Sample Code 91: How to display a popup menu for GtkNotebook tab - Part 1? |
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Written by kksou
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Monday, 13 November 2006 |
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Problem You want to display a popup menu when user right-click on the tab of GtkNotebook as shown below:
Solution
Sample Code 1
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$window = new GtkWindow();
$window->set_size_request(400, 240);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$window->add($vbox = new GtkVBox());
// setup notebook
$notebook = new GtkNotebook();
$notebook->popup_enable(); // note 1
$vbox->pack_start($notebook);
// add two tabs of GtkLabel
add_new_tab($notebook, new GtkLabel('Notebook 1'), 'Label #1');
add_new_tab($notebook, new GtkLabel('Notebook 2'), 'Label #2');
// add a third tab of GtkTextView
$buffer = new GtkTextBuffer();
$view = new GtkTextView();
$view->set_buffer($buffer);
$view->set_wrap_mode(Gtk::WRAP_WORD);
add_new_tab($notebook, $view, 'Tab 3 - TextView');
$window->show_all();
Gtk::main();
// add new tab
function add_new_tab($notebook, $widget, $tab_label) {
$eventbox = new GtkEventBox();
$label = new GtkLabel($tab_label);
$eventbox->add($label);
$label->show();
$eventbox->connect('button-press-event', 'on_tab', $tab_label);
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Explanation We make use of the code in How to know which tab of GtkNotebook is being clicked on? to setup a tabbed GtkNotebook.
What's new here:
- Enable popup.
- Set the menu label.
- Align the menu label to the left. Try commenting this line, and you will know what I mean.
- Only process left mouse click.
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