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use termion::event::{Key, MouseEvent, Event};
use crate::coordinates::{Coordinates, Size, Position};
pub trait Widget {
fn render(&self) -> Vec<String>;
fn get_size(&self) -> &Size;
fn get_position(&self) -> &Position;
fn set_size(&mut self, size: Size);
fn set_position(&mut self, position: Position);
fn render_header(&self) -> String;
fn on_event(&mut self, event: Event) {
match event {
Event::Key(Key::Char('q')) => panic!("It's your fault!"),
Event::Key(key) => self.on_key(key),
Event::Mouse(button) => self.on_mouse(button),
Event::Unsupported(wtf) => self.on_wtf(wtf),
}
}
fn on_key(&mut self, key: Key) {
match key {
_ => {
self.bad(Event::Key(key))
}
}
}
fn on_mouse(&mut self, event: MouseEvent) {
match event {
_ => {
self.bad(Event::Mouse(event))
}
}
}
fn on_wtf(&mut self, event: Vec<u8>) {
match event {
_ => {
self.bad(Event::Unsupported(event))
}
}
}
fn show_status(&self, status: &str) {
crate::window::show_status(status);
}
fn minibuffer(&self, query: &str) -> Option<String> {
crate::window::minibuffer(query)
}
fn bad(&mut self, event: Event) {
self.show_status(&format!("Stop the nasty stuff!! {:?} does nothing!", event));
}
fn get_header_drawlist(&mut self) -> String {
format!(
"{}{}{}{:xsize$}",
crate::term::goto_xy(1,1),
crate::term::header_color(),
self.render_header(),
" ",
xsize = crate::term::xsize()
)
}
fn get_clearlist(&self) -> String {
let (xpos, ypos) = self.get_position().position();
let (xsize, ysize) = self.get_size().size();
let mut clearcmd = String::from("");
for line in ypos..ysize {
clearcmd += &format!("{}{:xsize$}",
crate::term::goto_xy(xpos, line),
" ",
xsize=xsize as usize);
}
clearcmd
}
fn get_redraw_empty_list(&self, lines: usize) -> String {
let (xpos, ypos) = self.get_position().position();
let (xsize, ysize) = self.get_size().size();
let mut output = String::new();
if ysize as usize > lines {
let start_y = lines + 1 + ypos as usize;
for i in start_y..(ysize+2) as usize {
output += &format!("{}{:xsize$}",
crate::term::goto_xy(xpos,i as u16),
" ",
xsize = xsize as usize);
}
}
output
}
fn refresh(&mut self);
fn get_drawlist(&self) -> String;
}
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