ui_mono: Add hello-gui and focus tutorials for C#

tutorial/csharp/focus/meson.build

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+project(
+  'efl-example-focus', 'cs',
+  version : '0.0.1',
+  meson_version : '>= 0.38.0')
+
+efl_mono = dependency('efl-mono', version : '>=1.20.99')
+efl_mono_libs = efl_mono.get_pkgconfig_variable('mono_libs')
+
+subdir('src')

tutorial/csharp/focus/src/focus_main.cs

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+using System;
+
+public class Example
+{
+    public static void QuitCb(object sender, EventArgs e)
+    {
+        Console.WriteLine("Clicked Quit");
+        efl.ui.Config.Exit();
+    }
+
+    public static void AboutCb(object sender, EventArgs e)
+    {
+        Console.WriteLine("Clicked About");
+    }
+
+    public static void FocusChangedCb(object sender, EventArgs e)
+    {
+        Console.WriteLine($"Focus for object {((efl.Text)sender).GetText()} changed to {((efl.ui.Widget)sender).GetFocus()}");
+    }
+
+    public static void Main()
+    {
+        efl.All.Init(efl.Components.Ui);
+
+        efl.ui.Win win = new efl.ui.WinConcrete(null, (efl.ui.Win ewin) => {
+            ewin.SetWinType(efl.ui.win.Type.Basic);
+            ewin.SetText("Hello World");
+            ewin.SetAutohide(true);
+        });
+        win.HIDE += QuitCb;
+
+        efl.ui.Box box = new efl.ui.BoxConcrete(win);
+        eina.Size2D sz;
+        sz.W = 360;
+        sz.H = 240;
+        box.SetHintMin(sz);
+        win.SetContent(box);
+
+        efl.ui.Text text = new efl.ui.TextConcrete(box);
+        text.SetText("Label");
+        text.SetEditable(false);
+        text.FOCUS_CHANGED += FocusChangedCb;
+        box.Pack(text);
+
+        efl.ui.Box hbox = new efl.ui.BoxConcrete(box);
+        hbox.SetDirection(efl.ui.Dir.Horizontal);
+        hbox.SetHintWeight(1.0, 0.1);
+        box.Pack(hbox);
+
+        efl.ui.Button about = new efl.ui.ButtonConcrete(hbox);
+        about.SetText("About");
+        about.FOCUS_CHANGED += FocusChangedCb;
+        about.CLICKED += AboutCb;
+        hbox.Pack(about);
+
+        efl.ui.Button quit = new efl.ui.ButtonConcrete(hbox);
+        quit.SetText("Quit");
+        quit.FOCUS_CHANGED += FocusChangedCb;
+        quit.CLICKED += QuitCb;
+        hbox.Pack(quit);
+
+        // TODO: Create public references to classes
+        // efl_ui_focus_util_focus(EFL_UI_FOCUS_UTIL_CLASS, about);
+
+        efl.ui.Config.Run();
+
+        efl.All.Shutdown();
+    }
+}
+

tutorial/csharp/focus/src/meson.build

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+src = files([
+  'focus_main.cs',
+])
+
+deps = [efl_mono]
+
+executable('efl_example_focus', src,
+  dependencies : deps,
+  cs_args : efl_mono_libs,
+  install : true
+)

tutorial/csharp/hello-gui/meson.build

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+project(
+  'efl-example-gui', 'cs',
+  version : '0.0.1',
+  meson_version : '>= 0.38.0')
+
+efl_mono = dependency('efl-mono', version : '>=1.20.99')
+efl_mono_libs = efl_mono.get_pkgconfig_variable('mono_libs')
+
+subdir('src')
+

tutorial/csharp/hello-gui/src/gui_main.cs

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+using System;
+
+public class Example
+{
+    public static void QuitCb(object sender, EventArgs e)
+    {
+        efl.ui.Config.Exit();
+    }
+
+    public static void Main()
+    {
+        efl.All.Init(efl.Components.Ui);
+
+        efl.ui.Win win = new efl.ui.WinConcrete(null, (efl.ui.Win ewin) => {
+            ewin.SetWinType(efl.ui.win.Type.Basic);
+            ewin.SetText("Hello World");
+            ewin.SetAutohide(true);
+        });
+
+        // when the user clicks "close" on a window there is a request to hide
+        win.HIDE += QuitCb;
+
+        efl.ui.Box box = new efl.ui.BoxConcrete(win);
+        eina.Size2D sz;
+        sz.W = 360;
+        sz.H = 240;
+        box.SetHintMin(sz);
+
+        win.SetContent(box);
+
+        efl.ui.Text text = new efl.ui.TextConcrete(box);
+        // text.SetMarkup("Hello World.<br>This is an <b>Efl.Ui</b> application!"); // TODO: Correct .eo inheritance
+        text.SetText("Hello World. This is an Efl.Ui application!");
+        text.SetSelectionAllowed(false);
+        text.SetHintWeight(1.0, 0.9);
+        text.SetHintAlign(0.5, 0.5);
+
+        box.Pack(text);
+
+        efl.ui.Button button = new efl.ui.ButtonConcrete(box);
+        button.SetText("Quit");
+        button.SetHintWeight(1.0, 0.1);
+
+        button.CLICKED += QuitCb;
+
+        box.Pack(button);
+
+        efl.ui.Config.Run();
+
+        efl.All.Shutdown();
+    }
+}
+

tutorial/csharp/hello-gui/src/meson.build

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+src = files([
+  'gui_main.cs',
+])
+
+deps = [efl_mono]
+
+executable('efl_example_gui', src,
+  dependencies : deps,
+  cs_args : efl_mono_libs,
+  install : true
+)
+