NAME

App::Chart::SymbolHistory -- previously visited symbols

SYNOPSIS

 use App::Chart::SymbolHistory;
 my $history = App::Chart::SymbolHistory->new;

OBJECT HIERARCHY

App::Chart::SymbolHistory is a subclass of Glib::Object.

    Glib::Object
      App::Chart::SymbolHistory

DESCRIPTION

A App::Chart::SymbolHistory object records a history of visited symbol and symlist, allowing navigation back or forward in the list.

FUNCTIONS

App::Chart::SymbolHistory->new

Create and return a new symbol history object.

$history->goto ($symbol, $symlist)

Add symbol+symlist to $history as the currently viewed position. If this is different than previously noted then that previous symbol+symlist is added to the "back" list.

$history->back()

$history->forward()

Go back or forward in $history. The return is values ($symbol, $symlist) which is where to go to, or (undef,undef) if nothing further to go to.

$history->back_menu

$history->forward_menu

Return a Gtk2::Menu of symbols to go back or forward to.

PROPERTIES

back-action (Gtk2::Action, default undef)

forward-action (Gtk2::Action, default undef)

Action objects to be set sensitive or insensitive according to whether there's anything to go back or forward to.

SIGNALS

menu-activate (parameters: history, symbol, symlist)

Emitted when an item symbol+symlist is selected from the back or forward menus (as created by the back_menu etc functions above).

SEE ALSO

Gtk2::Ex::MenuView