Move usb scanning code to ao-tools library
[fw/altos] / ao-tools / ao-view / aoview_voice.c
diff --git a/ao-tools/ao-view/aoview_voice.c b/ao-tools/ao-view/aoview_voice.c
new file mode 100644 (file)
index 0000000..24422df
--- /dev/null
@@ -0,0 +1,122 @@
+/*
+ * Copyright © 2009 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include "aoview.h"
+
+#if HAVE_FLITE
+#include <stdarg.h>
+
+FILE   *aoview_flite;
+
+void aoview_voice_open(void)
+{
+       int     err;
+
+       if (!aoview_flite)
+               aoview_flite = aoview_flite_start();
+}
+
+void aoview_voice_close(void)
+{
+       if (aoview_flite) {
+               aoview_flite_stop();
+               aoview_flite = NULL;
+       }
+}
+
+void aoview_voice_speak(char *format, ...)
+{
+       va_list ap;
+
+       if (aoview_flite) {
+               va_start(ap, format);
+               vfprintf(aoview_flite, format, ap);
+               fflush(aoview_flite);
+               va_end(ap);
+       }
+}
+
+#else
+void aoview_voice_open(void)
+{
+}
+
+void aoview_voice_close(void)
+{
+}
+
+void aoview_voice_speak(char *format, ...)
+{
+}
+#endif
+
+
+static GtkCheckMenuItem        *voice_enable;
+
+#define ALTOS_VOICE_PATH       "/apps/aoview/voice"
+
+static void
+aoview_voice_enable(GtkWidget *widget, gpointer data)
+{
+       gboolean        enabled = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
+       GError          *error;
+       GConfClient     *gconf_client;
+
+       if (enabled) {
+               aoview_voice_open();
+               aoview_voice_speak("enable voice\n");
+       } else {
+               aoview_voice_speak("disable voice\n");
+               aoview_voice_close();
+       }
+       gconf_client = gconf_client_get_default();
+       gconf_client_set_bool(gconf_client,
+                             ALTOS_VOICE_PATH,
+                             enabled,
+                             &error);
+}
+
+void
+aoview_voice_init(GladeXML *xml)
+{
+       gboolean        enabled;
+       GConfClient     *gconf_client;
+
+       voice_enable = GTK_CHECK_MENU_ITEM(glade_xml_get_widget(xml, "voice_enable"));
+       assert(voice_enable);
+
+       gconf_client = gconf_client_get_default();
+       enabled = TRUE;
+       if (gconf_client)
+       {
+               GError  *error;
+
+               error = NULL;
+               enabled = gconf_client_get_bool(gconf_client,
+                                               ALTOS_VOICE_PATH,
+                                               &error);
+               if (error)
+                       enabled = TRUE;
+       }
+       gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(voice_enable), enabled);
+       if (enabled)
+               aoview_voice_open();
+
+       g_signal_connect(G_OBJECT(voice_enable), "toggled",
+                        G_CALLBACK(aoview_voice_enable),
+                        voice_enable);
+}