gtk2/gtk/inspector/statistics.c
2018-02-09 01:06:59 +01:00

471 lines
14 KiB
C

/*
* 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 "statistics.h"
#include "graphdata.h"
#include "gtkcelllayout.h"
#include "gtkcellrenderertext.h"
#include "gtklabel.h"
#include "gtksearchbar.h"
#include "gtkstack.h"
#include "gtktogglebutton.h"
#include "gtktreeselection.h"
#include "gtktreeview.h"
#include <glib/gi18n-lib.h>
enum
{
PROP_0,
PROP_BUTTON
};
struct _GtkInspectorStatisticsPrivate
{
GtkWidget *stack;
GtkWidget *excuse;
GtkTreeModel *model;
GtkTreeView *view;
GtkWidget *button;
GHashTable *data;
GtkTreeViewColumn *column_self1;
GtkCellRenderer *renderer_self1;
GtkTreeViewColumn *column_cumulative1;
GtkCellRenderer *renderer_cumulative1;
GtkTreeViewColumn *column_self2;
GtkCellRenderer *renderer_self2;
GtkTreeViewColumn *column_cumulative2;
GtkCellRenderer *renderer_cumulative2;
GHashTable *counts;
guint update_source_id;
GtkWidget *search_entry;
GtkWidget *search_bar;
};
typedef struct {
GType type;
GtkTreeIter treeiter;
GtkGraphData *self;
GtkGraphData *cumulative;
} TypeData;
enum
{
COLUMN_TYPE,
COLUMN_TYPE_NAME,
COLUMN_SELF1,
COLUMN_CUMULATIVE1,
COLUMN_SELF2,
COLUMN_CUMULATIVE2,
COLUMN_SELF_DATA,
COLUMN_CUMULATIVE_DATA
};
G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorStatistics, gtk_inspector_statistics, GTK_TYPE_BOX)
static gint
add_type_count (GtkInspectorStatistics *sl, GType type)
{
gint cumulative;
gint self;
GType *children;
guint n_children;
gint i;
TypeData *data;
cumulative = 0;
children = g_type_children (type, &n_children);
for (i = 0; i < n_children; i++)
cumulative += add_type_count (sl, children[i]);
data = g_hash_table_lookup (sl->priv->counts, GSIZE_TO_POINTER (type));
if (!data)
{
data = g_new0 (TypeData, 1);
data->type = type;
data->self = gtk_graph_data_new (60);
data->cumulative = gtk_graph_data_new (60);
gtk_list_store_append (GTK_LIST_STORE (sl->priv->model), &data->treeiter);
gtk_list_store_set (GTK_LIST_STORE (sl->priv->model), &data->treeiter,
COLUMN_TYPE, data->type,
COLUMN_TYPE_NAME, g_type_name (data->type),
COLUMN_SELF_DATA, data->self,
COLUMN_CUMULATIVE_DATA, data->cumulative,
-1);
g_hash_table_insert (sl->priv->counts, GSIZE_TO_POINTER (type), data);
}
self = g_type_get_instance_count (type);
cumulative += self;
gtk_graph_data_prepend_value (data->self, self);
gtk_graph_data_prepend_value (data->cumulative, cumulative);
gtk_list_store_set (GTK_LIST_STORE (sl->priv->model), &data->treeiter,
COLUMN_SELF1, (int) gtk_graph_data_get_value (data->self, 1),
COLUMN_CUMULATIVE1, (int) gtk_graph_data_get_value (data->cumulative, 1),
COLUMN_SELF2, (int) gtk_graph_data_get_value (data->self, 0),
COLUMN_CUMULATIVE2, (int) gtk_graph_data_get_value (data->cumulative, 0),
-1);
return cumulative;
}
static gboolean
update_type_counts (gpointer data)
{
GtkInspectorStatistics *sl = data;
GType type;
for (type = G_TYPE_INTERFACE; type <= G_TYPE_FUNDAMENTAL_MAX; type += (1 << G_TYPE_FUNDAMENTAL_SHIFT))
{
if (!G_TYPE_IS_INSTANTIATABLE (type))
continue;
add_type_count (sl, type);
}
return TRUE;
}
static void
toggle_record (GtkToggleButton *button,
GtkInspectorStatistics *sl)
{
if (gtk_toggle_button_get_active (button) == (sl->priv->update_source_id != 0))
return;
if (gtk_toggle_button_get_active (button))
{
sl->priv->update_source_id = g_timeout_add_seconds (1, update_type_counts, sl);
update_type_counts (sl);
}
else
{
g_source_remove (sl->priv->update_source_id);
sl->priv->update_source_id = 0;
}
}
static gboolean
has_instance_counts (void)
{
return g_type_get_instance_count (GTK_TYPE_LABEL) > 0;
}
static gboolean
instance_counts_enabled (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
cell_data_data (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 void
cell_data_delta (GtkCellLayout *layout,
GtkCellRenderer *cell,
GtkTreeModel *model,
GtkTreeIter *iter,
gpointer data)
{
gint column;
gint count1;
gint count2;
gchar *text;
column = GPOINTER_TO_INT (data);
gtk_tree_model_get (model, iter, column - 2, &count1, column, &count2, -1);
if (count2 > count1)
text = g_strdup_printf ("%d (↗ %d)", count2, count2 - count1);
else if (count2 < count1)
text = g_strdup_printf ("%d (↘ %d)", count2, count1 - count2);
else
text = g_strdup_printf ("%d", count2);
g_object_set (cell, "text", text, NULL);
g_free (text);
}
static void
type_data_free (gpointer data)
{
TypeData *type_data = data;
g_object_unref (type_data->self);
g_object_unref (type_data->cumulative);
g_free (type_data);
}
static gboolean
key_press_event (GtkWidget *window,
GdkEvent *event,
GtkInspectorStatistics *sl)
{
guint keyval, state;
if (gtk_widget_get_mapped (GTK_WIDGET (sl)) &&
gdk_event_get_keyval (event, &keyval) &&
gdk_event_get_state (event, &state))
{
if (keyval == GDK_KEY_Return ||
keyval == GDK_KEY_ISO_Enter ||
keyval == GDK_KEY_KP_Enter)
{
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreeIter iter;
GtkTreePath *path;
selection = gtk_tree_view_get_selection (sl->priv->view);
if (gtk_tree_selection_get_selected (selection, &model, &iter))
{
path = gtk_tree_model_get_path (model, &iter);
gtk_tree_view_row_activated (sl->priv->view, path, NULL);
gtk_tree_path_free (path);
return GDK_EVENT_STOP;
}
else
return GDK_EVENT_PROPAGATE;
}
return gtk_search_bar_handle_event (GTK_SEARCH_BAR (sl->priv->search_bar), event);
}
else
return GDK_EVENT_PROPAGATE;
}
static gboolean
match_string (const gchar *string,
const gchar *text)
{
gchar *lower;
gboolean match = FALSE;
if (string)
{
lower = g_ascii_strdown (string, -1);
match = g_str_has_prefix (lower, text);
g_free (lower);
}
return match;
}
static gboolean
match_row (GtkTreeModel *model,
gint column,
const gchar *key,
GtkTreeIter *iter,
gpointer data)
{
gchar *type;
gboolean match;
gtk_tree_model_get (model, iter, column, &type, -1);
match = match_string (type, key);
g_free (type);
return !match;
}
static void
hierarchy_changed (GtkWidget *widget,
GtkWidget *previous_toplevel)
{
if (previous_toplevel)
g_signal_handlers_disconnect_by_func (previous_toplevel, key_press_event, widget);
g_signal_connect (gtk_widget_get_toplevel (widget), "key-press-event",
G_CALLBACK (key_press_event), widget);
}
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_self1),
sl->priv->renderer_self1,
cell_data_data,
GINT_TO_POINTER (COLUMN_SELF1), NULL);
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (sl->priv->column_cumulative1),
sl->priv->renderer_cumulative1,
cell_data_data,
GINT_TO_POINTER (COLUMN_CUMULATIVE1), NULL);
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (sl->priv->column_self2),
sl->priv->renderer_self2,
cell_data_delta,
GINT_TO_POINTER (COLUMN_SELF2), NULL);
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (sl->priv->column_cumulative2),
sl->priv->renderer_cumulative2,
cell_data_delta,
GINT_TO_POINTER (COLUMN_CUMULATIVE2), NULL);
sl->priv->counts = g_hash_table_new_full (NULL, NULL, NULL, type_data_free);
gtk_tree_view_set_search_entry (sl->priv->view, GTK_ENTRY (sl->priv->search_entry));
gtk_tree_view_set_search_equal_func (sl->priv->view, match_row, sl, NULL);
g_signal_connect (sl, "hierarchy-changed", G_CALLBACK (hierarchy_changed), NULL);
}
static void
constructed (GObject *object)
{
GtkInspectorStatistics *sl = GTK_INSPECTOR_STATISTICS (object);
g_signal_connect (sl->priv->button, "toggled",
G_CALLBACK (toggle_record), sl);
if (has_instance_counts ())
update_type_counts (sl);
else
{
if (instance_counts_enabled ())
gtk_label_set_text (GTK_LABEL (sl->priv->excuse), _("GLib must be configured with --enable-debug"));
gtk_stack_set_visible_child_name (GTK_STACK (sl->priv->stack), "excuse");
gtk_widget_set_sensitive (sl->priv->button, FALSE);
}
}
static void
finalize (GObject *object)
{
GtkInspectorStatistics *sl = GTK_INSPECTOR_STATISTICS (object);
if (sl->priv->update_source_id)
g_source_remove (sl->priv->update_source_id);
g_hash_table_unref (sl->priv->counts);
G_OBJECT_CLASS (gtk_inspector_statistics_parent_class)->finalize (object);
}
static void
get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
GtkInspectorStatistics *sl = GTK_INSPECTOR_STATISTICS (object);
switch (param_id)
{
case PROP_BUTTON:
g_value_take_object (value, sl->priv->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)
{
GtkInspectorStatistics *sl = GTK_INSPECTOR_STATISTICS (object);
switch (param_id)
{
case PROP_BUTTON:
sl->priv->button = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
gtk_inspector_statistics_class_init (GtkInspectorStatisticsClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->get_property = get_property;
object_class->set_property = set_property;
object_class->constructed = constructed;
object_class->finalize = finalize;
g_object_class_install_property (object_class, PROP_BUTTON,
g_param_spec_object ("button", NULL, NULL,
GTK_TYPE_WIDGET, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/libgtk/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_self1);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, renderer_self1);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, column_cumulative1);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, renderer_cumulative1);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, column_self2);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, renderer_self2);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, column_cumulative2);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, renderer_cumulative2);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, search_entry);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, search_bar);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorStatistics, excuse);
}
// vim: set et sw=2 ts=2: