Software/Visual_Studio/Tango.Visuals/Components/XAxisDoubles.xaml


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using MahApps.Metro.Controls;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace Tango.FSE.LogViewer.UI
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : MetroWindow
    {
        private Point _startPoint;
        private bool _isMouseDown;

        public MainWindow()
        {
            InitializeComponent();

            btnMinimize.Click += (_, __) => WindowState = WindowState.Minimized;
            btnMaximize.Click += (_, __) => WindowState = WindowState == WindowState.Maximized ? WindowState = WindowState.Normal : WindowState = WindowState.Maximized;
            btnClose.Click += (_, __) => Close();
            gridTitle.MouseLeftButtonDown += (x, e) =>
            {
                Mouse.Capture(gridTitle);

                _startPoint = e.GetPosition(this);

                if (e.ClickCount > 1)
                {
                    WindowState = WindowState == WindowState.Normal ? WindowState.Maximized : WindowState.Normal;
                    return;
                }

                _isMouseDown = true;
            };
            gridTitle.MouseLeftButtonUp += (x, e) =>
            {
                _isMouseDown = false;
                gridTitle.ReleaseMouseCapture();
            };
            gridTitle.MouseMove += GridTitle_MouseMove;
            StateChanged += MainWindow_StateChanged;
        }

        private void MainWindow_StateChanged(object sender, EventArgs e)
        {
            if (WindowState == WindowState.Maximized)
            {
                btnMaximize.Icon = MaterialDesignThemes.Wpf.PackIconKind.WindowRestore;
                //_settings.WindowMaximizedOnStartup = true;
                //_settings.Save();
            }
            else if (WindowState == WindowState.Normal)
            {
                btnMaximize.Icon = MaterialDesignThemes.Wpf.PackIconKind.WindowMaximize;
                //_settings.WindowMaximizedOnStartup = false;
                //_settings.Save();
            }
        }

        private void GridTitle_MouseMove(object sender, MouseEventArgs e)
        {
            if (_isMouseDown)
            {
                if (WindowState == WindowState.Maximized)
                {
                    var previousWidth = Width;
                    WindowState = WindowState.Normal;
                    var currentWidth = Width;
                    var locationPrecentageBefore = _startPoint.X / previousWidth;
                    var newLocationX = currentWidth * locationPrecentageBefore;
                    _startPoint = new Point(newLocationX, _startPoint.Y);
                }
                else
                {
                    Point pointToWindow = Mouse.GetPosition(this);
                    Point pointToScreen = PointToScreen(pointToWindow);

                    Left = pointToScreen.X - _startPoint.X;
                    Top = pointToScreen.Y - _startPoint.Y;
                }
            }
        }
    }
}