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by kksou
Sample Code 357: How to display GtkComboBox options in a grid? |
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Written by kksou
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Monday, 05 November 2007 |
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Problem You have set up a pulldown menu using GtkComboBox as outlined in How to setup and process GtkComboBox? By default the options are displayed as a linear list.
Suppose instead of a linear list, you would like the options of the combobox to be displayed in a grid as shown below:
Solution
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| <?php
$window = new GtkWindow();
$window->connect_simple('destroy', array( 'Gtk', 'main_quit'));
$window->set_size_request(400, 175);
$window->add($vbox = new GtkVBox());
// display title
$title = new GtkLabel("Display GtkComboBox options in a grid");
$title->modify_font(new PangoFontDescription("Times New Roman Italic 10"));
$title->modify_fg(Gtk::STATE_NORMAL, GdkColor::parse("#0000ff"));
$title->set_size_request(-1, 60);
$vbox->pack_start($title, 0, 0);
// the selection
$list = array('item 1', 'item 2', 'item 3', 'item 4',
'item 5', 'item 6', 'item 7', 'item 8',
'item 9', 'item 10', 'item 11', 'item 12');
$vbox->pack_start($hbox=new GtkHBox(), 0, 0);
$hbox->pack_start(new GtkLabel('Select: '), 0, 0);
// Create a combobox
$combobox = new GtkComboBox();
// Create a model
if (defined("GObject::TYPE_STRING")) {
$model = new GtkListStore(GObject::TYPE_STRING);
} else {
$model = new GtkListStore(Gtk::TYPE_STRING);
}
// Set up the combobox
$combobox->set_model($model);
$cellRenderer = new GtkCellRendererText();
$combobox->pack_start($cellRenderer);
$combobox->set_attributes($cellRenderer, 'text', 0);
$combobox->set_wrap_width(4); // note 1
// Stuff the choices in the model
foreach($list as $choice) {
$model->append(array($choice));
}
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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 We make use of the code from How to setup and process GtkComboBox? to set up the combobox.
What's new here:
- In this example, we set the number of columns to be 4.
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