1118 lines
34 KiB
Rust
1118 lines
34 KiB
Rust
/*
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* meli
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*
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* Copyright 2017-2020 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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use super::*;
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use std::collections::HashMap;
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type AutoCompleteFn = Box<dyn Fn(&Context, &str) -> Vec<AutoCompleteEntry> + Send + Sync>;
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#[derive(Debug, PartialEq)]
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enum FormFocus {
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Fields,
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Buttons,
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TextInput,
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}
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type Cursor = usize;
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impl Default for FormFocus {
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fn default() -> FormFocus {
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FormFocus::Fields
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}
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}
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pub enum Field {
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Text(UText, Option<(AutoCompleteFn, AutoComplete)>),
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Choice(Vec<String>, Cursor),
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}
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impl Debug for Field {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match self {
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Text(s, _) => fmt::Debug::fmt(s, f),
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k => fmt::Debug::fmt(k, f),
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}
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}
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}
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use crate::Field::*;
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impl Default for Field {
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fn default() -> Field {
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Field::Text(UText::new(String::with_capacity(256)), None)
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}
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}
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impl Field {
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pub fn as_str(&self) -> &str {
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match self {
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Text(ref s, _) => s.as_str(),
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Choice(ref v, cursor) => {
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if v.is_empty() {
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""
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} else {
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v[*cursor].as_str()
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}
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}
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}
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}
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pub fn cursor(&self) -> usize {
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match self {
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Text(ref s, _) => s.grapheme_pos(),
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Choice(_, ref cursor) => *cursor,
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}
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}
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pub fn is_empty(&self) -> bool {
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self.as_str().is_empty()
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}
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pub fn into_string(self) -> String {
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match self {
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Text(s, _) => s.into_string(),
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Choice(mut v, cursor) => v.remove(cursor),
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}
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}
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pub fn clear(&mut self) {
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match self {
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Text(s, _) => s.clear(),
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Choice(_, _) => {}
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}
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}
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pub fn draw_cursor(
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&mut self,
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grid: &mut CellBuffer,
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area: Area,
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secondary_area: Area,
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context: &mut Context,
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) {
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let upper_left = upper_left!(area);
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match self {
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Text(ref term, auto_complete_fn) => {
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change_colors(
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grid,
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(
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pos_inc(upper_left, (term.grapheme_pos(), 0)),
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(pos_inc(upper_left, (term.grapheme_pos(), 0))),
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),
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Color::Default,
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Color::Byte(248),
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);
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if term.grapheme_len() <= 2 {
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return;
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}
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if let Some((auto_complete_fn, auto_complete)) = auto_complete_fn {
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let entries = auto_complete_fn(context, term.as_str());
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auto_complete.set_suggestions(entries);
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auto_complete.draw(grid, secondary_area, context);
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}
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}
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Choice(_, _cursor) => {}
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}
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}
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}
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impl Component for Field {
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fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
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let theme_attr = crate::conf::value(context, "widgets.form.field");
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write_string_to_grid(
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self.as_str(),
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grid,
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theme_attr.fg,
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theme_attr.bg,
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theme_attr.attrs,
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area,
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None,
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);
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}
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fn process_event(&mut self, event: &mut UIEvent, _context: &mut Context) -> bool {
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if let Text(ref mut s, Some((_, auto_complete))) = self {
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if let UIEvent::InsertInput(Key::Char('\t')) = event {
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if let Some(suggestion) = auto_complete.get_suggestion() {
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*s = UText::new(suggestion);
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let len = s.as_str().len();
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s.set_cursor(len);
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return true;
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}
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}
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}
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match *event {
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UIEvent::InsertInput(Key::Up) => {
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if let Text(_, Some((_, auto_complete))) = self {
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auto_complete.dec_cursor();
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} else {
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return false;
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}
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}
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UIEvent::InsertInput(Key::Down) => {
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if let Text(_, Some((_, auto_complete))) = self {
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auto_complete.inc_cursor();
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} else {
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return false;
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}
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}
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UIEvent::InsertInput(Key::Right) => match self {
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Text(ref mut s, _) => {
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s.cursor_inc();
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}
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Choice(ref vec, ref mut cursor) => {
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*cursor = if *cursor == vec.len().saturating_sub(1) {
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0
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} else {
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*cursor + 1
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};
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}
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},
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UIEvent::InsertInput(Key::Left) => match self {
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Text(ref mut s, _) => {
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s.cursor_dec();
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}
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Choice(_, ref mut cursor) => {
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if *cursor == 0 {
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return false;
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} else {
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*cursor -= 1;
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}
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}
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},
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UIEvent::InsertInput(Key::Char(k)) => {
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if let Text(ref mut s, _) = self {
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s.insert_char(k);
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}
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}
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UIEvent::InsertInput(Key::Paste(ref p)) => {
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if let Text(ref mut s, _) = self {
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for c in p.chars() {
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s.insert_char(c);
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}
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}
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}
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UIEvent::InsertInput(Key::Backspace) | UIEvent::InsertInput(Key::Ctrl('h')) => {
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if let Text(ref mut s, auto_complete) = self {
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s.backspace();
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if let Some(ac) = auto_complete.as_mut() {
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ac.1.set_suggestions(Vec::new());
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}
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}
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}
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UIEvent::InsertInput(Key::Ctrl('a')) => {
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if let Text(ref mut s, _) = self {
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s.set_cursor(0);
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}
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}
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UIEvent::InsertInput(Key::Ctrl('b')) => {
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/* Backward one character */
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if let Text(ref mut s, _) = self {
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s.cursor_dec();
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}
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}
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UIEvent::InsertInput(Key::Ctrl('f')) => {
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/* Forward one character */
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if let Text(ref mut s, _) = self {
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s.cursor_inc();
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}
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}
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UIEvent::InsertInput(Key::Ctrl('w')) => {
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/* Cut previous word */
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if let Text(ref mut s, _) = self {
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while s.as_str()[..s.cursor_pos()]
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.last_grapheme()
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.map(|(_, graph)| !graph.is_empty() && graph.trim().is_empty())
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.unwrap_or(false)
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{
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s.backspace();
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}
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while s.as_str()[..s.cursor_pos()]
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.last_grapheme()
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.map(|(_, graph)| !graph.is_empty() && !graph.trim().is_empty())
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.unwrap_or(false)
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{
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s.backspace();
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}
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}
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}
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UIEvent::InsertInput(Key::Ctrl('u')) => {
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if let Text(ref mut s, _) = self {
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s.cut_left()
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}
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}
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UIEvent::InsertInput(Key::Ctrl('e')) => {
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if let Text(ref mut s, _) = self {
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s.set_cursor(s.as_str().len());
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}
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}
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/* TODO: add rest of readline shortcuts */
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_ => {
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return false;
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}
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}
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self.set_dirty(true);
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true
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}
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fn is_dirty(&self) -> bool {
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false
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}
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fn set_dirty(&mut self, _value: bool) {}
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fn id(&self) -> ComponentId {
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ComponentId::nil()
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}
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fn set_id(&mut self, _id: ComponentId) {}
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}
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impl fmt::Display for Field {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(
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f,
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"{}",
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match self {
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Text(ref s, _) => s.as_str().to_string(),
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Choice(ref v, ref cursor) => v[*cursor].clone(),
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}
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)
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}
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}
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#[derive(Debug, Default)]
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pub struct FormWidget {
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fields: HashMap<String, Field>,
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layout: Vec<String>,
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buttons: ButtonWidget<bool>,
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field_name_max_length: usize,
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cursor: usize,
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focus: FormFocus,
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hide_buttons: bool,
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dirty: bool,
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id: ComponentId,
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}
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impl fmt::Display for FormWidget {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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Display::fmt("", f)
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}
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}
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impl FormWidget {
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pub fn new(action: String) -> FormWidget {
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FormWidget {
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buttons: ButtonWidget::new((action, true)),
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focus: FormFocus::Fields,
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hide_buttons: false,
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id: ComponentId::new_v4(),
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dirty: true,
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..Default::default()
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}
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}
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pub fn cursor(&self) -> usize {
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self.cursor
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}
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pub fn set_cursor(&mut self, new_cursor: usize) {
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self.cursor = new_cursor;
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}
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pub fn hide_buttons(&mut self) {
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self.hide_buttons = true;
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}
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pub fn len(&self) -> usize {
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self.layout.len()
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}
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pub fn add_button(&mut self, val: (String, bool)) {
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self.buttons.push(val);
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}
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pub fn push_choices(&mut self, value: (String, Vec<String>)) {
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self.field_name_max_length = std::cmp::max(self.field_name_max_length, value.0.len());
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self.layout.push(value.0.clone());
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self.fields.insert(value.0, Choice(value.1, 0));
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}
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pub fn push_cl(&mut self, value: (String, String, AutoCompleteFn)) {
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self.field_name_max_length = std::cmp::max(self.field_name_max_length, value.0.len());
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self.layout.push(value.0.clone());
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self.fields.insert(
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value.0,
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Text(
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UText::new(value.1),
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Some((value.2, AutoComplete::new(Vec::new()))),
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),
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);
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}
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pub fn push(&mut self, value: (String, String)) {
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self.field_name_max_length = std::cmp::max(self.field_name_max_length, value.0.len());
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self.layout.push(value.0.clone());
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self.fields.insert(value.0, Text(UText::new(value.1), None));
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}
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pub fn insert(&mut self, index: usize, value: (String, Field)) {
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self.layout.insert(index, value.0.clone());
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self.fields.insert(value.0, value.1);
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}
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pub fn values_mut(&mut self) -> &mut HashMap<String, Field> {
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&mut self.fields
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}
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pub fn collect(self) -> Option<HashMap<String, Field>> {
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if let Some(true) = self.buttons_result() {
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Some(self.fields)
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} else {
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None
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}
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}
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pub fn buttons_result(&self) -> Option<bool> {
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self.buttons.result
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}
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}
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impl Component for FormWidget {
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fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
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let upper_left = upper_left!(area);
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let bottom_right = bottom_right!(area);
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if self.dirty {
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let theme_default = crate::conf::value(context, "theme_default");
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clear_area(
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grid,
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(
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upper_left,
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set_y(bottom_right, get_y(upper_left) + self.layout.len()),
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),
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theme_default,
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);
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let label_attrs = crate::conf::value(context, "widgets.form.label");
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for (i, k) in self.layout.iter().enumerate() {
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let v = self.fields.get_mut(k).unwrap();
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/* Write field label */
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write_string_to_grid(
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k.as_str(),
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grid,
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label_attrs.fg,
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label_attrs.bg,
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label_attrs.attrs,
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(
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pos_inc(upper_left, (1, i)),
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set_y(bottom_right, i + get_y(upper_left)),
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),
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None,
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);
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/* draw field */
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v.draw(
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grid,
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(
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pos_inc(upper_left, (self.field_name_max_length + 3, i)),
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set_y(bottom_right, i + get_y(upper_left)),
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),
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context,
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);
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/* Highlight if necessary */
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if i == self.cursor {
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if self.focus == FormFocus::Fields {
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let mut field_attrs =
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crate::conf::value(context, "widgets.form.highlighted");
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if !context.settings.terminal.use_color() {
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field_attrs.attrs |= Attr::REVERSE;
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}
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for row in grid.bounds_iter((
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pos_inc(upper_left, (0, i)),
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(get_x(bottom_right).saturating_sub(1), i + get_y(upper_left)),
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)) {
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for c in row {
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grid[c]
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.set_fg(field_attrs.fg)
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.set_bg(field_attrs.bg)
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.set_attrs(field_attrs.attrs);
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}
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}
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}
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if self.focus == FormFocus::TextInput {
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v.draw_cursor(
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grid,
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(
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pos_inc(upper_left, (self.field_name_max_length + 3, i)),
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(
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get_x(upper_left) + self.field_name_max_length + 3,
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i + get_y(upper_left),
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),
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),
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(
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pos_inc(upper_left, (self.field_name_max_length + 3, i + 1)),
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bottom_right,
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),
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context,
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);
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}
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}
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}
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let length = self.layout.len();
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clear_area(
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grid,
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(
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pos_inc(upper_left, (0, length)),
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set_y(bottom_right, length + 2 + get_y(upper_left)),
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),
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theme_default,
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);
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if !self.hide_buttons {
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self.buttons.draw(
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grid,
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(
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pos_inc(upper_left, (1, length + 3)),
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set_y(bottom_right, length + 3 + get_y(upper_left)),
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),
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context,
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);
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}
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clear_area(
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grid,
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(
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set_y(upper_left, length + 4 + get_y(upper_left)),
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bottom_right,
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),
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theme_default,
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);
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self.dirty = false;
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}
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context.dirty_areas.push_back(area);
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}
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fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
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if self.focus == FormFocus::Buttons && self.buttons.process_event(event, context) {
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return true;
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}
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|
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match *event {
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UIEvent::Input(Key::Up) if self.focus == FormFocus::Buttons => {
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self.focus = FormFocus::Fields;
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self.buttons.set_focus(false);
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}
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UIEvent::InsertInput(Key::Up) if self.focus == FormFocus::TextInput => {
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let field = self.fields.get_mut(&self.layout[self.cursor]).unwrap();
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field.process_event(event, context);
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}
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UIEvent::Input(Key::Up) => {
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self.cursor = self.cursor.saturating_sub(1);
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}
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UIEvent::InsertInput(Key::Down) if self.focus == FormFocus::TextInput => {
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let field = self.fields.get_mut(&self.layout[self.cursor]).unwrap();
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field.process_event(event, context);
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}
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UIEvent::Input(Key::Down) if self.cursor < self.layout.len().saturating_sub(1) => {
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self.cursor += 1;
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}
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UIEvent::Input(Key::Down) if self.focus == FormFocus::Fields => {
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self.focus = FormFocus::Buttons;
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self.buttons.set_focus(true);
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if self.hide_buttons {
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self.set_dirty(true);
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return false;
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}
|
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}
|
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UIEvent::InsertInput(Key::Char('\t')) if self.focus == FormFocus::TextInput => {
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let field = self.fields.get_mut(&self.layout[self.cursor]).unwrap();
|
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field.process_event(event, context);
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}
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|
UIEvent::Input(Key::Char('\n')) if self.focus == FormFocus::Fields => {
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self.focus = FormFocus::TextInput;
|
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context
|
|
.replies
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|
.push_back(UIEvent::ChangeMode(UIMode::Insert));
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}
|
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UIEvent::InsertInput(Key::Right) if self.focus == FormFocus::TextInput => {
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let field = self.fields.get_mut(&self.layout[self.cursor]).unwrap();
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field.process_event(event, context);
|
|
}
|
|
UIEvent::InsertInput(Key::Left) if self.focus == FormFocus::TextInput => {
|
|
let field = self.fields.get_mut(&self.layout[self.cursor]).unwrap();
|
|
if !field.process_event(event, context) {
|
|
self.focus = FormFocus::Fields;
|
|
context
|
|
.replies
|
|
.push_back(UIEvent::ChangeMode(UIMode::Normal));
|
|
}
|
|
}
|
|
UIEvent::ChangeMode(UIMode::Normal) if self.focus == FormFocus::TextInput => {
|
|
self.focus = FormFocus::Fields;
|
|
return false;
|
|
}
|
|
UIEvent::InsertInput(Key::Backspace) if self.focus == FormFocus::TextInput => {
|
|
let field = self.fields.get_mut(&self.layout[self.cursor]).unwrap();
|
|
field.process_event(event, context);
|
|
}
|
|
UIEvent::InsertInput(_) if self.focus == FormFocus::TextInput => {
|
|
let field = self.fields.get_mut(&self.layout[self.cursor]).unwrap();
|
|
field.process_event(event, context);
|
|
}
|
|
_ => {
|
|
return false;
|
|
}
|
|
}
|
|
self.set_dirty(true);
|
|
true
|
|
}
|
|
fn is_dirty(&self) -> bool {
|
|
self.dirty || self.buttons.is_dirty()
|
|
}
|
|
fn set_dirty(&mut self, value: bool) {
|
|
self.dirty = value;
|
|
self.buttons.set_dirty(value);
|
|
}
|
|
|
|
fn id(&self) -> ComponentId {
|
|
self.id
|
|
}
|
|
fn set_id(&mut self, id: ComponentId) {
|
|
self.id = id;
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, Default)]
|
|
pub struct ButtonWidget<T>
|
|
where
|
|
T: 'static + std::fmt::Debug + Default + Send + Sync,
|
|
{
|
|
buttons: HashMap<String, T>,
|
|
layout: Vec<String>,
|
|
|
|
result: Option<T>,
|
|
cursor: usize,
|
|
/// Is the button widget focused, i.e do we need to draw the highlighting?
|
|
focus: bool,
|
|
dirty: bool,
|
|
id: ComponentId,
|
|
}
|
|
|
|
impl<T> fmt::Display for ButtonWidget<T>
|
|
where
|
|
T: 'static + std::fmt::Debug + Default + Send + Sync,
|
|
{
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
Display::fmt("", f)
|
|
}
|
|
}
|
|
|
|
impl<T> ButtonWidget<T>
|
|
where
|
|
T: 'static + std::fmt::Debug + Default + Send + Sync,
|
|
{
|
|
pub fn new(init_val: (String, T)) -> ButtonWidget<T> {
|
|
ButtonWidget {
|
|
layout: vec![init_val.0.clone()],
|
|
buttons: vec![init_val].into_iter().collect(),
|
|
result: None,
|
|
cursor: 0,
|
|
focus: false,
|
|
dirty: true,
|
|
id: ComponentId::new_v4(),
|
|
}
|
|
}
|
|
|
|
pub fn push(&mut self, value: (String, T)) {
|
|
self.layout.push(value.0.clone());
|
|
self.buttons.insert(value.0, value.1);
|
|
}
|
|
|
|
pub fn is_resolved(&self) -> bool {
|
|
self.result.is_some()
|
|
}
|
|
|
|
pub fn set_focus(&mut self, new_val: bool) {
|
|
self.focus = new_val;
|
|
}
|
|
}
|
|
|
|
impl<T> Component for ButtonWidget<T>
|
|
where
|
|
T: 'static + std::fmt::Debug + Default + Send + Sync,
|
|
{
|
|
fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
|
|
if self.dirty {
|
|
let theme_default = crate::conf::value(context, "theme_default");
|
|
clear_area(grid, area, theme_default);
|
|
let upper_left = upper_left!(area);
|
|
|
|
let mut len = 0;
|
|
for (i, k) in self.layout.iter().enumerate() {
|
|
let cur_len = k.len();
|
|
write_string_to_grid(
|
|
k.as_str(),
|
|
grid,
|
|
theme_default.fg,
|
|
if i == self.cursor && self.focus {
|
|
Color::Byte(246)
|
|
} else {
|
|
theme_default.bg
|
|
},
|
|
Attr::BOLD,
|
|
(
|
|
pos_inc(upper_left, (len, 0)),
|
|
pos_inc(upper_left, (cur_len + len, 0)),
|
|
),
|
|
None,
|
|
);
|
|
len += cur_len + 3;
|
|
}
|
|
self.dirty = false;
|
|
}
|
|
}
|
|
fn process_event(&mut self, event: &mut UIEvent, _context: &mut Context) -> bool {
|
|
match *event {
|
|
UIEvent::Input(Key::Char('\n')) => {
|
|
self.result = Some(
|
|
self.buttons
|
|
.remove(&self.layout[self.cursor])
|
|
.unwrap_or_default(),
|
|
);
|
|
}
|
|
UIEvent::Input(Key::Left) => {
|
|
self.cursor = self.cursor.saturating_sub(1);
|
|
}
|
|
UIEvent::Input(Key::Right) if self.cursor < self.layout.len().saturating_sub(1) => {
|
|
self.cursor += 1;
|
|
}
|
|
_ => {
|
|
return false;
|
|
}
|
|
}
|
|
self.set_dirty(true);
|
|
true
|
|
}
|
|
fn is_dirty(&self) -> bool {
|
|
self.dirty
|
|
}
|
|
fn set_dirty(&mut self, value: bool) {
|
|
self.dirty = value;
|
|
}
|
|
|
|
fn id(&self) -> ComponentId {
|
|
self.id
|
|
}
|
|
fn set_id(&mut self, id: ComponentId) {
|
|
self.id = id;
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, PartialEq, Clone)]
|
|
pub struct AutoCompleteEntry {
|
|
pub entry: String,
|
|
pub description: String,
|
|
}
|
|
|
|
impl AutoCompleteEntry {
|
|
pub fn as_str(&self) -> &str {
|
|
self.entry.as_str()
|
|
}
|
|
}
|
|
|
|
impl From<String> for AutoCompleteEntry {
|
|
fn from(val: String) -> Self {
|
|
AutoCompleteEntry {
|
|
entry: val,
|
|
description: String::new(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<&(&str, &str, TokenStream)> for AutoCompleteEntry {
|
|
fn from(val: &(&str, &str, TokenStream)) -> Self {
|
|
let (a, b, _) = val;
|
|
AutoCompleteEntry {
|
|
entry: a.to_string(),
|
|
description: b.to_string(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<(String, String)> for AutoCompleteEntry {
|
|
fn from(val: (String, String)) -> Self {
|
|
let (a, b) = val;
|
|
AutoCompleteEntry {
|
|
entry: a,
|
|
description: b,
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, PartialEq, Clone)]
|
|
pub struct AutoComplete {
|
|
entries: Vec<AutoCompleteEntry>,
|
|
content: CellBuffer,
|
|
cursor: usize,
|
|
|
|
dirty: bool,
|
|
id: ComponentId,
|
|
}
|
|
|
|
impl fmt::Display for AutoComplete {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
Display::fmt("AutoComplete", f)
|
|
}
|
|
}
|
|
|
|
impl Component for AutoComplete {
|
|
fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
|
|
if self.entries.is_empty() {
|
|
return;
|
|
};
|
|
|
|
let upper_left = upper_left!(area);
|
|
self.dirty = false;
|
|
let (width, height) = self.content.size();
|
|
copy_area(
|
|
grid,
|
|
&self.content,
|
|
area,
|
|
((0, 0), (width.saturating_sub(1), height.saturating_sub(1))),
|
|
);
|
|
/* Highlight cursor */
|
|
change_colors(
|
|
grid,
|
|
(
|
|
pos_inc(upper_left, (0, self.cursor)),
|
|
pos_inc(upper_left, (width.saturating_sub(1), self.cursor)),
|
|
),
|
|
Color::Default,
|
|
Color::Byte(246),
|
|
);
|
|
context.dirty_areas.push_back(area);
|
|
}
|
|
fn process_event(&mut self, _event: &mut UIEvent, _context: &mut Context) -> bool {
|
|
false
|
|
}
|
|
fn is_dirty(&self) -> bool {
|
|
self.dirty
|
|
}
|
|
fn set_dirty(&mut self, value: bool) {
|
|
self.dirty = value;
|
|
}
|
|
|
|
fn id(&self) -> ComponentId {
|
|
self.id
|
|
}
|
|
fn set_id(&mut self, id: ComponentId) {
|
|
self.id = id;
|
|
}
|
|
}
|
|
|
|
impl AutoComplete {
|
|
pub fn new(entries: Vec<AutoCompleteEntry>) -> Self {
|
|
let mut ret = AutoComplete {
|
|
entries: Vec::new(),
|
|
content: CellBuffer::default(),
|
|
cursor: 0,
|
|
dirty: true,
|
|
id: ComponentId::new_v4(),
|
|
};
|
|
ret.set_suggestions(entries);
|
|
ret
|
|
}
|
|
|
|
pub fn set_suggestions(&mut self, entries: Vec<AutoCompleteEntry>) -> bool {
|
|
if entries.len() == self.entries.len() && entries == self.entries {
|
|
return false;
|
|
}
|
|
|
|
let mut content = CellBuffer::new(
|
|
entries
|
|
.iter()
|
|
.map(|a| a.entry.grapheme_len() + a.description.grapheme_len() + 2)
|
|
.max()
|
|
.unwrap_or(0)
|
|
+ 1,
|
|
entries.len(),
|
|
Cell::with_style(Color::Byte(23), Color::Byte(7), Attr::DEFAULT),
|
|
);
|
|
let width = content.cols();
|
|
for (i, e) in entries.iter().enumerate() {
|
|
let (x, _) = write_string_to_grid(
|
|
&e.entry,
|
|
&mut content,
|
|
Color::Byte(23),
|
|
Color::Byte(7),
|
|
Attr::DEFAULT,
|
|
((0, i), (width - 1, i)),
|
|
None,
|
|
);
|
|
write_string_to_grid(
|
|
&e.description,
|
|
&mut content,
|
|
Color::Byte(23),
|
|
Color::Byte(7),
|
|
Attr::DEFAULT,
|
|
((x + 2, i), (width - 1, i)),
|
|
None,
|
|
);
|
|
write_string_to_grid(
|
|
"▒",
|
|
&mut content,
|
|
Color::Byte(23),
|
|
Color::Byte(7),
|
|
Attr::DEFAULT,
|
|
((width - 1, i), (width - 1, i)),
|
|
None,
|
|
);
|
|
}
|
|
self.content = content;
|
|
self.entries = entries;
|
|
self.cursor = 0;
|
|
true
|
|
}
|
|
|
|
pub fn inc_cursor(&mut self) {
|
|
if self.cursor < self.entries.len().saturating_sub(1) {
|
|
self.cursor += 1;
|
|
self.set_dirty(true);
|
|
}
|
|
}
|
|
pub fn dec_cursor(&mut self) {
|
|
self.cursor = self.cursor.saturating_sub(1);
|
|
self.set_dirty(true);
|
|
}
|
|
|
|
pub fn cursor(&self) -> usize {
|
|
self.cursor
|
|
}
|
|
|
|
pub fn set_cursor(&mut self, val: usize) {
|
|
debug_assert!(val < self.entries.len());
|
|
self.cursor = val;
|
|
}
|
|
|
|
pub fn get_suggestion(&mut self) -> Option<String> {
|
|
if self.entries.is_empty() {
|
|
return None;
|
|
}
|
|
let ret = self.entries.remove(self.cursor);
|
|
self.entries.clear();
|
|
self.cursor = 0;
|
|
self.content.empty();
|
|
Some(ret.entry)
|
|
}
|
|
|
|
pub fn suggestions(&self) -> &Vec<AutoCompleteEntry> {
|
|
&self.entries
|
|
}
|
|
}
|
|
|
|
#[derive(Default)]
|
|
pub struct ScrollBar {
|
|
show_arrows: bool,
|
|
block_character: Option<char>,
|
|
}
|
|
|
|
impl ScrollBar {
|
|
pub fn set_show_arrows(&mut self, flag: bool) {
|
|
self.show_arrows = flag;
|
|
}
|
|
pub fn set_block_character(&mut self, val: Option<char>) {
|
|
self.block_character = val;
|
|
}
|
|
pub fn draw(
|
|
self,
|
|
grid: &mut CellBuffer,
|
|
area: Area,
|
|
context: &Context,
|
|
pos: usize,
|
|
visible_rows: usize,
|
|
length: usize,
|
|
) {
|
|
if length == 0 {
|
|
return;
|
|
}
|
|
let mut height = height!(area);
|
|
if height < 3 {
|
|
return;
|
|
}
|
|
if self.show_arrows {
|
|
height -= height;
|
|
}
|
|
clear_area(grid, area, crate::conf::value(context, "theme_default"));
|
|
|
|
let visible_ratio: f32 = (std::cmp::min(visible_rows, length) as f32) / (length as f32);
|
|
let scrollbar_height = std::cmp::max((visible_ratio * (height as f32)) as usize, 1);
|
|
let scrollbar_offset = {
|
|
let temp = (((pos as f32) / (length as f32)) * (height as f32)) as usize;
|
|
if temp + scrollbar_height >= height {
|
|
height - scrollbar_height
|
|
} else {
|
|
temp
|
|
}
|
|
};
|
|
let (mut upper_left, bottom_right) = area;
|
|
|
|
if self.show_arrows {
|
|
grid[upper_left].set_ch('▴');
|
|
upper_left = (upper_left.0, upper_left.1 + 1);
|
|
}
|
|
|
|
for y in get_y(upper_left)..(get_y(upper_left) + scrollbar_offset) {
|
|
grid[set_y(upper_left, y)].set_ch(' ');
|
|
}
|
|
for y in (get_y(upper_left) + scrollbar_offset)
|
|
..=(get_y(upper_left) + scrollbar_offset + scrollbar_height)
|
|
{
|
|
grid[set_y(upper_left, y)].set_ch(self.block_character.unwrap_or('█'));
|
|
}
|
|
for y in (get_y(upper_left) + scrollbar_offset + scrollbar_height + 1)..get_y(bottom_right)
|
|
{
|
|
grid[set_y(upper_left, y)].set_ch(' ');
|
|
}
|
|
if self.show_arrows {
|
|
grid[set_x(bottom_right, get_x(upper_left))].set_ch('▾');
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
pub struct ProgressSpinner {
|
|
//total_work: usize,
|
|
//finished: usize,
|
|
timer: crate::timer::PosixTimer,
|
|
stage: usize,
|
|
kind: usize,
|
|
active: bool,
|
|
dirty: bool,
|
|
id: ComponentId,
|
|
}
|
|
|
|
impl ProgressSpinner {
|
|
const KINDS: [&'static [&'static str]; 15] = [
|
|
&["▁", "▂", "▃", "▄", "▅", "▆", "▇", "█"],
|
|
&["⣀", "⣄", "⣤", "⣦", "⣶", "⣷", "⣿"],
|
|
&["⣀", "⣄", "⣆", "⣇", "⣧", "⣷", "⣿"],
|
|
&["○", "◔", "◐", "◕", "⬤"],
|
|
&["□", "◱", "◧", "▣", "■"],
|
|
&["□", "◱", "▨", "▩", "■"],
|
|
&["□", "◱", "▥", "▦", "■"],
|
|
&["░", "▒", "▓", "█"],
|
|
&["░", "█"],
|
|
&["⬜", "⬛"],
|
|
&["▱", "▰"],
|
|
&["▭", "◼"],
|
|
&["▯", "▮"],
|
|
&["◯", "⬤"],
|
|
&["⚪", "⚫"],
|
|
];
|
|
|
|
const INTERVAL: std::time::Duration = std::time::Duration::from_millis(50);
|
|
const VALUE: std::time::Duration = std::time::Duration::from_millis(500);
|
|
|
|
pub fn new(kind: usize) -> Self {
|
|
let timer = crate::timer::PosixTimer::new_with_signal(
|
|
std::time::Duration::from_millis(0),
|
|
std::time::Duration::from_millis(0),
|
|
nix::sys::signal::Signal::SIGALRM,
|
|
)
|
|
.unwrap();
|
|
debug!("Requested timer {:?} for ProgressSpinner", timer.si_value);
|
|
ProgressSpinner {
|
|
timer,
|
|
stage: 0,
|
|
kind: kind % Self::KINDS.len(),
|
|
dirty: true,
|
|
active: false,
|
|
id: ComponentId::new_v4(),
|
|
}
|
|
}
|
|
|
|
pub fn start(&mut self) {
|
|
self.active = true;
|
|
self.timer
|
|
.set_interval(Self::INTERVAL)
|
|
.set_value(Self::VALUE)
|
|
.rearm()
|
|
}
|
|
|
|
pub fn stop(&mut self) {
|
|
self.active = false;
|
|
self.stage = 0;
|
|
self.timer
|
|
.set_interval(std::time::Duration::from_millis(0))
|
|
.set_value(std::time::Duration::from_millis(0))
|
|
.rearm()
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for ProgressSpinner {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
write!(f, "progress bar")
|
|
}
|
|
}
|
|
|
|
impl Component for ProgressSpinner {
|
|
fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
|
|
if self.dirty {
|
|
let theme_attr = crate::conf::value(context, "status.bar");
|
|
clear_area(grid, area, theme_attr);
|
|
if self.active {
|
|
let stage = self.stage;
|
|
self.stage = (self.stage + 1).wrapping_rem(Self::KINDS[self.kind].len());
|
|
write_string_to_grid(
|
|
Self::KINDS[self.kind][stage],
|
|
grid,
|
|
theme_attr.fg,
|
|
theme_attr.bg,
|
|
theme_attr.attrs,
|
|
area,
|
|
None,
|
|
);
|
|
}
|
|
context.dirty_areas.push_back(area);
|
|
self.dirty = false;
|
|
}
|
|
}
|
|
|
|
fn process_event(&mut self, event: &mut UIEvent, _context: &mut Context) -> bool {
|
|
match event {
|
|
UIEvent::Timer(id) if *id == self.timer.si_value => {
|
|
self.dirty = true;
|
|
true
|
|
}
|
|
_ => false,
|
|
}
|
|
}
|
|
|
|
fn set_dirty(&mut self, new_val: bool) {
|
|
self.dirty = new_val;
|
|
}
|
|
|
|
fn is_dirty(&self) -> bool {
|
|
self.dirty
|
|
}
|
|
|
|
fn id(&self) -> ComponentId {
|
|
self.id
|
|
}
|
|
|
|
fn set_id(&mut self, id: ComponentId) {
|
|
self.id = id;
|
|
}
|
|
}
|