forked from AuroraMiddleware/gtk
296 lines
9.1 KiB
C
296 lines
9.1 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 "statistics.h"
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#include "gtkstack.h"
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#include "gtktreeview.h"
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#include "gtkcellrenderertext.h"
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#include "gtkcelllayout.h"
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struct _GtkInspectorStatisticsPrivate
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{
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GtkWidget *stack;
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GtkTreeModel *model;
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GtkTreeView *view;
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GtkWidget *button;
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GHashTable *data;
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GtkTreeViewColumn *column_self1;
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GtkCellRenderer *renderer_self1;
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GtkTreeViewColumn *column_cumulative1;
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GtkCellRenderer *renderer_cumulative1;
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GtkTreeViewColumn *column_self2;
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GtkCellRenderer *renderer_self2;
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GtkTreeViewColumn *column_cumulative2;
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GtkCellRenderer *renderer_cumulative2;
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gint snapshot_count;
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GHashTable *counts;
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};
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typedef struct {
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GType type;
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gint self1;
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gint cumulative1;
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gint self2;
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gint cumulative2;
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} TypeData;
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enum
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{
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COLUMN_TYPE,
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COLUMN_TYPE_NAME,
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COLUMN_SELF1,
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COLUMN_CUMULATIVE1,
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COLUMN_SELF2,
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COLUMN_CUMULATIVE2
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};
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G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorStatistics, gtk_inspector_statistics, GTK_TYPE_BOX)
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static gint
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add_type_count (GtkInspectorStatistics *sl, GType type)
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{
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gint cumulative;
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gint self;
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GType *children;
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guint n_children;
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gint i;
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TypeData *data;
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cumulative = 0;
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children = g_type_children (type, &n_children);
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for (i = 0; i < n_children; i++)
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cumulative += add_type_count (sl, children[i]);
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data = g_hash_table_lookup (sl->priv->counts, GSIZE_TO_POINTER (type));
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if (!data)
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{
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data = g_new0 (TypeData, 1);
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data->type = type;
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g_hash_table_insert (sl->priv->counts, GSIZE_TO_POINTER (type), data);
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}
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self = g_type_get_instance_count (type);
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cumulative += self;
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data->self2 = self;
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data->cumulative2 = cumulative;
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return cumulative;
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}
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static void
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update_type_counts (GtkInspectorStatistics *sl)
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{
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GType type;
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gpointer class;
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for (type = G_TYPE_INTERFACE; type <= G_TYPE_FUNDAMENTAL_MAX; type += (1 << G_TYPE_FUNDAMENTAL_SHIFT))
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{
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class = g_type_class_peek (type);
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if (class == NULL)
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continue;
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if (!G_TYPE_IS_INSTANTIATABLE (type))
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continue;
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add_type_count (sl, type);
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}
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}
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static void
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refresh_clicked (GtkWidget *button, GtkInspectorStatistics *sl)
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{
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GHashTableIter iter;
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TypeData *data;
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GtkTreeIter treeiter;
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g_hash_table_iter_init (&iter, sl->priv->counts);
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while (g_hash_table_iter_next (&iter, NULL, (gpointer *)&data))
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{
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data->self1 = data->self2;
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data->cumulative1 = data->cumulative2;
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}
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if (sl->priv->snapshot_count == 0)
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{
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gtk_tree_view_column_set_visible (sl->priv->column_self2, TRUE);
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gtk_tree_view_column_set_visible (sl->priv->column_cumulative2, TRUE);
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}
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else if (sl->priv->snapshot_count == 1)
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{
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gtk_tree_view_column_set_visible (sl->priv->column_self1, TRUE);
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gtk_tree_view_column_set_visible (sl->priv->column_cumulative1, TRUE);
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}
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update_type_counts (sl);
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gtk_list_store_clear (GTK_LIST_STORE (sl->priv->model));
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g_hash_table_iter_init (&iter, sl->priv->counts);
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while (g_hash_table_iter_next (&iter, NULL, (gpointer *)&data))
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{
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gtk_list_store_append (GTK_LIST_STORE (sl->priv->model), &treeiter);
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gtk_list_store_set (GTK_LIST_STORE (sl->priv->model), &treeiter,
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COLUMN_TYPE, data->type,
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COLUMN_TYPE_NAME, g_type_name (data->type),
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COLUMN_SELF1, data->self1,
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COLUMN_CUMULATIVE1, data->cumulative1,
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COLUMN_SELF2, data->self2,
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COLUMN_CUMULATIVE2, data->cumulative2,
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-1);
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}
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sl->priv->snapshot_count++;
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}
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static gboolean
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has_instance_counts (void)
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{
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const gchar *string;
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guint flags = 0;
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string = g_getenv ("GOBJECT_DEBUG");
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if (string != NULL)
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{
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GDebugKey debug_keys[] = {
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{ "objects", 1 },
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{ "instance-count", 2 },
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{ "signals", 4 }
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};
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flags = g_parse_debug_string (string, debug_keys, G_N_ELEMENTS (debug_keys));
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}
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return (flags & 2) != 0;
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}
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static void
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cell_data_data (GtkCellLayout *layout,
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GtkCellRenderer *cell,
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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 column;
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gint count;
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gchar *text;
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column = GPOINTER_TO_INT (data);
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gtk_tree_model_get (model, iter, column, &count, -1);
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text = g_strdup_printf ("%d", count);
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g_object_set (cell, "text", text, NULL);
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g_free (text);
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}
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static void
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cell_data_delta (GtkCellLayout *layout,
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GtkCellRenderer *cell,
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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 column;
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gint count1;
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gint count2;
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gchar *text;
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column = GPOINTER_TO_INT (data);
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gtk_tree_model_get (model, iter, column - 2, &count1, column, &count2, -1);
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if (count2 > count1)
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text = g_strdup_printf ("%d (↗ %d)", count2, count2 - count1);
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else if (count2 < count1)
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text = g_strdup_printf ("%d (↘ %d)", count2, count1 - count2);
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else
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text = g_strdup_printf ("%d", count2);
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g_object_set (cell, "text", text, NULL);
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g_free (text);
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}
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static void
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gtk_inspector_statistics_init (GtkInspectorStatistics *sl)
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{
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sl->priv = gtk_inspector_statistics_get_instance_private (sl);
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gtk_widget_init_template (GTK_WIDGET (sl));
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gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (sl->priv->column_self1),
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sl->priv->renderer_self1,
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cell_data_data,
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GINT_TO_POINTER (COLUMN_SELF1), NULL);
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gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (sl->priv->column_cumulative1),
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sl->priv->renderer_cumulative1,
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cell_data_data,
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GINT_TO_POINTER (COLUMN_CUMULATIVE1), NULL);
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gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (sl->priv->column_self2),
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sl->priv->renderer_self2,
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cell_data_delta,
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GINT_TO_POINTER (COLUMN_SELF2), NULL);
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gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (sl->priv->column_cumulative2),
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sl->priv->renderer_cumulative2,
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cell_data_delta,
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GINT_TO_POINTER (COLUMN_CUMULATIVE2), NULL);
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sl->priv->counts = g_hash_table_new_full (NULL, NULL, NULL, g_free);
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if (has_instance_counts ())
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update_type_counts (sl);
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else
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gtk_stack_set_visible_child_name (GTK_STACK (sl->priv->stack), "excuse");
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}
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static void
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finalize (GObject *object)
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{
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GtkInspectorStatistics *sl = GTK_INSPECTOR_STATISTICS (object);
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g_hash_table_unref (sl->priv->counts);
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G_OBJECT_CLASS (gtk_inspector_statistics_parent_class)->finalize (object);
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}
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static void
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gtk_inspector_statistics_class_init (GtkInspectorStatisticsClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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object_class->finalize = finalize;
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gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/inspector/statistics.ui");
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, view);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, stack);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, model);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, column_self1);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, renderer_self1);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, column_cumulative1);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, renderer_cumulative1);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, column_self2);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, renderer_self2);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, column_cumulative2);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, renderer_cumulative2);
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, button);
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gtk_widget_class_bind_template_callback (widget_class, refresh_clicked);
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}
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// vim: set et sw=2 ts=2:
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