| 1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ |
|---|
| 2 | /* This file is part of the KDE libraries |
|---|
| 3 | |
|---|
| 4 | Copyright (C) 1997 Martin Jones (mjones@kde.org) |
|---|
| 5 | Copyright (C) 1997 Torben Weis (weis@kde.org) |
|---|
| 6 | Copyright (C) 1999, 2000, 2001 Helix Code, Inc. |
|---|
| 7 | |
|---|
| 8 | This library is free software; you can redistribute it and/or |
|---|
| 9 | modify it under the terms of the GNU Library General Public |
|---|
| 10 | License as published by the Free Software Foundation; either |
|---|
| 11 | version 2 of the License, or (at your option) any later version. |
|---|
| 12 | |
|---|
| 13 | This library is distributed in the hope that it will be useful, |
|---|
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 16 | Library General Public License for more details. |
|---|
| 17 | |
|---|
| 18 | You should have received a copy of the GNU Library General Public License |
|---|
| 19 | along with this library; see the file COPYING.LIB. If not, write to |
|---|
| 20 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
|---|
| 21 | Boston, MA 02111-1307, USA. |
|---|
| 22 | */ |
|---|
| 23 | #ifndef _HTMLTEXT_H_ |
|---|
| 24 | #define _HTMLTEXT_H_ |
|---|
| 25 | |
|---|
| 26 | #include "htmlobject.h" |
|---|
| 27 | |
|---|
| 28 | #define HTML_TEXT(x) ((HTMLText *)(x)) |
|---|
| 29 | #define HTML_TEXT_CLASS(x) ((HTMLTextClass *)(x)) |
|---|
| 30 | #define HTML_IS_TEXT(x) (HTML_CHECK_TYPE ((x), HTML_TYPE_TEXT)) |
|---|
| 31 | |
|---|
| 32 | struct _SpellError { |
|---|
| 33 | guint off; |
|---|
| 34 | guint len; |
|---|
| 35 | }; |
|---|
| 36 | |
|---|
| 37 | struct _Link { |
|---|
| 38 | guint start_index; |
|---|
| 39 | guint end_index; |
|---|
| 40 | gint start_offset; |
|---|
| 41 | gint end_offset; |
|---|
| 42 | gchar *url; |
|---|
| 43 | gchar *target; |
|---|
| 44 | }; |
|---|
| 45 | |
|---|
| 46 | struct _HTMLTextPangoInfoEntry { |
|---|
| 47 | PangoItem *item; |
|---|
| 48 | PangoGlyphUnit *widths; |
|---|
| 49 | }; |
|---|
| 50 | |
|---|
| 51 | struct _HTMLTextPangoInfo { |
|---|
| 52 | HTMLTextPangoInfoEntry *entries; |
|---|
| 53 | PangoLogAttr *attrs; |
|---|
| 54 | gint n; |
|---|
| 55 | }; |
|---|
| 56 | |
|---|
| 57 | struct _HTMLPangoAttrFontSize { |
|---|
| 58 | PangoAttrInt attr_int; |
|---|
| 59 | GtkHTMLFontStyle style; |
|---|
| 60 | }; |
|---|
| 61 | |
|---|
| 62 | struct _HTMLText { |
|---|
| 63 | HTMLObject object; |
|---|
| 64 | |
|---|
| 65 | gchar *text; |
|---|
| 66 | guint text_len; |
|---|
| 67 | guint text_bytes; |
|---|
| 68 | |
|---|
| 69 | PangoAttrList *attr_list; |
|---|
| 70 | PangoAttrList *extra_attr_list; |
|---|
| 71 | GtkHTMLFontStyle font_style; |
|---|
| 72 | HTMLFontFace *face; |
|---|
| 73 | HTMLColor *color; |
|---|
| 74 | |
|---|
| 75 | guint select_start; |
|---|
| 76 | guint select_length; |
|---|
| 77 | |
|---|
| 78 | GList *spell_errors; |
|---|
| 79 | |
|---|
| 80 | HTMLTextPangoInfo *pi; |
|---|
| 81 | |
|---|
| 82 | GSList *links; |
|---|
| 83 | gint focused_link_offset; |
|---|
| 84 | }; |
|---|
| 85 | |
|---|
| 86 | struct _HTMLTextClass { |
|---|
| 87 | HTMLObjectClass object_class; |
|---|
| 88 | |
|---|
| 89 | void (* queue_draw) (HTMLText *text, HTMLEngine *engine, |
|---|
| 90 | guint offset, guint len); |
|---|
| 91 | |
|---|
| 92 | GtkHTMLFontStyle (* get_font_style) (const HTMLText *text); |
|---|
| 93 | void (* set_font_style) (HTMLText *text, HTMLEngine *engine, GtkHTMLFontStyle style); |
|---|
| 94 | }; |
|---|
| 95 | |
|---|
| 96 | extern HTMLTextClass html_text_class; |
|---|
| 97 | |
|---|
| 98 | void html_text_type_init (void); |
|---|
| 99 | void html_text_class_init (HTMLTextClass *klass, |
|---|
| 100 | HTMLType type, |
|---|
| 101 | guint object_size); |
|---|
| 102 | void html_text_init (HTMLText *text_object, |
|---|
| 103 | HTMLTextClass *klass, |
|---|
| 104 | const gchar *text, |
|---|
| 105 | gint len, |
|---|
| 106 | GtkHTMLFontStyle font_style, |
|---|
| 107 | HTMLColor *color); |
|---|
| 108 | HTMLObject *html_text_new (const gchar *text, |
|---|
| 109 | GtkHTMLFontStyle font_style, |
|---|
| 110 | HTMLColor *color); |
|---|
| 111 | HTMLObject *html_text_new_with_len (const gchar *text, |
|---|
| 112 | gint len, |
|---|
| 113 | GtkHTMLFontStyle font_style, |
|---|
| 114 | HTMLColor *color); |
|---|
| 115 | void html_text_queue_draw (HTMLText *text, |
|---|
| 116 | HTMLEngine *engine, |
|---|
| 117 | guint offset, |
|---|
| 118 | guint len); |
|---|
| 119 | GtkHTMLFontStyle html_text_get_font_style (const HTMLText *text); |
|---|
| 120 | void html_text_set_font_style (HTMLText *text, |
|---|
| 121 | HTMLEngine *engine, |
|---|
| 122 | GtkHTMLFontStyle style); |
|---|
| 123 | void html_text_append (HTMLText *text, |
|---|
| 124 | const gchar *str, |
|---|
| 125 | gint len); |
|---|
| 126 | void html_text_set_text (HTMLText *text, |
|---|
| 127 | const gchar *new_text); |
|---|
| 128 | void html_text_set_font_face (HTMLText *text, |
|---|
| 129 | HTMLFontFace *face); |
|---|
| 130 | gint html_text_get_nb_width (HTMLText *text, |
|---|
| 131 | HTMLPainter *painter, |
|---|
| 132 | gboolean begin); |
|---|
| 133 | guint html_text_get_bytes (HTMLText *text); |
|---|
| 134 | guint html_text_get_index (HTMLText *text, |
|---|
| 135 | guint offset); |
|---|
| 136 | gunichar html_text_get_char (HTMLText *text, |
|---|
| 137 | guint offset); |
|---|
| 138 | gchar *html_text_get_text (HTMLText *text, |
|---|
| 139 | guint offset); |
|---|
| 140 | GList *html_text_get_items (HTMLText *text, |
|---|
| 141 | HTMLPainter *painter); |
|---|
| 142 | void html_text_spell_errors_clear (HTMLText *text); |
|---|
| 143 | void html_text_spell_errors_clear_interval (HTMLText *text, |
|---|
| 144 | HTMLInterval *i); |
|---|
| 145 | void html_text_spell_errors_add (HTMLText *text, |
|---|
| 146 | guint off, |
|---|
| 147 | guint len); |
|---|
| 148 | gboolean html_text_magic_link (HTMLText *text, |
|---|
| 149 | HTMLEngine *engine, |
|---|
| 150 | guint offset); |
|---|
| 151 | gint html_text_trail_space_width (HTMLText *text, |
|---|
| 152 | HTMLPainter *painter); |
|---|
| 153 | gboolean html_text_convert_nbsp (HTMLText *text, |
|---|
| 154 | gboolean free_text); |
|---|
| 155 | gint html_text_get_line_offset (HTMLText *text, |
|---|
| 156 | HTMLPainter *painter, |
|---|
| 157 | gint offset); |
|---|
| 158 | gint html_text_text_line_length (const gchar *text, |
|---|
| 159 | gint *line_offset, |
|---|
| 160 | guint len, |
|---|
| 161 | gint *tabs); |
|---|
| 162 | gint html_text_calc_part_width (HTMLText *text, |
|---|
| 163 | HTMLPainter *painter, |
|---|
| 164 | char *start, |
|---|
| 165 | gint offset, |
|---|
| 166 | gint len, |
|---|
| 167 | gint *asc, |
|---|
| 168 | gint *dsc); |
|---|
| 169 | gint html_text_get_item_index (HTMLText *text, |
|---|
| 170 | HTMLPainter *painter, |
|---|
| 171 | gint offset, |
|---|
| 172 | gint *item_offset); |
|---|
| 173 | gboolean html_text_pi_backward (HTMLTextPangoInfo *pi, |
|---|
| 174 | gint *ii, |
|---|
| 175 | gint *io); |
|---|
| 176 | gboolean html_text_pi_forward (HTMLTextPangoInfo *pi, |
|---|
| 177 | gint *ii, |
|---|
| 178 | gint *io); |
|---|
| 179 | void html_text_free_attrs (GSList *attrs); |
|---|
| 180 | gint html_text_tail_white_space (HTMLText *text, |
|---|
| 181 | HTMLPainter *painter, |
|---|
| 182 | gint offset, |
|---|
| 183 | gint ii, |
|---|
| 184 | gint io, |
|---|
| 185 | gint *white_len, |
|---|
| 186 | gint line_offset, |
|---|
| 187 | gchar *s); |
|---|
| 188 | void html_text_append_link (HTMLText *text, |
|---|
| 189 | gchar *url, |
|---|
| 190 | gchar *target, |
|---|
| 191 | gint start_offset, |
|---|
| 192 | gint end_offset); |
|---|
| 193 | void html_text_append_link_full (HTMLText *text, |
|---|
| 194 | gchar *url, |
|---|
| 195 | gchar *target, |
|---|
| 196 | gint start_index, |
|---|
| 197 | gint end_index, |
|---|
| 198 | gint start_offset, |
|---|
| 199 | gint end_offset); |
|---|
| 200 | void html_text_add_link (HTMLText *text, |
|---|
| 201 | HTMLEngine *e, |
|---|
| 202 | gchar *url, |
|---|
| 203 | gchar *target, |
|---|
| 204 | gint start_offset, |
|---|
| 205 | gint end_offset); |
|---|
| 206 | void html_text_add_link_full (HTMLText *text, |
|---|
| 207 | HTMLEngine *e, |
|---|
| 208 | gchar *url, |
|---|
| 209 | gchar *target, |
|---|
| 210 | gint start_index, |
|---|
| 211 | gint end_index, |
|---|
| 212 | gint start_offset, |
|---|
| 213 | gint end_offset); |
|---|
| 214 | void html_text_remove_links (HTMLText *text); |
|---|
| 215 | gboolean html_text_get_link_rectangle (HTMLText *text, |
|---|
| 216 | HTMLPainter *painter, |
|---|
| 217 | gint offset, |
|---|
| 218 | gint *x1, |
|---|
| 219 | gint *y1, |
|---|
| 220 | gint *x2, |
|---|
| 221 | gint *y2); |
|---|
| 222 | Link *html_text_get_link_at_offset (HTMLText *text, |
|---|
| 223 | gint offset); |
|---|
| 224 | HTMLTextSlave *html_text_get_slave_at_offset (HTMLObject *o, |
|---|
| 225 | gint offset); |
|---|
| 226 | Link *html_text_get_link_slaves_at_offset (HTMLText *text, |
|---|
| 227 | gint offset, |
|---|
| 228 | HTMLTextSlave **start, |
|---|
| 229 | HTMLTextSlave **end); |
|---|
| 230 | gboolean html_text_next_link_offset (HTMLText *text, |
|---|
| 231 | gint *offset); |
|---|
| 232 | gboolean html_text_prev_link_offset (HTMLText *text, |
|---|
| 233 | gint *offset); |
|---|
| 234 | gboolean html_text_first_link_offset (HTMLText *text, |
|---|
| 235 | gint *offset); |
|---|
| 236 | gboolean html_text_last_link_offset (HTMLText *text, |
|---|
| 237 | gint *offset); |
|---|
| 238 | gchar *html_text_get_link_text (HTMLText *text, |
|---|
| 239 | gint offset); |
|---|
| 240 | void html_text_calc_font_size (HTMLText *text, |
|---|
| 241 | HTMLEngine *e); |
|---|
| 242 | GtkHTMLFontStyle html_text_get_fontstyle_at_index (HTMLText *text, |
|---|
| 243 | gint index); |
|---|
| 244 | GtkHTMLFontStyle html_text_get_style_conflicts (HTMLText *text, |
|---|
| 245 | GtkHTMLFontStyle style, |
|---|
| 246 | gint start_index, |
|---|
| 247 | gint end_index); |
|---|
| 248 | void html_text_set_style_in_range (HTMLText *text, |
|---|
| 249 | GtkHTMLFontStyle style, |
|---|
| 250 | HTMLEngine *e, |
|---|
| 251 | gint start_index, |
|---|
| 252 | gint end_index); |
|---|
| 253 | void html_text_set_style (HTMLText *text, |
|---|
| 254 | GtkHTMLFontStyle style, |
|---|
| 255 | HTMLEngine *e); |
|---|
| 256 | void html_text_unset_style (HTMLText *text, |
|---|
| 257 | GtkHTMLFontStyle style); |
|---|
| 258 | HTMLColor *html_text_get_color_at_index (HTMLText *text, |
|---|
| 259 | HTMLEngine *e, |
|---|
| 260 | gint index); |
|---|
| 261 | HTMLColor *html_text_get_color (HTMLText *text, |
|---|
| 262 | HTMLEngine *e, |
|---|
| 263 | gint start_index); |
|---|
| 264 | void html_text_set_color_in_range (HTMLText *text, |
|---|
| 265 | HTMLColor *color, |
|---|
| 266 | gint start_index, |
|---|
| 267 | gint end_index); |
|---|
| 268 | void html_text_set_color (HTMLText *text, |
|---|
| 269 | HTMLColor *color); |
|---|
| 270 | |
|---|
| 271 | Link *html_link_new (gchar *url, |
|---|
| 272 | gchar *target, |
|---|
| 273 | guint start_index, |
|---|
| 274 | guint end_index, |
|---|
| 275 | gint start_offset, |
|---|
| 276 | gint end_offset); |
|---|
| 277 | Link *html_link_dup (Link *link); |
|---|
| 278 | void html_link_free (Link *link); |
|---|
| 279 | gboolean html_link_equal (Link *l1, |
|---|
| 280 | Link *l2); |
|---|
| 281 | void html_link_set_url_and_target (Link *link, |
|---|
| 282 | gchar *url, |
|---|
| 283 | gchar *target); |
|---|
| 284 | |
|---|
| 285 | /* |
|---|
| 286 | * protected |
|---|
| 287 | */ |
|---|
| 288 | HTMLTextPangoInfo *html_text_pango_info_new (gint n); |
|---|
| 289 | void html_text_pango_info_destroy (HTMLTextPangoInfo *pi); |
|---|
| 290 | HTMLTextPangoInfo *html_text_get_pango_info (HTMLText *text, |
|---|
| 291 | HTMLPainter *painter); |
|---|
| 292 | gint html_text_pango_info_get_index (HTMLTextPangoInfo *pi, |
|---|
| 293 | gint byte_offset, |
|---|
| 294 | gint idx); |
|---|
| 295 | PangoAttribute *html_pango_attr_font_size_new (GtkHTMLFontStyle style); |
|---|
| 296 | void html_pango_attr_font_size_calc (HTMLPangoAttrFontSize *attr, |
|---|
| 297 | HTMLEngine *e); |
|---|
| 298 | PangoAttrList *html_text_get_attr_list (HTMLText *text, |
|---|
| 299 | gint start_index, |
|---|
| 300 | gint end_index); |
|---|
| 301 | void html_text_calc_text_size (HTMLText *t, |
|---|
| 302 | HTMLPainter *painter, |
|---|
| 303 | gint start_byte_offset, |
|---|
| 304 | guint len, |
|---|
| 305 | HTMLTextPangoInfo *pi, |
|---|
| 306 | GList *glyphs, |
|---|
| 307 | gint *line_offset, |
|---|
| 308 | GtkHTMLFontStyle font_style, |
|---|
| 309 | HTMLFontFace *face, |
|---|
| 310 | gint *width, |
|---|
| 311 | gint *asc, |
|---|
| 312 | gint *dsc); |
|---|
| 313 | void html_text_change_attrs (PangoAttrList *attr_list, |
|---|
| 314 | GtkHTMLFontStyle style, |
|---|
| 315 | HTMLEngine *e, |
|---|
| 316 | gint start_index, |
|---|
| 317 | gint end_index, |
|---|
| 318 | gboolean avoid_default_size); |
|---|
| 319 | |
|---|
| 320 | gboolean html_text_is_line_break (PangoLogAttr attr); |
|---|
| 321 | void html_text_remove_unwanted_line_breaks (char *s, |
|---|
| 322 | int len, |
|---|
| 323 | PangoLogAttr *attrs); |
|---|
| 324 | |
|---|
| 325 | typedef HTMLObject * (* HTMLTextHelperFunc) (HTMLText *, gint begin, gint end); |
|---|
| 326 | HTMLObject *html_text_op_copy_helper (HTMLText *text, |
|---|
| 327 | GList *from, |
|---|
| 328 | GList *to, |
|---|
| 329 | guint *len); |
|---|
| 330 | HTMLObject *html_text_op_cut_helper (HTMLText *text, |
|---|
| 331 | HTMLEngine *e, |
|---|
| 332 | GList *from, |
|---|
| 333 | GList *to, |
|---|
| 334 | GList *left, |
|---|
| 335 | GList *right, |
|---|
| 336 | guint *len); |
|---|
| 337 | #endif /* _HTMLTEXT_H_ */ |
|---|
