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fix: filter out wide unicode characters on windows

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defiori 2019-02-15 13:14:43 +00:00 committed by Florian Dehau
parent 4a1f3cd61f
commit 624e6ee047
1 changed files with 61 additions and 49 deletions
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110
src/backend/curses.rs
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@ -4,12 +4,12 @@ use crate::backend::Backend;
use crate::buffer::Cell;
use crate::layout::Rect;
use crate::style::{Color, Modifier, Style};
use unicode_segmentation::UnicodeSegmentation;
use crate::symbols::{bar, block};
#[cfg(unix)]
use crate::symbols::{bar, block, line, DOT};
use crate::symbols::{line, DOT};
#[cfg(unix)]
use pancurses::ToChtype;
#[cfg(unix)]
use unicode_segmentation::UnicodeSegmentation;
pub struct CursesBackend {
curses: easycurses::EasyCurses,
@ -137,58 +137,70 @@ struct CursesStyle {
/// Deals with lack of unicode support for ncurses on unix
fn draw(curses: &mut easycurses::EasyCurses, symbol: &str) {
for grapheme in symbol.graphemes(true) {
let ch = convert_to_curses_char(grapheme);
let ch = match grapheme {
line::TOP_RIGHT => pancurses::ACS_URCORNER(),
line::VERTICAL => pancurses::ACS_VLINE(),
line::HORIZONTAL => pancurses::ACS_HLINE(),
line::TOP_LEFT => pancurses::ACS_ULCORNER(),
line::BOTTOM_RIGHT => pancurses::ACS_LRCORNER(),
line::BOTTOM_LEFT => pancurses::ACS_LLCORNER(),
line::VERTICAL_LEFT => pancurses::ACS_RTEE(),
line::VERTICAL_RIGHT => pancurses::ACS_LTEE(),
line::HORIZONTAL_DOWN => pancurses::ACS_TTEE(),
line::HORIZONTAL_UP => pancurses::ACS_BTEE(),
block::FULL => pancurses::ACS_BLOCK(),
block::SEVEN_EIGHTHS => pancurses::ACS_BLOCK(),
block::THREE_QUATERS => pancurses::ACS_BLOCK(),
block::FIVE_EIGHTHS => pancurses::ACS_BLOCK(),
block::HALF => pancurses::ACS_BLOCK(),
block::THREE_EIGHTHS => ' ' as u64,
block::ONE_QUATER => ' ' as u64,
block::ONE_EIGHTH => ' ' as u64,
bar::SEVEN_EIGHTHS => pancurses::ACS_BLOCK(),
bar::THREE_QUATERS => pancurses::ACS_BLOCK(),
bar::FIVE_EIGHTHS => pancurses::ACS_BLOCK(),
bar::HALF => pancurses::ACS_BLOCK(),
bar::THREE_EIGHTHS => pancurses::ACS_S9(),
bar::ONE_QUATER => pancurses::ACS_S9(),
bar::ONE_EIGHTH => pancurses::ACS_S9(),
DOT => pancurses::ACS_BULLET(),
unicode_char => {
if unicode_char.is_ascii() {
let mut chars = unicode_char.chars();
if let Some(ch) = chars.next() {
ch.to_chtype()
} else {
pancurses::ACS_BLOCK()
}
} else {
pancurses::ACS_BLOCK()
}
}
};
curses.win.addch(ch);
}
}
#[cfg(windows)]
fn draw(curses: &mut easycurses::EasyCurses, symbol: &str) {
curses.print(symbol);
}
#[cfg(unix)]
/// Unicode to ASCII / ncurses extended characters
fn convert_to_curses_char(unicode: &str) -> pancurses::chtype {
match unicode {
line::TOP_RIGHT => pancurses::ACS_URCORNER(),
line::VERTICAL => pancurses::ACS_VLINE(),
line::HORIZONTAL => pancurses::ACS_HLINE(),
line::TOP_LEFT => pancurses::ACS_ULCORNER(),
line::BOTTOM_RIGHT => pancurses::ACS_LRCORNER(),
line::BOTTOM_LEFT => pancurses::ACS_LLCORNER(),
line::VERTICAL_LEFT => pancurses::ACS_RTEE(),
line::VERTICAL_RIGHT => pancurses::ACS_LTEE(),
line::HORIZONTAL_DOWN => pancurses::ACS_TTEE(),
line::HORIZONTAL_UP => pancurses::ACS_BTEE(),
block::FULL => pancurses::ACS_BLOCK(),
block::SEVEN_EIGHTHS => pancurses::ACS_BLOCK(),
block::THREE_QUATERS => pancurses::ACS_BLOCK(),
block::FIVE_EIGHTHS => pancurses::ACS_BLOCK(),
block::HALF => pancurses::ACS_BLOCK(),
block::THREE_EIGHTHS => pancurses::ACS_BLOCK(),
block::ONE_QUATER => pancurses::ACS_BLOCK(),
block::ONE_EIGHTH => pancurses::ACS_BLOCK(),
bar::SEVEN_EIGHTHS => pancurses::ACS_BLOCK(),
bar::THREE_QUATERS => pancurses::ACS_BLOCK(),
bar::FIVE_EIGHTHS => pancurses::ACS_BLOCK(),
bar::HALF => pancurses::ACS_BLOCK(),
bar::THREE_EIGHTHS => pancurses::ACS_BLOCK(),
bar::ONE_QUATER => pancurses::ACS_BLOCK(),
bar::ONE_EIGHTH => pancurses::ACS_BLOCK(),
DOT => pancurses::ACS_BULLET(),
unicode_char => {
if unicode_char.is_ascii() {
let mut chars = unicode_char.chars();
if let Some(ch) = chars.next() {
ch.to_chtype()
} else {
pancurses::ACS_BLOCK()
}
} else {
pancurses::ACS_BLOCK()
}
}
for grapheme in symbol.graphemes(true) {
let ch = match grapheme {
block::SEVEN_EIGHTHS => block::FULL,
block::THREE_QUATERS => block::FULL,
block::FIVE_EIGHTHS => block::HALF,
block::THREE_EIGHTHS => block::HALF,
block::ONE_QUATER => block::HALF,
block::ONE_EIGHTH => " ",
bar::SEVEN_EIGHTHS => bar::FULL,
bar::THREE_QUATERS => bar::FULL,
bar::FIVE_EIGHTHS => bar::HALF,
bar::THREE_EIGHTHS => bar::HALF,
bar::ONE_QUATER => bar::HALF,
bar::ONE_EIGHTH => " ",
ch => ch,
};
// curses.win.addch(ch);
curses.print(ch);
}
}