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wxDataObejct and related changes (won't compile right now)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4089 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-10-21 00:25:42 +00:00
parent df485dc0d0
commit e1ee679c2e
25 changed files with 1093 additions and 1234 deletions
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168
src/gtk/dataobj.cpp
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@@ -19,7 +19,6 @@
#include "gdk/gdk.h"
//-------------------------------------------------------------------------
// global data
//-------------------------------------------------------------------------
@@ -117,11 +116,11 @@ void wxDataFormat::SetId( const wxChar *id )
void wxDataFormat::PrepareFormats()
{
if (!g_textAtom)
if (!g_textAtom)
g_textAtom = gdk_atom_intern( "STRING", FALSE );
if (!g_pngAtom)
if (!g_pngAtom)
g_pngAtom = gdk_atom_intern( "image/png", FALSE );
if (!g_fileAtom)
if (!g_fileAtom)
g_fileAtom = gdk_atom_intern( "file:ALL", FALSE );
}
@@ -162,85 +161,27 @@ bool wxDataObject::IsSupportedFormat(const wxDataFormat& format) const
}
}
// ----------------------------------------------------------------------------
// wxTextDataObject
// ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS( wxTextDataObject, wxDataObject )
wxTextDataObject::wxTextDataObject()
{
}
wxTextDataObject::wxTextDataObject(const wxString& strText)
: m_strText(strText)
{
}
size_t wxTextDataObject::GetDataSize(const wxDataFormat& format) const
{
return m_strText.Len() + 1; // +1 for trailing '\0'of course
}
bool wxTextDataObject::GetDataHere(const wxDataFormat& format, void *buf) const
{
memcpy(buf, m_strText.c_str(), GetDataSize(format));
return TRUE;
}
bool wxTextDataObject::SetData(const wxDataFormat& format, const void *buf)
{
m_strText = (const wxChar *)buf;
return TRUE;
}
// ----------------------------------------------------------------------------
// wxFileDataObject
// ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS( wxFileDataObject, wxDataObject )
wxFileDataObject::wxFileDataObject()
bool wxFileDataObject::GetDataHere(void *buf) const
{
const wxString& filenames = GetFilenames();
memcpy( buf, filenames.mbc_str(), filenames.Len() + 1 );
return TRUE;
}
void wxFileDataObject::AddFile( const wxString &file )
size_t wxFileDataObject::GetDataSize() const
{
m_files += file;
m_files += (wxChar)0;
return GetFilenames().Len() + 1;
}
wxString wxFileDataObject::GetFiles() const
bool wxFileDataObject::SetData(const void *buf)
{
return m_files;
}
SetFilenames((const wxChar *)buf);
bool wxFileDataObject::GetDataHere(const wxDataFormat& format, void *buf) const
{
if (format == wxDF_FILENAME)
{
memcpy( buf, m_files.mbc_str(), m_files.Len() + 1 );
return TRUE;
}
return FALSE;
}
size_t wxFileDataObject::GetDataSize(const wxDataFormat& format) const
{
if (format != wxDF_FILENAME) return 0;
return m_files.Len() + 1;
}
bool wxFileDataObject::SetData(const wxDataFormat& format, const void *buf)
{
if (format != wxDF_FILENAME)
return FALSE;
m_files = (char*)(buf); // this is so ugly, I cannot look at it
return TRUE;
}
@@ -248,96 +189,81 @@ bool wxFileDataObject::SetData(const wxDataFormat& format, const void *buf)
// wxBitmapDataObject
// ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS( wxBitmapDataObject, wxDataObject )
wxBitmapDataObject::wxBitmapDataObject()
{
m_pngData = (void*)NULL;
m_pngSize = 0;
Init();
}
wxBitmapDataObject::wxBitmapDataObject( const wxBitmap& bitmap )
: wxBitmapDataObjectBase(bitmap)
{
m_pngData = (void*)NULL;
m_pngSize = 0;
m_bitmap = bitmap;
Init();
DoConvertToPng();
}
wxBitmapDataObject::~wxBitmapDataObject()
{
if (m_pngData)
delete[] m_pngData;
Clear();
}
void wxBitmapDataObject::SetBitmap( const wxBitmap &bitmap )
{
if (m_pngData)
delete[] m_pngData;
m_pngData = (void*)NULL;
m_pngSize = 0;
m_bitmap = bitmap;
ClearAll();
wxBitmapDataObjectBase::SetBitmap(bitmap);
DoConvertToPng();
}
size_t wxBitmapDataObject::GetDataSize(const wxDataFormat& format) const
bool wxBitmapDataObject::GetDataHere(void *buf) const
{
if (format != wxDF_BITMAP) return 0;
return m_pngSize;
}
bool wxBitmapDataObject::GetDataHere(const wxDataFormat& format, void *buf) const
{
if (format != wxDF_BITMAP) return FALSE;
if (m_pngSize > 0)
if ( !m_pngSize )
{
memcpy(buf, m_pngData, m_pngSize);
return TRUE;
wxFAIL_MSG( wxT("attempt to copy empty bitmap failed") );
return FALSE;
}
return FALSE;
memcpy(buf, m_pngData, m_pngSize);
return TRUE;
}
bool wxBitmapDataObject::SetData(const wxDataFormat& format, const void *buf)
bool wxBitmapDataObject::SetData(size_t size, const void *buf)
{
if (m_pngData) delete[] m_pngData;
m_pngData = (void*) NULL;
m_pngSize = 0;
m_bitmap = wxNullBitmap;
return FALSE;
}
Clear();
void wxBitmapDataObject::SetPngData(const void *buf, size_t size)
{
if (m_pngData) delete[] m_pngData;
m_pngSize = size;
m_pngData = (void*) new char[m_pngSize];
m_pngData = malloc(m_pngSize);
memcpy( m_pngData, buf, m_pngSize );
wxMemoryInputStream mstream( (char*) m_pngData, m_pngSize );
wxImage image;
wxPNGHandler handler;
handler.LoadFile( &image, mstream );
if ( !handler.LoadFile( &image, mstream ) )
{
return FALSE;
}
m_bitmap = image.ConvertToBitmap();
}
void wxBitmapDataObject::DoConvertToPng()
{
if (!m_bitmap.Ok()) return;
if (!m_bitmap.Ok())
return;
wxImage image( m_bitmap );
wxPNGHandler handler;
wxCountingOutputStream count;
handler.SaveFile( &image, count );
m_pngSize = count.GetSize() + 100; // sometimes the size seems to vary ???
m_pngData = (void*) new char[m_pngSize];
m_pngData = malloc(m_pngSize);
wxMemoryOutputStream mstream( (char*) m_pngData, m_pngSize );
handler.SaveFile( &image, mstream );
}