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Customize Plot label and cursor texts (#1235)

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Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
This commit is contained in:
Sven Niederberger
2022-02-15 17:12:29 +01:00
committed by GitHub
parent cfad28936d
commit 8f8eb5d4a9
5 changed files with 124 additions and 34 deletions
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17
egui_demo_lib/src/apps/demo/plot_demo.rs
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@@ -2,8 +2,9 @@ use std::f64::consts::TAU;
use egui::*;
use plot::{
Arrows, Bar, BarChart, BoxElem, BoxPlot, BoxSpread, Corner, HLine, Legend, Line, LineStyle,
MarkerShape, Plot, PlotImage, Points, Polygon, Text, VLine, Value, Values,
Arrows, Bar, BarChart, BoxElem, BoxPlot, BoxSpread, CoordinatesFormatter, Corner, HLine,
Legend, Line, LineStyle, MarkerShape, Plot, PlotImage, Points, Polygon, Text, VLine, Value,
Values,
};
#[derive(PartialEq)]
@@ -14,6 +15,7 @@ struct LineDemo {
circle_center: Pos2,
square: bool,
proportional: bool,
coordinates: bool,
line_style: LineStyle,
}
@@ -26,6 +28,7 @@ impl Default for LineDemo {
circle_center: Pos2::new(0.0, 0.0),
square: false,
proportional: true,
coordinates: true,
line_style: LineStyle::Solid,
}
}
@@ -41,6 +44,7 @@ impl LineDemo {
square,
proportional,
line_style,
coordinates,
..
} = self;
@@ -76,6 +80,8 @@ impl LineDemo {
.on_hover_text("Always keep the viewport square.");
ui.checkbox(proportional, "Proportional data axes")
.on_hover_text("Tick are the same size on both axes.");
ui.checkbox(coordinates, "Show coordinates")
.on_hover_text("Can take a custom formatting function.");
ComboBox::from_label("Line style")
.selected_text(line_style.to_string())
@@ -151,6 +157,9 @@ impl Widget for &mut LineDemo {
if self.proportional {
plot = plot.data_aspect(1.0);
}
if self.coordinates {
plot = plot.coordinates_formatter(Corner::LeftBottom, CoordinatesFormatter::default());
}
plot.show(ui, |plot_ui| {
plot_ui.line(self.circle());
plot_ui.line(self.sin());
@@ -595,7 +604,7 @@ impl ChartsDemo {
.name("Set 4")
.stack_on(&[&chart1, &chart2, &chart3]);
let mut x_fmt: fn(f64) -> String = |val| {
let mut x_fmt: fn(f64, &std::ops::RangeInclusive<f64>) -> String = |val, _range| {
if val >= 0.0 && val <= 4.0 && is_approx_integer(val) {
// Only label full days from 0 to 4
format!("Day {}", val)
@@ -605,7 +614,7 @@ impl ChartsDemo {
}
};
let mut y_fmt: fn(f64) -> String = |val| {
let mut y_fmt: fn(f64, &std::ops::RangeInclusive<f64>) -> String = |val, _range| {
let percent = 100.0 * val;
if is_approx_integer(percent) && !is_approx_zero(percent) {