mirror of
https://github.com/varun-r-mallya/sysprof.git
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libsysprof-gtk: add new SysprofTimeSeries
This is to replace what is in libsysprof-analyze currently, so we can do charting in a more flexible manner.
This commit is contained in:
Christian Hergert
255
src/libsysprof-gtk/sysprof-time-series.c
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255
src/libsysprof-gtk/sysprof-time-series.c
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/* sysprof-time-series.c
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*
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* Copyright 2023 Christian Hergert <chergert@redhat.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "config.h"
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#include "sysprof-series-private.h"
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#include "sysprof-time-series.h"
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#include "sysprof-time-series-item-private.h"
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struct _SysprofTimeSeries
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{
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SysprofSeries parent_instance;
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GtkExpression *time_expression;
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GtkExpression *duration_expression;
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};
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struct _SysprofTimeSeriesClass
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{
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SysprofSeriesClass parent_instance;
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};
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enum {
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PROP_0,
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PROP_TIME_EXPRESSION,
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PROP_DURATION_EXPRESSION,
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N_PROPS
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};
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G_DEFINE_FINAL_TYPE (SysprofTimeSeries, sysprof_time_series, SYSPROF_TYPE_SERIES)
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static GParamSpec *properties [N_PROPS];
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static gpointer
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sysprof_time_series_get_series_item (SysprofSeries *series,
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guint position,
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gpointer item)
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{
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SysprofTimeSeries *self = SYSPROF_TIME_SERIES (series);
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return _sysprof_time_series_item_new (item,
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gtk_expression_ref (self->time_expression),
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gtk_expression_ref (self->duration_expression));
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}
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static void
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sysprof_time_series_finalize (GObject *object)
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{
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SysprofTimeSeries *self = (SysprofTimeSeries *)object;
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g_clear_pointer (&self->time_expression, gtk_expression_unref);
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g_clear_pointer (&self->duration_expression, gtk_expression_unref);
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G_OBJECT_CLASS (sysprof_time_series_parent_class)->finalize (object);
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}
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static void
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sysprof_time_series_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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SysprofTimeSeries *self = SYSPROF_TIME_SERIES (object);
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switch (prop_id)
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{
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case PROP_TIME_EXPRESSION:
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gtk_value_set_expression (value, self->time_expression);
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break;
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case PROP_DURATION_EXPRESSION:
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gtk_value_set_expression (value, self->duration_expression);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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sysprof_time_series_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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SysprofTimeSeries *self = SYSPROF_TIME_SERIES (object);
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switch (prop_id)
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{
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case PROP_TIME_EXPRESSION:
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sysprof_time_series_set_time_expression (self, gtk_value_get_expression (value));
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break;
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case PROP_DURATION_EXPRESSION:
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sysprof_time_series_set_duration_expression (self, gtk_value_get_expression (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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sysprof_time_series_class_init (SysprofTimeSeriesClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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SysprofSeriesClass *series_class = SYSPROF_SERIES_CLASS (klass);
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object_class->finalize = sysprof_time_series_finalize;
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object_class->get_property = sysprof_time_series_get_property;
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object_class->set_property = sysprof_time_series_set_property;
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series_class->series_item_type = SYSPROF_TYPE_TIME_SERIES_ITEM;
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series_class->get_series_item = sysprof_time_series_get_series_item;
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properties [PROP_TIME_EXPRESSION] =
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gtk_param_spec_expression ("x-expression", NULL, NULL,
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(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
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properties [PROP_DURATION_EXPRESSION] =
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gtk_param_spec_expression ("y-expression", NULL, NULL,
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(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
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g_object_class_install_properties (object_class, N_PROPS, properties);
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}
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static void
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sysprof_time_series_init (SysprofTimeSeries *self)
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{
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}
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/**
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* sysprof_time_series_new:
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* @title: (nullable): a title for the series
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* @model: (transfer full) (nullable): a #GListModel for the series
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* @time_expression: (transfer full) (nullable): a #GtkExpression for
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* extracting the time value from @model items.
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* @duration_expression: (transfer full) (nullable): a #GtkExpression for
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* extracting the duration value from @model items.
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*
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* A #SysprofSeries which contains Time,Duration pairs.
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*
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* Returns: (transfer full): a #SysprofSeries
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*/
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SysprofSeries *
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sysprof_time_series_new (const char *title,
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GListModel *model,
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GtkExpression *time_expression,
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GtkExpression *duration_expression)
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{
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SysprofTimeSeries *xy;
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xy = g_object_new (SYSPROF_TYPE_TIME_SERIES,
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"title", title,
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"model", model,
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"x-expression", time_expression,
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"y-expression", duration_expression,
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NULL);
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g_clear_pointer (&time_expression, gtk_expression_unref);
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g_clear_pointer (&duration_expression, gtk_expression_unref);
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g_clear_object (&model);
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return SYSPROF_SERIES (xy);
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}
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/**
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* sysprof_time_series_get_time_expression:
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* @self: a #SysprofTimeSeries
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*
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* Gets the #SysprofTimeSeries:x-expression property.
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*
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* This is used to extract the X coordinate from items in the #GListModel.
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*
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* Returns: (transfer none) (nullable): a #GtkExpression or %NULL
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*/
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GtkExpression *
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sysprof_time_series_get_time_expression (SysprofTimeSeries *self)
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{
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g_return_val_if_fail (SYSPROF_IS_TIME_SERIES (self), NULL);
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return self->time_expression;
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}
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void
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sysprof_time_series_set_time_expression (SysprofTimeSeries *self,
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GtkExpression *time_expression)
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{
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g_return_if_fail (SYSPROF_IS_TIME_SERIES (self));
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if (self->time_expression == time_expression)
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return;
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if (time_expression)
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gtk_expression_ref (time_expression);
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g_clear_pointer (&self->time_expression, gtk_expression_unref);
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self->time_expression = time_expression;
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g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_TIME_EXPRESSION]);
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}
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/**
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* sysprof_time_series_get_duration_expression:
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* @self: a #SysprofTimeSeries
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*
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* Gets the #SysprofTimeSeries:y-expression property.
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*
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* This is used to extract the Y coordinate from items in the #GListModel.
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*
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* Returns: (transfer none) (nullable): a #GtkExpression or %NULL
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*/
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GtkExpression *
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sysprof_time_series_get_duration_expression (SysprofTimeSeries *self)
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{
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g_return_val_if_fail (SYSPROF_IS_TIME_SERIES (self), NULL);
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return self->duration_expression;
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}
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void
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sysprof_time_series_set_duration_expression (SysprofTimeSeries *self,
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GtkExpression *duration_expression)
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{
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g_return_if_fail (SYSPROF_IS_TIME_SERIES (self));
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if (self->duration_expression == duration_expression)
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return;
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if (duration_expression)
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gtk_expression_ref (duration_expression);
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g_clear_pointer (&self->duration_expression, gtk_expression_unref);
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self->duration_expression = duration_expression;
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g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_DURATION_EXPRESSION]);
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}
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