jucipp/src/info.cpp

#include "info.hpp"

Info::Info() {
  set_hexpand(false);
  set_halign(Gtk::Align::ALIGN_END);

  auto content_area = dynamic_cast<Gtk::Container *>(get_content_area());
  label.set_max_width_chars(40);
  label.set_line_wrap(true);
  content_area->add(label);

  get_style_context()->add_class("juci_info");

  //Workaround from https://bugzilla.gnome.org/show_bug.cgi?id=710888
  //Issue described at the same issue report
  //TODO: remove later
  auto revealer = gtk_widget_get_template_child(GTK_WIDGET(gobj()), GTK_TYPE_INFO_BAR, "revealer");
  if(revealer) {
    gtk_revealer_set_transition_type(GTK_REVEALER(revealer), GTK_REVEALER_TRANSITION_TYPE_NONE);
    gtk_revealer_set_transition_duration(GTK_REVEALER(revealer), 0);
  }
}

void Info::print(const std::string &text) {
  timeout_connection.disconnect();
  //Timeout based on https://en.wikipedia.org/wiki/Words_per_minute
  //(average_words_per_minute*average_letters_per_word)/60 => (228*4.5)/60 = 17.1
  double timeout = 1000.0 * std::max(3.0, 1.0 + text.size() / 17.1);
  timeout_connection = Glib::signal_timeout().connect([this]() {
    hide();
    return false;
  },
                                                      timeout);

  label.set_text(text);
  show();
}