X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2d68e1b4f42c2c021a2a45bd9ea385153fbcbbf4..dcc36b34be1e1492894a5be7a027d99d3e74ebd9:/src/gtk/dataobj.cpp diff --git a/src/gtk/dataobj.cpp b/src/gtk/dataobj.cpp index fd40e35976..ef24cfe8af 100644 --- 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: $Id$ @@ -7,23 +7,30 @@ // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ - #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/uri.h" -#include "gdk/gdk.h" +#include "wx/gtk/private.h" //------------------------------------------------------------------------- // global data //------------------------------------------------------------------------- GdkAtom g_textAtom = 0; +GdkAtom g_altTextAtom = 0; GdkAtom g_pngAtom = 0; GdkAtom g_fileAtom = 0; @@ -72,10 +79,18 @@ wxDataFormat::wxDataFormat( NativeFormat format ) void wxDataFormat::SetType( wxDataFormatId type ) { PrepareFormats(); + m_type = type; - if (m_type == wxDF_TEXT) +#if wxUSE_UNICODE + if (m_type == wxDF_UNICODETEXT) m_format = g_textAtom; + else if (m_type == wxDF_TEXT) + m_format = g_altTextAtom; +#else + if (m_type == wxDF_TEXT || m_type == wxDF_UNICODETEXT) + m_format = g_textAtom; +#endif else if (m_type == wxDF_BITMAP) m_format = g_pngAtom; @@ -95,8 +110,8 @@ wxDataFormatId wxDataFormat::GetType() const wxString wxDataFormat::GetId() const { - wxString ret( gdk_atom_name( m_format ) ); // this will convert from ascii to Unicode - return ret; + wxGtkString atom_name(gdk_atom_name(m_format)); + return wxString::FromAscii(atom_name); } void wxDataFormat::SetId( NativeFormat format ) @@ -105,6 +120,13 @@ void wxDataFormat::SetId( NativeFormat format ) m_format = format; if (m_format == g_textAtom) +#if wxUSE_UNICODE + m_type = wxDF_UNICODETEXT; +#else + m_type = wxDF_TEXT; +#endif + else + if (m_format == g_altTextAtom) m_type = wxDF_TEXT; else if (m_format == g_pngAtom) @@ -121,17 +143,29 @@ void wxDataFormat::SetId( const wxChar *id ) PrepareFormats(); m_type = wxDF_PRIVATE; wxString tmp( id ); - m_format = gdk_atom_intern( wxMBSTRINGCAST tmp.mbc_str(), FALSE ); // what is the string cast for? + m_format = gdk_atom_intern( (const char*) tmp.ToAscii(), FALSE ); } void wxDataFormat::PrepareFormats() { + // VZ: GNOME included in RedHat 6.1 uses the MIME types below and not the + // atoms STRING and file:ALL as the old code was, but normal X apps + // use STRING for text selection when transfering the data via + // clipboard, for example, so do use STRING for now (GNOME apps will + // probably support STRING as well for compatibility anyhow), but use + // text/uri-list for file dnd because compatibility is not important + // here (with whom?) if (!g_textAtom) - g_textAtom = gdk_atom_intern( "STRING", FALSE ); +#if wxUSE_UNICODE + g_textAtom = gdk_atom_intern( "UTF8_STRING", FALSE ); + g_altTextAtom = gdk_atom_intern( "STRING", FALSE ); +#else + g_textAtom = gdk_atom_intern( "STRING" /* "text/plain" */, FALSE ); +#endif if (!g_pngAtom) g_pngAtom = gdk_atom_intern( "image/png", FALSE ); if (!g_fileAtom) - g_fileAtom = gdk_atom_intern( "file:ALL", FALSE ); + g_fileAtom = gdk_atom_intern( "text/uri-list", FALSE ); } //------------------------------------------------------------------------- @@ -142,18 +176,26 @@ wxDataObject::wxDataObject() { } +wxDataObject::~wxDataObject() +{ + // dtor is empty but needed for Darwin and AIX -- otherwise it doesn't link +} + 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; } @@ -165,6 +207,18 @@ bool wxDataObject::IsSupportedFormat(const wxDataFormat& format, Direction dir) } } +// ---------------------------------------------------------------------------- +// wxTextDataObject +// ---------------------------------------------------------------------------- + +#if defined(__WXGTK20__) && wxUSE_UNICODE +void wxTextDataObject::GetAllFormats(wxDataFormat *formats, wxDataObjectBase::Direction dir) const +{ + *formats++ = GetPreferredFormat(); + *formats = g_altTextAtom; +} +#endif + // ---------------------------------------------------------------------------- // wxFileDataObject // ---------------------------------------------------------------------------- @@ -175,13 +229,14 @@ bool wxFileDataObject::GetDataHere(void *buf) const for (size_t i = 0; i < m_filenames.GetCount(); i++) { + filenames += wxT("file:"); filenames += m_filenames[i]; - filenames += (wxChar) 0; + 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 @@ -190,32 +245,62 @@ size_t wxFileDataObject::GetDataSize() const for (size_t i = 0; i < m_filenames.GetCount(); i++) { - res += m_filenames[i].Len(); - res += 1; + // This is junk in UTF-8 + res += m_filenames[i].length(); + res += 5 + 2; // "file:" (5) + "\r\n" (2) } return res + 1; } -bool wxFileDataObject::SetData(size_t size, const void *buf) +bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf) { - // filenames are stores as a string with #0 as deliminators + m_filenames.Empty(); - const char *filenames = (const char*) buf; - size_t pos = 0; - for(;;) + // 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++ ) { - 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; + // some broken programs (testdnd GTK+ sample!) omit the trailing + // "\r\n", so check for '\0' explicitly here instead of doing it in + // the loop statement to account for it + if ( (*p == '\r' && *(p+1) == '\n') || !*p ) + { + size_t lenPrefix = 5; // strlen("file:") + if ( filename.Left(lenPrefix).MakeLower() == _T("file:") ) + { + // sometimes the syntax is "file:filename", sometimes it's + // URL-like: "file://filename" - deal with both + if ( filename[lenPrefix] == _T('/') && + filename[lenPrefix + 1] == _T('/') ) + { + // skip the slashes + lenPrefix += 2; + } + + AddFile(wxURI::Unescape(filename.c_str() + lenPrefix)); + filename.Empty(); + } + else if ( !filename.empty() ) + { + wxLogDebug(_T("Unsupported URI \"%s\" in wxFileDataObject"), + filename.c_str()); + } + + if ( !*p ) + break; + + // skip '\r' + p++; + } + else + { + filename += *p; + } } - return TRUE; + return true; } void wxFileDataObject::AddFile( const wxString &filename ) @@ -260,52 +345,56 @@ 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) { 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!") ); + m_pngSize = size; m_pngData = malloc(m_pngSize); - memcpy( m_pngData, buf, m_pngSize ); + memcpy(m_pngData, buf, m_pngSize); - wxMemoryInputStream mstream( (char*) m_pngData, m_pngSize ); + wxMemoryInputStream mstream((char*) m_pngData, m_pngSize); wxImage image; - wxPNGHandler handler; - if ( !handler.LoadFile( &image, mstream ) ) + if ( !image.LoadFile( mstream, wxBITMAP_TYPE_PNG ) ) { - return FALSE; + return false; } - m_bitmap = image.ConvertToBitmap(); + m_bitmap = wxBitmap(image); return m_bitmap.Ok(); } void wxBitmapDataObject::DoConvertToPng() { - if (!m_bitmap.Ok()) + if ( !m_bitmap.Ok() ) return; - wxImage image( m_bitmap ); - wxPNGHandler handler; + wxCHECK_RET( wxImage::FindHandler(wxBITMAP_TYPE_PNG) != NULL, + wxT("You must call wxImage::AddHandler(new wxPNGHandler); to be able to use clipboard with bitmaps!") ); + + wxImage image = m_bitmap.ConvertToImage(); wxCountingOutputStream count; - handler.SaveFile( &image, count ); + image.SaveFile(count, wxBITMAP_TYPE_PNG); m_pngSize = count.GetSize() + 100; // sometimes the size seems to vary ??? m_pngData = malloc(m_pngSize); - wxMemoryOutputStream mstream( (char*) m_pngData, m_pngSize ); - handler.SaveFile( &image, mstream ); + wxMemoryOutputStream mstream((char*) m_pngData, m_pngSize); + image.SaveFile(mstream, wxBITMAP_TYPE_PNG); } - +#endif // wxUSE_DATAOBJ