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Added new way of calculating the table widths in order to avoid some tui-rs bug causing the lines to freak out.

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This commit is contained in:
ClementTsang 2020-01-10 23:41:16 -05:00
parent c5855e7b0a
commit ef9e478daf
2 changed files with 156 additions and 48 deletions
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2
.gitignore vendored
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@ -10,4 +10,4 @@ Cargo.lock
**/*.rs.bk
*.log
.vscode

202
src/canvas.rs
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@ -450,6 +450,14 @@ fn draw_cpu_legend<B: backend::Backend>(
)
});
// Calculate widths
let width = f64::from(draw_loc.width);
let width_ratios = vec![0.5, 0.5];
let variable_intrinsic_results = get_variable_intrinsic_widths(width as u16, &width_ratios, 4);
let intrinsic_widths: Vec<u16> =
((variable_intrinsic_results.0)[0..variable_intrinsic_results.1]).to_vec();
// Draw
Table::new(["CPU", "Use%"].iter(), cpu_rows)
.block(Block::default().borders(Borders::ALL).border_style(
match app_state.current_application_position {
@ -458,7 +466,12 @@ fn draw_cpu_legend<B: backend::Backend>(
},
))
.header_style(Style::default().fg(Color::LightBlue))
.widths(&[Constraint::Percentage(50), Constraint::Percentage(50)])
.widths(
&(intrinsic_widths
.into_iter()
.map(|calculated_width| Constraint::Length(calculated_width as u16))
.collect::<Vec<_>>()),
)
.render(f, draw_loc);
}
@ -610,6 +623,18 @@ fn draw_network_labels<B: backend::Backend>(
};
let mapped_network = total_network.iter().map(|val| Row::Data(val.iter()));
// Calculate widths
let width = f64::from(draw_loc.width);
let width_ratios = if cfg!(not(target_os = "windows")) {
vec![0.25, 0.25, 0.25, 0.25]
} else {
vec![0.25, 0.25]
};
let variable_intrinsic_results = get_variable_intrinsic_widths(width as u16, &width_ratios, 8);
let intrinsic_widths: Vec<u16> =
((variable_intrinsic_results.0)[0..variable_intrinsic_results.1]).to_vec();
// Draw
Table::new(
if cfg!(not(target_os = "windows")) {
vec!["RX", "TX", "Total RX", "Total TX"]
@ -626,16 +651,12 @@ fn draw_network_labels<B: backend::Backend>(
},
))
.header_style(Style::default().fg(Color::LightBlue))
.widths(&if cfg!(not(target_os = "windows")) {
vec![
Constraint::Percentage(25),
Constraint::Percentage(25),
Constraint::Percentage(25),
Constraint::Percentage(25),
]
} else {
vec![Constraint::Percentage(50), Constraint::Percentage(50)]
})
.widths(
&(intrinsic_widths
.into_iter()
.map(|calculated_width| Constraint::Length(calculated_width as u16))
.collect::<Vec<_>>()),
)
.render(f, draw_loc);
}
@ -676,6 +697,15 @@ fn draw_temp_table<B: backend::Backend>(
},
)
});
// Calculate widths
let width = f64::from(draw_loc.width);
let width_ratios = [0.5, 0.5];
let variable_intrinsic_results = get_variable_intrinsic_widths(width as u16, &width_ratios, 6);
let intrinsic_widths: Vec<u16> =
((variable_intrinsic_results.0)[0..variable_intrinsic_results.1]).to_vec();
// Draw
Table::new(["Sensor", "Temp"].iter(), temperature_rows)
.block(
Block::default()
@ -687,7 +717,12 @@ fn draw_temp_table<B: backend::Backend>(
}),
)
.header_style(Style::default().fg(Color::LightBlue))
.widths(&[Constraint::Percentage(50), Constraint::Percentage(50)])
.widths(
&(intrinsic_widths
.into_iter()
.map(|calculated_width| Constraint::Length(calculated_width as u16))
.collect::<Vec<_>>()),
)
.render(f, draw_loc);
}
@ -726,36 +761,40 @@ fn draw_disk_table<B: backend::Backend>(
)
});
// Calculate widths
// FIXME: I don't like how this is hard coded for the threshold but it might be fine? If you change this, make sure to change the others too!
// FIXME: It would also make more sense to instead pass in the lengths of each HEADER... that way we know for each what the max thresh is.
// TODO: We can also add double-scanning to allow reducing of smaller elements...
let width = f64::from(draw_loc.width);
Table::new(
["Disk", "Mount", "Used", "Free", "Total", "R/s", "W/s"].iter(),
disk_rows,
)
.block(
Block::default()
.title("Disk")
.borders(Borders::ALL)
.border_style(match app_state.current_application_position {
app::ApplicationPosition::Disk => *CANVAS_HIGHLIGHTED_BORDER_STYLE,
_ => *CANVAS_BORDER_STYLE,
}),
)
.header_style(
Style::default()
.fg(Color::LightBlue)
.modifier(Modifier::BOLD),
)
.widths(&[
Constraint::Length((width * 0.18) as u16),
Constraint::Length((width * 0.14) as u16),
Constraint::Length((width * 0.11) as u16),
Constraint::Length((width * 0.11) as u16),
Constraint::Length((width * 0.11) as u16),
Constraint::Length((width * 0.11) as u16),
Constraint::Length((width * 0.11) as u16),
Constraint::Length((width * 0.11) as u16),
])
.render(f, draw_loc);
let width_ratios = [0.2, 0.15, 0.13, 0.13, 0.13];
let variable_intrinsic_results = get_variable_intrinsic_widths(width as u16, &width_ratios, 5);
let intrinsic_widths: Vec<u16> =
((variable_intrinsic_results.0)[0..variable_intrinsic_results.1]).to_vec();
// Draw!
let headers = ["Disk", "Mount", "Used", "Free", "Total", "R/s", "W/s"];
Table::new(headers.iter(), disk_rows)
.block(
Block::default()
.title("Disk")
.borders(Borders::ALL)
.border_style(match app_state.current_application_position {
app::ApplicationPosition::Disk => *CANVAS_HIGHLIGHTED_BORDER_STYLE,
_ => *CANVAS_BORDER_STYLE,
}),
)
.header_style(
Style::default()
.fg(Color::LightBlue)
.modifier(Modifier::BOLD),
)
.widths(
&(intrinsic_widths
.into_iter()
.map(|calculated_width| Constraint::Length(calculated_width as u16))
.collect::<Vec<_>>()),
)
.render(f, draw_loc);
}
fn draw_processes_table<B: backend::Backend>(
@ -784,6 +823,14 @@ fn draw_processes_table<B: backend::Backend>(
let sliced_vec: Vec<ConvertedProcessData> = (&process_data[start_position as usize..]).to_vec();
let mut process_counter = 0;
// Calculate widths
let width = f64::from(draw_loc.width);
let width_ratios = [0.2, 0.4, 0.2, 0.2];
let variable_intrinsic_results = get_variable_intrinsic_widths(width as u16, &width_ratios, 7);
let intrinsic_widths: Vec<u16> =
((variable_intrinsic_results.0)[0..variable_intrinsic_results.1]).to_vec();
// Draw!
let process_rows = sliced_vec.iter().map(|process| {
let stringified_process_vec: Vec<String> = vec![
if app_state.is_grouped() {
@ -852,16 +899,77 @@ fn draw_processes_table<B: backend::Backend>(
}),
)
.header_style(Style::default().fg(Color::LightBlue))
.widths(&[
Constraint::Percentage(20),
Constraint::Percentage(35),
Constraint::Percentage(20),
Constraint::Percentage(20),
])
.widths(
&(intrinsic_widths
.into_iter()
.map(|calculated_width| Constraint::Length(calculated_width as u16))
.collect::<Vec<_>>()),
)
.render(f, draw_loc);
}
}
/// A somewhat jury-rigged solution to simulate a variable intrinsic layout for
/// table widths. Note that this will do one main pass to try to properly
/// allocate widths. This will thus potentially cut off latter elements
/// (return size of 0) if it is too small (threshold), but will try its best.
///
/// The width threshold should be a u16 in which anything less than that is invalid.
fn get_variable_intrinsic_widths(
total_width: u16, desired_widths_ratio: &[f64], width_threshold: u16,
) -> (Vec<u16>, usize) {
let num_widths = desired_widths_ratio.len();
let width_threshold_i32: i32 = width_threshold as i32;
let mut resulting_widths: Vec<u16> = vec![0; num_widths];
let mut last_index = 0;
let mut remaining_width = (total_width - (num_widths as u16 - 1)) as i32; // Required for spaces...
let desired_widths = desired_widths_ratio
.iter()
.map(|&desired_width_ratio| (desired_width_ratio * total_width as f64) as i32)
.collect::<Vec<_>>();
for (itx, desired_width) in desired_widths.into_iter().enumerate() {
resulting_widths[itx] = if desired_width < width_threshold_i32 {
// Try to take threshold, else, 0
if remaining_width < width_threshold_i32 {
0
} else {
remaining_width -= width_threshold_i32;
width_threshold
}
} else {
// Take as large as possible
if (remaining_width - desired_width) < 0 {
// Check the biggest chunk possible
if remaining_width < width_threshold_i32 {
0
} else {
let temp_width = remaining_width;
remaining_width = 0;
temp_width as u16
}
} else {
remaining_width -= desired_width;
desired_width as u16
}
};
if resulting_widths[itx] == 0 {
break;
} else {
last_index += 1;
}
}
// debug!(
// "resulting widths: {:?}, last index: {}, size: {}",
// resulting_widths, last_index, total_width
// );
(resulting_widths, last_index)
}
fn get_start_position(
num_rows: i64, scroll_direction: &app::ScrollDirection, previous_position: &mut i64,
currently_selected_position: &mut i64,