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/*
Handle events in application.
Interface functions: init/deinit; start/stop
Copyright (C) 2011-2022
Free Software Foundation, Inc.
Written by:
Slava Zanko <slavazanko@gmail.com>, 2011.
This file is part of the Midnight Commander.
The Midnight Commander is free software: you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
The Midnight Commander 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "lib/global.h"
#include "lib/util.h"
#include "lib/event.h"
#include "internal.h"
/*** global variables ****************************************************************************/
/*** file scope macro definitions ****************************************************************/
/*** file scope type declarations ****************************************************************/
/*** file scope variables ************************************************************************/
GTree *mc_event_grouplist = NULL;
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */
gboolean
mc_event_init (GError ** mcerror)
{
mc_return_val_if_error (mcerror, FALSE);
if (mc_event_grouplist != NULL)
{
mc_propagate_error (mcerror, 0, "%s", _("Event system already initialized"));
return FALSE;
}
mc_event_grouplist =
g_tree_new_full ((GCompareDataFunc) g_ascii_strcasecmp,
NULL, (GDestroyNotify) g_free, (GDestroyNotify) g_tree_destroy);
if (mc_event_grouplist == NULL)
{
mc_propagate_error (mcerror, 0, "%s", _("Failed to initialize event system"));
return FALSE;
}
return TRUE;
}
/* --------------------------------------------------------------------------------------------- */
gboolean
mc_event_deinit (GError ** mcerror)
{
mc_return_val_if_error (mcerror, FALSE);
if (mc_event_grouplist == NULL)
{
mc_propagate_error (mcerror, 0, "%s", _("Event system not initialized"));
return FALSE;
}
g_tree_destroy (mc_event_grouplist);
mc_event_grouplist = NULL;
return TRUE;
}
/* --------------------------------------------------------------------------------------------- */
gboolean
mc_event_mass_add (const event_init_t * events, GError ** mcerror)
{
size_t array_index;
mc_return_val_if_error (mcerror, FALSE);
for (array_index = 0; events[array_index].event_group_name != NULL; array_index++)
{
if (!mc_event_add (events[array_index].event_group_name,
events[array_index].event_name,
events[array_index].cb, events[array_index].init_data, mcerror))
{
return FALSE;
}
}
return TRUE;
}
/* --------------------------------------------------------------------------------------------- */
gboolean
mc_event_present (const gchar * event_group_name, const gchar * event_name)
{
GTree *event_group;
GPtrArray *callbacks;
if (mc_event_grouplist == NULL || event_group_name == NULL || event_name == NULL)
return FALSE;
event_group = mc_event_get_event_group_by_name (event_group_name, FALSE, NULL);
if (event_group == NULL)
return FALSE;
callbacks = mc_event_get_event_by_name (event_group, event_name, FALSE, NULL);
if (callbacks == NULL)
return FALSE;
return TRUE;
}
/* --------------------------------------------------------------------------------------------- */
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