forked from AuroraMiddleware/gtk
735 lines
27 KiB
C
735 lines
27 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 <gobject/gvaluecollector.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <cairo-gobject.h>
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#include "gtkcssparserprivate.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 "gtkcssimageprivate.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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/*** REGISTRATION ***/
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static void
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_gtk_style_property_register (const char * name,
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GType value_type,
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GtkStylePropertyFlags flags,
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GtkCssStylePropertyParseFunc parse_value,
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GtkCssStylePropertyPrintFunc print_value,
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GtkCssStylePropertyComputeFunc compute_value,
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const GValue * initial_value)
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{
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GtkCssStyleProperty *node;
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node = g_object_new (GTK_TYPE_CSS_STYLE_PROPERTY,
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"inherit", (flags & GTK_STYLE_PROPERTY_INHERIT) ? TRUE : FALSE,
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"initial-value", initial_value,
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"name", name,
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"value-type", value_type,
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NULL);
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if (parse_value)
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node->parse_value = parse_value;
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if (print_value)
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node->print_value = print_value;
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if (compute_value)
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node->compute_value = compute_value;
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}
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static void
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gtk_style_property_register (const char * name,
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GType value_type,
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GtkStylePropertyFlags flags,
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GtkCssStylePropertyParseFunc parse_value,
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GtkCssStylePropertyPrintFunc print_value,
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GtkCssStylePropertyComputeFunc compute_value,
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...)
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{
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GValue initial_value = G_VALUE_INIT;
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char *error = NULL;
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va_list args;
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va_start (args, compute_value);
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G_VALUE_COLLECT_INIT (&initial_value, value_type,
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args, 0, &error);
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if (error)
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{
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g_error ("property `%s' initial value is broken: %s", name, error);
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g_value_unset (&initial_value);
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return;
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}
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va_end (args);
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_gtk_style_property_register (name,
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value_type,
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flags,
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parse_value,
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print_value,
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compute_value,
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&initial_value);
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g_value_unset (&initial_value);
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}
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/*** HELPERS ***/
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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 (GtkCssStyleProperty *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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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 (GtkCssStyleProperty *property,
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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 (GtkCssStyleProperty *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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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 (GtkCssStyleProperty *property,
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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 (GtkCssStyleProperty *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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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 (GtkCssStyleProperty *property,
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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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static gboolean
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css_image_value_parse (GtkCssStyleProperty *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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GtkCssImage *image;
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if (_gtk_css_parser_try (parser, "none", TRUE))
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image = NULL;
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else
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{
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image = _gtk_css_image_new_parse (parser, base);
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if (image == NULL)
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return FALSE;
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}
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g_value_unset (value);
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g_value_init (value, GTK_TYPE_CSS_IMAGE);
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g_value_take_object (value, image);
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return TRUE;
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}
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static void
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css_image_value_print (GtkCssStyleProperty *property,
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const GValue *value,
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GString *string)
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{
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GtkCssImage *image = g_value_get_object (value);
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if (image)
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_gtk_css_image_print (image, string);
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else
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g_string_append (string, "none");
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}
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static void
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css_image_value_compute (GtkCssStyleProperty *property,
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GValue *computed,
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GtkStyleContext *context,
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const GValue *specified)
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{
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GtkCssImage *image = g_value_get_object (specified);
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if (image)
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image = _gtk_css_image_compute (image, context);
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g_value_init (computed, GTK_TYPE_CSS_IMAGE);
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g_value_take_object (computed, image);
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}
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/*** REGISTRATION ***/
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#define rgba_init(rgba, r, g, b, a) G_STMT_START{ \
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(rgba)->red = (r); \
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(rgba)->green = (g); \
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(rgba)->blue = (b); \
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(rgba)->alpha = (a); \
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}G_STMT_END
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void
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_gtk_css_style_property_init_properties (void)
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{
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GValue value = { 0, };
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char *default_font_family[] = { "Sans", NULL };
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GdkRGBA rgba;
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GtkCssBorderCornerRadius no_corner_radius = { 0, };
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GtkBorder border_of_ones = { 1, 1, 1, 1 };
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GtkCssBackgroundRepeat background_repeat = { GTK_CSS_BACKGROUND_REPEAT_STYLE_REPEAT };
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GtkCssBorderImageRepeat border_image_repeat = { GTK_CSS_REPEAT_STYLE_STRETCH, GTK_CSS_REPEAT_STYLE_STRETCH };
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/* note that gtk_style_properties_register_property() calls this function,
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* so make sure we're sanely inited to avoid infloops */
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rgba_init (&rgba, 1, 1, 1, 1);
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gtk_style_property_register ("color",
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GDK_TYPE_RGBA,
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GTK_STYLE_PROPERTY_INHERIT,
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NULL,
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NULL,
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NULL,
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&rgba);
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rgba_init (&rgba, 0, 0, 0, 0);
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gtk_style_property_register ("background-color",
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GDK_TYPE_RGBA,
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0,
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NULL,
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NULL,
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NULL,
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&rgba);
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gtk_style_property_register ("font-family",
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G_TYPE_STRV,
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GTK_STYLE_PROPERTY_INHERIT,
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font_family_parse,
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font_family_value_print,
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NULL,
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default_font_family);
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gtk_style_property_register ("font-style",
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PANGO_TYPE_STYLE,
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GTK_STYLE_PROPERTY_INHERIT,
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NULL,
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NULL,
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NULL,
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PANGO_STYLE_NORMAL);
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gtk_style_property_register ("font-variant",
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PANGO_TYPE_VARIANT,
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GTK_STYLE_PROPERTY_INHERIT,
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NULL,
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NULL,
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NULL,
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PANGO_VARIANT_NORMAL);
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/* xxx: need to parse this properly, ie parse the numbers */
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gtk_style_property_register ("font-weight",
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PANGO_TYPE_WEIGHT,
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GTK_STYLE_PROPERTY_INHERIT,
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NULL,
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NULL,
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NULL,
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PANGO_WEIGHT_NORMAL);
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gtk_style_property_register ("font-size",
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G_TYPE_DOUBLE,
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GTK_STYLE_PROPERTY_INHERIT,
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NULL,
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NULL,
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NULL,
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10.0);
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gtk_style_property_register ("text-shadow",
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GTK_TYPE_SHADOW,
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GTK_STYLE_PROPERTY_INHERIT,
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NULL,
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NULL,
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NULL,
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NULL);
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gtk_style_property_register ("icon-shadow",
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GTK_TYPE_SHADOW,
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GTK_STYLE_PROPERTY_INHERIT,
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NULL,
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NULL,
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NULL,
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NULL);
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gtk_style_property_register ("box-shadow",
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GTK_TYPE_SHADOW,
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0,
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NULL,
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NULL,
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NULL,
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NULL);
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gtk_style_property_register ("margin-top",
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G_TYPE_INT,
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0,
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NULL,
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NULL,
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NULL,
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0);
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gtk_style_property_register ("margin-left",
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G_TYPE_INT,
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0,
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NULL,
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NULL,
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NULL,
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0);
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gtk_style_property_register ("margin-bottom",
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G_TYPE_INT,
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0,
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NULL,
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NULL,
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NULL,
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0);
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gtk_style_property_register ("margin-right",
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G_TYPE_INT,
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0,
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NULL,
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NULL,
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NULL,
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0);
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gtk_style_property_register ("padding-top",
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G_TYPE_INT,
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0,
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NULL,
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NULL,
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NULL,
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0);
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gtk_style_property_register ("padding-left",
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G_TYPE_INT,
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0,
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NULL,
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NULL,
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NULL,
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0);
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gtk_style_property_register ("padding-bottom",
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G_TYPE_INT,
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0,
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NULL,
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NULL,
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NULL,
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0);
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gtk_style_property_register ("padding-right",
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G_TYPE_INT,
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0,
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NULL,
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NULL,
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NULL,
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0);
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gtk_style_property_register ("border-top-width",
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G_TYPE_INT,
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0,
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NULL,
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NULL,
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NULL,
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0);
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gtk_style_property_register ("border-left-width",
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G_TYPE_INT,
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0,
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NULL,
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NULL,
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NULL,
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0);
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gtk_style_property_register ("border-bottom-width",
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G_TYPE_INT,
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0,
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NULL,
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NULL,
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NULL,
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0);
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gtk_style_property_register ("border-right-width",
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G_TYPE_INT,
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0,
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NULL,
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NULL,
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NULL,
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0);
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gtk_style_property_register ("border-top-left-radius",
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GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
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0,
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border_corner_radius_value_parse,
|
|
border_corner_radius_value_print,
|
|
NULL,
|
|
&no_corner_radius);
|
|
gtk_style_property_register ("border-top-right-radius",
|
|
GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
|
|
0,
|
|
border_corner_radius_value_parse,
|
|
border_corner_radius_value_print,
|
|
NULL,
|
|
&no_corner_radius);
|
|
gtk_style_property_register ("border-bottom-right-radius",
|
|
GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
|
|
0,
|
|
border_corner_radius_value_parse,
|
|
border_corner_radius_value_print,
|
|
NULL,
|
|
&no_corner_radius);
|
|
gtk_style_property_register ("border-bottom-left-radius",
|
|
GTK_TYPE_CSS_BORDER_CORNER_RADIUS,
|
|
0,
|
|
border_corner_radius_value_parse,
|
|
border_corner_radius_value_print,
|
|
NULL,
|
|
&no_corner_radius);
|
|
|
|
gtk_style_property_register ("border-style",
|
|
GTK_TYPE_BORDER_STYLE,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
GTK_BORDER_STYLE_NONE);
|
|
gtk_style_property_register ("background-clip",
|
|
GTK_TYPE_CSS_AREA,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
GTK_CSS_AREA_BORDER_BOX);
|
|
|
|
gtk_style_property_register ("background-origin",
|
|
GTK_TYPE_CSS_AREA,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
GTK_CSS_AREA_PADDING_BOX);
|
|
|
|
g_value_init (&value, GTK_TYPE_CSS_SPECIAL_VALUE);
|
|
g_value_set_enum (&value, GTK_CSS_CURRENT_COLOR);
|
|
_gtk_style_property_register ("border-top-color",
|
|
GDK_TYPE_RGBA,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&value);
|
|
_gtk_style_property_register ("border-right-color",
|
|
GDK_TYPE_RGBA,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&value);
|
|
_gtk_style_property_register ("border-bottom-color",
|
|
GDK_TYPE_RGBA,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&value);
|
|
_gtk_style_property_register ("border-left-color",
|
|
GDK_TYPE_RGBA,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&value);
|
|
g_value_unset (&value);
|
|
|
|
gtk_style_property_register ("background-repeat",
|
|
GTK_TYPE_CSS_BACKGROUND_REPEAT,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&background_repeat);
|
|
g_value_init (&value, GTK_TYPE_CSS_IMAGE);
|
|
_gtk_style_property_register ("background-image",
|
|
CAIRO_GOBJECT_TYPE_PATTERN,
|
|
0,
|
|
css_image_value_parse,
|
|
css_image_value_print,
|
|
css_image_value_compute,
|
|
&value);
|
|
|
|
_gtk_style_property_register ("border-image-source",
|
|
CAIRO_GOBJECT_TYPE_PATTERN,
|
|
0,
|
|
css_image_value_parse,
|
|
css_image_value_print,
|
|
css_image_value_compute,
|
|
&value);
|
|
g_value_unset (&value);
|
|
gtk_style_property_register ("border-image-repeat",
|
|
GTK_TYPE_CSS_BORDER_IMAGE_REPEAT,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&border_image_repeat);
|
|
|
|
/* XXX: The initial vaue is wrong, it should be 100% */
|
|
gtk_style_property_register ("border-image-slice",
|
|
GTK_TYPE_BORDER,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&border_of_ones);
|
|
gtk_style_property_register ("border-image-width",
|
|
GTK_TYPE_BORDER,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL);
|
|
gtk_style_property_register ("engine",
|
|
GTK_TYPE_THEMING_ENGINE,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
gtk_theming_engine_load (NULL));
|
|
gtk_style_property_register ("transition",
|
|
GTK_TYPE_ANIMATION_DESCRIPTION,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL);
|
|
|
|
/* Private property holding the binding sets */
|
|
gtk_style_property_register ("gtk-key-bindings",
|
|
G_TYPE_PTR_ARRAY,
|
|
0,
|
|
bindings_value_parse,
|
|
bindings_value_print,
|
|
NULL,
|
|
NULL);
|
|
}
|
|
|