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/*
* meli - ui crate.
*
* 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::*;
mod conversations;
pub use self::conversations::*;
mod compact;
pub use self::compact::*;
mod thread;
pub use self::thread::*;
mod plain;
pub use self::plain::*;
#[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
}
#[derive(Debug)]
struct AccountMenuEntry {
name: String,
// Index in the config account vector.
index: usize,
}
pub trait MailListingTrait: ListingTrait {
fn perform_action(
&mut self,
context: &mut Context,
thread_hash: ThreadHash,
a: &ListingAction,
) {
let account = &mut context.accounts[self.coordinates().0];
let mut envs_to_set: StackVec<EnvelopeHash> = StackVec::new();
let folder_hash = account[self.coordinates().1].unwrap().folder.hash();
{
let mut stack = StackVec::new();
stack.push(thread_hash);
while let Some(thread_iter) = stack.pop() {
{
let threads = account.collection.threads.get_mut(&folder_hash).unwrap();
threads
.thread_nodes
.entry(thread_iter)
.and_modify(|t| t.set_has_unseen(false));
}
let threads = &account.collection.threads[&folder_hash];
if let Some(env_hash) = threads[&thread_iter].message() {
if !account.contains_key(env_hash) {
/* The envelope has been renamed or removed, so wait for the appropriate event to
* arrive */
continue;
}
envs_to_set.push(env_hash);
}
for c in 0..threads[&thread_iter].children().len() {
let c = threads[&thread_iter].children()[c];
stack.push(c);
}
}
}
for env_hash in envs_to_set {
let op = account.operation(env_hash);
let mut envelope: EnvelopeRefMut = account.collection.get_env_mut(env_hash);
match a {
ListingAction::SetSeen => {
if let Err(e) = envelope.set_seen(op) {
context.replies.push_back(UIEvent::StatusEvent(
StatusEvent::DisplayMessage(e.to_string()),
));
}
self.row_updates().push(thread_hash);
}
ListingAction::SetUnseen => {
if let Err(e) = envelope.set_unseen(op) {
context.replies.push_back(UIEvent::StatusEvent(
StatusEvent::DisplayMessage(e.to_string()),
));
}
}
ListingAction::Delete => {
/* do nothing */
continue;
}
ListingAction::Tag(Remove(ref tag_str)) => {
use std::collections::hash_map::DefaultHasher;
use std::hash::Hasher;
let h = {
let mut hasher = DefaultHasher::new();
hasher.write(tag_str.as_bytes());
hasher.finish()
};
let backend_lck = account.backend.write().unwrap();
if let Some(t) = backend_lck.tags() {
let mut tags_lck = t.write().unwrap();
if !tags_lck.contains_key(&h) {
tags_lck.insert(h, tag_str.to_string());
}
if let Some(pos) = envelope.labels().iter().position(|&el| el == h) {
envelope.labels_mut().remove(pos);
}
} else {
return;
}
}
ListingAction::Tag(Add(ref tag_str)) => {
use std::collections::hash_map::DefaultHasher;
use std::hash::Hasher;
let h = {
let mut hasher = DefaultHasher::new();
hasher.write(tag_str.as_bytes());
hasher.finish()
};
let backend_lck = account.backend.write().unwrap();
if let Some(t) = backend_lck.tags() {
let mut tags_lck = t.write().unwrap();
if !tags_lck.contains_key(&h) {
tags_lck.insert(h, tag_str.to_string());
}
envelope.labels_mut().push(h);
} else {
return;
}
}
_ => unreachable!(),
}
self.row_updates().push(thread_hash);
drop(envelope);
}
}
fn row_updates(&mut self) -> &mut StackVec<ThreadHash>;
fn update_line(&mut self, context: &Context, thread_hash: ThreadHash);
}
pub trait ListingTrait: Component {
fn coordinates(&self) -> (usize, usize);
fn set_coordinates(&mut self, _: (usize, usize));
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: &str, _context: &Context) {}
fn set_movement(&mut self, mvm: PageMovement);
}
#[derive(Debug)]
pub enum ListingComponent {
Plain(PlainListing),
Threaded(ThreadListing),
Compact(CompactListing),
Conversations(ConversationsListing),
}
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,
}
}
}
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,
}
}
}
impl ListingComponent {
fn set_style(&mut self, new_style: IndexStyle) {
match new_style {
IndexStyle::Plain => {
if let Plain(_) = self {
return;
}
let mut new_l = PlainListing::default();
let coors = self.coordinates();
new_l.set_coordinates((coors.0, coors.1));
*self = Plain(new_l);
}
IndexStyle::Threaded => {
if let Threaded(_) = self {
return;
}
let mut new_l = ThreadListing::default();
let coors = self.coordinates();
new_l.set_coordinates((coors.0, coors.1));
*self = Threaded(new_l);
}
IndexStyle::Compact => {
if let Compact(_) = self {
return;
}
let mut new_l = CompactListing::default();
let coors = self.coordinates();
new_l.set_coordinates((coors.0, coors.1));
*self = Compact(new_l);
}
IndexStyle::Conversations => {
if let Conversations(_) = self {
return;
}
let mut new_l = ConversationsListing::default();
let coors = self.coordinates();
new_l.set_coordinates((coors.0, coors.1));
*self = Conversations(new_l);
}
}
}
}
#[derive(Debug)]
pub struct Listing {
component: ListingComponent,
accounts: Vec<AccountMenuEntry>,
dirty: bool,
visible: bool,
cursor_pos: (usize, usize),
id: ComponentId,
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
}
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),
}
}
}
impl Component for Listing {
fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
for i in 0..context.accounts.len() {
context.is_online(i);
}
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 {
(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);
grid[(mid, i)].set_fg(Color::Default);
grid[(mid, i)].set_bg(Color::Default);
}
} else {
for i in get_y(upper_left)..=get_y(bottom_right) {
grid[(mid, i)].set_fg(Color::Default);
grid[(mid, i)].set_bg(Color::Default);
}
}
context
.dirty_areas
.push_back(((mid, get_y(upper_left)), (mid, get_y(bottom_right))));
}
if right_component_width == total_cols {
if !context.is_online(self.cursor_pos.0) {
clear_area(grid, area);
write_string_to_grid(
"offline",
grid,
Color::Byte(243),
Color::Default,
Attr::Default,
area,
None,
);
context.dirty_areas.push_back(area);
return;
}
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, get_y(bottom_right))), context);
if !context.is_online(self.cursor_pos.0) {
clear_area(grid, (set_x(upper_left, mid + 1), bottom_right));
write_string_to_grid(
"offline",
grid,
Color::Byte(243),
Color::Default,
Attr::Default,
(set_x(upper_left, mid + 1), bottom_right),
None,
);
context.dirty_areas.push_back(area);
return;
}
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 {
if self.component.process_event(event, context) {
return true;
}
let shortcuts = self.get_shortcuts(context);
match *event {
UIEvent::Input(ref k)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["next_folder"])
|| shortcut!(k == shortcuts[Listing::DESCRIPTION]["prev_folder"]) =>
{
let amount = if self.cmd_buf.is_empty() {
1
} else if let Ok(amount) = self.cmd_buf.parse::<usize>() {
self.cmd_buf.clear();
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
amount
} else {
self.cmd_buf.clear();
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
return true;
};
let folder_length = context.accounts[self.cursor_pos.0].len();
match k {
k if shortcut!(k == shortcuts[Listing::DESCRIPTION]["next_folder"])
&& folder_length > 0 =>
{
if self.cursor_pos.1 + amount < folder_length {
self.cursor_pos.1 += amount;
self.component
.set_coordinates((self.cursor_pos.0, self.cursor_pos.1));
self.set_dirty();
} else {
return true;
}
}
k if shortcut!(k == shortcuts[Listing::DESCRIPTION]["prev_folder"]) => {
if self.cursor_pos.1 >= amount {
self.cursor_pos.1 -= amount;
self.component
.set_coordinates((self.cursor_pos.0, self.cursor_pos.1));
self.set_dirty();
} else {
return true;
}
}
_ => return false,
}
let folder_hash =
context.accounts[self.cursor_pos.0].folders_order[self.cursor_pos.1];
/* Check if per-folder configuration overrides general configuration */
if let Some(index_style) = context
.accounts
.get(self.cursor_pos.0)
.and_then(|account| account.folder_confs(folder_hash).conf_override.index_style)
{
self.component.set_style(index_style);
} else if let Some(index_style) = context
.accounts
.get(self.cursor_pos.0)
.and_then(|account| Some(account.settings.conf.index_style()))
{
self.component.set_style(index_style);
}
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::UpdateStatus(
self.get_status(context).unwrap(),
)));
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();
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
amount
} else {
self.cmd_buf.clear();
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);
self.component.set_coordinates((self.cursor_pos.0, 0));
self.set_dirty();
} 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);
self.component.set_coordinates((self.cursor_pos.0, 0));
self.set_dirty();
} else {
return true;
}
}
_ => return false,
}
/* Account might have no folders yet if it's offline */
if let Some(&folder_hash) = context.accounts[self.cursor_pos.0]
.folders_order
.get(self.cursor_pos.1)
{
/* Check if per-folder configuration overrides general configuration */
if let Some(index_style) =
context.accounts.get(self.cursor_pos.0).and_then(|account| {
account.folder_confs(folder_hash).conf_override.index_style
})
{
self.component.set_style(index_style);
} else if let Some(index_style) = context
.accounts
.get(self.cursor_pos.0)
.and_then(|account| Some(account.settings.conf.index_style()))
{
self.component.set_style(index_style);
}
}
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::UpdateStatus(
self.get_status(context).unwrap(),
)));
return true;
}
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;
}
_ => {}
},
UIEvent::RefreshMailbox((idxa, folder_hash)) => {
self.cursor_pos = (
idxa,
context.accounts[idxa]
.folders_order
.iter()
.position(|&h| h == folder_hash)
.unwrap_or(0),
);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::UpdateStatus(
self.get_status(context).unwrap(),
)));
self.dirty = true;
}
UIEvent::ChangeMode(UIMode::Normal) => {
self.dirty = true;
}
UIEvent::Resize => {
self.set_dirty();
}
UIEvent::Input(Key::Up) => {
let amount = if self.cmd_buf.is_empty() {
1
} else if let Ok(amount) = self.cmd_buf.parse::<usize>() {
self.cmd_buf.clear();
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
amount
} else {
self.cmd_buf.clear();
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
return true;
};
self.component.set_movement(PageMovement::Up(amount));
return true;
}
UIEvent::Input(Key::Down) => {
let amount = if self.cmd_buf.is_empty() {
1
} else if let Ok(amount) = self.cmd_buf.parse::<usize>() {
self.cmd_buf.clear();
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
amount
} else {
self.cmd_buf.clear();
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();
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
mult
} else {
self.cmd_buf.clear();
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();
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufClear));
mult
} else {
self.cmd_buf.clear();
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 k)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["toggle_menu_visibility"]) =>
{
self.menu_visibility = !self.menu_visibility;
self.set_dirty();
}
UIEvent::Input(ref k)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["new_mail"]) =>
{
context
.replies
.push_back(UIEvent::Action(Tab(NewDraft(self.cursor_pos.0, None))));
return true;
}
UIEvent::Input(ref key)
if shortcut!(key == shortcuts[Listing::DESCRIPTION]["search"]) =>
{
context
.replies
.push_back(UIEvent::ExInput(Key::Paste("filter ".to_string())));
context
.replies
.push_back(UIEvent::ChangeMode(UIMode::Execute));
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.component.process_event(&mut event, context) {
return true;
}
}
UIEvent::StartupCheck(_) => {
self.dirty = true;
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::UpdateStatus(
self.get_status(context).unwrap(),
)));
}
UIEvent::MailboxUpdate(_) => {
self.dirty = true;
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::UpdateStatus(
self.get_status(context).unwrap(),
)));
}
UIEvent::Input(Key::Esc) | UIEvent::Input(Key::Alt('')) => {
self.cmd_buf.clear();
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);
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::BufSet(
self.cmd_buf.clone(),
)));
return true;
}
_ => {}
}
false
}
fn is_dirty(&self) -> bool {
self.dirty || self.component.is_dirty()
}
fn set_dirty(&mut self) {
self.dirty = true;
self.component.set_dirty();
}
fn get_shortcuts(&self, context: &Context) -> ShortcutMaps {
let mut map = self.component.get_shortcuts(context);
let config_map = context.settings.shortcuts.listing.key_values();
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) -> Option<String> {
Some({
let folder_hash = if let Some(h) = context.accounts[self.cursor_pos.0]
.folders_order
.get(self.cursor_pos.1)
{
*h
} else {
return Some(String::new());
};
if !context.accounts[self.cursor_pos.0].folders[&folder_hash].is_available() {
return Some(String::new());
}
let account = &context.accounts[self.cursor_pos.0];
let m = if account[self.cursor_pos.1].is_available() {
account[self.cursor_pos.1].unwrap()
} else {
return Some(String::new());
};
let envelopes = account.collection.envelopes.clone();
let envelopes = envelopes.read().unwrap();
format!(
"Mailbox: {}, Messages: {}, New: {}",
m.folder.name(),
m.envelopes.len(),
m.envelopes
.iter()
.map(|h| &envelopes[&h])
.filter(|e| !e.is_seen())
.count()
)
})
}
}
impl From<IndexStyle> for ListingComponent {
fn from(index_style: IndexStyle) -> Self {
match index_style {
IndexStyle::Plain => Plain(Default::default()),
IndexStyle::Threaded => Threaded(Default::default()),
IndexStyle::Compact => Compact(Default::default()),
IndexStyle::Conversations => Conversations(Default::default()),
}
}
}
impl Listing {
const DESCRIPTION: &'static str = "listing";
pub fn new(accounts: &[Account]) -> Self {
let account_entries = accounts
.iter()
.enumerate()
.map(|(i, a)| AccountMenuEntry {
name: a.name().to_string(),
index: i,
})
.collect();
/* Check if per-folder configuration overrides general configuration */
let component = if let Some(index_style) = accounts.get(0).and_then(|account| {
account.folders_order.get(0).and_then(|folder_hash| {
account.folder_confs(*folder_hash).conf_override.index_style
})
}) {
ListingComponent::from(index_style)
} else if let Some(index_style) = accounts
.get(0)
.and_then(|account| Some(account.settings.conf.index_style()))
{
ListingComponent::from(index_style)
} else {
Conversations(Default::default())
};
Listing {
component,
accounts: account_entries,
visible: true,
dirty: true,
cursor_pos: (0, 0),
id: ComponentId::new_v4(),
show_divider: false,
menu_visibility: true,
ratio: 90,
cmd_buf: String::with_capacity(4),
}
}
fn draw_menu(&mut self, grid: &mut CellBuffer, mut area: Area, context: &mut Context) {
if !self.is_dirty() {
return;
}
clear_area(grid, area);
/* 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 entries: FnvHashMap<FolderHash, Folder> = context.accounts[a.index]
.list_folders()
.into_iter()
.map(|f| (f.hash(), f))
.collect();
let folders_order: FnvHashMap<FolderHash, usize> = context.accounts[a.index]
.folders_order()
.iter()
.enumerate()
.map(|(i, &fh)| (fh, i))
.collect();
let upper_left = upper_left!(area);
let bottom_right = bottom_right!(area);
let must_highlight_account: bool = self.cursor_pos.0 == a.index;
let mut inc = 0;
let mut depth = 0;
let mut lines: Vec<(usize, usize, FolderHash, Option<usize>)> = Vec::new();
/* Gather the folder tree structure in `lines` recursively */
fn print(
folder_idx: FolderHash,
depth: &mut usize,
inc: &mut usize,
entries: &FnvHashMap<FolderHash, Folder>,
folders_order: &FnvHashMap<FolderHash, usize>,
lines: &mut Vec<(usize, usize, FolderHash, Option<usize>)>,
index: usize, //account index
context: &mut Context,
) {
match context.accounts[index].status(entries[&folder_idx].hash()) {
Ok(_) => {
let account = &context.accounts[index];
let count = account[entries[&folder_idx].hash()]
.unwrap()
.envelopes
.iter()
.filter_map(|&h| {
if account.collection.get_env(h).is_seen() {
None
} else {
Some(())
}
})
.count();
lines.push((*depth, *inc, folder_idx, Some(count)));
}
Err(_) => {
lines.push((*depth, *inc, folder_idx, None));
}
}
*inc += 1;
let mut children: Vec<FolderHash> = entries[&folder_idx].children().to_vec();
children
.sort_unstable_by(|a, b| folders_order[a].partial_cmp(&folders_order[b]).unwrap());
*depth += 1;
for child in children {
print(
child,
depth,
inc,
entries,
folders_order,
lines,
index,
context,
);
}
*depth -= 1;
}
let mut keys = entries.keys().cloned().collect::<Vec<FolderHash>>();
keys.sort_unstable_by(|a, b| folders_order[a].partial_cmp(&folders_order[b]).unwrap());
/* Start with roots */
for f in keys {
if entries[&f].parent().is_none() {
print(
f,
&mut depth,
&mut inc,
&entries,
&folders_order,
&mut lines,
a.index,
context,
);
}
}
/* Print account name first */
write_string_to_grid(
&a.name,
grid,
Color::Default,
Color::Default,
Attr::Bold,
area,
None,
);
if lines.is_empty() {
write_string_to_grid(
"offline",
grid,
Color::Byte(243),
Color::Default,
Attr::Default,
(pos_inc(upper_left, (0, 1)), bottom_right),
None,
);
return 0;
}
let lines_len = lines.len();
let mut idx = 0;
for y in get_y(upper_left) + 1..get_y(bottom_right) {
if idx == lines_len {
break;
}
let (fg_color, bg_color) = if must_highlight_account {
if self.cursor_pos.1 == idx {
(Color::Byte(233), Color::Byte(15))
} else {
(Color::Byte(15), Color::Byte(233))
}
} else {
(Color::Default, Color::Default)
};
let (depth, inc, folder_idx, count) = lines[idx];
/* Calculate how many columns the folder index tags should occupy with right alignment,
* eg.
* 1
* 2
* ...
* 9
* 10
*/
let total_folder_no_digits = {
let mut len = lines_len;
let mut ctr = 1;
while len > 9 {
ctr += 1;
len /= 10;
}
ctr
};
let (x, _) = write_string_to_grid(
&format!("{:>width$}", inc, width = total_folder_no_digits),
grid,
Color::Byte(243),
bg_color,
Attr::Default,
(set_y(upper_left, y), bottom_right),
None,
);
let (x, _) = write_string_to_grid(
&" ".repeat(depth + 1),
grid,
fg_color,
bg_color,
Attr::Default,
((x, y), bottom_right),
None,
);
let (x, _) = write_string_to_grid(
entries[&folder_idx].name(),
grid,
fg_color,
bg_color,
Attr::Default,
((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,
fg_color,
bg_color,
if count.unwrap_or(0) > 0 {
Attr::Bold
} else {
Attr::Default
},
(
(
/* Hide part of folder 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,
);
change_colors(grid, ((x, y), set_y(bottom_right, y)), fg_color, bg_color);
idx += 1;
}
if idx == 0 {
0
} else {
idx - 1
}
}
}