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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::components::PageMovement;
use std::cmp;
use std::convert::TryInto;
use std::fmt::Write;
macro_rules! row_attr {
($color_cache:expr, $even: expr, $unseen:expr, $highlighted:expr, $selected:expr $(,)*) => {{
ThemeAttribute {
fg: if $highlighted {
if $even {
$color_cache.even_highlighted.fg
} else {
$color_cache.odd_highlighted.fg
}
} else if $selected {
if $even {
$color_cache.even_selected.fg
} else {
$color_cache.odd_selected.fg
}
} else if $unseen {
if $even {
$color_cache.even_unseen.fg
} else {
$color_cache.odd_unseen.fg
}
} else if $even {
$color_cache.even.fg
} else {
$color_cache.odd.fg
},
bg: if $highlighted {
if $even {
$color_cache.even_highlighted.bg
} else {
$color_cache.odd_highlighted.bg
}
} else if $selected {
if $even {
$color_cache.even_selected.bg
} else {
$color_cache.odd_selected.bg
}
} else if $unseen {
if $even {
$color_cache.even_unseen.bg
} else {
$color_cache.odd_unseen.bg
}
} else if $even {
$color_cache.even.bg
} else {
$color_cache.odd.bg
},
attrs: if $highlighted {
if $even {
$color_cache.even_highlighted.attrs
} else {
$color_cache.odd_highlighted.attrs
}
} else if $selected {
if $even {
$color_cache.even_selected.attrs
} else {
$color_cache.odd_selected.attrs
}
} else if $unseen {
if $even {
$color_cache.even_unseen.attrs
} else {
$color_cache.odd_unseen.attrs
}
} else if $even {
$color_cache.even.attrs
} else {
$color_cache.odd.attrs
},
}
}};
}
/// A list of all mail (`Envelope`s) in a `Mailbox`. On `\n` it opens the `Envelope` content in a
/// `MailView`.
#[derive(Debug)]
pub struct ThreadListing {
/// (x, y, z): x is accounts, y is mailboxes, z is index inside a mailbox.
cursor_pos: (AccountHash, MailboxHash, usize),
new_cursor_pos: (AccountHash, MailboxHash, usize),
length: usize,
sort: (SortField, SortOrder),
subsort: (SortField, SortOrder),
/// Cache current view.
color_cache: ColorCache,
#[allow(clippy::type_complexity)]
search_job: Option<(
String,
crate::jobs::JoinHandle<Result<SmallVec<[EnvelopeHash; 512]>>>,
)>,
data_columns: DataColumns,
rows_drawn: SegmentTree,
rows: Vec<((usize, bool, bool, EnvelopeHash), EntryStrings)>,
row_updates: SmallVec<[ThreadHash; 8]>,
selection: HashMap<ThreadHash, bool>,
order: HashMap<EnvelopeHash, usize>,
/// If we must redraw on next redraw event
dirty: bool,
/// If `self.view` is focused or not.
focus: Focus,
initialised: bool,
view: Option<MailView>,
movement: Option<PageMovement>,
id: ComponentId,
}
impl MailListingTrait for ThreadListing {
fn row_updates(&mut self) -> &mut SmallVec<[ThreadHash; 8]> {
&mut self.row_updates
}
fn selection(&mut self) -> &mut HashMap<ThreadHash, bool> {
&mut self.selection
}
fn get_focused_items(&self, _context: &Context) -> SmallVec<[ThreadHash; 8]> {
SmallVec::new()
}
/// Fill the `self.content` `CellBuffer` with the contents of the account mailbox the user has
/// chosen.
fn refresh_mailbox(&mut self, context: &mut Context, _force: bool) {
self.dirty = true;
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_unseen: crate::conf::value(context, "mail.listing.plain.even_unseen"),
even_selected: crate::conf::value(context, "mail.listing.plain.even_selected"),
even_highlighted: crate::conf::value(context, "mail.listing.plain.even_highlighted"),
odd_unseen: crate::conf::value(context, "mail.listing.plain.odd_unseen"),
odd_selected: crate::conf::value(context, "mail.listing.plain.odd_selected"),
odd_highlighted: crate::conf::value(context, "mail.listing.plain.odd_highlighted"),
even: crate::conf::value(context, "mail.listing.plain.even"),
odd: crate::conf::value(context, "mail.listing.plain.odd"),
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"),
theme_default: crate::conf::value(context, "theme_default"),
..self.color_cache
};
if !context.settings.terminal.use_color() {
self.color_cache.highlighted.attrs |= Attr::REVERSE;
self.color_cache.tag_default.attrs |= Attr::REVERSE;
self.color_cache.even_highlighted.attrs |= Attr::REVERSE;
self.color_cache.odd_highlighted.attrs |= Attr::REVERSE;
}
// Get mailbox as a reference.
//
match context.accounts[&self.cursor_pos.0].load(self.cursor_pos.1) {
Ok(_) => {}
Err(_) => {
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, None, 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), (message.len().saturating_sub(1), 0)),
None,
);
return;
}
}
let threads = context.accounts[&self.cursor_pos.0]
.collection
.get_threads(self.cursor_pos.1);
let mut roots = threads.roots();
threads.group_inner_sort_by(
&mut roots,
self.sort,
&context.accounts[&self.cursor_pos.0].collection.envelopes,
);
self.redraw_threads_list(
context,
Box::new(roots.into_iter()) as Box<dyn Iterator<Item = ThreadHash>>,
);
}
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.get_threads(self.cursor_pos.1);
self.length = 0;
self.order.clear();
if threads.len() == 0 {
let message: String = account[&self.cursor_pos.1].status();
self.data_columns.columns[0] =
CellBuffer::new_with_context(message.len(), 1, None, context);
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), (message.len() - 1, 0)),
None,
);
return;
}
let mut rows = Vec::with_capacity(1024);
let mut min_width = (0, 0, 0, 0, 0);
#[allow(clippy::type_complexity)]
let mut row_widths: (
SmallVec<[u8; 1024]>,
SmallVec<[u8; 1024]>,
SmallVec<[u8; 1024]>,
SmallVec<[u8; 1024]>,
SmallVec<[u8; 1024]>,
) = (
SmallVec::new(),
SmallVec::new(),
SmallVec::new(),
SmallVec::new(),
SmallVec::new(),
);
let mut indentations: Vec<bool> = Vec::with_capacity(6);
let roots = items
.filter_map(|r| threads.groups[&r].root().map(|r| r.root))
.collect::<_>();
let mut iter = threads.threads_group_iter(roots).peekable();
let thread_nodes: &HashMap<ThreadNodeHash, ThreadNode> = threads.thread_nodes();
/* This is just a desugared for loop so that we can use .peek() */
let mut idx = 0;
let mut prev_group = ThreadHash::null();
while let Some((indentation, thread_node_hash, has_sibling)) = iter.next() {
let thread_node = &thread_nodes[&thread_node_hash];
if thread_node.has_message() {
let envelope: EnvelopeRef =
account.collection.get_env(thread_node.message().unwrap());
self.order.insert(envelope.hash(), idx);
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 is_root = threads.find_group(thread_node.group) != prev_group;
prev_group = threads.find_group(thread_node.group);
let mut entry_strings = self.make_entry_string(&envelope, context);
entry_strings.subject = SubjectString(ThreadListing::make_thread_entry(
&envelope,
indentation,
thread_node_hash,
&threads,
&indentations,
has_sibling,
is_root,
));
row_widths.1.push(
entry_strings
.date
.grapheme_width()
.try_into()
.unwrap_or(255),
); /* date */
row_widths.2.push(
entry_strings
.from
.grapheme_width()
.try_into()
.unwrap_or(255),
); /* from */
row_widths.3.push(
entry_strings
.flag
.grapheme_width()
.try_into()
.unwrap_or(255),
); /* flags */
row_widths.4.push(
(entry_strings.subject.grapheme_width()
+ 1
+ entry_strings.tags.grapheme_width())
.try_into()
.unwrap_or(255),
);
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((
(
idx,
envelope.is_seen(),
envelope.has_attachments(),
envelope.hash(),
),
entry_strings,
));
idx += 1;
} else {
continue;
}
match iter.peek() {
Some((x, _, _)) if *x > indentation => {
if has_sibling {
indentations.push(true);
} else {
indentations.push(false);
}
}
Some((x, _, _)) if *x < indentation => {
for _ in 0..(indentation - *x) {
indentations.pop();
}
}
_ => {}
}
}
min_width.0 = idx.saturating_sub(1).to_string().len();
/* index column */
self.data_columns.columns[0] =
CellBuffer::new_with_context(min_width.0, rows.len(), None, context);
/* date column */
self.data_columns.columns[1] =
CellBuffer::new_with_context(min_width.1, rows.len(), None, context);
/* from column */
self.data_columns.columns[2] =
CellBuffer::new_with_context(min_width.2, rows.len(), None, context);
self.data_columns.segment_tree[2] = row_widths.2.into();
/* flags column */
self.data_columns.columns[3] =
CellBuffer::new_with_context(min_width.3, rows.len(), None, context);
/* subject column */
self.data_columns.columns[4] =
CellBuffer::new_with_context(min_width.4, rows.len(), None, context);
self.data_columns.segment_tree[4] = row_widths.4.into();
self.rows = rows;
self.rows_drawn = SegmentTree::from(
std::iter::repeat(1)
.take(self.rows.len())
.collect::<SmallVec<_>>(),
);
debug_assert!(self.rows_drawn.array.len() == self.rows.len());
self.draw_rows(
context,
0,
std::cmp::min(80, self.rows.len().saturating_sub(1)),
);
self.length = self.order.len();
}
}
impl ListingTrait for ThreadListing {
fn coordinates(&self) -> (AccountHash, MailboxHash) {
(self.new_cursor_pos.0, self.new_cursor_pos.1)
}
fn set_coordinates(&mut self, coordinates: (AccountHash, MailboxHash)) {
self.new_cursor_pos = (coordinates.0, coordinates.1, 0);
self.focus = Focus::None;
self.view = None;
self.order.clear();
self.row_updates.clear();
self.initialised = false;
}
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);
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.saturating_sub(1) / rows) * rows;
}
}
PageMovement::Right(_) | PageMovement::Left(_) => {}
PageMovement::Home => {
self.new_cursor_pos.2 = 0;
}
PageMovement::End => {
self.new_cursor_pos.2 = self.length.saturating_sub(1);
}
}
}
let prev_page_no = (self.cursor_pos.2).wrapping_div(rows);
let page_no = (self.new_cursor_pos.2).wrapping_div(rows);
let top_idx = page_no * rows;
self.draw_rows(
context,
top_idx,
cmp::min(self.length.saturating_sub(1), top_idx + rows - 1),
);
/*
if !self.initialised {
self.initialised = false;
copy_area(
grid,
&self.content,
area,
((0, top_idx), (MAX_COLS - 1, self.length)),
);
self.highlight_line(
grid,
(
set_y(upper_left, get_y(upper_left) + (self.cursor_pos.2 % rows)),
set_y(bottom_right, get_y(upper_left) + (self.cursor_pos.2 % rows)),
),
self.cursor_pos.2,
context,
);
context.dirty_areas.push_back(area);
}
*/
/* 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;
}
/* Page_no has changed, so draw new page */
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 + self.data_columns.widths[3]);
self.data_columns.widths[2] = min_col_width;
}
}
for &i in &[2, 4] {
/* Set From and Subject column widths to their maximum value width in the range
* [top_idx, top_idx + rows]. By using a segment tree the query is O(logn), which is
* great!
*/
self.data_columns.widths[i] =
self.data_columns.segment_tree[i].get_max(top_idx, top_idx + rows) as usize;
}
if self.data_columns.widths.iter().sum::<usize>() > width {
let diff = self.data_columns.widths.iter().sum::<usize>() - width;
if self.data_columns.widths[2] > 2 * diff {
self.data_columns.widths[2] -= diff;
} else {
self.data_columns.widths[2] = std::cmp::max(
15,
self.data_columns.widths[2].saturating_sub((2 * diff) / 3),
);
self.data_columns.widths[4] = std::cmp::max(
15,
self.data_columns.widths[4].saturating_sub(diff / 3 + diff % 3),
);
}
}
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)];
/*
let thread_hash = self.get_thread_under_cursor(r + top_idx);
if self.selection[&thread_hash] {
(c.fg(), self.color_cache.selected.bg)
} else {
}
*/
(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 x in flag_x
..std::cmp::min(
get_x(bottom_right),
flag_x + 2 + self.data_columns.widths[3],
)
{
grid[(x, get_y(upper_left) + r)].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,
);
}
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);
/*
copy_area(
grid,
&self.content,
area,
((0, top_idx), (MAX_COLS - 1, self.length)),
);
self.highlight_line(
grid,
(
set_y(upper_left, get_y(upper_left) + (self.cursor_pos.2 % rows)),
set_y(bottom_right, get_y(upper_left) + (self.cursor_pos.2 % rows)),
),
self.cursor_pos.2,
context,
);
context.dirty_areas.push_back(area);
*/
}
fn highlight_line(&mut self, grid: &mut CellBuffer, area: Area, idx: usize, context: &Context) {
if self.length == 0 {
return;
}
let env_hash = self.get_env_under_cursor(idx, context);
let envelope: EnvelopeRef = context.accounts[&self.cursor_pos.0]
.collection
.get_env(env_hash);
let row_attr = row_attr!(
self.color_cache,
idx % 2 == 0,
!envelope.is_seen(),
self.cursor_pos.2 == idx,
false,
);
for row in grid.bounds_iter(area) {
for c in row {
grid[c]
.set_fg(row_attr.fg)
.set_bg(row_attr.bg)
.set_attrs(row_attr.attrs);
}
}
}
fn filter(
&mut self,
filter_term: String,
_results: SmallVec<[EnvelopeHash; 512]>,
context: &Context,
) {
if filter_term.is_empty() {
return;
}
let _account = &context.accounts[&self.cursor_pos.0];
}
fn unfocused(&self) -> bool {
!matches!(self.focus, Focus::None)
}
fn set_movement(&mut self, mvm: PageMovement) {
self.movement = Some(mvm);
self.set_dirty(true);
}
fn set_focus(&mut self, new_value: Focus, context: &mut Context) {
match new_value {
Focus::None => {
self.view = None;
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;
}
Focus::Entry => {
// self.force_draw = true;
self.dirty = true;
let coordinates = (
self.cursor_pos.0,
self.cursor_pos.1,
self.get_env_under_cursor(self.cursor_pos.2, context),
);
if let Some(ref mut v) = self.view {
v.update(coordinates, context);
} else {
self.view = Some(MailView::new(coordinates, None, None, context));
}
if let Some(ref mut s) = self.view {
s.set_dirty(true);
}
}
Focus::EntryFullscreen => {
if let Some(ref mut s) = self.view {
s.set_dirty(true);
}
}
}
self.focus = new_value;
}
fn focus(&self) -> Focus {
self.focus
}
}
impl fmt::Display for ThreadListing {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "mail")
}
}
impl ThreadListing {
pub fn new(coordinates: (AccountHash, MailboxHash)) -> Box<Self> {
Box::new(ThreadListing {
cursor_pos: (coordinates.0, 0, 0),
new_cursor_pos: (coordinates.0, coordinates.1, 0),
length: 0,
sort: (Default::default(), Default::default()),
subsort: (Default::default(), Default::default()),
color_cache: ColorCache::default(),
data_columns: DataColumns::default(),
rows_drawn: SegmentTree::default(),
rows: vec![],
row_updates: SmallVec::new(),
selection: HashMap::default(),
order: HashMap::default(),
dirty: true,
focus: Focus::None,
view: None,
initialised: false,
movement: None,
id: ComponentId::new_v4(),
search_job: None,
})
}
fn highlight_line_self(&mut self, _idx: usize, _context: &Context) {
/*
* FIXME
if self.length == 0 {
return;
}
let env_hash = self.get_env_under_cursor(idx, context);
let envelope: EnvelopeRef = context.accounts[&self.cursor_pos.0]
.collection
.get_env(env_hash);
*/
}
fn make_thread_entry(
envelope: &Envelope,
indent: usize,
node_idx: ThreadNodeHash,
threads: &Threads,
indentations: &[bool],
has_sibling: bool,
is_root: bool,
) -> String {
let thread_node = &threads[&node_idx];
let has_parent = thread_node.has_parent() && !is_root;
let show_subject = thread_node.show_subject();
let mut s = String::new(); //format!("{}{}{} ", idx, " ", ThreadListing::format_date(&envelope));
for i in 0..indent {
if indentations.len() > i && indentations[i] {
s.push('│');
} else if indentations.len() > i {
s.push(' ');
}
if i > 0 {
s.push(' ');
}
}
if indent > 0 && (has_sibling || has_parent) {
if has_sibling && has_parent {
s.push('├');
} else if has_sibling {
s.push('┬');
} else {
s.push('└');
}
s.push('─');
s.push('>');
}
/*
s.push_str(if envelope.has_attachments() {
"📎"
} else {
""
});
*/
if show_subject {
let _ = write!(s, "{:.85}", envelope.subject());
}
s
}
fn get_env_under_cursor(&self, cursor: usize, _context: &Context) -> EnvelopeHash {
*self
.order
.iter()
.find(|(_, &r)| r == cursor)
.unwrap_or_else(|| {
debug!("self.order empty ? cursor={} {:#?}", cursor, &self.order);
panic!();
})
.0
}
fn make_entry_string(&self, e: &Envelope, context: &Context) -> EntryStrings {
let mut tags = String::new();
let mut colors: SmallVec<[_; 8]> = SmallVec::new();
let account = &context.accounts[&self.cursor_pos.0];
if account.backend_capabilities.supports_tags {
let tags_lck = account.collection.tag_index.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)
|| account_settings!(context[self.cursor_pos.0].tags.ignore_tags).contains(t)
|| context.settings.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)
.cloned()
.or_else(|| {
account_settings!(context[self.cursor_pos.0].tags.colors)
.get(t)
.cloned()
.or_else(|| context.settings.tags.colors.get(t).cloned())
}),
);
}
if !tags.is_empty() {
tags.pop();
}
}
let mut subject = e.subject().to_string();
subject.truncate_at_boundary(150);
EntryStrings {
date: DateString(ConversationsListing::format_date(context, e.date())),
subject: SubjectString(subject),
flag: FlagString((if e.has_attachments() { "📎" } else { "" }).to_string()),
from: FromString(address_list!((e.from()) as comma_sep_list)),
tags: TagString(tags, colors),
}
}
fn draw_rows(&mut self, context: &Context, start: usize, end: usize) {
if self.length == 0 {
return;
}
debug_assert!(end >= start);
if self.rows_drawn.get_max(start, end) == 0 {
//debug!("not drawing {}-{}", start, end);
return;
}
//debug!("drawing {}-{}", start, end);
for i in start..=end {
self.rows_drawn.update(i, 0);
}
let min_width = (
self.data_columns.columns[0].size().0,
self.data_columns.columns[1].size().0,
self.data_columns.columns[2].size().0,
self.data_columns.columns[3].size().0,
self.data_columns.columns[4].size().0,
);
for ((idx, is_seen, has_attachments, env_hash), strings) in
self.rows.iter().skip(start).take(end - start + 1)
{
let idx = *idx;
if !context.accounts[&self.cursor_pos.0].contains_key(*env_hash) {
//debug!("key = {}", root_env_hash);
//debug!(
// "name = {} {}",
// account[&self.cursor_pos.1].name(),
// context.accounts[&self.cursor_pos.0].name()
//);
//debug!("{:#?}", context.accounts);
panic!();
}
let row_attr = row_attr!(self.color_cache, idx % 2 == 0, !*is_seen, false, false);
let (x, _) = write_string_to_grid(
&idx.to_string(),
&mut self.data_columns.columns[0],
row_attr.fg,
row_attr.bg,
row_attr.attrs,
((0, idx), (min_width.0, idx)),
None,
);
for x in x..min_width.0 {
self.data_columns.columns[0][(x, idx)]
.set_bg(row_attr.bg)
.set_attrs(row_attr.attrs);
}
let (x, _) = write_string_to_grid(
&strings.date,
&mut self.data_columns.columns[1],
row_attr.fg,
row_attr.bg,
row_attr.attrs,
((0, idx), (min_width.1, idx)),
None,
);
for x in x..min_width.1 {
self.data_columns.columns[1][(x, idx)]
.set_bg(row_attr.bg)
.set_attrs(row_attr.attrs);
}
let (x, _) = write_string_to_grid(
&strings.from,
&mut self.data_columns.columns[2],
row_attr.fg,
row_attr.bg,
row_attr.attrs,
((0, idx), (min_width.2, idx)),
None,
);
#[cfg(feature = "regexp")]
{
for text_formatter in crate::conf::text_format_regexps(context, "listing.from") {
let t = self.data_columns.columns[2].insert_tag(text_formatter.tag);
for (start, end) in text_formatter.regexp.find_iter(strings.from.as_str()) {
self.data_columns.columns[2].set_tag(t, (start, idx), (end, idx));
}
}
}
for x in x..min_width.2 {
self.data_columns.columns[2][(x, idx)]
.set_bg(row_attr.bg)
.set_attrs(row_attr.attrs);
}
let (x, _) = write_string_to_grid(
&strings.flag,
&mut self.data_columns.columns[3],
row_attr.fg,
row_attr.bg,
row_attr.attrs,
((0, idx), (min_width.3, idx)),
None,
);
for x in x..min_width.3 {
self.data_columns.columns[3][(x, idx)]
.set_bg(row_attr.bg)
.set_attrs(row_attr.attrs);
}
let (x, _) = write_string_to_grid(
&strings.subject,
&mut self.data_columns.columns[4],
row_attr.fg,
row_attr.bg,
row_attr.attrs,
((0, idx), (min_width.4, idx)),
None,
);
#[cfg(feature = "regexp")]
{
for text_formatter in crate::conf::text_format_regexps(context, "listing.subject") {
let t = self.data_columns.columns[4].insert_tag(text_formatter.tag);
for (start, end) in text_formatter.regexp.find_iter(strings.subject.as_str()) {
self.data_columns.columns[4].set_tag(t, (start, idx), (end, idx));
}
}
}
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 self.data_columns.columns[4],
self.color_cache.tag_default.fg,
color,
self.color_cache.tag_default.attrs,
((x + 1, idx), (min_width.4, idx)),
None,
);
self.data_columns.columns[4][(x, idx)].set_bg(color);
if _x < min_width.4 {
self.data_columns.columns[4][(_x, idx)]
.set_bg(color)
.set_keep_bg(true);
}
for x in (x + 1).._x {
self.data_columns.columns[4][(x, idx)]
.set_keep_fg(true)
.set_keep_bg(true)
.set_keep_attrs(true);
}
self.data_columns.columns[4][(x, idx)].set_keep_bg(true);
x = _x + 1;
}
x
};
for x in x..min_width.4 {
self.data_columns.columns[4][(x, idx)]
.set_ch(' ')
.set_bg(row_attr.bg)
.set_attrs(row_attr.attrs);
}
if *has_attachments {
self.data_columns.columns[3][(0, idx)].set_fg(self.color_cache.attachment_flag.fg);
}
}
}
}
impl Component for ThreadListing {
fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
/*
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.is_dirty() {
return;
}
if matches!(self.focus, Focus::EntryFullscreen) {
if let Some(v) = self.view.as_mut() {
return v.draw(grid, area, context);
}
}
if !self.unfocused() {
self.dirty = false;
/* Draw the entire list */
self.draw_list(grid, area, context);
} else {
self.cursor_pos = self.new_cursor_pos;
let upper_left = upper_left!(area);
let bottom_right = bottom_right!(area);
if self.length == 0 && self.dirty {
clear_area(grid, area, self.color_cache.theme_default);
context.dirty_areas.push_back(area);
return;
}
/* Render the mail body in a pager, basically copy what HSplit does */
let total_rows = get_y(bottom_right) - get_y(upper_left);
let pager_ratio = *mailbox_settings!(
context[self.cursor_pos.0][&self.cursor_pos.1]
.pager
.pager_ratio
);
let bottom_entity_rows = (pager_ratio * total_rows) / 100;
if bottom_entity_rows > total_rows {
clear_area(grid, area, self.color_cache.theme_default);
context.dirty_areas.push_back(area);
return;
}
let idx = self.cursor_pos.2;
/* Mark message as read */
let must_highlight = {
if self.length == 0 {
false
} else {
let account = &context.accounts[&self.cursor_pos.0];
let envelope: EnvelopeRef = account
.collection
.get_env(self.get_env_under_cursor(idx, context));
envelope.is_seen()
}
};
if must_highlight {
self.highlight_line_self(idx, context);
}
let mid = get_y(upper_left) + total_rows - bottom_entity_rows;
self.draw_list(
grid,
(
upper_left,
(get_x(bottom_right), get_y(upper_left) + mid - 1),
),
context,
);
if self.length == 0 {
self.dirty = false;
return;
}
{
if get_x(upper_left) > 0 && grid[(get_x(upper_left) - 1, mid)].ch() == VERT_BOUNDARY
{
grid[(get_x(upper_left) - 1, mid)].set_ch(LIGHT_VERTICAL_AND_RIGHT);
}
for i in get_x(upper_left)..=get_x(bottom_right) {
grid[(i, mid)].set_ch(HORZ_BOUNDARY);
}
context
.dirty_areas
.push_back((set_y(upper_left, mid), set_y(bottom_right, mid)));
}
// TODO: Make headers view configurable
if !self.dirty {
if let Some(v) = self.view.as_mut() {
v.draw(grid, (set_y(upper_left, mid + 1), bottom_right), context);
}
return;
}
let coordinates = (
self.cursor_pos.0,
self.cursor_pos.1,
self.get_env_under_cursor(self.cursor_pos.2, context),
);
if let Some(ref mut v) = self.view {
v.update(coordinates, context);
} else {
self.view = Some(MailView::new(coordinates, None, None, context));
}
if let Some(v) = self.view.as_mut() {
v.draw(grid, (set_y(upper_left, mid + 1), bottom_right), context);
}
self.dirty = false;
}
}
fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
let shortcuts = self.get_shortcuts(context);
match (&event, self.focus) {
(UIEvent::Input(ref k), Focus::Entry)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["focus_right"]) =>
{
self.set_focus(Focus::EntryFullscreen, context);
return true;
}
(UIEvent::Input(ref k), Focus::EntryFullscreen)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["focus_left"]) =>
{
self.set_focus(Focus::Entry, context);
return true;
}
(UIEvent::Input(ref k), Focus::Entry)
if shortcut!(k == shortcuts[Listing::DESCRIPTION]["focus_left"]) =>
{
self.set_focus(Focus::None, context);
return true;
}
_ => {}
}
if let Some(ref mut v) = self.view {
if !matches!(self.focus, Focus::None) && v.process_event(event, context) {
return true;
}
}
match *event {
UIEvent::ConfigReload { old_settings: _ } => {
self.color_cache = ColorCache {
even_unseen: crate::conf::value(context, "mail.listing.plain.even_unseen"),
even_selected: crate::conf::value(context, "mail.listing.plain.even_selected"),
even_highlighted: crate::conf::value(
context,
"mail.listing.plain.even_highlighted",
),
odd_unseen: crate::conf::value(context, "mail.listing.plain.odd_unseen"),
odd_selected: crate::conf::value(context, "mail.listing.plain.odd_selected"),
odd_highlighted: crate::conf::value(
context,
"mail.listing.plain.odd_highlighted",
),
even: crate::conf::value(context, "mail.listing.plain.even"),
odd: crate::conf::value(context, "mail.listing.plain.odd"),
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"),
theme_default: crate::conf::value(context, "theme_default"),
..self.color_cache
};
if !context.settings.terminal.use_color() {
self.color_cache.highlighted.attrs |= Attr::REVERSE;
self.color_cache.tag_default.attrs |= Attr::REVERSE;
self.color_cache.even_highlighted.attrs |= Attr::REVERSE;
self.color_cache.odd_highlighted.attrs |= Attr::REVERSE;
}
self.set_dirty(true);
}
UIEvent::Input(ref k)
if matches!(self.focus, Focus::None)
&& (shortcut!(k == shortcuts[Listing::DESCRIPTION]["open_entry"])
|| shortcut!(k == shortcuts[Listing::DESCRIPTION]["focus_right"])) =>
{
self.set_focus(Focus::Entry, context);
return true;
}
UIEvent::Input(ref k)
if !matches!(self.focus, Focus::None)
&& shortcut!(k == shortcuts[Listing::DESCRIPTION]["exit_entry"]) =>
{
self.set_focus(Focus::None, context);
return true;
}
UIEvent::Input(ref k)
if !matches!(self.focus, Focus::Entry)
&& shortcut!(k == shortcuts[Listing::DESCRIPTION]["focus_right"]) =>
{
self.set_focus(Focus::EntryFullscreen, context);
return true;
}
UIEvent::Input(ref k)
if !matches!(self.focus, Focus::None)
&& shortcut!(k == shortcuts[Listing::DESCRIPTION]["focus_left"]) =>
{
match self.focus {
Focus::Entry => {
self.set_focus(Focus::None, context);
}
Focus::EntryFullscreen => {
self.set_focus(Focus::Entry, context);
}
Focus::None => {
unreachable!();
}
}
return true;
}
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) {
return false;
}
if let Some(row) = self.order.remove(old_hash) {
self.order.insert(*new_hash, row);
(self.rows[row].0).3 = *new_hash;
//self.row_updates.push(old_hash);
}
self.dirty = true;
if self.unfocused() {
if let Some(v) = self.view.as_mut() {
v.process_event(
&mut UIEvent::EnvelopeRename(*old_hash, *new_hash),
context,
);
}
}
}
UIEvent::EnvelopeRemove(ref env_hash, _) => {
if self.order.contains_key(env_hash) {
self.refresh_mailbox(context, false);
self.set_dirty(true);
}
}
UIEvent::EnvelopeUpdate(ref env_hash) => {
let account = &context.accounts[&self.cursor_pos.0];
if !account.collection.contains_key(env_hash) {
return false;
}
if self.order.contains_key(env_hash) {
//self.row_updates.push(*env_hash);
}
self.dirty = true;
if self.unfocused() {
if let Some(v) = self.view.as_mut() {
v.process_event(&mut UIEvent::EnvelopeUpdate(*env_hash), context);
}
}
}
UIEvent::ChangeMode(UIMode::Normal) => {
self.dirty = true;
}
UIEvent::Resize => {
self.dirty = true;
}
UIEvent::Action(ref action) => match action {
Action::SubSort(field, order) => {
debug!("SubSort {:?} , {:?}", field, order);
self.subsort = (*field, *order);
self.dirty = true;
self.refresh_mailbox(context, false);
return true;
}
Action::Sort(field, order) => {
debug!("Sort {:?} , {:?}", field, order);
self.sort = (*field, *order);
self.dirty = true;
self.refresh_mailbox(context, false);
return true;
}
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 handle = context.accounts[&self.cursor_pos.0]
.job_executor
.spawn_specialized(job);
self.search_job = Some((filter_term.to_string(), handle));
}
Err(err) => {
context.replies.push_back(UIEvent::Notification(
Some("Could not perform search".to_string()),
err.to_string(),
Some(crate::types::NotificationType::Error(err.kind)),
));
}
};
self.set_dirty(true);
return 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 handle) = self.search_job.take().unwrap();
match handle.chan.try_recv() {
Err(_) => { /* search was canceled */ }
Ok(None) => { /* something happened, perhaps a worker thread panicked */ }
Ok(Some(Ok(results))) => self.filter(filter_term, results, context),
Ok(Some(Err(err))) => {
context.replies.push_back(UIEvent::Notification(
Some("Could not perform search".to_string()),
err.to_string(),
Some(crate::types::NotificationType::Error(err.kind)),
));
}
}
self.set_dirty(true);
}
_ => {}
}
false
}
fn is_dirty(&self) -> bool {
match self.focus {
Focus::None => self.dirty,
Focus::Entry => self.dirty || self.view.as_ref().map(|p| p.is_dirty()).unwrap_or(false),
Focus::EntryFullscreen => self.view.as_ref().map(|p| p.is_dirty()).unwrap_or(false),
}
}
fn set_dirty(&mut self, value: bool) {
if let Some(p) = self.view.as_mut() {
p.set_dirty(value);
};
self.dirty = value;
}
fn get_shortcuts(&self, context: &Context) -> ShortcutMaps {
let mut map = if self.unfocused() {
self.view
.as_ref()
.map(|p| p.get_shortcuts(context))
.unwrap_or_default()
} else {
ShortcutMaps::default()
};
let config_map = context.settings.shortcuts.listing.key_values();
map.insert(Listing::DESCRIPTION, config_map);
map
}
fn id(&self) -> ComponentId {
self.id
}
fn set_id(&mut self, id: ComponentId) {
self.id = id;
}
}