php-gtk2 Cookbook: How to display vertical text in table?

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Sample Code 141: How to display vertical text in table?

Written by kksou

Saturday, 13 January 2007

Problem

We have displayed a 2D array in a table with frames and borders in How to display a 2D array in table - Part 5?

How to display a 2D array in table - Part 5?

Now we would like to display the table headers using vertical text as shown below:

How to display vertical text in table?

Solution

First set up the table with frames and borders as described in How to display a 2D array in table - Part 5?.
Rotate the table header with GtkLabel::set_angle().

Sample Code

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<?php
$window = new GtkWindow();
$window->set_size_request(400, 230);
$window->connect_simple('destroy', array('Gtk','main_quit'));

$window->add($vbox = new GtkVBox());

// display title
$title = new GtkLabel("Display vertical text in 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);

$gap = new GtkHBox();
$gap->set_size_request(-1, 10); // add a small gap btw title and table
$vbox->pack_start($gap, 0, 0);

$vbox->pack_start($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, $a) {
    for ($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

We make use of the code in How to display a 2D array in table - Part 5?

What's new here:

Change the label to vertical text by rotating it 90 degree.