forked from AuroraMiddleware/gtk
965 lines
39 KiB
C
965 lines
39 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
|
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* modify it under the terms of the GNU Lesser General Public
|
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "gtkstylepropertyprivate.h"
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#include <errno.h>
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <cairo-gobject.h>
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#include "gtkcssprovider.h"
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#include "gtkcssparserprivate.h"
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#include "gtkcssshorthandpropertyprivate.h"
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#include "gtkcssstylefuncsprivate.h"
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#include "gtkcssstylepropertyprivate.h"
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#include "gtkcsstypesprivate.h"
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#include "gtkintl.h"
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#include "gtkprivatetypebuiltins.h"
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#include "gtkstylepropertiesprivate.h"
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/* the actual parsers we have */
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#include "gtkanimationdescription.h"
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#include "gtkbindings.h"
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#include "gtkgradient.h"
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#include "gtkshadowprivate.h"
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#include "gtkthemingengine.h"
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#include "gtktypebuiltins.h"
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#include "gtkwin32themeprivate.h"
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/* this is in case round() is not provided by the compiler,
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* such as in the case of C89 compilers, like MSVC
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*/
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#include "fallback-c89.c"
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enum {
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PROP_0,
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PROP_NAME,
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PROP_VALUE_TYPE
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};
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G_DEFINE_ABSTRACT_TYPE (GtkStyleProperty, _gtk_style_property, G_TYPE_OBJECT)
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static void
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gtk_style_property_finalize (GObject *object)
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{
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GtkStyleProperty *property = GTK_STYLE_PROPERTY (object);
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g_warning ("finalizing %s `%s', how could this happen?", G_OBJECT_TYPE_NAME (object), property->name);
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G_OBJECT_CLASS (_gtk_style_property_parent_class)->finalize (object);
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}
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static void
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gtk_style_property_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkStyleProperty *property = GTK_STYLE_PROPERTY (object);
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GtkStylePropertyClass *klass = GTK_STYLE_PROPERTY_GET_CLASS (property);
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switch (prop_id)
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{
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case PROP_NAME:
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property->name = g_value_dup_string (value);
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g_assert (property->name);
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g_assert (g_hash_table_lookup (klass->properties, property->name) == NULL);
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g_hash_table_insert (klass->properties, property->name, property);
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break;
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case PROP_VALUE_TYPE:
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property->value_type = g_value_get_gtype (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_style_property_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkStyleProperty *property = GTK_STYLE_PROPERTY (object);
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switch (prop_id)
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{
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case PROP_NAME:
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g_value_set_string (value, property->name);
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break;
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case PROP_VALUE_TYPE:
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g_value_set_gtype (value, property->value_type);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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_gtk_style_property_class_init (GtkStylePropertyClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = gtk_style_property_finalize;
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object_class->set_property = gtk_style_property_set_property;
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object_class->get_property = gtk_style_property_get_property;
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g_object_class_install_property (object_class,
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PROP_NAME,
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g_param_spec_string ("name",
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P_("Property name"),
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P_("The name of the property"),
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NULL,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class,
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PROP_VALUE_TYPE,
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g_param_spec_gtype ("value-type",
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P_("Value type"),
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P_("The value type returned by GtkStyleContext"),
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G_TYPE_NONE,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
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klass->properties = g_hash_table_new (g_str_hash, g_str_equal);
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}
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static void
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_gtk_style_property_init (GtkStyleProperty *property)
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{
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property->value_type = G_TYPE_NONE;
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}
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static void
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string_append_double (GString *string,
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double d)
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{
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char buf[G_ASCII_DTOSTR_BUF_SIZE];
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g_ascii_dtostr (buf, sizeof (buf), d);
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g_string_append (string, buf);
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}
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static void
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string_append_string (GString *str,
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const char *string)
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{
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gsize len;
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g_string_append_c (str, '"');
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do {
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len = strcspn (string, "\"\n\r\f");
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g_string_append (str, string);
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string += len;
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switch (*string)
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{
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case '\0':
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break;
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case '\n':
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g_string_append (str, "\\A ");
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break;
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case '\r':
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g_string_append (str, "\\D ");
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break;
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case '\f':
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g_string_append (str, "\\C ");
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break;
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case '\"':
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g_string_append (str, "\\\"");
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break;
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default:
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g_assert_not_reached ();
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break;
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}
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} while (*string);
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g_string_append_c (str, '"');
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}
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/*** IMPLEMENTATIONS ***/
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static gboolean
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font_family_parse (GtkCssParser *parser,
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GFile *base,
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GValue *value)
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{
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GPtrArray *names;
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char *name;
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/* We don't special case generic families. Pango should do
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* that for us */
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names = g_ptr_array_new ();
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do {
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name = _gtk_css_parser_try_ident (parser, TRUE);
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if (name)
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{
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GString *string = g_string_new (name);
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g_free (name);
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while ((name = _gtk_css_parser_try_ident (parser, TRUE)))
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{
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g_string_append_c (string, ' ');
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g_string_append (string, name);
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g_free (name);
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}
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name = g_string_free (string, FALSE);
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}
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else
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{
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name = _gtk_css_parser_read_string (parser);
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if (name == NULL)
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{
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g_ptr_array_free (names, TRUE);
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return FALSE;
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}
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}
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g_ptr_array_add (names, name);
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} while (_gtk_css_parser_try (parser, ",", TRUE));
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/* NULL-terminate array */
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g_ptr_array_add (names, NULL);
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g_value_set_boxed (value, g_ptr_array_free (names, FALSE));
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return TRUE;
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}
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static void
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font_family_value_print (const GValue *value,
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GString *string)
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{
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const char **names = g_value_get_boxed (value);
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if (names == NULL || *names == NULL)
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{
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g_string_append (string, "none");
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return;
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}
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string_append_string (string, *names);
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names++;
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while (*names)
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{
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g_string_append (string, ", ");
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string_append_string (string, *names);
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names++;
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}
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}
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static gboolean
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bindings_value_parse (GtkCssParser *parser,
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GFile *base,
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GValue *value)
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{
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GPtrArray *array;
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GtkBindingSet *binding_set;
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char *name;
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array = g_ptr_array_new ();
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do {
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name = _gtk_css_parser_try_ident (parser, TRUE);
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if (name == NULL)
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{
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_gtk_css_parser_error (parser, "Not a valid binding name");
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g_ptr_array_free (array, TRUE);
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return FALSE;
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}
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binding_set = gtk_binding_set_find (name);
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if (!binding_set)
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{
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_gtk_css_parser_error (parser, "No binding set named '%s'", name);
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g_free (name);
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continue;
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}
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g_ptr_array_add (array, binding_set);
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g_free (name);
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}
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while (_gtk_css_parser_try (parser, ",", TRUE));
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g_value_take_boxed (value, array);
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return TRUE;
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}
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static void
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bindings_value_print (const GValue *value,
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GString *string)
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{
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GPtrArray *array;
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guint i;
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array = g_value_get_boxed (value);
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for (i = 0; i < array->len; i++)
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{
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GtkBindingSet *binding_set = g_ptr_array_index (array, i);
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if (i > 0)
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g_string_append (string, ", ");
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g_string_append (string, binding_set->set_name);
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}
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}
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static gboolean
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border_corner_radius_value_parse (GtkCssParser *parser,
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GFile *base,
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GValue *value)
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{
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GtkCssBorderCornerRadius corner;
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if (!_gtk_css_parser_try_double (parser, &corner.horizontal))
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{
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_gtk_css_parser_error (parser, "Expected a number");
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return FALSE;
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}
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else if (corner.horizontal < 0)
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goto negative;
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if (!_gtk_css_parser_try_double (parser, &corner.vertical))
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corner.vertical = corner.horizontal;
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else if (corner.vertical < 0)
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goto negative;
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g_value_set_boxed (value, &corner);
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return TRUE;
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negative:
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_gtk_css_parser_error (parser, "Border radius values cannot be negative");
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return FALSE;
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}
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static void
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border_corner_radius_value_print (const GValue *value,
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GString *string)
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{
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GtkCssBorderCornerRadius *corner;
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corner = g_value_get_boxed (value);
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if (corner == NULL)
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{
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g_string_append (string, "none");
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return;
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}
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string_append_double (string, corner->horizontal);
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if (corner->horizontal != corner->vertical)
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{
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g_string_append_c (string, ' ');
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string_append_double (string, corner->vertical);
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}
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}
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/*** API ***/
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||
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gboolean
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_gtk_style_property_parse_value (GtkStyleProperty *property,
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GValue *value,
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GtkCssParser *parser,
|
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GFile *base)
|
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{
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g_return_val_if_fail (GTK_IS_STYLE_PROPERTY (property), FALSE);
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g_return_val_if_fail (value != NULL, FALSE);
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g_return_val_if_fail (parser != NULL, FALSE);
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||
|
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if (_gtk_css_parser_try (parser, "initial", TRUE))
|
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{
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/* the initial value can be explicitly specified with the
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* ‘initial’ keyword which all properties accept.
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*/
|
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g_value_unset (value);
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g_value_init (value, GTK_TYPE_CSS_SPECIAL_VALUE);
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g_value_set_enum (value, GTK_CSS_INITIAL);
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return TRUE;
|
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}
|
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else if (_gtk_css_parser_try (parser, "inherit", TRUE))
|
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{
|
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/* All properties accept the ‘inherit’ value which
|
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* explicitly specifies that the value will be determined
|
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* by inheritance. The ‘inherit’ value can be used to
|
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* strengthen inherited values in the cascade, and it can
|
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* also be used on properties that are not normally inherited.
|
||
*/
|
||
g_value_unset (value);
|
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g_value_init (value, GTK_TYPE_CSS_SPECIAL_VALUE);
|
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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;
|
||
}
|
||
else if (property->parse_func)
|
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return (* property->parse_func) (parser, base, value);
|
||
else
|
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return _gtk_css_style_parse_value (value, parser, base);
|
||
}
|
||
|
||
GParameter *
|
||
_gtk_style_property_unpack (GtkStyleProperty *property,
|
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const GValue *value,
|
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guint *n_params)
|
||
{
|
||
g_return_val_if_fail (property != NULL, NULL);
|
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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);
|
||
}
|
||
|
||
/**
|
||
* _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)
|
||
{
|
||
GtkStylePropertyClass *klass;
|
||
|
||
g_return_if_fail (GTK_IS_STYLE_PROPERTY (property));
|
||
g_return_if_fail (GTK_IS_STYLE_PROPERTIES (props));
|
||
g_return_if_fail (value != NULL);
|
||
|
||
klass = GTK_STYLE_PROPERTY_GET_CLASS (property);
|
||
|
||
klass->assign (property, props, state, value);
|
||
}
|
||
|
||
/**
|
||
* _gtk_style_property_query:
|
||
* @property: the property
|
||
* @props: The properties to query
|
||
* @state: The state to query
|
||
* @value: (out): an uninitialized #GValue to be filled with the
|
||
* contents of the lookup
|
||
*
|
||
* 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,
|
||
GtkStyleProperties *props,
|
||
GtkStateFlags state,
|
||
GtkStylePropertyContext *context,
|
||
GValue *value)
|
||
{
|
||
GtkStylePropertyClass *klass;
|
||
|
||
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);
|
||
|
||
klass = GTK_STYLE_PROPERTY_GET_CLASS (property);
|
||
|
||
g_value_init (value, property->value_type);
|
||
|
||
klass->query (property, props, state, context, 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,
|
||
NULL,
|
||
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,
|
||
NULL,
|
||
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,
|
||
NULL,
|
||
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,
|
||
NULL,
|
||
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,
|
||
NULL,
|
||
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;
|
||
}
|
||
|
||
/**
|
||
* _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)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_STYLE_PROPERTY (property), G_TYPE_NONE);
|
||
|
||
return property->value_type;
|
||
}
|
||
|
||
|
||
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;
|
||
GValue initial_fallback = { 0, };
|
||
|
||
if (initial_value == NULL)
|
||
{
|
||
g_value_init (&initial_fallback, pspec->value_type);
|
||
if (pspec->value_type == GTK_TYPE_THEMING_ENGINE)
|
||
g_value_set_object (&initial_fallback, gtk_theming_engine_load (NULL));
|
||
else if (pspec->value_type == PANGO_TYPE_FONT_DESCRIPTION)
|
||
g_value_take_boxed (&initial_fallback, 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 (&initial_fallback, &color);
|
||
}
|
||
else if (pspec->value_type == GTK_TYPE_BORDER)
|
||
{
|
||
g_value_take_boxed (&initial_fallback, gtk_border_new ());
|
||
}
|
||
else
|
||
g_param_value_set_default (pspec, &initial_fallback);
|
||
|
||
initial_value = &initial_fallback;
|
||
}
|
||
|
||
node = g_object_new (GTK_TYPE_CSS_STYLE_PROPERTY,
|
||
"inherit", (flags & GTK_STYLE_PROPERTY_INHERIT) ? TRUE : FALSE,
|
||
"initial-value", initial_value,
|
||
"name", pspec->name,
|
||
"value-type", pspec->value_type,
|
||
NULL);
|
||
g_assert (node->value_type == pspec->value_type);
|
||
node->pspec = pspec;
|
||
node->property_parse_func = property_parse_func;
|
||
node->parse_func = parse_func;
|
||
node->print_func = print_func;
|
||
|
||
if (G_IS_VALUE (&initial_fallback))
|
||
g_value_unset (&initial_fallback);
|
||
}
|