// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "clipbrd.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
#include "wx/clipbrd.h"
#include "wx/utils.h"
#include "wx/log.h"
-#include <glib.h>
-#include <gdk/gdk.h>
-#include <gtk/gtk.h>
+#include "wx/gtk/private.h"
//-----------------------------------------------------------------------------
// thread system
GdkAtom g_clipboardAtom = 0;
GdkAtom g_targetsAtom = 0;
+GdkAtom g_timestampAtom = 0;
+
+#if defined(__WXGTK20__) && wxUSE_UNICODE
+extern GdkAtom g_altTextAtom;
+#endif
// 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,
-#if (GTK_MINOR_VERSION > 0)
guint32 WXUNUSED(time),
-#endif
wxClipboard *clipboard )
{
if ( wxTheClipboard && selection_data->length > 0 )
{
- /* make sure we got the data in the correct form */
+ // make sure we got the data in the correct form
GdkAtom type = selection_data->type;
if ( type != GDK_SELECTION_TYPE_ATOM )
{
- if ( strcmp(gdk_atom_name(type), "TARGETS") )
+ if ( strcmp(wxGtkString(gdk_atom_name(type)), "TARGETS") )
{
wxLogTrace( TRACE_CLIPBOARD,
_T("got unsupported clipboard target") );
wxT("selection received for targets, format %s"),
format.GetId().c_str() );
+// printf( "format %s requested %s\n",
+// gdk_atom_name( atoms[i] ),
+// gdk_atom_name( clipboard->m_targetRequested ) );
+
if (format == clipboard->m_targetRequested)
{
clipboard->m_waiting = FALSE;
clipboard->m_waiting = FALSE;
}
+}
//-----------------------------------------------------------------------------
// "selection_received" for the actual data
//-----------------------------------------------------------------------------
+extern "C" {
static void
selection_received( GtkWidget *WXUNUSED(widget),
GtkSelectionData *selection_data,
-#if (GTK_MINOR_VERSION > 0)
guint32 WXUNUSED(time),
-#endif
wxClipboard *clipboard )
{
if (!wxTheClipboard)
wxDataFormat format( selection_data->target );
- /* make sure we got the data in the correct format */
+ // make sure we got the data in the correct format
if (!data_object->IsSupportedFormat( format ) )
{
clipboard->m_waiting = FALSE;
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)
+ {
+ uint 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(wxGtkString(gdk_atom_name(selection_data->target))).c_str(),
+ wxString::FromAscii(wxGtkString(gdk_atom_name(selection_data->type))).c_str(),
+ wxString::FromAscii(wxGtkString(gdk_atom_name(selection_data->selection))).c_str(),
+ GPOINTER_TO_UINT( signal_data )
+ );
+#endif
+
if (!data->IsSupportedFormat( format )) return;
int size = data->GetDataSize( format );
void *d = malloc(size);
+ // Text data will be in UTF8 in Unicode mode.
data->GetDataHere( selection_data->target, d );
- // transform Unicode text into multibyte before putting it on clipboard
-#if wxUSE_UNICODE
- if ( format.GetType() == wxDF_TEXT )
+ // NB: GTK+ requires special treatment of UTF8_STRING data, the text
+ // would show as UTF-8 data interpreted as latin1 (?) in other
+ // GTK+ apps if we used gtk_selection_data_set()
+ if (format == wxDataFormat(wxDF_UNICODETEXT))
{
- const wchar_t *wstr = (const wchar_t *)d;
- size_t len = wxConvCurrent->WC2MB(NULL, wstr, 0);
- char *str = malloc(len + 1);
- wxConvCurrent->WC2MB(str, wstr, len);
- str[len] = '\0';
-
- free(d);
- d = str;
+ gtk_selection_data_set_text(
+ selection_data,
+ (const gchar*)d,
+ size-1 );
+ }
+ else
+ {
+ gtk_selection_data_set(
+ selection_data,
+ GDK_SELECTION_TYPE_STRING,
+ 8*sizeof(gchar),
+ (unsigned char*) d,
+ size-1 );
}
-#endif // wxUSE_UNICODE
-
- gtk_selection_data_set(
- 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;
m_targetsWidget = gtk_window_new( GTK_WINDOW_POPUP );
gtk_widget_realize( m_targetsWidget );
- gtk_signal_connect( GTK_OBJECT(m_targetsWidget),
- "selection_received",
- GTK_SIGNAL_FUNC( targets_selection_received ),
- (gpointer) this );
+ g_signal_connect (m_targetsWidget, "selection_received",
+ G_CALLBACK (targets_selection_received), this);
/* we use m_clipboardWidget to get and to offer data */
m_clipboardWidget = gtk_window_new( GTK_WINDOW_POPUP );
gtk_widget_realize( m_clipboardWidget );
- gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
- "selection_received",
- GTK_SIGNAL_FUNC( selection_received ),
- (gpointer) this );
+ g_signal_connect (m_clipboardWidget, "selection_received",
+ G_CALLBACK (selection_received), this);
- gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
- "selection_clear_event",
- GTK_SIGNAL_FUNC( selection_clear_clip ),
- (gpointer) NULL );
+ g_signal_connect (m_clipboardWidget, "selection_clear_event",
+ G_CALLBACK (selection_clear_clip), NULL);
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;
/* disable GUI threads */
#endif
- /* As we have data we also own the clipboard. Once we no longer own
- it, clear_selection is called which will set m_data to zero */
+ // As we have data we also own the clipboard. Once we no longer own
+ // it, clear_selection is called which will set m_data to zero
if (gdk_selection_owner_get( g_clipboardAtom ) == m_clipboardWidget->window)
{
m_waiting = TRUE;
wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
- /* we can only store one wxDataObject */
+ // we can only store one wxDataObject
Clear();
m_data = data;
- /* get formats from wxDataObjects */
+ // get formats from wxDataObjects
wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
m_data->GetAllFormats( array );
- /* primary selection or clipboard */
+ // primary selection or clipboard
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",
+// gdk_atom_name( array[i].GetFormatId() ) );
+
gtk_selection_add_target( GTK_WIDGET(m_clipboardWidget),
clipboard,
array[i],
delete[] array;
- gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
- "selection_get",
- GTK_SIGNAL_FUNC(selection_handler),
- (gpointer) NULL );
+ g_signal_connect (m_clipboardWidget, "selection_get",
+ G_CALLBACK (selection_handler),
+ GUINT_TO_POINTER (gtk_get_current_event_time()) );
#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;
+#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
- return TRUE;
+ return m_formatSupported;
}
bool wxClipboard::GetData( wxDataObject& data )
#endif
// wxUSE_CLIPBOARD
-
projects / wxWidgets.git / blobdiff