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5942cd7984
Add SPDX license (but not copyright) headers to all files which follow a certain pattern in their existing non-machine-readable header comment. This commit was entirely generated using the command: ``` git ls-files gio/*.[ch] | xargs perl -0777 -pi -e 's/\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/\n \*\n \* SPDX-License-Identifier: LGPL-2.1-or-later\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/igs' ``` Signed-off-by: Philip Withnall <pwithnall@endlessos.org> Helps: #1415
403 lines
12 KiB
C
403 lines
12 KiB
C
/*
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* Copyright © 2010 Codethink Limited
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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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
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Ryan Lortie <desrt@desrt.ca>
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*/
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#include "config.h"
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#include "gsimpleactiongroup.h"
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#include "gsimpleaction.h"
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#include "gactionmap.h"
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#include "gaction.h"
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/**
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* SECTION:gsimpleactiongroup
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* @title: GSimpleActionGroup
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* @short_description: A simple GActionGroup implementation
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* @include: gio/gio.h
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*
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* #GSimpleActionGroup is a hash table filled with #GAction objects,
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* implementing the #GActionGroup and #GActionMap interfaces.
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**/
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struct _GSimpleActionGroupPrivate
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{
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GHashTable *table; /* string -> GAction */
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};
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static void g_simple_action_group_iface_init (GActionGroupInterface *);
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static void g_simple_action_group_map_iface_init (GActionMapInterface *);
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G_DEFINE_TYPE_WITH_CODE (GSimpleActionGroup,
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g_simple_action_group, G_TYPE_OBJECT,
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G_ADD_PRIVATE (GSimpleActionGroup)
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G_IMPLEMENT_INTERFACE (G_TYPE_ACTION_GROUP,
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g_simple_action_group_iface_init);
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G_IMPLEMENT_INTERFACE (G_TYPE_ACTION_MAP,
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g_simple_action_group_map_iface_init))
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static gchar **
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g_simple_action_group_list_actions (GActionGroup *group)
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{
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GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (group);
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GHashTableIter iter;
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gint n, i = 0;
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gchar **keys;
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gpointer key;
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n = g_hash_table_size (simple->priv->table);
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keys = g_new (gchar *, n + 1);
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g_hash_table_iter_init (&iter, simple->priv->table);
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while (g_hash_table_iter_next (&iter, &key, NULL))
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keys[i++] = g_strdup (key);
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g_assert_cmpint (i, ==, n);
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keys[n] = NULL;
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return keys;
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}
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static gboolean
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g_simple_action_group_query_action (GActionGroup *group,
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const gchar *action_name,
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gboolean *enabled,
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const GVariantType **parameter_type,
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const GVariantType **state_type,
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GVariant **state_hint,
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GVariant **state)
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{
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GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (group);
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GAction *action;
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action = g_hash_table_lookup (simple->priv->table, action_name);
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if (action == NULL)
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return FALSE;
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if (enabled)
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*enabled = g_action_get_enabled (action);
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if (parameter_type)
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*parameter_type = g_action_get_parameter_type (action);
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if (state_type)
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*state_type = g_action_get_state_type (action);
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if (state_hint)
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*state_hint = g_action_get_state_hint (action);
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if (state)
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*state = g_action_get_state (action);
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return TRUE;
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}
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static void
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g_simple_action_group_change_state (GActionGroup *group,
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const gchar *action_name,
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GVariant *value)
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{
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GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (group);
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GAction *action;
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action = g_hash_table_lookup (simple->priv->table, action_name);
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if (action == NULL)
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return;
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g_action_change_state (action, value);
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}
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static void
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g_simple_action_group_activate (GActionGroup *group,
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const gchar *action_name,
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GVariant *parameter)
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{
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GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (group);
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GAction *action;
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action = g_hash_table_lookup (simple->priv->table, action_name);
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if (action == NULL)
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return;
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g_action_activate (action, parameter);
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}
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static void
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action_enabled_notify (GAction *action,
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GParamSpec *pspec,
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gpointer user_data)
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{
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g_action_group_action_enabled_changed (user_data,
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g_action_get_name (action),
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g_action_get_enabled (action));
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}
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static void
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action_state_notify (GAction *action,
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GParamSpec *pspec,
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gpointer user_data)
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{
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GVariant *value;
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value = g_action_get_state (action);
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g_action_group_action_state_changed (user_data,
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g_action_get_name (action),
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value);
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g_variant_unref (value);
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}
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static void
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g_simple_action_group_disconnect (gpointer key,
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gpointer value,
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gpointer user_data)
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{
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g_signal_handlers_disconnect_by_func (value, action_enabled_notify,
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user_data);
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g_signal_handlers_disconnect_by_func (value, action_state_notify,
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user_data);
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}
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static GAction *
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g_simple_action_group_lookup_action (GActionMap *action_map,
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const gchar *action_name)
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{
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GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (action_map);
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return g_hash_table_lookup (simple->priv->table, action_name);
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}
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static void
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g_simple_action_group_add_action (GActionMap *action_map,
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GAction *action)
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{
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GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (action_map);
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const gchar *action_name;
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GAction *old_action;
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action_name = g_action_get_name (action);
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if (action_name == NULL)
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{
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g_critical ("The supplied action has no name. You must set the "
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"GAction:name property when creating an action.");
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return;
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}
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old_action = g_hash_table_lookup (simple->priv->table, action_name);
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if (old_action != action)
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{
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if (old_action != NULL)
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{
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g_action_group_action_removed (G_ACTION_GROUP (simple),
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action_name);
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g_simple_action_group_disconnect (NULL, old_action, simple);
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}
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g_signal_connect (action, "notify::enabled",
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G_CALLBACK (action_enabled_notify), simple);
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if (g_action_get_state_type (action) != NULL)
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g_signal_connect (action, "notify::state",
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G_CALLBACK (action_state_notify), simple);
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g_hash_table_insert (simple->priv->table,
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g_strdup (action_name),
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g_object_ref (action));
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g_action_group_action_added (G_ACTION_GROUP (simple), action_name);
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}
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}
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static void
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g_simple_action_group_remove_action (GActionMap *action_map,
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const gchar *action_name)
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{
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GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (action_map);
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GAction *action;
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action = g_hash_table_lookup (simple->priv->table, action_name);
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if (action != NULL)
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{
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g_action_group_action_removed (G_ACTION_GROUP (simple), action_name);
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g_simple_action_group_disconnect (NULL, action, simple);
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g_hash_table_remove (simple->priv->table, action_name);
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}
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}
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static void
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g_simple_action_group_finalize (GObject *object)
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{
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GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (object);
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g_hash_table_foreach (simple->priv->table,
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g_simple_action_group_disconnect,
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simple);
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g_hash_table_unref (simple->priv->table);
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G_OBJECT_CLASS (g_simple_action_group_parent_class)
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->finalize (object);
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}
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static void
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g_simple_action_group_init (GSimpleActionGroup *simple)
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{
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simple->priv = g_simple_action_group_get_instance_private (simple);
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simple->priv->table = g_hash_table_new_full (g_str_hash, g_str_equal,
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g_free, g_object_unref);
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}
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static void
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g_simple_action_group_class_init (GSimpleActionGroupClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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object_class->finalize = g_simple_action_group_finalize;
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}
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static void
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g_simple_action_group_iface_init (GActionGroupInterface *iface)
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{
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iface->list_actions = g_simple_action_group_list_actions;
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iface->query_action = g_simple_action_group_query_action;
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iface->change_action_state = g_simple_action_group_change_state;
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iface->activate_action = g_simple_action_group_activate;
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}
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static void
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g_simple_action_group_map_iface_init (GActionMapInterface *iface)
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{
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iface->add_action = g_simple_action_group_add_action;
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iface->remove_action = g_simple_action_group_remove_action;
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iface->lookup_action = g_simple_action_group_lookup_action;
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}
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/**
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* g_simple_action_group_new:
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*
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* Creates a new, empty, #GSimpleActionGroup.
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*
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* Returns: a new #GSimpleActionGroup
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*
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* Since: 2.28
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**/
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GSimpleActionGroup *
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g_simple_action_group_new (void)
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{
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return g_object_new (G_TYPE_SIMPLE_ACTION_GROUP, NULL);
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}
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/**
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* g_simple_action_group_lookup:
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* @simple: a #GSimpleActionGroup
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* @action_name: the name of an action
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*
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* Looks up the action with the name @action_name in the group.
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*
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* If no such action exists, returns %NULL.
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*
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* Returns: (transfer none): a #GAction, or %NULL
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*
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* Since: 2.28
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*
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* Deprecated: 2.38: Use g_action_map_lookup_action()
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*/
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GAction *
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g_simple_action_group_lookup (GSimpleActionGroup *simple,
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const gchar *action_name)
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{
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g_return_val_if_fail (G_IS_SIMPLE_ACTION_GROUP (simple), NULL);
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return g_action_map_lookup_action (G_ACTION_MAP (simple), action_name);
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}
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/**
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* g_simple_action_group_insert:
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* @simple: a #GSimpleActionGroup
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* @action: a #GAction
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*
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* Adds an action to the action group.
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*
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* If the action group already contains an action with the same name as
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* @action then the old action is dropped from the group.
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*
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* The action group takes its own reference on @action.
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*
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* Since: 2.28
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*
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* Deprecated: 2.38: Use g_action_map_add_action()
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**/
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void
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g_simple_action_group_insert (GSimpleActionGroup *simple,
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GAction *action)
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{
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g_return_if_fail (G_IS_SIMPLE_ACTION_GROUP (simple));
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g_action_map_add_action (G_ACTION_MAP (simple), action);
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}
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/**
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* g_simple_action_group_remove:
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* @simple: a #GSimpleActionGroup
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* @action_name: the name of the action
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*
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* Removes the named action from the action group.
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*
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* If no action of this name is in the group then nothing happens.
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*
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* Since: 2.28
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*
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* Deprecated: 2.38: Use g_action_map_remove_action()
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**/
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void
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g_simple_action_group_remove (GSimpleActionGroup *simple,
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const gchar *action_name)
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{
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g_return_if_fail (G_IS_SIMPLE_ACTION_GROUP (simple));
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g_action_map_remove_action (G_ACTION_MAP (simple), action_name);
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}
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/**
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* g_simple_action_group_add_entries:
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* @simple: a #GSimpleActionGroup
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* @entries: (array length=n_entries): a pointer to the first item in
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* an array of #GActionEntry structs
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* @n_entries: the length of @entries, or -1
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* @user_data: the user data for signal connections
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*
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* A convenience function for creating multiple #GSimpleAction instances
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* and adding them to the action group.
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*
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* Since: 2.30
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*
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* Deprecated: 2.38: Use g_action_map_add_action_entries()
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**/
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void
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g_simple_action_group_add_entries (GSimpleActionGroup *simple,
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const GActionEntry *entries,
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gint n_entries,
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gpointer user_data)
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{
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g_action_map_add_action_entries (G_ACTION_MAP (simple), entries, n_entries, user_data);
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}
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