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use std::collections::{hash_map::Entry, HashMap};
use std::path;
use std::process;
use signal_hook::consts::signal;
use termion::event::{MouseButton, MouseEvent};
use tui::layout::{Constraint, Direction, Layout};
use crate::commands::{cursor_move, parent_cursor_move, AppExecute, KeyCommand};
use crate::context::AppContext;
use crate::event::AppEvent;
use crate::fs::JoshutoDirList;
use crate::history::DirectoryHistory;
use crate::io::{FileOp, IoWorkerProgress};
use crate::preview::preview_file::FilePreview;
use crate::ui;
use crate::util::format;
pub fn process_noninteractive(event: AppEvent, context: &mut AppContext) {
match event {
AppEvent::IoWorkerProgress(res) => process_worker_progress(context, res),
AppEvent::IoWorkerResult(res) => process_finished_worker(context, res),
AppEvent::PreviewDir(Ok(dirlist)) => process_dir_preview(context, dirlist),
AppEvent::PreviewFile(file_preview) => process_file_preview(context, file_preview),
AppEvent::Signal(signal::SIGWINCH) => {}
_ => {}
}
}
pub fn process_worker_progress(context: &mut AppContext, res: IoWorkerProgress) {
let worker_context = context.worker_context_mut();
worker_context.set_progress(res);
worker_context.update_msg();
}
pub fn process_finished_worker(context: &mut AppContext, res: std::io::Result<IoWorkerProgress>) {
let worker_context = context.worker_context_mut();
let observer = worker_context.remove_worker().unwrap();
let options = context.config_ref().display_options_ref().clone();
for tab in context.tab_context_mut().iter_mut() {
let _ = tab.history_mut().reload(observer.dest_path(), &options);
let _ = tab.history_mut().reload(observer.src_path(), &options);
}
observer.join();
match res {
Ok(progress) => {
let op = match progress.kind() {
FileOp::Copy => "copied",
FileOp::Cut => "moved",
};
let processed_size = format::file_size_to_string(progress.bytes_processed());
let total_size = format::file_size_to_string(progress.total_bytes());
let msg = format!(
"successfully {} {} items ({}/{})",
op,
progress.total_files(),
processed_size,
total_size,
);
context.push_msg(msg);
}
Err(e) => {
let msg = format!("{}", e);
context.push_msg(msg);
}
}
}
pub fn process_dir_preview(context: &mut AppContext, dirlist: JoshutoDirList) {
let history = context.tab_context_mut().curr_tab_mut().history_mut();
match history.entry(dirlist.file_path().to_path_buf()) {
Entry::Occupied(mut entry) => {
let old_dirlist = entry.get();
if old_dirlist.need_update() {
entry.insert(dirlist);
}
}
Entry::Vacant(entry) => {
entry.insert(dirlist);
}
}
}
pub fn process_file_preview(context: &mut AppContext, file_preview: FilePreview) {
match file_preview.status.code() {
Some(1) | None => {}
_ => {
context
.preview_context_mut()
.insert_preview(file_preview._path.clone(), file_preview);
}
}
}
pub fn process_mouse(event: MouseEvent, context: &mut AppContext, backend: &mut ui::TuiBackend) {
let f_size = backend.terminal.as_ref().unwrap().size().unwrap();
let constraints: &[Constraint; 3] = &context.config_ref().display_options_ref().default_layout;
let layout_rect = Layout::default()
.direction(Direction::Horizontal)
.vertical_margin(
if context.config_ref().display_options_ref().show_borders() {
2
} else {
1
},
)
.constraints(constraints.as_ref())
.split(f_size);
match event {
MouseEvent::Press(MouseButton::WheelUp, x, _) => {
if x < layout_rect[1].x {
let command = KeyCommand::ParentCursorMoveUp(1);
if let Err(e) = command.execute(context, backend) {
context.push_msg(e.to_string());
}
} else if x < layout_rect[2].x {
let command = KeyCommand::CursorMoveUp(1);
if let Err(e) = command.execute(context, backend) {
context.push_msg(e.to_string());
}
} else {
// TODO: scroll in child list
}
}
MouseEvent::Press(MouseButton::WheelDown, x, _) => {
if x < layout_rect[1].x {
let command = KeyCommand::ParentCursorMoveDown(1);
if let Err(e) = command.execute(context, backend) {
context.push_msg(e.to_string());
}
} else if x < layout_rect[2].x {
let command = KeyCommand::CursorMoveDown(1);
if let Err(e) = command.execute(context, backend) {
context.push_msg(e.to_string());
}
} else {
// TODO: scroll in child list
}
}
MouseEvent::Press(MouseButton::Left, x, y)
if y > layout_rect[1].y && y <= layout_rect[1].y + layout_rect[1].height =>
{
if x < layout_rect[2].x {
let (dirlist, is_parent) = if x < layout_rect[1].x {
(
context.tab_context_ref().curr_tab_ref().parent_list_ref(),
true,
)
} else {
(
context.tab_context_ref().curr_tab_ref().curr_list_ref(),
false,
)
};
if let Some(dirlist) = dirlist {
let skip_dist =
dirlist.first_index_for_viewport(layout_rect[1].height as usize);
let new_index = skip_dist + (y - layout_rect[1].y - 1) as usize;
if let Err(e) = if is_parent {
parent_cursor_move::parent_cursor_move(new_index, context)
} else {
cursor_move::cursor_move(new_index, context)
} {
context.push_msg(e.to_string());
}
}
} else {
}
}
MouseEvent::Press(MouseButton::Left, _, y)
if y > layout_rect[1].y && y <= layout_rect[1].y + layout_rect[1].height => {}
_ => {}
}
context.flush_event();
}
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