feature: Add option to set a position of legend (#1430)

* Add option to set a position of legend

* some small changes

---------

Co-authored-by: ClementTsang <34804052+ClementTsang@users.noreply.github.com>

src/options/args.rs

@@ -436,6 +436,24 @@ fn mem_args(cmd: Command) -> Command {
             to showing it by percentage.",
         );
 
+    let memory_legend = Arg::new("memory_legend")
+        .long("memory_legend")
+        .action(ArgAction::Set)
+        .value_name("POSITION")
+        .ignore_case(true)
+        .help("Where to place the legend for the memory widget.")
+        .value_parser([
+            "none",
+            "top-left",
+            "top",
+            "top-right",
+            "left",
+            "right",
+            "bottom-left",
+            "bottom",
+            "bottom-right",
+        ]);
+
     #[cfg(not(target_os = "windows"))]
     {
         let enable_cache_memory = Arg::new("enable_cache_memory")
@@ -443,11 +461,11 @@ fn mem_args(cmd: Command) -> Command {
             .action(ArgAction::SetTrue)
             .help("Enable collecting and displaying cache and buffer memory.");
 
-        cmd.args(args![mem_as_value, enable_cache_memory])
+        cmd.args(args![mem_as_value, memory_legend, enable_cache_memory])
     }
     #[cfg(target_os = "windows")]
     {
-        cmd.arg(mem_as_value)
+        cmd.args(args![mem_as_value, memory_legend])
     }
 }
 
@@ -464,6 +482,24 @@ fn network_args(cmd: Command) -> Command {
             display is not tested anymore and may be broken.",
         );
 
+    let network_legend = Arg::new("network_legend")
+        .long("network_legend")
+        .action(ArgAction::Set)
+        .value_name("POSITION")
+        .ignore_case(true)
+        .help("Where to place the legend for the network widget.")
+        .value_parser([
+            "none",
+            "top-left",
+            "top",
+            "top-right",
+            "left",
+            "right",
+            "bottom-left",
+            "bottom",
+            "bottom-right",
+        ]);
+
     let network_use_bytes = Arg::new("network_use_bytes")
         .long("network_use_bytes")
         .action(ArgAction::SetTrue)
@@ -487,6 +523,7 @@ fn network_args(cmd: Command) -> Command {
 
     cmd.args(args![
         use_old_network_legend,
+        network_legend,
         network_use_bytes,
         network_use_log,
         network_use_binary_prefix,

src/options/config.rs

@@ -68,6 +68,8 @@ pub(crate) struct ConfigFlags {
     pub(crate) battery: Option<bool>,
     pub(crate) disable_click: Option<bool>,
     pub(crate) no_write: Option<bool>,
+    pub(crate) network_legend: Option<String>,
+    pub(crate) memory_legend: Option<String>,
     /// For built-in colour palettes.
     pub(crate) color: Option<String>,
     pub(crate) mem_as_value: Option<bool>,