150 lines
4.6 KiB
C#
150 lines
4.6 KiB
C#
using System;
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public class Example
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{
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private static double KMS_PER_MILE = 1.609344;
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private static double KmsToMiles(double kms)
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{
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return kms / KMS_PER_MILE;
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}
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private static double MilesToKms(double miles)
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{
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return miles * KMS_PER_MILE;
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}
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private static void ShowErrorPopup(Efl.Ui.Win win, string message)
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{
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Efl.Ui.Popup_Alert popup = new Efl.Ui.Popup_Alert(win);
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Efl.Ui.Text popup_text = new Efl.Ui.Text(popup);
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popup_text.Text = $"Error: {message}";
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popup.SetContent(popup_text);
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popup.SetVisible(true);
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popup.SetButton(Efl.Ui.Popup_Alert_Button.Positive, "Ok");
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popup.Size = new Eina.Size2D(150, 30);
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popup.ButtonClickedEvent += (object sender, Efl.Ui.Popup_Alert.ButtonClickedEventArgs e) => {
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popup.Del()
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};
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}
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#if WIN32 // Passed to the C# compiler with -define:WIN32
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// Mono on Windows by default uses multi-thread apartments for COM stuff while
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// OLE - used by ecore win32 DnD requires single threading for COM.
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[STAThreadAttribute()]
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#endif
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public static void Main() {
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int W = 120;
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int H = 30;
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Eina.Size2D size = new Eina.Size2D(W, H);
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Efl.All.Init(Efl.Components.Ui);
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Efl.Ui.Win win = new Efl.Ui.Win(null);
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win.Text = "C# Unit Converter";
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win.Autohide = true;
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Efl.Ui.Box_Flow box = new Efl.Ui.Box_Flow(win);
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box.Orientation = Efl.Ui.LayoutOrientation.Horizontal;
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Efl.Ui.Box_Flow miles_box = new Efl.Ui.Box_Flow(box);
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miles_box.Orientation = Efl.Ui.LayoutOrientation.Down;
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box.DoPack(miles_box);
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Efl.Ui.Text miles_label = new Efl.Ui.Text(miles_box);
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miles_label.Text = "Miles:";
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miles_label.Size = size;
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miles_label.SetVisible(true);
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Efl.Ui.Text_Editable miles_input = new Efl.Ui.Text_Editable(miles_box);
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miles_input.Text = "";
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miles_input.SetScrollable(true);
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miles_input.Size = size;
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miles_input.SetVisible(true);
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Efl.Ui.Button miles_button = new Efl.Ui.Button(miles_box);
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miles_button.Text = "To Km";
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miles_button.Size = size;
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miles_button.SetVisible(true);
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miles_box.DoPack(miles_label);
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miles_box.DoPack(miles_input);
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miles_box.DoPack(miles_button);
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Efl.Ui.Box_Flow kms_box = new Efl.Ui.Box_Flow(box);
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kms_box.Orientation = Efl.Ui.LayoutOrientation.Down;
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box.DoPack(kms_box);
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Efl.Ui.Text kms_label = new Efl.Ui.Text(kms_box);
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kms_label.Text = "Kilometers:";
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kms_label.Size = size;
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kms_label.SetVisible(true);
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Efl.Ui.Text_Editable kms_input = new Efl.Ui.Text_Editable(kms_box);
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kms_input.Text = "";
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kms_input.SetScrollable(true);
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kms_input.Size = size;
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kms_input.SetVisible(true);
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Efl.Ui.Button kms_button = new Efl.Ui.Button(kms_box);
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kms_button.Text = "To Miles";
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kms_button.Size = size;
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kms_button.SetVisible(true);
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kms_box.DoPack(kms_label);
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kms_box.DoPack(kms_input);
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kms_box.DoPack(kms_button);
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kms_button.ClickedEvent += (object sender, EventArgs e) => {
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try
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{
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string text = kms_input.Text;
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Console.WriteLine("Text is [{0}]", text);
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double val = double.Parse(text);
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miles_input.Text = String.Format("{0:f3}", KmsToMiles(val));
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kms_input.SetFocus(true);
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}
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catch (FormatException ex)
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{
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Console.WriteLine("Exception {0} caught", ex);
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ShowErrorPopup(win, "Invalid number");
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}
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};
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miles_button.ClickedEvent += (object sender, EventArgs e) => {
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try
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{
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string text = miles_input.Text;
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Console.WriteLine("Text is [{0}]", text);
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double val = double.Parse(text);
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kms_input.Text = String.Format("{0:f3}", MilesToKms(val));
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miles_input.SetFocus(true);
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}
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catch (FormatException ex)
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{
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Console.WriteLine("Exception {0} cautght", ex);
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ShowErrorPopup(win, "Invalid number");
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}
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};
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kms_box.SetVisible(true);
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miles_box.SetVisible(true);
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box.SetPosition(new Eina.Position2D(20, 30));
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box.SetVisible(true);
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win.SetPosition(new Eina.Position2D(200, 200));
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win.Size = new Eina.Size2D(400, 120);
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win.SetVisible(true);
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Efl.Ui.Config.Run();
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Efl.All.Shutdown();
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}
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}
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