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/* ev-loading-message.c
* this file is part of atril, a mate document viewer
*
* Copyright (C) 2010, 2012 Carlos Garcia Campos <carlosgc@gnome.org>
*
* Atril 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 2 of the License, or
* (at your option) any later version.
*
* Atril 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "ev-loading-message.h"
#include <string.h>
#include <glib/gi18n.h>
struct _EvLoadingMessage {
GtkBox base_instance;
GtkWidget *spinner;
};
struct _EvLoadingMessageClass {
GtkBoxClass base_class;
};
G_DEFINE_TYPE (EvLoadingMessage, ev_loading_message, GTK_TYPE_BOX)
static void
ev_loading_message_init (EvLoadingMessage *message)
{
GtkWidget *label;
gtk_container_set_border_width (GTK_CONTAINER (message), 10);
message->spinner = gtk_spinner_new ();
gtk_box_pack_start (GTK_BOX (message), message->spinner, FALSE, FALSE, 0);
gtk_widget_show (message->spinner);
label = gtk_label_new (_("Loading…"));
gtk_box_pack_start (GTK_BOX (message), label, FALSE, FALSE, 0);
gtk_widget_show (label);
}
static void
get_widget_padding (GtkWidget *widget,
GtkBorder *padding)
{
GtkStyleContext *context;
GtkStateFlags state;
context = gtk_widget_get_style_context (widget);
state = gtk_style_context_get_state (context);
gtk_style_context_get_padding (context, state, padding);
}
static void
ev_loading_message_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkAllocation child_allocation;
GtkBorder padding;
get_widget_padding (widget, &padding);
child_allocation.y = allocation->x + padding.left;
child_allocation.x = allocation->y + padding.top;
child_allocation.width = MAX (1, allocation->width - (padding.left + padding.right));
child_allocation.height = MAX (1, allocation->height - (padding.top + padding.bottom));
GTK_WIDGET_CLASS (ev_loading_message_parent_class)->size_allocate (widget, &child_allocation);
gtk_widget_set_allocation (widget, allocation);
}
static void
ev_loading_message_get_preferred_width (GtkWidget *widget,
gint *minimum_size,
gint *natural_size)
{
GtkBorder padding;
GTK_WIDGET_CLASS (ev_loading_message_parent_class)->get_preferred_width (widget, minimum_size, natural_size);
get_widget_padding (widget, &padding);
*minimum_size += padding.left + padding.right;
*natural_size += padding.left + padding.right;
}
static void
ev_loading_message_get_preferred_height (GtkWidget *widget,
gint *minimum_size,
gint *natural_size)
{
GtkBorder padding;
GTK_WIDGET_CLASS (ev_loading_message_parent_class)->get_preferred_height (widget, minimum_size, natural_size);
get_widget_padding (widget, &padding);
*minimum_size += padding.top + padding.bottom;
*natural_size += padding.top + padding.bottom;
}
static gboolean
ev_loading_message_draw (GtkWidget *widget,
cairo_t *cr)
{
GtkStyleContext *context;
gint width, height;
context = gtk_widget_get_style_context (widget);
width = gtk_widget_get_allocated_width (widget);
height = gtk_widget_get_allocated_height (widget);
gtk_render_background (context, cr, 0, 0, width, height);
gtk_render_frame (context, cr, 0, 0, width, height);
GTK_WIDGET_CLASS (ev_loading_message_parent_class)->draw (widget, cr);
return TRUE;
}
static void
ev_loading_message_hide (GtkWidget *widget)
{
EvLoadingMessage *message = EV_LOADING_MESSAGE (widget);
gtk_spinner_stop (GTK_SPINNER (message->spinner));
GTK_WIDGET_CLASS (ev_loading_message_parent_class)->hide (widget);
}
static void
ev_loading_message_show (GtkWidget *widget)
{
EvLoadingMessage *message = EV_LOADING_MESSAGE (widget);
gtk_spinner_start (GTK_SPINNER (message->spinner));
GTK_WIDGET_CLASS (ev_loading_message_parent_class)->show (widget);
}
static void
ev_loading_message_class_init (EvLoadingMessageClass *klass)
{
GtkWidgetClass *gtk_widget_class = GTK_WIDGET_CLASS (klass);
gtk_widget_class->size_allocate = ev_loading_message_size_allocate;
gtk_widget_class->get_preferred_width = ev_loading_message_get_preferred_width;
gtk_widget_class->get_preferred_height = ev_loading_message_get_preferred_height;
gtk_widget_class->draw = ev_loading_message_draw;
gtk_widget_class->show = ev_loading_message_show;
gtk_widget_class->hide = ev_loading_message_hide;
}
/* Public methods */
GtkWidget *
ev_loading_message_new (void)
{
GtkWidget *message;
message = g_object_new (EV_TYPE_LOADING_MESSAGE,
"orientation", GTK_ORIENTATION_HORIZONTAL,
"spacing", 12,
NULL);
return message;
}
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