Exemplo n.º 1
0
 private void Object_MouseDown(object sender, MouseEventArgs e)
 {
     _mouseDownCursorPosition   = Cursor.Position;
     _mouseDownWindowPosition   = new Point(Left, Top);
     _mouseDownWindowSize       = Size;
     _mouseDownBorder           = MouseBorder.Unset;
     (sender as Control).Cursor = Cursors.Default;
 }
Exemplo n.º 2
0
        private void Object_MouseMove(object sender, MouseEventArgs e)
        {
            var  ctrl              = sender as Control;
            bool isBtn             = sender is Button;
            bool isCollectMouseBtn = e.Button == MouseButtons.Left;

            if (isBtn)
            {
                isCollectMouseBtn = e.Button == MouseButtons.Right;
            }

            // cursor
            if (e.Button == MouseButtons.None || _mouseDownBorder == MouseBorder.Unset)
            {
                if (isBtn)
                {
                    _mouseDownBorder = MouseBorder.None;
                    ctrl.Cursor      = Cursors.Default;
                }
                else
                {
                    var  p   = Cursor.Position;
                    bool inX = p.X >= Left && p.X <= Left + Width;
                    bool inY = p.Y >= Top && p.Y <= Top + Height;
                    bool onN = inX && p.Y >= Top - BORDER_SIZE && p.Y <= Top + BORDER_SIZE;
                    bool onS = inX && p.Y >= Top + Height - BORDER_SIZE && p.Y <= Top + Height + BORDER_SIZE;
                    bool onW = inY && p.X >= Left - BORDER_SIZE && p.X <= Left + BORDER_SIZE;
                    bool onE = inY && p.X >= Left + Width - BORDER_SIZE && p.X <= Left + Width + BORDER_SIZE;
                    if (onN)
                    {
                        _mouseDownBorder = MouseBorder.N;
                        ctrl.Cursor      = Cursors.SizeNS;
                    }
                    else if (onS)
                    {
                        _mouseDownBorder = MouseBorder.S;
                        ctrl.Cursor      = Cursors.SizeNS;
                    }
                    else if (onW)
                    {
                        _mouseDownBorder = MouseBorder.W;
                        ctrl.Cursor      = Cursors.SizeWE;
                    }
                    else if (onE)
                    {
                        _mouseDownBorder = MouseBorder.E;
                        ctrl.Cursor      = Cursors.SizeWE;
                    }
                    else
                    {
                        _mouseDownBorder = MouseBorder.None;
                        ctrl.Cursor      = Cursors.Default;
                    }
                }
            }

            // move & resize
            if (isCollectMouseBtn)
            {
                int newTop     = _mouseDownWindowPosition.Y + Cursor.Position.Y - _mouseDownCursorPosition.Y;
                int newLeft    = _mouseDownWindowPosition.X + Cursor.Position.X - _mouseDownCursorPosition.X;
                int newHeightN = _mouseDownWindowSize.Height + _mouseDownCursorPosition.Y - Cursor.Position.Y;
                int newHeightS = _mouseDownWindowSize.Height - _mouseDownCursorPosition.Y + Cursor.Position.Y;
                int newWidthW  = _mouseDownWindowSize.Width + _mouseDownCursorPosition.X - Cursor.Position.X;
                int newWidthE  = _mouseDownWindowSize.Width - _mouseDownCursorPosition.X + Cursor.Position.X;

                switch (_mouseDownBorder)
                {
                case MouseBorder.None:
                    Top         = newTop;
                    Left        = newLeft;
                    ctrl.Cursor = Cursors.SizeAll;
                    break;

                case MouseBorder.N:
                    int minHeight = MinimumSize.Height, maxHeight = MaximumSize.Height;
                    if ((minHeight == 0 || newHeightN > minHeight) && (maxHeight == 0 || newHeightN < maxHeight))
                    {
                        Top    = newTop;
                        Height = newHeightN;
                    }
                    break;

                case MouseBorder.S:
                    Height = newHeightS;
                    break;

                case MouseBorder.W:
                    int minWidth = MinimumSize.Width, maxWidth = MaximumSize.Width;
                    if ((minWidth == 0 || newWidthW > minWidth) && (maxWidth == 0 || newWidthW < maxWidth))
                    {
                        Left  = newLeft;
                        Width = newWidthW;
                    }
                    break;

                case MouseBorder.E:
                    Width = newWidthE;
                    break;
                }
            }
        }
Exemplo n.º 3
0
 private void Object_MouseUp(object sender, MouseEventArgs e)
 {
     _mouseDownBorder           = MouseBorder.Unset;
     (sender as Control).Cursor = Cursors.Default;
 }