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/*
* Copyright 2019 by its authors. See AUTHORS.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System;
public class Example
{
#if EFL_BETA
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.AlertPopup popup = new Efl.Ui.AlertPopup(win);
Efl.Ui.Textbox popup_text = new Efl.Ui.Textbox(popup);
popup_text.SetText($"Error: {message}");
popup.SetContent(popup_text);
popup.SetVisible(true);
popup.SetButton(Efl.Ui.AlertPopupButton.Positive, "Ok", null);
popup.SetSize(new Eina.Size2D(150, 30));
popup.ButtonClickedEvent += (object sender, Efl.Ui.AlertPopupButtonClickedEventArgs e) => {
popup.SetParent(null);
popup.Invalidate();
};
}
#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() {
int W = 120;
int H = 30;
Eina.Size2D size = new Eina.Size2D(W, H);
Efl.All.Init(Efl.Components.Ui);
Efl.Ui.Win win = new Efl.Ui.Win(null);
win.SetText("C# Unit Converter");
win.SetAutohide(true);
Efl.Ui.BoxFlow box = new Efl.Ui.BoxFlow(win);
box.SetDirection(Efl.Ui.Dir.Horizontal);
Efl.Ui.BoxFlow miles_box = new Efl.Ui.BoxFlow(box);
miles_box.SetDirection(Efl.Ui.Dir.Down);
box.DoPack(miles_box);
Efl.Ui.Textbox miles_label = new Efl.Ui.Textbox(miles_box);
miles_label.SetText("Miles:");
miles_label.SetSize(size);
miles_label.SetVisible(true);
Efl.Ui.Textbox miles_input = new Efl.Ui.Textbox(miles_box);
miles_input.SetText("");
miles_input.SetScrollable(true);
miles_input.SetEditable(true);
miles_input.SetSize(size);
miles_input.SetVisible(true);
Efl.Ui.Button miles_button = new Efl.Ui.Button(miles_box);
miles_button.SetText("To Km");
miles_button.SetSize(size);
miles_button.SetVisible(true);
miles_box.DoPack(miles_label);
miles_box.DoPack(miles_input);
miles_box.DoPack(miles_button);
Efl.Ui.BoxFlow kms_box = new Efl.Ui.BoxFlow(box);
kms_box.SetDirection(Efl.Ui.Dir.Down);
box.DoPack(kms_box);
Efl.Ui.Textbox kms_label = new Efl.Ui.Textbox(kms_box);
kms_label.SetText("Kilometers:");
kms_label.SetSize(size);
kms_label.SetVisible(true);
Efl.Ui.TextboxEditable kms_input = new Efl.Ui.TextboxEditable(kms_box);
kms_input.SetText("");
kms_input.SetScrollable(true);
kms_input.SetSize(size);
kms_input.SetVisible(true);
Efl.Ui.Button kms_button = new Efl.Ui.Button(kms_box);
kms_button.SetText("To Miles");
kms_button.SetSize(size);
kms_button.SetVisible(true);
kms_box.DoPack(kms_label);
kms_box.DoPack(kms_input);
kms_box.DoPack(kms_button);
((Efl.Ui.Clickable)kms_button).ClickedEvent += (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");
}
};
((Efl.Ui.Clickable)miles_button).ClickedEvent += (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);
box.SetPosition(new Eina.Position2D(20, 30));
box.SetVisible(true);
win.SetPosition(new Eina.Position2D(200, 200));
win.SetSize(new Eina.Size2D(400, 120));
win.SetVisible(true);
Efl.Ui.Config.Run();
Efl.All.Shutdown();
}
#else
public static void Main()
{
}
#endif
}
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