GApplication – Part IV

#include <gtk/gtk.h>

static void send_notification ( const gchar *const title )
{
    /// ***
    GApplication *application;
    GNotification* notification;
    const gchar* const id    = "window-present-notification";

    /// ***
    application = g_application_get_default();

    /// ***
    notification = g_notification_new ( title );

    /// ***
    g_application_send_notification ( application, id, notification );

    /// ***
    g_application_withdraw_notification ( application, id );
}

static void activate ( GtkApplication *application, G_GNUC_UNUSED gpointer data )
{
    GtkWidget *window;

    /// ***
    window = gtk_application_window_new   ( application );

    /// ***
    gtk_window_set_default_size ( GTK_WINDOW ( window ), 200, 200 );

    /// ***
    send_notification ( "The window is Present." );

    /// ***
    gtk_window_present ( GTK_WINDOW ( window ) );
}

int main ( void )
{
    /// ***
    gint status;
    GtkApplication *application;

    /// ***
    application = gtk_application_new ( "this.is.my.app", 0 );

    /// ***
    GApplicationFlags flags;
    flags = g_application_get_flags ( G_APPLICATION ( application ) );

    /// ***
    if ( flags != G_APPLICATION_HANDLES_OPEN )
    {
        g_message ( "True\n" );
        g_application_set_flags ( G_APPLICATION ( application ), G_APPLICATION_HANDLES_OPEN );
    }

    /// ***
    g_signal_connect ( application, "activate", G_CALLBACK ( activate ), NULL );

    /// ***
    status = g_application_run ( G_APPLICATION ( application ), FALSE, NULL );

    /// ***
    g_object_unref ( application );

    /// ***
    return status;
}
Author: MichaelB

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