1 /*
2 * Copyright (c) 2014 Red Hat, Inc.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18 #include "config.h"
19 #include <glib/gi18n-lib.h>
20
21 #include "magnifier.h"
22
23 #include "gtkmagnifierprivate.h"
24
25 #include "gtklabel.h"
26 #include "gtkadjustment.h"
27
28 enum
29 {
30 PROP_0,
31 PROP_ADJUSTMENT
32 };
33
34 struct _GtkInspectorMagnifierPrivate
35 {
36 GtkWidget *object;
37 GtkWidget *magnifier;
38 GtkAdjustment *adjustment;
39 };
40
G_DEFINE_TYPE_WITH_PRIVATE(GtkInspectorMagnifier,gtk_inspector_magnifier,GTK_TYPE_BOX)41 G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorMagnifier, gtk_inspector_magnifier, GTK_TYPE_BOX)
42
43 static void
44 gtk_inspector_magnifier_init (GtkInspectorMagnifier *sl)
45 {
46 sl->priv = gtk_inspector_magnifier_get_instance_private (sl);
47 gtk_widget_init_template (GTK_WIDGET (sl));
48 }
49
50 void
gtk_inspector_magnifier_set_object(GtkInspectorMagnifier * sl,GObject * object)51 gtk_inspector_magnifier_set_object (GtkInspectorMagnifier *sl,
52 GObject *object)
53 {
54 sl->priv->object = NULL;
55
56 if (!GTK_IS_WIDGET (object) || !gtk_widget_is_visible (GTK_WIDGET (object)))
57 {
58 gtk_widget_hide (GTK_WIDGET (sl));
59 _gtk_magnifier_set_inspected (GTK_MAGNIFIER (sl->priv->magnifier), NULL);
60 return;
61 }
62
63 gtk_widget_show (GTK_WIDGET (sl));
64
65 sl->priv->object = GTK_WIDGET (object);
66
67 _gtk_magnifier_set_inspected (GTK_MAGNIFIER (sl->priv->magnifier), GTK_WIDGET (object));
68 _gtk_magnifier_set_coords (GTK_MAGNIFIER (sl->priv->magnifier), 0, 0);
69 }
70
71 static void
get_property(GObject * object,guint param_id,GValue * value,GParamSpec * pspec)72 get_property (GObject *object,
73 guint param_id,
74 GValue *value,
75 GParamSpec *pspec)
76 {
77 GtkInspectorMagnifier *sl = GTK_INSPECTOR_MAGNIFIER (object);
78
79 switch (param_id)
80 {
81 case PROP_ADJUSTMENT:
82 g_value_take_object (value, sl->priv->adjustment);
83 break;
84
85 default:
86 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
87 break;
88 }
89 }
90
91 static void
set_property(GObject * object,guint param_id,const GValue * value,GParamSpec * pspec)92 set_property (GObject *object,
93 guint param_id,
94 const GValue *value,
95 GParamSpec *pspec)
96 {
97 GtkInspectorMagnifier *sl = GTK_INSPECTOR_MAGNIFIER (object);
98
99 switch (param_id)
100 {
101 case PROP_ADJUSTMENT:
102 sl->priv->adjustment = g_value_get_object (value);
103 break;
104
105 default:
106 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
107 break;
108 }
109 }
110
111 static void
constructed(GObject * object)112 constructed (GObject *object)
113 {
114 GtkInspectorMagnifier *sl = GTK_INSPECTOR_MAGNIFIER (object);
115
116 g_object_bind_property (sl->priv->adjustment, "value",
117 sl->priv->magnifier, "magnification",
118 G_BINDING_SYNC_CREATE);
119 }
120
121 static void
gtk_inspector_magnifier_class_init(GtkInspectorMagnifierClass * klass)122 gtk_inspector_magnifier_class_init (GtkInspectorMagnifierClass *klass)
123 {
124 GObjectClass *object_class = G_OBJECT_CLASS (klass);
125 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
126
127 object_class->get_property = get_property;
128 object_class->set_property = set_property;
129 object_class->constructed = constructed;
130
131 g_object_class_install_property (object_class, PROP_ADJUSTMENT,
132 g_param_spec_object ("adjustment", NULL, NULL,
133 GTK_TYPE_ADJUSTMENT, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
134
135 gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/libgtk/inspector/magnifier.ui");
136 gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorMagnifier, magnifier);
137 }
138
139 // vim: set et sw=2 ts=2:
140