/* * 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 . * * Authors: Cosimo Cecchi */ #include "config.h" #include "gtkcssnodeprivate.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_style_change_affects (change, 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; wclass->grab_focus = gtk_widget_grab_focus_none; wclass->focus = gtk_widget_focus_none; } 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)); }