#include "wx/clipbrd.h"
+#if wxUSE_CLIPBOARD
+
+#include "glib.h"
+#include "gdk/gdk.h"
+#include "gtk/gtk.h"
+
//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------
// make sure we got the data in the correct format
- if (data_object->m_formatAtom != selection_data->target) return;
+ if (data_object->GetFormat().GetAtom() != selection_data->target) return;
// make sure we got the data in the correct form (selection type).
// if so, copy data to target object
- switch (data_object->GetFormat())
+ switch (data_object->GetFormat().GetType())
{
case wxDF_TEXT:
{
//-----------------------------------------------------------------------------
static gint
-selection_clear( GtkWidget *WXUNUSED(widget), GdkEventSelection *WXUNUSED(event) )
+selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event )
{
if (!wxTheClipboard) return TRUE;
- // the clipboard is no longer in our hands. we have to delete the
- // clipboard data.
+ if (event->selection == GDK_SELECTION_PRIMARY)
+ {
+ wxTheClipboard->m_ownsPrimarySelection = FALSE;
+ }
+ else
+ if (event->selection == g_clipboardAtom)
+ {
+ wxTheClipboard->m_ownsClipboard = FALSE;
+ }
+ else
+ {
+ return FALSE;
+ }
- wxTheClipboard->m_dataObjects.Clear();
+ if ((!wxTheClipboard->m_ownsPrimarySelection) &&
+ (!wxTheClipboard->m_ownsClipboard))
+ {
+ /* the clipboard is no longer in our hands. we can the clipboard data. */
+
+ if (wxTheClipboard->m_dataBroker)
+ {
+ delete wxTheClipboard->m_dataBroker;
+ wxTheClipboard->m_dataBroker = (wxDataBroker*) NULL;
+ }
+ }
return TRUE;
}
{
if (!wxTheClipboard) return;
- wxNode *node = wxTheClipboard->m_dataObjects.First();
+ if (!wxTheClipboard->m_dataBroker) return;
+
+ wxNode *node = wxTheClipboard->m_dataBroker->m_dataObjects.First();
while (node)
{
wxDataObject *data_object = (wxDataObject *)node->Data();
- if (data_object->m_formatAtom != selection_data->target)
+ if (data_object->GetFormat().GetAtom() != selection_data->target)
{
node = node->Next();
break;
}
- switch (data_object->GetFormat())
+ switch (data_object->GetFormat().GetType())
{
case wxDF_TEXT:
{
{
wxPrivateDataObject *private_object = (wxPrivateDataObject*) data_object;
- if (private_object->GetDataSize() == 0) return;
+ if (private_object->GetSize() == 0) return;
gtk_selection_data_set(
selection_data,
GDK_SELECTION_TYPE_STRING,
8*sizeof(gchar),
(unsigned char*) private_object->GetData(),
- (int) private_object->GetDataSize() );
+ (int) private_object->GetSize() );
}
default:
{
m_open = FALSE;
- m_dataObjects.DeleteContents( TRUE );
+ m_ownsClipboard = FALSE;
+ m_ownsPrimarySelection = FALSE;
+
+ m_dataBroker = (wxDataBroker*) NULL;
m_receivedData = (wxDataObject*) NULL;
gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
"selection_clear_event",
- GTK_SIGNAL_FUNC( selection_clear ),
+ GTK_SIGNAL_FUNC( selection_clear_clip ),
(gpointer) NULL );
if (!g_clipboardAtom) g_clipboardAtom = gdk_atom_intern( "CLIPBOARD", FALSE );
void wxClipboard::Clear()
{
- if (m_dataObjects.GetCount())
+ if (m_dataBroker)
{
/* 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)
+ if (gdk_selection_owner_get( g_clipboardAtom ) == m_clipboardWidget->window)
{
gtk_selection_owner_set( (GtkWidget*) NULL, g_clipboardAtom, GDK_CURRENT_TIME );
}
- m_dataObjects.Clear();
+ if (gdk_selection_owner_get( GDK_SELECTION_PRIMARY ) == m_clipboardWidget->window)
+ {
+ gtk_selection_owner_set( (GtkWidget*) NULL, GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME );
+ }
+
+ if (m_dataBroker)
+ {
+ delete m_dataBroker;
+ m_dataBroker = (wxDataBroker*) NULL;
+ }
}
m_targetRequested = 0;
return TRUE;
}
-bool wxClipboard::SetData( wxDataObject *data )
+bool wxClipboard::SetData( wxDataBroker *data )
{
wxCHECK_MSG( data, FALSE, "data is invalid" );
- wxNode *node = m_dataObjects.First();
-
- while (node)
- {
- wxDataObject *d = (wxDataObject*)node->Data();
-
- if (d->GetFormat() == data->GetFormat())
- {
- m_dataObjects.DeleteNode( node );
-
- break;
- }
-
- node = node->Next();
- }
+ Clear();
+
+ m_dataBroker = data;
- m_dataObjects.Append( data );
+ if (!m_dataBroker) return FALSE;
wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
- if (data->GetFormat() == wxDF_PRIVATE)
+ wxNode *node = m_dataBroker->m_dataObjects.First();
+ while (node)
{
- wxPrivateDataObject* pd = (wxPrivateDataObject*) data;
+ wxDataObject *dobj = (wxDataObject*)node->Data();
- wxCHECK_MSG( !pd->GetId().IsEmpty(), FALSE, "private clipboard format requires ID string" );
+ GdkAtom format = dobj->GetFormat().GetAtom();
- data->m_formatAtom = GetTargetAtom( data->GetFormat(), pd->GetId() );
- }
- else
- {
- data->m_formatAtom = GetTargetAtom( data->GetFormat() );
- }
+ if (format != (GdkAtom) 0)
+ {
+ /* This should happen automatically */
- // Add handlers if someone requests data
+ m_ownsClipboard = FALSE;
+ m_ownsPrimarySelection = FALSE;
+
+ /* Add handlers if someone requests data */
- gtk_selection_add_handler( m_clipboardWidget,
+ gtk_selection_add_handler( m_clipboardWidget,
g_clipboardAtom,
- data->m_formatAtom,
+ format,
+ selection_handler,
+ (gpointer) NULL );
+
+ gtk_selection_add_handler( m_clipboardWidget,
+ GDK_SELECTION_PRIMARY,
+ format,
selection_handler,
- NULL );
+ (gpointer) NULL );
- // Tell the world we offer clipboard data
+ /* Tell the world we offer clipboard data */
- if (!gtk_selection_owner_set( m_clipboardWidget,
+ if (!gtk_selection_owner_set( m_clipboardWidget,
g_clipboardAtom,
GDK_CURRENT_TIME ))
- {
- return FALSE;
+ {
+ return FALSE;
+ }
+ m_ownsClipboard = TRUE;
+
+ if (!gtk_selection_owner_set( m_clipboardWidget,
+ GDK_SELECTION_PRIMARY,
+ GDK_CURRENT_TIME ))
+ {
+ return FALSE;
+ }
+ m_ownsPrimarySelection = TRUE;
+ }
+
+ node = node->Next();
}
return TRUE;
m_open = FALSE;
}
-bool wxClipboard::IsSupportedFormat( wxDataFormat format, const wxString &id )
+bool wxClipboard::GetData( wxDataObject *data )
{
- m_targetRequested = GetTargetAtom( format, id );
+ wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
+
+ m_receivedData = data;
+
+ wxCHECK_MSG( m_receivedData, FALSE, "invalid data object" );
+
+ /* STEP ONE: check if there is such data in the clipboard */
+
+ m_targetRequested = data->GetFormat().GetAtom();
+ wxCHECK_MSG( m_targetRequested, FALSE, "invalid clipboard format" );
+
if (m_targetRequested == 0) return FALSE;
- // add handler for target (= format) query
+ /* add handler for target (= format) query */
gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
"selection_received",
m_formatSupported = FALSE;
- // perform query. this will set m_formatSupported to
- // TRUE if m_targetRequested is supported
+ /* perform query. this will set m_formatSupported to
+ * TRUE if m_targetRequested is supported */
gtk_selection_convert( m_clipboardWidget,
g_clipboardAtom,
if (!m_formatSupported) return FALSE;
- return TRUE;
-}
-
-bool wxClipboard::GetData( wxDataObject *data )
-{
- wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
+ /* STEP TWO: get the data from the clipboard */
- m_receivedData = data;
-
- wxCHECK_MSG( m_receivedData, FALSE, "invalid data object" );
-
- if (m_receivedData->GetFormat() == wxDF_PRIVATE)
- {
- wxPrivateDataObject* pd = (wxPrivateDataObject*) m_receivedData;
-
- wxCHECK_MSG( !pd->GetId().IsEmpty(), FALSE, "private clipboard format requires ID string" );
-
- m_targetRequested = GetTargetAtom( m_receivedData->GetFormat(), pd->GetId() );
- }
- else
- {
- m_targetRequested = GetTargetAtom( m_receivedData->GetFormat() );
- }
-
- data->m_formatAtom = m_targetRequested;
-
- wxCHECK_MSG( m_targetRequested, FALSE, "unsupported clipboard format" );
-
m_formatSupported = FALSE;
gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
GTK_SIGNAL_FUNC( selection_received ),
(gpointer) this );
+ /* this is a true error as we checked for the presence of such data before */
+
wxCHECK_MSG( m_formatSupported, FALSE, "error retrieving data from clipboard" );
return TRUE;
}
-GdkAtom wxClipboard::GetTargetAtom( wxDataFormat format, const wxString &id )
-{
- // What is X representation of that format?
-
- switch (format)
- {
- case wxDF_TEXT:
- {
- return GDK_TARGET_STRING;
- // g_textAtom
- }
-
- case wxDF_BITMAP:
- {
- return GDK_TARGET_BITMAP;
- break;
- }
-
- case wxDF_PRIVATE:
- {
- // we create our own X representation
-
- return gdk_atom_intern( WXSTRINGCAST( id ), FALSE );
- }
-
- default:
- {
- return (GdkAtom) 0;
- }
- }
-
- return (GdkAtom) 0;
-}
-
//-----------------------------------------------------------------------------
// wxClipboardModule
//-----------------------------------------------------------------------------
if (wxTheClipboard) delete wxTheClipboard;
wxTheClipboard = (wxClipboard*) NULL;
}
+
+#endif
+
+ // wxUSE_CLIPBOARD
+
projects / wxWidgets.git / blobdiff