forked from enlightenment/efl
171 lines
5.3 KiB
C#
171 lines
5.3 KiB
C#
/*
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* Copyright 2019 by its authors. See AUTHORS.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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public class Example
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{
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#if EFL_BETA
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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.AlertPopup popup = new Efl.Ui.AlertPopup(win);
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Efl.Ui.Text popup_text = new Efl.Ui.Text(popup);
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popup_text.SetText($"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.AlertPopupButton.Positive, "Ok", null);
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popup.SetSize(new Eina.Size2D(150, 30));
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popup.ButtonClickedEvent += (object sender, Efl.Ui.AlertPopupButtonClickedEventArgs e) => {
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popup.SetParent(null);
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popup.Invalidate();
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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.SetText("C# Unit Converter");
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win.SetAutohide(true);
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Efl.Ui.BoxFlow box = new Efl.Ui.BoxFlow(win);
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box.SetDirection(Efl.Ui.Dir.Horizontal);
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Efl.Ui.BoxFlow miles_box = new Efl.Ui.BoxFlow(box);
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miles_box.SetDirection(Efl.Ui.Dir.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.SetText("Miles:");
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miles_label.SetSize(size);
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miles_label.SetVisible(true);
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Efl.Ui.TextEditable miles_input = new Efl.Ui.TextEditable(miles_box);
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miles_input.SetText("");
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miles_input.SetScrollable(true);
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miles_input.SetSize(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.SetText("To Km");
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miles_button.SetSize(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.BoxFlow kms_box = new Efl.Ui.BoxFlow(box);
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kms_box.SetDirection(Efl.Ui.Dir.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.SetText("Kilometers:");
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kms_label.SetSize(size);
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kms_label.SetVisible(true);
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Efl.Ui.TextEditable kms_input = new Efl.Ui.TextEditable(kms_box);
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kms_input.SetText("");
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kms_input.SetScrollable(true);
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kms_input.SetSize(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.SetText("To Miles");
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kms_button.SetSize(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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((Efl.Ui.Clickable)kms_button).ClickedEvent += (object sender, EventArgs e) => {
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try
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{
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string text = kms_input.GetText();
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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.SetText(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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((Efl.Ui.Clickable)miles_button).ClickedEvent += (object sender, EventArgs e) => {
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try
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{
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string text = miles_input.GetText();
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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.SetText(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.SetSize(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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#else
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public static void Main()
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{
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}
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#endif
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}
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