSTREAM* ppStrm) {return E_NOTIMPL;}
-	STDMETHOD(OnViewWindowActive)(struct IShellView *ppshv) {return E_NOTIMPL;}
+	STDMETHOD(OnViewWindowActive)(IShellView* ppshv) {return E_NOTIMPL;}
-	STDMETHOD(SetToolbarItems)(LPTBBUTTON lpButtons, UINT nButtons,UINT uFlags) {return E_NOTIMPL;}
+	STDMETHOD(SetToolbarItems)(LPTBBUTTON lpButtons, UINT nButtons, UINT uFlags) {return E_NOTIMPL;}
 	STDMETHOD(TranslateAcceleratorSB)(LPMSG lpmsg, WORD wID) {return S_OK;}
 
 protected:
 	DWORD	_dwRef;
+
+	virtual HRESULT OnDefaultCommand(LPIDA pIDList) {return E_NOTIMPL;}
 };
 
 #ifndef WM_GETISHELLBROWSER