593 lines
18 KiB
C
593 lines
18 KiB
C
/*
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* Copyright © 2010 Novell, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Vincent Untz <vuntz@gnome.org>
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*/
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#include "config.h"
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#include "gsettings-mapping.h"
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static GVariant *
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g_settings_set_mapping_int (const GValue *value,
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const GVariantType *expected_type)
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{
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GVariant *variant = NULL;
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gint64 l;
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if (G_VALUE_HOLDS_INT (value))
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l = g_value_get_int (value);
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else if (G_VALUE_HOLDS_INT64 (value))
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l = g_value_get_int64 (value);
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else
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return NULL;
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if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT16))
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{
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if (G_MININT16 <= l && l <= G_MAXINT16)
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variant = g_variant_new_int16 ((gint16) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT16))
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{
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if (0 <= l && l <= G_MAXUINT16)
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variant = g_variant_new_uint16 ((guint16) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT32))
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{
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if (G_MININT32 <= l && l <= G_MAXINT32)
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variant = g_variant_new_int32 ((int) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT32))
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{
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if (0 <= l && l <= G_MAXUINT32)
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variant = g_variant_new_uint32 ((guint) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT64))
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{
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if (G_MININT64 <= l && l <= G_MAXINT64)
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variant = g_variant_new_int64 ((gint64) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT64))
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{
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if (0 <= l && l <= G_MAXUINT64)
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variant = g_variant_new_uint64 ((guint64) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_HANDLE))
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{
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if (0 <= l && l <= G_MAXUINT32)
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variant = g_variant_new_handle ((guint) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_DOUBLE))
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variant = g_variant_new_double ((double) l);
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return variant;
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}
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static GVariant *
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g_settings_set_mapping_float (const GValue *value,
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const GVariantType *expected_type)
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{
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GVariant *variant = NULL;
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double d;
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gint64 l;
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if (G_VALUE_HOLDS_DOUBLE (value))
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d = g_value_get_double (value);
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else
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return NULL;
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l = (gint64) d;
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if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT16))
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{
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if (G_MININT16 <= l && l <= G_MAXINT16)
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variant = g_variant_new_int16 ((gint16) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT16))
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{
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if (0 <= l && l <= G_MAXUINT16)
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variant = g_variant_new_uint16 ((guint16) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT32))
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{
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if (G_MININT32 <= l && l <= G_MAXINT32)
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variant = g_variant_new_int32 ((int) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT32))
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{
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if (0 <= l && l <= G_MAXUINT32)
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variant = g_variant_new_uint32 ((guint) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT64))
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{
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if (G_MININT64 <= l && l <= G_MAXINT64)
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variant = g_variant_new_int64 ((gint64) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT64))
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{
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if (0 <= l && l <= G_MAXUINT64)
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variant = g_variant_new_uint64 ((guint64) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_HANDLE))
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{
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if (0 <= l && l <= G_MAXUINT32)
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variant = g_variant_new_handle ((guint) l);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_DOUBLE))
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variant = g_variant_new_double ((double) d);
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return variant;
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}
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static GVariant *
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g_settings_set_mapping_unsigned_int (const GValue *value,
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const GVariantType *expected_type)
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{
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GVariant *variant = NULL;
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guint64 u;
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if (G_VALUE_HOLDS_UINT (value))
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u = g_value_get_uint (value);
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else if (G_VALUE_HOLDS_UINT64 (value))
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u = g_value_get_uint64 (value);
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else
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return NULL;
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if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT16))
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{
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if (u <= G_MAXINT16)
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variant = g_variant_new_int16 ((gint16) u);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT16))
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{
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if (u <= G_MAXUINT16)
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variant = g_variant_new_uint16 ((guint16) u);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT32))
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{
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if (u <= G_MAXINT32)
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variant = g_variant_new_int32 ((int) u);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT32))
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{
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if (u <= G_MAXUINT32)
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variant = g_variant_new_uint32 ((guint) u);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT64))
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{
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if (u <= G_MAXINT64)
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variant = g_variant_new_int64 ((gint64) u);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT64))
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{
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if (u <= G_MAXUINT64)
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variant = g_variant_new_uint64 ((guint64) u);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_HANDLE))
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{
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if (u <= G_MAXUINT32)
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variant = g_variant_new_handle ((guint) u);
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}
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_DOUBLE))
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variant = g_variant_new_double ((double) u);
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return variant;
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}
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static gboolean
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g_settings_get_mapping_int (GValue *value,
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GVariant *variant)
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{
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const GVariantType *type;
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gint64 l;
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type = g_variant_get_type (variant);
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if (g_variant_type_equal (type, G_VARIANT_TYPE_INT16))
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l = g_variant_get_int16 (variant);
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else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT32))
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l = g_variant_get_int32 (variant);
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else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT64))
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l = g_variant_get_int64 (variant);
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else
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return FALSE;
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if (G_VALUE_HOLDS_INT (value))
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{
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g_value_set_int (value, l);
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return (G_MININT32 <= l && l <= G_MAXINT32);
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}
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else if (G_VALUE_HOLDS_UINT (value))
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{
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g_value_set_uint (value, l);
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return (0 <= l && l <= G_MAXUINT32);
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}
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else if (G_VALUE_HOLDS_INT64 (value))
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{
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g_value_set_int64 (value, l);
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return (G_MININT64 <= l && l <= G_MAXINT64);
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}
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else if (G_VALUE_HOLDS_UINT64 (value))
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{
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g_value_set_uint64 (value, l);
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return (0 <= l && l <= G_MAXUINT64);
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}
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else if (G_VALUE_HOLDS_DOUBLE (value))
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{
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g_value_set_double (value, l);
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return TRUE;
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}
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return FALSE;
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}
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static gboolean
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g_settings_get_mapping_float (GValue *value,
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GVariant *variant)
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{
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const GVariantType *type;
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double d;
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gint64 l;
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type = g_variant_get_type (variant);
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if (g_variant_type_equal (type, G_VARIANT_TYPE_DOUBLE))
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d = g_variant_get_double (variant);
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else
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return FALSE;
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l = (gint64)d;
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if (G_VALUE_HOLDS_INT (value))
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{
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g_value_set_int (value, l);
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return (G_MININT32 <= l && l <= G_MAXINT32);
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}
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else if (G_VALUE_HOLDS_UINT (value))
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{
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g_value_set_uint (value, l);
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return (0 <= l && l <= G_MAXUINT32);
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}
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else if (G_VALUE_HOLDS_INT64 (value))
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{
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g_value_set_int64 (value, l);
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return (G_MININT64 <= l && l <= G_MAXINT64);
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}
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else if (G_VALUE_HOLDS_UINT64 (value))
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{
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g_value_set_uint64 (value, l);
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return (0 <= l && l <= G_MAXUINT64);
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}
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else if (G_VALUE_HOLDS_DOUBLE (value))
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{
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g_value_set_double (value, d);
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return TRUE;
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}
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return FALSE;
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}
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static gboolean
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g_settings_get_mapping_unsigned_int (GValue *value,
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GVariant *variant)
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{
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const GVariantType *type;
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guint64 u;
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type = g_variant_get_type (variant);
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if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT16))
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u = g_variant_get_uint16 (variant);
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else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT32))
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u = g_variant_get_uint32 (variant);
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else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT64))
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u = g_variant_get_uint64 (variant);
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else if (g_variant_type_equal (type, G_VARIANT_TYPE_HANDLE))
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u = g_variant_get_handle (variant);
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else
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return FALSE;
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if (G_VALUE_HOLDS_INT (value))
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{
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g_value_set_int (value, u);
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return (u <= G_MAXINT32);
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}
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else if (G_VALUE_HOLDS_UINT (value))
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{
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g_value_set_uint (value, u);
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return (u <= G_MAXUINT32);
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}
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else if (G_VALUE_HOLDS_INT64 (value))
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{
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g_value_set_int64 (value, u);
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return (u <= G_MAXINT64);
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}
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else if (G_VALUE_HOLDS_UINT64 (value))
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{
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g_value_set_uint64 (value, u);
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return (u <= G_MAXUINT64);
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}
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else if (G_VALUE_HOLDS_DOUBLE (value))
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{
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g_value_set_double (value, u);
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return TRUE;
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}
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return FALSE;
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}
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GVariant *
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g_settings_set_mapping (const GValue *value,
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const GVariantType *expected_type,
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gpointer user_data)
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{
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char *type_string;
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if (G_VALUE_HOLDS_BOOLEAN (value))
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{
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if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_BOOLEAN))
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return g_variant_new_boolean (g_value_get_boolean (value));
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}
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else if (G_VALUE_HOLDS_CHAR (value) ||
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G_VALUE_HOLDS_UCHAR (value))
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{
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if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_BYTE))
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{
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if (G_VALUE_HOLDS_CHAR (value))
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return g_variant_new_byte (g_value_get_schar (value));
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else
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return g_variant_new_byte (g_value_get_uchar (value));
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}
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}
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else if (G_VALUE_HOLDS_INT (value) ||
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G_VALUE_HOLDS_INT64 (value))
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return g_settings_set_mapping_int (value, expected_type);
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else if (G_VALUE_HOLDS_DOUBLE (value))
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return g_settings_set_mapping_float (value, expected_type);
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else if (G_VALUE_HOLDS_UINT (value) ||
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G_VALUE_HOLDS_UINT64 (value))
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return g_settings_set_mapping_unsigned_int (value, expected_type);
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else if (G_VALUE_HOLDS_STRING (value))
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{
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if (g_value_get_string (value) == NULL)
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return NULL;
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_STRING))
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return g_variant_new_string (g_value_get_string (value));
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_BYTESTRING))
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return g_variant_new_bytestring (g_value_get_string (value));
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_OBJECT_PATH))
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return g_variant_new_object_path (g_value_get_string (value));
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else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_SIGNATURE))
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return g_variant_new_signature (g_value_get_string (value));
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}
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else if (G_VALUE_HOLDS (value, G_TYPE_STRV))
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{
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if (g_value_get_boxed (value) == NULL)
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return NULL;
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return g_variant_new_strv ((const char **) g_value_get_boxed (value),
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-1);
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}
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else if (G_VALUE_HOLDS_ENUM (value))
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{
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GEnumValue *enumval;
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GEnumClass *eclass;
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/* GParamSpecEnum holds a ref on the class so we just peek... */
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eclass = g_type_class_peek (G_VALUE_TYPE (value));
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enumval = g_enum_get_value (eclass, g_value_get_enum (value));
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if (enumval)
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return g_variant_new_string (enumval->value_nick);
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else
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return NULL;
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}
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else if (G_VALUE_HOLDS_FLAGS (value))
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{
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GVariantBuilder builder;
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GFlagsValue *flagsval;
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GFlagsClass *fclass;
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guint flags;
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fclass = g_type_class_peek (G_VALUE_TYPE (value));
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flags = g_value_get_flags (value);
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g_variant_builder_init (&builder, G_VARIANT_TYPE ("as"));
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while (flags)
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{
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flagsval = g_flags_get_first_value (fclass, flags);
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if (flagsval == NULL)
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{
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g_variant_builder_clear (&builder);
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return NULL;
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}
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g_variant_builder_add (&builder, "s", flagsval->value_nick);
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flags &= ~flagsval->value;
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}
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return g_variant_builder_end (&builder);
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}
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type_string = g_variant_type_dup_string (expected_type);
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g_critical ("No GSettings bind handler for type \"%s\".", type_string);
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g_free (type_string);
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return NULL;
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}
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gboolean
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g_settings_get_mapping (GValue *value,
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GVariant *variant,
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gpointer user_data)
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{
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if (g_variant_is_of_type (variant, G_VARIANT_TYPE_BOOLEAN))
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{
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if (!G_VALUE_HOLDS_BOOLEAN (value))
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return FALSE;
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g_value_set_boolean (value, g_variant_get_boolean (variant));
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return TRUE;
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}
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else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_BYTE))
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{
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if (G_VALUE_HOLDS_UCHAR (value))
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g_value_set_uchar (value, g_variant_get_byte (variant));
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else if (G_VALUE_HOLDS_CHAR (value))
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g_value_set_schar (value, (gint8)g_variant_get_byte (variant));
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else
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return FALSE;
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return TRUE;
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}
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else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_INT16) ||
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g_variant_is_of_type (variant, G_VARIANT_TYPE_INT32) ||
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g_variant_is_of_type (variant, G_VARIANT_TYPE_INT64))
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return g_settings_get_mapping_int (value, variant);
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else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_DOUBLE))
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return g_settings_get_mapping_float (value, variant);
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else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_UINT16) ||
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g_variant_is_of_type (variant, G_VARIANT_TYPE_UINT32) ||
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g_variant_is_of_type (variant, G_VARIANT_TYPE_UINT64) ||
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g_variant_is_of_type (variant, G_VARIANT_TYPE_HANDLE))
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return g_settings_get_mapping_unsigned_int (value, variant);
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else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_STRING) ||
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g_variant_is_of_type (variant, G_VARIANT_TYPE_OBJECT_PATH) ||
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g_variant_is_of_type (variant, G_VARIANT_TYPE_SIGNATURE))
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{
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if (G_VALUE_HOLDS_STRING (value))
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{
|
||
g_value_set_string (value, g_variant_get_string (variant, NULL));
|
||
return TRUE;
|
||
}
|
||
|
||
else if (G_VALUE_HOLDS_ENUM (value))
|
||
{
|
||
GEnumClass *eclass;
|
||
GEnumValue *evalue;
|
||
const char *nick;
|
||
|
||
/* GParamSpecEnum holds a ref on the class so we just peek... */
|
||
eclass = g_type_class_peek (G_VALUE_TYPE (value));
|
||
nick = g_variant_get_string (variant, NULL);
|
||
evalue = g_enum_get_value_by_nick (eclass, nick);
|
||
|
||
if (evalue)
|
||
{
|
||
g_value_set_enum (value, evalue->value);
|
||
return TRUE;
|
||
}
|
||
|
||
g_warning ("Unable to look up enum nick ‘%s’ via GType", nick);
|
||
return FALSE;
|
||
}
|
||
}
|
||
else if (g_variant_is_of_type (variant, G_VARIANT_TYPE ("as")))
|
||
{
|
||
if (G_VALUE_HOLDS (value, G_TYPE_STRV))
|
||
{
|
||
g_value_take_boxed (value, g_variant_dup_strv (variant, NULL));
|
||
return TRUE;
|
||
}
|
||
|
||
else if (G_VALUE_HOLDS_FLAGS (value))
|
||
{
|
||
GFlagsClass *fclass;
|
||
GFlagsValue *fvalue;
|
||
const char *nick;
|
||
GVariantIter iter;
|
||
guint flags = 0;
|
||
|
||
fclass = g_type_class_peek (G_VALUE_TYPE (value));
|
||
|
||
g_variant_iter_init (&iter, variant);
|
||
while (g_variant_iter_next (&iter, "&s", &nick))
|
||
{
|
||
fvalue = g_flags_get_value_by_nick (fclass, nick);
|
||
|
||
if (fvalue)
|
||
flags |= fvalue->value;
|
||
|
||
else
|
||
{
|
||
g_warning ("Unable to lookup flags nick '%s' via GType",
|
||
nick);
|
||
return FALSE;
|
||
}
|
||
}
|
||
|
||
g_value_set_flags (value, flags);
|
||
return TRUE;
|
||
}
|
||
}
|
||
else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_BYTESTRING))
|
||
{
|
||
g_value_set_string (value, g_variant_get_bytestring (variant));
|
||
return TRUE;
|
||
}
|
||
|
||
g_critical ("No GSettings bind handler for type \"%s\".",
|
||
g_variant_get_type_string (variant));
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
gboolean
|
||
g_settings_mapping_is_compatible (GType gvalue_type,
|
||
const GVariantType *variant_type)
|
||
{
|
||
gboolean ok = FALSE;
|
||
|
||
if (gvalue_type == G_TYPE_BOOLEAN)
|
||
ok = g_variant_type_equal (variant_type, G_VARIANT_TYPE_BOOLEAN);
|
||
else if (gvalue_type == G_TYPE_CHAR ||
|
||
gvalue_type == G_TYPE_UCHAR)
|
||
ok = g_variant_type_equal (variant_type, G_VARIANT_TYPE_BYTE);
|
||
else if (gvalue_type == G_TYPE_INT ||
|
||
gvalue_type == G_TYPE_UINT ||
|
||
gvalue_type == G_TYPE_INT64 ||
|
||
gvalue_type == G_TYPE_UINT64 ||
|
||
gvalue_type == G_TYPE_DOUBLE)
|
||
ok = (g_variant_type_equal (variant_type, G_VARIANT_TYPE_INT16) ||
|
||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_UINT16) ||
|
||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_INT32) ||
|
||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_UINT32) ||
|
||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_INT64) ||
|
||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_UINT64) ||
|
||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_HANDLE) ||
|
||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_DOUBLE));
|
||
else if (gvalue_type == G_TYPE_STRING)
|
||
ok = (g_variant_type_equal (variant_type, G_VARIANT_TYPE_STRING) ||
|
||
g_variant_type_equal (variant_type, G_VARIANT_TYPE ("ay")) ||
|
||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_OBJECT_PATH) ||
|
||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_SIGNATURE));
|
||
else if (gvalue_type == G_TYPE_STRV)
|
||
ok = g_variant_type_equal (variant_type, G_VARIANT_TYPE ("as"));
|
||
else if (G_TYPE_IS_ENUM (gvalue_type))
|
||
ok = g_variant_type_equal (variant_type, G_VARIANT_TYPE_STRING);
|
||
else if (G_TYPE_IS_FLAGS (gvalue_type))
|
||
ok = g_variant_type_equal (variant_type, G_VARIANT_TYPE ("as"));
|
||
|
||
return ok;
|
||
}
|