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path: root/Software/Visual_Studio/Tango.Touch/Controls/TouchSlider.cs
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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;
using Tango.Core.EventArguments;

namespace Tango.Touch.Controls
{
    public class TouchSlider : Slider
    {
        static TouchSlider()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(TouchSlider), new FrameworkPropertyMetadata(typeof(TouchSlider)));
        }

        public bool IsMouseOrTouchDown
        {
            get { return (bool)GetValue(IsMouseOrTouchDownProperty); }
            set { SetValue(IsMouseOrTouchDownProperty, value); }
        }
        public static readonly DependencyProperty IsMouseOrTouchDownProperty =
            DependencyProperty.Register("IsMouseOrTouchDown", typeof(bool), typeof(TouchSlider), new PropertyMetadata(false));

        public ControlTemplate ThumbTemplate
        {
            get { return (ControlTemplate)GetValue(ThumbTemplateProperty); }
            set { SetValue(ThumbTemplateProperty, value); }
        }
        public static readonly DependencyProperty ThumbTemplateProperty =
            DependencyProperty.Register("ThumbTemplate", typeof(ControlTemplate), typeof(TouchSlider), new PropertyMetadata(null));

        public TouchSlider()
        {
            this.RegisterForPreviewMouseOrTouchDown(OnMouseDown);
            this.RegisterForPreviewMouseOrTouchUp(OnMouseUp);
        }

        private void OnMouseUp(object sender, MouseOrTouchEventArgs e)
        {
            IsMouseOrTouchDown = false;
        }

        private void OnMouseDown(object sender, MouseOrTouchEventArgs e)
        {
            IsMouseOrTouchDown = true;
        }
    }
}
an>(object sender, MouseEventArgs e) { StartHovering(e); // do not set e.Handled - allow others to also handle MouseEnter } void StartHovering(MouseEventArgs e) { StopHovering(); mouseHoverStartPoint = e.GetPosition(this.target); mouseHoverLastEventArgs = e; mouseHoverTimer = new DispatcherTimer(SystemParameters.MouseHoverTime, DispatcherPriority.Background, OnMouseHoverTimerElapsed, this.target.Dispatcher); mouseHoverTimer.Start(); } void MouseHoverLogicMouseLeave(object sender, MouseEventArgs e) { StopHovering(); // do not set e.Handled - allow others to also handle MouseLeave } void StopHovering() { if (mouseHoverTimer != null) { mouseHoverTimer.Stop(); mouseHoverTimer = null; } if (mouseHovering) { mouseHovering = false; OnMouseHoverStopped(mouseHoverLastEventArgs); } } void OnMouseHoverTimerElapsed(object sender, EventArgs e) { mouseHoverTimer.Stop(); mouseHoverTimer = null; mouseHovering = true; OnMouseHover(mouseHoverLastEventArgs); } /// <summary> /// Occurs when the mouse starts hovering over a certain location. /// </summary> public event EventHandler<MouseEventArgs> MouseHover; /// <summary> /// Raises the <see cref="MouseHover"/> event. /// </summary> protected virtual void OnMouseHover(MouseEventArgs e) { if (MouseHover != null) { MouseHover(this, e); } } /// <summary> /// Occurs when the mouse stops hovering over a certain location. /// </summary> public event EventHandler<MouseEventArgs> MouseHoverStopped; /// <summary> /// Raises the <see cref="MouseHoverStopped"/> event. /// </summary> protected virtual void OnMouseHoverStopped(MouseEventArgs e) { if (MouseHoverStopped != null) { MouseHoverStopped(this, e); } } bool disposed; /// <summary> /// Removes the MouseHover support from the target UIElement. /// </summary> public void Dispose() { if (!disposed) { this.target.MouseLeave -= MouseHoverLogicMouseLeave; this.target.MouseMove -= MouseHoverLogicMouseMove; this.target.MouseEnter -= MouseHoverLogicMouseEnter; } disposed = true; } } }