gtk2/gtk/inspector/signals-list.c

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/*
* Copyright (c) 2014 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <glib/gi18n-lib.h>
#include "signals-list.h"
#include "gtkcellrenderer.h"
#include "gtkliststore.h"
#include "gtktextbuffer.h"
#include "gtktogglebutton.h"
#include "gtktreeviewcolumn.h"
#include "gtklabel.h"
enum
{
COLUMN_NAME,
COLUMN_CLASS,
COLUMN_CONNECTED,
COLUMN_COUNT,
COLUMN_NO_HOOKS,
COLUMN_SIGNAL_ID,
COLUMN_HOOK_ID
};
enum
{
PROP_0,
PROP_TRACE_BUTTON,
PROP_CLEAR_BUTTON
};
struct _GtkInspectorSignalsListPrivate
{
GtkWidget *view;
GtkListStore *model;
GtkTextBuffer *text;
GtkWidget *log_win;
GtkWidget *trace_button;
GtkWidget *clear_button;
GtkTreeViewColumn *count_column;
GtkCellRenderer *count_renderer;
GObject *object;
GHashTable *iters;
gboolean tracing;
};
G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorSignalsList, gtk_inspector_signals_list, GTK_TYPE_PANED)
static GType *
get_types (GObject *object, guint *length)
{
GHashTable *seen;
GType *ret;
GType type;
GType *iface;
gint i;
seen = g_hash_table_new (g_direct_hash, g_direct_equal);
type = ((GTypeInstance*)object)->g_class->g_type;
while (type)
{
g_hash_table_add (seen, GSIZE_TO_POINTER (type));
iface = g_type_interfaces (type, NULL);
for (i = 0; iface[i]; i++)
g_hash_table_add (seen, GSIZE_TO_POINTER (iface[i]));
g_free (iface);
type = g_type_parent (type);
}
ret = (GType *)g_hash_table_get_keys_as_array (seen, length);
g_hash_table_unref (seen);
return ret;
}
static void
add_signals (GtkInspectorSignalsList *sl,
GType type,
GObject *object)
{
guint *ids;
guint n_ids;
gint i;
GSignalQuery query;
GtkTreeIter iter;
gboolean has_handler;
if (!G_TYPE_IS_INSTANTIATABLE (type) && !G_TYPE_IS_INTERFACE (type))
return;
ids = g_signal_list_ids (type, &n_ids);
for (i = 0; i < n_ids; i++)
{
g_signal_query (ids[i], &query);
has_handler = g_signal_has_handler_pending (object, ids[i], 0, TRUE);
gtk_list_store_append (sl->priv->model, &iter);
gtk_list_store_set (sl->priv->model, &iter,
COLUMN_NAME, query.signal_name,
COLUMN_CLASS, g_type_name (type),
COLUMN_CONNECTED, has_handler ? _("Yes") : "",
COLUMN_COUNT, 0,
COLUMN_NO_HOOKS, (query.signal_flags & G_SIGNAL_NO_HOOKS) != 0,
COLUMN_SIGNAL_ID, ids[i],
COLUMN_HOOK_ID, 0,
-1);
g_hash_table_insert (sl->priv->iters,
GINT_TO_POINTER (ids[i]), gtk_tree_iter_copy (&iter));
}
g_free (ids);
}
static void
read_signals_from_object (GtkInspectorSignalsList *sl,
GObject *object)
{
GType *types;
guint length;
gint i;
types = get_types (object, &length);
for (i = 0; i < length; i++)
add_signals (sl, types[i], object);
g_free (types);
}
static void stop_tracing (GtkInspectorSignalsList *sl);
void
gtk_inspector_signals_list_set_object (GtkInspectorSignalsList *sl,
GObject *object)
{
if (sl->priv->object == object)
return;
stop_tracing (sl);
gtk_list_store_clear (sl->priv->model);
g_hash_table_remove_all (sl->priv->iters);
sl->priv->object = object;
if (object)
read_signals_from_object (sl, object);
}
static void
render_count (GtkTreeViewColumn *column,
GtkCellRenderer *renderer,
GtkTreeModel *model,
GtkTreeIter *iter,
gpointer data)
{
gint count;
gboolean no_hooks;
gchar text[100];
gtk_tree_model_get (model, iter,
COLUMN_COUNT, &count,
COLUMN_NO_HOOKS, &no_hooks,
-1);
if (no_hooks)
{
g_object_set (renderer, "markup", "<i>(untraceable)</i>", NULL);
}
else if (count != 0)
{
g_snprintf (text, 100, "%d", count);
g_object_set (renderer, "text", text, NULL);
}
else
g_object_set (renderer, "text", "", NULL);
}
static void
gtk_inspector_signals_list_init (GtkInspectorSignalsList *sl)
{
sl->priv = gtk_inspector_signals_list_get_instance_private (sl);
gtk_widget_init_template (GTK_WIDGET (sl));
gtk_tree_view_column_set_cell_data_func (sl->priv->count_column,
sl->priv->count_renderer,
render_count,
NULL, NULL);
sl->priv->iters = g_hash_table_new_full (g_direct_hash,
g_direct_equal,
NULL,
(GDestroyNotify) gtk_tree_iter_free);
}
static gboolean
trace_hook (GSignalInvocationHint *ihint,
guint n_param_values,
const GValue *param_values,
gpointer data)
{
GtkInspectorSignalsList *sl = data;
GObject *object;
object = g_value_get_object (param_values);
if (object == sl->priv->object)
{
gint count;
GtkTreeIter *iter;
iter = (GtkTreeIter *)g_hash_table_lookup (sl->priv->iters, GINT_TO_POINTER (ihint->signal_id));
gtk_tree_model_get (GTK_TREE_MODEL (sl->priv->model), iter, COLUMN_COUNT, &count, -1);
gtk_list_store_set (sl->priv->model, iter, COLUMN_COUNT, count + 1, -1);
}
return TRUE;
}
static gboolean
start_tracing_cb (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer data)
{
GtkInspectorSignalsList *sl = data;
guint signal_id;
gulong hook_id;
gboolean no_hooks;
gtk_tree_model_get (model, iter,
COLUMN_SIGNAL_ID, &signal_id,
COLUMN_HOOK_ID, &hook_id,
COLUMN_NO_HOOKS, &no_hooks,
-1);
g_assert (signal_id != 0);
g_assert (hook_id == 0);
if (!no_hooks)
{
hook_id = g_signal_add_emission_hook (signal_id, 0, trace_hook, sl, NULL);
gtk_list_store_set (GTK_LIST_STORE (model), iter,
COLUMN_COUNT, 0,
COLUMN_HOOK_ID, hook_id,
-1);
}
return FALSE;
}
static gboolean
stop_tracing_cb (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer data)
{
guint signal_id;
gulong hook_id;
gtk_tree_model_get (model, iter,
COLUMN_SIGNAL_ID, &signal_id,
COLUMN_HOOK_ID, &hook_id,
-1);
g_assert (signal_id != 0);
if (hook_id != 0)
{
g_signal_remove_emission_hook (signal_id, hook_id);
gtk_list_store_set (GTK_LIST_STORE (model), iter,
COLUMN_HOOK_ID, 0,
-1);
}
return FALSE;
}
static void
start_tracing (GtkInspectorSignalsList *sl)
{
sl->priv->tracing = TRUE;
gtk_tree_model_foreach (GTK_TREE_MODEL (sl->priv->model), start_tracing_cb, sl);
}
static void
stop_tracing (GtkInspectorSignalsList *sl)
{
sl->priv->tracing = FALSE;
gtk_tree_model_foreach (GTK_TREE_MODEL (sl->priv->model), stop_tracing_cb, sl);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (sl->priv->trace_button), FALSE);
}
static void
toggle_tracing (GtkToggleButton *button, GtkInspectorSignalsList *sl)
{
if (gtk_toggle_button_get_active (button) == sl->priv->tracing)
return;
//gtk_widget_show (sl->priv->log_win);
if (gtk_toggle_button_get_active (button))
start_tracing (sl);
else
stop_tracing (sl);
}
static gboolean
clear_log_cb (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer data)
{
gtk_list_store_set (GTK_LIST_STORE (model), iter, COLUMN_COUNT, 0, -1);
return FALSE;
}
static void
clear_log (GtkButton *button, GtkInspectorSignalsList *sl)
{
gtk_text_buffer_set_text (sl->priv->text, "", -1);
gtk_tree_model_foreach (GTK_TREE_MODEL (sl->priv->model), clear_log_cb, sl);
}
static void
get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
GtkInspectorSignalsList *sl = GTK_INSPECTOR_SIGNALS_LIST (object);
switch (param_id)
{
case PROP_TRACE_BUTTON:
g_value_take_object (value, sl->priv->trace_button);
break;
case PROP_CLEAR_BUTTON:
g_value_take_object (value, sl->priv->trace_button);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec)
{
GtkInspectorSignalsList *sl = GTK_INSPECTOR_SIGNALS_LIST (object);
switch (param_id)
{
case PROP_TRACE_BUTTON:
sl->priv->trace_button = g_value_get_object (value);
break;
case PROP_CLEAR_BUTTON:
sl->priv->clear_button = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
constructed (GObject *object)
{
GtkInspectorSignalsList *sl = GTK_INSPECTOR_SIGNALS_LIST (object);
g_signal_connect (sl->priv->trace_button, "toggled",
G_CALLBACK (toggle_tracing), sl);
g_signal_connect (sl->priv->clear_button, "clicked",
G_CALLBACK (clear_log), sl);
}
static void
gtk_inspector_signals_list_class_init (GtkInspectorSignalsListClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->constructed = constructed;
object_class->get_property = get_property;
object_class->set_property = set_property;
g_object_class_install_property (object_class, PROP_TRACE_BUTTON,
g_param_spec_object ("trace-button", NULL, NULL,
GTK_TYPE_WIDGET, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_CLEAR_BUTTON,
g_param_spec_object ("clear-button", NULL, NULL,
GTK_TYPE_WIDGET, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
2014-11-30 20:59:53 +00:00
gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/libgtk/inspector/signals-list.ui");
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, view);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, model);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, text);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, log_win);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, count_column);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorSignalsList, count_renderer);
}
// vim: set et sw=2 ts=2: