* 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, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkstylepropertyprivate.h"
-#include <errno.h>
-#include <math.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <gdk-pixbuf/gdk-pixbuf.h>
-#include <cairo-gobject.h>
-
#include "gtkcssprovider.h"
#include "gtkcssparserprivate.h"
#include "gtkcssshorthandpropertyprivate.h"
+#include "gtkcssstylefuncsprivate.h"
#include "gtkcssstylepropertyprivate.h"
#include "gtkcsstypesprivate.h"
#include "gtkintl.h"
#include "gtkprivatetypebuiltins.h"
#include "gtkstylepropertiesprivate.h"
-/* the actual parsers we have */
-#include "gtkanimationdescription.h"
-#include "gtkbindings.h"
-#include "gtkgradient.h"
-#include "gtkshadowprivate.h"
-#include "gtkthemingengine.h"
-#include "gtktypebuiltins.h"
-#include "gtkwin32themeprivate.h"
-
-/* this is in case round() is not provided by the compiler,
- * such as in the case of C89 compilers, like MSVC
- */
-#include "fallback-c89.c"
-
enum {
PROP_0,
- PROP_NAME
+ PROP_NAME,
+ PROP_VALUE_TYPE
};
-static GHashTable *parse_funcs = NULL;
-static GHashTable *print_funcs = NULL;
-static GPtrArray *__style_property_array = NULL;
-
G_DEFINE_ABSTRACT_TYPE (GtkStyleProperty, _gtk_style_property, G_TYPE_OBJECT)
static void
g_assert (g_hash_table_lookup (klass->properties, property->name) == NULL);
g_hash_table_insert (klass->properties, property->name, property);
break;
+ case PROP_VALUE_TYPE:
+ property->value_type = g_value_get_gtype (value);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
case PROP_NAME:
g_value_set_string (value, property->name);
break;
+ case PROP_VALUE_TYPE:
+ g_value_set_gtype (value, property->value_type);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
P_("The name of the property"),
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (object_class,
+ PROP_VALUE_TYPE,
+ g_param_spec_gtype ("value-type",
+ P_("Value type"),
+ P_("The value type returned by GtkStyleContext"),
+ G_TYPE_NONE,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
klass->properties = g_hash_table_new (g_str_hash, g_str_equal);
}
static void
_gtk_style_property_init (GtkStyleProperty *property)
{
+ property->value_type = G_TYPE_NONE;
}
-static void
-register_conversion_function (GType type,
- GtkStyleParseFunc parse,
- GtkStylePrintFunc print)
-{
- if (parse)
- g_hash_table_insert (parse_funcs, GSIZE_TO_POINTER (type), parse);
- if (print)
- g_hash_table_insert (print_funcs, GSIZE_TO_POINTER (type), print);
-}
-
-static void
-string_append_double (GString *string,
- double d)
-{
- char buf[G_ASCII_DTOSTR_BUF_SIZE];
-
- g_ascii_dtostr (buf, sizeof (buf), d);
- g_string_append (string, buf);
-}
-
-static void
-string_append_string (GString *str,
- const char *string)
-{
- gsize len;
-
- g_string_append_c (str, '"');
-
- do {
- len = strcspn (string, "\"\n\r\f");
- g_string_append (str, string);
- string += len;
- switch (*string)
- {
- case '\0':
- break;
- case '\n':
- g_string_append (str, "\\A ");
- break;
- case '\r':
- g_string_append (str, "\\D ");
- break;
- case '\f':
- g_string_append (str, "\\C ");
- break;
- case '\"':
- g_string_append (str, "\\\"");
- break;
- default:
- g_assert_not_reached ();
- break;
- }
- } while (*string);
-
- g_string_append_c (str, '"');
-}
-
-/*** IMPLEMENTATIONS ***/
-
-static gboolean
-enum_parse (GtkCssParser *parser,
- GType type,
- int *res)
-{
- char *str;
-
- if (_gtk_css_parser_try_enum (parser, type, res))
- return TRUE;
-
- str = _gtk_css_parser_try_ident (parser, TRUE);
- if (str == NULL)
- {
- _gtk_css_parser_error (parser, "Expected an identifier");
- return FALSE;
- }
-
- _gtk_css_parser_error (parser,
- "Unknown value '%s' for enum type '%s'",
- str, g_type_name (type));
- g_free (str);
-
- return FALSE;
-}
-
-static void
-enum_print (int value,
- GType type,
- GString *string)
-{
- GEnumClass *enum_class;
- GEnumValue *enum_value;
-
- enum_class = g_type_class_ref (type);
- enum_value = g_enum_get_value (enum_class, value);
-
- g_string_append (string, enum_value->value_nick);
-
- g_type_class_unref (enum_class);
-}
-
-static gboolean
-rgba_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- GtkSymbolicColor *symbolic;
- GdkRGBA rgba;
-
- symbolic = _gtk_css_parser_read_symbolic_color (parser);
- if (symbolic == NULL)
- return FALSE;
-
- if (gtk_symbolic_color_resolve (symbolic, NULL, &rgba))
- {
- g_value_set_boxed (value, &rgba);
- gtk_symbolic_color_unref (symbolic);
- }
- else
- {
- g_value_unset (value);
- g_value_init (value, GTK_TYPE_SYMBOLIC_COLOR);
- g_value_take_boxed (value, symbolic);
- }
-
- return TRUE;
-}
-
-static void
-rgba_value_print (const GValue *value,
- GString *string)
-{
- const GdkRGBA *rgba = g_value_get_boxed (value);
-
- if (rgba == NULL)
- g_string_append (string, "none");
- else
- {
- char *s = gdk_rgba_to_string (rgba);
- g_string_append (string, s);
- g_free (s);
- }
-}
-
-static gboolean
-color_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- GtkSymbolicColor *symbolic;
- GdkRGBA rgba;
-
- symbolic = _gtk_css_parser_read_symbolic_color (parser);
- if (symbolic == NULL)
- return FALSE;
-
- if (gtk_symbolic_color_resolve (symbolic, NULL, &rgba))
- {
- GdkColor color;
-
- color.red = rgba.red * 65535. + 0.5;
- color.green = rgba.green * 65535. + 0.5;
- color.blue = rgba.blue * 65535. + 0.5;
-
- g_value_set_boxed (value, &color);
- }
- else
- {
- g_value_unset (value);
- g_value_init (value, GTK_TYPE_SYMBOLIC_COLOR);
- g_value_take_boxed (value, symbolic);
- }
-
- return TRUE;
-}
-
-static void
-color_value_print (const GValue *value,
- GString *string)
-{
- const GdkColor *color = g_value_get_boxed (value);
-
- if (color == NULL)
- g_string_append (string, "none");
- else
- {
- char *s = gdk_color_to_string (color);
- g_string_append (string, s);
- g_free (s);
- }
-}
-
-static gboolean
-symbolic_color_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- GtkSymbolicColor *symbolic;
-
- symbolic = _gtk_css_parser_read_symbolic_color (parser);
- if (symbolic == NULL)
- return FALSE;
-
- g_value_take_boxed (value, symbolic);
- return TRUE;
-}
-
-static void
-symbolic_color_value_print (const GValue *value,
- GString *string)
-{
- GtkSymbolicColor *symbolic = g_value_get_boxed (value);
-
- if (symbolic == NULL)
- g_string_append (string, "none");
- else
- {
- char *s = gtk_symbolic_color_to_string (symbolic);
- g_string_append (string, s);
- g_free (s);
- }
-}
-
-static gboolean
-font_family_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- GPtrArray *names;
- char *name;
-
- /* We don't special case generic families. Pango should do
- * that for us */
-
- names = g_ptr_array_new ();
-
- do {
- name = _gtk_css_parser_try_ident (parser, TRUE);
- if (name)
- {
- GString *string = g_string_new (name);
- g_free (name);
- while ((name = _gtk_css_parser_try_ident (parser, TRUE)))
- {
- g_string_append_c (string, ' ');
- g_string_append (string, name);
- g_free (name);
- }
- name = g_string_free (string, FALSE);
- }
- else
- {
- name = _gtk_css_parser_read_string (parser);
- if (name == NULL)
- {
- g_ptr_array_free (names, TRUE);
- return FALSE;
- }
- }
-
- g_ptr_array_add (names, name);
- } while (_gtk_css_parser_try (parser, ",", TRUE));
-
- /* NULL-terminate array */
- g_ptr_array_add (names, NULL);
- g_value_set_boxed (value, g_ptr_array_free (names, FALSE));
- return TRUE;
-}
-
-static void
-font_family_value_print (const GValue *value,
- GString *string)
-{
- const char **names = g_value_get_boxed (value);
-
- if (names == NULL || *names == NULL)
- {
- g_string_append (string, "none");
- return;
- }
-
- string_append_string (string, *names);
- names++;
- while (*names)
- {
- g_string_append (string, ", ");
- string_append_string (string, *names);
- names++;
- }
-}
-
-static gboolean
-font_description_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- PangoFontDescription *font_desc;
- guint mask;
- char *str;
-
- str = _gtk_css_parser_read_value (parser);
- if (str == NULL)
- return FALSE;
-
- font_desc = pango_font_description_from_string (str);
- mask = pango_font_description_get_set_fields (font_desc);
- /* These values are not really correct,
- * but the fields must be set, so we set them to something */
- if ((mask & PANGO_FONT_MASK_FAMILY) == 0)
- pango_font_description_set_family_static (font_desc, "Sans");
- if ((mask & PANGO_FONT_MASK_SIZE) == 0)
- pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
- g_free (str);
- g_value_take_boxed (value, font_desc);
- return TRUE;
-}
-
-static void
-font_description_value_print (const GValue *value,
- GString *string)
-{
- const PangoFontDescription *desc = g_value_get_boxed (value);
-
- if (desc == NULL)
- g_string_append (string, "none");
- else
- {
- char *s = pango_font_description_to_string (desc);
- g_string_append (string, s);
- g_free (s);
- }
-}
-
-static gboolean
-boolean_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- if (_gtk_css_parser_try (parser, "true", TRUE) ||
- _gtk_css_parser_try (parser, "1", TRUE))
- {
- g_value_set_boolean (value, TRUE);
- return TRUE;
- }
- else if (_gtk_css_parser_try (parser, "false", TRUE) ||
- _gtk_css_parser_try (parser, "0", TRUE))
- {
- g_value_set_boolean (value, FALSE);
- return TRUE;
- }
- else
- {
- _gtk_css_parser_error (parser, "Expected a boolean value");
- return FALSE;
- }
-}
-
-static void
-boolean_value_print (const GValue *value,
- GString *string)
-{
- if (g_value_get_boolean (value))
- g_string_append (string, "true");
- else
- g_string_append (string, "false");
-}
-
-static gboolean
-int_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- gint i;
-
- if (_gtk_css_parser_begins_with (parser, '-'))
- {
- int res = _gtk_win32_theme_int_parse (parser, base, &i);
- if (res >= 0)
- {
- g_value_set_int (value, i);
- return res > 0;
- }
- /* < 0 => continue */
- }
-
- if (!_gtk_css_parser_try_int (parser, &i))
- {
- _gtk_css_parser_error (parser, "Expected a valid integer value");
- return FALSE;
- }
-
- g_value_set_int (value, i);
- return TRUE;
-}
-
-static void
-int_value_print (const GValue *value,
- GString *string)
-{
- g_string_append_printf (string, "%d", g_value_get_int (value));
-}
-
-static gboolean
-uint_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- guint u;
-
- if (!_gtk_css_parser_try_uint (parser, &u))
- {
- _gtk_css_parser_error (parser, "Expected a valid unsigned value");
- return FALSE;
- }
-
- g_value_set_uint (value, u);
- return TRUE;
-}
-
-static void
-uint_value_print (const GValue *value,
- GString *string)
-{
- g_string_append_printf (string, "%u", g_value_get_uint (value));
-}
-
-static gboolean
-double_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
+/**
+ * _gtk_style_property_parse_value:
+ * @property: the property
+ * @parser: the parser to parse from
+ *
+ * Tries to parse the given @property from the given @parser into
+ * @value. The type that @value will be assigned is dependant on
+ * the parser and no assumptions must be made about it. If the
+ * parsing fails, %FALSE will be returned and @value will be
+ * left uninitialized.
+ *
+ * Only if @property is a #GtkCssShorthandProperty, the @value will
+ * always be a #GtkCssValue whose values can be queried with
+ * _gtk_css_array_value_get_nth().
+ *
+ * Returns: %NULL on failure or the parsed #GtkCssValue
+ **/
+GtkCssValue *
+_gtk_style_property_parse_value (GtkStyleProperty *property,
+ GtkCssParser *parser)
{
- gdouble d;
+ GtkStylePropertyClass *klass;
- if (!_gtk_css_parser_try_double (parser, &d))
- {
- _gtk_css_parser_error (parser, "Expected a number");
- return FALSE;
- }
+ g_return_val_if_fail (GTK_IS_STYLE_PROPERTY (property), NULL);
+ g_return_val_if_fail (parser != NULL, NULL);
- g_value_set_double (value, d);
- return TRUE;
-}
+ klass = GTK_STYLE_PROPERTY_GET_CLASS (property);
-static void
-double_value_print (const GValue *value,
- GString *string)
-{
- string_append_double (string, g_value_get_double (value));
+ return klass->parse_value (property, parser);
}
-static gboolean
-float_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
+/**
+ * _gtk_style_property_assign:
+ * @property: the property
+ * @props: The properties to assign to
+ * @state: The state to assign
+ * @value: (out): the #GValue with the value to be
+ * assigned
+ *
+ * This function is called by gtk_style_properties_set() and in
+ * turn gtk_style_context_set() and similar functions to set the
+ * value from code using old APIs.
+ **/
+void
+_gtk_style_property_assign (GtkStyleProperty *property,
+ GtkStyleProperties *props,
+ GtkStateFlags state,
+ const GValue *value)
{
- gdouble d;
+ GtkStylePropertyClass *klass;
- if (!_gtk_css_parser_try_double (parser, &d))
- {
- _gtk_css_parser_error (parser, "Expected a number");
- return FALSE;
- }
+ g_return_if_fail (GTK_IS_STYLE_PROPERTY (property));
+ g_return_if_fail (GTK_IS_STYLE_PROPERTIES (props));
+ g_return_if_fail (value != NULL);
- g_value_set_float (value, d);
- return TRUE;
-}
+ klass = GTK_STYLE_PROPERTY_GET_CLASS (property);
-static void
-float_value_print (const GValue *value,
- GString *string)
-{
- string_append_double (string, g_value_get_float (value));
+ klass->assign (property, props, state, value);
}
-static gboolean
-string_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
+/**
+ * _gtk_style_property_query:
+ * @property: the property
+ * @value: (out): an uninitialized #GValue to be filled with the
+ * contents of the lookup
+ * @query_func: The function to use to query properties
+ * @query_data: The data to pass to @query_func
+ *
+ * This function is called by gtk_style_properties_get() and in
+ * turn gtk_style_context_get() and similar functions to get the
+ * value to return to code using old APIs.
+ **/
+void
+_gtk_style_property_query (GtkStyleProperty *property,
+ GValue *value,
+ GtkStyleQueryFunc query_func,
+ gpointer query_data)
{
- char *str = _gtk_css_parser_read_string (parser);
+ GtkStylePropertyClass *klass;
- if (str == NULL)
- return FALSE;
+ g_return_if_fail (value != NULL);
+ g_return_if_fail (GTK_IS_STYLE_PROPERTY (property));
+ g_return_if_fail (query_func != NULL);
- g_value_take_string (value, str);
- return TRUE;
-}
+ klass = GTK_STYLE_PROPERTY_GET_CLASS (property);
-static void
-string_value_print (const GValue *value,
- GString *str)
-{
- string_append_string (str, g_value_get_string (value));
+ return klass->query (property, value, query_func, query_data);
}
-static gboolean
-theming_engine_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
+void
+_gtk_style_property_init_properties (void)
{
- GtkThemingEngine *engine;
- char *str;
-
- if (_gtk_css_parser_try (parser, "none", TRUE))
- {
- g_value_set_object (value, gtk_theming_engine_load (NULL));
- return TRUE;
- }
-
- str = _gtk_css_parser_try_ident (parser, TRUE);
- if (str == NULL)
- {
- _gtk_css_parser_error (parser, "Expected a valid theme name");
- return FALSE;
- }
+ static gboolean initialized = FALSE;
- engine = gtk_theming_engine_load (str);
+ if (G_LIKELY (initialized))
+ return;
- if (engine == NULL)
- {
- _gtk_css_parser_error (parser, "Themeing engine '%s' not found", str);
- g_free (str);
- return FALSE;
- }
+ initialized = TRUE;
- g_value_set_object (value, engine);
- g_free (str);
- return TRUE;
+ _gtk_css_style_property_init_properties ();
+ /* initialize shorthands last, they depend on the real properties existing */
+ _gtk_css_shorthand_property_init_properties ();
}
-static void
-theming_engine_value_print (const GValue *value,
- GString *string)
+/**
+ * _gtk_style_property_lookup:
+ * @name: name of the property to lookup
+ *
+ * Looks up the CSS property with the given @name. If no such
+ * property exists, %NULL is returned.
+ *
+ * Returns: (transfer none): The property or %NULL if no
+ * property with the given name exists.
+ **/
+GtkStyleProperty *
+_gtk_style_property_lookup (const char *name)
{
- GtkThemingEngine *engine;
- char *name;
-
- engine = g_value_get_object (value);
- if (engine == NULL)
- g_string_append (string, "none");
- else
- {
- /* XXX: gtk_theming_engine_get_name()? */
- g_object_get (engine, "name", &name, NULL);
- g_string_append (string, name ? name : "none");
- g_free (name);
- }
-}
+ GtkStylePropertyClass *klass;
-static gboolean
-animation_description_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- GtkAnimationDescription *desc;
- char *str;
+ g_return_val_if_fail (name != NULL, NULL);
- str = _gtk_css_parser_read_value (parser);
- if (str == NULL)
- return FALSE;
+ _gtk_style_property_init_properties ();
- desc = _gtk_animation_description_from_string (str);
- g_free (str);
+ klass = g_type_class_peek (GTK_TYPE_STYLE_PROPERTY);
- if (desc == NULL)
- {
- _gtk_css_parser_error (parser, "Invalid animation description");
- return FALSE;
- }
-
- g_value_take_boxed (value, desc);
- return TRUE;
+ return g_hash_table_lookup (klass->properties, name);
}
-static void
-animation_description_value_print (const GValue *value,
- GString *string)
+/**
+ * _gtk_style_property_get_name:
+ * @property: the property to query
+ *
+ * Gets the name of the given property.
+ *
+ * Returns: the name of the property
+ **/
+const char *
+_gtk_style_property_get_name (GtkStyleProperty *property)
{
- GtkAnimationDescription *desc = g_value_get_boxed (value);
+ g_return_val_if_fail (GTK_IS_STYLE_PROPERTY (property), NULL);
- if (desc == NULL)
- g_string_append (string, "none");
- else
- _gtk_animation_description_print (desc, string);
+ return property->name;
}
-static gboolean
-border_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
+/**
+ * _gtk_style_property_get_value_type:
+ * @property: the property to query
+ *
+ * Gets the value type of the @property, if the property is usable
+ * in public API via _gtk_style_property_assign() and
+ * _gtk_style_property_query(). If the @property is not usable in that
+ * way, %G_TYPE_NONE is returned.
+ *
+ * Returns: the value type in use or %G_TYPE_NONE if none.
+ **/
+GType
+_gtk_style_property_get_value_type (GtkStyleProperty *property)
{
- GtkBorder border = { 0, };
- guint i, numbers[4];
-
- for (i = 0; i < G_N_ELEMENTS (numbers); i++)
- {
- if (_gtk_css_parser_begins_with (parser, '-'))
- {
- /* These are strictly speaking signed, but we want to be able to use them
- for unsigned types too, as the actual ranges of values make this safe */
- int res = _gtk_win32_theme_int_parse (parser, base, (int *)&numbers[i]);
-
- if (res == 0) /* Parse error, report */
- return FALSE;
+ g_return_val_if_fail (GTK_IS_STYLE_PROPERTY (property), G_TYPE_NONE);
- if (res < 0) /* Nothing known to expand */
- break;
- }
- else
- {
- if (!_gtk_css_parser_try_uint (parser, &numbers[i]))
- break;
-
- /* XXX: shouldn't allow spaces here? */
- _gtk_css_parser_try (parser, "px", TRUE);
- }
- }
-
- if (i == 0)
- {
- _gtk_css_parser_error (parser, "Expected valid border");
- return FALSE;
- }
-
- border.top = numbers[0];
- if (i > 1)
- border.right = numbers[1];
- else
- border.right = border.top;
- if (i > 2)
- border.bottom = numbers[2];
- else
- border.bottom = border.top;
- if (i > 3)
- border.left = numbers[3];
- else
- border.left = border.right;
-
- g_value_set_boxed (value, &border);
- return TRUE;
-}
-
-static void
-border_value_print (const GValue *value, GString *string)
-{
- const GtkBorder *border = g_value_get_boxed (value);
-
- if (border == NULL)
- g_string_append (string, "none");
- else if (border->left != border->right)
- g_string_append_printf (string, "%d %d %d %d", border->top, border->right, border->bottom, border->left);
- else if (border->top != border->bottom)
- g_string_append_printf (string, "%d %d %d", border->top, border->right, border->bottom);
- else if (border->top != border->left)
- g_string_append_printf (string, "%d %d", border->top, border->right);
- else
- g_string_append_printf (string, "%d", border->top);
-}
-
-static gboolean
-gradient_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- GtkGradient *gradient;
- cairo_pattern_type_t type;
- gdouble coords[6];
- guint i;
-
- if (!_gtk_css_parser_try (parser, "-gtk-gradient", TRUE))
- {
- _gtk_css_parser_error (parser,
- "Expected '-gtk-gradient'");
- return FALSE;
- }
-
- if (!_gtk_css_parser_try (parser, "(", TRUE))
- {
- _gtk_css_parser_error (parser,
- "Expected '(' after '-gtk-gradient'");
- return FALSE;
- }
-
- /* Parse gradient type */
- if (_gtk_css_parser_try (parser, "linear", TRUE))
- type = CAIRO_PATTERN_TYPE_LINEAR;
- else if (_gtk_css_parser_try (parser, "radial", TRUE))
- type = CAIRO_PATTERN_TYPE_RADIAL;
- else
- {
- _gtk_css_parser_error (parser,
- "Gradient type must be 'radial' or 'linear'");
- return FALSE;
- }
-
- /* Parse start/stop position parameters */
- for (i = 0; i < 2; i++)
- {
- if (! _gtk_css_parser_try (parser, ",", TRUE))
- {
- _gtk_css_parser_error (parser,
- "Expected ','");
- return FALSE;
- }
-
- if (_gtk_css_parser_try (parser, "left", TRUE))
- coords[i * 3] = 0;
- else if (_gtk_css_parser_try (parser, "right", TRUE))
- coords[i * 3] = 1;
- else if (_gtk_css_parser_try (parser, "center", TRUE))
- coords[i * 3] = 0.5;
- else if (!_gtk_css_parser_try_double (parser, &coords[i * 3]))
- {
- _gtk_css_parser_error (parser,
- "Expected a valid X coordinate");
- return FALSE;
- }
-
- if (_gtk_css_parser_try (parser, "top", TRUE))
- coords[i * 3 + 1] = 0;
- else if (_gtk_css_parser_try (parser, "bottom", TRUE))
- coords[i * 3 + 1] = 1;
- else if (_gtk_css_parser_try (parser, "center", TRUE))
- coords[i * 3 + 1] = 0.5;
- else if (!_gtk_css_parser_try_double (parser, &coords[i * 3 + 1]))
- {
- _gtk_css_parser_error (parser,
- "Expected a valid Y coordinate");
- return FALSE;
- }
-
- if (type == CAIRO_PATTERN_TYPE_RADIAL)
- {
- /* Parse radius */
- if (! _gtk_css_parser_try (parser, ",", TRUE))
- {
- _gtk_css_parser_error (parser,
- "Expected ','");
- return FALSE;
- }
-
- if (! _gtk_css_parser_try_double (parser, &coords[(i * 3) + 2]))
- {
- _gtk_css_parser_error (parser,
- "Expected a numer for the radius");
- return FALSE;
- }
- }
- }
-
- if (type == CAIRO_PATTERN_TYPE_LINEAR)
- gradient = gtk_gradient_new_linear (coords[0], coords[1], coords[3], coords[4]);
- else
- gradient = gtk_gradient_new_radial (coords[0], coords[1], coords[2],
- coords[3], coords[4], coords[5]);
-
- while (_gtk_css_parser_try (parser, ",", TRUE))
- {
- GtkSymbolicColor *color;
- gdouble position;
-
- if (_gtk_css_parser_try (parser, "from", TRUE))
- {
- position = 0;
-
- if (!_gtk_css_parser_try (parser, "(", TRUE))
- {
- gtk_gradient_unref (gradient);
- _gtk_css_parser_error (parser,
- "Expected '('");
- return FALSE;
- }
-
- }
- else if (_gtk_css_parser_try (parser, "to", TRUE))
- {
- position = 1;
-
- if (!_gtk_css_parser_try (parser, "(", TRUE))
- {
- gtk_gradient_unref (gradient);
- _gtk_css_parser_error (parser,
- "Expected '('");
- return FALSE;
- }
-
- }
- else if (_gtk_css_parser_try (parser, "color-stop", TRUE))
- {
- if (!_gtk_css_parser_try (parser, "(", TRUE))
- {
- gtk_gradient_unref (gradient);
- _gtk_css_parser_error (parser,
- "Expected '('");
- return FALSE;
- }
-
- if (!_gtk_css_parser_try_double (parser, &position))
- {
- gtk_gradient_unref (gradient);
- _gtk_css_parser_error (parser,
- "Expected a valid number");
- return FALSE;
- }
-
- if (!_gtk_css_parser_try (parser, ",", TRUE))
- {
- gtk_gradient_unref (gradient);
- _gtk_css_parser_error (parser,
- "Expected a comma");
- return FALSE;
- }
- }
- else
- {
- gtk_gradient_unref (gradient);
- _gtk_css_parser_error (parser,
- "Not a valid color-stop definition");
- return FALSE;
- }
-
- color = _gtk_css_parser_read_symbolic_color (parser);
- if (color == NULL)
- {
- gtk_gradient_unref (gradient);
- return FALSE;
- }
-
- gtk_gradient_add_color_stop (gradient, position, color);
- gtk_symbolic_color_unref (color);
-
- if (!_gtk_css_parser_try (parser, ")", TRUE))
- {
- gtk_gradient_unref (gradient);
- _gtk_css_parser_error (parser,
- "Expected ')'");
- return FALSE;
- }
- }
-
- if (!_gtk_css_parser_try (parser, ")", TRUE))
- {
- gtk_gradient_unref (gradient);
- _gtk_css_parser_error (parser,
- "Expected ')'");
- return FALSE;
- }
-
- g_value_take_boxed (value, gradient);
- return TRUE;
-}
-
-static void
-gradient_value_print (const GValue *value,
- GString *string)
-{
- GtkGradient *gradient = g_value_get_boxed (value);
-
- if (gradient == NULL)
- g_string_append (string, "none");
- else
- {
- char *s = gtk_gradient_to_string (gradient);
- g_string_append (string, s);
- g_free (s);
- }
-}
-
-static GFile *
-gtk_css_parse_url (GtkCssParser *parser,
- GFile *base)
-{
- gchar *path;
- GFile *file;
-
- if (_gtk_css_parser_try (parser, "url", FALSE))
- {
- if (!_gtk_css_parser_try (parser, "(", TRUE))
- {
- _gtk_css_parser_skip_whitespace (parser);
- if (_gtk_css_parser_try (parser, "(", TRUE))
- {
- GError *error;
-
- error = g_error_new_literal (GTK_CSS_PROVIDER_ERROR,
- GTK_CSS_PROVIDER_ERROR_DEPRECATED,
- "Whitespace between 'url' and '(' is deprecated");
-
- _gtk_css_parser_take_error (parser, error);
- }
- else
- {
- _gtk_css_parser_error (parser, "Expected '(' after 'url'");
- return NULL;
- }
- }
-
- path = _gtk_css_parser_read_string (parser);
- if (path == NULL)
- return NULL;
-
- if (!_gtk_css_parser_try (parser, ")", TRUE))
- {
- _gtk_css_parser_error (parser, "No closing ')' found for 'url'");
- g_free (path);
- return NULL;
- }
- }
- else
- {
- path = _gtk_css_parser_try_name (parser, TRUE);
- if (path == NULL)
- {
- _gtk_css_parser_error (parser, "Not a valid url");
- return NULL;
- }
- }
-
- file = g_file_resolve_relative_path (base, path);
- g_free (path);
-
- return file;
-}
-
-static gboolean
-pattern_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- if (_gtk_css_parser_try (parser, "none", TRUE))
- {
- /* nothing to do here */
- }
- else if (_gtk_css_parser_begins_with (parser, '-'))
- {
- int res;
- res = _gtk_win32_theme_part_parse (parser, base, value);
- if (res >= 0)
- return res > 0;
- /* < 0 => continue */
- g_value_unset (value);
- g_value_init (value, GTK_TYPE_GRADIENT);
- return gradient_value_parse (parser, base, value);
- }
- else
- {
- GError *error = NULL;
- gchar *path;
- GdkPixbuf *pixbuf;
- GFile *file;
- cairo_surface_t *surface;
- cairo_pattern_t *pattern;
- cairo_t *cr;
- cairo_matrix_t matrix;
-
- file = gtk_css_parse_url (parser, base);
- if (file == NULL)
- return FALSE;
-
- path = g_file_get_path (file);
- g_object_unref (file);
-
- pixbuf = gdk_pixbuf_new_from_file (path, &error);
- g_free (path);
- if (pixbuf == NULL)
- {
- _gtk_css_parser_take_error (parser, error);
- return FALSE;
- }
-
- surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
- gdk_pixbuf_get_width (pixbuf),
- gdk_pixbuf_get_height (pixbuf));
- cr = cairo_create (surface);
- gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
- cairo_paint (cr);
- pattern = cairo_pattern_create_for_surface (surface);
-
- cairo_matrix_init_scale (&matrix,
- gdk_pixbuf_get_width (pixbuf),
- gdk_pixbuf_get_height (pixbuf));
- cairo_pattern_set_matrix (pattern, &matrix);
-
- cairo_surface_destroy (surface);
- cairo_destroy (cr);
- g_object_unref (pixbuf);
-
- g_value_take_boxed (value, pattern);
- }
-
- return TRUE;
-}
-
-static cairo_status_t
-surface_write (void *closure,
- const unsigned char *data,
- unsigned int length)
-{
- g_byte_array_append (closure, data, length);
-
- return CAIRO_STATUS_SUCCESS;
-}
-
-static void
-surface_print (cairo_surface_t *surface,
- GString * string)
-{
-#if CAIRO_HAS_PNG_FUNCTIONS
- GByteArray *array;
- char *base64;
-
- array = g_byte_array_new ();
- cairo_surface_write_to_png_stream (surface, surface_write, array);
- base64 = g_base64_encode (array->data, array->len);
- g_byte_array_free (array, TRUE);
-
- g_string_append (string, "url(\"data:image/png;base64,");
- g_string_append (string, base64);
- g_string_append (string, "\")");
-
- g_free (base64);
-#else
- g_string_append (string, "none /* you need cairo png functions enabled to make this work */");
-#endif
-}
-
-static void
-pattern_value_print (const GValue *value,
- GString *string)
-{
- cairo_pattern_t *pattern;
- cairo_surface_t *surface;
-
- pattern = g_value_get_boxed (value);
-
- if (pattern == NULL)
- {
- g_string_append (string, "none");
- return;
- }
-
- switch (cairo_pattern_get_type (pattern))
- {
- case CAIRO_PATTERN_TYPE_SURFACE:
- if (cairo_pattern_get_surface (pattern, &surface) != CAIRO_STATUS_SUCCESS)
- {
- g_assert_not_reached ();
- }
- surface_print (surface, string);
- break;
- case CAIRO_PATTERN_TYPE_SOLID:
- case CAIRO_PATTERN_TYPE_LINEAR:
- case CAIRO_PATTERN_TYPE_RADIAL:
- default:
- g_assert_not_reached ();
- break;
- }
-}
-
-static gboolean
-shadow_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- gboolean have_inset, have_color, have_lengths;
- gdouble hoffset, voffset, blur, spread;
- GtkSymbolicColor *color;
- GtkShadow *shadow;
- guint i;
-
- shadow = _gtk_shadow_new ();
-
- if (_gtk_css_parser_try (parser, "none", TRUE))
- return TRUE;
-
- do
- {
- have_inset = have_lengths = have_color = FALSE;
-
- for (i = 0; i < 3; i++)
- {
- if (!have_inset &&
- _gtk_css_parser_try (parser, "inset", TRUE))
- {
- have_inset = TRUE;
- continue;
- }
-
- if (!have_lengths &&
- _gtk_css_parser_try_double (parser, &hoffset))
- {
- have_lengths = TRUE;
-
- if (!_gtk_css_parser_try_double (parser, &voffset))
- {
- _gtk_css_parser_error (parser, "Horizontal and vertical offsets are required");
- _gtk_shadow_unref (shadow);
- return FALSE;
- }
-
- if (!_gtk_css_parser_try_double (parser, &blur))
- blur = 0;
-
- if (!_gtk_css_parser_try_double (parser, &spread))
- spread = 0;
-
- continue;
- }
-
- if (!have_color)
- {
- have_color = TRUE;
-
- /* XXX: the color is optional and UA-defined if it's missing,
- * but it doesn't really make sense for us...
- */
- color = _gtk_css_parser_read_symbolic_color (parser);
-
- if (color == NULL)
- {
- _gtk_shadow_unref (shadow);
- return FALSE;
- }
- }
- }
-
- if (!have_color || !have_lengths)
- {
- _gtk_css_parser_error (parser, "Must specify at least color and offsets");
- _gtk_shadow_unref (shadow);
- return FALSE;
- }
-
- _gtk_shadow_append (shadow,
- hoffset, voffset,
- blur, spread,
- have_inset, color);
-
- gtk_symbolic_color_unref (color);
-
- }
- while (_gtk_css_parser_try (parser, ",", TRUE));
-
- g_value_take_boxed (value, shadow);
- return TRUE;
-}
-
-static void
-shadow_value_print (const GValue *value,
- GString *string)
-{
- GtkShadow *shadow;
-
- shadow = g_value_get_boxed (value);
-
- if (shadow == NULL)
- g_string_append (string, "none");
- else
- _gtk_shadow_print (shadow, string);
-}
-
-static gboolean
-background_repeat_value_parse (GtkCssParser *parser,
- GFile *file,
- GValue *value)
-{
- GtkCssBackgroundRepeat repeat;
- int style;
-
- if (!enum_parse (parser, GTK_TYPE_CSS_BACKGROUND_REPEAT_STYLE, &style))
- return FALSE;
-
- repeat.repeat = style;
-
- g_value_set_boxed (value, &repeat);
-
- return TRUE;
-}
-
-static void
-background_repeat_value_print (const GValue *value,
- GString *string)
-{
- GtkCssBackgroundRepeat *repeat;
-
- repeat = g_value_get_boxed (value);
-
- enum_print (repeat->repeat, GTK_TYPE_CSS_BACKGROUND_REPEAT_STYLE, string);
-}
-
-static gboolean
-border_image_repeat_value_parse (GtkCssParser *parser,
- GFile *file,
- GValue *value)
-{
- GtkCssBorderImageRepeat image_repeat;
- GtkCssBorderRepeatStyle styles[2];
- gint i, v;
-
- for (i = 0; i < 2; i++)
- {
- if (_gtk_css_parser_try_enum (parser, GTK_TYPE_CSS_BORDER_REPEAT_STYLE, &v))
- styles[i] = v;
- else if (i == 0)
- {
- styles[1] = styles[0] = GTK_CSS_REPEAT_STYLE_STRETCH;
- break;
- }
- else
- styles[i] = styles[0];
- }
-
- image_repeat.hrepeat = styles[0];
- image_repeat.vrepeat = styles[1];
-
- g_value_set_boxed (value, &image_repeat);
-
- return TRUE;
-}
-
-static void
-border_image_repeat_value_print (const GValue *value,
- GString *string)
-{
- GtkCssBorderImageRepeat *image_repeat;
-
- image_repeat = g_value_get_boxed (value);
-
- enum_print (image_repeat->hrepeat, GTK_TYPE_CSS_BORDER_REPEAT_STYLE, string);
- if (image_repeat->hrepeat != image_repeat->vrepeat)
- {
- g_string_append (string, " ");
- enum_print (image_repeat->vrepeat, GTK_TYPE_CSS_BORDER_REPEAT_STYLE, string);
- }
-}
-
-static gboolean
-enum_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- int v;
-
- if (enum_parse (parser, G_VALUE_TYPE (value), &v))
- {
- g_value_set_enum (value, v);
- return TRUE;
- }
-
- return FALSE;
-}
-
-static void
-enum_value_print (const GValue *value,
- GString *string)
-{
- enum_print (g_value_get_enum (value), G_VALUE_TYPE (value), string);
-}
-
-static gboolean
-flags_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- GFlagsClass *flags_class;
- GFlagsValue *flag_value;
- guint flags = 0;
- char *str;
-
- flags_class = g_type_class_ref (G_VALUE_TYPE (value));
-
- do {
- str = _gtk_css_parser_try_ident (parser, TRUE);
- if (str == NULL)
- {
- _gtk_css_parser_error (parser, "Expected an identifier");
- g_type_class_unref (flags_class);
- return FALSE;
- }
-
- flag_value = g_flags_get_value_by_nick (flags_class, str);
- if (!flag_value)
- {
- _gtk_css_parser_error (parser,
- "Unknown flag value '%s' for type '%s'",
- str, g_type_name (G_VALUE_TYPE (value)));
- /* XXX Do we want to return FALSE here? We can get
- * forward-compatibility for new values this way
- */
- g_free (str);
- g_type_class_unref (flags_class);
- return FALSE;
- }
-
- g_free (str);
- }
- while (_gtk_css_parser_try (parser, ",", FALSE));
-
- g_type_class_unref (flags_class);
-
- g_value_set_enum (value, flags);
-
- return TRUE;
-}
-
-static void
-flags_value_print (const GValue *value,
- GString *string)
-{
- GFlagsClass *flags_class;
- guint i, flags;
-
- flags_class = g_type_class_ref (G_VALUE_TYPE (value));
- flags = g_value_get_flags (value);
-
- for (i = 0; i < flags_class->n_values; i++)
- {
- GFlagsValue *flags_value = &flags_class->values[i];
-
- if (flags & flags_value->value)
- {
- if (string->len != 0)
- g_string_append (string, ", ");
-
- g_string_append (string, flags_value->value_nick);
- }
- }
-
- g_type_class_unref (flags_class);
-}
-
-static gboolean
-bindings_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- GPtrArray *array;
- GtkBindingSet *binding_set;
- char *name;
-
- array = g_ptr_array_new ();
-
- do {
- name = _gtk_css_parser_try_ident (parser, TRUE);
- if (name == NULL)
- {
- _gtk_css_parser_error (parser, "Not a valid binding name");
- g_ptr_array_free (array, TRUE);
- return FALSE;
- }
-
- binding_set = gtk_binding_set_find (name);
-
- if (!binding_set)
- {
- _gtk_css_parser_error (parser, "No binding set named '%s'", name);
- g_free (name);
- continue;
- }
-
- g_ptr_array_add (array, binding_set);
- g_free (name);
- }
- while (_gtk_css_parser_try (parser, ",", TRUE));
-
- g_value_take_boxed (value, array);
-
- return TRUE;
-}
-
-static void
-bindings_value_print (const GValue *value,
- GString *string)
-{
- GPtrArray *array;
- guint i;
-
- array = g_value_get_boxed (value);
-
- for (i = 0; i < array->len; i++)
- {
- GtkBindingSet *binding_set = g_ptr_array_index (array, i);
-
- if (i > 0)
- g_string_append (string, ", ");
- g_string_append (string, binding_set->set_name);
- }
-}
-
-static gboolean
-border_corner_radius_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- GtkCssBorderCornerRadius corner;
-
- if (!_gtk_css_parser_try_double (parser, &corner.horizontal))
- {
- _gtk_css_parser_error (parser, "Expected a number");
- return FALSE;
- }
- else if (corner.horizontal < 0)
- goto negative;
-
- if (!_gtk_css_parser_try_double (parser, &corner.vertical))
- corner.vertical = corner.horizontal;
- else if (corner.vertical < 0)
- goto negative;
-
- g_value_set_boxed (value, &corner);
- return TRUE;
-
-negative:
- _gtk_css_parser_error (parser, "Border radius values cannot be negative");
- return FALSE;
-}
-
-static void
-border_corner_radius_value_print (const GValue *value,
- GString *string)
-{
- GtkCssBorderCornerRadius *corner;
-
- corner = g_value_get_boxed (value);
-
- if (corner == NULL)
- {
- g_string_append (string, "none");
- return;
- }
-
- string_append_double (string, corner->horizontal);
- if (corner->horizontal != corner->vertical)
- {
- g_string_append_c (string, ' ');
- string_append_double (string, corner->vertical);
- }
-}
-
-static gboolean
-transparent_color_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- if (_gtk_css_parser_try (parser, "transparent", TRUE))
- {
- GdkRGBA transparent = { 0, 0, 0, 0 };
-
- g_value_set_boxed (value, &transparent);
-
- return TRUE;
- }
-
- return rgba_value_parse (parser, base, value);
-}
-
-/*** API ***/
-
-guint
-_gtk_style_property_get_count (void)
-{
- return __style_property_array ? __style_property_array->len : 0;
-}
-
-GtkStyleProperty *
-_gtk_style_property_get (guint id)
-{
- g_assert (__style_property_array);
-
- return g_ptr_array_index (__style_property_array, id);
-}
-
-static void
-_gtk_style_property_generate_id (GtkStyleProperty *node)
-{
- if (__style_property_array == NULL)
- __style_property_array = g_ptr_array_new ();
-
- node->id = __style_property_array->len;
- g_ptr_array_add (__style_property_array, node);
-}
-
-static void
-css_string_funcs_init (void)
-{
- if (G_LIKELY (parse_funcs != NULL))
- return;
-
- parse_funcs = g_hash_table_new (NULL, NULL);
- print_funcs = g_hash_table_new (NULL, NULL);
-
- register_conversion_function (GDK_TYPE_RGBA,
- rgba_value_parse,
- rgba_value_print);
- register_conversion_function (GDK_TYPE_COLOR,
- color_value_parse,
- color_value_print);
- register_conversion_function (GTK_TYPE_SYMBOLIC_COLOR,
- symbolic_color_value_parse,
- symbolic_color_value_print);
- register_conversion_function (PANGO_TYPE_FONT_DESCRIPTION,
- font_description_value_parse,
- font_description_value_print);
- register_conversion_function (G_TYPE_BOOLEAN,
- boolean_value_parse,
- boolean_value_print);
- register_conversion_function (G_TYPE_INT,
- int_value_parse,
- int_value_print);
- register_conversion_function (G_TYPE_UINT,
- uint_value_parse,
- uint_value_print);
- register_conversion_function (G_TYPE_DOUBLE,
- double_value_parse,
- double_value_print);
- register_conversion_function (G_TYPE_FLOAT,
- float_value_parse,
- float_value_print);
- register_conversion_function (G_TYPE_STRING,
- string_value_parse,
- string_value_print);
- register_conversion_function (GTK_TYPE_THEMING_ENGINE,
- theming_engine_value_parse,
- theming_engine_value_print);
- register_conversion_function (GTK_TYPE_ANIMATION_DESCRIPTION,
- animation_description_value_parse,
- animation_description_value_print);
- register_conversion_function (GTK_TYPE_BORDER,
- border_value_parse,
- border_value_print);
- register_conversion_function (GTK_TYPE_GRADIENT,
- gradient_value_parse,
- gradient_value_print);
- register_conversion_function (CAIRO_GOBJECT_TYPE_PATTERN,
- pattern_value_parse,
- pattern_value_print);
- register_conversion_function (GTK_TYPE_CSS_BORDER_IMAGE_REPEAT,
- border_image_repeat_value_parse,
- border_image_repeat_value_print);
- register_conversion_function (GTK_TYPE_SHADOW,
- shadow_value_parse,
- shadow_value_print);
- register_conversion_function (G_TYPE_ENUM,
- enum_value_parse,
- enum_value_print);
- register_conversion_function (G_TYPE_FLAGS,
- flags_value_parse,
- flags_value_print);
- register_conversion_function (GTK_TYPE_CSS_BACKGROUND_REPEAT,
- background_repeat_value_parse,
- background_repeat_value_print);
-}
-
-gboolean
-_gtk_style_property_parse_value (GtkStyleProperty *property,
- GValue *value,
- GtkCssParser *parser,
- GFile *base)
-{
- GtkStyleParseFunc func;
-
- g_return_val_if_fail (value != NULL, FALSE);
- g_return_val_if_fail (parser != NULL, FALSE);
-
- css_string_funcs_init ();
-
- if (property)
- {
- if (_gtk_css_parser_try (parser, "initial", TRUE))
- {
- /* the initial value can be explicitly specified with the
- * ‘initial’ keyword which all properties accept.
- */
- g_value_unset (value);
- g_value_init (value, GTK_TYPE_CSS_SPECIAL_VALUE);
- g_value_set_enum (value, GTK_CSS_INITIAL);
- return TRUE;
- }
- else if (_gtk_css_parser_try (parser, "inherit", TRUE))
- {
- /* All properties accept the ‘inherit’ value which
- * explicitly specifies that the value will be determined
- * by inheritance. The ‘inherit’ value can be used to
- * strengthen inherited values in the cascade, and it can
- * also be used on properties that are not normally inherited.
- */
- g_value_unset (value);
- g_value_init (value, GTK_TYPE_CSS_SPECIAL_VALUE);
- g_value_set_enum (value, GTK_CSS_INHERIT);
- return TRUE;
- }
- else if (property->property_parse_func)
- {
- GError *error = NULL;
- char *value_str;
- gboolean success;
-
- value_str = _gtk_css_parser_read_value (parser);
- if (value_str == NULL)
- return FALSE;
-
- success = (*property->property_parse_func) (value_str, value, &error);
-
- g_free (value_str);
-
- return success;
- }
-
- func = property->parse_func;
- }
- else
- func = NULL;
-
- if (func == NULL)
- func = g_hash_table_lookup (parse_funcs,
- GSIZE_TO_POINTER (G_VALUE_TYPE (value)));
- if (func == NULL)
- func = g_hash_table_lookup (parse_funcs,
- GSIZE_TO_POINTER (g_type_fundamental (G_VALUE_TYPE (value))));
-
- if (func == NULL)
- {
- _gtk_css_parser_error (parser,
- "Cannot convert to type '%s'",
- g_type_name (G_VALUE_TYPE (value)));
- return FALSE;
- }
-
- return (*func) (parser, base, value);
-}
-
-void
-_gtk_style_property_print_value (GtkStyleProperty *property,
- const GValue *value,
- GString *string)
-{
- GtkStylePrintFunc func;
-
- css_string_funcs_init ();
-
- if (G_VALUE_HOLDS (value, GTK_TYPE_CSS_SPECIAL_VALUE))
- func = enum_value_print;
- else if (property)
- func = property->print_func;
- else
- func = NULL;
-
- if (func == NULL)
- func = g_hash_table_lookup (print_funcs,
- GSIZE_TO_POINTER (G_VALUE_TYPE (value)));
- if (func == NULL)
- func = g_hash_table_lookup (print_funcs,
- GSIZE_TO_POINTER (g_type_fundamental (G_VALUE_TYPE (value))));
-
- if (func == NULL)
- {
- char *s = g_strdup_value_contents (value);
- g_string_append (string, s);
- g_free (s);
- return;
- }
-
- func (value, string);
-}
-
-static void
-_gtk_style_property_default_value (GtkStyleProperty *property,
- GtkStyleProperties *properties,
- GtkStateFlags state,
- GValue *value)
-{
- g_value_copy (&property->initial_value, value);
-}
-
-gboolean
-_gtk_style_property_is_inherit (GtkStyleProperty *property)
-{
- g_return_val_if_fail (property != NULL, FALSE);
-
- return property->flags & GTK_STYLE_PROPERTY_INHERIT ? TRUE : FALSE;
-}
-
-guint
-_gtk_style_property_get_id (GtkStyleProperty *property)
-{
- g_return_val_if_fail (property != NULL, FALSE);
-
- return property->id;
-}
-
-static gboolean
-resolve_color (GtkStyleProperties *props,
- GValue *value)
-{
- GdkRGBA color;
-
- /* Resolve symbolic color to GdkRGBA */
- if (!gtk_symbolic_color_resolve (g_value_get_boxed (value), props, &color))
- return FALSE;
-
- /* Store it back, this is where GdkRGBA caching happens */
- g_value_unset (value);
- g_value_init (value, GDK_TYPE_RGBA);
- g_value_set_boxed (value, &color);
-
- return TRUE;
-}
-
-static gboolean
-resolve_color_rgb (GtkStyleProperties *props,
- GValue *value)
-{
- GdkColor color = { 0 };
- GdkRGBA rgba;
-
- if (!gtk_symbolic_color_resolve (g_value_get_boxed (value), props, &rgba))
- return FALSE;
-
- color.red = rgba.red * 65535. + 0.5;
- color.green = rgba.green * 65535. + 0.5;
- color.blue = rgba.blue * 65535. + 0.5;
-
- g_value_unset (value);
- g_value_init (value, GDK_TYPE_COLOR);
- g_value_set_boxed (value, &color);
-
- return TRUE;
-}
-
-static gboolean
-resolve_win32_theme_part (GtkStyleProperties *props,
- GValue *value,
- GValue *value_out,
- GtkStylePropertyContext *context)
-{
- GtkWin32ThemePart *part;
- cairo_pattern_t *pattern;
-
- part = g_value_get_boxed (value);
- if (part == NULL)
- return FALSE;
-
- pattern = _gtk_win32_theme_part_render (part, context->width, context->height);
-
- g_value_take_boxed (value_out, pattern);
-
- return TRUE;
-}
-
-
-static gboolean
-resolve_gradient (GtkStyleProperties *props,
- GValue *value)
-{
- cairo_pattern_t *gradient;
-
- if (!gtk_gradient_resolve (g_value_get_boxed (value), props, &gradient))
- return FALSE;
-
- /* Store it back, this is where cairo_pattern_t caching happens */
- g_value_unset (value);
- g_value_init (value, CAIRO_GOBJECT_TYPE_PATTERN);
- g_value_take_boxed (value, gradient);
-
- return TRUE;
-}
-
-static gboolean
-resolve_shadow (GtkStyleProperties *props,
- GValue *value)
-{
- GtkShadow *resolved, *base;
-
- base = g_value_get_boxed (value);
-
- if (base == NULL)
- return TRUE;
-
- if (_gtk_shadow_get_resolved (base))
- return TRUE;
-
- resolved = _gtk_shadow_resolve (base, props);
- if (resolved == NULL)
- return FALSE;
-
- g_value_take_boxed (value, resolved);
-
- return TRUE;
-}
-
-static void
-_gtk_style_property_resolve (GtkStyleProperty *property,
- GtkStyleProperties *props,
- GtkStateFlags state,
- GtkStylePropertyContext *context,
- GValue *val,
- GValue *val_out)
-{
- if (G_VALUE_TYPE (val) == GTK_TYPE_CSS_SPECIAL_VALUE)
- {
- GtkCssSpecialValue special = g_value_get_enum (val);
-
- g_value_unset (val);
- switch (special)
- {
- case GTK_CSS_CURRENT_COLOR:
- g_assert (property->pspec->value_type == GDK_TYPE_RGBA);
- gtk_style_properties_get_property (props, "color", state, val);
- break;
- case GTK_CSS_INHERIT:
- case GTK_CSS_INITIAL:
- default:
- g_assert_not_reached ();
- }
- }
- else if (G_VALUE_TYPE (val) == GTK_TYPE_SYMBOLIC_COLOR)
- {
- if (property->pspec->value_type == GDK_TYPE_RGBA)
- {
- if (resolve_color (props, val))
- goto out;
- }
- else if (property->pspec->value_type == GDK_TYPE_COLOR)
- {
- if (resolve_color_rgb (props, val))
- goto out;
- }
-
- g_value_unset (val);
- g_value_init (val, property->pspec->value_type);
- _gtk_style_property_default_value (property, props, state, val);
- }
- else if (G_VALUE_TYPE (val) == GDK_TYPE_RGBA)
- {
- if (g_value_get_boxed (val) == NULL)
- _gtk_style_property_default_value (property, props, state, val);
- }
- else if (G_VALUE_TYPE (val) == GTK_TYPE_GRADIENT)
- {
- g_return_if_fail (property->pspec->value_type == CAIRO_GOBJECT_TYPE_PATTERN);
-
- if (!resolve_gradient (props, val))
- {
- g_value_unset (val);
- g_value_init (val, CAIRO_GOBJECT_TYPE_PATTERN);
- _gtk_style_property_default_value (property, props, state, val);
- }
- }
- else if (G_VALUE_TYPE (val) == GTK_TYPE_SHADOW)
- {
- if (!resolve_shadow (props, val))
- _gtk_style_property_default_value (property, props, state, val);
- }
- else if (G_VALUE_TYPE (val) == GTK_TYPE_WIN32_THEME_PART)
- {
- if (resolve_win32_theme_part (props, val, val_out, context))
- return; /* Don't copy val, this sets val_out */
- _gtk_style_property_default_value (property, props, state, val);
- }
-
- out:
- g_value_copy (val, val_out);
-}
-
-const GValue *
-_gtk_style_property_get_initial_value (GtkStyleProperty *property)
-{
- g_return_val_if_fail (property != NULL, NULL);
-
- return &property->initial_value;
-}
-
-GParameter *
-_gtk_style_property_unpack (GtkStyleProperty *property,
- const GValue *value,
- guint *n_params)
-{
- g_return_val_if_fail (property != NULL, NULL);
- g_return_val_if_fail (property->unpack_func != NULL, NULL);
- g_return_val_if_fail (value != NULL, NULL);
- g_return_val_if_fail (n_params != NULL, NULL);
-
- return property->unpack_func (value, n_params);
-}
-
-static void
-_gtk_style_property_pack (GtkStyleProperty *property,
- GtkStyleProperties *props,
- GtkStateFlags state,
- GtkStylePropertyContext *context,
- GValue *value)
-{
- g_return_if_fail (property != NULL);
- g_return_if_fail (property->pack_func != NULL);
- g_return_if_fail (GTK_IS_STYLE_PROPERTIES (props));
- g_return_if_fail (G_IS_VALUE (value));
-
- property->pack_func (value, props, state, context);
-}
-
-void
-_gtk_style_property_query (GtkStyleProperty *property,
- GtkStyleProperties *props,
- GtkStateFlags state,
- GtkStylePropertyContext *context,
- GValue *value)
-{
- const GValue *val;
-
- g_return_if_fail (property != NULL);
- g_return_if_fail (GTK_IS_STYLE_PROPERTIES (props));
- g_return_if_fail (context != NULL);
- g_return_if_fail (value != NULL);
-
- val = _gtk_style_properties_peek_property (props, property, state);
- g_value_init (value, property->pspec->value_type);
-
- if (val)
- _gtk_style_property_resolve (property, props, state, context, (GValue *) val, value);
- else if (GTK_IS_CSS_SHORTHAND_PROPERTY (property))
- _gtk_style_property_pack (property, props, state, context, value);
- else
- _gtk_style_property_default_value (property, props, state, value);
-}
-
-#define rgba_init(rgba, r, g, b, a) G_STMT_START{ \
- (rgba)->red = (r); \
- (rgba)->green = (g); \
- (rgba)->blue = (b); \
- (rgba)->alpha = (a); \
-}G_STMT_END
-static void
-gtk_style_property_init_properties (void)
-{
- static gboolean initialized = FALSE;
- GValue value = { 0, };
- char *default_font_family[] = { "Sans", NULL };
- GdkRGBA rgba;
-
- if (G_LIKELY (initialized))
- return;
-
- initialized = TRUE;
-
- g_value_init (&value, GDK_TYPE_RGBA);
- rgba_init (&rgba, 1, 1, 1, 1);
- g_value_set_boxed (&value, &rgba);
- _gtk_style_property_register (g_param_spec_boxed ("color",
- "Foreground color",
- "Foreground color",
- GDK_TYPE_RGBA, 0),
- GTK_STYLE_PROPERTY_INHERIT,
- NULL,
- NULL,
- NULL,
- &value);
- rgba_init (&rgba, 0, 0, 0, 0);
- g_value_set_boxed (&value, &rgba);
- _gtk_style_property_register (g_param_spec_boxed ("background-color",
- "Background color",
- "Background color",
- GDK_TYPE_RGBA, 0),
- 0,
- NULL,
- transparent_color_value_parse,
- NULL,
- &value);
- g_value_unset (&value);
-
- g_value_init (&value, G_TYPE_STRV);
- g_value_set_boxed (&value, default_font_family);
- _gtk_style_property_register (g_param_spec_boxed ("font-family",
- "Font family",
- "Font family",
- G_TYPE_STRV, 0),
- GTK_STYLE_PROPERTY_INHERIT,
- NULL,
- font_family_parse,
- font_family_value_print,
- &value);
- g_value_unset (&value);
- _gtk_style_property_register (g_param_spec_enum ("font-style",
- "Font style",
- "Font style",
- PANGO_TYPE_STYLE,
- PANGO_STYLE_NORMAL, 0),
- GTK_STYLE_PROPERTY_INHERIT,
- NULL,
- NULL,
- NULL,
- NULL);
- _gtk_style_property_register (g_param_spec_enum ("font-variant",
- "Font variant",
- "Font variant",
- PANGO_TYPE_VARIANT,
- PANGO_VARIANT_NORMAL, 0),
- GTK_STYLE_PROPERTY_INHERIT,
- NULL,
- NULL,
- NULL,
- NULL);
- /* xxx: need to parse this properly, ie parse the numbers */
- _gtk_style_property_register (g_param_spec_enum ("font-weight",
- "Font weight",
- "Font weight",
- PANGO_TYPE_WEIGHT,
- PANGO_WEIGHT_NORMAL, 0),
- GTK_STYLE_PROPERTY_INHERIT,
- NULL,
- NULL,
- NULL,
- NULL);
- g_value_init (&value, G_TYPE_DOUBLE);
- g_value_set_double (&value, 10);
- _gtk_style_property_register (g_param_spec_double ("font-size",
- "Font size",
- "Font size",
- 0, G_MAXDOUBLE, 0, 0),
- GTK_STYLE_PROPERTY_INHERIT,
- NULL,
- NULL,
- NULL,
- &value);
- g_value_unset (&value);
-
- _gtk_style_property_register (g_param_spec_boxed ("text-shadow",
- "Text shadow",
- "Text shadow",
- GTK_TYPE_SHADOW, 0),
- GTK_STYLE_PROPERTY_INHERIT,
- NULL,
- NULL,
- NULL,
- NULL);
-
- _gtk_style_property_register (g_param_spec_boxed ("icon-shadow",
- "Icon shadow",
- "Icon shadow",
- GTK_TYPE_SHADOW, 0),
- GTK_STYLE_PROPERTY_INHERIT,
- NULL,
- NULL,
- NULL,
- NULL);
-
- gtk_style_properties_register_property (NULL,
- g_param_spec_boxed ("box-shadow",
- "Box shadow",
- "Box shadow",
- GTK_TYPE_SHADOW, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_int ("margin-top",
- "margin top",
- "Margin at top",
- 0, G_MAXINT, 0, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_int ("margin-left",
- "margin left",
- "Margin at left",
- 0, G_MAXINT, 0, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_int ("margin-bottom",
- "margin bottom",
- "Margin at bottom",
- 0, G_MAXINT, 0, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_int ("margin-right",
- "margin right",
- "Margin at right",
- 0, G_MAXINT, 0, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_int ("padding-top",
- "padding top",
- "Padding at top",
- 0, G_MAXINT, 0, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_int ("padding-left",
- "padding left",
- "Padding at left",
- 0, G_MAXINT, 0, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_int ("padding-bottom",
- "padding bottom",
- "Padding at bottom",
- 0, G_MAXINT, 0, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_int ("padding-right",
- "padding right",
- "Padding at right",
- 0, G_MAXINT, 0, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_int ("border-top-width",
- "border top width",
- "Border width at top",
- 0, G_MAXINT, 0, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_int ("border-left-width",
- "border left width",
- "Border width at left",
- 0, G_MAXINT, 0, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_int ("border-bottom-width",
- "border bottom width",
- "Border width at bottom",
- 0, G_MAXINT, 0, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_int ("border-right-width",
- "border right width",
- "Border width at right",
- 0, G_MAXINT, 0, 0));
-
- _gtk_style_property_register (g_param_spec_boxed ("border-top-left-radius",
- "Border top left radius",
- "Border radius of top left corner, in pixels",
- GTK_TYPE_CSS_BORDER_CORNER_RADIUS, 0),
- 0,
- NULL,
- border_corner_radius_value_parse,
- border_corner_radius_value_print,
- NULL);
- _gtk_style_property_register (g_param_spec_boxed ("border-top-right-radius",
- "Border top right radius",
- "Border radius of top right corner, in pixels",
- GTK_TYPE_CSS_BORDER_CORNER_RADIUS, 0),
- 0,
- NULL,
- border_corner_radius_value_parse,
- border_corner_radius_value_print,
- NULL);
- _gtk_style_property_register (g_param_spec_boxed ("border-bottom-right-radius",
- "Border bottom right radius",
- "Border radius of bottom right corner, in pixels",
- GTK_TYPE_CSS_BORDER_CORNER_RADIUS, 0),
- 0,
- NULL,
- border_corner_radius_value_parse,
- border_corner_radius_value_print,
- NULL);
- _gtk_style_property_register (g_param_spec_boxed ("border-bottom-left-radius",
- "Border bottom left radius",
- "Border radius of bottom left corner, in pixels",
- GTK_TYPE_CSS_BORDER_CORNER_RADIUS, 0),
- 0,
- NULL,
- border_corner_radius_value_parse,
- border_corner_radius_value_print,
- NULL);
-
- gtk_style_properties_register_property (NULL,
- g_param_spec_enum ("border-style",
- "Border style",
- "Border style",
- GTK_TYPE_BORDER_STYLE,
- GTK_BORDER_STYLE_NONE, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_enum ("background-clip",
- "Background clip",
- "Background clip",
- GTK_TYPE_CSS_AREA,
- GTK_CSS_AREA_BORDER_BOX, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_enum ("background-origin",
- "Background origin",
- "Background origin",
- GTK_TYPE_CSS_AREA,
- GTK_CSS_AREA_PADDING_BOX, 0));
- g_value_init (&value, GTK_TYPE_CSS_SPECIAL_VALUE);
- g_value_set_enum (&value, GTK_CSS_CURRENT_COLOR);
- _gtk_style_property_register (g_param_spec_boxed ("border-top-color",
- "Border top color",
- "Border top color",
- GDK_TYPE_RGBA, 0),
- 0,
- NULL,
- transparent_color_value_parse,
- NULL,
- &value);
- _gtk_style_property_register (g_param_spec_boxed ("border-right-color",
- "Border right color",
- "Border right color",
- GDK_TYPE_RGBA, 0),
- 0,
- NULL,
- transparent_color_value_parse,
- NULL,
- &value);
- _gtk_style_property_register (g_param_spec_boxed ("border-bottom-color",
- "Border bottom color",
- "Border bottom color",
- GDK_TYPE_RGBA, 0),
- 0,
- NULL,
- transparent_color_value_parse,
- NULL,
- &value);
- _gtk_style_property_register (g_param_spec_boxed ("border-left-color",
- "Border left color",
- "Border left color",
- GDK_TYPE_RGBA, 0),
- 0,
- NULL,
- transparent_color_value_parse,
- NULL,
- &value);
- g_value_unset (&value);
-
- gtk_style_properties_register_property (NULL,
- g_param_spec_boxed ("background-image",
- "Background Image",
- "Background Image",
- CAIRO_GOBJECT_TYPE_PATTERN, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_boxed ("background-repeat",
- "Background repeat",
- "Background repeat",
- GTK_TYPE_CSS_BACKGROUND_REPEAT, 0));
-
- gtk_style_properties_register_property (NULL,
- g_param_spec_boxed ("border-image-source",
- "Border image source",
- "Border image source",
- CAIRO_GOBJECT_TYPE_PATTERN, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_boxed ("border-image-repeat",
- "Border image repeat",
- "Border image repeat",
- GTK_TYPE_CSS_BORDER_IMAGE_REPEAT, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_boxed ("border-image-slice",
- "Border image slice",
- "Border image slice",
- GTK_TYPE_BORDER, 0));
- g_value_init (&value, GTK_TYPE_BORDER);
- _gtk_style_property_register (g_param_spec_boxed ("border-image-width",
- "Border image width",
- "Border image width",
- GTK_TYPE_BORDER, 0),
- 0,
- NULL,
- NULL,
- NULL,
- &value);
- g_value_unset (&value);
- gtk_style_properties_register_property (NULL,
- g_param_spec_object ("engine",
- "Theming Engine",
- "Theming Engine",
- GTK_TYPE_THEMING_ENGINE, 0));
- gtk_style_properties_register_property (NULL,
- g_param_spec_boxed ("transition",
- "Transition animation description",
- "Transition animation description",
- GTK_TYPE_ANIMATION_DESCRIPTION, 0));
-
- /* Private property holding the binding sets */
- _gtk_style_property_register (g_param_spec_boxed ("gtk-key-bindings",
- "Key bindings",
- "Key bindings",
- G_TYPE_PTR_ARRAY, 0),
- 0,
- NULL,
- bindings_value_parse,
- bindings_value_print,
- NULL);
-
- /* initialize shorthands last, they depend on the real properties existing */
- _gtk_css_shorthand_property_init_properties ();
-}
-
-/**
- * _gtk_style_property_lookup:
- * @name: name of the property to lookup
- *
- * Looks up the CSS property with the given @name. If no such
- * property exists, %NULL is returned.
- *
- * Returns: (transfer none): The property or %NULL if no
- * property with the given name exists.
- **/
-GtkStyleProperty *
-_gtk_style_property_lookup (const char *name)
-{
- GtkStylePropertyClass *klass;
-
- g_return_val_if_fail (name != NULL, NULL);
-
- gtk_style_property_init_properties ();
-
- klass = g_type_class_peek (GTK_TYPE_STYLE_PROPERTY);
-
- return g_hash_table_lookup (klass->properties, name);
-}
-
-/**
- * _gtk_style_property_get_name:
- * @property: the property to query
- *
- * Gets the name of the given property.
- *
- * Returns: the name of the property
- **/
-const char *
-_gtk_style_property_get_name (GtkStyleProperty *property)
-{
- g_return_val_if_fail (GTK_IS_STYLE_PROPERTY (property), NULL);
-
- return property->name;
-}
-
-
-void
-_gtk_style_property_register (GParamSpec *pspec,
- GtkStylePropertyFlags flags,
- GtkStylePropertyParser property_parse_func,
- GtkStyleParseFunc parse_func,
- GtkStylePrintFunc print_func,
- const GValue * initial_value)
-{
- GtkStyleProperty *node;
-
- node = g_object_new (GTK_TYPE_CSS_STYLE_PROPERTY,
- "name", pspec->name,
- NULL);
- node->flags = flags;
- node->pspec = pspec;
- node->property_parse_func = property_parse_func;
- node->parse_func = parse_func;
- node->print_func = print_func;
-
- _gtk_style_property_generate_id (node);
-
- /* initialize the initial value */
- if (initial_value)
- {
- g_value_init (&node->initial_value, G_VALUE_TYPE (initial_value));
- g_value_copy (initial_value, &node->initial_value);
- }
- else
- {
- g_value_init (&node->initial_value, pspec->value_type);
- if (pspec->value_type == GTK_TYPE_THEMING_ENGINE)
- g_value_set_object (&node->initial_value, gtk_theming_engine_load (NULL));
- else if (pspec->value_type == PANGO_TYPE_FONT_DESCRIPTION)
- g_value_take_boxed (&node->initial_value, pango_font_description_from_string ("Sans 10"));
- else if (pspec->value_type == GDK_TYPE_RGBA)
- {
- GdkRGBA color;
- gdk_rgba_parse (&color, "pink");
- g_value_set_boxed (&node->initial_value, &color);
- }
- else if (pspec->value_type == GTK_TYPE_BORDER)
- {
- g_value_take_boxed (&node->initial_value, gtk_border_new ());
- }
- else
- g_param_value_set_default (pspec, &node->initial_value);
- }
+ return property->value_type;
}
projects / ~andy / gtk / blobdiff