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         int     err;
  28
  29         if (!aoview_flite)
  30                 aoview_flite = aoview_flite_start();
  31 }
  32
  33 void aoview_voice_close(void)
  34 {
  35         if (aoview_flite) {
  36                 aoview_flite_stop();
  37                 aoview_flite = NULL;
  38         }
  39 }
  40
  41 void aoview_voice_speak(char *format, ...)
  42 {
  43         va_list ap;
  44
  45         if (aoview_flite) {
  46                 va_start(ap, format);
  47                 vfprintf(aoview_flite, format, ap);
  48                 fflush(aoview_flite);
  49                 va_end(ap);
  50         }
  51 }
  52
  53 #else
  54 void aoview_voice_open(void)
  55 {
  56 }
  57
  58 void aoview_voice_close(void)
  59 {
  60 }
  61
  62 void aoview_voice_speak(char *format, ...)
  63 {
  64 }
  65 #endif
  66
  67
  68 static GtkCheckMenuItem *voice_enable;
  69
  70 #define ALTOS_VOICE_PATH        "/apps/aoview/voice"
  71
  72 static void
  73 aoview_voice_enable(GtkWidget *widget, gpointer data)
  74 {
  75         gboolean        enabled = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
  76         GError          *error;
  77         GConfClient     *gconf_client;
  78
  79         if (enabled) {
  80                 aoview_voice_open();
  81                 aoview_voice_speak("enable voice\n");
  82         } else {
  83                 aoview_voice_speak("disable voice\n");
  84                 aoview_voice_close();
  85         }
  86         gconf_client = gconf_client_get_default();
  87         gconf_client_set_bool(gconf_client,
  88                               ALTOS_VOICE_PATH,
  89                               enabled,
  90                               &error);
  91 }
  92
  93 void
  94 aoview_voice_init(GladeXML *xml)
  95 {
  96         gboolean        enabled;
  97         GConfClient     *gconf_client;
  98
  99         voice_enable = GTK_CHECK_MENU_ITEM(glade_xml_get_widget(xml, "voice_enable"));
 100         assert(voice_enable);
 101
 102         gconf_client = gconf_client_get_default();
 103         enabled = TRUE;
 104         if (gconf_client)
 105         {
 106                 GError  *error;
 107
 108                 error = NULL;
 109                 enabled = gconf_client_get_bool(gconf_client,
 110                                                 ALTOS_VOICE_PATH,
 111                                                 &error);
 112                 if (error)
 113                         enabled = TRUE;
 114         }
 115         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(voice_enable), enabled);
 116         if (enabled)
 117                 aoview_voice_open();
 118
 119         g_signal_connect(G_OBJECT(voice_enable), "toggled",
 120                          G_CALLBACK(aoview_voice_enable),
 121                          voice_enable);
 122 }