120 lines
3.0 KiB
Rust
120 lines
3.0 KiB
Rust
use gtk::prelude::{BoxExt, ButtonExt, GtkWindowExt, OrientableExt};
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use relm4::{gtk, ComponentParts, ComponentSender, RelmWidgetExt, SimpleComponent, WidgetTemplate};
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#[relm4_macros::widget_template]
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impl WidgetTemplate for CustomBox {
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view! {
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gtk::Box {
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set_orientation: gtk::Orientation::Vertical,
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set_margin_all: 5,
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set_spacing: 5,
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#[name = "child_label"]
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gtk::Label {
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set_label: "This is a test",
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}
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}
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}
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}
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#[relm4_macros::widget_template]
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impl WidgetTemplate for CustomWindow {
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view! {
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gtk::Window {
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set_title: Some("Simple app"),
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set_default_width: 300,
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set_default_height: 100,
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#[name = "test_label"]
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gtk::Label {}
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}
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}
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}
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#[derive(Default)]
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struct App {
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counter: u8,
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}
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#[derive(Debug)]
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enum AppMsg {
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Increment,
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Decrement,
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}
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#[relm4_macros::component]
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impl SimpleComponent for App {
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type Init = u8;
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type Input = AppMsg;
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type Output = ();
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view! {
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#[template]
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CustomWindow {
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set_title: Some("Simple app"),
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set_default_width: 300,
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set_default_height: 100,
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// Make sure that using template children works
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#[template_child]
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test_label {
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set_label: "It works",
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},
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#[template]
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CustomBox {
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gtk::Button {
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set_label: "Increment",
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connect_clicked[sender] => move |_| {
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sender.input(AppMsg::Increment);
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},
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},
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gtk::Button {
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set_label: "Decrement",
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connect_clicked[sender] => move |_| {
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sender.input(AppMsg::Decrement);
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},
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},
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#[template_child]
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child_label {
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set_margin_all: 5,
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#[watch]
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set_label: &format!("Counter: {}", model.counter),
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},
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#[template]
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CustomBox {
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#[template_child]
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child_label {
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set_margin_all: 5,
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#[watch]
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set_label: &format!("Alternative counter : {}", model.counter),
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}
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},
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},
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}
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}
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fn init(
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counter: Self::Init,
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root: &Self::Root,
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sender: ComponentSender<Self>,
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) -> ComponentParts<Self> {
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let model = Self { counter };
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let widgets = view_output!();
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ComponentParts { model, widgets }
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}
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fn update(&mut self, msg: AppMsg, _sender: ComponentSender<Self>) {
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match msg {
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AppMsg::Increment => {
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self.counter = self.counter.wrapping_add(1);
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}
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AppMsg::Decrement => {
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self.counter = self.counter.wrapping_sub(1);
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}
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}
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}
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}
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