gtk2/gtk/gtkstyleproviderprivate.c
Benjamin Otte 3ff7f1fd43 style: Add _gtk_style_provider_private_get_settings()
This gives a GtkSettings object for resolving system-dependant things -
like the default font family and font size.
No code does this yet, but we have an API.

Only GtkSettings implements this.
2012-12-01 01:24:12 +01:00

143 lines
4.1 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 2011 Benjamin Otte <otte@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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkstyleproviderprivate.h"
#include "gtkintl.h"
#include "gtkstyleprovider.h"
enum {
CHANGED,
LAST_SIGNAL
};
G_DEFINE_INTERFACE (GtkStyleProviderPrivate, _gtk_style_provider_private, GTK_TYPE_STYLE_PROVIDER)
static guint signals[LAST_SIGNAL];
static void
_gtk_style_provider_private_default_init (GtkStyleProviderPrivateInterface *iface)
{
signals[CHANGED] = g_signal_new (I_("-gtk-private-changed"),
G_TYPE_FROM_INTERFACE (iface),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkStyleProviderPrivateInterface, changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
GtkCssValue *
_gtk_style_provider_private_get_color (GtkStyleProviderPrivate *provider,
const char *name)
{
GtkStyleProviderPrivateInterface *iface;
/* for compat with gtk_symbolic_color_resolve() */
if (provider == NULL)
return NULL;
g_return_val_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider), NULL);
iface = GTK_STYLE_PROVIDER_PRIVATE_GET_INTERFACE (provider);
if (!iface->get_color)
return NULL;
return iface->get_color (provider, name);
}
GtkCssKeyframes *
_gtk_style_provider_private_get_keyframes (GtkStyleProviderPrivate *provider,
const char *name)
{
GtkStyleProviderPrivateInterface *iface;
g_return_val_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider), NULL);
g_return_val_if_fail (name != NULL, NULL);
iface = GTK_STYLE_PROVIDER_PRIVATE_GET_INTERFACE (provider);
if (!iface->get_keyframes)
return NULL;
return iface->get_keyframes (provider, name);
}
void
_gtk_style_provider_private_lookup (GtkStyleProviderPrivate *provider,
const GtkCssMatcher *matcher,
GtkCssLookup *lookup)
{
GtkStyleProviderPrivateInterface *iface;
g_return_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider));
g_return_if_fail (matcher != NULL);
g_return_if_fail (lookup != NULL);
iface = GTK_STYLE_PROVIDER_PRIVATE_GET_INTERFACE (provider);
if (!iface->lookup)
return;
iface->lookup (provider, matcher, lookup);
}
GtkCssChange
_gtk_style_provider_private_get_change (GtkStyleProviderPrivate *provider,
const GtkCssMatcher *matcher)
{
GtkStyleProviderPrivateInterface *iface;
g_return_val_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider), GTK_CSS_CHANGE_ANY);
g_return_val_if_fail (matcher != NULL, GTK_CSS_CHANGE_ANY);
iface = GTK_STYLE_PROVIDER_PRIVATE_GET_INTERFACE (provider);
if (!iface->get_change)
return GTK_CSS_CHANGE_ANY;
return iface->get_change (provider, matcher);
}
void
_gtk_style_provider_private_changed (GtkStyleProviderPrivate *provider)
{
g_return_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider));
g_signal_emit (provider, signals[CHANGED], 0);
}
GtkSettings *
_gtk_style_provider_private_get_settings (GtkStyleProviderPrivate *provider)
{
GtkStyleProviderPrivateInterface *iface;
g_return_val_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider), NULL);
iface = GTK_STYLE_PROVIDER_PRIVATE_GET_INTERFACE (provider);
if (!iface->get_settings)
return NULL;
return iface->get_settings (provider);
}