GNOME.org
 

[gtk+] inspector: Add a tab for object counts

commit 9f1d651e0b1cdff8069af24f7b5d3d7636eda9aa
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Oct 9 23:34:59 2014 -0400

    inspector: Add a tab for object counts
    
    This can be useful in finding leaks.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=738272

 gtk/inspector/Makefile.am             |    3 +
 gtk/inspector/init.c                  |    4 +-
 gtk/inspector/inspector.gresource.xml |    3 +-
 gtk/inspector/statistics.c            |  175 +++++++++++++++++++++++++++++++++
 gtk/inspector/statistics.h            |   52 ++++++++++
 gtk/inspector/statistics.ui           |  107 ++++++++++++++++++++
 gtk/inspector/statistics.ui.h         |    5 +
 gtk/inspector/window.ui               |    9 ++
 gtk/inspector/window.ui.h             |    1 +
 9 files changed, 357 insertions(+), 2 deletions(-)
---
diff --git a/gtk/inspector/Makefile.am b/gtk/inspector/Makefile.am
index bc16e6a..4371d4c 100644
--- a/gtk/inspector/Makefile.am
+++ b/gtk/inspector/Makefile.am
@@ -54,6 +54,8 @@ libgtkinspector_la_SOURCES =          \
        signals-list.c                  \
        size-groups.h                   \
        size-groups.c                   \
+       statistics.h                    \
+       statistics.c                    \
        visual.h                        \
        visual.c                        \
        window.h                        \
@@ -100,6 +102,7 @@ templates =                                 \
        prop-list.ui                    \
        resource-list.ui                \
        signals-list.ui                 \
+       statistics.ui                   \
        style-prop-list.ui              \
        visual.ui                       \
        window.ui
diff --git a/gtk/inspector/init.c b/gtk/inspector/init.c
index 6ba9ca2..ce26a19 100644
--- a/gtk/inspector/init.c
+++ b/gtk/inspector/init.c
@@ -39,6 +39,7 @@
 #include "resources.h"
 #include "signals-list.h"
 #include "size-groups.h"
+#include "statistics.h"
 #include "style-prop-list.h"
 #include "visual.h"
 #include "window.h"
@@ -61,8 +62,9 @@ gtk_inspector_init (void)
   g_type_ensure (GTK_TYPE_INSPECTOR_PROP_LIST);
   g_type_ensure (GTK_TYPE_INSPECTOR_RESOURCE_LIST);
   g_type_ensure (GTK_TYPE_INSPECTOR_SIGNALS_LIST);
-  g_type_ensure (GTK_TYPE_INSPECTOR_STYLE_PROP_LIST);
   g_type_ensure (GTK_TYPE_INSPECTOR_SIZE_GROUPS);
+  g_type_ensure (GTK_TYPE_INSPECTOR_STATISTICS);
+  g_type_ensure (GTK_TYPE_INSPECTOR_STYLE_PROP_LIST);
   g_type_ensure (GTK_TYPE_INSPECTOR_VISUAL);
   g_type_ensure (GTK_TYPE_INSPECTOR_WINDOW);
 }
diff --git a/gtk/inspector/inspector.gresource.xml b/gtk/inspector/inspector.gresource.xml
index 592b970..0b9f552 100644
--- a/gtk/inspector/inspector.gresource.xml
+++ b/gtk/inspector/inspector.gresource.xml
@@ -11,9 +11,10 @@
     <file compressed="true">object-hierarchy.ui</file>
     <file compressed="true">object-tree.ui</file>
     <file compressed="true">prop-list.ui</file>
+    <file compressed="true">signals-list.ui</file>
+    <file compressed="true">statistics.ui</file>
     <file compressed="true">style-prop-list.ui</file>
     <file compressed="true">resource-list.ui</file>
-    <file compressed="true">signals-list.ui</file>
     <file compressed="true">visual.ui</file>
     <file compressed="true">window.ui</file>
     <file>logo.png</file>
diff --git a/gtk/inspector/statistics.c b/gtk/inspector/statistics.c
new file mode 100644
index 0000000..0427c5d
--- /dev/null
+++ b/gtk/inspector/statistics.c
@@ -0,0 +1,175 @@
+/*
+ * 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 "statistics.h"
+
+#include "gtkstack.h"
+#include "gtktreeview.h"
+#include "gtkcellrenderertext.h"
+#include "gtkcelllayout.h"
+
+struct _GtkInspectorStatisticsPrivate
+{
+  GtkWidget *stack;
+  GtkTreeModel *model;
+  GtkTreeView  *view;
+  GtkTreeViewColumn *column_self;
+  GtkCellRenderer *renderer_self;
+  GtkTreeViewColumn *column_cumulative;
+  GtkCellRenderer *renderer_cumulative;
+  GtkWidget *button;
+};
+
+enum
+{
+  COLUMN_TYPE,
+  COLUMN_SELF,
+  COLUMN_CUMULATIVE
+};
+
+G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorStatistics, gtk_inspector_statistics, GTK_TYPE_BOX)
+
+static void
+cell_data_func (GtkCellLayout   *layout,
+                GtkCellRenderer *cell,
+                GtkTreeModel    *model,
+                GtkTreeIter     *iter,
+                gpointer         data)
+{
+  gint column;
+  gint count;
+  gchar *text;
+
+  column = GPOINTER_TO_INT (data);
+
+  gtk_tree_model_get (model, iter, column, &count, -1);
+
+  text = g_strdup_printf ("%d", count);
+  g_object_set (cell, "text", text, NULL);
+  g_free (text);
+}
+
+static gint
+add_type_count (GtkInspectorStatistics *sl, GType type)
+{
+  gint cumulative;
+  gint self;
+  GType *children;
+  guint n_children;
+  GtkTreeIter iter;
+  gint i;
+
+  cumulative = 0;
+
+  children = g_type_children (type, &n_children);
+  for (i = 0; i < n_children; i++)
+    cumulative += add_type_count (sl, children[i]);
+
+  self = g_type_get_instance_count (type);
+  cumulative += self;
+  gtk_list_store_append (GTK_LIST_STORE (sl->priv->model), &iter);
+  gtk_list_store_set (GTK_LIST_STORE (sl->priv->model), &iter,
+                      COLUMN_TYPE, g_type_name (type),
+                      COLUMN_SELF, self,
+                      COLUMN_CUMULATIVE, cumulative,
+                      -1);
+
+  return cumulative;
+}
+
+static void
+refresh_clicked (GtkWidget *button, GtkInspectorStatistics *sl)
+{
+  GType type;
+  gpointer class;
+
+  gtk_list_store_clear (GTK_LIST_STORE (sl->priv->model));
+
+  for (type = G_TYPE_INTERFACE; type <= G_TYPE_FUNDAMENTAL_MAX; type += G_TYPE_FUNDAMENTAL_SHIFT)
+    {
+      class = g_type_class_peek (type);
+      if (class == NULL)
+        continue;
+
+      if (!G_TYPE_IS_INSTANTIATABLE (type))
+        continue;
+
+      add_type_count (sl, type);
+    }
+}
+
+static gboolean
+has_instance_counts (void)
+{
+  const gchar *string;
+  guint flags = 0;
+
+  string = g_getenv ("GOBJECT_DEBUG");
+  if (string != NULL)
+    {
+      GDebugKey debug_keys[] = {
+        { "objects", 1 },
+        { "instance-count", 2 },
+        { "signals", 4 }
+      };
+
+     flags = g_parse_debug_string (string, debug_keys, G_N_ELEMENTS (debug_keys));
+    }
+
+  return (flags & 2) != 0;
+}
+
+static void
+gtk_inspector_statistics_init (GtkInspectorStatistics *sl)
+{
+  sl->priv = gtk_inspector_statistics_get_instance_private (sl);
+  gtk_widget_init_template (GTK_WIDGET (sl));
+  gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (sl->priv->column_self),
+                                      sl->priv->renderer_self,
+                                      cell_data_func,
+                                      GINT_TO_POINTER (COLUMN_SELF), NULL);
+  gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (sl->priv->column_cumulative),
+                                      sl->priv->renderer_cumulative,
+                                      cell_data_func,
+                                      GINT_TO_POINTER (COLUMN_CUMULATIVE), NULL);
+  if (has_instance_counts ())
+    add_type_count (sl, G_TYPE_OBJECT);
+  else
+    gtk_stack_set_visible_child_name (GTK_STACK (sl->priv->stack), "excuse");
+}
+
+static void
+gtk_inspector_statistics_class_init (GtkInspectorStatisticsClass *klass)
+{
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+  gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/inspector/statistics.ui");
+  gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, view);
+  gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, stack);
+  gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, model);
+  gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, column_self);
+  gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, renderer_self);
+  gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, column_cumulative);
+  gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, renderer_cumulative);
+  gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, button);
+  gtk_widget_class_bind_template_callback (widget_class, refresh_clicked);
+}
+
+// vim: set et sw=2 ts=2:
diff --git a/gtk/inspector/statistics.h b/gtk/inspector/statistics.h
new file mode 100644
index 0000000..1df3264
--- /dev/null
+++ b/gtk/inspector/statistics.h
@@ -0,0 +1,52 @@
+/*
+ * 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/>.
+ */
+
+#ifndef _GTK_INSPECTOR_STATISTICS_H_
+#define _GTK_INSPECTOR_STATISTICS_H_
+
+#include <gtk/gtkbox.h>
+
+#define GTK_TYPE_INSPECTOR_STATISTICS            (gtk_inspector_statistics_get_type())
+#define GTK_INSPECTOR_STATISTICS(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), 
GTK_TYPE_INSPECTOR_STATISTICS, GtkInspectorStatistics))
+#define GTK_INSPECTOR_STATISTICS_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), 
GTK_TYPE_INSPECTOR_STATISTICS, GtkInspectorStatisticsClass))
+#define GTK_INSPECTOR_IS_STATISTICS(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), 
GTK_TYPE_INSPECTOR_STATISTICS))
+#define GTK_INSPECTOR_IS_STATISTICS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), 
GTK_TYPE_INSPECTOR_STATISTICS))
+#define GTK_INSPECTOR_STATISTICS_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), 
GTK_TYPE_INSPECTOR_STATISTICS, GtkInspectorStatisticsClass))
+
+
+typedef struct _GtkInspectorStatisticsPrivate GtkInspectorStatisticsPrivate;
+
+typedef struct _GtkInspectorStatistics
+{
+  GtkBox parent;
+  GtkInspectorStatisticsPrivate *priv;
+} GtkInspectorStatistics;
+
+typedef struct _GtkInspectorStatisticsClass
+{
+  GtkBoxClass parent;
+} GtkInspectorStatisticsClass;
+
+G_BEGIN_DECLS
+
+GType      gtk_inspector_statistics_get_type   (void);
+
+G_END_DECLS
+
+#endif // _GTK_INSPECTOR_STATISTICS_H_
+
+// vim: set et sw=2 ts=2:
diff --git a/gtk/inspector/statistics.ui b/gtk/inspector/statistics.ui
new file mode 100644
index 0000000..0c79d05
--- /dev/null
+++ b/gtk/inspector/statistics.ui
@@ -0,0 +1,107 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface domain="gtk30">
+  <object class="GtkListStore" id="model">
+    <columns>
+      <column type="gchararray"/>
+      <column type="gint"/>
+      <column type="gint"/>
+    </columns>
+  </object>
+  <template class="GtkInspectorStatistics" parent="GtkBox">
+    <property name="visible">True</property>
+    <property name="orientation">vertical</property>
+    <child>
+      <object class="GtkStack" id="stack">
+        <property name="visible">True</property>
+        <child>
+          <object class="GtkBox">
+            <property name="visible">True</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <object class="GtkToolbar" id="toolbar">
+                <property name="visible">True</property>
+                <property name="icon-size">small-toolbar</property>
+                <child>
+                  <object class="GtkToolButton" id="button">
+                    <property name="visible">True</property>
+                    <property name="icon-name">view-refresh-symbolic</property>
+                    <property name="tooltip-text" translatable="yes">Refresh</property>
+                    <signal name="clicked" handler="refresh_clicked"/>
+                  </object>
+                </child>
+              </object>
+            </child>
+            <child>
+              <object class="GtkScrolledWindow">
+                <property name="visible">True</property>
+                <property name="expand">True</property>
+                <property name="hscrollbar-policy">automatic</property>
+                <property name="vscrollbar-policy">always</property>
+                <property name="shadow-type">in</property>
+                <child>
+                  <object class="GtkTreeView" id="view">
+                    <property name="visible">True</property>
+                    <property name="model">model</property>
+                    <child>
+                      <object class="GtkTreeViewColumn">
+                        <property name="visible">True</property>
+                        <property name="sort-column-id">0</property>
+                        <property name="title" translatable="yes">Type</property>
+                        <child>
+                          <object class="GtkCellRendererText">
+                            <property name="scale">0.8</property>
+                          </object>
+                          <attributes>
+                            <attribute name="text">0</attribute>
+                          </attributes>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="column_self">
+                        <property name="visible">True</property>
+                        <property name="sort-column-id">1</property>
+                        <property name="title" translatable="yes">Self</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="renderer_self">
+                            <property name="scale">0.8</property>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="column_cumulative">
+                        <property name="visible">True</property>
+                        <property name="sort-column-id">2</property>
+                        <property name="title" translatable="yes">Cumulative</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="renderer_cumulative">
+                            <property name="scale">0.8</property>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
+                  </object>
+                </child>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="name">statistics</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel">
+            <property name="visible">True</property>
+            <property name="halign">center</property>
+            <property name="valign">center</property>
+            <property name="label" translatable="yes">Enable statistics with 
GOBJECT_DEBUG=instance-count</property>
+          </object>
+          <packing>
+            <property name="name">excuse</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+  </template>
+</interface>
diff --git a/gtk/inspector/statistics.ui.h b/gtk/inspector/statistics.ui.h
new file mode 100644
index 0000000..ad38e80
--- /dev/null
+++ b/gtk/inspector/statistics.ui.h
@@ -0,0 +1,5 @@
+N_("Refresh");
+N_("Type");
+N_("Self");
+N_("Cumulative");
+N_("Enable statistics with GOBJECT_DEBUG=instance-count");
diff --git a/gtk/inspector/window.ui b/gtk/inspector/window.ui
index fb3e597..582c03a 100644
--- a/gtk/inspector/window.ui
+++ b/gtk/inspector/window.ui
@@ -246,6 +246,15 @@
           </packing>
         </child>
         <child>
+          <object class="GtkInspectorStatistics">
+            <property name="visible">True</property>
+          </object>
+          <packing>
+            <property name="name">statistics</property>
+            <property name="title" translatable="yes">Statistics</property>
+          </packing>
+        </child>
+        <child>
           <object class="GtkInspectorResourceList">
             <property name="visible">True</property>
             <property name="close-details-button">close_resource_details</property>
diff --git a/gtk/inspector/window.ui.h b/gtk/inspector/window.ui.h
index 98870a8..be9b3cc 100644
--- a/gtk/inspector/window.ui.h
+++ b/gtk/inspector/window.ui.h
@@ -15,6 +15,7 @@ N_("Actions");
 N_("Menu");
 N_("Gestures");
 N_("Objects");
+N_("Statistics");
 N_("Resources");
 N_("Custom CSS");
 N_("Visual");
[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]