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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/* GTK - The GIMP Toolkit
* Copyright (C) 2011 Red Hat, 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 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/>.
*/
#include "config.h"
#include "gtkcsscornervalueprivate.h"
#include "gtkcssnumbervalueprivate.h"
#include "gtkcssdimensionvalueprivate.h"
struct _GtkCssValue {
GTK_CSS_VALUE_BASE
GtkCssValue *x;
GtkCssValue *y;
};
static void
gtk_css_value_corner_free (GtkCssValue *value)
{
_gtk_css_value_unref (value->x);
_gtk_css_value_unref (value->y);
g_free (value);
}
static GtkCssValue *
gtk_css_value_corner_compute (GtkCssValue *corner,
guint property_id,
GtkStyleProvider *provider,
GtkCssStyle *style,
GtkCssStyle *parent_style)
{
GtkCssValue *x, *y;
x = _gtk_css_value_compute (corner->x, property_id, provider, style, parent_style);
y = _gtk_css_value_compute (corner->y, property_id, provider, style, parent_style);
if (x == corner->x && y == corner->y)
{
_gtk_css_value_unref (x);
_gtk_css_value_unref (y);
return _gtk_css_value_ref (corner);
}
return _gtk_css_corner_value_new (x, y);
}
static gboolean
gtk_css_value_corner_equal (const GtkCssValue *corner1,
const GtkCssValue *corner2)
{
return _gtk_css_value_equal (corner1->x, corner2->x)
&& _gtk_css_value_equal (corner1->y, corner2->y);
}
static GtkCssValue *
gtk_css_value_corner_transition (GtkCssValue *start,
GtkCssValue *end,
guint property_id,
double progress)
{
GtkCssValue *x, *y;
x = _gtk_css_value_transition (start->x, end->x, property_id, progress);
if (x == NULL)
return NULL;
y = _gtk_css_value_transition (start->y, end->y, property_id, progress);
if (y == NULL)
{
_gtk_css_value_unref (x);
return NULL;
}
return _gtk_css_corner_value_new (x, y);
}
static void
gtk_css_value_corner_print (const GtkCssValue *corner,
GString *string)
{
_gtk_css_value_print (corner->x, string);
if (!_gtk_css_value_equal (corner->x, corner->y))
{
g_string_append_c (string, ' ');
_gtk_css_value_print (corner->y, string);
}
}
static const GtkCssValueClass GTK_CSS_VALUE_CORNER = {
"GtkCssCornerValue",
gtk_css_value_corner_free,
gtk_css_value_corner_compute,
gtk_css_value_corner_equal,
gtk_css_value_corner_transition,
NULL,
NULL,
gtk_css_value_corner_print
};
GtkCssValue *
_gtk_css_corner_value_new (GtkCssValue *x,
GtkCssValue *y)
{
GtkCssValue *result;
if (_gtk_css_value_equal (x, y))
{
_gtk_css_value_unref (y);
return x;
}
result = _gtk_css_value_new (GtkCssValue, >K_CSS_VALUE_CORNER);
result->x = x;
result->y = y;
return result;
}
GtkCssValue *
_gtk_css_corner_value_parse (GtkCssParser *parser)
{
GtkCssValue *x, *y;
x = _gtk_css_number_value_parse (parser,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_PARSE_LENGTH);
if (x == NULL)
return NULL;
if (!gtk_css_number_value_can_parse (parser))
y = _gtk_css_value_ref (x);
else
{
y = _gtk_css_number_value_parse (parser,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_PARSE_LENGTH);
if (y == NULL)
{
_gtk_css_value_unref (x);
return NULL;
}
}
return _gtk_css_corner_value_new (x, y);
}
double
_gtk_css_corner_value_get_x (const GtkCssValue *corner,
double one_hundred_percent)
{
if (corner->class != >K_CSS_VALUE_CORNER)
return _gtk_css_number_value_get (corner, one_hundred_percent);
g_return_val_if_fail (corner != NULL, 0.0);
g_return_val_if_fail (corner->class == >K_CSS_VALUE_CORNER, 0.0);
return _gtk_css_number_value_get (corner->x, one_hundred_percent);
}
double
_gtk_css_corner_value_get_y (const GtkCssValue *corner,
double one_hundred_percent)
{
if (corner->class != >K_CSS_VALUE_CORNER)
return _gtk_css_number_value_get (corner, one_hundred_percent);
g_return_val_if_fail (corner != NULL, 0.0);
g_return_val_if_fail (corner->class == >K_CSS_VALUE_CORNER, 0.0);
return _gtk_css_number_value_get (corner->y, one_hundred_percent);
}
gboolean
gtk_css_corner_value_is_zero (const GtkCssValue *corner)
{
if (corner->class != >K_CSS_VALUE_CORNER)
return gtk_css_dimension_value_is_zero (corner);
return gtk_css_dimension_value_is_zero (corner->x) &&
gtk_css_dimension_value_is_zero (corner->y);
}
|
