X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/223d09f6b523aac674ef9b72a883dfa8d37c5d4e..b404a8f3b072129c107c6d9a5e0f6f53cd34807b:/src/msw/ole/dropsrc.cpp?ds=sidebyside diff --git a/src/msw/ole/dropsrc.cpp b/src/msw/ole/dropsrc.cpp index 6e6e2886d5..9118eecef8 100644 --- a/src/msw/ole/dropsrc.cpp +++ b/src/msw/ole/dropsrc.cpp @@ -1,12 +1,12 @@ /////////////////////////////////////////////////////////////////////////////// -// 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 -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,36 +17,27 @@ // 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 -#ifdef wxUSE_NORLANDER_HEADERS -#include -#endif +#include "wx/msw/private.h" -#ifndef __WIN32__ - #include - #include +// for some compilers, the entire ole2.h must be included, not only oleauto.h +#if wxUSE_NORLANDER_HEADERS || defined(__WATCOMC__) || defined(__WXWINCE__) + #include #endif #include @@ -61,16 +52,19 @@ class wxIDropSource : public IDropSource { 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); }; // ============================================================================ @@ -93,7 +87,6 @@ wxIDropSource::wxIDropSource(wxDropSource *pDropSource) m_pDropSource = pDropSource; m_grfInitKeyState = 0; - m_cRef = 0; } // Name : wxIDropSource::QueryContinueDrag @@ -140,8 +133,7 @@ STDMETHODIMP wxIDropSource::GiveFeedback(DWORD dwEffect) else effect = wxDragNone; - if ( m_pDropSource->GiveFeedback(effect, - (dwEffect & DROPEFFECT_SCROLL) != 0 ) ) + if ( m_pDropSource->GiveFeedback(effect) ) return S_OK; return DRAGDROP_S_USEDEFAULTCURSORS; @@ -156,46 +148,50 @@ STDMETHODIMP wxIDropSource::GiveFeedback(DWORD dwEffect) // 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 ) { @@ -207,11 +203,8 @@ wxDragResult wxDropSource::DoDragDrop(bool bAllowMove) } 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 @@ -220,11 +213,12 @@ wxDragResult wxDropSource::DoDragDrop(bool bAllowMove) } 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; @@ -235,11 +229,20 @@ wxDragResult wxDropSource::DoDragDrop(bool bAllowMove) // 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