Adding support for item font/style/color customization, unfortunately, it does not...

[wxWidgets.git] / src / msw / clipbrd.cpp

diff --git a/src/msw/clipbrd.cpp b/src/msw/clipbrd.cpp
index 044ef30db20b73567dfa0263df8a8170e25aa648..ee67b677fd694f50b2c6e0ebe782bf4223d27574 100644 (file)
--- a/src/msw/clipbrd.cpp
+++ b/src/msw/clipbrd.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        clipbrd.cpp
+// Name:        src/msw/clipbrd.cpp

 // Purpose:     Clipboard functionality
 // Author:      Julian Smart
 // Modified by:
 // Purpose:     Clipboard functionality
 // Author:      Julian Smart
 // Modified by:


@@ -26,6 +26,8 @@
 
 #if wxUSE_CLIPBOARD
 
 
 #if wxUSE_CLIPBOARD
 

+#include "wx/clipbrd.h"
+

 #ifndef WX_PRECOMP
     #include "wx/object.h"
     #include "wx/event.h"
 #ifndef WX_PRECOMP
     #include "wx/object.h"
     #include "wx/event.h"


@@ -34,14 +36,14 @@
     #include "wx/bitmap.h"
     #include "wx/utils.h"
     #include "wx/intl.h"
     #include "wx/bitmap.h"
     #include "wx/utils.h"
     #include "wx/intl.h"

+    #include "wx/log.h"
+    #include "wx/dataobj.h"

 #endif
 
 #if wxUSE_METAFILE
     #include "wx/metafile.h"
 #endif
 
 #endif
 
 #if wxUSE_METAFILE
     #include "wx/metafile.h"
 #endif
 

-#include "wx/log.h"
-#include "wx/clipbrd.h"

 
 #include <string.h>
 
 
 #include <string.h>
 


@@ -56,10 +58,6 @@
 // the functions using wxDataObject in wxClipboard
 //#define wxUSE_DATAOBJ wxUSE_DRAG_AND_DROP
 
 // the functions using wxDataObject in wxClipboard
 //#define wxUSE_DATAOBJ wxUSE_DRAG_AND_DROP
 

-#if wxUSE_DATAOBJ
-    #include "wx/dataobj.h"
-#endif
-

 #if wxUSE_OLE && !defined(__WXWINCE__)
     // use OLE clipboard
     #define wxUSE_OLE_CLIPBOARD 1
 #if wxUSE_OLE && !defined(__WXWINCE__)
     // use OLE clipboard
     #define wxUSE_OLE_CLIPBOARD 1


@@ -531,13 +529,13 @@ wxClipboard::wxClipboard()
     wxOleInitialize();
 #endif
 
     wxOleInitialize();
 #endif
 

-    m_clearOnExit = false;
+    m_lastDataObject = NULL;

     m_isOpened = false;
 }
 
 wxClipboard::~wxClipboard()
 {
     m_isOpened = false;
 }
 
 wxClipboard::~wxClipboard()
 {

-    if ( m_clearOnExit )
+    if ( m_lastDataObject )

     {
         Clear();
     }
     {
         Clear();
     }


@@ -550,30 +548,44 @@ wxClipboard::~wxClipboard()
 void wxClipboard::Clear()
 {
 #if wxUSE_OLE_CLIPBOARD
 void wxClipboard::Clear()
 {
 #if wxUSE_OLE_CLIPBOARD

-    HRESULT hr = OleSetClipboard(NULL);
+    if (m_lastDataObject)
+    {
+        // don't touch data set by other applications
+        HRESULT hr = OleIsCurrentClipboard(m_lastDataObject);
+        if (S_OK == hr)
+        {
+            hr = OleSetClipboard(NULL);

     if ( FAILED(hr) )
     {
         wxLogApiError(wxT("OleSetClipboard(NULL)"), hr);
     }
     if ( FAILED(hr) )
     {
         wxLogApiError(wxT("OleSetClipboard(NULL)"), hr);
     }

+        }
+        m_lastDataObject = NULL;
+    }

 #endif // wxUSE_OLE_CLIPBOARD
 }
 
 bool wxClipboard::Flush()
 {
 #if wxUSE_OLE_CLIPBOARD
 #endif // wxUSE_OLE_CLIPBOARD
 }
 
 bool wxClipboard::Flush()
 {
 #if wxUSE_OLE_CLIPBOARD

-    HRESULT hr = OleFlushClipboard();
+    if (m_lastDataObject)
+    {
+        // don't touch data set by other applications
+        HRESULT hr = OleIsCurrentClipboard(m_lastDataObject);
+        m_lastDataObject = NULL;
+        if (S_OK == hr)
+        {
+            hr = OleFlushClipboard();

     if ( FAILED(hr) )
     {
         wxLogApiError(wxT("OleFlushClipboard"), hr);
 
         return false;
     }
     if ( FAILED(hr) )
     {
         wxLogApiError(wxT("OleFlushClipboard"), hr);
 
         return false;
     }

-    else
-    {
-        m_clearOnExit = false;
-

         return true;
     }
         return true;
     }

+    }
+    return false;

 #else // !wxUSE_OLE_CLIPBOARD
     return false;
 #endif // wxUSE_OLE_CLIPBOARD/!wxUSE_OLE_CLIPBOARD
 #else // !wxUSE_OLE_CLIPBOARD
     return false;
 #endif // wxUSE_OLE_CLIPBOARD/!wxUSE_OLE_CLIPBOARD


@@ -626,6 +638,12 @@ bool wxClipboard::AddData( wxDataObject *data )
         return false;
     }
 
         return false;
     }
 

+    // we have to call either OleSetClipboard(NULL) or OleFlushClipboard() when
+    // using OLE clipboard when the app terminates - by default, we call
+    // OleSetClipboard(NULL) which won't waste RAM, but the app can call
+    // wxClipboard::Flush() to change this
+    m_lastDataObject = data->GetInterface();
+

     // we have a problem here because we should delete wxDataObject, but we
     // can't do it because IDataObject which we just gave to the clipboard
     // would try to use it when it will need the data. IDataObject is ref
     // we have a problem here because we should delete wxDataObject, but we
     // can't do it because IDataObject which we just gave to the clipboard
     // would try to use it when it will need the data. IDataObject is ref


@@ -633,12 +651,6 @@ bool wxClipboard::AddData( wxDataObject *data )
     // and tell it to delete wxDataObject when it is deleted itself.
     data->SetAutoDelete();
 
     // and tell it to delete wxDataObject when it is deleted itself.
     data->SetAutoDelete();
 

-    // we have to call either OleSetClipboard(NULL) or OleFlushClipboard() when
-    // using OLE clipboard when the app terminates - by default, we call
-    // OleSetClipboard(NULL) which won't waste RAM, but the app can call
-    // wxClipboard::Flush() to chaneg this
-    m_clearOnExit = true;
-

     return true;
 #elif wxUSE_DATAOBJ
     wxCHECK_MSG( wxIsClipboardOpened(), false, wxT("clipboard not open") );
     return true;
 #elif wxUSE_DATAOBJ
     wxCHECK_MSG( wxIsClipboardOpened(), false, wxT("clipboard not open") );


@@ -917,4 +929,3 @@ bool wxClipboard::GetData( wxDataObject& data )
 }
 
 #endif // wxUSE_CLIPBOARD
 }
 
 #endif // wxUSE_CLIPBOARD

-