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/*
* This program 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 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* Michael Zucchi <notzed@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include "e-info-label.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 int
get_text_full_width (GtkWidget *label)
{
PangoLayout *layout;
PangoRectangle rect;
int width;
g_return_val_if_fail (GTK_IS_LABEL (label), 0);
layout = gtk_label_get_layout (GTK_LABEL (label));
if (!layout)
return 0;
width = pango_layout_get_width (layout);
pango_layout_set_width (layout, -1);
pango_layout_get_extents (layout, NULL, &rect);
pango_layout_set_width (layout, width);
return PANGO_PIXELS (rect.width);
}
static void
el_size_allocate (GtkWidget *widget, GtkAllocation *pallocation)
{
EInfoLabel *el;
GtkAllocation allocation;
int full_loc, full_nfo;
gint diff;
/* let calculate parent class first, and then just make it not divide evenly */
((GtkWidgetClass *)el_parent)->size_allocate (widget, pallocation);
g_return_if_fail (widget!= NULL);
el = (EInfoLabel*) widget;
if (!el->location)
return;
full_loc = get_text_full_width (el->location) + 1;
full_nfo = get_text_full_width (el->info) + 1;
/* do not know the width of text, thus return */
if (full_loc == 1 && full_nfo == 1)
return;
if (el->location->allocation.width + el->info->allocation.width >= full_loc + full_nfo) {
/* allocate for location only as many pixels as it requires to not ellipsize
and keep rest for the info part */
diff = el->location->allocation.width - full_loc;
} else {
/* make both shorter, but based on the ratio of its full widths */
gint total_have = el->location->allocation.width + el->info->allocation.width;
gint total_full = full_loc + full_nfo;
diff = el->location->allocation.width - full_loc * total_have / total_full;
}
if (!diff)
return;
allocation = el->location->allocation;
allocation.width -= diff;
gtk_widget_size_allocate (el->location, &allocation);
allocation = el->info->allocation;
allocation.x -= diff;
allocation.width += diff;
gtk_widget_size_allocate (el->info, &allocation);
}
static void
el_class_init(GObjectClass *klass)
{
klass->finalize = el_finalise;
((GtkObjectClass *)klass)->destroy = el_destroy;
((GtkWidgetClass *)klass)->expose_event = el_expose_event;
((GtkWidgetClass *)klass)->size_allocate = el_size_allocate;
}
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(), NULL);
GtkWidget *image;
image = gtk_image_new_from_icon_name (icon, GTK_ICON_SIZE_MENU);
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, 0.5);
gtk_misc_set_padding (GTK_MISC (el->location), 0, 6);
gtk_label_set_ellipsize (GTK_LABEL (el->info), PANGO_ELLIPSIZE_MIDDLE);
gtk_misc_set_alignment (GTK_MISC (el->info), 1.0, 0.5);
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),
TRUE, 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);
}
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