/*

 * glade-gtk-fixed-layout.c - GladeWidgetAdaptor for GtkFixed and GtkLayout

 *

 * Copyright (C) 2013 Tristan Van Berkom

 *

 * Authors:

 *      Tristan Van Berkom <tristan.van.berkom@gmail.com>

 *

 * This library 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 2.1 of

 * the License, or (at your option) any later version.

 *

 * This library 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.

 */

#include <config.h>

#include <glib/gi18n-lib.h>

#include <gladeui/glade.h>

#include "glade-layout-editor.h"

GladeEditable *

glade_gtk_layout_create_editable (GladeWidgetAdaptor * adaptor,

				  GladeEditorPageType type)

{

  if (type == GLADE_PAGE_GENERAL)

    {

      return (GladeEditable *)glade_layout_editor_new ();

    }

  return GWA_GET_CLASS (GTK_TYPE_CONTAINER)->create_editable (adaptor, type);

}

static void

glade_gtk_fixed_layout_sync_size_requests (GtkWidget * widget)

{

  GList *children, *l;

  if ((children = gtk_container_get_children (GTK_CONTAINER (widget))) != NULL)

    {

      for (l = children; l; l = l->next)

        {

          GtkWidget *child = l->data;

          GladeWidget *gchild = glade_widget_get_from_gobject (child);

          gint width = -1, height = -1;

          if (!gchild)

            continue;

          glade_widget_property_get (gchild, "width-request", &width);

          glade_widget_property_get (gchild, "height-request", &height);

          gtk_widget_set_size_request (child, width, height);

        }

      g_list_free (children);

    }

}

static cairo_pattern_t *

get_fixed_layout_pattern (void)

{

  static cairo_pattern_t *static_pattern = NULL;

  if (!static_pattern)

    {

      gchar *path = g_build_filename (glade_app_get_pixmaps_dir (), "fixed-bg.png", NULL);

      cairo_surface_t *surface = 

	cairo_image_surface_create_from_png (path);

      if (surface)

	{

	  static_pattern = cairo_pattern_create_for_surface (surface);

	  cairo_pattern_set_extend (static_pattern, CAIRO_EXTEND_REPEAT);

	}

      else 

	g_warning ("Failed to create surface for %s\n", path);

      g_free (path);

    }

  return static_pattern;

}

static void

glade_gtk_fixed_layout_draw (GtkWidget *widget, cairo_t *cr)

{

  GtkAllocation allocation;

  gtk_widget_get_allocation (widget, &allocation);

  cairo_save (cr);

  cairo_rectangle (cr, 0, 0, allocation.width, allocation.height);

  cairo_set_source (cr, get_fixed_layout_pattern ());

  cairo_fill (cr);

  cairo_restore (cr);

}

void

glade_gtk_fixed_layout_post_create (GladeWidgetAdaptor * adaptor,

                                    GObject * object, GladeCreateReason reason)

{

  /* Set a minimun size so you can actually see it if you added to a box */

  gtk_widget_set_size_request (GTK_WIDGET (object), 32, 32);

  gtk_widget_set_has_window (GTK_WIDGET (object), TRUE);

  /* Sync up size request at project load time */

  if (reason == GLADE_CREATE_LOAD)

    g_signal_connect_after (object, "realize",

                            G_CALLBACK

                            (glade_gtk_fixed_layout_sync_size_requests), NULL);

  g_signal_connect (object, "draw",

		    G_CALLBACK (glade_gtk_fixed_layout_draw), NULL);

}

void

glade_gtk_fixed_layout_add_child (GladeWidgetAdaptor * adaptor,

                                  GObject * object, GObject * child)

{

  g_return_if_fail (GTK_IS_CONTAINER (object));

  g_return_if_fail (GTK_IS_WIDGET (child));

  gtk_container_add (GTK_CONTAINER (object), GTK_WIDGET (child));

}

void

glade_gtk_fixed_layout_remove_child (GladeWidgetAdaptor * adaptor,

                                     GObject * object, GObject * child)

{

  g_return_if_fail (GTK_IS_CONTAINER (object));

  g_return_if_fail (GTK_IS_WIDGET (child));

  gtk_container_remove (GTK_CONTAINER (object), GTK_WIDGET (child));

}