Remove broken widgets and allow NIC to be set with flag.

src/main.rs

@@ -3,23 +3,28 @@ use i3monkit::*;
 
 use num_cpus;
 
+use structopt::StructOpt;
+
+#[derive(Debug, StructOpt)]
+#[structopt(name="i3xs", about="Custom i3 status bar program.")]
+struct Opt {
+    #[structopt(short, long)]
+    nic: String,
+}
+
 fn main() {
     let mut bar = WidgetCollection::new();
 
-    //Realtime upload/download rate for a interface
-    bar.push(NetworkSpeedWidget::new("eth0"));
+    let opts=Opt::from_args();
+
+    // Realtime upload/download rate for a interface
+    bar.push(NetworkSpeedWidget::new(&opts.nic));
 
     //Display all the cpu usage for each core
     for i in 0..num_cpus::get() as u32 {
         bar.push(CpuWidget::new(i));
     }
 
-    //Volume widget
-    bar.push(VolumeWidget::new("default", "Master", 0));
-
-    //Battery status
-    bar.push(BatteryWidget::new(0));
-
     //Time
     bar.push(DateTimeWidget::new());