persist current tab as options

CHANGELOG.md

@@ -13,15 +13,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 * submodules support ([#1087](https://github.com/extrawurst/gitui/issues/1087))
+* remember tab between app starts ([#1338](https://github.com/extrawurst/gitui/issues/1338))
 * customizable `cmdbar_bg` theme color & screen spanning selected line bg [[@gigitsu](https://github.com/gigitsu)] ([#1299](https://github.com/extrawurst/gitui/pull/1299))
-* use filewatcher instead of polling updates ([#1](https://github.com/extrawurst/gitui/issues/1))
 * word motions to text input [[@Rodrigodd](https://github.com/Rodrigodd)] ([#1256](https://github.com/extrawurst/gitui/issues/1256))
 * file blame at right revision from commit-details [[@heiskane](https://github.com/heiskane)] ([#1122](https://github.com/extrawurst/gitui/issues/1122))
 * add `regex-fancy` and `regex-onig` features to allow building Syntect with Onigumara regex engine instead of the default engine based on fancy-regex [[@jirutka](https://github.com/jirutka)]
 * add `vendor-openssl` feature to allow building without vendored openssl [[@jirutka](https://github.com/jirutka)]
 
 ### Fixes
 * remove insecure dependency `ansi_term` ([#1290](https://github.com/extrawurst/gitui/issues/1290))
+* use filewatcher instead of polling updates ([#1](https://github.com/extrawurst/gitui/issues/1))
 
 ## [0.21.0] - 2021-08-17
 

src/app.rs

@@ -10,12 +10,13 @@ use crate::{
 		FileRevlogComponent, HelpComponent, InspectCommitComponent,
 		MsgComponent, OptionsPopupComponent, PullComponent,
 		PushComponent, PushTagsComponent, RenameBranchComponent,
-		RevisionFilesPopup, SharedOptions, StashMsgComponent,
+		RevisionFilesPopup, StashMsgComponent,
 		SubmodulesListComponent, TagCommitComponent,
 		TagListComponent,
 	},
 	input::{Input, InputEvent, InputState},
 	keys::{key_match, KeyConfig, SharedKeyConfig},
+	options::{Options, SharedOptions},
 	popup_stack::PopupStack,
 	queue::{
 		Action, InternalEvent, NeedsUpdate, Queue, StackablePopupOpen,
@@ -92,6 +93,7 @@ pub struct App {
 	key_config: SharedKeyConfig,
 	input: Input,
 	popup_stack: PopupStack,
+	options: SharedOptions,
 
 	// "Flags"
 	requires_redraw: Cell<bool>,
@@ -109,15 +111,17 @@ impl App {
 		input: Input,
 		theme: Theme,
 		key_config: KeyConfig,
-	) -> Self {
+	) -> Result<Self> {
 		log::trace!("open repo at: {:?}", &repo);
 
 		let queue = Queue::new();
 		let theme = Rc::new(theme);
 		let key_config = Rc::new(key_config);
-		let options = SharedOptions::default();
+		let options = Options::new(repo.clone());
 
-		Self {
+		let tab = options.borrow().current_tab();
+
+		let mut app = Self {
 			input,
 			reset: ConfirmComponent::new(
 				queue.clone(),
@@ -263,7 +267,6 @@ impl App {
 				key_config.clone(),
 			),
 			msg: MsgComponent::new(theme.clone(), key_config.clone()),
-			tab: 0,
 			revlog: Revlog::new(
 				&repo,
 				&queue,
@@ -277,7 +280,7 @@ impl App {
 				sender,
 				theme.clone(),
 				key_config.clone(),
-				options,
+				options.clone(),
 			),
 			stashing_tab: Stashing::new(
 				&repo,
@@ -299,14 +302,20 @@ impl App {
 				theme.clone(),
 				key_config.clone(),
 			),
+			tab: 0,
 			queue,
 			theme,
+			options,
 			key_config,
 			requires_redraw: Cell::new(false),
 			file_to_open: None,
 			repo,
 			popup_stack: PopupStack::default(),
-		}
+		};
+
+		app.set_tab(tab)?;
+
+		Ok(app)
 	}
 
 	///
@@ -678,6 +687,7 @@ impl App {
 		}
 
 		self.tab = tab;
+		self.options.borrow_mut().set_current_tab(tab);
 
 		Ok(())
 	}

src/components/changes.rs

@@ -1,11 +1,12 @@
 use super::{
 	status_tree::StatusTreeComponent,
 	utils::filetree::{FileTreeItem, FileTreeItemKind},
-	CommandBlocking, DrawableComponent, SharedOptions,
+	CommandBlocking, DrawableComponent,
 };
 use crate::{
 	components::{CommandInfo, Component, EventState},
 	keys::{key_match, SharedKeyConfig},
+	options::SharedOptions,
 	queue::{Action, InternalEvent, NeedsUpdate, Queue, ResetItem},
 	strings, try_or_popup,
 	ui::style::SharedTheme,

src/components/file_revlog.rs

@@ -1,6 +1,7 @@
-use super::{utils::logitems::ItemBatch, SharedOptions};
+use super::utils::logitems::ItemBatch;
 use super::{visibility_blocking, BlameFileOpen, InspectCommitOpen};
 use crate::keys::key_match;
+use crate::options::SharedOptions;
 use crate::queue::StackablePopupOpen;
 use crate::{
 	components::{
@@ -191,7 +192,7 @@ impl FileRevlogComponent {
 					let diff_params = DiffParams {
 						path: open_request.file_path.clone(),
 						diff_type: DiffType::Commit(commit_id),
-						options: self.options.borrow().diff,
+						options: self.options.borrow().diff_options(),
 					};
 
 					if let Some((params, last)) =

src/components/mod.rs

@@ -51,9 +51,7 @@ pub use file_revlog::{FileRevOpen, FileRevlogComponent};
 pub use help::HelpComponent;
 pub use inspect_commit::{InspectCommitComponent, InspectCommitOpen};
 pub use msg::MsgComponent;
-pub use options_popup::{
-	AppOption, OptionsPopupComponent, SharedOptions,
-};
+pub use options_popup::{AppOption, OptionsPopupComponent};
 pub use pull::PullComponent;
 pub use push::PushComponent;
 pub use push_tags::PushTagsComponent;

src/components/options_popup.rs

@@ -1,18 +1,17 @@
-use std::{cell::RefCell, rc::Rc};
-
 use super::{
 	visibility_blocking, CommandBlocking, CommandInfo, Component,
 	DrawableComponent, EventState,
 };
 use crate::{
 	components::utils::string_width_align,
 	keys::{key_match, SharedKeyConfig},
+	options::SharedOptions,
 	queue::{InternalEvent, Queue},
 	strings::{self},
 	ui::{self, style::SharedTheme},
 };
 use anyhow::Result;
-use asyncgit::sync::{diff::DiffOptions, ShowUntrackedFilesConfig};
+use asyncgit::sync::ShowUntrackedFilesConfig;
 use crossterm::event::Event;
 use tui::{
 	backend::Backend,
@@ -31,14 +30,6 @@ pub enum AppOption {
 	DiffInterhunkLines,
 }
 
-#[derive(Default, Copy, Clone)]
-pub struct Options {
-	pub status_show_untracked: Option<ShowUntrackedFilesConfig>,
-	pub diff: DiffOptions,
-}
-
-pub type SharedOptions = Rc<RefCell<Options>>;
-
 pub struct OptionsPopupComponent {
 	selection: AppOption,
 	queue: Queue,
@@ -91,26 +82,27 @@ impl OptionsPopupComponent {
 		);
 		Self::add_header(txt, "");
 
+		let diff = self.options.borrow().diff_options();
 		Self::add_header(txt, "Diff");
 		self.add_entry(
 			txt,
 			width,
 			"Ignore whitespaces",
-			&self.options.borrow().diff.ignore_whitespace.to_string(),
+			&diff.ignore_whitespace.to_string(),
 			self.is_select(AppOption::DiffIgnoreWhitespaces),
 		);
 		self.add_entry(
 			txt,
 			width,
 			"Context lines",
-			&self.options.borrow().diff.context.to_string(),
+			&diff.context.to_string(),
 			self.is_select(AppOption::DiffContextLines),
 		);
 		self.add_entry(
 			txt,
 			width,
 			"Inter hunk lines",
-			&self.options.borrow().diff.interhunk_lines.to_string(),
+			&diff.interhunk_lines.to_string(),
 			self.is_select(AppOption::DiffInterhunkLines),
 		);
 	}

src/main.rs

@@ -27,6 +27,7 @@ mod components;
 mod input;
 mod keys;
 mod notify_mutex;
+mod options;
 mod popup_stack;
 mod profiler;
 mod queue;
@@ -175,7 +176,7 @@ fn run_app(
 		input.clone(),
 		theme,
 		key_config,
-	);
+	)?;
 
 	let mut spinner = Spinner::default();
 	let mut first_update = true;

src/options.rs

@@ -0,0 +1,90 @@
+use anyhow::Result;
+use asyncgit::sync::{
+	diff::DiffOptions, repo_dir, RepoPathRef,
+	ShowUntrackedFilesConfig,
+};
+use ron::{
+	de::from_bytes,
+	ser::{to_string_pretty, PrettyConfig},
+};
+use serde::{Deserialize, Serialize};
+use std::{
+	cell::RefCell,
+	fs::File,
+	io::{Read, Write},
+	path::PathBuf,
+	rc::Rc,
+};
+
+#[derive(Default, Copy, Clone, Serialize, Deserialize)]
+struct OptionsData {
+	pub tab: usize,
+}
+
+#[derive(Clone)]
+pub struct Options {
+	//TODO: un-pub and use getters/setters and move into persisted data
+	pub status_show_untracked: Option<ShowUntrackedFilesConfig>,
+	pub diff: DiffOptions,
+
+	repo: RepoPathRef,
+	data: OptionsData,
+}
+
+pub type SharedOptions = Rc<RefCell<Options>>;
+
+impl Options {
+	pub fn new(repo: RepoPathRef) -> SharedOptions {
+		Rc::new(RefCell::new(Self {
+			data: Self::read(&repo).unwrap_or_default(),
+			diff: DiffOptions::default(),
+			status_show_untracked: None,
+			repo,
+		}))
+	}
+
+	pub fn set_current_tab(&mut self, tab: usize) {
+		self.data.tab = tab;
+		self.save();
+	}
+
+	pub const fn current_tab(&self) -> usize {
+		self.data.tab
+	}
+
+	pub const fn diff_options(&self) -> DiffOptions {
+		self.diff
+	}
+
+	fn save(&self) {
+		if let Err(e) = self.save_failable() {
+			log::error!("options save error: {}", e);
+		}
+	}
+
+	fn read(repo: &RepoPathRef) -> Result<OptionsData> {
+		let dir = Self::options_file(repo)?;
+
+		let mut f = File::open(dir)?;
+		let mut buffer = Vec::new();
+		f.read_to_end(&mut buffer)?;
+		Ok(from_bytes(&buffer)?)
+	}
+
+	fn save_failable(&self) -> Result<()> {
+		let dir = Self::options_file(&self.repo)?;
+
+		let mut file = File::create(&dir)?;
+		let data =
+			to_string_pretty(&self.data, PrettyConfig::default())?;
+		file.write_all(data.as_bytes())?;
+
+		Ok(())
+	}
+
+	fn options_file(repo: &RepoPathRef) -> Result<PathBuf> {
+		let dir = repo_dir(&repo.borrow())?;
+		let dir = dir.join("gitui");
+		Ok(dir)
+	}
+}

src/tabs/status.rs

@@ -4,9 +4,10 @@ use crate::{
 		command_pump, event_pump, visibility_blocking,
 		ChangesComponent, CommandBlocking, CommandInfo, Component,
 		DiffComponent, DrawableComponent, EventState,
-		FileTreeItemKind, SharedOptions,
+		FileTreeItemKind,
 	},
 	keys::{key_match, SharedKeyConfig},
+	options::SharedOptions,
 	queue::{Action, InternalEvent, NeedsUpdate, Queue, ResetItem},
 	strings, try_or_popup,
 	ui::style::SharedTheme,
@@ -490,7 +491,7 @@ impl Status {
 			let diff_params = DiffParams {
 				path: path.clone(),
 				diff_type,
-				options: self.options.borrow().diff,
+				options: self.options.borrow().diff_options(),
 			};
 
 			if self.diff.current() == (path.clone(), is_stage) {