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-rw-r--r--src/main.rs310
1 files changed, 144 insertions, 166 deletions
diff --git a/src/main.rs b/src/main.rs
index d4c9642..4c11785 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,7 +4,7 @@ use std::io::{stdout, Error, Read, Write};
use crossterm::{
cursor,
- event::{self, Event, KeyCode, MouseEvent},
+ event::{self, Event, KeyCode},
queue,
style::{Attribute, Print},
terminal::{self, ClearType},
@@ -199,32 +199,72 @@ struct Bk {
search: String,
}
+struct Position(String, usize, usize);
+
impl Bk {
- fn new(
- path: &str,
- chapter_idx: usize,
- pos: usize,
- pad: u16,
- ) -> Result<Self, Error> {
+ fn new(pos: &Position, pad: u16) -> Result<Self, Error> {
let (cols, rows) = terminal::size().unwrap();
- let mut epub = Epub::new(path)?;
+ let mut epub = Epub::new(&pos.0)?;
let mut bk = Bk {
mode: Mode::Read,
chapter: Vec::new(),
- chapter_idx,
+ chapter_idx: 0,
nav_idx: 0,
toc: epub.get_toc(),
epub,
- pos,
+ pos: 0,
pad,
cols,
rows: rows as usize,
search: String::new(),
};
- bk.get_chapter(chapter_idx);
- bk.pos = pos;
+ bk.get_chapter(pos.1);
+ bk.pos = pos.2;
Ok(bk)
}
+ fn run(&mut self) -> crossterm::Result<()> {
+ let mut stdout = stdout();
+ queue!(
+ stdout,
+ terminal::EnterAlternateScreen,
+ cursor::Hide,
+ //event::EnableMouseCapture
+ )?;
+ terminal::enable_raw_mode()?;
+
+ self.render();
+ loop {
+ match event::read()? {
+ Event::Key(e) => match self.mode {
+ Mode::Read => {
+ if self.match_read(e.code) {
+ break;
+ }
+ }
+ Mode::Help => self.mode = Mode::Read,
+ Mode::Nav => self.match_nav(e.code),
+ Mode::Search => self.match_search(e.code),
+ },
+ Event::Resize(cols, rows) => {
+ self.cols = cols;
+ self.rows = rows as usize;
+ self.get_chapter(self.chapter_idx);
+ }
+ // mouse isn't captured
+ Event::Mouse(_) => (),
+ }
+ self.render();
+ }
+
+ queue!(
+ stdout,
+ terminal::LeaveAlternateScreen,
+ cursor::Show,
+ //event::DisableMouseCapture
+ )?;
+ stdout.flush()?;
+ terminal::disable_raw_mode()
+ }
fn get_chapter(&mut self, idx: usize) {
let mut chapter = Vec::new();
let xml = self.epub.get_text(&self.toc[idx].1);
@@ -287,15 +327,6 @@ impl Bk {
self.pos = (self.chapter.len() / self.rows) * self.rows;
}
}
- fn run(&mut self, e: Event) -> bool {
- match self.mode {
- Mode::Read => return self.run_read(e),
- Mode::Nav => self.run_nav(e),
- Mode::Help => self.mode = Mode::Read,
- Mode::Search => self.run_search(e),
- }
- true
- }
fn really_search(&mut self, forwards: bool) {
if forwards {
if let Some(pos) = self.chapter[self.pos + 1..]
@@ -311,130 +342,95 @@ impl Bk {
self.pos = pos;
}
}
- fn run_search(&mut self, e: Event) {
- match e {
- Event::Key(e) => match e.code {
- KeyCode::Esc => {
- self.search = String::new();
- self.mode = Mode::Read;
- }
- KeyCode::Enter => {
- self.mode = Mode::Read;
- self.really_search(true);
- }
- KeyCode::Char(c) => {
- self.search.push(c);
- }
- _ => (),
- },
+ fn match_search(&mut self, kc: KeyCode) {
+ match kc {
+ KeyCode::Esc => {
+ self.search = String::new();
+ self.mode = Mode::Read;
+ }
+ KeyCode::Enter => {
+ self.mode = Mode::Read;
+ self.really_search(true);
+ }
+ KeyCode::Char(c) => {
+ self.search.push(c);
+ }
_ => (),
}
}
- fn run_nav(&mut self, e: Event) {
- match e {
- Event::Key(e) => match e.code {
- KeyCode::Esc | KeyCode::Tab | KeyCode::Char('q') => {
- self.mode = Mode::Read
- }
- KeyCode::Down | KeyCode::Char('j') => {
- if self.nav_idx < self.toc.len() - 1 {
- self.nav_idx += 1;
- }
- }
- KeyCode::Up | KeyCode::Char('k') => {
- if self.nav_idx > 0 {
- self.nav_idx -= 1;
- }
- }
- KeyCode::Enter => {
- self.get_chapter(self.nav_idx);
- self.mode = Mode::Read;
- }
- KeyCode::Home | KeyCode::Char('g') => self.nav_idx = 0,
- KeyCode::End | KeyCode::Char('G') => {
- self.nav_idx = self.toc.len() - 1
- }
- _ => (),
- },
- Event::Mouse(e) => match e {
- MouseEvent::ScrollDown(_, _, _) => {
- if self.nav_idx < self.toc.len() - 1 {
- self.nav_idx += 1;
- }
- }
- MouseEvent::ScrollUp(_, _, _) => {
- if self.nav_idx > 0 {
- self.nav_idx -= 1;
- }
+ fn match_nav(&mut self, kc: KeyCode) {
+ match kc {
+ KeyCode::Esc | KeyCode::Tab | KeyCode::Char('q') => {
+ self.mode = Mode::Read
+ }
+ KeyCode::Down | KeyCode::Char('j') => {
+ if self.nav_idx < self.toc.len() - 1 {
+ self.nav_idx += 1;
}
- MouseEvent::Down(event::MouseButton::Left, _, row, _) => {
- self.get_chapter(row as usize);
- self.mode = Mode::Read;
+ }
+ KeyCode::Up | KeyCode::Char('k') => {
+ if self.nav_idx > 0 {
+ self.nav_idx -= 1;
}
- _ => (),
- },
+ }
+ KeyCode::Enter => {
+ self.get_chapter(self.nav_idx);
+ self.mode = Mode::Read;
+ }
+ KeyCode::Home | KeyCode::Char('g') => self.nav_idx = 0,
+ KeyCode::End | KeyCode::Char('G') => {
+ self.nav_idx = self.toc.len() - 1
+ }
_ => (),
}
}
- fn run_read(&mut self, e: Event) -> bool {
- match e {
- Event::Key(e) => match e.code {
- KeyCode::Esc | KeyCode::Char('q') => return false,
- KeyCode::Tab => self.start_nav(),
- KeyCode::F(1) | KeyCode::Char('?') => self.mode = Mode::Help,
- KeyCode::Char('/') => {
- self.search = String::new();
- self.mode = Mode::Search;
- }
- KeyCode::Char('N') => {
- self.really_search(false);
- }
- KeyCode::Char('n') => {
- self.really_search(true);
- }
- KeyCode::End | KeyCode::Char('G') => {
- self.pos = (self.chapter.len() / self.rows) * self.rows;
- }
- KeyCode::Home | KeyCode::Char('g') => self.pos = 0,
- KeyCode::Char('d') => {
- self.scroll_down(self.rows / 2);
- }
- KeyCode::Char('u') => {
- self.scroll_up(self.rows / 2);
- }
- KeyCode::Up | KeyCode::Char('k') => {
- self.scroll_up(1);
- }
- KeyCode::Left
- | KeyCode::PageUp
- | KeyCode::Char('b')
- | KeyCode::Char('h') => {
- self.scroll_up(self.rows);
- }
- KeyCode::Down | KeyCode::Char('j') => {
- self.scroll_down(1);
- }
- KeyCode::Right
- | KeyCode::PageDown
- | KeyCode::Char('f')
- | KeyCode::Char('l')
- | KeyCode::Char(' ') => {
- self.scroll_down(self.rows);
- }
- _ => (),
- },
- Event::Mouse(e) => match e {
- MouseEvent::ScrollDown(_, _, _) => self.scroll_down(3),
- MouseEvent::ScrollUp(_, _, _) => self.scroll_up(3),
- _ => (),
- },
- Event::Resize(cols, rows) => {
- self.cols = cols;
- self.rows = rows as usize;
- self.get_chapter(self.chapter_idx);
+ fn match_read(&mut self, kc: KeyCode) -> bool {
+ match kc {
+ KeyCode::Esc | KeyCode::Char('q') => return true,
+ KeyCode::Tab => self.start_nav(),
+ KeyCode::F(1) | KeyCode::Char('?') => self.mode = Mode::Help,
+ KeyCode::Char('/') => {
+ self.search = String::new();
+ self.mode = Mode::Search;
+ }
+ KeyCode::Char('N') => {
+ self.really_search(false);
+ }
+ KeyCode::Char('n') => {
+ self.really_search(true);
+ }
+ KeyCode::End | KeyCode::Char('G') => {
+ self.pos = (self.chapter.len() / self.rows) * self.rows;
+ }
+ KeyCode::Home | KeyCode::Char('g') => self.pos = 0,
+ KeyCode::Char('d') => {
+ self.scroll_down(self.rows / 2);
+ }
+ KeyCode::Char('u') => {
+ self.scroll_up(self.rows / 2);
+ }
+ KeyCode::Up | KeyCode::Char('k') => {
+ self.scroll_up(1);
+ }
+ KeyCode::Left
+ | KeyCode::PageUp
+ | KeyCode::Char('b')
+ | KeyCode::Char('h') => {
+ self.scroll_up(self.rows);
}
+ KeyCode::Down | KeyCode::Char('j') => {
+ self.scroll_down(1);
+ }
+ KeyCode::Right
+ | KeyCode::PageDown
+ | KeyCode::Char('f')
+ | KeyCode::Char('l')
+ | KeyCode::Char(' ') => {
+ self.scroll_down(self.rows);
+ }
+ _ => (),
}
- true
+ false
}
fn render(&self) {
match self.mode {
@@ -537,7 +533,7 @@ PageDown Right Space f l Page Down
}
}
-fn restore() -> Option<(String, usize, usize)> {
+fn restore() -> Option<Position> {
let path = std::env::args().nth(1);
let save_path =
format!("{}/.local/share/bk", std::env::var("HOME").unwrap());
@@ -545,7 +541,7 @@ fn restore() -> Option<(String, usize, usize)> {
let get_save = |s: String| {
let mut lines = s.lines();
- (
+ Position(
lines.next().unwrap().to_string(),
lines.next().unwrap().parse::<usize>().unwrap(),
lines.next().unwrap().parse::<usize>().unwrap(),
@@ -554,56 +550,38 @@ fn restore() -> Option<(String, usize, usize)> {
match (save, path) {
(Err(_), None) => None,
- (Err(_), Some(path)) => Some((path, 0, 0)),
+ (Err(_), Some(path)) => Some(Position(path, 0, 0)),
(Ok(save), None) => Some(get_save(save)),
(Ok(save), Some(path)) => {
let save = get_save(save);
if save.0 == path {
Some(save)
} else {
- Some((path, 0, 0))
+ Some(Position(path, 0, 0))
}
}
}
}
-fn main() -> crossterm::Result<()> {
- let (path, chapter, pos) = restore().unwrap_or_else(|| {
+fn main() {
+ let pos = restore().unwrap_or_else(|| {
println!("usage: bk path");
std::process::exit(1);
});
- let mut bk = Bk::new(&path, chapter, pos, 3).unwrap_or_else(|e| {
+ let mut bk = Bk::new(&pos, 3).unwrap_or_else(|e| {
println!("error reading epub: {}", e);
std::process::exit(1);
});
- let mut stdout = stdout();
- queue!(
- stdout,
- terminal::EnterAlternateScreen,
- cursor::Hide,
- event::EnableMouseCapture
- )?;
- terminal::enable_raw_mode()?;
-
- bk.render();
- while bk.run(event::read()?) {
- bk.render();
- }
+ bk.run().unwrap();
std::fs::write(
format!("{}/.local/share/bk", std::env::var("HOME").unwrap()),
- format!("{}\n{}\n{}", path, bk.chapter_idx, bk.pos),
+ format!("{}\n{}\n{}", pos.0, bk.chapter_idx, bk.pos),
)
- .unwrap();
-
- queue!(
- stdout,
- terminal::LeaveAlternateScreen,
- cursor::Show,
- event::DisableMouseCapture
- )?;
- stdout.flush()?;
- terminal::disable_raw_mode()
+ .unwrap_or_else(|e| {
+ println!("error saving position: {}", e);
+ std::process::exit(1);
+ });
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 03:14:27 +0000