1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 2011 Benjamin Otte <otte@gnome.org>
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
20 #include "gtkcsstypesprivate.h"
21
22 #include "gtkcssnumbervalueprivate.h"
23 #include "gtkstylecontextprivate.h"
24
25 GtkCssChange
_gtk_css_change_for_sibling(GtkCssChange match)26 _gtk_css_change_for_sibling (GtkCssChange match)
27 {
28 #define BASE_STATES ( GTK_CSS_CHANGE_CLASS \
29 | GTK_CSS_CHANGE_NAME \
30 | GTK_CSS_CHANGE_ID \
31 | GTK_CSS_CHANGE_FIRST_CHILD \
32 | GTK_CSS_CHANGE_LAST_CHILD \
33 | GTK_CSS_CHANGE_NTH_CHILD \
34 | GTK_CSS_CHANGE_NTH_LAST_CHILD \
35 | GTK_CSS_CHANGE_STATE \
36 | GTK_CSS_CHANGE_HOVER \
37 | GTK_CSS_CHANGE_DISABLED \
38 | GTK_CSS_CHANGE_SELECTED \
39 | GTK_CSS_CHANGE_BACKDROP)
40
41 #define KEEP_STATES ( ~(BASE_STATES|GTK_CSS_CHANGE_SOURCE|GTK_CSS_CHANGE_PARENT_STYLE) \
42 | GTK_CSS_CHANGE_NTH_CHILD \
43 | GTK_CSS_CHANGE_NTH_LAST_CHILD)
44
45 return (match & KEEP_STATES) | ((match & BASE_STATES) << GTK_CSS_CHANGE_SIBLING_SHIFT);
46
47 #undef BASE_STATES
48 #undef KEEP_STATES
49 }
50
51 GtkCssChange
_gtk_css_change_for_child(GtkCssChange match)52 _gtk_css_change_for_child (GtkCssChange match)
53 {
54 #define BASE_STATES ( GTK_CSS_CHANGE_CLASS \
55 | GTK_CSS_CHANGE_NAME \
56 | GTK_CSS_CHANGE_ID \
57 | GTK_CSS_CHANGE_FIRST_CHILD \
58 | GTK_CSS_CHANGE_LAST_CHILD \
59 | GTK_CSS_CHANGE_NTH_CHILD \
60 | GTK_CSS_CHANGE_NTH_LAST_CHILD \
61 | GTK_CSS_CHANGE_STATE \
62 | GTK_CSS_CHANGE_HOVER \
63 | GTK_CSS_CHANGE_DISABLED \
64 | GTK_CSS_CHANGE_BACKDROP \
65 | GTK_CSS_CHANGE_SELECTED \
66 | GTK_CSS_CHANGE_SIBLING_CLASS \
67 | GTK_CSS_CHANGE_SIBLING_NAME \
68 | GTK_CSS_CHANGE_SIBLING_ID \
69 | GTK_CSS_CHANGE_SIBLING_FIRST_CHILD \
70 | GTK_CSS_CHANGE_SIBLING_LAST_CHILD \
71 | GTK_CSS_CHANGE_SIBLING_NTH_CHILD \
72 | GTK_CSS_CHANGE_SIBLING_NTH_LAST_CHILD \
73 | GTK_CSS_CHANGE_SIBLING_STATE \
74 | GTK_CSS_CHANGE_SIBLING_HOVER \
75 | GTK_CSS_CHANGE_SIBLING_DISABLED \
76 | GTK_CSS_CHANGE_SIBLING_BACKDROP \
77 | GTK_CSS_CHANGE_SIBLING_SELECTED)
78
79 #define KEEP_STATES (~(BASE_STATES|GTK_CSS_CHANGE_SOURCE|GTK_CSS_CHANGE_PARENT_STYLE))
80
81 return (match & KEEP_STATES) | ((match & BASE_STATES) << GTK_CSS_CHANGE_PARENT_SHIFT);
82
83 #undef BASE_STATES
84 #undef KEEP_STATES
85 }
86
87 void
gtk_css_change_print(GtkCssChange change,GString * string)88 gtk_css_change_print (GtkCssChange change,
89 GString *string)
90 {
91 const struct {
92 GtkCssChange flags;
93 const char *name;
94 } names[] = {
95 { GTK_CSS_CHANGE_CLASS, "class" },
96 { GTK_CSS_CHANGE_NAME, "name" },
97 { GTK_CSS_CHANGE_ID, "id" },
98 { GTK_CSS_CHANGE_FIRST_CHILD, "first-child" },
99 { GTK_CSS_CHANGE_LAST_CHILD, "last-child" },
100 { GTK_CSS_CHANGE_NTH_CHILD, "nth-child" },
101 { GTK_CSS_CHANGE_NTH_LAST_CHILD, "nth-last-child" },
102 { GTK_CSS_CHANGE_STATE, "state" },
103 { GTK_CSS_CHANGE_HOVER, "hover" },
104 { GTK_CSS_CHANGE_DISABLED, "disabled" },
105 { GTK_CSS_CHANGE_BACKDROP, "backdrop" },
106 { GTK_CSS_CHANGE_SELECTED, "selected" },
107
108 { GTK_CSS_CHANGE_SIBLING_CLASS, "sibling-class" },
109 { GTK_CSS_CHANGE_SIBLING_NAME, "sibling-name" },
110 { GTK_CSS_CHANGE_SIBLING_ID, "sibling-id" },
111 { GTK_CSS_CHANGE_SIBLING_FIRST_CHILD, "sibling-first-child" },
112 { GTK_CSS_CHANGE_SIBLING_LAST_CHILD, "sibling-last-child" },
113 { GTK_CSS_CHANGE_SIBLING_NTH_CHILD, "sibling-nth-child" },
114 { GTK_CSS_CHANGE_SIBLING_NTH_LAST_CHILD, "sibling-nth-last-child" },
115 { GTK_CSS_CHANGE_SIBLING_STATE, "sibling-state" },
116 { GTK_CSS_CHANGE_SIBLING_HOVER, "sibling-hover" },
117 { GTK_CSS_CHANGE_SIBLING_DISABLED, "sibling-disabled" },
118 { GTK_CSS_CHANGE_SIBLING_BACKDROP, "sibling-backdrop" },
119 { GTK_CSS_CHANGE_SIBLING_SELECTED, "sibling-selected" },
120
121 { GTK_CSS_CHANGE_PARENT_CLASS, "parent-class" },
122 { GTK_CSS_CHANGE_PARENT_NAME, "parent-name" },
123 { GTK_CSS_CHANGE_PARENT_ID, "parent-id" },
124 { GTK_CSS_CHANGE_PARENT_FIRST_CHILD, "parent-first-child" },
125 { GTK_CSS_CHANGE_PARENT_LAST_CHILD, "parent-last-child" },
126 { GTK_CSS_CHANGE_PARENT_NTH_CHILD, "parent-nth-child" },
127 { GTK_CSS_CHANGE_PARENT_NTH_LAST_CHILD, "parent-nth-last-child" },
128 { GTK_CSS_CHANGE_PARENT_STATE, "parent-state" },
129 { GTK_CSS_CHANGE_PARENT_HOVER, "parent-hover" },
130 { GTK_CSS_CHANGE_PARENT_DISABLED, "parent-disabled" },
131 { GTK_CSS_CHANGE_PARENT_BACKDROP, "parent-backdrop" },
132 { GTK_CSS_CHANGE_PARENT_SELECTED, "parent-selected" },
133
134 { GTK_CSS_CHANGE_PARENT_SIBLING_CLASS, "parent-sibling-class" },
135 { GTK_CSS_CHANGE_PARENT_SIBLING_NAME, "parent-sibling-name" },
136 { GTK_CSS_CHANGE_PARENT_SIBLING_ID, "parent-sibling-id" },
137 { GTK_CSS_CHANGE_PARENT_SIBLING_FIRST_CHILD, "parent-sibling-first-child" },
138 { GTK_CSS_CHANGE_PARENT_SIBLING_LAST_CHILD, "parent-sibling-last-child" },
139 { GTK_CSS_CHANGE_PARENT_SIBLING_NTH_CHILD, "parent-sibling-nth-child" },
140 { GTK_CSS_CHANGE_PARENT_SIBLING_NTH_LAST_CHILD, "parent-sibling-nth-last-child" },
141 { GTK_CSS_CHANGE_PARENT_SIBLING_STATE, "parent-sibling-state" },
142 { GTK_CSS_CHANGE_PARENT_SIBLING_HOVER, "parent-sibling-hover" },
143 { GTK_CSS_CHANGE_PARENT_SIBLING_DISABLED, "parent-sibling-disabled" },
144 { GTK_CSS_CHANGE_PARENT_SIBLING_BACKDROP, "parent-sibling-backdrop" },
145 { GTK_CSS_CHANGE_PARENT_SIBLING_SELECTED, "parent-sibling-selected" },
146
147 { GTK_CSS_CHANGE_SOURCE, "source" },
148 { GTK_CSS_CHANGE_PARENT_STYLE, "parent-style" },
149 { GTK_CSS_CHANGE_TIMESTAMP, "timestamp" },
150 { GTK_CSS_CHANGE_ANIMATIONS, "animations" },
151 };
152 guint i;
153 gboolean first;
154
155 first = TRUE;
156
157 for (i = 0; i < G_N_ELEMENTS (names); i++)
158 {
159 if (change & names[i].flags)
160 {
161 if (first)
162 first = FALSE;
163 else
164 g_string_append (string, "|");
165 g_string_append (string, names[i].name);
166 }
167 }
168 }
169
170 GtkCssDimension
gtk_css_unit_get_dimension(GtkCssUnit unit)171 gtk_css_unit_get_dimension (GtkCssUnit unit)
172 {
173 switch (unit)
174 {
175 case GTK_CSS_NUMBER:
176 return GTK_CSS_DIMENSION_NUMBER;
177
178 case GTK_CSS_PERCENT:
179 return GTK_CSS_DIMENSION_PERCENTAGE;
180
181 case GTK_CSS_PX:
182 case GTK_CSS_PT:
183 case GTK_CSS_EM:
184 case GTK_CSS_EX:
185 case GTK_CSS_REM:
186 case GTK_CSS_PC:
187 case GTK_CSS_IN:
188 case GTK_CSS_CM:
189 case GTK_CSS_MM:
190 return GTK_CSS_DIMENSION_LENGTH;
191
192 case GTK_CSS_RAD:
193 case GTK_CSS_DEG:
194 case GTK_CSS_GRAD:
195 case GTK_CSS_TURN:
196 return GTK_CSS_DIMENSION_ANGLE;
197
198 case GTK_CSS_S:
199 case GTK_CSS_MS:
200 return GTK_CSS_DIMENSION_TIME;
201
202 default:
203 g_assert_not_reached ();
204 return GTK_CSS_DIMENSION_PERCENTAGE;
205 }
206 }
207
208 char *
gtk_css_change_to_string(GtkCssChange change)209 gtk_css_change_to_string (GtkCssChange change)
210 {
211 GString *string = g_string_new (NULL);
212
213 gtk_css_change_print (change, string);
214
215 return g_string_free (string, FALSE);
216 }
217
218 const char *
gtk_css_pseudoclass_name(GtkStateFlags state)219 gtk_css_pseudoclass_name (GtkStateFlags state)
220 {
221 static const char * state_names[] = {
222 "active",
223 "hover",
224 "selected",
225 "disabled",
226 "indeterminate",
227 "focus",
228 "backdrop",
229 "dir(ltr)",
230 "dir(rtl)",
231 "link",
232 "visited",
233 "checked",
234 "drop(active)",
235 "focus-visible",
236 "focus-within"
237 };
238 guint i;
239
240 for (i = 0; i < G_N_ELEMENTS (state_names); i++)
241 {
242 if (state == (1 << i))
243 return state_names[i];
244 }
245
246 return NULL;
247 }
248
249