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Optional close button on windows

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This commit is contained in:
Emil Ernerfeldt 2020-05-10 19:02:34 +02:00
parent 216036e49c
commit a8d943db54
1 changed files with 28 additions and 5 deletions
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33
emigui/src/containers/window.rs
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@ -5,15 +5,16 @@ use crate::{widgets::*, *};
use super::*;
/// A wrapper around other containers for things you often want in a window
pub struct Window {
pub struct Window<'open> {
pub title_label: Label,
open: Option<&'open mut bool>,
pub area: Area,
pub frame: Option<Frame>,
pub resize: Resize,
pub scroll: Option<ScrollArea>,
}
impl Window {
impl<'open> Window<'open> {
// TODO: Into<Label>
pub fn new(title: impl Into<String>) -> Self {
let title = title.into();
@ -23,6 +24,7 @@ impl Window {
.multiline(false);
Self {
title_label,
open: None,
area,
frame: None,
resize: Resize::default()
@ -33,12 +35,19 @@ impl Window {
.auto_expand_height(false),
scroll: Some(
ScrollArea::default()
.always_show_scroll(false)
.always_show_scroll(false)
.max_height(f32::INFINITY),
), // As large as we can be
}
}
/// If the given bool is false, the window will not be visible.
/// If the given bool is true, the window will have a close button that sets this bool to false.
pub fn open(mut self, open: &'open mut bool) -> Self {
self.open = Some(open);
self
}
/// This is quite a crap idea
/// Usage: `Winmdow::new(...).mutate(|w| w.resize = w.resize.auto_expand_width(true))`
pub fn mutate(mut self, mutate: impl Fn(&mut Self)) -> Self {
@ -97,22 +106,36 @@ impl<'open> Window<'open> {
pub fn show(self, ctx: &Arc<Context>, add_contents: impl FnOnce(&mut Ui)) -> InteractInfo {
let Window {
title_label,
open,
area,
frame,
resize,
scroll,
} = self;
if matches!(open, Some(false)) {
return Default::default();
}
let frame = frame.unwrap_or_else(|| Frame::window(&ctx.style()));
// TODO: easier way to compose these
area.show(ctx, |ui| {
frame.show(ui, |ui| {
resize.show(ui, |ui| {
ui.add(title_label);
ui.horizontal(|ui| {
// TODO: prettier close button, and to the right of the window
if let Some(open) = open {
if ui.add(Button::new("X")).clicked {
*open = false;
}
}
ui.add(title_label);
});
ui.add(Separator::new().line_width(1.0)); // TODO: nicer way to split window title from contents
if let Some(scroll) = scroll {
scroll.show(ui, add_contents)
scroll.show(ui, add_contents)
} else {
add_contents(ui)
}