git.gag.com Git - fw/altos/blob - aoview/aoview_voice.c

   1 /*
   2  * Copyright © 2009 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 #include "aoview.h"
  19
  20 #if HAVE_FLITE
  21 #include <stdarg.h>
  22
  23 FILE    *aoview_flite;
  24
  25 void aoview_voice_open(void)
  26 {
  27         if (!aoview_flite)
  28                 aoview_flite = popen("aoview_flite", "w");
  29 }
  30
  31 void aoview_voice_close(void)
  32 {
  33         if (aoview_flite) {
  34                 pclose(aoview_flite);
  35                 aoview_flite = NULL;
  36         }
  37 }
  38
  39 void aoview_voice_speak(char *format, ...)
  40 {
  41         va_list ap;
  42
  43         if (aoview_flite) {
  44                 va_start(ap, format);
  45                 vfprintf(aoview_flite, format, ap);
  46                 fflush(aoview_flite);
  47                 va_end(ap);
  48         }
  49 }
  50
  51 #else
  52 void aoview_voice_open(void)
  53 {
  54 }
  55
  56 void aoview_voice_close(void)
  57 {
  58 }
  59
  60 void aoview_voice_speak(char *format, ...)
  61 {
  62 }
  63 #endif
  64
  65
  66 static GtkCheckMenuItem *voice_enable;
  67
  68 static void
  69 aoview_voice_enable(GtkWidget *widget, gpointer data)
  70 {
  71         if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget))) {
  72                 aoview_voice_open();
  73                 aoview_voice_speak("enable voice system\n");
  74         } else {
  75                 aoview_voice_speak("disable voice system\n");
  76                 aoview_voice_close();
  77         }
  78 }
  79
  80 void
  81 aoview_voice_init(GladeXML *xml)
  82 {
  83         aoview_voice_open();
  84
  85         voice_enable = GTK_CHECK_MENU_ITEM(glade_xml_get_widget(xml, "voice_enable"));
  86         assert(voice_enable);
  87
  88         g_signal_connect(G_OBJECT(voice_enable), "toggled",
  89                          G_CALLBACK(aoview_voice_enable),
  90                          voice_enable);
  91 }