include jconfig.vc under OS/2 too

[wxWidgets.git] / src / msw / ole / dropsrc.cpp

diff --git a/src/msw/ole/dropsrc.cpp b/src/msw/ole/dropsrc.cpp
index 1f9708873201e968a9256aaf4c2ec9b0af68976a..90f89d419e0412b09bf9659b2f3761c8fcf6f98e 100644 (file)
--- 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
 // 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>
 // Created:     10.05.98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-  #pragma implementation "dropsrc.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -28,20 +24,26 @@
   #pragma hdrstop
 #endif
 
   #pragma hdrstop
 #endif
 

-#include  <wx/setup.h>
+#if wxUSE_OLE && wxUSE_DRAG_AND_DROP
+
+#ifndef WX_PRECOMP
+    #include "wx/window.h"
+    #include "wx/log.h"
+#endif

 
 

-#if USE_DRAG_AND_DROP
+#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
 
 #endif
 

+#include <oleauto.h>
+
+#include "wx/msw/ole/oleutils.h"
+

 // ----------------------------------------------------------------------------
 // wxIDropSource implementation of IDropSource interface
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxIDropSource implementation of IDropSource interface
 // ----------------------------------------------------------------------------


@@ -50,16 +52,19 @@ class wxIDropSource : public IDropSource
 {
 public:
   wxIDropSource(wxDropSource *pDropSource);
 {
 public:
   wxIDropSource(wxDropSource *pDropSource);

-
-  DECLARE_IUNKNOWN_METHODS;
+  virtual ~wxIDropSource() { }

 
   // IDropSource
   STDMETHODIMP QueryContinueDrag(BOOL fEscapePressed, DWORD grfKeyState);
   STDMETHODIMP GiveFeedback(DWORD dwEffect);
 
 
   // 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
 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)

 };
 
 // ============================================================================
 };
 
 // ============================================================================


@@ -82,7 +87,6 @@ wxIDropSource::wxIDropSource(wxDropSource *pDropSource)
 
   m_pDropSource = pDropSource;
   m_grfInitKeyState = 0;
 
   m_pDropSource = pDropSource;
   m_grfInitKeyState = 0;

-  m_cRef = 0;

 }
 
 // Name    : wxIDropSource::QueryContinueDrag
 }
 
 // Name    : wxIDropSource::QueryContinueDrag


@@ -116,21 +120,20 @@ STDMETHODIMP wxIDropSource::QueryContinueDrag(BOOL fEscapePressed,
 
 // Name    : wxIDropSource::GiveFeedback
 // Purpose : give UI feedback according to current state of operation
 
 // 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)
 {
 // 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 )
   if ( dwEffect & DROPEFFECT_COPY )

-    effect = wxDropSource::Copy;
+    effect = wxDragCopy;

   else if ( dwEffect & DROPEFFECT_MOVE )
   else if ( dwEffect & DROPEFFECT_MOVE )

-    effect = wxDropSource::Move;
+    effect = wxDragMove;

   else
   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;
     return S_OK;
 
   return DRAGDROP_S_USEDEFAULTCURSORS;


@@ -145,78 +148,80 @@ STDMETHODIMP wxIDropSource::GiveFeedback(DWORD dwEffect)
 // common part of all ctors
 void wxDropSource::Init()
 {
 // 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()
 {
 }
 
 wxDropSource::~wxDropSource()
 {

-  m_pIDropSource->Release();
+    m_pIDropSource->Release();

 }
 
 // Name    : DoDragDrop
 // Purpose : start drag and drop operation
 }
 
 // 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
 // Notes   : you must call SetData() before if you had used def ctor

-wxDropSource::DragResult wxDropSource::DoDragDrop(bool bAllowMove)
+wxDragResult wxDropSource::DoDragDrop(int flags)

 {
 {

-  wxCHECK_MSG( m_pData != NULL, None, "No data in wxDropSource!" );
+  wxCHECK_MSG( m_data != NULL, wxDragNone, wxT("No data in wxDropSource!") );

 
   DWORD dwEffect;
 
   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 ) {
                             &dwEffect);
 
   if ( hr == DRAGDROP_S_CANCEL ) {

-    return Cancel;
+    return wxDragCancel;

   }
   else if ( hr == DRAGDROP_S_DROP ) {
     if ( dwEffect & DROPEFFECT_COPY ) {
   }
   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
     }
     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
     }
     else {
       // not copy or move

-      return None;
+      return wxDragNone;

     }
   }
   else {
     if ( FAILED(hr) ) {
     }
   }
   else {
     if ( FAILED(hr) ) {

-      wxLogApiError("DoDragDrop", hr);
-      wxLogError("Drag & drop operation failed.");
+      wxLogApiError(wxT("DoDragDrop"), hr);
+      wxLogError(wxT("Drag & drop operation failed."));

     }
     else {
     }
     else {

-      wxLogDebug("Unexpected success return code %08lx from DoDragDrop.", hr);
+      wxLogDebug(wxT("Unexpected success return code %08lx from DoDragDrop."),
+                 hr);

     }
 
     }
 

-    return Error;
+    return wxDragError;

   }
 }
 
   }
 }
 


@@ -224,11 +229,20 @@ wxDropSource::DragResult 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
 // 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
 // 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  // wxUSE_OLE && wxUSE_DRAG_AND_DROP