mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-26 15:57:56 +01:00
534 lines
24 KiB
C#
534 lines
24 KiB
C#
#nullable enable
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using System.Collections.ObjectModel;
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using Timer = System.Timers.Timer;
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namespace UICatalog.Scenarios;
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[ScenarioMetadata ("Shortcuts", "Illustrates Shortcut class.")]
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[ScenarioCategory ("Controls")]
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public class Shortcuts : Scenario
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{
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public override void Main ()
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{
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Application.Init ();
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Window app = new ();
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app.Loaded += App_Loaded;
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Application.Run (app);
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app.Dispose ();
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Application.Shutdown ();
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}
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// Setting everything up in Loaded handler because we change the
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// QuitKey and it only sticks if changed after init
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private void App_Loaded (object? sender, EventArgs e)
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{
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Application.QuitKey = Key.F4.WithCtrl;
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Application.Top!.Title = GetQuitKeyAndName ();
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ObservableCollection<string> eventSource = new ();
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var eventLog = new ListView
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{
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Id = "eventLog",
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X = Pos.AnchorEnd (),
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Y = 0,
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Height = Dim.Fill (4),
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SchemeName = "TopLevel",
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Source = new ListWrapper<string> (eventSource),
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BorderStyle = LineStyle.Double,
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Title = "E_vents"
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};
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eventLog.Width = Dim.Func (
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_ => Math.Min (
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Application.Top.Viewport.Width / 2,
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eventLog?.MaxLength + eventLog!.GetAdornmentsThickness ().Horizontal ?? 0));
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eventLog.Width = Dim.Func (
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_ => Math.Min (
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eventLog.SuperView!.Viewport.Width / 2,
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eventLog?.MaxLength + eventLog!.GetAdornmentsThickness ().Horizontal ?? 0));
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Application.Top.Add (eventLog);
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var alignKeysShortcut = new Shortcut
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{
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Id = "alignKeysShortcut",
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X = 0,
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Y = 0,
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Width = Dim.Fill ()! - Dim.Width (eventLog),
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HelpText = "Fill to log",
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CommandView = new CheckBox
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{
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Text = "_Align Keys",
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CanFocus = false,
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HighlightStates = MouseState.None
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},
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Key = Key.F5.WithCtrl.WithAlt.WithShift
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};
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// ((CheckBox)vShortcut3.CommandView).CheckedStateChanging += (_, args) =>
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((CheckBox)alignKeysShortcut.CommandView).CheckedStateChanging += (s, e) =>
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{
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if (alignKeysShortcut.CommandView is CheckBox cb)
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{
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eventSource.Add (
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$"{alignKeysShortcut.Id}.CommandView.CheckedStateChanging: {cb.Text}");
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eventLog.MoveDown ();
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var max = 0;
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IEnumerable<View> toAlign =
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Application.Top.SubViews.Where (
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v => v is Shortcut { Width: not DimAbsolute });
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IEnumerable<View> enumerable = toAlign as View [] ?? toAlign.ToArray ();
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if (e.Result == CheckState.Checked)
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{
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max = (from Shortcut? peer in enumerable
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select peer.Key.ToString ().GetColumns ()).Prepend (max)
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.Max ();
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foreach (View view in enumerable)
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{
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var peer = (Shortcut)view;
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max = Math.Max (max, peer.KeyView.Text.GetColumns ());
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}
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}
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foreach (View view in enumerable)
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{
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var peer = (Shortcut)view;
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peer.MinimumKeyTextSize = max;
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}
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}
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};
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Application.Top.Add (alignKeysShortcut);
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var commandFirstShortcut = new Shortcut
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{
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Id = "commandFirstShortcut",
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X = 0,
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Y = Pos.Bottom (alignKeysShortcut),
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Width = Dim.Fill ()! - Dim.Width (eventLog),
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HelpText = "Show _Command first",
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CommandView = new CheckBox
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{
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Text = "Command _First",
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CanFocus = false,
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HighlightStates = MouseState.None
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},
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Key = Key.F.WithCtrl
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};
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((CheckBox)commandFirstShortcut.CommandView).CheckedState =
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commandFirstShortcut.AlignmentModes.HasFlag (AlignmentModes.EndToStart) ? CheckState.UnChecked : CheckState.Checked;
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((CheckBox)commandFirstShortcut.CommandView).CheckedStateChanging += (s, e) =>
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{
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if (commandFirstShortcut.CommandView is CheckBox cb)
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{
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eventSource.Add (
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$"{commandFirstShortcut.Id}.CommandView.CheckedStateChanging: {cb.Text}");
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eventLog.MoveDown ();
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IEnumerable<View> toAlign =
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Application.Top.SubViews.Where (
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v => v is Shortcut { Width: not DimAbsolute });
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IEnumerable<View> enumerable = toAlign as View [] ?? toAlign.ToArray ();
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foreach (View view in enumerable)
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{
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var peer = (Shortcut)view;
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if (e.Result == CheckState.Checked)
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{
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peer.AlignmentModes &= ~AlignmentModes.EndToStart;
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}
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else
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{
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peer.AlignmentModes |= AlignmentModes.EndToStart;
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}
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}
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}
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};
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Application.Top.Add (commandFirstShortcut);
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var canFocusShortcut = new Shortcut
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{
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Id = "canFocusShortcut",
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X = 0,
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Y = Pos.Bottom (commandFirstShortcut),
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Width = Dim.Fill ()! - Dim.Width (eventLog),
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Key = Key.F4,
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HelpText = "Changes all Command.CanFocus",
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CommandView = new CheckBox { Text = "_CanFocus" }
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};
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((CheckBox)canFocusShortcut.CommandView).CheckedStateChanging += (s, e) =>
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{
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if (canFocusShortcut.CommandView is CheckBox cb)
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{
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eventSource.Add ($"Toggle: {cb.Text}");
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eventLog.MoveDown ();
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//cb.CanFocus = e.NewValue == CheckState.Checked;
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foreach (Shortcut peer in Application.Top.SubViews.Where (v => v is Shortcut)!)
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{
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if (peer.CanFocus)
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{
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peer.CommandView.CanFocus = e.Result == CheckState.Checked;
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}
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}
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}
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};
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Application.Top.Add (canFocusShortcut);
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var appShortcut = new Shortcut
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{
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Id = "appShortcut",
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X = 0,
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Y = Pos.Bottom (canFocusShortcut),
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Width = Dim.Fill (Dim.Func (_ => eventLog.Frame.Width)),
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Title = "A_pp Shortcut",
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Key = Key.F1,
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Text = "Width is DimFill",
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BindKeyToApplication = true
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};
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Application.Top.Add (appShortcut);
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var buttonShortcut = new Shortcut
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{
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Id = "buttonShortcut",
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X = 0,
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Y = Pos.Bottom (appShortcut),
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Width = Dim.Fill ()! - Dim.Width (eventLog),
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HelpText = "Accepting pops MB",
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CommandView = new Button
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{
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Title = "_Button",
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ShadowStyle = ShadowStyle.None,
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HighlightStates = MouseState.None
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},
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Key = Key.K
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};
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var button = (Button)buttonShortcut.CommandView;
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buttonShortcut.Accepting += Button_Clicked;
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Application.Top.Add (buttonShortcut);
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var radioGroupShortcut = new Shortcut
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{
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Id = "radioGroupShortcut",
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X = 0,
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Y = Pos.Bottom (buttonShortcut),
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Key = Key.F2,
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Width = Dim.Fill ()! - Dim.Width (eventLog),
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CommandView = new RadioGroup
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{
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Orientation = Orientation.Vertical,
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RadioLabels = ["O_ne", "T_wo", "Th_ree", "Fo_ur"]
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}
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};
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((RadioGroup)radioGroupShortcut.CommandView).SelectedItemChanged += (o, args) =>
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{
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if (o is { })
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{
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eventSource.Add (
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$"SelectedItemChanged: {o.GetType ().Name} - {args.SelectedItem}");
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eventLog.MoveDown ();
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}
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};
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Application.Top.Add (radioGroupShortcut);
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var sliderShortcut = new Shortcut
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{
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Id = "sliderShortcut",
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X = 0,
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Y = Pos.Bottom (radioGroupShortcut),
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Width = Dim.Fill ()! - Dim.Width (eventLog),
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HelpText = "Sliders work!",
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CommandView = new Slider<string>
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{
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Orientation = Orientation.Horizontal,
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AllowEmpty = true
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},
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Key = Key.F5
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};
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((Slider<string>)sliderShortcut.CommandView).Options = [new () { Legend = "A" }, new () { Legend = "B" }, new () { Legend = "C" }];
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((Slider<string>)sliderShortcut.CommandView).SetOption (0);
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((Slider<string>)sliderShortcut.CommandView).OptionsChanged += (o, args) =>
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{
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eventSource.Add (
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$"OptionsChanged: {o?.GetType ().Name} - {string.Join (",", ((Slider<string>)o!)!.GetSetOptions ())}");
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eventLog.MoveDown ();
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};
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Application.Top.Add (sliderShortcut);
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var noCommandShortcut = new Shortcut
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{
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Id = "noCommandShortcut",
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X = 0,
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Y = Pos.Bottom (sliderShortcut),
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Width = Dim.Width (sliderShortcut),
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HelpText = "No Command",
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Key = Key.D0
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};
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Application.Top.Add (noCommandShortcut);
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var noKeyShortcut = new Shortcut
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{
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Id = "noKeyShortcut",
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X = 0,
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Y = Pos.Bottom (noCommandShortcut),
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Width = Dim.Width (noCommandShortcut),
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Title = "No Ke_y",
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HelpText = "Keyless"
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};
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Application.Top.Add (noKeyShortcut);
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var noHelpShortcut = new Shortcut
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{
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Id = "noHelpShortcut",
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X = 0,
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Y = Pos.Bottom (noKeyShortcut),
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Width = Dim.Width (noKeyShortcut),
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Key = Key.F6,
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Title = "Not _very much help",
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HelpText = ""
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};
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Application.Top.Add (noHelpShortcut);
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noHelpShortcut.SetFocus ();
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var framedShortcut = new Shortcut
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{
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Id = "framedShortcut",
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X = 0,
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Y = Pos.Bottom (noHelpShortcut) + 1,
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Title = "Framed",
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Key = Key.K.WithCtrl,
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Text = "Resize frame",
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BorderStyle = LineStyle.Dotted,
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Arrangement = ViewArrangement.RightResizable | ViewArrangement.BottomResizable
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};
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framedShortcut.Orientation = Orientation.Horizontal;
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if (framedShortcut.Padding is { })
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{
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framedShortcut.Padding.Thickness = new (0, 1, 0, 0);
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framedShortcut.Padding.Diagnostics = ViewDiagnosticFlags.Ruler;
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}
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if (framedShortcut.CommandView.Margin is { })
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{
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framedShortcut.CommandView.Margin.SchemeName = framedShortcut.CommandView.SchemeName = "Error";
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framedShortcut.HelpView.Margin!.SchemeName = framedShortcut.HelpView.SchemeName = "Dialog";
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framedShortcut.KeyView.Margin!.SchemeName = framedShortcut.KeyView.SchemeName = "Menu";
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}
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framedShortcut.SchemeName = "TopLevel";
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Application.Top.Add (framedShortcut);
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// Horizontal
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var progressShortcut = new Shortcut
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{
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Id = "progressShortcut",
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X = Pos.Align (Alignment.Start, AlignmentModes.IgnoreFirstOrLast, 1),
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Y = Pos.AnchorEnd () - 1,
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Key = Key.F7,
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HelpText = "Horizontal"
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};
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progressShortcut.CommandView = new ProgressBar
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{
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Text = "Progress",
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Title = "P",
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Fraction = 0.5f,
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Width = 10,
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Height = 1,
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ProgressBarStyle = ProgressBarStyle.Continuous
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};
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progressShortcut.CommandView.Width = 10;
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progressShortcut.CommandView.Height = 1;
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progressShortcut.CommandView.CanFocus = false;
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Timer timer = new (10)
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{
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AutoReset = true
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};
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timer.Elapsed += (o, args) =>
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{
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if (progressShortcut.CommandView is ProgressBar pb)
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{
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if (pb.Fraction == 1.0)
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{
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pb.Fraction = 0;
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}
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pb.Fraction += 0.01f;
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Application.Wakeup ();
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pb.SetNeedsDraw ();
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}
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};
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timer.Start ();
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Application.Top.Add (progressShortcut);
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var textField = new TextField
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{
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Text = "Edit me",
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Width = 10,
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Height = 1
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};
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var textFieldShortcut = new Shortcut
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{
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Id = "textFieldShortcut",
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X = Pos.Align (Alignment.Start, AlignmentModes.IgnoreFirstOrLast, 1),
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Y = Pos.AnchorEnd () - 1,
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Key = Key.F8,
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HelpText = "TextField",
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CanFocus = true,
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CommandView = textField
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};
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textField.CanFocus = true;
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Application.Top.Add (textFieldShortcut);
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var bgColorShortcut = new Shortcut
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{
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Id = "bgColorShortcut",
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X = Pos.Align (Alignment.Start, AlignmentModes.IgnoreFirstOrLast, 1),
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Y = Pos.AnchorEnd (),
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Key = Key.F9,
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HelpText = "Cycles BG Color"
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};
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var bgColor = new ColorPicker16
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{
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BoxHeight = 1,
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BoxWidth = 1
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};
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bgColorShortcut.Selecting += (o, args) =>
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{
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//args.Cancel = true;
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};
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bgColorShortcut.Accepting += (o, args) =>
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{
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if (bgColor.SelectedColor == ColorName16.White)
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{
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bgColor.SelectedColor = ColorName16.Black;
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return;
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}
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bgColor.SelectedColor++;
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args.Handled = true;
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};
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bgColor.ColorChanged += (o, args) =>
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{
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if (o is { })
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{
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eventSource.Add ($"ColorChanged: {o.GetType ().Name} - {args.Result}");
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eventLog.MoveDown ();
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Application.Top.SetScheme (
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new (Application.Top.GetScheme ())
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{
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Normal = new (
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Application.Top!.GetAttributeForRole (VisualRole.Normal).Foreground,
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args.Result,
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Application.Top!.GetAttributeForRole (VisualRole.Normal).Style)
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});
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}
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};
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bgColorShortcut.CommandView = bgColor;
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Application.Top.Add (bgColorShortcut);
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var appQuitShortcut = new Shortcut
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{
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Id = "appQuitShortcut",
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X = Pos.Align (Alignment.Start, AlignmentModes.IgnoreFirstOrLast, 1),
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Y = Pos.AnchorEnd () - 1,
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Key = Key.Esc,
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BindKeyToApplication = true,
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Title = "Quit",
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HelpText = "App Scope"
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};
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appQuitShortcut.Accepting += (o, args) => { Application.RequestStop (); };
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Application.Top.Add (appQuitShortcut);
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foreach (Shortcut shortcut in Application.Top.SubViews.OfType<Shortcut> ())
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{
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shortcut.Selecting += (o, args) =>
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{
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if (args.Handled)
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{
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return;
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}
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eventSource.Add ($"{shortcut!.Id}.Selecting: {shortcut!.CommandView.Text} {shortcut!.CommandView.GetType ().Name}");
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eventLog.MoveDown ();
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};
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shortcut.CommandView.Selecting += (o, args) =>
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{
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if (args.Handled)
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{
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return;
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}
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eventSource.Add (
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$"{shortcut!.Id}.CommandView.Selecting: {shortcut!.CommandView.Text} {shortcut!.CommandView.GetType ().Name}");
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eventLog.MoveDown ();
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args.Handled = true;
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};
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shortcut.Accepting += (o, args) =>
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{
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eventSource.Add ($"{shortcut!.Id}.Accepting: {shortcut!.CommandView.Text} {shortcut!.CommandView.GetType ().Name}");
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eventLog.MoveDown ();
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// We don't want this to exit the Scenario
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args.Handled = true;
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};
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shortcut.CommandView.Accepting += (o, args) =>
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{
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eventSource.Add (
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$"{shortcut!.Id}.CommandView.Accepting: {shortcut!.CommandView.Text} {shortcut!.CommandView.GetType ().Name}");
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eventLog.MoveDown ();
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};
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}
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}
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private void Button_Clicked (object? sender, CommandEventArgs e)
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{
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e.Handled = true;
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var view = sender as View;
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MessageBox.Query ("Hi", $"You clicked {view?.Text}", "_Ok");
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}
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}
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