// Name: ole/droptgt.cpp
// Purpose: wxDropTarget implementation
// Author: Vadim Zeitlin
-// Modified by:
-// Created:
+// Modified by:
+// Created:
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows license
#pragma hdrstop
#endif
-#include <wx/setup.h>
+#include "wx/setup.h"
#if wxUSE_DRAG_AND_DROP
-#include <wx/log.h>
+#include "wx/log.h"
#ifdef __WIN32__
-#ifndef __GNUWIN32__
-#include <shlobj.h> // for DROPFILES structure
-#endif
+ #ifndef __GNUWIN32__
+ #include <shlobj.h> // for DROPFILES structure
+ #endif
#else
-#include <shellapi.h>
+ #include <shellapi.h>
#endif
-#include <wx/msw/ole/droptgt.h>
+#include "wx/dataobj.h"
+#include "wx/msw/ole/droptgt.h"
#ifndef __WIN32__
-#include <ole2.h>
-#include <olestd.h>
#endif
-#include <wx/msw/ole/oleutils.h>
+#include "wx/msw/ole/oleutils.h"
// ----------------------------------------------------------------------------
// IDropTarget interface: forward all interesting things to wxDropTarget
STDMETHODIMP DragLeave(void);
STDMETHODIMP Drop(LPDATAOBJECT, DWORD, POINTL, LPDWORD);
- // @@ we assume that if QueryGetData() returns S_OK, than we can really
- // get data in this format, so we remember here the format for which
- // QueryGetData() succeeded
+ // we assume that if QueryGetData() returns S_OK, than we can really get data
+ // in this format, so we remember here the format for which QueryGetData()
+ // succeeded
void SetSupportedFormat(wxDataFormat cfFormat) { m_cfFormat = cfFormat; }
DECLARE_IUNKNOWN_METHODS;
// Name : static wxDropTarget::GetDropEffect
// Purpose : determine the drop operation from keyboard/mouse state.
-// Returns : DWORD combined from DROPEFFECT_xxx constants
+// Returns : DWORD combined from DROPEFFECT_xxx constants
// Params : [in] DWORD flags kbd & mouse flags as passed to
// IDropTarget methods
// Notes : We do "move" normally and "copy" if <Ctrl> is pressed,
-// which is the standard behaviour (currently there is no
+// which is the standard behaviour (currently there is no
// way to redefine it)
DWORD wxIDropTarget::GetDropEffect(DWORD flags)
{
}
wxIDropTarget::wxIDropTarget(wxDropTarget *pTarget)
-{
- m_cRef = 0;
+{
+ m_cRef = 0;
m_pTarget = pTarget;
- m_cfFormat = (wxDataFormat) 0;
- m_pIDataObject = NULL;
+ m_cfFormat = wxDF_INVALID;
+ m_pIDataObject = NULL;
}
-wxIDropTarget::~wxIDropTarget()
-{
+wxIDropTarget::~wxIDropTarget()
+{
}
BEGIN_IID_TABLE(wxIDropTarget)
// [in] DWORD grfKeyState : kbd & mouse state
// [in] POINTL pt : mouse coordinates
// [out]DWORD *pdwEffect : effect flag
-// Notes :
+// Notes :
STDMETHODIMP wxIDropTarget::DragEnter(IDataObject *pIDataSource,
DWORD grfKeyState,
POINTL pt,
return S_OK;
}
- // @@ should check the point also?
-
+ // TODO should check the point also?
+
*pdwEffect = GetDropEffect(grfKeyState);
// get hold of the data object
// Params : [in] DWORD grfKeyState kbd & mouse state
// [in] POINTL pt mouse coordinates
// [out]LPDWORD pdwEffect effect flag
-// Notes : We're called on every WM_MOUSEMOVE, so this function should be
+// Notes : We're called on every WM_MOUSEMOVE, so this function should be
// very efficient.
STDMETHODIMP wxIDropTarget::DragOver(DWORD grfKeyState,
POINTL pt,
{
// there are too many of them... wxLogDebug("IDropTarget::DragOver");
- *pdwEffect = m_pIDataObject == NULL ? DROPEFFECT_NONE
+ *pdwEffect = m_pIDataObject == NULL ? DROPEFFECT_NONE
: GetDropEffect(grfKeyState);
return S_OK;
}
// release the held object
RELEASE_AND_NULL(m_pIDataObject);
-
+
return S_OK;
}
// Name : wxIDropTarget::Drop
-// Purpose : Instructs the drop target to paste data that was just now
+// Purpose : Instructs the drop target to paste data that was just now
// dropped on it.
// Returns : S_OK
// Params : [in] IDataObject *pIDataSource the data to paste
// [in] DWORD grfKeyState kbd & mouse state
// [in] POINTL pt where the drop occured?
// [ouy]DWORD *pdwEffect operation effect
-// Notes :
-STDMETHODIMP wxIDropTarget::Drop(IDataObject *pIDataSource,
- DWORD grfKeyState,
- POINTL pt,
+// Notes :
+STDMETHODIMP wxIDropTarget::Drop(IDataObject *pIDataSource,
+ DWORD grfKeyState,
+ POINTL pt,
DWORD *pdwEffect)
{
wxLogDebug("IDropTarget::Drop");
- // @@ I don't know why there is this parameter, but so far I assume
- // that it's the same we've already got in DragEnter
+ // TODO I don't know why there is this parameter, but so far I assume
+ // that it's the same we've already got in DragEnter
wxASSERT( m_pIDataObject == pIDataSource );
STGMEDIUM stm;
- *pdwEffect = DROPEFFECT_NONE;
-
+ *pdwEffect = DROPEFFECT_NONE;
+
// should be set by SetSupportedFormat() call
- wxASSERT( m_cfFormat != 0 );
+ wxASSERT( m_cfFormat != wxDF_INVALID );
FORMATETC fmtMemory;
fmtMemory.cfFormat = m_cfFormat;
- fmtMemory.ptd = NULL;
+ fmtMemory.ptd = NULL;
fmtMemory.dwAspect = DVASPECT_CONTENT;
fmtMemory.lindex = -1;
- fmtMemory.tymed = TYMED_HGLOBAL; // @@@@ to add other media
+ fmtMemory.tymed = TYMED_HGLOBAL; // TODO to add other media
HRESULT hr = pIDataSource->GetData(&fmtMemory, &stm);
if ( SUCCEEDED(hr) ) {
wxDropTarget::wxDropTarget()
{
- // create an IDropTarget implementation which will notify us about
+ // create an IDropTarget implementation which will notify us about
// d&d operations.
m_pIDropTarget = new wxIDropTarget(this);
m_pIDropTarget->AddRef();
{
// this strucutre describes a data of any type (first field will be
// changing) being passed through global memory block.
- static FORMATETC s_fmtMemory = {
+ static FORMATETC s_fmtMemory = {
0,
- NULL,
- DVASPECT_CONTENT,
- -1,
- TYMED_HGLOBAL
+ NULL,
+ DVASPECT_CONTENT,
+ -1,
+ TYMED_HGLOBAL
};
// cycle thorugh all supported formats
for ( size_t n = 0; n < GetFormatCount(); n++ ) {
s_fmtMemory.cfFormat = GetFormat(n);
- // @ don't use SUCCEEDED macro here: QueryGetData returns 1 (whatever it
- // means) for file drag and drop
+ // NB: don't use SUCCEEDED macro here: QueryGetData returns 1 (whatever it
+ // means) for file drag and drop
if ( pIDataSource->QueryGetData(&s_fmtMemory) == S_OK ) {
// remember this format: we'll later ask for data in it
- m_pIDropTarget->SetSupportedFormat((wxDataFormat) s_fmtMemory.cfFormat);
+ m_pIDropTarget->SetSupportedFormat((unsigned int)s_fmtMemory.cfFormat);
return TRUE;
}
}
bool wxFileDropTarget::OnDrop(long x, long y, const void *pData)
{
// the documentation states that the first member of DROPFILES structure
- // is a "DWORD offset of double NUL terminated file list". What they mean by
+ // is a "DWORD offset of double NUL terminated file list". What they mean by
// this (I wonder if you see it immediately) is that the list starts at
// ((char *)&(pDropFiles.pFiles)) + pDropFiles.pFiles. We're also advised to
// use DragQueryFile to work with this structure, but not told where and how
// to get HDROP.
- HDROP hdrop = (HDROP)pData; // @@ it works, but I'm not sure about it
+ HDROP hdrop = (HDROP)pData; // NB: it works, but I'm not sure about it
// get number of files (magic value -1)
- UINT nFiles = ::DragQueryFile(hdrop, -1, NULL, 0);
-
+ UINT nFiles = ::DragQueryFile(hdrop, (unsigned)-1, NULL, 0u);
+
// for each file get the length, allocate memory and then get the name
char **aszFiles = new char *[nFiles];
UINT len, n;
projects / wxWidgets.git / blobdiff