src/keyboard.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2017 The Music Player Daemon Project
   3  * Project homepage: http://musicpd.org
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #include "keyboard.h"
  21 #include "command.h"
  22 #include "ncmpc.h"
  23 #include "ncmpc_curses.h"
  24 #include "screen.h"
  25 #include "Compiler.h"
  26
  27 #include <glib.h>
  28
  29 #include <unistd.h>
  30
  31 gcc_pure
  32 static command_t
  33 translate_key(int key)
  34 {
  35         if (key == ERR || key == '\0')
  36                 return CMD_NONE;
  37
  38 #ifdef HAVE_GETMOUSE
  39         if (key == KEY_MOUSE)
  40                 return CMD_MOUSE_EVENT;
  41 #endif
  42
  43         return get_key_command(key);
  44 }
  45
  46 static command_t
  47 get_keyboard_command(void)
  48 {
  49         return translate_key(wgetch(screen.main_window.w));
  50 }
  51
  52 static gboolean
  53 keyboard_event(gcc_unused GIOChannel *source,
  54                gcc_unused GIOCondition condition,
  55                gcc_unused gpointer data)
  56 {
  57         begin_input_event();
  58
  59         command_t cmd = get_keyboard_command();
  60         if (cmd != CMD_NONE)
  61                 if (!do_input_event(cmd))
  62                         return FALSE;
  63
  64         end_input_event();
  65         return TRUE;
  66 }
  67
  68 void
  69 keyboard_init(void)
  70 {
  71         GIOChannel *channel = g_io_channel_unix_new(STDIN_FILENO);
  72         g_io_add_watch(channel, G_IO_IN, keyboard_event, NULL);
  73         g_io_channel_unref(channel);
  74 }
  75
  76 void
  77 keyboard_unread(int key)
  78 {
  79         command_t cmd = translate_key(key);
  80         if (cmd != CMD_NONE)
  81                 do_input_event(cmd);
  82 }