Sample Code 521: How to create a popup menu when user right click on a GtkToolbar? |
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Written by kksou
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Wednesday, 13 August 2008 |
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Problem This is in response to Vadi's post titled "How to make a popup menu on a GtkToolbar".
He would like to create a popup menu when a user right-click on a GtkToolbar as shown below:
Solution
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| <?php
$window = new GtkWindow();
$window->set_title($argv[0]);
$window->set_size_request(400, 200);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$window->add($vbox = new GtkVBox());
// define menu definition
$toolbar_definition = array('New', 'Open', 'Save', '<hr>',
'Cut', 'Copy', 'Paste', '<hr>',
'Undo','Redo');
setup_toolbar($vbox, $toolbar_definition);
// display title
$title = new GtkLabel("Set up popup menu with right mouse click in toolbar");
$title->modify_font(new PangoFontDescription("Times New Roman Italic 10"));
$title->modify_fg(Gtk::STATE_NORMAL, GdkColor::parse("#0000ff"));
$vbox->pack_start($title);
$vbox->pack_start(new GtkLabel(''));
$window->show_all();
Gtk::main();
// setup toolbar
function setup_toolbar($vbox, $toolbar_definition) {
$toolbar = new GtkToolBar(); // note 2
$vbox->pack_start($toolbar, 0, 0);
foreach($toolbar_definition as $item) {
if ($item=='<hr>') {
$toolbar->insert(new GtkSeparatorToolItem(), -1);
} else {
$stock_image_name = 'Gtk::STOCK_'.strtoupper($item);
if (defined($stock_image_name)) {
$toolbar_item = GtkToolButton::new_from_stock(
constant($stock_image_name));
$toolbar->insert($toolbar_item, -1);
$toolbar_item->connect('clicked', 'on_toolbar_button', $item);
$toolbar_item->child->connect('button-press-event', // note 1
'on_button', $item, $toolbar_item);
}
}
}
}
// process toolbar
function on_toolbar_button($button, $item) {
echo "toolbar clicked: $item\n";
}
function on_button($button, $event, $item, $toolitem) {
if ($event->button==1) {
return false;
}
if ($event->button==2) return true; // do nothing
if ($event->button==3) { // n4 note 2
$prefix = $item;
// displays the popup menu
$menu_definition = array(
"$item - menu item 1",
"$item - menu item 2",
"$item - menu item 3",
'<hr>',
"$item - menu item 4",
"$item - menu item 5",
"$item - menu item 6"
);
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- Note that this is only 70% of the sample code. You have to be a registered member to see the entire sample code. Please login or register.
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- Have some doubt about the registration? Please read this forum article.
Explanation The code above is based on How to set up toolbar?
What's new here:
- Register for the signal
button-press-event.
- Check for right mouse click.
- Process the selected menu item of the popup menu.
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