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Diffstat (limited to 'src/tui/commands.rs')
| -rw-r--r-- | src/tui/commands.rs | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/tui/commands.rs b/src/tui/commands.rs new file mode 100644 index 0000000..dc6b2c8 --- /dev/null +++ b/src/tui/commands.rs @@ -0,0 +1,195 @@ +// bibiman - a TUI for managing BibLaTeX databases +// Copyright (C) 2024 lukeflo +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <https://www.gnu.org/licenses/>. +///// + +use ratatui::crossterm::event::{ + Event, KeyCode, KeyEvent, KeyModifiers, MouseEvent, MouseEventKind, +}; +use tui_input::Input; + +// Possible ressources to open +#[derive(Debug, PartialEq, Eq)] +pub enum OpenRessource { + Pdf, + WebLink, + Note, +} + +/// Application command. +#[derive(Debug, PartialEq, Eq)] +pub enum CmdAction { + // Toggle area + ToggleArea, + // Scroll list/table down + SelectNextRow(u16), + // Scroll list/table up. + SelectPrevRow(u16), + // Select nex table col. + SelectNextCol, + // Select previous table col. + SelectPrevCol, + // Scroll info/preview area down + ScrollInfoDown, + // Scroll info/preview area up + ScrollInfoUp, + // Go to top. + Top, + // Go to bottom. + Bottom, + // Search list + SearchList, + // Reset lists + ResetList, + // Confirm search/selection + Confirm, + // Sort table/list + SortList, + // Yank selected item + YankItem, + // Edit file + EditFile, + // Open linked ressource + Open(OpenRessource), + // Input command. + Input(InputCmdAction), + // Hexdump command. + Exit, + // Do nothing. + Nothing, +} + +impl From<KeyEvent> for CmdAction { + fn from(key_event: KeyEvent) -> Self { + match key_event.code { + // Go to first/last entry of selected list/table + KeyCode::Char('g') | KeyCode::Home => Self::Top, + KeyCode::Char('G') | KeyCode::End => Self::Bottom, + // Scroll columns of EntryTable + KeyCode::Right | KeyCode::Char('l') => Self::SelectNextCol, + KeyCode::Left | KeyCode::Char('h') => Self::SelectPrevCol, + // Scroll table/list vertically by 1 + KeyCode::Down | KeyCode::Char('j') => { + if key_event.modifiers == KeyModifiers::ALT { + Self::ScrollInfoDown + } else { + Self::SelectNextRow(1) + } + } + KeyCode::Up | KeyCode::Char('k') => { + if key_event.modifiers == KeyModifiers::ALT { + Self::ScrollInfoUp + } else { + Self::SelectPrevRow(1) + } + } + // Scroll table/list vertically by 5 + KeyCode::Char('d') => { + if key_event.modifiers == KeyModifiers::CONTROL { + Self::SelectNextRow(5) + } else { + Self::Nothing + } + } + KeyCode::Char('u') => { + if key_event.modifiers == KeyModifiers::CONTROL { + Self::SelectPrevRow(5) + } else { + Self::Open(OpenRessource::WebLink) + } + } + // Scroll info/preview area + KeyCode::PageDown => Self::ScrollInfoDown, + KeyCode::PageUp => Self::ScrollInfoUp, + // Exit App + KeyCode::Char('q') => Self::Exit, + KeyCode::Char('c') | KeyCode::Char('C') => { + if key_event.modifiers == KeyModifiers::CONTROL { + Self::Exit + } else { + Self::Nothing + } + } + // Switch selected area + KeyCode::Tab => Self::ToggleArea, + KeyCode::BackTab => Self::ToggleArea, + // Enter search mode + KeyCode::Char('/') => Self::Input(InputCmdAction::Enter), + KeyCode::Char('f') => { + if key_event.modifiers == KeyModifiers::CONTROL { + Self::Input(InputCmdAction::Enter) + } else { + Self::Nothing + } + } + // KeyCode::Backspace => Self::Input(InputCommand::Resume(Event::Key(key_event))), + // Confirm selection + KeyCode::Enter => Self::Confirm, + // Reset lists/tables + KeyCode::Esc => Self::ResetList, + // Open linked ressource + KeyCode::Char('o') => Self::Open(OpenRessource::Pdf), + // KeyCode::Char('u') => Self::Open(OpenRessource::WebLink), + // Edit currently selected entry + KeyCode::Char('e') => Self::EditFile, + // Yank selected item/value + KeyCode::Char('y') => Self::YankItem, + // Sort entry table by selected col + KeyCode::Char('s') => Self::SortList, + // Else do nothing + _ => Self::Nothing, + } + } +} + +impl From<MouseEvent> for CmdAction { + fn from(mouse_event: MouseEvent) -> Self { + match mouse_event.kind { + MouseEventKind::ScrollDown => Self::SelectNextRow(1), + MouseEventKind::ScrollUp => Self::SelectPrevRow(1), + _ => Self::Nothing, + } + } +} + +/// Input mode command. +#[derive(Debug, PartialEq, Eq)] +pub enum InputCmdAction { + // Handle input. + Handle(Event), + // Enter input mode. + Enter, + // Confirm input. + Confirm, + // Exit input mode + Exit, + // Do nothing + Nothing, +} + +impl InputCmdAction { + /// Parses the event. + pub fn parse(key_event: KeyEvent, input: &Input) -> Self { + if key_event.code == KeyCode::Backspace && input.value().is_empty() { + Self::Nothing + } else if key_event.code == KeyCode::Esc { + Self::Exit + } else if key_event.code == KeyCode::Enter { + Self::Confirm + } else { + Self::Handle(Event::Key(key_event)) + } + } +} |