mirror of
https://github.com/varun-r-mallya/sysprof.git
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libsysprof-gtk: start on new axis/series design
This will mean we move series work from libsysprof-analyze into libsysprof-gtk so we get access to things like GtkExpression.
This commit is contained in:
Christian Hergert
255
src/libsysprof-gtk/sysprof-series.c
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255
src/libsysprof-gtk/sysprof-series.c
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/* sysprof-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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enum {
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PROP_0,
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PROP_MODEL,
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PROP_TITLE,
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N_PROPS
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};
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static GType
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sysprof_series_get_item_type (GListModel *model)
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{
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return SYSPROF_SERIES_GET_CLASS (model)->series_item_type;
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}
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static guint
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sysprof_series_get_n_items (GListModel *model)
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{
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SysprofSeries *self = SYSPROF_SERIES (model);
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if (self->model != NULL)
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return g_list_model_get_n_items (self->model);
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return 0;
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}
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static gpointer
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sysprof_series_get_item (GListModel *model,
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guint position)
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{
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SysprofSeries *self = SYSPROF_SERIES (model);
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gpointer item;
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if (self->model == NULL)
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return NULL;
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item = g_list_model_get_item (self->model, position);
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if (SYSPROF_SERIES_GET_CLASS (self)->get_series_item == NULL)
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return item;
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return SYSPROF_SERIES_GET_CLASS (self)->get_series_item (self, position, item);
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}
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static void
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list_model_iface_init (GListModelInterface *iface)
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{
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iface->get_item_type = sysprof_series_get_item_type;
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iface->get_n_items = sysprof_series_get_n_items;
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iface->get_item = sysprof_series_get_item;
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}
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G_DEFINE_ABSTRACT_TYPE_WITH_CODE (SysprofSeries, sysprof_series, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (G_TYPE_LIST_MODEL, list_model_iface_init))
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static GParamSpec *properties [N_PROPS];
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static void
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sysprof_series_items_changed_cb (SysprofSeries *self,
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guint position,
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guint removed,
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guint added,
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GListModel *model)
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{
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g_assert (SYSPROF_IS_SERIES (self));
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g_assert (G_IS_LIST_MODEL (model));
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if (SYSPROF_SERIES_GET_CLASS (self)->items_changed)
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SYSPROF_SERIES_GET_CLASS (self)->items_changed (self, model, position, removed, added);
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g_list_model_items_changed (G_LIST_MODEL (self), position, removed, added);
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}
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static void
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sysprof_series_dispose (GObject *object)
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{
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SysprofSeries *self = (SysprofSeries *)object;
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sysprof_series_set_model (self, NULL);
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g_clear_pointer (&self->title, g_free);
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G_OBJECT_CLASS (sysprof_series_parent_class)->dispose (object);
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}
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static void
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sysprof_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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SysprofSeries *self = SYSPROF_SERIES (object);
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switch (prop_id)
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{
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case PROP_MODEL:
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g_value_set_object (value, sysprof_series_get_model (self));
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break;
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case PROP_TITLE:
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g_value_set_string (value, sysprof_series_get_title (self));
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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_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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SysprofSeries *self = SYSPROF_SERIES (object);
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switch (prop_id)
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{
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case PROP_MODEL:
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sysprof_series_set_model (self, g_value_get_object (value));
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break;
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case PROP_TITLE:
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sysprof_series_set_title (self, g_value_get_string (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_series_class_init (SysprofSeriesClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->dispose = sysprof_series_dispose;
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object_class->get_property = sysprof_series_get_property;
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object_class->set_property = sysprof_series_set_property;
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klass->series_item_type = G_TYPE_OBJECT;
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properties[PROP_MODEL] =
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g_param_spec_object ("model", NULL, NULL,
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G_TYPE_LIST_MODEL,
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(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
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properties[PROP_TITLE] =
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g_param_spec_string ("title", NULL, NULL,
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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_series_init (SysprofSeries *self)
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{
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}
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const char *
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sysprof_series_get_title (SysprofSeries *self)
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{
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g_return_val_if_fail (SYSPROF_IS_SERIES (self), NULL);
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return self->title;
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}
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void
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sysprof_series_set_title (SysprofSeries *self,
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const char *title)
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{
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g_return_if_fail (SYSPROF_IS_SERIES (self));
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if (g_set_str (&self->title, title))
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g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_TITLE]);
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}
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/**
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* sysprof_series_get_model:
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* @self: a #SysprofSeries
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*
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* Returns: (transfer none) (nullable): a #GListModel
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*/
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GListModel *
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sysprof_series_get_model (SysprofSeries *self)
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{
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g_return_val_if_fail (SYSPROF_IS_SERIES (self), NULL);
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return self->model;
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}
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void
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sysprof_series_set_model (SysprofSeries *self,
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GListModel *model)
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{
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guint old_len = 0;
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guint new_len = 0;
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g_return_if_fail (SYSPROF_IS_SERIES (self));
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g_return_if_fail (!model || G_IS_LIST_MODEL (model));
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if (model == self->model)
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return;
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if (model != NULL)
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{
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new_len = g_list_model_get_n_items (model);
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g_object_ref (model);
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}
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if (self->model != NULL)
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{
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old_len = g_list_model_get_n_items (self->model);
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g_clear_signal_handler (&self->items_changed_handler, self->model);
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SYSPROF_SERIES_GET_CLASS (self)->items_changed (self, self->model, 0, old_len, 0);
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}
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g_set_object (&self->model, model);
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if (model != NULL)
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{
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self->items_changed_handler =
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g_signal_connect_object (model,
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"items-changed",
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G_CALLBACK (sysprof_series_items_changed_cb),
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self,
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G_CONNECT_SWAPPED);
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SYSPROF_SERIES_GET_CLASS (self)->items_changed (self, self->model, 0, 0, new_len);
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}
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g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_MODEL]);
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}
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