use std::f64; use std::fs::File; use std::io::prelude::*; use std::path::PathBuf; use cursive::direction::{Absolute, Direction}; use cursive::event::{Event, EventResult, Key}; use cursive::theme::Color; use cursive::view::View; use cursive::{Printer, Vec2}; use notify::DebouncedEvent; use crate::app::{App, MessageKind}; use crate::habit::{HabitWrapper, ViewMode}; use crate::utils; use crate::CONFIGURATION; impl View for App { fn draw(&self, printer: &Printer) { let grid_width = CONFIGURATION.grid_width; let view_width = CONFIGURATION.view_width; let view_height = CONFIGURATION.view_height; let mut offset = Vec2::zero(); for (idx, habit) in self.habits.iter().enumerate() { if idx >= grid_width && idx % grid_width == 0 { offset = offset.map_y(|y| y + view_height).map_x(|_| 0); } habit.draw(&printer.offset(offset).focused(self.focus == idx)); offset = offset.map_x(|x| x + view_width + 2); } offset = offset.map_x(|_| 0).map_y(|_| self.max_size().y - 2); let status = self.status(); printer.print(offset, &status.0); // left status let full = self.max_size().x; offset = offset.map_x(|_| full - status.1.len()); printer.print(offset, &status.1); // right status offset = offset.map_x(|_| 0).map_y(|_| self.max_size().y - 1); printer.with_style(Color::from(self.message.read().unwrap().kind()), |p| { p.print(offset, self.message.read().unwrap().contents()) }); } fn required_size(&mut self, _: Vec2) -> Vec2 { let grid_width = CONFIGURATION.grid_width; let view_width = CONFIGURATION.view_width; let view_height = CONFIGURATION.view_height; let width = grid_width * (view_width + 2); let height = { if self.habits.len() > 0 { (view_height as f64 * (self.habits.len() as f64 / grid_width as f64).ceil()) as usize } else { 0 } }; Vec2::new(width, height + 2) } fn take_focus(&mut self, _: Direction) -> bool { false } fn on_event(&mut self, e: Event) -> EventResult { match self.file_event_recv.try_recv() { Ok(DebouncedEvent::Write(_)) => { let read_from_file = |file: PathBuf| -> Vec> { if let Ok(ref mut f) = File::open(file) { let mut j = String::new(); f.read_to_string(&mut j); return serde_json::from_str(&j).unwrap(); } else { return Vec::new(); } }; let auto = read_from_file(utils::auto_habit_file()); self.habits.retain(|x| !x.is_auto()); self.habits.extend(auto); } _ => {} }; if self.habits.is_empty() { return EventResult::Ignored; } match e { Event::Key(Key::Right) | Event::Key(Key::Tab) | Event::Char('l') => { self.set_focus(Absolute::Right); return EventResult::Consumed(None); } Event::Key(Key::Left) | Event::Shift(Key::Tab) | Event::Char('h') => { self.set_focus(Absolute::Left); return EventResult::Consumed(None); } Event::Key(Key::Up) | Event::Char('k') => { self.set_focus(Absolute::Up); return EventResult::Consumed(None); } Event::Key(Key::Down) | Event::Char('j') => { self.set_focus(Absolute::Down); return EventResult::Consumed(None); } Event::Char('d') => { if self.habits.is_empty() { return EventResult::Consumed(None); } self.habits.remove(self.focus); self.focus = self.focus.checked_sub(1).unwrap_or(0); return EventResult::Consumed(None); } Event::Char('w') => { // helper bind to test write to file let j = serde_json::to_string_pretty(&self.habits).unwrap(); let mut file = File::create("foo.txt").unwrap(); file.write_all(j.as_bytes()).unwrap(); return EventResult::Consumed(None); } Event::Char('q') => { self.save_state(); return EventResult::with_cb(|s| s.quit()); } Event::Char('v') => { if self.habits.is_empty() { return EventResult::Consumed(None); } if self.habits[self.focus].view_mode() == ViewMode::Week { self.set_mode(ViewMode::Day) } else { self.set_mode(ViewMode::Week) } return EventResult::Consumed(None); } Event::Char('V') => { for habit in self.habits.iter_mut() { habit.set_view_mode(ViewMode::Week); } return EventResult::Consumed(None); } Event::Key(Key::Esc) => { for habit in self.habits.iter_mut() { habit.set_view_mode(ViewMode::Day); } return EventResult::Consumed(None); } /* We want sifting to be an app level function, * that later trickles down into each habit * */ Event::Char(']') => { self.sift_forward(); return EventResult::Consumed(None); } Event::Char('[') => { self.sift_backward(); return EventResult::Consumed(None); } Event::Char('}') => { self.set_view_month_offset(0); return EventResult::Consumed(None); } Event::CtrlChar('l') => { self.message.write().unwrap().clear(); self.message.write().unwrap().set_kind(MessageKind::Info); return EventResult::Consumed(None); } Event::CtrlChar('c') => { self.message.write().unwrap().set_message("Use the :q command to quit"); return EventResult::Consumed(None); } /* Every keybind that is not caught by App trickles * down to the focused habit. We sift back to today * before performing any action, "refocusing" the cursor * */ _ => { if self.habits.is_empty() { return EventResult::Ignored; } self.set_view_month_offset(0); self.habits[self.focus].on_event(e) } } } }