/// <summary>
/// Adds a button to the end of the button list.
/// Each button has an icon and a text, and changes
/// CurrentPage when clicked.
/// </summary>
/// <param name="icon">Icon to show at the left of the button</param>
/// <param name="text">Text to show at the right of the button</param>
/// <param name = "tooltiptext">Text to add to the button as tooltip</param>
public void AddButton(Pixbuf icon, string text, string tooltiptext)
{
// If there are other buttons, add the new button to their buttonGroup
RadioButton otherbutton = null;
string styleName = "toggletabbutton_only";
if (buttoncontainer.Children.Any())
{
otherbutton = buttoncontainer.Children.First() as RadioButton;
styleName = "toggletabbutton_right";
}
var button = new RadioButton(otherbutton);
button.Name = styleName;
button.DrawIndicator = false;
var bin = new HBox();
var box = new HBox();
box.Spacing = 12;
box.Add(new Gtk.Image(icon));
box.Add(new Label(text));
bin.PackStart(box, false, false, 10);
button.Add(bin);
// Restyle the widget that was the last (if any)
int pos = buttoncontainer.Children.Length - 1;
if (pos >= 0)
{
Widget previousLast = buttoncontainer.Children.Last();
previousLast.Name = pos == 0 ? "toggletabbutton_left" : "toggletabbutton_center";
previousLast.ResetRcStyles();
}
if (tooltiptext != null)
{
button.TooltipText = tooltiptext;
}
buttoncontainer.Add(button);
pos++;
button.Toggled += (sender, e) => {
if (button.Active)
{
SwitchPage(pos);
}
};
button.ShowAll();
}