reactos/base/shell/explorer/desktop/desktop.h
Timo Kreuzer 9ea495ba33 Create a branch for header work.
svn path=/branches/header-work/; revision=45691
2010-02-26 22:57:55 +00:00

193 lines
4.4 KiB
C++

/*
* Copyright 2003, 2004 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//
// Explorer clone
//
// desktop.h
//
// Martin Fuchs, 09.08.2003
//
#define PM_SET_ICON_ALGORITHM (WM_APP+0x19)
#define PM_GET_ICON_ALGORITHM (WM_APP+0x1A)
#define PM_DISPLAY_VERSION (WM_APP+0x24)
/// subclassed background window behind the visible desktop window
struct BackgroundWindow : public SubclassedWindow
{
typedef SubclassedWindow super;
BackgroundWindow(HWND hwnd);
protected:
LRESULT WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam);
void DrawDesktopBkgnd(HDC hdc);
int _display_version;
};
/// Implementation of the Explorer desktop window
struct DesktopWindow : public Window, public IShellBrowserImpl
{
typedef Window super;
DesktopWindow(HWND hwnd);
~DesktopWindow();
static HWND Create();
virtual HRESULT STDMETHODCALLTYPE GetWindow(HWND* lphwnd)
{
*lphwnd = _hwnd;
return S_OK;
}
virtual HRESULT STDMETHODCALLTYPE QueryActiveShellView(IShellView** ppshv)
{
_pShellView->AddRef();
*ppshv = _pShellView;
return S_OK;
}
virtual HRESULT STDMETHODCALLTYPE GetControlWindow(UINT id, HWND* lphwnd)
{
return E_NOTIMPL;
}
virtual HRESULT STDMETHODCALLTYPE SendControlMsg(UINT id, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT* pret)
{
return E_NOTIMPL;
}
protected:
LRESULT Init(LPCREATESTRUCT pcs);
LRESULT WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam);
IShellView* _pShellView;
WindowHandle _desktopBar;
virtual HRESULT OnDefaultCommand(LPIDA pida);
};
/// OLE drop target for the desktop window
class DesktopDropTarget : public IDropTargetImpl
{
typedef IDropTargetImpl super;
public:
DesktopDropTarget(HWND hTargetWnd) : super(hTargetWnd) {}
virtual bool OnDrop(FORMATETC* pFmtEtc, STGMEDIUM& medium, DWORD *pdwEffect)
{
if (pFmtEtc->cfFormat==CF_HDROP && medium.tymed==TYMED_HGLOBAL) {
HDROP hDrop = (HDROP)GlobalLock(medium.hGlobal);
if (hDrop) {
TCHAR szFileName[MAX_PATH];
UINT cFiles = DragQueryFile(hDrop, 0xFFFFFFFF, NULL, 0);
for(UINT i=0; i<cFiles; ++i) {
DragQueryFile(hDrop, i, szFileName, sizeof(szFileName));
if (DROPEFFECT_COPY & *pdwEffect) {
// copy the file or dir
///@todo Add the code to handle Copy
} else if (DROPEFFECT_MOVE & *pdwEffect) {
// move the file or dir
///@todo Add the code to handle Move
}
}
//DragFinish(hDrop); // base class calls ReleaseStgMedium
}
GlobalUnlock(medium.hGlobal);
}
//@@TreeView_SelectDropTarget(m_hTargetWnd, NULL);
return true; //let base free the medium
}
virtual HRESULT STDMETHODCALLTYPE DragOver(
/* [in] */ DWORD grfKeyState,
/* [in] */ POINTL pt,
/* [out][in] */ DWORD __RPC_FAR *pdwEffect)
{
TVHITTESTINFO hit;
hit.pt = (POINT&)pt;
ScreenToClient(m_hTargetWnd, &hit.pt);
hit.flags = TVHT_ONITEM;
/*@@
HTREEITEM hItem = TreeView_HitTest(m_hTargetWnd,&hit);
if (hItem != NULL)
TreeView_SelectDropTarget(m_hTargetWnd, hItem);
*/
return super::DragOver(grfKeyState, pt, pdwEffect);
}
virtual HRESULT STDMETHODCALLTYPE DragLeave(void)
{
//@@ TreeView_SelectDropTarget(m_hTargetWnd, NULL);
return super::DragLeave();
}
};
/// subclassed ShellView window
struct DesktopShellView : public ExtContextMenuHandlerT<SubclassedWindow>
{
typedef ExtContextMenuHandlerT<SubclassedWindow> super;
DesktopShellView(HWND hwnd, IShellView* pShellView);
~DesktopShellView();
bool InitDragDrop();
protected:
IShellView* _pShellView;
LRESULT WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam);
int Command(int id, int code);
int Notify(int id, NMHDR* pnmh);
bool DoContextMenu(int x, int y);
HRESULT DoDesktopContextMenu(int x, int y);
void PositionIcons(int dir=1);
void refresh();
HWND _hwndListView;
int _icon_algo;
};