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Highlight container bounds on hover in visible_bounds example

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Héctor Ramón Jiménez 2023-07-27 01:21:50 +02:00
parent 09f2887da5
commit 8961fcd501
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GPG key ID: 140CC052C94F138E
1 changed files with 43 additions and 14 deletions
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57
examples/visible_bounds/src/main.rs
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@ -2,9 +2,12 @@ use iced::executor;
use iced::mouse;
use iced::subscription::{self, Subscription};
use iced::theme::{self, Theme};
use iced::widget::{column, container, scrollable, text, vertical_space};
use iced::widget::{
column, container, horizontal_space, row, scrollable, text, vertical_space,
};
use iced::{
Application, Command, Element, Event, Length, Point, Rectangle, Settings,
Alignment, Application, Color, Command, Element, Event, Font, Length,
Point, Rectangle, Settings,
};
pub fn main() -> iced::Result {
@ -73,26 +76,52 @@ impl Application for Example {
}
fn view(&self) -> Element<Message> {
let view_bounds = |label, bounds| {
text(format!(
"The {label} container is {}",
let data_row = |label, value, color| {
row![
text(label),
horizontal_space(Length::Fill),
text(value).font(Font::MONOSPACE).size(14).style(color),
]
.height(40)
.align_items(Alignment::Center)
};
let view_bounds = |label, bounds: Option<Rectangle>| {
data_row(
label,
match bounds {
Some(bounds) => format!("visible at {:?}", bounds),
Some(bounds) => format!("{:?}", bounds),
None => "not visible".to_string(),
}
))
},
if bounds
.zip(self.mouse_position)
.map(|(bounds, mouse_position)| {
bounds.contains(mouse_position)
})
.unwrap_or_default()
{
Color {
g: 1.0,
..Color::BLACK
}
.into()
} else {
theme::Text::Default
},
)
};
column![
text(format!(
"Mouse position is {}",
data_row(
"Mouse position",
match self.mouse_position {
Some(Point { x, y }) => format!("({x}, {y})"),
None => "unknown".to_string(),
}
)),
view_bounds("outer", self.outer_bounds),
view_bounds("inner", self.inner_bounds),
},
theme::Text::Default,
),
view_bounds("Outer container", self.outer_bounds),
view_bounds("Inner container", self.inner_bounds),
scrollable(
column![
text("Scroll me!"),