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|
use crate::components::{
visibility_blocking, CommandBlocking, CommandInfo, Component,
DrawableComponent, EventState,
};
use crate::{
app::Environment,
keys::{key_match, SharedKeyConfig},
strings, ui,
};
use crossterm::event::Event;
use ratatui::{
layout::{Alignment, Rect},
text::Span,
widgets::{Block, BorderType, Borders, Clear, Paragraph, Wrap},
Frame,
};
use ui::style::SharedTheme;
pub struct MsgPopup {
title: String,
msg: String,
visible: bool,
theme: SharedTheme,
key_config: SharedKeyConfig,
}
use anyhow::Result;
impl DrawableComponent for MsgPopup {
fn draw(&self, f: &mut Frame, _rect: Rect) -> Result<()> {
if !self.visible {
return Ok(());
}
// determine the maximum width of text block
let lens = self
.msg
.split('\n')
.map(str::len)
.collect::<Vec<usize>>();
let mut max = lens.iter().max().expect("max") + 2;
if max > std::u16::MAX as usize {
max = std::u16::MAX as usize;
}
let mut width = u16::try_from(max)
.expect("can't fail due to check above");
// dont overflow screen, and dont get too narrow
if width > f.size().width {
width = f.size().width;
} else if width < 60 {
width = 60;
}
let area = ui::centered_rect_absolute(width, 25, f.size());
f.render_widget(Clear, area);
f.render_widget(
Paragraph::new(self.msg.clone())
.block(
Block::default()
.title(Span::styled(
self.title.as_str(),
self.theme.text_danger(),
))
.borders(Borders::ALL)
.border_type(BorderType::Thick),
)
.alignment(Alignment::Left)
.wrap(Wrap { trim: true }),
area,
);
Ok(())
}
}
impl Component for MsgPopup {
fn commands(
&self,
out: &mut Vec<CommandInfo>,
_force_all: bool,
) -> CommandBlocking {
out.push(CommandInfo::new(
strings::commands::close_msg(&self.key_config),
true,
self.visible,
));
visibility_blocking(self)
}
fn event(&mut self, ev: &Event) -> Result<EventState> {
if self.visible {
if let Event::Key(e) = ev {
if key_match(e, self.key_config.keys.enter) {
self.hide();
}
}
Ok(EventState::Consumed)
} else {
Ok(EventState::NotConsumed)
}
}
fn is_visible(&self) -> bool {
self.visible
}
fn hide(&mut self) {
self.visible = false;
}
fn show(&mut self) -> Result<()> {
self.visible = true;
Ok(())
}
}
impl MsgPopup {
pub fn new(env: &Environment) -> Self {
Self {
title: String::new(),
msg: String::new(),
visible: false,
theme: env.theme.clone(),
key_config: env.key_config.clone(),
}
}
///
pub fn show_error(&mut self, msg: &str) -> Result<()> {
self.title = strings::msg_title_error(&self.key_config);
self.msg = msg.to_string();
self.show()?;
Ok(())
}
///
pub fn show_info(&mut self, msg: &str) -> Result<()> {
self.title = strings::msg_title_info(&self.key_config);
self.msg = msg.to_string();
self.show()?;
Ok(())
}
}
|
