[libgd/wip/rishi/main-box: 2/10] Add GdMainBoxChild

[Debarshi Ray <debarshir src gnome org>]

commit 5823b8384de0b7124b55c53e6c2254b035b2ff34
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Nov 25 17:10:44 2016 +0100

    Add GdMainBoxChild
    
    This is the interface that a GtkWidget must implement to be able to
    render a single GdMainBoxItem.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=774914

 libgd/gd-main-box-child.c |  163 +++++++++++++++++++++++++++++++++++++++++++++
 libgd/gd-main-box-child.h |   53 +++++++++++++++
 2 files changed, 216 insertions(+), 0 deletions(-)
---
diff --git a/libgd/gd-main-box-child.c b/libgd/gd-main-box-child.c
new file mode 100644
index 0000000..dab5bb2
--- /dev/null
+++ b/libgd/gd-main-box-child.c
@@ -0,0 +1,163 @@
+/*
+ * Copyright (c) 2016 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by 
+ * the Free Software Foundation; either version 2 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 Lesser General Public 
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Author: Debarshi Ray <debarshir gnome org>
+ *
+ */
+
+#include "gd-main-box-child.h"
+
+G_DEFINE_INTERFACE (GdMainBoxChild, gd_main_box_child, GTK_TYPE_WIDGET)
+
+static void
+gd_main_box_child_default_init (GdMainBoxChildInterface *iface)
+{
+  GParamSpec *pspec;
+
+  /**
+   * GdMainBoxChild:item:
+   *
+   * A #GdMainBoxItem that is rendered by the #GdMainBoxChild widget.
+   */
+  pspec = g_param_spec_object ("item",
+                               "Item",
+                               "An item that is rendered by the widget",
+                               GD_TYPE_MAIN_BOX_ITEM,
+                               G_PARAM_CONSTRUCT_ONLY |
+                               G_PARAM_EXPLICIT_NOTIFY |
+                               G_PARAM_READWRITE |
+                               G_PARAM_STATIC_STRINGS);
+  g_object_interface_install_property (iface, pspec);
+
+  /**
+   * GdMainBoxChild:selection-mode:
+   *
+   * Whether the #GdMainBoxChild widget is in selection mode.
+   */
+  pspec = g_param_spec_boolean ("selection-mode",
+                                "Selection mode",
+                                "Whether the child is in selection mode",
+                                FALSE,
+                                G_PARAM_CONSTRUCT |
+                                G_PARAM_EXPLICIT_NOTIFY |
+                                G_PARAM_READWRITE |
+                                G_PARAM_STATIC_STRINGS);
+  g_object_interface_install_property (iface, pspec);
+}
+
+/**
+ * gd_main_box_child_get_item:
+ * @self:
+ *
+ * Returns: (transfer none): The #GdMainBoxItem
+ */
+GdMainBoxItem *
+gd_main_box_child_get_item (GdMainBoxChild *self)
+{
+  GdMainBoxItem *item;
+
+  g_return_val_if_fail (GD_IS_MAIN_BOX_CHILD (self), NULL);
+
+  g_object_get (self, "item", &item, NULL);
+
+  if (item != NULL)
+    g_object_unref (item);
+
+  return item;
+}
+
+/**
+ * gd_main_box_child_get_index:
+ * @self:
+ *
+ * Returns: (transfer none): The index
+ */
+gint
+gd_main_box_child_get_index (GdMainBoxChild *self)
+{
+  GdMainBoxChildInterface *iface;
+
+  g_return_val_if_fail (GD_IS_MAIN_BOX_CHILD (self), -1);
+
+  iface = GD_MAIN_BOX_CHILD_GET_IFACE (self);
+
+  return (* iface->get_index) (self);
+}
+
+/**
+ * gd_main_box_child_get_selected:
+ * @self:
+ *
+ * Returns: (transfer none): Whether @self is selected
+ */
+gboolean
+gd_main_box_child_get_selected (GdMainBoxChild *self)
+{
+  GdMainBoxChildInterface *iface;
+
+  g_return_val_if_fail (GD_IS_MAIN_BOX_CHILD (self), FALSE);
+
+  iface = GD_MAIN_BOX_CHILD_GET_IFACE (self);
+
+  return (* iface->get_selected) (self);
+}
+
+/**
+ * gd_main_box_child_get_selection_mode:
+ * @self:
+ *
+ * Returns: (transfer none): Whether @self is in selection mode
+ */
+gboolean
+gd_main_box_child_get_selection_mode (GdMainBoxChild *self)
+{
+  gboolean selection_mode;
+
+  g_return_val_if_fail (GD_IS_MAIN_BOX_CHILD (self), FALSE);
+
+  g_object_get (self, "selection-mode", &selection_mode, NULL);
+  return selection_mode;
+}
+
+/**
+ * gd_main_box_child_set_selected:
+ * @self:
+ * @selected:
+ */
+void
+gd_main_box_child_set_selected (GdMainBoxChild *self, gboolean selected)
+{
+  GdMainBoxChildInterface *iface;
+
+  g_return_if_fail (GD_IS_MAIN_BOX_CHILD (self));
+
+  iface = GD_MAIN_BOX_CHILD_GET_IFACE (self);
+
+  return (* iface->set_selected) (self, selected);
+}
+
+/**
+ * gd_main_box_child_set_selection_mode:
+ * @self:
+ * @selection_mode:
+ */
+void
+gd_main_box_child_set_selection_mode  (GdMainBoxChild *self, gboolean selection_mode)
+{
+  g_return_if_fail (GD_IS_MAIN_BOX_CHILD (self));
+  g_object_set (self, "selection-mode", selection_mode, NULL);
+}
diff --git a/libgd/gd-main-box-child.h b/libgd/gd-main-box-child.h
new file mode 100644
index 0000000..2370d34
--- /dev/null
+++ b/libgd/gd-main-box-child.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2016 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by 
+ * the Free Software Foundation; either version 2 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 Lesser General Public 
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Author: Debarshi Ray <debarshir gnome org>
+ *
+ */
+
+#ifndef __GD_MAIN_BOX_CHILD_H__
+#define __GD_MAIN_BOX_CHILD_H__
+
+#include <gtk/gtk.h>
+
+#include "gd-main-box-item.h"
+
+G_BEGIN_DECLS
+
+#define GD_TYPE_MAIN_BOX_CHILD gd_main_box_child_get_type()
+G_DECLARE_INTERFACE (GdMainBoxChild, gd_main_box_child, GD, MAIN_BOX_CHILD, GtkWidget)
+
+struct _GdMainBoxChildInterface
+{
+  GTypeInterface base_iface;
+
+  /* vtable */
+  gint        (* get_index)     (GdMainBoxChild *self);
+  gboolean    (* get_selected)  (GdMainBoxChild *self);
+  void        (* set_selected)  (GdMainBoxChild *self, gboolean selected);
+};
+
+GdMainBoxItem  * gd_main_box_child_get_item            (GdMainBoxChild *self);
+gint             gd_main_box_child_get_index           (GdMainBoxChild *self);
+gboolean         gd_main_box_child_get_selected        (GdMainBoxChild *self);
+gboolean         gd_main_box_child_get_selection_mode  (GdMainBoxChild *self);
+void             gd_main_box_child_set_selected        (GdMainBoxChild *self, gboolean selected);
+void             gd_main_box_child_set_selection_mode  (GdMainBoxChild *self, gboolean selection_mode);
+
+G_END_DECLS
+
+#endif /* __GD_MAIN_BOX_CHILD_H__ */