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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::*;
use crate::conf::accounts::JobRequest;
use crate::types::segment_tree::SegmentTree;
use melib::backends::EnvelopeHashBatch;
use smallvec::SmallVec;
use std::collections::{HashMap, HashSet};
use std::convert::TryFrom;
use std::ops::{Deref, DerefMut};
mod conversations;
pub use self::conversations::*;
mod compact;
pub use self::compact::*;
mod thread;
pub use self::thread::*;
mod plain;
pub use self::plain::*;
mod offline;
pub use self::offline::*;
#[derive(Debug, Copy, PartialEq, Clone)]
pub enum Modifier {
SymmetricDifference,
Union,
Difference,
Intersection,
}
impl Default for Modifier {
fn default() -> Self {
Modifier::SymmetricDifference
}
}
#[derive(Debug, Default, Clone)]
pub struct DataColumns {
pub columns: [CellBuffer; 12],
pub widths: [usize; 12], // widths of columns calculated in first draw and after size changes
pub segment_tree: [SegmentTree; 12],
}
#[derive(Debug, Default)]
/// Save theme colors to avoid looking them up again and again from settings
struct ColorCache {
theme_default: ThemeAttribute,
unseen: ThemeAttribute,
highlighted: ThemeAttribute,
selected: ThemeAttribute,
even: ThemeAttribute,
odd: ThemeAttribute,
even_unseen: ThemeAttribute,
even_highlighted: ThemeAttribute,
even_selected: ThemeAttribute,
odd_unseen: ThemeAttribute,
odd_highlighted: ThemeAttribute,
odd_selected: ThemeAttribute,
attachment_flag: ThemeAttribute,
thread_snooze_flag: ThemeAttribute,
tag_default: ThemeAttribute,
/* Conversations */
subject: ThemeAttribute,
from: ThemeAttribute,
date: ThemeAttribute,
padding: ThemeAttribute,
unseen_padding: ThemeAttribute,
}
#[derive(Debug)]
pub(super) struct EntryStrings {
pub(super) date: DateString,
pub(super) subject: SubjectString,
pub(super) flag: FlagString,
pub(super) from: FromString,
pub(super) tags: TagString,
}
#[macro_export]
/// Creates a comma separated list `String` out of an `Address` iterable.
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
}};
}
macro_rules! column_str {
(
struct $name:ident($($t:ty),+)) => {
#[derive(Debug)]
pub(super) struct $name($(pub $t),+);
impl Deref for $name {
type Target = String;
fn deref(&self) -> &String {
&self.0
}
}
impl DerefMut for $name {
fn deref_mut(&mut self) -> &mut String {
&mut self.0
}
}
};
}
column_str!(struct DateString(String));
column_str!(struct FromString(String));
column_str!(struct SubjectString(String));
column_str!(struct FlagString(String));
column_str!(struct TagString(String, SmallVec<[Option<Color>; 8]>));
#[derive(Debug)]
struct AccountMenuEntry {
name: String,
hash: AccountHash,
index: usize,
entries: SmallVec<[(usize, u32, bool, MailboxHash); 16]>,
}
pub trait MailListingTrait: ListingTrait {
fn perform_action(
&mut self,
context: &mut Context,
thread_hashes: SmallVec<[ThreadHash; 8]>,
a: &ListingAction,
) {
let account_hash = self.coordinates().0;
let account = &mut context.accounts[&account_hash];
let mut envs_to_set: SmallVec<[EnvelopeHash; 8]> = SmallVec::new();
let mailbox_hash = self.coordinates().1;
{
let threads_lck = account.collection.get_threads(mailbox_hash);
for thread_hash in thread_hashes {
for (_, h) in threads_lck.thread_group_iter(thread_hash) {
envs_to_set.push(threads_lck.thread_nodes()[&h].message().unwrap());
}
self.row_updates().push(thread_hash);
}
}
if envs_to_set.is_empty() {
return;
}
let env_hashes = EnvelopeHashBatch::try_from(envs_to_set.as_slice()).unwrap();
match a {
ListingAction::SetSeen => {
let job = account.backend.write().unwrap().set_flags(
env_hashes.clone(),
mailbox_hash,
smallvec::smallvec![(Ok(Flag::SEEN), true)],
);
match job {
Err(err) => {
context.replies.push_back(UIEvent::StatusEvent(
StatusEvent::DisplayMessage(err.to_string()),
));
}
Ok(fut) => {
let handle = account.job_executor.spawn_specialized(fut);
account
.insert_job(handle.job_id, JobRequest::SetFlags { env_hashes, handle });
}
}
}
ListingAction::SetUnseen => {
let job = account.backend.write().unwrap().set_flags(
env_hashes.clone(),
mailbox_hash,
smallvec::smallvec![(Ok(Flag::SEEN), false)],
);
match job {
Err(err) => {
context.replies.push_back(UIEvent::StatusEvent(
StatusEvent::DisplayMessage(err.to_string()),
));
}
Ok(fut) => {
let handle = account.job_executor.spawn_specialized(fut);
account
.insert_job(handle.job_id, JobRequest::SetFlags { env_hashes, handle });
}
}
}
ListingAction::Tag(Remove(ref tag_str)) => {
let job = account.backend.write().unwrap().set_flags(
env_hashes.clone(),
mailbox_hash,
smallvec::smallvec![(Err(tag_str.to_string()), false)],
);
match job {
Err(err) => {
context.replies.push_back(UIEvent::StatusEvent(
StatusEvent::DisplayMessage(err.to_string()),
));
}
Ok(fut) => {
let handle = account.job_executor.spawn_specialized(fut);
account
.insert_job(handle.job_id, JobRequest::SetFlags { env_hashes, handle });
}
}
}
ListingAction::Tag(Add(ref tag_str)) => {
let job = account.backend.write().unwrap().set_flags(
env_hashes.clone(),
mailbox_hash,
smallvec::smallvec![(Err(tag_str.to_string()), true)],
);
match job {
Err(err) => {
context.replies.push_back(UIEvent::StatusEvent(
StatusEvent::DisplayMessage(err.to_string()),
));
}
Ok(fut) => {
let handle = account.job_executor.spawn_specialized(fut);
account
.insert_job(handle.job_id, JobRequest::SetFlags { env_hashes, handle });
}
}
}
ListingAction::Delete => {
let job = account
.backend
.write()
.unwrap()
.delete_messages(env_hashes.clone(), mailbox_hash);
match job {
Err(err) => {
context.replies.push_back(UIEvent::StatusEvent(
StatusEvent::DisplayMessage(err.to_string()),
));
}
Ok(fut) => {
let handle = account.job_executor.spawn_specialized(fut);
account.insert_job(
handle.job_id,
JobRequest::DeleteMessages { env_hashes, handle },
);
}
}
}
ListingAction::CopyTo(ref mailbox_path) => {
match account
.mailbox_by_path(mailbox_path)
.and_then(|destination_mailbox_hash| {
account.backend.write().unwrap().copy_messages(
env_hashes,
mailbox_hash,
destination_mailbox_hash,
/* move? */ false,
)
}) {
Err(err) => {
context.replies.push_back(UIEvent::StatusEvent(
StatusEvent::DisplayMessage(err.to_string()),
));
}
Ok(fut) => {
let handle = account.job_executor.spawn_specialized(fut);
account.insert_job(
handle.job_id,
JobRequest::Generic {
name: "message copying".into(),
handle,
on_finish: None,
logging_level: melib::LoggingLevel::INFO,
},
);
}
}
}
ListingAction::CopyToOtherAccount(ref _account_name, ref _mailbox_path) => {
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::DisplayMessage(
"Unimplemented.".into(),
)));
}
ListingAction::MoveTo(ref mailbox_path) => {
match account
.mailbox_by_path(mailbox_path)
.and_then(|destination_mailbox_hash| {
account.backend.write().unwrap().copy_messages(
env_hashes,
mailbox_hash,
destination_mailbox_hash,
/* move? */ true,
)
}) {
Err(err) => {
context.replies.push_back(UIEvent::StatusEvent(
StatusEvent::DisplayMessage(err.to_string()),
));
}
Ok(fut) => {
let handle = account.job_executor.spawn_specialized(fut);
account.insert_job(
handle.job_id,
JobRequest::Generic {
name: "message moving".into(),
handle,
on_finish: None,
logging_level: melib::LoggingLevel::INFO,
},
);
}
}
}
ListingAction::MoveToOtherAccount(ref _account_name, ref _mailbox_path) => {
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::DisplayMessage(
"Unimplemented.".into(),
)));
}
_ => unreachable!(),
}
self.set_dirty(true);
}
fn row_updates(&mut self) -> &mut SmallVec<[ThreadHash; 8]>;
fn selection(&mut self) -> &mut HashMap<ThreadHash, bool>;
fn get_focused_items(&self, _context: &Context) -> SmallVec<[ThreadHash; 8]>;
fn redraw_threads_list(
&mut self,
context: &Context,
items: Box<dyn Iterator<Item = ThreadHash>>,
);
fn redraw_envelope_list(
&mut self,
_context: &Context,
_items: Box<dyn Iterator<Item = EnvelopeHash>>,
) {
}
/// Use `force` when there have been changes in the mailbox or account lists in `context`
fn refresh_mailbox(&mut self, context: &mut Context, force: bool);
}
pub trait ListingTrait: Component {
fn coordinates(&self) -> (AccountHash, MailboxHash);
fn set_coordinates(&mut self, _: (AccountHash, MailboxHash));
fn draw_list(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context);
fn highlight_line(&mut self, grid: &mut CellBuffer, area: Area, idx: usize, context: &Context);
fn filter(
&mut self,
_filter_term: String,
_results: Result<SmallVec<[EnvelopeHash; 512]>>,
_context: &Context,
) {
}
fn unfocused(&self) -> bool;
fn set_modifier_active(&mut self, _new_val: bool) {}
fn set_modifier_command(&mut self, _new_val: Option<Modifier>) {}
fn modifier_command(&self) -> Option<Modifier> {
None
}
fn set_movement(&mut self, mvm: PageMovement);
}
#[derive(Debug)]
pub enum ListingComponent {
Plain(PlainListing),
Threaded(ThreadListing),
Compact(CompactListing),
Conversations(ConversationsListing),
Offline(OfflineListing),
}
use crate::ListingComponent::*;
impl core::ops::Deref for ListingComponent {
type Target = dyn MailListingTrait;
fn deref(&self) -> &Self::Target {
match &self {
Compact(ref l) => l,
Plain(ref l) => l,
Threaded(ref l) => l,
Conversations(ref l) => l,
Offline(ref l) => l,
}
}
}
impl core::ops::DerefMut for ListingComponent {
fn deref_mut(&mut self) -> &mut (dyn MailListingTrait + 'static) {
match self {
Compact(l) => l,
Plain(l) => l,
Threaded(l) => l,
Conversations(l) => l,
Offline(l) => l,
}
}
}
impl ListingComponent {
fn set_style(&mut self, new_style: IndexStyle) {
match new_style {
IndexStyle::Plain => {
if let Plain(_) = self {
return;
}
*self = Plain(PlainListing::new(self.coordinates()));
}
IndexStyle::Threaded => {
if let Threaded(_) = self {
return;
}
*self = Threaded(ThreadListing::new(self.coordinates()));
}
IndexStyle::Compact => {
if let Compact(_) = self {
return;
}
*self = Compact(CompactListing::new(self.coordinates()));
}
IndexStyle::Conversations => {
if let Conversations(_) = self {
return;
}
*self = Conversations(ConversationsListing::new(self.coordinates()));
}
}
}
}
#[derive(PartialEq, Debug)]
enum ListingFocus {
Menu,
Mailbox,
}
#[derive(Debug)]
pub struct Listing {
component: ListingComponent,
accounts: Vec<AccountMenuEntry>,
status: Option<AccountStatus>,
dirty: bool,
visible: bool,
cursor_pos: (usize, usize),
menu_cursor_pos: (usize, usize),
startup_checks_rate: RateLimit,
id: ComponentId,
theme_default: ThemeAttribute,
show_divider: bool,
menu_visibility: bool,
cmd_buf: String,
/// This is the width of the right container to the entire width.
ratio: usize, // right/(container width) * 100
menu_width: WidgetWidth,
focus: ListingFocus,
}
impl fmt::Display for Listing {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.component {
Compact(ref l) => write!(f, "{}", l),
Plain(ref l) => write!(f, "{}", l),
Threaded(ref l) => write!(f, "{}", l),
Conversations(ref l) => write!(f, "{}", l),
Offline(ref l) => write!(f, "{}", l),
}
}
}
impl Component for Listing {
fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
if !self.is_dirty() {
return;
}
if !is_valid_area!(area) {
return;
}
let upper_left = upper_left!(area);
let bottom_right = bottom_right!(area);
let total_cols = get_x(bottom_right) - get_x(upper_left);
let right_component_width = if self.menu_visibility {
if self.focus == ListingFocus::Menu {
(self.ratio * total_cols) / 100
} else {
match self.menu_width {
WidgetWidth::Set(ref mut v) | WidgetWidth::Hold(ref mut v) => {
if *v == 0 {
*v = 1;
} else if *v >= total_cols {
*v = total_cols.saturating_sub(2);
}
total_cols.saturating_sub(*v)
}
WidgetWidth::Unset => {
self.menu_width =
WidgetWidth::Set(total_cols - ((self.ratio * total_cols) / 100));
(self.ratio * total_cols) / 100
}
}
}
} else {
total_cols
};
let mid = get_x(bottom_right) - right_component_width;
if self.dirty && mid != get_x(upper_left) {
if self.show_divider {
for i in get_y(upper_left)..=get_y(bottom_right) {
grid[(mid, i)]
.set_ch(VERT_BOUNDARY)
.set_fg(self.theme_default.fg)
.set_bg(self.theme_default.bg)
.set_attrs(self.theme_default.attrs);
}
} else {
for i in get_y(upper_left)..=get_y(bottom_right) {
grid[(mid, i)]
.set_fg(self.theme_default.fg)
.set_bg(self.theme_default.bg)
.set_attrs(self.theme_default.attrs);
}
}
context
.dirty_areas
.push_back(((mid, get_y(upper_left)), (mid, get_y(bottom_right))));
}
let account_hash = self.accounts[self.cursor_pos.0].hash;
if right_component_width == total_cols {
if context.is_online(account_hash).is_err() {
match self.component {
ListingComponent::Offline(_) => {}
_ => {
self.component = Offline(OfflineListing::new((account_hash, 0)));
}
}
}
if let Some(s) = self.status.as_mut() {
s.draw(grid, area, context);
} else {
self.component.draw(grid, area, context);
}
} else if right_component_width == 0 {
self.draw_menu(grid, area, context);
} else {
self.draw_menu(grid, (upper_left, (mid + 1, get_y(bottom_right))), context);
if context.is_online(account_hash).is_err() {
match self.component {
ListingComponent::Offline(_) => {}
_ => {
self.component = Offline(OfflineListing::new((account_hash, 0)));
}
}
}
if let Some(s) = self.status.as_mut() {
s.draw(grid, (set_x(upper_left, mid + 1), bottom_right), context);
} else {
self.component
.draw(grid, (set_x(upper_left, mid + 1), bottom_right), context);
}
}
self.dirty = false;
}
fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
match event {
UIEvent::StartupCheck(ref f) => {
if self.component.coordinates().1 == *f {
if !self.startup_checks_rate.tick() {
return false;
}
}
}
UIEvent::Timer(n) if *n == self.startup_checks_rate.id() => {
if self.startup_checks_rate.active {
self.startup_checks_rate.reset();
return self.process_event(
&mut UIEvent::StartupCheck(self.component.coordinates().1),
context,
);
}
}
UIEvent::AccountStatusChange(account_hash) => {
let account_index: usize = context
.accounts
.get_index_of(account_hash)
.expect("Invalid account_hash in UIEventMailbox{Delete,Create}");
if self.cursor_pos.0 == account_index {
self.change_account(context);
} else {
self.accounts[account_index].entries = context.accounts[&*account_hash]
.list_mailboxes()
.into_iter()
.filter(|mailbox_node| {
context.accounts[&*account_hash][&mailbox_node.hash]
.ref_mailbox
.is_subscribed()
})
.map(|f| (f.depth, f.indentation, f.has_sibling, f.hash))
.collect::<_>();
self.set_dirty(true);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::UpdateStatus(
self.get_status(context),
)));
}
return true;
}
UIEvent::MailboxDelete((account_hash, _mailbox_hash))
| UIEvent::MailboxCreate((account_hash, _mailbox_hash)) => {
let account_index = context
.accounts
.get_index_of(account_hash)
.expect("Invalid account_hash in UIEventMailbox{Delete,Create}");
self.accounts[account_index].entries = context.accounts[&*account_hash]
.list_mailboxes()
.into_iter()
.filter(|mailbox_node| {
context.accounts[&*account_hash][&mailbox_node.hash]
.ref_mailbox
.is_subscribed()
})
.map(|f| (f.depth, f.indentation, f.has_sibling, f.hash))
.collect::<_>();
if self.cursor_pos.0 == account_index {
self.cursor_pos.1 = std::cmp::min(
self.accounts[self.cursor_pos.0].entries.len() - 1,
self.cursor_pos.1,
);
self.component.set_coordinates((
self.accounts[self.cursor_pos.0].hash,
self.accounts[self.cursor_pos.0].entries[self.cursor_pos.1].3,
));
self.component.refresh_mailbox(context, true);
}
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::UpdateStatus(
self.get_status(context),
)));
self.set_dirty(true);
return true;
}
_ => {}
}
if self.focus == ListingFocus::Mailbox && self.status.is_some() {
if let Some(s) = self.status.as_mut() {
if s.process_event(event, context) {
return true;
}
}
}
if self.focus == ListingFocus::Mailbox
&& self.status.is_none()
&& self.component.process_event(event, context)
{
return true;
}
let shortcuts = self.get_shortcuts(context);
if self.focus == ListingFocus::Mailbox {
match *event {
UIEvent::Input(Key::Mouse(MouseEvent::Press(MouseButton::Left, x, _y)))
if self.menu_visibility =>
{
match self.menu_width {
WidgetWidth::Hold(wx) | WidgetWidth::Set(wx)
if wx + 1 == usize::from(x) =>
{
self.menu_width = WidgetWidth::Hold(wx - 1);
}
WidgetWidth::Set(_) => return false,
WidgetWidth::Hold(x) => {
self.menu_width = WidgetWidth::Set(x);
}
WidgetWidth::Unset => return false,
}
self.set_dirty(true);
return true;
}
UIEvent::Input(Key::Mouse(MouseEvent::Hold(x, _y))) if self.menu_visibility => {
match self.menu_width {
WidgetWidth::Hold(ref mut hx) => {
*hx = usize::from(x).saturating_sub(1);
}
_ => return false,
}
self.set_dirty(true);
return true;
}
UIEvent::Input(Key::Mouse(MouseEvent::Release(x, _y))) if self.menu_visibility => {
match self.menu_width {
WidgetWidth::Hold(_) => {
self.menu_width = WidgetWidth::Set(usize::from(x).saturating_sub(1));
}
_ => return false,
}
self.set_dirty(true);
return true;
}
UIEvent::Input(Key::Left) if self.menu_visibility => {
self.focus = ListingFocus::Menu;
self.ratio = 50;
self.set_dirty(true);
}
UIEvent::Input(ref k)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["next_mailbox"])
|| shortcut!(k == shortcuts[Listing::DESCRIPTION]["prev_mailbox"]) =>
{
let amount = if self.cmd_buf.is_empty() {
1
} else if let Ok(amount) = self.cmd_buf.parse::<usize>() {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
amount
} else {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
return true;
};
match k {
k if shortcut!(k == shortcuts[Listing::DESCRIPTION]["next_mailbox"]) => {
if self.accounts[self.cursor_pos.0]
.entries
.get(self.cursor_pos.1 + amount)
.is_some()
{
self.cursor_pos.1 += amount;
} else {
return true;
}
}
k if shortcut!(k == shortcuts[Listing::DESCRIPTION]["prev_mailbox"]) => {
if self.cursor_pos.1 >= amount {
if self.accounts[self.cursor_pos.0]
.entries
.get(self.cursor_pos.1 - amount)
.is_some()
{
self.cursor_pos.1 -= amount;
} else {
return true;
}
} else {
return true;
}
}
_ => {}
}
self.change_account(context);
return true;
}
UIEvent::Input(ref k)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["next_account"])
|| shortcut!(k == shortcuts[Listing::DESCRIPTION]["prev_account"]) =>
{
let amount = if self.cmd_buf.is_empty() {
1
} else if let Ok(amount) = self.cmd_buf.parse::<usize>() {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
amount
} else {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
return true;
};
match k {
k if shortcut!(k == shortcuts[Listing::DESCRIPTION]["next_account"]) => {
if self.cursor_pos.0 + amount < self.accounts.len() {
self.cursor_pos = (self.cursor_pos.0 + amount, 0);
} else {
return true;
}
}
k if shortcut!(k == shortcuts[Listing::DESCRIPTION]["prev_account"]) => {
if self.cursor_pos.0 >= amount {
self.cursor_pos = (self.cursor_pos.0 - amount, 0);
} else {
return true;
}
}
_ => return false,
}
self.change_account(context);
return true;
}
UIEvent::Input(ref k)
if shortcut!(
k == shortcuts[Listing::DESCRIPTION]["toggle_menu_visibility"]
) =>
{
self.menu_visibility = !self.menu_visibility;
self.set_dirty(true);
}
UIEvent::ChangeMode(UIMode::Normal) => {
self.dirty = true;
}
UIEvent::Resize => {
self.set_dirty(true);
}
UIEvent::Action(Action::ViewMailbox(ref idx)) => {
if let Some((_, _, _, mailbox_hash)) =
self.accounts[self.cursor_pos.0].entries.get(*idx)
{
let account_hash = self.accounts[self.cursor_pos.0].hash;
self.cursor_pos.1 = *idx;
self.status = None;
self.component
.set_coordinates((account_hash, *mailbox_hash));
self.set_dirty(true);
}
return true;
}
_ => {}
}
if self.status.is_none() {
match event {
UIEvent::Action(ref action) => match action {
Action::Listing(ListingAction::SetPlain) => {
self.component.set_style(IndexStyle::Plain);
return true;
}
Action::Listing(ListingAction::SetThreaded) => {
self.component.set_style(IndexStyle::Threaded);
return true;
}
Action::Listing(ListingAction::SetCompact) => {
self.component.set_style(IndexStyle::Compact);
return true;
}
Action::Listing(ListingAction::SetConversations) => {
self.component.set_style(IndexStyle::Conversations);
return true;
}
Action::Listing(ListingAction::Import(file_path, mailbox_path)) => {
let account = &mut context.accounts[self.cursor_pos.0];
if let Err(err) = account
.mailbox_by_path(&mailbox_path)
.and_then(|mailbox_hash| {
Ok((
std::fs::read(&file_path).chain_err_summary(|| {
format!("Could not read {}", file_path.display())
})?,
mailbox_hash,
))
})
.and_then(|(bytes, mailbox_hash)| {
account.save(&bytes, mailbox_hash, None)
})
{
context.replies.push_back(UIEvent::StatusEvent(
StatusEvent::DisplayMessage(err.to_string()),
));
}
return true;
}
Action::Listing(a @ ListingAction::SetSeen)
| Action::Listing(a @ ListingAction::SetUnseen)
| Action::Listing(a @ ListingAction::Delete)
| Action::Listing(a @ ListingAction::CopyTo(_))
| Action::Listing(a @ ListingAction::MoveTo(_))
| Action::Listing(a @ ListingAction::CopyToOtherAccount(_, _))
| Action::Listing(a @ ListingAction::MoveToOtherAccount(_, _))
| Action::Listing(a @ ListingAction::Tag(_)) => {
let focused = self.component.get_focused_items(context);
self.component.perform_action(context, focused, a);
let mut row_updates: SmallVec<[ThreadHash; 8]> = SmallVec::new();
for (k, v) in self.component.selection().iter_mut() {
if *v {
*v = false;
row_updates.push(*k);
}
}
}
_ => {}
},
UIEvent::Input(ref key)
if shortcut!(key == shortcuts[Listing::DESCRIPTION]["scroll_up"]) =>
{
let amount = if self.cmd_buf.is_empty() {
1
} else if let Ok(amount) = self.cmd_buf.parse::<usize>() {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
amount
} else {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
return true;
};
self.component.set_movement(PageMovement::Up(amount));
return true;
}
UIEvent::Input(ref key)
if shortcut!(key == shortcuts[Listing::DESCRIPTION]["scroll_down"]) =>
{
let amount = if self.cmd_buf.is_empty() {
1
} else if let Ok(amount) = self.cmd_buf.parse::<usize>() {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
amount
} else {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
return true;
};
self.component.set_movement(PageMovement::Down(amount));
return true;
}
UIEvent::Input(ref key)
if shortcut!(key == shortcuts[Listing::DESCRIPTION]["prev_page"]) =>
{
let mult = if self.cmd_buf.is_empty() {
1
} else if let Ok(mult) = self.cmd_buf.parse::<usize>() {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
mult
} else {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
return true;
};
self.component.set_movement(PageMovement::PageUp(mult));
return true;
}
UIEvent::Input(ref key)
if shortcut!(key == shortcuts[Listing::DESCRIPTION]["next_page"]) =>
{
let mult = if self.cmd_buf.is_empty() {
1
} else if let Ok(mult) = self.cmd_buf.parse::<usize>() {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
mult
} else {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
return true;
};
self.component.set_movement(PageMovement::PageDown(mult));
return true;
}
UIEvent::Input(ref key) if *key == Key::Home => {
self.component.set_movement(PageMovement::Home);
return true;
}
UIEvent::Input(ref key) if *key == Key::End => {
self.component.set_movement(PageMovement::End);
return true;
}
UIEvent::Input(ref key)
if shortcut!(key == shortcuts[Listing::DESCRIPTION]["search"]) =>
{
context
.replies
.push_back(UIEvent::CmdInput(Key::Paste("search ".to_string())));
context
.replies
.push_back(UIEvent::ChangeMode(UIMode::Command));
return true;
}
UIEvent::Input(ref key)
if shortcut!(key == shortcuts[Listing::DESCRIPTION]["set_seen"]) =>
{
let mut event = UIEvent::Action(Action::Listing(ListingAction::SetSeen));
if self.process_event(&mut event, context) {
return true;
}
}
UIEvent::Input(ref key)
if shortcut!(key == shortcuts[Listing::DESCRIPTION]["refresh"]) =>
{
let account = &mut context.accounts[self.cursor_pos.0];
if let Some(&mailbox_hash) = account.mailboxes_order.get(self.cursor_pos.1)
{
if let Err(err) = account.refresh(mailbox_hash) {
context.replies.push_back(UIEvent::Notification(
Some("Could not refresh.".to_string()),
err.to_string(),
Some(NotificationType::Error(err.kind)),
));
}
}
return true;
}
UIEvent::Input(ref key)
if !self.component.unfocused()
&& shortcut!(
key == shortcuts[Listing::DESCRIPTION]["union_modifier"]
)
&& self.component.modifier_command().is_some() =>
{
self.component.set_modifier_command(Some(Modifier::Union));
}
UIEvent::Input(ref key)
if !self.component.unfocused()
&& shortcut!(
key == shortcuts[Listing::DESCRIPTION]["diff_modifier"]
)
&& self.component.modifier_command().is_some() =>
{
self.component
.set_modifier_command(Some(Modifier::Difference));
}
UIEvent::Input(ref key)
if !self.component.unfocused()
&& shortcut!(
key == shortcuts[Listing::DESCRIPTION]["intersection_modifier"]
)
&& self.component.modifier_command().is_some() =>
{
self.component
.set_modifier_command(Some(Modifier::Intersection));
}
_ => {}
}
}
} else if self.focus == ListingFocus::Menu {
match *event {
UIEvent::Input(Key::Right) => {
self.focus = ListingFocus::Mailbox;
self.ratio = 90;
self.set_dirty(true);
return true;
}
UIEvent::Input(ref k)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["open_mailbox"])
&& self.menu_cursor_pos.1 == 0 =>
{
self.status = Some(AccountStatus::new(
self.menu_cursor_pos.0,
self.theme_default,
));
self.focus = ListingFocus::Mailbox;
self.ratio = 90;
return true;
}
UIEvent::Input(ref k)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["open_mailbox"]) =>
{
self.cursor_pos = self.menu_cursor_pos;
self.cursor_pos.1 = self.cursor_pos.1.saturating_sub(1);
self.status = None;
self.change_account(context);
self.focus = ListingFocus::Mailbox;
self.ratio = 90;
self.set_dirty(true);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::UpdateStatus(
self.get_status(context),
)));
return true;
}
UIEvent::Input(ref k)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["scroll_up"])
|| shortcut!(k == shortcuts[Listing::DESCRIPTION]["scroll_down"]) =>
{
let mut amount = if self.cmd_buf.is_empty() {
1
} else if let Ok(amount) = self.cmd_buf.parse::<usize>() {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
amount
} else {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
return true;
};
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["scroll_up"]) {
while amount > 0 {
if self.menu_cursor_pos.1 > 0 {
self.menu_cursor_pos.1 -= 1;
} else if self.menu_cursor_pos.0 > 0 {
self.menu_cursor_pos.0 -= 1;
self.menu_cursor_pos.1 =
self.accounts[self.menu_cursor_pos.0].entries.len();
} else {
return true;
}
amount -= 1;
}
} else if shortcut!(k == shortcuts[Listing::DESCRIPTION]["scroll_down"]) {
while amount > 0 {
if self.menu_cursor_pos.1
< self.accounts[self.menu_cursor_pos.0].entries.len()
{
self.menu_cursor_pos.1 += 1;
} else if self.menu_cursor_pos.0 + 1 < self.accounts.len() {
self.menu_cursor_pos.0 += 1;
self.menu_cursor_pos.1 = 0;
} else {
return true;
}
amount -= 1;
}
}
self.set_dirty(true);
return true;
}
UIEvent::Input(ref k)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["next_mailbox"])
|| shortcut!(k == shortcuts[Listing::DESCRIPTION]["prev_mailbox"]) =>
{
let amount = if self.cmd_buf.is_empty() {
1
} else if let Ok(amount) = self.cmd_buf.parse::<usize>() {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
amount
} else {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
return true;
};
match k {
k if shortcut!(k == shortcuts[Listing::DESCRIPTION]["next_mailbox"]) => {
if self.accounts[self.menu_cursor_pos.0]
.entries
.get(self.menu_cursor_pos.1.saturating_sub(1) + amount)
.is_some()
{
self.menu_cursor_pos.1 += amount;
self.set_dirty(true);
} else {
return true;
}
}
k if shortcut!(k == shortcuts[Listing::DESCRIPTION]["prev_mailbox"]) => {
if self.cursor_pos.1 >= amount + 1 {
if self.accounts[self.menu_cursor_pos.0]
.entries
.get(self.menu_cursor_pos.1.saturating_sub(1) - amount)
.is_some()
{
self.menu_cursor_pos.1 -= amount;
self.set_dirty(true);
} else {
return true;
}
} else {
return true;
}
}
_ => {}
}
return true;
}
UIEvent::Input(ref k)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["next_account"])
|| shortcut!(k == shortcuts[Listing::DESCRIPTION]["prev_account"])
|| shortcut!(k == shortcuts[Listing::DESCRIPTION]["next_page"])
|| shortcut!(k == shortcuts[Listing::DESCRIPTION]["prev_page"]) =>
{
let amount = if self.cmd_buf.is_empty() {
1
} else if let Ok(amount) = self.cmd_buf.parse::<usize>() {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
amount
} else {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
return true;
};
match k {
k if shortcut!(k == shortcuts[Listing::DESCRIPTION]["next_account"])
|| shortcut!(k == shortcuts[Listing::DESCRIPTION]["next_page"]) =>
{
if self.menu_cursor_pos.0 + amount < self.accounts.len() {
self.menu_cursor_pos = (self.menu_cursor_pos.0 + amount, 0);
} else {
return true;
}
}
k if shortcut!(k == shortcuts[Listing::DESCRIPTION]["prev_account"])
|| shortcut!(k == shortcuts[Listing::DESCRIPTION]["prev_page"]) =>
{
if self.menu_cursor_pos.0 >= amount {
self.menu_cursor_pos = (self.menu_cursor_pos.0 - amount, 0);
} else {
return true;
}
}
_ => return false,
}
self.set_dirty(true);
return true;
}
_ => {}
}
}
match *event {
UIEvent::Input(ref k)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["new_mail"]) =>
{
let account_hash = context.accounts[self.cursor_pos.0].hash();
let composer = Composer::with_account(account_hash, context);
context
.replies
.push_back(UIEvent::Action(Tab(New(Some(Box::new(composer))))));
return true;
}
UIEvent::StartupCheck(_)
| UIEvent::MailboxUpdate(_)
| UIEvent::EnvelopeUpdate(_)
| UIEvent::EnvelopeRename(_, _)
| UIEvent::EnvelopeRemove(_, _) => {
self.dirty = true;
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::UpdateStatus(
self.get_status(context),
)));
}
UIEvent::Input(Key::Backspace) if !self.cmd_buf.is_empty() => {
self.cmd_buf.pop();
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufSet(
self.cmd_buf.clone(),
)));
return true;
}
UIEvent::Input(Key::Esc) | UIEvent::Input(Key::Alt('')) if !self.cmd_buf.is_empty() => {
self.cmd_buf.clear();
self.component.set_modifier_active(false);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
return true;
}
UIEvent::Input(Key::Char(c)) if c >= '0' && c <= '9' => {
self.cmd_buf.push(c);
self.component.set_modifier_active(true);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufSet(
self.cmd_buf.clone(),
)));
return true;
}
_ => {}
}
false
}
fn is_dirty(&self) -> bool {
self.dirty
|| self
.status
.as_ref()
.map(Component::is_dirty)
.unwrap_or_else(|| self.component.is_dirty())
}
fn set_dirty(&mut self, value: bool) {
self.dirty = value;
if let Some(s) = self.status.as_mut() {
s.set_dirty(value);
} else {
self.component.set_dirty(value);
}
}
fn get_shortcuts(&self, context: &Context) -> ShortcutMaps {
let mut map = self.component.get_shortcuts(context);
let mut config_map = context.settings.shortcuts.listing.key_values();
if self.focus != ListingFocus::Menu {
config_map.remove("open_mailbox");
}
map.insert(Listing::DESCRIPTION, config_map);
map
}
fn id(&self) -> ComponentId {
self.component.id()
}
fn set_id(&mut self, id: ComponentId) {
self.component.set_id(id);
}
fn get_status(&self, context: &Context) -> String {
let mailbox_hash = if let Some((_, _, _, mailbox_hash)) = self.accounts[self.cursor_pos.0]
.entries
.get(self.cursor_pos.1)
{
*mailbox_hash
} else {
return String::new();
};
let account = &context.accounts[self.cursor_pos.0];
use crate::conf::accounts::MailboxStatus;
match account[&mailbox_hash].status {
MailboxStatus::Available | MailboxStatus::Parsing(_, _) => {
let (unseen, total) = account[&mailbox_hash]
.ref_mailbox
.count()
.ok()
.unwrap_or((0, 0));
format!(
"Mailbox: {}, Messages: {}, New: {}",
account[&mailbox_hash].name(),
total,
unseen
)
}
MailboxStatus::Failed(_) | MailboxStatus::None => account[&mailbox_hash].status(),
}
}
}
impl Listing {
pub const DESCRIPTION: &'static str = "listing";
pub fn new(context: &mut Context) -> Self {
let account_entries: Vec<AccountMenuEntry> = context
.accounts
.iter()
.enumerate()
.map(|(i, (h, a))| {
let entries: SmallVec<[(usize, u32, bool, MailboxHash); 16]> = a
.list_mailboxes()
.into_iter()
.filter(|mailbox_node| a[&mailbox_node.hash].ref_mailbox.is_subscribed())
.map(|f| (f.depth, f.indentation, f.has_sibling, f.hash))
.collect::<_>();
AccountMenuEntry {
name: a.name().to_string(),
hash: *h,
index: i,
entries,
}
})
.collect();
let mut ret = Listing {
component: Offline(OfflineListing::new((account_entries[0].hash, 0))),
accounts: account_entries,
status: None,
visible: true,
dirty: true,
cursor_pos: (0, 0),
menu_cursor_pos: (0, 0),
startup_checks_rate: RateLimit::new(2, 1000, context.job_executor.clone()),
theme_default: conf::value(context, "theme_default"),
id: ComponentId::new_v4(),
show_divider: false,
menu_visibility: true,
ratio: 90,
menu_width: WidgetWidth::Unset,
focus: ListingFocus::Mailbox,
cmd_buf: String::with_capacity(4),
};
ret.change_account(context);
ret
}
fn draw_menu(&mut self, grid: &mut CellBuffer, mut area: Area, context: &mut Context) {
if !self.is_dirty() {
return;
}
for row in grid.bounds_iter(area) {
for c in row {
grid[c]
.set_ch(' ')
.set_fg(self.theme_default.fg)
.set_bg(self.theme_default.bg)
.set_attrs(self.theme_default.attrs);
}
}
/* visually divide menu and listing */
area = (area.0, pos_dec(area.1, (1, 0)));
let upper_left = upper_left!(area);
let bottom_right = bottom_right!(area);
self.dirty = false;
let mut y = get_y(upper_left);
for a in &self.accounts {
y += self.print_account(grid, (set_y(upper_left, y), bottom_right), &a, context);
y += 3;
}
context.dirty_areas.push_back(area);
}
/*
* Print a single account in the menu area.
*/
fn print_account(
&self,
grid: &mut CellBuffer,
area: Area,
a: &AccountMenuEntry,
context: &mut Context,
) -> usize {
if !is_valid_area!(area) {
debug!("BUG: invalid area in print_account");
}
// Each entry and its index in the account
let mailboxes: HashMap<MailboxHash, Mailbox> = context.accounts[a.index]
.mailbox_entries
.iter()
.map(|(&hash, entry)| (hash, entry.ref_mailbox.clone()))
.collect();
let upper_left = upper_left!(area);
let bottom_right = bottom_right!(area);
let must_highlight_account: bool = (self.focus == ListingFocus::Mailbox
&& self.cursor_pos.0 == a.index)
|| (self.focus == ListingFocus::Menu && self.menu_cursor_pos.0 == a.index);
let mut lines: Vec<(usize, usize, u32, bool, MailboxHash, Option<usize>)> = Vec::new();
for (i, &(depth, indentation, has_sibling, mailbox_hash)) in a.entries.iter().enumerate() {
if mailboxes[&mailbox_hash].is_subscribed() {
match context.accounts[a.index][&mailbox_hash].status {
crate::conf::accounts::MailboxStatus::Failed(_) => {
lines.push((depth, i, indentation, has_sibling, mailbox_hash, None));
}
_ => {
lines.push((
depth,
i,
indentation,
has_sibling,
mailbox_hash,
mailboxes[&mailbox_hash].count().ok().map(|(v, _)| v),
));
}
}
}
}
let account_attrs = if must_highlight_account {
if self.focus == ListingFocus::Menu && self.menu_cursor_pos.1 == 0 {
crate::conf::value(context, "mail.sidebar_highlighted")
} else {
crate::conf::value(context, "mail.sidebar_highlighted_account_name")
}
} else {
crate::conf::value(context, "mail.sidebar_account_name")
};
/* Print account name first */
write_string_to_grid(
&a.name,
grid,
account_attrs.fg,
account_attrs.bg,
account_attrs.attrs,
area,
None,
);
if lines.is_empty() {
write_string_to_grid(
"offline",
grid,
Color::Byte(243),
self.theme_default.bg,
self.theme_default.attrs,
(pos_inc(upper_left, (0, 1)), bottom_right),
None,
);
return 0;
}
let lines_len = lines.len();
let mut idx = 0;
let mut branches = String::with_capacity(16);
for y in get_y(upper_left) + 1..get_y(bottom_right) {
if idx == lines_len {
break;
}
let (att, index_att, unread_count_att) = if must_highlight_account {
if (self.focus == ListingFocus::Mailbox && self.cursor_pos.1 == idx)
|| (self.focus == ListingFocus::Menu && self.menu_cursor_pos.1 == idx + 1)
{
let mut ret = (
crate::conf::value(context, "mail.sidebar_highlighted"),
crate::conf::value(context, "mail.sidebar_highlighted_index"),
crate::conf::value(context, "mail.sidebar_highlighted_unread_count"),
);
if !context.settings.terminal.use_color() {
ret.0.attrs |= Attr::REVERSE;
ret.1.attrs |= Attr::REVERSE;
ret.2.attrs |= Attr::REVERSE;
}
ret
} else {
(
crate::conf::value(context, "mail.sidebar_highlighted_account"),
crate::conf::value(context, "mail.sidebar_highlighted_account_index"),
crate::conf::value(
context,
"mail.sidebar_highlighted_account_unread_count",
),
)
}
} else {
(
crate::conf::value(context, "mail.sidebar"),
crate::conf::value(context, "mail.sidebar_index"),
crate::conf::value(context, "mail.sidebar_unread_count"),
)
};
let (depth, inc, indentation, has_sibling, mailbox_idx, count) = lines[idx];
/* Calculate how many columns the mailbox index tags should occupy with right alignment,
* eg.
* 1
* 2
* ...
* 9
* 10
*/
let total_mailbox_no_digits = {
let mut len = lines_len;
let mut ctr = 1;
while len > 9 {
ctr += 1;
len /= 10;
}
ctr
};
let has_sibling_str: &str =
account_settings!(context[a.hash].listing.sidebar_mailbox_tree_has_sibling)
.as_ref()
.map(|s| s.as_str())
.unwrap_or(" ");
let no_sibling_str: &str =
account_settings!(context[a.hash].listing.sidebar_mailbox_tree_no_sibling)
.as_ref()
.map(|s| s.as_str())
.unwrap_or(" ");
let has_sibling_leaf_str: &str = account_settings!(
context[a.hash]
.listing
.sidebar_mailbox_tree_has_sibling_leaf
)
.as_ref()
.map(|s| s.as_str())
.unwrap_or(" ");
let no_sibling_leaf_str: &str =
account_settings!(context[a.hash].listing.sidebar_mailbox_tree_no_sibling_leaf)
.as_ref()
.map(|s| s.as_str())
.unwrap_or(" ");
let (x, _) = write_string_to_grid(
&format!("{:>width$}", inc, width = total_mailbox_no_digits),
grid,
index_att.fg,
index_att.bg,
index_att.attrs,
(set_y(upper_left, y), bottom_right),
None,
);
{
branches.clear();
branches.push_str(no_sibling_str);
let mut o = 1;
let leading_zeros = indentation.leading_zeros();
for _ in 0..(30_u32.saturating_sub(leading_zeros)) {
if indentation & o > 0 {
branches.push_str(has_sibling_str);
} else {
branches.push_str(no_sibling_str);
}
o <<= 1;
}
if depth > 0 {
if has_sibling {
branches.push_str(has_sibling_leaf_str);
} else {
branches.push_str(no_sibling_leaf_str);
}
}
}
let (x, _) = write_string_to_grid(
&branches,
grid,
att.fg,
att.bg,
att.attrs,
((x, y), bottom_right),
None,
);
let (x, _) = write_string_to_grid(
context.accounts[a.index].mailbox_entries[&mailbox_idx].name(),
grid,
att.fg,
att.bg,
att.attrs,
((x, y), bottom_right),
None,
);
/* Unread message count */
let count_string = if let Some(c) = count {
if c > 0 {
format!(" {}", c)
} else {
String::new()
}
} else {
" ...".to_string()
};
let (x, _) = write_string_to_grid(
&count_string,
grid,
unread_count_att.fg,
unread_count_att.bg,
unread_count_att.attrs
| if count.unwrap_or(0) > 0 {
Attr::BOLD
} else {
Attr::DEFAULT
},
(
(
/* Hide part of mailbox name if need be to fit the message count */
std::cmp::min(x, get_x(bottom_right).saturating_sub(count_string.len())),
y,
),
bottom_right,
),
None,
);
for c in grid.row_iter(x..(get_x(bottom_right) + 1), y) {
grid[c].set_fg(att.fg).set_bg(att.bg).set_attrs(att.attrs);
}
idx += 1;
}
if idx == 0 {
0
} else {
idx - 1
}
}
fn change_account(&mut self, context: &mut Context) {
let account_hash = context.accounts[self.cursor_pos.0].hash();
self.accounts[self.cursor_pos.0].entries = context.accounts[self.cursor_pos.0]
.list_mailboxes()
.into_iter()
.filter(|mailbox_node| {
context.accounts[self.cursor_pos.0][&mailbox_node.hash]
.ref_mailbox
.is_subscribed()
})
.map(|f| (f.depth, f.indentation, f.has_sibling, f.hash))
.collect::<_>();
/* Account might have no mailboxes yet if it's offline */
if let Some((_, _, _, mailbox_hash)) = self.accounts[self.cursor_pos.0]
.entries
.get(self.cursor_pos.1)
{
self.component
.set_coordinates((account_hash, *mailbox_hash));
/* Check if per-mailbox configuration overrides general configuration */
let index_style =
mailbox_settings!(context[account_hash][mailbox_hash].listing.index_style);
self.component.set_style(*index_style);
} else {
/* Set to dummy */
self.component = Offline(OfflineListing::new((account_hash, 0)));
}
self.set_dirty(true);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::UpdateStatus(
self.get_status(context),
)));
self.menu_cursor_pos = self.cursor_pos;
self.menu_cursor_pos.1 += 1;
}
}