// 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"
GdkAtom g_clipboardAtom = 0;
GdkAtom g_targetsAtom = 0;
+GdkAtom g_timestampAtom = 0;
// the trace mask we use with wxLogTrace() - call
// wxLog::AddTraceMask(TRACE_CLIPBOARD) to enable the trace messages from here
// "selection_received" for targets
//-----------------------------------------------------------------------------
+extern "C" {
static void
targets_selection_received( GtkWidget *WXUNUSED(widget),
GtkSelectionData *selection_data,
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__
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 ) );
clipboard->m_waiting = FALSE;
}
+}
//-----------------------------------------------------------------------------
// "selection_received" for the actual data
//-----------------------------------------------------------------------------
+extern "C" {
static void
selection_received( GtkWidget *WXUNUSED(widget),
GtkSelectionData *selection_data,
return;
}
- /* make sure we got the data in the correct form (selection type).
- if so, copy data to target object */
+#if 0
+ This seems to cause problems somehow
+ // make sure we got the data in the correct form (selection type).
+ // if so, copy data to target object
if (selection_data->type != GDK_SELECTION_TYPE_STRING)
{
clipboard->m_waiting = FALSE;
return;
}
+#endif
data_object->SetData( format, (size_t) selection_data->length, (const char*) selection_data->data );
wxTheClipboard->m_formatSupported = TRUE;
clipboard->m_waiting = FALSE;
}
+}
//-----------------------------------------------------------------------------
// "selection_clear"
//-----------------------------------------------------------------------------
+extern "C" {
static gint
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;
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 );
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
wxClipboard::wxClipboard()
{
m_open = FALSE;
+ m_waiting = FALSE;
m_ownsClipboard = FALSE;
m_ownsPrimarySelection = FALSE;
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;
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++)
{
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],
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 */
/* 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") );
while (m_waiting) gtk_main_iteration();
- if (!m_formatSupported) return FALSE;
-
- return TRUE;
+ return m_formatSupported;
}
bool wxClipboard::GetData( wxDataObject& data )
projects / wxWidgets.git / blobdiff