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c9dba4b8e0
Add a tab that shows available signals for each object. For now, we only show if each signal has handlers connected or now. More functionality will be added later.
146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
/*
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* Copyright (c) 2014 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <glib/gi18n-lib.h>
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#include "signals-list.h"
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enum
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{
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COLUMN_ENABLED,
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COLUMN_NAME,
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COLUMN_CLASS,
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COLUMN_CONNECTED
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};
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struct _GtkInspectorSignalsListPrivate
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{
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GtkWidget *view;
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GtkListStore *model;
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};
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G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorSignalsList, gtk_inspector_signals_list, GTK_TYPE_BOX)
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static void
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gtk_inspector_signals_list_init (GtkInspectorSignalsList *sl)
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{
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sl->priv = gtk_inspector_signals_list_get_instance_private (sl);
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gtk_widget_init_template (GTK_WIDGET (sl));
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}
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static GType *
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get_types (GObject *object, guint *length)
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{
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GHashTable *seen;
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GType *ret;
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GType type;
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GType *iface;
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gint i;
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seen = g_hash_table_new (g_direct_hash, g_direct_equal);
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type = ((GTypeInstance*)object)->g_class->g_type;
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while (type)
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{
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g_hash_table_add (seen, GSIZE_TO_POINTER (type));
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iface = g_type_interfaces (type, NULL);
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for (i = 0; iface[i]; i++)
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g_hash_table_add (seen, GSIZE_TO_POINTER (iface[i]));
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g_free (iface);
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type = g_type_parent (type);
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}
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ret = (GType *)g_hash_table_get_keys_as_array (seen, length);
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g_hash_table_unref (seen);
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return ret;
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}
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static void
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add_signals (GtkInspectorSignalsList *sl,
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GType type,
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GObject *object)
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{
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guint *ids;
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guint n_ids;
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gint i;
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GSignalQuery query;
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GtkTreeIter iter;
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gboolean has_handler;
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if (!G_TYPE_IS_INSTANTIATABLE (type) && !G_TYPE_IS_INTERFACE (type))
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return;
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ids = g_signal_list_ids (type, &n_ids);
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for (i = 0; i < n_ids; i++)
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{
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g_signal_query (ids[i], &query);
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has_handler = g_signal_has_handler_pending (object, ids[i], 0, TRUE);
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gtk_list_store_append (sl->priv->model, &iter);
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gtk_list_store_set (sl->priv->model, &iter,
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COLUMN_ENABLED, FALSE,
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COLUMN_NAME, query.signal_name,
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COLUMN_CLASS, g_type_name (type),
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COLUMN_CONNECTED, has_handler ? _("Yes") : "",
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-1);
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}
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g_free (ids);
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}
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static void
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read_signals_from_object (GtkInspectorSignalsList *sl,
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GObject *object)
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{
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GType *types;
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guint length;
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gint i;
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types = get_types (object, &length);
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for (i = 0; i < length; i++)
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add_signals (sl, types[i], object);
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g_free (types);
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}
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void
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gtk_inspector_signals_list_set_object (GtkInspectorSignalsList *sl,
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GObject *object)
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{
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gtk_list_store_clear (sl->priv->model);
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gtk_widget_set_sensitive (GTK_WIDGET (sl), TRUE);
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read_signals_from_object (sl, object);
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}
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static void
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gtk_inspector_signals_list_class_init (GtkInspectorSignalsListClass *klass)
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{
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/inspector/signals-list.ui");
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, view);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, model);
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}
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GtkWidget *
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gtk_inspector_signals_list_new (void)
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{
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return GTK_WIDGET (g_object_new (GTK_TYPE_INSPECTOR_SIGNALS_LIST, NULL));
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}
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// vim: set et sw=2 ts=2:
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