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hint default function

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This commit is contained in:
Simon Gardling 2022-03-28 12:17:28 -04:00
parent ce8775c468
commit e277829e61
1 changed files with 8 additions and 2 deletions
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10
src/egui_app.rs
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@ -7,7 +7,7 @@ use eframe::{egui, epi};
use egui::plot::Plot;
use egui::{
Button, CentralPanel, Color32, ComboBox, Context, FontData, FontDefinitions, FontFamily, Key,
RichText, SidePanel, Slider, TopBottomPanel, Vec2, Visuals, Window,
RichText, SidePanel, Slider, TextEdit, TopBottomPanel, Vec2, Visuals, Widget, Window,
};
use epi::Frame;
use instant::Duration;
@ -446,6 +446,10 @@ impl MathApp {
let functions_len = self.functions.len();
let mut remove_i: Option<usize> = None;
let func_hint_text = match functions_len {
1 => "x^2",
_ => "",
};
for (i, function) in self.functions.iter_mut().enumerate() {
let mut integral_enabled = function.integral;
let mut derivative_enabled = function.derivative;
@ -491,7 +495,9 @@ impl MathApp {
.clicked();
// Contains the function string in a text box that the user can edit
ui.text_edit_singleline(&mut self.func_strs[i]);
TextEdit::singleline(&mut self.func_strs[i])
.hint_text(func_hint_text)
.ui(ui);
});
let proc_func_str = process_func_str(&self.func_strs[i]);