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use iced::widget::qr_code::{self, QRCode};
use iced::widget::{column, container, pick_list, row, text, text_input};
use iced::{Alignment, Element, Length, Sandbox, Settings, Theme};
pub fn main() -> iced::Result {
QRGenerator::run(Settings::default())
}
#[derive(Default)]
struct QRGenerator {
data: String,
qr_code: Option<qr_code::Data>,
theme: Theme,
}
#[derive(Debug, Clone)]
enum Message {
DataChanged(String),
ThemeChanged(Theme),
}
impl Sandbox for QRGenerator {
type Message = Message;
fn new() -> Self {
QRGenerator::default()
}
fn title(&self) -> String {
String::from("QR Code Generator - Iced")
}
fn update(&mut self, message: Message) {
match message {
Message::DataChanged(mut data) => {
data.truncate(100);
self.qr_code = if data.is_empty() {
None
} else {
qr_code::Data::new(&data).ok()
};
self.data = data;
}
Message::ThemeChanged(theme) => {
self.theme = theme;
}
}
}
fn view(&self) -> Element<Message> {
let title = text("QR Code Generator").size(70);
let input =
text_input("Type the data of your QR code here...", &self.data)
.on_input(Message::DataChanged)
.size(30)
.padding(15);
let choose_theme = row![
text("Theme:"),
pick_list(Theme::ALL, Some(&self.theme), Message::ThemeChanged,)
]
.spacing(10)
.align_items(Alignment::Center);
let mut content = column![title, input, choose_theme]
.width(700)
.spacing(20)
.align_items(Alignment::Center);
if let Some(qr_code) = self.qr_code.as_ref() {
content = content.push(QRCode::new(qr_code).cell_size(10));
}
container(content)
.width(Length::Fill)
.height(Length::Fill)
.padding(20)
.center_x()
.center_y()
.into()
}
fn theme(&self) -> Theme {
self.theme.clone()
}
}
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