minimize overlay area to avoid eg scrolling artifacts when using a caret

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

diff --git a/src/gtk/dataobj.cpp b/src/gtk/dataobj.cpp
index 0602e780372db27ec04a1ec7366240485ade5606..ef24cfe8afc6dea778727548f8dcf1a211163f24 100644 (file)
--- a/src/gtk/dataobj.cpp
+++ b/src/gtk/dataobj.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        dataobj.cpp
+// Name:        src/gtk/dataobj.cpp
 // Purpose:     wxDataObject class
 // Author:      Robert Roebling
 // Id:          $Id$
@@ -7,21 +7,23 @@
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "dataobj.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
+#if wxUSE_DATAOBJ
+
 #include "wx/dataobj.h"
-#include "wx/app.h"
-#include "wx/debug.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/app.h"
+    #include "wx/image.h"
+#endif
+
 #include "wx/mstream.h"
-#include "wx/image.h"
-#include "wx/log.h"
+#include "wx/uri.h"
 
-#include <gdk/gdk.h>
+#include "wx/gtk/private.h"
 
 //-------------------------------------------------------------------------
 // global data
@@ -77,9 +79,9 @@ wxDataFormat::wxDataFormat( NativeFormat format )
 void wxDataFormat::SetType( wxDataFormatId type )
 {
     PrepareFormats();
-    
+
     m_type = type;
-    
+
 #if wxUSE_UNICODE
     if (m_type == wxDF_UNICODETEXT)
         m_format = g_textAtom;
@@ -108,8 +110,8 @@ wxDataFormatId wxDataFormat::GetType() const
 
 wxString wxDataFormat::GetId() const
 {
-    wxString ret = wxString::FromAscii( gdk_atom_name( m_format ) );
-    return ret;
+    wxGtkString atom_name(gdk_atom_name(m_format));
+    return wxString::FromAscii(atom_name);
 }
 
 void wxDataFormat::SetId( NativeFormat format )
@@ -141,7 +143,7 @@ void wxDataFormat::SetId( const wxChar *id )
     PrepareFormats();
     m_type = wxDF_PRIVATE;
     wxString tmp( id );
-    m_format = gdk_atom_intern( (const char*) tmp.ToAscii(), FALSE ); 
+    m_format = gdk_atom_intern( (const char*) tmp.ToAscii(), FALSE );
 }
 
 void wxDataFormat::PrepareFormats()
@@ -182,17 +184,17 @@ wxDataObject::~wxDataObject()
 bool wxDataObject::IsSupportedFormat(const wxDataFormat& format, Direction dir) const
 {
     size_t nFormatCount = GetFormatCount(dir);
-    if ( nFormatCount == 1 ) 
+    if ( nFormatCount == 1 )
     {
         return format == GetPreferredFormat();
     }
-    else 
+    else
     {
         wxDataFormat *formats = new wxDataFormat[nFormatCount];
         GetAllFormats(formats,dir);
 
         size_t n;
-        for ( n = 0; n < nFormatCount; n++ ) 
+        for ( n = 0; n < nFormatCount; n++ )
         {
             if ( formats[n] == format )
                 break;
@@ -232,9 +234,9 @@ bool wxFileDataObject::GetDataHere(void *buf) const
         filenames += wxT("\r\n");
     }
 
-    memcpy( buf, filenames.mbc_str(), filenames.Len() + 1 );
+    memcpy( buf, filenames.mbc_str(), filenames.length() + 1 );
 
-    return TRUE;
+    return true;
 }
 
 size_t wxFileDataObject::GetDataSize() const
@@ -244,7 +246,7 @@ size_t wxFileDataObject::GetDataSize() const
     for (size_t i = 0; i < m_filenames.GetCount(); i++)
     {
         // This is junk in UTF-8
-        res += m_filenames[i].Len();
+        res += m_filenames[i].length();
         res += 5 + 2; // "file:" (5) + "\r\n" (2)
     }
 
@@ -253,28 +255,10 @@ size_t wxFileDataObject::GetDataSize() const
 
 bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf)
 {
-    // VZ: old format
-#if 0
-    // filenames are stores as a string with #0 as deliminators
-    const char *filenames = (const char*) buf;
-    size_t pos = 0;
-    for(;;)
-    {
-        if (filenames[0] == 0)
-            break;
-        if (pos >= size)
-            break;
-        wxString file( filenames );  // this returns the first file
-        AddFile( file );
-        pos += file.Len()+1;
-        filenames += file.Len()+1;
-    }
-#else // 1
     m_filenames.Empty();
 
-    // the text/uri-list format is a sequence of URIs (filenames prefixed by
-    // "file:" as far as I see) delimited by "\r\n" of total length size
-    // (I wonder what happens if the file has '\n' in its filename??)
+    // we get data in the text/uri-list format, i.e. as a sequence of URIs
+    // (filenames prefixed by "file:") delimited by "\r\n"
     wxString filename;
     for ( const char *p = (const char *)buf; ; p++ )
     {
@@ -295,12 +279,12 @@ bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf)
                     lenPrefix += 2;
                 }
 
-                AddFile(filename.c_str() + lenPrefix);
+                AddFile(wxURI::Unescape(filename.c_str() + lenPrefix));
                 filename.Empty();
             }
-            else
+            else if ( !filename.empty() )
             {
-                wxLogDebug(_T("Unsupported URI '%s' in wxFileDataObject"),
+                wxLogDebug(_T("Unsupported URI \"%s\" in wxFileDataObject"),
                            filename.c_str());
             }
 
@@ -315,9 +299,8 @@ bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf)
             filename += *p;
         }
     }
-#endif // 0/1
 
-    return TRUE;
+    return true;
 }
 
 void wxFileDataObject::AddFile( const wxString &filename )
@@ -362,12 +345,12 @@ bool wxBitmapDataObject::GetDataHere(void *buf) const
     {
         wxFAIL_MSG( wxT("attempt to copy empty bitmap failed") );
 
-        return FALSE;
+        return false;
     }
 
     memcpy(buf, m_pngData, m_pngSize);
 
-    return TRUE;
+    return true;
 }
 
 bool wxBitmapDataObject::SetData(size_t size, const void *buf)
@@ -375,7 +358,7 @@ bool wxBitmapDataObject::SetData(size_t size, const void *buf)
     Clear();
 
     wxCHECK_MSG( wxImage::FindHandler(wxBITMAP_TYPE_PNG) != NULL,
-                 FALSE, wxT("You must call wxImage::AddHandler(new wxPNGHandler); to be able to use clipboard with bitmaps!") );
+                 false, wxT("You must call wxImage::AddHandler(new wxPNGHandler); to be able to use clipboard with bitmaps!") );
 
     m_pngSize = size;
     m_pngData = malloc(m_pngSize);
@@ -386,7 +369,7 @@ bool wxBitmapDataObject::SetData(size_t size, const void *buf)
     wxImage image;
     if ( !image.LoadFile( mstream, wxBITMAP_TYPE_PNG ) )
     {
-        return FALSE;
+        return false;
     }
 
     m_bitmap = wxBitmap(image);
@@ -414,4 +397,4 @@ void wxBitmapDataObject::DoConvertToPng()
     image.SaveFile(mstream, wxBITMAP_TYPE_PNG);
 }
 
-
+#endif // wxUSE_DATAOBJ