360 lines
10 KiB
C
360 lines
10 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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#include "gtkcellrenderer.h"
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#include "gtkliststore.h"
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#include "gtktextbuffer.h"
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#include "gtktogglebutton.h"
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#include "gtktreeviewcolumn.h"
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#include "gtklabel.h"
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enum
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{
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COLUMN_NAME,
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COLUMN_CLASS,
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COLUMN_CONNECTED,
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COLUMN_COUNT,
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COLUMN_NO_HOOKS,
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COLUMN_SIGNAL_ID,
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COLUMN_HOOK_ID
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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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GtkTextBuffer *text;
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GtkWidget *log_win;
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GtkWidget *trace_button;
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GtkWidget *clear_button;
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GtkWidget *object_title;
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GtkTreeViewColumn *count_column;
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GtkCellRenderer *count_renderer;
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GObject *object;
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GHashTable *iters;
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gboolean tracing;
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};
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G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorSignalsList, gtk_inspector_signals_list, GTK_TYPE_PANED)
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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_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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COLUMN_COUNT, 0,
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COLUMN_NO_HOOKS, (query.signal_flags & G_SIGNAL_NO_HOOKS) != 0,
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COLUMN_SIGNAL_ID, ids[i],
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COLUMN_HOOK_ID, 0,
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-1);
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g_hash_table_insert (sl->priv->iters,
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GINT_TO_POINTER (ids[i]), gtk_tree_iter_copy (&iter));
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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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static void stop_tracing (GtkInspectorSignalsList *sl);
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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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if (sl->priv->object == object)
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return;
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stop_tracing (sl);
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gtk_list_store_clear (sl->priv->model);
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g_hash_table_remove_all (sl->priv->iters);
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sl->priv->object = object;
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if (object)
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{
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const gchar *title;
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title = (const gchar *)g_object_get_data (object, "gtk-inspector-object-title");
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gtk_label_set_label (GTK_LABEL (sl->priv->object_title), title);
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read_signals_from_object (sl, object);
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}
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}
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static void
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render_count (GtkTreeViewColumn *column,
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GtkCellRenderer *renderer,
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GtkTreeModel *model,
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GtkTreeIter *iter,
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gpointer data)
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{
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gint count;
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gboolean no_hooks;
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gchar text[100];
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gtk_tree_model_get (model, iter,
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COLUMN_COUNT, &count,
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COLUMN_NO_HOOKS, &no_hooks,
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-1);
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if (no_hooks)
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{
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g_object_set (renderer, "markup", "<i>(untraceable)</i>", NULL);
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}
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else if (count != 0)
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{
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g_snprintf (text, 100, "%d", count);
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g_object_set (renderer, "text", text, NULL);
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}
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else
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g_object_set (renderer, "text", "", NULL);
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}
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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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gtk_tree_view_column_set_cell_data_func (sl->priv->count_column,
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sl->priv->count_renderer,
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render_count,
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NULL, NULL);
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sl->priv->iters = g_hash_table_new_full (g_direct_hash,
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g_direct_equal,
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NULL,
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(GDestroyNotify) gtk_tree_iter_free);
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}
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static gboolean
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trace_hook (GSignalInvocationHint *ihint,
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guint n_param_values,
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const GValue *param_values,
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gpointer data)
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{
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GtkInspectorSignalsList *sl = data;
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GObject *object;
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object = g_value_get_object (param_values);
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if (object == sl->priv->object)
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{
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gint count;
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GtkTreeIter *iter;
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iter = (GtkTreeIter *)g_hash_table_lookup (sl->priv->iters, GINT_TO_POINTER (ihint->signal_id));
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gtk_tree_model_get (GTK_TREE_MODEL (sl->priv->model), iter, COLUMN_COUNT, &count, -1);
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gtk_list_store_set (sl->priv->model, iter, COLUMN_COUNT, count + 1, -1);
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}
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return TRUE;
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}
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static gboolean
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start_tracing_cb (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer data)
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{
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GtkInspectorSignalsList *sl = data;
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guint signal_id;
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gulong hook_id;
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gboolean no_hooks;
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gtk_tree_model_get (model, iter,
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COLUMN_SIGNAL_ID, &signal_id,
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COLUMN_HOOK_ID, &hook_id,
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COLUMN_NO_HOOKS, &no_hooks,
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-1);
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g_assert (signal_id != 0);
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g_assert (hook_id == 0);
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if (!no_hooks)
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{
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hook_id = g_signal_add_emission_hook (signal_id, 0, trace_hook, sl, NULL);
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gtk_list_store_set (GTK_LIST_STORE (model), iter,
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COLUMN_COUNT, 0,
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COLUMN_HOOK_ID, hook_id,
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-1);
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}
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return FALSE;
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}
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static gboolean
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stop_tracing_cb (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer data)
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{
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guint signal_id;
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gulong hook_id;
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gtk_tree_model_get (model, iter,
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COLUMN_SIGNAL_ID, &signal_id,
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COLUMN_HOOK_ID, &hook_id,
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-1);
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g_assert (signal_id != 0);
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if (hook_id != 0)
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{
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g_signal_remove_emission_hook (signal_id, hook_id);
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gtk_list_store_set (GTK_LIST_STORE (model), iter,
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COLUMN_HOOK_ID, 0,
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-1);
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}
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return FALSE;
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}
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static void
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start_tracing (GtkInspectorSignalsList *sl)
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{
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sl->priv->tracing = TRUE;
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gtk_tree_model_foreach (GTK_TREE_MODEL (sl->priv->model), start_tracing_cb, sl);
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}
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static void
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stop_tracing (GtkInspectorSignalsList *sl)
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{
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sl->priv->tracing = FALSE;
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gtk_tree_model_foreach (GTK_TREE_MODEL (sl->priv->model), stop_tracing_cb, sl);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (sl->priv->trace_button), FALSE);
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}
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static void
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toggle_tracing (GtkToggleButton *button, GtkInspectorSignalsList *sl)
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{
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if (gtk_toggle_button_get_active (button) == sl->priv->tracing)
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return;
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//gtk_widget_show (sl->priv->log_win);
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if (gtk_toggle_button_get_active (button))
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start_tracing (sl);
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else
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stop_tracing (sl);
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}
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static gboolean
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clear_log_cb (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer data)
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{
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gtk_list_store_set (GTK_LIST_STORE (model), iter, COLUMN_COUNT, 0, -1);
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return FALSE;
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}
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static void
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clear_log (GtkButton *button, GtkInspectorSignalsList *sl)
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{
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gtk_text_buffer_set_text (sl->priv->text, "", -1);
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gtk_tree_model_foreach (GTK_TREE_MODEL (sl->priv->model), clear_log_cb, sl);
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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/libgtk/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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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, text);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, log_win);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, count_column);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, count_renderer);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, trace_button);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, clear_button);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, object_title);
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gtk_widget_class_bind_template_callback (widget_class, toggle_tracing);
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gtk_widget_class_bind_template_callback (widget_class, clear_log);
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}
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// vim: set et sw=2 ts=2:
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