用PHP开发GUI(一个简单的例子)

王朝php·作者佚名  2006-01-09
窄屏简体版  字體: |||超大  

环境:W2k+php4.3.1+php/gtk0.5.2

一个简单的记事本(只可以打开文件进行修改)

<?php

set_time_limit (0); // 设置运行时间

if (!class_exists ("gtk")) // 判断是否有GTK模块

if (strtoupper (substr ($_SERVER["OS"], 0, 3)) == "WIN")

dl ("php_gtk.dll");

else

dl ("php_gtk.so");

$window = &new GtkWindow (); // 建一个窗口

$window->set_uposition (100, 100); // 窗口出现位置

$window->set_usize ((gdk::screen_width()-200), (gdk::screen_height()-150)); // 窗口大小

$window->set_title ("WINDOWS"); // 设置窗口标题

$window->connect_object ('destroy', array ('gtk', 'main_quit')); // 注册窗口的事件

$vbox = &new GtkVBox ();

$hbox = &new GtkHBox ();

$window->add ($vbox);

$menuBar = &new GtkMenuBar (); // 创建菜单

$vbox->pack_start ($menuBar, false, false, 0);

$file = &new GtkMenuItem ("File");

$menuBar->append ($file);

$fileMenu = &new GtkMenu ();

$open = &new GtkMenuItem ("Open");

$save = &new GtkMenuItem ("Save");

$line = &new GtkMenuItem ();

$line->set_sensitive (true);

$exit = &new GtkMenuItem ("Exit");

$fileMenu->append ($open);

$open->connect_object ('activate', 'showFileSelection');

$fileMenu->append ($save);

$save->connect_object ('activate', 'saveFile');

$fileMenu->append ($line);

$fileMenu->append ($exit);

$exit->connect_object ('activate', array ('gtk', 'main_quit'));

$file->set_submenu ($fileMenu);

$scroll = &new GtkScrolledWindow ();

$scroll->set_border_width (8);

$scroll->set_policy (GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);

$hbox->pack_start ($scroll, true, true, 0);

$vbox->pack_start ($hbox, true, true, 1);

$text = &new GtkText ();

$text->set_editable (true);

$text->set_word_wrap (true);

$scroll->add ($text);

function showFileSelection () // 文件选择函数

{

$file = &new GtkFileSelection ("File Selection");

$ok_button = $file->ok_button;

$ok_button->connect ('clicked', 'openFile', $file);

$ok_button->connect_object ('clicked', array ($file, 'destroy'));

$cancel_button = $file->cancel_button;

$cancel_button->connect_object ('clicked', array ($file, 'destroy'));

$file->show ();

}

$filePath = null;

function openFile ($button, $f) // 打开文件的函数

{

GLOBAL $text, $save, $filePath;

$filePath = $f->get_filename ();

if (is_file ($filePath))

{

$fp = fopen ($filePath, 'r');

while (!feof ($fp))

$str .= fgets ($fp, 1024);

$text->insert (null, null, null, $str);

fclose ($fp);

return $filePath;

}

}

function saveFile () // 保存文件的函数

{

GLOBAL $filePath, $text;

if (is_file ($filePath))

{

$str = $text->get_chars (0, -1);

$fp = fopen ($filePath, 'w');

fwrite ($fp, $str);

fclose ($fp);

}

return;

}

$window->show_all (); // 显示窗体内的所有控件

gtk::main (); // 最重要的一句,不可少的

?>

 
 
 
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