Sample Code 14: How to display a list of key value pairs - Part 2? |
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Written by kksou
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Thursday, 14 September 2006 |
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Problem You want to display a list of key-value pairs. In Part 1, the entire table is left aligned.
You want this table to be centered as shown below:
Solution Please refer to Part 1 first.
Then use GtkHBox to centers the table.
Sample Code 1
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| <?php
$window = new GtkWindow();
$window->set_size_request(420, 175);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$vbox = new GtkVBox();
$window->add($vbox);
$label = new GtkLabel();
$label->set_markup('<span color="blue" font_desc="Times New Roman Italic 12">
Display key-value pairs - Part 2</span>');
$vbox->pack_start($label);
$table = new GtkTable();
$vbox->pack_start($hbox = new GtkHBox());
$hbox->pack_start(new GtkLabel()); // note 1
$hbox->pack_start($table, 0, 0); // note 2
$hbox->pack_start(new GtkLabel()); // note 1
$data = array(
'key 1' => 'value of key 1',
'key 2' => 'value of key 2',
'key 3' => 'value of key 3'
);
display_table ($table, $data);
function display_table($table, $list) {
$row = 0;
foreach($list as $k=>$v) {
$key = new GtkLabel();
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Explanation
- The two lines of
$hbox->pack_start(new GtkLabel()); "forces" the table to be centered.
- The two 0's in
pack_start($table, 0, 0) is there so that PHP-GTK2 doesn't "auto-expand" the table by default.
Notes
If you omit the second $hbox->pack_start(new GtkLabel()), the table will be pushed to the right. as shown below:
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