gtkstyleproviderprivate.c 4.14 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14
/* 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
Javier Jardón's avatar
Javier Jardón committed
15
 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
16 17 18 19 20
 */

#include "config.h"

#include "gtkstyleproviderprivate.h"
21 22

#include "gtkintl.h"
23 24
#include "gtkstyleprovider.h"

25 26 27 28 29
enum {
  CHANGED,
  LAST_SIGNAL
};

30 31
G_DEFINE_INTERFACE (GtkStyleProviderPrivate, _gtk_style_provider_private, GTK_TYPE_STYLE_PROVIDER)

32
static guint signals[LAST_SIGNAL];
33

34 35 36
static void
_gtk_style_provider_private_default_init (GtkStyleProviderPrivateInterface *iface)
{
37 38 39 40 41 42 43 44
  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);

45 46
}

47
GtkCssValue *
48 49 50 51 52
_gtk_style_provider_private_get_color (GtkStyleProviderPrivate *provider,
                                       const char              *name)
{
  GtkStyleProviderPrivateInterface *iface;

53 54 55 56
  /* for compat with gtk_symbolic_color_resolve() */
  if (provider == NULL)
    return NULL;

57 58 59 60 61 62 63 64 65 66
  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);
}

67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83
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);
}

84 85
void
_gtk_style_provider_private_lookup (GtkStyleProviderPrivate *provider,
86
                                    const GtkCssMatcher     *matcher,
87 88 89 90 91
                                    GtkCssLookup            *lookup)
{
  GtkStyleProviderPrivateInterface *iface;

  g_return_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider));
92
  g_return_if_fail (matcher != NULL);
93 94 95 96 97 98 99
  g_return_if_fail (lookup != NULL);

  iface = GTK_STYLE_PROVIDER_PRIVATE_GET_INTERFACE (provider);

  if (!iface->lookup)
    return;

100
  iface->lookup (provider, matcher, lookup);
101
}
102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118

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);
}
119 120 121 122 123 124 125 126 127

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);
}

128 129 130 131 132 133 134 135 136 137 138 139 140 141 142
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);
}