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/*
* Copyright © 2015 Endless Mobile, Inc.
*
* 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 library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Cosimo Cecchi <cosimoc@gnome.org>
*/
#include "config.h"
#include "gtkstylecontextprivate.h"
#include "gtkcssnumbervalueprivate.h"
#include "gtkbuiltiniconprivate.h"
#include "gtkwidgetprivate.h"
#include "gtkrendericonprivate.h"
#include "gtksnapshot.h"
/* GtkBuiltinIcon was a minimal widget wrapped around a GtkBuiltinIcon gadget,
* It should be used whenever builtin-icon functionality is desired
* but a widget is needed for other reasons.
*/
struct _GtkBuiltinIcon
{
GtkWidget parent;
};
G_DEFINE_TYPE (GtkBuiltinIcon, gtk_builtin_icon, GTK_TYPE_WIDGET)
static void
gtk_builtin_icon_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
{
GtkCssStyle *style = gtk_css_node_get_style (gtk_widget_get_css_node (widget));
int width, height;
width = gtk_widget_get_width (widget);
height = gtk_widget_get_height (widget);
if (width > 0 && height > 0)
gtk_css_style_snapshot_icon (style, snapshot, width, height);
}
static void
gtk_builtin_icon_css_changed (GtkWidget *widget,
GtkCssStyleChange *change)
{
GTK_WIDGET_CLASS (gtk_builtin_icon_parent_class)->css_changed (widget, change);
if (change == NULL ||
gtk_css_style_change_affects (change, GTK_CSS_AFFECTS_ICON_SIZE))
{
gtk_widget_queue_resize (widget);
}
else if (gtk_css_style_change_affects (change, GTK_CSS_AFFECTS_ICON_TEXTURE |
GTK_CSS_AFFECTS_ICON_REDRAW))
{
gtk_widget_queue_draw (widget);
}
}
static void
gtk_builtin_icon_measure (GtkWidget *widget,
GtkOrientation orientation,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline)
{
GtkCssValue *icon_size;
icon_size = _gtk_style_context_peek_property (gtk_widget_get_style_context (widget), GTK_CSS_PROPERTY_ICON_SIZE);
*minimum = *natural = _gtk_css_number_value_get (icon_size, 100);
}
static void
gtk_builtin_icon_class_init (GtkBuiltinIconClass *klass)
{
GtkWidgetClass *wclass = GTK_WIDGET_CLASS (klass);
wclass->snapshot = gtk_builtin_icon_snapshot;
wclass->measure = gtk_builtin_icon_measure;
wclass->css_changed = gtk_builtin_icon_css_changed;
}
static void
gtk_builtin_icon_init (GtkBuiltinIcon *self)
{
}
GtkWidget *
gtk_builtin_icon_new (const char *css_name)
{
return g_object_new (GTK_TYPE_BUILTIN_ICON,
"css-name", css_name,
NULL);
}
void
gtk_builtin_icon_set_css_name (GtkBuiltinIcon *self,
const char *css_name)
{
gtk_css_node_set_name (gtk_widget_get_css_node (GTK_WIDGET (self)),
g_quark_from_string (css_name));
}
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