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 = aoview_flite_start();
  29 }
  30
  31 void aoview_voice_close(void)
  32 {
  33         if (aoview_flite) {
  34                 aoview_flite_stop();
  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 #define ALTOS_VOICE_PATH        "/apps/aoview/voice"
  69
  70 static void
  71 aoview_voice_enable(GtkWidget *widget, gpointer data)
  72 {
  73         gboolean        enabled = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
  74         GError          *error;
  75         GConfClient     *gconf_client;
  76
  77         if (enabled) {
  78                 aoview_voice_open();
  79                 aoview_voice_speak("enable voice\n");
  80         } else {
  81                 aoview_voice_speak("disable voice\n");
  82                 aoview_voice_close();
  83         }
  84         gconf_client = gconf_client_get_default();
  85         gconf_client_set_bool(gconf_client,
  86                               ALTOS_VOICE_PATH,
  87                               enabled,
  88                               &error);
  89 }
  90
  91 void
  92 aoview_voice_init(GladeXML *xml)
  93 {
  94         gboolean        enabled;
  95         GConfClient     *gconf_client;
  96
  97         voice_enable = GTK_CHECK_MENU_ITEM(glade_xml_get_widget(xml, "voice_enable"));
  98         assert(voice_enable);
  99
 100         gconf_client = gconf_client_get_default();
 101         enabled = TRUE;
 102         if (gconf_client)
 103         {
 104                 GError  *error;
 105
 106                 error = NULL;
 107                 enabled = gconf_client_get_bool(gconf_client,
 108                                                 ALTOS_VOICE_PATH,
 109                                                 &error);
 110                 if (error)
 111                         enabled = TRUE;
 112         }
 113         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(voice_enable), enabled);
 114         if (enabled)
 115                 aoview_voice_open();
 116
 117         g_signal_connect(G_OBJECT(voice_enable), "toggled",
 118                          G_CALLBACK(aoview_voice_enable),
 119                          voice_enable);
 120 }