mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2026-01-01 16:59:35 +01:00
385 lines
14 KiB
C#
385 lines
14 KiB
C#
using System;
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using System.Collections.ObjectModel;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Timers;
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using Terminal.Gui;
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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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X = Pos.AnchorEnd (),
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Width = 40,
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Height = Dim.Fill (4),
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ColorScheme = Colors.ColorSchemes ["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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Application.Top.Add (eventLog);
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var vShortcut1 = new Shortcut
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{
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Orientation = Orientation.Vertical,
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X = 0,
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Width = 35,
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Title = "A_pp Shortcut",
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Key = Key.F1,
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Text = "Width is 35",
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KeyBindingScope = KeyBindingScope.Application,
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};
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Application.Top.Add (vShortcut1);
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var vShortcut2 = new Shortcut
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{
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Orientation = Orientation.Vertical,
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X = 0,
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Y = Pos.Bottom (vShortcut1),
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Width = 35,
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Key = Key.F2,
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Text = "Width is 35",
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KeyBindingScope = KeyBindingScope.HotKey,
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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)vShortcut2.CommandView).SelectedItemChanged += (o, args) =>
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{
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eventSource.Add ($"SelectedItemChanged: {o.GetType ().Name} - {args.SelectedItem}");
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eventLog.MoveDown ();
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};
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vShortcut2.Accept += (o, args) =>
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{
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// Cycle to next item. If at end, set 0
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if (((RadioGroup)vShortcut2.CommandView).SelectedItem < ((RadioGroup)vShortcut2.CommandView).RadioLabels.Length - 1)
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{
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((RadioGroup)vShortcut2.CommandView).SelectedItem++;
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}
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else
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{
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((RadioGroup)vShortcut2.CommandView).SelectedItem = 0;
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}
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};
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Application.Top.Add (vShortcut2);
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var vShortcut3 = new Shortcut
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{
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Orientation = Orientation.Vertical,
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X = 0,
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Y = Pos.Bottom (vShortcut2),
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CommandView = new CheckBox { Text = "_Align" },
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Key = Key.F5.WithCtrl.WithAlt.WithShift,
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HelpText = "Width is Fill",
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Width = Dim.Fill () - Dim.Width (eventLog),
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KeyBindingScope = KeyBindingScope.HotKey,
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};
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((CheckBox)vShortcut3.CommandView).CheckedStateChanging += (s, e) =>
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{
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if (vShortcut3.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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var max = 0;
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var toAlign = Application.Top.Subviews.Where (v => v is Shortcut { Orientation: Orientation.Vertical, Width: not DimAbsolute });
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if (e.NewValue == CheckState.Checked)
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{
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foreach (Shortcut peer in toAlign)
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{
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// DANGER: KeyView is internal so we can't access it. So we assume this is how it works.
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max = Math.Max (max, peer.Key.ToString ().GetColumns ());
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}
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}
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foreach (Shortcut peer in toAlign)
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{
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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 (vShortcut3);
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var vShortcut4 = new Shortcut
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{
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Orientation = Orientation.Vertical,
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X = 0,
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Y = Pos.Bottom (vShortcut3),
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Width = Dim.Width (vShortcut3),
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CommandView = new Button
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{
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Title = "_Button",
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},
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HelpText = "Width is Fill",
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Key = Key.K,
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KeyBindingScope = KeyBindingScope.HotKey,
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};
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Button button = (Button)vShortcut4.CommandView;
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vShortcut4.CommandView.Accept += Button_Clicked;
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Application.Top.Add (vShortcut4);
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var vShortcut5 = new Shortcut
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{
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Orientation = Orientation.Vertical,
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X = 0,
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Y = Pos.Bottom (vShortcut4),
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Width = Dim.Width (vShortcut4),
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Key = Key.F4,
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HelpText = "CommandView.CanFocus",
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KeyBindingScope = KeyBindingScope.HotKey,
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CommandView = new CheckBox { Text = "_CanFocus" },
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};
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((CheckBox)vShortcut5.CommandView).CheckedStateChanging += (s, e) =>
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{
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if (vShortcut5.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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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.NewValue == 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 (vShortcut5);
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var vShortcutSlider = new Shortcut
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{
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Orientation = Orientation.Vertical,
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X = 0,
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Y = Pos.Bottom (vShortcut5),
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HelpText = "Width is Fill",
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Width = Dim.Width (vShortcut5),
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KeyBindingScope = KeyBindingScope.HotKey,
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CommandView = new Slider<string>
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{
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Orientation = Orientation.Vertical,
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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>)vShortcutSlider.CommandView).Options = new () { new () { Legend = "A" }, new () { Legend = "B" }, new () { Legend = "C" } };
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((Slider<string>)vShortcutSlider.CommandView).SetOption (0);
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((Slider<string>)vShortcutSlider.CommandView).OptionsChanged += (o, args) =>
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{
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eventSource.Add ($"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 (vShortcutSlider);
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var vShortcut6 = new Shortcut
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{
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Orientation = Orientation.Vertical,
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X = 0,
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Y = Pos.Bottom (vShortcutSlider),
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Width = Dim.Width (vShortcutSlider),
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Title = "_No Key",
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HelpText = "Keyless",
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};
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Application.Top.Add (vShortcut6);
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var vShortcut7 = new Shortcut
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{
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Orientation = Orientation.Vertical,
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X = 0,
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Y = Pos.Bottom (vShortcut6),
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Width = Dim.Width (vShortcutSlider),
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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 (vShortcut7);
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vShortcut7.SetFocus ();
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// Horizontal
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var hShortcut1 = new Shortcut
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{
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X = Pos.Align (Alignment.Start, AlignmentModes.IgnoreFirstOrLast, 1),
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Y = Pos.Bottom (eventLog) + 1,
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Key = Key.F7,
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HelpText = "Horizontal",
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CanFocus = false
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};
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hShortcut1.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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hShortcut1.CommandView.Width = 10;
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hShortcut1.CommandView.Height = 1;
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hShortcut1.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 (hShortcut1.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.SetNeedsDisplay ();
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}
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};
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timer.Start ();
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Application.Top.Add (hShortcut1);
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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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CanFocus = true
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};
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var hShortcut2 = new Shortcut
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{
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Orientation = Orientation.Horizontal,
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X = Pos.Align (Alignment.Start, AlignmentModes.IgnoreFirstOrLast, 1),
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Y = Pos.Top (hShortcut1),
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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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Application.Top.Add (hShortcut2);
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var hShortcutBG = new Shortcut
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{
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Orientation = Orientation.Horizontal,
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X = Pos.Align (Alignment.Start, AlignmentModes.IgnoreFirstOrLast, 1) - 1,
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Y = Pos.Top (hShortcut2),
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Key = Key.F9,
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HelpText = "BG Color",
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CanFocus = false
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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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CanFocus = false
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};
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bgColor.ColorChanged += (o, args) =>
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{
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Application.Top.ColorScheme = new ColorScheme (Application.Top.ColorScheme)
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{
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Normal = new Attribute (Application.Top.ColorScheme.Normal.Foreground, args.CurrentValue),
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};
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};
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hShortcutBG.CommandView = bgColor;
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Application.Top.Add (hShortcutBG);
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var hShortcut3 = new Shortcut
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{
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Orientation = Orientation.Horizontal,
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X = Pos.Align (Alignment.Start, AlignmentModes.IgnoreFirstOrLast, 1),
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Y = Pos.Top (hShortcut2),
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Key = Key.Esc,
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KeyBindingScope = KeyBindingScope.Application,
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Title = "Quit",
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HelpText = "App Scope",
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CanFocus = false
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};
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hShortcut3.Accept += (o, args) =>
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{
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Application.RequestStop ();
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};
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Application.Top.Add (hShortcut3);
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foreach (View sh in Application.Top.Subviews.Where (v => v is Shortcut)!)
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{
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if (sh is Shortcut shortcut)
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{
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shortcut.Accept += (o, args) =>
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{
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eventSource.Add ($"Accept: {shortcut!.CommandView.Text}");
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eventLog.MoveDown ();
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args.Handled = true;
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};
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shortcut.CommandView.Accept += (o, args) =>
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{
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eventSource.Add ($"CommandView.Accept: {shortcut!.CommandView.Text}");
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eventLog.MoveDown ();
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};
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}
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}
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//((CheckBox)vShortcut5.CommandView).OnToggle ();
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}
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private void Button_Clicked (object sender, HandledEventArgs e)
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{
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//e.Cancel = true;
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MessageBox.Query ("Hi", $"You clicked {sender}");
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}
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}
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