src/calf/ctl_led.h

   1 /* Calf DSP Library
   2  * Light emitting diode-like control.
   3  *
   4  * Copyright (C) 2008 Krzysztof Foltman
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (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 GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General
  17  * Public License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA  02110-1301  USA
  20  */
  21
  22 #ifndef CALF_CTL_LED_H
  23 #define CALF_CTL_LED_H
  24
  25 #include <gtk/gtk.h>
  26
  27 G_BEGIN_DECLS
  28
  29 #define CALF_TYPE_LED          (calf_led_get_type())
  30 #define CALF_LED(obj)          (G_TYPE_CHECK_INSTANCE_CAST ((obj), CALF_TYPE_LED, CalfLed))
  31 #define CALF_IS_LED(obj)       (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CALF_TYPE_LED))
  32 #define CALF_LED_CLASS(klass)  (G_TYPE_CHECK_CLASS_CAST ((klass),  CALF_TYPE_LED, CalfLedClass))
  33 #define CALF_IS_LED_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((klass),  CALF_TYPE_LED))
  34
  35 /// Instance object for CalfLed
  36 struct CalfLed
  37 {
  38     GtkWidget parent;
  39     gboolean led_state;
  40 };
  41
  42 /// Class object for CalfLed
  43 struct CalfLedClass
  44 {
  45     GtkWidgetClass parent_class;
  46 };
  47
  48 /// Create new CalfLed
  49 extern GtkWidget *calf_led_new();
  50
  51 /// Get GObject type for the CalfLed
  52 extern GType calf_led_get_type();
  53
  54 /// Set LED state (true - lit, false - unlit)
  55 extern void calf_led_set_state(CalfLed *led, gboolean state);
  56
  57 /// Get LED state (true - lit, false - unlit)
  58 extern gboolean calf_led_get_state(CalfLed *led);
  59
  60 G_END_DECLS
  61
  62 #endif