inputs from keyboard are now decoupled

client/src/input/action.rs

@@ -0,0 +1,41 @@
+// src/input/action.rs
+use crate::movement::MovementAction;
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum BufferAction {
+  Next,
+  Previous,
+  Close,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum CoreAction {
+  Save,
+  ForceQuit,
+  SaveAndQuit,
+  Revert,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum AppAction {
+  // Global/UI
+  ToggleSidebar,
+  ToggleBufferList,
+  OpenSearch,
+  FindFilePaletteToggle,
+
+  // Buffers
+  Buffer(BufferAction),
+
+  // Command mode
+  EnterCommandMode,
+  ExitCommandMode,
+  CommandExecute,
+  CommandBackspace,
+
+  // Navigation across UI
+  Navigate(MovementAction),
+
+  // Core actions
+  Core(CoreAction),
+}

client/src/input/engine.rs

@@ -0,0 +1,176 @@
+// src/input/engine.rs
+use crate::config::binds::config::Config;
+use crate::config::binds::key_sequences::KeySequenceTracker;
+use crate::input::action::{AppAction, BufferAction, CoreAction};
+use crate::movement::MovementAction;
+use crate::modes::handlers::mode_manager::AppMode;
+use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
+
+#[derive(Debug, Clone, Copy)]
+pub struct InputContext {
+  pub app_mode: AppMode,
+  pub overlay_active: bool,
+  pub allow_navigation_capture: bool,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum InputOutcome {
+  Action(AppAction),
+  Pending,      // sequence in progress
+  PassThrough,  // let page/canvas handle it
+}
+
+pub struct InputEngine {
+  seq: KeySequenceTracker,
+}
+
+impl InputEngine {
+  pub fn new(timeout_ms: u64) -> Self {
+    Self {
+      seq: KeySequenceTracker::new(timeout_ms),
+    }
+  }
+
+  pub fn reset_sequence(&mut self) {
+    self.seq.reset();
+  }
+
+  pub fn process_key(
+    &mut self,
+    key_event: KeyEvent,
+    ctx: &InputContext,
+    config: &Config,
+  ) -> InputOutcome {
+    // Command mode keys are special (exit/execute/backspace) and typed chars
+    if ctx.app_mode == AppMode::Command {
+      if config.is_exit_command_mode(key_event.code, key_event.modifiers) {
+        self.seq.reset();
+        return InputOutcome::Action(AppAction::ExitCommandMode);
+      }
+      if config.is_command_execute(key_event.code, key_event.modifiers) {
+        self.seq.reset();
+        return InputOutcome::Action(AppAction::CommandExecute);
+      }
+      if config.is_command_backspace(key_event.code, key_event.modifiers) {
+        self.seq.reset();
+        return InputOutcome::Action(AppAction::CommandBackspace);
+      }
+      // Let command-line collect characters and other keys pass through
+      self.seq.reset();
+      return InputOutcome::PassThrough;
+    }
+
+    // If overlays are active, do not intercept (palette, navigation, etc.)
+    if ctx.overlay_active {
+      self.seq.reset();
+      return InputOutcome::PassThrough;
+    }
+
+    // Space-led multi-key sequences (leader = space)
+    if ctx.allow_navigation_capture {
+      let space = KeyCode::Char(' ');
+      let seq_active = !self.seq.current_sequence.is_empty()
+        && self.seq.current_sequence[0] == space;
+
+      if seq_active {
+        self.seq.add_key(key_event.code);
+        let sequence = self.seq.get_sequence();
+
+        if let Some(action_str) = config.matches_key_sequence_generalized(&sequence) {
+          if let Some(app_action) = map_action_string(action_str, ctx) {
+            self.seq.reset();
+            return InputOutcome::Action(app_action);
+          }
+          // A non-app action sequence (canvas stuff) → pass-through
+          self.seq.reset();
+          return InputOutcome::PassThrough;
+        }
+
+        if config.is_key_sequence_prefix(&sequence) {
+          return InputOutcome::Pending;
+        }
+
+        // Not matched and not a prefix → reset and continue to single key
+        self.seq.reset();
+      } else if key_event.code == space && config.is_key_sequence_prefix(&[space]) {
+        self.seq.reset();
+        self.seq.add_key(space);
+        return InputOutcome::Pending;
+      }
+    }
+
+    // Single-key mapping: try general binds first (arrows, open_search, enter_command_mode)
+    if let Some(action_str) =
+      config.get_general_action(key_event.code, key_event.modifiers)
+    {
+      if let Some(app_action) = map_action_string(action_str, ctx) {
+        return InputOutcome::Action(app_action);
+      }
+      // Unknown to app layer (likely canvas movement etc.) → pass
+      return InputOutcome::PassThrough;
+    }
+
+    // Then app-level common/read-only/edit/highlight for UI toggles or core actions
+    if let Some(action_str) = config.get_app_action(key_event.code, key_event.modifiers) {
+      if let Some(app_action) = map_action_string(action_str, ctx) {
+        return InputOutcome::Action(app_action);
+      }
+    }
+
+    InputOutcome::PassThrough
+  }
+
+    /// Check if a key sequence is currently active
+    pub fn has_active_sequence(&self) -> bool {
+        !self.seq.current_sequence.is_empty()
+    }
+}
+
+fn str_to_movement(s: &str) -> Option<MovementAction> {
+  match s {
+    "up" => Some(MovementAction::Up),
+    "down" => Some(MovementAction::Down),
+    "left" => Some(MovementAction::Left),
+    "right" => Some(MovementAction::Right),
+    "next" => Some(MovementAction::Next),
+    "previous" => Some(MovementAction::Previous),
+    "select" => Some(MovementAction::Select),
+    "esc" => Some(MovementAction::Esc),
+    _ => None,
+  }
+}
+
+fn map_action_string(action: &str, ctx: &InputContext) -> Option<AppAction> {
+  match action {
+    // Global/UI
+    "toggle_sidebar" => Some(AppAction::ToggleSidebar),
+    "toggle_buffer_list" => Some(AppAction::ToggleBufferList),
+    "open_search" => Some(AppAction::OpenSearch),
+    "find_file_palette_toggle" => Some(AppAction::FindFilePaletteToggle),
+
+    // Buffers
+    "next_buffer" => Some(AppAction::Buffer(BufferAction::Next)),
+    "previous_buffer" => Some(AppAction::Buffer(BufferAction::Previous)),
+    "close_buffer" => Some(AppAction::Buffer(BufferAction::Close)),
+
+    // Command mode
+    "enter_command_mode" => Some(AppAction::EnterCommandMode),
+    "exit_command_mode" => Some(AppAction::ExitCommandMode),
+    "command_execute" => Some(AppAction::CommandExecute),
+    "command_backspace" => Some(AppAction::CommandBackspace),
+
+    // Navigation across UI (only if allowed)
+    s if str_to_movement(s).is_some() && ctx.allow_navigation_capture => {
+      Some(AppAction::Navigate(str_to_movement(s).unwrap()))
+    }
+
+    // Core actions
+    "save" => Some(AppAction::Core(CoreAction::Save)),
+    "force_quit" => Some(AppAction::Core(CoreAction::ForceQuit)),
+    "save_and_quit" => Some(AppAction::Core(CoreAction::SaveAndQuit)),
+    "revert" => Some(AppAction::Core(CoreAction::Revert)),
+
+    // Unknown to app layer: ignore (canvas-specific actions, etc.)
+    _ => None,
+  }
+}

client/src/input/mod.rs

@@ -0,0 +1,3 @@
+// src/input/mod.rs
+pub mod action;
+pub mod engine;