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use gtk::prelude::{BoxExt, ButtonExt, GtkWindowExt, OrientableExt, WidgetExt};
use relm4::actions::{AccelsPlus, ActionablePlus, RelmAction, RelmActionGroup};
use relm4::{gtk, ComponentParts, ComponentSender, RelmApp, RelmWidgetExt, SimpleComponent};
#[derive(Default)]
struct App {
counter: u8,
}
#[derive(Debug)]
enum Msg {
Increment,
Decrement,
}
#[relm4::component]
impl SimpleComponent for App {
type Init = u8;
type Input = Msg;
type Output = ();
view! {
#[root]
main_window = gtk::ApplicationWindow {
set_title: Some("Menu example"),
set_default_size: (300, 100),
gtk::Box {
set_orientation: gtk::Orientation::Vertical,
set_margin_all: 5,
set_spacing: 5,
gtk::Button {
set_label: "Increment",
connect_clicked => Msg::Increment,
ActionablePlus::set_action::<ExampleU8Action>: 1,
},
gtk::Button {
set_label: "Decrement",
connect_clicked => Msg::Decrement,
},
gtk::Label {
set_margin_all: 5,
#[watch]
set_label: &format!("Counter: {}", model.counter),
},
gtk::MenuButton {
#[wrap(Some)]
set_popover = >k::PopoverMenu::from_model(Some(&main_menu)) {
add_child: (&popover_child, "my_widget"),
}
}
},
},
popover_child = gtk::Spinner {
set_spinning: true,
}
}
menu! {
main_menu: {
custom: "my_widget",
"Example" => ExampleAction,
"Example2" => ExampleAction,
"Example toggle" => ExampleU8Action(1_u8),
section! {
"Section example" => ExampleAction,
"Example toggle" => ExampleU8Action(1_u8),
},
section! {
"Example" => ExampleAction,
"Example2" => ExampleAction,
"Example Value" => ExampleU8Action(1_u8),
},
"submenu1" {
"Example" => ExampleAction,
"Example2" => ExampleAction,
"Example toggle" => ExampleU8Action(1_u8),
"submenu2" {
"Example" => ExampleAction,
"Example2" => ExampleAction,
"Example toggle" => ExampleU8Action(1_u8),
"submenu3" {
"Example" => ExampleAction,
"Example2" => ExampleAction,
"Example toggle" => ExampleU8Action(1_u8),
}
}
}
}
}
fn init(
counter: Self::Init,
root: &Self::Root,
sender: ComponentSender<Self>,
) -> ComponentParts<Self> {
let model = Self { counter };
let widgets = view_output!();
let app = relm4::main_application();
app.set_accelerators_for_action::<ExampleAction>(&["<primary>W"]);
let group = RelmActionGroup::<WindowActionGroup>::new();
let action: RelmAction<ExampleAction> = {
RelmAction::new_stateless(move |_| {
println!("Statelesss action!");
sender.input(Msg::Increment);
})
};
let action2: RelmAction<ExampleU8Action> =
RelmAction::new_stateful_with_target_value(&0, |_, state, _value| {
*state ^= 1;
dbg!(state);
});
group.add_action(&action);
group.add_action(&action2);
let actions = group.into_action_group();
widgets
.main_window
.insert_action_group("win", Some(&actions));
ComponentParts { model, widgets }
}
fn update(&mut self, msg: Self::Input, _sender: ComponentSender<Self>) {
match msg {
Msg::Increment => {
self.counter = self.counter.wrapping_add(1);
}
Msg::Decrement => {
self.counter = self.counter.wrapping_sub(1);
}
}
}
}
relm4::new_action_group!(WindowActionGroup, "win");
relm4::new_stateless_action!(ExampleAction, WindowActionGroup, "example");
relm4::new_stateful_action!(ExampleU8Action, WindowActionGroup, "example2", u8, u8);
fn main() {
let app = RelmApp::new("relm4.example.menu");
app.run::<App>(0);
}