mirror of
https://github.com/FliegendeWurst/cursive.git
synced 2024-11-08 18:30:40 +00:00
Use Vec2 in backend methods
This commit is contained in:
parent
1c72ef7ade
commit
fd09b5f806
@ -4,5 +4,6 @@ rust:
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- stable
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- nightly
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script:
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- cargo check --all-features
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- cargo build --verbose --features "pancurses-backend termion-backend"
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- cargo test --verbose --features "pancurses-backend termion-backend"
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@ -1,3 +1,8 @@
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//! Backend using BearLibTerminal
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//!
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//! Requires the `blt-backend` feature.
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#![cfg(feature = "bear-lib-terminal")]
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extern crate bear_lib_terminal;
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use self::bear_lib_terminal::Color as BltColor;
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@ -220,9 +225,9 @@ impl backend::Backend for Backend {
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true
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}
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fn screen_size(&self) -> (usize, usize) {
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fn screen_size(&self) -> Vec2 {
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let Size { width, height } = terminal::state::size();
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(width as usize, height as usize)
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(width, height).into()
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}
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fn clear(&self, color: Color) {
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@ -237,8 +242,8 @@ impl backend::Backend for Backend {
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terminal::refresh();
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}
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fn print_at(&self, (x, y): (usize, usize), text: &str) {
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terminal::print_xy(x as i32, y as i32, text);
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fn print_at(&self, pos: Vec2, text: &str) {
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terminal::print_xy(pos.x as i32, pos.y as i32, text);
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}
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fn set_refresh_rate(&mut self, _: u32) {
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@ -1,3 +1,8 @@
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//! Common module for the ncurses and pancurses backends.
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//!
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//! Requires either of `ncurses-backend` or `pancurses-backend`.
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#![cfg(any(feature = "ncurses", feature = "pancurses"))]
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use event::{Event, Key};
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use std::collections::HashMap;
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use theme::{BaseColor, Color};
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@ -73,7 +73,9 @@ impl Backend {
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/// Save a new color pair.
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fn insert_color(
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&self, pairs: &mut HashMap<ColorPair, i16>, pair: ColorPair
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&self,
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pairs: &mut HashMap<ColorPair, i16>,
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pair: ColorPair,
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) -> i16 {
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let n = 1 + pairs.len() as i16;
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let target = if ncurses::COLOR_PAIRS() > i32::from(n) {
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@ -199,11 +201,11 @@ impl Backend {
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}
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impl backend::Backend for Backend {
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fn screen_size(&self) -> (usize, usize) {
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fn screen_size(&self) -> Vec2 {
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let mut x: i32 = 0;
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let mut y: i32 = 0;
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ncurses::getmaxyx(ncurses::stdscr(), &mut y, &mut x);
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(x as usize, y as usize)
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(x, y).into()
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}
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fn has_colors(&self) -> bool {
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@ -261,8 +263,8 @@ impl backend::Backend for Backend {
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ncurses::refresh();
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}
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fn print_at(&self, (x, y): (usize, usize), text: &str) {
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ncurses::mvaddstr(y as i32, x as i32, text);
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fn print_at(&self, pos: Vec2, text: &str) {
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ncurses::mvaddstr(pos.y as i32, pos.x as i32, text);
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}
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fn poll_event(&mut self) -> Event {
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@ -61,7 +61,9 @@ impl Backend {
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/// Save a new color pair.
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fn insert_color(
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&self, pairs: &mut HashMap<ColorPair, i32>, pair: ColorPair
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&self,
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pairs: &mut HashMap<ColorPair, i32>,
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pair: ColorPair,
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) -> i32 {
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let n = 1 + pairs.len() as i32;
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@ -167,9 +169,10 @@ impl Backend {
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}
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impl backend::Backend for Backend {
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fn screen_size(&self) -> (usize, usize) {
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fn screen_size(&self) -> Vec2 {
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// Coordinates are reversed here
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let (y, x) = self.window.get_max_yx();
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(x as usize, y as usize)
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(x, y).into()
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}
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fn has_colors(&self) -> bool {
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@ -227,8 +230,8 @@ impl backend::Backend for Backend {
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self.window.refresh();
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}
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fn print_at(&self, (x, y): (usize, usize), text: &str) {
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self.window.mvaddstr(y as i32, x as i32, text);
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fn print_at(&self, pos: Vec2, text: &str) {
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self.window.mvaddstr(pos.y as i32, pos.x as i32, text);
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}
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fn poll_event(&mut self) -> Event {
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@ -2,6 +2,7 @@
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use backend;
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use theme;
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use event;
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use vec::Vec2;
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pub struct Backend;
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@ -23,15 +24,15 @@ impl backend::Backend for Backend {
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false
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}
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fn screen_size(&self) -> (usize, usize) {
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(1, 1)
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fn screen_size(&self) -> Vec2 {
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(1, 1).into()
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}
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fn poll_event(&mut self) -> event::Event {
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event::Event::Exit
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}
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fn print_at(&self, _: (usize, usize), _: &str) {}
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fn print_at(&self, _: Vec2, _: &str) {}
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fn clear(&self, _: theme::Color) {}
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@ -1,42 +1,64 @@
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//! Define backends using common libraries.
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//!
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//! Cursive doesn't print anything by itself: it delegates this job to a
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//! backend library, which handles all actual input and output.
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//!
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//! This module defines the `Backend` trait, as well as a few implementations
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//! using some common libraries. Each of those included backends needs a
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//! corresonding feature to be enabled.
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use event;
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use theme;
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use vec::Vec2;
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pub mod dummy;
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/// Backend using the pure-rust termion library.
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#[cfg(feature = "termion")]
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pub mod termion;
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/// Backend using BearLibTerminal
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#[cfg(feature = "bear-lib-terminal")]
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pub mod blt;
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#[cfg(any(feature = "ncurses", feature = "pancurses"))]
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pub mod curses;
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/// Trait defining the required methods to be a backend.
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pub trait Backend {
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// TODO: take `self` by value?
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// Or implement Drop?
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/// Prepares to close the backend.
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///
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/// This should clear any state in the terminal.
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fn finish(&mut self);
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/// Refresh the screen.
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fn refresh(&mut self);
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/// Should return `true` if this backend supports colors.
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fn has_colors(&self) -> bool;
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fn screen_size(&self) -> (usize, usize);
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/// Returns the screen size.
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fn screen_size(&self) -> Vec2;
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/// Main input method
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fn poll_event(&mut self) -> event::Event;
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/// Main method used for printing
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fn print_at(&self, (usize, usize), &str);
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fn print_at(&self, pos: Vec2, text: &str);
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/// Clears the screen with the given color.
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fn clear(&self, color: theme::Color);
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/// Sets the refresh rate for the backend.
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///
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/// If no event is detected in the interval, send an `Event::Refresh`.
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fn set_refresh_rate(&mut self, fps: u32);
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// This sets the Colours and returns the previous colours
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// to allow you to set them back when you're done.
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/// Starts using a new color.
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///
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/// This should return the previously active color.
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fn set_color(&self, colors: theme::ColorPair) -> theme::ColorPair;
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/// Enables the given effect.
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fn set_effect(&self, effect: theme::Effect);
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/// Disables the given effect.
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fn unset_effect(&self, effect: theme::Effect);
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}
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@ -1,3 +1,8 @@
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//! Backend using the pure-rust termion library.
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//!
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//! Requires the `termion-backend` feature.
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#![cfg(feature = "termion")]
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extern crate termion;
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extern crate chan_signal;
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@ -203,9 +208,9 @@ impl backend::Backend for Backend {
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true
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}
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fn screen_size(&self) -> (usize, usize) {
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fn screen_size(&self) -> Vec2 {
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let (x, y) = termion::terminal_size().unwrap_or((1, 1));
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(x as usize, y as usize)
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(x, y).into()
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}
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fn clear(&self, color: theme::Color) {
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@ -220,10 +225,10 @@ impl backend::Backend for Backend {
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self.terminal.flush().unwrap();
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}
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fn print_at(&self, (x, y): (usize, usize), text: &str) {
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fn print_at(&self, pos: Vec2, text: &str) {
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print!(
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"{}{}",
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termion::cursor::Goto(1 + x as u16, 1 + y as u16),
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termion::cursor::Goto(1 + pos.x as u16, 1 + pos.y as u16),
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text
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);
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}
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@ -551,12 +551,7 @@ impl Cursive {
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/// Returns the size of the screen, in characters.
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pub fn screen_size(&self) -> Vec2 {
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let (x, y) = self.backend.screen_size();
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Vec2 {
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x: x as usize,
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y: y as usize,
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}
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self.backend.screen_size()
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}
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fn layout(&mut self) {
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@ -78,7 +78,7 @@ impl<'a> Printer<'a> {
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let text = &text[..prefix_len];
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let p = p + self.offset;
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self.backend.print_at((p.x, p.y), text);
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self.backend.print_at(p, text);
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}
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/// Prints a vertical line using the given character.
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@ -93,7 +93,7 @@ impl<'a> Printer<'a> {
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let p = p + self.offset;
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for y in 0..len {
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self.backend.print_at((p.x, (p.y + y)), c);
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self.backend.print_at(p + (0,y), c);
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}
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}
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@ -109,7 +109,7 @@ impl<'a> Printer<'a> {
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let text: String = ::std::iter::repeat(c).take(len).collect();
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let p = p + self.offset;
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self.backend.print_at((p.x, p.y), &text);
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self.backend.print_at(p, &text);
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}
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/// Call the given closure with a colored printer,
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@ -18,7 +18,7 @@ where
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let spans = parse_spans(&input);
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StyledString::new(input, spans)
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StyledString::with_spans(input, spans)
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}
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/// Iterator that parse a markdown text and outputs styled spans.
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