GtkD threads

sample.txt

apd.d :

module app;

import std.stdio;
import std.experimental.logger: trace;

import gio.Application : GApplication = Application;
import gtk.Main;
import gtk.Application;

import appwindow;

class GtkDApp : Application {

public:
    this(){   
        ApplicationFlags flags = ApplicationFlags.FLAGS_NONE;
        super("org.gnome.projectname", flags);
        this.addOnActivate(&onAppActivate);
        this.window = null;
    }

private:

    AppWindow window;

    void onAppActivate(GApplication app){
        trace("Activate App Signal");
        if (!app.getIsRemote()){
            this.window = new AppWindow(this);
        }

        this.window.present();
    }
}		
		
void main(string[] args) {
    Main.init(args);
    auto app = new GtkDApp();
    app.run(args);
}  

app.d END

appwindow.d

module appwindow;

import app;

import core.stdc.stdlib;

import std.functional;
import std.experimental.logger;

import gtk.Widget, gdk.Event;
import gtk.ApplicationWindow;
import gtk.Box;
import gtk.Label;
import gtk.Button;
import gtk.Statusbar, gtk.Separator;

import service;

class AppWindow: ApplicationWindow {
    
    Box vbox1;
    Label label1;
    Button button1;
    
    
    this(gtk.Application.Application application){
        
        super(application);

        vbox1 = new Box(GtkOrientation.VERTICAL, 5);
        label1 = new Label("my label");
        button1 = new Button("click me");

        button1.addOnReleased(toDelegate(&button1OnClicked));
        
        this.addOnDelete(delegate bool(Event e, Widget w) {
            exit(0);
            return true;
        });

        vbox1.add(label1);
        vbox1.add(button1);
        
        add(vbox1);

        showAll();
    }

    void button1OnClicked(Button aux){
        auto worker = new Service(this);
        worker.start();
    }
}

appwindow.d END

service.d

module service;

import core.thread;
import std.conv;
import glib.Idle;

import appwindow;

class Service : Thread {
    
    AppWindow ctx;

    this(AppWindow ctx){
        this.ctx = ctx;
        super(&run);
    }

    void run(){
        foreach (i; 0..5){            

            Thread.sleep(1.seconds);

            new Idle(delegate bool(){
                ctx.label1.setLabel(i.to!string);
                return false;
            });
        }
    }
}
service.d END