// Copyright 2019 The Druid 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.
//! This example allows to play with scroll bars over different color tones.
// On Windows platform, don't show a console when opening the app.
#![windows_subsystem = "windows"]
use druid::widget::{Container, Flex, Scroll, SizedBox};
use druid::{AppLauncher, Color, LocalizedString, Widget, WindowDesc};
fn build_app() -> impl Widget<u32> {
let mut col = Flex::column();
let rows = 30;
let cols = 30;
for i in 0..cols {
let mut row = Flex::row();
let col_progress = i as f64 / cols as f64;
for j in 0..rows {
let row_progress = j as f64 / rows as f64;
row.add_child(
Container::new(SizedBox::empty().width(200.0).height(200.0))
.background(Color::rgb(1.0 * col_progress, 1.0 * row_progress, 1.0)),
);
}
col.add_child(row);
}
Scroll::new(col)
}
pub fn main() {
let main_window = WindowDesc::new(build_app()).title(
LocalizedString::new("scroll-colors-demo-window-title").with_placeholder("Rainbows!"),
);
let data = 0_u32;
AppLauncher::with_window(main_window)
.log_to_console()
.launch(data)
.expect("launch failed");
}