[gtk+/wip/css: 60/143] css: Split generic parse/print functions out
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/wip/css: 60/143] css: Split generic parse/print functions out
- Date: Fri, 6 Jan 2012 14:51:13 +0000 (UTC)
commit 11e92a60f4111ff66de4c856505925a14c64e1a8
Author: Benjamin Otte <otte redhat com>
Date: Sun Jan 1 18:14:51 2012 +0100
css: Split generic parse/print functions out
It seems to be some sort of sport for me to split them out and merge
them back in...
gtk/Makefile.am | 2 +
gtk/gtkcssstylefuncs.c | 1465 ++++++++++++++++++++++++++++++++++++++++
gtk/gtkcssstylefuncsprivate.h | 35 +
gtk/gtkstyleproperty.c | 1472 +++--------------------------------------
4 files changed, 1582 insertions(+), 1392 deletions(-)
---
diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index 2a32181..86646d7 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -416,6 +416,7 @@ gtk_private_h_sources = \
gtkcsssectionprivate.h \
gtkcssselectorprivate.h \
gtkcssshorthandpropertyprivate.h \
+ gtkcssstylefuncsprivate.h \
gtkcssstylepropertyprivate.h \
gtkcustompaperunixdialog.h \
gtkdndcursors.h \
@@ -591,6 +592,7 @@ gtk_base_c_sources = \
gtkcssselector.c \
gtkcssshorthandproperty.c \
gtkcssshorthandpropertyimpl.c \
+ gtkcssstylefuncs.c \
gtkcssstyleproperty.c \
gtkcsstypes.c \
gtkdialog.c \
diff --git a/gtk/gtkcssstylefuncs.c b/gtk/gtkcssstylefuncs.c
new file mode 100644
index 0000000..5ba366c
--- /dev/null
+++ b/gtk/gtkcssstylefuncs.c
@@ -0,0 +1,1465 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2010 Carlos Garnacho <carlosg gnome org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * 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.
+ */
+
+#include "config.h"
+
+#include "gtkcssstylefuncsprivate.h"
+
+#include <errno.h>
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <cairo-gobject.h>
+
+#include "gtkanimationdescription.h"
+#include "gtkcssprovider.h"
+#include "gtkcsstypesprivate.h"
+#include "gtkgradient.h"
+#include "gtkprivatetypebuiltins.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"
+
+static GHashTable *parse_funcs = NULL;
+static GHashTable *print_funcs = NULL;
+
+typedef gboolean (* GtkStyleParseFunc) (GtkCssParser *parser,
+ GFile *base,
+ GValue *value);
+typedef void (* GtkStylePrintFunc) (const GValue *value,
+ GString *string);
+
+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_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)
+{
+ gdouble d;
+
+ if (!_gtk_css_parser_try_double (parser, &d))
+ {
+ _gtk_css_parser_error (parser, "Expected a number");
+ return FALSE;
+ }
+
+ g_value_set_double (value, d);
+ return TRUE;
+}
+
+static void
+double_value_print (const GValue *value,
+ GString *string)
+{
+ string_append_double (string, g_value_get_double (value));
+}
+
+static gboolean
+float_value_parse (GtkCssParser *parser,
+ GFile *base,
+ GValue *value)
+{
+ gdouble d;
+
+ if (!_gtk_css_parser_try_double (parser, &d))
+ {
+ _gtk_css_parser_error (parser, "Expected a number");
+ return FALSE;
+ }
+
+ g_value_set_float (value, d);
+ return TRUE;
+}
+
+static void
+float_value_print (const GValue *value,
+ GString *string)
+{
+ string_append_double (string, g_value_get_float (value));
+}
+
+static gboolean
+string_value_parse (GtkCssParser *parser,
+ GFile *base,
+ GValue *value)
+{
+ char *str = _gtk_css_parser_read_string (parser);
+
+ if (str == NULL)
+ return FALSE;
+
+ g_value_take_string (value, str);
+ return TRUE;
+}
+
+static void
+string_value_print (const GValue *value,
+ GString *str)
+{
+ string_append_string (str, g_value_get_string (value));
+}
+
+static gboolean
+theming_engine_value_parse (GtkCssParser *parser,
+ GFile *base,
+ GValue *value)
+{
+ 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;
+ }
+
+ engine = gtk_theming_engine_load (str);
+
+ if (engine == NULL)
+ {
+ _gtk_css_parser_error (parser, "Themeing engine '%s' not found", str);
+ g_free (str);
+ return FALSE;
+ }
+
+ g_value_set_object (value, engine);
+ g_free (str);
+ return TRUE;
+}
+
+static void
+theming_engine_value_print (const GValue *value,
+ GString *string)
+{
+ 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);
+ }
+}
+
+static gboolean
+animation_description_value_parse (GtkCssParser *parser,
+ GFile *base,
+ GValue *value)
+{
+ GtkAnimationDescription *desc;
+ char *str;
+
+ str = _gtk_css_parser_read_value (parser);
+ if (str == NULL)
+ return FALSE;
+
+ desc = _gtk_animation_description_from_string (str);
+ g_free (str);
+
+ if (desc == NULL)
+ {
+ _gtk_css_parser_error (parser, "Invalid animation description");
+ return FALSE;
+ }
+
+ g_value_take_boxed (value, desc);
+ return TRUE;
+}
+
+static void
+animation_description_value_print (const GValue *value,
+ GString *string)
+{
+ GtkAnimationDescription *desc = g_value_get_boxed (value);
+
+ if (desc == NULL)
+ g_string_append (string, "none");
+ else
+ _gtk_animation_description_print (desc, string);
+}
+
+static gboolean
+border_value_parse (GtkCssParser *parser,
+ GFile *base,
+ GValue *value)
+{
+ 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;
+
+ 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);
+}
+
+/*** API ***/
+
+static void
+gtk_css_style_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);
+}
+
+/**
+ * _gtk_css_style_parse_value:
+ * @value: the value to parse into. Must be a valid initialized #GValue
+ * @parser: the parser to parse from
+ * @base: the base URL for @parser
+ *
+ * This is the generic parsing function used for CSS values. If the
+ * function fails to parse a value, it will emit an error on @parser,
+ * return %FALSE and not touch @value.
+ *
+ * Returns: %TRUE if parsing succeeded.
+ **/
+gboolean
+_gtk_css_style_parse_value (GValue *value,
+ GtkCssParser *parser,
+ GFile *base)
+{
+ GtkStyleParseFunc func;
+
+ g_return_val_if_fail (value != NULL, FALSE);
+ g_return_val_if_fail (parser != NULL, FALSE);
+
+ gtk_css_style_funcs_init ();
+
+ 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);
+}
+
+/**
+ * _gtk_css_style_print_value:
+ * @value: an initialized GValue returned from _gtk_css_style_parse()
+ * @string: the string to print into
+ *
+ * Prints @value into @string as a CSS value. If @value is not a
+ * valid value, a random string will be printed instead.
+ **/
+void
+_gtk_css_style_print_value (const GValue *value,
+ GString *string)
+{
+ GtkStylePrintFunc func;
+
+ gtk_css_style_funcs_init ();
+
+ 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);
+}
+
diff --git a/gtk/gtkcssstylefuncsprivate.h b/gtk/gtkcssstylefuncsprivate.h
new file mode 100644
index 0000000..d4d2932
--- /dev/null
+++ b/gtk/gtkcssstylefuncsprivate.h
@@ -0,0 +1,35 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2010 Carlos Garnacho <carlosg gnome org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * 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.
+ */
+
+#ifndef __GTK_CSS_STYLE_FUNCS_PRIVATE_H__
+#define __GTK_CSS_STYLE_FUNCS_PRIVATE_H__
+
+#include "gtkcssparserprivate.h"
+
+G_BEGIN_DECLS
+
+gboolean _gtk_css_style_parse_value (GValue *value,
+ GtkCssParser *parser,
+ GFile *base);
+void _gtk_css_style_print_value (const GValue *value,
+ GString *string);
+
+G_END_DECLS
+
+#endif /* __GTK_CSS_STYLE_FUNCS_PRIVATE_H__ */
diff --git a/gtk/gtkstyleproperty.c b/gtk/gtkstyleproperty.c
index a464840..d9cea0a 100644
--- a/gtk/gtkstyleproperty.c
+++ b/gtk/gtkstyleproperty.c
@@ -32,6 +32,7 @@
#include "gtkcssprovider.h"
#include "gtkcssparserprivate.h"
#include "gtkcssshorthandpropertyprivate.h"
+#include "gtkcssstylefuncsprivate.h"
#include "gtkcssstylepropertyprivate.h"
#include "gtkcsstypesprivate.h"
#include "gtkintl.h"
@@ -58,9 +59,6 @@ enum {
PROP_VALUE_TYPE
};
-static GHashTable *parse_funcs = NULL;
-static GHashTable *print_funcs = NULL;
-
G_DEFINE_ABSTRACT_TYPE (GtkStyleProperty, _gtk_style_property, G_TYPE_OBJECT)
static void
@@ -155,17 +153,6 @@ _gtk_style_property_init (GtkStyleProperty *property)
}
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)
{
@@ -214,31 +201,6 @@ string_append_string (GString *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,
@@ -256,128 +218,6 @@ enum_print (int value,
}
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)
@@ -446,1240 +286,125 @@ font_family_value_print (const GValue *value,
}
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)
+bindings_value_parse (GtkCssParser *parser,
+ GFile *base,
+ GValue *value)
{
- const PangoFontDescription *desc = g_value_get_boxed (value);
+ GPtrArray *array;
+ GtkBindingSet *binding_set;
+ char *name;
- 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);
- }
-}
+ array = g_ptr_array_new ();
-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;
- }
-}
+ 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;
+ }
-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");
-}
+ binding_set = gtk_binding_set_find (name);
-static gboolean
-int_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- gint i;
+ if (!binding_set)
+ {
+ _gtk_css_parser_error (parser, "No binding set named '%s'", name);
+ g_free (name);
+ continue;
+ }
- 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 */
+ g_ptr_array_add (array, binding_set);
+ g_free (name);
}
+ while (_gtk_css_parser_try (parser, ",", TRUE));
- if (!_gtk_css_parser_try_int (parser, &i))
- {
- _gtk_css_parser_error (parser, "Expected a valid integer value");
- return FALSE;
- }
+ g_value_take_boxed (value, array);
- g_value_set_int (value, i);
return TRUE;
}
static void
-int_value_print (const GValue *value,
- GString *string)
+bindings_value_print (const GValue *value,
+ GString *string)
{
- g_string_append_printf (string, "%d", g_value_get_int (value));
-}
+ GPtrArray *array;
+ guint i;
-static gboolean
-uint_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- guint u;
+ array = g_value_get_boxed (value);
- if (!_gtk_css_parser_try_uint (parser, &u))
+ for (i = 0; i < array->len; i++)
{
- _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)
-{
- gdouble d;
+ GtkBindingSet *binding_set = g_ptr_array_index (array, i);
- if (!_gtk_css_parser_try_double (parser, &d))
- {
- _gtk_css_parser_error (parser, "Expected a number");
- return FALSE;
+ if (i > 0)
+ g_string_append (string, ", ");
+ g_string_append (string, binding_set->set_name);
}
-
- g_value_set_double (value, d);
- return TRUE;
-}
-
-static void
-double_value_print (const GValue *value,
- GString *string)
-{
- string_append_double (string, g_value_get_double (value));
}
static gboolean
-float_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
+border_corner_radius_value_parse (GtkCssParser *parser,
+ GFile *base,
+ GValue *value)
{
- gdouble d;
+ GtkCssBorderCornerRadius corner;
- if (!_gtk_css_parser_try_double (parser, &d))
+ 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;
- g_value_set_float (value, d);
- return TRUE;
-}
-
-static void
-float_value_print (const GValue *value,
- GString *string)
-{
- string_append_double (string, g_value_get_float (value));
-}
-
-static gboolean
-string_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- char *str = _gtk_css_parser_read_string (parser);
-
- if (str == NULL)
- return FALSE;
+ if (!_gtk_css_parser_try_double (parser, &corner.vertical))
+ corner.vertical = corner.horizontal;
+ else if (corner.vertical < 0)
+ goto negative;
- g_value_take_string (value, str);
+ g_value_set_boxed (value, &corner);
return TRUE;
-}
-static void
-string_value_print (const GValue *value,
- GString *str)
-{
- string_append_string (str, g_value_get_string (value));
+negative:
+ _gtk_css_parser_error (parser, "Border radius values cannot be negative");
+ return FALSE;
}
-static gboolean
-theming_engine_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
+static void
+border_corner_radius_value_print (const GValue *value,
+ GString *string)
{
- GtkThemingEngine *engine;
- char *str;
+ GtkCssBorderCornerRadius *corner;
- if (_gtk_css_parser_try (parser, "none", TRUE))
- {
- g_value_set_object (value, gtk_theming_engine_load (NULL));
- return TRUE;
- }
+ corner = g_value_get_boxed (value);
- str = _gtk_css_parser_try_ident (parser, TRUE);
- if (str == NULL)
+ if (corner == NULL)
{
- _gtk_css_parser_error (parser, "Expected a valid theme name");
- return FALSE;
+ g_string_append (string, "none");
+ return;
}
- engine = gtk_theming_engine_load (str);
-
- if (engine == NULL)
+ string_append_double (string, corner->horizontal);
+ if (corner->horizontal != corner->vertical)
{
- _gtk_css_parser_error (parser, "Themeing engine '%s' not found", str);
- g_free (str);
- return FALSE;
+ g_string_append_c (string, ' ');
+ string_append_double (string, corner->vertical);
}
-
- g_value_set_object (value, engine);
- g_free (str);
- return TRUE;
}
-static void
-theming_engine_value_print (const GValue *value,
- GString *string)
-{
- 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);
- }
-}
+/*** API ***/
-static gboolean
-animation_description_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
+gboolean
+_gtk_style_property_parse_value (GtkStyleProperty *property,
+ GValue *value,
+ GtkCssParser *parser,
+ GFile *base)
{
- GtkAnimationDescription *desc;
- char *str;
-
- str = _gtk_css_parser_read_value (parser);
- if (str == NULL)
- return FALSE;
-
- desc = _gtk_animation_description_from_string (str);
- g_free (str);
+ g_return_val_if_fail (value != NULL, FALSE);
+ g_return_val_if_fail (parser != NULL, FALSE);
- if (desc == NULL)
- {
- _gtk_css_parser_error (parser, "Invalid animation description");
- return FALSE;
- }
-
- g_value_take_boxed (value, desc);
- return TRUE;
-}
-
-static void
-animation_description_value_print (const GValue *value,
- GString *string)
-{
- GtkAnimationDescription *desc = g_value_get_boxed (value);
-
- if (desc == NULL)
- g_string_append (string, "none");
- else
- _gtk_animation_description_print (desc, string);
-}
-
-static gboolean
-border_value_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value)
-{
- 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;
-
- 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);
- }
-}
-
-/*** API ***/
-
-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 (property)
{
if (_gtk_css_parser_try (parser, "initial", TRUE))
{
@@ -1721,27 +446,11 @@ _gtk_style_property_parse_value (GtkStyleProperty *property,
return success;
}
- func = property->parse_func;
+ if (property->parse_func)
+ return (* property->parse_func) (parser, base, value);
}
- 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);
+ return _gtk_css_style_parse_value (value, parser, base);
}
void
@@ -1749,33 +458,12 @@ _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;
+ enum_print (g_value_get_enum (value), GTK_TYPE_CSS_SPECIAL_VALUE, string);
+ else if (property && property->print_func)
+ (* property->print_func) (value, string);
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);
+ _gtk_css_style_print_value (value, string);
}
static void
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