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Sebastian Thiel
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Jun 5, 2019
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| use crate::interactive::{ | ||
| app::{FocussedPane, TerminalApp}, | ||
| sorted_entries, | ||
| widgets::ReactHelpPane, | ||
| }; | ||
| use dua::path_of; | ||
| use itertools::Itertools; | ||
| use petgraph::Direction; | ||
|
|
||
| pub enum CursorDirection { | ||
| PageDown, | ||
| Down, | ||
| Up, | ||
| PageUp, | ||
| } | ||
|
|
||
| impl TerminalApp { | ||
| pub fn cycle_focus(&mut self) { | ||
| use FocussedPane::*; | ||
| self.state.focussed = match (self.state.focussed, &self.window.help_pane) { | ||
| (Main, Some(_)) => Help, | ||
| (Help, _) => Main, | ||
| _ => Main, | ||
| }; | ||
| } | ||
|
|
||
| pub fn toggle_help_pane(&mut self) { | ||
| use FocussedPane::*; | ||
| self.state.focussed = match self.state.focussed { | ||
| Main => { | ||
| self.window.help_pane = Some(ReactHelpPane::default()); | ||
| Help | ||
| } | ||
| Help => { | ||
| self.window.help_pane = None; | ||
| Main | ||
| } | ||
| } | ||
| } | ||
|
|
||
| pub fn update_message(&mut self) { | ||
| self.state.message = None; | ||
| } | ||
|
|
||
| pub fn open_that(&mut self) { | ||
| match self.state.selected { | ||
| Some(ref idx) => { | ||
| open::that(path_of(&self.traversal.tree, *idx)).ok(); | ||
| } | ||
| None => {} | ||
| } | ||
| } | ||
|
|
||
| pub fn exit_node(&mut self) { | ||
| match self | ||
| .traversal | ||
| .tree | ||
| .neighbors_directed(self.state.root, Direction::Incoming) | ||
| .next() | ||
| { | ||
| Some(parent_idx) => { | ||
| self.state.root = parent_idx; | ||
| self.state.entries = | ||
| sorted_entries(&self.traversal.tree, parent_idx, self.state.sorting); | ||
| self.state.selected = self.state.entries.get(0).map(|b| b.index); | ||
| } | ||
| None => self.state.message = Some("Top level reached".into()), | ||
| } | ||
| } | ||
|
|
||
| pub fn enter_node(&mut self) { | ||
| if let Some(new_root) = self.state.selected { | ||
| self.state.entries = sorted_entries(&self.traversal.tree, new_root, self.state.sorting); | ||
| match self.state.entries.get(0) { | ||
| Some(b) => { | ||
| self.state.root = new_root; | ||
| self.state.selected = Some(b.index); | ||
| } | ||
| None => self.state.message = Some("Entry is a file or an empty directory".into()), | ||
| } | ||
| } | ||
| } | ||
|
|
||
| pub fn scroll_help(&mut self, direction: CursorDirection) { | ||
| use CursorDirection::*; | ||
| if let Some(ref mut pane) = self.window.help_pane { | ||
| pane.scroll = match direction { | ||
| Down => pane.scroll.saturating_add(1), | ||
| Up => pane.scroll.saturating_sub(1), | ||
| PageDown => pane.scroll.saturating_add(10), | ||
| PageUp => pane.scroll.saturating_sub(10), | ||
| }; | ||
| } | ||
| } | ||
|
|
||
| pub fn change_entry_selection(&mut self, direction: CursorDirection) { | ||
| let entries = sorted_entries(&self.traversal.tree, self.state.root, self.state.sorting); | ||
| let next_selected_pos = match self.state.selected { | ||
| Some(ref selected) => entries | ||
| .iter() | ||
| .find_position(|b| b.index == *selected) | ||
| .map(|(idx, _)| match direction { | ||
| CursorDirection::PageDown => idx.saturating_add(10), | ||
| CursorDirection::Down => idx.saturating_add(1), | ||
| CursorDirection::Up => idx.saturating_sub(1), | ||
| CursorDirection::PageUp => idx.saturating_sub(10), | ||
| }) | ||
| .unwrap_or(0), | ||
| None => 0, | ||
| }; | ||
| self.state.selected = entries | ||
| .get(next_selected_pos) | ||
| .or(entries.last()) | ||
| .map(|b| b.index) | ||
| .or(self.state.selected) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,7 +1,9 @@ | ||
| mod bytevis; | ||
| mod common; | ||
| mod eventloop; | ||
| mod handlers; | ||
|
|
||
| pub use bytevis::*; | ||
| pub use common::*; | ||
| pub use eventloop::*; | ||
| pub use handlers::*; |