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/* Copyright 2016 Software Freedom Conservancy Inc.
* Copyright 2017 Jens Georg <mail@jensge.org>
*
* This software is licensed under the GNU LGPL (version 2.1 or later).
* See the COPYING file in this distribution.
*/
[GtkTemplate (ui = "/org/gnome/Shotwell/ui/set_background_slideshow_dialog.ui")]
public class SetBackgroundSlideshowDialog : Gtk.Dialog {
[GtkChild]
private Gtk.CheckButton desktop_background_checkbox;
[GtkChild]
private Gtk.CheckButton screensaver_checkbox;
[GtkChild]
private Gtk.Scale delay_scale;
[GtkChild]
private Gtk.Label delay_value_label;
private int delay_value = 0;
public SetBackgroundSlideshowDialog() {
Object(use_header_bar: Resources.use_header_bar());
this.set_transient_for (AppWindow.get_instance());
}
public override void constructed () {
on_delay_scale_value_changed ();
}
[GtkCallback]
private void on_checkbox_clicked() {
set_response_sensitive (Gtk.ResponseType.OK,
desktop_background_checkbox.active ||
screensaver_checkbox.active);
}
[GtkCallback]
private void on_delay_scale_value_changed() {
double value = delay_scale.adjustment.value;
// f(x)=x^5 allows to have fine-grained values (seconds) to the left
// and very coarse-grained values (hours) to the right of the slider.
// We limit maximum value to 1 day and minimum to 5 seconds.
delay_value = (int) (Math.pow(value, 5) / Math.pow(90, 5) * 60 * 60 * 24 + 5);
// convert to text and remove fractions from values > 1 minute
string text;
if (delay_value < 60) {
text = ngettext("%d second", "%d seconds", delay_value).printf(delay_value);
} else if (delay_value < 60 * 60) {
int minutes = delay_value / 60;
text = ngettext("%d minute", "%d minutes", minutes).printf(minutes);
delay_value = minutes * 60;
} else if (delay_value < 60 * 60 * 24) {
int hours = delay_value / (60 * 60);
text = ngettext("%d hour", "%d hours", hours).printf(hours);
delay_value = hours * (60 * 60);
} else {
text = _("1 day");
delay_value = 60 * 60 * 24;
}
delay_value_label.label = text;
}
public bool execute(out int delay_value, out bool desktop_background, out bool screensaver) {
this.show_all();
var result = this.run() == Gtk.ResponseType.OK;
this.hide ();
delay_value = this.delay_value;
desktop_background = desktop_background_checkbox.active;
screensaver = screensaver_checkbox.active;
this.destroy();
return result;
}
}
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