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6502bench/SourceGen/Tools/WpfGui/ShowText.xaml.cs
2019-07-20 13:28:37 -07:00

73 lines
2.4 KiB
C#

/*
* Copyright 2019 faddenSoft
*
* 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;
using System.ComponentModel;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Windows;
using System.Windows.Input;
namespace SourceGen.Tools.WpfGui {
/// <summary>
/// Simple text display dialog. Can be modal or modeless.
/// </summary>
public partial class ShowText : Window, INotifyPropertyChanged {
/// <summary>
/// Text to display in the window. May be updated at any time. Bound to dialog property.
/// </summary>
public string DisplayText {
get { return mDisplayText; }
set {
mDisplayText = value;
OnPropertyChanged();
}
}
private string mDisplayText;
// INotifyPropertyChanged implementation
public event PropertyChangedEventHandler PropertyChanged;
private void OnPropertyChanged([CallerMemberName] string propertyName = "") {
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
/// <summary>
/// Constructor. Pass in an owner for modal dialogs, or null for modeless.
/// </summary>
public ShowText(Window owner, string initialText) {
InitializeComponent();
Owner = owner;
DataContext = this;
if (owner == null) {
// Modeless dialogs can get lost, so show them in the task bar. There's no
// "is modal" property in WPF, though we can fake it with a hack:
// https://stackoverflow.com/a/1266900/294248
ShowInTaskbar = true;
}
DisplayText = initialText;
}
// Catch ESC key.
private void Window_KeyEventHandler(object sender, KeyEventArgs e) {
if (e.Key == Key.Escape) {
Close();
}
}
}
}