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https://gitlab.gnome.org/GNOME/gtk.git
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Introduce GtkIcon private class
This is an utility widget that wraps a GtkBuiltinIcon for situations where using a real widget is more convenient than a gadget.
This commit is contained in:
Cosimo Cecchi
parent
164e8ed6bd
commit
9b7473b633
@ -468,6 +468,7 @@ gtk_private_h_sources = \
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gtkhslaprivate.h \
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gtkiconcache.h \
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gtkiconhelperprivate.h \
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gtkiconprivate.h \
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gtkiconthemeprivate.h \
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gtkiconviewprivate.h \
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gtkimagedefinitionprivate.h \
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@ -741,6 +742,7 @@ gtk_base_c_sources = \
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gtkgrid.c \
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gtkheaderbar.c \
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gtkhsla.c \
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gtkicon.c \
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gtkiconcache.c \
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gtkiconcachevalidator.c \
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gtkiconhelper.c \
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223
gtk/gtkicon.c
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223
gtk/gtkicon.c
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@ -0,0 +1,223 @@
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/*
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* Copyright © 2015 Endless Mobile, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Cosimo Cecchi <cosimoc@gnome.org>
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*/
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#include "config.h"
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#include "gtkbuiltiniconprivate.h"
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#include "gtkcssnodeprivate.h"
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#include "gtkiconprivate.h"
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#include "gtkwidgetprivate.h"
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enum {
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PROP_0,
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PROP_CSS_NAME,
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NUM_PROPERTIES
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};
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static GParamSpec *icon_props[NUM_PROPERTIES] = { NULL, };
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typedef struct _GtkIconPrivate GtkIconPrivate;
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struct _GtkIconPrivate {
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GtkCssGadget *gadget;
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};
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G_DEFINE_TYPE_WITH_PRIVATE (GtkIcon, gtk_icon, GTK_TYPE_WIDGET)
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static void
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gtk_icon_finalize (GObject *object)
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{
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GtkIcon *self = GTK_ICON (object);
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GtkIconPrivate *priv = gtk_icon_get_instance_private (self);
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g_clear_object (&priv->gadget);
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G_OBJECT_CLASS (gtk_icon_parent_class)->finalize (object);
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}
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static void
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gtk_icon_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkIcon *self = GTK_ICON (object);
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switch (property_id)
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{
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case PROP_CSS_NAME:
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g_value_set_string (value, gtk_icon_get_css_name (self));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gtk_icon_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkIcon *self = GTK_ICON (object);
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switch (property_id)
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{
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case PROP_CSS_NAME:
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gtk_icon_set_css_name (self, g_value_get_string (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gtk_icon_get_preferred_height_and_baseline_for_width (GtkWidget *widget,
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gint for_width,
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gint *minimum,
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gint *natural,
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gint *minimum_baseline,
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gint *natural_baseline)
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{
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GtkIcon *self = GTK_ICON (widget);
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GtkIconPrivate *priv = gtk_icon_get_instance_private (self);
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gtk_css_gadget_get_preferred_size (priv->gadget,
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GTK_ORIENTATION_VERTICAL,
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for_width,
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minimum, natural,
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minimum_baseline, natural_baseline);
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}
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static void
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gtk_icon_get_preferred_height (GtkWidget *widget,
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gint *minimum,
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gint *natural)
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{
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gtk_icon_get_preferred_height_and_baseline_for_width (widget, -1,
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minimum, natural,
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NULL, NULL);
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}
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static void
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gtk_icon_get_preferred_width (GtkWidget *widget,
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gint *minimum,
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gint *natural)
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{
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GtkIcon *self = GTK_ICON (widget);
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GtkIconPrivate *priv = gtk_icon_get_instance_private (self);
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gtk_css_gadget_get_preferred_size (priv->gadget,
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GTK_ORIENTATION_HORIZONTAL,
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-1,
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minimum, natural,
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NULL, NULL);
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}
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static void
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gtk_icon_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation)
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{
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GtkIcon *self = GTK_ICON (widget);
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GtkIconPrivate *priv = gtk_icon_get_instance_private (self);
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GtkAllocation clip;
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gtk_widget_set_allocation (widget, allocation);
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gtk_css_gadget_allocate (priv->gadget, allocation,
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gtk_widget_get_allocated_baseline (widget),
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&clip);
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gtk_widget_set_clip (widget, &clip);
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}
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static gboolean
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gtk_icon_draw (GtkWidget *widget,
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cairo_t *cr)
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{
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GtkIcon *self = GTK_ICON (widget);
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GtkIconPrivate *priv = gtk_icon_get_instance_private (self);
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gtk_css_gadget_draw (priv->gadget, cr);
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return FALSE;
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}
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static void
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gtk_icon_class_init (GtkIconClass *klass)
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{
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GObjectClass *oclass = G_OBJECT_CLASS (klass);
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GtkWidgetClass *wclass = GTK_WIDGET_CLASS (klass);
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oclass->get_property = gtk_icon_get_property;
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oclass->set_property = gtk_icon_set_property;
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oclass->finalize = gtk_icon_finalize;
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wclass->size_allocate = gtk_icon_size_allocate;
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wclass->get_preferred_width = gtk_icon_get_preferred_width;
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wclass->get_preferred_height = gtk_icon_get_preferred_height;
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wclass->get_preferred_height_and_baseline_for_width = gtk_icon_get_preferred_height_and_baseline_for_width;
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wclass->draw = gtk_icon_draw;
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icon_props[PROP_CSS_NAME] =
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g_param_spec_string ("css-name", "CSS name",
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"CSS name",
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NULL,
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G_PARAM_READWRITE |
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G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
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g_object_class_install_properties (oclass, NUM_PROPERTIES, icon_props);
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}
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static void
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gtk_icon_init (GtkIcon *self)
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{
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GtkWidget *widget = GTK_WIDGET (self);
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GtkIconPrivate *priv = gtk_icon_get_instance_private (self);
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GtkCssNode *widget_node;
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gtk_widget_set_has_window (widget, FALSE);
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widget_node = gtk_widget_get_css_node (widget);
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priv->gadget = gtk_builtin_icon_new_for_node (widget_node, widget);
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}
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GtkWidget *
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gtk_icon_new (const char *css_name)
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{
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return g_object_new (GTK_TYPE_ICON,
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"css-name", css_name,
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NULL);
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}
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const char *
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gtk_icon_get_css_name (GtkIcon *self)
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{
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GtkCssNode *widget_node = gtk_widget_get_css_node (GTK_WIDGET (self));
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return gtk_css_node_get_name (widget_node);
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}
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void
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gtk_icon_set_css_name (GtkIcon *self,
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const char *css_name)
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{
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GtkCssNode *widget_node = gtk_widget_get_css_node (GTK_WIDGET (self));
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gtk_css_node_set_name (widget_node, g_intern_string (css_name));
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}
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56
gtk/gtkiconprivate.h
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56
gtk/gtkiconprivate.h
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@ -0,0 +1,56 @@
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/*
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* Copyright © 2015 Endless Mobile, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Cosimo Cecchi <cosimoc@gnome.org>
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*/
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#ifndef __GTK_ICON_PRIVATE_H__
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#define __GTK_ICON_PRIVATE_H__
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#include "gtk/gtkwidget.h"
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G_BEGIN_DECLS
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#define GTK_TYPE_ICON (gtk_icon_get_type ())
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#define GTK_ICON(obj) (G_TYPE_CHECK_INSTANCE_CAST (obj, GTK_TYPE_ICON, GtkIcon))
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#define GTK_ICON_CLASS(cls) (G_TYPE_CHECK_CLASS_CAST (cls, GTK_TYPE_ICON, GtkIconClass))
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#define GTK_IS_ICON(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, GTK_TYPE_ICON))
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#define GTK_IS_ICON_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE (obj, GTK_TYPE_ICON))
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#define GTK_ICON_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ICON, GtkIconClass))
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typedef struct _GtkIcon GtkIcon;
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typedef struct _GtkIconClass GtkIconClass;
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struct _GtkIcon
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{
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GtkWidget parent;
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};
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struct _GtkIconClass
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{
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GtkWidgetClass parent_class;
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};
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GType gtk_icon_get_type (void) G_GNUC_CONST;
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GtkWidget * gtk_icon_new (const char *css_name);
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const char * gtk_icon_get_css_name (GtkIcon *icon);
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void gtk_icon_set_css_name (GtkIcon *icon,
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const char *css_name);
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G_END_DECLS
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#endif /* __GTK_ICON_PRIVATE_H__ */
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