Sample Code 385: How to setup and process toggle buttons - Part 2? |
|
Written by kksou
|
|
Thursday, 06 December 2007 |
|
Problem In this Part 2, we set the active state too so that the toggle button shows a different color when it's in the 'on' state as shown below:
Solution
- To create the rollover effect, we set a different background color for the PRELIGHT state.
- To make the 'on' state of a toggle button take on a different color, we set a different background color for the ACTIVE state.
Sample Code 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
| <?php
$window = new GtkWindow();
$window->set_size_request(400, 150);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$window->add($vbox = new GtkVBox());
// display title
$title = new GtkLabel("Setup and Process Toggle Buttons - Part 2");
$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);
$vbox->pack_start($hbox = new GtkHBox(), 0);
$button1 = setup_button($hbox, 'button 1');
$button2 = setup_button($hbox, 'button 2');
$button3 = setup_button($hbox, 'button 3');
$vbox->pack_start($status = new GtkLabel());
$window->show_all();
Gtk::main();
function setup_button($container, $button_label) {
$button = new GtkToggleButton($button_label);
$container->pack_start($button, 0);
$container->pack_start(new GtkLabel(' '), 0); // add a small gap
$button->modify_bg(Gtk::STATE_PRELIGHT,
GdkColor::parse("#99FFB3")); // note 1
$button->modify_bg(Gtk::STATE_ACTIVE,
GdkColor::parse("#99BFA2")); // note 2
$button->connect('clicked', 'on_click');
return $button;
}
function on_click($button) {
global $status, $button1, $button2, $button3;
print "You have clicked: ".$button->get_label()."\n";
$status1 = $button1->get_active()? 'on' : 'off';
$status2 = $button2->get_active()? 'on' : 'off';
$status3 = $button3->get_active()? 'on' : 'off';
$status->set_text(
"button 1: $status1\n".
"button 2: $status2\n".
"button 3: $status3");
}
?>
|
Explanation We make use of the code from How to setup and process toggle buttons - Part 1?
What's new here:
- Set the background color of the preflight state of the toggle button.
- Set the background color of the active state of the toggle button.
Related Links
User reviews There are no user reviews yet. Note: You have to be a registered member to leave a comment. Free registration here. |
