public void DecorationMouseUp(HitTestValues hit, Point p)
{
NativeMethods.ReleaseCapture();
var pt = new POINTS {
X = (short)p.X, Y = (short)p.Y
};
NativeMethods.SendMessage(Handle, (int)WindowMessages.WM_NCLBUTTONUP, (int)hit, pt);
}
private static void ResizeWindow(Window window, ResizeDirection direction)
{
ReleaseCapture();
HitTestValues dir = GetHitTestValue(direction);
if (dir != HitTestValues.HTTRANSPARENT)
{
SendMessage(new WindowInteropHelper(window).Handle, WM_NCLBUTTONDOWN, (int)dir, 0);
}
}
public static Vector2 GetEdgeDistance(out HitTestValues cursorPositionFlag)
{
var globalCursorPosition = GetCursorPosition();
var windowRectPoints = WindowManager.GetWindowRectPoints();
cursorPositionFlag = GetCursorPositionFlag();
var distance = new Vector2();
if (cursorPositionFlag == HitTestValues.LeftBorder)
{
distance.x = Mathf.Abs(globalCursorPosition.x - windowRectPoints.Left);
}
else if (cursorPositionFlag == HitTestValues.RightBorder)
{
distance.x = Mathf.Abs(globalCursorPosition.x - windowRectPoints.Right);
}
else if (cursorPositionFlag == HitTestValues.TopBorder)
{
distance.y = Mathf.Abs(globalCursorPosition.y - windowRectPoints.Top);
}
else if (cursorPositionFlag == HitTestValues.BottomBorder)
{
distance.y = Mathf.Abs(globalCursorPosition.y - windowRectPoints.Bottom);
}
else if (cursorPositionFlag == HitTestValues.TopLeftBorder)
{
distance.x = Mathf.Abs(globalCursorPosition.x - windowRectPoints.Left);
distance.y = Mathf.Abs(globalCursorPosition.y - windowRectPoints.Top);
}
else if (cursorPositionFlag == HitTestValues.TopRightBorder)
{
distance.x = Mathf.Abs(globalCursorPosition.x - windowRectPoints.Right);
distance.y = Mathf.Abs(globalCursorPosition.y - windowRectPoints.Top);
}
else if (cursorPositionFlag == HitTestValues.BottomLeftBorder)
{
distance.x = Mathf.Abs(globalCursorPosition.x - windowRectPoints.Left);
distance.y = Mathf.Abs(globalCursorPosition.y - windowRectPoints.Bottom);
}
else if (cursorPositionFlag == HitTestValues.BottomRightBorder)
{
distance.x = Mathf.Abs(globalCursorPosition.x - windowRectPoints.Right);
distance.y = Mathf.Abs(globalCursorPosition.y - windowRectPoints.Bottom);
}
return(distance);
}
public void OnPointerUp(PointerEventData eventData)
{
if (WindowManager.Resizable)
{
_beginningCursorEdgeDistance = CursorManager.GetEdgeDistance(out _mouseDownCursorFlag);
_mouseDownCursorFlag = HitTestValues.Client;
_isMouseDown = false;
if (!WindowManager.Bordered && !WindowManager.Maximized)
{
blackPanel.SetActive(false);
WindowManager.LockWindowUpdate(false);
}
}
}
private IntPtr WindowFromPoint(Point point, uint timeout, ref HitTestValues hitTest, IntPtr lastestWindowFromPoint)
{
var window = WindowFromPoint(point);
if (window != IntPtr.Zero)
{
IntPtr result;
if (
SendMessageTimeout(window, (uint)WM.NCHITTEST, IntPtr.Zero, MAKELPARAM(point.X, point.Y),
SendMessageTimeoutFlags.SMTO_ABORTIFHUNG | SendMessageTimeoutFlags.SMTO_NORMAL, timeout,
out result) == IntPtr.Zero)
{
window = IntPtr.Zero;
}
else
{
var hitTestResult = (HitTestValues)result;
if (hitTestResult == HitTestValues.HTTRANSPARENT)
{
if (window == lastestWindowFromPoint)
{
//prevent infinite loop
return(lastestWindowFromPoint);
}
var currentWindow = window;
SetWindowLong(window, GWL_STYLE,
(int)
((WindowStyles)GetWindowLong(currentWindow, GWL_STYLE) |
WindowStyles.WS_DISABLED));
window = WindowFromPoint(point, timeout, ref hitTest, window);
SetWindowLong(window, GWL_STYLE,
(int)
((WindowStyles)GetWindowLong(currentWindow, GWL_STYLE) &
~WindowStyles.WS_DISABLED));
}
else
{
if (hitTest == 0)
{
hitTest = hitTestResult;
}
}
}
}
return(window);
}
public void DecorationMouseUp(HitTestValues hit)
{
DecorationMouseUp(hit, MousePosition);
}
public void DecorationMouseUp(HitTestValues hit, Point p)
{
NativeMethods.ReleaseCapture();
var pt = new POINTS { X = (short)p.X, Y = (short)p.Y };
NativeMethods.SendMessage(Handle, (int)WindowMessages.WM_NCLBUTTONUP, (int)hit, pt);
}
void DecorationMouseDown(MouseEventArgs e, HitTestValues h)
{
if (e.Button == MouseButtons.Left) DecorationMouseDown(h);
}
public void DecorationMouseUp(HitTestValues hit)
{
DecorationMouseUp(hit, MousePosition);
}
void FormBorderMouseUp(HitTestValues hit)
{
FormBorderMouseUp(hit, MousePosition);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="value">Value, that will be transmitted to <see cref="Form"/>, when triggered.</param>
public SideGrip(HitTestValues value)
{
// ...
_hitTestValue = value;
Location = Point.Empty;
}
private void MouseEvent(IntPtr window, WINDOWINFO windowinfo, HitTestValues hitTest, WM message, WM ncMessage, IntPtr clientCursorPos, IntPtr screenCursorPos)
{
if (message == WM.LBUTTONDOWN || message == WM.MBUTTONDOWN || message == WM.RBUTTONDOWN)
{
var topParent = GetAncestor(window, GetAncestorFlags.GetRoot);
if (topParent != _lastWindow)
{
IntPtr result;
MouseActivate mouseActivateResult;
if (
SendMessageTimeout(window, (uint)WM.MOUSEACTIVATE, topParent,
MAKELPARAM((int)hitTest, (int)message),
SendMessageTimeoutFlags.SMTO_ABORTIFHUNG | SendMessageTimeoutFlags.SMTO_NORMAL, 100,
out result) != IntPtr.Zero &&
(((mouseActivateResult = (MouseActivate)result) == MouseActivate.MA_ACTIVATEANDEAT) ||
mouseActivateResult == MouseActivate.MA_NOACTIVATEANDEAT))
{
return;
}
NativeMethods.SetWindowPos(topParent, new IntPtr(HWND_TOPMOST), 0, 0, 0, 0,
SetWindowPosFlags.IgnoreMove | SetWindowPosFlags.IgnoreResize | SetWindowPosFlags.ShowWindow);
_lastWindow = topParent;
}
}
NativeMethods.PostMessage(new HandleRef(null, window), WM.SETCURSOR, window,
MAKELPARAM((int)hitTest, (int)message));
if (hitTest == HitTestValues.HTCLIENT)
{
NativeMethods.PostMessage(new HandleRef(null, window), message, (IntPtr)MK_LBUTTON, clientCursorPos);
return;
}
SysCommands command = 0;
switch (hitTest)
{
case HitTestValues.HTSYSMENU:
if (ncMessage == WM.NCLBUTTONDBLCLK)
{
command = SysCommands.SC_CLOSE;
}
else if (ncMessage == WM.NCRBUTTONUP || ncMessage == WM.NCLBUTTONDOWN)
{
command = (SysCommands)0xFFFF;
}
break;
case HitTestValues.HTMINBUTTON:
if (ncMessage == WM.NCLBUTTONUP)
{
if (((WindowStyles)windowinfo.dwStyle & WindowStyles.WS_MINIMIZEBOX) != 0)
{
command = SysCommands.SC_MINIMIZE;
}
}
else if (ncMessage == WM.NCRBUTTONUP)
{
command = (SysCommands)0xFFFF;
}
break;
case HitTestValues.HTMAXBUTTON:
if (ncMessage == WM.NCLBUTTONUP)
{
if (((WindowStyles)windowinfo.dwStyle & WindowStyles.WS_MAXIMIZEBOX) != 0)
{
command = ((WindowStyles)windowinfo.dwStyle & WindowStyles.WS_MAXIMIZE) == 0
? SysCommands.SC_MAXIMIZE
: SysCommands.SC_RESTORE;
}
}
else if (ncMessage == WM.NCRBUTTONUP)
{
command = (SysCommands)0xFFFF;
}
break;
case HitTestValues.HTCLOSE:
if (ncMessage == WM.NCLBUTTONUP)
{
command = SysCommands.SC_CLOSE;
}
else if (ncMessage == WM.NCRBUTTONUP)
{
command = (SysCommands)0xFFFF;
}
break;
case HitTestValues.HTHELP:
if (ncMessage == WM.NCLBUTTONUP)
{
command = SysCommands.SC_CONTEXTHELP;
}
else if (ncMessage == WM.NCRBUTTONUP)
{
command = (SysCommands)0xFFFF;
}
break;
case HitTestValues.HTMENU:
if (ncMessage == WM.NCLBUTTONDOWN)
{
NativeMethods.PostMessage(new HandleRef(null, window), (WM)VncMessage, (IntPtr)VMW_EXECUTE_MENU, IntPtr.Zero);
}
else if (ncMessage == WM.NCMOUSEMOVE)
{
NativeMethods.PostMessage(new HandleRef(null, window), (WM)VncMessage, (IntPtr)VMW_HILITE_MENU, IntPtr.Zero);
}
break;
case HitTestValues.HTCAPTION:
if (ncMessage == WM.NCLBUTTONDBLCLK)
{
NativeMethods.PostMessage(new HandleRef(null, window), ncMessage, (IntPtr)hitTest, clientCursorPos);
}
else if (ncMessage == WM.NCRBUTTONUP)
{
command = (SysCommands)0xFFFF;
}
break;
default:
NativeMethods.PostMessage(new HandleRef(null, window),
message,
(IntPtr)MK_LBUTTON, clientCursorPos);
NativeMethods.PostMessage(new HandleRef(null, window), ncMessage, (IntPtr)hitTest, screenCursorPos);
break;
}
if (command != 0)
{
if (command == (SysCommands)0xFFFF)
{
NativeMethods.PostMessage(new HandleRef(null, window), WM.CONTEXTMENU, (IntPtr)command, clientCursorPos);
}
else
{
NativeMethods.PostMessage(new HandleRef(null, window), WM.SYSCOMMAND, (IntPtr)command, clientCursorPos);
}
}
}
public static void WindowSizeChange(Vector2 beginningCursorEdgeDistance, HitTestValues beginningCursorFlag)
{
if (beginningCursorFlag == HitTestValues.Client)
{
return;
}
var globalCursorPosition = CursorManager.GetCursorPosition();
var windowRectPoints = GetWindowRectPoints();
var newWindowRect = GetWindowRect();
if (KeepAspectRatio)
{
float aspectSizeValue;
switch (beginningCursorFlag)
{
case HitTestValues.LeftBorder:
case HitTestValues.TopLeftBorder:
case HitTestValues.BottomLeftBorder:
newWindowRect = WindowRectResizeLeft
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
aspectSizeValue = newWindowRect.width / AspectRatio.x;
newWindowRect.height = aspectSizeValue * AspectRatio.y;
break;
case HitTestValues.RightBorder:
case HitTestValues.BottomRightBorder:
case HitTestValues.TopRightBorder:
newWindowRect = WindowRectResizeRight
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
aspectSizeValue = newWindowRect.width / AspectRatio.x;
newWindowRect.height = aspectSizeValue * AspectRatio.y;
break;
case HitTestValues.TopBorder:
newWindowRect = WindowRectResizeTop
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
aspectSizeValue = newWindowRect.height / AspectRatio.y;
newWindowRect.width = aspectSizeValue * AspectRatio.x;
break;
case HitTestValues.BottomBorder:
newWindowRect = WindowRectResizeBottom
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
aspectSizeValue = newWindowRect.height / AspectRatio.y;
newWindowRect.width = aspectSizeValue * AspectRatio.x;
break;
}
}
else
{
switch (beginningCursorFlag)
{
case HitTestValues.LeftBorder:
{
newWindowRect = WindowRectResizeLeft
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
break;
}
case HitTestValues.RightBorder:
{
newWindowRect = WindowRectResizeRight
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
break;
}
case HitTestValues.TopBorder:
{
newWindowRect = WindowRectResizeTop
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
break;
}
case HitTestValues.BottomBorder:
{
newWindowRect = WindowRectResizeBottom
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
break;
}
case HitTestValues.TopLeftBorder:
newWindowRect = WindowRectResizeLeft
(beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
newWindowRect = WindowRectResizeTop
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
break;
case HitTestValues.TopRightBorder:
newWindowRect = WindowRectResizeRight
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
newWindowRect = WindowRectResizeTop
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
break;
case HitTestValues.BottomLeftBorder:
newWindowRect = WindowRectResizeLeft
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
newWindowRect = WindowRectResizeBottom
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
break;
case HitTestValues.BottomRightBorder:
newWindowRect = WindowRectResizeRight
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
newWindowRect = WindowRectResizeBottom
(
beginningCursorEdgeDistance,
windowRectPoints,
globalCursorPosition,
newWindowRect
);
break;
}
}
MoveWindow(newWindowRect, true);
}
private void SetStyle(Direction direction)
{
var(hitTestValues, cursor) = BuildStyle(direction);
_hitTestValue = hitTestValues;
_cursor = cursor;
}
