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explorerframe: Handle TVN_GETDISPINFO to get icons, filename and information about subfolders.

oldstable
David Hedberg 2010-08-04 03:57:48 +02:00 committed by Alexandre Julliard
parent f87891c362
commit 658ec55a94
1 changed files with 104 additions and 0 deletions
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104
dlls/explorerframe/nstc.c
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@ -72,6 +72,20 @@ static const DWORD unsupported_styles2 =
/*************************************************************************
* NamespaceTree event wrappers
*/
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;
}
static HRESULT events_OnItemAdded(NSTC2Impl *This, IShellItem *psi, BOOL fIsRoot)
{
HRESULT ret;
@ -135,6 +149,28 @@ static DWORD treeview_style_from_nstcs(NSTC2Impl *This, NSTCSTYLE nstcs,
return old_style^*new_style;
}
static IShellItem *shellitem_from_treeitem(NSTC2Impl *This, HTREEITEM hitem)
{
TVITEMEXW tvi;
tvi.mask = TVIF_PARAM;
tvi.lParam = (LPARAM)NULL;
tvi.hItem = hitem;
SendMessageW(This->hwnd_tv, TVM_GETITEMW, 0, (LPARAM)&tvi);
TRACE("ShellItem: %p\n", (void*)tvi.lParam);
return (IShellItem*)tvi.lParam;
}
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;
}
/* Insert a shellitem into the given place in the tree and return the
resulting treeitem. */
static HTREEITEM insert_shellitem(NSTC2Impl *This, IShellItem *psi,
@ -239,16 +275,84 @@ static LRESULT destroy_namespacetree(NSTC2Impl *This)
return TRUE;
}
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;
}
static LRESULT CALLBACK NSTC2_WndProc(HWND hWnd, UINT uMessage,
WPARAM wParam, LPARAM lParam)
{
NSTC2Impl *This = (NSTC2Impl*)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
NMHDR *nmhdr;
switch(uMessage)
{
case WM_NCCREATE: return create_namespacetree(hWnd, (CREATESTRUCTW*)lParam);
case WM_SIZE: return resize_namespacetree(This);
case WM_DESTROY: return destroy_namespacetree(This);
case WM_NOTIFY:
nmhdr = (NMHDR*)lParam;
switch(nmhdr->code)
{
case TVN_GETDISPINFOW: return on_tvn_getdispinfow(This, lParam);
default: break;
}
break;
default: return DefWindowProcW(hWnd, uMessage, wParam, lParam);
}
return 0;