X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4b3d29db08422ea814e58822314fae77329dd42f..b871bb951a69addc7799f211f7c597cffbe5a44c:/src/gtk/dataobj.cpp diff --git a/src/gtk/dataobj.cpp b/src/gtk/dataobj.cpp index c7d29816cb..dbe0952d50 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; @@ -51,13 +58,7 @@ wxDataFormat::wxDataFormat( wxDataFormatId type ) SetType( type ); } -wxDataFormat::wxDataFormat( const wxChar *id ) -{ - PrepareFormats(); - SetId( id ); -} - -wxDataFormat::wxDataFormat( const wxString &id ) +void wxDataFormat::InitFromString( const wxString &id ) { PrepareFormats(); SetId( id ); @@ -72,10 +73,21 @@ 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; + else if (m_type == wxDF_TEXT) + m_format = g_altTextAtom; +#else // !wxUSE_UNICODE + // notice that we don't map wxDF_UNICODETEXT to g_textAtom here, this + // would lead the code elsewhere to treat data objects with this format as + // containing UTF-8 data which is not true if (m_type == wxDF_TEXT) m_format = g_textAtom; +#endif // wxUSE_UNICODE/!wxUSE_UNICODE else if (m_type == wxDF_BITMAP) m_format = g_pngAtom; @@ -95,8 +107,8 @@ 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 +117,13 @@ 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) @@ -116,22 +135,35 @@ void wxDataFormat::SetId( NativeFormat format ) m_type = wxDF_PRIVATE; } -void wxDataFormat::SetId( const wxChar *id ) +void wxDataFormat::SetId( const wxString& 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( id.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 transferring 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 +174,26 @@ 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 +205,22 @@ bool wxDataObject::IsSupportedFormat(const wxDataFormat& format, Direction dir) } } +// ---------------------------------------------------------------------------- +// wxTextDataObject +// ---------------------------------------------------------------------------- + +#if wxUSE_UNICODE + +void +wxTextDataObject::GetAllFormats(wxDataFormat *formats, + wxDataObjectBase::Direction WXUNUSED(dir)) const +{ + *formats++ = GetPreferredFormat(); + *formats = g_altTextAtom; +} + +#endif // wxUSE_UNICODE + // ---------------------------------------------------------------------------- // wxFileDataObject // ---------------------------------------------------------------------------- @@ -175,13 +231,14 @@ 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 @@ -190,8 +247,9 @@ 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; @@ -199,13 +257,60 @@ size_t wxFileDataObject::GetDataSize() const bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf) { - /* TODO */ + // we get data in the text/uri-list format, i.e. as a sequence of URIs + // (filenames prefixed by "file:") delimited by "\r\n". size includes + // the trailing zero (in theory, not for Nautilus in early GNOME + // versions). + + m_filenames.Empty(); - wxString file( (const char *)buf ); /* char, not wxChar */ + const gchar *nexttemp = (const gchar*) buf; + for ( ; ; ) + { + int len = 0; + const gchar *temp = nexttemp; + for (;;) + { + if (temp[len] == 0) + { + if (len > 0) + { + // if an app omits '\r''\n' + nexttemp = temp+len; + break; + } + + return true; + } + if (temp[len] == '\r') + { + if (temp[len+1] == '\n') + nexttemp = temp+len+2; + else + nexttemp = temp+len+1; + break; + } + len++; + } + + if (len == 0) + break; + + // required to give it a trailing zero + gchar *uri = g_strndup( temp, len ); - AddFile( file ); + gchar *fn = g_filename_from_uri( uri, NULL, NULL ); + + g_free( uri ); + + if (fn) + { + AddFile( wxConvFileName->cMB2WX( fn ) ); + g_free( fn ); + } + } - return TRUE; + return true; } void wxFileDataObject::AddFile( const wxString &filename ) @@ -250,52 +355,105 @@ 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); +} + +// ---------------------------------------------------------------------------- +// wxURLDataObject +// ---------------------------------------------------------------------------- + +wxURLDataObject::wxURLDataObject(const wxString& url) : + wxDataObjectSimple( wxDataFormat( gdk_atom_intern("text/x-moz-url",FALSE) ) ) +{ + m_url = url; +} + +size_t wxURLDataObject::GetDataSize() const +{ + if (m_url.empty()) + return 0; + + return 2*m_url.Len()+2; +} + +bool wxURLDataObject::GetDataHere(void *buf) const +{ + if (m_url.empty()) + return false; + + wxCSConv conv( "UCS2" ); + conv.FromWChar( (char*) buf, 2*m_url.Len()+2, m_url.wc_str() ); + + return true; +} + + // copy data from buffer to our data +bool wxURLDataObject::SetData(size_t len, const void *buf) +{ + if (len == 0) + { + m_url = wxEmptyString; + return false; + } + + wxCSConv conv( "UCS2" ); + wxWCharBuffer res = conv.cMB2WC( (const char*) buf ); + m_url = res; + int pos = m_url.Find( '\n' ); + if (pos != wxNOT_FOUND) + m_url.Remove( pos, m_url.Len() - pos ); + + return true; } +#endif // wxUSE_DATAOBJ