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PHP-GTK2 Tips & Techniques
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by kksou
Sample Code 316: How to display html text using gtkhtml? |
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Written by kksou
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Friday, 31 August 2007 |
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Problem With the new PHP-GTK2 beta release, it's now a breeze to display html text with the use of GtkHTML as shown below:
Solution Using GtkHTML is easy.
- We execute the built-in GtkHTML command with $gtkhtml->command($command_name);?>
- Then display the html text with $html->load_from_string($html_text)
However, if this is the first time you use GtkHtml, please take note of the following.
Then display the html text with $html->load_from_string($html_text)
However, if this is the first time you use GtkHtml, please take note of the following.
Important Note:
- This only works for PHP-GTK2 compliled with the additional library GtkHTML.
- For linux, you have to recompile php-gtk2 to include this library.
- For windows, you may refer to the article How to install PHP-GTK2 on windows. The latest beta release from official php-gtk2 website comes complete with GtkHTML.
- In the
php.ini, don't forget to add php-gtk.extensions = php_gtk_html2.dll to turn on GtkHTML.
- Lastly, the most "tricky" part in running GtkHTML is that to run this script, you have to use gconfd-2 | php script.php. If you have installed the beta release of PHP-GTK2 on windows as outlined in this article, you will find the program gconfd-2.exe in the root directory of php-gtk.
- In the event that you cannot get this sample code to work, I would suggest that you try to do a fresh install of the beta-release of PHP-GTK2 (details here). It should work out-of-the-box (just need to add
php-gtk.extensions = php_gtk_html2.dll in php.ini as explained above). Note that you can still keep your original copy of php-gtk2 while having this new version.
- You will most likely see the warning
(php.exe:5348): Gdk-WARNING **: gdkselection-win32.c:1068: OpenClipboard failed: Invalid window handle.. Not really sure how to fix this yet. The script seems to run ok, though.
Sample Code 1
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| <?php
$window = new GtkWindow();
$window->set_title($argv[0]);
$window->set_size_request(400, 250);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$window->add($vbox = new GtkVBox());
$html = new GtkHTML(); // note 1
$vbox->pack_start($html);
$html_text = "<h1>GtkHTML Demo</h1>
<p><i>hello <font color=blue>world</font></i>, <b>gtkhtml!</b></p>
<table border=4>
<tr><th>A</th><th>B</th></tr>
<tr><td>a1.1</td><td bgcolor=#BAFFBF>b1.2</td></tr>
<tr><td bgcolor=#BAFFBF>a2.1</td><td>b2.2</td></tr>
</table>
<ul>
<li>item 1</li>
<li>item 2</li>
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- Note that this is only 70% of the sample code. You have to be a registered member to see the entire sample code. Please login or register.
- Registration is free and immediate.
- Have some doubt about the registration? Please read this forum article.
Explanation
- Create a new GtkHTML.
- Display the html text.
Note
Understand this one first. We will try to build a browser using GtkHTML in the next article...
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