command mode. use : to type and complete an existing command

8 files changed, 47 insertions, 2 deletions

diff --git a/development.md b/development.md
index ca8220c0..c28359d3 100644
--- a/development.md
+++ b/development.md
@@ -382,6 +382,8 @@ New view: Tree ! Toggle with 't', fold with 'z'. Navigate normally.
   - [x] navigate in marks
   - [x] compress flagged files: method is chosen from a list of compression method.
   - [x] decompress any archive we can create
+  - [x] command mode with :
+        some commands does nothing :(
 
 - [ ] Version 0.1.50 : safety & memory usage
 
diff --git a/src/action_map.rs b/src/action_map.rs
index 5800f3a6..7f8b507a 100644
--- a/src/action_map.rs
+++ b/src/action_map.rs
@@ -1,4 +1,4 @@
-use strum_macros::{Display, EnumString};
+use strum_macros::{Display, EnumIter, EnumString};
 
 use crate::config::Colors;
 use crate::event_exec::EventExec;
@@ -9,7 +9,7 @@ use crate::status::Status;
 /// All those actions are mapped to a key and this enum
 /// makes the junction between received Key events and
 /// actions in the application.
-#[derive(Clone, Debug, Display, EnumString)]
+#[derive(Clone, Debug, Display, EnumString, EnumIter)]
 pub enum ActionMap {
     Back,
     BackTab,
@@ -17,6 +17,7 @@ pub enum ActionMap {
     Bulkrename,
     Chmod,
     ClearFlags,
+    Command,
     Compress,
     CopyFilename,
     CopyFilepath,
@@ -94,6 +95,7 @@ impl ActionMap {
             ActionMap::Bulkrename => EventExec::event_bulkrename(status),
             ActionMap::Chmod => EventExec::event_chmod(status),
             ActionMap::ClearFlags => EventExec::event_clear_flags(status),
+            ActionMap::Command => EventExec::event_command(current_tab),
             ActionMap::Compress => EventExec::event_compress(status),
             ActionMap::CopyFilename => EventExec::event_copy_filename(status),
             ActionMap::CopyFilepath => EventExec::event_copy_filepath(status),
diff --git a/src/completion.rs b/src/completion.rs
index 6894bb85..a4733ae5 100644
--- a/src/completion.rs
+++ b/src/completion.rs
@@ -1,5 +1,7 @@
 use std::fs::{self, ReadDir};
 
+use strum::IntoEnumIterator;
+
 use crate::fileinfo::PathContent;
 use crate::fm_error::FmResult;
 use crate::mode::Mode;
@@ -17,6 +19,8 @@ pub enum InputCompleted {
     Search,
     /// Complete an executable name from $PATH
     Exec,
+    /// Command
+    Command,
 }
 
 /// Holds a `Vec<String>` of possible completions and an `usize` index
@@ -158,6 +162,20 @@ impl Completion {
         Ok(())
     }
 
+    pub fn command(&mut self, input_string: &str) -> FmResult<()> {
+        let proposals = crate::action_map::ActionMap::iter()
+            .filter(|command| {
+                command
+                    .to_string()
+                    .to_lowercase()
+                    .contains(&input_string.to_lowercase())
+            })
+            .map(|command| command.to_string())
+            .collect();
+        self.update(proposals);
+        Ok(())
+    }
+
     fn find_completion_in_path(
         path: std::path::PathBuf,
         input_string: &str,
diff --git a/src/event_exec.rs b/src/event_exec.rs
index 7aaeece7..e29a7b28 100644
--- a/src/event_exec.rs
+++ b/src/event_exec.rs
@@ -2,11 +2,13 @@ use std::borrow::Borrow;
 use std::cmp::min;
 use std::fs;
 use std::path;
+use std::str::FromStr;
 
 use copypasta::{ClipboardContext, ClipboardProvider};
 use log::info;
 use sysinfo::SystemExt;
 
+use crate::action_map::ActionMap;
 use crate::bulkrename::Bulkrename;
 use crate::completion::InputCompleted;
 use crate::config::Colors;
@@ -1337,6 +1339,9 @@ impl EventExec {
                 EventExec::exec_search(status, colors)?
             }
             Mode::InputCompleted(InputCompleted::Goto) => EventExec::exec_goto(status.selected())?,
+            Mode::InputCompleted(InputCompleted::Command) => {
+                EventExec::exec_command(status, colors)?
+            }
             Mode::Normal => EventExec::exec_file(status)?,
             Mode::Tree => EventExec::exec_tree(status, colors)?,
             Mode::NeedConfirmation(_)
@@ -1756,6 +1761,18 @@ impl EventExec {
     pub fn event_compression_next(status: &mut Status) {
         status.compression.next()
     }
+
+    pub fn event_command(tab: &mut Tab) -> FmResult<()> {
+        tab.set_mode(Mode::InputCompleted(InputCompleted::Command));
+        tab.completion.reset();
+        Ok(())
+    }
+
+    pub fn exec_command(status: &mut Status, colors: &Colors) -> FmResult<()> {
+        let command_str = status.selected_non_mut().completion.current_proposition();
+        let Ok(command) = ActionMap::from_str(command_str) else { return Ok(()) };
+        command.matcher(status, colors)
+    }
 }
 
 fn string_to_path(path_string: &str) -> FmResult<path::PathBuf> {
diff --git a/src/help.rs b/src/help.rs
index 21f2dea6..d8430b61 100644
--- a/src/help.rs
+++ b/src/help.rs
@@ -83,6 +83,7 @@ Navigate as usual. Most actions works as in 'normal' view.
 {EncryptedDrive}:      ENCRYPTED DRIVE
     (m: open & mount,  u: unmount & close)
 {Search}:      SEARCH
+{Command}:      COMMAND
 {Filter}:      FILTER 
     (by name \"n name\", by ext \"e ext\", only directories d or all for reset)
 {Enter}:  Execute mode then NORMAL
diff --git a/src/keybindings.rs b/src/keybindings.rs
index c2cbc4a5..054f90c2 100644
--- a/src/keybindings.rs
+++ b/src/keybindings.rs
@@ -44,6 +44,7 @@ impl Bindings {
             (Key::Char('\''), ActionMap::MarksJump),
             (Key::Char('-'), ActionMap::Back),
             (Key::Char('~'), ActionMap::Home),
+            (Key::Char(':'), ActionMap::Command),
             (Key::Char('B'), ActionMap::Bulkrename),
             (Key::Char('C'), ActionMap::Compress),
             (Key::Char('D'), ActionMap::ToggleDualPane),
diff --git a/src/mode.rs b/src/mode.rs
index 10e2e84d..cb1ec30d 100644
--- a/src/mode.rs
+++ b/src/mode.rs
@@ -142,6 +142,7 @@ impl fmt::Display for Mode {
             Mode::InputCompleted(InputCompleted::Goto) => write!(f, "Goto  :  "),
             Mode::InputCompleted(InputCompleted::Search) => write!(f, "Search:  "),
             Mode::InputCompleted(InputCompleted::Nothing) => write!(f, "Nothing:  "),
+            Mode::InputCompleted(InputCompleted::Command) => write!(f, "Command:  "),
             Mode::Navigate(Navigate::Jump) => write!(f, "Jump  :  "),
             Mode::Navigate(Navigate::History) => write!(f, "History :"),
             Mode::Navigate(Navigate::Shortcut) => write!(f, "Shortcut :"),
diff --git a/src/tab.rs b/src/tab.rs
index 4f4b238e..293c5cf0 100644
--- a/src/tab.rs
+++ b/src/tab.rs
@@ -119,6 +119,9 @@ impl Tab {
                 self.completion
                     .search_from_tree(&self.input.string(), &self.directory.content)
             }
+            Mode::InputCompleted(InputCompleted::Command) => {
+                self.completion.command(&self.input.string())
+            }
             _ => Ok(()),
         }
     }