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Add GtkStyleSet, a store of style properties.

Browse Source 
At the moment there's only basic API for adding,
removing and clearing a property. There's also
API to merge 2 GtkStyleSets.
This commit is contained in:
Carlos Garnacho 2010-03-04 20:59:18 +01:00
parent 06288b5ae8
commit f601abd25f
4 changed files with 327 additions and 0 deletions
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2
gtk/Makefile.am
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@ -291,6 +291,7 @@ gtk_public_h_sources = \
gtkstatusbar.h \
gtkstatusicon.h \
gtkstock.h \
gtkstyleset.h \
gtkstyle.h \
gtkswitch.h \
gtktable.h \
@ -587,6 +588,7 @@ gtk_base_c_sources = \
gtkstatusbar.c \
gtkstatusicon.c \
gtkstock.c \
gtkstyleset.c \
gtkstyle.c \
gtkswitch.c \
gtktable.c \

1
gtk/gtk.h
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@ -174,6 +174,7 @@
#include <gtk/gtkstatusbar.h>
#include <gtk/gtkstatusicon.h>
#include <gtk/gtkstock.h>
#include <gtk/gtkstyleset.h>
#include <gtk/gtkstyle.h>
#include <gtk/gtkswitch.h>
#include <gtk/gtktable.h>

254
gtk/gtkstyleset.c Normal file
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@ -0,0 +1,254 @@
/* 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 "gtkstyleset.h"
#include "gtkprivate.h"
#include "gtkintl.h"
#include "gtkalias.h"
typedef struct GtkStyleSetPrivate GtkStyleSetPrivate;
typedef struct PropertyData PropertyData;
struct PropertyData
{
GValue values[GTK_STATE_LAST];
};
struct GtkStyleSetPrivate
{
GHashTable *properties;
};
#define GTK_STYLE_SET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GTK_TYPE_STYLE_SET, GtkStyleSetPrivate))
static void gtk_style_set_finalize (GObject *object);
G_DEFINE_TYPE (GtkStyleSet, gtk_style_set, G_TYPE_OBJECT)
static void
gtk_style_set_class_init (GtkStyleSetClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gtk_style_set_finalize;
g_type_class_add_private (object_class, sizeof (GtkStyleSetPrivate));
}
static PropertyData *
property_data_new (void)
{
PropertyData *data;
data = g_slice_new0 (PropertyData);
return data;
}
static void
property_data_free (PropertyData *data)
{
gint i;
for (i = 0; i <= GTK_STATE_INSENSITIVE; i++)
g_value_unset (&data->values[i]);
g_slice_free (PropertyData, data);
}
static void
gtk_style_set_init (GtkStyleSet *set)
{
GtkStyleSetPrivate *priv;
priv = GTK_STYLE_SET_GET_PRIVATE (set);
priv->properties = g_hash_table_new_full (g_str_hash,
g_str_equal,
(GDestroyNotify) g_free,
(GDestroyNotify) property_data_free);
}
static void
gtk_style_set_finalize (GObject *object)
{
GtkStyleSetPrivate *priv;
priv = GTK_STYLE_SET_GET_PRIVATE (object);
g_hash_table_destroy (priv->properties);
G_OBJECT_CLASS (gtk_style_set_parent_class)->finalize (object);
}
GtkStyleSet *
gtk_style_set_new (void)
{
return g_object_new (GTK_TYPE_STYLE_SET, NULL);
}
void
gtk_style_set_set_property (GtkStyleSet *set,
const gchar *property,
GtkStateType state,
const GValue *value)
{
GtkStyleSetPrivate *priv;
PropertyData *prop;
g_return_if_fail (GTK_IS_STYLE_SET (set));
g_return_if_fail (property != NULL);
g_return_if_fail (state < GTK_STATE_LAST);
g_return_if_fail (value != NULL);
priv = GTK_STYLE_SET_GET_PRIVATE (set);
prop = g_hash_table_lookup (priv->properties, property);
if (!prop)
{
prop = property_data_new ();
g_hash_table_insert (priv->properties,
g_strdup (property),
prop);
}
if (G_VALUE_TYPE (&prop->values[state]) != G_TYPE_INVALID)
g_value_unset (&prop->values[state]);
g_value_init (&prop->values[state], G_VALUE_TYPE (value));
g_value_copy (value, &prop->values[state]);
}
gboolean
gtk_style_set_get_property (GtkStyleSet *set,
const gchar *property,
GtkStateType state,
GValue *value)
{
GtkStyleSetPrivate *priv;
PropertyData *prop;
g_return_val_if_fail (GTK_IS_STYLE_SET (set), FALSE);
g_return_val_if_fail (property != NULL, FALSE);
g_return_val_if_fail (state < GTK_STATE_LAST, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
priv = GTK_STYLE_SET_GET_PRIVATE (set);
prop = g_hash_table_lookup (priv->properties, property);
if (!prop)
return FALSE;
g_value_init (value, G_VALUE_TYPE (&prop->values[state]));
g_value_copy (&prop->values[state], value);
return TRUE;
}
void
gtk_style_set_unset_property (GtkStyleSet *set,
const gchar *property,
GtkStateType state)
{
GtkStyleSetPrivate *priv;
PropertyData *prop;
g_return_if_fail (GTK_IS_STYLE_SET (set));
g_return_if_fail (property != NULL);
g_return_if_fail (state < GTK_STATE_LAST);
priv = GTK_STYLE_SET_GET_PRIVATE (set);
prop = g_hash_table_lookup (priv->properties, property);
if (!prop)
return;
g_value_unset (&prop->values[state]);
}
void
gtk_style_set_clear (GtkStyleSet *set)
{
GtkStyleSetPrivate *priv;
g_return_if_fail (GTK_IS_STYLE_SET (set));
priv = GTK_STYLE_SET_GET_PRIVATE (set);
g_hash_table_remove_all (priv->properties);
}
void
gtk_style_set_merge (GtkStyleSet *set,
const GtkStyleSet *set_to_merge,
gboolean replace)
{
GtkStyleSetPrivate *priv, *priv_to_merge;
GHashTableIter iter;
gpointer key, value;
g_return_if_fail (GTK_IS_STYLE_SET (set));
g_return_if_fail (GTK_IS_STYLE_SET (set_to_merge));
priv = GTK_STYLE_SET_GET_PRIVATE (set);
priv_to_merge = GTK_STYLE_SET_GET_PRIVATE (set_to_merge);
g_hash_table_iter_init (&iter, priv_to_merge->properties);
while (g_hash_table_iter_next (&iter, &key, &value))
{
const gchar *name_to_merge = key;
PropertyData *prop_to_merge = value;
PropertyData *prop = NULL;
GtkStateType i;
for (i = GTK_STATE_NORMAL; i < GTK_STATE_LAST; i++)
{
if (G_VALUE_TYPE (&prop_to_merge->values[i]) == G_TYPE_INVALID)
continue;
if (!prop)
prop = g_hash_table_lookup (priv->properties, name_to_merge);
if (!prop)
{
prop = property_data_new ();
g_hash_table_insert (priv->properties,
g_strdup (name_to_merge),
prop);
}
if (replace ||
G_VALUE_TYPE (&prop->values[i]) == G_TYPE_INVALID)
{
if (G_VALUE_TYPE (&prop->values[i]) == G_TYPE_INVALID)
g_value_init (&prop->values[i], G_VALUE_TYPE (&prop_to_merge->values[i]));
g_value_copy (&prop_to_merge->values[i],
&prop->values[i]);
}
}
}
}
#define __GTK_STYLE_SET_C__
#include "gtkaliasdef.c"

70
gtk/gtkstyleset.h Normal file
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@ -0,0 +1,70 @@
/* 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_STYLE_SET_H__
#define __GTK_STYLE_SET_H__
#include <glib-object.h>
#include "gtkenums.h"
G_BEGIN_DECLS
#define GTK_TYPE_STYLE_SET (gtk_style_set_get_type ())
#define GTK_STYLE_SET(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_STYLE_SET, GtkStyleSet))
#define GTK_STYLE_SET_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), GTK_TYPE_STYLE_SET, GtkStyleSetClass))
#define GTK_IS_STYLE_SET(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_STYLE_SET))
#define GTK_IS_STYLE_SET_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), GTK_TYPE_STYLE_SET))
#define GTK_STYLE_SET_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_STYLE_SET, GtkStyleSetClass))
typedef struct GtkStyleSet GtkStyleSet;
typedef struct GtkStyleSetClass GtkStyleSetClass;
struct GtkStyleSet
{
GObject parent_object;
};
struct GtkStyleSetClass
{
GObjectClass parent_class;
};
GType gtk_style_set_get_type (void) G_GNUC_CONST;
GtkStyleSet * gtk_style_set_new (void);
void gtk_style_set_set_property (GtkStyleSet *set,
const gchar *property,
GtkStateType state,
const GValue *value);
gboolean gtk_style_set_get_property (GtkStyleSet *set,
const gchar *property,
GtkStateType state,
GValue *value);
void gtk_style_set_unset_property (GtkStyleSet *set,
const gchar *property,
GtkStateType state);
void gtk_style_set_clear (GtkStyleSet *set);
G_END_DECLS
#endif /* __GTK_STYLE_PROPERTY_SET_H__ */