Files
sysprof/src/libsysprof-gtk/sysprof-counter-track.c
2023-06-29 14:15:26 -07:00

120 lines
3.8 KiB
C

/* sysprof-counter-track.c
*
* Copyright 2023 Christian Hergert <chergert@redhat.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include "config.h"
#include "sysprof-counter-track-private.h"
#include "sysprof-chart.h"
#include "sysprof-line-layer.h"
#include "sysprof-value-axis.h"
#include "sysprof-xy-series.h"
struct _SysprofCounterTrack
{
SysprofTrack parent_instance;
SysprofDocumentCounter *counter;
};
G_DEFINE_FINAL_TYPE (SysprofCounterTrack, sysprof_counter_track, SYSPROF_TYPE_TRACK)
static GtkWidget *
sysprof_counter_track_create_chart (SysprofTrack *track)
{
SysprofCounterTrack *self = (SysprofCounterTrack *)track;
SysprofSession *session = NULL;
g_autoptr(SysprofSeries) xy_series = NULL;
g_autoptr(SysprofAxis) x_axis = NULL;
g_autoptr(SysprofAxis) y_axis = NULL;
SysprofChartLayer *layer;
SysprofChart *chart;
g_assert (SYSPROF_IS_COUNTER_TRACK (self));
if (!(session = sysprof_track_get_session (track)))
return NULL;
x_axis = sysprof_session_get_visible_time_axis (session);
y_axis = sysprof_value_axis_new (sysprof_document_counter_get_min_value (self->counter),
sysprof_document_counter_get_max_value (self->counter));
xy_series = sysprof_xy_series_new (sysprof_track_get_title (track),
G_LIST_MODEL (self->counter),
gtk_property_expression_new (SYSPROF_TYPE_DOCUMENT_COUNTER_VALUE, NULL, "time"),
gtk_property_expression_new (SYSPROF_TYPE_DOCUMENT_COUNTER_VALUE, NULL, "value-double"));
chart = g_object_new (SYSPROF_TYPE_CHART, NULL);
layer = g_object_new (SYSPROF_TYPE_LINE_LAYER,
"spline", TRUE,
"series", xy_series,
"x-axis", x_axis,
"y-axis", y_axis,
NULL);
sysprof_chart_add_layer (chart, layer);
return GTK_WIDGET (chart);
}
static void
sysprof_counter_track_dispose (GObject *object)
{
SysprofCounterTrack *self = (SysprofCounterTrack *)object;
g_clear_object (&self->counter);
G_OBJECT_CLASS (sysprof_counter_track_parent_class)->dispose (object);
}
static void
sysprof_counter_track_class_init (SysprofCounterTrackClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
SysprofTrackClass *track_class = SYSPROF_TRACK_CLASS (klass);
object_class->dispose = sysprof_counter_track_dispose;
track_class->create_chart = sysprof_counter_track_create_chart;
}
static void
sysprof_counter_track_init (SysprofCounterTrack *self)
{
}
SysprofTrack *
sysprof_counter_track_new (SysprofSession *session,
const char *title,
SysprofDocumentCounter *counter)
{
SysprofCounterTrack *self;
g_return_val_if_fail (SYSPROF_IS_DOCUMENT_COUNTER (counter), NULL);
if (title == NULL)
title = sysprof_document_counter_get_name (counter);
self = g_object_new (SYSPROF_TYPE_COUNTER_TRACK,
"session", session,
"title", title,
NULL);
self->counter = g_object_ref (counter);
return SYSPROF_TRACK (self);
}