mainframe.cpp

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/*
 * 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
 //
 // mainframe.cpp
 //
 // Martin Fuchs, 23.07.2003
 //


#include <precomp.h>

/* We can't include webchild.h here - otherwise MinGW produces errors like: "multiple definition of `QACONTAINERFLAGS'"
#include "webchild.h"
*/
extern HWND create_webchildwindow(const WebChildWndInfo& info);

#include "../resource.h"

#include "../dialogs/settings.h"    // for MdiSdiDlg

//#define _NO_REBAR

HWND MainFrameBase::Create(const ExplorerCmd& cmd)
{
    HWND hFrame;

#ifndef _NO_MDI
    if (cmd._mdi)
        hFrame = MDIMainFrame::Create();
    else
#endif
        hFrame = SDIMainFrame::Create();

    if (hFrame) {
        HWND hwndOld = g_Globals._hMainWnd;

        g_Globals._hMainWnd = hFrame;

        if (hwndOld)
            DestroyWindow(hwndOld);

        ShowWindow(hFrame, cmd._cmdShow);
        UpdateWindow(hFrame);

         // Open the first child window after initializing the application
        if (cmd.IsValidPath()) {
             // We use the static s_path variable to store the path string in order
             // to avoid accessing prematurely freed memory in the PostMessage handlers.
            static String s_path = cmd._path;

            PostMessage(hFrame, PM_OPEN_WINDOW, cmd._flags, (LPARAM)(LPCTSTR)s_path);
        } else
            PostMessage(hFrame, PM_OPEN_WINDOW, OWM_EXPLORE|OWM_DETAILS, 0);
    }

    return hFrame;
}


int MainFrameBase::OpenShellFolders(LPIDA pida, HWND hFrameWnd)
{
    int cnt = 0;

    LPCITEMIDLIST parent_pidl = (LPCITEMIDLIST) ((LPBYTE)pida+pida->aoffset[0]);
    ShellFolder folder(parent_pidl);
    LOG(FmtString(TEXT("MainFrameBase::OpenShellFolders(): parent_pidl=%s"), (LPCTSTR)FileSysShellPath(parent_pidl)));

    for(int i=pida->cidl; i>0; --i) {
        LPCITEMIDLIST pidl = (LPCITEMIDLIST) ((LPBYTE)pida+pida->aoffset[i]);

        SFGAOF attribs = SFGAO_FOLDER;
        HRESULT hr = folder->GetAttributesOf(1, &pidl, &attribs);

        if (SUCCEEDED(hr))
            if (attribs & SFGAO_FOLDER) {
                try {
                    XMLPos explorer_options = g_Globals.get_cfg("general/explorer");

                    bool mdi = XMLBool(explorer_options, "mdi", true);
                    bool separateFolders = XMLBool(explorer_options, "separate-folders", false);

                    ShellPath pidl_abs = ShellPath(pidl).create_absolute_pidl(parent_pidl);
                    LOG(FmtString(TEXT("MainFrameBase::OpenShellFolders(): pidl_abs=%s"), (LPCTSTR)FileSysShellPath(pidl_abs)));

                    if (hFrameWnd && (mdi || !separateFolders)) {
                        int flags = OWM_PIDL;

                        if (separateFolders)
                            flags |= OWM_SEPARATE;

                        if (SendMessage(hFrameWnd, PM_OPEN_WINDOW, flags, (LPARAM)(LPCITEMIDLIST)pidl_abs))
                            ++cnt;
                    } else {
                        HWND hwnd;
#ifndef _NO_MDI
                        if (mdi)
                            hwnd = MDIMainFrame::Create(pidl_abs, 0);
                        else
#endif
                            hwnd = SDIMainFrame::Create(pidl_abs, 0);

                        if (hwnd)
                            ++cnt;
                    }
                } catch(COMException& e) {
                    HandleException(e, g_Globals._hMainWnd);
                }
            }/*TEST
            else { // !(attribs & SFGAO_FOLDER))
                SHELLEXECUTEINFOA shexinfo;

                shexinfo.cbSize = sizeof(SHELLEXECUTEINFOA);
                shexinfo.fMask = SEE_MASK_INVOKEIDLIST;
                shexinfo.hwnd = NULL;
                shexinfo.lpVerb = NULL;
                shexinfo.lpFile = NULL;
                shexinfo.lpParameters = NULL;
                shexinfo.lpDirectory = NULL;
                shexinfo.nShow = SW_NORMAL;
                shexinfo.lpIDList = ILCombine(parent_pidl, pidl);

                if (ShellExecuteExA(&shexinfo))
                    ++cnt;

                ILFree((LPITEMIDLIST)shexinfo.lpIDList);
            }*/
    }

    return cnt;
}


MainFrameBase::MainFrameBase(HWND hwnd)
 :  super(hwnd)
{
    HDC hDC = GetDC(NULL);
#ifndef _NO_REBAR
    //static TCHAR Title1[] = TEXT("Toolbar");
    static TCHAR Title2[] = TEXT("Address :");
#endif

    if (hDC)
    {
        DWORD ilMask;
        INT bpp = GetDeviceCaps(hDC, BITSPIXEL);
        ReleaseDC(NULL, hDC);

        if (bpp <= 4)
            ilMask = ILC_COLOR4;
        else if (bpp <= 8)
            ilMask = ILC_COLOR8;
        else if (bpp <= 16)
            ilMask = ILC_COLOR16;
        else if (bpp <= 24)
            ilMask = ILC_COLOR24;
        else if (bpp <= 32)
            ilMask = ILC_COLOR32;
        else
            ilMask = ILC_COLOR;

        ilMask |= ILC_MASK;

        _himl = ImageList_Create(GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), ilMask, 2, 0);
    }

    _hMenuFrame = GetMenu(hwnd);
    _hMenuWindow = GetSubMenu(_hMenuFrame, GetMenuItemCount(_hMenuFrame)-3);

    _menu_info._hMenuView = GetSubMenu(_hMenuFrame, 1);

    _hAccel = LoadAccelerators(g_Globals._hInstance, MAKEINTRESOURCE(IDA_EXPLORER));


    TBBUTTON toolbarBtns[] = {
#ifdef _NO_REBAR
        {0, 0, 0, BTNS_SEP, {0, 0}, 0, 0},
#endif
        {7, ID_GO_BACK, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
        {8, ID_GO_FORWARD, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
        {9, ID_GO_UP, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
        {10, ID_GO_HOME, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
        {11, ID_GO_SEARCH, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
        {12, ID_REFRESH, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
        {13, ID_STOP, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0}
    };

    _htoolbar = CreateToolbarEx(hwnd,
#ifndef _NO_REBAR
        CCS_NOPARENTALIGN|CCS_NORESIZE|CCS_NODIVIDER|
#endif
        WS_CHILD|TBSTYLE_FLAT|WS_VISIBLE, IDW_TOOLBAR, 2, g_Globals._hInstance, IDB_TOOLBAR,
        toolbarBtns, sizeof(toolbarBtns)/sizeof(TBBUTTON),
        16, 16, 16, 16, sizeof(TBBUTTON));

    CheckMenuItem(_menu_info._hMenuView, ID_VIEW_TOOL_BAR, MF_BYCOMMAND|MF_CHECKED);


     // address bar 
    _haddrcombo = CreateWindowEx(0,
                                WC_COMBOBOX,
                                TEXT("Address"),
                                WS_CHILD|WS_TABSTOP|WS_BORDER|WS_VISIBLE|CBS_DROPDOWN|
                                CCS_NOPARENTALIGN|CCS_NORESIZE|CCS_NODIVIDER|CCS_NOMOVEY,
                                0, 0, 0, 0,
                                hwnd,
                                (HMENU)IDW_ADDRESSBAR,
                                g_Globals._hInstance,
                                0);

    HFONT hFont = (HFONT)GetStockObject(ANSI_VAR_FONT);
    SendMessageW(_haddrcombo, WM_SETFONT, (WPARAM)hFont, 0);


    _hstatusbar = CreateStatusWindow(WS_CHILD|WS_VISIBLE, 0, hwnd, IDW_STATUSBAR);
    CheckMenuItem(_menu_info._hMenuView, ID_VIEW_STATUSBAR, MF_BYCOMMAND|MF_CHECKED);

    _hsidebar = CreateWindowEx(WS_EX_STATICEDGE, WC_TREEVIEW, TEXT("Sidebar"),
                    WS_CHILD|WS_TABSTOP|WS_BORDER|/*WS_VISIBLE|*/TVS_HASLINES|TVS_HASBUTTONS|TVS_SHOWSELALWAYS|TVS_INFOTIP,
                    -1, -1, 200, 0, _hwnd, (HMENU)IDW_SIDEBAR, g_Globals._hInstance, 0);

    _himl_old = TreeView_SetImageList(_hsidebar, _himl, TVSIL_NORMAL);

    CheckMenuItem(_menu_info._hMenuView, ID_VIEW_SIDE_BAR, MF_BYCOMMAND|MF_UNCHECKED/*MF_CHECKED*/);


     // create rebar window to manage toolbar and drivebar
#ifndef _NO_REBAR
    _hwndrebar = CreateWindowEx(WS_EX_TOOLWINDOW,
                                REBARCLASSNAME,
                                NULL,
                                WS_CHILD|WS_VISIBLE|WS_BORDER|WS_CLIPSIBLINGS|WS_CLIPCHILDREN|
                                 RBS_VARHEIGHT|RBS_DBLCLKTOGGLE| RBS_AUTOSIZE|RBS_BANDBORDERS,
                                0, 0, 0, 0,
                                _hwnd,
                                NULL,
                                g_Globals._hInstance,
                                0);

    int btn_hgt = HIWORD(SendMessage(_htoolbar, TB_GETBUTTONSIZE, 0, 0));

    REBARBANDINFO rbBand;

    rbBand.cbSize = sizeof(REBARBANDINFO);
    rbBand.fMask  = RBBIM_TEXT|RBBIM_STYLE|RBBIM_CHILD|RBBIM_CHILDSIZE|RBBIM_SIZE;
    rbBand.fStyle = RBBS_CHILDEDGE|RBBS_GRIPPERALWAYS|RBBS_HIDETITLE;

    rbBand.cxMinChild = 0;
    rbBand.cyMinChild = 0;
    rbBand.cyChild = 0;
    rbBand.cyMaxChild = 0;
    rbBand.cyIntegral = btn_hgt;

    rbBand.lpText = NULL;//Title1
    rbBand.hwndChild = _htoolbar;
    rbBand.cxMinChild = 0;
    rbBand.cyMinChild = btn_hgt;
    rbBand.cx = 284;
    SendMessage(_hwndrebar, RB_INSERTBAND, (WPARAM)0, (LPARAM)&rbBand);

    rbBand.fStyle &= ~RBBS_HIDETITLE;
    rbBand.fStyle |= RBBS_BREAK;
    rbBand.lpText = Title2;
    rbBand.hwndChild = _haddrcombo;
    rbBand.cxMinChild = 0;
    rbBand.cyMinChild = btn_hgt;
    rbBand.cx = 400;
    SendMessage(_hwndrebar, RB_INSERTBAND, (WPARAM)3, (LPARAM)&rbBand);
#endif
}


MainFrameBase::~MainFrameBase()
{
    (void)TreeView_SetImageList(_hsidebar, _himl_old, TVSIL_NORMAL);
    ImageList_Destroy(_himl);

     // don't exit desktop when closing file manager window
    if (!g_Globals._desktop_mode)
        if (g_Globals._hMainWnd == _hwnd)   // don't quit when switching between MDI and SDI mode
            PostQuitMessage(0);
}


LRESULT MainFrameBase::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
    LRESULT res;

    if (ProcessMessage(nmsg, wparam, lparam, &res))
        return res;
    else
        return super::WndProc(nmsg, wparam, lparam);
}

bool MainFrameBase::ProcessMessage(UINT nmsg, WPARAM wparam, LPARAM lparam, LRESULT* pres)
{
    switch(nmsg) {
      case PM_TRANSLATE_MSG:
        *pres = TranslateMsg((MSG*)lparam);
        return true;

      case WM_SHOWWINDOW:
        if (wparam) {   // trigger child resizing after window creation - now we can succesfully call IsWindowVisible()
            int height = SendMessage(_hwndrebar, RB_GETBARHEIGHT, 0, 0);
            MoveWindow(_hwndrebar, 0, 0, LOWORD(lparam), height, TRUE);
            resize_frame_client();
        }
        return false; // goto def;

      case WM_CLOSE:
        DestroyWindow(_hwnd);
        g_Globals._hMainWnd = 0;
        break;

      case WM_DESTROY:
        break;

      case WM_SIZE: {
#ifdef __REACTOS__  ///@todo Work around to display rebar in ROS (with flickering) as long as the control isn't fixed
        int height = SendMessage(_hwndrebar, RB_GETBARHEIGHT, 0, 0);
        MoveWindow(_hwndrebar, 0, 0, LOWORD(lparam), height, TRUE);
#else
        resize_frame(LOWORD(lparam), HIWORD(lparam));
        SendMessage(_hwndrebar, WM_SIZE, 0, 0);
#endif


        break;} // do not pass message to DefFrameProc

      case WM_GETMINMAXINFO: {
        LPMINMAXINFO lpmmi = (LPMINMAXINFO)lparam;

        lpmmi->ptMaxTrackSize.x <<= 1;/*2*GetSystemMetrics(SM_CXSCREEN) / SM_CXVIRTUALSCREEN */
        lpmmi->ptMaxTrackSize.y <<= 1;/*2*GetSystemMetrics(SM_CYSCREEN) / SM_CYVIRTUALSCREEN */
        break;}

      case PM_FRM_CALC_CLIENT:
        frame_get_clientspace((PRECT)lparam);
        *pres = TRUE;
        return true;

      case PM_FRM_GET_MENUINFO:
        *pres = (LPARAM)&_menu_info;
        return true;

      case PM_GET_CONTROLWINDOW:
        if (wparam == FCW_STATUS) {
            *pres = (LRESULT)(HWND)_hstatusbar;
            return true;
        }
        break;

      case PM_SETSTATUSTEXT:
        SendMessage(_hstatusbar, SB_SETTEXT, 0, lparam);
        break;

      case WM_SYSCOLORCHANGE:
        SendMessage(_hwndrebar, WM_SYSCOLORCHANGE, 0, 0);
        SendMessage(_htoolbar, WM_SYSCOLORCHANGE, 0, 0);
        break;

      default:
        return false;
    }

    *pres = 0;
    return true;
}

BOOL MainFrameBase::TranslateMsg(MSG* pmsg)
{
    if (TranslateAccelerator(_hwnd, _hAccel, pmsg))
        return TRUE;

    return FALSE;
}


int MainFrameBase::Command(int id, int code)
{
    CONTEXT("MainFrameBase::Command()");

    switch(id) {
      case ID_FILE_EXIT:
        SendMessage(_hwnd, WM_CLOSE, 0, 0);
        break;

      case ID_VIEW_TOOL_BAR:
        toggle_child(_hwnd, id, _htoolbar, 0);
        break;

      case ID_VIEW_STATUSBAR:
        toggle_child(_hwnd, id, _hstatusbar);
        break;

      case ID_VIEW_SIDE_BAR:
         // lazy initialization
        if (!TreeView_GetCount(_hsidebar))
            FillBookmarks();

        toggle_child(_hwnd, id, _hsidebar);
        break;

      case ID_EXECUTE: {
        ExecuteDialog dlg = {{0}, 0};

        if (DialogBoxParam(g_Globals._hInstance, MAKEINTRESOURCE(IDD_EXECUTE), _hwnd, ExecuteDialog::WndProc, (LPARAM)&dlg) == IDOK) {
            CONTEXT("ID_EXECUTE - ShellExecute()");

            HINSTANCE hinst = ShellExecute(_hwnd, NULL/*operation*/, dlg.cmd/*file*/, NULL/*parameters*/, NULL/*dir*/, dlg.cmdshow);

            if ((int)hinst <= 32)
                display_error(_hwnd, GetLastError());
        }
        break;}

      case ID_HELP:
        WinHelp(_hwnd, TEXT("explorer")/*file explorer.hlp*/, HELP_INDEX, 0);
        break;

      case ID_VIEW_FULLSCREEN:
        CheckMenuItem(_menu_info._hMenuView, id, toggle_fullscreen()?MF_CHECKED:0);
        break;

      case ID_TOOLS_OPTIONS:
        Dialog::DoModal(IDD_MDI_SDI, WINDOW_CREATOR(MdiSdiDlg), _hwnd);
        break;

      case ID_ABOUT_WINDOWS:
        ShellAbout(_hwnd, ResString(IDS_TITLE), NULL, 0);
        break;

      case ID_ABOUT_EXPLORER:
        explorer_about(_hwnd);
        break;

      case ID_EXPLORER_FAQ:
        launch_file(_hwnd, TEXT("http://www.sky.franken.de/explorer/"), SW_SHOW);
        break;

      default:
        return 1;   // no command handlers in Window::Command()
    }

    return 0;
}

int MainFrameBase::Notify(int id, NMHDR* pnmh)
{
    switch(pnmh->code) {
         // resize children windows when the rebar size changes

      case RBN_AUTOSIZE:
        resize_frame_client();
        break;

      case TVN_GETINFOTIP: {
        NMTVGETINFOTIP* pnmgit = (NMTVGETINFOTIP*)pnmh;

        if (pnmgit->lParam) {
            const BookmarkNode& node = *(BookmarkNode*)pnmgit->lParam;

            if (node._type == BookmarkNode::BMNT_FOLDER) {
                 // display tooltips for bookmark folders
                if (!node._pfolder->_description.empty())
                    lstrcpyn(pnmgit->pszText, node._pfolder->_description.c_str(), pnmgit->cchTextMax);
            } else if (node._type == BookmarkNode::BMNT_BOOKMARK) {
                 // display tooltips for bookmark folders
                String txt = node._pbookmark->_description;

                if (!node._pbookmark->_url.empty()) {
                    if (!txt.empty())
                        txt += TEXT("  -  ");

                    txt += node._pbookmark->_url;
                }

                lstrcpyn(pnmgit->pszText, txt.c_str(), pnmgit->cchTextMax);
            }
        }
        break;}

      case NM_DBLCLK: {
        HTREEITEM hitem = TreeView_GetSelection(_hsidebar);
        LPARAM lparam = TreeView_GetItemData(_hsidebar, hitem);

        if (lparam) {
            const BookmarkNode& node = *(BookmarkNode*)lparam;

            if (node._type == BookmarkNode::BMNT_BOOKMARK) {
                bool new_window = GetAsyncKeyState(VK_SHIFT)<0;

                go_to(node._pbookmark->_url, new_window);
            }
        }
        break;}
    }

    return 0;
}


void MainFrameBase::resize_frame(int cx, int cy)
{
    if (cy <= 0)
        return; // avoid resizing children when receiving RBN_AUTOSIZE while getting minimized

    RECT rect = {0, 0, cx, cy};

    if (_hwndrebar) {
        int height = SendMessage(_hwndrebar, RB_GETBARHEIGHT, 0, 0);
        rect.top += height;
        rect.top += 5;

        SetWindowPos(_haddrcombo, NULL, 0, 0, cx, height, SWP_NOMOVE);
    } else {
        if (IsWindowVisible(_htoolbar)) {
            SendMessage(_htoolbar, WM_SIZE, 0, 0);
            WindowRect rt(_htoolbar);
            rect.top = rt.bottom;
        //  rect.bottom -= rt.bottom;
        }
    }

    if (IsWindowVisible(_hstatusbar)) {
        int parts[] = {300, 500};

        SendMessage(_hstatusbar, WM_SIZE, 0, 0);
        SendMessage(_hstatusbar, SB_SETPARTS, 2, (LPARAM)&parts);
        ClientRect rt(_hstatusbar);
        rect.bottom -= rt.bottom;
    }

    if (IsWindowVisible(_hsidebar)) {
        WindowRect rt(_hsidebar);
        rect.left += rt.right-rt.left;

        SetWindowPos(_hsidebar, 0, -1, rect.top-1, rt.right-rt.left, rect.bottom-rect.top+1, SWP_NOACTIVATE|SWP_NOZORDER);
    }
}

void MainFrameBase::resize_frame_client()
{
    ClientRect rect(_hwnd);

    resize_frame(rect.right, rect.bottom);
}

void MainFrameBase::frame_get_clientspace(PRECT prect)
{
    if (!IsIconic(_hwnd))
        GetClientRect(_hwnd, prect);
    else {
        WINDOWPLACEMENT wp;

        GetWindowPlacement(_hwnd, &wp);

        prect->left = prect->top = 0;
        prect->right = wp.rcNormalPosition.right-wp.rcNormalPosition.left-
                        2*(GetSystemMetrics(SM_CXSIZEFRAME)+GetSystemMetrics(SM_CXEDGE));
        prect->bottom = wp.rcNormalPosition.bottom-wp.rcNormalPosition.top-
                        2*(GetSystemMetrics(SM_CYSIZEFRAME)+GetSystemMetrics(SM_CYEDGE))-
                        GetSystemMetrics(SM_CYCAPTION)-GetSystemMetrics(SM_CYMENUSIZE);
    }

    if (IsWindowVisible(_htoolbar)) {
        ClientRect rt(_htoolbar);
        prect->top += rt.bottom+2;
    }

    if (IsWindowVisible(_hstatusbar)) {
        ClientRect rt(_hstatusbar);
        prect->bottom -= rt.bottom;
    }
}

BOOL MainFrameBase::toggle_fullscreen()
{
    RECT rt;

    if ((_fullscreen._mode=!_fullscreen._mode)) {
        GetWindowRect(_hwnd, &_fullscreen._orgPos);
        _fullscreen._wasZoomed = IsZoomed(_hwnd);

        Frame_CalcFrameClient(_hwnd, &rt);
        ClientToScreen(_hwnd, (LPPOINT)&rt.left);
        ClientToScreen(_hwnd, (LPPOINT)&rt.right);

        rt.left = _fullscreen._orgPos.left-rt.left;
        rt.top = _fullscreen._orgPos.top-rt.top;
        rt.right = GetSystemMetrics(SM_CXSCREEN)+_fullscreen._orgPos.right-rt.right;
        rt.bottom = GetSystemMetrics(SM_CYSCREEN)+_fullscreen._orgPos.bottom-rt.bottom;

        MoveWindow(_hwnd, rt.left, rt.top, rt.right-rt.left, rt.bottom-rt.top, TRUE);
    } else {
        MoveWindow(_hwnd, _fullscreen._orgPos.left, _fullscreen._orgPos.top,
                            _fullscreen._orgPos.right-_fullscreen._orgPos.left,
                            _fullscreen._orgPos.bottom-_fullscreen._orgPos.top, TRUE);

        if (_fullscreen._wasZoomed)
            ShowWindow(_hwnd, WS_MAXIMIZE);
    }

    return _fullscreen._mode;
}

void MainFrameBase::fullscreen_move()
{
    RECT rt, pos;
    GetWindowRect(_hwnd, &pos);

    Frame_CalcFrameClient(_hwnd, &rt);
    ClientToScreen(_hwnd, (LPPOINT)&rt.left);
    ClientToScreen(_hwnd, (LPPOINT)&rt.right);

    rt.left = pos.left-rt.left;
    rt.top = pos.top-rt.top;
    rt.right = GetSystemMetrics(SM_CXSCREEN)+pos.right-rt.right;
    rt.bottom = GetSystemMetrics(SM_CYSCREEN)+pos.bottom-rt.bottom;

    MoveWindow(_hwnd, rt.left, rt.top, rt.right-rt.left, rt.bottom-rt.top, TRUE);
}


void MainFrameBase::toggle_child(HWND hwnd, UINT cmd, HWND hchild, int band_idx)
{
    BOOL vis = IsWindowVisible(hchild);

    CheckMenuItem(_menu_info._hMenuView, cmd, vis?MF_BYCOMMAND:MF_BYCOMMAND|MF_CHECKED);

    if (band_idx != -1)
        SendMessage(_hwndrebar, RB_SHOWBAND, band_idx, !vis);
    else
        ShowWindow(hchild, vis? SW_HIDE: SW_SHOW);

    if (_fullscreen._mode)
        fullscreen_move();

    resize_frame_client();
}

void MainFrameBase::FillBookmarks()
{
    HiddenWindow hide(_hsidebar);
    WindowCanvas canvas(_hwnd);

    TreeView_DeleteAllItems(_hsidebar);

    g_Globals._icon_cache.get_icon(ICID_FAVORITES).add_to_imagelist(_himl, canvas);
    g_Globals._icon_cache.get_icon(ICID_BOOKMARK).add_to_imagelist(_himl, canvas);
    ImageList_AddAlphaIcon(_himl, SmallIcon(IDI_DOT), GetStockBrush(WHITE_BRUSH), canvas);
    g_Globals._icon_cache.get_icon(ICID_FOLDER).add_to_imagelist(_himl, canvas);
    g_Globals._icon_cache.get_icon(ICID_FOLDER).add_to_imagelist(_himl, canvas);

    TV_INSERTSTRUCT tvi;

    tvi.hParent = TVI_ROOT;
    tvi.hInsertAfter = TVI_LAST;
    tvi.item.mask = TVIF_TEXT|TVIF_IMAGE|TVIF_SELECTEDIMAGE;
    ResString sFavorites(IDS_FAVORITES);
    tvi.item.pszText = sFavorites.str();
    tvi.item.iSelectedImage = tvi.item.iImage = 0;

    HTREEITEM hitem_bookmarks = TreeView_InsertItem(_hsidebar, &tvi);

    g_Globals._favorites.fill_tree(_hsidebar, hitem_bookmarks, _himl, canvas);

    TreeView_Expand(_hsidebar, hitem_bookmarks, TVE_EXPAND);
}


bool MainFrameBase::go_to(LPCTSTR url, bool new_window)
{

    return false;
}


#ifndef _NO_MDI

MDIMainFrame::MDIMainFrame(HWND hwnd)
 :  super(hwnd)
{
    TBBUTTON mdiBtns[] = {
        {0, 0, 0, BTNS_SEP, {0, 0}, 0, 0},
        {0, ID_WINDOW_NEW, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
        {1, ID_WINDOW_CASCADE, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
        {2, ID_WINDOW_TILE_HORZ, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
        {3, ID_WINDOW_TILE_VERT, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0}
    };

    SendMessage(_htoolbar, TB_ADDBUTTONS, sizeof(mdiBtns)/sizeof(TBBUTTON), (LPARAM)&mdiBtns);

    CLIENTCREATESTRUCT ccs;

    ccs.hWindowMenu = _hMenuWindow;
    ccs.idFirstChild = IDW_FIRST_CHILD;

    _hmdiclient = CreateWindowEx(WS_EX_CLIENTEDGE|WS_EX_NOPARENTNOTIFY, TEXT("MDICLIENT"), NULL,
                    WS_CHILD|WS_CLIPCHILDREN|WS_VSCROLL|WS_HSCROLL|WS_VISIBLE|WS_BORDER,
                    0, 0, 0, 0,
                    hwnd, 0, g_Globals._hInstance, &ccs);

    TBBUTTON extraBtns = {0, 0, TBSTATE_ENABLED, BTNS_SEP, {0, 0}, 0, 0};

#ifndef _NO_REBAR
    _hextrabar = CreateToolbarEx(hwnd,
                CCS_NOPARENTALIGN|CCS_NORESIZE|CCS_NODIVIDER|
                WS_CHILD|TBSTYLE_FLAT|WS_VISIBLE|CCS_NOMOVEY|TBSTYLE_LIST,
                IDW_EXTRABAR, 2, g_Globals._hInstance, IDB_DRIVEBAR, NULL, 0,
                16, 16, 16, 16, sizeof(TBBUTTON));
#else
    _hextrabar = CreateToolbarEx(hwnd,
                WS_CHILD|WS_VISIBLE|CCS_NOMOVEY|TBSTYLE_LIST,CCS_NODIVIDER|
                IDW_EXTRABAR, 2, g_Globals._hInstance, IDB_DRIVEBAR, &extraBtns, 1,
                16, 13, 16, 13, sizeof(TBBUTTON));
#endif

    CheckMenuItem(_menu_info._hMenuView, ID_VIEW_EXTRA_BAR, MF_BYCOMMAND|MF_CHECKED);


    extraBtns.fsStyle = BTNS_BUTTON;

#ifdef __WINE__
     // insert unix file system button
    extraBtns.iString = SendMessage(_hextrabar, TB_ADDSTRING, 0, (LPARAM)TEXT("/\0"));
    extraBtns.idCommand = ID_DRIVE_UNIX_FS;
    SendMessage(_hextrabar, TB_INSERTBUTTON, INT_MAX, (LPARAM)&extraBtns);
#endif

     // insert explorer window button
    extraBtns.iString = SendMessage(_hextrabar, TB_ADDSTRING, 0, (LPARAM)TEXT("Explore\0"));
    extraBtns.idCommand = ID_DRIVE_DESKTOP;
    SendMessage(_hextrabar, TB_INSERTBUTTON, INT_MAX, (LPARAM)&extraBtns);

     // insert shell namespace button
    extraBtns.iString = SendMessage(_hextrabar, TB_ADDSTRING, 0, (LPARAM)TEXT("Shell\0"));
    extraBtns.idCommand = ID_DRIVE_SHELL_NS;
    extraBtns.iBitmap = 6;
    SendMessage(_hextrabar, TB_INSERTBUTTON, INT_MAX, (LPARAM)&extraBtns);

     // insert web control button
    extraBtns.iString = SendMessage(_hextrabar, TB_ADDSTRING, 0, (LPARAM)TEXT("Web\0"));
    extraBtns.idCommand = ID_WEB_WINDOW;
    extraBtns.iBitmap = 7;
    SendMessage(_hextrabar, TB_INSERTBUTTON, INT_MAX, (LPARAM)&extraBtns);

    if ((HIWORD(GetVersion())>>14) == W_VER_NT) {
         // insert NT object namespace button
        extraBtns.iString = SendMessage(_hextrabar, TB_ADDSTRING, 0, (LPARAM)TEXT("NT Obj\0"));
        extraBtns.idCommand = ID_DRIVE_NTOBJ_NS;
        extraBtns.iBitmap = 8;
        SendMessage(_hextrabar, TB_INSERTBUTTON, INT_MAX, (LPARAM)&extraBtns);
    }
#ifndef __REACTOS__ // don't insert reg button for ROS. Regedit should be used.
     // insert Registry button
    extraBtns.iString = SendMessage(_hextrabar, TB_ADDSTRING, 0, (LPARAM)TEXT("Reg.\0"));
    extraBtns.idCommand = ID_DRIVE_REGISTRY;
    extraBtns.iBitmap = 9;
    SendMessage(_hextrabar, TB_INSERTBUTTON, INT_MAX, (LPARAM)&extraBtns);
#endif

#ifdef _DEBUG
     // insert FAT direct file system access button
    extraBtns.iString = SendMessage(_hextrabar, TB_ADDSTRING, 0, (LPARAM)TEXT("FAT\0"));
    extraBtns.idCommand = ID_DRIVE_FAT;
    extraBtns.iBitmap = 10;
    SendMessage(_hextrabar, TB_INSERTBUTTON, INT_MAX, (LPARAM)&extraBtns);
#endif


    TBBUTTON drivebarBtn = {0, 0, TBSTATE_ENABLED, BTNS_SEP, {0, 0}, 0, 0};
#ifndef _NO_WIN_FS
    PTSTR p;

#ifndef _NO_REBAR
    _hdrivebar = CreateToolbarEx(hwnd,
                CCS_NOPARENTALIGN|CCS_NORESIZE|CCS_NODIVIDER|
                WS_CHILD|WS_VISIBLE|TBSTYLE_FLAT|CCS_NOMOVEY|TBSTYLE_LIST,
                IDW_DRIVEBAR, 2, g_Globals._hInstance, IDB_DRIVEBAR, NULL, 0,
                16, 16, 16, 16, sizeof(TBBUTTON));
#else
    _hdrivebar = CreateToolbarEx(hwnd,
                WS_CHILD|WS_VISIBLE|CCS_NOMOVEY|TBSTYLE_LIST|CCS_NODIVIDER,
                IDW_DRIVEBAR, 2, g_Globals._hInstance, IDB_DRIVEBAR, &drivebarBtn, 1,
                16, 13, 16, 13, sizeof(TBBUTTON));
#endif
#endif

    CheckMenuItem(_menu_info._hMenuView, ID_VIEW_DRIVE_BAR, MF_BYCOMMAND|MF_UNCHECKED);


#ifndef _NO_WIN_FS
    GetLogicalDriveStrings(BUFFER_LEN, _drives);

     // register windows drive root strings
    SendMessage(_hdrivebar, TB_ADDSTRING, 0, (LPARAM)_drives);

    drivebarBtn.fsStyle = BTNS_BUTTON;
    drivebarBtn.idCommand = ID_DRIVE_FIRST;

    for(p=_drives; *p; ) {
        switch(GetDriveType(p)) {
            case DRIVE_REMOVABLE:   drivebarBtn.iBitmap = 1;    break;
            case DRIVE_CDROM:       drivebarBtn.iBitmap = 3;    break;
            case DRIVE_REMOTE:      drivebarBtn.iBitmap = 4;    break;
            case DRIVE_RAMDISK:     drivebarBtn.iBitmap = 5;    break;
            default:/*DRIVE_FIXED*/ drivebarBtn.iBitmap = 2;
        }

        SendMessage(_hdrivebar, TB_INSERTBUTTON, INT_MAX, (LPARAM)&drivebarBtn);
        ++drivebarBtn.idCommand;
        ++drivebarBtn.iString;

        while(*p++);
    }
#endif


#ifndef _NO_REBAR
    int btn_hgt = HIWORD(SendMessage(_htoolbar, TB_GETBUTTONSIZE, 0, 0));

    REBARBANDINFO rbBand;

    rbBand.cbSize = sizeof(REBARBANDINFO);
    rbBand.fMask  = RBBIM_TEXT|RBBIM_STYLE|RBBIM_CHILD|RBBIM_CHILDSIZE|RBBIM_SIZE;
#ifndef RBBS_HIDETITLE // missing in MinGW headers as of 25.02.2004
#define RBBS_HIDETITLE  0x400
#endif
    rbBand.fStyle = RBBS_CHILDEDGE|RBBS_GRIPPERALWAYS|RBBS_HIDETITLE;

    TCHAR ExtrasBand[] = _T("Extras");
    rbBand.lpText = ExtrasBand;
    rbBand.hwndChild = _hextrabar;
    rbBand.cxMinChild = 0;
    rbBand.cyMinChild = btn_hgt;
    rbBand.cx = 284;
    SendMessage(_hwndrebar, RB_INSERTBAND, (WPARAM)1, (LPARAM)&rbBand);

#ifndef _NO_WIN_FS
    rbBand.fStyle |= RBBS_BREAK;
    TCHAR DrivesBand[] = _T("Drives");
    rbBand.lpText = DrivesBand;
    rbBand.hwndChild = _hdrivebar;
    rbBand.cxMinChild = 0;
    rbBand.cyMinChild = btn_hgt;
    rbBand.cx = 400;
    SendMessage(_hwndrebar, RB_INSERTBAND, (WPARAM)2, (LPARAM)&rbBand);

    // hide the drivebar by default
    SendMessage(_hwndrebar, RB_SHOWBAND, 2, FALSE);
#endif
#endif
}


HWND MDIMainFrame::Create()
{
    HMENU hMenuFrame = LoadMenu(g_Globals._hInstance, MAKEINTRESOURCE(IDM_MDIFRAME));

    return Window::Create(WINDOW_CREATOR(MDIMainFrame), 0,
                (LPCTSTR)(int)g_Globals._hframeClass, ResString(IDS_TITLE), WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN,
                CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
                0/*hwndDesktop*/, hMenuFrame);
}

HWND MDIMainFrame::Create(LPCTSTR path, int mode)
{
    HWND hFrame = Create();
    if (!hFrame)
        return 0;

    ShowWindow(hFrame, SW_SHOW);

    MDIMainFrame* pMainFrame = GET_WINDOW(MDIMainFrame, hFrame);

    if (pMainFrame)
        pMainFrame->CreateChild(path, mode);

    return hFrame;
}

HWND MDIMainFrame::Create(LPCITEMIDLIST pidl, int mode)
{
    HWND hFrame = Create();
    if (!hFrame)
        return 0;

    ShowWindow(hFrame, SW_SHOW);

    MDIMainFrame* pMainFrame = GET_WINDOW(MDIMainFrame, hFrame);

    if (pMainFrame)
        pMainFrame->CreateChild(pidl, mode);

    return hFrame;
}


ChildWindow* MDIMainFrame::CreateChild(LPCTSTR path, int mode)
{
    return reinterpret_cast<ChildWindow*>(SendMessage(_hwnd, PM_OPEN_WINDOW, mode, (LPARAM)path));
}

ChildWindow* MDIMainFrame::CreateChild(LPCITEMIDLIST pidl, int mode)
{
    return reinterpret_cast<ChildWindow*>(SendMessage(_hwnd, PM_OPEN_WINDOW, mode|OWM_PIDL, (LPARAM)pidl));
}


BOOL MDIMainFrame::TranslateMsg(MSG* pmsg)
{
    if (_hmdiclient && TranslateMDISysAccel(_hmdiclient, pmsg))
        return TRUE;

    return super::TranslateMsg(pmsg);
}

LRESULT MDIMainFrame::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
    switch(nmsg) {
      case PM_OPEN_WINDOW: {
        CONTEXT("MDIMainFrame PM_OPEN_WINDOW");

        TCHAR buffer[MAX_PATH];
        LPCTSTR path;
        ShellPath shell_path = DesktopFolderPath();

        if (lparam) {
            if (wparam & OWM_PIDL) {
                 // take over PIDL from lparam
                shell_path.assign((LPCITEMIDLIST)lparam);   // create as "rooted" window
                FileSysShellPath fsp(shell_path);
                path = fsp;

                if (path) {
                    LOG(FmtString(TEXT("MDIMainFrame PM_OPEN_WINDOW: path=%s"), path));
                    lstrcpy(buffer, path);
                    path = buffer;
                }
            } else {
                 // take over path from lparam
                path = (LPCTSTR)lparam;
                shell_path = path;  // create as "rooted" window
            }
        } else {
            if (!GetCurrentDirectory(MAX_PATH, buffer))
                *buffer = '\0';

            path = buffer;
        }

        if (path && _tcsstr(path, TEXT("://"))) {   // "http://...", "ftp://", ...
            OBJ_CONTEXT("create WebChild window", path);

            return (LRESULT)GET_WINDOW(ChildWindow, create_webchildwindow(WebChildWndInfo(_hmdiclient, path)));
        } else {
            OBJ_CONTEXT("create ShellChildWndInfo", path);

             // Shell Namespace as default view
            ShellChildWndInfo create_info(_hmdiclient, path, shell_path);

            if (wparam & OWM_ROOTED)
                create_info._root_shell_path = shell_path;
            else
                create_info._root_shell_path = DesktopFolderPath(); //SpecialFolderPath(CSIDL_DRIVES, _hwnd);

            create_info._pos.showCmd = wparam&OWM_SEPARATE? SW_SHOWNORMAL: SW_SHOWMAXIMIZED;
            create_info._pos.rcNormalPosition.left = CW_USEDEFAULT;
            create_info._pos.rcNormalPosition.top = CW_USEDEFAULT;
            create_info._pos.rcNormalPosition.right = CW_USEDEFAULT;
            create_info._pos.rcNormalPosition.bottom = CW_USEDEFAULT;

            create_info._open_mode = wparam;

        //  FileChildWindow::create(_hmdiclient, create_info);
            return (LRESULT)MDIShellBrowserChild::create(create_info);
        }
        return TRUE;}   // success

      case WM_SYSCOLORCHANGE: {
        LRESULT res;
        HWND hChild;

        /* Forward WM_SYSCOLORCHANGE to common controls */
        SendMessage(_hextrabar, WM_SYSCOLORCHANGE, 0, 0);
        SendMessage(_hdrivebar, WM_SYSCOLORCHANGE, 0, 0);

        for(hChild = GetNextWindow(_hmdiclient,GW_CHILD); hChild; hChild = GetNextWindow(hChild, GW_HWNDNEXT))
            SendMessage(hChild, WM_SYSCOLORCHANGE, 0, 0);

        super::ProcessMessage(nmsg, wparam, lparam, &res);
        break; }

      default: {
        LRESULT res;

        if (super::ProcessMessage(nmsg, wparam, lparam, &res))
            return res;
        else
            return DefFrameProc(_hwnd, _hmdiclient, nmsg, wparam, lparam);
      }
    }

    return 0;
}

int MDIMainFrame::Command(int id, int code)
{
    CONTEXT("MDIMainFrame::Command()");

    HWND hwndClient = (HWND) SendMessage(_hmdiclient, WM_MDIGETACTIVE, 0, 0);

    if (hwndClient)
        if (SendMessage(hwndClient, PM_DISPATCH_COMMAND, MAKELONG(id,code), 0))
            return 0;

#ifndef _NO_WIN_FS
    if (id>=ID_DRIVE_FIRST && id<=ID_DRIVE_FIRST+0xFF) {
        TCHAR drv[_MAX_DRIVE], path[MAX_PATH];
        LPCTSTR root = _drives;

        for(int i=id-ID_DRIVE_FIRST; i--; root++)
            while(*root)
                ++root;

        if (activate_drive_window(root))
            return 0;

        _tsplitpath_s(root, drv, COUNTOF(drv), NULL, 0, NULL, 0, NULL, 0);

        if (!SetCurrentDirectory(drv)) {
            display_error(_hwnd, GetLastError());
            return 0;
        }

        GetCurrentDirectory(MAX_PATH, path); 

        FileChildWindow::create(FileChildWndInfo(_hmdiclient, path));

        return 1;
    }
#endif

    switch(id) {
      case ID_WINDOW_NEW: {
        TCHAR path[MAX_PATH];

        GetCurrentDirectory(MAX_PATH, path);

        FileChildWindow::create(FileChildWndInfo(_hmdiclient, path));
        break;}

      case ID_WINDOW_CASCADE:
        SendMessage(_hmdiclient, WM_MDICASCADE, 0, 0);
        break;

      case ID_WINDOW_TILE_HORZ:
        SendMessage(_hmdiclient, WM_MDITILE, MDITILE_HORIZONTAL, 0);
        break;

      case ID_WINDOW_TILE_VERT:
        SendMessage(_hmdiclient, WM_MDITILE, MDITILE_VERTICAL, 0);
        break;

      case ID_WINDOW_ARRANGE:
        SendMessage(_hmdiclient, WM_MDIICONARRANGE, 0, 0);
        break;

      case ID_VIEW_EXTRA_BAR:
        toggle_child(_hwnd, id, _hextrabar, 1);
        break;

#ifndef _NO_WIN_FS
      case ID_VIEW_DRIVE_BAR:
        toggle_child(_hwnd, id, _hdrivebar, 2);
        break;
#endif

#ifdef __WINE__
      case ID_DRIVE_UNIX_FS: {
        TCHAR path[MAX_PATH];
        FileChildWindow* child;

        getcwd(path, COUNTOF(path));

        if (activate_child_window(TEXT("unixfs")))
            break;

        FileChildWindow::create(_hmdiclient, FileChildWndInfo(path));
        break;}
#endif

      case ID_DRIVE_DESKTOP: {
        TCHAR path[MAX_PATH];

        if (activate_child_window(TEXT("Desktop")))
            break;

        GetCurrentDirectory(MAX_PATH, path);

        MDIShellBrowserChild::create(ShellChildWndInfo(_hmdiclient, path, DesktopFolderPath()));
        break;}

      case ID_DRIVE_SHELL_NS: {
        TCHAR path[MAX_PATH];
        GetCurrentDirectory(MAX_PATH, path);

        if (activate_child_window(TEXT("Shell")))
            break;

        FileChildWindow::create(ShellChildWndInfo(_hmdiclient, path, DesktopFolderPath()));
        break;}

      case ID_DRIVE_NTOBJ_NS: {
        if (activate_child_window(TEXT("NTOBJ")))
            break;

        FileChildWindow::create(NtObjChildWndInfo(_hmdiclient, TEXT("\\")));
      break;}

      case ID_DRIVE_REGISTRY: {
        if (activate_child_window(TEXT("Registry")))
            break;

        FileChildWindow::create(RegistryChildWndInfo(_hmdiclient, TEXT("\\")));
      break;}

      case ID_DRIVE_FAT: {


        if (activate_child_window(TEXT("FAT")))
            break;

        FileChildWindow::create(FATChildWndInfo(_hmdiclient, TEXT("FAT Image")));   //@@
      break;}

      case ID_WEB_WINDOW:
#ifdef _DEBUG
        create_webchildwindow(WebChildWndInfo(_hmdiclient, TEXT("http://localhost")));
#else
        create_webchildwindow(WebChildWndInfo(_hmdiclient, TEXT("http://www.reactos.org")));
#endif
        break;

      case ID_EXPLORER_FAQ:
        create_webchildwindow(WebChildWndInfo(_hmdiclient, TEXT("http://www.sky.franken.de/explorer/")));
        break;

      case ID_VIEW_SDI:
        MainFrameBase::Create(ExplorerCmd());
        break;


      default:
        if (super::Command(id, code) == 0)
            return 0;
        else
            return DefFrameProc(_hwnd, _hmdiclient, WM_COMMAND, MAKELONG(id,code), 0);
    }

    return 0;
}


void MDIMainFrame::frame_get_clientspace(PRECT prect)
{
    super::frame_get_clientspace(prect);

#ifndef _NO_WIN_FS
    if (IsWindowVisible(_hdrivebar)) {
        ClientRect rt(_hdrivebar);
        prect->top += rt.bottom+2;
    }
#endif
}

void MDIMainFrame::resize_frame(int cx, int cy)
{
    if (cy <= 0)
        return; // avoid resizing children when receiving RBN_AUTOSIZE while getting minimized

    RECT rect = {0, 0, cx, cy};

    if (_hwndrebar) {
        int height = SendMessage(_hwndrebar, RB_GETBARHEIGHT, 0, 0);
        rect.top += height;
        rect.top += 5;
    } else {
        if (IsWindowVisible(_htoolbar)) {
            SendMessage(_htoolbar, WM_SIZE, 0, 0);
            WindowRect rt(_htoolbar);
            rect.top = rt.bottom;
        //  rect.bottom -= rt.bottom;
        }

        if (IsWindowVisible(_hextrabar)) {
            SendMessage(_hextrabar, WM_SIZE, 0, 0);
            WindowRect rt(_hextrabar);
            int new_top = --rect.top + rt.bottom;
            MoveWindow(_hextrabar, 0, rect.top, rt.right, new_top, TRUE);
            rect.top = new_top;
        //  rect.bottom -= rt.bottom;
        }

#ifndef _NO_WIN_FS
        if (IsWindowVisible(_hdrivebar)) {
            SendMessage(_hdrivebar, WM_SIZE, 0, 0);
            WindowRect rt(_hdrivebar);
            int new_top = --rect.top + rt.bottom;
            MoveWindow(_hdrivebar, 0, rect.top, rt.right, new_top, TRUE);
            rect.top = new_top;
        //  rect.bottom -= rt.bottom;
        }
#endif
    }

    if (IsWindowVisible(_hstatusbar)) {
        int parts[] = {300, 500};

        SendMessage(_hstatusbar, WM_SIZE, 0, 0);
        SendMessage(_hstatusbar, SB_SETPARTS, 2, (LPARAM)&parts);
        ClientRect rt(_hstatusbar);
        rect.bottom -= rt.bottom;
    }

    if (IsWindowVisible(_hsidebar)) {
        WindowRect rt(_hsidebar);
        rect.left += rt.right-rt.left;

        SetWindowPos(_hsidebar, 0, -1, rect.top-1, rt.right-rt.left, rect.bottom-rect.top+1, SWP_NOACTIVATE|SWP_NOZORDER);
    }

    MoveWindow(_hmdiclient, rect.left-1, rect.top-1, rect.right-rect.left+1, rect.bottom-rect.top+1, TRUE);
}

bool MDIMainFrame::activate_drive_window(LPCTSTR path)
{
    TCHAR drv1[_MAX_DRIVE], drv2[_MAX_DRIVE];
    HWND child_wnd;

    _tsplitpath_s(path, drv1, COUNTOF(drv1), NULL, 0, NULL, 0, NULL, 0);

     // search for a already open window for the same drive
    for(child_wnd=GetNextWindow(_hmdiclient,GW_CHILD); child_wnd; child_wnd=GetNextWindow(child_wnd, GW_HWNDNEXT)) {
        FileChildWindow* child = (FileChildWindow*) SendMessage(child_wnd, PM_GET_FILEWND_PTR, 0, 0);

        if (child) {
            _tsplitpath_s(child->get_root()._path, drv2, COUNTOF(drv2), NULL, 0, NULL, 0, NULL, 0);

            if (!lstrcmpi(drv2, drv1)) {
                SendMessage(_hmdiclient, WM_MDIACTIVATE, (WPARAM)child_wnd, 0);

                if (IsMinimized(child_wnd))
                    ShowWindow(child_wnd, SW_SHOWNORMAL);

                return true;
            }
        }
    }

    return false;
}

bool MDIMainFrame::activate_child_window(LPCTSTR filesys)
{
    HWND child_wnd;

     // search for a already open window of the given file system name
    for(child_wnd=GetNextWindow(_hmdiclient,GW_CHILD); child_wnd; child_wnd=GetNextWindow(child_wnd, GW_HWNDNEXT)) {
        FileChildWindow* child = (FileChildWindow*) SendMessage(child_wnd, PM_GET_FILEWND_PTR, 0, 0);

        if (child) {
            if (!lstrcmpi(child->get_root()._fs, filesys)) {
                SendMessage(_hmdiclient, WM_MDIACTIVATE, (WPARAM)child_wnd, 0);

                if (IsMinimized(child_wnd))
                    ShowWindow(child_wnd, SW_SHOWNORMAL);

                return true;
            }
        } else {
            ShellBrowser* shell_child = (ShellBrowser*) SendMessage(child_wnd, PM_GET_SHELLBROWSER_PTR, 0, 0);

            if (shell_child) {
                if (!lstrcmpi(shell_child->get_root()._fs, filesys)) {
                    SendMessage(_hmdiclient, WM_MDIACTIVATE, (WPARAM)child_wnd, 0);

                    if (IsMinimized(child_wnd))
                        ShowWindow(child_wnd, SW_SHOWNORMAL);

                    return true;
                }
            }
        }
    }

    return false;
}

bool MDIMainFrame::go_to(LPCTSTR url, bool new_window)
{
    if (!new_window) {
        HWND hwndClient = (HWND) SendMessage(_hmdiclient, WM_MDIGETACTIVE, 0, 0);

        if (hwndClient)
            if (SendMessage(hwndClient, PM_JUMP_TO_URL, 0, (LPARAM)url))
                return true;
    }

    if (CreateChild(url))
        return true;

    return super::go_to(url, new_window);
}

#endif // _NO_MDI


SDIMainFrame::SDIMainFrame(HWND hwnd)
 :  super(hwnd)
{
    _split_pos = DEFAULT_SPLIT_POS;
    _last_split = DEFAULT_SPLIT_POS;

    /* wait for PM_OPEN_WINDOW message before creating a shell view
    update_shell_browser();*/
}

HWND SDIMainFrame::Create()
{
    HMENU hMenuFrame = LoadMenu(g_Globals._hInstance, MAKEINTRESOURCE(IDM_SDIFRAME));

    return Window::Create(WINDOW_CREATOR(SDIMainFrame), 0,
                (LPCTSTR)(int)g_Globals._hframeClass, ResString(IDS_TITLE), WS_OVERLAPPEDWINDOW,
                CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
                0/*hwndDesktop*/, hMenuFrame);
}

HWND SDIMainFrame::Create(LPCITEMIDLIST pidl, int mode)
{
    HWND hFrame = Create();
    if (!hFrame)
        return 0;

    ShowWindow(hFrame, SW_SHOW);

    SDIMainFrame* pFrame = GET_WINDOW(SDIMainFrame, hFrame);

    if (pFrame)
        pFrame->jump_to(pidl, mode);

    return hFrame;
}

HWND SDIMainFrame::Create(LPCTSTR path, int mode)
{
    HWND hFrame = Create();
    if (!hFrame)
        return 0;

    ShowWindow(hFrame, SW_SHOW);

    MDIMainFrame* pMainFrame = GET_WINDOW(MDIMainFrame, hFrame);

    if (pMainFrame)
        pMainFrame->CreateChild(path, mode);

    return hFrame;
}

LRESULT SDIMainFrame::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
    switch(nmsg) {
      case WM_SIZE:
        resize_frame(LOWORD(lparam), HIWORD(lparam));
        break;

      case WM_PAINT: {
        PaintCanvas canvas(_hwnd);

        if (_left_hwnd) {
            ClientRect rt(_hwnd);
            rt.left = _split_pos-SPLIT_WIDTH/2;
            rt.right = _split_pos+SPLIT_WIDTH/2+1;

            if (_right_hwnd) {
                WindowRect right_rect(_right_hwnd);
                ScreenToClient(_hwnd, &right_rect);
                rt.top = right_rect.top;
                rt.bottom = right_rect.bottom;
            }

            HBRUSH lastBrush = SelectBrush(canvas, GetStockBrush(COLOR_SPLITBAR));
            Rectangle(canvas, rt.left, rt.top-1, rt.right, rt.bottom+1);
            SelectObject(canvas, lastBrush);
        }
        break;}

      case WM_SETCURSOR:
        if (_left_hwnd)
            if (LOWORD(lparam) == HTCLIENT) {
                POINT pt;
                GetCursorPos(&pt);
                ScreenToClient(_hwnd, &pt);

                if (pt.x>=_split_pos-SPLIT_WIDTH/2 && pt.x<_split_pos+SPLIT_WIDTH/2+1) {
                    SetCursor(LoadCursor(0, IDC_SIZEWE));
                    return TRUE;
                }
            }
        goto def;

      case WM_LBUTTONDOWN:
        if (_left_hwnd) {
            int x = GET_X_LPARAM(lparam);

            ClientRect rt(_hwnd);

            if (x>=_split_pos-SPLIT_WIDTH/2 && x<_split_pos+SPLIT_WIDTH/2+1) {
                _last_split = _split_pos;
                SetCapture(_hwnd);
            }
        }
        break;

      case WM_LBUTTONUP:
        if (GetCapture() == _hwnd)
            ReleaseCapture();
        break;

      case WM_KEYDOWN:
        if (wparam == VK_ESCAPE)
            if (GetCapture() == _hwnd) {
                _split_pos = _last_split;
                resize_children();
                _last_split = -1;
                ReleaseCapture();
                SetCursor(LoadCursor(0, IDC_ARROW));
            }
        break;

      case WM_MOUSEMOVE:
        if (GetCapture() == _hwnd) {
            int x = GET_X_LPARAM(lparam);

            ClientRect rt(_hwnd);

            if (x>=0 && x<rt.right) {
                _split_pos = x;
                resize_children();
                rt.left = x-SPLIT_WIDTH/2;
                rt.right = x+SPLIT_WIDTH/2+1;
                InvalidateRect(_hwnd, &rt, FALSE);
                UpdateWindow(_left_hwnd);
                UpdateWindow(_hwnd);
                UpdateWindow(_right_hwnd);
            }
        }
        break;

      case PM_OPEN_WINDOW: {
        CONTEXT("SDIMainFrame PM_OPEN_WINDOW");

        TCHAR buffer[MAX_PATH];
        LPCTSTR path;
        ShellPath shell_path = DesktopFolderPath();

        if (lparam) {
            if (wparam & OWM_PIDL) {
                 // take over PIDL from lparam
                shell_path.assign((LPCITEMIDLIST)lparam);   // create as "rooted" window
                FileSysShellPath fsp(shell_path);
                path = fsp;

                if (path) {
                    LOG(FmtString(TEXT("SDIMainFrame PM_OPEN_WINDOW: path=%s"), path));
                    lstrcpy(buffer, path);
                    path = buffer;
                }
            } else {
                 // take over path from lparam
                path = (LPCTSTR)lparam;
                shell_path = path;  // create as "rooted" window
            }
        } else {
            if (!GetCurrentDirectory(MAX_PATH, buffer))
                *buffer = '\0';

            path = buffer;
            shell_path = path;
        }

        if (wparam & OWM_ROOTED)
            _shellpath_info._root_shell_path = shell_path;
        else
            _shellpath_info._root_shell_path = DesktopFolderPath(); //SpecialFolderPath(CSIDL_DRIVES, _hwnd);

        jump_to(shell_path, wparam);    
        return TRUE;}   // success

      default: def:
        return super::WndProc(nmsg, wparam, lparam);
    }

    return 0;
}

int SDIMainFrame::Command(int id, int code)
{
    switch(id) {
      case ID_VIEW_MDI:
        MainFrameBase::Create(ExplorerCmd(_url, true));
        break;

      default:
        return super::Command(id, code);
    }

    return 0;
}

void SDIMainFrame::resize_frame(int cx, int cy)
{
    if (cy <= 0)
        return; // avoid resizing children when receiving RBN_AUTOSIZE while getting minimized

    RECT rect = {0, 0, cx, cy};

    if (_hwndrebar) {
        int height = ClientRect(_hwndrebar).bottom;
        rect.top += height;
        rect.top += 5;
    } else {
        if (IsWindowVisible(_htoolbar)) {
            SendMessage(_htoolbar, WM_SIZE, 0, 0);
            WindowRect rt(_htoolbar);
            rect.top = rt.bottom;
        //  rect.bottom -= rt.bottom;
        }
    }

    if (IsWindowVisible(_hstatusbar)) {
        int parts[] = {300, 500};

        SendMessage(_hstatusbar, WM_SIZE, 0, 0);
        SendMessage(_hstatusbar, SB_SETPARTS, 2, (LPARAM)&parts);
        ClientRect rt(_hstatusbar);
        rect.bottom -= rt.bottom;
    }

    if (IsWindowVisible(_hsidebar)) {
        WindowRect rt(_hsidebar);
        rect.left += rt.right-rt.left;

        SetWindowPos(_hsidebar, 0, -1, rect.top-1, rt.right-rt.left, rect.bottom-rect.top+1, SWP_NOACTIVATE|SWP_NOZORDER);
    }

    _clnt_rect = rect;

    resize_children();
}

void SDIMainFrame::resize_children()
{
    HDWP hdwp = BeginDeferWindowPos(2);

    int cx = _clnt_rect.left;

    if (_left_hwnd) {
        cx = _split_pos + SPLIT_WIDTH/2;

        hdwp = DeferWindowPos(hdwp, _left_hwnd, 0, _clnt_rect.left, _clnt_rect.top, _split_pos-SPLIT_WIDTH/2-_clnt_rect.left, _clnt_rect.bottom-_clnt_rect.top, SWP_NOZORDER|SWP_NOACTIVATE);
    } else {
        //_split_pos = -1;
        cx = 0;
    }

    if (_right_hwnd)
        hdwp = DeferWindowPos(hdwp, _right_hwnd, 0, _clnt_rect.left+cx+1, _clnt_rect.top, _clnt_rect.right-cx, _clnt_rect.bottom-_clnt_rect.top, SWP_NOZORDER|SWP_NOACTIVATE);

    EndDeferWindowPos(hdwp);
}

void SDIMainFrame::update_clnt_rect()
{
    ClientRect rect(_hwnd);

    resize_frame(rect.right, rect.bottom);
}

void SDIMainFrame::update_shell_browser()
{
    int split_pos = DEFAULT_SPLIT_POS;

    if (_shellBrowser.get()) {
        split_pos = _split_pos;
        delete _shellBrowser.release();
    }

     // create explorer treeview
    if (_shellpath_info._open_mode & OWM_EXPLORE) {
        if (!_left_hwnd) {
            ClientRect rect(_hwnd);

            _left_hwnd = CreateWindowEx(WS_EX_CLIENTEDGE, WC_TREEVIEW, NULL,
                            WS_CHILD|WS_TABSTOP|WS_VISIBLE|TVS_HASLINES|TVS_LINESATROOT|TVS_HASBUTTONS|TVS_NOTOOLTIPS|TVS_SHOWSELALWAYS,
                            0, rect.top, split_pos-SPLIT_WIDTH/2, rect.bottom-rect.top,
                            _hwnd, (HMENU)IDC_FILETREE, g_Globals._hInstance, 0);

             // display tree window as long as the shell view is not yet visible
            resize_frame(rect.right, rect.bottom);
            MoveWindow(_left_hwnd, rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top, TRUE);
        }
    } else {
        if (_left_hwnd) {
            DestroyWindow(_left_hwnd);
            _left_hwnd = 0;
        }
    }

    _shellBrowser = auto_ptr<ShellBrowser>(new ShellBrowser(_hwnd, _hwnd, _left_hwnd, _right_hwnd,
                                                _shellpath_info, this, _cm_ifs));

    if (_left_hwnd)
        _shellBrowser->Init();

     // update _clnt_rect and set size of new created shell view windows
    update_clnt_rect();
}

void SDIMainFrame::entry_selected(Entry* entry)
{
    if (_left_hwnd)
        _shellBrowser->select_folder(entry, false);

    _shellBrowser->UpdateFolderView(entry->get_shell_folder());

     // set size of new created shell view windows
    resize_children();
}

void SDIMainFrame::set_url(LPCTSTR url)
{
    if (_url != url) {
        _url = url;
        SetWindowText(_haddrcombo, url);
    }
}


void SDIMainFrame::jump_to(LPCTSTR path, int mode)
{/*@@todo
    if (_shellBrowser.get() && (_shellpath_info._open_mode&~OWM_PIDL)==(mode&~OWM_PIDL)) {
        _shellBrowser->jump_to(path);

        _shellpath_info._shell_path = path;
    } else */{
        _shellpath_info._open_mode = mode;
        _shellpath_info._shell_path = path;

        update_shell_browser();
    }
}

void SDIMainFrame::jump_to(LPCITEMIDLIST path, int mode)
{
    if (_shellBrowser.get() && (_shellpath_info._open_mode&~OWM_PIDL)==(mode&~OWM_PIDL)) {
        ShellPath shell_path = path;

        _shellBrowser->jump_to(shell_path);

        _shellpath_info._shell_path = shell_path;
    } else {
        _shellpath_info._open_mode = mode;
        _shellpath_info._shell_path = path;

        update_shell_browser();
    }
}