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gdk: Remove gdk_selection_add_targets()

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It's not needed anymore, now that we can look at the content provider's
formats.

Alose remove all the API in GTK that was used to set it.
This commit is contained in:
Benjamin Otte 2017-12-13 19:27:51 +01:00
parent 65eab87238
commit b66052f3ce
20 changed files with 0 additions and 339 deletions
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3
docs/reference/gtk/gtk4-sections.txt
View File

@ -5187,9 +5187,6 @@ gtk_css_section_get_type
GtkSelectionData GtkSelectionData
gtk_selection_owner_set gtk_selection_owner_set
gtk_selection_owner_set_for_display gtk_selection_owner_set_for_display
gtk_selection_add_target
gtk_selection_add_targets
gtk_selection_clear_targets
gtk_selection_convert gtk_selection_convert
gtk_selection_data_set gtk_selection_data_set
gtk_selection_data_set_text gtk_selection_data_set_text

2
gdk/broadway/gdkdisplay-broadway.c
View File

@ -577,8 +577,6 @@ gdk_broadway_display_class_init (GdkBroadwayDisplayClass * class)
display_class->set_selection_owner = _gdk_broadway_display_set_selection_owner; display_class->set_selection_owner = _gdk_broadway_display_set_selection_owner;
display_class->send_selection_notify = _gdk_broadway_display_send_selection_notify; display_class->send_selection_notify = _gdk_broadway_display_send_selection_notify;
display_class->get_selection_property = _gdk_broadway_display_get_selection_property; display_class->get_selection_property = _gdk_broadway_display_get_selection_property;
display_class->clear_selection_targets = gdk_broadway_display_clear_selection_targets;
display_class->add_selection_targets = gdk_broadway_display_add_selection_targets;
display_class->convert_selection = _gdk_broadway_display_convert_selection; display_class->convert_selection = _gdk_broadway_display_convert_selection;
display_class->text_property_to_utf8_list = _gdk_broadway_display_text_property_to_utf8_list; display_class->text_property_to_utf8_list = _gdk_broadway_display_text_property_to_utf8_list;
display_class->utf8_to_string_target = _gdk_broadway_display_utf8_to_string_target; display_class->utf8_to_string_target = _gdk_broadway_display_utf8_to_string_target;

7
gdk/broadway/gdkprivate-broadway.h
View File

@ -136,13 +136,6 @@ gint _gdk_broadway_display_get_selection_property (GdkDisplay *display,
guchar **data, guchar **data,
GdkAtom *ret_type, GdkAtom *ret_type,
gint *ret_format); gint *ret_format);
void gdk_broadway_display_clear_selection_targets (GdkDisplay *display,
GdkAtom selection);
void gdk_broadway_display_add_selection_targets (GdkDisplay *display,
GdkWindow *window,
GdkAtom selection,
GdkAtom *targets,
guint ntargets);
void _gdk_broadway_display_send_selection_notify (GdkDisplay *display, void _gdk_broadway_display_send_selection_notify (GdkDisplay *display,
GdkWindow *requestor, GdkWindow *requestor,
GdkAtom selection, GdkAtom selection,

15
gdk/broadway/gdkselection-broadway.c
View File

@ -157,21 +157,6 @@ _gdk_broadway_display_get_selection_property (GdkDisplay *display,
return 0; return 0;
} }
void
gdk_broadway_display_clear_selection_targets (GdkDisplay *display,
GdkAtom selection)
{
}
void
gdk_broadway_display_add_selection_targets (GdkDisplay *display,
GdkWindow *window,
GdkAtom selection,
GdkAtom *targets,
guint ntargets)
{
}
void void
_gdk_broadway_display_send_selection_notify (GdkDisplay *display, _gdk_broadway_display_send_selection_notify (GdkDisplay *display,
GdkWindow *requestor, GdkWindow *requestor,

7
gdk/gdkdisplayprivate.h
View File

@ -185,13 +185,6 @@ struct _GdkDisplayClass
guchar **data, guchar **data,
GdkAtom *type, GdkAtom *type,
gint *format); gint *format);
void (*clear_selection_targets)(GdkDisplay *display,
GdkAtom selection);
void (*add_selection_targets) (GdkDisplay *display,
GdkWindow *window,
GdkAtom selection,
GdkAtom *targets,
guint ntargets);
void (*convert_selection) (GdkDisplay *display, void (*convert_selection) (GdkDisplay *display,
GdkWindow *requestor, GdkWindow *requestor,
GdkAtom selection, GdkAtom selection,

20
gdk/gdkselection.c
View File

@ -330,23 +330,3 @@ gdk_utf8_to_string_target (const gchar *str)
return GDK_DISPLAY_GET_CLASS (display)->utf8_to_string_target (display, str); return GDK_DISPLAY_GET_CLASS (display)->utf8_to_string_target (display, str);
} }
void
gdk_selection_clear_targets (GdkDisplay *display,
GdkAtom selection)
{
}
void
gdk_selection_add_targets (GdkWindow *window,
GdkAtom selection,
GdkAtom *targets,
guint n_targets)
{
GdkDisplay *display;
g_return_if_fail (GDK_IS_WINDOW (window));
display = gdk_window_get_display (window);
GDK_DISPLAY_GET_CLASS (display)->add_selection_targets (display, window, selection, targets, n_targets);
}

10
gdk/gdkselection.h
View File

@ -209,16 +209,6 @@ void gdk_selection_send_notify_for_display (GdkDisplay *display,
GdkAtom property, GdkAtom property,
guint32 time_); guint32 time_);
GDK_AVAILABLE_IN_3_94
void gdk_selection_clear_targets (GdkDisplay *display,
GdkAtom selection);
GDK_AVAILABLE_IN_3_94
void gdk_selection_add_targets (GdkWindow *window,
GdkAtom selection,
GdkAtom *targets,
guint n_targets);
G_END_DECLS G_END_DECLS
#endif /* __GDK_SELECTION_H__ */ #endif /* __GDK_SELECTION_H__ */

2
gdk/quartz/gdkdisplay-quartz.c
View File

@ -279,8 +279,6 @@ gdk_quartz_display_class_init (GdkQuartzDisplayClass *class)
display_class->get_selection_owner = _gdk_quartz_display_get_selection_owner; display_class->get_selection_owner = _gdk_quartz_display_get_selection_owner;
display_class->set_selection_owner = _gdk_quartz_display_set_selection_owner; display_class->set_selection_owner = _gdk_quartz_display_set_selection_owner;
display_class->get_selection_property = _gdk_quartz_display_get_selection_property; display_class->get_selection_property = _gdk_quartz_display_get_selection_property;
display_class->clear_selection_targets = gdk_quartz_display_clear_selection_targets;
display_class->add_selection_targets = gdk_quartz_display_add_selection_targets;
display_class->convert_selection = _gdk_quartz_display_convert_selection; display_class->convert_selection = _gdk_quartz_display_convert_selection;
display_class->text_property_to_utf8_list = _gdk_quartz_display_text_property_to_utf8_list; display_class->text_property_to_utf8_list = _gdk_quartz_display_text_property_to_utf8_list;
display_class->utf8_to_string_target = _gdk_quartz_display_utf8_to_string_target; display_class->utf8_to_string_target = _gdk_quartz_display_utf8_to_string_target;

2
gdk/wayland/gdkdisplay-wayland.c
View File

@ -1023,8 +1023,6 @@ gdk_wayland_display_class_init (GdkWaylandDisplayClass *class)
display_class->set_selection_owner = _gdk_wayland_display_set_selection_owner; display_class->set_selection_owner = _gdk_wayland_display_set_selection_owner;
display_class->send_selection_notify = _gdk_wayland_display_send_selection_notify; display_class->send_selection_notify = _gdk_wayland_display_send_selection_notify;
display_class->get_selection_property = _gdk_wayland_display_get_selection_property; display_class->get_selection_property = _gdk_wayland_display_get_selection_property;
display_class->clear_selection_targets = gdk_wayland_display_clear_selection_targets;
display_class->add_selection_targets = gdk_wayland_display_add_selection_targets;
display_class->convert_selection = _gdk_wayland_display_convert_selection; display_class->convert_selection = _gdk_wayland_display_convert_selection;
display_class->text_property_to_utf8_list = _gdk_wayland_display_text_property_to_utf8_list; display_class->text_property_to_utf8_list = _gdk_wayland_display_text_property_to_utf8_list;
display_class->utf8_to_string_target = _gdk_wayland_display_utf8_to_string_target; display_class->utf8_to_string_target = _gdk_wayland_display_utf8_to_string_target;

7
gdk/wayland/gdkprivate-wayland.h
View File

@ -147,13 +147,6 @@ gint _gdk_wayland_display_get_selection_property (GdkDisplay *display,
guchar **data, guchar **data,
GdkAtom *ret_type, GdkAtom *ret_type,
gint *ret_format); gint *ret_format);
void gdk_wayland_display_clear_selection_targets (GdkDisplay *display,
GdkAtom selection);
void gdk_wayland_display_add_selection_targets (GdkDisplay *display,
GdkWindow *window,
GdkAtom selection,
GdkAtom *targets,
guint ntargets);
void _gdk_wayland_display_convert_selection (GdkDisplay *display, void _gdk_wayland_display_convert_selection (GdkDisplay *display,
GdkWindow *requestor, GdkWindow *requestor,
GdkAtom selection, GdkAtom selection,

47
gdk/wayland/gdkselection-wayland.c
View File

@ -96,8 +96,6 @@ struct _GdkWaylandSelection
/* Source-side data */ /* Source-side data */
StoredSelection stored_selection; StoredSelection stored_selection;
GArray *source_targets;
GdkAtom requested_target;
struct wl_data_source *dnd_source; /* Owned by the GdkDragContext */ struct wl_data_source *dnd_source; /* Owned by the GdkDragContext */
GdkWindow *dnd_owner; GdkWindow *dnd_owner;
@ -325,7 +323,6 @@ gdk_wayland_selection_new (void)
g_hash_table_new_full (NULL, NULL, NULL, g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) data_offer_data_free); (GDestroyNotify) data_offer_data_free);
selection->stored_selection.fd = -1; selection->stored_selection.fd = -1;
selection->source_targets = g_array_new (FALSE, FALSE, sizeof (GdkAtom));
return selection; return selection;
} }
@ -337,8 +334,6 @@ gdk_wayland_selection_free (GdkWaylandSelection *selection)
for (i = 0; i < G_N_ELEMENTS (selection->selections); i++) for (i = 0; i < G_N_ELEMENTS (selection->selections); i++)
g_hash_table_destroy (selection->selections[i].buffers); g_hash_table_destroy (selection->selections[i].buffers);
g_array_unref (selection->source_targets);
g_hash_table_destroy (selection->offers); g_hash_table_destroy (selection->offers);
g_free (selection->stored_selection.data); g_free (selection->stored_selection.data);
@ -854,7 +849,6 @@ static void
data_source_dnd_finished (void *data, data_source_dnd_finished (void *data,
struct wl_data_source *source) struct wl_data_source *source)
{ {
GdkDisplay *display = gdk_display_get_default ();
GdkDragContext *context; GdkDragContext *context;
context = gdk_wayland_drag_context_lookup_by_data_source (source); context = gdk_wayland_drag_context_lookup_by_data_source (source);
@ -871,7 +865,6 @@ data_source_dnd_finished (void *data,
g_signal_emit_by_name (context, "dnd-finished"); g_signal_emit_by_name (context, "dnd-finished");
gdk_selection_owner_set (NULL, atoms[ATOM_DND], GDK_CURRENT_TIME, TRUE); gdk_selection_owner_set (NULL, atoms[ATOM_DND], GDK_CURRENT_TIME, TRUE);
gdk_wayland_display_clear_selection_targets (display, atoms[ATOM_DND]);
} }
static void static void
@ -1272,46 +1265,6 @@ _gdk_wayland_display_utf8_to_string_target (GdkDisplay *display,
return sanitize_utf8 (str, TRUE); return sanitize_utf8 (str, TRUE);
} }
void
gdk_wayland_display_add_selection_targets (GdkDisplay *display,
GdkWindow *window,
GdkAtom selection,
GdkAtom *targets,
guint ntargets)
{
GdkWaylandSelection *wayland_selection = gdk_wayland_display_get_selection (display);
gpointer data_source;
guint i;
g_return_if_fail (GDK_IS_WINDOW (window));
data_source = gdk_wayland_selection_get_data_source (window, selection);
if (!data_source)
return;
g_array_append_vals (wayland_selection->source_targets, targets, ntargets);
for (i = 0; i < ntargets; i++)
{
gchar *mimetype = gdk_atom_name (targets[i]);
wl_data_source_offer (data_source, mimetype);
g_free (mimetype);
}
}
void
gdk_wayland_display_clear_selection_targets (GdkDisplay *display,
GdkAtom selection)
{
GdkWaylandSelection *wayland_selection = gdk_wayland_display_get_selection (display);
wayland_selection->requested_target = NULL;
g_array_set_size (wayland_selection->source_targets, 0);
gdk_wayland_selection_unset_data_source (display, selection);
}
gboolean gboolean
gdk_wayland_selection_set_current_offer_actions (GdkDisplay *display, gdk_wayland_selection_set_current_offer_actions (GdkDisplay *display,
uint32_t action) uint32_t action)

2
gdk/win32/gdkdisplay-win32.c
View File

@ -1248,8 +1248,6 @@ gdk_win32_display_class_init (GdkWin32DisplayClass *klass)
display_class->set_selection_owner = _gdk_win32_display_set_selection_owner; display_class->set_selection_owner = _gdk_win32_display_set_selection_owner;
display_class->send_selection_notify = _gdk_win32_display_send_selection_notify; display_class->send_selection_notify = _gdk_win32_display_send_selection_notify;
display_class->get_selection_property = _gdk_win32_display_get_selection_property; display_class->get_selection_property = _gdk_win32_display_get_selection_property;
display_class->clear_selection_targets = gdk_win32_display_clear_selection_targets;
display_class->add_selection_targets = gdk_win32_display_add_selection_targets;
display_class->convert_selection = _gdk_win32_display_convert_selection; display_class->convert_selection = _gdk_win32_display_convert_selection;
display_class->text_property_to_utf8_list = _gdk_win32_display_text_property_to_utf8_list; display_class->text_property_to_utf8_list = _gdk_win32_display_text_property_to_utf8_list;
display_class->utf8_to_string_target = _gdk_win32_display_utf8_to_string_target; display_class->utf8_to_string_target = _gdk_win32_display_utf8_to_string_target;

7
gdk/win32/gdkprivate-win32.h
View File

@ -397,13 +397,6 @@ gint _gdk_win32_display_get_selection_property (GdkDisplay *display,
guchar **data, guchar **data,
GdkAtom *ret_type, GdkAtom *ret_type,
gint *ret_format); gint *ret_format);
void gdk_win32_display_clear_selection_targets (GdkDisplay *display,
GdkAtom selection);
void gdk_win32_display_add_selection_targets (GdkDisplay *display,
GdkWindow *window,
GdkAtom selection,
GdkAtom *targets,
guint ntargets);
void _gdk_win32_display_convert_selection (GdkDisplay *display, void _gdk_win32_display_convert_selection (GdkDisplay *display,
GdkWindow *requestor, GdkWindow *requestor,
GdkAtom selection, GdkAtom selection,

6
gdk/win32/gdkselection-win32.c
View File

@ -2805,12 +2805,6 @@ _gdk_win32_add_target_to_selformats (GdkAtom target,
return added_count; return added_count;
} }
void
gdk_win32_display_clear_selection_targets (GdkDisplay *display,
GdkAtom selection)
{
}
/* This function is called from gtk_selection_add_target() and /* This function is called from gtk_selection_add_target() and
* gtk_selection_add_targets() in gtkselection.c. It is this function * gtk_selection_add_targets() in gtkselection.c. It is this function
* that takes care of setting those clipboard formats for which we use * that takes care of setting those clipboard formats for which we use

2
gdk/x11/gdkdisplay-x11.c
View File

@ -3222,8 +3222,6 @@ gdk_x11_display_class_init (GdkX11DisplayClass * class)
display_class->set_selection_owner = _gdk_x11_display_set_selection_owner; display_class->set_selection_owner = _gdk_x11_display_set_selection_owner;
display_class->send_selection_notify = _gdk_x11_display_send_selection_notify; display_class->send_selection_notify = _gdk_x11_display_send_selection_notify;
display_class->get_selection_property = _gdk_x11_display_get_selection_property; display_class->get_selection_property = _gdk_x11_display_get_selection_property;
display_class->clear_selection_targets = gdk_x11_display_clear_selection_targets;
display_class->add_selection_targets = gdk_x11_display_add_selection_targets;
display_class->convert_selection = _gdk_x11_display_convert_selection; display_class->convert_selection = _gdk_x11_display_convert_selection;
display_class->text_property_to_utf8_list = _gdk_x11_display_text_property_to_utf8_list; display_class->text_property_to_utf8_list = _gdk_x11_display_text_property_to_utf8_list;
display_class->utf8_to_string_target = _gdk_x11_display_utf8_to_string_target; display_class->utf8_to_string_target = _gdk_x11_display_utf8_to_string_target;

7
gdk/x11/gdkprivate-x11.h
View File

@ -166,13 +166,6 @@ gint _gdk_x11_display_get_selection_property (GdkDisplay *display,
guchar **data, guchar **data,
GdkAtom *ret_type, GdkAtom *ret_type,
gint *ret_format); gint *ret_format);
void gdk_x11_display_clear_selection_targets (GdkDisplay *display,
GdkAtom selection);
void gdk_x11_display_add_selection_targets (GdkDisplay *display,
GdkWindow *window,
GdkAtom selection,
GdkAtom *targets,
guint ntargets);
void _gdk_x11_display_convert_selection (GdkDisplay *display, void _gdk_x11_display_convert_selection (GdkDisplay *display,
GdkWindow *requestor, GdkWindow *requestor,
GdkAtom selection, GdkAtom selection,

15
gdk/x11/gdkselection-x11.c
View File

@ -311,21 +311,6 @@ _gdk_x11_display_get_selection_property (GdkDisplay *display,
return 0; return 0;
} }
void
gdk_x11_display_clear_selection_targets (GdkDisplay *display,
GdkAtom selection)
{
}
void
gdk_x11_display_add_selection_targets (GdkDisplay *display,
GdkWindow *window,
GdkAtom selection,
GdkAtom *targets,
guint ntargets)
{
}
void void
_gdk_x11_display_send_selection_notify (GdkDisplay *display, _gdk_x11_display_send_selection_notify (GdkDisplay *display,
GdkWindow *requestor, GdkWindow *requestor,

155
gtk/gtkselection.c
View File

@ -551,158 +551,6 @@ gtk_selection_target_list_get (GtkWidget *widget,
return sellist->list; return sellist->list;
} }
static void
gtk_selection_target_list_add (GtkWidget *widget,
GdkAtom selection,
GdkContentFormats *formats)
{
GtkSelectionTargetList *sellist;
GList *tmp_list;
GList *lists;
lists = g_object_get_data (G_OBJECT (widget), gtk_selection_handler_key);
tmp_list = lists;
while (tmp_list)
{
sellist = tmp_list->data;
if (sellist->selection == selection)
{
sellist->list = gdk_content_formats_union (sellist->list, formats);
return;
}
tmp_list = tmp_list->next;
}
if (tmp_list == NULL)
{
sellist = g_slice_new (GtkSelectionTargetList);
sellist->selection = selection;
sellist->list = gdk_content_formats_ref (formats);
}
lists = g_list_prepend (lists, sellist);
g_object_set_data (G_OBJECT (widget), I_(gtk_selection_handler_key), lists);
}
static void
gtk_selection_target_list_remove (GtkWidget *widget)
{
GtkSelectionTargetList *sellist;
GList *tmp_list;
GList *lists;
lists = g_object_get_data (G_OBJECT (widget), gtk_selection_handler_key);
tmp_list = lists;
while (tmp_list)
{
sellist = tmp_list->data;
gdk_content_formats_unref (sellist->list);
g_slice_free (GtkSelectionTargetList, sellist);
tmp_list = tmp_list->next;
}
g_list_free (lists);
g_object_set_data (G_OBJECT (widget), I_(gtk_selection_handler_key), NULL);
}
/**
* gtk_selection_clear_targets:
* @widget: a #GtkWidget
* @selection: an atom representing a selection
*
* Remove all targets registered for the given selection for the
* widget.
**/
void
gtk_selection_clear_targets (GtkWidget *widget,
GdkAtom selection)
{
GtkSelectionTargetList *sellist;
GList *tmp_list;
GList *lists;
g_return_if_fail (GTK_IS_WIDGET (widget));
g_return_if_fail (selection != NULL);
gdk_selection_clear_targets (gtk_widget_get_display (widget), selection);
lists = g_object_get_data (G_OBJECT (widget), gtk_selection_handler_key);
tmp_list = lists;
while (tmp_list)
{
sellist = tmp_list->data;
if (sellist->selection == selection)
{
lists = g_list_delete_link (lists, tmp_list);
gdk_content_formats_unref (sellist->list);
g_slice_free (GtkSelectionTargetList, sellist);
break;
}
tmp_list = tmp_list->next;
}
g_object_set_data (G_OBJECT (widget), I_(gtk_selection_handler_key), lists);
}
/**
* gtk_selection_add_target:
* @widget: a #GtkWidget
* @selection: the selection
* @target: target to add.
*
* Appends a specified target to the list of supported targets for a
* given widget and selection.
**/
void
gtk_selection_add_target (GtkWidget *widget,
GdkAtom selection,
GdkAtom target)
{
GdkContentFormats *list;
g_return_if_fail (GTK_IS_WIDGET (widget));
g_return_if_fail (selection != NULL);
list = gdk_content_formats_new (&target, 1);
gtk_selection_add_targets (widget, selection, list);
gdk_content_formats_unref (list);
}
/**
* gtk_selection_add_targets:
* @widget: a #GtkWidget
* @selection: the selection
* @targets: the targets to add
*
* Prepends a table of targets to the list of supported targets
* for a given widget and selection.
**/
void
gtk_selection_add_targets (GtkWidget *widget,
GdkAtom selection,
GdkContentFormats *targets)
{
const char * const *mime_types;
gsize n_mime_types;
g_return_if_fail (GTK_IS_WIDGET (widget));
g_return_if_fail (selection != NULL);
g_return_if_fail (targets != NULL);
gtk_selection_target_list_add (widget, selection, targets);
mime_types = gdk_content_formats_get_mime_types (targets, &n_mime_types);
gdk_selection_add_targets (gtk_widget_get_window (widget), selection, (GdkAtom *) mime_types, n_mime_types);
}
/** /**
* gtk_selection_remove_all: * gtk_selection_remove_all:
* @widget: a #GtkWidget * @widget: a #GtkWidget
@ -759,9 +607,6 @@ gtk_selection_remove_all (GtkWidget *widget)
tmp_list = next; tmp_list = next;
} }
/* Remove all selection lists */
gtk_selection_target_list_remove (widget);
} }

11
gtk/gtkselection.h
View File

@ -55,17 +55,6 @@ gboolean gtk_selection_owner_set_for_display (GdkDisplay *display,
guint32 time_); guint32 time_);
GDK_AVAILABLE_IN_ALL GDK_AVAILABLE_IN_ALL
void gtk_selection_add_target (GtkWidget *widget,
GdkAtom selection,
GdkAtom target);
GDK_AVAILABLE_IN_ALL
void gtk_selection_add_targets (GtkWidget *widget,
GdkAtom selection,
GdkContentFormats *targets);
GDK_AVAILABLE_IN_ALL
void gtk_selection_clear_targets (GtkWidget *widget,
GdkAtom selection);
GDK_AVAILABLE_IN_ALL
gboolean gtk_selection_convert (GtkWidget *widget, gboolean gtk_selection_convert (GtkWidget *widget,
GdkAtom selection, GdkAtom selection,
GdkAtom target, GdkAtom target,

12
tests/testselection.c
View File

@ -384,14 +384,6 @@ main (int argc, char *argv[])
GtkWidget *hbox; GtkWidget *hbox;
GtkWidget *scrolled; GtkWidget *scrolled;
static const char *targetlist[] = {
"STRING",
"TEXT",
"COMPOUND_TEXT"
};
static gint ntargets = sizeof(targetlist) / sizeof(targetlist[0]);
GdkContentFormats *list;
gtk_init (); gtk_init ();
init_atoms(); init_atoms();
@ -422,10 +414,6 @@ main (int argc, char *argv[])
g_signal_connect (selection_widget, "selection_received", g_signal_connect (selection_widget, "selection_received",
G_CALLBACK (selection_received), NULL); G_CALLBACK (selection_received), NULL);
list = gdk_content_formats_new (targetlist, ntargets);
gtk_selection_add_targets (selection_widget, GDK_SELECTION_PRIMARY, list);
gdk_content_formats_unref (list);
g_signal_connect (selection_widget, "selection_get", g_signal_connect (selection_widget, "selection_get",
G_CALLBACK (selection_get), NULL); G_CALLBACK (selection_get), NULL);