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https://github.com/gui-cs/Terminal.Gui.git
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UI catalog (#387)
* key down/up support * line endings? * line endings * KeyDown/Up support * line endings * line endings * Revert "Drop NuGet restore" This reverts commit5c7a0d05f0. * Revert "Revert "Drop NuGet restore"" This reverts commit2dc5fce865. * updated demo * defined styles * Smarter StatusBar bottom tracking. * Prepping for https://github.com/migueldeicaza/gui.cs/issues/376 * Oops. * Fixed StatusBar 'snap to bottom' * line endings * Revert "Fixed StatusBar 'snap to bottom'" This reverts commit9a91c957e2. * started UICatalog project * Initial working POC. * Fix newlines * merge * textalignment demo tweaks * textalignment demo tweaks * Unicode Menu Scenario * not sure why this keeps changing * re-added project to .sln file * re-enabled status bar * moved scenarios to dir * building a dim and pos demo * terminal.sln * progress...barely * fixed exit * progress with some underlying fixes to Label * added readme * fixes build issue * launch * made default colors readable on Windows * major UI Catalog upgrade * added more demos and updated readme * refactored and added more tests * added ref to Issue #437 * added OnKeyUp support to Curses and Net drivers * more tweaks - grab PR #438 first * Added a OpenSelectedItem event to the ListView #429 * updates * moved KeyUpHandler out of special ESC stuff * more tweaks & improvements * testing top window bug * supported OpenSelectedItem * lots of updates * fixed regression, fixed #444 * better button scenario * tweaks * add Ready event to Toplevel * dotfx .gitignroe * ready for ready * updated colors based on feedback; consolodated config code * tweaked readme * readme * Added Editor demonstrating TextView * Added Editor demonstrating TextView * added hexeditor scenario Co-authored-by: Miguel de Icaza <miguel@gnome.org> Co-authored-by: BDisp <bd.bdisp@gmail.com>
This commit is contained in:
Charlie Kindel
BDisp
271
UICatalog/Program.cs
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271
UICatalog/Program.cs
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using NStack;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Globalization;
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using System.Linq;
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using Terminal.Gui;
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namespace UICatalog {
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/// <summary>
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/// Main program for the Terminal.gui UI Catalog app. This app provides a chooser that allows
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/// for a calalog of UI demos, examples, and tests.
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/// </summary>
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class Program {
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private static Toplevel _top;
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private static MenuBar _menu;
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private static int _nameColumnWidth;
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private static Window _leftPane;
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private static List<string> _categories;
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private static ListView _categoryListView;
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private static Window _rightPane;
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private static List<Type> _scenarios;
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private static ListView _scenarioListView;
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private static StatusBar _statusBar;
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private static Scenario _runningScenario = null;
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static void Main (string [] args)
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{
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if (Debugger.IsAttached)
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CultureInfo.DefaultThreadCurrentUICulture = CultureInfo.GetCultureInfo ("en-US");
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_scenarios = Scenario.GetDerivedClassesCollection ().ToList ();
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if (args.Length > 0) {
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var item = _scenarios.FindIndex (t => Scenario.ScenarioMetadata.GetName (t).Equals (args [0], StringComparison.OrdinalIgnoreCase));
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_runningScenario = (Scenario)Activator.CreateInstance (_scenarios [item]);
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Application.Init ();
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_runningScenario.Init (Application.Top);
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_runningScenario.Setup ();
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_runningScenario.Run ();
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_runningScenario = null;
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return;
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}
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Scenario scenario = GetScenarioToRun ();
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while (scenario != null) {
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Application.Init ();
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scenario.Init (Application.Top);
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scenario.Setup ();
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scenario.Run ();
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scenario = GetScenarioToRun ();
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}
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}
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/// <summary>
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/// Create all controls. This gets called once and the controls remain with their state between Sceanrio runs.
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/// </summary>
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private static void Setup ()
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{
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_menu = new MenuBar (new MenuBarItem [] {
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new MenuBarItem ("_File", new MenuItem [] {
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new MenuItem ("_Quit", "", () => Application.RequestStop() )
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}),
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new MenuBarItem ("_About...", "About this app", () => MessageBox.Query (0, 6, "About UI Catalog", "UI Catalog is a comprehensive sample library for Terminal.Gui", "Ok")),
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});
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_leftPane = new Window ("Categories") {
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X = 0,
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Y = 1, // for menu
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Width = 25,
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Height = Dim.Fill (),
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CanFocus = false,
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};
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_categories = Scenario.GetAllCategories ();
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_categoryListView = new ListView (_categories) {
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X = 1,
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Y = 0,
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Width = Dim.Fill (0),
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Height = Dim.Fill (2),
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AllowsMarking = false,
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CanFocus = true,
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};
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_categoryListView.OpenSelectedItem += (o, a) => {
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_top.SetFocus (_rightPane);
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};
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_categoryListView.SelectedChanged += CategoryListView_SelectedChanged;
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_leftPane.Add (_categoryListView);
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_rightPane = new Window ("Scenarios") {
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X = 25,
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Y = 1, // for menu
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Width = Dim.Fill (),
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Height = Dim.Fill (),
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CanFocus = false,
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};
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_nameColumnWidth = Scenario.ScenarioMetadata.GetName (_scenarios.OrderByDescending (t => Scenario.ScenarioMetadata.GetName (t).Length).FirstOrDefault ()).Length;
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_scenarioListView = new ListView () {
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X = 0,
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Y = 0,
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Width = Dim.Fill (0),
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Height = Dim.Fill (0),
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AllowsMarking = false,
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CanFocus = true,
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};
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//_scenarioListView.OnKeyPress += (KeyEvent ke) => {
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// if (_top.MostFocused == _scenarioListView && ke.Key == Key.Enter) {
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// _scenarioListView_OpenSelectedItem (null, null);
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// }
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//};
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_scenarioListView.OpenSelectedItem += _scenarioListView_OpenSelectedItem;
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_rightPane.Add (_scenarioListView);
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_categoryListView.SelectedItem = 0;
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CategoryListView_SelectedChanged ();
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_statusBar = new StatusBar (new StatusItem [] {
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//new StatusItem(Key.F1, "~F1~ Help", () => Help()),
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new StatusItem(Key.ControlQ, "~CTRL-Q~ Quit", () => {
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if (_runningScenario is null){
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// This causes GetScenarioToRun to return null
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_runningScenario = null;
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Application.RequestStop();
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} else {
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_runningScenario.RequestStop();
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}
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}),
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});
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}
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/// <summary>
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/// This shows the selection UI. Each time it is run, it calls Application.Init to reset everything.
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/// </summary>
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/// <returns></returns>
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private static Scenario GetScenarioToRun ()
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{
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Application.Init ();
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if (_menu == null) {
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Setup ();
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}
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_top = Application.Top;
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_top.OnKeyUp += KeyUpHandler;
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_top.Add (_menu);
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_top.Add (_leftPane);
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_top.Add (_rightPane);
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_top.Add (_statusBar);
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// HACK: There is no other way to SetFocus before Application.Run. See Issue #445
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#if false
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if (_runningScenario != null)
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Application.Iteration += Application_Iteration;
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#else
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_top.Ready += (o, a) => {
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if (_runningScenario != null) {
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_top.SetFocus (_rightPane);
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_runningScenario = null;
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}
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};
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#endif
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Application.Run (_top);
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return _runningScenario;
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}
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#if false
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private static void Application_Iteration (object sender, EventArgs e)
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{
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Application.Iteration -= Application_Iteration;
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_top.SetFocus (_rightPane);
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}
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#endif
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private static void _scenarioListView_OpenSelectedItem (object sender, EventArgs e)
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{
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if (_runningScenario is null) {
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var source = _scenarioListView.Source as ScenarioListDataSource;
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_runningScenario = (Scenario)Activator.CreateInstance (source.Scenarios [_scenarioListView.SelectedItem]);
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Application.RequestStop ();
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}
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}
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internal class ScenarioListDataSource : IListDataSource {
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public List<Type> Scenarios { get; set; }
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public bool IsMarked (int item) => false;// Scenarios [item].IsMarked;
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public int Count => Scenarios.Count;
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public ScenarioListDataSource (List<Type> itemList) => Scenarios = itemList;
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public void Render (ListView container, ConsoleDriver driver, bool selected, int item, int col, int line, int width)
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{
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container.Move (col, line);
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// Equivalent to an interpolated string like $"{Scenarios[item].Name, -widtestname}"; if such a thing were possible
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var s = String.Format (String.Format ("{{0,{0}}}", -_nameColumnWidth), Scenario.ScenarioMetadata.GetName (Scenarios [item]));
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RenderUstr (driver, $"{s} {Scenario.ScenarioMetadata.GetDescription (Scenarios [item])}", col, line, width);
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}
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public void SetMark (int item, bool value)
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{
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}
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// A slightly adapted method from: https://github.com/migueldeicaza/gui.cs/blob/fc1faba7452ccbdf49028ac49f0c9f0f42bbae91/Terminal.Gui/Views/ListView.cs#L433-L461
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private void RenderUstr (ConsoleDriver driver, ustring ustr, int col, int line, int width)
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{
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int used = 0;
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int index = 0;
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while (index < ustr.Length) {
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(var rune, var size) = Utf8.DecodeRune (ustr, index, index - ustr.Length);
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var count = Rune.ColumnWidth (rune);
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if (used + count >= width) break;
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driver.AddRune (rune);
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used += count;
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index += size;
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}
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while (used < width) {
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driver.AddRune (' ');
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used++;
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}
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}
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}
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/// <summary>
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/// When Scenarios are running we need to override the behavior of the Menu
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/// and Statusbar to enable Scenarios that use those (or related key input)
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/// to not be impacted. Same as for tabs.
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/// </summary>
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/// <param name="ke"></param>
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private static void KeyUpHandler (KeyEvent ke)
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{
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if (_runningScenario != null) {
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//switch (ke.Key) {
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//case Key.Esc:
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// //_runningScenario.RequestStop ();
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// break;
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//case Key.Enter:
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// break;
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//}
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} else if (ke.Key == Key.Tab || ke.Key == Key.BackTab) {
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// BUGBUG: Work around Issue #434 by implementing our own TAB navigation
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if (_top.MostFocused == _categoryListView)
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_top.SetFocus (_rightPane);
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else
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_top.SetFocus (_leftPane);
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}
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}
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private static void CategoryListView_SelectedChanged ()
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{
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var item = _categories [_categoryListView.SelectedItem];
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List<Type> newlist;
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if (item.Equals ("All")) {
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newlist = _scenarios;
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} else {
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newlist = _scenarios.Where (t => Scenario.ScenarioCategory.GetCategories (t).Contains (item)).ToList ();
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}
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_scenarioListView.Source = new ScenarioListDataSource (newlist);
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_scenarioListView.SelectedItem = 0;
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}
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}
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}
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