/// <summary>
/// Called when user stop dragging the <see cref="Thumb"/>.
/// </summary>
/// <param name="e"></param>
protected virtual void OnThumbDragCompleted(VectorEventArgs e)
{
_isDragging = false;
}
private void HandleOnMasterMove(object sender, VectorEventArgs args)
{
Translate(args.VectorTo);
}
/// <summary>
/// Called when user start dragging the <see cref="Thumb"/>.
/// </summary>
/// <param name="e"></param>
protected virtual void OnThumbDragStarted(VectorEventArgs e)
{
_isDragging = true;
}
/// <summary>
/// set is dragging to true
/// </summary>
/// <param name="e"></param>
protected override void OnDragStarted(VectorEventArgs e)
{
IsDragging = true;
base.OnDragStarted(e);
}
/// <summary>
/// set is dragging to false
/// </summary>
/// <param name="e"></param>
protected override void OnDragCompleted(VectorEventArgs e)
{
IsDragging = false;
base.OnDragCompleted(e);
}
private void WindowTitleThumbOnDragCompleted(object sender, VectorEventArgs e)
{
this.dragStartedMousePos = null;
}
private static void OnThumbDragStarted(SliderEx sliderEx, VectorEventArgs args)
{
sliderEx.OnThumbDragStarted(args);
}
private void WindowTitleThumbMoveOnDragDelta(object sender, VectorEventArgs e)
{
DoWindowTitleThumbMoveOnDragDelta(sender as IMetroThumb, this, e);
}
internal static void DoWindowTitleThumbMoveOnDragDelta(IMetroThumb thumb, MetroWindow window, VectorEventArgs dragDeltaEventArgs)
{
if (thumb == null)
{
throw new ArgumentNullException(nameof(thumb));
}
if (window == null)
{
throw new ArgumentNullException(nameof(window));
}
// drag only if IsWindowDraggable is set to true
if (!window.IsWindowDraggable ||
(!(Math.Abs(dragDeltaEventArgs.Vector.Y) > 2) && !(Math.Abs(dragDeltaEventArgs.Vector.X) > 2)))
{
return;
}
// tage from DragMove internal code
window.VerifyAccess();
//var cursorPos = WinApiHelper.GetPhysicalCursorPos();
// if the window is maximized dragging is only allowed on title bar (also if not visible)
var windowIsMaximized = window.WindowState == WindowState.Maximized;
if (window._titleBar != null && window._titleBar.IsPointerOver /*&& _mouseDown*/)
{
window.WindowState = WindowState.Normal;
//var pointerPress=new
try
{
window.BeginMoveDrag(null);
}
catch
{
//little hack so I do not need create Pointerpressed event
//which has a huge constructor
}
window._mouseDown = false;
}
//var isMouseOnTitlebar = Mouse.GetPosition(thumb).Y <= window.TitleBarHeight && window.TitleBarHeight > 0;
//if (!isMouseOnTitlebar && windowIsMaximized)
//{
// return;
//}
#pragma warning disable 618
// for the touch usage
//UnsafeNativeMethods.ReleaseCapture();
#pragma warning restore 618
if (windowIsMaximized)
{
//var cursorXPos = cursorPos.x;
EventHandler windowOnStateChanged = null;
windowOnStateChanged = (sender, args) =>
{
//window.Top = 2;
//window.Left = Math.Max(cursorXPos - window.RestoreBounds.Width / 2, 0);
//window.StateChanged -= windowOnStateChanged;
//if (window.WindowState == WindowState.Normal)
//{
// Mouse.Capture(thumb, CaptureMode.Element);
//}
};
//window.StateChanged -= windowOnStateChanged;
//window.StateChanged += windowOnStateChanged;
}
// var criticalHandle = window.CriticalHandle;
//#pragma warning disable 618
// // these lines are from DragMove
// // NativeMethods.SendMessage(criticalHandle, WM.SYSCOMMAND, (IntPtr)SC.MOUSEMOVE, IntPtr.Zero);
// // NativeMethods.SendMessage(criticalHandle, WM.LBUTTONUP, IntPtr.Zero, IntPtr.Zero);
// var wpfPoint = window.PointToScreen(Mouse.GetPosition(window));
// var x = (int)wpfPoint.X;
// var y = (int)wpfPoint.Y;
// NativeMethods.SendMessage(criticalHandle, WM.NCLBUTTONDOWN, (IntPtr)HT.CAPTION, new IntPtr(x | (y << 16)));
//#pragma warning restore 618
}
protected override void OnDragDelta(VectorEventArgs e)
{
base.OnDragDelta(e);
Control item = this.DataContext as Control;
if (item != null)
{
double delta_v, delta_h;
Rect r1 = item.Bounds;
Rect cvr2 = item.GetParentTOfLogical <Canvas>().Bounds;
switch (VerticalAlignment)
{
case VerticalAlignment.Bottom:
delta_v = Math.Min(-e.Vector.Y, item.Bounds.Height + item.MinHeight);
Rect _r1 = r1.WithY(Canvas.GetBottom(item) + delta_v);
if (cvr2.Contains(_r1))
{
item.Height -= delta_v;
}
break;
case VerticalAlignment.Top:
delta_v = Math.Min(e.Vector.Y, item.Bounds.Height + item.MinHeight);
Rect _r2 = r1.WithY(Canvas.GetTop(item) + delta_v);
if (cvr2.Contains(_r2))
{
Canvas.SetTop(item, Canvas.GetTop(item) + delta_v);
item.Height -= delta_v;
}
break;
}
switch (HorizontalAlignment)
{
case HorizontalAlignment.Left:
delta_h = Math.Min(e.Vector.X, item.Bounds.Width - item.MinWidth);
Rect _r3 = r1.WithX(Canvas.GetLeft(item) + delta_h);
if (cvr2.Contains(_r3))
{
Canvas.SetLeft(item, Canvas.GetLeft(item) + delta_h);
item.Width -= delta_h;
}
break;
case HorizontalAlignment.Right:
delta_h = Math.Min(e.Vector.X, item.Bounds.Width + item.MinWidth);
Rect _r4 = r1.WithX(Canvas.GetRight(item) + delta_h);
if (cvr2.Contains(_r4))
{
Canvas.SetRight(item, Canvas.GetRight(item) + delta_h);
item.Width += delta_h;
}
break;
}
#if DEBUG
Debug.WriteLine($"canvas margin is Top : {Canvas.GetTop(item)} Left : {Canvas.GetLeft(item)}");
Debug.WriteLine($" Bottom : {Canvas.GetBottom(item)} Right : {Canvas.GetRight(item)}");
#endif
}
}
private void OnMove(object sender, VectorEventArgs args)
{
SetPermeable(args.VectorFrom);
SetImpermeable(args.VectorTo);
}
private void OnThumbDragComplete(VectorEventArgs e)
{
OnScroll(ScrollEventType.EndScroll);
}
private void OnThumbDragDelta(VectorEventArgs e)
{
OnScroll(ScrollEventType.ThumbTrack);
}
private void OnMove(object sender, VectorEventArgs args)
{
_light.Move(Owner.GetComponent <ITransformComponent>().Position + _lightOffset);
}
/// <summary>
/// Called when user start dragging the <see cref="Thumb"/>.
/// </summary>
/// <param name="e"></param>
protected virtual void OnThumbDragStarted(VectorEventArgs e)
{
}
private static void OnThumbDragDelta(SliderEx sliderEx, VectorEventArgs args)
{
sliderEx.OnThumbDragDelta(args);
}
/// <summary>
/// Called when user stop dragging the <see cref="Thumb"/>.
/// </summary>
/// <param name="e"></param>
protected virtual void OnThumbDragCompleted(VectorEventArgs e)
{
}
protected virtual void OnDragDelta(VectorEventArgs e)
{
}
