X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/77ffb5937e89927b621128789401db8921fe580f..1de8d512b7c844d67b2dab36addc89868e68c9b6:/src/gtk1/clipbrd.cpp diff --git a/src/gtk1/clipbrd.cpp b/src/gtk1/clipbrd.cpp index 4a918060df..9f06257b3d 100644 --- a/src/gtk1/clipbrd.cpp +++ b/src/gtk1/clipbrd.cpp @@ -4,13 +4,9 @@ // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling -// Licence: wxWidgets licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "clipbrd.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -39,10 +35,7 @@ GdkAtom g_clipboardAtom = 0; GdkAtom g_targetsAtom = 0; - -#if defined(__WXGTK20__) && wxUSE_UNICODE -extern GdkAtom g_altTextAtom; -#endif +GdkAtom g_timestampAtom = 0; // the trace mask we use with wxLogTrace() - call // wxLog::AddTraceMask(TRACE_CLIPBOARD) to enable the trace messages from here @@ -78,6 +71,7 @@ struct _GtkSelectionData // "selection_received" for targets //----------------------------------------------------------------------------- +extern "C" { static void targets_selection_received( GtkWidget *WXUNUSED(widget), GtkSelectionData *selection_data, @@ -90,14 +84,17 @@ targets_selection_received( GtkWidget *WXUNUSED(widget), GdkAtom type = selection_data->type; if ( type != GDK_SELECTION_TYPE_ATOM ) { - if ( strcmp(gdk_atom_name(type), "TARGETS") ) + gchar* atom_name = gdk_atom_name(type); + if ( strcmp(atom_name, "TARGETS") ) { wxLogTrace( TRACE_CLIPBOARD, _T("got unsupported clipboard target") ); clipboard->m_waiting = FALSE; + g_free(atom_name); return; } + g_free(atom_name); } #ifdef __WXDEBUG__ @@ -118,7 +115,7 @@ targets_selection_received( GtkWidget *WXUNUSED(widget), wxT("selection received for targets, format %s"), format.GetId().c_str() ); -// printf( "format %s requested %s\n", +// printf( "format %s requested %s\n", // gdk_atom_name( atoms[i] ), // gdk_atom_name( clipboard->m_targetRequested ) ); @@ -133,11 +130,13 @@ targets_selection_received( GtkWidget *WXUNUSED(widget), clipboard->m_waiting = FALSE; } +} //----------------------------------------------------------------------------- // "selection_received" for the actual data //----------------------------------------------------------------------------- +extern "C" { static void selection_received( GtkWidget *WXUNUSED(widget), GtkSelectionData *selection_data, @@ -189,11 +188,13 @@ selection_received( GtkWidget *WXUNUSED(widget), wxTheClipboard->m_formatSupported = TRUE; clipboard->m_waiting = FALSE; } +} //----------------------------------------------------------------------------- // "selection_clear" //----------------------------------------------------------------------------- +extern "C" { static gint selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event ) { @@ -230,17 +231,19 @@ selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event ) wxTheClipboard->m_waiting = FALSE; return TRUE; } +} //----------------------------------------------------------------------------- // selection handler for supplying data //----------------------------------------------------------------------------- +extern "C" { static void selection_handler( GtkWidget *WXUNUSED(widget), GtkSelectionData *selection_data, guint WXUNUSED(info), guint WXUNUSED(time), - gpointer WXUNUSED(data) ) + gpointer signal_data ) { if (!wxTheClipboard) return; @@ -248,8 +251,37 @@ selection_handler( GtkWidget *WXUNUSED(widget), wxDataObject *data = wxTheClipboard->m_data; + // ICCCM says that TIMESTAMP is a required atom. + // In particular, it satisfies Klipper, which polls + // TIMESTAMP to see if the clipboards content has changed. + // It shall return the time which was used to set the data. + if (selection_data->target == g_timestampAtom) + { + guint timestamp = GPOINTER_TO_UINT (signal_data); + gtk_selection_data_set(selection_data, + GDK_SELECTION_TYPE_INTEGER, + 32, + (guchar*)&(timestamp), + sizeof(timestamp)); + wxLogTrace(TRACE_CLIPBOARD, + _T("Clipboard TIMESTAMP requested, returning timestamp=%u"), + timestamp); + return; + } + wxDataFormat format( selection_data->target ); +#ifdef __WXDEBUG__ + wxLogTrace(TRACE_CLIPBOARD, + _T("clipboard data in format %s, GtkSelectionData is target=%s type=%s selection=%s timestamp=%u"), + format.GetId().c_str(), + wxString::FromAscii(gdk_atom_name(selection_data->target)).c_str(), + wxString::FromAscii(gdk_atom_name(selection_data->type)).c_str(), + wxString::FromAscii(gdk_atom_name(selection_data->selection)).c_str(), + GPOINTER_TO_UINT( signal_data ) + ); +#endif + if (!data->IsSupportedFormat( format )) return; int size = data->GetDataSize( format ); @@ -262,14 +294,15 @@ selection_handler( GtkWidget *WXUNUSED(widget), data->GetDataHere( selection_data->target, d ); gtk_selection_data_set( - selection_data, - GDK_SELECTION_TYPE_STRING, - 8*sizeof(gchar), - (unsigned char*) d, - size ); + selection_data, + GDK_SELECTION_TYPE_STRING, + 8 * sizeof(gchar), + (unsigned char*) d, + size ); free(d); } +} //----------------------------------------------------------------------------- // wxClipboard @@ -315,6 +348,7 @@ wxClipboard::wxClipboard() if (!g_clipboardAtom) g_clipboardAtom = gdk_atom_intern( "CLIPBOARD", FALSE ); if (!g_targetsAtom) g_targetsAtom = gdk_atom_intern ("TARGETS", FALSE); + if (!g_timestampAtom) g_timestampAtom = gdk_atom_intern ("TIMESTAMP", FALSE); m_formatSupported = FALSE; m_targetRequested = 0; @@ -414,6 +448,11 @@ bool wxClipboard::AddData( wxDataObject *data ) GdkAtom clipboard = m_usePrimary ? (GdkAtom)GDK_SELECTION_PRIMARY : g_clipboardAtom; + // by default provide TIMESTAMP as a target + gtk_selection_add_target( GTK_WIDGET(m_clipboardWidget), + clipboard, + g_timestampAtom, + 0 ); for (size_t i = 0; i < m_data->GetFormatCount(); i++) { @@ -421,9 +460,9 @@ bool wxClipboard::AddData( wxDataObject *data ) wxT("wxClipboard now supports atom %s"), array[i].GetId().c_str() ); -// printf( "added %s\n", +// printf( "added %s\n", // gdk_atom_name( array[i].GetFormatId() ) ); - + gtk_selection_add_target( GTK_WIDGET(m_clipboardWidget), clipboard, array[i], @@ -435,7 +474,7 @@ bool wxClipboard::AddData( wxDataObject *data ) gtk_signal_connect( GTK_OBJECT(m_clipboardWidget), "selection_get", GTK_SIGNAL_FUNC(selection_handler), - (gpointer) NULL ); + GUINT_TO_POINTER( gdk_event_get_time(gtk_get_current_event()) ) ); #if wxUSE_THREADS /* disable GUI threads */ @@ -478,11 +517,9 @@ bool wxClipboard::IsSupported( const wxDataFormat& format ) /* store requested format to be asked for by callbacks */ m_targetRequested = format; -#if 0 wxLogTrace( TRACE_CLIPBOARD, wxT("wxClipboard:IsSupported: requested format: %s"), format.GetId().c_str() ); -#endif wxCHECK_MSG( m_targetRequested, FALSE, wxT("invalid clipboard format") ); @@ -506,18 +543,7 @@ bool wxClipboard::IsSupported( const wxDataFormat& format ) while (m_waiting) gtk_main_iteration(); -#if defined(__WXGTK20__) && wxUSE_UNICODE - if (!m_formatSupported && format == wxDataFormat(wxDF_UNICODETEXT)) - { - // Another try with plain STRING format - extern GdkAtom g_altTextAtom; - return IsSupported(g_altTextAtom); - } -#endif - - if (!m_formatSupported) return FALSE; - - return TRUE; + return m_formatSupported; } bool wxClipboard::GetData( wxDataObject& data )