代码实现PHP GTK写文本查看器

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PHP GTK写文本查看器代码示例：

1. ?php
2. require_once('File.php');
3. if (!class_exists('gtk')) {
4. if (strtoupper(substr(PHP_OS, 0,3) == 'WIN'))
5. dl('php_gtk.dll');
6. else
7. dl('php_gtk.so');
8. 10 }
9. function delete_event()
10. {
11. return false;
12. }
13. function shutdown()
14. {
15. print("Shutting down");
16. gtk::main_quit();
17. }
18. function ButtonLoad_clicked()
19. {
20. SelectFile();
21. }
22. function ButtonClose_clicked()
23. {
24. global $window;
25. $window->close();
26. }
27. function fs_OK($button, $fs)
28. {
29. global $TextBox;
30. $TextBox->insert_text
    (File::readAll($fs->get_filename()), 0);
31. return true;
32. }
33. function fs_Cancel()
34. {
35. return false;
36. }
37. function SelectFile()
38. {
39. $fs = &new GtkFileSelection
    ('Please select the file');
40. $ok_button = $fs->ok_button;
41. $ok_button->connect('clicked', 'fs_OK', $fs);
42. $ok_button->connect_object
    ('clicked', array($fs, 'destroy'));
43. $cancel_button = $fs->cancel_button;
44. $cancel_button->connect
    ('clicked', 'fs_Cancel');
45. $cancel_button->connect_object
    ('clicked', array($fs, 'destroy'));
46. $fs->show();
47. }
48. $window = &new GtkWindow();
49. $window->connect(
    'destroy', 'shutdown');
50. $window->connect('delete-event'
    , 'delete_event');
51. $window->set_border_width(0);
52. $TextBox = &new GtkText();
53. $TextBox->set_editable(true);
54. $ButtonLoad = &new GtkButton('Load');
55. $ButtonLoad->connect('clicked',
    'ButtonLoad_clicked');
56. $ButtonClose = &new GtkButton('Close');
57. $ButtonClose->connect('clicked',
    'ButtonClose_clicked');
58. $VBox = &new GtkVBox(false, 10);
59. $VBox->pack_start($ButtonLoad);
60. $VBox->pack_start($ButtonClose);
61. $HBox = &new GtkHBox(false, 10);
62. $HBox->pack_start($TextBox);
63. $HBox->pack_start($VBox);
64. $window->add($HBox);
65. $window->show_all();
66. gtk::main();
67. ?>

以上代码就是PHP GTK写文本查看器的相关方法介绍。