libsysprof-ui: start on new tabbed design

src/libsysprof-ui/sysprof-notebook.c

@@ -0,0 +1,167 @@
+/* sysprof-notebook.c
+ *
+ * Copyright 2019 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
+ */
+
+#define G_LOG_DOMAIN "sysprof-notebook"
+
+#include "config.h"
+
+#include "sysprof-display.h"
+#include "sysprof-notebook.h"
+#include "sysprof-tab.h"
+
+typedef struct
+{
+  void *dummy;
+} SysprofNotebookPrivate;
+
+G_DEFINE_TYPE_WITH_PRIVATE (SysprofNotebook, sysprof_notebook, GTK_TYPE_NOTEBOOK)
+
+enum {
+  PROP_0,
+  N_PROPS
+};
+
+static GParamSpec *properties [N_PROPS];
+
+/**
+ * sysprof_notebook_new:
+ *
+ * Create a new #SysprofNotebook.
+ *
+ * Returns: (transfer full): a newly created #SysprofNotebook
+ *
+ * Since: 3.34
+ */
+GtkWidget *
+sysprof_notebook_new (void)
+{
+  return g_object_new (SYSPROF_TYPE_NOTEBOOK, NULL);
+}
+
+static void
+sysprof_notebook_page_added (GtkNotebook *notebook,
+                             GtkWidget   *child,
+                             guint        page_num)
+{
+  g_assert (SYSPROF_IS_NOTEBOOK (notebook));
+  g_assert (GTK_IS_WIDGET (child));
+
+  if (SYSPROF_IS_DISPLAY (child))
+    {
+      GtkWidget *tab = sysprof_tab_new (SYSPROF_DISPLAY (child));
+
+      gtk_notebook_set_tab_label (notebook, child, tab);
+      gtk_notebook_set_tab_reorderable (notebook, child, TRUE);
+    }
+
+  gtk_notebook_set_show_tabs (notebook,
+                              gtk_notebook_get_n_pages (notebook) > 1);
+}
+
+static void
+sysprof_notebook_page_removed (GtkNotebook *notebook,
+                               GtkWidget   *child,
+                               guint        page_num)
+{
+  g_assert (SYSPROF_IS_NOTEBOOK (notebook));
+  g_assert (GTK_IS_WIDGET (child));
+
+  if (gtk_notebook_get_n_pages (notebook) == 0)
+    {
+      child = sysprof_display_new ();
+      gtk_container_add (GTK_CONTAINER (notebook), child);
+      gtk_widget_show (child);
+    }
+
+  gtk_notebook_set_show_tabs (notebook,
+                              gtk_notebook_get_n_pages (notebook) > 1);
+}
+
+static void
+sysprof_notebook_finalize (GObject *object)
+{
+  SysprofNotebook *self = (SysprofNotebook *)object;
+  SysprofNotebookPrivate *priv = sysprof_notebook_get_instance_private (self);
+
+  G_OBJECT_CLASS (sysprof_notebook_parent_class)->finalize (object);
+}
+
+static void
+sysprof_notebook_get_property (GObject    *object,
+                               guint       prop_id,
+                               GValue     *value,
+                               GParamSpec *pspec)
+{
+  SysprofNotebook *self = SYSPROF_NOTEBOOK (object);
+
+  switch (prop_id)
+    {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+sysprof_notebook_set_property (GObject      *object,
+                               guint         prop_id,
+                               const GValue *value,
+                               GParamSpec   *pspec)
+{
+  SysprofNotebook *self = SYSPROF_NOTEBOOK (object);
+
+  switch (prop_id)
+    {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+sysprof_notebook_class_init (SysprofNotebookClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GtkNotebookClass *notebook_class = GTK_NOTEBOOK_CLASS (klass);
+
+  object_class->finalize = sysprof_notebook_finalize;
+  object_class->get_property = sysprof_notebook_get_property;
+  object_class->set_property = sysprof_notebook_set_property;
+
+  notebook_class->page_added = sysprof_notebook_page_added;
+  notebook_class->page_removed = sysprof_notebook_page_removed;
+}
+
+static void
+sysprof_notebook_init (SysprofNotebook *self)
+{
+  gtk_notebook_set_show_border (GTK_NOTEBOOK (self), FALSE);
+  gtk_notebook_set_scrollable (GTK_NOTEBOOK (self), TRUE);
+  gtk_notebook_popup_enable (GTK_NOTEBOOK (self));
+}
+
+void
+sysprof_notebook_close_current (SysprofNotebook *self)
+{
+  gint page;
+
+  g_return_if_fail (SYSPROF_IS_NOTEBOOK (self));
+
+  if ((page = gtk_notebook_get_current_page (GTK_NOTEBOOK (self))) >= 0)
+    gtk_widget_destroy (gtk_notebook_get_nth_page (GTK_NOTEBOOK (self), page));
+}