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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 "gtkbuiltiniconprivate.h"
#include "gtkcssnodeprivate.h"
#include "gtkiconprivate.h"
#include "gtkwidgetprivate.h"
/* GtkIcon is 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.
*/
enum {
PROP_0,
PROP_CSS_NAME,
NUM_PROPERTIES
};
static GParamSpec *icon_props[NUM_PROPERTIES] = { NULL, };
typedef struct _GtkIconPrivate GtkIconPrivate;
struct _GtkIconPrivate {
GtkCssGadget *gadget;
};
G_DEFINE_TYPE_WITH_PRIVATE (GtkIcon, gtk_icon, GTK_TYPE_WIDGET)
static void
gtk_icon_finalize (GObject *object)
{
GtkIcon *self = GTK_ICON (object);
GtkIconPrivate *priv = gtk_icon_get_instance_private (self);
g_clear_object (&priv->gadget);
G_OBJECT_CLASS (gtk_icon_parent_class)->finalize (object);
}
static void
gtk_icon_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GtkIcon *self = GTK_ICON (object);
switch (property_id)
{
case PROP_CSS_NAME:
g_value_set_string (value, gtk_icon_get_css_name (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gtk_icon_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GtkIcon *self = GTK_ICON (object);
switch (property_id)
{
case PROP_CSS_NAME:
gtk_icon_set_css_name (self, g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gtk_icon_get_preferred_height_and_baseline_for_width (GtkWidget *widget,
gint for_width,
gint *minimum,
gint *natural,
gint *minimum_baseline,
gint *natural_baseline)
{
GtkIcon *self = GTK_ICON (widget);
GtkIconPrivate *priv = gtk_icon_get_instance_private (self);
gtk_css_gadget_get_preferred_size (priv->gadget,
GTK_ORIENTATION_VERTICAL,
for_width,
minimum, natural,
minimum_baseline, natural_baseline);
}
static void
gtk_icon_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural)
{
gtk_icon_get_preferred_height_and_baseline_for_width (widget, -1,
minimum, natural,
NULL, NULL);
}
static void
gtk_icon_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural)
{
GtkIcon *self = GTK_ICON (widget);
GtkIconPrivate *priv = gtk_icon_get_instance_private (self);
gtk_css_gadget_get_preferred_size (priv->gadget,
GTK_ORIENTATION_HORIZONTAL,
-1,
minimum, natural,
NULL, NULL);
}
static void
gtk_icon_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkIcon *self = GTK_ICON (widget);
GtkIconPrivate *priv = gtk_icon_get_instance_private (self);
GtkAllocation clip;
gtk_widget_set_allocation (widget, allocation);
gtk_css_gadget_allocate (priv->gadget, allocation,
gtk_widget_get_allocated_baseline (widget),
&clip);
gtk_widget_set_clip (widget, &clip);
}
static gboolean
gtk_icon_draw (GtkWidget *widget,
cairo_t *cr)
{
GtkIcon *self = GTK_ICON (widget);
GtkIconPrivate *priv = gtk_icon_get_instance_private (self);
gtk_css_gadget_draw (priv->gadget, cr);
return FALSE;
}
static void
gtk_icon_class_init (GtkIconClass *klass)
{
GObjectClass *oclass = G_OBJECT_CLASS (klass);
GtkWidgetClass *wclass = GTK_WIDGET_CLASS (klass);
oclass->get_property = gtk_icon_get_property;
oclass->set_property = gtk_icon_set_property;
oclass->finalize = gtk_icon_finalize;
wclass->size_allocate = gtk_icon_size_allocate;
wclass->get_preferred_width = gtk_icon_get_preferred_width;
wclass->get_preferred_height = gtk_icon_get_preferred_height;
wclass->get_preferred_height_and_baseline_for_width = gtk_icon_get_preferred_height_and_baseline_for_width;
wclass->draw = gtk_icon_draw;
icon_props[PROP_CSS_NAME] =
g_param_spec_string ("css-name", "CSS name",
"CSS name",
NULL,
G_PARAM_READWRITE |
G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (oclass, NUM_PROPERTIES, icon_props);
}
static void
gtk_icon_init (GtkIcon *self)
{
GtkWidget *widget = GTK_WIDGET (self);
GtkIconPrivate *priv = gtk_icon_get_instance_private (self);
GtkCssNode *widget_node;
gtk_widget_set_has_window (widget, FALSE);
widget_node = gtk_widget_get_css_node (widget);
priv->gadget = gtk_builtin_icon_new_for_node (widget_node, widget);
}
GtkWidget *
gtk_icon_new (const char *css_name)
{
return g_object_new (GTK_TYPE_ICON,
"css-name", css_name,
NULL);
}
const char *
gtk_icon_get_css_name (GtkIcon *self)
{
GtkCssNode *widget_node = gtk_widget_get_css_node (GTK_WIDGET (self));
return gtk_css_node_get_name (widget_node);
}
void
gtk_icon_set_css_name (GtkIcon *self,
const char *css_name)
{
GtkCssNode *widget_node = gtk_widget_get_css_node (GTK_WIDGET (self));
gtk_css_node_set_name (widget_node, g_intern_string (css_name));
}
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