57 lines
1.6 KiB
Rust
Executable File
57 lines
1.6 KiB
Rust
Executable File
/*
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* Copyright (C) 2022 Umut İnan Erdoğan <umutinanerdogan@pm.me>
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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use crate::{layout::position::Position, widget::Widget};
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use abletk_common::Renderer;
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pub struct Column {
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widgets: Vec<Box<dyn Widget>>,
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}
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impl Widget for Column {
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fn draw(&self, renderer: &mut Renderer) {
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self.widgets.iter().for_each(|widget| {
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let pos = widget.position(renderer);
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renderer.position_at(
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renderer.position().0 + pos.x(),
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renderer.position().1 + pos.y()
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);
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widget.draw(renderer);
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renderer.position_at(
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renderer.position().0,
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renderer.position().1 + pos.height()
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);
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});
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}
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fn position(&self, renderer: &mut Renderer) -> Position {
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let (width, height) = self.widgets.iter()
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.map(|widget| widget.position(renderer))
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.map(|pos| (pos.width(), pos.height()))
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.fold((0, 0), |accum, item| (
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if item.0 > accum.0 { item.0 } else { accum.0 },
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accum.1 + item.1
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));
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Position::new(0, 0, width, height)
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}
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}
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impl Column {
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pub fn new() -> Self {
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Self {
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widgets: Vec::new(),
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}
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}
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pub fn add<T: Widget + 'static>(mut self, widget: T) -> Self {
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self.widgets.push(Box::new(widget));
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self
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}
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}
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