1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/*
* 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 "gtkcssnodeprivate.h"
#include "gtkstylecontextprivate.h"
#include "gtkcssnumbervalueprivate.h"
#include "gtkiconprivate.h"
#include "gtkwidgetprivate.h"
#include "gtkrendericonprivate.h"
#include "gtksnapshot.h"
/* GtkIcon 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 _GtkIcon
{
GtkWidget parent;
GtkCssImageBuiltinType image;
};
G_DEFINE_TYPE (GtkIcon, gtk_icon, GTK_TYPE_WIDGET)
static void
gtk_icon_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
{
GtkIcon *self = GTK_ICON (widget);
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,
self->image);
}
static void
gtk_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_icon_class_init (GtkIconClass *klass)
{
GtkWidgetClass *wclass = GTK_WIDGET_CLASS (klass);
wclass->snapshot = gtk_icon_snapshot;
wclass->measure = gtk_icon_measure;
}
static void
gtk_icon_init (GtkIcon *self)
{
gtk_widget_set_has_surface (GTK_WIDGET (self), FALSE);
self->image = GTK_CSS_IMAGE_BUILTIN_NONE;
}
GtkWidget *
gtk_icon_new (const char *css_name)
{
return g_object_new (GTK_TYPE_ICON,
"css-name", css_name,
NULL);
}
void
gtk_icon_set_image (GtkIcon *self,
GtkCssImageBuiltinType image)
{
self->image = image;
}
void
gtk_icon_set_css_name (GtkIcon *self,
const char *css_name)
{
gtk_css_node_set_name (gtk_widget_get_css_node (GTK_WIDGET (self)),
g_intern_string (css_name));
}
|
