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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 *  Authors: Michael Zucchi <notzed@ximian.com>
 *
 *  Copyright 2004 Novell Inc. (www.novell.com)
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of version 2 of the GNU General Public
 *  License as published by the Free Software Foundation.
 *
 *  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 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.
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>
#include <gtk/gtkimage.h>

#include "e-info-label.h"
#include <gtk/gtklabel.h>

#include <e-util/e-icon-factory.h>

static GtkHBoxClass *el_parent;

static void
el_init(GObject *o)
{
    /*EInfoLabel *el = (EInfoLabel *)o;*/
}

static void
el_finalise(GObject *o)
{
    ((GObjectClass *)el_parent)->finalize(o);
}

static void
el_destroy (GtkObject *o)
{
    ((EInfoLabel *)o)->location = NULL;
    ((EInfoLabel *)o)->info = NULL;

    ((GtkObjectClass *)el_parent)->destroy(o);
}

static int
el_expose_event(GtkWidget *w, GdkEventExpose *event)
{
    int x = ((GtkContainer *)w)->border_width;

    /* This seems a hack to me, but playing with styles wouldn't affect the background */
    gtk_paint_flat_box(w->style, w->window,
               GTK_STATE_ACTIVE, GTK_SHADOW_NONE,
               &event->area, w, "EInfoLabel",
               w->allocation.x+x, w->allocation.y+x,
               w->allocation.width-x*2, w->allocation.height-x*2);

    return ((GtkWidgetClass *)el_parent)->expose_event(w, event);
}

static void
el_class_init(GObjectClass *klass)
{
    klass->finalize = el_finalise;
    
    ((GtkObjectClass *)klass)->destroy = el_destroy;
    ((GtkWidgetClass *)klass)->expose_event = el_expose_event;
}

GType
e_info_label_get_type(void)
{
    static GType type = 0;

    if (type == 0) {
        static const GTypeInfo info = {
            sizeof(EInfoLabelClass),
            NULL, NULL,
            (GClassInitFunc)el_class_init,
            NULL, NULL,
            sizeof(EInfoLabel), 0,
            (GInstanceInitFunc)el_init
        };
        el_parent = g_type_class_ref(gtk_hbox_get_type());
        type = g_type_register_static(gtk_hbox_get_type(), "EInfoLabel", &info, 0);
    }

    return type;
}

/**
 * e_info_label_new:
 * @icon: 
 * 
 * Create a new info label widget.  @icon is the name of the icon
 * (from the icon theme) to use for the icon image.
 * 
 * Return value: 
 **/
GtkWidget *
e_info_label_new(const char *icon)
{
    EInfoLabel *el = g_object_new(e_info_label_get_type(), 0);
    GtkWidget *image;
    char *name = e_icon_factory_get_icon_filename (icon, E_ICON_SIZE_MENU);
    
    image = gtk_image_new_from_file(name);
    g_free(name);
    gtk_misc_set_padding((GtkMisc *)image, 6, 6);
    gtk_box_pack_start((GtkBox *)el, image, FALSE, TRUE, 0);
    gtk_widget_show(image);

    gtk_container_set_border_width((GtkContainer *)el, 3);

    return (GtkWidget *)el;
}

/**
 * e_info_label_set_info:
 * @el: 
 * @location: 
 * @info: 
 * 
 * Set the information to show on the label.  @location is some
 * context about the current view.  e.g. the folder name.  If the
 * label is too wide, this will be truncated.
 *
 * @info is some info about this location.
 **/
void
e_info_label_set_info(EInfoLabel *el, const char *location, const char *info)
{
    gchar *markup;

    if (el->location == NULL) {
        el->location = gtk_label_new (NULL);
        el->info = gtk_label_new (NULL);

        gtk_label_set_ellipsize (
            GTK_LABEL (el->location), PANGO_ELLIPSIZE_END);
        gtk_misc_set_alignment (GTK_MISC (el->location), 0.0, 0.0);
        gtk_misc_set_padding (GTK_MISC (el->location), 0, 6);
        gtk_misc_set_alignment (GTK_MISC (el->info), 0.0, 1.0);
        gtk_misc_set_padding (GTK_MISC (el->info), 0, 6);

        gtk_widget_show (el->location);
        gtk_widget_show (el->info);

        gtk_box_pack_start (
            GTK_BOX (el), GTK_WIDGET (el->location),
            TRUE, TRUE, 0);
        gtk_box_pack_end (
            GTK_BOX (el), GTK_WIDGET (el->info),
            FALSE, TRUE, 6);
        gtk_widget_set_state (GTK_WIDGET (el), GTK_STATE_ACTIVE);
    }

    markup = g_markup_printf_escaped ("<b>%s</b>", location);
    gtk_label_set_markup (GTK_LABEL (el->location), markup);
    g_free (markup);

    markup = g_markup_printf_escaped ("<small>%s</small>", info);
    gtk_label_set_markup (GTK_LABEL (el->info), markup);
    g_free (markup);
}