bug: fix default_cpu_entry arg not being used and missing from docs

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Bug Fixes
 
 - [#1541](https://github.com/ClementTsang/bottom/pull/1541): Fix some process details not updating for macOS and Windows.
+- [#1543](https://github.com/ClementTsang/bottom/pull/1543): Fix the `--default_cpu_entry` argument not being checked.
 
 ## [0.10.1] - 2024-08-01
 

docs/content/configuration/command-line-options.md

@@ -48,27 +48,28 @@ see information on these options by running `btm -h`, or run `btm --help` to dis
 
 ## CPU Options
 
-| Option               | Behaviour                                   |
-| -------------------- | ------------------------------------------- |
-| `--cpu_left_legend`  | Puts the CPU chart legend on the left side. |
-| `-a, --hide_avg_cpu` | Hides the average CPU usage entry.          |
+| Option                | Behaviour                                         |
+| --------------------- | ------------------------------------------------- |
+| `--cpu_left_legend`   | Puts the CPU chart legend on the left side.       |
+| `--default_cpu_entry` | Sets which CPU entry type is selected by default. |
+| `-a, --hide_avg_cpu`  | Hides the average CPU usage entry.                |
 
 ## Memory Options
 
 | Option                       | Behaviour                                                 |
 | ---------------------------- | --------------------------------------------------------- |
-| `--enable_cache_memory`      | Enable collecting and displaying cache and buffer memory. |
 | `--memory_legend <POSITION>` | Where to place the legend for the memory chart widget.    |
+| `--enable_cache_memory`      | Enable collecting and displaying cache and buffer memory. |
 
 ## Network Options
 
 | Option                        | Behaviour                                               |
 | ----------------------------- | ------------------------------------------------------- |
 | `--network_legend <POSITION>` | Where to place the legend for the network chart widget. |
-| `--network_use_binary_prefix` | Displays the network widget with binary prefixes.       |
 | `--network_use_bytes`         | Displays the network widget using bytes.                |
+| `--network_use_binary_prefix` | Displays the network widget with binary prefixes.       |
 | `--network_use_log`           | Displays the network widget with a log scale.           |
-| `--use_old_network_legend`    | (DEPRECATED) Uses a separated network legend.           |
+| `--use_old_network_legend`    | (DEPRECATED) Uses a separate network legend.            |
 
 ## Battery Options
 
@@ -84,9 +85,9 @@ see information on these options by running `btm -h`, or run `btm --help` to dis
 
 ## Style Options
 
-| Option                   | Behaviour                                  |
-| ------------------------ | ------------------------------------------ |
-| `--theme <COLOR SCHEME>` | Use a color scheme, use `--help` for info. |
+| Option             | Behaviour                                                        |
+| ------------------ | ---------------------------------------------------------------- |
+| `--theme <SCHEME>` | Use a built-in color theme, use '--help' for info on the colors. |
 
 ## Other Options
 

docs/content/configuration/config-file/flags.md

@@ -50,4 +50,4 @@ each time:
 | `expanded`                   | Boolean                                                                                                            | Expand the default widget upon starting the app.                        |
 | `memory_legend`              | String (one of ["none", "top-left", "top", "top-right", "left", "right", "bottom-left", "bottom", "bottom-right"]) | Where to place the legend for the memory widget.                        |
 | `network_legend`             | String (one of ["none", "top-left", "top", "top-right", "left", "right", "bottom-left", "bottom", "bottom-right"]) | Where to place the legend for the network widget.                       |
-| `average_cpu_row`            | Boolean                                                                                                            | Moves the average CPU usage entry to its own row when using basic mode. |
+| `average_cpu_row`            | Boolean                                                                                                            | Moves the average CPU usage entry to its own row when using basic mode. |

src/options.rs

@@ -197,6 +197,9 @@ pub(crate) fn init_app(
     let is_advanced_kill = !(is_flag_enabled!(disable_advanced_kill, args.process, config));
     let process_memory_as_value = is_flag_enabled!(process_memory_as_value, args.process, config);
 
+    // For CPU
+    let default_cpu_selection = get_default_cpu_selection(args, config);
+
     let mut widget_map = HashMap::new();
     let mut cpu_state_map: HashMap<u64, CpuWidgetState> = HashMap::new();
     let mut mem_state_map: HashMap<u64, MemWidgetState> = HashMap::new();
@@ -269,7 +272,7 @@ pub(crate) fn init_app(
         network_unit_type,
         network_use_binary_prefix,
         retention_ms,
-        dedicated_average_row: get_dedicated_avg_row(args, config),
+        dedicated_average_row: get_dedicated_avg_row(config),
     };
 
     let table_config = ProcTableConfig {
@@ -324,11 +327,7 @@ pub(crate) fn init_app(
                                 widget.widget_id,
                                 CpuWidgetState::new(
                                     &app_config_fields,
-                                    config
-                                        .cpu
-                                        .as_ref()
-                                        .map(|cfg| cfg.default)
-                                        .unwrap_or_default(),
+                                    default_cpu_selection,
                                     default_time_value,
                                     autohide_timer,
                                     &styling,
@@ -678,14 +677,24 @@ fn get_show_average_cpu(args: &BottomArgs, config: &Config) -> bool {
     true
 }
 
-fn get_dedicated_avg_row(_args: &BottomArgs, config: &Config) -> bool {
+// I hate this too.
+fn get_default_cpu_selection(args: &BottomArgs, config: &Config) -> config::cpu::CpuDefault {
+    match &args.cpu.default_cpu_entry {
+        Some(default) => match default {
+            args::CpuDefault::All => config::cpu::CpuDefault::All,
+            args::CpuDefault::Average => config::cpu::CpuDefault::Average,
+        },
+        None => config.cpu.as_ref().map(|c| c.default).unwrap_or_default(),
+    }
+}
+
+fn get_dedicated_avg_row(config: &Config) -> bool {
     let conf = config
         .flags
         .as_ref()
         .and_then(|flags| flags.average_cpu_row)
         .unwrap_or(false);
 
-    // args.cpu.average_cpu_row || conf
     conf
 }
 

src/options/args.rs

@@ -408,28 +408,25 @@ impl ValueEnum for CpuDefault {
 #[derive(Args, Clone, Debug, Default)]
 #[command(next_help_heading = "CPU Options", rename_all = "snake_case")]
 pub struct CpuArgs {
+    // TODO: Maybe rename this or fix this? Should this apply to all "left legends"?
+    #[arg(
+        short = 'l',
+        long,
+        action = ArgAction::SetTrue,
+        help = "Puts the CPU chart legend on the left side."
+    )]
+    pub cpu_left_legend: bool,
+
     #[arg(
         long,
         help = "Sets which CPU entry type is selected by default.",
         value_name = "ENTRY",
         value_parser = value_parser!(CpuDefault),
-        default_value = "all"
     )]
-    pub default_cpu_entry: CpuDefault,
+    pub default_cpu_entry: Option<CpuDefault>,
 
     #[arg(short = 'a', long, action = ArgAction::SetTrue, help = "Hides the average CPU usage entry.")]
     pub hide_avg_cpu: bool,
-
-    // TODO: Maybe rename this or fix this? Should this apply to all "left legends"?
-    #[arg(
-        short = 'l',
-        long,
-        action = ArgAction::SetTrue,
-        help = "Puts the CPU chart legend on the left side."
-    )]
-    pub cpu_left_legend: bool,
-    // #[arg(short = 'A', long, action = ArgAction::SetTrue, help = "Moves the average CPU usage entry to its own row when using basic mode.")]
-    // pub average_cpu_row: bool,
 }
 
 /// Memory argument/config options.