Crash fix under VC++

[wxWidgets.git] / src / motif / dataobj.cpp

diff --git a/src/motif/dataobj.cpp b/src/motif/dataobj.cpp
index de8ab39666a4a7d92b88b81de4037df7f73679d6..fc9896cda829f242d6cdf0288a216052c5f725a8 100644 (file)
--- a/src/motif/dataobj.cpp
+++ b/src/motif/dataobj.cpp
@@ -7,25 +7,38 @@
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "dataobj.h"
 #endif
 
 #pragma implementation "dataobj.h"
 #endif
 

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

 #include "wx/defs.h"
 
 #if wxUSE_CLIPBOARD
 
 #include "wx/dataobj.h"
 #include "wx/app.h"
 #include "wx/defs.h"
 
 #if wxUSE_CLIPBOARD
 
 #include "wx/dataobj.h"
 #include "wx/app.h"

+#include "wx/utils.h"

 
 

+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif

 #include <Xm/Xm.h>
 #include <Xm/Xm.h>

-#include "wx/utils.h"
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
+
+#include "wx/motif/private.h"

 
 //-------------------------------------------------------------------------
 // global data
 //-------------------------------------------------------------------------
 
 
 //-------------------------------------------------------------------------
 // global data
 //-------------------------------------------------------------------------
 

-Atom  g_textAtom = 0;
+Atom  g_textAtom        = 0;
+Atom  g_bitmapAtom      = 0;
+Atom  g_fileAtom        = 0;

 
 //-------------------------------------------------------------------------
 // wxDataFormat
 
 //-------------------------------------------------------------------------
 // wxDataFormat


@@ -33,186 +46,148 @@ Atom  g_textAtom = 0;
 
 wxDataFormat::wxDataFormat()
 {
 
 wxDataFormat::wxDataFormat()
 {

+    // do *not* call PrepareFormats() from here for 2 reasons:
+    //
+    // 1. we will have time to do it later because some other Set function
+    //    must be called before we really need them
+    //
+    // 2. doing so prevents us from declaring global wxDataFormats because
+    //    calling PrepareFormats (and thus gdk_atom_intern) before GDK is
+    //    initialised will result in a crash

     m_type = wxDF_INVALID;
     m_type = wxDF_INVALID;

-    m_hasAtom = FALSE;
-    m_atom = (Atom) 0;
+    m_format = (Atom) 0;

 }
 
 wxDataFormat::wxDataFormat( wxDataFormatId type )
 {
 }
 
 wxDataFormat::wxDataFormat( wxDataFormatId type )
 {

-    if (!g_textAtom) g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE );
+    PrepareFormats();

     SetType( type );
 }
 
 wxDataFormat::wxDataFormat( const wxChar *id )
 {
     SetType( type );
 }
 
 wxDataFormat::wxDataFormat( const wxChar *id )
 {

-    if (!g_textAtom) g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE );
+    PrepareFormats();

     SetId( id );
 }
 
 wxDataFormat::wxDataFormat( const wxString &id )
 {
     SetId( id );
 }
 
 wxDataFormat::wxDataFormat( const wxString &id )
 {

-    if (!g_textAtom) g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE );
+    PrepareFormats();

     SetId( id );
 }
 
     SetId( id );
 }
 

-wxDataFormat::wxDataFormat( const wxDataFormat &format )
-{
-    if (!g_textAtom) g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE );
-    m_type = format.GetType();
-    m_id = format.GetId();
-    m_hasAtom = TRUE;
-    m_atom = ((wxDataFormat &)format).GetAtom();    // const_cast
-}
-
-wxDataFormat::wxDataFormat( const Atom atom )
+wxDataFormat::wxDataFormat( NativeFormat format )

 {
 {

-    if (!g_textAtom) g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE );
-    m_hasAtom = TRUE;
-
-    m_atom = atom;
-
-    if (m_atom == g_textAtom)
-    {
-        m_type = wxDF_TEXT;
-    } else
-/*
-    if (m_atom == GDK_TARGET_BITMAP)
-    {
-        m_type = wxDF_BITMAP;
-    } else
-*/
-    {
-        m_type = wxDF_PRIVATE;
-       m_id = XGetAtomName( (Display*) wxGetDisplay(),  m_atom );
-
-       if (m_id == wxT("file:ALL"))
-       {
-           m_type = wxDF_FILENAME;
-       }
-    }
+    PrepareFormats();
+    SetId( format );

 }
 
 void wxDataFormat::SetType( wxDataFormatId type )
 {
 }
 
 void wxDataFormat::SetType( wxDataFormatId type )
 {

+    PrepareFormats();

     m_type = type;
 
     if (m_type == wxDF_TEXT)
     m_type = type;
 
     if (m_type == wxDF_TEXT)

-    {
-        m_id = wxT("STRING");
-    }
+        m_format = g_textAtom;

     else
     if (m_type == wxDF_BITMAP)
     else
     if (m_type == wxDF_BITMAP)

-    {
-        m_id = wxT("BITMAP");
-    }
+        m_format = g_bitmapAtom;

     else
     if (m_type == wxDF_FILENAME)
     else
     if (m_type == wxDF_FILENAME)

-    {
-        m_id = wxT("file:ALL");
-    }
+        m_format = g_fileAtom;

     else
     {
        wxFAIL_MSG( wxT("invalid dataformat") );
     }
     else
     {
        wxFAIL_MSG( wxT("invalid dataformat") );
     }

+}

 
 

-    m_hasAtom = FALSE;
+wxDataFormatId wxDataFormat::GetType() const
+{
+    return m_type;

 }
 
 }
 

-void wxDataFormat::SetId( const wxChar *id )
+wxString wxDataFormat::GetId() const

 {
 {

-    m_type = wxDF_PRIVATE;
-    m_id = id;
-    m_hasAtom = FALSE;
+    char *t = XGetAtomName ((Display*) wxGetDisplay(), m_format);
+    wxString ret( t );  // this will convert from ascii to Unicode
+    if (t) 
+        XFree( t );
+    return ret;

 }
 
 }
 

-Atom wxDataFormat::GetAtom()
+void wxDataFormat::SetId( NativeFormat format )

 {
 {

-    if (!m_hasAtom)
-    {
-        m_hasAtom = TRUE;
-
-       if (m_type == wxDF_TEXT)
-       {
-            m_atom = g_textAtom;
-        }
-       else
-/*
-        if (m_type == wxDF_BITMAP)
-        {
-            m_atom = GDK_TARGET_BITMAP;
-        }
-       else
-*/
-        if (m_type == wxDF_PRIVATE)
-        {
-            m_atom = XInternAtom( (Display*) wxGetDisplay(), wxMBSTRINGCAST m_id.mbc_str(), FALSE );
-        }
-       else
-       if (m_type == wxDF_FILENAME)
-       {
-           m_atom = XInternAtom( (Display*) wxGetDisplay(), "file:ALL", FALSE );
-       }
-       else
-       {
-           m_hasAtom = FALSE;
-           m_atom = (Atom) 0;
-       }
-    }
+    PrepareFormats();
+    m_format = format;
+
+    if (m_format == g_textAtom)
+        m_type = wxDF_TEXT;
+    else
+    if (m_format == g_bitmapAtom)
+        m_type = wxDF_BITMAP;
+    else
+    if (m_format == g_fileAtom)
+        m_type = wxDF_FILENAME;
+    else
+        m_type = wxDF_PRIVATE;
+}

 
 

-    return m_atom;
+void wxDataFormat::SetId( const wxChar *id )
+{
+    PrepareFormats();
+    m_type = wxDF_PRIVATE;
+    wxString tmp( id );
+    m_format = XInternAtom( wxGlobalDisplay(),
+                            tmp.mbc_str(), FALSE );

 }
 
 }
 

-#if 0
+void wxDataFormat::PrepareFormats()
+{
+    if (!g_textAtom)
+        g_textAtom = XInternAtom( wxGlobalDisplay(), "STRING", FALSE );
+    if (!g_bitmapAtom)
+        g_bitmapAtom = XInternAtom( wxGlobalDisplay(), "PIXMAP", FALSE );
+    if (!g_fileAtom)
+        g_fileAtom = XInternAtom( wxGlobalDisplay(), "file:ALL", FALSE );
+}

 
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------

-// wxPrivateDataObject
+// wxDataObject

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS( wxPrivateDataObject, wxDataObject )
-
-void wxPrivateDataObject::Free()
+wxDataObject::~wxDataObject()

 {
 {

-    if ( m_data )
-        free(m_data);

 }
 
 }
 

-wxPrivateDataObject::wxPrivateDataObject()
-{
-    wxString id = wxT("application/");
-    id += wxTheApp->GetAppName();
-
-    m_format.SetId( id );
+// ----------------------------------------------------------------------------
+// wxBitmapDataObject
+// ----------------------------------------------------------------------------

 
 

-    m_size = 0;
-    m_data = (void *)NULL;
+size_t wxBitmapDataObject::GetDataSize() const
+{
+    return sizeof(Pixmap);

 }
 
 }
 

-void wxPrivateDataObject::SetData( const void *data, size_t size )
+bool wxBitmapDataObject::GetDataHere(void* buf) const

 {
 {

-    Free();
+    if( !GetBitmap().Ok() )
+        return false;

 
 

-    m_size = size;
-    m_data = malloc(size);
+    (*(Pixmap*)buf) = (Pixmap)GetBitmap().GetDrawable();

 
 

-    memcpy( m_data, data, size );
+    return true;

 }
 
 }
 

-void wxPrivateDataObject::WriteData( void *dest ) const
+bool wxBitmapDataObject::SetData(size_t len, const void* buf)

 {
 {

-    WriteData( m_data, dest );
-}
+    if( len != sizeof(Pixmap) )
+        return false;

 
 

-size_t wxPrivateDataObject::GetSize() const
-{
-    return m_size;
-}
+    WXPixmap pixmap = (WXPixmap)*(Pixmap*)buf;

 
 

-void wxPrivateDataObject::WriteData( const void *data, void *dest ) const
-{
-    memcpy( dest, data, GetSize() );
-}
+    m_bitmap.Create( pixmap );

 
 

-#endif // 0
+    return true;
+}

 
 #endif // wxUSE_CLIPBOARD
 
 #endif // wxUSE_CLIPBOARD