Add tui as submodule
parent
cbd56b470e
commit
dbda703bcb
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[submodule "src/melt_ui"]
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path = src/melt_ui
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url = /home/epilys/Projects/meli/src/melt_ui
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/target
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**/*.rs.bk
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/target
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**/*.rs.bk
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Cargo.lock
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[package]
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name = "melt_ui"
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version = "0.1.0"
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authors = ["Manos Pitsidianakis <el13635@mail.ntua.gr>"]
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[dependencies]
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termion = "1.5.1"
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extern crate melt_ui;
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extern crate termion;
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use melt_ui::{State, Entity, BoxPanel, HSplit, VSplit, TextBox, MailListing};
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use termion::raw::IntoRawMode;
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use std::io::{stdout, stdin, stderr};
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use std::sync::mpsc::{sync_channel, SyncSender, Receiver};
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use std::thread;
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fn main() {
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/* Lock all stdios */
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let _stdout = stdout();
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let mut _stdout = _stdout.lock();
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let stdin = stdin();
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let stdin = stdin.lock();
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let _stderr = stderr();
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let mut _stderr = _stderr.lock();
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let mut s = State::new(_stdout.into_raw_mode().unwrap(), stdin);
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//s.hello_w();
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// let ent = Entity { width: 30, height: 30, margin_top: 0, margin_left: 0, component: Box::new(BoxPanel{}) };
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// s.register_entity(ent);
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let a = Entity {component: Box::new(TextBox::new("a text box".to_string())) };
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//let b = Entity { component: Box::new(TextBox::new("b text box".to_string())) };
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let l = Entity { component: Box::new(TextBox::new("left text box".to_string())) };
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let r = Entity { component: Box::new(TextBox::new("right text box".to_string())) };
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let b = Entity { component: Box::new(VSplit::new(l,r,50)) };
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let top = Entity { component: Box::new(HSplit::new(a, b, 70)) };
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//let bottom = Entity { component: Box::new(TextBox::new("hello world.".to_string())) };
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let bottom = Entity { component: Box::new(MailListing::new(200)) };
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let ent = Entity { component: Box::new(HSplit::new(top, bottom, 50)) };
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//
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s.register_entity(ent);
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s.render();
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}
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use std::ops::{Index, IndexMut, Deref, DerefMut};
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use position::*;
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pub trait CellAccessor: HasSize {
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fn cellvec(&self) -> &Vec<Cell>;
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fn cellvec_mut(&mut self) -> &mut Vec<Cell>;
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/// Clears `self`, using the given `Cell` as a blank.
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fn clear(&mut self, blank: Cell) {
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for cell in self.cellvec_mut().iter_mut() {
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*cell = blank;
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}
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}
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fn pos_to_index(&self, x: usize, y: usize) -> Option<usize> {
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let (cols, rows) = self.size();
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if x < cols && y < rows {
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Some((cols * y) + x)
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} else {
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None
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}
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}
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/// Returns a reference to the `Cell` at the given coordinates, or `None` if the index is out of
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/// bounds.
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///
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/// # Examples
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///
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/// ```no_run
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/// use rustty::{Terminal, CellAccessor};
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///
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/// let mut term = Terminal::new().unwrap();
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///
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/// let a_cell = term.get(5, 5);
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/// ```
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fn get(&self, x: usize, y: usize) -> Option<&Cell> {
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match self.pos_to_index(x, y) {
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Some(i) => self.cellvec().get(i),
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None => None,
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}
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}
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/// Returns a mutable reference to the `Cell` at the given coordinates, or `None` if the index
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/// is out of bounds.
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///
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/// # Examples
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///
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/// ```no_run
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/// use rustty::{Terminal, CellAccessor};
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///
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/// let mut term = Terminal::new().unwrap();
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///
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/// let a_mut_cell = term.get_mut(5, 5);
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/// ```
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fn get_mut(&mut self, x: usize, y: usize) -> Option<&mut Cell> {
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match self.pos_to_index(x, y) {
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Some(i) => self.cellvec_mut().get_mut(i),
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None => None,
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}
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}
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}
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/// An array of `Cell`s that represents a terminal display.
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///
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/// A `CellBuffer` is a two-dimensional array of `Cell`s, each pair of indices correspond to a
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/// single point on the underlying terminal.
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///
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/// The first index, `Cellbuffer[y]`, corresponds to a row, and thus the y-axis. The second
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/// index, `Cellbuffer[y][x]`, corresponds to a column within a row and thus the x-axis.
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#[derive(Debug, Clone, PartialEq, Eq)]
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pub struct CellBuffer {
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cols: usize,
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rows: usize,
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buf: Vec<Cell>,
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}
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impl CellBuffer {
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/// Constructs a new `CellBuffer` with the given number of columns and rows, using the given
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/// `cell` as a blank.
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pub fn new(cols: usize, rows: usize, cell: Cell) -> CellBuffer {
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CellBuffer {
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cols: cols,
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rows: rows,
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buf: vec![cell; cols * rows],
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}
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}
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/// Resizes `CellBuffer` to the given number of rows and columns, using the given `Cell` as
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/// a blank.
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pub fn resize(&mut self, newcols: usize, newrows: usize, blank: Cell) {
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let newlen = newcols * newrows;
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let mut newbuf: Vec<Cell> = Vec::with_capacity(newlen);
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for y in 0..newrows {
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for x in 0..newcols {
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let cell = self.get(x, y).unwrap_or(&blank);
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newbuf.push(*cell);
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}
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}
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self.buf = newbuf;
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self.cols = newcols;
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self.rows = newrows;
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}
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}
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impl HasSize for CellBuffer {
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fn size(&self) -> Size {
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(self.cols, self.rows)
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}
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}
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impl CellAccessor for CellBuffer {
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fn cellvec(&self) -> &Vec<Cell> {
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&self.buf
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}
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fn cellvec_mut(&mut self) -> &mut Vec<Cell> {
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&mut self.buf
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}
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}
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impl Deref for CellBuffer {
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type Target = [Cell];
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fn deref<'a>(&'a self) -> &'a [Cell] {
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&self.buf
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}
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}
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impl DerefMut for CellBuffer {
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fn deref_mut<'a>(&'a mut self) -> &'a mut [Cell] {
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&mut self.buf
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}
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}
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impl Index<Pos> for CellBuffer {
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type Output = Cell;
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fn index<'a>(&'a self, index: Pos) -> &'a Cell {
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let (x, y) = index;
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self.get(x, y).expect("index out of bounds")
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}
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}
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impl IndexMut<Pos> for CellBuffer {
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fn index_mut<'a>(&'a mut self, index: Pos) -> &'a mut Cell {
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let (x, y) = index;
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self.get_mut(x, y).expect("index out of bounds")
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}
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}
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impl Default for CellBuffer {
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/// Constructs a new `CellBuffer` with a size of `(0, 0)`, using the default `Cell` as a blank.
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fn default() -> CellBuffer {
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CellBuffer::new(0, 0, Cell::default())
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}
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}
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/// A single point on a terminal display.
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///
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/// A `Cell` contains a character and style.
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#[derive(Debug, Copy, Clone, PartialEq, Eq)]
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pub struct Cell {
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ch: char,
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fg: Color,
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bg: Color,
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attrs: Attr,
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}
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impl Cell {
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/// Creates a new `Cell` with the given `char`, `Color`s and `Attr`.
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///
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/// # Examples
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///
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/// ```
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/// use rustty::{Cell, Color, Attr};
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///
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/// let cell = Cell::new('x', Color::Default, Color::Green, Attr::Default);
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/// assert_eq!(cell.ch(), 'x');
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/// assert_eq!(cell.fg(), Color::Default);
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/// assert_eq!(cell.bg(), Color::Green);
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/// assert_eq!(cell.attrs(), Attr::Default);
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/// ```
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pub fn new(ch: char, fg: Color, bg: Color, attrs: Attr) -> Cell {
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Cell {
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ch: ch,
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fg: fg,
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bg: bg,
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attrs: attrs,
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}
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}
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/// Creates a new `Cell` with the given `char` and default style.
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///
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/// # Examples
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///
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/// ```
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/// use rustty::{Cell, Color, Attr};
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///
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/// let mut cell = Cell::with_char('x');
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/// assert_eq!(cell.ch(), 'x');
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/// assert_eq!(cell.fg(), Color::Default);
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/// assert_eq!(cell.bg(), Color::Default);
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/// assert_eq!(cell.attrs(), Attr::Default);
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/// ```
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pub fn with_char(ch: char) -> Cell {
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Cell::new(ch, Color::Default, Color::Default, Attr::Default)
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}
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/// Creates a new `Cell` with the given style and a blank `char`.
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///
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/// # Examples
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///
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/// ```
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/// use rustty::{Cell, Color, Attr};
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///
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/// let mut cell = Cell::with_style(Color::Default, Color::Red, Attr::Bold);
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/// assert_eq!(cell.fg(), Color::Default);
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/// assert_eq!(cell.bg(), Color::Red);
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/// assert_eq!(cell.attrs(), Attr::Bold);
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/// assert_eq!(cell.ch(), ' ');
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/// ```
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pub fn with_style(fg: Color, bg: Color, attr: Attr) -> Cell {
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Cell::new(' ', fg, bg, attr)
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}
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/// Returns the `Cell`'s character.
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///
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/// # Examples
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///
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/// ```
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/// use rustty::Cell;
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///
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/// let mut cell = Cell::with_char('x');
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/// assert_eq!(cell.ch(), 'x');
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/// ```
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pub fn ch(&self) -> char {
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self.ch
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}
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/// Sets the `Cell`'s character to the given `char`
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///
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/// # Examples
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///
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/// ```
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/// use rustty::Cell;
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///
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/// let mut cell = Cell::with_char('x');
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/// assert_eq!(cell.ch(), 'x');
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///
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/// cell.set_ch('y');
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/// assert_eq!(cell.ch(), 'y');
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/// ```
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pub fn set_ch(&mut self, newch: char) -> &mut Cell {
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self.ch = newch;
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self
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}
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/// Returns the `Cell`'s foreground `Color`.
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///
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/// # Examples
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///
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/// ```
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/// use rustty::{Cell, Color, Attr};
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///
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/// let mut cell = Cell::with_style(Color::Blue, Color::Default, Attr::Default);
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/// assert_eq!(cell.fg(), Color::Blue);
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/// ```
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pub fn get_fg(&self) -> Color {
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self.fg
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}
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/// Sets the `Cell`'s foreground `Color` to the given `Color`.
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///
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/// # Examples
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///
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/// ```
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/// use rustty::{Cell, Color, Attr};
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///
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/// let mut cell = Cell::default();
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/// assert_eq!(cell.fg(), Color::Default);
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///
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/// cell.set_fg(Color::White);
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/// assert_eq!(cell.fg(), Color::White);
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/// ```
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pub fn set_fg(&mut self, newfg: Color) -> &mut Cell {
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self.fg = newfg;
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self
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}
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/// Returns the `Cell`'s background `Color`.
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///
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/// # Examples
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///
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/// ```
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/// use rustty::{Cell, Color, Attr};
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///
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/// let mut cell = Cell::with_style(Color::Default, Color::Green, Attr::Default);
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/// assert_eq!(cell.bg(), Color::Green);
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/// ```
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pub fn get_bg(&self) -> Color {
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self.bg
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}
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/// Sets the `Cell`'s background `Color` to the given `Color`.
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///
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/// # Examples
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///
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/// ```
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/// use rustty::{Cell, Color, Attr};
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///
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/// let mut cell = Cell::default();
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/// assert_eq!(cell.bg(), Color::Default);
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///
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/// cell.set_bg(Color::Black);
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/// assert_eq!(cell.bg(), Color::Black);
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/// ```
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pub fn set_bg(&mut self, newbg: Color) -> &mut Cell {
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self.bg = newbg;
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self
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}
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pub fn attrs(&self) -> Attr {
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self.attrs
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}
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pub fn set_attrs(&mut self, newattrs: Attr) -> &mut Cell {
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self.attrs = newattrs;
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self
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}
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}
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impl Default for Cell {
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/// Constructs a new `Cell` with a blank `char` and default `Color`s.
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///
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/// # Examples
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///
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/// ```
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/// use rustty::{Cell, Color};
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///
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/// let mut cell = Cell::default();
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/// assert_eq!(cell.ch(), ' ');
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/// assert_eq!(cell.fg(), Color::Default);
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/// assert_eq!(cell.bg(), Color::Default);
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/// ```
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fn default() -> Cell {
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Cell::new(' ', Color::Default, Color::Default, Attr::Default)
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}
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}
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/// The color of a `Cell`.
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///
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/// `Color::Default` represents the default color of the underlying terminal.
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///
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/// The eight basic colors may be used directly and correspond to 0x00..0x07 in the 8-bit (256)
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/// color range; in addition, the eight basic colors coupled with `Attr::Bold` correspond to
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/// 0x08..0x0f in the 8-bit color range.
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///
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/// `Color::Byte(..)` may be used to specify a color in the 8-bit range.
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///
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/// # Examples
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///
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/// ```
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/// use rustty::Color;
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///
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/// // The default color.
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/// let default = Color::Default;
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///
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/// // A basic color.
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/// let red = Color::Red;
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///
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/// // An 8-bit color.
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/// let fancy = Color::Byte(0x01);
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///
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/// // Basic colors are also 8-bit colors (but not vice-versa).
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/// assert_eq!(red.as_byte(), fancy.as_byte())
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/// ```
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#[derive(Debug, Copy, Clone, PartialEq, Eq)]
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pub enum Color {
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Black,
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Red,
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Green,
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Yellow,
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Blue,
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Magenta,
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Cyan,
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White,
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Byte(u8),
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Default,
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}
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impl Color {
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/// Returns the `u8` representation of the `Color`.
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pub fn as_byte(&self) -> u8 {
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match *self {
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Color::Black => 0x00,
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Color::Red => 0x01,
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Color::Green => 0x02,
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Color::Yellow => 0x03,
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Color::Blue => 0x04,
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Color::Magenta => 0x05,
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Color::Cyan => 0x06,
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Color::White => 0x07,
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Color::Byte(b) => b,
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Color::Default => panic!("Attempted to cast default color to u8"),
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}
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}
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}
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/// The attributes of a `Cell`.
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///
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/// `Attr` enumerates all combinations of attributes a given style may have.
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///
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/// `Attr::Default` represents no attribute.
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///
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/// # Examples
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///
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/// ```
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/// use rustty::Attr;
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///
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/// // Default attribute.
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/// let def = Attr::Default;
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///
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/// // Base attribute.
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/// let base = Attr::Bold;
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///
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/// // Combination.
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/// let comb = Attr::UnderlineReverse;
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/// ```
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#[derive(Debug, Copy, Clone, PartialEq, Eq)]
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pub enum Attr {
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Default = 0b000,
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Bold = 0b001,
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Underline = 0b010,
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BoldUnderline = 0b011,
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Reverse = 0b100,
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BoldReverse = 0b101,
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UnderlineReverse = 0b110,
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BoldReverseUnderline = 0b111,
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}
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@ -0,0 +1,267 @@
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use std::fmt;
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use cells::{Color, Cell, CellBuffer, CellAccessor};
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use position::Pos;
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/// The upper and lower boundary char.
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||||
const HORZ_BOUNDARY: char = '─';
|
||||
/// The left and right boundary char.
|
||||
const VERT_BOUNDARY: char = '│';
|
||||
|
||||
/// The top-left corner
|
||||
const TOP_LEFT_CORNER: char = '┌';
|
||||
/// The top-right corner
|
||||
const TOP_RIGHT_CORNER: char = '┐';
|
||||
/// The bottom-left corner
|
||||
const BOTTOM_LEFT_CORNER: char = '└';
|
||||
/// The bottom-right corner
|
||||
const BOTTOM_RIGHT_CORNER: char = '┘';
|
||||
|
||||
const LIGHT_VERTICAL_AND_RIGHT: char = '├';
|
||||
|
||||
const LIGHT_VERTICAL_AND_LEFT: char = '┤';
|
||||
|
||||
const LIGHT_DOWN_AND_HORIZONTAL: char = '┬';
|
||||
|
||||
const LIGHT_UP_AND_HORIZONTAL: char = '┴';
|
||||
|
||||
pub struct Entity {
|
||||
//queue: VecDeque,
|
||||
pub component: Box<Component>, // more than one?
|
||||
}
|
||||
|
||||
impl fmt::Debug for Entity {
|
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||
write!(f, "Entity", )
|
||||
}
|
||||
}
|
||||
|
||||
pub trait Component {
|
||||
fn draw(&mut self, upper_left: Pos, bottom_right: Pos, grid: &mut CellBuffer);
|
||||
fn process_event(&mut self);
|
||||
}
|
||||
|
||||
|
||||
///A simple box with borders and no content.
|
||||
pub struct BoxPanel {
|
||||
}
|
||||
|
||||
impl Component for BoxPanel {
|
||||
fn draw(&mut self, upper_left: Pos, bottom_right: Pos, grid: &mut CellBuffer) {
|
||||
grid[upper_left].set_ch('u');
|
||||
grid[bottom_right].set_ch('b');
|
||||
let width = bottom_right.0 - upper_left.0;
|
||||
let height = bottom_right.1 - upper_left.1;
|
||||
|
||||
grid[upper_left].set_ch('┌');
|
||||
grid[(upper_left.0, bottom_right.1)].set_ch(BOTTOM_LEFT_CORNER);
|
||||
grid[(bottom_right.0, upper_left.1)].set_ch('┐');
|
||||
grid[bottom_right].set_ch('┘');
|
||||
for i in upper_left.1 + 1..bottom_right.1 {
|
||||
grid[(upper_left.0, i)].set_ch('│');
|
||||
grid[(upper_left.0 + width, i)].set_ch('│');
|
||||
}
|
||||
for i in upper_left.0+1..bottom_right.0 {
|
||||
grid[(i, upper_left.1)].set_ch('─');
|
||||
grid[(i, upper_left.1 + height)].set_ch('─');
|
||||
}
|
||||
|
||||
let width = bottom_right.0 - upper_left.0;
|
||||
let height = bottom_right.1 - upper_left.1;
|
||||
}
|
||||
fn process_event(&mut self) {
|
||||
unimplemented!();
|
||||
}
|
||||
}
|
||||
|
||||
/// A horizontally split in half container.
|
||||
pub struct HSplit {
|
||||
top: Entity,
|
||||
bottom: Entity,
|
||||
ratio: usize, // bottom/whole height * 100
|
||||
}
|
||||
|
||||
impl HSplit {
|
||||
pub fn new(top: Entity, bottom: Entity, ratio: usize) -> Self {
|
||||
HSplit {
|
||||
top: top,
|
||||
bottom: bottom,
|
||||
ratio: ratio,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
impl Component for HSplit {
|
||||
fn draw(&mut self, upper_left: Pos, bottom_right: Pos, grid: &mut CellBuffer) {
|
||||
//eprintln!("grid {:?}", grid);
|
||||
grid[upper_left].set_ch('u');
|
||||
let (a,b) = upper_left;
|
||||
grid[(a+1,b)].set_ch('h');
|
||||
let width = bottom_right.0 - upper_left.0;
|
||||
let height = bottom_right.1 - upper_left.1;
|
||||
|
||||
let total_rows = bottom_right.1 - upper_left.1;
|
||||
let bottom_entity_height = (self.ratio*total_rows )/100;
|
||||
let mid = upper_left.1 + total_rows - bottom_entity_height;
|
||||
|
||||
for i in upper_left.0..bottom_right.0+1 {
|
||||
grid[(i, mid)].set_ch('─');
|
||||
}
|
||||
let _ = self.top.component.draw(upper_left, (bottom_right.0, upper_left.1 + mid-1), grid);
|
||||
let _ = self.bottom.component.draw((upper_left.0, upper_left.1 + mid), bottom_right, grid);
|
||||
grid[bottom_right].set_ch('b');
|
||||
}
|
||||
fn process_event(&mut self) {
|
||||
unimplemented!();
|
||||
}
|
||||
}
|
||||
|
||||
/// A horizontally split in half container.
|
||||
pub struct VSplit {
|
||||
left: Entity,
|
||||
right: Entity,
|
||||
ratio: usize, // right/(container width) * 100
|
||||
}
|
||||
|
||||
impl VSplit {
|
||||
pub fn new(left: Entity, right: Entity, ratio: usize) -> Self {
|
||||
VSplit {
|
||||
left: left,
|
||||
right: right,
|
||||
ratio: ratio,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
impl Component for VSplit {
|
||||
fn draw(&mut self, upper_left: Pos, bottom_right: Pos, grid: &mut CellBuffer) {
|
||||
|
||||
eprintln!("Upper left is {:?} and bottom_right is {:?}", upper_left, bottom_right);
|
||||
let width = bottom_right.0 - upper_left.0;
|
||||
let height = bottom_right.1 - upper_left.1;
|
||||
|
||||
let total_cols = bottom_right.0 - upper_left.0;
|
||||
let right_entity_width = (self.ratio*total_cols )/100;
|
||||
let mid = bottom_right.0 - right_entity_width;
|
||||
eprintln!("total_cols {:?}, right_entity_width: {:?}, mid: {:?}",total_cols, right_entity_width, mid);
|
||||
if (upper_left.1> 1) {
|
||||
let c = grid.get(mid, upper_left.1-1).map(|a| a.ch()).unwrap_or_else(|| ' ');
|
||||
match c {
|
||||
HORZ_BOUNDARY => {
|
||||
grid[(mid, upper_left.1-1)].set_ch(LIGHT_DOWN_AND_HORIZONTAL);
|
||||
},
|
||||
_ => {},
|
||||
}
|
||||
}
|
||||
|
||||
for i in upper_left.1..bottom_right.1 {
|
||||
grid[(mid, i)].set_ch(VERT_BOUNDARY);
|
||||
}
|
||||
if (bottom_right.1> 1) {
|
||||
let c = grid.get(mid, bottom_right.1-1).map(|a| a.ch()).unwrap_or_else(|| ' ');
|
||||
match c {
|
||||
HORZ_BOUNDARY => {
|
||||
grid[(mid, bottom_right.1+1)].set_ch(LIGHT_UP_AND_HORIZONTAL);
|
||||
},
|
||||
_ => {},
|
||||
}
|
||||
}
|
||||
let _ = self.left.component.draw(upper_left, (mid-1, bottom_right.1), grid);
|
||||
let _ = self.right.component.draw((mid+1, upper_left.1), bottom_right, grid);
|
||||
}
|
||||
fn process_event(&mut self) {
|
||||
unimplemented!();
|
||||
}
|
||||
}
|
||||
|
||||
/// A box with a text content.
|
||||
pub struct TextBox {
|
||||
content: String,
|
||||
}
|
||||
|
||||
impl TextBox {
|
||||
pub fn new(s: String) -> Self {
|
||||
TextBox {
|
||||
content: s,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Component for TextBox {
|
||||
fn draw(&mut self, upper_left: Pos, bottom_right: Pos, grid: &mut CellBuffer) {
|
||||
let mut x = upper_left.0;
|
||||
let mut y = upper_left.1;
|
||||
for c in self.content.chars() {
|
||||
grid[(x,y)].set_ch(c);
|
||||
//eprintln!("printed {} in ({}, {})", c, x, y);
|
||||
x += 1;
|
||||
if x == bottom_right.0 + 1 {
|
||||
x = upper_left.0;
|
||||
}
|
||||
|
||||
if y == bottom_right.1 {
|
||||
break;
|
||||
}
|
||||
}
|
||||
//eprintln!("Upper left is {:?} and bottom_right is {:?}", upper_left, bottom_right);
|
||||
let width = bottom_right.0 - upper_left.0;
|
||||
let height = bottom_right.1 - upper_left.1;
|
||||
}
|
||||
fn process_event(&mut self) {
|
||||
unimplemented!();
|
||||
}
|
||||
}
|
||||
|
||||
const max_width: usize = 500;
|
||||
|
||||
pub struct MailListing {
|
||||
cursor_pos: usize,
|
||||
length: usize,
|
||||
// sorting
|
||||
content: CellBuffer,
|
||||
unfocused: bool,
|
||||
// content (2-d vec of bytes) or Cells?
|
||||
// current view on top of content
|
||||
// active or not? for key events
|
||||
|
||||
}
|
||||
|
||||
impl MailListing {
|
||||
pub fn new(length: usize) -> Self {
|
||||
MailListing {
|
||||
cursor_pos: 0,
|
||||
length: length,
|
||||
content: CellBuffer::new(max_width, length+1, Cell::with_char(' ')),
|
||||
unfocused: false,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Component for MailListing {
|
||||
fn draw(&mut self, upper_left: Pos, bottom_right: Pos, grid: &mut CellBuffer) {
|
||||
let mut height = 0;
|
||||
let mut stripe = false;
|
||||
for y in upper_left.1..bottom_right.1 {
|
||||
if height == self.length {
|
||||
/* for loop */
|
||||
for _y in y..bottom_right.1 {
|
||||
for x in upper_left.0..bottom_right.0 {
|
||||
grid[(x,y)].set_ch(' ');
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
for x in upper_left.0..bottom_right.0 {
|
||||
//grid[(x,y)].set_ch(self.content[(x-upper_left.0+1, y-upper_left.1+1)].ch());
|
||||
grid[(x,y)].set_ch(if stripe { 't' } else { 'f'} );
|
||||
grid[(x,y)].set_bg(if stripe { Color::Byte(246) } else {Color::Default });
|
||||
}
|
||||
stripe = if stripe { false } else { true };
|
||||
height +1 ;
|
||||
}
|
||||
}
|
||||
fn process_event(&mut self) {
|
||||
unimplemented!();
|
||||
}
|
||||
}
|
|
@ -0,0 +1,102 @@
|
|||
extern crate termion;
|
||||
|
||||
|
||||
use termion::{clear, cursor};
|
||||
|
||||
|
||||
|
||||
//use std::env;
|
||||
use std::io::{Read, Write};
|
||||
//use std::collections::VecDeque;
|
||||
//use std::process;
|
||||
|
||||
|
||||
mod components;
|
||||
mod position;
|
||||
mod cells;
|
||||
use cells::{Cell, CellBuffer};
|
||||
use position::Pos;
|
||||
|
||||
pub use self::components::*;
|
||||
pub use self::position::*;
|
||||
|
||||
|
||||
pub struct UIEvent {
|
||||
}
|
||||
|
||||
pub struct State<R, W: Write> {
|
||||
width: usize,
|
||||
height: usize,
|
||||
|
||||
grid: CellBuffer,
|
||||
stdin: R,
|
||||
pub stdout: W,
|
||||
entities: Vec<Entity>,
|
||||
|
||||
}
|
||||
|
||||
impl<R: Read, W: Write> State<R,W> {
|
||||
pub fn new(stdout: W, stdin: R) -> Self {
|
||||
let termsize = termion::terminal_size().ok();
|
||||
let termwidth = termsize.map(|(w,_)| w);
|
||||
let termheight = termsize.map(|(_,h)| h);
|
||||
let width = termwidth.unwrap_or(0) as usize;
|
||||
let height = termheight.unwrap_or(0) as usize;
|
||||
let mut s = State {
|
||||
width: width,
|
||||
height: height,
|
||||
//queue: VecDeque::new();
|
||||
|
||||
grid: CellBuffer::new(width+1, height+1, Cell::with_char(' ')),
|
||||
stdin: stdin,
|
||||
stdout: stdout,
|
||||
entities: Vec::with_capacity(2),
|
||||
};
|
||||
write!(s.stdout, "{}{}", clear::All, cursor::Goto(1,1)).unwrap();
|
||||
s
|
||||
}
|
||||
pub fn hello_w(&mut self) {
|
||||
write!(self.stdout, "Hey there.").unwrap();
|
||||
}
|
||||
fn update_size(&mut self) {
|
||||
/* update dimensions. TODO: Only do that in size change events. ie SIGWINCH */
|
||||
let termsize = termion::terminal_size().ok();
|
||||
let termwidth = termsize.map(|(w,_)| w);
|
||||
let termheight = termsize.map(|(_,h)| h);
|
||||
self.width = termwidth.unwrap_or(72) as usize;
|
||||
self.height = termheight.unwrap_or(120) as usize;
|
||||
}
|
||||
|
||||
pub fn render(&mut self) {
|
||||
self.update_size();
|
||||
|
||||
/* draw each entity */ for i in 0..self.entities.len() {
|
||||
self.draw_entity(i);
|
||||
}
|
||||
|
||||
for y in 1..self.height {
|
||||
write!(self.stdout, "{}", cursor::Goto(1,y as u16)).unwrap();
|
||||
for x in 1..self.width {
|
||||
let c = self.grid[(x,y)];
|
||||
if c.get_bg() == cells::Color::Default {
|
||||
write!(self.stdout, "{}",c.ch()).unwrap();
|
||||
} else {
|
||||
write!(self.stdout, "{}{}{}", termion::color::Bg(termion::color::LightBlack),c.ch(),termion::color::Bg(termion::color::Reset)).unwrap();
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
pub fn draw_entity(&mut self, idx: usize) {
|
||||
let ref mut entity = self.entities[idx];
|
||||
eprintln!("Entity is {:?}", entity);
|
||||
let upper_left = (1,1);
|
||||
let bottom_right = (self.width, self.height);
|
||||
eprintln!("Upper left is {:?} and bottom_right is {:?}", upper_left, bottom_right);
|
||||
|
||||
entity.component.draw(upper_left, bottom_right, &mut self.grid);
|
||||
}
|
||||
pub fn register_entity(&mut self, entity: Entity) {
|
||||
self.entities.push(entity);
|
||||
}
|
||||
}
|
|
@ -0,0 +1 @@
|
|||
[2J[1;1H[1;1H
|
|
@ -0,0 +1,55 @@
|
|||
/// A `(x, y)` position on screen.
|
||||
pub type Pos = (usize, usize);
|
||||
/// A `(cols, rows)` size.
|
||||
pub type Size = (usize, usize);
|
||||
|
||||
pub trait HasSize {
|
||||
fn size(&self) -> Size;
|
||||
}
|
||||
|
||||
pub trait HasPosition {
|
||||
fn origin(&self) -> Pos;
|
||||
fn set_origin(&mut self, new_origin: Pos);
|
||||
}
|
||||
|
||||
/// A cursor position.
|
||||
pub struct Cursor {
|
||||
pos: Option<Pos>,
|
||||
last_pos: Option<Pos>,
|
||||
}
|
||||
|
||||
impl Cursor {
|
||||
pub fn new() -> Cursor {
|
||||
Cursor {
|
||||
pos: None,
|
||||
last_pos: None,
|
||||
}
|
||||
}
|
||||
|
||||
/// Checks whether the current and last coordinates are sequential and returns `true` if they
|
||||
/// are and `false` otherwise.
|
||||
pub fn is_seq(&self) -> bool {
|
||||
if let Some((cx, cy)) = self.pos {
|
||||
if let Some((lx, ly)) = self.last_pos {
|
||||
(lx + 1, ly) == (cx, cy)
|
||||
} else {
|
||||
false
|
||||
}
|
||||
} else {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
pub fn pos(&self) -> Option<Pos> {
|
||||
self.pos
|
||||
}
|
||||
|
||||
pub fn set_pos(&mut self, newpos: Option<Pos>) {
|
||||
self.last_pos = self.pos;
|
||||
self.pos = newpos;
|
||||
}
|
||||
|
||||
pub fn invalidate_last_pos(&mut self) {
|
||||
self.last_pos = None;
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue