nstc.c 49.8 KB
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/*
 * NamespaceTreeControl implementation.
 *
 * Copyright 2010 David Hedberg
 *
 * 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 St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include <stdarg.h>

#define COBJMACROS
#define NONAMELESSUNION
#define NONAMELESSSTRUCT

#include "winerror.h"
#include "windef.h"
#include "winbase.h"
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#include "winuser.h"
#include "shellapi.h"
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#include "wine/list.h"
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#include "wine/debug.h"

#include "explorerframe_main.h"

WINE_DEFAULT_DEBUG_CHANNEL(nstc);

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typedef struct nstc_root {
    IShellItem *psi;
    HTREEITEM htreeitem;
    SHCONTF enum_flags;
    NSTCROOTSTYLE root_style;
    IShellItemFilter *pif;
    struct list entry;
} nstc_root;

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typedef struct {
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    INameSpaceTreeControl2 INameSpaceTreeControl2_iface;
    IOleWindow IOleWindow_iface;
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    LONG ref;
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    HWND hwnd_main;
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    HWND hwnd_tv;
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    WNDPROC tv_oldwndproc;

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    NSTCSTYLE style;
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    NSTCSTYLE2 style2;
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    struct list roots;
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    INameSpaceTreeControlEvents *pnstce;
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} NSTC2Impl;

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static const DWORD unsupported_styles =
    NSTCS_SINGLECLICKEXPAND | NSTCS_NOREPLACEOPEN | NSTCS_NOORDERSTREAM | NSTCS_FAVORITESMODE |
    NSTCS_EMPTYTEXT | NSTCS_ALLOWJUNCTIONS | NSTCS_SHOWTABSBUTTON | NSTCS_SHOWDELETEBUTTON |
    NSTCS_SHOWREFRESHBUTTON | NSTCS_SPRINGEXPAND | NSTCS_RICHTOOLTIP | NSTCS_NOINDENTCHECKS;
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static const DWORD unsupported_styles2 =
    NSTCS2_INTERRUPTNOTIFICATIONS | NSTCS2_SHOWNULLSPACEMENU | NSTCS2_DISPLAYPADDING |
    NSTCS2_DISPLAYPINNEDONLY | NTSCS2_NOSINGLETONAUTOEXPAND | NTSCS2_NEVERINSERTNONENUMERATED;
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static inline NSTC2Impl *impl_from_INameSpaceTreeControl2(INameSpaceTreeControl2 *iface)
{
    return CONTAINING_RECORD(iface, NSTC2Impl, INameSpaceTreeControl2_iface);
}

static inline NSTC2Impl *impl_from_IOleWindow(IOleWindow *iface)
{
    return CONTAINING_RECORD(iface, NSTC2Impl, IOleWindow_iface);
}

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/* Forward declarations */
static LRESULT CALLBACK tv_wndproc(HWND hWnd, UINT uMessage, WPARAM wParam, LPARAM lParam);

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/*************************************************************************
* NamespaceTree event wrappers
*/
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static HRESULT events_OnGetDefaultIconIndex(NSTC2Impl *This, IShellItem *psi,
                                            int *piDefaultIcon, int *piOpenIcon)
{
    HRESULT ret;
    LONG refcount;
    if(!This->pnstce) return E_NOTIMPL;

    refcount = IShellItem_AddRef(psi);
    ret = INameSpaceTreeControlEvents_OnGetDefaultIconIndex(This->pnstce, psi, piDefaultIcon, piOpenIcon);
    if(IShellItem_Release(psi) < refcount - 1)
        ERR("ShellItem was released by client - please file a bug.\n");
    return ret;
}

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static HRESULT events_OnItemAdded(NSTC2Impl *This, IShellItem *psi, BOOL fIsRoot)
{
    HRESULT ret;
    LONG refcount;
    if(!This->pnstce) return S_OK;

    refcount = IShellItem_AddRef(psi);
    ret = INameSpaceTreeControlEvents_OnItemAdded(This->pnstce, psi, fIsRoot);
    if(IShellItem_Release(psi) < refcount - 1)
        ERR("ShellItem was released by client - please file a bug.\n");
    return ret;
}

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static HRESULT events_OnItemDeleted(NSTC2Impl *This, IShellItem *psi, BOOL fIsRoot)
{
    HRESULT ret;
    LONG refcount;
    if(!This->pnstce) return S_OK;

    refcount = IShellItem_AddRef(psi);
    ret = INameSpaceTreeControlEvents_OnItemDeleted(This->pnstce, psi, fIsRoot);
    if(IShellItem_Release(psi) < refcount - 1)
        ERR("ShellItem was released by client - please file a bug.\n");
    return ret;
}

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static HRESULT events_OnBeforeExpand(NSTC2Impl *This, IShellItem *psi)
{
    HRESULT ret;
    LONG refcount;
    if(!This->pnstce) return S_OK;

    refcount = IShellItem_AddRef(psi);
    ret = INameSpaceTreeControlEvents_OnBeforeExpand(This->pnstce, psi);
    if(IShellItem_Release(psi) < refcount - 1)
        ERR("ShellItem was released by client - please file a bug.\n");
    return ret;
}

static HRESULT events_OnAfterExpand(NSTC2Impl *This, IShellItem *psi)
{
    HRESULT ret;
    LONG refcount;
    if(!This->pnstce) return S_OK;

    refcount = IShellItem_AddRef(psi);
    ret = INameSpaceTreeControlEvents_OnAfterExpand(This->pnstce, psi);
    if(IShellItem_Release(psi) < refcount - 1)
        ERR("ShellItem was released by client - please file a bug.\n");
    return ret;
}

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static HRESULT events_OnItemClick(NSTC2Impl *This, IShellItem *psi,
                                  NSTCEHITTEST nstceHitTest, NSTCECLICKTYPE nstceClickType)
{
    HRESULT ret;
    LONG refcount;
    if(!This->pnstce) return S_OK;

    refcount = IShellItem_AddRef(psi);
    ret = INameSpaceTreeControlEvents_OnItemClick(This->pnstce, psi, nstceHitTest, nstceClickType);
    if(IShellItem_Release(psi) < refcount - 1)
        ERR("ShellItem was released by client - please file a bug.\n");
    return ret;
}

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static HRESULT events_OnSelectionChanged(NSTC2Impl *This, IShellItemArray *psia)
{
    if(!This->pnstce) return S_OK;

    return INameSpaceTreeControlEvents_OnSelectionChanged(This->pnstce, psia);
}

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static HRESULT events_OnKeyboardInput(NSTC2Impl *This, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    if(!This->pnstce) return S_OK;

    return INameSpaceTreeControlEvents_OnKeyboardInput(This->pnstce, uMsg, wParam, lParam);
}

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/*************************************************************************
 * NamespaceTree helper functions
 */
static DWORD treeview_style_from_nstcs(NSTC2Impl *This, NSTCSTYLE nstcs,
                                       NSTCSTYLE nstcs_mask, DWORD *new_style)
{
    DWORD old_style, tv_mask = 0;
    TRACE("%p, %x, %x, %p\n", This, nstcs, nstcs_mask, new_style);

    if(This->hwnd_tv)
        old_style = GetWindowLongPtrW(This->hwnd_tv, GWL_STYLE);
    else
        old_style = /* The default */
            WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN |
            WS_TABSTOP | TVS_NOHSCROLL | TVS_NONEVENHEIGHT | TVS_INFOTIP |
            TVS_EDITLABELS | TVS_TRACKSELECT;

    if(nstcs_mask & NSTCS_HASEXPANDOS)         tv_mask |= TVS_HASBUTTONS;
    if(nstcs_mask & NSTCS_HASLINES)            tv_mask |= TVS_HASLINES;
    if(nstcs_mask & NSTCS_FULLROWSELECT)       tv_mask |= TVS_FULLROWSELECT;
    if(nstcs_mask & NSTCS_HORIZONTALSCROLL)    tv_mask |= TVS_NOHSCROLL;
    if(nstcs_mask & NSTCS_ROOTHASEXPANDO)      tv_mask |= TVS_LINESATROOT;
    if(nstcs_mask & NSTCS_SHOWSELECTIONALWAYS) tv_mask |= TVS_SHOWSELALWAYS;
    if(nstcs_mask & NSTCS_NOINFOTIP)           tv_mask |= TVS_INFOTIP;
    if(nstcs_mask & NSTCS_EVENHEIGHT)          tv_mask |= TVS_NONEVENHEIGHT;
    if(nstcs_mask & NSTCS_DISABLEDRAGDROP)     tv_mask |= TVS_DISABLEDRAGDROP;
    if(nstcs_mask & NSTCS_NOEDITLABELS)        tv_mask |= TVS_EDITLABELS;
    if(nstcs_mask & NSTCS_CHECKBOXES)          tv_mask |= TVS_CHECKBOXES;

    *new_style = 0;

    if(nstcs & NSTCS_HASEXPANDOS)         *new_style |= TVS_HASBUTTONS;
    if(nstcs & NSTCS_HASLINES)            *new_style |= TVS_HASLINES;
    if(nstcs & NSTCS_FULLROWSELECT)       *new_style |= TVS_FULLROWSELECT;
    if(!(nstcs & NSTCS_HORIZONTALSCROLL)) *new_style |= TVS_NOHSCROLL;
    if(nstcs & NSTCS_ROOTHASEXPANDO)      *new_style |= TVS_LINESATROOT;
    if(nstcs & NSTCS_SHOWSELECTIONALWAYS) *new_style |= TVS_SHOWSELALWAYS;
    if(!(nstcs & NSTCS_NOINFOTIP))        *new_style |= TVS_INFOTIP;
    if(!(nstcs & NSTCS_EVENHEIGHT))       *new_style |= TVS_NONEVENHEIGHT;
    if(nstcs & NSTCS_DISABLEDRAGDROP)     *new_style |= TVS_DISABLEDRAGDROP;
    if(!(nstcs & NSTCS_NOEDITLABELS))     *new_style |= TVS_EDITLABELS;
    if(nstcs & NSTCS_CHECKBOXES)          *new_style |= TVS_CHECKBOXES;

    *new_style = (old_style & ~tv_mask) | (*new_style & tv_mask);

    TRACE("old: %08x, new: %08x\n", old_style, *new_style);

    return old_style^*new_style;
}

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static IShellItem *shellitem_from_treeitem(NSTC2Impl *This, HTREEITEM hitem)
{
    TVITEMEXW tvi;

    tvi.mask = TVIF_PARAM;
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    tvi.lParam = 0;
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    tvi.hItem = hitem;

    SendMessageW(This->hwnd_tv, TVM_GETITEMW, 0, (LPARAM)&tvi);

    TRACE("ShellItem: %p\n", (void*)tvi.lParam);
    return (IShellItem*)tvi.lParam;
}

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/* Returns the root that the given treeitem belongs to. */
static nstc_root *root_for_treeitem(NSTC2Impl *This, HTREEITEM hitem)
{
    HTREEITEM tmp, hroot = hitem;
    nstc_root *root;

    /* Work our way up the hierarchy */
    for(tmp = hitem; tmp != NULL; hroot = tmp?tmp:hroot)
        tmp = (HTREEITEM)SendMessageW(This->hwnd_tv, TVM_GETNEXTITEM, TVGN_PARENT, (LPARAM)hroot);

    /* Search through the list of roots for a match */
    LIST_FOR_EACH_ENTRY(root, &This->roots, nstc_root, entry)
        if(root->htreeitem == hroot)
            break;

    TRACE("root is %p\n", root);
    return root;
}

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/* Find a shellitem in the tree, starting from the given node. */
static HTREEITEM search_for_shellitem(NSTC2Impl *This, HTREEITEM node,
                                      IShellItem *psi)
{
    IShellItem *psi_node;
    HTREEITEM next, result = NULL;
    HRESULT hr;
    int cmpo;
    TRACE("%p, %p, %p\n", This, node, psi);

    /* Check this node */
    psi_node = shellitem_from_treeitem(This, node);
    hr = IShellItem_Compare(psi, psi_node, SICHINT_DISPLAY, &cmpo);
    if(hr == S_OK)
        return node;

    /* Any children? */
    next = (HTREEITEM)SendMessageW(This->hwnd_tv, TVM_GETNEXTITEM,
                                   TVGN_CHILD, (LPARAM)node);
    if(next)
    {
        result = search_for_shellitem(This, next, psi);
        if(result) return result;
    }

    /* Try our next sibling. */
    next = (HTREEITEM)SendMessageW(This->hwnd_tv, TVM_GETNEXTITEM,
                                   TVGN_NEXT, (LPARAM)node);
    if(next)
        result = search_for_shellitem(This, next, psi);

    return result;
}

static HTREEITEM treeitem_from_shellitem(NSTC2Impl *This, IShellItem *psi)
{
    HTREEITEM root;
    TRACE("%p, %p\n", This, psi);

    root = (HTREEITEM)SendMessageW(This->hwnd_tv, TVM_GETNEXTITEM,
                                   TVGN_ROOT, 0);
    if(!root)
        return NULL;

    return search_for_shellitem(This, root, psi);
}

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static int get_icon(LPCITEMIDLIST lpi, UINT extra_flags)
{
    SHFILEINFOW sfi;
    UINT flags = SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON;
    SHGetFileInfoW((LPCWSTR)lpi, 0 ,&sfi, sizeof(SHFILEINFOW), flags | extra_flags);
    return sfi.iIcon;
}

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/* Insert a shellitem into the given place in the tree and return the
   resulting treeitem. */
static HTREEITEM insert_shellitem(NSTC2Impl *This, IShellItem *psi,
                                  HTREEITEM hParent, HTREEITEM hInsertAfter)
{
    TVINSERTSTRUCTW tvins;
    TVITEMEXW *tvi = &tvins.u.itemex;
    HTREEITEM hinserted;
    TRACE("%p (%p, %p)\n", psi, hParent, hInsertAfter);

    tvi->mask = TVIF_PARAM | TVIF_CHILDREN | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_TEXT;
    tvi->cChildren = I_CHILDRENCALLBACK;
    tvi->iImage = tvi->iSelectedImage = I_IMAGECALLBACK;
    tvi->pszText = LPSTR_TEXTCALLBACKW;

    /* Every treeitem contains a pointer to the corresponding ShellItem. */
    tvi->lParam = (LPARAM)psi;
    tvins.hParent = hParent;
    tvins.hInsertAfter = hInsertAfter;

    hinserted = (HTREEITEM)SendMessageW(This->hwnd_tv, TVM_INSERTITEMW, 0,
                                        (LPARAM)(LPTVINSERTSTRUCTW)&tvins);
    if(hinserted)
        IShellItem_AddRef(psi);

    return hinserted;
}

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/* Enumerates the children of the folder represented by hitem
 * according to the settings for the root, and adds them to the
 * treeview. Returns the number of children added. */
static UINT fill_sublevel(NSTC2Impl *This, HTREEITEM hitem)
{
    IShellItem *psiParent = shellitem_from_treeitem(This, hitem);
    nstc_root *root = root_for_treeitem(This, hitem);
    LPITEMIDLIST pidl_parent;
    IShellFolder *psf;
    IEnumIDList *peidl;
    UINT added = 0;
    HRESULT hr;

    hr = SHGetIDListFromObject((IUnknown*)psiParent, &pidl_parent);
    if(SUCCEEDED(hr))
    {
        hr = IShellItem_BindToHandler(psiParent, NULL, &BHID_SFObject, &IID_IShellFolder, (void**)&psf);
        if(SUCCEEDED(hr))
        {
            hr = IShellFolder_EnumObjects(psf, NULL, root->enum_flags, &peidl);
            if(SUCCEEDED(hr))
            {
                LPITEMIDLIST pidl;
                IShellItem *psi;
                ULONG fetched;

                while( S_OK == IEnumIDList_Next(peidl, 1, &pidl, &fetched) )
                {
                    hr = SHCreateShellItem(NULL, psf , pidl, &psi);
                    ILFree(pidl);
                    if(SUCCEEDED(hr))
                    {
                        if(insert_shellitem(This, psi, hitem, NULL))
                        {
                            events_OnItemAdded(This, psi, FALSE);
                            added++;
                        }

                        IShellItem_Release(psi);
                    }
                    else
                        ERR("SHCreateShellItem failed with 0x%08x\n", hr);
                }
                IEnumIDList_Release(peidl);
            }
            else
                ERR("EnumObjects failed with 0x%08x\n", hr);

            IShellFolder_Release(psf);
        }
        else
            ERR("BindToHandler failed with 0x%08x\n", hr);

        ILFree(pidl_parent);
    }
    else
        ERR("SHGetIDListFromObject failed with 0x%08x\n", hr);

    return added;
}

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static HTREEITEM get_selected_treeitem(NSTC2Impl *This)
{
    return (HTREEITEM)SendMessageW(This->hwnd_tv, TVM_GETNEXTITEM, TVGN_CARET, 0);
}

static IShellItem *get_selected_shellitem(NSTC2Impl *This)
{
    return shellitem_from_treeitem(This, get_selected_treeitem(This));
}

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static void collapse_all(NSTC2Impl *This, HTREEITEM node)
{
    HTREEITEM next;

    /* Collapse this node first, and then first child/next sibling. */
    SendMessageW(This->hwnd_tv, TVM_EXPAND, TVE_COLLAPSE, (LPARAM)node);

    next = (HTREEITEM)SendMessageW(This->hwnd_tv, TVM_GETNEXTITEM, TVGN_CHILD, (LPARAM)node);
    if(next) collapse_all(This, next);

    next = (HTREEITEM)SendMessageW(This->hwnd_tv, TVM_GETNEXTITEM, TVGN_NEXT, (LPARAM)node);
    if(next) collapse_all(This, next);
}

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static HTREEITEM treeitem_from_point(NSTC2Impl *This, const POINT *pt, UINT *hitflag)
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{
    TVHITTESTINFO tviht;
    tviht.pt.x = pt->x;
    tviht.pt.y = pt->y;
    tviht.hItem = NULL;

    SendMessageW(This->hwnd_tv, TVM_HITTEST, 0, (LPARAM)&tviht);
    if(hitflag) *hitflag = tviht.flags;
    return tviht.hItem;
}

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/*************************************************************************
 * NamespaceTree window functions
 */
static LRESULT create_namespacetree(HWND hWnd, CREATESTRUCTW *crs)
{
    NSTC2Impl *This = crs->lpCreateParams;
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    HIMAGELIST ShellSmallIconList;
    DWORD treeview_style, treeview_ex_style;
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    TRACE("%p (%p)\n", This, crs);
    SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LPARAM)This);
    This->hwnd_main = hWnd;

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    treeview_style_from_nstcs(This, This->style, 0xFFFFFFFF, &treeview_style);

    This->hwnd_tv = CreateWindowExW(0, WC_TREEVIEWW, NULL, treeview_style,
                                    0, 0, crs->cx, crs->cy,
                                    hWnd, NULL, explorerframe_hinstance, NULL);

    if(!This->hwnd_tv)
    {
        ERR("Failed to create treeview!\n");
        return HRESULT_FROM_WIN32(GetLastError());
    }

    treeview_ex_style = TVS_EX_DRAWIMAGEASYNC | TVS_EX_RICHTOOLTIP |
        TVS_EX_DOUBLEBUFFER | TVS_EX_NOSINGLECOLLAPSE;

    if(This->style & NSTCS_AUTOHSCROLL)
        treeview_ex_style |= TVS_EX_AUTOHSCROLL;
    if(This->style & NSTCS_FADEINOUTEXPANDOS)
        treeview_ex_style |= TVS_EX_FADEINOUTEXPANDOS;
    if(This->style & NSTCS_PARTIALCHECKBOXES)
        treeview_ex_style |= TVS_EX_PARTIALCHECKBOXES;
    if(This->style & NSTCS_EXCLUSIONCHECKBOXES)
        treeview_ex_style |= TVS_EX_EXCLUSIONCHECKBOXES;
    if(This->style & NSTCS_DIMMEDCHECKBOXES)
        treeview_ex_style |= TVS_EX_DIMMEDCHECKBOXES;

    SendMessageW(This->hwnd_tv, TVM_SETEXTENDEDSTYLE, treeview_ex_style, 0xffff);

    if(Shell_GetImageLists(NULL, &ShellSmallIconList))
    {
        SendMessageW(This->hwnd_tv, TVM_SETIMAGELIST,
                     (WPARAM)TVSIL_NORMAL, (LPARAM)ShellSmallIconList);
    }
    else
    {
        ERR("Failed to get the System Image List.\n");
    }

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    INameSpaceTreeControl2_AddRef(&This->INameSpaceTreeControl2_iface);
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    /* Subclass the treeview to get the keybord events. */
    This->tv_oldwndproc = (WNDPROC)SetWindowLongPtrW(This->hwnd_tv, GWLP_WNDPROC,
                                                     (ULONG_PTR)tv_wndproc);
    if(This->tv_oldwndproc)
        SetPropA(This->hwnd_tv, "PROP_THIS", This);

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    return TRUE;
}

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static LRESULT resize_namespacetree(NSTC2Impl *This)
{
    RECT rc;
    TRACE("%p\n", This);

    GetClientRect(This->hwnd_main, &rc);
    MoveWindow(This->hwnd_tv, 0, 0, rc.right-rc.left, rc.bottom-rc.top, TRUE);

    return TRUE;
}

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static LRESULT destroy_namespacetree(NSTC2Impl *This)
{
    TRACE("%p\n", This);

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    /* Undo the subclassing */
    if(This->tv_oldwndproc)
    {
        SetWindowLongPtrW(This->hwnd_tv, GWLP_WNDPROC, (ULONG_PTR)This->tv_oldwndproc);
        RemovePropA(This->hwnd_tv, "PROP_THIS");
    }

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    INameSpaceTreeControl2_RemoveAllRoots(&This->INameSpaceTreeControl2_iface);
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    /* This reference was added in create_namespacetree */
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    INameSpaceTreeControl2_Release(&This->INameSpaceTreeControl2_iface);
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    return TRUE;
}

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static LRESULT on_tvn_deleteitemw(NSTC2Impl *This, LPARAM lParam)
{
    NMTREEVIEWW *nmtv = (NMTREEVIEWW*)lParam;
    TRACE("%p\n", This);

    IShellItem_Release((IShellItem*)nmtv->itemOld.lParam);
    return TRUE;
}

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static LRESULT on_tvn_getdispinfow(NSTC2Impl *This, LPARAM lParam)
{
    NMTVDISPINFOW *dispinfo = (NMTVDISPINFOW*)lParam;
    TVITEMEXW *item = (TVITEMEXW*)&dispinfo->item;
    IShellItem *psi = shellitem_from_treeitem(This, item->hItem);
    HRESULT hr;

    TRACE("%p, %p (mask: %x)\n", This, dispinfo, item->mask);

    if(item->mask & TVIF_CHILDREN)
    {
        SFGAOF sfgao;

        hr = IShellItem_GetAttributes(psi, SFGAO_HASSUBFOLDER, &sfgao);
        if(SUCCEEDED(hr))
            item->cChildren = (sfgao & SFGAO_HASSUBFOLDER)?1:0;
        else
            item->cChildren = 1;

        item->mask |= TVIF_DI_SETITEM;
    }

    if(item->mask & (TVIF_IMAGE|TVIF_SELECTEDIMAGE))
    {
        LPITEMIDLIST pidl;

        hr = events_OnGetDefaultIconIndex(This, psi, &item->iImage, &item->iSelectedImage);
        if(FAILED(hr))
        {
            hr = SHGetIDListFromObject((IUnknown*)psi, &pidl);
            if(SUCCEEDED(hr))
            {
                item->iImage = item->iSelectedImage = get_icon(pidl, 0);
                item->mask |= TVIF_DI_SETITEM;
                ILFree(pidl);
            }
            else
                ERR("Failed to get IDList (%08x).\n", hr);
        }
    }

    if(item->mask & TVIF_TEXT)
    {
        LPWSTR display_name;

        hr = IShellItem_GetDisplayName(psi, SIGDN_NORMALDISPLAY, &display_name);
        if(SUCCEEDED(hr))
        {
            lstrcpynW(item->pszText, display_name, MAX_PATH);
            item->mask |= TVIF_DI_SETITEM;
            CoTaskMemFree(display_name);
        }
        else
            ERR("Failed to get display name (%08x).\n", hr);
    }

    return TRUE;
}

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static BOOL treenode_has_subfolders(NSTC2Impl *This, HTREEITEM node)
{
    return SendMessageW(This->hwnd_tv, TVM_GETNEXTITEM, TVGN_CHILD, (LPARAM)node);
}

static LRESULT on_tvn_itemexpandingw(NSTC2Impl *This, LPARAM lParam)
{
    NMTREEVIEWW *nmtv = (NMTREEVIEWW*)lParam;
    IShellItem *psi;
    TRACE("%p\n", This);

    psi = shellitem_from_treeitem(This, nmtv->itemNew.hItem);
    events_OnBeforeExpand(This, psi);

    if(!treenode_has_subfolders(This, nmtv->itemNew.hItem))
    {
        /* The node has no children, try to find some */
        if(!fill_sublevel(This, nmtv->itemNew.hItem))
        {
            TVITEMEXW tvi;
            /* Failed to enumerate any children, remove the expando
             * (if any). */
            tvi.hItem = nmtv->itemNew.hItem;
            tvi.mask = TVIF_CHILDREN;
            tvi.cChildren = 0;
            SendMessageW(This->hwnd_tv, TVM_SETITEMW, 0, (LPARAM)&tvi);

            return TRUE;
        }
    }
    return FALSE;
}

static LRESULT on_tvn_itemexpandedw(NSTC2Impl *This, LPARAM lParam)
{
    NMTREEVIEWW *nmtv = (NMTREEVIEWW*)lParam;
    IShellItem *psi;
    TRACE("%p\n", This);

    psi = shellitem_from_treeitem(This, nmtv->itemNew.hItem);
    events_OnAfterExpand(This, psi);
    return TRUE;
}

650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669
static LRESULT on_tvn_selchangedw(NSTC2Impl *This, LPARAM lParam)
{
    NMTREEVIEWW *nmtv = (NMTREEVIEWW*)lParam;
    IShellItemArray *psia;
    IShellItem *psi;
    HRESULT hr;
    TRACE("%p\n", This);

    /* Note: Only supports one selected item. */
    psi = shellitem_from_treeitem(This, nmtv->itemNew.hItem);
    hr = SHCreateShellItemArrayFromShellItem(psi, &IID_IShellItemArray, (void**)&psia);
    if(SUCCEEDED(hr))
    {
        events_OnSelectionChanged(This, psia);
        IShellItemArray_Release(psia);
    }

    return TRUE;
}

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static LRESULT on_nm_click(NSTC2Impl *This, NMHDR *nmhdr)
{
    TVHITTESTINFO tvhit;
    IShellItem *psi;
    HRESULT hr;
    TRACE("%p (%p)\n", This, nmhdr);

    GetCursorPos(&tvhit.pt);
    ScreenToClient(This->hwnd_tv, &tvhit.pt);
    SendMessageW(This->hwnd_tv, TVM_HITTEST, 0, (LPARAM)&tvhit);

    if(tvhit.flags & (TVHT_NOWHERE|TVHT_ABOVE|TVHT_BELOW))
        return TRUE;

    /* TVHT_ maps onto the corresponding NSTCEHT_ */
    psi = shellitem_from_treeitem(This, tvhit.hItem);
    hr = events_OnItemClick(This, psi, tvhit.flags, NSTCECT_LBUTTON);

    /* The expando should not be expanded unless
     * double-clicked. */
    if(tvhit.flags == TVHT_ONITEMBUTTON)
        return TRUE;

    if(SUCCEEDED(hr))
        return FALSE;
    else
        return TRUE;
}

static LRESULT on_wm_mbuttonup(NSTC2Impl *This, WPARAM wParam, LPARAM lParam)
{
    TVHITTESTINFO tvhit;
    IShellItem *psi;
    HRESULT hr;
    TRACE("%p (%lx, %lx)\n", This, wParam, lParam);

    tvhit.pt.x = (int)(short)LOWORD(lParam);
    tvhit.pt.y = (int)(short)HIWORD(lParam);

    SendMessageW(This->hwnd_tv, TVM_HITTEST, 0, (LPARAM)&tvhit);

    /* Seems to generate only ONITEM and ONITEMICON */
    if( !(tvhit.flags & (TVHT_ONITEM|TVHT_ONITEMICON)) )
        return FALSE;

    psi = shellitem_from_treeitem(This, tvhit.hItem);
    hr = events_OnItemClick(This, psi, tvhit.flags, NSTCECT_MBUTTON);

    if(SUCCEEDED(hr))
        return FALSE;
    else
        return TRUE;
}

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static LRESULT on_kbd_event(NSTC2Impl *This, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    IShellItem *psi;
    HTREEITEM hitem;
    TRACE("%p : %d, %lx, %lx\n", This, uMsg, wParam, lParam);

    /* Handled by the client? */
    if(FAILED(events_OnKeyboardInput(This, uMsg, wParam, lParam)))
        return TRUE;

    if(uMsg == WM_KEYDOWN)
    {
        switch(wParam)
        {
        case VK_DELETE:
            psi = get_selected_shellitem(This);
            FIXME("Deletion of file requested (shellitem: %p).\n", psi);
            return TRUE;

        case VK_F2:
            hitem = get_selected_treeitem(This);
            SendMessageW(This->hwnd_tv, TVM_EDITLABELW, 0, (LPARAM)hitem);
            return TRUE;
        }
    }

    /* Let the TreeView handle the key */
    return FALSE;
}

static LRESULT CALLBACK tv_wndproc(HWND hWnd, UINT uMessage, WPARAM wParam, LPARAM lParam)
{
    NSTC2Impl *This = (NSTC2Impl*)GetPropA(hWnd, "PROP_THIS");

    switch(uMessage) {
    case WM_KEYDOWN:
    case WM_KEYUP:
    case WM_CHAR:
    case WM_SYSKEYDOWN:
    case WM_SYSKEYUP:
    case WM_SYSCHAR:
        if(on_kbd_event(This, uMessage, wParam, lParam))
            return TRUE;
        break;
768 769

    case WM_MBUTTONUP:        return on_wm_mbuttonup(This, wParam, lParam);
770 771 772 773 774 775
    }

    /* Pass the message on to the treeview */
    return CallWindowProcW(This->tv_oldwndproc, hWnd, uMessage, wParam, lParam);
}

776 777 778 779
static LRESULT CALLBACK NSTC2_WndProc(HWND hWnd, UINT uMessage,
                                      WPARAM wParam, LPARAM lParam)
{
    NSTC2Impl *This = (NSTC2Impl*)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
780
    NMHDR *nmhdr;
781 782 783 784

    switch(uMessage)
    {
    case WM_NCCREATE:         return create_namespacetree(hWnd, (CREATESTRUCTW*)lParam);
785
    case WM_SIZE:             return resize_namespacetree(This);
786
    case WM_DESTROY:          return destroy_namespacetree(This);
787 788 789 790
    case WM_NOTIFY:
        nmhdr = (NMHDR*)lParam;
        switch(nmhdr->code)
        {
791
        case NM_CLICK:            return on_nm_click(This, nmhdr);
792
        case TVN_DELETEITEMW:     return on_tvn_deleteitemw(This, lParam);
793
        case TVN_GETDISPINFOW:    return on_tvn_getdispinfow(This, lParam);
794 795
        case TVN_ITEMEXPANDINGW:  return on_tvn_itemexpandingw(This, lParam);
        case TVN_ITEMEXPANDEDW:   return on_tvn_itemexpandedw(This, lParam);
796
        case TVN_SELCHANGEDW:     return on_tvn_selchangedw(This, lParam);
797 798 799
        default:                  break;
        }
        break;
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    default:                  return DefWindowProcW(hWnd, uMessage, wParam, lParam);
    }
    return 0;
}

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/**************************************************************************
 * INameSpaceTreeControl2 Implementation
 */
static HRESULT WINAPI NSTC2_fnQueryInterface(INameSpaceTreeControl2* iface,
                                             REFIID riid,
                                             void **ppvObject)
{
812
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
813 814 815 816 817 818 819 820 821
    TRACE("%p (%s, %p)\n", This, debugstr_guid(riid), ppvObject);

    *ppvObject = NULL;
    if(IsEqualIID(riid, &IID_INameSpaceTreeControl2) ||
       IsEqualIID(riid, &IID_INameSpaceTreeControl) ||
       IsEqualIID(riid, &IID_IUnknown))
    {
        *ppvObject = This;
    }
822 823
    else if(IsEqualIID(riid, &IID_IOleWindow))
    {
824
        *ppvObject = &This->IOleWindow_iface;
825
    }
826 827 828 829 830 831 832 833 834 835 836 837

    if(*ppvObject)
    {
        IUnknown_AddRef((IUnknown*)*ppvObject);
        return S_OK;
    }

    return E_NOINTERFACE;
}

static ULONG WINAPI NSTC2_fnAddRef(INameSpaceTreeControl2* iface)
{
838
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
839 840 841 842 843 844 845 846 847
    LONG ref = InterlockedIncrement(&This->ref);

    TRACE("%p - ref %d\n", This, ref);

    return ref;
}

static ULONG WINAPI NSTC2_fnRelease(INameSpaceTreeControl2* iface)
{
848
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868
    LONG ref = InterlockedDecrement(&This->ref);

    TRACE("%p - ref: %d\n", This, ref);

    if(!ref)
    {
        TRACE("Freeing.\n");
        HeapFree(GetProcessHeap(), 0, This);
        EFRAME_UnlockModule();
        return 0;
    }

    return ref;
}

static HRESULT WINAPI NSTC2_fnInitialize(INameSpaceTreeControl2* iface,
                                         HWND hwndParent,
                                         RECT *prc,
                                         NSTCSTYLE nstcsFlags)
{
869
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
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    WNDCLASSW wc;
    DWORD window_style, window_ex_style;
    RECT rc;
    static const WCHAR NSTC2_CLASS_NAME[] =
        {'N','a','m','e','s','p','a','c','e','T','r','e','e',
         'C','o','n','t','r','o','l',0};

    TRACE("%p (%p, %p, %x)\n", This, hwndParent, prc, nstcsFlags);

879 880 881 882
    if(nstcsFlags & unsupported_styles)
        FIXME("0x%08x contains the unsupported style(s) 0x%08x\n",
              nstcsFlags, nstcsFlags & unsupported_styles);

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    This->style = nstcsFlags;

    if(!GetClassInfoW(explorerframe_hinstance, NSTC2_CLASS_NAME, &wc))
    {
        wc.style            = CS_HREDRAW | CS_VREDRAW;
        wc.lpfnWndProc      = NSTC2_WndProc;
        wc.cbClsExtra       = 0;
        wc.cbWndExtra       = 0;
        wc.hInstance        = explorerframe_hinstance;
        wc.hIcon            = 0;
        wc.hCursor          = LoadCursorW(0, (LPWSTR)IDC_ARROW);
        wc.hbrBackground    = (HBRUSH)(COLOR_WINDOW + 1);
        wc.lpszMenuName     = NULL;
        wc.lpszClassName    = NSTC2_CLASS_NAME;

        if (!RegisterClassW(&wc)) return E_FAIL;
    }

    /* NSTCS_TABSTOP and NSTCS_BORDER affects the host window */
    window_style = WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS |
        (nstcsFlags & NSTCS_BORDER ? WS_BORDER : 0);
    window_ex_style = nstcsFlags & NSTCS_TABSTOP ? WS_EX_CONTROLPARENT : 0;

    if(prc)
        CopyRect(&rc, prc);
    else
        rc.left = rc.right = rc.top = rc.bottom = 0;

    This->hwnd_main = CreateWindowExW(window_ex_style, NSTC2_CLASS_NAME, NULL, window_style,
                                      rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top,
                                      hwndParent, 0, explorerframe_hinstance, This);

    if(!This->hwnd_main)
    {
        ERR("Failed to create the window.\n");
        return HRESULT_FROM_WIN32(GetLastError());
    }

    return S_OK;
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}

static HRESULT WINAPI NSTC2_fnTreeAdvise(INameSpaceTreeControl2* iface,
                                         IUnknown *punk,
                                         DWORD *pdwCookie)
{
928
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
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    HRESULT hr;
    TRACE("%p (%p, %p)\n", This, punk, pdwCookie);

    *pdwCookie = 0;

    /* Only one client supported */
    if(This->pnstce)
        return E_FAIL;

    hr = IUnknown_QueryInterface(punk, &IID_INameSpaceTreeControlEvents,(void**)&This->pnstce);
    if(SUCCEEDED(hr))
    {
        *pdwCookie = 1;
        return hr;
    }

    return E_FAIL;
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}

static HRESULT WINAPI NSTC2_fnTreeUnadvise(INameSpaceTreeControl2* iface,
                                           DWORD dwCookie)
{
951
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
952 953 954 955 956 957 958 959 960 961 962
    TRACE("%p (%x)\n", This, dwCookie);

    /* The cookie is ignored. */

    if(This->pnstce)
    {
        INameSpaceTreeControlEvents_Release(This->pnstce);
        This->pnstce = NULL;
    }

    return S_OK;
963 964 965 966 967 968 969 970 971
}

static HRESULT WINAPI NSTC2_fnInsertRoot(INameSpaceTreeControl2* iface,
                                         int iIndex,
                                         IShellItem *psiRoot,
                                         SHCONTF grfEnumFlags,
                                         NSTCROOTSTYLE grfRootStyle,
                                         IShellItemFilter *pif)
{
972
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025
    nstc_root *new_root;
    struct list *add_after_entry;
    HTREEITEM add_after_hitem;
    UINT i;

    TRACE("%p, %d, %p, %x, %x, %p\n", This, iIndex, psiRoot, grfEnumFlags, grfRootStyle, pif);

    new_root = HeapAlloc(GetProcessHeap(), 0, sizeof(nstc_root));
    if(!new_root)
        return E_OUTOFMEMORY;

    new_root->psi = psiRoot;
    new_root->enum_flags = grfEnumFlags;
    new_root->root_style = grfRootStyle;
    new_root->pif = pif;

    /* We want to keep the roots in the internal list and in the
     * treeview in the same order. */
    add_after_entry = &This->roots;
    for(i = 0; i < max(0, iIndex) && list_next(&This->roots, add_after_entry); i++)
        add_after_entry = list_next(&This->roots, add_after_entry);

    if(add_after_entry == &This->roots)
        add_after_hitem = TVI_FIRST;
    else
        add_after_hitem = LIST_ENTRY(add_after_entry, nstc_root, entry)->htreeitem;

    new_root->htreeitem = insert_shellitem(This, psiRoot, TVI_ROOT, add_after_hitem);
    if(!new_root->htreeitem)
    {
        WARN("Failed to add the root.\n");
        HeapFree(GetProcessHeap(), 0, new_root);
        return E_FAIL;
    }

    list_add_after(add_after_entry, &new_root->entry);
    events_OnItemAdded(This, psiRoot, TRUE);

    if(grfRootStyle & NSTCRS_HIDDEN)
    {
        TVITEMEXW tvi;
        tvi.mask = TVIF_STATEEX;
        tvi.uStateEx = TVIS_EX_FLAT;
        tvi.hItem = new_root->htreeitem;

        SendMessageW(This->hwnd_tv, TVM_SETITEMW, 0, (LPARAM)&tvi);
    }

    if(grfRootStyle & NSTCRS_EXPANDED)
        SendMessageW(This->hwnd_tv, TVM_EXPAND, TVE_EXPAND,
                     (LPARAM)new_root->htreeitem);

    return S_OK;
1026 1027 1028 1029 1030 1031 1032 1033
}

static HRESULT WINAPI NSTC2_fnAppendRoot(INameSpaceTreeControl2* iface,
                                         IShellItem *psiRoot,
                                         SHCONTF grfEnumFlags,
                                         NSTCROOTSTYLE grfRootStyle,
                                         IShellItemFilter *pif)
{
1034
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1035 1036
    UINT root_count;
    TRACE("%p, %p, %x, %x, %p\n",
1037
          This, psiRoot, grfEnumFlags, grfRootStyle, pif);
1038 1039 1040 1041

    root_count = list_count(&This->roots);

    return NSTC2_fnInsertRoot(iface, root_count, psiRoot, grfEnumFlags, grfRootStyle, pif);
1042 1043 1044 1045 1046
}

static HRESULT WINAPI NSTC2_fnRemoveRoot(INameSpaceTreeControl2* iface,
                                         IShellItem *psiRoot)
{
1047
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069
    nstc_root *cursor, *root = NULL;
    TRACE("%p (%p)\n", This, psiRoot);

    if(!psiRoot)
        return E_NOINTERFACE;

    LIST_FOR_EACH_ENTRY(cursor, &This->roots, nstc_root, entry)
    {
        HRESULT hr;
        int order;
        hr = IShellItem_Compare(psiRoot, cursor->psi, SICHINT_DISPLAY, &order);
        if(hr == S_OK)
        {
            root = cursor;
            break;
        }
    }

    TRACE("root %p\n", root);
    if(root)
    {
        events_OnItemDeleted(This, root->psi, TRUE);
1070
        SendMessageW(This->hwnd_tv, TVM_DELETEITEM, 0, (LPARAM)root->htreeitem);
1071 1072 1073 1074 1075 1076 1077 1078 1079
        list_remove(&root->entry);
        HeapFree(GetProcessHeap(), 0, root);
        return S_OK;
    }
    else
    {
        WARN("No matching root found.\n");
        return E_FAIL;
    }
1080 1081 1082 1083
}

static HRESULT WINAPI NSTC2_fnRemoveAllRoots(INameSpaceTreeControl2* iface)
{
1084
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098
    nstc_root *cur1, *cur2;
    UINT removed = 0;
    TRACE("%p\n", This);

    LIST_FOR_EACH_ENTRY_SAFE(cur1, cur2, &This->roots, nstc_root, entry)
    {
        NSTC2_fnRemoveRoot(iface, cur1->psi);
        removed++;
    }

    if(removed)
        return S_OK;
    else
        return E_INVALIDARG;
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}

static HRESULT WINAPI NSTC2_fnGetRootItems(INameSpaceTreeControl2* iface,
                                           IShellItemArray **ppsiaRootItems)
{
1104
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116
    IShellFolder *psf;
    LPITEMIDLIST *array;
    nstc_root *root;
    UINT count, i;
    HRESULT hr;
    TRACE("%p (%p)\n", This, ppsiaRootItems);

    count = list_count(&This->roots);

    if(!count)
        return E_INVALIDARG;

1117
    array = HeapAlloc(GetProcessHeap(), 0, sizeof(LPITEMIDLIST)*count);
1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133

    i = 0;
    LIST_FOR_EACH_ENTRY(root, &This->roots, nstc_root, entry)
        SHGetIDListFromObject((IUnknown*)root->psi, &array[i++]);

    SHGetDesktopFolder(&psf);
    hr = SHCreateShellItemArray(NULL, psf, count, (PCUITEMID_CHILD_ARRAY)array,
                                ppsiaRootItems);
    IShellFolder_Release(psf);

    for(i = 0; i < count; i++)
        ILFree(array[i]);

    HeapFree(GetProcessHeap(), 0, array);

    return hr;
1134 1135 1136 1137 1138 1139 1140
}

static HRESULT WINAPI NSTC2_fnSetItemState(INameSpaceTreeControl2* iface,
                                           IShellItem *psi,
                                           NSTCITEMSTATE nstcisMask,
                                           NSTCITEMSTATE nstcisFlags)
{
1141
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
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    TVITEMEXW tvi;
    HTREEITEM hitem;

    TRACE("%p (%p, %x, %x)\n", This, psi, nstcisMask, nstcisFlags);

    hitem = treeitem_from_shellitem(This, psi);
    if(!hitem) return E_INVALIDARG;

    /* Passing both NSTCIS_SELECTED and NSTCIS_SELECTEDNOEXPAND results
       in two TVM_SETITEMW's */
    if((nstcisMask&nstcisFlags) & NSTCIS_SELECTED)
    {
        SendMessageW(This->hwnd_tv, TVM_SELECTITEM, TVGN_CARET, (LPARAM)hitem);
        SendMessageW(This->hwnd_tv, TVM_ENSUREVISIBLE, 0, (LPARAM)hitem);
    }
    if((nstcisMask&nstcisFlags) & NSTCIS_SELECTEDNOEXPAND)
    {
        SendMessageW(This->hwnd_tv, TVM_SELECTITEM, TVGN_CARET|TVSI_NOSINGLEEXPAND, (LPARAM)hitem);
    }

    /* If NSTCIS_EXPANDED is among the flags, the mask is ignored. */
    if((nstcisMask|nstcisFlags) & NSTCIS_EXPANDED)
    {
        WPARAM arg = nstcisFlags&NSTCIS_EXPANDED ? TVE_EXPAND:TVE_COLLAPSE;
        SendMessageW(This->hwnd_tv, TVM_EXPAND, arg, (LPARAM)hitem);
    }

    if(nstcisMask & NSTCIS_DISABLED)
        tvi.mask = TVIF_STATE | TVIF_STATEEX;
    else if( ((nstcisMask^nstcisFlags) & (NSTCIS_SELECTED|NSTCIS_EXPANDED|NSTCIS_SELECTEDNOEXPAND)) ||
             ((nstcisMask|nstcisFlags) & NSTCIS_BOLD) ||
             (nstcisFlags & NSTCIS_DISABLED) )
        tvi.mask = TVIF_STATE;
    else
        tvi.mask = 0;

    if(tvi.mask)
    {
        tvi.stateMask = tvi.state = 0;
        tvi.stateMask |= ((nstcisFlags^nstcisMask)&NSTCIS_SELECTED) ? TVIS_SELECTED : 0;
        tvi.stateMask |= (nstcisMask|nstcisFlags)&NSTCIS_BOLD ? TVIS_BOLD:0;
        tvi.state     |= (nstcisMask&nstcisFlags)&NSTCIS_BOLD ? TVIS_BOLD:0;

        if((nstcisMask&NSTCIS_EXPANDED)^(nstcisFlags&NSTCIS_EXPANDED))
        {
            tvi.stateMask = 0;
        }

        tvi.uStateEx = (nstcisFlags&nstcisMask)&NSTCIS_DISABLED?TVIS_EX_DISABLED:0;
        tvi.hItem = hitem;

        SendMessageW(This->hwnd_tv, TVM_SETITEMW, 0, (LPARAM)&tvi);
    }

    return S_OK;
1197 1198 1199 1200 1201 1202 1203
}

static HRESULT WINAPI NSTC2_fnGetItemState(INameSpaceTreeControl2* iface,
                                           IShellItem *psi,
                                           NSTCITEMSTATE nstcisMask,
                                           NSTCITEMSTATE *pnstcisFlags)
{
1204
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230
    HTREEITEM hitem;
    TVITEMEXW tvi;
    TRACE("%p (%p, %x, %p)\n", This, psi, nstcisMask, pnstcisFlags);

    hitem = treeitem_from_shellitem(This, psi);
    if(!hitem)
        return E_INVALIDARG;

    *pnstcisFlags = 0;

    tvi.hItem = hitem;
    tvi.mask = TVIF_STATE;
    tvi.stateMask = TVIS_SELECTED|TVIS_EXPANDED|TVIS_BOLD;

    if(nstcisMask & NSTCIS_DISABLED)
        tvi.mask |= TVIF_STATEEX;

    SendMessageW(This->hwnd_tv, TVM_GETITEMW, 0, (LPARAM)&tvi);
    *pnstcisFlags |= (tvi.state & TVIS_SELECTED)?NSTCIS_SELECTED:0;
    *pnstcisFlags |= (tvi.state & TVIS_EXPANDED)?NSTCIS_EXPANDED:0;
    *pnstcisFlags |= (tvi.state & TVIS_BOLD)?NSTCIS_BOLD:0;
    *pnstcisFlags |= (tvi.uStateEx & TVIS_EX_DISABLED)?NSTCIS_DISABLED:0;

    *pnstcisFlags &= nstcisMask;

    return S_OK;
1231 1232 1233 1234 1235
}

static HRESULT WINAPI NSTC2_fnGetSelectedItems(INameSpaceTreeControl2* iface,
                                               IShellItemArray **psiaItems)
{
1236
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247
    IShellItem *psiselected;
    HRESULT hr;
    TRACE("%p (%p)\n", This, psiaItems);

    psiselected = get_selected_shellitem(This);
    if(!psiselected)
        return E_FAIL;

    hr = SHCreateShellItemArrayFromShellItem(psiselected, &IID_IShellItemArray,
                                             (void**)psiaItems);
    return hr;
1248 1249 1250 1251 1252 1253
}

static HRESULT WINAPI NSTC2_fnGetItemCustomState(INameSpaceTreeControl2* iface,
                                                 IShellItem *psi,
                                                 int *piStateNumber)
{
1254
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1255 1256 1257 1258 1259 1260 1261 1262
    FIXME("stub, %p (%p, %p)\n", This, psi, piStateNumber);
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTC2_fnSetItemCustomState(INameSpaceTreeControl2* iface,
                                                 IShellItem *psi,
                                                 int iStateNumber)
{
1263
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1264 1265 1266 1267 1268 1269 1270
    FIXME("stub, %p (%p, %d)\n", This, psi, iStateNumber);
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTC2_fnEnsureItemVisible(INameSpaceTreeControl2* iface,
                                                IShellItem *psi)
{
1271
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283
    HTREEITEM hitem;

    TRACE("%p (%p)\n", This, psi);

    hitem = treeitem_from_shellitem(This, psi);
    if(hitem)
    {
        SendMessageW(This->hwnd_tv, TVM_ENSUREVISIBLE, 0, (WPARAM)hitem);
        return S_OK;
    }

    return E_INVALIDARG;
1284 1285 1286 1287 1288
}

static HRESULT WINAPI NSTC2_fnSetTheme(INameSpaceTreeControl2* iface,
                                       LPCWSTR pszTheme)
{
1289
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
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    FIXME("stub, %p (%p)\n", This, pszTheme);
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTC2_fnGetNextItem(INameSpaceTreeControl2* iface,
                                          IShellItem *psi,
                                          NSTCGNI nstcgi,
                                          IShellItem **ppsiNext)
{
1299
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336
    HTREEITEM hitem, hnext;
    UINT tvgn;
    TRACE("%p (%p, %x, %p)\n", This, psi, nstcgi, ppsiNext);

    if(!ppsiNext) return E_POINTER;
    if(!psi)      return E_FAIL;

    *ppsiNext = NULL;

    hitem = treeitem_from_shellitem(This, psi);
    if(!hitem)
        return E_INVALIDARG;

    switch(nstcgi)
    {
    case NSTCGNI_NEXT:         tvgn = TVGN_NEXT; break;
    case NSTCGNI_NEXTVISIBLE:  tvgn = TVGN_NEXTVISIBLE; break;
    case NSTCGNI_PREV:         tvgn = TVGN_PREVIOUS; break;
    case NSTCGNI_PREVVISIBLE:  tvgn = TVGN_PREVIOUSVISIBLE; break;
    case NSTCGNI_PARENT:       tvgn = TVGN_PARENT; break;
    case NSTCGNI_CHILD:        tvgn = TVGN_CHILD; break;
    case NSTCGNI_FIRSTVISIBLE: tvgn = TVGN_FIRSTVISIBLE; break;
    case NSTCGNI_LASTVISIBLE:  tvgn = TVGN_LASTVISIBLE; break;
    default:
        FIXME("Unknown nstcgi value %d\n", nstcgi);
        return E_FAIL;
    }

    hnext = (HTREEITEM)SendMessageW(This->hwnd_tv, TVM_GETNEXTITEM, tvgn, (WPARAM)hitem);
    if(hnext)
    {
        *ppsiNext = shellitem_from_treeitem(This, hnext);
        IShellItem_AddRef(*ppsiNext);
        return S_OK;
    }

    return E_FAIL;
1337 1338 1339 1340 1341 1342
}

static HRESULT WINAPI NSTC2_fnHitTest(INameSpaceTreeControl2* iface,
                                      POINT *ppt,
                                      IShellItem **ppsiOut)
{
1343
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362
    HTREEITEM hitem;
    TRACE("%p (%p, %p)\n", This, ppsiOut, ppt);

    if(!ppt || !ppsiOut)
        return E_POINTER;

    *ppsiOut = NULL;

    hitem = treeitem_from_point(This, ppt, NULL);
    if(hitem)
        *ppsiOut = shellitem_from_treeitem(This, hitem);

    if(*ppsiOut)
    {
        IShellItem_AddRef(*ppsiOut);
        return S_OK;
    }

    return S_FALSE;
1363 1364 1365 1366 1367 1368
}

static HRESULT WINAPI NSTC2_fnGetItemRect(INameSpaceTreeControl2* iface,
                                          IShellItem *psi,
                                          RECT *prect)
{
1369
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387
    HTREEITEM hitem;
    TRACE("%p (%p, %p)\n", This, psi, prect);

    if(!psi || !prect)
        return E_POINTER;

    hitem = treeitem_from_shellitem(This, psi);
    if(hitem)
    {
        *(HTREEITEM*)prect = hitem;
        if(SendMessageW(This->hwnd_tv, TVM_GETITEMRECT, FALSE, (LPARAM)prect))
        {
            MapWindowPoints(This->hwnd_tv, HWND_DESKTOP, (POINT*)prect, 2);
            return S_OK;
        }
    }

    return E_INVALIDARG;
1388 1389 1390 1391
}

static HRESULT WINAPI NSTC2_fnCollapseAll(INameSpaceTreeControl2* iface)
{
1392
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1393 1394 1395 1396 1397 1398 1399
    nstc_root *root;
    TRACE("%p\n", This);

    LIST_FOR_EACH_ENTRY(root, &This->roots, nstc_root, entry)
        collapse_all(This, root->htreeitem);

    return S_OK;
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}

static HRESULT WINAPI NSTC2_fnSetControlStyle(INameSpaceTreeControl2* iface,
                                              NSTCSTYLE nstcsMask,
                                              NSTCSTYLE nstcsStyle)
{
1406
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454
    static const DWORD tv_style_flags =
        NSTCS_HASEXPANDOS | NSTCS_HASLINES | NSTCS_FULLROWSELECT |
        NSTCS_HORIZONTALSCROLL | NSTCS_ROOTHASEXPANDO |
        NSTCS_SHOWSELECTIONALWAYS | NSTCS_NOINFOTIP | NSTCS_EVENHEIGHT |
        NSTCS_DISABLEDRAGDROP | NSTCS_NOEDITLABELS | NSTCS_CHECKBOXES;
    static const DWORD host_style_flags = NSTCS_TABSTOP | NSTCS_BORDER;
    static const DWORD nstc_flags =
        NSTCS_SINGLECLICKEXPAND | NSTCS_NOREPLACEOPEN | NSTCS_NOORDERSTREAM |
        NSTCS_FAVORITESMODE | NSTCS_EMPTYTEXT | NSTCS_ALLOWJUNCTIONS |
        NSTCS_SHOWTABSBUTTON | NSTCS_SHOWDELETEBUTTON | NSTCS_SHOWREFRESHBUTTON;
    TRACE("%p (%x, %x)\n", This, nstcsMask, nstcsStyle);

    /* Fail if there is an attempt to set an unknown style. */
    if(nstcsMask & ~(tv_style_flags | host_style_flags | nstc_flags))
        return E_FAIL;

    if(nstcsMask & tv_style_flags)
    {
        DWORD new_style;
        treeview_style_from_nstcs(This, nstcsStyle, nstcsMask, &new_style);
        SetWindowLongPtrW(This->hwnd_tv, GWL_STYLE, new_style);
    }

    /* Flags affecting the host window */
    if(nstcsMask & NSTCS_BORDER)
    {
        DWORD new_style = GetWindowLongPtrW(This->hwnd_main, GWL_STYLE);
        new_style &= ~WS_BORDER;
        new_style |= nstcsStyle & NSTCS_BORDER ? WS_BORDER : 0;
        SetWindowLongPtrW(This->hwnd_main, GWL_STYLE, new_style);
    }
    if(nstcsMask & NSTCS_TABSTOP)
    {
        DWORD new_style = GetWindowLongPtrW(This->hwnd_main, GWL_EXSTYLE);
        new_style &= ~WS_EX_CONTROLPARENT;
        new_style |= nstcsStyle & NSTCS_TABSTOP ? WS_EX_CONTROLPARENT : 0;
        SetWindowLongPtrW(This->hwnd_main, GWL_EXSTYLE, new_style);
    }

    if((nstcsStyle & nstcsMask) & unsupported_styles)
        FIXME("mask & style (0x%08x) contains unsupported style(s): 0x%08x\n",
              (nstcsStyle & nstcsMask),
              (nstcsStyle & nstcsMask) & unsupported_styles);

    This->style &= ~nstcsMask;
    This->style |= (nstcsStyle & nstcsMask);

    return S_OK;
1455 1456 1457 1458 1459 1460
}

static HRESULT WINAPI NSTC2_fnGetControlStyle(INameSpaceTreeControl2* iface,
                                              NSTCSTYLE nstcsMask,
                                              NSTCSTYLE *pnstcsStyle)
{
1461
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1462 1463 1464 1465 1466
    TRACE("%p (%x, %p)\n", This, nstcsMask, pnstcsStyle);

    *pnstcsStyle = (This->style & nstcsMask);

    return S_OK;
1467 1468 1469 1470 1471 1472
}

static HRESULT WINAPI NSTC2_fnSetControlStyle2(INameSpaceTreeControl2* iface,
                                               NSTCSTYLE2 nstcsMask,
                                               NSTCSTYLE2 nstcsStyle)
{
1473
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484
    TRACE("%p (%x, %x)\n", This, nstcsMask, nstcsStyle);

    if((nstcsStyle & nstcsMask) & unsupported_styles2)
        FIXME("mask & style (0x%08x) contains unsupported style(s): 0x%08x\n",
              (nstcsStyle & nstcsMask),
              (nstcsStyle & nstcsMask) & unsupported_styles2);

    This->style2 &= ~nstcsMask;
    This->style2 |= (nstcsStyle & nstcsMask);

    return S_OK;
1485 1486 1487 1488 1489 1490
}

static HRESULT WINAPI NSTC2_fnGetControlStyle2(INameSpaceTreeControl2* iface,
                                               NSTCSTYLE2 nstcsMask,
                                               NSTCSTYLE2 *pnstcsStyle)
{
1491
    NSTC2Impl *This = impl_from_INameSpaceTreeControl2(iface);
1492 1493 1494 1495 1496
    TRACE("%p (%x, %p)\n", This, nstcsMask, pnstcsStyle);

    *pnstcsStyle = (This->style2 & nstcsMask);

    return S_OK;
1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527
}

static const INameSpaceTreeControl2Vtbl vt_INameSpaceTreeControl2 = {
    NSTC2_fnQueryInterface,
    NSTC2_fnAddRef,
    NSTC2_fnRelease,
    NSTC2_fnInitialize,
    NSTC2_fnTreeAdvise,
    NSTC2_fnTreeUnadvise,
    NSTC2_fnAppendRoot,
    NSTC2_fnInsertRoot,
    NSTC2_fnRemoveRoot,
    NSTC2_fnRemoveAllRoots,
    NSTC2_fnGetRootItems,
    NSTC2_fnSetItemState,
    NSTC2_fnGetItemState,
    NSTC2_fnGetSelectedItems,
    NSTC2_fnGetItemCustomState,
    NSTC2_fnSetItemCustomState,
    NSTC2_fnEnsureItemVisible,
    NSTC2_fnSetTheme,
    NSTC2_fnGetNextItem,
    NSTC2_fnHitTest,
    NSTC2_fnGetItemRect,
    NSTC2_fnCollapseAll,
    NSTC2_fnSetControlStyle,
    NSTC2_fnGetControlStyle,
    NSTC2_fnSetControlStyle2,
    NSTC2_fnGetControlStyle2
};

1528 1529 1530 1531 1532 1533 1534 1535
/**************************************************************************
 * IOleWindow Implementation
 */

static HRESULT WINAPI IOW_fnQueryInterface(IOleWindow *iface, REFIID riid, void **ppvObject)
{
    NSTC2Impl *This = impl_from_IOleWindow(iface);
    TRACE("%p\n", This);
1536
    return NSTC2_fnQueryInterface(&This->INameSpaceTreeControl2_iface, riid, ppvObject);
1537 1538 1539 1540 1541 1542
}

static ULONG WINAPI IOW_fnAddRef(IOleWindow *iface)
{
    NSTC2Impl *This = impl_from_IOleWindow(iface);
    TRACE("%p\n", This);
1543
    return NSTC2_fnAddRef(&This->INameSpaceTreeControl2_iface);
1544 1545 1546 1547 1548 1549
}

static ULONG WINAPI IOW_fnRelease(IOleWindow *iface)
{
    NSTC2Impl *This = impl_from_IOleWindow(iface);
    TRACE("%p\n", This);
1550
    return NSTC2_fnRelease(&This->INameSpaceTreeControl2_iface);
1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578
}

static HRESULT WINAPI IOW_fnGetWindow(IOleWindow *iface, HWND *phwnd)
{
    NSTC2Impl *This = impl_from_IOleWindow(iface);
    TRACE("%p (%p)\n", This, phwnd);

    *phwnd = This->hwnd_main;
    return S_OK;
}

static HRESULT WINAPI IOW_fnContextSensitiveHelp(IOleWindow *iface, BOOL fEnterMode)
{
    NSTC2Impl *This = impl_from_IOleWindow(iface);
    TRACE("%p (%d)\n", This, fEnterMode);

    /* Not implemented */
    return E_NOTIMPL;
}

static const IOleWindowVtbl vt_IOleWindow = {
    IOW_fnQueryInterface,
    IOW_fnAddRef,
    IOW_fnRelease,
    IOW_fnGetWindow,
    IOW_fnContextSensitiveHelp
};

1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594
HRESULT NamespaceTreeControl_Constructor(IUnknown *pUnkOuter, REFIID riid, void **ppv)
{
    NSTC2Impl *nstc;
    HRESULT ret;

    TRACE ("%p %s %p\n", pUnkOuter, debugstr_guid(riid), ppv);

    if(!ppv)
        return E_POINTER;
    if(pUnkOuter)
        return CLASS_E_NOAGGREGATION;

    EFRAME_LockModule();

    nstc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(NSTC2Impl));
    nstc->ref = 1;
1595 1596
    nstc->INameSpaceTreeControl2_iface.lpVtbl = &vt_INameSpaceTreeControl2;
    nstc->IOleWindow_iface.lpVtbl = &vt_IOleWindow;
1597

1598 1599
    list_init(&nstc->roots);

1600 1601
    ret = INameSpaceTreeControl2_QueryInterface(&nstc->INameSpaceTreeControl2_iface, riid, ppv);
    INameSpaceTreeControl2_Release(&nstc->INameSpaceTreeControl2_iface);
1602 1603 1604 1605

    TRACE("--(%p)\n", ppv);
    return ret;
}