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+using System;
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+using System.Collections.Generic;
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+using System.Linq;
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+using System.Text;
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+using Terminal.Gui;
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+
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+namespace UICatalog {
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+ /// <summary>
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+ /// This Scenario demonstrates how to use Termina.gui's Dim and Pos Layout System.
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+ /// [x] - Using Dim.Fill to fill a window
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+ /// [x] - Using Dim.Fill and Dim.Pos to automatically align controls based on an initial control
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+ /// [ ] - ...
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+ /// </summary>
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+ [ScenarioMetadata (Name: "DimAndPosLayout", Description: "Demonstrates using the Dim and Pos Layout System")]
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+ [ScenarioCategory ("Layout")]
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+ class DimAndPosLayout : Scenario {
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+
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+ public override void Setup ()
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+ {
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+ Top.LayoutStyle = LayoutStyle.Computed;
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+ // Demonstrate using Dim to create a ruler that always measures the top-level window's width
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+ // BUGBUG: Dim.Fill returns too big a value sometimes.
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+ //const string rule = "|123456789";
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+ //var labelRuler = new Label ("ruler") {
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+ // X = 0,
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+ // Y = 0,
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+ // Width = Dim.Fill (1), // BUGBUG: I don't think this should be needed; DimFill() should respect container's frame. X does.
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+ // ColorScheme = Colors.Error
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+ //};
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+
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+ //Application.OnResized += () => {
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+ // labelRuler.Text = rule.Repeat ((int)Math.Ceiling((double)(labelRuler.Bounds.Width) / (double)rule.Length))[0..(labelRuler.Bounds.Width)];
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+ //};
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+
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+ //win.Add (labelRuler);
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+
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+ // Demonstrate using Dim to create a window that fills the parent with a margin
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+ int margin = 20;
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+ var subWin = new Window ($"Sub Windoww with {margin} character margin") {
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+ X = margin,
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+ Y = 2,
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+ Width = Dim.Fill (margin),
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+ Height = Dim.Fill ()
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+ };
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+ Win.Add (subWin);
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+
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+ int i = 1;
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+ string txt = "Hello world, how are you doing today";
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+ var labelList = new List<Label> ();
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+ labelList.Add (new Label ($"Label:"));
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+ labelList.Add (new Label ($"{i++}-{txt}") { TextAlignment = Terminal.Gui.TextAlignment.Left, Width = Dim.Fill (1), X = 0, Y = Pos.Bottom (labelList.LastOrDefault ()) + 1, ColorScheme = Colors.Dialog });
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+ labelList.Add (new Label ($"{i++}-{txt}") { TextAlignment = Terminal.Gui.TextAlignment.Right, Width = Dim.Fill (1), X = 0, Y = Pos.Bottom (labelList.LastOrDefault ()) + 1, ColorScheme = Colors.Dialog });
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+ labelList.Add (new Label ($"{i++}-{txt}") { TextAlignment = Terminal.Gui.TextAlignment.Centered, Width = Dim.Fill (1), X = 0, Y = Pos.Bottom (labelList.LastOrDefault ()) + 1, ColorScheme = Colors.Dialog });
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+ labelList.Add (new Label ($"{i++}-{txt}") { TextAlignment = Terminal.Gui.TextAlignment.Justified, Width = Dim.Fill (1), X = 0, Y = Pos.Bottom (labelList.LastOrDefault ()) + 1, ColorScheme = Colors.Dialog });
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+
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+ subWin.Add (labelList.ToArray ());
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+ //subWin.LayoutSubviews ();
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+ }
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+
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+ public override void Run ()
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+ {
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+ base.Run ();
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+ }
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+ }
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+
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+ public static class StringExtensions {
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+ public static string Repeat (this string instr, int n)
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+ {
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+ if (n <= 0) {
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+ return null;
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+ }
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+
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+ if (string.IsNullOrEmpty (instr) || n == 1) {
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+ return instr;
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+ }
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+
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+ return new StringBuilder (instr.Length * n)
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+ .Insert (0, instr, n)
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+ .ToString ();
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+ }
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+ }
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+}
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Charlie Kindel