1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
use std::io::{self, Write};
use rustyline::completion::{Candidate, Completer, FilenameCompleter, Pair};
use rustyline::line_buffer;
use termion::clear;
use termion::cursor::Goto;
use termion::event::Key;
use termion::input::TermRead;
use termion::raw::IntoRawMode;
use termion::screen::AlternateScreen;
use tui::backend::{Backend, TermionBackend};
use tui::layout::{Constraint, Direction, Layout, Rect};
use tui::style::{Color, Style};
use tui::widgets::{Block, Borders, List, Paragraph, Text, Widget};
use tui::Terminal;
use unicode_width::UnicodeWidthStr;
use crate::ui::TuiBackend;
use crate::util::event::{Event, Events};
use crate::window;
use crate::KEYMAP_T;
struct CompletionTracker {
pub index: usize,
pub pos: usize,
pub original: String,
pub candidates: Vec<Pair>,
}
impl CompletionTracker {
pub fn new(pos: usize, candidates: Vec<Pair>, original: String) -> Self {
CompletionTracker {
index: 0,
pos,
original,
candidates,
}
}
}
pub struct TextField<'a> {
backend: &'a mut TuiBackend,
events: &'a Events,
}
impl<'a> TextField<'a> {
pub fn new(backend: &'a mut TuiBackend, events: &'a Events) -> Self {
Self { backend, events }
}
/*
Paragraph::new(paragraph_contents.iter())
.wrap(true)
.render(&mut f, Rect { x: 0, y: 0, height: 2, width: f_size.width});
*/
pub fn readline(&mut self) -> Option<String> {
let mut input_string = String::with_capacity(64);
let events = self.events;
// initially, clear the line for textfield and move the cursor there as well
{
let f_size = {
let frame = self.backend.terminal.get_frame();
frame.size()
};
let txt_y = f_size.height;
let termion_terminal = self.backend.terminal.backend_mut();
write!(termion_terminal, "{}", Goto(1, txt_y));
write!(termion_terminal, "{}{}", Goto(1, txt_y), clear::AfterCursor,);
}
loop {
let f_size = {
let frame = self.backend.terminal.get_frame();
frame.size()
};
let txt_y = f_size.height;
let termion_terminal = self.backend.terminal.backend_mut();
write!(termion_terminal, "{}", Goto(1, txt_y));
write!(
termion_terminal,
"{}{}",
input_string,
Goto(1 + input_string.width() as u16, txt_y)
);
io::stdout().flush().ok();
// Handle input
if let Ok(event) = events.next() {
match event {
Event::Input(input) => match input {
Key::Char('\n') => {
break;
}
Key::Esc => {
write!(termion_terminal, "{}{}", Goto(1, txt_y), clear::AfterCursor,);
return None;
}
Key::Backspace => {
input_string.pop();
}
Key::Char(c) => {
input_string.push(c);
}
_ => {}
},
_ => {}
}
}
}
eprintln!("You typed: {}", input_string);
Some(input_string)
}
}
|
