Sample Code 108: How to align GtkEntry fields - Part 1? |
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Written by kksou
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Tuesday, 05 December 2006 |
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Problem If you align GtkEntry using just "plain" GtkTable, you will find that the field labels on the left get "centered":
Suppose you would like to display the field labels "more professionally" as shown below:
Solution We make use of the method as outlined in How to set the button to the exact size you want - Part 2 - using GtkAlignment?, that is, with the use of GtkAlignment.
Sample Code 1
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| <?php
$window = new GtkWindow();
$window->set_size_request(400, 240);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$window->add($vbox = new GtkVBox());
// display title
$title = new GtkLabel("Align GtkEntry Fields - Part 1");
$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);
$fields = array('Item number', 'Item Description', 'Unit price', 'Quantity');
$entry = array(); // to store the text entries
$table = new GtkTable();
display_table($table, $fields); // display the table
$vbox->pack_start($table);
function display_table($table, $fields) {
global $entry;
$row = 0;
foreach ($fields as $field) {
$label = new GtkLabel("$field: ");
$entry[$row] = new GtkEntry();
$alignment = new GtkAlignment(1, .5, 0, 0); // note 1
$alignment->add($label);
$table->attach($alignment, 0, 1, $row, $row+1);
$table->attach($entry[$row], 1, 2, $row, $row+1);
++$row;
}
}
// create a submit button
$button = new GtkButton('Submit');
$button->set_size_request(60, 28);
$button->connect('clicked', 'on_click');
$row = count($fields);
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Explanation
- Align the field label to the right of column 0, and set valign=middle.
- Align the button to the left of column 1, and set valign=middle.
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