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using System;
public class Example
{
private static double KMS_PER_MILE = 1.609344;
private static double KmsToMiles(double kms)
{
return kms / KMS_PER_MILE;
}
private static double MilesToKms(double miles)
{
return miles * KMS_PER_MILE;
}
private static void ShowErrorPopup(efl.ui.Win win, string message)
{
efl.ui.Popup_Alert popup = new efl.ui.Popup_AlertConcrete(win);
efl.ui.Text popup_text = new efl.ui.TextConcrete(popup);
popup_text.SetText($"Error: {message}");
popup.SetContent(popup_text);
popup.SetVisible(true);
popup.SetButton(efl.ui.popup_alert.Button.Positive, "Ok");
popup.SetSize(150, 30);
popup.CLICKED += (object sender, efl.ui.CLICKED_Args e) => {
popup.SetParent(null);
popup.Del();
};
}
#if WIN32 // Passed to the C# compiler with -define:WIN32
// Mono on Windows by default uses multi-thread apartments for COM stuff while
// OLE - used by ecore win32 DnD requires single threading for COM.
[STAThreadAttribute()]
#endif
public static void Main() {
efl.All.Init(efl.Components.Ui);
efl.ui.Win win = new efl.ui.WinConcrete(null);
win.SetText("C# Unit Converter");
win.SetAutohide(true);
efl.ui.Box_Flow box = new efl.ui.Box_FlowConcrete(win);
box.SetDirection(efl.ui.Dir.Horizontal);
efl.ui.Box_Flow miles_box = new efl.ui.Box_FlowConcrete(box);
miles_box.SetDirection(efl.ui.Dir.Down);
box.Pack(miles_box);
efl.ui.Text miles_label = new efl.ui.TextConcrete(miles_box);
miles_label.SetText("Miles:");
miles_label.SetSize(120, 30);
miles_label.SetVisible(true);
efl.ui.text.Editable miles_input = new efl.ui.text.EditableConcrete(miles_box);
miles_input.SetText("");
miles_input.SetScrollable(true);
miles_input.SetSize(120, 30);
miles_input.SetVisible(true);
efl.ui.Button miles_button = new efl.ui.ButtonConcrete(miles_box);
miles_button.SetText("To Km");
miles_button.SetSize(120, 30);
miles_button.SetVisible(true);
miles_box.Pack(miles_label);
miles_box.Pack(miles_input);
miles_box.Pack(miles_button);
efl.ui.Box_Flow kms_box = new efl.ui.Box_FlowConcrete(box);
kms_box.SetDirection(efl.ui.Dir.Down);
box.Pack(kms_box);
efl.ui.Text kms_label = new efl.ui.TextConcrete(kms_box);
kms_label.SetText("Kilometers:");
kms_label.SetSize(120, 30);
kms_label.SetVisible(true);
efl.ui.text.Editable kms_input = new efl.ui.text.EditableConcrete(kms_box);
kms_input.SetText("");
kms_input.SetScrollable(true);
kms_input.SetSize(120, 30);
kms_input.SetVisible(true);
efl.ui.Button kms_button = new efl.ui.ButtonConcrete(kms_box);
kms_button.SetText("To Miles");
kms_button.SetSize(120, 30);
kms_button.SetVisible(true);
kms_box.Pack(kms_label);
kms_box.Pack(kms_input);
kms_box.Pack(kms_button);
kms_button.CLICKED += (object sender, EventArgs e) => {
try
{
string text = kms_input.GetText();
Console.WriteLine("Text is [{0}]", text);
double val = double.Parse(text);
miles_input.SetText(String.Format("{0:f3}", KmsToMiles(val)));
kms_input.SetFocus(true);
}
catch (FormatException ex)
{
Console.WriteLine("Exception {0} caught", ex);
ShowErrorPopup(win, "Invalid number");
}
};
miles_button.CLICKED += (object sender, EventArgs e) => {
try
{
string text = miles_input.GetText();
Console.WriteLine("Text is [{0}]", text);
double val = double.Parse(text);
kms_input.SetText(String.Format("{0:f3}", MilesToKms(val)));
miles_input.SetFocus(true);
}
catch (FormatException ex)
{
Console.WriteLine("Exception {0} cautght", ex);
ShowErrorPopup(win, "Invalid number");
}
};
kms_box.SetVisible(true);
miles_box.SetVisible(true);
eina.Position2D pos;
pos.X = 20;
pos.Y = 30;
box.SetPosition(pos);
box.SetVisible(true);
pos.X = 200;
pos.Y = 200;
win.SetPosition(pos);
win.SetSize(400,120);
win.SetVisible(true);
efl.ui.Config.Run();
efl.All.Shutdown();
}
}
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