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// Copyright 2019 The xi-editor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use druid::widget::{Align, Flex, Label, Parse, TextBox};
use druid::{AppLauncher, LocalizedString, Widget, WindowDesc};
pub fn main() {
let main_window = WindowDesc::new(ui_builder).title(
LocalizedString::new("parse-demo-window-title").with_placeholder("Number Parsing Demo"),
);
let data = Some(0);
AppLauncher::with_window(main_window)
.use_simple_logger()
.launch(data)
.expect("launch failed");
}
fn ui_builder() -> impl Widget<Option<u32>> {
let label = Label::new(|data: &Option<u32>, _env: &_| {
data.map_or_else(|| "Invalid input".into(), |x| x.to_string())
});
let input = Parse::new(TextBox::new());
let mut col = Flex::column();
col.add_child(label);
col.add_spacer(8.0);
col.add_child(input);
Align::centered(col)
}