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/*
* glade-gtk-container.c - GladeWidgetAdaptor for GtkContainer
*
* 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 <string.h>
void
glade_gtk_container_post_create (GladeWidgetAdaptor *adaptor,
GObject *container,
GladeCreateReason reason)
{
GList *children;
g_return_if_fail (GTK_IS_CONTAINER (container));
if (reason == GLADE_CREATE_USER)
{
if ((children =
gtk_container_get_children (GTK_CONTAINER (container))) == NULL)
gtk_container_add (GTK_CONTAINER (container), glade_placeholder_new ());
else
g_list_free (children);
}
}
gboolean
glade_gtk_container_add_verify (GladeWidgetAdaptor *adaptor,
GtkWidget *container,
GtkWidget *child,
gboolean user_feedback)
{
GladeWidget *gwidget = glade_widget_get_from_gobject (container);
if (GTK_IS_WINDOW (child))
{
if (user_feedback)
glade_util_ui_message (glade_app_get_window (),
GLADE_UI_INFO, NULL,
_("Cannot add a toplevel window to a container."));
return FALSE;
}
else if (GTK_IS_POPOVER (child))
{
if (user_feedback)
glade_util_ui_message (glade_app_get_window (),
GLADE_UI_INFO, NULL,
_("Cannot add a popover to a container."));
return FALSE;
}
else if (!GTK_IS_WIDGET (child) ||
GTK_IS_TOOL_ITEM (child) ||
GTK_IS_MENU_ITEM (child))
{
if (user_feedback)
glade_util_ui_message (glade_app_get_window (),
GLADE_UI_INFO, NULL,
_("Widgets of type %s can only have widgets as children."),
glade_widget_adaptor_get_title (adaptor));
return FALSE;
}
else if (GTK_IS_BOX (container) || GTK_IS_GRID (container))
/* GtkBox and GtkGrid size is adjusted automaticaly in GladeCommand */
return TRUE;
else if (GLADE_WIDGET_ADAPTOR_USE_PLACEHOLDERS (adaptor) &&
(glade_util_count_placeholders (gwidget) == 0))
{
if (user_feedback)
glade_util_ui_message (glade_app_get_window (),
GLADE_UI_INFO, NULL,
_("Widgets of type %s need placeholders to add children.\n"
"Increase its size or add a container if it only supports one child."),
glade_widget_adaptor_get_title (adaptor));
return FALSE;
}
return TRUE;
}
void
glade_gtk_container_replace_child (GladeWidgetAdaptor *adaptor,
GtkWidget *container,
GtkWidget *current,
GtkWidget *new_widget)
{
GParamSpec **param_spec;
GladePropertyDef *pdef;
GValue *value;
guint nproperties;
guint i;
g_return_if_fail (gtk_widget_get_parent (current) == container);
param_spec = gtk_container_class_list_child_properties
(G_OBJECT_GET_CLASS (container), &nproperties);
value = g_malloc0 (sizeof (GValue) * nproperties);
for (i = 0; i < nproperties; i++)
{
g_value_init (&value[i], param_spec[i]->value_type);
gtk_container_child_get_property
(GTK_CONTAINER (container), current, param_spec[i]->name, &value[i]);
}
gtk_container_remove (GTK_CONTAINER (container), current);
gtk_container_add (GTK_CONTAINER (container), new_widget);
for (i = 0; i < nproperties; i++)
{
/* If the added widget is a placeholder then we
* want to keep all the "transfer-on-paste" properties
* as default so that it looks fresh (transfer-on-paste
* properties don't effect the position/slot inside a
* container)
*/
if (GLADE_IS_PLACEHOLDER (new_widget))
{
pdef = glade_widget_adaptor_get_pack_property_def
(adaptor, param_spec[i]->name);
if (pdef && glade_property_def_transfer_on_paste (pdef))
continue;
}
gtk_container_child_set_property
(GTK_CONTAINER (container), new_widget, param_spec[i]->name,
&value[i]);
}
for (i = 0; i < nproperties; i++)
g_value_unset (&value[i]);
g_free (param_spec);
g_free (value);
}
void
glade_gtk_container_add_child (GladeWidgetAdaptor *adaptor,
GtkWidget *container,
GtkWidget *child)
{
GtkWidget *container_child = NULL;
if (GTK_IS_BIN (container))
container_child = gtk_bin_get_child (GTK_BIN (container));
/* Get a placeholder out of the way before adding the child if its a GtkBin
*/
if (GTK_IS_BIN (container) && container_child != NULL &&
GLADE_IS_PLACEHOLDER (container_child))
gtk_container_remove (GTK_CONTAINER (container), container_child);
gtk_container_add (GTK_CONTAINER (container), child);
}
void
glade_gtk_container_remove_child (GladeWidgetAdaptor *adaptor,
GtkWidget *container,
GtkWidget *child)
{
GList *children;
gtk_container_remove (GTK_CONTAINER (container), child);
/* If this is the last one, add a placeholder by default.
*/
if ((children =
gtk_container_get_children (GTK_CONTAINER (container))) == NULL)
{
gtk_container_add (GTK_CONTAINER (container), glade_placeholder_new ());
}
else
g_list_free (children);
}
void
glade_gtk_container_set_child_property (GladeWidgetAdaptor *adaptor,
GObject *container,
GObject *child,
const gchar *property_name,
const GValue *value)
{
if (gtk_widget_get_parent (GTK_WIDGET (child)) == GTK_WIDGET (container))
gtk_container_child_set_property (GTK_CONTAINER (container),
GTK_WIDGET (child), property_name, value);
}
void
glade_gtk_container_get_child_property (GladeWidgetAdaptor *adaptor,
GObject *container,
GObject *child,
const gchar *property_name,
GValue *value)
{
if (gtk_widget_get_parent (GTK_WIDGET (child)) == GTK_WIDGET (container))
gtk_container_child_get_property (GTK_CONTAINER (container),
GTK_WIDGET (child), property_name, value);
}
GList *
glade_gtk_container_get_children (GladeWidgetAdaptor *adaptor,
GObject *container)
{
GList *parent_children, *children;
children = glade_util_container_get_all_children (GTK_CONTAINER (container));
/* Chain up */
if (GLADE_WIDGET_ADAPTOR_GET_ADAPTOR_CLASS (GTK_TYPE_WIDGET)->get_children)
parent_children = GLADE_WIDGET_ADAPTOR_GET_ADAPTOR_CLASS (GTK_TYPE_WIDGET)->get_children (adaptor, container);
else
parent_children = NULL;
return glade_util_purify_list (g_list_concat (children, parent_children));
}
/* This is used in the XML for some derived classes */
GladeEditable *
glade_gtk_container_create_editable (GladeWidgetAdaptor *adaptor,
GladeEditorPageType type)
{
return GLADE_WIDGET_ADAPTOR_GET_ADAPTOR_CLASS (GTK_TYPE_CONTAINER)->create_editable (adaptor, type);
}
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