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https://github.com/varun-r-mallya/sysprof.git
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visualizer-view: add SpVisualizerView
This adds a new helper widget SpVisualizerView to simplify using visualizers from applications using libsysprof-ui-2 such as Builder. We can manage the view range, zoom, etc from this widget going forward.
This commit is contained in:
Christian Hergert
195
lib/sp-visualizer-view.c
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195
lib/sp-visualizer-view.c
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/* sp-visualizer-view.c
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*
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* Copyright (C) 2016 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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#define G_LOG_DOMAIN "sp-visualizer-view"
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#include <glib/gi18n.h>
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#include "sp-visualizer-list.h"
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#include "sp-visualizer-ticks.h"
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#include "sp-visualizer-view.h"
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typedef struct
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{
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SpCaptureReader *reader;
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SpVisualizerList *list;
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SpVisualizerTicks *ticks;
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} SpVisualizerViewPrivate;
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enum {
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PROP_0,
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PROP_READER,
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N_PROPS
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};
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static void buildable_iface_init (GtkBuildableIface *iface);
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G_DEFINE_TYPE_EXTENDED (SpVisualizerView, sp_visualizer_view, GTK_TYPE_BIN, 0,
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G_ADD_PRIVATE (SpVisualizerView)
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G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE, buildable_iface_init))
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static GParamSpec *properties [N_PROPS];
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static GtkBuildableIface *parent_buildable;
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static void
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sp_visualizer_view_finalize (GObject *object)
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{
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SpVisualizerView *self = (SpVisualizerView *)object;
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SpVisualizerViewPrivate *priv = sp_visualizer_view_get_instance_private (self);
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g_clear_pointer (&priv->reader, sp_capture_reader_unref);
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G_OBJECT_CLASS (sp_visualizer_view_parent_class)->finalize (object);
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}
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static void
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sp_visualizer_view_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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SpVisualizerView *self = (SpVisualizerView *)object;
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switch (prop_id)
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{
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case PROP_READER:
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g_value_set_boxed (value, sp_visualizer_view_get_reader (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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sp_visualizer_view_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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SpVisualizerView *self = (SpVisualizerView *)object;
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switch (prop_id)
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{
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case PROP_READER:
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sp_visualizer_view_set_reader (self, g_value_get_boxed (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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sp_visualizer_view_class_init (SpVisualizerViewClass *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 = sp_visualizer_view_finalize;
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object_class->get_property = sp_visualizer_view_get_property;
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object_class->set_property = sp_visualizer_view_set_property;
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properties [PROP_READER] =
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g_param_spec_boxed ("reader",
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"Reader",
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"The reader for the visualizers",
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SP_TYPE_CAPTURE_READER,
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(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_properties (object_class, N_PROPS, properties);
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gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/sysprof/ui/sp-visualizer-view.ui");
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gtk_widget_class_bind_template_child_private (widget_class, SpVisualizerView, list);
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gtk_widget_class_bind_template_child_private (widget_class, SpVisualizerView, ticks);
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gtk_widget_class_set_css_name (widget_class, "visualizers");
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}
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static void
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sp_visualizer_view_init (SpVisualizerView *self)
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{
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gtk_widget_init_template (GTK_WIDGET (self));
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}
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/**
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* sp_visualizer_view_get_reader:
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*
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* Returns: (transfer none): An #SpCaptureReader
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*/
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SpCaptureReader *
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sp_visualizer_view_get_reader (SpVisualizerView *self)
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{
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SpVisualizerViewPrivate *priv = sp_visualizer_view_get_instance_private (self);
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g_return_val_if_fail (SP_IS_VISUALIZER_VIEW (self), NULL);
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return priv->reader;
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}
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void
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sp_visualizer_view_set_reader (SpVisualizerView *self,
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SpCaptureReader *reader)
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{
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SpVisualizerViewPrivate *priv = sp_visualizer_view_get_instance_private (self);
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gint64 begin_time = 0;
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gint64 end_time = 0;
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g_return_if_fail (SP_IS_VISUALIZER_VIEW (self));
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if (reader != NULL)
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{
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begin_time = sp_capture_reader_get_start_time (reader);
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end_time = begin_time + (G_GINT64_CONSTANT (1000000000) * 60);
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}
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sp_visualizer_list_set_reader (priv->list, reader);
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sp_visualizer_list_set_time_range (priv->list, begin_time, end_time);
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sp_visualizer_ticks_set_time_range (priv->ticks, 0, end_time - begin_time);
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}
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static void
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sp_visualizer_view_add_child (GtkBuildable *buildable,
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GtkBuilder *builder,
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GObject *child,
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const gchar *type)
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{
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SpVisualizerView *self = (SpVisualizerView *)buildable;
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SpVisualizerViewPrivate *priv = sp_visualizer_view_get_instance_private (self);
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g_assert (SP_IS_VISUALIZER_VIEW (self));
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g_assert (GTK_IS_BUILDER (builder));
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g_assert (G_IS_OBJECT (child));
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if (g_strcmp0 (type, "visualizer") == 0 && GTK_IS_WIDGET (child))
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{
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gtk_container_add (GTK_CONTAINER (priv->list), GTK_WIDGET (child));
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return;
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}
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parent_buildable->add_child (buildable, builder, child, type);
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}
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static void
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buildable_iface_init (GtkBuildableIface *iface)
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{
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parent_buildable = g_type_interface_peek_parent (iface);
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iface->add_child = sp_visualizer_view_add_child;
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}
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