lib/event/raise.c

   1 /*
   2    Handle any events in application.
   3    Raise events.
   4
   5    Copyright (C) 2011-2017
   6    Free Software Foundation, Inc.
   7
   8    Written by:
   9    Slava Zanko <slavazanko@gmail.com>, 2011.
  10
  11    This file is part of the Midnight Commander.
  12
  13    The Midnight Commander is free software: you can redistribute it
  14    and/or modify it under the terms of the GNU General Public License as
  15    published by the Free Software Foundation, either version 3 of the License,
  16    or (at your option) any later version.
  17
  18    The Midnight Commander is distributed in the hope that it will be useful,
  19    but WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21    GNU General Public License for more details.
  22
  23    You should have received a copy of the GNU General Public License
  24    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  25  */
  26
  27 #include <config.h>
  28
  29 #include "lib/global.h"
  30 #include "lib/event.h"
  31
  32 #include "internal.h"
  33
  34 /*** global variables ****************************************************************************/
  35
  36 /*** file scope macro definitions ****************************************************************/
  37
  38 /*** file scope type declarations ****************************************************************/
  39
  40 /*** file scope variables ************************************************************************/
  41
  42 /*** file scope functions ************************************************************************/
  43
  44 /* --------------------------------------------------------------------------------------------- */
  45 /*** public functions ****************************************************************************/
  46 /* --------------------------------------------------------------------------------------------- */
  47
  48 gboolean
  49 mc_event_raise (const gchar * event_group_name, const gchar * event_name, gpointer event_data)
  50 {
  51     GTree *event_group;
  52     GPtrArray *callbacks;
  53     guint array_index;
  54
  55     if (mc_event_grouplist == NULL || event_group_name == NULL || event_name == NULL)
  56         return FALSE;
  57
  58     event_group = mc_event_get_event_group_by_name (event_group_name, FALSE, NULL);
  59     if (event_group == NULL)
  60         return FALSE;
  61
  62     callbacks = mc_event_get_event_by_name (event_group, event_name, FALSE, NULL);
  63     if (callbacks == NULL)
  64         return FALSE;
  65
  66     for (array_index = callbacks->len; array_index > 0; array_index--)
  67     {
  68         mc_event_callback_t *cb = g_ptr_array_index (callbacks, array_index - 1);
  69         if (!(*cb->callback) (event_group_name, event_name, cb->init_data, event_data))
  70             break;
  71     }
  72     return TRUE;
  73 }
  74
  75 /* --------------------------------------------------------------------------------------------- */