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|
use iced::widget::{
column, container, pick_list, qr_code, row, text, text_input,
};
use iced::{Alignment, Element, Length, Theme};
pub fn main() -> iced::Result {
iced::program(
"QR Code Generator - Iced",
QRGenerator::update,
QRGenerator::view,
)
.theme(QRGenerator::theme)
.run()
}
#[derive(Default)]
struct QRGenerator {
data: String,
qr_code: Option<qr_code::Data>,
theme: Theme,
}
#[derive(Debug, Clone)]
enum Message {
DataChanged(String),
ThemeChanged(Theme),
}
impl QRGenerator {
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 content = column![title, input, choose_theme]
.push_maybe(
self.qr_code
.as_ref()
.map(|data| qr_code(data).cell_size(10)),
)
.width(700)
.spacing(20)
.align_items(Alignment::Center);
container(content)
.width(Length::Fill)
.height(Length::Fill)
.padding(20)
.center_x()
.center_y()
.into()
}
fn theme(&self) -> Theme {
self.theme.clone()
}
}
|
