636 lines
19 KiB
C
636 lines
19 KiB
C
|
/*
|
||
|
|
* MACDRV Drag and drop code
|
||
|
|
*
|
||
|
|
* Copyright 2003 Ulrich Czekalla
|
||
|
|
* Copyright 2007 Damjan Jovanovic
|
||
|
|
* Copyright 2013 Ken Thomases for CodeWeavers Inc.
|
||
|
|
*
|
||
|
|
* 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 "config.h"
|
||
|
|
|
||
|
|
#define NONAMELESSUNION
|
||
|
|
|
||
|
|
#include "macdrv.h"
|
||
|
|
|
||
|
|
#define COBJMACROS
|
||
|
|
#include "objidl.h"
|
||
|
|
#include "shellapi.h"
|
||
|
|
#include "shlobj.h"
|
||
|
|
|
||
|
|
WINE_DEFAULT_DEBUG_CHANNEL(dragdrop);
|
||
|
|
|
||
|
|
|
||
|
|
static IDataObject *active_data_object;
|
||
|
|
static HWND last_droptarget_hwnd;
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
IDataObject IDataObject_iface;
|
||
|
|
LONG ref;
|
||
|
|
CFTypeRef pasteboard;
|
||
|
|
} DragDropDataObject;
|
||
|
|
|
||
|
|
|
||
|
|
static inline DragDropDataObject *impl_from_IDataObject(IDataObject *iface)
|
||
|
|
{
|
||
|
|
return CONTAINING_RECORD(iface, DragDropDataObject, IDataObject_iface);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static HRESULT WINAPI dddo_QueryInterface(IDataObject* iface, REFIID riid, LPVOID *ppvObj)
|
||
|
|
{
|
||
|
|
DragDropDataObject *This = impl_from_IDataObject(iface);
|
||
|
|
|
||
|
|
TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), ppvObj);
|
||
|
|
|
||
|
|
if (IsEqualIID(riid, &IID_IUnknown) || (IsEqualIID(riid, &IID_IDataObject)))
|
||
|
|
{
|
||
|
|
*ppvObj = This;
|
||
|
|
IUnknown_AddRef((IUnknown*)This);
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
*ppvObj = NULL;
|
||
|
|
return E_NOINTERFACE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static ULONG WINAPI dddo_AddRef(IDataObject* iface)
|
||
|
|
{
|
||
|
|
DragDropDataObject *This = impl_from_IDataObject(iface);
|
||
|
|
ULONG refCount = InterlockedIncrement(&This->ref);
|
||
|
|
|
||
|
|
TRACE("(%p)->(count=%u)\n", This, refCount - 1);
|
||
|
|
|
||
|
|
return refCount;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static ULONG WINAPI dddo_Release(IDataObject* iface)
|
||
|
|
{
|
||
|
|
DragDropDataObject *This = impl_from_IDataObject(iface);
|
||
|
|
ULONG refCount = InterlockedDecrement(&This->ref);
|
||
|
|
|
||
|
|
TRACE("(%p)->(count=%u)\n", This, refCount + 1);
|
||
|
|
if (refCount)
|
||
|
|
return refCount;
|
||
|
|
|
||
|
|
TRACE("-- destroying DragDropDataObject (%p)\n", This);
|
||
|
|
CFRelease(This->pasteboard);
|
||
|
|
HeapFree(GetProcessHeap(), 0, This);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static HRESULT WINAPI dddo_GetData(IDataObject* iface, FORMATETC* formatEtc, STGMEDIUM* medium)
|
||
|
|
{
|
||
|
|
DragDropDataObject *This = impl_from_IDataObject(iface);
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
TRACE("This %p formatEtc %s\n", This, debugstr_format(formatEtc->cfFormat));
|
||
|
|
|
||
|
|
hr = IDataObject_QueryGetData(iface, formatEtc);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
medium->tymed = TYMED_HGLOBAL;
|
||
|
|
medium->u.hGlobal = macdrv_get_pasteboard_data(This->pasteboard, formatEtc->cfFormat);
|
||
|
|
medium->pUnkForRelease = NULL;
|
||
|
|
hr = medium->u.hGlobal ? S_OK : E_OUTOFMEMORY;
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static HRESULT WINAPI dddo_GetDataHere(IDataObject* iface, FORMATETC* formatEtc,
|
||
|
|
STGMEDIUM* medium)
|
||
|
|
{
|
||
|
|
FIXME("iface %p formatEtc %p medium %p; stub\n", iface, formatEtc, medium);
|
||
|
|
return DATA_E_FORMATETC;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static HRESULT WINAPI dddo_QueryGetData(IDataObject* iface, FORMATETC* formatEtc)
|
||
|
|
{
|
||
|
|
DragDropDataObject *This = impl_from_IDataObject(iface);
|
||
|
|
HRESULT hr = DV_E_FORMATETC;
|
||
|
|
|
||
|
|
TRACE("This %p formatEtc %p={.tymed=0x%x, .dwAspect=%d, .cfFormat=%s}\n",
|
||
|
|
This, formatEtc, formatEtc->tymed, formatEtc->dwAspect,
|
||
|
|
debugstr_format(formatEtc->cfFormat));
|
||
|
|
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (macdrv_pasteboard_has_format(This->pasteboard, formatEtc->cfFormat))
|
||
|
|
hr = S_OK;
|
||
|
|
|
||
|
|
TRACE(" -> 0x%x\n", hr);
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static HRESULT WINAPI dddo_GetConicalFormatEtc(IDataObject* iface, FORMATETC* formatEtc,
|
||
|
|
FORMATETC* formatEtcOut)
|
||
|
|
{
|
||
|
|
DragDropDataObject *This = impl_from_IDataObject(iface);
|
||
|
|
|
||
|
|
TRACE("This %p formatEtc %p={.tymed=0x%x, .dwAspect=%d, .cfFormat=%s}\n",
|
||
|
|
This, formatEtc, formatEtc->tymed, formatEtc->dwAspect,
|
||
|
|
debugstr_format(formatEtc->cfFormat));
|
||
|
|
|
||
|
|
*formatEtcOut = *formatEtc;
|
||
|
|
formatEtcOut->ptd = NULL;
|
||
|
|
return DATA_S_SAMEFORMATETC;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static HRESULT WINAPI dddo_SetData(IDataObject* iface, FORMATETC* formatEtc,
|
||
|
|
STGMEDIUM* medium, BOOL fRelease)
|
||
|
|
{
|
||
|
|
DragDropDataObject *This = impl_from_IDataObject(iface);
|
||
|
|
|
||
|
|
TRACE("This %p formatEtc %p={.tymed=0x%x, .dwAspect=%d, .cfFormat=%s} medium %p fRelease %d\n",
|
||
|
|
This, formatEtc, formatEtc->tymed, formatEtc->dwAspect,
|
||
|
|
debugstr_format(formatEtc->cfFormat), medium, fRelease);
|
||
|
|
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static HRESULT WINAPI dddo_EnumFormatEtc(IDataObject* iface, DWORD direction,
|
||
|
|
IEnumFORMATETC** enumFormatEtc)
|
||
|
|
{
|
||
|
|
DragDropDataObject *This = impl_from_IDataObject(iface);
|
||
|
|
CFArrayRef formats;
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
TRACE("This %p direction %u enumFormatEtc %p\n", This, direction, enumFormatEtc);
|
||
|
|
|
||
|
|
if (direction != DATADIR_GET)
|
||
|
|
{
|
||
|
|
WARN("only the get direction is implemented\n");
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
formats = macdrv_copy_pasteboard_formats(This->pasteboard);
|
||
|
|
if (formats)
|
||
|
|
{
|
||
|
|
INT count = CFArrayGetCount(formats);
|
||
|
|
FORMATETC *formatEtcs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(FORMATETC));
|
||
|
|
if (formatEtcs)
|
||
|
|
{
|
||
|
|
INT i;
|
||
|
|
|
||
|
|
for (i = 0; i < count; i++)
|
||
|
|
{
|
||
|
|
formatEtcs[i].cfFormat = (UINT)CFArrayGetValueAtIndex(formats, i);
|
||
|
|
formatEtcs[i].ptd = NULL;
|
||
|
|
formatEtcs[i].dwAspect = DVASPECT_CONTENT;
|
||
|
|
formatEtcs[i].lindex = -1;
|
||
|
|
formatEtcs[i].tymed = TYMED_HGLOBAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = SHCreateStdEnumFmtEtc(count, formatEtcs, enumFormatEtc);
|
||
|
|
HeapFree(GetProcessHeap(), 0, formatEtcs);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hr = E_OUTOFMEMORY;
|
||
|
|
|
||
|
|
CFRelease(formats);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hr = SHCreateStdEnumFmtEtc(0, NULL, enumFormatEtc);
|
||
|
|
|
||
|
|
TRACE(" -> 0x%x\n", hr);
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static HRESULT WINAPI dddo_DAdvise(IDataObject* iface, FORMATETC* formatEtc, DWORD advf,
|
||
|
|
IAdviseSink* pAdvSink, DWORD* pdwConnection)
|
||
|
|
{
|
||
|
|
FIXME("(%p, %p, %u, %p, %p): stub\n", iface, formatEtc, advf,
|
||
|
|
pAdvSink, pdwConnection);
|
||
|
|
return OLE_E_ADVISENOTSUPPORTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static HRESULT WINAPI dddo_DUnadvise(IDataObject* iface, DWORD dwConnection)
|
||
|
|
{
|
||
|
|
FIXME("(%p, %u): stub\n", iface, dwConnection);
|
||
|
|
return OLE_E_ADVISENOTSUPPORTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static HRESULT WINAPI dddo_EnumDAdvise(IDataObject* iface, IEnumSTATDATA** pEnumAdvise)
|
||
|
|
{
|
||
|
|
FIXME("(%p, %p): stub\n", iface, pEnumAdvise);
|
||
|
|
return OLE_E_ADVISENOTSUPPORTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static const IDataObjectVtbl dovt =
|
||
|
|
{
|
||
|
|
dddo_QueryInterface,
|
||
|
|
dddo_AddRef,
|
||
|
|
dddo_Release,
|
||
|
|
dddo_GetData,
|
||
|
|
dddo_GetDataHere,
|
||
|
|
dddo_QueryGetData,
|
||
|
|
dddo_GetConicalFormatEtc,
|
||
|
|
dddo_SetData,
|
||
|
|
dddo_EnumFormatEtc,
|
||
|
|
dddo_DAdvise,
|
||
|
|
dddo_DUnadvise,
|
||
|
|
dddo_EnumDAdvise
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
static IDataObject *create_data_object_for_pasteboard(CFTypeRef pasteboard)
|
||
|
|
{
|
||
|
|
DragDropDataObject *dddo;
|
||
|
|
|
||
|
|
dddo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*dddo));
|
||
|
|
if (!dddo)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
dddo->ref = 1;
|
||
|
|
dddo->IDataObject_iface.lpVtbl = &dovt;
|
||
|
|
dddo->pasteboard = CFRetain(pasteboard);
|
||
|
|
|
||
|
|
return &dddo->IDataObject_iface;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**************************************************************************
|
||
|
|
* drag_operations_to_dropeffects
|
||
|
|
*/
|
||
|
|
static DWORD drag_operations_to_dropeffects(uint32_t ops)
|
||
|
|
{
|
||
|
|
DWORD effects = DROPEFFECT_NONE;
|
||
|
|
if (ops & (DRAG_OP_COPY | DRAG_OP_GENERIC))
|
||
|
|
effects |= DROPEFFECT_COPY;
|
||
|
|
if (ops & DRAG_OP_MOVE)
|
||
|
|
effects |= DROPEFFECT_MOVE;
|
||
|
|
if (ops & (DRAG_OP_LINK | DRAG_OP_GENERIC))
|
||
|
|
effects |= DROPEFFECT_LINK;
|
||
|
|
return effects;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**************************************************************************
|
||
|
|
* dropeffect_to_drag_operation
|
||
|
|
*/
|
||
|
|
static uint32_t dropeffect_to_drag_operation(DWORD effect, uint32_t ops)
|
||
|
|
{
|
||
|
|
switch (effect)
|
||
|
|
{
|
||
|
|
case DROPEFFECT_COPY: return (ops & DRAG_OP_COPY) ? DRAG_OP_COPY : DRAG_OP_GENERIC;
|
||
|
|
case DROPEFFECT_MOVE: return DRAG_OP_MOVE;
|
||
|
|
case DROPEFFECT_LINK: return (ops & DRAG_OP_LINK) ? DRAG_OP_LINK : DRAG_OP_GENERIC;
|
||
|
|
}
|
||
|
|
|
||
|
|
return DRAG_OP_NONE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* Based on functions in dlls/ole32/ole2.c */
|
||
|
|
static HANDLE get_droptarget_local_handle(HWND hwnd)
|
||
|
|
{
|
||
|
|
static const WCHAR prop_marshalleddroptarget[] =
|
||
|
|
{'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};
|
||
|
|
HANDLE handle;
|
||
|
|
HANDLE local_handle = 0;
|
||
|
|
|
||
|
|
handle = GetPropW(hwnd, prop_marshalleddroptarget);
|
||
|
|
if (handle)
|
||
|
|
{
|
||
|
|
DWORD pid;
|
||
|
|
HANDLE process;
|
||
|
|
|
||
|
|
GetWindowThreadProcessId(hwnd, &pid);
|
||
|
|
process = OpenProcess(PROCESS_DUP_HANDLE, FALSE, pid);
|
||
|
|
if (process)
|
||
|
|
{
|
||
|
|
DuplicateHandle(process, handle, GetCurrentProcess(), &local_handle, 0, FALSE, DUPLICATE_SAME_ACCESS);
|
||
|
|
CloseHandle(process);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return local_handle;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static HRESULT create_stream_from_map(HANDLE map, IStream **stream)
|
||
|
|
{
|
||
|
|
HRESULT hr = E_OUTOFMEMORY;
|
||
|
|
HGLOBAL hmem;
|
||
|
|
void *data;
|
||
|
|
MEMORY_BASIC_INFORMATION info;
|
||
|
|
|
||
|
|
data = MapViewOfFile(map, FILE_MAP_READ, 0, 0, 0);
|
||
|
|
if(!data) return hr;
|
||
|
|
|
||
|
|
VirtualQuery(data, &info, sizeof(info));
|
||
|
|
TRACE("size %d\n", (int)info.RegionSize);
|
||
|
|
|
||
|
|
hmem = GlobalAlloc(GMEM_MOVEABLE, info.RegionSize);
|
||
|
|
if(hmem)
|
||
|
|
{
|
||
|
|
memcpy(GlobalLock(hmem), data, info.RegionSize);
|
||
|
|
GlobalUnlock(hmem);
|
||
|
|
hr = CreateStreamOnHGlobal(hmem, TRUE, stream);
|
||
|
|
}
|
||
|
|
UnmapViewOfFile(data);
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static IDropTarget* get_droptarget_pointer(HWND hwnd)
|
||
|
|
{
|
||
|
|
IDropTarget *droptarget = NULL;
|
||
|
|
HANDLE map;
|
||
|
|
IStream *stream;
|
||
|
|
|
||
|
|
map = get_droptarget_local_handle(hwnd);
|
||
|
|
if(!map) return NULL;
|
||
|
|
|
||
|
|
if(SUCCEEDED(create_stream_from_map(map, &stream)))
|
||
|
|
{
|
||
|
|
CoUnmarshalInterface(stream, &IID_IDropTarget, (void**)&droptarget);
|
||
|
|
IStream_Release(stream);
|
||
|
|
}
|
||
|
|
CloseHandle(map);
|
||
|
|
return droptarget;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**************************************************************************
|
||
|
|
* query_drag_drop
|
||
|
|
*/
|
||
|
|
BOOL query_drag_drop(macdrv_query* query)
|
||
|
|
{
|
||
|
|
BOOL ret = FALSE;
|
||
|
|
HWND hwnd = macdrv_get_window_hwnd(query->window);
|
||
|
|
struct macdrv_win_data *data = get_win_data(hwnd);
|
||
|
|
POINT pt;
|
||
|
|
IDropTarget *droptarget;
|
||
|
|
|
||
|
|
TRACE("win %p/%p x,y %d,%d op 0x%08x pasteboard %p\n", hwnd, query->window,
|
||
|
|
query->drag_drop.x, query->drag_drop.y, query->drag_drop.op, query->drag_drop.pasteboard);
|
||
|
|
|
||
|
|
if (!data)
|
||
|
|
{
|
||
|
|
WARN("no win_data for win %p/%p\n", hwnd, query->window);
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
pt.x = query->drag_drop.x + data->whole_rect.left;
|
||
|
|
pt.y = query->drag_drop.y + data->whole_rect.top;
|
||
|
|
release_win_data(data);
|
||
|
|
|
||
|
|
droptarget = get_droptarget_pointer(last_droptarget_hwnd);
|
||
|
|
if (droptarget)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
POINTL pointl;
|
||
|
|
DWORD effect = drag_operations_to_dropeffects(query->drag_drop.op);
|
||
|
|
|
||
|
|
if (!active_data_object)
|
||
|
|
{
|
||
|
|
WARN("shouldn't happen: no active IDataObject\n");
|
||
|
|
active_data_object = create_data_object_for_pasteboard(query->drag_drop.pasteboard);
|
||
|
|
}
|
||
|
|
|
||
|
|
pointl.x = pt.x;
|
||
|
|
pointl.y = pt.y;
|
||
|
|
TRACE("Drop hwnd %p droptarget %p pointl (%d,%d) effect 0x%08x\n", last_droptarget_hwnd,
|
||
|
|
droptarget, pointl.x, pointl.y, effect);
|
||
|
|
hr = IDropTarget_Drop(droptarget, active_data_object, MK_LBUTTON, pointl, &effect);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
if (effect != DROPEFFECT_NONE)
|
||
|
|
{
|
||
|
|
TRACE("drop succeeded\n");
|
||
|
|
ret = TRUE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
TRACE("the application refused the drop\n");
|
||
|
|
}
|
||
|
|
else
|
||
|
|
WARN("drop failed, error 0x%08X\n", hr);
|
||
|
|
IDropTarget_Release(droptarget);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hwnd = WindowFromPoint(pt);
|
||
|
|
while (hwnd && !(GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_ACCEPTFILES))
|
||
|
|
hwnd = GetParent(hwnd);
|
||
|
|
if (hwnd)
|
||
|
|
{
|
||
|
|
HDROP hdrop = macdrv_get_pasteboard_data(query->drag_drop.pasteboard, CF_HDROP);
|
||
|
|
DROPFILES *dropfiles = GlobalLock(hdrop);
|
||
|
|
if (dropfiles)
|
||
|
|
{
|
||
|
|
dropfiles->pt.x = pt.x;
|
||
|
|
dropfiles->pt.y = pt.y;
|
||
|
|
dropfiles->fNC = TRUE;
|
||
|
|
|
||
|
|
TRACE("sending WM_DROPFILES: hwnd %p pt %s %s\n", hwnd, wine_dbgstr_point(&pt),
|
||
|
|
debugstr_w((WCHAR*)((char*)dropfiles + dropfiles->pFiles)));
|
||
|
|
|
||
|
|
GlobalUnlock(hdrop);
|
||
|
|
|
||
|
|
ret = PostMessageW(hwnd, WM_DROPFILES, (WPARAM)hdrop, 0L);
|
||
|
|
/* hdrop is owned by the message and freed when the recipient calls DragFinish(). */
|
||
|
|
}
|
||
|
|
else
|
||
|
|
GlobalFree(hdrop);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (active_data_object) IDataObject_Release(active_data_object);
|
||
|
|
active_data_object = NULL;
|
||
|
|
last_droptarget_hwnd = NULL;
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**************************************************************************
|
||
|
|
* query_drag_exited
|
||
|
|
*/
|
||
|
|
BOOL query_drag_exited(macdrv_query* query)
|
||
|
|
{
|
||
|
|
HWND hwnd = macdrv_get_window_hwnd(query->window);
|
||
|
|
IDropTarget *droptarget;
|
||
|
|
|
||
|
|
TRACE("win %p/%p\n", hwnd, query->window);
|
||
|
|
|
||
|
|
droptarget = get_droptarget_pointer(last_droptarget_hwnd);
|
||
|
|
if (droptarget)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
TRACE("DragLeave hwnd %p droptarget %p\n", last_droptarget_hwnd, droptarget);
|
||
|
|
hr = IDropTarget_DragLeave(droptarget);
|
||
|
|
if (FAILED(hr))
|
||
|
|
WARN("IDropTarget_DragLeave failed, error 0x%08X\n", hr);
|
||
|
|
IDropTarget_Release(droptarget);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (active_data_object) IDataObject_Release(active_data_object);
|
||
|
|
active_data_object = NULL;
|
||
|
|
last_droptarget_hwnd = NULL;
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**************************************************************************
|
||
|
|
* query_drag_operation
|
||
|
|
*/
|
||
|
|
BOOL query_drag_operation(macdrv_query* query)
|
||
|
|
{
|
||
|
|
BOOL ret = FALSE;
|
||
|
|
HWND hwnd = macdrv_get_window_hwnd(query->window);
|
||
|
|
struct macdrv_win_data *data = get_win_data(hwnd);
|
||
|
|
POINT pt;
|
||
|
|
DWORD effect;
|
||
|
|
IDropTarget *droptarget;
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
TRACE("win %p/%p x,y %d,%d offered_ops 0x%x pasteboard %p\n", hwnd, query->window,
|
||
|
|
query->drag_operation.x, query->drag_operation.y, query->drag_operation.offered_ops,
|
||
|
|
query->drag_operation.pasteboard);
|
||
|
|
|
||
|
|
if (!data)
|
||
|
|
{
|
||
|
|
WARN("no win_data for win %p/%p\n", hwnd, query->window);
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
pt.x = query->drag_operation.x + data->whole_rect.left;
|
||
|
|
pt.y = query->drag_operation.y + data->whole_rect.top;
|
||
|
|
release_win_data(data);
|
||
|
|
|
||
|
|
effect = drag_operations_to_dropeffects(query->drag_operation.offered_ops);
|
||
|
|
|
||
|
|
/* Instead of the top-level window we got in the query, start with the deepest
|
||
|
|
child under the cursor. Travel up the hierarchy looking for a window that
|
||
|
|
has an associated IDropTarget. */
|
||
|
|
hwnd = WindowFromPoint(pt);
|
||
|
|
do
|
||
|
|
{
|
||
|
|
droptarget = get_droptarget_pointer(hwnd);
|
||
|
|
} while (!droptarget && (hwnd = GetParent(hwnd)));
|
||
|
|
|
||
|
|
if (last_droptarget_hwnd != hwnd)
|
||
|
|
{
|
||
|
|
if (last_droptarget_hwnd)
|
||
|
|
{
|
||
|
|
IDropTarget *old_droptarget = get_droptarget_pointer(last_droptarget_hwnd);
|
||
|
|
if (old_droptarget)
|
||
|
|
{
|
||
|
|
TRACE("DragLeave hwnd %p droptarget %p\n", last_droptarget_hwnd, old_droptarget);
|
||
|
|
hr = IDropTarget_DragLeave(old_droptarget);
|
||
|
|
if (FAILED(hr))
|
||
|
|
WARN("IDropTarget_DragLeave failed, error 0x%08X\n", hr);
|
||
|
|
IDropTarget_Release(old_droptarget);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
last_droptarget_hwnd = hwnd;
|
||
|
|
|
||
|
|
if (droptarget)
|
||
|
|
{
|
||
|
|
POINTL pointl = { pt.x, pt.y };
|
||
|
|
|
||
|
|
if (!active_data_object)
|
||
|
|
active_data_object = create_data_object_for_pasteboard(query->drag_operation.pasteboard);
|
||
|
|
|
||
|
|
TRACE("DragEnter hwnd %p droptarget %p\n", hwnd, droptarget);
|
||
|
|
hr = IDropTarget_DragEnter(droptarget, active_data_object, MK_LBUTTON,
|
||
|
|
pointl, &effect);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
query->drag_operation.accepted_op = dropeffect_to_drag_operation(effect,
|
||
|
|
query->drag_operation.offered_ops);
|
||
|
|
TRACE(" effect %d accepted op %d\n", effect, query->drag_operation.accepted_op);
|
||
|
|
ret = TRUE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
WARN("IDropTarget_DragEnter failed, error 0x%08X\n", hr);
|
||
|
|
IDropTarget_Release(droptarget);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (droptarget)
|
||
|
|
{
|
||
|
|
POINTL pointl = { pt.x, pt.y };
|
||
|
|
|
||
|
|
TRACE("DragOver hwnd %p droptarget %p\n", hwnd, droptarget);
|
||
|
|
hr = IDropTarget_DragOver(droptarget, MK_LBUTTON, pointl, &effect);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
query->drag_operation.accepted_op = dropeffect_to_drag_operation(effect,
|
||
|
|
query->drag_operation.offered_ops);
|
||
|
|
TRACE(" effect %d accepted op %d\n", effect, query->drag_operation.accepted_op);
|
||
|
|
ret = TRUE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
WARN("IDropTarget_DragOver failed, error 0x%08X\n", hr);
|
||
|
|
IDropTarget_Release(droptarget);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!ret)
|
||
|
|
{
|
||
|
|
hwnd = WindowFromPoint(pt);
|
||
|
|
while (hwnd && !(GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_ACCEPTFILES))
|
||
|
|
hwnd = GetParent(hwnd);
|
||
|
|
if (hwnd)
|
||
|
|
{
|
||
|
|
FORMATETC formatEtc;
|
||
|
|
|
||
|
|
if (!active_data_object)
|
||
|
|
active_data_object = create_data_object_for_pasteboard(query->drag_operation.pasteboard);
|
||
|
|
|
||
|
|
formatEtc.cfFormat = CF_HDROP;
|
||
|
|
formatEtc.ptd = NULL;
|
||
|
|
formatEtc.dwAspect = DVASPECT_CONTENT;
|
||
|
|
formatEtc.lindex = -1;
|
||
|
|
formatEtc.tymed = TYMED_HGLOBAL;
|
||
|
|
if (SUCCEEDED(IDataObject_QueryGetData(active_data_object, &formatEtc)))
|
||
|
|
{
|
||
|
|
TRACE("WS_EX_ACCEPTFILES hwnd %p\n", hwnd);
|
||
|
|
query->drag_operation.accepted_op = DRAG_OP_GENERIC;
|
||
|
|
ret = TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
TRACE(" -> %s\n", ret ? "TRUE" : "FALSE");
|
||
|
|
return ret;
|
||
|
|
}
|