greenshot/Greenshot/Forms/LanguageDialog.cs

93 lines
3.2 KiB
C#

/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2021 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Threading;
using System.Windows.Forms;
using GreenshotPlugin.Core;
using log4net;
namespace Greenshot.Forms {
/// <summary>
/// Description of LanguageDialog.
/// </summary>
public partial class LanguageDialog : Form {
private static readonly ILog LOG = LogManager.GetLogger(typeof(LanguageDialog));
private static LanguageDialog _uniqueInstance;
private bool _properOkPressed;
private LanguageDialog() {
//
// The InitializeComponent() call is required for Windows Forms designer support.
//
InitializeComponent();
Icon = GreenshotResources.GetGreenshotIcon();
Load += FormLoad;
FormClosing += PreventFormClose;
}
private void PreventFormClose(object sender, FormClosingEventArgs e) {
if(!_properOkPressed) {
e.Cancel = true;
}
}
public string SelectedLanguage => comboBoxLanguage.SelectedValue.ToString();
protected void FormLoad(object sender, EventArgs e) {
// Initialize the Language ComboBox
comboBoxLanguage.DisplayMember = "Description";
comboBoxLanguage.ValueMember = "Ietf";
// Set datasource last to prevent problems
// See: http://www.codeproject.com/KB/database/scomlistcontrolbinding.aspx?fid=111644
comboBoxLanguage.DataSource = Language.SupportedLanguages;
if (Language.CurrentLanguage != null) {
LOG.DebugFormat("Selecting {0}", Language.CurrentLanguage);
comboBoxLanguage.SelectedValue = Language.CurrentLanguage;
} else {
comboBoxLanguage.SelectedValue = Thread.CurrentThread.CurrentUICulture.Name;
}
// Close again when there is only one language, this shows the form briefly!
// But the use-case is not so interesting, only happens once, to invest a lot of time here.
if (Language.SupportedLanguages.Count == 1) {
comboBoxLanguage.SelectedValue = Language.SupportedLanguages[0].Ietf;
Language.CurrentLanguage = SelectedLanguage;
_properOkPressed = true;
Close();
}
}
private void BtnOKClick(object sender, EventArgs e) {
_properOkPressed = true;
// Fix for Bug #3431100
Language.CurrentLanguage = SelectedLanguage;
Close();
}
public static LanguageDialog GetInstance()
{
return _uniqueInstance ??= new LanguageDialog();
}
}
}