reactos/modules/rosapps/applications/explorer-old/shell/shellbrowser.h

276 lines
6.3 KiB
C++

/*
* Copyright 2003, 2004, 2005 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
//
// shellbrowser.h
//
// Martin Fuchs, 23.07.2003
//
#include "../utility/treedroptarget.h"
#include "../utility/shellbrowserimpl.h"
#include <memory>
/// information structure to hold current shell folder information
struct ShellPathInfo
{
ShellPathInfo(int mode=0) : _open_mode(mode) {}
ShellPathInfo(const ShellChildWndInfo& info)
: _shell_path(info._shell_path),
_root_shell_path(info._root_shell_path),
_open_mode(info._open_mode)
{
}
ShellPath _shell_path;
ShellPath _root_shell_path;
int _open_mode; //OPEN_WINDOW_MODE
};
struct BrowserCallback
{
virtual ~BrowserCallback() {}
virtual void entry_selected(Entry* entry) = 0;
};
/// Implementation of IShellBrowserImpl interface in explorer child windows
struct ShellBrowser : public IShellBrowserImpl,
public IComSrvBase<IShellFolderViewCB, ShellBrowser>, public SimpleComObject
{
ShellBrowser(HWND hwnd, HWND hwndFrame, HWND left_hwnd, WindowHandle& right_hwnd, ShellPathInfo& create_info,
BrowserCallback* cb, CtxMenuInterfaces& cm_ifs);
virtual ~ShellBrowser();
//IOleWindow
virtual HRESULT STDMETHODCALLTYPE GetWindow(HWND* lphwnd)
{
*lphwnd = _hwnd;
return S_OK;
}
//IShellBrowser
virtual HRESULT STDMETHODCALLTYPE QueryActiveShellView(IShellView** ppshv)
{
_pShellView->AddRef();
*ppshv = _pShellView;
return S_OK;
}
virtual HRESULT STDMETHODCALLTYPE GetControlWindow(UINT id, HWND* lphwnd)
{
if (!lphwnd)
return E_POINTER;
if (id == FCW_TREE) {
*lphwnd = _left_hwnd;
return S_OK;
}
HWND hwnd = (HWND)SendMessage(_hwndFrame, PM_GET_CONTROLWINDOW, id, 0);
if (hwnd) {
*lphwnd = hwnd;
return S_OK;
}
return E_NOTIMPL;
}
virtual HRESULT STDMETHODCALLTYPE SendControlMsg(UINT id, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT* pret)
{
if (!pret)
return E_POINTER;
HWND hstatusbar = (HWND)SendMessage(_hwndFrame, PM_GET_CONTROLWINDOW, id, 0);
if (hstatusbar) {
*pret = ::SendMessage(hstatusbar, uMsg, wParam, lParam);
return S_OK;
}
return E_NOTIMPL;
}
const Root& get_root() const {return _root;}
void OnTreeGetDispInfo(int idCtrl, LPNMHDR pnmh);
void OnTreeItemExpanding(int idCtrl, LPNMTREEVIEW pnmtv);
void OnTreeItemRClick(int idCtrl, LPNMHDR pnmh);
void OnTreeItemSelected(int idCtrl, LPNMTREEVIEW pnmtv);
void Init();
int InsertSubitems(HTREEITEM hParentItem, Entry* entry, IShellFolder* pParentFolder);
bool jump_to_pidl(LPCITEMIDLIST pidl);
HRESULT OnDefaultCommand(LPIDA pida);
void UpdateFolderView(IShellFolder* folder);
HTREEITEM select_entry(HTREEITEM hitem, Entry* entry, bool expand=true);
bool select_folder(Entry* entry, bool expand);
// for SDIMainFrame
void jump_to(LPCITEMIDLIST pidl);
void invalidate_cache();
bool TranslateAccelerator(LPMSG lpmsg);
protected:
HWND _hwnd;
HWND _hwndFrame;
HWND _left_hwnd;
WindowHandle& _right_hwnd;
ShellPathInfo& _create_info;
HIMAGELIST _himl;
HIMAGELIST _himl_old;
BrowserCallback* _callback;
ShellFolder _folder;
IShellView* _pShellView; // current hosted shellview
TreeDropTarget* _pDropTarget;
HTREEITEM _last_sel;
Root _root;
ShellDirectory* _cur_dir;
CtxMenuInterfaces& _cm_ifs;
void InitializeTree();
bool InitDragDrop();
typedef IComSrvBase<IShellFolderViewCB, ShellBrowser> super;
// IShellFolderViewCB
virtual HRESULT STDMETHODCALLTYPE MessageSFVCB(UINT uMsg, WPARAM wParam, LPARAM lParam);
map<int, int> _image_map;
int get_image_idx(int icon_id);
void refresh();
};
#define C_DRIVE_STR TEXT("C:\\")
// work around GCC's wide string constant bug
#ifdef __GNUC__
extern const LPCTSTR C_DRIVE;
#else
#define C_DRIVE C_DRIVE_STR
#endif
template<typename BASE> struct ShellBrowserChildT
: public BASE, public BrowserCallback
{
typedef BASE super;
// constructor for SDIMainFrame
ShellBrowserChildT(HWND hwnd)
: super(hwnd)
{
}
// constructor for MDIShellBrowserChild
ShellBrowserChildT(HWND hwnd, const ShellChildWndInfo& info)
: super(hwnd, info)
{
}
protected:
auto_ptr<ShellBrowser> _shellBrowser;
LRESULT WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
switch(nmsg) {
case PM_GET_SHELLBROWSER_PTR:
return (LRESULT)&*_shellBrowser;
case WM_GETISHELLBROWSER: // for Registry Explorer Plugin
return (LRESULT)static_cast<IShellBrowser*>(&*_shellBrowser);
default:
return super::WndProc(nmsg, wparam, lparam);
}
return 0;
}
int Notify(int id, NMHDR* pnmh)
{
if (_shellBrowser.get())
switch(pnmh->code) {
case TVN_GETDISPINFO: _shellBrowser->OnTreeGetDispInfo(id, pnmh); break;
case TVN_SELCHANGED: _shellBrowser->OnTreeItemSelected(id, (LPNMTREEVIEW)pnmh); break;
case TVN_ITEMEXPANDING: _shellBrowser->OnTreeItemExpanding(id, (LPNMTREEVIEW)pnmh); break;
case NM_RCLICK: _shellBrowser->OnTreeItemRClick(id, pnmh); break;
default: return super::Notify(id, pnmh);
}
else
return super::Notify(id, pnmh);
return 0;
}
};
#ifndef _NO_MDI
struct MDIShellBrowserChild : public ExtContextMenuHandlerT<
ShellBrowserChildT<ChildWindow>
>
{
typedef ExtContextMenuHandlerT<
ShellBrowserChildT<ChildWindow>
> super;
MDIShellBrowserChild(HWND hwnd, const ShellChildWndInfo& info);
static MDIShellBrowserChild* create(const ShellChildWndInfo& info);
LRESULT Init(LPCREATESTRUCT);
virtual String jump_to_int(LPCTSTR url);
protected:
ShellChildWndInfo _create_info;
ShellPathInfo _shellpath_info;
LRESULT WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam);
void update_shell_browser();
// interface BrowserCallback
virtual void entry_selected(Entry* entry);
};
#endif