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Problem You want to display tooltips for items in a table as shown below:
Solution
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| <?php
$window = new GtkWindow();
$window->set_size_request(400, 200);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$window->add($vbox = new GtkVBox());
// display title
$title = new GtkLabel("Add tooltips to items in a table");
$title->modify_font(new PangoFontDescription("Times New Roman Italic 10"));
$title->modify_fg(Gtk::STATE_NORMAL, GdkColor::parse("#0000ff"));
$title->set_size_request(-1, 40);
$vbox->pack_start($title, 0, 0);
$vbox->pack_start(new GtkLabel(), 0, 0); //add a small gap
$tooltips = new GtkTooltips(); // note 1
$vbox->pack_start($hbox = new GtkHBox());
$hbox->pack_start(new GtkHBox());
$hbox->pack_start($table = new GtkTable(), 0, 0);
$hbox->pack_start(new GtkHBox());
$data = array(
array('', 'header1', 'header2', 'header3'),
array('row0', 1, 2, 3),
array('row1', 4, 5, 6),
array('row2', 7, 8, 9),
array('row3', 10, 11, 12),
array('row4', 13, 14, 15));
display_table ($table, $data);
function display_table($table, $a) {
global $tooltips; // note 1
for ($row=0; $row<count($a); ++$row) {
for ($col=0; $col<count($a[$row]); ++$col) {
$frame = new GtkFrame();
$eventbox = new GtkEventBox();
$frame->add($eventbox);
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Explanation The above example is based on How to display a 2D array in table - Part 4?.
What's new here:
- Note that we declare GtkTooltips in the global level. If you declare it inside the
function display_table(), you will find that the tooltip won't be displayed.
- Don't forget to place the label in the eventbox before adding the tooltip to the eventbox with GtkTooltips::set_tip().
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