mirror of https://git.meli.delivery/meli/meli
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
549 lines
22 KiB
Rust
549 lines
22 KiB
Rust
use super::*;
|
|
const MAX_COLS: usize = 500;
|
|
|
|
#[derive(Debug)]
|
|
pub enum MailListingAction {
|
|
ToggleThreaded,
|
|
}
|
|
|
|
/// A list of all mail (`Envelope`s) in a `Mailbox`. On `\n` it opens the `Envelope` content in a
|
|
/// `Pager`.
|
|
pub struct MailListing {
|
|
/// (x, y, z): x is accounts, y is folders, z is index inside a folder.
|
|
cursor_pos: (usize, usize, usize),
|
|
new_cursor_pos: (usize, usize, usize),
|
|
length: usize,
|
|
// TODO: sorting
|
|
/// Cache current view.
|
|
content: CellBuffer,
|
|
/// If we must redraw on next redraw event
|
|
dirty: bool,
|
|
/// If `self.view` exists or not.
|
|
unfocused: bool,
|
|
view: Option<MailView>,
|
|
}
|
|
|
|
impl MailListing {
|
|
/// Helper function to format entry strings for MailListing */
|
|
/* TODO: Make this configurable */
|
|
fn make_entry_string(e: &Envelope, idx: usize) -> String {
|
|
format!("{} {} {:.85}",idx,&e.datetime().format("%Y-%m-%d %H:%M:%S").to_string(),e.subject())
|
|
}
|
|
|
|
pub fn new() -> Self {
|
|
let content = CellBuffer::new(0, 0, Cell::with_char(' '));
|
|
MailListing {
|
|
cursor_pos: (0, 1, 0),
|
|
new_cursor_pos: (0, 0, 0),
|
|
length: 0,
|
|
content: content,
|
|
dirty: true,
|
|
unfocused: false,
|
|
view: None,
|
|
}
|
|
}
|
|
/// Fill the `self.content` `CellBuffer` with the contents of the account folder the user has
|
|
/// chosen.
|
|
fn refresh_mailbox(&mut self, context: &mut Context) {
|
|
self.dirty = true;
|
|
self.cursor_pos.2 = 0;
|
|
self.new_cursor_pos.2 = 0;
|
|
self.cursor_pos.1 = self.new_cursor_pos.1;
|
|
self.cursor_pos.0 = self.new_cursor_pos.0;
|
|
|
|
let threaded = context.accounts[self.cursor_pos.0].runtime_settings.threaded;
|
|
// Get mailbox as a reference.
|
|
let mailbox = &mut context.accounts[self.cursor_pos.0][self.cursor_pos.1].as_ref().unwrap().as_ref().unwrap();
|
|
// Inform State that we changed the current folder view.
|
|
context.replies.push_back(UIEvent { id: 0, event_type: UIEventType::RefreshMailbox((self.cursor_pos.0, self.cursor_pos.1)) });
|
|
|
|
self.length = if threaded {
|
|
mailbox.threaded_collection.len()
|
|
} else {
|
|
mailbox.len()
|
|
};
|
|
let mut content = CellBuffer::new(MAX_COLS, self.length+1, Cell::with_char(' '));
|
|
if self.length == 0 {
|
|
write_string_to_grid(&format!("Folder `{}` is empty.",
|
|
mailbox.folder.name()),
|
|
&mut content,
|
|
Color::Default,
|
|
Color::Default,
|
|
((0, 0), (MAX_COLS-1, 0)),
|
|
true);
|
|
self.content = content;
|
|
return;
|
|
}
|
|
|
|
|
|
// TODO: Fix the threaded hell and refactor stuff into seperate functions and/or modules.
|
|
if threaded {
|
|
let mut indentations: Vec<bool> = Vec::with_capacity(6);
|
|
let mut thread_idx = 0; // needed for alternate thread colors
|
|
/* Draw threaded view. */
|
|
let mut iter = mailbox
|
|
.threaded_collection
|
|
.iter()
|
|
.enumerate()
|
|
.peekable();
|
|
let len = mailbox.threaded_collection.len().to_string().chars().count();
|
|
/* This is just a desugared for loop so that we can use .peek() */
|
|
while let Some((idx, i)) = iter.next() {
|
|
let container = mailbox.thread(*i);
|
|
let indentation = container.indentation();
|
|
|
|
if indentation == 0 {
|
|
thread_idx += 1;
|
|
}
|
|
|
|
assert_eq!(container.has_message(), true);
|
|
match iter.peek() {
|
|
Some(&(_, x))
|
|
if mailbox.thread(*x).indentation() == indentation =>
|
|
{
|
|
indentations.pop();
|
|
indentations.push(true);
|
|
}
|
|
_ => {
|
|
indentations.pop();
|
|
indentations.push(false);
|
|
}
|
|
}
|
|
if container.has_sibling() {
|
|
indentations.pop();
|
|
indentations.push(true);
|
|
}
|
|
let envelope : &Envelope = &mailbox.collection[container.message().unwrap()];
|
|
let fg_color = if !envelope.is_seen() {
|
|
Color::Byte(0)
|
|
} else {
|
|
Color::Default
|
|
};
|
|
let bg_color = if !envelope.is_seen() {
|
|
Color::Byte(251)
|
|
} else if thread_idx % 2 == 0 {
|
|
Color::Byte(236)
|
|
} else {
|
|
Color::Default
|
|
};
|
|
let (x, _) = write_string_to_grid(&MailListing::make_thread_entry(envelope, idx, indentation, container, &indentations, len),
|
|
&mut content,
|
|
fg_color,
|
|
bg_color,
|
|
((0, idx) , (MAX_COLS-1, idx)),
|
|
false);
|
|
for x in x..MAX_COLS {
|
|
content[(x,idx)].set_ch(' ');
|
|
content[(x,idx)].set_bg(bg_color);
|
|
}
|
|
|
|
match iter.peek() {
|
|
Some(&(_, x))
|
|
if mailbox.thread(*x).indentation() > indentation =>
|
|
{
|
|
indentations.push(false);
|
|
}
|
|
Some(&(_, x))
|
|
if mailbox.thread(*x).indentation() < indentation =>
|
|
{
|
|
for _ in 0..(indentation - mailbox.thread(*x).indentation()) {
|
|
indentations.pop();
|
|
}
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
} else {
|
|
|
|
// Populate `CellBuffer` with every entry.
|
|
// TODO: Lazy load?
|
|
let mut idx = 0;
|
|
for y in 0..=self.length {
|
|
if idx >= self.length {
|
|
/* No more entries left, so fill the rest of the area with empty space */
|
|
clear_area(&mut content,
|
|
((0, y), (MAX_COLS-1, self.length)));
|
|
break;
|
|
}
|
|
/* Write an entire line for each envelope entry. */
|
|
let envelope: &Envelope = &mailbox.collection[idx];
|
|
|
|
let fg_color = if !envelope.is_seen() {
|
|
Color::Byte(0)
|
|
} else {
|
|
Color::Default
|
|
};
|
|
let bg_color = if !envelope.is_seen() {
|
|
Color::Byte(251)
|
|
} else if idx % 2 == 0 {
|
|
Color::Byte(236)
|
|
} else {
|
|
Color::Default
|
|
};
|
|
let (x, y)= write_string_to_grid(&MailListing::make_entry_string(envelope, idx),
|
|
&mut content,
|
|
fg_color,
|
|
bg_color,
|
|
((0, y) , (MAX_COLS-1, y)),
|
|
false);
|
|
|
|
for x in x..MAX_COLS {
|
|
content[(x,y)].set_ch(' ');
|
|
content[(x,y)].set_bg(bg_color);
|
|
}
|
|
|
|
idx+=1;
|
|
}
|
|
|
|
}
|
|
|
|
self.content = content;
|
|
}
|
|
fn highlight_line(&self, grid: &mut CellBuffer, area: Area, idx: usize, context: &Context) {
|
|
let threaded = context.accounts[self.cursor_pos.0].runtime_settings.threaded;
|
|
let mailbox = &context.accounts[self.cursor_pos.0][self.cursor_pos.1].as_ref().unwrap().as_ref().unwrap();
|
|
let envelope: &Envelope = if threaded {
|
|
let i = mailbox.threaded_mail(idx);
|
|
&mailbox.collection[i]
|
|
} else {
|
|
&mailbox.collection[idx]
|
|
};
|
|
|
|
let fg_color = if !envelope.is_seen() {
|
|
Color::Byte(0)
|
|
} else {
|
|
Color::Default
|
|
};
|
|
let bg_color = if self.cursor_pos.2 == idx {
|
|
Color::Byte(246)
|
|
} else {
|
|
if !envelope.is_seen() {
|
|
Color::Byte(251)
|
|
} else if idx % 2 == 0 {
|
|
Color::Byte(236)
|
|
} else {
|
|
Color::Default
|
|
}
|
|
};
|
|
change_colors(grid, area, fg_color, bg_color);
|
|
}
|
|
|
|
/// Draw the list of `Envelope`s.
|
|
fn draw_list(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
|
|
if self.cursor_pos.1 != self.new_cursor_pos.1 {
|
|
self.refresh_mailbox(context);
|
|
}
|
|
let upper_left = upper_left!(area);
|
|
let bottom_right = bottom_right!(area);
|
|
if self.length == 0 {
|
|
clear_area(grid, area);
|
|
copy_area(grid, &self.content, area, ((0, 0), (MAX_COLS-1, 0)));
|
|
context.dirty_areas.push_back(area);
|
|
return;
|
|
}
|
|
let rows = get_y(bottom_right) - get_y(upper_left) + 1;
|
|
let prev_page_no = (self.cursor_pos.2).wrapping_div(rows);
|
|
let page_no = (self.new_cursor_pos.2).wrapping_div(rows);
|
|
|
|
let top_idx = page_no*rows;
|
|
|
|
|
|
/* If cursor position has changed, remove the highlight from the previous position and
|
|
* apply it in the new one. */
|
|
if self.cursor_pos.2 != self.new_cursor_pos.2 && prev_page_no == page_no {
|
|
let old_cursor_pos = self.cursor_pos;
|
|
self.cursor_pos = self.new_cursor_pos;
|
|
for idx in [old_cursor_pos.2, self.new_cursor_pos.2].iter() {
|
|
if *idx >= self.length {
|
|
continue; //bounds check
|
|
}
|
|
let new_area = (set_y(upper_left, get_y(upper_left)+(*idx % rows)), set_y(bottom_right, get_y(upper_left) + (*idx % rows)));
|
|
self.highlight_line(grid, new_area, *idx, context);
|
|
context.dirty_areas.push_back(new_area);
|
|
}
|
|
return;
|
|
} else if self.cursor_pos != self.new_cursor_pos {
|
|
self.cursor_pos = self.new_cursor_pos;
|
|
}
|
|
|
|
/* Page_no has changed, so draw new page */
|
|
copy_area(grid, &self.content, area, ((0, top_idx), (MAX_COLS - 1, self.length)));
|
|
self.highlight_line(grid, (set_y(upper_left, get_y(upper_left)+(self.cursor_pos.2 % rows)), set_y(bottom_right, get_y(upper_left) + (self.cursor_pos.2 % rows))), self.cursor_pos.2, context);
|
|
context.dirty_areas.push_back(area);
|
|
}
|
|
|
|
fn make_thread_entry(envelope: &Envelope, idx: usize, indent: usize,
|
|
container: &Container, indentations: &Vec<bool>, idx_width: usize) -> String {
|
|
let has_sibling = container.has_sibling();
|
|
let has_parent = container.has_parent();
|
|
let show_subject = container.show_subject();
|
|
|
|
let mut s = format!("{}{}{} ", idx, " ".repeat(idx_width + 2 - (idx.to_string().chars().count())), MailListing::format_date(&envelope));
|
|
for i in 0..indent {
|
|
if indentations.len() > i && indentations[i]
|
|
{
|
|
s.push('│');
|
|
} else {
|
|
s.push(' ');
|
|
}
|
|
if i > 0 {
|
|
s.push(' ');
|
|
}
|
|
}
|
|
if indent > 0 {
|
|
if has_sibling && has_parent {
|
|
s.push('├');
|
|
} else if has_sibling {
|
|
s.push('┬');
|
|
} else {
|
|
s.push('└');
|
|
}
|
|
s.push('─'); s.push('>');
|
|
}
|
|
|
|
if show_subject {
|
|
s.push_str(&format!("{:.85}", envelope.subject()));
|
|
}
|
|
let attach_count = envelope.body().count_attachments();
|
|
if attach_count > 1 {
|
|
s.push_str(&format!(" {}∞ ", attach_count-1));
|
|
}
|
|
s
|
|
}
|
|
fn format_date(envelope: &Envelope) -> String {
|
|
let d = std::time::UNIX_EPOCH + std::time::Duration::from_secs(envelope.date());
|
|
let now: std::time::Duration = std::time::SystemTime::now().duration_since(d).unwrap();
|
|
match now.as_secs() {
|
|
n if n < 10*60*60 => {
|
|
format!("{} hours ago{}", n / (60*60), " ".repeat(8))
|
|
},
|
|
n if n < 24*60*60 => {
|
|
format!("{} hours ago{}", n / (60*60), " ".repeat(7))
|
|
},
|
|
n if n < 4*24*60*60 => {
|
|
format!("{} days ago{}", n / (24*60*60), " ".repeat(9))
|
|
},
|
|
_ => {
|
|
envelope.datetime().format("%Y-%m-%d %H:%M:%S").to_string()
|
|
},
|
|
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Component for MailListing {
|
|
fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
|
|
if !self.unfocused {
|
|
if !self.is_dirty() {
|
|
return;
|
|
}
|
|
self.dirty = false;
|
|
/* Draw the entire list */
|
|
self.draw_list(grid, area, context);
|
|
} else {
|
|
let upper_left = upper_left!(area);
|
|
let bottom_right = bottom_right!(area);
|
|
if self.length == 0 && self.dirty {
|
|
clear_area(grid, area);
|
|
context.dirty_areas.push_back(area);
|
|
}
|
|
|
|
/* Render the mail body in a pager, basically copy what HSplit does */
|
|
let total_rows = get_y(bottom_right) - get_y(upper_left);
|
|
let pager_ratio = context.runtime_settings.pager.pager_ratio;
|
|
let bottom_entity_rows = (pager_ratio*total_rows )/100;
|
|
|
|
if bottom_entity_rows > total_rows {
|
|
clear_area(grid, area);
|
|
context.dirty_areas.push_back(area);
|
|
return;
|
|
}
|
|
let mid = get_y(upper_left) + total_rows - bottom_entity_rows;
|
|
self.draw_list(grid,
|
|
(upper_left, (get_x(bottom_right), get_y(upper_left)+ mid-1)),
|
|
context);
|
|
if self.length == 0 {
|
|
self.dirty = false;
|
|
return;
|
|
}
|
|
{
|
|
/* TODO: Move the box drawing business in separate functions */
|
|
if get_x(upper_left) > 0 {
|
|
if grid[(get_x(upper_left) - 1, mid)].ch() == VERT_BOUNDARY {
|
|
grid[(get_x(upper_left) - 1, mid)].set_ch(LIGHT_VERTICAL_AND_RIGHT);
|
|
}
|
|
}
|
|
|
|
for i in get_x(upper_left)..=get_x(bottom_right) {
|
|
grid[(i, mid)].set_ch('─');
|
|
}
|
|
context.dirty_areas.push_back((set_y(upper_left, mid), set_y(bottom_right, mid)));
|
|
}
|
|
// TODO: Make headers view configurable
|
|
|
|
if !self.dirty {
|
|
self.view.as_mut().map(|v| v.draw(grid, (set_y(upper_left, mid + 1), bottom_right), context));
|
|
return;
|
|
}
|
|
self.view = Some(MailView::new(self.cursor_pos, None, None));
|
|
self.view.as_mut().map(|v| v.draw(grid, (set_y(upper_left, mid + 1), bottom_right), context));
|
|
self.dirty = false;
|
|
}
|
|
}
|
|
fn process_event(&mut self, event: &UIEvent, context: &mut Context) {
|
|
match event.event_type {
|
|
UIEventType::Input(Key::Up) => {
|
|
if self.cursor_pos.2 > 0 {
|
|
self.new_cursor_pos.2 -= 1;
|
|
self.dirty = true;
|
|
}
|
|
},
|
|
UIEventType::Input(Key::Down) => {
|
|
if self.length > 0 && self.new_cursor_pos.2 < self.length - 1 {
|
|
self.new_cursor_pos.2 += 1;
|
|
self.dirty = true;
|
|
}
|
|
},
|
|
UIEventType::Input(Key::Char('\n')) if self.unfocused == false => {
|
|
self.unfocused = true;
|
|
self.dirty = true;
|
|
},
|
|
UIEventType::Input(Key::Char('m')) if self.unfocused == false => {
|
|
use std::process::{Command, Stdio};
|
|
/* Kill input thread so that spawned command can be sole receiver of stdin */
|
|
{
|
|
/* I tried thread::park() here but for some reason it never blocked and always
|
|
* returned. Spinlocks are also useless because you have to keep the mutex
|
|
* guard alive til the child process exits, which requires some effort.
|
|
*
|
|
* The only problem with this approach is tht the user has to send some input
|
|
* in order for the input-thread to wake up and realise it should kill itself.
|
|
*
|
|
* I tried writing to stdin/tty manually but for some reason rustty didn't
|
|
* acknowledge it.
|
|
*/
|
|
|
|
/*
|
|
* tx sends to input-thread and it kills itself.
|
|
*/
|
|
let tx = context.input_thread();
|
|
tx.send(true);
|
|
}
|
|
let mut dir = std::env::temp_dir();
|
|
dir.push("meli");
|
|
std::fs::DirBuilder::new().recursive(true).create(&dir).unwrap();
|
|
dir.push("foo.txt");
|
|
let mut f = Box::new(std::fs::File::create(&dir).unwrap());
|
|
f.write(&new_draft(context));
|
|
f.flush();
|
|
|
|
|
|
// TODO: check exit status
|
|
let mut output = Command::new("vim")
|
|
.arg("+/^$")
|
|
.arg(&dir)
|
|
.stdin(Stdio::inherit())
|
|
.stdout(Stdio::inherit())
|
|
.spawn()
|
|
.expect("failed to execute process") ;
|
|
|
|
/*
|
|
* Main loop will wait on children and when they reap them the loop spawns a new
|
|
* input-thread
|
|
*/
|
|
context.replies.push_back(UIEvent { id: 0, event_type: UIEventType::Fork(ForkType::NewDraft(dir,output)) });
|
|
context.replies.push_back(UIEvent { id: 0, event_type: UIEventType::ChangeMode(UIMode::Fork) });
|
|
return;
|
|
},
|
|
UIEventType::Input(Key::Esc) | UIEventType::Input(Key::Char('i')) if self.unfocused == true => {
|
|
self.unfocused = false;
|
|
self.dirty = true;
|
|
self.view = None;
|
|
|
|
},
|
|
UIEventType::Input(Key::Char(k @ 'J')) | UIEventType::Input(Key::Char(k @ 'K')) => {
|
|
let folder_length = context.accounts[self.cursor_pos.0].len();
|
|
let accounts_length = context.accounts.len();
|
|
match k {
|
|
'J' if folder_length > 0 => {
|
|
if self.new_cursor_pos.1 < folder_length - 1 {
|
|
self.new_cursor_pos.1 = self.cursor_pos.1 + 1;
|
|
self.dirty = true;
|
|
self.refresh_mailbox(context);
|
|
} else if accounts_length > 0 && self.new_cursor_pos.0 < accounts_length - 1 {
|
|
self.new_cursor_pos.0 = self.cursor_pos.0 + 1;
|
|
self.new_cursor_pos.1 = 0;
|
|
self.dirty = true;
|
|
self.refresh_mailbox(context);
|
|
}
|
|
},
|
|
'K' => {
|
|
if self.cursor_pos.1 > 0 {
|
|
self.new_cursor_pos.1 = self.cursor_pos.1 - 1;
|
|
self.dirty = true;
|
|
self.refresh_mailbox(context);
|
|
} else if self.cursor_pos.0 > 0 {
|
|
self.new_cursor_pos.0 = self.cursor_pos.0 - 1;
|
|
self.new_cursor_pos.1 = 0;
|
|
self.dirty = true;
|
|
self.refresh_mailbox(context);
|
|
}
|
|
},
|
|
_ => {
|
|
},
|
|
}
|
|
},
|
|
UIEventType::Input(Key::Char(k @ 'h')) | UIEventType::Input(Key::Char(k @ 'l')) => {
|
|
let accounts_length = context.accounts.len();
|
|
match k {
|
|
'h' if accounts_length > 0 && self.new_cursor_pos.0 < accounts_length - 1 => {
|
|
self.new_cursor_pos.0 = self.cursor_pos.0 + 1;
|
|
self.new_cursor_pos.1 = 0;
|
|
self.dirty = true;
|
|
self.refresh_mailbox(context);
|
|
},
|
|
'l' if self.cursor_pos.0 > 0 => {
|
|
self.new_cursor_pos.0 = self.cursor_pos.0 - 1;
|
|
self.new_cursor_pos.1 = 0;
|
|
self.dirty = true;
|
|
self.refresh_mailbox(context);
|
|
},
|
|
_ => {
|
|
},
|
|
}
|
|
},
|
|
UIEventType::RefreshMailbox(_) => {
|
|
self.dirty = true;
|
|
self.view = None;
|
|
},
|
|
UIEventType::ChangeMode(UIMode::Normal) => {
|
|
self.dirty = true;
|
|
},
|
|
UIEventType::Resize => {
|
|
self.dirty = true;
|
|
},
|
|
UIEventType::Action(ref action) => {
|
|
match action {
|
|
Action::MailListing(MailListingAction::ToggleThreaded) => {
|
|
context.accounts[self.cursor_pos.0].runtime_settings.threaded = !context.accounts[self.cursor_pos.0].runtime_settings.threaded;
|
|
self.refresh_mailbox(context);
|
|
self.dirty = true;
|
|
|
|
|
|
},
|
|
_ => { unreachable!() },
|
|
}
|
|
},
|
|
_ => {
|
|
},
|
|
}
|
|
if let Some(ref mut v) = self.view {
|
|
v.process_event(event, context);
|
|
}
|
|
}
|
|
fn is_dirty(&self) -> bool {
|
|
self.dirty || self.view.as_ref().map(|p| p.is_dirty()).unwrap_or(false)
|
|
}
|
|
}
|