///////////////////////////////////////////////////////////////////////////////
-// Name: msw/ole/dropsrc.cpp
+// Name: src/msw/ole/dropsrc.cpp
// Purpose: implementation of wxIDropSource and wxDropSource
// Author: Vadim Zeitlin
// 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__
- #pragma implementation "dropsrc.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if defined(__BORLANDC__)
#pragma hdrstop
#endif
-#ifndef WX_PRECOMP
-#include "wx/window.h"
-#endif
-#include "wx/setup.h"
+#if wxUSE_OLE && wxUSE_DRAG_AND_DROP
-#if wxUSE_DRAG_AND_DROP
+#ifndef WX_PRECOMP
+ #include "wx/window.h"
+ #include "wx/log.h"
+#endif
-#include "wx/log.h"
-#include "wx/dataobj.h"
-#include "wx/msw/ole/dropsrc.h"
+#include "wx/dnd.h"
-#include <windows.h>
-#ifdef wxUSE_NORLANDER_HEADERS
-#include <ole2.h>
-#endif
+#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>
{
public:
wxIDropSource(wxDropSource *pDropSource);
-
- DECLARE_IUNKNOWN_METHODS;
+ virtual ~wxIDropSource() { }
// IDropSource
STDMETHODIMP QueryContinueDrag(BOOL fEscapePressed, DWORD grfKeyState);
STDMETHODIMP GiveFeedback(DWORD dwEffect);
+ DECLARE_IUNKNOWN_METHODS;
+
private:
DWORD m_grfInitKeyState; // button which started the d&d operation
wxDropSource *m_pDropSource; // pointer to C++ class we belong to
+
+ wxDECLARE_NO_COPY_CLASS(wxIDropSource);
};
// ============================================================================
m_pDropSource = pDropSource;
m_grfInitKeyState = 0;
- m_cRef = 0;
}
// Name : wxIDropSource::QueryContinueDrag
else
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();
-}
-
-wxDropSource::wxDropSource(wxWindow* WXUNUSED(win))
-{
- Init();
- m_pData = NULL;
+ m_pIDropSource = new wxIDropSource(this);
+ m_pIDropSource->AddRef();
}
-wxDropSource::wxDropSource(wxDataObject& data, wxWindow* WXUNUSED(win))
+wxDropSource::wxDropSource(wxWindow* WXUNUSED(win),
+ const wxCursor &cursorCopy,
+ const wxCursor &cursorMove,
+ const wxCursor &cursorStop)
+ : wxDropSourceBase(cursorCopy, cursorMove, cursorStop)
{
- Init();
- SetData(data);
+ Init();
}
-void wxDropSource::SetData(wxDataObject& data)
+wxDropSource::wxDropSource(wxDataObject& data,
+ wxWindow* WXUNUSED(win),
+ const wxCursor &cursorCopy,
+ const wxCursor &cursorMove,
+ const wxCursor &cursorStop)
+ : wxDropSourceBase(cursorCopy, cursorMove, cursorStop)
{
- m_pData = &data;
+ Init();
+ SetData(data);
}
wxDropSource::~wxDropSource()
{
- m_pIDropSource->Release();
+ m_pIDropSource->Release();
}
// Name : DoDragDrop
// Purpose : start drag and drop operation
// Returns : wxDragResult - the code of performed operation
-// Params : [in] bool bAllowMove: if false, only copy is allowed
+// Params : [in] int flags: specifies if moving is allowe (or only copying)
// Notes : you must call SetData() before if you had used def ctor
-wxDragResult wxDropSource::DoDragDrop(bool bAllowMove)
+wxDragResult wxDropSource::DoDragDrop(int flags)
{
- wxCHECK_MSG( m_pData != NULL, wxDragNone, wxT("No data in wxDropSource!") );
+ wxCHECK_MSG( m_data != NULL, wxDragNone, wxT("No data in wxDropSource!") );
DWORD dwEffect;
- HRESULT hr = ::DoDragDrop(m_pData->GetInterface(),
+ HRESULT hr = ::DoDragDrop(m_data->GetInterface(),
m_pIDropSource,
- bAllowMove ? DROPEFFECT_COPY | DROPEFFECT_MOVE
- : DROPEFFECT_COPY,
+ (flags & wxDrag_AllowMove)
+ ? DROPEFFECT_COPY | DROPEFFECT_MOVE
+ : DROPEFFECT_COPY,
&dwEffect);
if ( hr == DRAGDROP_S_CANCEL ) {
}
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 wxDragMove;
- else
- return wxDragCopy;
+ // 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
}
else {
if ( FAILED(hr) ) {
- wxLogApiError("DoDragDrop", hr);
+ wxLogApiError(wxT("DoDragDrop"), hr);
wxLogError(wxT("Drag & drop operation failed."));
}
else {
- wxLogDebug(wxT("Unexpected success return code %08lx from DoDragDrop."), hr);
+ wxLogDebug(wxT("Unexpected success return code %08lx from DoDragDrop."),
+ hr);
}
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(wxDragResult effect, bool bScrolling)
+bool wxDropSource::GiveFeedback(wxDragResult effect)
{
- return FALSE;
+ const wxCursor& cursor = GetCursor(effect);
+ if ( cursor.IsOk() )
+ {
+ ::SetCursor((HCURSOR)cursor.GetHCURSOR());
+
+ return true;
+ }
+ else
+ {
+ return false;
+ }
}
-#endif //USE_DRAG_AND_DROP
+#endif // wxUSE_OLE && wxUSE_DRAG_AND_DROP
projects / wxWidgets.git / blobdiff