1/* GTK - The GIMP Toolkit
2 * Copyright (C) 2021 Red Hat, Inc.
3 *
4 * Authors:
5 * - Matthias Clasen <mclasen@redhat.com>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21#include "config.h"
22
23#include "gtkpopovercontentprivate.h"
24#include "gtkstylecontextprivate.h"
25
26#include "gtkwidgetprivate.h"
27#include "gtkintl.h"
28
29/* A private class used as the child of GtkPopover. The only thing
30 * special here is that we need to queue a resize on the popover when
31 * our shadow changes.
32 */
33
34G_DEFINE_TYPE (GtkPopoverContent, gtk_popover_content, GTK_TYPE_WIDGET);
35
36static void
37gtk_popover_content_css_changed (GtkWidget *widget,
38 GtkCssStyleChange *change)
39{
40 GTK_WIDGET_CLASS (gtk_popover_content_parent_class)->css_changed (widget, change);
41
42 if (change == NULL ||
43 gtk_css_style_change_changes_property (change, id: GTK_CSS_PROPERTY_BOX_SHADOW))
44 gtk_widget_queue_resize (widget: gtk_widget_get_parent (widget));
45}
46
47static void
48gtk_popover_content_finalize (GObject *object)
49{
50 GtkPopoverContent *self = GTK_POPOVER_CONTENT (object);
51 GtkWidget *widget;
52
53 widget = _gtk_widget_get_first_child (GTK_WIDGET (self));
54 while (widget != NULL)
55 {
56 GtkWidget *next = _gtk_widget_get_next_sibling (widget);
57
58 gtk_widget_unparent (widget);
59
60 widget = next;
61 }
62
63 G_OBJECT_CLASS (gtk_popover_content_parent_class)->finalize (object);
64}
65
66static void
67gtk_popover_content_class_init (GtkPopoverContentClass *klass)
68{
69 GObjectClass *object_class = G_OBJECT_CLASS (klass);
70 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
71
72 object_class->finalize = gtk_popover_content_finalize;
73
74 widget_class->focus = gtk_widget_focus_child;
75 widget_class->grab_focus = gtk_widget_grab_focus_child;
76 widget_class->css_changed = gtk_popover_content_css_changed;
77
78 gtk_widget_class_set_css_name (widget_class, I_("contents"));
79}
80
81static void
82gtk_popover_content_init (GtkPopoverContent *self)
83{
84}
85
86GtkWidget *
87gtk_popover_content_new (void)
88{
89 return g_object_new (GTK_TYPE_POPOVER_CONTENT, NULL);
90}
91

source code of gtk/gtk/gtkpopovercontent.c