650 lines
22 KiB
Rust
650 lines
22 KiB
Rust
/*
|
|
* 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 compact;
|
|
pub use self::compact::*;
|
|
|
|
mod thread;
|
|
pub use self::thread::*;
|
|
|
|
mod plain;
|
|
pub use self::plain::*;
|
|
|
|
#[derive(Debug, Default, Clone)]
|
|
pub(in crate::listing) struct DataColumns {
|
|
columns: [CellBuffer; 12],
|
|
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,
|
|
}
|
|
#[derive(Debug, Default, Clone)]
|
|
pub(in crate::listing) struct CachedSearchStrings {
|
|
subject: String,
|
|
from: String,
|
|
body: String,
|
|
}
|
|
|
|
trait ListingTrait {
|
|
fn coordinates(&self) -> (usize, usize, Option<EnvelopeHash>);
|
|
fn set_coordinates(&mut self, _: (usize, usize, Option<EnvelopeHash>));
|
|
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) {}
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
pub enum ListingComponent {
|
|
Plain(PlainListing),
|
|
Threaded(ThreadListing),
|
|
Compact(CompactListing),
|
|
}
|
|
use crate::ListingComponent::*;
|
|
|
|
impl ListingTrait for ListingComponent {
|
|
fn coordinates(&self) -> (usize, usize, Option<EnvelopeHash>) {
|
|
match &self {
|
|
Compact(ref l) => l.coordinates(),
|
|
Plain(ref l) => l.coordinates(),
|
|
Threaded(ref l) => l.coordinates(),
|
|
}
|
|
}
|
|
fn set_coordinates(&mut self, c: (usize, usize, Option<EnvelopeHash>)) {
|
|
match self {
|
|
Compact(ref mut l) => l.set_coordinates(c),
|
|
Plain(ref mut l) => l.set_coordinates(c),
|
|
Threaded(ref mut l) => l.set_coordinates(c),
|
|
}
|
|
}
|
|
fn draw_list(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
|
|
match self {
|
|
Compact(ref mut l) => l.draw_list(grid, area, context),
|
|
Plain(ref mut l) => l.draw_list(grid, area, context),
|
|
Threaded(ref mut l) => l.draw_list(grid, area, context),
|
|
}
|
|
}
|
|
fn highlight_line(&mut self, grid: &mut CellBuffer, area: Area, idx: usize, context: &Context) {
|
|
match self {
|
|
Compact(ref mut l) => l.highlight_line(grid, area, idx, context),
|
|
Plain(ref mut l) => l.highlight_line(grid, area, idx, context),
|
|
Threaded(ref mut l) => l.highlight_line(grid, area, idx, context),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[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,
|
|
/// 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),
|
|
}
|
|
}
|
|
}
|
|
|
|
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 {
|
|
(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))));
|
|
}
|
|
self.dirty = false;
|
|
if right_component_width == total_cols {
|
|
match self.component {
|
|
Compact(ref mut l) => l.draw(grid, area, context),
|
|
Plain(ref mut l) => l.draw(grid, area, context),
|
|
Threaded(ref mut l) => l.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);
|
|
match self.component {
|
|
Compact(ref mut l) => {
|
|
l.draw(grid, (set_x(upper_left, mid + 1), bottom_right), context)
|
|
}
|
|
Plain(ref mut l) => {
|
|
l.draw(grid, (set_x(upper_left, mid + 1), bottom_right), context)
|
|
}
|
|
Threaded(ref mut l) => {
|
|
l.draw(grid, (set_x(upper_left, mid + 1), bottom_right), context)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
|
|
if match self.component {
|
|
Plain(ref mut l) => l.process_event(event, context),
|
|
Compact(ref mut l) => l.process_event(event, context),
|
|
Threaded(ref mut l) => l.process_event(event, context),
|
|
} {
|
|
return true;
|
|
}
|
|
|
|
let shortcuts = &self.get_shortcuts(context)[Listing::DESCRIPTION];
|
|
match *event {
|
|
UIEvent::Input(ref k)
|
|
if k == shortcuts["next_folder"] || k == shortcuts["prev_folder"] =>
|
|
{
|
|
let folder_length = context.accounts[self.cursor_pos.0].len();
|
|
match k {
|
|
k if k == shortcuts["next_folder"] && folder_length > 0 => {
|
|
if self.cursor_pos.1 < folder_length - 1 {
|
|
self.cursor_pos.1 += 1;
|
|
self.component.set_coordinates((
|
|
self.cursor_pos.0,
|
|
self.cursor_pos.1,
|
|
None,
|
|
));
|
|
self.set_dirty();
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
k if k == shortcuts["prev_folder"] => {
|
|
if self.cursor_pos.1 > 0 {
|
|
self.cursor_pos.1 -= 1;
|
|
self.component.set_coordinates((
|
|
self.cursor_pos.0,
|
|
self.cursor_pos.1,
|
|
None,
|
|
));
|
|
self.set_dirty();
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
_ => return false,
|
|
}
|
|
let folder_hash =
|
|
context.accounts[self.cursor_pos.0].folders_order[self.cursor_pos.1];
|
|
// Inform State that we changed the current folder view.
|
|
context
|
|
.replies
|
|
.push_back(UIEvent::RefreshMailbox((self.cursor_pos.0, folder_hash)));
|
|
return true;
|
|
}
|
|
UIEvent::Input(ref k)
|
|
if k == shortcuts["next_account"] || k == shortcuts["prev_account"] =>
|
|
{
|
|
match k {
|
|
k if k == shortcuts["next_account"] => {
|
|
if self.cursor_pos.0 < self.accounts.len() - 1 {
|
|
self.cursor_pos = (self.cursor_pos.0 + 1, 0);
|
|
self.component.set_coordinates((self.cursor_pos.0, 0, None));
|
|
self.set_dirty();
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
k if k == shortcuts["prev_account"] => {
|
|
if self.cursor_pos.0 > 0 {
|
|
self.cursor_pos = (self.cursor_pos.0 - 1, 0);
|
|
self.component.set_coordinates((self.cursor_pos.0, 0, None));
|
|
self.set_dirty();
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
_ => return false,
|
|
}
|
|
let folder_hash =
|
|
context.accounts[self.cursor_pos.0].folders_order[self.cursor_pos.1];
|
|
// Inform State that we changed the current folder view.
|
|
context
|
|
.replies
|
|
.push_back(UIEvent::RefreshMailbox((self.cursor_pos.0, folder_hash)));
|
|
return true;
|
|
}
|
|
UIEvent::Action(ref action) => match action {
|
|
Action::Listing(ListingAction::SetPlain) => {
|
|
if let Plain(_) = self.component {
|
|
return true;
|
|
}
|
|
let mut new_l = PlainListing::default();
|
|
new_l.set_coordinates((self.cursor_pos.0, self.cursor_pos.1, None));
|
|
self.component = Plain(new_l);
|
|
return true;
|
|
}
|
|
Action::Listing(ListingAction::SetThreaded) => {
|
|
if let Threaded(_) = self.component {
|
|
return true;
|
|
}
|
|
let mut new_l = ThreadListing::default();
|
|
new_l.set_coordinates((self.cursor_pos.0, self.cursor_pos.1, None));
|
|
self.component = Threaded(new_l);
|
|
return true;
|
|
}
|
|
Action::Listing(ListingAction::SetCompact) => {
|
|
if let Compact(_) = self.component {
|
|
return true;
|
|
}
|
|
let mut new_l = CompactListing::default();
|
|
new_l.set_coordinates((self.cursor_pos.0, self.cursor_pos.1, None));
|
|
self.component = Compact(new_l);
|
|
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),
|
|
);
|
|
self.dirty = true;
|
|
}
|
|
UIEvent::ChangeMode(UIMode::Normal) => {
|
|
self.dirty = true;
|
|
}
|
|
UIEvent::Resize => {
|
|
self.dirty = true;
|
|
}
|
|
UIEvent::Input(ref k) if k == shortcuts["toggle-menu-visibility"] => {
|
|
self.menu_visibility = !self.menu_visibility;
|
|
self.set_dirty();
|
|
}
|
|
UIEvent::Input(ref k) if k == shortcuts["new_mail"] => {
|
|
context
|
|
.replies
|
|
.push_back(UIEvent::Action(Tab(NewDraft(self.cursor_pos.0, None))));
|
|
return true;
|
|
}
|
|
UIEvent::StartupCheck(_) => {
|
|
self.dirty = true;
|
|
}
|
|
UIEvent::MailboxUpdate(_) => {
|
|
self.dirty = true;
|
|
}
|
|
_ => {}
|
|
}
|
|
false
|
|
}
|
|
fn is_dirty(&self) -> bool {
|
|
self.dirty
|
|
|| match self.component {
|
|
Compact(ref l) => l.is_dirty(),
|
|
Plain(ref l) => l.is_dirty(),
|
|
Threaded(ref l) => l.is_dirty(),
|
|
}
|
|
}
|
|
fn set_dirty(&mut self) {
|
|
self.dirty = true;
|
|
match self.component {
|
|
Compact(ref mut l) => l.set_dirty(),
|
|
Plain(ref mut l) => l.set_dirty(),
|
|
Threaded(ref mut l) => l.set_dirty(),
|
|
}
|
|
}
|
|
|
|
fn get_shortcuts(&self, context: &Context) -> ShortcutMaps {
|
|
let mut map = match self.component {
|
|
Compact(ref l) => l.get_shortcuts(context),
|
|
Plain(ref l) => l.get_shortcuts(context),
|
|
Threaded(ref l) => l.get_shortcuts(context),
|
|
};
|
|
let config_map = context.settings.shortcuts.listing.key_values();
|
|
map.insert(
|
|
Listing::DESCRIPTION.to_string(),
|
|
[
|
|
(
|
|
"new_mail",
|
|
if let Some(key) = config_map.get("new_mail") {
|
|
(*key).clone()
|
|
} else {
|
|
Key::Char('m')
|
|
},
|
|
),
|
|
(
|
|
"prev_folder",
|
|
if let Some(key) = config_map.get("prev_folder") {
|
|
(*key).clone()
|
|
} else {
|
|
Key::Char('K')
|
|
},
|
|
),
|
|
(
|
|
"next_folder",
|
|
if let Some(key) = config_map.get("next_folder") {
|
|
(*key).clone()
|
|
} else {
|
|
Key::Char('J')
|
|
},
|
|
),
|
|
(
|
|
"prev_account",
|
|
if let Some(key) = config_map.get("prev_account") {
|
|
(*key).clone()
|
|
} else {
|
|
Key::Char('l')
|
|
},
|
|
),
|
|
(
|
|
"next_account",
|
|
if let Some(key) = config_map.get("next_account") {
|
|
(*key).clone()
|
|
} else {
|
|
Key::Char('h')
|
|
},
|
|
),
|
|
("toggle-menu-visibility", Key::Char('`')),
|
|
]
|
|
.iter()
|
|
.cloned()
|
|
.collect(),
|
|
);
|
|
|
|
map
|
|
}
|
|
|
|
fn id(&self) -> ComponentId {
|
|
match self.component {
|
|
Compact(ref l) => l.id(),
|
|
Plain(ref l) => l.id(),
|
|
Threaded(ref l) => l.id(),
|
|
}
|
|
}
|
|
fn set_id(&mut self, id: ComponentId) {
|
|
match self.component {
|
|
Compact(ref mut l) => l.set_id(id),
|
|
Plain(ref mut l) => l.set_id(id),
|
|
Threaded(ref mut l) => l.set_id(id),
|
|
}
|
|
}
|
|
}
|
|
|
|
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()),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Listing {
|
|
const DESCRIPTION: &'static str = "listing";
|
|
pub fn new(accounts: &[Account]) -> Self {
|
|
let accounts = accounts
|
|
.iter()
|
|
.enumerate()
|
|
.map(|(i, a)| AccountMenuEntry {
|
|
name: a.name().to_string(),
|
|
index: i,
|
|
})
|
|
.collect();
|
|
Listing {
|
|
component: Compact(Default::default()),
|
|
accounts,
|
|
visible: true,
|
|
dirty: true,
|
|
cursor_pos: (0, 0),
|
|
id: ComponentId::new_v4(),
|
|
show_divider: false,
|
|
menu_visibility: true,
|
|
ratio: 90,
|
|
}
|
|
}
|
|
|
|
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 += 1;
|
|
y += self.print_account(grid, (set_y(upper_left, y), bottom_right), &a, context);
|
|
}
|
|
|
|
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 highlight = self.cursor_pos.0 == a.index;
|
|
|
|
let mut inc = 0;
|
|
let mut depth = String::from("");
|
|
let mut s = format!("{}\n", a.name);
|
|
fn pop(depth: &mut String) {
|
|
depth.pop();
|
|
}
|
|
|
|
fn push(depth: &mut String, c: char) {
|
|
depth.push(c);
|
|
}
|
|
|
|
fn print(
|
|
folder_idx: FolderHash,
|
|
depth: &mut String,
|
|
inc: &mut usize,
|
|
entries: &FnvHashMap<FolderHash, Folder>,
|
|
folders_order: &FnvHashMap<FolderHash, usize>,
|
|
s: &mut String,
|
|
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()]
|
|
.as_ref()
|
|
.unwrap()
|
|
.envelopes
|
|
.iter()
|
|
.map(|h| &account.collection[&h])
|
|
.filter(|e| !e.is_seen())
|
|
.count();
|
|
let len = s.len();
|
|
s.insert_str(
|
|
len,
|
|
&format!("{} {} {}\n ", *inc, &entries[&folder_idx].name(), count),
|
|
);
|
|
}
|
|
Err(_) => {
|
|
let len = s.len();
|
|
s.insert_str(
|
|
len,
|
|
&format!("{} {} ...\n ", *inc, &entries[&folder_idx].name()),
|
|
);
|
|
}
|
|
}
|
|
*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());
|
|
push(depth, ' ');
|
|
for child in children {
|
|
let len = s.len();
|
|
s.insert_str(len, &format!("{} ", depth));
|
|
print(child, depth, inc, entries, folders_order, s, index, context);
|
|
}
|
|
pop(depth);
|
|
}
|
|
for f in entries.keys() {
|
|
if entries[f].parent().is_none() {
|
|
print(
|
|
*f,
|
|
&mut depth,
|
|
&mut inc,
|
|
&entries,
|
|
&folders_order,
|
|
&mut s,
|
|
a.index,
|
|
context,
|
|
);
|
|
}
|
|
}
|
|
|
|
let lines: Vec<&str> = s.lines().collect();
|
|
let lines_len = lines.len();
|
|
if lines_len < 2 {
|
|
return 0;
|
|
}
|
|
let mut idx = 0;
|
|
for y in get_y(upper_left)..get_y(bottom_right) {
|
|
if idx == lines_len {
|
|
break;
|
|
}
|
|
let s = lines[idx].to_string();
|
|
let (color_fg, color_bg) = if highlight {
|
|
if self.cursor_pos.1 + 1 == idx {
|
|
(Color::Byte(233), Color::Byte(15))
|
|
} else {
|
|
(Color::Byte(15), Color::Byte(233))
|
|
}
|
|
} else {
|
|
(Color::Default, Color::Default)
|
|
};
|
|
|
|
write_string_to_grid(
|
|
&s,
|
|
grid,
|
|
color_fg,
|
|
color_bg,
|
|
(set_y(upper_left, y), bottom_right),
|
|
false,
|
|
);
|
|
{
|
|
enum CellPos {
|
|
BeforeIndex,
|
|
Index,
|
|
//AfterIndex,
|
|
}
|
|
let mut pos = CellPos::BeforeIndex;
|
|
let mut x = get_x(upper_left);
|
|
while let Some(cell) = grid.get_mut(x, y) {
|
|
if x == get_x(bottom_right) {
|
|
break;
|
|
}
|
|
match (cell.ch(), &pos) {
|
|
(c, CellPos::Index) | (c, CellPos::BeforeIndex) if c.is_numeric() => {
|
|
pos = CellPos::Index;
|
|
cell.set_fg(Color::Byte(243));
|
|
x += 1;
|
|
continue;
|
|
}
|
|
(c, CellPos::BeforeIndex) if c.is_whitespace() => {
|
|
x += 1;
|
|
continue;
|
|
}
|
|
_ => {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
idx += 1;
|
|
}
|
|
if idx == 0 {
|
|
0
|
|
} else {
|
|
idx - 1
|
|
}
|
|
}
|
|
}
|