1 /* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */
3 /*
4 * This file is part of The Croco Library
5 *
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of version 2.1 of the GNU Lesser General Public
9 * License as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19 * USA
20 *
21 * Author: Dodji Seketeli.
22 * See COPYRIGHTS file for copyright information.
23 */
25 #ifndef __CR_STYLE_H__
26 #define __CR_STYLE_H__
28 #include "cr-utils.h"
29 #include "cr-statement.h"
30 #include "cr-fonts.h"
32 /**
33 *@file
34 *The declaration of the #CRStyle class.
35 */
36 G_BEGIN_DECLS
38 typedef struct _CRStyle CRStyle ;
40 enum CRBorderStyle
41 {
42 BORDER_STYLE_NONE = 0,
43 BORDER_STYLE_HIDDEN,
44 BORDER_STYLE_DOTTED,
45 BORDER_STYLE_DASHED,
46 BORDER_STYLE_SOLID,
47 BORDER_STYLE_DOUBLE,
48 BORDER_STYLE_GROOVE,
49 BORDER_STYLE_RIDGE,
50 BORDER_STYLE_INSET,
51 BORDER_STYLE_OUTSET,
52 BORDER_STYLE_INHERIT
53 } ;
55 enum CRDisplayType
56 {
57 DISPLAY_NONE,
58 DISPLAY_INLINE,
59 DISPLAY_BLOCK,
60 DISPLAY_LIST_ITEM,
61 DISPLAY_RUN_IN,
62 DISPLAY_COMPACT,
63 DISPLAY_MARKER,
64 DISPLAY_TABLE,
65 DISPLAY_INLINE_TABLE,
66 DISPLAY_TABLE_ROW_GROUP,
67 DISPLAY_TABLE_HEADER_GROUP,
68 DISPLAY_TABLE_FOOTER_GROUP,
69 DISPLAY_TABLE_ROW,
70 DISPLAY_TABLE_COLUMN_GROUP,
71 DISPLAY_TABLE_COLUMN,
72 DISPLAY_TABLE_CELL,
73 DISPLAY_TABLE_CAPTION,
74 DISPLAY_INHERIT
75 } ;
77 enum CRPositionType
78 {
79 POSITION_STATIC,
80 POSITION_RELATIVE,
81 POSITION_ABSOLUTE,
82 POSITION_FIXED,
83 POSITION_INHERIT,
84 } ;
86 enum CRFloatType
87 {
88 FLOAT_NONE,
89 FLOAT_LEFT,
90 FLOAT_RIGHT,
91 FLOAT_INHERIT
92 } ;
94 enum CRWhiteSpaceType
95 {
96 WHITE_SPACE_NORMAL,
97 WHITE_SPACE_PRE,
98 WHITE_SPACE_NOWRAP,
99 WHITE_SPACE_INHERIT
100 } ;
103 #define BORDER_THIN 2
104 #define BORDER_MEDIUM 4
105 #define BORDER_THICK 6
108 /**
109 *A numerical css property value.
110 *This data type is actually split in 3 parts:
111 *1/the specified value
112 *2/the computed value
113 *3/the actual value.
114 *To understand the semantic of these three parts,
115 *see css2 spec chap 6.1 ("Specified, computed and actual values.").
116 */
117 typedef struct _CRNumPropVal CRNumPropVal ;
118 struct _CRNumPropVal
119 {
120 /**specified value*/
121 CRNum sv ;
122 /**computed value*/
123 CRNum cv ;
124 /**actual value*/
125 CRNum av ;
126 } ;
128 /**
129 *An rgb css property value.
130 *This data type is actually split in 3 parts:
131 *1/the specified value
132 *2/the computed value
133 *3/the actual value.
134 *To understand the semantic of these three parts,
135 *see css2 spec chap 6.1 ("Specified, computed and actual values.").
136 */
137 typedef struct _CRRgbPropVal CRRgbPropVal ;
138 struct _CRRgbPropVal
139 {
140 /**specified value*/
141 CRRgb sv ;
142 /**computed value*/
143 CRRgb cv ;
144 /**actual value*/
145 CRRgb av ;
146 } ;
149 enum CRNumProp
150 {
151 NUM_PROP_TOP=0,
152 NUM_PROP_RIGHT,
153 NUM_PROP_BOTTOM,
154 NUM_PROP_LEFT,/*3*/
156 NUM_PROP_PADDING_TOP,
157 NUM_PROP_PADDING_RIGHT,
158 NUM_PROP_PADDING_BOTTOM,
159 NUM_PROP_PADDING_LEFT,/*7*/
161 NUM_PROP_BORDER_TOP,
162 NUM_PROP_BORDER_RIGHT,
163 NUM_PROP_BORDER_BOTTOM,
164 NUM_PROP_BORDER_LEFT,/*11*/
166 NUM_PROP_MARGIN_TOP,
167 NUM_PROP_MARGIN_RIGHT,
168 NUM_PROP_MARGIN_BOTTOM,
169 NUM_PROP_MARGIN_LEFT,/*15*/
171 NUM_PROP_WIDTH,
173 /*must be last*/
174 NB_NUM_PROPS
175 } ;
177 enum CRRgbProp
178 {
179 RGB_PROP_BORDER_TOP_COLOR = 0,
180 RGB_PROP_BORDER_RIGHT_COLOR,
181 RGB_PROP_BORDER_BOTTOM_COLOR,
182 RGB_PROP_BORDER_LEFT_COLOR,
183 RGB_PROP_COLOR,
184 RGB_PROP_BACKGROUND_COLOR,
186 /*must be last*/
187 NB_RGB_PROPS
188 } ;
191 enum CRBorderStyleProp
192 {
193 BORDER_STYLE_PROP_TOP = 0,
194 BORDER_STYLE_PROP_RIGHT,
195 BORDER_STYLE_PROP_BOTTOM,
196 BORDER_STYLE_PROP_LEFT,
198 /*must be last*/
199 NB_BORDER_STYLE_PROPS
200 } ;
202 enum CRBoxOffsetProp
203 {
204 BOX_OFFSET_PROP_TOP = 0,
205 BOX_OFFSET_PROP_RIGHT,
206 BOX_OFFSET_PROP_BOTTOM,
207 BOX_OFFSET_PROP_LEFT,
209 /*must be last*/
210 NB_BOX_OFFSET_PROPS
211 } ;
213 typedef struct _CRFontSizeVal CRFontSizeVal ;
214 struct _CRFontSizeVal {
215 /*specified value*/
216 CRFontSize sv ;
217 /*computed value*/
218 CRFontSize cv ;
219 /*actual value*/
220 CRFontSize av ;
221 } ;
223 /**
224 *The css2 style class.
225 *Contains computed and actual values
226 *inferred from the declarations found
227 *in the stylesheets.
228 *See css2 spec chapter 6.
229 */
230 struct _CRStyle
231 {
232 /**
233 *numerical properties.
234 *the properties are indexed by
235 *enum #CRNumProp.
236 */
237 CRNumPropVal num_props[NB_NUM_PROPS] ;
239 /**
240 *color properties.
241 *They are indexed by enum #CRRgbProp .
242 */
243 CRRgbPropVal rgb_props[NB_RGB_PROPS] ;
245 /**
246 *border style properties.
247 *They are indexed by enum #CRBorderStyleProp .
248 */
249 enum CRBorderStyle border_style_props[NB_BORDER_STYLE_PROPS] ;
251 /**box display type*/
252 enum CRDisplayType display ;
254 /**the positioning scheme*/
255 enum CRPositionType position ;
257 /**the float property*/
258 enum CRFloatType float_type ;
260 /*
261 *the 'font-family' property.
262 */
263 CRFontFamily *font_family ;
265 /**
266 *the 'font-size' property.
267 */
268 CRFontSizeVal font_size ;
269 CRFontSizeAdjust *font_size_adjust ;
270 enum CRFontStyle font_style ;
271 enum CRFontVariant font_variant ;
272 enum CRFontWeight font_weight ;
273 enum CRFontStretch font_stretch ;
275 /**
276 * the 'tex' properties
277 */
278 enum CRWhiteSpaceType white_space;
280 gboolean inherited_props_resolved ;
281 CRStyle *parent_style ;
282 gulong ref_count ;
283 } ;
285 enum CRStatus cr_style_white_space_type_to_string (enum CRWhiteSpaceType a_code,
286 GString * a_str, guint a_nb_indent) ;
288 enum CRStatus cr_style_num_prop_val_to_string (CRNumPropVal *a_prop_val,
289 GString *a_str,
290 guint a_nb_indent) ;
292 enum CRStatus cr_style_rgb_prop_val_to_string (CRRgbPropVal *a_prop_val,
293 GString *a_str,
294 guint a_nb_indent) ;
296 enum CRStatus cr_style_border_style_to_string (enum CRBorderStyle a_prop,
297 GString *a_str,
298 guint a_nb_indent) ;
300 enum CRStatus cr_style_display_type_to_string (enum CRDisplayType a_code,
301 GString *a_str,
302 guint a_nb_indent) ;
304 enum CRStatus cr_style_position_type_to_string (enum CRPositionType a_code,
305 GString *a_str,
306 guint a_nb_indent) ;
308 enum CRStatus cr_style_float_type_to_string (enum CRFloatType a_code,
309 GString *a_str,
310 guint a_nb_indent) ;
312 CRStyle * cr_style_new (gboolean a_set_props_to_initial_values) ;
314 enum CRStatus cr_style_set_props_to_default_values (CRStyle *a_this) ;
315 enum CRStatus cr_style_set_props_to_initial_values (CRStyle *a_this) ;
316 enum CRStatus cr_style_resolve_inherited_properties (CRStyle *a_this) ;
317 enum CRStatus cr_style_propagate_from_parent (CRStyle *a_this);
319 enum CRStatus cr_style_set_style_from_decl (CRStyle *a_this,
320 CRDeclaration *a_decl) ;
323 enum CRStatus cr_style_copy (CRStyle *a_dest, CRStyle *a_src) ;
325 enum CRStatus cr_style_ref (CRStyle *a_this) ;
327 gboolean cr_style_unref (CRStyle *a_this) ;
329 void cr_style_destroy (CRStyle *a_this) ;
331 CRStyle * cr_style_dup (CRStyle *a_this) ;
333 enum CRStatus cr_style_to_string (CRStyle *a_this,
334 GString **a_str,
335 guint a_nb_indent) ;
337 G_END_DECLS
339 #endif /*__CR_STYLE_H__*/