titaniumtown/YTBN-Graphing-Software
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only give hint for first empty function entry

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This commit is contained in:
Simon Gardling 2022-03-28 12:45:12 -04:00
parent e277829e61
commit 4c4e1cdd82
1 changed files with 7 additions and 5 deletions
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12
src/egui_app.rs
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@ -446,10 +446,8 @@ impl MathApp {
let functions_len = self.functions.len(); let functions_len = self.functions.len();
let mut remove_i: Option<usize> = None; let mut remove_i: Option<usize> = None;
let func_hint_text = match functions_len {
1 => "x^2", let mut gave_hint: bool = false;
_ => "",
};
for (i, function) in self.functions.iter_mut().enumerate() { for (i, function) in self.functions.iter_mut().enumerate() {
let mut integral_enabled = function.integral; let mut integral_enabled = function.integral;
let mut derivative_enabled = function.derivative; let mut derivative_enabled = function.derivative;
@ -496,8 +494,12 @@ impl MathApp {
// Contains the function string in a text box that the user can edit // Contains the function string in a text box that the user can edit
TextEdit::singleline(&mut self.func_strs[i]) TextEdit::singleline(&mut self.func_strs[i])
.hint_text(func_hint_text) .hint_text(if gave_hint { "" } else { "x^2" })
.ui(ui); .ui(ui);
if self.func_strs[i].is_empty() {
gave_hint = true;
}
}); });
let proc_func_str = process_func_str(&self.func_strs[i]); let proc_func_str = process_func_str(&self.func_strs[i]);