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feat(examples): use generic backend in draw functions

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This commit is contained in:
Florian Dehau 2018-11-04 18:49:30 +01:00
parent 32947669d5
commit f6d2f8f929
1 changed files with 22 additions and 9 deletions
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31
examples/demo.rs
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@ -11,9 +11,9 @@ use std::io;
use termion::event::Key; use termion::event::Key;
use termion::input::MouseTerminal; use termion::input::MouseTerminal;
use termion::raw::{IntoRawMode, RawTerminal}; use termion::raw::{IntoRawMode};
use termion::screen::AlternateScreen; use termion::screen::AlternateScreen;
use tui::backend::TermionBackend; use tui::backend::{Backend, TermionBackend};
use tui::layout::{Constraint, Direction, Layout, Rect}; use tui::layout::{Constraint, Direction, Layout, Rect};
use tui::style::{Color, Modifier, Style}; use tui::style::{Color, Modifier, Style};
use tui::widgets::canvas::{Canvas, Line, Map, MapResolution}; use tui::widgets::canvas::{Canvas, Line, Map, MapResolution};
@ -26,8 +26,6 @@ use tui::{Frame, Terminal};
use util::event::{Event, Events}; use util::event::{Event, Events};
use util::{RandomSignal, SinSignal, TabsState}; use util::{RandomSignal, SinSignal, TabsState};
type Backend = TermionBackend<AlternateScreen<MouseTerminal<RawTerminal<io::Stdout>>>>;
struct Server<'a> { struct Server<'a> {
name: &'a str, name: &'a str,
location: &'a str, location: &'a str,
@ -252,7 +250,10 @@ fn main() -> Result<(), failure::Error> {
Ok(()) Ok(())
} }
fn draw_first_tab(f: &mut Frame<Backend>, app: &App, area: Rect) { fn draw_first_tab<B>(f: &mut Frame<B>, app: &App, area: Rect)
where
B: Backend,
{
let chunks = Layout::default() let chunks = Layout::default()
.constraints( .constraints(
[ [
@ -267,7 +268,10 @@ fn draw_first_tab(f: &mut Frame<Backend>, app: &App, area: Rect) {
draw_text(f, chunks[2]); draw_text(f, chunks[2]);
} }
fn draw_gauges(f: &mut Frame<Backend>, app: &App, area: Rect) { fn draw_gauges<B>(f: &mut Frame<B>, app: &App, area: Rect)
where
B: Backend,
{
let chunks = Layout::default() let chunks = Layout::default()
.constraints([Constraint::Length(2), Constraint::Length(3)].as_ref()) .constraints([Constraint::Length(2), Constraint::Length(3)].as_ref())
.margin(1) .margin(1)
@ -293,7 +297,10 @@ fn draw_gauges(f: &mut Frame<Backend>, app: &App, area: Rect) {
.render(f, chunks[1]); .render(f, chunks[1]);
} }
fn draw_charts(f: &mut Frame<Backend>, app: &App, area: Rect) { fn draw_charts<B>(f: &mut Frame<B>, app: &App, area: Rect)
where
B: Backend,
{
let constraints = if app.show_chart { let constraints = if app.show_chart {
vec![Constraint::Percentage(50), Constraint::Percentage(50)] vec![Constraint::Percentage(50), Constraint::Percentage(50)]
} else { } else {
@ -392,7 +399,10 @@ fn draw_charts(f: &mut Frame<Backend>, app: &App, area: Rect) {
} }
} }
fn draw_text(f: &mut Frame<Backend>, area: Rect) { fn draw_text<B>(f: &mut Frame<B>, area: Rect)
where
B: Backend,
{
let text = [ let text = [
Text::raw("This is a paragraph with several lines. You can change style your text the way you want.\n\nFox example: "), Text::raw("This is a paragraph with several lines. You can change style your text the way you want.\n\nFox example: "),
Text::styled("under", Style::default().fg(Color::Red)), Text::styled("under", Style::default().fg(Color::Red)),
@ -420,7 +430,10 @@ fn draw_text(f: &mut Frame<Backend>, area: Rect) {
.render(f, area); .render(f, area);
} }
fn draw_second_tab(f: &mut Frame<Backend>, app: &App, area: Rect) { fn draw_second_tab<B>(f: &mut Frame<B>, app: &App, area: Rect)
where
B: Backend,
{
let chunks = Layout::default() let chunks = Layout::default()
.constraints([Constraint::Percentage(30), Constraint::Percentage(70)].as_ref()) .constraints([Constraint::Percentage(30), Constraint::Percentage(70)].as_ref())
.direction(Direction::Horizontal) .direction(Direction::Horizontal)