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use crossterm::event::{KeyCode, KeyEvent};
use tui::{
backend::Backend,
layout::{Constraint, Layout, Rect},
widgets::Block,
Frame,
};
use crate::{
app::{
event::WidgetEventResult, widgets::tui_stuff::PipeGauge, Component, DataCollection, Widget,
},
canvas::Painter,
constants::SIDE_BORDERS,
data_conversion::{convert_mem_data_points, convert_mem_labels, convert_swap_data_points},
options::layout_options::LayoutRule,
};
#[derive(Debug)]
pub struct BasicMem {
bounds: Rect,
width: LayoutRule,
mem_data: (f64, String, String),
swap_data: Option<(f64, String, String)>,
use_percent: bool,
}
impl Default for BasicMem {
fn default() -> Self {
Self {
bounds: Default::default(),
width: Default::default(),
mem_data: (0.0, "0.0B/0.0B".to_string(), "0%".to_string()),
swap_data: None,
use_percent: false,
}
}
}
impl BasicMem {
/// Sets the width.
pub fn width(mut self, width: LayoutRule) -> Self {
self.width = width;
self
}
}
impl Component for BasicMem {
fn bounds(&self) -> Rect {
self.bounds
}
fn set_bounds(&mut self, new_bounds: Rect) {
self.bounds = new_bounds;
}
fn handle_key_event(&mut self, event: KeyEvent) -> WidgetEventResult {
match event.code {
KeyCode::Char('%') if event.modifiers.is_empty() => {
self.use_percent = !self.use_percent;
WidgetEventResult::Redraw
}
_ => WidgetEventResult::NoRedraw,
}
}
}
impl Widget for BasicMem {
fn get_pretty_name(&self) -> &'static str {
"Memory"
}
fn draw<B: Backend>(
&mut self, painter: &Painter, f: &mut Frame<'_, B>, area: Rect, selected: bool,
_expanded: bool,
) {
let block = Block::default()
.borders(*SIDE_BORDERS)
.border_style(painter.colours.highlighted_border_style);
let inner_area = block.inner(area);
const CONSTRAINTS: [Constraint; 2] = [Constraint::Ratio(1, 2); 2];
let split_area = Layout::default()
.direction(tui::layout::Direction::Vertical)
.constraints(CONSTRAINTS)
.split(inner_area);
if selected {
f.render_widget(block, area);
}
let mut use_percentage =
self.use_percent || (split_area[0].width as usize) < self.mem_data.1.len() + 7;
if let Some(swap_data) = &self.swap_data {
use_percentage =
use_percentage || (split_area[1].width as usize) < swap_data.1.len() + 7;
f.render_widget(
PipeGauge::default()
.ratio(swap_data.0)
.style(painter.colours.swap_style)
.gauge_style(painter.colours.swap_style)
.start_label("SWP")
.end_label(if use_percentage {
swap_data.2.clone()
} else {
swap_data.1.clone()
}),
split_area[1],
);
}
f.render_widget(
PipeGauge::default()
.ratio(self.mem_data.0)
.style(painter.colours.ram_style)
.gauge_style(painter.colours.ram_style)
.start_label("RAM")
.end_label(if use_percentage {
self.mem_data.2.clone()
} else {
self.mem_data.1.clone()
}),
split_area[0],
);
}
fn update_data(&mut self, data_collection: &DataCollection) {
let (memory_labels, swap_labels) = convert_mem_labels(data_collection);
// TODO: [Data update optimization] Probably should just make another function altogether for basic mode.
self.mem_data = if let (Some(data), Some((_, fraction))) = (
convert_mem_data_points(data_collection, false).last(),
memory_labels,
) {
(
data.1 / 100.0,
fraction.trim().to_string(),
format!("{:3.0}%", data.1.round()),
)
} else {
(0.0, "0.0B/0.0B".to_string(), "0%".to_string())
};
self.swap_data = if let (Some(data), Some((_, fraction))) = (
convert_swap_data_points(data_collection, false).last(),
swap_labels,
) {
Some((
data.1 / 100.0,
fraction.trim().to_string(),
format!("{:3.0}%", data.1.round()),
))
} else {
None
};
}
fn width(&self) -> LayoutRule {
self.width
}
fn height(&self) -> LayoutRule {
LayoutRule::Length { length: 2 }
}
}
|
