940 lines
28 KiB
C
940 lines
28 KiB
C
/*
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* XDND handler code
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*
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* Copyright 2003 Ulrich Czekalla
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* Copyright 2007 Damjan Jovanovic
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <stdarg.h>
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#include <stdio.h>
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#define NONAMELESSUNION
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#define COBJMACROS
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#include "x11drv.h"
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#include "shellapi.h"
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#include "shlobj.h" /* DROPFILES */
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#include "oleidl.h"
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#include "objidl.h"
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#include "wine/unicode.h"
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#include "wine/debug.h"
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#include "wine/list.h"
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WINE_DEFAULT_DEBUG_CHANNEL(xdnd);
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/* Maximum wait time for selection notify */
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#define SELECTION_RETRIES 500 /* wait for .1 seconds */
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#define SELECTION_WAIT 1000 /* us */
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typedef struct tagXDNDDATA
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{
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int cf_win;
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Atom cf_xdnd;
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HANDLE contents;
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struct list entry;
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} XDNDDATA, *LPXDNDDATA;
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static struct list xdndData = LIST_INIT(xdndData);
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static POINT XDNDxy = { 0, 0 };
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static IDataObject XDNDDataObject;
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static BOOL XDNDAccepted = FALSE;
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static DWORD XDNDDropEffect = DROPEFFECT_NONE;
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/* the last window the mouse was over */
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static HWND XDNDLastTargetWnd;
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/* might be an ancestor of XDNDLastTargetWnd */
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static HWND XDNDLastDropTargetWnd;
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static void X11DRV_XDND_InsertXDNDData(int property, int format, HANDLE contents);
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static void X11DRV_XDND_ResolveProperty(Display *display, Window xwin, Time tm,
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Atom *types, unsigned long count);
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static BOOL X11DRV_XDND_HasHDROP(void);
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static HRESULT X11DRV_XDND_SendDropFiles(HWND hwnd);
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static void X11DRV_XDND_FreeDragDropOp(void);
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static CRITICAL_SECTION xdnd_cs;
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static CRITICAL_SECTION_DEBUG critsect_debug =
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{
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0, 0, &xdnd_cs,
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{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": xdnd_cs") }
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};
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static CRITICAL_SECTION xdnd_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
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/* Based on functions in dlls/ole32/ole2.c */
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static HANDLE get_droptarget_local_handle(HWND hwnd)
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{
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static const WCHAR prop_marshalleddroptarget[] =
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{'W','i','n','e','M','a','r','s','h','a','l','l','e','d','D','r','o','p','T','a','r','g','e','t',0};
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HANDLE handle;
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HANDLE local_handle = 0;
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handle = GetPropW(hwnd, prop_marshalleddroptarget);
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if (handle)
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{
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DWORD pid;
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HANDLE process;
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GetWindowThreadProcessId(hwnd, &pid);
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process = OpenProcess(PROCESS_DUP_HANDLE, FALSE, pid);
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if (process)
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{
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DuplicateHandle(process, handle, GetCurrentProcess(), &local_handle, 0, FALSE, DUPLICATE_SAME_ACCESS);
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CloseHandle(process);
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}
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}
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return local_handle;
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}
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static HRESULT create_stream_from_map(HANDLE map, IStream **stream)
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{
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HRESULT hr = E_OUTOFMEMORY;
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HGLOBAL hmem;
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void *data;
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MEMORY_BASIC_INFORMATION info;
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data = MapViewOfFile(map, FILE_MAP_READ, 0, 0, 0);
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if(!data) return hr;
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VirtualQuery(data, &info, sizeof(info));
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TRACE("size %d\n", (int)info.RegionSize);
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hmem = GlobalAlloc(GMEM_MOVEABLE, info.RegionSize);
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if(hmem)
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{
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memcpy(GlobalLock(hmem), data, info.RegionSize);
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GlobalUnlock(hmem);
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hr = CreateStreamOnHGlobal(hmem, TRUE, stream);
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}
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UnmapViewOfFile(data);
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return hr;
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}
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static IDropTarget* get_droptarget_pointer(HWND hwnd)
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{
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IDropTarget *droptarget = NULL;
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HANDLE map;
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IStream *stream;
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map = get_droptarget_local_handle(hwnd);
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if(!map) return NULL;
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if(SUCCEEDED(create_stream_from_map(map, &stream)))
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{
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CoUnmarshalInterface(stream, &IID_IDropTarget, (void**)&droptarget);
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IStream_Release(stream);
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}
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CloseHandle(map);
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return droptarget;
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}
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/**************************************************************************
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* X11DRV_XDND_XdndActionToDROPEFFECT
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*/
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static DWORD X11DRV_XDND_XdndActionToDROPEFFECT(long action)
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{
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/* In Windows, nothing but the given effects is allowed.
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* In X the given action is just a hint, and you can always
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* XdndActionCopy and XdndActionPrivate, so be more permissive. */
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if (action == x11drv_atom(XdndActionCopy))
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return DROPEFFECT_COPY;
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else if (action == x11drv_atom(XdndActionMove))
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return DROPEFFECT_MOVE | DROPEFFECT_COPY;
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else if (action == x11drv_atom(XdndActionLink))
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return DROPEFFECT_LINK | DROPEFFECT_COPY;
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else if (action == x11drv_atom(XdndActionAsk))
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/* FIXME: should we somehow ask the user what to do here? */
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return DROPEFFECT_COPY | DROPEFFECT_MOVE | DROPEFFECT_LINK;
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FIXME("unknown action %ld, assuming DROPEFFECT_COPY\n", action);
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return DROPEFFECT_COPY;
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}
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/**************************************************************************
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* X11DRV_XDND_DROPEFFECTToXdndAction
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*/
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static long X11DRV_XDND_DROPEFFECTToXdndAction(DWORD effect)
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{
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if (effect == DROPEFFECT_COPY)
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return x11drv_atom(XdndActionCopy);
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else if (effect == DROPEFFECT_MOVE)
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return x11drv_atom(XdndActionMove);
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else if (effect == DROPEFFECT_LINK)
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return x11drv_atom(XdndActionLink);
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FIXME("unknown drop effect %u, assuming XdndActionCopy\n", effect);
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return x11drv_atom(XdndActionCopy);
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}
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/**************************************************************************
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* X11DRV_XDND_EnterEvent
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*
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* Handle an XdndEnter event.
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*/
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void X11DRV_XDND_EnterEvent( HWND hWnd, XClientMessageEvent *event )
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{
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int version;
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Atom *xdndtypes;
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unsigned long count = 0;
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version = (event->data.l[1] & 0xFF000000) >> 24;
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TRACE("ver(%d) check-XdndTypeList(%ld) data=%ld,%ld,%ld,%ld,%ld\n",
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version, (event->data.l[1] & 1),
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event->data.l[0], event->data.l[1], event->data.l[2],
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event->data.l[3], event->data.l[4]);
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if (version > WINE_XDND_VERSION)
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{
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TRACE("Ignores unsupported version\n");
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return;
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}
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XDNDAccepted = FALSE;
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/* If the source supports more than 3 data types we retrieve
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* the entire list. */
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if (event->data.l[1] & 1)
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{
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Atom acttype;
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int actfmt;
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unsigned long bytesret;
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/* Request supported formats from source window */
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XGetWindowProperty(event->display, event->data.l[0], x11drv_atom(XdndTypeList),
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0, 65535, FALSE, AnyPropertyType, &acttype, &actfmt, &count,
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&bytesret, (unsigned char**)&xdndtypes);
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}
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else
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{
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count = 3;
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xdndtypes = (Atom*) &event->data.l[2];
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}
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if (TRACE_ON(xdnd))
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{
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unsigned int i;
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for (i = 0; i < count; i++)
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{
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if (xdndtypes[i] != 0)
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{
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char * pn = XGetAtomName(event->display, xdndtypes[i]);
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TRACE("XDNDEnterAtom %ld: %s\n", xdndtypes[i], pn);
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XFree(pn);
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}
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}
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}
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/* Do a one-time data read and cache results */
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X11DRV_XDND_ResolveProperty(event->display, event->window,
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event->data.l[1], xdndtypes, count);
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if (event->data.l[1] & 1)
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XFree(xdndtypes);
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}
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/**************************************************************************
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* X11DRV_XDND_PositionEvent
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*
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* Handle an XdndPosition event.
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*/
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void X11DRV_XDND_PositionEvent( HWND hWnd, XClientMessageEvent *event )
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{
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XClientMessageEvent e;
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int accept = 0; /* Assume we're not accepting */
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IDropTarget *dropTarget = NULL;
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DWORD effect;
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POINTL pointl;
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HWND targetWindow;
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HRESULT hr;
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XDNDxy = root_to_virtual_screen( event->data.l[2] >> 16, event->data.l[2] & 0xFFFF );
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targetWindow = WindowFromPoint(XDNDxy);
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pointl.x = XDNDxy.x;
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pointl.y = XDNDxy.y;
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effect = X11DRV_XDND_XdndActionToDROPEFFECT(event->data.l[4]);
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if (!XDNDAccepted || XDNDLastTargetWnd != targetWindow)
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{
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/* Notify OLE of DragEnter. Result determines if we accept */
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HWND dropTargetWindow;
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if (XDNDAccepted && XDNDLastDropTargetWnd)
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{
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dropTarget = get_droptarget_pointer(XDNDLastDropTargetWnd);
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if (dropTarget)
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{
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hr = IDropTarget_DragLeave(dropTarget);
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if (FAILED(hr))
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WARN("IDropTarget_DragLeave failed, error 0x%08X\n", hr);
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IDropTarget_Release(dropTarget);
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}
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}
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dropTargetWindow = targetWindow;
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do
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{
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dropTarget = get_droptarget_pointer(dropTargetWindow);
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} while (dropTarget == NULL && (dropTargetWindow = GetParent(dropTargetWindow)) != NULL);
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XDNDLastTargetWnd = targetWindow;
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XDNDLastDropTargetWnd = dropTargetWindow;
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if (dropTarget)
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{
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DWORD effect_ignore = effect;
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hr = IDropTarget_DragEnter(dropTarget, &XDNDDataObject,
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MK_LBUTTON, pointl, &effect);
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if (hr == S_OK)
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{
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XDNDAccepted = TRUE;
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TRACE("the application accepted the drop (effect = %d)\n", effect_ignore);
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}
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else
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WARN("IDropTarget_DragEnter failed, error 0x%08X\n", hr);
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IDropTarget_Release(dropTarget);
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}
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}
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if (XDNDAccepted && XDNDLastTargetWnd == targetWindow)
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{
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/* If drag accepted notify OLE of DragOver */
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dropTarget = get_droptarget_pointer(XDNDLastDropTargetWnd);
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if (dropTarget)
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{
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hr = IDropTarget_DragOver(dropTarget, MK_LBUTTON, pointl, &effect);
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if (hr != S_OK)
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XDNDDropEffect = effect;
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else
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WARN("IDropTarget_DragOver failed, error 0x%08X\n", hr);
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IDropTarget_Release(dropTarget);
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}
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}
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if (XDNDAccepted)
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accept = 1;
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else if ((GetWindowLongW( hWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES) &&
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(effect & DROPEFFECT_COPY) &&
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X11DRV_XDND_HasHDROP())
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{
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accept = 1;
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effect = DROPEFFECT_COPY;
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XDNDDropEffect = effect;
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}
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TRACE("action req: %ld accept(%d) at x(%d),y(%d)\n",
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event->data.l[4], accept, XDNDxy.x, XDNDxy.y);
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/*
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* Let source know if we're accepting the drop by
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* sending a status message.
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*/
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e.type = ClientMessage;
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e.display = event->display;
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e.window = event->data.l[0];
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e.message_type = x11drv_atom(XdndStatus);
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e.format = 32;
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e.data.l[0] = event->window;
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e.data.l[1] = accept;
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e.data.l[2] = 0; /* Empty Rect */
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e.data.l[3] = 0; /* Empty Rect */
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if (accept)
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e.data.l[4] = X11DRV_XDND_DROPEFFECTToXdndAction(effect);
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else
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e.data.l[4] = None;
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XSendEvent(event->display, event->data.l[0], False, NoEventMask, (XEvent*)&e);
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}
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/**************************************************************************
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* X11DRV_XDND_DropEvent
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*
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* Handle an XdndDrop event.
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*/
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void X11DRV_XDND_DropEvent( HWND hWnd, XClientMessageEvent *event )
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{
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XClientMessageEvent e;
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IDropTarget *dropTarget;
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DWORD effect = XDNDDropEffect;
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int accept = 0; /* Assume we're not accepting */
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BOOL drop_file = TRUE;
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TRACE("\n");
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/* Notify OLE of Drop */
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if (XDNDAccepted)
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{
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dropTarget = get_droptarget_pointer(XDNDLastDropTargetWnd);
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if (dropTarget && effect!=DROPEFFECT_NONE)
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{
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HRESULT hr;
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POINTL pointl;
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pointl.x = XDNDxy.x;
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pointl.y = XDNDxy.y;
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hr = IDropTarget_Drop(dropTarget, &XDNDDataObject, MK_LBUTTON,
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pointl, &effect);
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if (hr == S_OK)
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{
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if (effect != DROPEFFECT_NONE)
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{
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TRACE("drop succeeded\n");
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accept = 1;
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drop_file = FALSE;
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}
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else
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TRACE("the application refused the drop\n");
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}
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else if (FAILED(hr))
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WARN("drop failed, error 0x%08X\n", hr);
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else
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{
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WARN("drop returned 0x%08X\n", hr);
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drop_file = FALSE;
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}
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IDropTarget_Release(dropTarget);
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}
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else if (dropTarget)
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{
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HRESULT hr = IDropTarget_DragLeave(dropTarget);
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if (FAILED(hr))
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WARN("IDropTarget_DragLeave failed, error 0x%08X\n", hr);
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IDropTarget_Release(dropTarget);
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}
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}
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if (drop_file)
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{
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/* Only send WM_DROPFILES if Drop didn't succeed or DROPEFFECT_NONE was set.
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* Doing both causes winamp to duplicate the dropped files (#29081) */
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if ((GetWindowLongW( hWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES) &&
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(XDNDDropEffect & DROPEFFECT_COPY) &&
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X11DRV_XDND_HasHDROP())
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{
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HRESULT hr = X11DRV_XDND_SendDropFiles( hWnd );
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if (SUCCEEDED(hr))
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{
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accept = 1;
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effect = DROPEFFECT_COPY;
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}
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}
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}
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X11DRV_XDND_FreeDragDropOp();
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/* Tell the target we are finished. */
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memset(&e, 0, sizeof(e));
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e.type = ClientMessage;
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e.display = event->display;
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e.window = event->data.l[0];
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e.message_type = x11drv_atom(XdndFinished);
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e.format = 32;
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e.data.l[0] = event->window;
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e.data.l[1] = accept;
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if (accept)
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e.data.l[2] = X11DRV_XDND_DROPEFFECTToXdndAction(effect);
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else
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e.data.l[2] = None;
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XSendEvent(event->display, event->data.l[0], False, NoEventMask, (XEvent*)&e);
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}
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/**************************************************************************
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* X11DRV_XDND_LeaveEvent
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*
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* Handle an XdndLeave event.
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*/
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void X11DRV_XDND_LeaveEvent( HWND hWnd, XClientMessageEvent *event )
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{
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IDropTarget *dropTarget;
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TRACE("DND Operation canceled\n");
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/* Notify OLE of DragLeave */
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if (XDNDAccepted)
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{
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dropTarget = get_droptarget_pointer(XDNDLastDropTargetWnd);
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if (dropTarget)
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{
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HRESULT hr = IDropTarget_DragLeave(dropTarget);
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if (FAILED(hr))
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WARN("IDropTarget_DragLeave failed, error 0x%08X\n", hr);
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IDropTarget_Release(dropTarget);
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}
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}
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X11DRV_XDND_FreeDragDropOp();
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}
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/**************************************************************************
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* X11DRV_XDND_ResolveProperty
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*
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* Resolve all MIME types to windows clipboard formats. All data is cached.
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*/
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static void X11DRV_XDND_ResolveProperty(Display *display, Window xwin, Time tm,
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Atom *types, unsigned long count)
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{
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unsigned int i, j;
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BOOL res;
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XEvent xe;
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XDNDDATA *current, *next;
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BOOL haveHDROP = FALSE;
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TRACE("count(%ld)\n", count);
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|
|
|
X11DRV_XDND_FreeDragDropOp(); /* Clear previously cached data */
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
HANDLE contents;
|
|
UINT windowsFormat;
|
|
|
|
TRACE("requesting atom %ld from xwin %ld\n", types[i], xwin);
|
|
|
|
if (types[i] == 0)
|
|
continue;
|
|
|
|
XConvertSelection(display, x11drv_atom(XdndSelection), types[i],
|
|
x11drv_atom(XdndTarget), xwin, /*tm*/CurrentTime);
|
|
|
|
/*
|
|
* Wait for SelectionNotify
|
|
*/
|
|
for (j = 0; j < SELECTION_RETRIES; j++)
|
|
{
|
|
res = XCheckTypedWindowEvent(display, xwin, SelectionNotify, &xe);
|
|
if (res && xe.xselection.selection == x11drv_atom(XdndSelection)) break;
|
|
|
|
usleep(SELECTION_WAIT);
|
|
}
|
|
|
|
if (xe.xselection.property == None)
|
|
continue;
|
|
|
|
contents = X11DRV_CLIPBOARD_ImportSelection(display, types[i], xwin, x11drv_atom(XdndTarget), &windowsFormat);
|
|
if (contents)
|
|
X11DRV_XDND_InsertXDNDData(types[i], windowsFormat, contents);
|
|
}
|
|
|
|
/* On Windows when there is a CF_HDROP, there are no other CF_ formats.
|
|
* foobar2000 relies on this (spaces -> %20's without it).
|
|
*/
|
|
LIST_FOR_EACH_ENTRY(current, &xdndData, XDNDDATA, entry)
|
|
{
|
|
if (current->cf_win == CF_HDROP)
|
|
{
|
|
haveHDROP = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
if (haveHDROP)
|
|
{
|
|
LIST_FOR_EACH_ENTRY_SAFE(current, next, &xdndData, XDNDDATA, entry)
|
|
{
|
|
if (current->cf_win != CF_HDROP && current->cf_win < CF_MAX)
|
|
{
|
|
list_remove(¤t->entry);
|
|
GlobalFree(current->contents);
|
|
HeapFree(GetProcessHeap(), 0, current);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* X11DRV_XDND_InsertXDNDData
|
|
*
|
|
* Cache available XDND property
|
|
*/
|
|
static void X11DRV_XDND_InsertXDNDData(int property, int format, HANDLE contents)
|
|
{
|
|
LPXDNDDATA current = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(XDNDDATA));
|
|
|
|
if (current)
|
|
{
|
|
EnterCriticalSection(&xdnd_cs);
|
|
current->cf_xdnd = property;
|
|
current->cf_win = format;
|
|
current->contents = contents;
|
|
list_add_tail(&xdndData, ¤t->entry);
|
|
LeaveCriticalSection(&xdnd_cs);
|
|
}
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* X11DRV_XDND_HasHDROP
|
|
*/
|
|
static BOOL X11DRV_XDND_HasHDROP(void)
|
|
{
|
|
LPXDNDDATA current = NULL;
|
|
BOOL found = FALSE;
|
|
|
|
EnterCriticalSection(&xdnd_cs);
|
|
|
|
/* Find CF_HDROP type if any */
|
|
LIST_FOR_EACH_ENTRY(current, &xdndData, XDNDDATA, entry)
|
|
{
|
|
if (current->cf_win == CF_HDROP)
|
|
{
|
|
found = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
LeaveCriticalSection(&xdnd_cs);
|
|
|
|
return found;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* X11DRV_XDND_SendDropFiles
|
|
*/
|
|
static HRESULT X11DRV_XDND_SendDropFiles(HWND hwnd)
|
|
{
|
|
HRESULT hr;
|
|
LPXDNDDATA current = NULL;
|
|
BOOL found = FALSE;
|
|
|
|
EnterCriticalSection(&xdnd_cs);
|
|
|
|
LIST_FOR_EACH_ENTRY(current, &xdndData, XDNDDATA, entry)
|
|
{
|
|
if (current->cf_win == CF_HDROP)
|
|
{
|
|
found = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
if (found)
|
|
{
|
|
HGLOBAL dropHandle = GlobalAlloc(GMEM_FIXED, GlobalSize(current->contents));
|
|
if (dropHandle)
|
|
{
|
|
DROPFILES *lpDrop = GlobalLock(dropHandle);
|
|
memcpy(lpDrop, GlobalLock(current->contents), GlobalSize(current->contents));
|
|
GlobalUnlock(current->contents);
|
|
lpDrop->pt.x = XDNDxy.x;
|
|
lpDrop->pt.y = XDNDxy.y;
|
|
lpDrop->fNC = !ScreenToClient(hwnd, &lpDrop->pt);
|
|
TRACE("Sending WM_DROPFILES: hWnd=0x%p, fNC=%d, x=%d, y=%d, files=%p(%s)\n", hwnd,
|
|
lpDrop->fNC, lpDrop->pt.x, lpDrop->pt.y, ((char*)lpDrop) + lpDrop->pFiles,
|
|
debugstr_w((WCHAR*)(((char*)lpDrop) + lpDrop->pFiles)));
|
|
GlobalUnlock(dropHandle);
|
|
if (PostMessageW(hwnd, WM_DROPFILES, (WPARAM)dropHandle, 0))
|
|
hr = S_OK;
|
|
else
|
|
{
|
|
hr = HRESULT_FROM_WIN32(GetLastError());
|
|
GlobalFree(dropHandle);
|
|
}
|
|
}
|
|
else
|
|
hr = HRESULT_FROM_WIN32(GetLastError());
|
|
}
|
|
else
|
|
hr = E_FAIL;
|
|
|
|
LeaveCriticalSection(&xdnd_cs);
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* X11DRV_XDND_FreeDragDropOp
|
|
*/
|
|
static void X11DRV_XDND_FreeDragDropOp(void)
|
|
{
|
|
LPXDNDDATA next;
|
|
LPXDNDDATA current;
|
|
|
|
TRACE("\n");
|
|
|
|
EnterCriticalSection(&xdnd_cs);
|
|
|
|
/** Free data cache */
|
|
LIST_FOR_EACH_ENTRY_SAFE(current, next, &xdndData, XDNDDATA, entry)
|
|
{
|
|
list_remove(¤t->entry);
|
|
GlobalFree(current->contents);
|
|
HeapFree(GetProcessHeap(), 0, current);
|
|
}
|
|
|
|
XDNDxy.x = XDNDxy.y = 0;
|
|
XDNDLastTargetWnd = NULL;
|
|
XDNDLastDropTargetWnd = NULL;
|
|
XDNDAccepted = FALSE;
|
|
|
|
LeaveCriticalSection(&xdnd_cs);
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* X11DRV_XDND_DescribeClipboardFormat
|
|
*/
|
|
static void X11DRV_XDND_DescribeClipboardFormat(int cfFormat, char *buffer, int size)
|
|
{
|
|
#define D(x) case x: lstrcpynA(buffer, #x, size); return;
|
|
switch (cfFormat)
|
|
{
|
|
D(CF_TEXT)
|
|
D(CF_BITMAP)
|
|
D(CF_METAFILEPICT)
|
|
D(CF_SYLK)
|
|
D(CF_DIF)
|
|
D(CF_TIFF)
|
|
D(CF_OEMTEXT)
|
|
D(CF_DIB)
|
|
D(CF_PALETTE)
|
|
D(CF_PENDATA)
|
|
D(CF_RIFF)
|
|
D(CF_WAVE)
|
|
D(CF_UNICODETEXT)
|
|
D(CF_ENHMETAFILE)
|
|
D(CF_HDROP)
|
|
D(CF_LOCALE)
|
|
D(CF_DIBV5)
|
|
}
|
|
#undef D
|
|
|
|
if (CF_PRIVATEFIRST <= cfFormat && cfFormat <= CF_PRIVATELAST)
|
|
{
|
|
lstrcpynA(buffer, "some private object", size);
|
|
return;
|
|
}
|
|
if (CF_GDIOBJFIRST <= cfFormat && cfFormat <= CF_GDIOBJLAST)
|
|
{
|
|
lstrcpynA(buffer, "some GDI object", size);
|
|
return;
|
|
}
|
|
|
|
GetClipboardFormatNameA(cfFormat, buffer, size);
|
|
}
|
|
|
|
|
|
/* The IDataObject singleton we feed to OLE follows */
|
|
|
|
static HRESULT WINAPI XDNDDATAOBJECT_QueryInterface(IDataObject *dataObject,
|
|
REFIID riid, void **ppvObject)
|
|
{
|
|
TRACE("(%p, %s, %p)\n", dataObject, debugstr_guid(riid), ppvObject);
|
|
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDataObject))
|
|
{
|
|
*ppvObject = dataObject;
|
|
IDataObject_AddRef(dataObject);
|
|
return S_OK;
|
|
}
|
|
*ppvObject = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
static ULONG WINAPI XDNDDATAOBJECT_AddRef(IDataObject *dataObject)
|
|
{
|
|
TRACE("(%p)\n", dataObject);
|
|
return 2;
|
|
}
|
|
|
|
static ULONG WINAPI XDNDDATAOBJECT_Release(IDataObject *dataObject)
|
|
{
|
|
TRACE("(%p)\n", dataObject);
|
|
return 1;
|
|
}
|
|
|
|
static HRESULT WINAPI XDNDDATAOBJECT_GetData(IDataObject *dataObject,
|
|
FORMATETC *formatEtc,
|
|
STGMEDIUM *pMedium)
|
|
{
|
|
HRESULT hr;
|
|
char formatDesc[1024];
|
|
|
|
TRACE("(%p, %p, %p)\n", dataObject, formatEtc, pMedium);
|
|
X11DRV_XDND_DescribeClipboardFormat(formatEtc->cfFormat,
|
|
formatDesc, sizeof(formatDesc));
|
|
TRACE("application is looking for %s\n", formatDesc);
|
|
|
|
hr = IDataObject_QueryGetData(dataObject, formatEtc);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
XDNDDATA *current;
|
|
LIST_FOR_EACH_ENTRY(current, &xdndData, XDNDDATA, entry)
|
|
{
|
|
if (current->cf_win == formatEtc->cfFormat)
|
|
{
|
|
pMedium->tymed = TYMED_HGLOBAL;
|
|
pMedium->u.hGlobal = GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT, GlobalSize(current->contents));
|
|
if (pMedium->u.hGlobal == NULL)
|
|
return E_OUTOFMEMORY;
|
|
memcpy(GlobalLock(pMedium->u.hGlobal), GlobalLock(current->contents), GlobalSize(current->contents));
|
|
GlobalUnlock(pMedium->u.hGlobal);
|
|
GlobalUnlock(current->contents);
|
|
pMedium->pUnkForRelease = 0;
|
|
return S_OK;
|
|
}
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI XDNDDATAOBJECT_GetDataHere(IDataObject *dataObject,
|
|
FORMATETC *formatEtc,
|
|
STGMEDIUM *pMedium)
|
|
{
|
|
FIXME("(%p, %p, %p): stub\n", dataObject, formatEtc, pMedium);
|
|
return DATA_E_FORMATETC;
|
|
}
|
|
|
|
static HRESULT WINAPI XDNDDATAOBJECT_QueryGetData(IDataObject *dataObject,
|
|
FORMATETC *formatEtc)
|
|
{
|
|
char formatDesc[1024];
|
|
XDNDDATA *current;
|
|
|
|
TRACE("(%p, %p={.tymed=0x%x, .dwAspect=%d, .cfFormat=%d}\n",
|
|
dataObject, formatEtc, formatEtc->tymed, formatEtc->dwAspect, formatEtc->cfFormat);
|
|
X11DRV_XDND_DescribeClipboardFormat(formatEtc->cfFormat, formatDesc, sizeof(formatDesc));
|
|
|
|
if (formatEtc->tymed && !(formatEtc->tymed & TYMED_HGLOBAL))
|
|
{
|
|
FIXME("only HGLOBAL medium types supported right now\n");
|
|
return DV_E_TYMED;
|
|
}
|
|
if (formatEtc->dwAspect != DVASPECT_CONTENT)
|
|
{
|
|
FIXME("only the content aspect is supported right now\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
LIST_FOR_EACH_ENTRY(current, &xdndData, XDNDDATA, entry)
|
|
{
|
|
if (current->cf_win == formatEtc->cfFormat)
|
|
{
|
|
TRACE("application found %s\n", formatDesc);
|
|
return S_OK;
|
|
}
|
|
}
|
|
TRACE("application didn't find %s\n", formatDesc);
|
|
return DV_E_FORMATETC;
|
|
}
|
|
|
|
static HRESULT WINAPI XDNDDATAOBJECT_GetCanonicalFormatEtc(IDataObject *dataObject,
|
|
FORMATETC *formatEtc,
|
|
FORMATETC *formatEtcOut)
|
|
{
|
|
FIXME("(%p, %p, %p): stub\n", dataObject, formatEtc, formatEtcOut);
|
|
formatEtcOut->ptd = NULL;
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI XDNDDATAOBJECT_SetData(IDataObject *dataObject,
|
|
FORMATETC *formatEtc,
|
|
STGMEDIUM *pMedium, BOOL fRelease)
|
|
{
|
|
FIXME("(%p, %p, %p, %s): stub\n", dataObject, formatEtc,
|
|
pMedium, fRelease?"TRUE":"FALSE");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI XDNDDATAOBJECT_EnumFormatEtc(IDataObject *dataObject,
|
|
DWORD dwDirection,
|
|
IEnumFORMATETC **ppEnumFormatEtc)
|
|
{
|
|
DWORD count;
|
|
FORMATETC *formats;
|
|
|
|
TRACE("(%p, %u, %p)\n", dataObject, dwDirection, ppEnumFormatEtc);
|
|
|
|
if (dwDirection != DATADIR_GET)
|
|
{
|
|
FIXME("only the get direction is implemented\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
count = list_count(&xdndData);
|
|
formats = HeapAlloc(GetProcessHeap(), 0, count * sizeof(FORMATETC));
|
|
if (formats)
|
|
{
|
|
XDNDDATA *current;
|
|
DWORD i = 0;
|
|
HRESULT hr;
|
|
LIST_FOR_EACH_ENTRY(current, &xdndData, XDNDDATA, entry)
|
|
{
|
|
formats[i].cfFormat = current->cf_win;
|
|
formats[i].ptd = NULL;
|
|
formats[i].dwAspect = DVASPECT_CONTENT;
|
|
formats[i].lindex = -1;
|
|
formats[i].tymed = TYMED_HGLOBAL;
|
|
i++;
|
|
}
|
|
hr = SHCreateStdEnumFmtEtc(count, formats, ppEnumFormatEtc);
|
|
HeapFree(GetProcessHeap(), 0, formats);
|
|
return hr;
|
|
}
|
|
else
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
static HRESULT WINAPI XDNDDATAOBJECT_DAdvise(IDataObject *dataObject,
|
|
FORMATETC *formatEtc, DWORD advf,
|
|
IAdviseSink *adviseSink,
|
|
DWORD *pdwConnection)
|
|
{
|
|
FIXME("(%p, %p, %u, %p, %p): stub\n", dataObject, formatEtc, advf,
|
|
adviseSink, pdwConnection);
|
|
return OLE_E_ADVISENOTSUPPORTED;
|
|
}
|
|
|
|
static HRESULT WINAPI XDNDDATAOBJECT_DUnadvise(IDataObject *dataObject,
|
|
DWORD dwConnection)
|
|
{
|
|
FIXME("(%p, %u): stub\n", dataObject, dwConnection);
|
|
return OLE_E_ADVISENOTSUPPORTED;
|
|
}
|
|
|
|
static HRESULT WINAPI XDNDDATAOBJECT_EnumDAdvise(IDataObject *dataObject,
|
|
IEnumSTATDATA **pEnumAdvise)
|
|
{
|
|
FIXME("(%p, %p): stub\n", dataObject, pEnumAdvise);
|
|
return OLE_E_ADVISENOTSUPPORTED;
|
|
}
|
|
|
|
static IDataObjectVtbl xdndDataObjectVtbl =
|
|
{
|
|
XDNDDATAOBJECT_QueryInterface,
|
|
XDNDDATAOBJECT_AddRef,
|
|
XDNDDATAOBJECT_Release,
|
|
XDNDDATAOBJECT_GetData,
|
|
XDNDDATAOBJECT_GetDataHere,
|
|
XDNDDATAOBJECT_QueryGetData,
|
|
XDNDDATAOBJECT_GetCanonicalFormatEtc,
|
|
XDNDDATAOBJECT_SetData,
|
|
XDNDDATAOBJECT_EnumFormatEtc,
|
|
XDNDDATAOBJECT_DAdvise,
|
|
XDNDDATAOBJECT_DUnadvise,
|
|
XDNDDATAOBJECT_EnumDAdvise
|
|
};
|
|
|
|
static IDataObject XDNDDataObject = { &xdndDataObjectVtbl };
|