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/*
* meli
*
* Copyright 2017-2018 Manos Pitsidianakis
*
* This file is part of meli.
*
* meli 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.
*
* meli 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 meli. If not, see <http://www.gnu.org/licenses/>.
*/
use super::EntryStrings;
use super::*;
use crate::components::utilities::PageMovement;
use crate::jobs::{oneshot, JobId};
use std::cmp;
use std::iter::FromIterator;
const MAX_COLS: usize = 500;
macro_rules! address_list {
(($name:expr) as comma_sep_list) => {{
let mut ret: String =
$name
.into_iter()
.fold(String::new(), |mut s: String, n: &Address| {
s.extend(n.to_string().chars());
s.push_str(", ");
s
});
ret.pop();
ret.pop();
ret
}};
}
/// A list of all mail (`Envelope`s) in a `Mailbox`. On `\n` it opens the `Envelope` content in a
/// `MailView`.
#[derive(Debug)]
pub struct PlainListing {
/// (x, y, z): x is accounts, y is mailboxes, z is index inside a mailbox.
cursor_pos: (usize, MailboxHash, usize),
new_cursor_pos: (usize, MailboxHash, usize),
length: usize,
sort: (SortField, SortOrder),
subsort: (SortField, SortOrder),
all_envelopes: HashSet<EnvelopeHash>,
order: HashMap<EnvelopeHash, usize>,
/// Cache current view.
data_columns: DataColumns,
search_job: Option<(
String,
oneshot::Receiver<Result<SmallVec<[EnvelopeHash; 512]>>>,
JobId,
)>,
filter_term: String,
filtered_selection: Vec<EnvelopeHash>,
filtered_order: HashMap<EnvelopeHash, usize>,
selection: HashMap<EnvelopeHash, bool>,
thread_node_hashes: HashMap<EnvelopeHash, ThreadNodeHash>,
local_collection: Vec<EnvelopeHash>,
/// If we must redraw on next redraw event
dirty: bool,
force_draw: bool,
/// If `self.view` exists or not.
unfocused: bool,
view: MailView,
row_updates: SmallVec<[EnvelopeHash; 8]>,
_row_updates: SmallVec<[ThreadHash; 8]>,
color_cache: ColorCache,
active_jobs: HashMap<JobId, oneshot::Receiver<Result<()>>>,
movement: Option<PageMovement>,
id: ComponentId,
}
impl MailListingTrait for PlainListing {
fn row_updates(&mut self) -> &mut SmallVec<[ThreadHash; 8]> {
&mut self._row_updates
}
fn get_focused_items(&self, _context: &Context) -> SmallVec<[ThreadHash; 8]> {
SmallVec::new()
/*
let is_selection_empty = self.selection.values().cloned().any(std::convert::identity);
if is_selection_empty {
self.selection
.iter()
.filter(|(_, v)| **v)
.map(|(k, _)| self.thread_node_hashes[k])
.collect()
} else {
let mut ret = SmallVec::new();
ret.push(self.get_thread_under_cursor(self.cursor_pos.2, context));
ret
}
*/
}
/// Fill the `self.data_columns` `CellBuffers` with the contents of the account mailbox the user has
/// chosen.
fn refresh_mailbox(&mut self, context: &mut Context, force: bool) {
self.dirty = true;
let old_cursor_pos = self.cursor_pos;
if !(self.cursor_pos.0 == self.new_cursor_pos.0
&& self.cursor_pos.1 == self.new_cursor_pos.1)
{
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;
self.color_cache = ColorCache {
even: crate::conf::value(context, "mail.listing.plain.even"),
odd: crate::conf::value(context, "mail.listing.plain.odd"),
even_unseen: crate::conf::value(context, "mail.listing.plain.even_unseen"),
odd_unseen: crate::conf::value(context, "mail.listing.plain.odd_unseen"),
even_highlighted: crate::conf::value(context, "mail.listing.plain.even_highlighted"),
odd_highlighted: crate::conf::value(context, "mail.listing.plain.odd_highlighted"),
even_selected: crate::conf::value(context, "mail.listing.plain.even_selected"),
odd_selected: crate::conf::value(context, "mail.listing.plain.odd_selected"),
attachment_flag: crate::conf::value(context, "mail.listing.attachment_flag"),
thread_snooze_flag: crate::conf::value(context, "mail.listing.thread_snooze_flag"),
tag_default: crate::conf::value(context, "mail.listing.tag_default"),
..self.color_cache
};
if !context.settings.terminal.use_color() {
self.color_cache.highlighted.attrs |= Attr::REVERSE;
}
// Get mailbox as a reference.
//
match context.accounts[self.cursor_pos.0].load(self.cursor_pos.1) {
Ok(()) => {}
Err(_) => {
let default_cell = {
let mut ret = Cell::with_char(' ');
ret.set_fg(self.color_cache.theme_default.fg)
.set_bg(self.color_cache.theme_default.bg)
.set_attrs(self.color_cache.theme_default.attrs);
ret
};
let message: String =
context.accounts[self.cursor_pos.0][&self.cursor_pos.1].status();
self.data_columns.columns[0] =
CellBuffer::new_with_context(message.len(), 1, default_cell, context);
self.length = 0;
write_string_to_grid(
message.as_str(),
&mut self.data_columns.columns[0],
self.color_cache.theme_default.fg,
self.color_cache.theme_default.bg,
self.color_cache.theme_default.attrs,
((0, 0), (MAX_COLS - 1, 0)),
None,
);
return;
}
}
self.local_collection = context.accounts[self.cursor_pos.0].collection[&self.cursor_pos.1]
.iter()
.cloned()
.collect();
let env_lck = context.accounts[self.cursor_pos.0]
.collection
.envelopes
.read()
.unwrap();
self.thread_node_hashes = context.accounts[self.cursor_pos.0].collection
[&self.cursor_pos.1]
.iter()
.map(|h| (*h, env_lck[h].thread()))
.collect();
let sort = self.sort;
self.local_collection.sort_by(|a, b| match sort {
(SortField::Date, SortOrder::Desc) => {
let ma = &env_lck[a];
let mb = &env_lck[b];
mb.date().cmp(&ma.date())
}
(SortField::Date, SortOrder::Asc) => {
let ma = &env_lck[a];
let mb = &env_lck[b];
ma.date().cmp(&mb.date())
}
(SortField::Subject, SortOrder::Desc) => {
let ma = &env_lck[a];
let mb = &env_lck[b];
ma.subject().cmp(&mb.subject())
}
(SortField::Subject, SortOrder::Asc) => {
let ma = &env_lck[a];
let mb = &env_lck[b];
mb.subject().cmp(&ma.subject())
}
});
for &env_hash in &self.local_collection {
self.all_envelopes.insert(env_hash);
}
let items = Box::new(self.local_collection.clone().into_iter())
as Box<dyn Iterator<Item = EnvelopeHash>>;
self.redraw_list(context, items);
drop(env_lck);
if self.length > 0 {
let env_hash = self.get_env_under_cursor(self.cursor_pos.2, context);
let temp = (self.new_cursor_pos.0, self.new_cursor_pos.1, env_hash);
if !force && old_cursor_pos == self.new_cursor_pos {
self.view.update(temp, context);
} else if self.unfocused {
self.view = MailView::new(temp, None, None, context);
}
}
}
fn redraw_threads_list(
&mut self,
context: &Context,
items: Box<dyn Iterator<Item = ThreadHash>>,
) {
let account = &context.accounts[self.cursor_pos.0];
let threads = &account.collection.threads[&self.cursor_pos.1];
let roots = items
.filter_map(|r| threads.groups[&r].root().map(|r| r.root))
.collect::<_>();
let thread_nodes: &HashMap<ThreadNodeHash, ThreadNode> = &threads.thread_nodes();
let env_hash_iter = Box::new(
threads
.threads_group_iter(roots)
.filter_map(|(_, thread_node_hash, _)| {
let thread_node = &thread_nodes[&thread_node_hash];
thread_node.message()
})
.collect::<SmallVec<[EnvelopeHash; 2048]>>()
.into_iter(),
) as Box<dyn Iterator<Item = EnvelopeHash>>;
self.redraw_list(context, env_hash_iter);
}
}
impl ListingTrait for PlainListing {
fn coordinates(&self) -> (usize, MailboxHash) {
(self.new_cursor_pos.0, self.new_cursor_pos.1)
}
fn set_coordinates(&mut self, coordinates: (usize, MailboxHash)) {
self.new_cursor_pos = (coordinates.0, coordinates.1, 0);
self.unfocused = false;
self.view = MailView::default();
self.filtered_selection.clear();
self.filtered_order.clear();
self.filter_term.clear();
self.row_updates.clear();
}
fn highlight_line(&mut self, grid: &mut CellBuffer, area: Area, idx: usize, context: &Context) {
if self.length == 0 {
return;
}
let i = self.get_env_under_cursor(idx, context);
let account = &context.accounts[self.cursor_pos.0];
let envelope: EnvelopeRef = account.collection.get_env(i);
let fg_color = if !envelope.is_seen() {
if idx % 2 == 0 {
self.color_cache.even_unseen.fg
} else {
self.color_cache.odd_unseen.fg
}
} else if self.cursor_pos.2 == idx {
if idx % 2 == 0 {
self.color_cache.even_highlighted.fg
} else {
self.color_cache.odd_highlighted.fg
}
} else if idx % 2 == 0 {
self.color_cache.even.fg
} else {
self.color_cache.odd.fg
};
let bg_color = if self.cursor_pos.2 == idx {
if idx % 2 == 0 {
self.color_cache.even_highlighted.bg
} else {
self.color_cache.odd_highlighted.bg
}
} else if self.selection[&i] {
if idx % 2 == 0 {
self.color_cache.even_selected.bg
} else {
self.color_cache.odd_selected.bg
}
} else if !envelope.is_seen() {
if idx % 2 == 0 {
self.color_cache.even_unseen.bg
} else {
self.color_cache.odd_unseen.bg
}
} else if idx % 2 == 0 {
self.color_cache.even.bg
} else {
self.color_cache.odd.bg
};
let attrs = if self.cursor_pos.2 == idx {
if idx % 2 == 0 {
self.color_cache.even_highlighted.attrs
} else {
self.color_cache.odd_highlighted.attrs
}
} else if self.selection[&i] {
if idx % 2 == 0 {
self.color_cache.even_selected.attrs
} else {
self.color_cache.odd_selected.attrs
}
} else if !envelope.is_seen() {
if idx % 2 == 0 {
self.color_cache.even_unseen.attrs
} else {
self.color_cache.odd_unseen.attrs
}
} else if idx % 2 == 0 {
self.color_cache.even.attrs
} else {
self.color_cache.odd.attrs
};
let (upper_left, bottom_right) = area;
let x = get_x(upper_left)
+ self.data_columns.widths[0]
+ self.data_columns.widths[1]
+ self.data_columns.widths[2]
+ 3 * 2;
for c in grid.row_iter(
get_x(upper_left)..(get_x(bottom_right) + 1),
get_y(upper_left),
) {
grid[c].set_fg(fg_color).set_bg(bg_color).set_attrs(attrs);
}
copy_area(
grid,
&self.data_columns.columns[3],
(set_x(upper_left, x), bottom_right),
(
(0, idx),
pos_dec(self.data_columns.columns[3].size(), (1, 1)),
),
);
for c in grid.row_iter(x..(x + self.data_columns.widths[3]), get_y(upper_left)) {
grid[c].set_bg(bg_color).set_attrs(attrs);
}
}
/// 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.cursor_pos.0 != self.new_cursor_pos.0
{
self.refresh_mailbox(context, false);
}
let upper_left = upper_left!(area);
let bottom_right = bottom_right!(area);
if self.length == 0 {
clear_area(grid, area, self.color_cache.theme_default);
copy_area(
grid,
&self.data_columns.columns[0],
area,
((0, 0), pos_dec(self.data_columns.columns[0].size(), (1, 1))),
);
context.dirty_areas.push_back(area);
return;
}
let rows = get_y(bottom_right) - get_y(upper_left) + 1;
if rows == 0 {
return;
}
if let Some(mvm) = self.movement.take() {
match mvm {
PageMovement::Up(amount) => {
self.new_cursor_pos.2 = self.new_cursor_pos.2.saturating_sub(amount);
}
PageMovement::PageUp(multiplier) => {
self.new_cursor_pos.2 = self.new_cursor_pos.2.saturating_sub(rows * multiplier);
}
PageMovement::Down(amount) => {
if self.new_cursor_pos.2 + amount + 1 < self.length {
self.new_cursor_pos.2 += amount;
} else {
self.new_cursor_pos.2 = self.length - 1;
}
}
PageMovement::PageDown(multiplier) => {
if self.new_cursor_pos.2 + rows * multiplier + 1 < self.length {
self.new_cursor_pos.2 += rows * multiplier;
} else if self.new_cursor_pos.2 + rows * multiplier > self.length {
self.new_cursor_pos.2 = self.length - 1;
} else {
self.new_cursor_pos.2 = (self.length / rows) * rows;
}
}
PageMovement::Right(_) | PageMovement::Left(_) => {}
PageMovement::Home => {
self.new_cursor_pos.2 = 0;
}
PageMovement::End => {
if self.new_cursor_pos.2 + rows > self.length {
self.new_cursor_pos.2 = self.length - 1;
} else {
self.new_cursor_pos.2 = (self.length / rows) * rows;
}
}
}
}
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] {
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;
}
if self.new_cursor_pos.2 >= self.length {
self.new_cursor_pos.2 = self.length - 1;
self.cursor_pos.2 = self.new_cursor_pos.2;
}
let width = width!(area);
self.data_columns.widths = Default::default();
self.data_columns.widths[0] = self.data_columns.columns[0].size().0;
self.data_columns.widths[1] = self.data_columns.columns[1].size().0; /* date*/
self.data_columns.widths[2] = self.data_columns.columns[2].size().0; /* from */
self.data_columns.widths[3] = self.data_columns.columns[3].size().0; /* flags */
self.data_columns.widths[4] = self.data_columns.columns[4].size().0; /* subject */
let min_col_width = std::cmp::min(
15,
std::cmp::min(self.data_columns.widths[4], self.data_columns.widths[2]),
);
if self.data_columns.widths[0] + self.data_columns.widths[1] + 3 * min_col_width + 8 > width
{
let remainder = width
.saturating_sub(self.data_columns.widths[0])
.saturating_sub(self.data_columns.widths[1])
.saturating_sub(4);
self.data_columns.widths[2] = remainder / 6;
self.data_columns.widths[4] =
((2 * remainder) / 3).saturating_sub(self.data_columns.widths[3]);
} else {
let remainder = width
.saturating_sub(self.data_columns.widths[0])
.saturating_sub(self.data_columns.widths[1])
.saturating_sub(8);
if min_col_width + self.data_columns.widths[4] > remainder {
self.data_columns.widths[4] = remainder
.saturating_sub(min_col_width)
.saturating_sub(self.data_columns.widths[3]);
self.data_columns.widths[2] = min_col_width;
}
}
clear_area(grid, area, self.color_cache.theme_default);
/* Page_no has changed, so draw new page */
let mut x = get_x(upper_left);
let mut flag_x = 0;
for i in 0..self.data_columns.columns.len() {
let column_width = self.data_columns.columns[i].size().0;
if i == 3 {
flag_x = x;
}
if self.data_columns.widths[i] == 0 {
continue;
}
copy_area(
grid,
&self.data_columns.columns[i],
(
set_x(upper_left, x),
set_x(
bottom_right,
std::cmp::min(get_x(bottom_right), x + (self.data_columns.widths[i])),
),
),
(
(0, top_idx),
(column_width.saturating_sub(1), self.length - 1),
),
);
x += self.data_columns.widths[i] + 2; // + SEPARATOR
if x > get_x(bottom_right) {
break;
}
}
for r in 0..cmp::min(self.length - top_idx, rows) {
let (fg_color, bg_color) = {
let c = &self.data_columns.columns[0][(0, r + top_idx)];
(c.fg(), c.bg())
};
change_colors(
grid,
(
pos_inc(upper_left, (0, r)),
(flag_x.saturating_sub(1), get_y(upper_left) + r),
),
fg_color,
bg_color,
);
for c in grid.row_iter(
flag_x
..std::cmp::min(
get_x(bottom_right),
flag_x + 2 + self.data_columns.widths[3],
),
get_y(upper_left) + r,
) {
grid[c].set_bg(bg_color);
}
change_colors(
grid,
(
(
flag_x + 2 + self.data_columns.widths[3],
get_y(upper_left) + r,
),
(get_x(bottom_right), get_y(upper_left) + r),
),
fg_color,
bg_color,
);
}
/* TODO: highlight selected entries */
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,
);
if top_idx + rows > self.length {
clear_area(
grid,
(
pos_inc(upper_left, (0, self.length - top_idx)),
bottom_right,
),
self.color_cache.theme_default,
);
}
context.dirty_areas.push_back(area);
}
fn filter(
&mut self,
filter_term: String,
results: Result<SmallVec<[EnvelopeHash; 512]>>,
context: &Context,
) {
if filter_term.is_empty() {
return;
}
self.order.clear();
self.selection.clear();
self.length = 0;
self.filtered_selection.clear();
self.filtered_order.clear();
self.filter_term = filter_term;
self.row_updates.clear();
for v in self.selection.values_mut() {
*v = false;
}
let account = &context.accounts[self.cursor_pos.0];
match results {
Ok(results) => {
for env_hash in results {
if !account.collection.contains_key(&env_hash) {
continue;
}
if self.filtered_order.contains_key(&env_hash) {
continue;
}
if self.all_envelopes.contains(&env_hash) {
self.filtered_selection.push(env_hash);
self.filtered_order
.insert(env_hash, self.filtered_selection.len() - 1);
}
}
if !self.filtered_selection.is_empty() {
self.new_cursor_pos.2 =
std::cmp::min(self.filtered_selection.len() - 1, self.cursor_pos.2);
} else {
let default_cell = {
let mut ret = Cell::with_char(' ');
ret.set_fg(self.color_cache.theme_default.fg)
.set_bg(self.color_cache.theme_default.bg)
.set_attrs(self.color_cache.theme_default.attrs);
ret
};
self.data_columns.columns[0] =
CellBuffer::new_with_context(0, 0, default_cell, context);
}
self.redraw_list(
context,
Box::new(self.filtered_selection.clone().into_iter())
as Box<dyn Iterator<Item = EnvelopeHash>>,
);
}
Err(e) => {
self.cursor_pos.2 = 0;
self.new_cursor_pos.2 = 0;
let message = format!(
"Encountered an error while searching for `{}`: {}.",
&self.filter_term, e
);
log(
format!("Failed to search for term {}: {}", &self.filter_term, e),
ERROR,
);
let default_cell = {
let mut ret = Cell::with_char(' ');
ret.set_fg(self.color_cache.theme_default.fg)
.set_bg(self.color_cache.theme_default.bg)
.set_attrs(self.color_cache.theme_default.attrs);
ret
};
self.data_columns.columns[0] =
CellBuffer::new_with_context(message.len(), 1, default_cell, context);
write_string_to_grid(
&message,
&mut self.data_columns.columns[0],
self.color_cache.theme_default.fg,
self.color_cache.theme_default.bg,
self.color_cache.theme_default.attrs,
((0, 0), (message.len() - 1, 0)),
None,
);
}
}
}
fn set_movement(&mut self, mvm: PageMovement) {
self.movement = Some(mvm);
self.set_dirty(true);
}
}
impl fmt::Display for PlainListing {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "mail")
}
}
impl PlainListing {
const DESCRIPTION: &'static str = "plain listing";
pub fn new(coordinates: (usize, MailboxHash)) -> Self {
PlainListing {
cursor_pos: (0, 1, 0),
new_cursor_pos: (coordinates.0, coordinates.1, 0),
length: 0,
sort: (Default::default(), Default::default()),
subsort: (SortField::Date, SortOrder::Desc),
all_envelopes: HashSet::default(),
local_collection: Vec::new(),
thread_node_hashes: HashMap::default(),
order: HashMap::default(),
filter_term: String::new(),
search_job: None,
filtered_selection: Vec::new(),
filtered_order: HashMap::default(),
selection: HashMap::default(),
row_updates: SmallVec::new(),
_row_updates: SmallVec::new(),
data_columns: DataColumns::default(),
dirty: true,
force_draw: true,
unfocused: false,
view: MailView::default(),
color_cache: ColorCache::default(),
active_jobs: HashMap::default(),
movement: None,
id: ComponentId::new_v4(),
}
}
fn make_entry_string(&self, e: EnvelopeRef, context: &Context) -> EntryStrings {
let mut tags = String::new();
let mut colors = SmallVec::new();
let backend_lck = context.accounts[self.cursor_pos.0].backend.read().unwrap();
if let Some(t) = backend_lck.tags() {
let tags_lck = t.read().unwrap();
for t in e.labels().iter() {
if mailbox_settings!(
context[self.cursor_pos.0][&self.cursor_pos.1]
.tags
.ignore_tags
)
.contains(t)
|| !tags_lck.contains_key(t)
{
continue;
}
tags.push(' ');
tags.push_str(tags_lck.get(t).as_ref().unwrap());
tags.push(' ');
colors.push(
mailbox_settings!(context[self.cursor_pos.0][&self.cursor_pos.1].tags.colors)
.get(t)
.map(|&c| c),
);
}
if !tags.is_empty() {
tags.pop();
}
}
let mut subject = e.subject().to_string();
subject.truncate_at_boundary(150);
EntryStrings {
date: DateString(PlainListing::format_date(&e)),
subject: SubjectString(subject),
flag: FlagString(format!("{}", if e.has_attachments() { "📎" } else { "" },)),
from: FromString(address_list!((e.from()) as comma_sep_list)),
tags: TagString(tags, colors),
}
}
fn redraw_list(&mut self, context: &Context, iter: Box<dyn Iterator<Item = EnvelopeHash>>) {
let account = &context.accounts[self.cursor_pos.0];
let mailbox = &account[&self.cursor_pos.1];
self.order.clear();
self.selection.clear();
self.length = 0;
let mut rows = Vec::with_capacity(1024);
let mut min_width = (0, 0, 0, 0, 0);
for i in iter {
if !context.accounts[self.cursor_pos.0].contains_key(i) {
debug!("key = {}", i);
debug!(
"name = {} {}",
mailbox.name(),
context.accounts[self.cursor_pos.0].name()
);
debug!("{:#?}", context.accounts);
panic!();
}
let envelope: EnvelopeRef = context.accounts[self.cursor_pos.0].collection.get_env(i);
use melib::search::QueryTrait;
if let Some(filter_query) = mailbox_settings!(
context[self.cursor_pos.0][&self.cursor_pos.1]
.listing
.filter
)
.as_ref()
{
if !envelope.is_match(filter_query) {
continue;
}
}
let entry_strings = self.make_entry_string(envelope, context);
min_width.1 = cmp::max(min_width.1, entry_strings.date.grapheme_width()); /* date */
min_width.2 = cmp::max(min_width.2, entry_strings.from.grapheme_width()); /* from */
min_width.3 = cmp::max(min_width.3, entry_strings.flag.grapheme_width()); /* flags */
min_width.4 = cmp::max(
min_width.4,
entry_strings.subject.grapheme_width() + 1 + entry_strings.tags.grapheme_width(),
); /* tags + subject */
rows.push(entry_strings);
self.order.insert(i, self.length);
self.selection.insert(i, false);
self.length += 1;
}
min_width.0 = self.length.saturating_sub(1).to_string().len();
let default_cell = {
let mut ret = Cell::with_char(' ');
ret.set_fg(self.color_cache.theme_default.fg)
.set_bg(self.color_cache.theme_default.bg)
.set_attrs(self.color_cache.theme_default.attrs);
ret
};
/* index column */
self.data_columns.columns[0] =
CellBuffer::new_with_context(min_width.0, rows.len(), default_cell, context);
/* date column */
self.data_columns.columns[1] =
CellBuffer::new_with_context(min_width.1, rows.len(), default_cell, context);
/* from column */
self.data_columns.columns[2] =
CellBuffer::new_with_context(min_width.2, rows.len(), default_cell, context);
/* flags column */
self.data_columns.columns[3] =
CellBuffer::new_with_context(min_width.3, rows.len(), default_cell, context);
/* subject column */
self.data_columns.columns[4] =
CellBuffer::new_with_context(min_width.4, rows.len(), default_cell, context);
let iter = if self.filter_term.is_empty() {
Box::new(self.local_collection.iter().cloned())
as Box<dyn Iterator<Item = EnvelopeHash>>
} else {
Box::new(self.filtered_selection.iter().map(|h| *h))
as Box<dyn Iterator<Item = EnvelopeHash>>
};
let columns = &mut self.data_columns.columns;
for ((idx, i), strings) in iter.enumerate().zip(rows) {
if !context.accounts[self.cursor_pos.0].contains_key(i) {
//debug!("key = {}", i);
//debug!(
// "name = {} {}",
// mailbox.name(),
// context.accounts[self.cursor_pos.0].name()
//);
//debug!("{:#?}", context.accounts);
panic!();
}
let envelope: EnvelopeRef = context.accounts[self.cursor_pos.0].collection.get_env(i);
let row_attr = if !envelope.is_seen() {
if idx % 2 == 0 {
self.color_cache.even_unseen
} else {
self.color_cache.odd_unseen
}
} else if idx % 2 == 0 {
self.color_cache.even
} else {
self.color_cache.odd
};
let (x, _) = write_string_to_grid(
&idx.to_string(),
&mut columns[0],
row_attr.fg,
row_attr.bg,
row_attr.attrs,
((0, idx), (min_width.0, idx)),
None,
);
for c in columns[0].row_iter(x..min_width.0, idx) {
columns[0][c].set_bg(row_attr.bg).set_attrs(row_attr.attrs);
}
let (x, _) = write_string_to_grid(
&strings.date,
&mut columns[1],
row_attr.fg,
row_attr.bg,
row_attr.attrs,
((0, idx), (min_width.1, idx)),
None,
);
for c in columns[1].row_iter(x..min_width.1, idx) {
columns[1][c].set_bg(row_attr.bg).set_attrs(row_attr.attrs);
}
let (x, _) = write_string_to_grid(
&strings.from,
&mut columns[2],
row_attr.fg,
row_attr.bg,
row_attr.attrs,
((0, idx), (min_width.2, idx)),
None,
);
for c in columns[2].row_iter(x..min_width.2, idx) {
columns[2][c].set_bg(row_attr.bg).set_attrs(row_attr.attrs);
}
let (x, _) = write_string_to_grid(
&strings.flag,
&mut columns[3],
row_attr.fg,
row_attr.bg,
row_attr.attrs,
((0, idx), (min_width.3, idx)),
None,
);
for c in columns[3].row_iter(x..min_width.3, idx) {
columns[3][c].set_bg(row_attr.bg).set_attrs(row_attr.attrs);
}
let (x, _) = write_string_to_grid(
&strings.subject,
&mut columns[4],
row_attr.fg,
row_attr.bg,
row_attr.attrs,
((0, idx), (min_width.4, idx)),
None,
);
let x = {
let mut x = x + 1;
for (t, &color) in strings.tags.split_whitespace().zip(strings.tags.1.iter()) {
let color = color.unwrap_or(self.color_cache.tag_default.bg);
let (_x, _) = write_string_to_grid(
t,
&mut columns[4],
self.color_cache.tag_default.fg,
color,
self.color_cache.tag_default.attrs,
((x + 1, idx), (min_width.4, idx)),
None,
);
for c in columns[4].row_iter(x..(x + 1), idx) {
columns[4][c].set_bg(color);
}
for c in columns[4].row_iter(_x..(_x + 1), idx) {
columns[4][c].set_bg(color).set_keep_bg(true);
}
for c in columns[4].row_iter((x + 1)..(_x + 1), idx) {
columns[4][c].set_keep_fg(true).set_keep_bg(true);
}
for c in columns[4].row_iter(x..(x + 1), idx) {
columns[4][c].set_keep_bg(true);
}
x = _x + 1;
}
x
};
for c in columns[4].row_iter(x..min_width.4, idx) {
columns[4][c].set_bg(row_attr.bg).set_attrs(row_attr.attrs);
}
if context.accounts[self.cursor_pos.0]
.collection
.get_env(i)
.has_attachments()
{
columns[3][(0, idx)].set_fg(Color::Byte(103));
}
}
if self.length == 0 && self.filter_term.is_empty() {
let message = format!("{} is empty", account[&self.cursor_pos.1].name());
self.data_columns.columns[0] =
CellBuffer::new_with_context(message.len(), self.length + 1, default_cell, context);
write_string_to_grid(
&message,
&mut self.data_columns.columns[0],
self.color_cache.theme_default.fg,
self.color_cache.theme_default.bg,
self.color_cache.theme_default.attrs,
((0, 0), (MAX_COLS - 1, 0)),
None,
);
}
}
fn get_env_under_cursor(&self, cursor: usize, _context: &Context) -> EnvelopeHash {
if self.filter_term.is_empty() {
self.local_collection[cursor]
} else {
self.filtered_selection[cursor]
}
}
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_or_else(|_| std::time::Duration::new(std::u64::MAX, 0));
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))
}
_ => melib::datetime::timestamp_to_string(envelope.datetime(), None),
}
}
fn perform_action(&mut self, context: &mut Context, env_hash: EnvelopeHash, a: &ListingAction) {
let account = &mut context.accounts[self.cursor_pos.0];
let hash = account.collection.get_env(env_hash).hash();
match account.operation(hash).and_then(|op| {
let mut envelope: EnvelopeRefMut = account.collection.get_env_mut(env_hash);
match a {
ListingAction::SetSeen => envelope.set_seen(op),
ListingAction::SetUnseen => envelope.set_unseen(op),
ListingAction::Delete => {
/* do nothing */
Err(MeliError::new("Delete is unimplemented"))
}
_ => unreachable!(),
}
}) {
Err(e) => {
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::DisplayMessage(
e.to_string(),
)));
}
Ok(fut) => {
let (handle, job_id) = account.job_executor.spawn_specialized(fut);
self.active_jobs.insert(job_id, handle);
}
}
self.row_updates.push(env_hash);
}
}
impl Component for PlainListing {
fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
if !self.unfocused {
if !self.is_dirty() {
return;
}
let mut area = area;
if !self.filter_term.is_empty() {
let (upper_left, bottom_right) = area;
let (x, y) = write_string_to_grid(
&format!(
"{} results for `{}` (Press ESC to exit)",
self.filtered_selection.len(),
self.filter_term
),
grid,
Color::Default,
Color::Default,
Attr::DEFAULT,
area,
Some(get_x(upper_left)),
);
clear_area(
grid,
((x, y), set_y(bottom_right, y)),
self.color_cache.theme_default,
);
context
.dirty_areas
.push_back((upper_left, set_y(bottom_right, y + 1)));
area = (set_y(upper_left, y + 1), bottom_right);
}
if !self.row_updates.is_empty() {
let (upper_left, bottom_right) = area;
while let Some(row) = self.row_updates.pop() {
let row: usize = self.order[&row];
let rows = get_y(bottom_right) - get_y(upper_left) + 1;
let page_no = (self.new_cursor_pos.2).wrapping_div(rows);
let top_idx = page_no * rows;
if row >= top_idx && row <= top_idx + rows {
let area = (
set_y(upper_left, get_y(upper_left) + (row % rows)),
set_y(bottom_right, get_y(upper_left) + (row % rows)),
);
self.highlight_line(grid, area, row, context);
context.dirty_areas.push_back(area);
}
}
if self.force_draw {
/* Draw the entire list */
self.draw_list(grid, area, context);
self.force_draw = false;
}
} else {
/* Draw the entire list */
self.draw_list(grid, area, context);
}
} else {
if self.length == 0 && self.dirty {
clear_area(grid, area, self.color_cache.theme_default);
context.dirty_areas.push_back(area);
return;
}
self.view.draw(grid, area, context);
}
self.dirty = false;
}
fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
if self.unfocused && self.view.process_event(event, context) {
return true;
}
let shortcuts = self.get_shortcuts(context);
if self.length > 0 {
match *event {
UIEvent::Input(ref k)
if !self.unfocused
&& shortcut!(k == shortcuts[PlainListing::DESCRIPTION]["open_thread"]) =>
{
let env_hash = self.get_env_under_cursor(self.cursor_pos.2, context);
let temp = (self.cursor_pos.0, self.cursor_pos.1, env_hash);
self.view = MailView::new(temp, None, None, context);
self.unfocused = true;
self.dirty = true;
return true;
}
UIEvent::Input(ref k)
if self.unfocused
&& shortcut!(k == shortcuts[PlainListing::DESCRIPTION]["exit_thread"]) =>
{
self.unfocused = false;
self.dirty = true;
/* If self.row_updates is not empty and we exit a thread, the row_update events
* will be performed but the list will not be drawn. So force a draw in any case.
* */
self.force_draw = true;
return true;
}
UIEvent::Input(ref key)
if !self.unfocused
&& shortcut!(
key == shortcuts[PlainListing::DESCRIPTION]["select_entry"]
) =>
{
let env_hash = self.get_env_under_cursor(self.cursor_pos.2, context);
self.selection.entry(env_hash).and_modify(|e| *e = !*e);
}
UIEvent::Action(ref action) => match action {
Action::SubSort(field, order) if !self.unfocused => {
debug!("SubSort {:?} , {:?}", field, order);
self.subsort = (*field, *order);
//if !self.filtered_selection.is_empty() {
// let threads = &account.collection.threads[&self.cursor_pos.1];
// threads.vec_inner_sort_by(&mut self.filtered_selection, self.sort, &account.collection);
//} else {
// self.refresh_mailbox(contex, falset);
//}
return true;
}
Action::Sort(field, order) if !self.unfocused => {
debug!("Sort {:?} , {:?}", field, order);
self.sort = (*field, *order);
return true;
}
Action::Listing(a @ ListingAction::SetSeen)
| Action::Listing(a @ ListingAction::SetUnseen)
| Action::Listing(a @ ListingAction::Delete)
if !self.unfocused =>
{
let is_selection_empty =
self.selection.values().cloned().any(std::convert::identity);
let i = [self.get_env_under_cursor(self.cursor_pos.2, context)];
let cursor_iter;
let sel_iter = if is_selection_empty {
cursor_iter = None;
Some(self.selection.iter().filter(|(_, v)| **v).map(|(k, _)| k))
} else {
cursor_iter = Some(i.iter());
None
};
let iter = sel_iter
.into_iter()
.flatten()
.chain(cursor_iter.into_iter().flatten())
.cloned();
let stack: SmallVec<[_; 8]> = SmallVec::from_iter(iter.into_iter());
for i in stack {
self.perform_action(context, i, a);
}
self.dirty = true;
for v in self.selection.values_mut() {
*v = false;
}
return true;
}
_ => {}
},
_ => {}
}
}
match *event {
UIEvent::MailboxUpdate((ref idxa, ref idxf))
if (*idxa, *idxf) == (self.new_cursor_pos.0, self.cursor_pos.1) =>
{
self.refresh_mailbox(context, false);
self.set_dirty(true);
}
UIEvent::StartupCheck(ref f) if *f == self.cursor_pos.1 => {
self.refresh_mailbox(context, false);
self.set_dirty(true);
}
UIEvent::EnvelopeRename(ref old_hash, ref new_hash) => {
let account = &context.accounts[self.cursor_pos.0];
if !account.collection.contains_key(new_hash)
|| !account.collection[&self.cursor_pos.1].contains(new_hash)
{
return false;
}
self.row_updates.push(*new_hash);
if let Some(row) = self.order.remove(old_hash) {
self.order.insert(*new_hash, row);
let selection_status = self.selection.remove(old_hash).unwrap();
self.selection.insert(*new_hash, selection_status);
for h in self.filtered_selection.iter_mut() {
if *h == *old_hash {
*h = *new_hash;
break;
}
}
}
self.dirty = true;
self.view
.process_event(&mut UIEvent::EnvelopeRename(*old_hash, *new_hash), context);
}
UIEvent::EnvelopeUpdate(ref env_hash) => {
let account = &context.accounts[self.cursor_pos.0];
if !account.collection.contains_key(env_hash)
|| !account.collection[&self.cursor_pos.1].contains(env_hash)
{
return false;
}
self.row_updates.push(*env_hash);
self.dirty = true;
self.view
.process_event(&mut UIEvent::EnvelopeUpdate(*env_hash), context);
}
UIEvent::ChangeMode(UIMode::Normal) => {
self.dirty = true;
}
UIEvent::Resize => {
self.dirty = true;
}
UIEvent::Input(Key::Esc)
if !self.unfocused
&& self.selection.values().cloned().any(std::convert::identity) =>
{
for v in self.selection.values_mut() {
*v = false;
}
self.dirty = true;
return true;
}
UIEvent::Input(Key::Esc) if !self.unfocused && !self.filter_term.is_empty() => {
self.set_coordinates((self.new_cursor_pos.0, self.new_cursor_pos.1));
self.set_dirty(true);
self.refresh_mailbox(context, false);
return true;
}
UIEvent::Action(Action::Listing(Search(ref filter_term))) if !self.unfocused => {
match context.accounts[self.cursor_pos.0].search(
filter_term,
self.sort,
self.cursor_pos.1,
) {
Ok(job) => {
let (chan, job_id) = context.accounts[self.cursor_pos.0]
.job_executor
.spawn_specialized(job);
context.accounts[self.cursor_pos.0]
.active_jobs
.insert(job_id.clone(), crate::conf::accounts::JobRequest::Search);
self.search_job = Some((filter_term.to_string(), chan, job_id));
}
Err(err) => {
context.replies.push_back(UIEvent::Notification(
Some("Could not perform search".to_string()),
err.to_string(),
Some(crate::types::NotificationType::ERROR),
));
}
};
self.set_dirty(true);
}
UIEvent::StatusEvent(StatusEvent::JobFinished(ref job_id))
if self
.search_job
.as_ref()
.map(|(_, _, j)| j == job_id)
.unwrap_or(false) =>
{
let (filter_term, mut rcvr, _job_id) = self.search_job.take().unwrap();
let results = rcvr.try_recv().unwrap().unwrap();
self.filter(filter_term, results, context);
self.set_dirty(true);
}
_ => {}
}
false
}
fn is_dirty(&self) -> bool {
self.dirty
|| if self.unfocused {
self.view.is_dirty()
} else {
false
}
}
fn set_dirty(&mut self, value: bool) {
self.dirty = value;
if self.unfocused {
self.view.set_dirty(value);
}
}
fn get_shortcuts(&self, context: &Context) -> ShortcutMaps {
let mut map = if self.unfocused {
self.view.get_shortcuts(context)
} else {
ShortcutMaps::default()
};
let config_map = context.settings.shortcuts.compact_listing.key_values();
map.insert(PlainListing::DESCRIPTION, config_map);
map
}
fn id(&self) -> ComponentId {
self.id
}
fn set_id(&mut self, id: ComponentId) {
self.id = id;
}
}