/// <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 }
protected override void OnLeave(EventArgs e) { if ((_browser != null) && (_browser.WebBrowserFocus != null)) { _browser.WebBrowserFocus.Deactivate(); } _entered = false; base.OnLeave(e); #if __MonoCS__ Action EnsureXInputFocusIsRemovedFromReceivedWinFormsControl = () => { var control = Control.FromHandle(NativeReplacements.MonoGetFocus()); if (control is GeckoWebBrowser) { return; } MoveInputFocusBacktoAWinFormsControl(); // Setting the ActiveControl ensure a Focus event occurs on the control focus is moving to. // And this allows us to call RemoveinputFocus at the neccessary time. // This prevents keypress still going to the gecko controls when a winform TextBox has focus // and the mouse is over a gecko control. Form.ActiveForm.ActiveControl = control; EventHandler focusEvent = null; // Attach a execute once only focus handler to the Non GeckoWebBrowser control focus is moving too... focusEvent = (object sender, EventArgs eventArg) => { control.GotFocus -= focusEvent; MoveInputFocusBacktoAWinFormsControl(); }; control.GotFocus += focusEvent; }; ProgressUtils.InvokeLaterOnUIThread(() => EnsureXInputFocusIsRemovedFromReceivedWinFormsControl()); #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); }