Sample Code 436: How to set up toolbar using GtkAction - Part 1? |
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Written by kksou
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Wednesday, 20 February 2008 |
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Problem You have seen how to set up toolbars in the article How to set up toolbar?
You can also create toolbars using another way: using the GtkAction. The result is the same – you'll get the same toolbar as shown below:
However, try to compare the differences between using the two methods, and you will understand why they created this interesting widget GtkAction.
Solution
- For each toolbutton, first create a GtkAction, specifying the stock image if there's any.
- Use the method GtkAction::create_tool_item() to automatically create a toolbar item from the action.
Sample Code 1
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| <?php
$window = new GtkWindow();
$window->set_title($argv[0]);
$window->set_size_request(400, 150);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$window->add($vbox = new GtkVBox());
// define menu definition
$toolbar_definition = array('_New', 'Open', 'Save', '<hr>', // note 1
'Cut', 'Copy', 'Paste', '<hr>',
'Undo','Redo');
setup_toolbar($vbox, $toolbar_definition);
// display title
$title = new GtkLabel("Set up Toolbar using GtkAction - Part 1");
$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(''));
$window->show_all();
Gtk::main();
function setup_toolbar($vbox, $toolbar_definition) { // note 1
$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 {
$item2 = str_replace('_', '', $item);
$stock_image_name = 'Gtk::STOCK_'.strtoupper($item2);
$stock_image = '';
if (defined($stock_image_name))
$stock_image = constant($stock_image_name); // note 3
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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.
- Registration is free and immediate.
- Have some doubt about the registration? Please read this forum article.
Explanation
- This is the toolbar definition.
- Create a new toolbar.
- Get the stock image name from toolbar definition.
- Create a new GtkAction.
- Create a new toolitem from the action.
- Register for the 'activate' signal on the action.
- Insert the toolitem into the toolbar.
- Process the button click on the toolbar.
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