/// <summary>
/// Set InputFocus to a WinForm controls using Mono winforms connection to the X11 server.
/// GeckoWebBrowser.RemoveInputFocus uses the Gecko/Gtk connection to the X11 server.
/// The undoes the call to _browser.SetInputFocus.
/// Call this method when a winform control has gained focus, and X11 Input focus is still on the Gecko control.
/// </summary>
protected static void MoveInputFocusBacktoAWinFormsControl()
{
#if __MonoCS__
IntPtr newTargetHandle = NativeReplacements.MonoGetFocus();
IntPtr displayHandle = NativeReplacements.MonoGetDisplayHandle();
// Remove the Focus from a Gtk window back to a mono winform X11 window.
NativeX11Methods.XSetInputFocus(displayHandle, NativeReplacements.MonoGetX11Window(newTargetHandle), NativeX11Methods.RevertTo.None, IntPtr.Zero);
#endif
}
/// <summary>
/// Set WM_CLASS property
/// </summary>
/// <remarks>You should call this method after you opened your main form so that the
/// icon in the launcher and the app menu will show the correct name/icon when running
/// on Ubuntu 18.04. The <paramref name="name"/> should match the name of the
/// application/launcher used to start the application, e.g. fieldworks-flex.</remarks>
public static void SetWmClass(string name, string @class, IntPtr handle)
{
if (!Platform.IsLinux)
{
return;
}
var classHint = new XClassHint {
res_name = Marshal.StringToCoTaskMemAnsi(name),
res_class = Marshal.StringToCoTaskMemAnsi(@class)
};
var classHints = Marshal.AllocCoTaskMem(Marshal.SizeOf(classHint));
Marshal.StructureToPtr(classHint, classHints, true);
XSetClassHint(NativeReplacements.MonoGetDisplayHandle(),
NativeReplacements.MonoGetX11Window(handle), classHints);
Marshal.FreeCoTaskMem(classHint.res_name);
Marshal.FreeCoTaskMem(classHint.res_class);
Marshal.FreeCoTaskMem(classHints);
}