// Name: msw/ole/dropsrc.cpp
// Purpose: implementation of wxIDropSource and wxDropSource
// Author: Vadim Zeitlin
-// Modified by:
+// Modified by:
// Created: 10.05.98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "dropsrc.h"
#endif
#if defined(__BORLANDC__)
#pragma hdrstop
#endif
+#ifndef WX_PRECOMP
+#include "wx/window.h"
+#endif
+
+#include "wx/setup.h"
-#include <wx/setup.h>
+#if wxUSE_OLE && wxUSE_DRAG_AND_DROP
-#if USE_DRAG_AND_DROP
+#include "wx/log.h"
+#include "wx/dnd.h"
-#include <wx/log.h>
-#include <wx/msw/ole/oleutils.h>
-#include <wx/msw/ole/dataobj.h>
-#include <wx/msw/ole/dropsrc.h>
+#include "wx/msw/private.h"
-#ifndef __WIN32__
- #include <ole2.h>
- #include <olestd.h>
+// for some compilers, the entire ole2.h must be included, not only oleauto.h
+#if wxUSE_NORLANDER_HEADERS || defined(__WATCOMC__) || defined(__WXWINCE__)
+ #include <ole2.h>
#endif
+#include <oleauto.h>
+
+#include "wx/msw/ole/oleutils.h"
+
// ----------------------------------------------------------------------------
// wxIDropSource implementation of IDropSource interface
// ----------------------------------------------------------------------------
private:
DWORD m_grfInitKeyState; // button which started the d&d operation
wxDropSource *m_pDropSource; // pointer to C++ class we belong to
+
+ DECLARE_NO_COPY_CLASS(wxIDropSource)
};
// ============================================================================
m_pDropSource = pDropSource;
m_grfInitKeyState = 0;
- m_cRef = 0;
}
// Name : wxIDropSource::QueryContinueDrag
// Name : wxIDropSource::GiveFeedback
// Purpose : give UI feedback according to current state of operation
-// Returns : STDMETHODIMP
+// Returns : STDMETHODIMP
// Params : [in] DWORD dwEffect - what would happen if we dropped now
// Notes : default implementation is ok in more than 99% of cases
STDMETHODIMP wxIDropSource::GiveFeedback(DWORD dwEffect)
{
- wxDropSource::DragResult effect;
+ wxDragResult effect;
if ( dwEffect & DROPEFFECT_COPY )
- effect = wxDropSource::Copy;
+ effect = wxDragCopy;
else if ( dwEffect & DROPEFFECT_MOVE )
- effect = wxDropSource::Move;
+ effect = wxDragMove;
else
- effect = wxDropSource::None;
+ effect = wxDragNone;
- if ( m_pDropSource->GiveFeedback(effect,
- (dwEffect & DROPEFFECT_SCROLL) != 0 ) )
+ if ( m_pDropSource->GiveFeedback(effect) )
return S_OK;
return DRAGDROP_S_USEDEFAULTCURSORS;
// common part of all ctors
void wxDropSource::Init()
{
- m_pIDropSource = new wxIDropSource(this);
- m_pIDropSource->AddRef();
+ m_pIDropSource = new wxIDropSource(this);
+ m_pIDropSource->AddRef();
}
-wxDropSource::wxDropSource()
+wxDropSource::wxDropSource(wxWindow* WXUNUSED(win),
+ const wxCursor &cursorCopy,
+ const wxCursor &cursorMove,
+ const wxCursor &cursorStop)
+ : wxDropSourceBase(cursorCopy, cursorMove, cursorStop)
{
- Init();
- m_pData = NULL;
+ Init();
}
-wxDropSource::wxDropSource(wxDataObject& data)
+wxDropSource::wxDropSource(wxDataObject& data,
+ wxWindow* WXUNUSED(win),
+ const wxCursor &cursorCopy,
+ const wxCursor &cursorMove,
+ const wxCursor &cursorStop)
+ : wxDropSourceBase(cursorCopy, cursorMove, cursorStop)
{
- Init();
- SetData(data);
-}
-
-void wxDropSource::SetData(wxDataObject& data)
-{
- m_pData = &data;
+ Init();
+ SetData(data);
}
wxDropSource::~wxDropSource()
{
- m_pIDropSource->Release();
+ m_pIDropSource->Release();
}
// Name : DoDragDrop
// Purpose : start drag and drop operation
-// Returns : DragResult - the code of performed operation
-// Params : [in] bool bAllowMove: if false, only copy is allowed
+// Returns : wxDragResult - the code of performed operation
+// Params : [in] int flags: specifies if moving is allowe (or only copying)
// Notes : you must call SetData() before if you had used def ctor
-wxDropSource::DragResult wxDropSource::DoDragDrop(bool bAllowMove)
+wxDragResult wxDropSource::DoDragDrop(int flags)
{
- wxCHECK_RET( m_pData != NULL, None );
+ wxCHECK_MSG( m_data != NULL, wxDragNone, wxT("No data in wxDropSource!") );
DWORD dwEffect;
- HRESULT hr = ::DoDragDrop(m_pData->GetInterface(),
- m_pIDropSource,
- bAllowMove ? DROPEFFECT_COPY | DROPEFFECT_MOVE
- : DROPEFFECT_COPY,
+ HRESULT hr = ::DoDragDrop(m_data->GetInterface(),
+ m_pIDropSource,
+ (flags & wxDrag_AllowMove)
+ ? DROPEFFECT_COPY | DROPEFFECT_MOVE
+ : DROPEFFECT_COPY,
&dwEffect);
if ( hr == DRAGDROP_S_CANCEL ) {
- return Cancel;
+ return wxDragCancel;
}
else if ( hr == DRAGDROP_S_DROP ) {
if ( dwEffect & DROPEFFECT_COPY ) {
- return Copy;
+ return wxDragCopy;
}
else if ( dwEffect & DROPEFFECT_MOVE ) {
// consistency check: normally, we shouldn't get "move" at all
- // here if !bAllowMove, but in practice it does happen quite often
- if ( bAllowMove )
- return Move;
- else
- return Copy;
+ // here if we don't allow it, but in practice it does happen quite often
+ return (flags & wxDrag_AllowMove) ? wxDragMove : wxDragCopy;
}
else {
// not copy or move
- return None;
+ return wxDragNone;
}
}
else {
if ( FAILED(hr) ) {
- wxLogApiError("DoDragDrop", hr);
- wxLogError("Drag & drop operation failed.");
+ wxLogApiError(wxT("DoDragDrop"), hr);
+ wxLogError(wxT("Drag & drop operation failed."));
}
else {
- wxLogDebug("Unexpected success return code %08lx from DoDragDrop.", hr);
+ wxLogDebug(wxT("Unexpected success return code %08lx from DoDragDrop."),
+ hr);
}
- return Error;
+ return wxDragError;
}
}
// Purpose : visually inform the user about d&d operation state
// Returns : bool: true if we do all ourselves or false for default feedback
// Params : [in] DragResult effect - what would happen if we dropped now
-// [in] bool bScrolling - true if target is scrolling
// Notes : here we just leave this stuff for default implementation
-bool wxDropSource::GiveFeedback(DragResult effect, bool bScrolling)
+bool wxDropSource::GiveFeedback(wxDragResult effect)
{
- return false;
+ const wxCursor& cursor = GetCursor(effect);
+ if ( cursor.Ok() )
+ {
+ ::SetCursor((HCURSOR)cursor.GetHCURSOR());
+
+ return TRUE;
+ }
+ else
+ {
+ return FALSE;
+ }
}
-#endif //USE_DRAG_AND_DROP
\ No newline at end of file
+#endif //USE_DRAG_AND_DROP
projects / wxWidgets.git / blobdiff