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|
use crate::{
app::App,
canvas::{drawing_utils::*, Painter},
constants::*,
};
use tui::{
backend::Backend,
layout::{Constraint, Layout, Rect},
terminal::Frame,
text::Span,
text::Spans,
widgets::{Block, Paragraph},
};
pub trait MemBasicWidget {
fn draw_basic_memory<B: Backend>(
&self, f: &mut Frame<'_, B>, app_state: &mut App, draw_loc: Rect, widget_id: u64,
);
}
impl MemBasicWidget for Painter {
fn draw_basic_memory<B: Backend>(
&self, f: &mut Frame<'_, B>, app_state: &mut App, draw_loc: Rect, widget_id: u64,
) {
let mem_data: &[(f64, f64)] = &app_state.canvas_data.mem_data;
let swap_data: &[(f64, f64)] = &app_state.canvas_data.swap_data;
let margined_loc = Layout::default()
.constraints([Constraint::Percentage(100)])
.horizontal_margin(1)
.split(draw_loc);
if app_state.current_widget.widget_id == widget_id {
f.render_widget(
Block::default()
.borders(*SIDE_BORDERS)
.border_style(self.colours.highlighted_border_style),
draw_loc,
);
}
let ram_use_percentage = if let Some(mem) = mem_data.last() {
mem.1
} else {
0.0
};
let swap_use_percentage = if let Some(swap) = swap_data.last() {
swap.1
} else {
0.0
};
const EMPTY_MEMORY_FRAC_STRING: &str = "0.0B/0.0B";
let trimmed_memory_frac =
if let Some((_label_percent, label_frac)) = &app_state.canvas_data.mem_labels {
label_frac.trim()
} else {
EMPTY_MEMORY_FRAC_STRING
};
let trimmed_swap_frac =
if let Some((_label_percent, label_frac)) = &app_state.canvas_data.swap_labels {
label_frac.trim()
} else {
EMPTY_MEMORY_FRAC_STRING
};
// +7 due to 3 + 2 + 2 columns for the name & space + bar bounds + margin spacing
// Then + length of fraction
let ram_bar_length =
usize::from(draw_loc.width.saturating_sub(7)).saturating_sub(trimmed_memory_frac.len());
let swap_bar_length =
usize::from(draw_loc.width.saturating_sub(7)).saturating_sub(trimmed_swap_frac.len());
let num_bars_ram = calculate_basic_use_bars(ram_use_percentage, ram_bar_length);
let num_bars_swap = calculate_basic_use_bars(swap_use_percentage, swap_bar_length);
// TODO: Use different styling for the frac.
let mem_label = if app_state.basic_mode_use_percent {
format!(
"RAM[{}{}{:3.0}%]\n",
"|".repeat(num_bars_ram),
" ".repeat(ram_bar_length - num_bars_ram + trimmed_memory_frac.len() - 4),
ram_use_percentage.round()
)
} else {
format!(
"RAM[{}{}{}]\n",
"|".repeat(num_bars_ram),
" ".repeat(ram_bar_length - num_bars_ram),
trimmed_memory_frac
)
};
let swap_label = if app_state.basic_mode_use_percent {
format!(
"SWP[{}{}{:3.0}%]",
"|".repeat(num_bars_swap),
" ".repeat(swap_bar_length - num_bars_swap + trimmed_swap_frac.len() - 4),
swap_use_percentage.round()
)
} else {
format!(
"SWP[{}{}{}]",
"|".repeat(num_bars_swap),
" ".repeat(swap_bar_length - num_bars_swap),
trimmed_swap_frac
)
};
let mem_text = vec![
Spans::from(Span::styled(mem_label, self.colours.ram_style)),
Spans::from(Span::styled(swap_label, self.colours.swap_style)),
];
f.render_widget(
Paragraph::new(mem_text).block(Block::default()),
margined_loc[0],
);
// Update draw loc in widget map
if app_state.should_get_widget_bounds() {
if let Some(widget) = app_state.widget_map.get_mut(&widget_id) {
widget.top_left_corner = Some((draw_loc.x, draw_loc.y));
widget.bottom_right_corner =
Some((draw_loc.x + draw_loc.width, draw_loc.y + draw_loc.height));
}
}
}
}
|
