docs: update documentation around how grouping processes and tree mode are incompatible (#1679)

* update default config

* use info, not note

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

@@ -30,7 +30,7 @@ see information on these options by running `btm -h`, or run `btm --help` to dis
 | `-S, --case_sensitive`      | Enables case sensitivity by default.                                                   |
 | `-u, --current_usage`       | Calculates process CPU usage as a percentage of current usage rather than total usage. |
 | `--disable_advanced_kill`   | Hides additional stopping options Unix-like systems.                                   |
-| `-g, --group_processes`     | Groups processes with the same name by default.                                        |
+| `-g, --group_processes`     | Groups processes with the same name by default. No effect if `--tree` is set.          |
 | `--process_memory_as_value` | Defaults to showing process memory usage by value.                                     |
 | `--process_command`         | Shows the full command name instead of the process name by default.                    |
 | `-R, --regex`               | Enables regex by default while searching.                                              |

docs/content/usage/widgets/process.md

@@ -64,8 +64,15 @@ is added together when displayed.
     <img src="../../../assets/screenshots/process/process_grouped.webp" alt="A picture of grouped mode in a process widget."/>
 </figure>
 
+!!! info
+
     Note that the process state and user columns are disabled in this mode.
 
+!!! info
+
+    Note that if tree mode is also active, processes cannot be grouped together due to the behaviour of the two modes
+    somewhat clashing. This also reflects with default modes like `group_processes`.
+
 ### Process termination
 
 Pressing ++d+d++ or ++f9++ will allow you to terminate the currently selected process/process group. On Unix-like
@@ -94,7 +101,10 @@ Pressing ++t++ or ++f5++ in the table toggles tree mode in the process widget, d
 
 A process in tree mode can also be "collapsed", hiding its children and any descendants, using either the ++minus++ or ++plus++ keys, or double-clicking on an entry.
 
-Lastly, note that in tree mode, processes cannot be grouped together due to the behaviour of the two modes somewhat clashing.
+!!! info
+
+    Note that if tree mode is active, processes cannot be grouped together due to the behaviour of the two modes
+    somewhat clashing. This also reflects with default modes like `group_processes`.
 
 ### Full command
 

sample_configs/default_config.toml

@@ -24,7 +24,8 @@
 # Whether to set CPU% on a process to be based on the total CPU or per-core CPU% (not divided by the number of cpus).
 #unnormalized_cpu = false
 
-# Whether to group processes with the same name together by default.
+# Whether to group processes with the same name together by default. Doesn't do anything
+# if tree is set to true or --tree is set.
 #group_processes = false
 
 # Whether to make process searching case sensitive by default.

src/constants.rs

@@ -283,7 +283,8 @@ pub(crate) const CONFIG_TEXT: &str = r#"# This is a default config file for bott
 # Whether to set CPU% on a process to be based on the total CPU or per-core CPU% (not divided by the number of cpus).
 #unnormalized_cpu = false
 
-# Whether to group processes with the same name together by default.
+# Whether to group processes with the same name together by default. Doesn't do anything
+# if tree is set to true or --tree is set.
 #group_processes = false
 
 # Whether to make process searching case sensitive by default.

src/options/args.rs

@@ -301,7 +301,9 @@ pub struct ProcessArgs {
         short = 'g',
         long,
         action = ArgAction::SetTrue,
-        help = "Groups processes with the same name by default."
+        help = "Groups processes with the same name by default.",
+        long_help = "Groups processes with the same name by default. Doesn't do anything if --tree is also set, or \
+                    tree=true in the config."
     )]
     pub group_processes: bool,