libsysprof-gtk: start on a time ruler widget

This totally needs better logic to determine the groupings so that we
get something closer to ".5" rather than some fraction crap.
This commit is contained in:
Christian Hergert
2023-06-27 17:05:53 -07:00
parent 14608a073d
commit af9288d3f7
6 changed files with 400 additions and 22 deletions

View File

@ -15,6 +15,7 @@ libsysprof_gtk_public_sources = [
'sysprof-session-model.c',
'sysprof-session-model-item.c',
'sysprof-split-layer.c',
'sysprof-time-ruler.c',
'sysprof-time-span-layer.c',
'sysprof-time-series.c',
'sysprof-time-series-item.c',
@ -44,6 +45,7 @@ libsysprof_gtk_public_headers = [
'sysprof-session-model.h',
'sysprof-session-model-item.h',
'sysprof-split-layer.h',
'sysprof-time-ruler.h',
'sysprof-time-series.h',
'sysprof-time-series-item.h',
'sysprof-time-span-layer.h',

View File

@ -39,6 +39,7 @@ G_BEGIN_DECLS
# include "sysprof-session-model.h"
# include "sysprof-session-model-item.h"
# include "sysprof-split-layer.h"
# include "sysprof-time-ruler.h"
# include "sysprof-time-series.h"
# include "sysprof-time-series-item.h"
# include "sysprof-time-span-layer.h"

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@ -0,0 +1,321 @@
/* sysprof-time-ruler.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-time-ruler.h"
#define GROUP_SIZE 100
struct _SysprofTimeRuler
{
GtkWidget parent_instance;
SysprofSession *session;
GSignalGroup *session_signals;
gint64 tick_interval;
};
enum {
PROP_0,
PROP_SESSION,
N_PROPS
};
G_DEFINE_FINAL_TYPE (SysprofTimeRuler, sysprof_time_ruler, GTK_TYPE_WIDGET)
static GParamSpec *properties [N_PROPS];
static void
sysprof_time_ruler_update (SysprofTimeRuler *self)
{
g_assert (SYSPROF_IS_TIME_RULER (self));
g_assert (!self->session || SYSPROF_IS_SESSION (self->session));
if (self->session == NULL)
{
self->tick_interval = 0;
return;
}
}
static void
sysprof_time_ruler_notify_selected_time_cb (SysprofTimeRuler *self,
GParamSpec *pspec,
SysprofSession *session)
{
g_assert (SYSPROF_IS_TIME_RULER (self));
g_assert (SYSPROF_IS_SESSION (session));
sysprof_time_ruler_update (self);
}
static void
sysprof_time_ruler_notify_visible_time_cb (SysprofTimeRuler *self,
GParamSpec *pspec,
SysprofSession *session)
{
g_assert (SYSPROF_IS_TIME_RULER (self));
g_assert (SYSPROF_IS_SESSION (session));
sysprof_time_ruler_update (self);
}
static void
sysprof_time_ruler_bind_session_cb (SysprofTimeRuler *self,
SysprofSession *session,
GSignalGroup *signals)
{
g_assert (SYSPROF_IS_TIME_RULER (self));
g_assert (SYSPROF_IS_SESSION (session));
g_assert (G_IS_SIGNAL_GROUP (signals));
sysprof_time_ruler_update (self);
}
static void
sysprof_time_ruler_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
{
SysprofTimeRuler *self = (SysprofTimeRuler *)widget;
const SysprofTimeSpan *visible_time;
PangoLayout *layout;
gint64 tick_interval;
gint64 time_range;
guint n_groups;
int width;
int height;
g_assert (SYSPROF_IS_TIME_RULER (self));
g_assert (GTK_IS_SNAPSHOT (snapshot));
g_assert (!self->session || SYSPROF_IS_SESSION (self->session));
width = gtk_widget_get_width (widget);
height = gtk_widget_get_height (widget);
if (self->session == NULL || width == 0 || height == 0)
return;
visible_time = sysprof_session_get_visible_time (self->session);
n_groups = MAX (width / GROUP_SIZE, 1);
time_range = visible_time->end_nsec - visible_time->begin_nsec;
tick_interval = time_range / n_groups;
layout = gtk_widget_create_pango_layout (widget, NULL);
for (gint64 t = visible_time->begin_nsec - (visible_time->begin_nsec % tick_interval);
t < visible_time->end_nsec;
t += tick_interval)
{
static const GdkRGBA black = {0,0,0,1};
gint64 o = t - visible_time->begin_nsec;
double x = (o / (double)time_range) * width;
int pw, ph;
char str[32];
if (x < 0)
continue;
if (o == 0)
g_snprintf (str, sizeof str, "%.3lfs", .0);
else if (o < 1000000)
g_snprintf (str, sizeof str, "%.3lfμs", o/1000.);
else if (o < SYSPROF_NSEC_PER_SEC)
g_snprintf (str, sizeof str, "%.3lfms", o/1000000.);
else
g_snprintf (str, sizeof str, "%.3lfs", o/(double)SYSPROF_NSEC_PER_SEC);
pango_layout_set_text (layout, str, -1);
pango_layout_get_pixel_size (layout, &pw, &ph);
gtk_snapshot_save (snapshot);
gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (x-pw-6, (height-ph)/2));
gtk_snapshot_append_layout (snapshot, layout, &black);
gtk_snapshot_restore (snapshot);
gtk_snapshot_append_color (snapshot,
&black,
&GRAPHENE_RECT_INIT (x, 0, 1, height));
}
g_object_unref (layout);
}
static void
sysprof_time_ruler_measure (GtkWidget *widget,
GtkOrientation orientation,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline)
{
GTK_WIDGET_CLASS (sysprof_time_ruler_parent_class)->measure (widget,
orientation,
for_size,
minimum,
natural,
minimum_baseline,
natural_baseline);
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
*minimum = MAX (*minimum, GROUP_SIZE);
*natural = MAX (*natural, *minimum);
}
}
static void
sysprof_time_ruler_dispose (GObject *object)
{
SysprofTimeRuler *self = (SysprofTimeRuler *)object;
g_signal_group_set_target (self->session_signals, NULL);
g_clear_object (&self->session);
G_OBJECT_CLASS (sysprof_time_ruler_parent_class)->dispose (object);
}
static void
sysprof_time_ruler_finalize (GObject *object)
{
SysprofTimeRuler *self = (SysprofTimeRuler *)object;
g_clear_object (&self->session_signals);
G_OBJECT_CLASS (sysprof_time_ruler_parent_class)->finalize (object);
}
static void
sysprof_time_ruler_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
SysprofTimeRuler *self = SYSPROF_TIME_RULER (object);
switch (prop_id)
{
case PROP_SESSION:
g_value_set_object (value, sysprof_time_ruler_get_session (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
sysprof_time_ruler_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
SysprofTimeRuler *self = SYSPROF_TIME_RULER (object);
switch (prop_id)
{
case PROP_SESSION:
sysprof_time_ruler_set_session (self, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
sysprof_time_ruler_class_init (SysprofTimeRulerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->dispose = sysprof_time_ruler_dispose;
object_class->finalize = sysprof_time_ruler_finalize;
object_class->get_property = sysprof_time_ruler_get_property;
object_class->set_property = sysprof_time_ruler_set_property;
widget_class->snapshot = sysprof_time_ruler_snapshot;
widget_class->measure = sysprof_time_ruler_measure;
properties [PROP_SESSION] =
g_param_spec_object ("session", NULL, NULL,
SYSPROF_TYPE_SESSION,
(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_properties (object_class, N_PROPS, properties);
gtk_widget_class_set_css_name (widget_class, "timeruler");
}
static void
sysprof_time_ruler_init (SysprofTimeRuler *self)
{
self->session_signals = g_signal_group_new (SYSPROF_TYPE_SESSION);
g_signal_group_connect_object (self->session_signals,
"notify::selected-time",
G_CALLBACK (sysprof_time_ruler_notify_selected_time_cb),
self,
G_CONNECT_SWAPPED);
g_signal_group_connect_object (self->session_signals,
"notify::visible-time",
G_CALLBACK (sysprof_time_ruler_notify_visible_time_cb),
self,
G_CONNECT_SWAPPED);
g_signal_connect_object (self->session_signals,
"bind",
G_CALLBACK (sysprof_time_ruler_bind_session_cb),
self,
G_CONNECT_SWAPPED);
}
GtkWidget *
sysprof_time_ruler_new (void)
{
return g_object_new (SYSPROF_TYPE_TIME_RULER, NULL);
}
/**
* sysprof_time_ruler_get_session:
* @self: a #SysprofTimeRuler
*
* Returns: (transfer none) (nullable): a #SysprofSession or %NULL
*/
SysprofSession *
sysprof_time_ruler_get_session (SysprofTimeRuler *self)
{
g_return_val_if_fail (SYSPROF_IS_TIME_RULER (self), NULL);
return self->session;
}
void
sysprof_time_ruler_set_session (SysprofTimeRuler *self,
SysprofSession *session)
{
g_return_if_fail (SYSPROF_IS_TIME_RULER (self));
if (g_set_object (&self->session, session))
{
g_signal_group_set_target (self->session_signals, session);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SESSION]);
}
}

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@ -0,0 +1,40 @@
/* sysprof-time-ruler.h
*
* 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
*/
#pragma once
#include "sysprof-session.h"
G_BEGIN_DECLS
#define SYSPROF_TYPE_TIME_RULER (sysprof_time_ruler_get_type())
SYSPROF_AVAILABLE_IN_ALL
G_DECLARE_FINAL_TYPE (SysprofTimeRuler, sysprof_time_ruler, SYSPROF, TIME_RULER, GtkWidget)
SYSPROF_AVAILABLE_IN_ALL
GtkWidget *sysprof_time_ruler_new (void);
SYSPROF_AVAILABLE_IN_ALL
SysprofSession *sysprof_time_ruler_get_session (SysprofTimeRuler *self);
SYSPROF_AVAILABLE_IN_ALL
void sysprof_time_ruler_set_session (SysprofTimeRuler *self,
SysprofSession *session);
G_END_DECLS

View File

@ -207,6 +207,7 @@ test_charts_class_init (TestChartsClass *klass)
g_type_ensure (SYSPROF_TYPE_SESSION_MODEL);
g_type_ensure (SYSPROF_TYPE_SESSION_MODEL_ITEM);
g_type_ensure (SYSPROF_TYPE_DUPLEX_LAYER);
g_type_ensure (SYSPROF_TYPE_TIME_RULER);
}
static void

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@ -148,31 +148,42 @@
</object>
</child>
<child type="end">
<object class="GtkScrolledWindow">
<property name="hscrollbar-policy">never</property>
<object class="GtkBox">
<property name="orientation">vertical</property>
<child>
<object class="GtkListView">
<property name="show-separators">true</property>
<style>
<class name="data-table"/>
</style>
<property name="model">
<object class="GtkNoSelection">
<object class="SysprofTimeRuler" id="ruler">
<binding name="session">
<lookup name="session">TestCharts</lookup>
</binding>
</object>
</child>
<child>
<object class="GtkScrolledWindow">
<property name="hscrollbar-policy">never</property>
<property name="vexpand">true</property>
<child>
<object class="GtkListView">
<property name="show-separators">true</property>
<style>
<class name="data-table"/>
</style>
<property name="model">
<object class="SysprofSessionModel">
<property name="session" bind-source="TestCharts" bind-property="session" bind-flags="sync-create"/>
<binding name="model">
<lookup name="counters" type="SysprofDocument">
<lookup name="document">TestCharts</lookup>
</lookup>
</binding>
<object class="GtkNoSelection">
<property name="model">
<object class="SysprofSessionModel">
<property name="session" bind-source="TestCharts" bind-property="session" bind-flags="sync-create"/>
<binding name="model">
<lookup name="counters" type="SysprofDocument">
<lookup name="document">TestCharts</lookup>
</lookup>
</binding>
</object>
</property>
</object>
</property>
</object>
</property>
<property name="factory">
<object class="GtkBuilderListItemFactory">
<property name="bytes"><![CDATA[
<property name="factory">
<object class="GtkBuilderListItemFactory">
<property name="bytes"><![CDATA[
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<template class="GtkListItem">
@ -251,9 +262,11 @@
</template>
</interface>
]]>
</property>
</object>
</property>
</object>
</property>
</child>
</object>
</child>
</object>