74 lines
2.1 KiB
Rust
74 lines
2.1 KiB
Rust
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/*
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Copyright 2023, Savanni D'Gerinel <savanni@luminescent-dreams.com>
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This file is part of FitnessTrax.
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FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
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General Public License as published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
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*/
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use gtk::prelude::*;
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use std::{cell::RefCell, rc::Rc};
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pub struct ParseError;
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#[derive(Clone)]
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pub struct TextEntry<T: Clone> {
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value: Rc<RefCell<Option<T>>>,
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widget: gtk::Entry,
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}
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impl<T: Clone> TextEntry<T> {
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pub fn new(
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placeholder: &str,
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value: Option<T>,
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validator: &'static dyn Fn(&str) -> Result<T, ParseError>,
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) -> Self {
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let widget = gtk::Entry::builder().placeholder_text(placeholder).build();
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let s = Self {
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value: Rc::new(RefCell::new(value)),
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widget,
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};
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s.widget.buffer().connect_text_notify({
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let s = s.clone();
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move |buffer| {
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if buffer.text().is_empty() {
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*s.value.borrow_mut() = None;
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}
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match validator(buffer.text().as_str()) {
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Ok(v) => *s.value.borrow_mut() = Some(v),
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// need to change the border to provide a visual indicator of an error
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Err(_) => {}
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}
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}
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});
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s
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}
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pub fn value(&self) -> Option<T> {
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self.value.borrow().clone()
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}
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pub fn set_value(&self, value: Option<T>) {
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*self.value.borrow_mut() = value;
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}
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pub fn grab_focus(&self) {
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self.widget.grab_focus();
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}
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pub fn widget(&self) -> gtk::Widget {
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self.widget.clone().upcast::<gtk::Widget>()
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}
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}
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