using Xunit.Abstractions; namespace Terminal.Gui.ViewsTests; public partial class ToplevelTests (ITestOutputHelper output) { [Fact] public void Constructor_Default () { var top = new Toplevel (); Assert.Equal (Colors.ColorSchemes ["TopLevel"], top.ColorScheme); Assert.Equal ("Fill(0)", top.Width.ToString ()); Assert.Equal ("Fill(0)", top.Height.ToString ()); Assert.False (top.Running); Assert.False (top.Modal); Assert.Null (top.MenuBar); Assert.Null (top.StatusBar); Assert.False (top.IsOverlappedContainer); Assert.False (ApplicationOverlapped.IsOverlapped (top)); } [Fact] public void Arrangement_Default_Is_Fixed () { var top = new Toplevel (); Assert.Equal (ViewArrangement.Fixed, top.Arrangement); } #if BROKE_IN_2927 // BUGBUG: The name of this test does not match what it does. [Fact] [AutoInitShutdown] public void Application_Top_GetLocationThatFits_To_Driver_Rows_And_Cols () { var iterations = 0; Application.Iteration += (s, a) => { switch (iterations) { case 0: Assert.False (Application.Top.AutoSize); Assert.Equal ("Top1", Application.Top.Text); Assert.Equal (0, Application.Top.Frame.X); Assert.Equal (0, Application.Top.Frame.Y); Assert.Equal (Application.Driver!.Cols, Application.Top.Frame.Width); Assert.Equal (Application.Driver!.Rows, Application.Top.Frame.Height); Application.OnKeyPressed (new (Key.CtrlMask | Key.R)); break; case 1: Assert.Equal ("Top2", Application.Top.Text); Assert.Equal (0, Application.Top.Frame.X); Assert.Equal (0, Application.Top.Frame.Y); Assert.Equal (Application.Driver!.Cols, Application.Top.Frame.Width); Assert.Equal (Application.Driver!.Rows, Application.Top.Frame.Height); Application.OnKeyPressed (new (Key.CtrlMask | Key.C)); break; case 3: Assert.Equal ("Top1", Application.Top.Text); Assert.Equal (0, Application.Top.Frame.X); Assert.Equal (0, Application.Top.Frame.Y); Assert.Equal (Application.Driver!.Cols, Application.Top.Frame.Width); Assert.Equal (Application.Driver!.Rows, Application.Top.Frame.Height); Application.OnKeyPressed (new (Key.CtrlMask | Key.R)); break; case 4: Assert.Equal ("Top2", Application.Top.Text); Assert.Equal (0, Application.Top.Frame.X); Assert.Equal (0, Application.Top.Frame.Y); Assert.Equal (Application.Driver!.Cols, Application.Top.Frame.Width); Assert.Equal (Application.Driver!.Rows, Application.Top.Frame.Height); Application.OnKeyPressed (new (Key.CtrlMask | Key.C)); break; case 6: Assert.Equal ("Top1", Application.Top.Text); Assert.Equal (0, Application.Top.Frame.X); Assert.Equal (0, Application.Top.Frame.Y); Assert.Equal (Application.Driver!.Cols, Application.Top.Frame.Width); Assert.Equal (Application.Driver!.Rows, Application.Top.Frame.Height); Application.OnKeyPressed (new (Key.CtrlMask | Key.Q)); break; } iterations++; }; Application.Run (Top1 ()); Toplevel Top1 () { var top = Application.Top; top.Text = "Top1"; var menu = new MenuBar ( new MenuBarItem [] { new MenuBarItem ( "_Options", new MenuItem [] { new MenuItem ( "_Run Top2", "", () => Application.Run (Top2 ()), null, null, Key.CtrlMask | Key.R ), new MenuItem ( "_Quit", "", () => Application .RequestStop (), null, null, Key.CtrlMask | Key.Q ) } ) } ); top.Add (menu); var statusBar = new StatusBar ( new [] { new StatusItem ( Key.CtrlMask | Key.R, "~^R~ Run Top2", () => Application.Run (Top2 ()) ), new StatusItem ( Application.QuitKey, $"{Application.QuitKey} to Quit", () => Application.RequestStop () ) } ); top.Add (statusBar); var t1 = new Toplevel (); top.Add (t1); return top; } Toplevel Top2 () { var top = new Toplevel (Application.Top.Frame); top.Text = "Top2"; var win = new Window { Width = Dim.Fill (), Height = Dim.Fill () }; var menu = new MenuBar ( new MenuBarItem [] { new MenuBarItem ( "_Stage", new MenuItem [] { new MenuItem ( "_Close", "", () => Application .RequestStop (), null, null, Key.CtrlMask | Key.C ) } ) } ); top.Add (menu); var statusBar = new StatusBar ( new [] { new StatusItem ( Key.CtrlMask | Key.C, "~^C~ Close", () => Application.RequestStop () ), } ); top.Add (statusBar); win.Add ( new ListView { X = 0, Y = 0, Width = Dim.Fill (), Height = Dim.Fill () } ); top.Add (win); return top; } } #endif [Fact] [AutoInitShutdown] public void Internal_Tests () { var top = new Toplevel (); var eventInvoked = ""; top.ChildUnloaded += (s, e) => eventInvoked = "ChildUnloaded"; top.OnChildUnloaded (top); Assert.Equal ("ChildUnloaded", eventInvoked); top.ChildLoaded += (s, e) => eventInvoked = "ChildLoaded"; top.OnChildLoaded (top); Assert.Equal ("ChildLoaded", eventInvoked); top.Closed += (s, e) => eventInvoked = "Closed"; top.OnClosed (top); Assert.Equal ("Closed", eventInvoked); top.Closing += (s, e) => eventInvoked = "Closing"; top.OnClosing (new (top)); Assert.Equal ("Closing", eventInvoked); top.AllChildClosed += (s, e) => eventInvoked = "AllChildClosed"; top.OnAllChildClosed (); Assert.Equal ("AllChildClosed", eventInvoked); top.ChildClosed += (s, e) => eventInvoked = "ChildClosed"; top.OnChildClosed (top); Assert.Equal ("ChildClosed", eventInvoked); top.Deactivate += (s, e) => eventInvoked = "Deactivate"; top.OnDeactivate (top); Assert.Equal ("Deactivate", eventInvoked); top.Activate += (s, e) => eventInvoked = "Activate"; top.OnActivate (top); Assert.Equal ("Activate", eventInvoked); top.Loaded += (s, e) => eventInvoked = "Loaded"; top.OnLoaded (); Assert.Equal ("Loaded", eventInvoked); top.Ready += (s, e) => eventInvoked = "Ready"; top.OnReady (); Assert.Equal ("Ready", eventInvoked); top.Unloaded += (s, e) => eventInvoked = "Unloaded"; top.OnUnloaded (); Assert.Equal ("Unloaded", eventInvoked); top.AddMenuStatusBar (new MenuBar ()); Assert.NotNull (top.MenuBar); top.AddMenuStatusBar (new StatusBar ()); Assert.NotNull (top.StatusBar); top.RemoveMenuStatusBar (top.MenuBar); Assert.Null (top.MenuBar); top.RemoveMenuStatusBar (top.StatusBar); Assert.Null (top.StatusBar); Application.Begin (top); Assert.Equal (top, Application.Top); // Application.Top without menu and status bar. View supView = View.GetLocationEnsuringFullVisibility (top, 2, 2, out int nx, out int ny, out StatusBar sb); Assert.Equal (Application.Top, supView); Assert.Equal (0, nx); Assert.Equal (0, ny); Assert.Null (sb); top.AddMenuStatusBar (new MenuBar ()); Assert.NotNull (top.MenuBar); // Application.Top with a menu and without status bar. View.GetLocationEnsuringFullVisibility (top, 2, 2, out nx, out ny, out sb); Assert.Equal (0, nx); Assert.Equal (1, ny); Assert.Null (sb); top.AddMenuStatusBar (new StatusBar ()); Assert.NotNull (top.StatusBar); // Application.Top with a menu and status bar. View.GetLocationEnsuringFullVisibility (top, 2, 2, out nx, out ny, out sb); Assert.Equal (0, nx); // The available height is lower than the Application.Top height minus // the menu bar and status bar, then the top can go beyond the bottom Assert.Equal (2, ny); Assert.NotNull (sb); top.RemoveMenuStatusBar (top.MenuBar); Assert.Null (top.MenuBar); // Application.Top without a menu and with a status bar. View.GetLocationEnsuringFullVisibility (top, 2, 2, out nx, out ny, out sb); Assert.Equal (0, nx); // The available height is lower than the Application.Top height minus // the status bar, then the top can go beyond the bottom Assert.Equal (2, ny); Assert.NotNull (sb); top.RemoveMenuStatusBar (top.StatusBar); Assert.Null (top.StatusBar); Assert.Null (top.MenuBar); var win = new Window { Width = Dim.Fill (), Height = Dim.Fill () }; top.Add (win); top.LayoutSubviews (); // The SuperView is always the same regardless of the caller. supView = View.GetLocationEnsuringFullVisibility (win, 0, 0, out nx, out ny, out sb); Assert.Equal (Application.Top, supView); supView = View.GetLocationEnsuringFullVisibility (win, 0, 0, out nx, out ny, out sb); Assert.Equal (Application.Top, supView); // Application.Top without menu and status bar. View.GetLocationEnsuringFullVisibility (win, 0, 0, out nx, out ny, out sb); Assert.Equal (0, nx); Assert.Equal (0, ny); Assert.Null (sb); top.AddMenuStatusBar (new MenuBar ()); Assert.NotNull (top.MenuBar); // Application.Top with a menu and without status bar. View.GetLocationEnsuringFullVisibility (win, 2, 2, out nx, out ny, out sb); Assert.Equal (0, nx); Assert.Equal (1, ny); Assert.Null (sb); top.AddMenuStatusBar (new StatusBar ()); Assert.NotNull (top.StatusBar); // Application.Top with a menu and status bar. View.GetLocationEnsuringFullVisibility (win, 30, 20, out nx, out ny, out sb); Assert.Equal (0, nx); // The available height is lower than the Application.Top height minus // the menu bar and status bar, then the top can go beyond the bottom Assert.Equal (20, ny); Assert.NotNull (sb); top.RemoveMenuStatusBar (top.MenuBar); top.RemoveMenuStatusBar (top.StatusBar); Assert.Null (top.StatusBar); Assert.Null (top.MenuBar); top.Remove (win); win = new () { Width = 60, Height = 15 }; top.Add (win); // Application.Top without menu and status bar. View.GetLocationEnsuringFullVisibility (win, 0, 0, out nx, out ny, out sb); Assert.Equal (0, nx); Assert.Equal (0, ny); Assert.Null (sb); top.AddMenuStatusBar (new MenuBar ()); Assert.NotNull (top.MenuBar); // Application.Top with a menu and without status bar. View.GetLocationEnsuringFullVisibility (win, 2, 2, out nx, out ny, out sb); Assert.Equal (2, nx); Assert.Equal (2, ny); Assert.Null (sb); top.AddMenuStatusBar (new StatusBar ()); Assert.NotNull (top.StatusBar); // Application.Top with a menu and status bar. View.GetLocationEnsuringFullVisibility (win, 30, 20, out nx, out ny, out sb); Assert.Equal (20, nx); // 20+60=80 Assert.Equal (9, ny); // 9+15+1(mb)=25 Assert.NotNull (sb); top.PositionToplevels (); Assert.Equal (new (0, 1, 60, 15), win.Frame); //Assert.Null (Toplevel._dragPosition); win.NewMouseEvent (new () { Position = new (6, 0), Flags = MouseFlags.Button1Pressed }); // Assert.Equal (new Point (6, 0), Toplevel._dragPosition); win.NewMouseEvent (new () { Position = new (6, 0), Flags = MouseFlags.Button1Released }); //Assert.Null (Toplevel._dragPosition); win.CanFocus = false; win.NewMouseEvent (new () { Position = new (6, 0), Flags = MouseFlags.Button1Pressed }); //Assert.Null (Toplevel._dragPosition); top.Dispose (); } [Fact] [AutoInitShutdown] public void KeyBindings_Command () { var isRunning = false; var win1 = new Window { Id = "win1", Width = Dim.Percent (50), Height = Dim.Fill () }; var lblTf1W1 = new Label { Id = "lblTf1W1", Text = "Enter text in TextField on Win1:" }; var tf1W1 = new TextField { Id = "tf1W1", X = Pos.Right (lblTf1W1) + 1, Width = Dim.Fill (), Text = "Text1 on Win1" }; var lblTvW1 = new Label { Id = "lblTvW1", Y = Pos.Bottom (lblTf1W1) + 1, Text = "Enter text in TextView on Win1:" }; var tvW1 = new TextView { Id = "tvW1", X = Pos.Left (tf1W1), Width = Dim.Fill (), Height = 2, Text = "First line Win1\nSecond line Win1" }; var lblTf2W1 = new Label { Id = "lblTf2W1", Y = Pos.Bottom (lblTvW1) + 1, Text = "Enter text in TextField on Win1:" }; var tf2W1 = new TextField { Id = "tf2W1", X = Pos.Left (tf1W1), Width = Dim.Fill (), Text = "Text2 on Win1" }; win1.Add (lblTf1W1, tf1W1, lblTvW1, tvW1, lblTf2W1, tf2W1); var win2 = new Window { Id = "win2", X = Pos.Right (win1) + 1, Width = Dim.Percent (50), Height = Dim.Fill () }; var lblTf1W2 = new Label { Id = "lblTf1W2", Text = "Enter text in TextField on Win2:" }; var tf1W2 = new TextField { Id = "tf1W2", X = Pos.Right (lblTf1W2) + 1, Width = Dim.Fill (), Text = "Text1 on Win2" }; var lblTvW2 = new Label { Id = "lblTvW2", Y = Pos.Bottom (lblTf1W2) + 1, Text = "Enter text in TextView on Win2:" }; var tvW2 = new TextView { Id = "tvW2", X = Pos.Left (tf1W2), Width = Dim.Fill (), Height = 2, Text = "First line Win1\nSecond line Win2" }; var lblTf2W2 = new Label { Id = "lblTf2W2", Y = Pos.Bottom (lblTvW2) + 1, Text = "Enter text in TextField on Win2:" }; var tf2W2 = new TextField { Id = "tf2W2", X = Pos.Left (tf1W2), Width = Dim.Fill (), Text = "Text2 on Win2" }; win2.Add (lblTf1W2, tf1W2, lblTvW2, tvW2, lblTf2W2, tf2W2); Toplevel top = new (); top.Add (win1, win2); top.Loaded += (s, e) => isRunning = true; top.Closing += (s, e) => isRunning = false; Application.Begin (top); top.Running = true; Assert.Equal (new (0, 0, 40, 25), win1.Frame); Assert.Equal (new (41, 0, 40, 25), win2.Frame); Assert.Equal (win1, top.Focused); Assert.Equal (tf1W1, top.MostFocused); Assert.True (isRunning); Assert.True (Application.OnKeyDown (Application.QuitKey)); Assert.False (isRunning); Assert.True (Application.OnKeyDown (Key.Z.WithCtrl)); Assert.True (Application.OnKeyDown (Key.F5)); // refresh Assert.True (Application.OnKeyDown (Key.Tab)); Assert.Equal (win1, top.Focused); Assert.Equal (tvW1, top.MostFocused); Assert.True (Application.OnKeyDown (Key.Tab)); Assert.Equal ($"\tFirst line Win1{Environment.NewLine}Second line Win1", tvW1.Text); Assert.True (Application.OnKeyDown (Key.Tab.WithShift)); Assert.Equal ($"First line Win1{Environment.NewLine}Second line Win1", tvW1.Text); var prevMostFocusedSubview = top.MostFocused; Assert.True (Application.OnKeyDown (Key.Tab.WithCtrl)); // move to next TabGroup (win2) Assert.Equal (win2, top.Focused); Assert.True (Application.OnKeyDown (Key.Tab.WithCtrl.WithShift)); // move to prev TabGroup (win1) Assert.Equal (win1, top.Focused); Assert.Equal (tf2W1, top.MostFocused); // BUGBUG: Should be prevMostFocusedSubview - We need to cache the last focused view in the TabGroup somehow prevMostFocusedSubview.SetFocus (); Assert.Equal (tvW1, top.MostFocused); tf2W1.SetFocus (); Assert.True (Application.OnKeyDown (Key.Tab)); // tf2W1 is last subview in win1 - tabbing should take us to first subview of win1 Assert.Equal (win1, top.Focused); Assert.Equal (tf1W1, top.MostFocused); Assert.True (Application.OnKeyDown (Key.CursorRight)); // move char to right in tf1W1. We're at last char so nav to next view Assert.Equal (win1, top.Focused); Assert.Equal (tvW1, top.MostFocused); Assert.True (Application.OnKeyDown (Key.CursorDown)); // move down to next view (tvW1) Assert.Equal (win1, top.Focused); Assert.Equal (tvW1, top.MostFocused); #if UNIX_KEY_BINDINGS Assert.True (Application.OnKeyDown (new (Key.I.WithCtrl))); Assert.Equal (win1, top.Focused); Assert.Equal (tf2W1, top.MostFocused); #endif Assert.True (Application.OnKeyDown (Key.Tab.WithShift)); // Ignored. TextView eats shift-tab by default Assert.Equal (win1, top.Focused); Assert.Equal (tvW1, top.MostFocused); tvW1.AllowsTab = false; Assert.True (Application.OnKeyDown (Key.Tab.WithShift)); Assert.Equal (win1, top.Focused); Assert.Equal (tf1W1, top.MostFocused); Assert.True (Application.OnKeyDown (Key.CursorLeft)); Assert.Equal (win1, top.Focused); Assert.Equal (tf2W1, top.MostFocused); Assert.True (Application.OnKeyDown (Key.CursorUp)); Assert.Equal (win1, top.Focused); Assert.Equal (tvW1, top.MostFocused); // nav to win2 Assert.True (Application.OnKeyDown (Key.Tab.WithCtrl)); Assert.Equal (win2, top.Focused); Assert.Equal (tf1W2, top.MostFocused); Assert.True (Application.OnKeyDown (Key.Tab.WithCtrl.WithShift)); Assert.Equal (win1, top.Focused); Assert.Equal (tf2W1, top.MostFocused); Assert.True (Application.OnKeyDown (Application.AlternateForwardKey)); Assert.Equal (win2, top.Focused); Assert.Equal (tf1W2, top.MostFocused); Assert.True (Application.OnKeyDown (Application.AlternateBackwardKey)); Assert.Equal (win1, top.Focused); Assert.Equal (tf2W1, top.MostFocused); Assert.True (Application.OnKeyDown (Key.CursorUp)); Assert.Equal (win1, top.Focused); Assert.Equal (tvW1, top.MostFocused); top.Dispose (); } [Fact] public void Added_Event_Should_Not_Be_Used_To_Initialize_Toplevel_Events () { var wasAdded = false; var view = new View (); view.Added += View_Added; void View_Added (object sender, SuperViewChangedEventArgs e) { Assert.False (wasAdded); wasAdded = true; view.Added -= View_Added; } var win = new Window (); win.Add (view); Application.Init (new FakeDriver ()); Toplevel top = new (); top.Add (win); Assert.True (wasAdded); Application.Shutdown (); } [Fact] [AutoInitShutdown] public void Mouse_Drag_On_Top_With_Superview_Null () { var win = new Window (); Toplevel top = new (); top.Add (win); int iterations = -1; Window testWindow; Application.Iteration += (s, a) => { iterations++; if (iterations == 0) { ((FakeDriver)Application.Driver!).SetBufferSize (15, 7); // Don't use MessageBox here; it's too complicated for this unit test; just use Window testWindow = new () { Text = "Hello", X = 2, Y = 2, Width = 10, Height = 3, Arrangement = ViewArrangement.Movable }; Application.Run (testWindow); } else if (iterations == 1) { Assert.Equal (new (2, 2), Application.Current.Frame.Location); } else if (iterations == 2) { Assert.Null (Application.MouseGrabView); // Grab the mouse Application.OnMouseEvent (new () { Position = new (3, 2), Flags = MouseFlags.Button1Pressed }); Assert.Equal (Application.Current.Border, Application.MouseGrabView); Assert.Equal (new (2, 2, 10, 3), Application.Current.Frame); } else if (iterations == 3) { Assert.Equal (Application.Current.Border, Application.MouseGrabView); // Drag to left Application.OnMouseEvent ( new () { Position = new (2, 2), Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition }); Application.Refresh (); Assert.Equal (Application.Current.Border, Application.MouseGrabView); Assert.Equal (new (1, 2, 10, 3), Application.Current.Frame); } else if (iterations == 4) { Assert.Equal (Application.Current.Border, Application.MouseGrabView); Assert.Equal (new (1, 2), Application.Current.Frame.Location); Assert.Equal (Application.Current.Border, Application.MouseGrabView); } else if (iterations == 5) { Assert.Equal (Application.Current.Border, Application.MouseGrabView); // Drag up Application.OnMouseEvent ( new () { Position = new (2, 1), Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition }); Application.Refresh (); Assert.Equal (Application.Current.Border, Application.MouseGrabView); Assert.Equal (new (1, 1, 10, 3), Application.Current.Frame); } else if (iterations == 6) { Assert.Equal (Application.Current.Border, Application.MouseGrabView); Assert.Equal (new (1, 1), Application.Current.Frame.Location); Assert.Equal (Application.Current.Border, Application.MouseGrabView); Assert.Equal (new (1, 1, 10, 3), Application.Current.Frame); } else if (iterations == 7) { Assert.Equal (Application.Current.Border, Application.MouseGrabView); // Ungrab the mouse Application.OnMouseEvent (new () { Position = new (2, 1), Flags = MouseFlags.Button1Released }); Application.Refresh (); Assert.Null (Application.MouseGrabView); } else if (iterations == 8) { Application.RequestStop (); } else if (iterations == 9) { Application.RequestStop (); } }; Application.Run (top); top.Dispose (); } [Fact] [AutoInitShutdown] public void Mouse_Drag_On_Top_With_Superview_Not_Null () { var win = new Window { X = 3, Y = 2, Width = 10, Height = 5, Arrangement = ViewArrangement.Movable }; Toplevel top = new (); top.Add (win); int iterations = -1; var movex = 0; var movey = 0; var location = new Rectangle (win.Frame.X, win.Frame.Y, 7, 3); Application.Iteration += (s, a) => { iterations++; if (iterations == 0) { ((FakeDriver)Application.Driver!).SetBufferSize (30, 10); } else if (iterations == 1) { location = win.Frame; Assert.Null (Application.MouseGrabView); // Grab the mouse Application.OnMouseEvent ( new () { Position = new (win.Frame.X, win.Frame.Y), Flags = MouseFlags.Button1Pressed }); Assert.Equal (win.Border, Application.MouseGrabView); } else if (iterations == 2) { Assert.Equal (win.Border, Application.MouseGrabView); // Drag to left movex = 1; movey = 0; Application.OnMouseEvent ( new () { Position = new (win.Frame.X + movex, win.Frame.Y + movey), Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition }); Assert.Equal (win.Border, Application.MouseGrabView); } else if (iterations == 3) { // we should have moved +1, +0 Assert.Equal (win.Border, Application.MouseGrabView); Assert.Equal (win.Border, Application.MouseGrabView); location.Offset (movex, movey); } else if (iterations == 4) { Assert.Equal (win.Border, Application.MouseGrabView); // Drag up movex = 0; movey = -1; Application.OnMouseEvent ( new () { Position = new (win.Frame.X + movex, win.Frame.Y + movey), Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition }); Assert.Equal (win.Border, Application.MouseGrabView); } else if (iterations == 5) { // we should have moved +0, -1 Assert.Equal (win.Border, Application.MouseGrabView); location.Offset (movex, movey); Assert.Equal (location, win.Frame); } else if (iterations == 6) { Assert.Equal (win.Border, Application.MouseGrabView); // Ungrab the mouse movex = 0; movey = 0; Application.OnMouseEvent ( new () { Position = new (win.Frame.X + movex, win.Frame.Y + movey), Flags = MouseFlags.Button1Released }); Assert.Null (Application.MouseGrabView); } else if (iterations == 7) { Application.RequestStop (); } }; Application.Run (top); top.Dispose (); } [Fact] [SetupFakeDriver] public void GetLocationThatFits_With_Border_Null_Not_Throws () { var top = new Toplevel (); top.BeginInit (); top.EndInit (); Exception exception = Record.Exception (() => ((FakeDriver)Application.Driver!).SetBufferSize (0, 10)); Assert.Null (exception); exception = Record.Exception (() => ((FakeDriver)Application.Driver!).SetBufferSize (10, 0)); Assert.Null (exception); } [Fact] [AutoInitShutdown] public void OnEnter_OnLeave_Triggered_On_Application_Begin_End () { var viewEnterInvoked = false; var viewLeaveInvoked = false; var v = new View (); v.Enter += (s, _) => viewEnterInvoked = true; v.Leave += (s, _) => viewLeaveInvoked = true; Toplevel top = new (); top.Add (v); Assert.False (v.CanFocus); Exception exception = Record.Exception (() => top.OnEnter (top)); Assert.Null (exception); exception = Record.Exception (() => top.OnLeave (top)); Assert.Null (exception); v.CanFocus = true; RunState rsTop = Application.Begin (top); Assert.True (top.HasFocus); Assert.True (v.HasFocus); // From the v view Assert.True (viewEnterInvoked); // The Leave event is only raised on the End method // and the top is still running Assert.False (viewLeaveInvoked); Assert.False (viewLeaveInvoked); Application.End (rsTop); Assert.True (viewLeaveInvoked); top.Dispose (); } [Fact] [AutoInitShutdown] public void OnEnter_OnLeave_Triggered_On_Application_Begin_End_With_Modal () { var viewEnterInvoked = false; var viewLeaveInvoked = false; var v = new View (); v.Enter += (s, _) => viewEnterInvoked = true; v.Leave += (s, _) => viewLeaveInvoked = true; Toplevel top = new (); top.Add (v); Assert.False (v.CanFocus); Exception exception = Record.Exception (() => top.OnEnter (top)); Assert.Null (exception); exception = Record.Exception (() => top.OnLeave (top)); Assert.Null (exception); v.CanFocus = true; RunState rsTop = Application.Begin (top); // From the v view Assert.True (viewEnterInvoked); // The Leave event is only raised on the End method // and the top is still running Assert.False (viewLeaveInvoked); var dlgEnterInvoked = false; var dlgLeaveInvoked = false; var d = new Dialog (); var dv = new View { CanFocus = true }; dv.Enter += (s, _) => dlgEnterInvoked = true; dv.Leave += (s, _) => dlgLeaveInvoked = true; d.Add (dv); RunState rsDialog = Application.Begin (d); // From the dv view Assert.True (dlgEnterInvoked); Assert.False (dlgLeaveInvoked); Assert.True (dv.HasFocus); Assert.True (viewLeaveInvoked); viewEnterInvoked = false; viewLeaveInvoked = false; Application.End (rsDialog); d.Dispose (); // From the v view Assert.True (viewEnterInvoked); // From the dv view Assert.True (dlgEnterInvoked); Assert.True (dlgLeaveInvoked); Assert.True (v.HasFocus); Assert.False (viewLeaveInvoked); Application.End (rsTop); Assert.True (viewLeaveInvoked); top.Dispose (); } [Fact (Skip = "2491: This is a bogus test that is impossible to figure out. Replace with something simpler.")] [AutoInitShutdown] public void OnEnter_OnLeave_Triggered_On_Application_Begin_End_With_More_Toplevels () { var iterations = 0; var steps = new int [4]; var isEnterTop = false; var isLeaveTop = false; var subViewofTop = new View (); Toplevel top = new (); var dlg = new Dialog (); subViewofTop.Enter += (s, e) => { iterations++; isEnterTop = true; if (iterations == 1) { steps [0] = iterations; Assert.Null (e.Leaving); } else { steps [3] = iterations; Assert.Equal (dlg, e.Leaving); } }; subViewofTop.Leave += (s, e) => { // This will never be raised iterations++; isLeaveTop = true; //Assert.Equal (dlg, e.Leaving); }; top.Add (subViewofTop); Assert.False (subViewofTop.CanFocus); Exception exception = Record.Exception (() => top.OnEnter (top)); Assert.Null (exception); exception = Record.Exception (() => top.OnLeave (top)); Assert.Null (exception); subViewofTop.CanFocus = true; RunState rsTop = Application.Begin (top); Assert.True (isEnterTop); Assert.False (isLeaveTop); isEnterTop = false; var isEnterDiag = false; var isLeaveDiag = false; var subviewOfDlg = new View (); subviewOfDlg.Enter += (s, e) => { iterations++; steps [1] = iterations; isEnterDiag = true; Assert.Null (e.Leaving); }; subviewOfDlg.Leave += (s, e) => { iterations++; steps [2] = iterations; isLeaveDiag = true; Assert.Equal (top, e.Entering); }; dlg.Add (subviewOfDlg); Assert.False (subviewOfDlg.CanFocus); exception = Record.Exception (() => dlg.OnEnter (dlg)); Assert.Null (exception); exception = Record.Exception (() => dlg.OnLeave (dlg)); Assert.Null (exception); subviewOfDlg.CanFocus = true; RunState rsDiag = Application.Begin (dlg); Assert.True (isEnterDiag); Assert.False (isLeaveDiag); Assert.False (isEnterTop); // The Leave event is only raised on the End method // and the top is still running Assert.False (isLeaveTop); isEnterDiag = false; isLeaveTop = false; Application.End (rsDiag); dlg.Dispose (); Assert.False (isEnterDiag); Assert.True (isLeaveDiag); Assert.True (isEnterTop); // Leave event on top cannot be raised // because Current is null on the End method Assert.False (isLeaveTop); Assert.True (subViewofTop.HasFocus); Application.End (rsTop); Assert.Equal (1, steps [0]); Assert.Equal (2, steps [1]); Assert.Equal (3, steps [2]); Assert.Equal (4, steps [^1]); top.Dispose (); } [Fact] [AutoInitShutdown] public void PositionCursor_SetCursorVisibility_To_Invisible_If_Focused_Is_Null () { var tf = new TextField { Width = 5, Text = "test" }; var view = new View { Width = 10, Height = 10 }; view.Add (tf); var top = new Toplevel (); top.Add (view); Application.Begin (top); Assert.True (tf.HasFocus); Application.PositionCursor (top); Application.Driver!.GetCursorVisibility (out CursorVisibility cursor); Assert.Equal (CursorVisibility.Default, cursor); view.Enabled = false; Assert.False (tf.HasFocus); Application.PositionCursor (top); Application.Driver!.GetCursorVisibility (out cursor); Assert.Equal (CursorVisibility.Invisible, cursor); top.Dispose (); } [Fact] [AutoInitShutdown] public void IsLoaded_Application_Begin () { Toplevel top = new (); Assert.False (top.IsLoaded); Application.Begin (top); Assert.True (top.IsLoaded); top.Dispose (); } [Fact] [AutoInitShutdown] public void IsLoaded_With_Sub_Toplevel_Application_Begin_NeedDisplay () { Toplevel top = new (); var subTop = new Toplevel (); var view = new View { Frame = new (0, 0, 20, 10) }; subTop.Add (view); top.Add (subTop); Assert.False (top.IsLoaded); Assert.False (subTop.IsLoaded); Assert.Equal (new (0, 0, 20, 10), view.Frame); view.LayoutStarted += ViewLayoutStarted; void ViewLayoutStarted (object sender, LayoutEventArgs e) { Assert.Equal (new (0, 0, 20, 10), view._needsDisplayRect); view.LayoutStarted -= ViewLayoutStarted; } Application.Begin (top); Assert.True (top.IsLoaded); Assert.True (subTop.IsLoaded); Assert.Equal (new (0, 0, 20, 10), view.Frame); view.Frame = new (1, 3, 10, 5); Assert.Equal (new (1, 3, 10, 5), view.Frame); Assert.Equal (new (0, 0, 10, 5), view._needsDisplayRect); view.OnDrawContent (view.Viewport); view.Frame = new (1, 3, 10, 5); Assert.Equal (new (1, 3, 10, 5), view.Frame); Assert.Equal (new (0, 0, 10, 5), view._needsDisplayRect); top.Dispose (); } [Fact] [AutoInitShutdown] public void Toplevel_Inside_ScrollView_MouseGrabView () { var scrollView = new ScrollView { X = 3, Y = 3, Width = 40, Height = 16 }; scrollView.SetContentSize (new (200, 100)); var win = new Window { X = 3, Y = 3, Width = Dim.Fill (3), Height = Dim.Fill (3), Arrangement = ViewArrangement.Movable }; scrollView.Add (win); Toplevel top = new (); top.Add (scrollView); Application.Begin (top); Assert.Equal (new (0, 0, 80, 25), top.Frame); Assert.Equal (new (3, 3, 40, 16), scrollView.Frame); Assert.Equal (new (0, 0, 200, 100), scrollView.Subviews [0].Frame); Assert.Equal (new (3, 3, 194, 94), win.Frame); Application.OnMouseEvent (new () { Position = new (6, 6), Flags = MouseFlags.Button1Pressed }); Assert.Equal (win.Border, Application.MouseGrabView); Assert.Equal (new (3, 3, 194, 94), win.Frame); Application.OnMouseEvent (new () { Position = new (9, 9), Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition }); Assert.Equal (win.Border, Application.MouseGrabView); top.SetNeedsLayout (); top.LayoutSubviews (); Assert.Equal (new (6, 6, 191, 91), win.Frame); Application.Refresh (); Application.OnMouseEvent ( new () { Position = new (5, 5), Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition }); Assert.Equal (win.Border, Application.MouseGrabView); top.SetNeedsLayout (); top.LayoutSubviews (); Assert.Equal (new (2, 2, 195, 95), win.Frame); Application.Refresh (); Application.OnMouseEvent (new () { Position = new (5, 5), Flags = MouseFlags.Button1Released }); // ScrollView always grab the mouse when the container's subview OnMouseEnter don't want grab the mouse Assert.Equal (scrollView, Application.MouseGrabView); Application.OnMouseEvent (new () { Position = new (4, 4), Flags = MouseFlags.ReportMousePosition }); Assert.Equal (scrollView, Application.MouseGrabView); top.Dispose (); } [Fact] [AutoInitShutdown] public void Window_Viewport_Bigger_Than_Driver_Cols_And_Rows_Allow_Drag_Beyond_Left_Right_And_Bottom () { Toplevel top = new (); var window = new Window { Width = 20, Height = 3, Arrangement = ViewArrangement.Movable }; RunState rsTop = Application.Begin (top); ((FakeDriver)Application.Driver!).SetBufferSize (40, 10); RunState rsWindow = Application.Begin (window); Application.Refresh (); Assert.Equal (new (0, 0, 40, 10), top.Frame); Assert.Equal (new (0, 0, 20, 3), window.Frame); Assert.Null (Application.MouseGrabView); Application.OnMouseEvent (new () { Position = new (0, 0), Flags = MouseFlags.Button1Pressed }); Assert.Equal (window.Border, Application.MouseGrabView); Application.OnMouseEvent ( new () { Position = new (-11, -4), Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition }); Application.Refresh (); Assert.Equal (new (0, 0, 40, 10), top.Frame); Assert.Equal (new (0, 0, 20, 3), window.Frame); // Changes Top size to same size as Dialog more menu and scroll bar ((FakeDriver)Application.Driver!).SetBufferSize (20, 3); Application.OnMouseEvent ( new () { Position = new (-1, -1), Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition }); Application.Refresh (); Assert.Equal (new (0, 0, 20, 3), top.Frame); Assert.Equal (new (0, 0, 20, 3), window.Frame); // Changes Top size smaller than Dialog size ((FakeDriver)Application.Driver!).SetBufferSize (19, 2); Application.OnMouseEvent ( new () { Position = new (-1, -1), Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition }); Application.Refresh (); Assert.Equal (new (0, 0, 19, 2), top.Frame); Assert.Equal (new (-1, 0, 20, 3), window.Frame); Application.OnMouseEvent ( new () { Position = new (18, 1), Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition }); Application.Refresh (); Assert.Equal (new (0, 0, 19, 2), top.Frame); Assert.Equal (new (18, 1, 20, 3), window.Frame); // On a real app we can't go beyond the SuperView bounds Application.OnMouseEvent ( new () { Position = new (19, 2), Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition }); Application.Refresh (); Assert.Equal (new (0, 0, 19, 2), top.Frame); Assert.Equal (new (19, 2, 20, 3), window.Frame); TestHelpers.AssertDriverContentsWithFrameAre (@"", output); Application.End (rsWindow); Application.End (rsTop); top.Dispose (); } [Fact] [AutoInitShutdown] public void Modal_As_Top_Will_Drag_Cleanly () { // Don't use Dialog as a Top, use a Window instead - dialog has complex layout behavior that is not needed here. var window = new Window { Width = 10, Height = 3, Arrangement = ViewArrangement.Movable }; window.Add ( new Label { X = Pos.Center (), Y = Pos.Center (), Width = Dim.Fill (), Height = Dim.Fill (), TextAlignment = Alignment.Center, VerticalTextAlignment = Alignment.Center, Text = "Test" } ); RunState rs = Application.Begin (window); Assert.Null (Application.MouseGrabView); Assert.Equal (new (0, 0, 10, 3), window.Frame); Application.OnMouseEvent (new () { Position = new (0, 0), Flags = MouseFlags.Button1Pressed }); var firstIteration = false; Application.RunIteration (ref rs, ref firstIteration); Assert.Equal (window.Border, Application.MouseGrabView); Assert.Equal (new (0, 0, 10, 3), window.Frame); Application.OnMouseEvent ( new () { Position = new (1, 1), Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition }); firstIteration = false; Application.RunIteration (ref rs, ref firstIteration); Assert.Equal (window.Border, Application.MouseGrabView); Assert.Equal (new (1, 1, 10, 3), window.Frame); Application.End (rs); window.Dispose (); } [Fact] [AutoInitShutdown] public void Begin_With_Window_Sets_Size_Correctly () { Toplevel top = new (); RunState rsTop = Application.Begin (top); ((FakeDriver)Application.Driver!).SetBufferSize (20, 20); var testWindow = new Window { X = 2, Y = 1, Width = 15, Height = 10 }; Assert.Equal (new (2, 1, 15, 10), testWindow.Frame); RunState rsTestWindow = Application.Begin (testWindow); Assert.Equal (new (2, 1, 15, 10), testWindow.Frame); Application.End (rsTestWindow); Application.End (rsTop); top.Dispose (); } // Don't use Dialog as a Top, use a Window instead - dialog has complex layout behavior that is not needed here. [Fact] [AutoInitShutdown] public void Draw_A_Top_Subview_On_A_Window () { Toplevel top = new (); var win = new Window (); top.Add (win); RunState rsTop = Application.Begin (top); ((FakeDriver)Application.Driver!).SetBufferSize (20, 20); Assert.Equal (new (0, 0, 20, 20), win.Frame); var btnPopup = new Button { Text = "Popup" }; var testWindow = new Window { X = 2, Y = 1, Width = 15, Height = 10 }; testWindow.Add (btnPopup); btnPopup.Accept += (s, e) => { Rectangle viewToScreen = btnPopup.ViewportToScreen (top.Frame); var viewAddedToTop = new View { Text = "viewAddedToTop", X = 1, Y = viewToScreen.Y + 1, Width = 18, Height = 16, BorderStyle = LineStyle.Single }; Assert.Equal (testWindow, Application.Current); Application.Current.DrawContentComplete += OnDrawContentComplete; top.Add (viewAddedToTop); void OnDrawContentComplete (object sender, DrawEventArgs e) { Assert.Equal (new (1, 3, 18, 16), viewAddedToTop.Frame); Rectangle savedClip = Application.Driver!.Clip; Application.Driver!.Clip = top.Frame; viewAddedToTop.Draw (); top.Move (2, 15); View.Driver.AddStr ("One"); top.Move (2, 16); View.Driver.AddStr ("Two"); top.Move (2, 17); View.Driver.AddStr ("Three"); Application.Driver!.Clip = savedClip; Application.Current.DrawContentComplete -= OnDrawContentComplete; } }; RunState rsTestWindow = Application.Begin (testWindow); Assert.Equal (new (2, 1, 15, 10), testWindow.Frame); Application.OnMouseEvent (new () { Position = new (5, 2), Flags = MouseFlags.Button1Clicked }); Application.Top.Draw (); var firstIteration = false; Application.RunIteration (ref rsTestWindow, ref firstIteration); TestHelpers.AssertDriverContentsWithFrameAre ( @$" ┌──────────────────┐ │ ┌─────────────┐ │ │ │{CM.Glyphs.LeftBracket} Popup {CM.Glyphs.RightBracket} │ │ │┌────────────────┐│ ││viewAddedToTop ││ ││ ││ ││ ││ ││ ││ ││ ││ ││ ││ ││ ││ ││ ││ ││ ││ ││ ││ ││ ││ ││One ││ ││Two ││ ││Three ││ │└────────────────┘│ └──────────────────┘", output ); Application.End (rsTestWindow); Application.End (rsTop); top.Dispose (); } private void OnDrawContentComplete (object sender, DrawEventArgs e) { throw new NotImplementedException (); } [Fact] [AutoInitShutdown] public void Activating_MenuBar_By_Alt_Key_Does_Not_Throw () { var menu = new MenuBar { Menus = [ new ("Child", new MenuItem [] { new ("_Create Child", "", null) }) ] }; var topChild = new Toplevel (); topChild.Add (menu); var top = new Toplevel (); top.Add (topChild); Application.Begin (top); Exception exception = Record.Exception (() => topChild.NewKeyDownEvent (KeyCode.AltMask)); Assert.Null (exception); top.Dispose (); } [Fact] [TestRespondersDisposed] public void Multi_Thread_Toplevels () { Application.Init (new FakeDriver ()); Toplevel t = new (); var w = new Window (); t.Add (w); int count = 0, count1 = 0, count2 = 0; bool log = false, log1 = false, log2 = false; var fromTopStillKnowFirstIsRunning = false; var fromTopStillKnowSecondIsRunning = false; var fromFirstStillKnowSecondIsRunning = false; Application.AddTimeout ( TimeSpan.FromMilliseconds (100), () => { count++; if (count1 == 5) { log1 = true; } if (count1 == 14 && count2 == 10 && count == 15) { // count2 is already stopped fromTopStillKnowFirstIsRunning = true; } if (count1 == 7 && count2 == 7 && count == 8) { fromTopStillKnowSecondIsRunning = true; } if (count == 30) { Assert.Equal (30, count); Assert.Equal (20, count1); Assert.Equal (10, count2); Assert.True (log); Assert.True (log1); Assert.True (log2); Assert.True (fromTopStillKnowFirstIsRunning); Assert.True (fromTopStillKnowSecondIsRunning); Assert.True (fromFirstStillKnowSecondIsRunning); Application.RequestStop (); return false; } return true; } ); t.Ready += FirstWindow; void FirstWindow (object sender, EventArgs args) { var firstWindow = new Window (); firstWindow.Ready += SecondWindow; Application.AddTimeout ( TimeSpan.FromMilliseconds (100), () => { count1++; if (count2 == 5) { log2 = true; } if (count2 == 4 && count1 == 5 && count == 5) { fromFirstStillKnowSecondIsRunning = true; } if (count1 == 20) { Assert.Equal (20, count1); Application.RequestStop (); return false; } return true; } ); Application.Run (firstWindow); firstWindow.Dispose (); } void SecondWindow (object sender, EventArgs args) { var testWindow = new Window (); Application.AddTimeout ( TimeSpan.FromMilliseconds (100), () => { count2++; if (count < 30) { log = true; } if (count2 == 10) { Assert.Equal (10, count2); Application.RequestStop (); return false; } return true; } ); Application.Run (testWindow); testWindow.Dispose (); } Application.Run (t); t.Dispose (); Application.Shutdown (); } }