research.m1stereo.tv/gitweb/ - melted/blob - src/modules/jackrack/ui.h

   1 /*
   2  *   JACK Rack
   3  *
   4  *   Copyright (C) Robert Ham 2002, 2003 (node@users.sourceforge.net)
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; either version 2 of the License, or
   9  *   (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program; if not, write to the Free Software
  18  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21 #ifndef __JR_UI_H__
  22 #define __JR_UI_H__
  23
  24 #include <glib.h>
  25
  26 #include "jack_rack.h"
  27 #include "plugin_mgr.h"
  28 #include "process.h"
  29 #include "lock_free_fifo.h"
  30
  31 typedef struct _ui ui_t;
  32
  33 enum _ui_state
  34 {
  35   /* nothing's happening */
  36   STATE_NORMAL,
  37
  38   /* the gui is waiting for the process callback to do something */
  39   STATE_RACK_CHANGE,
  40
  41   /* we're closing down */
  42   STATE_QUITTING
  43 };
  44 typedef enum _ui_state ui_state_t;
  45
  46
  47 struct _jack_rack;
  48
  49 struct _ui
  50 {
  51   plugin_mgr_t *    plugin_mgr;
  52   process_info_t *  procinfo;
  53   struct _jack_rack *     jack_rack;
  54
  55   lff_t *           ui_to_process;
  56   lff_t *           process_to_ui;
  57
  58   lff_t             *ui_to_midi;
  59   lff_t             *midi_to_ui;
  60
  61   char *            filename;
  62
  63   gboolean          shutdown;
  64   ui_state_t        state;
  65
  66 };
  67
  68 ui_t * ui_new     (const char * client_name, unsigned long channels,
  69         gboolean connect_inputs, gboolean connect_outputs);
  70 void   ui_quit    (ui_t * ui);
  71 void   ui_destroy (ui_t * ui);
  72
  73 void ui_set_state    (ui_t * ui, ui_state_t state);
  74 ui_state_t ui_get_state (ui_t * ui);
  75
  76 void jack_shutdown_cb (void * data);
  77 gboolean ui_loop_iterate (ui_t * ui);
  78
  79 #endif /* __JR_UI_H__ */