/// <summary>
/// Handle's the Windows IE browser's key press events.
/// </summary>
/// <param name="sender">Sender object.</param>
/// <param name="e">Event arguments.</param>
private void OnKeyPress(object sender, HtmlElementEventArgs e)
{
if (browser is TWWebBrowserIE)
{
TWWebBrowserIE ieBrowser = browser as TWWebBrowserIE;
// By default, we assume that the key press is not significant, so we set the
// event args' return value to false, so event propagation continues.
e.ReturnValue = false;
int keyCode = e.KeyPressedCode;
if (e.CtrlKeyPressed)
{
keyCode += 96;
if (keyCode == 'c')
{
Copy?.Invoke(this, new CopyEventArgs()
{
Text = ieBrowser.GetSelectedText()
});
}
else if (keyCode == 'a')
{
ieBrowser.SelectAll();
}
else if (keyCode == 'f')
{
// We just send the appropriate keypress event to the WebBrowser. This doesn't
// seem to work well for ctrl + a, and doesn't work at all for ctrl + c.
SendKeys.SendWait("^f");
}
}
}
}
/// <summary>
/// Populate the view given the specified text.
/// </summary>
/// <param name="contents"></param>
/// <param name="editingEnabled"></param>
/// <returns></returns>
private void PopulateView(string contents, bool isURI = false)
{
if (browser == null)
{
if (ProcessUtilities.CurrentOS.IsWindows)
{
browser = CreateIEBrowser(vbox2);
/// UGH! Once the browser control gets keyboard focus, it doesn't relinquish it to
/// other controls. It's actually a COM object, I guess, and running
/// with a different message loop, and probably in a different thread.
///
/// Well, this hack works, more or less.
if (vbox2.Toplevel is Window)
{
(vbox2.Toplevel as Window).SetFocus += MainWindow_SetFocus;
}
frame1.Unrealized += Frame1_Unrealized;
if (this is MapView) // If we're only displaying a map, remove the unneeded scrollbar
{
(browser as TWWebBrowserIE).Browser.ScrollBarsEnabled = false;
}
}
else if (ProcessUtilities.CurrentOS.IsMac)
{
browser = CreateSafariBrowser(vbox2);
}
else
{
browser = CreateWebKitBrowser(vbox2);
}
}
if (isURI)
{
browser.Navigate(contents);
}
else
{
browser.LoadHTML(contents);
}
if (browser is TWWebBrowserIE && (browser as TWWebBrowserIE).Browser != null)
{
TWWebBrowserIE ieBrowser = browser as TWWebBrowserIE;
keyPressObject = ieBrowser.Browser.Document.ActiveElement;
if (keyPressObject != null)
{
(keyPressObject as HtmlElement).KeyPress += OnKeyPress;
}
ieBrowser.BackgroundColour = Utility.Colour.FromGtk(MainWidget.Style.Background(StateType.Normal));
ieBrowser.ForegroundColour = Utility.Colour.FromGtk(MainWidget.Style.Foreground(StateType.Normal));
}
//browser.Navigate("http://blend-bp.nexus.csiro.au/wiki/index.php");
}
// Although this isn't the obvious way to handle window resizing,
// I couldn't find any better technique.
public void OnWidgetExpose(object o, ExposeEventArgs args)
{
int height, width;
frame1.GdkWindow.GetSize(out width, out height);
frame1.SetSizeRequest(width, height);
if (browser is TWWebBrowserIE)
{
TWWebBrowserIE brow = browser as TWWebBrowserIE;
if (brow.unmapped)
{
brow.Remap();
}
if (brow.wb.Height != height || brow.wb.Width != width)
{
brow.socket.SetSizeRequest(width, height);
brow.wb.Height = height;
brow.wb.Width = width;
}
}
}
