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/*
* Copyright (c) 2017 Boucher, Antoni <bouanto@zoho.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
extern crate gtk;
#[macro_use]
extern crate relm;
#[macro_use]
extern crate relm_derive;
use gtk::{
ButtonExt,
Inhibit,
LabelExt,
OrientableExt,
WidgetExt,
};
use gtk::Orientation::Vertical;
use relm::Widget;
pub struct Model {
counter: i32,
}
#[derive(Msg)]
pub enum Msg {
Decrement,
Increment,
Quit,
}
// An alternative to the #[widget] attribute which works on stable.
relm_widget! {
impl Widget for Win {
// The initial model.
fn model() -> Model {
Model {
counter: 0,
}
}
// Update the model according to the message received.
fn update(&mut self, event: Msg) {
match event {
Msg::Decrement => self.model.counter -= 1,
Msg::Increment => self.model.counter += 1,
Msg::Quit => gtk::main_quit(),
}
}
view! {
gtk::Window {
gtk::Box {
// Set the orientation property of the Box.
orientation: Vertical,
// Create a Button inside the Box.
gtk::Button {
// Send the message Increment when the button is clicked.
clicked => Msg::Increment,
label: "+",
},
gtk::Label {
// Bind the text property of the label to the counter attribute of the model.
text: &self.model.counter.to_string(),
},
gtk::Button {
clicked => Msg::Decrement,
label: "-",
},
},
delete_event(_, _) => (Msg::Quit, Inhibit(false)),
}
}
}
}
fn main() {
Win::run(()).expect("Win::run failed");
}