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https://github.com/ChrisTitusTech/linutil.git
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return user to their previous position if they exit a subdir (#725)
* return user to their previous position if they enter a subdir * fix lint * implement changes proposed by adam Co-authored-by: Adam Perkowski <adas1per@protonmail.com> * add newline back * coalesce `visit_stack` and `position_stack` (#6) --------- Co-authored-by: nyx <nnyyxxxx@users.noreply.github.com> Co-authored-by: Adam Perkowski <adas1per@protonmail.com> Co-authored-by: cartercanedy <99052281+cartercanedy@users.noreply.github.com>
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@ -52,7 +52,7 @@ pub struct AppState {
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current_tab: ListState,
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/// This stack keeps track of our "current directory". You can think of it as `pwd`. but not
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/// just the current directory, all paths that took us here, so we can "cd .."
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visit_stack: Vec<NodeId>,
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visit_stack: Vec<(NodeId, usize)>,
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/// This is the state associated with the list widget, used to display the selection in the
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/// widget
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selection: ListState,
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@ -78,6 +78,13 @@ pub struct ListEntry {
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pub has_children: bool,
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}
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enum SelectedItem {
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UpDir,
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Directory,
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Command,
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None,
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}
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impl AppState {
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pub fn new(theme: Theme, override_validation: bool) -> Self {
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let (temp_dir, tabs) = linutil_core::get_tabs(!override_validation);
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@ -89,7 +96,7 @@ impl AppState {
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focus: Focus::List,
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tabs,
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current_tab: ListState::default().with_selected(Some(0)),
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visit_stack: vec![root_id],
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visit_stack: vec![(root_id, 0usize)],
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selection: ListState::default().with_selected(Some(0)),
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filter: Filter::new(),
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multi_select: false,
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@ -554,7 +561,7 @@ impl AppState {
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self.filter.update_items(
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&self.tabs,
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self.current_tab.selected().unwrap(),
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*self.visit_stack.last().unwrap(),
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self.visit_stack.last().unwrap().0,
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);
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if !self.is_current_tab_multi_selectable() {
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self.multi_select = false;
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@ -578,10 +585,11 @@ impl AppState {
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}
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fn enter_parent_directory(&mut self) {
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self.visit_stack.pop();
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self.selection.select(Some(0));
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if let Some((_, previous_position)) = self.visit_stack.pop() {
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self.selection.select(Some(previous_position));
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self.update_items();
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}
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}
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fn get_selected_node(&self) -> Option<Rc<ListNode>> {
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let mut selected_index = self.selection.selected().unwrap_or(0);
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@ -607,20 +615,22 @@ impl AppState {
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}
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pub fn go_to_selected_dir(&mut self) {
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let mut selected_index = self.selection.selected().unwrap_or(0);
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let selected_index = self.selection.selected().unwrap_or(0);
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if !self.at_root() && selected_index == 0 {
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self.enter_parent_directory();
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return;
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}
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if !self.at_root() {
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selected_index = selected_index.saturating_sub(1);
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}
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let actual_index = if self.at_root() {
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selected_index
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} else {
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selected_index - 1
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};
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if let Some(item) = self.filter.item_list().get(selected_index) {
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if let Some(item) = self.filter.item_list().get(actual_index) {
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if item.has_children {
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self.visit_stack.push(item.id);
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self.visit_stack.push((item.id, selected_index));
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self.selection.select(Some(0));
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self.update_items();
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}
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@ -652,7 +662,6 @@ impl AppState {
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pub fn selected_item_is_up_dir(&self) -> bool {
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let selected_index = self.selection.selected().unwrap_or(0);
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!self.at_root() && selected_index == 0
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}
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@ -673,8 +682,23 @@ impl AppState {
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}
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}
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fn get_selected_item_type(&self) -> SelectedItem {
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if self.selected_item_is_up_dir() {
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SelectedItem::UpDir
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} else if self.selected_item_is_dir() {
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SelectedItem::Directory
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} else if self.selected_item_is_cmd() {
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SelectedItem::Command
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} else {
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SelectedItem::None
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}
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}
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fn handle_enter(&mut self) {
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if self.selected_item_is_cmd() {
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match self.get_selected_item_type() {
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SelectedItem::UpDir => self.enter_parent_directory(),
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SelectedItem::Directory => self.go_to_selected_dir(),
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SelectedItem::Command => {
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if self.selected_commands.is_empty() {
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if let Some(node) = self.get_selected_node() {
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self.selected_commands.push(node);
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@ -689,8 +713,8 @@ impl AppState {
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let prompt = ConfirmPrompt::new(&cmd_names[..]);
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self.focus = Focus::ConfirmationPrompt(Float::new(Box::new(prompt), 40, 40));
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} else {
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self.go_to_selected_dir();
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}
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SelectedItem::None => {}
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}
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}
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@ -724,10 +748,13 @@ impl AppState {
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}
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fn refresh_tab(&mut self) {
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self.visit_stack = vec![self.tabs[self.current_tab.selected().unwrap()]
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self.visit_stack = vec![(
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self.tabs[self.current_tab.selected().unwrap()]
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.tree
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.root()
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.id()];
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.id(),
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0usize,
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)];
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self.selection.select(Some(0));
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self.update_items();
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}
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