/*
* glade-gtk-action-bar.c - GladeWidgetAdaptor for GtkActionBar widget
*
* Copyright (C) 2014 Red Hat, Inc.
*
* Authors:
* Matthias Clasen <mclasen@redhat.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 <gtk/gtk.h>
#include <glib/gi18n-lib.h>
#include <string.h>
#include <gladeui/glade-widget.h>
#include <gladeui/glade-utils.h>
#include "glade-action-bar-editor.h"
#include "glade-gtk.h"
GladeEditable *
glade_gtk_action_bar_create_editable (GladeWidgetAdaptor * adaptor,
GladeEditorPageType type)
{
if (type == GLADE_PAGE_GENERAL)
return (GladeEditable *) glade_action_bar_editor_new ();
return GWA_GET_CLASS (GTK_TYPE_CONTAINER)->create_editable (adaptor, type);
}
static void
glade_gtk_action_bar_parse_finished (GladeProject * project,
GObject * object)
{
GladeWidget *gbox;
gbox = glade_widget_get_from_gobject (object);
glade_widget_property_set (gbox, "use-center-child", gtk_action_bar_get_center_widget (GTK_ACTION_BAR (object)) != NULL);
}
void
glade_gtk_action_bar_post_create (GladeWidgetAdaptor * adaptor,
GObject * container,
GladeCreateReason reason)
{
GladeWidget *gwidget = glade_widget_get_from_gobject (container);
GladeProject *project = glade_widget_get_project (gwidget);
if (reason == GLADE_CREATE_LOAD)
g_signal_connect (project, "parse-finished",
G_CALLBACK (glade_gtk_action_bar_parse_finished),
container);
}
static gint
sort_children (GtkWidget * widget_a, GtkWidget * widget_b, GtkWidget *box)
{
GladeWidget *gwidget_a, *gwidget_b;
gint position_a, position_b;
gwidget_a = glade_widget_get_from_gobject (widget_a);
gwidget_b = glade_widget_get_from_gobject (widget_b);
/* Sort internal children before any other children */
if (box != gtk_widget_get_parent (widget_a))
return -1;
if (box != gtk_widget_get_parent (widget_b))
return 1;
if (gtk_action_bar_get_center_widget (GTK_ACTION_BAR (box)) == widget_a)
return -1;
if (gtk_action_bar_get_center_widget (GTK_ACTION_BAR (box)) == widget_b)
return -1;
if (gwidget_a)
glade_widget_pack_property_get (gwidget_a, "position", &position_a);
else
gtk_container_child_get (GTK_CONTAINER (box),
widget_a, "position", &position_a, NULL);
if (gwidget_b)
glade_widget_pack_property_get (gwidget_b, "position", &position_b);
else
gtk_container_child_get (GTK_CONTAINER (box),
widget_b, "position", &position_b, NULL);
return position_a - position_b;
}
GList *
glade_gtk_action_bar_get_children (GladeWidgetAdaptor * adaptor,
GObject * container)
{
GList *children;
children = GWA_GET_CLASS (GTK_TYPE_CONTAINER)->get_children (adaptor, container);
return g_list_sort_with_data (children, (GCompareDataFunc) sort_children, container);
}
static void
update_position (GtkWidget *widget, gpointer data)
{
GtkContainer *parent = data;
GladeWidget *gwidget;
gint position;
gwidget = glade_widget_get_from_gobject (widget);
if (gwidget)
{
gtk_container_child_get (parent, widget, "position", &position, NULL);
glade_widget_pack_property_set (gwidget, "position", position);
}
}
static void
glade_gtk_action_bar_set_child_position (GObject * container,
GObject * child,
GValue * value)
{
static gboolean recursion = FALSE;
gint new_position, old_position;
if (recursion)
return;
gtk_container_child_get (GTK_CONTAINER (container), GTK_WIDGET (child), "position", &old_position, NULL);
new_position = g_value_get_int (value);
if (old_position == new_position)
return;
recursion = TRUE;
gtk_container_child_set (GTK_CONTAINER (container), GTK_WIDGET (child),
"position", new_position,
NULL);
gtk_container_forall (GTK_CONTAINER (container), update_position, container);
recursion = FALSE;
}
static void
glade_gtk_action_bar_set_child_pack_type (GObject * container,
GObject * child,
GValue * value)
{
GtkPackType pack_type;
pack_type = g_value_get_enum (value);
gtk_container_child_set (GTK_CONTAINER (container), GTK_WIDGET (child), "pack-type", pack_type, NULL);
}
void
glade_gtk_action_bar_set_child_property (GladeWidgetAdaptor * adaptor,
GObject * container,
GObject * child,
const gchar * id,
GValue * value)
{
if (!strcmp (id, "position"))
glade_gtk_action_bar_set_child_position (container, child, value);
else if (!strcmp (id, "pack-type"))
glade_gtk_action_bar_set_child_pack_type (container, child, value);
else
GWA_GET_CLASS (GTK_TYPE_CONTAINER)->child_set_property (adaptor, container,
child, id, value);
gtk_container_check_resize (GTK_CONTAINER (container));
}
static gint
glade_gtk_action_bar_get_num_children (GObject *box)
{
GList *children = gtk_container_get_children (GTK_CONTAINER (box));
gint retval = g_list_length (children);
if (gtk_action_bar_get_center_widget (GTK_ACTION_BAR (box)) != NULL)
retval -= 1;
g_list_free (children);
return retval;
}
void
glade_gtk_action_bar_get_property (GladeWidgetAdaptor * adaptor,
GObject * object,
const gchar * id,
GValue * value)
{
if (!strcmp (id, "use-center-child"))
{
g_value_reset (value);
g_value_set_boolean (value, gtk_action_bar_get_center_widget (GTK_ACTION_BAR (object)) != NULL);
}
else if (!strcmp (id, "size"))
{
g_value_reset (value);
g_value_set_int (value, glade_gtk_action_bar_get_num_children (object));
}
else
GWA_GET_CLASS (GTK_TYPE_CONTAINER)->get_property (adaptor, object, id, value);
}
static gint
glade_gtk_action_bar_get_first_blank (GtkActionBar * box)
{
GList *child, *children;
GladeWidget *gwidget;
gint position;
children = gtk_container_get_children (GTK_CONTAINER (box));
for (child = children, position = 0;
child && child->data; child = child->next, position++)
{
GtkWidget *widget = child->data;
if (widget == gtk_action_bar_get_center_widget (GTK_ACTION_BAR (box)))
continue;
if ((gwidget = glade_widget_get_from_gobject (widget)) != NULL)
{
gint gwidget_position = 0;
GladeProperty *property =
glade_widget_get_pack_property (gwidget, "position");
/* property can be NULL here when project is closing */
if (property)
gwidget_position = g_value_get_int (glade_property_inline_value (property));
if (gwidget_position > position)
break;
}
}
g_list_free (children);
return position;
}
static void
glade_gtk_action_bar_set_size (GObject * object, const GValue * value)
{
GtkActionBar *box;
GList *child, *children;
guint new_size, old_size, i;
box = GTK_ACTION_BAR (object);
if (glade_util_object_is_loading (object))
return;
children = gtk_container_get_children (GTK_CONTAINER (box));
children = g_list_remove (children, gtk_action_bar_get_center_widget (box));
old_size = g_list_length (children);
new_size = g_value_get_int (value);
if (old_size == new_size)
{
g_list_free (children);
return;
}
/* Ensure placeholders first...
*/
for (i = 0; i < new_size; i++)
{
if (g_list_length (children) < (i + 1))
{
GtkWidget *placeholder = glade_placeholder_new ();
gint blank = glade_gtk_action_bar_get_first_blank (box);
gtk_container_add (GTK_CONTAINER (box), placeholder);
gtk_container_child_set (GTK_CONTAINER (box), placeholder, "position", blank, NULL);
}
}
/* The box has shrunk. Remove the widgets that are on those slots */
for (child = g_list_last (children);
child && old_size > new_size; child = g_list_previous (child))
{
GtkWidget *child_widget = child->data;
/* Refuse to remove any widgets that are either GladeWidget objects
* or internal to the hierarchic entity (may be a composite widget,
* not all internal widgets have GladeWidgets).
*/
if (glade_widget_get_from_gobject (child_widget) ||
GLADE_IS_PLACEHOLDER (child_widget) == FALSE)
continue;
gtk_container_remove (GTK_CONTAINER (box), child_widget);
old_size--;
}
g_list_free (children);
}
void
glade_gtk_action_bar_set_property (GladeWidgetAdaptor * adaptor,
GObject * object,
const gchar * id,
const GValue * value)
{
if (!strcmp (id, "use-center-child"))
{
GtkWidget *child;
if (g_value_get_boolean (value))
{
child = gtk_action_bar_get_center_widget (GTK_ACTION_BAR (object));
if (!child)
child = glade_placeholder_new ();
g_object_set_data (G_OBJECT (child), "special-child-type", "center");
}
else
child = NULL;
gtk_action_bar_set_center_widget (GTK_ACTION_BAR (object), child);
}
else if (!strcmp (id, "size"))
glade_gtk_action_bar_set_size (object, value);
else
GWA_GET_CLASS (GTK_TYPE_CONTAINER)->set_property (adaptor, object, id, value);
}
static gboolean
glade_gtk_action_bar_verify_size (GObject *object, const GValue *value)
{
GList *child, *children;
gint old_size, count = 0;
gint new_size = g_value_get_int (value);
children = gtk_container_get_children (GTK_CONTAINER (object));
children = g_list_remove (children, gtk_action_bar_get_center_widget (GTK_ACTION_BAR (object)));
old_size = g_list_length (children);
for (child = g_list_last (children);
child && old_size > new_size;
child = g_list_previous (child))
{
GtkWidget *widget = child->data;
if (glade_widget_get_from_gobject (widget) != NULL)
count++;
else
old_size--;
}
g_list_free (children);
return count > new_size ? FALSE : new_size >= 0;
}
gboolean
glade_gtk_action_bar_verify_property (GladeWidgetAdaptor * adaptor,
GObject * object,
const gchar * id,
const GValue * value)
{
if (!strcmp (id, "size"))
return glade_gtk_action_bar_verify_size (object, value);
else if (GWA_GET_CLASS (GTK_TYPE_CONTAINER)->verify_property)
return GWA_GET_CLASS (GTK_TYPE_CONTAINER)->verify_property (adaptor, object, id, value);
return TRUE;
}
void
glade_gtk_action_bar_add_child (GladeWidgetAdaptor * adaptor,
GObject * object,
GObject * child)
{
GladeWidget *gbox, *gchild;
gint num_children;
gchar *special_child_type;
gbox = glade_widget_get_from_gobject (object);
special_child_type = g_object_get_data (child, "special-child-type");
if (special_child_type && !strcmp (special_child_type, "center"))
{
gtk_action_bar_set_center_widget (GTK_ACTION_BAR (object), GTK_WIDGET (child));
return;
}
/*
Try to remove the last placeholder if any, this way GtkBox`s size
will not be changed.
*/
if (!glade_widget_superuser () && !GLADE_IS_PLACEHOLDER (child))
{
GList *l, *children;
children = gtk_container_get_children (GTK_CONTAINER (object));
for (l = g_list_last (children); l; l = g_list_previous (l))
{
GtkWidget *child_widget = l->data;
if (GLADE_IS_PLACEHOLDER (child_widget))
{
gtk_container_remove (GTK_CONTAINER (object), child_widget);
break;
}
}
g_list_free (children);
}
gtk_container_add (GTK_CONTAINER (object), GTK_WIDGET (child));
num_children = glade_gtk_action_bar_get_num_children (object);
glade_widget_property_set (gbox, "size", num_children);
if (glade_widget_superuser ())
return;
gchild = glade_widget_get_from_gobject (child);
/* Packing props arent around when parenting during a glade_widget_dup() */
if (gchild && glade_widget_get_packing_properties (gchild))
glade_widget_pack_property_set (gchild, "position", num_children - 1);
}
void
glade_gtk_action_bar_remove_child (GladeWidgetAdaptor * adaptor,
GObject * object,
GObject * child)
{
GladeWidget *gbox;
gint size;
gchar *special_child_type;
gbox = glade_widget_get_from_gobject (object);
special_child_type = g_object_get_data (child, "special-child-type");
if (special_child_type && !strcmp (special_child_type, "center"))
{
GtkWidget *w;
w = glade_placeholder_new ();
g_object_set_data (G_OBJECT (w), "special-child-type", "center");
gtk_action_bar_set_center_widget (GTK_ACTION_BAR (object), w);
return;
}
gtk_container_remove (GTK_CONTAINER (object), GTK_WIDGET (child));
if (!glade_widget_superuser ())
{
glade_widget_property_get (gbox, "size", &size);
glade_widget_property_set (gbox, "size", size);
}
}
void
glade_gtk_action_bar_replace_child (GladeWidgetAdaptor * adaptor,
GObject * container,
GObject * current,
GObject * new_widget)
{
gint position;
GtkPackType pack_type;
gchar *special_child_type;
special_child_type =
g_object_get_data (G_OBJECT (current), "special-child-type");
if (special_child_type && !strcmp (special_child_type, "center"))
{
g_object_set_data (G_OBJECT (new_widget), "special-child-type", "center");
gtk_action_bar_set_center_widget (GTK_ACTION_BAR (container), GTK_WIDGET (new_widget));
return;
}
gtk_container_child_get (GTK_CONTAINER (container),
GTK_WIDGET (current),
"position", &position,
"pack-type", &pack_type,
NULL);
gtk_container_remove (GTK_CONTAINER (container), GTK_WIDGET (current));
gtk_container_add (GTK_CONTAINER (container), GTK_WIDGET (new_widget));
gtk_container_child_set (GTK_CONTAINER (container),
GTK_WIDGET (new_widget),
"position", position,
"pack-type", pack_type,
NULL);
}