reactos/subsys/system/explorer/shell/shellbrowser.h

   1 /*
   2  * Copyright 2003 Martin Fuchs
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19
  20  //
  21  // Explorer clone
  22  //
  23  // shellbrowser.h
  24  //
  25  // Martin Fuchs, 23.07.2003
  26  //
  27
  28 #include "../utility/treedroptarget.h"
  29 #include "../utility/shellbrowserimpl.h"
  30
  31
  32 struct ShellBrowserChild : public ChildWindow, public IShellBrowserImpl
  33 {
  34         typedef ChildWindow super;
  35
  36         ShellBrowserChild(HWND hwnd, const ShellChildWndInfo& info);
  37         ~ShellBrowserChild();
  38
  39         static ShellBrowserChild* create(HWND hmdiclient, const FileChildWndInfo& info)
  40         {
  41 #ifndef _NO_MDI
  42                 ChildWindow* child = ChildWindow::create(hmdiclient, info._pos.rcNormalPosition,
  43                                                                                                         WINDOW_CREATOR_INFO(ShellBrowserChild,ShellChildWndInfo), CLASSNAME_CHILDWND, NULL, &info);
  44 #else
  45                 //TODO: SDI implementation
  46 #endif
  47
  48                 ShowWindow(*child, info._pos.showCmd);
  49
  50                 return static_cast<ShellBrowserChild*>(child);
  51         }
  52
  53         //IOleWindow
  54         STDMETHOD(GetWindow)(HWND* lphwnd)
  55         {
  56                 *lphwnd = _hwnd;
  57                 return S_OK;
  58         }
  59
  60         //IShellBrowser
  61         STDMETHOD(QueryActiveShellView)(IShellView** ppshv)
  62         {
  63                 _pShellView->AddRef();
  64                 *ppshv = _pShellView;
  65                 return S_OK;
  66         }
  67
  68         STDMETHOD(GetControlWindow)(UINT id, HWND* lphwnd)
  69         {
  70                 if (!lphwnd)
  71                         return E_POINTER;
  72
  73                 if (id == FCW_TREE) {
  74                         *lphwnd = _left_hwnd;
  75                         return S_OK;
  76                 }
  77
  78                 HWND hwnd = (HWND)SendMessage(_hWndFrame, PM_GET_CONTROLWINDOW, id, 0);
  79
  80                 if (hwnd) {
  81                         *lphwnd = hwnd;
  82                         return S_OK;
  83                 }
  84
  85                 return E_NOTIMPL;
  86         }
  87
  88         STDMETHOD(SendControlMsg)(UINT id, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT* pret)
  89         {
  90                 if (!pret)
  91                         return E_POINTER;
  92
  93                 HWND hstatusbar = (HWND)SendMessage(_hWndFrame, PM_GET_CONTROLWINDOW, id, 0);
  94
  95                 if (hstatusbar) {
  96                         *pret = ::SendMessage(hstatusbar, uMsg, wParam, lParam);
  97                         return S_OK;
  98                 }
  99
 100                 return E_NOTIMPL;
 101         }
 102
 103 protected:
 104         Root _root;
 105
 106         WindowHandle _hWndFrame;
 107         ShellChildWndInfo _create_info;
 108         ShellFolder     _folder;
 109
 110         IShellView*     _pShellView;    // current hosted shellview
 111         HIMAGELIST      _himlSmall;             // list
 112 //      HIMAGELIST      _himlLarge;             // shell image
 113         TreeDropTarget* _pDropTarget;
 114
 115         HTREEITEM _last_sel;
 116
 117         LRESULT WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam);
 118         int     Notify(int id, NMHDR* pnmh);
 119
 120         LRESULT Init(LPCREATESTRUCT);
 121         void    InitializeTree(/*const FileChildWndInfo& info*/);
 122         int             InsertSubitems(HTREEITEM hParentItem, Entry* entry, IShellFolder* pParentFolder);
 123         bool    InitDragDrop();
 124
 125         HRESULT OnDefaultCommand(LPIDA pIDList);
 126
 127         void    OnTreeGetDispInfo(int idCtrl, LPNMHDR pnmh);
 128         void    OnTreeItemExpanding(int idCtrl, LPNMTREEVIEW pnmtv);
 129         void    OnTreeItemRClick(int idCtrl, LPNMHDR pnmh);
 130         void    OnTreeItemSelected(int idCtrl, LPNMTREEVIEW pnmtv);
 131
 132         void    UpdateFolderView(IShellFolder* folder);
 133         void    Tree_DoItemMenu(HWND hwndTreeView, HTREEITEM hItem, LPPOINT pptScreen);
 134         bool    expand_folder(ShellDirectory* entry);
 135 };