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css: Add "-gtk-icon-source: builtin"

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... and make it the default. This takes over the meaning from "none" for
this property in that it draws the fallback builtin image.
"none" now literally means no image will be drawn.
This commit is contained in:
Benjamin Otte 2014-10-21 05:52:05 +02:00
parent 7eb3b6c71f
commit 8abc6e06b2
7 changed files with 210 additions and 6 deletions
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2
gtk/Makefile.am
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@ -543,6 +543,7 @@ gtk_private_h_sources = \
gtkcsseasevalueprivate.h \
gtkcssenginevalueprivate.h \
gtkcssenumvalueprivate.h \
gtkcssimagebuiltinprivate.h \
gtkcssimagecrossfadeprivate.h \
gtkcssimagegradientprivate.h \
gtkcssimageiconthemeprivate.h \
@ -868,6 +869,7 @@ gtk_base_c_sources = \
gtkcssenumvalue.c \
gtkcssenginevalue.c \
gtkcssimage.c \
gtkcssimagebuiltin.c \
gtkcssimagecrossfade.c \
gtkcssimagegradient.c \
gtkcssimageicontheme.c \

127
gtk/gtkcssimagebuiltin.c Normal file
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@ -0,0 +1,127 @@
/*
* 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: Benjamin Otte <otte@gnome.org>
*/
#include "config.h"
#include "gtkcssimagebuiltinprivate.h"
G_DEFINE_TYPE (GtkCssImageBuiltin, gtk_css_image_builtin, GTK_TYPE_CSS_IMAGE)
static GtkCssImage *the_one_true_image;
static void
gtk_css_image_builtin_draw (GtkCssImage *image,
cairo_t *cr,
double width,
double height)
{
/* It's a builtin image, other code will draw things */
}
static gboolean
gtk_css_image_builtin_parse (GtkCssImage *image,
GtkCssParser *parser)
{
if (!_gtk_css_parser_try (parser, "builtin", TRUE))
{
_gtk_css_parser_error (parser, "Expected 'builtin'");
return FALSE;
}
return TRUE;
}
static void
gtk_css_image_builtin_print (GtkCssImage *image,
GString *string)
{
g_string_append (string, "builtin");
}
static GtkCssImage *
gtk_css_image_builtin_compute (GtkCssImage *image,
guint property_id,
GtkStyleProviderPrivate *provider,
int scale,
GtkCssComputedValues *values,
GtkCssComputedValues *parent_values,
GtkCssDependencies *dependencies)
{
return g_object_ref (image);
}
static gboolean
gtk_css_image_builtin_equal (GtkCssImage *image1,
GtkCssImage *image2)
{
return TRUE;
}
static GtkCssImage *
gtk_css_image_builtin_transition (GtkCssImage *start,
GtkCssImage *end,
guint property_id,
double progress)
{
/* builtin images always look the same, so start == end */
return g_object_ref (start);
}
static void
gtk_css_image_builtin_dispose (GObject *object)
{
if (the_one_true_image == GTK_CSS_IMAGE (object))
the_one_true_image = NULL;
G_OBJECT_CLASS (gtk_css_image_builtin_parent_class)->dispose (object);
}
static void
gtk_css_image_builtin_class_init (GtkCssImageBuiltinClass *klass)
{
GtkCssImageClass *image_class = GTK_CSS_IMAGE_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
image_class->draw = gtk_css_image_builtin_draw;
image_class->parse = gtk_css_image_builtin_parse;
image_class->print = gtk_css_image_builtin_print;
image_class->compute = gtk_css_image_builtin_compute;
image_class->equal = gtk_css_image_builtin_equal;
image_class->transition = gtk_css_image_builtin_transition;
object_class->dispose = gtk_css_image_builtin_dispose;
}
static void
gtk_css_image_builtin_init (GtkCssImageBuiltin *builtin)
{
}
GtkCssImage *
gtk_css_image_builtin_new (void)
{
if (the_one_true_image == NULL)
the_one_true_image = g_object_new (GTK_TYPE_CSS_IMAGE_BUILTIN, NULL);
else
g_object_ref (the_one_true_image);
return the_one_true_image;
}

54
gtk/gtkcssimagebuiltinprivate.h Normal file
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@ -0,0 +1,54 @@
/*
* 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: Benjamin Otte <otte@gnome.org>
*/
#ifndef __GTK_CSS_IMAGE_BUILTIN_PRIVATE_H__
#define __GTK_CSS_IMAGE_BUILTIN_PRIVATE_H__
#include "gtk/gtkcssimageprivate.h"
#include "gtk/gtkicontheme.h"
G_BEGIN_DECLS
#define GTK_TYPE_CSS_IMAGE_BUILTIN (gtk_css_image_builtin_get_type ())
#define GTK_CSS_IMAGE_BUILTIN(obj) (G_TYPE_CHECK_INSTANCE_CAST (obj, GTK_TYPE_CSS_IMAGE_BUILTIN, GtkCssImageBuiltin))
#define GTK_CSS_IMAGE_BUILTIN_CLASS(cls) (G_TYPE_CHECK_CLASS_CAST (cls, GTK_TYPE_CSS_IMAGE_BUILTIN, GtkCssImageBuiltinClass))
#define GTK_IS_CSS_IMAGE_BUILTIN(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, GTK_TYPE_CSS_IMAGE_BUILTIN))
#define GTK_IS_CSS_IMAGE_BUILTIN_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE (obj, GTK_TYPE_CSS_IMAGE_BUILTIN))
#define GTK_CSS_IMAGE_BUILTIN_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CSS_IMAGE_BUILTIN, GtkCssImageBuiltinClass))
typedef struct _GtkCssImageBuiltin GtkCssImageBuiltin;
typedef struct _GtkCssImageBuiltinClass GtkCssImageBuiltinClass;
struct _GtkCssImageBuiltin
{
GtkCssImage parent;
};
struct _GtkCssImageBuiltinClass
{
GtkCssImageClass parent_class;
};
GType gtk_css_image_builtin_get_type (void) G_GNUC_CONST;
GtkCssImage * gtk_css_image_builtin_new (void);
G_END_DECLS
#endif /* __GTK_CSS_IMAGE_BUILTIN_PRIVATE_H__ */

2
gtk/gtkcssimageprivate.h
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@ -65,7 +65,7 @@ struct _GtkCssImageClass
/* compare two images for equality */
gboolean (* equal) (GtkCssImage *image1,
GtkCssImage *image2);
/* transition between start and end image (end may be NULL), returns new reference */
/* transition between start and end image (end may be NULL), returns new reference (optional) */
GtkCssImage *(* transition) (GtkCssImage *start,
GtkCssImage *end,
guint property_id,

15
gtk/gtkcssstylepropertyimpl.c
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@ -47,6 +47,7 @@
#include "gtkcsseasevalueprivate.h"
#include "gtkcssenginevalueprivate.h"
#include "gtkcssimageprivate.h"
#include "gtkcssimagebuiltinprivate.h"
#include "gtkcssimagegradientprivate.h"
#include "gtkcssimagevalueprivate.h"
#include "gtkcssinitialvalueprivate.h"
@ -656,6 +657,16 @@ css_image_value_parse (GtkCssStyleProperty *property,
return _gtk_css_image_value_new (image);
}
static GtkCssValue *
css_image_value_parse_with_builtin (GtkCssStyleProperty *property,
GtkCssParser *parser)
{
if (_gtk_css_parser_try (parser, "builtin", TRUE))
return _gtk_css_image_value_new (gtk_css_image_builtin_new ());
return css_image_value_parse (property, parser);
}
static void
css_image_value_query (GtkCssStyleProperty *property,
const GtkCssValue *css_value,
@ -1036,10 +1047,10 @@ _gtk_css_style_property_init_properties (void)
G_TYPE_NONE,
GTK_STYLE_PROPERTY_ANIMATED,
GTK_CSS_AFFECTS_ICON,
css_image_value_parse,
css_image_value_parse_with_builtin,
NULL,
NULL,
_gtk_css_image_value_new (NULL));
_gtk_css_image_value_new (gtk_css_image_builtin_new ()));
gtk_css_style_property_register ("icon-shadow",
GTK_CSS_PROPERTY_ICON_SHADOW,
G_TYPE_NONE,

4
gtk/gtkrender.c
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@ -26,6 +26,7 @@
#include "gtkcsscornervalueprivate.h"
#include "gtkcssenginevalueprivate.h"
#include "gtkcssenumvalueprivate.h"
#include "gtkcssimagebuiltinprivate.h"
#include "gtkcssimagevalueprivate.h"
#include "gtkcssnumbervalueprivate.h"
#include "gtkcssrgbavalueprivate.h"
@ -51,6 +52,9 @@ render_icon_image (GtkStyleContext *context,
image = _gtk_css_image_value_get_image (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ICON_SOURCE));
if (image == NULL)
return TRUE;
if (GTK_IS_CSS_IMAGE_BUILTIN (image))
return FALSE;
shadows = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ICON_SHADOW);

12
gtk/gtkstylecontext.c
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@ -27,6 +27,7 @@
#include "gtkcsscolorvalueprivate.h"
#include "gtkcsscornervalueprivate.h"
#include "gtkcssenumvalueprivate.h"
#include "gtkcssimagebuiltinprivate.h"
#include "gtkcssimagevalueprivate.h"
#include "gtkcssnodedeclarationprivate.h"
#include "gtkcssnumbervalueprivate.h"
@ -3548,14 +3549,19 @@ _gtk_style_context_get_icon_extents (GtkStyleContext *context,
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
g_return_if_fail (extents != NULL);
if (_gtk_css_image_value_get_image (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ICON_SOURCE)) == NULL)
{
extents->x = extents->y = extents->width = extents->height = 0;
return;
}
extents->x = x;
extents->y = y;
extents->width = width;
extents->height = height;
/* strictly speaking we should return an empty rect here,
* but most code still draws a fallback in this case */
if (_gtk_css_image_value_get_image (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ICON_SOURCE)) == NULL)
/* builtin images can't be transformed */
if (GTK_IS_CSS_IMAGE_BUILTIN (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ICON_SOURCE)))
return;
if (!_gtk_css_transform_value_get_matrix (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ICON_TRANSFORM), &transform_matrix))