Re: [PHP-GTK] create a php-gtk browser using GtkHTML

Hi,
I'm still looking for a way to display image with no success :(
regards,
nathan

On 9/1/07, kksou <[email protected]> wrote:
>
> Hi,
>
> I'm trying to come out with a sample code to illustrate the use of GtkHTML
> by creating a simple php-gtk browser. The code is attached below.
>
> The bullk of the code runs ok, except for the image loading part. Through
> the signal 'url-requested', I managed to get the url of each image in the
> signal handler.
>
> In C, we would then do something like this:
>         gtk_html_stream_write($stream, $img, strlen($img));
>
> However, using the inspector, there's no GtkHTMLStream or similar method in
> GtkHTML.
> So, how do we load the image in GtkHTML?
>
> I've seen quite a number of postings in PHP-GTK-DEV between Alan and Andrei
> titled "gtkhtml: yes - working!" But that was back in 2001, and I believe it
> was for php-gtk1.
>
> Was wondering if anyone has managed to get the image loading part to work
> for GtkHTML, using the beta release of PHP-GTK2?
>
> Regards,
> /kksou
>
> Note: the sample code below requires the beta release of PHP-GTK2
>
> More details in:
> http://www.kksou.com/php-gtk2/articles/create-a-php-gtk-browser-using-gtkhtml---Part-1.php
>
> <?php
> $window = new GtkWindow();
> $window->set_title($argv[0]);
> $window->set_size_request(800, 640);
> $window->connect_simple('destroy', array('Gtk','main_quit'));
> $window->add($vbox = new GtkVBox());
>
> $hbox = new GtkHBox();
> $vbox->pack_start($hbox, 0);
>
> $hbox->pack_start(new GtkLabel('URL: '), 0);
> $hbox->pack_start($url_entry = new GtkEntry('http://www.google.com'));
> $hbox->pack_start($go_button = new GtkButton('Go'), 0);
> $go_button->set_size_request(32, -1);
>
> $scrolled_win = new GtkScrolledWindow();
> $scrolled_win->set_policy( Gtk::POLICY_AUTOMATIC,Gtk::POLICY_AUTOMATIC);
> $vbox->pack_start($scrolled_win);
> $gtkhtml = new GtkHTML(); // note 1
> $scrolled_win->add($gtkhtml);
>
> $gtkhtml->connect('url-requested', 'on_url_requested'); // note 2
>
> $url_entry->connect('activate', 'on_url_entry_activate', $go_button); //
> note 3
> $go_button->connect('clicked', 'on_go_button', $url_entry, $gtkhtml); //
> note 4
> $go_button->clicked();
>
> $window->show_all();
> Gtk::main();
>
> function on_url_entry_activate($entry, $go_button) {
>     $go_button->clicked(); // note 5
> }
>
> function on_go_button($button, $url_entry, $gtkhtml) {
>     $url = $url_entry->get_text(); // note 6
>     $html_text = file_get_contents($url); // note 7
>     $gtkhtml->set_base($url);
>     $gtkhtml->load_from_string($html_text); // note 8
> }
>
> function on_url_requested($gtkhtml, $url, $stream) {
>     echo "image url = $url\n"; // note 9
>
>     // load the image
>     $handle = fopen($url, "rb");
>     $img = '';
>     while (!feof($handle)) {
>         $img .= fread($handle, 8192);
>     }
>     fclose($handle);
>
>     // in C, we would then do this
>     // gtk_html_stream_write($stream, $img, strlen($img));
>     // gtk_html_stream_close($stream, (strlen($img)<0) ?
>     // Gtk::HTML_STREAM_ERROR:Gtk::HTML_STREAM_OK);
>     // However, there's no GtkHTMLStream or similar method in GtkHTML.
>     // So, how do we load the image in GtkHTML?
> }
>
> ?>
>
>
>
> --
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> Sent from the Php - GTK - General mailing list archive at Nabble.com.
>
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