Commit 0ece7a5d authored by Alexander Larsson's avatar Alexander Larsson

css: Add GtkCssValue, an immutable refcounted css value

parent 42056828
......@@ -438,6 +438,7 @@ gtk_private_h_sources = \
gtkcssshorthandpropertyprivate.h \
gtkcssstylefuncsprivate.h \
gtkcssstylepropertyprivate.h \
gtkcssvalueprivate.h \
gtkcustompaperunixdialog.h \
gtkentryprivate.h \
gtkfilechooserdefault.h \
......@@ -634,6 +635,7 @@ gtk_base_c_sources = \
gtkcssstylefuncs.c \
gtkcssstyleproperty.c \
gtkcssstylepropertyimpl.c \
gtkcssvalue.c \
gtkcsstypes.c \
gtkdialog.c \
gtkdrawingarea.c \
......
/* GTK - The GIMP Toolkit
* Copyright (C) 2011 Red Hat, Inc.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkcssvalueprivate.h"
#include "gtktypebuiltins.h"
#include "gtkgradient.h"
#include <cairo-gobject.h>
#include "gtkprivatetypebuiltins.h"
struct _GtkCssValue
{
volatile gint ref_count;
GValue g_value;
};
G_DEFINE_BOXED_TYPE (GtkCssValue, _gtk_css_value, _gtk_css_value_ref, _gtk_css_value_unref)
static GtkCssValue *
_gtk_css_value_new (void)
{
GtkCssValue *value;
value = g_slice_new0 (GtkCssValue);
value->ref_count = 1;
return value;
}
GtkCssValue *
_gtk_css_value_new_from_gvalue (const GValue *g_value)
{
GtkCssValue *value;
g_return_val_if_fail (g_value != NULL, NULL);
value = _gtk_css_value_new ();
g_value_init (&value->g_value, G_VALUE_TYPE (g_value));
g_value_copy (g_value, &value->g_value);
return value;
}
GtkCssValue *
_gtk_css_value_new_take_gvalue (GValue *g_value)
{
GtkCssValue *value;
g_return_val_if_fail (g_value != NULL, NULL);
value = _gtk_css_value_new ();
value->g_value = *g_value;
return value;
}
GtkCssValue *
_gtk_css_value_new_from_int (gint val)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, G_TYPE_INT);
g_value_set_int (&value->g_value, val);
return value;
}
GtkCssValue *
_gtk_css_value_new_take_string (char *string)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, G_TYPE_STRING);
g_value_take_string (&value->g_value, string);
return value;
}
GtkCssValue *
_gtk_css_value_new_from_string (const char *string)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, G_TYPE_STRING);
g_value_set_string (&value->g_value, string);
return value;
}
GtkCssValue *
_gtk_css_value_new_from_border (const GtkBorder *border)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, GTK_TYPE_BORDER);
g_value_set_boxed (&value->g_value, border);
return value;
}
GtkCssValue *
_gtk_css_value_new_take_pattern (cairo_pattern_t *v)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, CAIRO_GOBJECT_TYPE_PATTERN);
g_value_take_boxed (&value->g_value, v);
return value;
}
GtkCssValue *
_gtk_css_value_new_from_pattern (const cairo_pattern_t *v)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, CAIRO_GOBJECT_TYPE_PATTERN);
g_value_set_boxed (&value->g_value, v);
return value;
}
GtkCssValue *
_gtk_css_value_new_take_shadow (GtkShadow *v)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, GTK_TYPE_SHADOW);
g_value_take_boxed (&value->g_value, v);
return value;
}
GtkCssValue *
_gtk_css_value_new_take_font_description (PangoFontDescription *v)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, PANGO_TYPE_FONT_DESCRIPTION);
g_value_take_boxed (&value->g_value, v);
return value;
}
GtkCssValue *
_gtk_css_value_new_take_image (GtkCssImage *v)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, GTK_TYPE_CSS_IMAGE);
g_value_take_object (&value->g_value, v);
return value;
}
GtkCssValue *
_gtk_css_value_new_from_number (const GtkCssNumber *v)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, GTK_TYPE_CSS_NUMBER);
g_value_set_boxed (&value->g_value, v);
return value;
}
GtkCssValue *
_gtk_css_value_new_from_rgba (const GdkRGBA *v)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, GDK_TYPE_RGBA);
g_value_set_boxed (&value->g_value, v);
return value;
}
GtkCssValue *
_gtk_css_value_new_from_color (const GdkColor *v)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, GDK_TYPE_COLOR);
g_value_set_boxed (&value->g_value, v);
return value;
}
GtkCssValue *
_gtk_css_value_new_from_background_size (const GtkCssBackgroundSize *v)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, GTK_TYPE_CSS_BACKGROUND_SIZE);
g_value_set_boxed (&value->g_value, v);
return value;
}
GtkCssValue *
_gtk_css_value_new_take_symbolic_color (GtkSymbolicColor *v)
{
GtkCssValue *value;
value = _gtk_css_value_new ();
g_value_init (&value->g_value, GTK_TYPE_SYMBOLIC_COLOR);
g_value_take_boxed (&value->g_value, v);
return value;
}
GtkCssValue *
_gtk_css_value_ref (GtkCssValue *value)
{
g_return_val_if_fail (value != NULL, NULL);
g_atomic_int_add (&value->ref_count, 1);
return value;
}
void
_gtk_css_value_unref (GtkCssValue *value)
{
if (value == NULL)
return;
if (!g_atomic_int_dec_and_test (&value->ref_count))
return;
g_value_unset (&value->g_value);
g_slice_free (GtkCssValue, value);
}
GType
_gtk_css_value_get_content_type (GtkCssValue *value)
{
return G_VALUE_TYPE (&value->g_value);
}
gboolean
_gtk_css_value_holds (GtkCssValue *value, GType type)
{
return G_VALUE_HOLDS (&value->g_value, type);
}
void
_gtk_css_value_init_gvalue (GtkCssValue *value,
GValue *g_value)
{
if (value != NULL)
{
g_value_init (g_value, G_VALUE_TYPE (&value->g_value));
g_value_copy (&value->g_value, g_value);
}
}
void
_gtk_css_value_to_gvalue (GtkCssValue *value,
GValue *g_value)
{
if (G_VALUE_TYPE (&value->g_value) == G_VALUE_TYPE (g_value))
g_value_copy (&value->g_value, g_value);
else if (g_value_type_transformable (G_VALUE_TYPE (&value->g_value), G_VALUE_TYPE (g_value)))
g_value_transform (&value->g_value, g_value);
else
g_warning ("can't convert css value of type `%s' as value of type `%s'",
G_VALUE_TYPE_NAME (&value->g_value),
G_VALUE_TYPE_NAME (g_value));
}
gboolean
_gtk_css_value_is_special (GtkCssValue *value)
{
return _gtk_css_value_holds (value, GTK_TYPE_CSS_SPECIAL_VALUE);
}
GtkCssSpecialValue
_gtk_css_value_get_special_kind (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_SPECIAL_VALUE), 0);
return g_value_get_enum (&value->g_value);
}
GtkCssNumber *
_gtk_css_value_get_number (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_NUMBER), NULL);
return g_value_get_boxed (&value->g_value);
}
GtkSymbolicColor *
_gtk_css_value_get_symbolic_color (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_SYMBOLIC_COLOR), NULL);
return g_value_get_boxed (&value->g_value);
}
int
_gtk_css_value_get_int (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_INT), 0);
return g_value_get_int (&value->g_value);
}
double
_gtk_css_value_get_double (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_DOUBLE), 0);
return g_value_get_double (&value->g_value);
}
const char *
_gtk_css_value_get_string (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_STRING), 0);
return g_value_get_string (&value->g_value);
}
gpointer
_gtk_css_value_dup_object (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_OBJECT), NULL);
return g_value_dup_object (&value->g_value);
}
gpointer
_gtk_css_value_get_object (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_OBJECT), NULL);
return g_value_get_object (&value->g_value);
}
gpointer
_gtk_css_value_get_boxed (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_BOXED), NULL);
return g_value_get_boxed (&value->g_value);
}
const char **
_gtk_css_value_get_strv (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_STRV), NULL);
return g_value_get_boxed (&value->g_value);
}
GtkCssImage *
_gtk_css_value_get_image (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_IMAGE), NULL);
return g_value_get_object (&value->g_value);
}
GtkBorderStyle
_gtk_css_value_get_border_style (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_BORDER_STYLE), 0);
return g_value_get_enum (&value->g_value);
}
GtkCssBackgroundSize *
_gtk_css_value_get_background_size (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BACKGROUND_SIZE), NULL);
return g_value_get_boxed (&value->g_value);
}
GtkCssBorderImageRepeat *
_gtk_css_value_get_border_image_repeat (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BORDER_IMAGE_REPEAT), NULL);
return g_value_get_boxed (&value->g_value);
}
GtkCssBorderCornerRadius *
_gtk_css_value_get_border_corner_radius (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BORDER_CORNER_RADIUS), NULL);
return g_value_get_boxed (&value->g_value);
}
PangoFontDescription *
_gtk_css_value_get_font_description (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, PANGO_TYPE_FONT_DESCRIPTION), 0);
return g_value_get_boxed (&value->g_value);
}
PangoStyle
_gtk_css_value_get_pango_style (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, PANGO_TYPE_STYLE), 0);
return g_value_get_enum (&value->g_value);
}
PangoVariant
_gtk_css_value_get_pango_variant (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, PANGO_TYPE_VARIANT), 0);
return g_value_get_enum (&value->g_value);
}
PangoWeight
_gtk_css_value_get_pango_weight (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, PANGO_TYPE_WEIGHT), 0);
return g_value_get_enum (&value->g_value);
}
GdkRGBA *
_gtk_css_value_get_rgba (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, GDK_TYPE_RGBA), NULL);
return g_value_get_boxed (&value->g_value);
}
cairo_pattern_t *
_gtk_css_value_get_pattern (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, CAIRO_GOBJECT_TYPE_PATTERN), NULL);
return g_value_get_boxed (&value->g_value);
}
GtkGradient *
_gtk_css_value_get_gradient (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_GRADIENT), NULL);
return g_value_get_boxed (&value->g_value);
}
GtkShadow *
_gtk_css_value_get_shadow (GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_SHADOW), NULL);
return g_value_get_boxed (&value->g_value);
}
/*
* Copyright © 2012 Red Hat Inc.
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*
* Authors: Alexander Larsson <alexl@gnome.org>
*/
#ifndef __GTK_CSS_VALUE_PRIVATE_H__
#define __GTK_CSS_VALUE_PRIVATE_H__
#include <glib-object.h>
#include "gtkcsstypesprivate.h"
#include "gtksymboliccolor.h"
#include "gtkcssimageprivate.h"
#include "gtkshadowprivate.h"
G_BEGIN_DECLS
#define GTK_TYPE_CSS_VALUE (_gtk_css_value_get_type ())
#define GTK_CSS_VALUE(obj) (G_TYPE_CHECK_INSTANCE_CAST (obj, GTK_TYPE_CSS_VALUE, GtkCssValue))
#define GTK_CSS_VALUE_CLASS(cls) (G_TYPE_CHECK_CLASS_CAST (cls, GTK_TYPE_CSS_VALUE, GtkCssValueClass))
#define GTK_IS_CSS_VALUE(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, GTK_TYPE_CSS_VALUE))
#define GTK_IS_CSS_VALUE_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE (obj, GTK_TYPE_CSS_VALUE))
#define GTK_CSS_VALUE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CSS_VALUE, GtkCssValueClass))
typedef struct _GtkCssValue GtkCssValue;
/* A GtkCssValue is a refcounted immutable value type */
GType _gtk_css_value_get_type (void) G_GNUC_CONST;
GtkCssValue *_gtk_css_value_ref (GtkCssValue *value);
void _gtk_css_value_unref (GtkCssValue *value);
GType _gtk_css_value_get_content_type (GtkCssValue *value);
gboolean _gtk_css_value_holds (GtkCssValue *value,
GType type);
GtkCssValue *_gtk_css_value_new_from_gvalue (const GValue *g_value);
GtkCssValue *_gtk_css_value_new_take_gvalue (GValue *g_value);
GtkCssValue *_gtk_css_value_new_from_int (gint val);
GtkCssValue *_gtk_css_value_new_from_string (const char *string);
GtkCssValue *_gtk_css_value_new_take_string (char *string);
GtkCssValue *_gtk_css_value_new_take_font_description (PangoFontDescription *v);
GtkCssValue *_gtk_css_value_new_from_rgba (const GdkRGBA *v);
GtkCssValue *_gtk_css_value_new_from_color (const GdkColor *v);
GtkCssValue *_gtk_css_value_new_take_symbolic_color (GtkSymbolicColor *v);
GtkCssValue *_gtk_css_value_new_from_border (const GtkBorder *border);
GtkCssValue *_gtk_css_value_new_take_pattern (cairo_pattern_t *v);
GtkCssValue *_gtk_css_value_new_from_pattern (const cairo_pattern_t *v);
GtkCssValue *_gtk_css_value_new_take_shadow (GtkShadow *v);
GtkCssValue *_gtk_css_value_new_take_image (GtkCssImage *v);
GtkCssValue *_gtk_css_value_new_from_number (const GtkCssNumber *v);
GtkCssValue *_gtk_css_value_new_from_background_size (const GtkCssBackgroundSize *v);
void _gtk_css_value_to_gvalue (GtkCssValue *value,
GValue *g_value);
void _gtk_css_value_init_gvalue (GtkCssValue *value,
GValue *g_value);
gboolean _gtk_css_value_is_special (GtkCssValue *value);
GtkCssSpecialValue _gtk_css_value_get_special_kind (GtkCssValue *value);
int _gtk_css_value_get_int (GtkCssValue *value);
double _gtk_css_value_get_double (GtkCssValue *value);
const char * _gtk_css_value_get_string (GtkCssValue *value);
gpointer _gtk_css_value_dup_object (GtkCssValue *value);
gpointer _gtk_css_value_get_object (GtkCssValue *value);
gpointer _gtk_css_value_get_boxed (GtkCssValue *value);
const char ** _gtk_css_value_get_strv (GtkCssValue *value);
GtkCssNumber *_gtk_css_value_get_number (GtkCssValue *value);
GtkSymbolicColor *_gtk_css_value_get_symbolic_color (GtkCssValue *value);
GtkCssImage *_gtk_css_value_get_image (GtkCssValue *value);
GtkBorderStyle _gtk_css_value_get_border_style (GtkCssValue *value);
GtkCssBackgroundSize *_gtk_css_value_get_background_size (GtkCssValue *value);
GtkCssBorderCornerRadius *_gtk_css_value_get_border_corner_radius (GtkCssValue *value);
GtkCssBorderImageRepeat *_gtk_css_value_get_border_image_repeat (GtkCssValue *value);
PangoFontDescription * _gtk_css_value_get_font_description (GtkCssValue *value);
PangoStyle _gtk_css_value_get_pango_style (GtkCssValue *value);
PangoVariant _gtk_css_value_get_pango_variant (GtkCssValue *value);
PangoWeight _gtk_css_value_get_pango_weight (GtkCssValue *value);
GdkRGBA *_gtk_css_value_get_rgba (GtkCssValue *value);
cairo_pattern_t *_gtk_css_value_get_pattern (GtkCssValue *value);
GtkGradient *_gtk_css_value_get_gradient (GtkCssValue *value);
GtkShadow *_gtk_css_value_get_shadow (GtkCssValue *value);
G_END_DECLS
#endif /* __GTK_CSS_VALUE_PRIVATE_H__ */
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