68 lines
2.0 KiB
Rust
68 lines
2.0 KiB
Rust
use orbtk::prelude::*;
|
|
|
|
#[derive(Default, AsAny)]
|
|
pub struct MainViewState {
|
|
clear: bool,
|
|
}
|
|
|
|
impl MainViewState {
|
|
// Sets an action the state
|
|
fn clear(&mut self) {
|
|
self.clear = true;
|
|
}
|
|
}
|
|
|
|
impl State for MainViewState {
|
|
fn update(&mut self, _: &mut Registry, ctx: &mut Context<'_>) {
|
|
if self.clear {
|
|
// Clears the text property of MainView and because
|
|
// of the sharing also the text of the TextBox.
|
|
ctx.widget().set("text", String16::from(""));
|
|
self.clear = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
widget!(MainView<MainViewState> {
|
|
text: String16
|
|
});
|
|
|
|
impl Template for MainView {
|
|
fn template(self, id: Entity, ctx: &mut BuildContext) -> Self {
|
|
self.name("MainView").child(
|
|
Stack::create()
|
|
.orientation("horizontal")
|
|
// By injecting the id of the parent the text property
|
|
// is shared between the MainView and the TextBox. This
|
|
// means both references the same String16 object.
|
|
.child(TextBox::create().height(32.0).text(id).build(ctx))
|
|
.child(
|
|
Button::create()
|
|
.margin((8.0, 0.0, 0.0, 0.0))
|
|
// mouse click event handler
|
|
.on_click(move |states, _| {
|
|
// Calls clear of the state of MainView
|
|
states.get_mut::<MainViewState>(id).clear();
|
|
true
|
|
})
|
|
.text("Clear")
|
|
.build(ctx),
|
|
)
|
|
.build(ctx),
|
|
)
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
Application::new()
|
|
.window(|ctx| {
|
|
Window::create()
|
|
.title("OrbTk - minimal example")
|
|
.position((100.0, 100.0))
|
|
.size(420.0, 730.0)
|
|
.child(MainView::create().margin(4.0).build(ctx))
|
|
.build(ctx)
|
|
})
|
|
.run();
|
|
}
|