Add channel menu to ao-view.

[fw/altos] / ao-tools / ao-view / aoview_channel.c

diff --git a/ao-tools/ao-view/aoview_channel.c b/ao-tools/ao-view/aoview_channel.c
new file mode 100644 (file)
index 0000000..959173c
--- /dev/null
+++ b/ao-tools/ao-view/aoview_channel.c
@@ -0,0 +1,90 @@
+/*
+ * 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"
+
+
+#define NUM_CHANNEL    10
+
+static GtkRadioMenuItem *channel_item[NUM_CHANNEL];
+
+int
+aoview_channel_current(void)
+{
+       int     c;
+
+       for (c = 0; c < NUM_CHANNEL; c++)
+               if(gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(channel_item[c])))
+                       return c;
+       return -1;
+}
+
+static void
+aoview_channel_notify(int channel)
+{
+       if (0 <= channel && channel < NUM_CHANNEL)
+               gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(channel_item[channel]), TRUE);
+}
+
+#define ALTOS_CHANNEL_PATH     "/apps/aoview/channel"
+
+static void
+aoview_channel_change(GtkWidget *widget, gpointer data)
+{
+       gboolean        enabled = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
+       int             c = (int) data;
+       GConfClient     *gconf_client;
+       GError          *error;
+
+       if (enabled) {
+               aoview_monitor_set_channel(c);
+               gconf_client = gconf_client_get_default();
+               gconf_client_set_int(gconf_client, ALTOS_CHANNEL_PATH, c, &error);
+       }
+}
+
+void
+aoview_channel_init(GladeXML *xml)
+{
+       int     c;
+       GConfClient     *gconf_client;
+
+       for (c = 0; c < NUM_CHANNEL; c++) {
+               char    name[32];
+
+               sprintf(name, "channel_%d", c);
+               channel_item[c] = GTK_RADIO_MENU_ITEM(glade_xml_get_widget(xml, name));
+               assert(channel_item[c]);
+               g_signal_connect(G_OBJECT(channel_item[c]), "toggled",
+                                G_CALLBACK(aoview_channel_change),
+                                (gpointer) c);
+       }
+       gconf_client = gconf_client_get_default();
+       c = 0;
+       if (gconf_client)
+       {
+               GError  *error;
+
+               error = NULL;
+               c = gconf_client_get_int(gconf_client,
+                                        ALTOS_CHANNEL_PATH,
+                                        &error);
+               if (error)
+                       c = 0;
+       }
+       aoview_channel_notify(c);
+}