internal static void DoWindowTitleThumbMoveOnDragDelta(IMetroThumb thumb, SimpleMetroWindow window, DragDeltaEventArgs 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.HorizontalChange) > 2) && !(Math.Abs(dragDeltaEventArgs.VerticalChange) > 2)))
{
return;
}
// tage from DragMove internal code
window.VerifyAccess();
var cursorPos = NativeMethods.GetCursorPos();
// if the window is maximized dragging is only allowed on title bar (also if not visible)
var windowIsMaximized = window.WindowState == WindowState.Maximized;
////var isMouseOnTitlebar = Mouse.GetPosition(thumb).Y <= window.TitlebarHeight && window.TitlebarHeight > 0;
////if (!isMouseOnTitlebar && windowIsMaximized)
////{
//// return;
////}
// for the touch usage
UnsafeNativeMethods.ReleaseCapture();
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;
}
var criticalHandle = window.CriticalHandle;
// DragMove works too
// window.DragMove();
// instead this 2 lines
NativeMethods.SendMessage(criticalHandle, WM.SYSCOMMAND, (IntPtr)SC.MOUSEMOVE, IntPtr.Zero);
NativeMethods.SendMessage(criticalHandle, WM.LBUTTONUP, IntPtr.Zero, IntPtr.Zero);
}
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
}
/// <inheritdoc />
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
// really necessary?
if (this.Template == null)
{
return;
}
var isActiveBindingAction = new Action(() => {
var window = Window.GetWindow(this);
if (window != null)
{
this.SetBinding(ChildWindow.IsWindowHostActiveProperty, new Binding(nameof(Window.IsActive))
{
Source = window, Mode = BindingMode.OneWay
});
}
});
if (!this.IsLoaded)
{
this.BeginInvoke(isActiveBindingAction, DispatcherPriority.Loaded);
}
else
{
isActiveBindingAction();
}
this.hideStoryboard = this.Template.FindName(HideStoryboard, this) as Storyboard;
if (this.partOverlay != null)
{
this.partOverlay.MouseLeftButtonDown -= this.PartOverlayOnClose;
}
this.partOverlay = this.Template.FindName(PART_Overlay, this) as Grid;
if (this.partOverlay != null)
{
this.partOverlay.MouseLeftButtonDown += this.PartOverlayOnClose;
}
this.partWindow = this.Template.FindName(PART_Window, this) as Grid;
if (this.partWindow != null)
{
this.partWindow.RenderTransform = this.moveTransform;
}
this.icon = this.Template.FindName(PART_Icon, this) as ContentControl;
if (this.headerThumb != null)
{
this.headerThumb.DragDelta -= this.HeaderThumbDragDelta;
}
this.headerThumb = this.Template.FindName(PART_HeaderThumb, this) as IMetroThumb;
if (this.headerThumb != null && this.partWindow != null)
{
this.headerThumb.DragDelta += this.HeaderThumbDragDelta;
}
if (this.closeButton != null)
{
this.closeButton.Click -= this.OnCloseButtonClick;
}
this.closeButton = this.Template.FindName(PART_CloseButton, this) as Button;
if (this.closeButton != null)
{
this.closeButton.Click += this.OnCloseButtonClick;
}
}
