Pileus Git - ~andy/gtk/blob - gtk/gtkcssstylepropertyimpl.c

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 2010 Carlos Garnacho <carlosg@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 "gtkstylepropertyprivate.h"
  21
  22 #include <gobject/gvaluecollector.h>
  23 #include <gdk-pixbuf/gdk-pixbuf.h>
  24 #include <cairo-gobject.h>
  25 #include <math.h>
  26
  27 #include "gtkcssparserprivate.h"
  28 #include "gtkcssstylefuncsprivate.h"
  29 #include "gtkcssstylepropertyprivate.h"
  30 #include "gtkcsstypesprivate.h"
  31 #include "gtkintl.h"
  32 #include "gtkprivatetypebuiltins.h"
  33 #include "gtkstylepropertiesprivate.h"
  34
  35 /* this is in case round() is not provided by the compiler,
  36  * such as in the case of C89 compilers, like MSVC
  37  */
  38 #include "fallback-c89.c"
  39
  40 /* the actual parsers we have */
  41 #include "gtkanimationdescription.h"
  42 #include "gtkbindings.h"
  43 #include "gtkcssimageprivate.h"
  44 #include "gtkgradient.h"
  45 #include "gtkshadowprivate.h"
  46 #include "gtksymboliccolorprivate.h"
  47 #include "gtkthemingengine.h"
  48 #include "gtktypebuiltins.h"
  49 #include "gtkwin32themeprivate.h"
  50
  51 /*** REGISTRATION ***/
  52
  53 static void
  54 gtk_css_style_property_register (const char *                   name,
  55                                  GType                          specified_type,
  56                                  GType                          computed_type,
  57                                  GType                          value_type,
  58                                  GtkStylePropertyFlags          flags,
  59                                  GtkCssStylePropertyParseFunc   parse_value,
  60                                  GtkCssStylePropertyPrintFunc   print_value,
  61                                  GtkCssStylePropertyComputeFunc compute_value,
  62                                  ...)
  63 {
  64   GtkCssStyleProperty *node;
  65   GValue initial_value = G_VALUE_INIT;
  66   char *error = NULL;
  67   va_list args;
  68
  69   va_start (args, compute_value);
  70   G_VALUE_COLLECT_INIT (&initial_value, specified_type,
  71                         args, 0, &error);
  72   if (error)
  73     {
  74       g_error ("property `%s' initial value is broken: %s", name, error);
  75       g_value_unset (&initial_value);
  76       return;
  77     }
  78
  79   va_end (args);
  80
  81   node = g_object_new (GTK_TYPE_CSS_STYLE_PROPERTY,
  82                        "value-type", value_type,
  83                        "computed-type", computed_type,
  84                        "inherit", (flags & GTK_STYLE_PROPERTY_INHERIT) ? TRUE : FALSE,
  85                        "initial-value", &initial_value,
  86                        "name", name,
  87                        NULL);
  88
  89   if (parse_value)
  90     node->parse_value = parse_value;
  91   if (print_value)
  92     node->print_value = print_value;
  93   if (compute_value)
  94     node->compute_value = compute_value;
  95
  96   g_value_unset (&initial_value);
  97 }
  98
  99 /*** HELPERS ***/
 100
 101 static void
 102 string_append_string (GString    *str,
 103                       const char *string)
 104 {
 105   gsize len;
 106
 107   g_string_append_c (str, '"');
 108
 109   do {
 110     len = strcspn (string, "\"\n\r\f");
 111     g_string_append (str, string);
 112     string += len;
 113     switch (*string)
 114       {
 115       case '\0':
 116         break;
 117       case '\n':
 118         g_string_append (str, "\\A ");
 119         break;
 120       case '\r':
 121         g_string_append (str, "\\D ");
 122         break;
 123       case '\f':
 124         g_string_append (str, "\\C ");
 125         break;
 126       case '\"':
 127         g_string_append (str, "\\\"");
 128         break;
 129       default:
 130         g_assert_not_reached ();
 131         break;
 132       }
 133   } while (*string);
 134
 135   g_string_append_c (str, '"');
 136 }
 137
 138 /*** IMPLEMENTATIONS ***/
 139
 140 static void
 141 color_compute (GtkCssStyleProperty    *property,
 142                GValue                 *computed,
 143                GtkStyleContext        *context,
 144                const GValue           *specified)
 145 {
 146   GtkSymbolicColor *symbolic = g_value_get_boxed (specified);
 147   GdkRGBA rgba;
 148
 149   if (symbolic == _gtk_symbolic_color_get_current_color ())
 150     {
 151       /* The computed value of the ‘currentColor’ keyword is the computed
 152        * value of the ‘color’ property. If the ‘currentColor’ keyword is
 153        * set on the ‘color’ property itself, it is treated as ‘color: inherit’.
 154        */
 155       if (g_str_equal (_gtk_style_property_get_name (GTK_STYLE_PROPERTY (property)), "color"))
 156         {
 157           GtkStyleContext *parent = gtk_style_context_get_parent (context);
 158
 159           if (parent)
 160             g_value_copy (_gtk_style_context_peek_property (parent, "color"), computed);
 161           else
 162             _gtk_css_style_compute_value (computed,
 163                                           context,
 164                                           _gtk_css_style_property_get_initial_value (property));
 165         }
 166       else
 167         {
 168           g_value_copy (_gtk_style_context_peek_property (context, "color"), computed);
 169         }
 170     }
 171   else if (_gtk_style_context_resolve_color (context,
 172                                              symbolic,
 173                                              &rgba))
 174     {
 175       g_value_set_boxed (computed, &rgba);
 176     }
 177   else
 178     {
 179       color_compute (property,
 180                      computed,
 181                      context,
 182                      _gtk_css_style_property_get_initial_value (property));
 183     }
 184 }
 185
 186 static gboolean
 187 font_family_parse (GtkCssStyleProperty *property,
 188                    GValue              *value,
 189                    GtkCssParser        *parser,
 190                    GFile               *base)
 191 {
 192   GPtrArray *names;
 193   char *name;
 194
 195   /* We don't special case generic families. Pango should do
 196    * that for us */
 197
 198   names = g_ptr_array_new ();
 199
 200   do {
 201     name = _gtk_css_parser_try_ident (parser, TRUE);
 202     if (name)
 203       {
 204         GString *string = g_string_new (name);
 205         g_free (name);
 206         while ((name = _gtk_css_parser_try_ident (parser, TRUE)))
 207           {
 208             g_string_append_c (string, ' ');
 209             g_string_append (string, name);
 210             g_free (name);
 211           }
 212         name = g_string_free (string, FALSE);
 213       }
 214     else
 215       {
 216         name = _gtk_css_parser_read_string (parser);
 217         if (name == NULL)
 218           {
 219             g_ptr_array_free (names, TRUE);
 220             return FALSE;
 221           }
 222       }
 223
 224     g_ptr_array_add (names, name);
 225   } while (_gtk_css_parser_try (parser, ",", TRUE));
 226
 227   /* NULL-terminate array */
 228   g_ptr_array_add (names, NULL);
 229   g_value_set_boxed (value, g_ptr_array_free (names, FALSE));
 230   return TRUE;
 231 }
 232
 233 static void
 234 font_family_value_print (GtkCssStyleProperty *property,
 235                          const GValue        *value,
 236                          GString             *string)
 237 {
 238   const char **names = g_value_get_boxed (value);
 239
 240   if (names == NULL || *names == NULL)
 241     {
 242       g_string_append (string, "none");
 243       return;
 244     }
 245
 246   string_append_string (string, *names);
 247   names++;
 248   while (*names)
 249     {
 250       g_string_append (string, ", ");
 251       string_append_string (string, *names);
 252       names++;
 253     }
 254 }
 255
 256 static gboolean
 257 bindings_value_parse (GtkCssStyleProperty *property,
 258                       GValue              *value,
 259                       GtkCssParser        *parser,
 260                       GFile               *base)
 261 {
 262   GPtrArray *array;
 263   GtkBindingSet *binding_set;
 264   char *name;
 265
 266   array = g_ptr_array_new ();
 267
 268   do {
 269       name = _gtk_css_parser_try_ident (parser, TRUE);
 270       if (name == NULL)
 271         {
 272           _gtk_css_parser_error (parser, "Not a valid binding name");
 273           g_ptr_array_free (array, TRUE);
 274           return FALSE;
 275         }
 276
 277       binding_set = gtk_binding_set_find (name);
 278
 279       if (!binding_set)
 280         {
 281           _gtk_css_parser_error (parser, "No binding set named '%s'", name);
 282           g_free (name);
 283           continue;
 284         }
 285
 286       g_ptr_array_add (array, binding_set);
 287       g_free (name);
 288     }
 289   while (_gtk_css_parser_try (parser, ",", TRUE));
 290
 291   g_value_take_boxed (value, array);
 292
 293   return TRUE;
 294 }
 295
 296 static void
 297 bindings_value_print (GtkCssStyleProperty *property,
 298                       const GValue        *value,
 299                       GString             *string)
 300 {
 301   GPtrArray *array;
 302   guint i;
 303
 304   array = g_value_get_boxed (value);
 305
 306   for (i = 0; i < array->len; i++)
 307     {
 308       GtkBindingSet *binding_set = g_ptr_array_index (array, i);
 309
 310       if (i > 0)
 311         g_string_append (string, ", ");
 312       g_string_append (string, binding_set->set_name);
 313     }
 314 }
 315
 316 static gboolean
 317 border_corner_radius_value_parse (GtkCssStyleProperty *property,
 318                                   GValue              *value,
 319                                   GtkCssParser        *parser,
 320                                   GFile               *base)
 321 {
 322   GtkCssBorderCornerRadius corner;
 323
 324   if (!_gtk_css_parser_read_number (parser,
 325                                     &corner.horizontal,
 326                                     GTK_CSS_POSITIVE_ONLY
 327                                     | GTK_CSS_PARSE_PERCENT
 328                                     | GTK_CSS_NUMBER_AS_PIXELS
 329                                     | GTK_CSS_PARSE_LENGTH))
 330     return FALSE;
 331
 332   if (!_gtk_css_parser_has_number (parser))
 333     corner.vertical = corner.horizontal;
 334   else if (!_gtk_css_parser_read_number (parser,
 335                                          &corner.vertical,
 336                                          GTK_CSS_POSITIVE_ONLY
 337                                          | GTK_CSS_PARSE_PERCENT
 338                                          | GTK_CSS_NUMBER_AS_PIXELS
 339                                          | GTK_CSS_PARSE_LENGTH))
 340     return FALSE;
 341
 342   g_value_set_boxed (value, &corner);
 343   return TRUE;
 344 }
 345
 346 static void
 347 border_corner_radius_value_print (GtkCssStyleProperty *property,
 348                                   const GValue        *value,
 349                                   GString             *string)
 350 {
 351   GtkCssBorderCornerRadius *corner;
 352
 353   corner = g_value_get_boxed (value);
 354
 355   _gtk_css_number_print (&corner->horizontal, string);
 356
 357   if (!_gtk_css_number_equal (&corner->horizontal, &corner->vertical))
 358     {
 359       g_string_append_c (string, ' ');
 360       _gtk_css_number_print (&corner->vertical, string);
 361     }
 362 }
 363
 364 static gboolean
 365 css_image_value_parse (GtkCssStyleProperty *property,
 366                        GValue              *value,
 367                        GtkCssParser        *parser,
 368                        GFile               *base)
 369 {
 370   GtkCssImage *image;
 371
 372   if (_gtk_css_parser_try (parser, "none", TRUE))
 373     image = NULL;
 374   else
 375     {
 376       image = _gtk_css_image_new_parse (parser, base);
 377       if (image == NULL)
 378         return FALSE;
 379     }
 380
 381   g_value_take_object (value, image);
 382   return TRUE;
 383 }
 384
 385 static void
 386 css_image_value_print (GtkCssStyleProperty *property,
 387                        const GValue        *value,
 388                        GString             *string)
 389 {
 390   GtkCssImage *image = g_value_get_object (value);
 391
 392   if (image)
 393     _gtk_css_image_print (image, string);
 394   else
 395     g_string_append (string, "none");
 396 }
 397
 398 static void
 399 css_image_value_compute (GtkCssStyleProperty    *property,
 400                          GValue                 *computed,
 401                          GtkStyleContext        *context,
 402                          const GValue           *specified)
 403 {
 404   GtkCssImage *image = g_value_get_object (specified);
 405
 406   if (image)
 407     image = _gtk_css_image_compute (image, context);
 408
 409   g_value_take_object (computed, image);
 410 }
 411
 412 static gboolean
 413 parse_margin (GtkCssStyleProperty *property,
 414               GValue              *value,
 415               GtkCssParser        *parser,
 416               GFile               *base)
 417 {
 418   GtkCssNumber number;
 419
 420   if (!_gtk_css_parser_read_number (parser,
 421                                     &number,
 422                                     GTK_CSS_NUMBER_AS_PIXELS
 423                                     | GTK_CSS_PARSE_LENGTH))
 424     return FALSE;
 425
 426   g_value_set_boxed (value, &number);
 427   return TRUE;
 428 }
 429
 430 static void
 431 compute_margin (GtkCssStyleProperty *property,
 432                 GValue              *computed,
 433                 GtkStyleContext     *context,
 434                 const GValue        *specified)
 435 {
 436   GtkCssNumber number;
 437
 438   _gtk_css_number_compute (&number,
 439                            g_value_get_boxed (specified),
 440                            context);
 441   g_value_set_boxed (computed, &number);
 442 }
 443
 444 static gboolean
 445 parse_padding (GtkCssStyleProperty *property,
 446                GValue              *value,
 447                GtkCssParser        *parser,
 448                GFile               *base)
 449 {
 450   GtkCssNumber number;
 451
 452   if (!_gtk_css_parser_read_number (parser,
 453                                     &number,
 454                                     GTK_CSS_POSITIVE_ONLY
 455                                     | GTK_CSS_NUMBER_AS_PIXELS
 456                                     | GTK_CSS_PARSE_LENGTH))
 457     return FALSE;
 458
 459   g_value_set_boxed (value, &number);
 460   return TRUE;
 461 }
 462
 463 static void
 464 compute_padding (GtkCssStyleProperty *property,
 465                  GValue              *computed,
 466                  GtkStyleContext     *context,
 467                  const GValue        *specified)
 468 {
 469   GtkCssNumber number;
 470
 471   _gtk_css_number_compute (&number,
 472                            g_value_get_boxed (specified),
 473                            context);
 474   g_value_set_boxed (computed, &number);
 475 }
 476
 477 static gboolean
 478 parse_border_width (GtkCssStyleProperty *property,
 479                     GValue              *value,
 480                     GtkCssParser        *parser,
 481                     GFile               *base)
 482 {
 483   GtkCssNumber number;
 484
 485   if (!_gtk_css_parser_read_number (parser,
 486                                     &number,
 487                                     GTK_CSS_POSITIVE_ONLY
 488                                     | GTK_CSS_NUMBER_AS_PIXELS
 489                                     | GTK_CSS_PARSE_LENGTH))
 490     return FALSE;
 491
 492   g_value_set_boxed (value, &number);
 493   return TRUE;
 494 }
 495
 496 static void
 497 compute_border_width (GtkCssStyleProperty    *property,
 498                       GValue                 *computed,
 499                       GtkStyleContext        *context,
 500                       const GValue           *specified)
 501 {
 502   GtkCssStyleProperty *style;
 503   GtkBorderStyle border_style;
 504   GtkCssNumber number;
 505
 506   /* The -1 is magic that is only true because we register the style
 507    * properties directly after the width properties.
 508    */
 509   style = _gtk_css_style_property_lookup_by_id (_gtk_css_style_property_get_id (property) - 1);
 510   border_style = g_value_get_enum (_gtk_style_context_peek_property (context, _gtk_style_property_get_name (GTK_STYLE_PROPERTY (style))));
 511
 512   if (border_style == GTK_BORDER_STYLE_NONE ||
 513       border_style == GTK_BORDER_STYLE_HIDDEN)
 514     {
 515       g_value_set_int (computed, 0);
 516       return;
 517     }
 518
 519   _gtk_css_number_compute (&number,
 520                            g_value_get_boxed (specified),
 521                            context);
 522   g_value_set_int (computed, round (number.value));
 523 }
 524
 525 static gboolean
 526 background_repeat_value_parse (GtkCssStyleProperty *property,
 527                                GValue              *value,
 528                                GtkCssParser        *parser,
 529                                GFile               *base)
 530 {
 531   int repeat, vertical;
 532
 533   if (!_gtk_css_parser_try_enum (parser, GTK_TYPE_CSS_BACKGROUND_REPEAT, &repeat))
 534     {
 535       _gtk_css_parser_error (parser, "Not a valid value");
 536       return FALSE;
 537     }
 538
 539   if (repeat <= GTK_CSS_BACKGROUND_REPEAT_MASK)
 540     {
 541       if (_gtk_css_parser_try_enum (parser, GTK_TYPE_CSS_BACKGROUND_REPEAT, &vertical))
 542         {
 543           if (vertical >= GTK_CSS_BACKGROUND_REPEAT_MASK)
 544             {
 545               _gtk_css_parser_error (parser, "Not a valid 2nd value");
 546               return FALSE;
 547             }
 548           else
 549             repeat |= vertical << GTK_CSS_BACKGROUND_REPEAT_SHIFT;
 550         }
 551       else
 552         repeat |= repeat << GTK_CSS_BACKGROUND_REPEAT_SHIFT;
 553     }
 554
 555   g_value_set_enum (value, repeat);
 556   return TRUE;
 557 }
 558
 559 static void
 560 background_repeat_value_print (GtkCssStyleProperty *property,
 561                                const GValue        *value,
 562                                GString             *string)
 563 {
 564   GEnumClass *enum_class;
 565   GEnumValue *enum_value;
 566   GtkCssBackgroundRepeat repeat;
 567
 568   repeat = g_value_get_enum (value);
 569   enum_class = g_type_class_ref (GTK_TYPE_CSS_BACKGROUND_REPEAT);
 570   enum_value = g_enum_get_value (enum_class, repeat);
 571
 572   /* only triggers for 'repeat-x' and 'repeat-y' */
 573   if (enum_value)
 574     g_string_append (string, enum_value->value_nick);
 575   else
 576     {
 577       enum_value = g_enum_get_value (enum_class, GTK_CSS_BACKGROUND_HORIZONTAL (repeat));
 578       g_string_append (string, enum_value->value_nick);
 579
 580       if (GTK_CSS_BACKGROUND_HORIZONTAL (repeat) != GTK_CSS_BACKGROUND_VERTICAL (repeat))
 581         {
 582           enum_value = g_enum_get_value (enum_class, GTK_CSS_BACKGROUND_VERTICAL (repeat));
 583           g_string_append (string, " ");
 584           g_string_append (string, enum_value->value_nick);
 585         }
 586     }
 587
 588   g_type_class_unref (enum_class);
 589 }
 590
 591 static gboolean
 592 background_size_parse (GtkCssStyleProperty *property,
 593                        GValue              *value,
 594                        GtkCssParser        *parser,
 595                        GFile               *base)
 596 {
 597   GtkCssBackgroundSize size = { GTK_CSS_NUMBER_INIT (0, GTK_CSS_PX), GTK_CSS_NUMBER_INIT (0, GTK_CSS_PX), FALSE, FALSE};
 598
 599   if (_gtk_css_parser_try (parser, "cover", TRUE))
 600     size.cover = TRUE;
 601   else if (_gtk_css_parser_try (parser, "contain", TRUE))
 602     size.contain = TRUE;
 603   else
 604     {
 605       if (_gtk_css_parser_try (parser, "auto", TRUE))
 606         _gtk_css_number_init (&size.width, 0, GTK_CSS_PX);
 607       else if (!_gtk_css_parser_read_number (parser,
 608                                              &size.width,
 609                                              GTK_CSS_POSITIVE_ONLY
 610                                              | GTK_CSS_PARSE_PERCENT
 611                                              | GTK_CSS_PARSE_LENGTH))
 612         return FALSE;
 613
 614       if (_gtk_css_parser_try (parser, "auto", TRUE))
 615         _gtk_css_number_init (&size.height, 0, GTK_CSS_PX);
 616       else if (_gtk_css_parser_has_number (parser))
 617         {
 618           if (!_gtk_css_parser_read_number (parser,
 619                                             &size.height,
 620                                             GTK_CSS_POSITIVE_ONLY
 621                                             | GTK_CSS_PARSE_PERCENT
 622                                             | GTK_CSS_PARSE_LENGTH))
 623             return FALSE;
 624         }
 625       else
 626         _gtk_css_number_init (&size.height, 0, GTK_CSS_PX);
 627     }
 628
 629   g_value_set_boxed (value, &size);
 630   return TRUE;
 631 }
 632
 633 static void
 634 background_size_print (GtkCssStyleProperty *property,
 635                        const GValue        *value,
 636                        GString             *string)
 637 {
 638   GtkCssBackgroundSize *size = g_value_get_boxed (value);
 639
 640   if (size->cover)
 641     g_string_append (string, "cover");
 642   else if (size->contain)
 643     g_string_append (string, "contain");
 644   else
 645     {
 646       if (size->width.value == 0)
 647         g_string_append (string, "auto");
 648       else
 649         _gtk_css_number_print (&size->width, string);
 650
 651       if (size->height.value != 0)
 652         {
 653           g_string_append (string, " ");
 654           _gtk_css_number_print (&size->height, string);
 655         }
 656     }
 657 }
 658
 659 static void
 660 background_size_compute (GtkCssStyleProperty    *property,
 661                          GValue                 *computed,
 662                          GtkStyleContext        *context,
 663                          const GValue           *specified)
 664 {
 665   GtkCssBackgroundSize *ssize = g_value_get_boxed (specified);
 666   GtkCssBackgroundSize csize;
 667
 668   csize.cover = ssize->cover;
 669   csize.contain = ssize->contain;
 670   _gtk_css_number_compute (&csize.width,
 671                            &ssize->width,
 672                            context);
 673   _gtk_css_number_compute (&csize.height,
 674                            &ssize->height,
 675                            context);
 676
 677   g_value_set_boxed (computed, &csize);
 678 }
 679
 680 /*** REGISTRATION ***/
 681
 682 static GtkSymbolicColor *
 683 gtk_symbolic_color_new_rgba (double red,
 684                              double green,
 685                              double blue,
 686                              double alpha)
 687 {
 688   GdkRGBA rgba = { red, green, blue, alpha };
 689
 690   return gtk_symbolic_color_new_literal (&rgba);
 691 }
 692
 693 void
 694 _gtk_css_style_property_init_properties (void)
 695 {
 696   char *default_font_family[] = { "Sans", NULL };
 697   GtkCssNumber number;
 698   GtkSymbolicColor *symbolic;
 699   GtkCssBackgroundSize default_background_size = { GTK_CSS_NUMBER_INIT (0, GTK_CSS_PX), GTK_CSS_NUMBER_INIT (0, GTK_CSS_PX), FALSE, FALSE };
 700   GtkCssBorderCornerRadius no_corner_radius = { GTK_CSS_NUMBER_INIT (0, GTK_CSS_PX), GTK_CSS_NUMBER_INIT (0, GTK_CSS_PX) };
 701   GtkBorder border_of_ones = { 1, 1, 1, 1 };
 702   GtkCssBorderImageRepeat border_image_repeat = { GTK_CSS_REPEAT_STYLE_STRETCH, GTK_CSS_REPEAT_STYLE_STRETCH };
 703
 704   /* Initialize "color" and "font-size" first,
 705    * so that when computing values later they are
 706    * done first. That way, 'currentColor' and font
 707    * sizes in em can be looked up properly */
 708   symbolic = gtk_symbolic_color_new_rgba (1, 1, 1, 1);
 709   gtk_css_style_property_register        ("color",
 710                                           GTK_TYPE_SYMBOLIC_COLOR,
 711                                           GDK_TYPE_RGBA,
 712                                           GDK_TYPE_RGBA,
 713                                           GTK_STYLE_PROPERTY_INHERIT,
 714                                           NULL,
 715                                           NULL,
 716                                           color_compute,
 717                                           symbolic);
 718   gtk_symbolic_color_unref (symbolic);
 719   gtk_css_style_property_register        ("font-size",
 720                                           G_TYPE_DOUBLE,
 721                                           G_TYPE_DOUBLE,
 722                                           G_TYPE_DOUBLE,
 723                                           GTK_STYLE_PROPERTY_INHERIT,
 724                                           NULL,
 725                                           NULL,
 726                                           NULL,
 727                                           10.0);
 728
 729   /* properties that aren't referenced when computing values
 730    * start here */
 731   symbolic = gtk_symbolic_color_new_rgba (0, 0, 0, 0);
 732   gtk_css_style_property_register        ("background-color",
 733                                           GTK_TYPE_SYMBOLIC_COLOR,
 734                                           GDK_TYPE_RGBA,
 735                                           GDK_TYPE_RGBA,
 736                                           0,
 737                                           NULL,
 738                                           NULL,
 739                                           color_compute,
 740                                           symbolic);
 741   gtk_symbolic_color_unref (symbolic);
 742
 743   gtk_css_style_property_register        ("font-family",
 744                                           G_TYPE_STRV,
 745                                           G_TYPE_STRV,
 746                                           G_TYPE_STRV,
 747                                           GTK_STYLE_PROPERTY_INHERIT,
 748                                           font_family_parse,
 749                                           font_family_value_print,
 750                                           NULL,
 751                                           default_font_family);
 752   gtk_css_style_property_register        ("font-style",
 753                                           PANGO_TYPE_STYLE,
 754                                           PANGO_TYPE_STYLE,
 755                                           PANGO_TYPE_STYLE,
 756                                           GTK_STYLE_PROPERTY_INHERIT,
 757                                           NULL,
 758                                           NULL,
 759                                           NULL,
 760                                           PANGO_STYLE_NORMAL);
 761   gtk_css_style_property_register        ("font-variant",
 762                                           PANGO_TYPE_VARIANT,
 763                                           PANGO_TYPE_VARIANT,
 764                                           PANGO_TYPE_VARIANT,
 765                                           GTK_STYLE_PROPERTY_INHERIT,
 766                                           NULL,
 767                                           NULL,
 768                                           NULL,
 769                                           PANGO_VARIANT_NORMAL);
 770   /* xxx: need to parse this properly, ie parse the numbers */
 771   gtk_css_style_property_register        ("font-weight",
 772                                           PANGO_TYPE_WEIGHT,
 773                                           PANGO_TYPE_WEIGHT,
 774                                           PANGO_TYPE_WEIGHT,
 775                                           GTK_STYLE_PROPERTY_INHERIT,
 776                                           NULL,
 777                                           NULL,
 778                                           NULL,
 779                                           PANGO_WEIGHT_NORMAL);
 780
 781   gtk_css_style_property_register        ("text-shadow",
 782                                           GTK_TYPE_SHADOW,
 783                                           GTK_TYPE_SHADOW,
 784                                           GTK_TYPE_SHADOW,
 785                                           GTK_STYLE_PROPERTY_INHERIT,
 786                                           NULL,
 787                                           NULL,
 788                                           NULL,
 789                                           NULL);
 790
 791   gtk_css_style_property_register        ("icon-shadow",
 792                                           GTK_TYPE_SHADOW,
 793                                           GTK_TYPE_SHADOW,
 794                                           GTK_TYPE_SHADOW,
 795                                           GTK_STYLE_PROPERTY_INHERIT,
 796                                           NULL,
 797                                           NULL,
 798                                           NULL,
 799                                           NULL);
 800
 801   gtk_css_style_property_register        ("box-shadow",
 802                                           GTK_TYPE_SHADOW,
 803                                           GTK_TYPE_SHADOW,
 804                                           GTK_TYPE_SHADOW,
 805                                           0,
 806                                           NULL,
 807                                           NULL,
 808                                           NULL,
 809                                           NULL);
 810
 811   _gtk_css_number_init (&number, 0, GTK_CSS_PX);
 812   gtk_css_style_property_register        ("margin-top",
 813                                           GTK_TYPE_CSS_NUMBER,
 814                                           GTK_TYPE_CSS_NUMBER,
 815                                           G_TYPE_INT,
 816                                           0,
 817                                           parse_margin,
 818                                           NULL,
 819                                           compute_margin,
 820                                           &number);
 821   gtk_css_style_property_register        ("margin-left",
 822                                           GTK_TYPE_CSS_NUMBER,
 823                                           GTK_TYPE_CSS_NUMBER,
 824                                           G_TYPE_INT,
 825                                           0,
 826                                           parse_margin,
 827                                           NULL,
 828                                           compute_margin,
 829                                           &number);
 830   gtk_css_style_property_register        ("margin-bottom",
 831                                           GTK_TYPE_CSS_NUMBER,
 832                                           GTK_TYPE_CSS_NUMBER,
 833                                           G_TYPE_INT,
 834                                           0,
 835                                           parse_margin,
 836                                           NULL,
 837                                           compute_margin,
 838                                           &number);
 839   gtk_css_style_property_register        ("margin-right",
 840                                           GTK_TYPE_CSS_NUMBER,
 841                                           GTK_TYPE_CSS_NUMBER,
 842                                           G_TYPE_INT,
 843                                           0,
 844                                           parse_margin,
 845                                           NULL,
 846                                           compute_margin,
 847                                           &number);
 848   gtk_css_style_property_register        ("padding-top",
 849                                           GTK_TYPE_CSS_NUMBER,
 850                                           GTK_TYPE_CSS_NUMBER,
 851                                           G_TYPE_INT,
 852                                           0,
 853                                           parse_padding,
 854                                           NULL,
 855                                           compute_padding,
 856                                           &number);
 857   gtk_css_style_property_register        ("padding-left",
 858                                           GTK_TYPE_CSS_NUMBER,
 859                                           GTK_TYPE_CSS_NUMBER,
 860                                           G_TYPE_INT,
 861                                           0,
 862                                           parse_padding,
 863                                           NULL,
 864                                           compute_padding,
 865                                           &number);
 866   gtk_css_style_property_register        ("padding-bottom",
 867                                           GTK_TYPE_CSS_NUMBER,
 868                                           GTK_TYPE_CSS_NUMBER,
 869                                           G_TYPE_INT,
 870                                           0,
 871                                           parse_padding,
 872                                           NULL,
 873                                           compute_padding,
 874                                           &number);
 875   gtk_css_style_property_register        ("padding-right",
 876                                           GTK_TYPE_CSS_NUMBER,
 877                                           GTK_TYPE_CSS_NUMBER,
 878                                           G_TYPE_INT,
 879                                           0,
 880                                           parse_padding,
 881                                           NULL,
 882                                           compute_padding,
 883                                           &number);
 884   /* IMPORTANT: compute_border_width() requires that the border-width
 885    * properties be immeditaly followed by the border-style properties
 886    */
 887   gtk_css_style_property_register        ("border-top-style",
 888                                           GTK_TYPE_BORDER_STYLE,
 889                                           GTK_TYPE_BORDER_STYLE,
 890                                           GTK_TYPE_BORDER_STYLE,
 891                                           0,
 892                                           NULL,
 893                                           NULL,
 894                                           NULL,
 895                                           GTK_BORDER_STYLE_NONE);
 896   gtk_css_style_property_register        ("border-top-width",
 897                                           GTK_TYPE_CSS_NUMBER,
 898                                           G_TYPE_INT,
 899                                           G_TYPE_INT,
 900                                           0,
 901                                           parse_border_width,
 902                                           NULL,
 903                                           compute_border_width,
 904                                           &number);
 905   gtk_css_style_property_register        ("border-left-style",
 906                                           GTK_TYPE_BORDER_STYLE,
 907                                           GTK_TYPE_BORDER_STYLE,
 908                                           GTK_TYPE_BORDER_STYLE,
 909                                           0,
 910                                           NULL,
 911                                           NULL,
 912                                           NULL,
 913                                           GTK_BORDER_STYLE_NONE);
 914   gtk_css_style_property_register        ("border-left-width",
 915                                           GTK_TYPE_CSS_NUMBER,
 916                                           G_TYPE_INT,
 917                                           G_TYPE_INT,
 918                                           0,
 919                                           parse_border_width,
 920                                           NULL,
 921                                           compute_border_width,
 922                                           &number);
 923   gtk_css_style_property_register        ("border-bottom-style",
 924                                           GTK_TYPE_BORDER_STYLE,
 925                                           GTK_TYPE_BORDER_STYLE,
 926                                           GTK_TYPE_BORDER_STYLE,
 927                                           0,
 928                                           NULL,
 929                                           NULL,
 930                                           NULL,
 931                                           GTK_BORDER_STYLE_NONE);
 932   gtk_css_style_property_register        ("border-bottom-width",
 933                                           GTK_TYPE_CSS_NUMBER,
 934                                           G_TYPE_INT,
 935                                           G_TYPE_INT,
 936                                           0,
 937                                           parse_border_width,
 938                                           NULL,
 939                                           compute_border_width,
 940                                           &number);
 941   gtk_css_style_property_register        ("border-right-style",
 942                                           GTK_TYPE_BORDER_STYLE,
 943                                           GTK_TYPE_BORDER_STYLE,
 944                                           GTK_TYPE_BORDER_STYLE,
 945                                           0,
 946                                           NULL,
 947                                           NULL,
 948                                           NULL,
 949                                           GTK_BORDER_STYLE_NONE);
 950   gtk_css_style_property_register        ("border-right-width",
 951                                           GTK_TYPE_CSS_NUMBER,
 952                                           G_TYPE_INT,
 953                                           G_TYPE_INT,
 954                                           0,
 955                                           parse_border_width,
 956                                           NULL,
 957                                           compute_border_width,
 958                                           &number);
 959
 960   gtk_css_style_property_register        ("border-top-left-radius",
 961                                           GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
 962                                           GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
 963                                           GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
 964                                           0,
 965                                           border_corner_radius_value_parse,
 966                                           border_corner_radius_value_print,
 967                                           NULL,
 968                                           &no_corner_radius);
 969   gtk_css_style_property_register        ("border-top-right-radius",
 970                                           GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
 971                                           GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
 972                                           GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
 973                                           0,
 974                                           border_corner_radius_value_parse,
 975                                           border_corner_radius_value_print,
 976                                           NULL,
 977                                           &no_corner_radius);
 978   gtk_css_style_property_register        ("border-bottom-right-radius",
 979                                           GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
 980                                           GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
 981                                           GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
 982                                           0,
 983                                           border_corner_radius_value_parse,
 984                                           border_corner_radius_value_print,
 985                                           NULL,
 986                                           &no_corner_radius);
 987   gtk_css_style_property_register        ("border-bottom-left-radius",
 988                                           GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
 989                                           GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
 990                                           GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
 991                                           0,
 992                                           border_corner_radius_value_parse,
 993                                           border_corner_radius_value_print,
 994                                           NULL,
 995                                           &no_corner_radius);
 996
 997   gtk_css_style_property_register        ("outline-style",
 998                                           GTK_TYPE_BORDER_STYLE,
 999                                           GTK_TYPE_BORDER_STYLE,
1000                                           GTK_TYPE_BORDER_STYLE,
1001                                           0,
1002                                           NULL,
1003                                           NULL,
1004                                           NULL,
1005                                           GTK_BORDER_STYLE_NONE);
1006   gtk_css_style_property_register        ("outline-width",
1007                                           GTK_TYPE_CSS_NUMBER,
1008                                           G_TYPE_INT,
1009                                           G_TYPE_INT,
1010                                           0,
1011                                           parse_border_width,
1012                                           NULL,
1013                                           compute_border_width,
1014                                           &number);
1015   gtk_css_style_property_register        ("outline-offset",
1016                                           G_TYPE_INT,
1017                                           G_TYPE_INT,
1018                                           G_TYPE_INT,
1019                                           0,
1020                                           NULL,
1021                                           NULL,
1022                                           NULL,
1023                                           0);
1024
1025   gtk_css_style_property_register        ("background-clip",
1026                                           GTK_TYPE_CSS_AREA,
1027                                           GTK_TYPE_CSS_AREA,
1028                                           GTK_TYPE_CSS_AREA,
1029                                           0,
1030                                           NULL,
1031                                           NULL,
1032                                           NULL,
1033                                           GTK_CSS_AREA_BORDER_BOX);
1034   gtk_css_style_property_register        ("background-origin",
1035                                           GTK_TYPE_CSS_AREA,
1036                                           GTK_TYPE_CSS_AREA,
1037                                           GTK_TYPE_CSS_AREA,
1038                                           0,
1039                                           NULL,
1040                                           NULL,
1041                                           NULL,
1042                                           GTK_CSS_AREA_PADDING_BOX);
1043   gtk_css_style_property_register        ("background-size",
1044                                           GTK_TYPE_CSS_BACKGROUND_SIZE,
1045                                           GTK_TYPE_CSS_BACKGROUND_SIZE,
1046                                           G_TYPE_NONE,
1047                                           0,
1048                                           background_size_parse,
1049                                           background_size_print,
1050                                           background_size_compute,
1051                                           &default_background_size);
1052
1053   gtk_css_style_property_register        ("border-top-color",
1054                                           GTK_TYPE_SYMBOLIC_COLOR,
1055                                           GDK_TYPE_RGBA,
1056                                           GDK_TYPE_RGBA,
1057                                           0,
1058                                           NULL,
1059                                           NULL,
1060                                           color_compute,
1061                                           _gtk_symbolic_color_get_current_color ());
1062   gtk_css_style_property_register        ("border-right-color",
1063                                           GTK_TYPE_SYMBOLIC_COLOR,
1064                                           GDK_TYPE_RGBA,
1065                                           GDK_TYPE_RGBA,
1066                                           0,
1067                                           NULL,
1068                                           NULL,
1069                                           color_compute,
1070                                           _gtk_symbolic_color_get_current_color ());
1071   gtk_css_style_property_register        ("border-bottom-color",
1072                                           GTK_TYPE_SYMBOLIC_COLOR,
1073                                           GDK_TYPE_RGBA,
1074                                           GDK_TYPE_RGBA,
1075                                           0,
1076                                           NULL,
1077                                           NULL,
1078                                           color_compute,
1079                                           _gtk_symbolic_color_get_current_color ());
1080   gtk_css_style_property_register        ("border-left-color",
1081                                           GTK_TYPE_SYMBOLIC_COLOR,
1082                                           GDK_TYPE_RGBA,
1083                                           GDK_TYPE_RGBA,
1084                                           0,
1085                                           NULL,
1086                                           NULL,
1087                                           color_compute,
1088                                           _gtk_symbolic_color_get_current_color ());
1089   gtk_css_style_property_register        ("outline-color",
1090                                           GTK_TYPE_SYMBOLIC_COLOR,
1091                                           GDK_TYPE_RGBA,
1092                                           GDK_TYPE_RGBA,
1093                                           0,
1094                                           NULL,
1095                                           NULL,
1096                                           color_compute,
1097                                           _gtk_symbolic_color_get_current_color ());
1098
1099   gtk_css_style_property_register        ("background-repeat",
1100                                           GTK_TYPE_CSS_BACKGROUND_REPEAT,
1101                                           GTK_TYPE_CSS_BACKGROUND_REPEAT,
1102                                           GTK_TYPE_CSS_BACKGROUND_REPEAT,
1103                                           0,
1104                                           background_repeat_value_parse,
1105                                           background_repeat_value_print,
1106                                           NULL,
1107                                           GTK_CSS_BACKGROUND_REPEAT | (GTK_CSS_BACKGROUND_REPEAT << GTK_CSS_BACKGROUND_REPEAT_SHIFT));
1108   gtk_css_style_property_register        ("background-image",
1109                                           GTK_TYPE_CSS_IMAGE,
1110                                           GTK_TYPE_CSS_IMAGE,
1111                                           CAIRO_GOBJECT_TYPE_PATTERN,
1112                                           0,
1113                                           css_image_value_parse,
1114                                           css_image_value_print,
1115                                           css_image_value_compute,
1116                                           NULL);
1117
1118   gtk_css_style_property_register        ("border-image-source",
1119                                           GTK_TYPE_CSS_IMAGE,
1120                                           GTK_TYPE_CSS_IMAGE,
1121                                           CAIRO_GOBJECT_TYPE_PATTERN,
1122                                           0,
1123                                           css_image_value_parse,
1124                                           css_image_value_print,
1125                                           css_image_value_compute,
1126                                           NULL);
1127   gtk_css_style_property_register        ("border-image-repeat",
1128                                           GTK_TYPE_CSS_BORDER_IMAGE_REPEAT,
1129                                           GTK_TYPE_CSS_BORDER_IMAGE_REPEAT,
1130                                           GTK_TYPE_CSS_BORDER_IMAGE_REPEAT,
1131                                           0,
1132                                           NULL,
1133                                           NULL,
1134                                           NULL,
1135                                           &border_image_repeat);
1136
1137   /* XXX: The initial value is wrong, it should be 100% */
1138   gtk_css_style_property_register        ("border-image-slice",
1139                                           GTK_TYPE_BORDER,
1140                                           GTK_TYPE_BORDER,
1141                                           GTK_TYPE_BORDER,
1142                                           0,
1143                                           NULL,
1144                                           NULL,
1145                                           NULL,
1146                                           &border_of_ones);
1147   gtk_css_style_property_register        ("border-image-width",
1148                                           GTK_TYPE_BORDER,
1149                                           GTK_TYPE_BORDER,
1150                                           GTK_TYPE_BORDER,
1151                                           0,
1152                                           NULL,
1153                                           NULL,
1154                                           NULL,
1155                                           NULL);
1156   gtk_css_style_property_register        ("engine",
1157                                           GTK_TYPE_THEMING_ENGINE,
1158                                           GTK_TYPE_THEMING_ENGINE,
1159                                           GTK_TYPE_THEMING_ENGINE,
1160                                           0,
1161                                           NULL,
1162                                           NULL,
1163                                           NULL,
1164                                           gtk_theming_engine_load (NULL));
1165   gtk_css_style_property_register        ("transition",
1166                                           GTK_TYPE_ANIMATION_DESCRIPTION,
1167                                           GTK_TYPE_ANIMATION_DESCRIPTION,
1168                                           GTK_TYPE_ANIMATION_DESCRIPTION,
1169                                           0,
1170                                           NULL,
1171                                           NULL,
1172                                           NULL,
1173                                           NULL);
1174
1175   /* Private property holding the binding sets */
1176   gtk_css_style_property_register        ("gtk-key-bindings",
1177                                           G_TYPE_PTR_ARRAY,
1178                                           G_TYPE_PTR_ARRAY,
1179                                           G_TYPE_PTR_ARRAY,
1180                                           0,
1181                                           bindings_value_parse,
1182                                           bindings_value_print,
1183                                           NULL,
1184                                           NULL);
1185 }
1186