sysprof: add pair helper

src/sysprof/meson.build

@@ -30,6 +30,7 @@ sysprof_sources = [
   'sysprof-metadata-section.c',
   'sysprof-normalized-series-item.c',
   'sysprof-normalized-series.c',
+  'sysprof-pair.c',
   'sysprof-process-dialog.c',
   'sysprof-processes-section.c',
   'sysprof-progress-cell.c',

src/sysprof/sysprof-pair.c

@@ -0,0 +1,125 @@
+/* sysprof-pair.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-pair.h"
+
+struct _SysprofPair
+{
+  GObject  parent_instance;
+  GObject *first;
+  GObject *second;
+};
+
+enum {
+  PROP_0,
+  PROP_FIRST,
+  PROP_SECOND,
+  N_PROPS
+};
+
+G_DEFINE_FINAL_TYPE (SysprofPair, sysprof_pair, G_TYPE_OBJECT)
+
+static GParamSpec *properties [N_PROPS];
+
+static void
+sysprof_pair_finalize (GObject *object)
+{
+  SysprofPair *self = (SysprofPair *)object;
+
+  g_clear_object (&self->first);
+  g_clear_object (&self->second);
+
+  G_OBJECT_CLASS (sysprof_pair_parent_class)->finalize (object);
+}
+
+static void
+sysprof_pair_get_property (GObject    *object,
+                           guint       prop_id,
+                           GValue     *value,
+                           GParamSpec *pspec)
+{
+  SysprofPair *self = SYSPROF_PAIR (object);
+
+  switch (prop_id)
+    {
+    case PROP_FIRST:
+      g_value_set_object (value, self->first);
+      break;
+
+    case PROP_SECOND:
+      g_value_set_object (value, self->second);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+sysprof_pair_set_property (GObject      *object,
+                           guint         prop_id,
+                           const GValue *value,
+                           GParamSpec   *pspec)
+{
+  SysprofPair *self = SYSPROF_PAIR (object);
+
+  switch (prop_id)
+    {
+    case PROP_FIRST:
+      self->first = g_value_dup_object (value);
+      break;
+
+    case PROP_SECOND:
+      self->second = g_value_dup_object (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+sysprof_pair_class_init (SysprofPairClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->finalize = sysprof_pair_finalize;
+  object_class->get_property = sysprof_pair_get_property;
+  object_class->set_property = sysprof_pair_set_property;
+
+  properties [PROP_FIRST] =
+    g_param_spec_object ("first", NULL, NULL,
+                         G_TYPE_OBJECT,
+                         (G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
+
+  properties [PROP_SECOND] =
+    g_param_spec_object ("second", NULL, NULL,
+                         G_TYPE_OBJECT,
+                         (G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_properties (object_class, N_PROPS, properties);
+}
+
+static void
+sysprof_pair_init (SysprofPair *self)
+{
+}

src/sysprof/sysprof-pair.h

@@ -0,0 +1,31 @@
+/* sysprof-pair.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 <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define SYSPROF_TYPE_PAIR (sysprof_pair_get_type())
+
+G_DECLARE_FINAL_TYPE (SysprofPair, sysprof_pair, SYSPROF, PAIR, GObject)
+
+G_END_DECLS