Add specific key bindings to stage / unstage items (#930)

* Add specific key bindings to stage / unstage items

Feature requested by Issue #909.

* Updating Help popup with stage / unstage keys

* Merging staging and unstaging into a single `stage_unstage_item` key

* Add/remove hunk now use the `stage_unstage_item` key

Author: alessandroasm

Diff for: CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Added
 - support rebasing branches with conflicts ([#895](https://github.com/extrawurst/gitui/issues/895))
+- add a key binding to stage / unstage items [[@alessandroasm](https://github.com/alessandroasm)] ([#909](https://github.com/extrawurst/gitui/issues/909))
 - switch to status tab after merging or rebasing with conflicts ([#926](https://github.com/extrawurst/gitui/issues/926))
 
 ## Fixed

Diff for: src/components/changes.rs

@@ -233,7 +233,7 @@ impl Component for ChangesComponent {
 
 		if self.focused() {
 			if let Event::Key(e) = ev {
-				return if e == self.key_config.enter {
+				return if e == self.key_config.stage_unstage_item {
 					try_or_popup!(
 						self,
 						"staging error:",

Diff for: src/components/diff.rs

@@ -738,7 +738,7 @@ impl Component for DiffComponent {
 				} else if e == self.key_config.page_down {
 					self.move_selection(ScrollType::PageDown);
 					Ok(EventState::Consumed)
-				} else if e == self.key_config.enter
+				} else if e == self.key_config.stage_unstage_item
 					&& !self.is_immutable
 				{
 					try_or_popup!(

Diff for: src/keys.rs

@@ -88,6 +88,7 @@ pub struct KeyConfig {
 	pub pull: KeyEvent,
 	pub abort_merge: KeyEvent,
 	pub undo_commit: KeyEvent,
+	pub stage_unstage_item: KeyEvent,
 }
 
 #[rustfmt::skip]
@@ -161,6 +162,7 @@ impl Default for KeyConfig {
 			abort_merge: KeyEvent { code: KeyCode::Char('A'), modifiers: KeyModifiers::SHIFT},
 			open_file_tree: KeyEvent { code: KeyCode::Char('F'), modifiers: KeyModifiers::SHIFT},
 			file_find: KeyEvent { code: KeyCode::Char('f'), modifiers: KeyModifiers::empty()},
+			stage_unstage_item: KeyEvent { code: KeyCode::Enter, modifiers: KeyModifiers::empty()},
 		}
 	}
 }

Diff for: src/strings.rs

@@ -526,7 +526,7 @@ pub mod commands {
 		CommandText::new(
 			format!(
 				"Add hunk [{}]",
-				key_config.get_hint(key_config.enter),
+				key_config.get_hint(key_config.stage_unstage_item),
 			),
 			"adds selected hunk to stage",
 			CMD_GROUP_DIFF,
@@ -586,7 +586,7 @@ pub mod commands {
 		CommandText::new(
 			format!(
 				"Remove hunk [{}]",
-				key_config.get_hint(key_config.enter),
+				key_config.get_hint(key_config.stage_unstage_item),
 			),
 			"removes selected hunk from stage",
 			CMD_GROUP_DIFF,
@@ -751,7 +751,7 @@ pub mod commands {
 		CommandText::new(
 			format!(
 				"Stage [{}]",
-				key_config.get_hint(key_config.enter),
+				key_config.get_hint(key_config.stage_unstage_item),
 			),
 			"stage currently selected file or entire path",
 			CMD_GROUP_CHANGES,
@@ -771,7 +771,7 @@ pub mod commands {
 		CommandText::new(
 			format!(
 				"Unstage [{}]",
-				key_config.get_hint(key_config.enter),
+				key_config.get_hint(key_config.stage_unstage_item),
 			),
 			"unstage currently selected file or entire path",
 			CMD_GROUP_CHANGES,

Diff for: vim_style_key_config.ron

@@ -100,6 +100,8 @@
     open_file_tree: ( code: Char('F'), modifiers: ( bits: 1,),),
     file_find: ( code: Char('f'), modifiers: ( bits: 0,),),
 
+    stage_unstage_item: ( code: Enter, modifiers: ( bits: 0,),),
+
     //removed in 0.11
     //tab_toggle_reverse_windows: ( code: BackTab, modifiers: ( bits: 1,),),
 )