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Removed wxClearVariant() and wxReleaseVariant().
[wxWidgets.git] / src / os2 / dnd.cpp
diff --git a/src/os2/dnd.cpp b/src/os2/dnd.cpp
index b12b6af4bbb0c3d5e4e9f1ca2c1c1038c56b97ad..636484e39712eaffe3cfddbe8d7614bb4ff00d25 100644 (file)
--- a/src/os2/dnd.cpp
+++ b/src/os2/dnd.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        dnd.cpp
+// Name:        src/os2/dnd.cpp
 // Purpose:     wxDropTarget, wxDropSource, wxDataObject implementation
 // Author:      David Webster
 // Modified by:
@@ -9,21 +9,23 @@
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "dnd.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_DRAG_AND_DROP
 
-#include "wx/window.h"
-#include "wx/app.h"
-#include "wx/gdicmn.h"
 #include "wx/dnd.h"
 
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+    #include "wx/window.h"
+    #include "wx/gdicmn.h"
+#endif
+
 #define INCL_PM
 #define INCL_DOS
 #include <os2.h>
 
-#if wxUSE_DRAG_AND_DROP
-
 // ----------------------------------------------------------------------------
 // global
 // ----------------------------------------------------------------------------
@@ -120,14 +122,14 @@ bool CIDropTarget::DragLeave()
     // Release the held object
     //
     Free();
-    return TRUE;
+    return true;
 } // end of CIDropTarget::DragLeave
 
 MRESULT CIDropTarget::DragOver ()
 {
     char                            zBuffer[128];
     ULONG                           ulBytes;
-    USHORT                          uOp;
+    USHORT                          uOp = 0;
     USHORT                          uIndicator;
     ULONG                           ulItems;
     ULONG                           i;
@@ -197,7 +199,7 @@ MRESULT CIDropTarget::Drop ()
 {
     char                            zBuffer[128];
     ULONG                           ulBytes;
-    USHORT                          uOp;
+    USHORT                          uOp = 0;
     USHORT                          uIndicator;
     ULONG                           ulItems;
     ULONG                           i;
@@ -250,7 +252,7 @@ MRESULT CIDropTarget::Drop ()
                           ,m_pDragInfo->yDrop
                          ))
     {
-        wxDragResult                 eRc;
+        wxDragResult                 eRc = wxDragNone;
 
         //
         // And now it has the data
@@ -260,7 +262,7 @@ MRESULT CIDropTarget::Drop ()
                                 ,eRc
                                );
     }
-    //else: OnDrop() returned FALSE, no need to copy data
+    //else: OnDrop() returned false, no need to copy data
 
     //
     // Release the held object
@@ -292,12 +294,12 @@ bool wxDropTarget::GetData ()
 
     if (vFormat == wxDF_INVALID)
     {
-        return FALSE;
+        return false;
     }
     //
     // Under OS/2 we already have the data via the attached DRAGITEM's
     //
-    return TRUE;
+    return true;
 } // end of wxDropTarget::GetData
 
 wxDataFormat wxDropTarget::GetSupportedFormat (
@@ -313,7 +315,7 @@ wxDataFormat wxDropTarget::GetSupportedFormat (
     ULONG                           n;
     wxString                        sMechanism;
     wxString                        sFormat;
-    bool                            bValid = FALSE;
+    bool                            bValid = false;
 
     pFormats = ulFormats == 1 ? &vFormat :  new wxDataFormat[ulFormats];
     m_dataObject->GetAllFormats( pFormats
@@ -327,44 +329,44 @@ wxDataFormat wxDropTarget::GetSupportedFormat (
             case wxDF_TEXT:
             case wxDF_FILENAME:
             case wxDF_HTML:
-                sMechanism = "DRM_OS2FILE";
-                sFormat    = "DRF_TEXT";
+                sMechanism = wxT("DRM_OS2FILE");
+                sFormat    = wxT("DRF_TEXT");
                 break;
 
             case wxDF_OEMTEXT:
-                sMechanism = "DRM_OS2FILE";
-                sFormat    = "DRF_OEMTEXT";
+                sMechanism = wxT("DRM_OS2FILE");
+                sFormat    = wxT("DRF_OEMTEXT");
                 break;
 
             case wxDF_BITMAP:
-                sMechanism = "DRM_OS2FILE";
-                sFormat    = "DRF_BITMAP";
+                sMechanism = wxT("DRM_OS2FILE");
+                sFormat    = wxT("DRF_BITMAP");
                 break;
 
             case wxDF_METAFILE:
             case wxDF_ENHMETAFILE:
-                sMechanism = "DRM_OS2FILE";
-                sFormat    = "DRF_METAFILE";
+                sMechanism = wxT("DRM_OS2FILE");
+                sFormat    = wxT("DRF_METAFILE");
                 break;
 
             case wxDF_TIFF:
-                sMechanism = "DRM_OS2FILE";
-                sFormat    = "DRF_TIFF";
+                sMechanism = wxT("DRM_OS2FILE");
+                sFormat    = wxT("DRF_TIFF");
                 break;
 
             case wxDF_SYLK:
-                sMechanism = "DRM_OS2FILE";
-                sFormat    = "DRF_SYLK";
+                sMechanism = wxT("DRM_OS2FILE");
+                sFormat    = wxT("DRF_SYLK");
                 break;
 
             case wxDF_DIF:
-                sMechanism = "DRM_OS2FILE";
-                sFormat    = "DRF_DIF";
+                sMechanism = wxT("DRM_OS2FILE");
+                sFormat    = wxT("DRF_DIF");
                 break;
 
             case wxDF_DIB:
-                sMechanism = "DRM_OS2FILE";
-                sFormat    = "DRF_DIB";
+                sMechanism = wxT("DRM_OS2FILE");
+                sFormat    = wxT("DRF_DIB");
                 break;
 
             case wxDF_PALETTE:
@@ -373,13 +375,13 @@ wxDataFormat wxDropTarget::GetSupportedFormat (
             case wxDF_WAVE:
             case wxDF_UNICODETEXT:
             case wxDF_LOCALE:
-                sMechanism = "DRM_OS2FILE";
-                sFormat    = "DRF_UNKNOWN";
+                sMechanism = wxT("DRM_OS2FILE");
+                sFormat    = wxT("DRF_UNKNOWN");
                 break;
 
             case wxDF_PRIVATE:
-                sMechanism = "DRM_OBJECT";
-                sFormat    = "DRF_UNKNOWN";
+                sMechanism = wxT("DRM_OBJECT");
+                sFormat    = wxT("DRF_UNKNOWN");
                 break;
         }
         for (i = 0; i < ulItems; i++)
@@ -387,7 +389,7 @@ wxDataFormat wxDropTarget::GetSupportedFormat (
             pDragItem = ::DrgQueryDragitemPtr(pDataSource, i);
             if (::DrgVerifyRMF(pDragItem, sMechanism.c_str(), sFormat.c_str()))
             {
-                bValid = TRUE;
+                bValid = true;
                 break;
             }
         }
@@ -434,24 +436,19 @@ bool wxDropTarget::OnDrop (
 , wxCoord                           WXUNUSED(y)
 )
 {
-    return TRUE;
+    return true;
 } // end of wxDropTarget::OnDrop
 
 //-------------------------------------------------------------------------
 // wxDropSource
 //-------------------------------------------------------------------------
 
-wxDropSource::wxDropSource (
-  wxWindow*                         pWin
-)
+wxDropSource::wxDropSource ( wxWindow* WXUNUSED(pWin) )
 {
     Init();
 } // end of wxDropSource::wxDropSource
 
-wxDropSource::wxDropSource (
-  wxDataObject&                     rData
-, wxWindow*                         pWin
-)
+wxDropSource::wxDropSource ( wxDataObject& rData, wxWindow* WXUNUSED(pWin) )
 {
     Init();
     SetData(rData);
@@ -525,11 +522,11 @@ bool wxDropSource::GiveFeedback (
             case wxDragError:
                 break;
         }
-        return TRUE;
+        return true;
     }
     else
     {
-        return FALSE;
+        return false;
     }
 } // end of GuiAdvDnd_CDropSource::GiveFeedback
 
@@ -549,13 +546,13 @@ void wxDropSource::Init ()
     m_vDragImage.cxOffset       = 0;
     m_vDragImage.cyOffset       = 0;
 
-    HSTR                            hStrType = ::DrgAddStrHandle(DRT_UNKNOWN);
-    HSTR                            hStrRMF;
-    HSTR                            hStrContainer;
-    char                            zFormats[128];
-    char                            zContainer[128];
-    USHORT                          uSize = GetDataObject()->GetDataSize(GetDataObject()->GetPreferredFormat()) + 1;
-    char*                           pzBuffer = new char[uSize];
+    HSTR    hStrType = ::DrgAddStrHandle(DRT_UNKNOWN);
+    HSTR    hStrRMF;
+    HSTR    hStrContainer;
+    wxChar  zFormats[128];
+    wxChar  zContainer[128];
+    USHORT  uSize = (USHORT)(GetDataObject()->GetDataSize(GetDataObject()->GetPreferredFormat()) + 1);
+    wxChar* pzBuffer = new wxChar[uSize];
 
     memset(pzBuffer, '\0', GetDataObject()->GetDataSize(GetDataObject()->GetPreferredFormat()));
     pzBuffer[GetDataObject()->GetDataSize(GetDataObject()->GetPreferredFormat())] = '\0';
@@ -563,11 +560,11 @@ void wxDropSource::Init ()
                                  ,(void*)pzBuffer
                                 );
 
-    strcpy(zFormats, "<DRM_OS2FILE, DRF_UNKNOWN>");
-    strcpy(zContainer, GetDataObject()->GetPreferredFormat().GetId().c_str());
+    wxStrcpy(zFormats, wxT("<DRM_OS2FILE, DRF_UNKNOWN>"));
+    wxStrcpy(zContainer, GetDataObject()->GetPreferredFormat().GetId());
 
-    hStrRMF       = ::DrgAddStrHandle(zFormats);
-    hStrContainer = ::DrgAddStrHandle(zContainer);
+    hStrRMF       = ::DrgAddStrHandle((PSZ)zFormats);
+    hStrContainer = ::DrgAddStrHandle((PSZ)zContainer);
 
     m_pDragItem = new DRAGITEM[m_ulItems];
     for (ULONG i = 0; i < m_ulItems; i++)
@@ -578,7 +575,7 @@ void wxDropSource::Init ()
         m_pDragItem[i].hstrContainerName = hStrContainer;
         m_pDragItem[i].fsControl         = 0;
         m_pDragItem[i].fsSupportedOps    = DO_COPYABLE | DO_MOVEABLE | DO_LINKABLE;
-        m_pDragItem[i].hstrSourceName    = ::DrgAddStrHandle(pzBuffer);
+        m_pDragItem[i].hstrSourceName    = ::DrgAddStrHandle((PSZ)pzBuffer);
         m_pDragItem[i].hstrTargetName    = m_pDragItem[i].hstrSourceName;
         m_pDragItem[i].ulItemID          = i;
         ::DrgSetDragitem( m_pDragInfo
wxWidgets (Impactor)