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Update with jluke sample

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svn path=/trunk/gtk-sharp/; revision=16289
This commit is contained in:
Miguel de Icaza 2003-07-16 04:03:32 +00:00
parent 573ef76a41
commit 74ef92124b
1 changed files with 118 additions and 0 deletions
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118
doc/en/Gtk/HTML.xml
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@ -22,6 +22,124 @@
<para>
Gtk.HTML does not have support for CSS or JavaScript.
</para>
<para>
The following sample is a very minimal web browser.
</para>
<para>
<example>
<code lang="C#">
using System;
using System.Net;
using System.IO;
using Gtk;
using GtkSharp;
namespace HtmlTest
{
class HtmlTest
{
HTML html;
Entry entry;
string currentUrl;
static void Main (string[] args)
{
new HtmlTest();
}
HtmlTest()
{
Application.Init ();
Window win = new Window ("HtmlTest");
win.SetDefaultSize (800, 600);
win.DeleteEvent += new DeleteEventHandler (OnWindowDelete);
VBox vbox = new VBox (false, 1);
win.Add (vbox);
HBox hbox = new HBox (false, 1);
Label label = new Label ("Address:");
entry = new Entry ("");
entry.Activated += new EventHandler (OnEntryActivated);
Button button = new Button ("Go!");
button.Clicked += new EventHandler (OnButtonClicked);
hbox.PackStart (label, false, false, 1);
hbox.PackStart (entry, true, true, 1);
hbox.PackStart (button, false, false, 1);
vbox.PackStart (hbox, false, false, 1);
ScrolledWindow sw = new ScrolledWindow ();
sw.VscrollbarPolicy = PolicyType.Always;
sw.HscrollbarPolicy = PolicyType.Always;
vbox.PackStart(sw, true, true, 1);
html = new HTML ();
html.LinkClicked += new LinkClickedHandler (OnLinkClicked);
sw.Add (html);
win.ShowAll();
Application.Run ();
}
void OnWindowDelete (object obj, DeleteEventArgs args)
{
Application.Quit();
}
void OnButtonClicked (object obj, EventArgs args)
{
currentUrl = entry.Text.Trim();
LoadHtml (currentUrl);
}
void OnEntryActivated (object obj, EventArgs args)
{
OnButtonClicked (obj, args);
}
void OnLinkClicked (object obj, LinkClickedArgs args)
{
string newUrl;
// decide absolute or relative
if (args.Url.StartsWith("http://"))
newUrl = args.Url;
else
newUrl = currentUrl + args.Url;
try {
LoadHtml (newUrl);
} catch { }
currentUrl = newUrl;
}
void LoadHtml (string URL)
{
HttpWebRequest web_request = (HttpWebRequest) WebRequest.Create (URL);
HttpWebResponse web_response = (HttpWebResponse) web_request.GetResponse ();
Stream stream = web_response.GetResponseStream ();
byte [] buffer = new byte [8192];
HTMLStream html_stream = html.Begin ();
int count;
while ((count = stream.Read (buffer, 0, 8192)) != 0){
html_stream.Write (buffer, count);
}
html.End (html_stream, HTMLStreamStatus.Ok);
}
}
}
</code>
</example>
</para>
</remarks>
</Docs>
<Base>