private void FormChooseWindow_MouseMove(object sender, MouseEventArgs e)
{
if (canfind && !rectChoosed)
{
canfind = false;
//移动鼠标根据鼠标位置找窗口
//百度来的 ChildWindowFromPointEx
IntPtr thisfind = API.ChildWindowFromPointEx(API.GetDesktopWindow(), new API.POINT(e.X, e.Y),
0x0004 | 0x0001 | 0x0002 /*（CWP_SKIPTRANSPARENT ）表示忽略透明窗口，而本窗口设置 标识则可忽略本窗口*/);
//上一个找到的不等于这个找到的
if (lastFindedWnd != thisfind)
{
//重绘框
lastFindedWnd = thisfind;
API.GetWindowRect(lastFindedWnd, out lastFindedWndRect);
formColorPick.RectSizeStr = lastFindedWndRect.Width + " x " + lastFindedWndRect.Height;
Invalidate();
}
}
if (!rectChoosed || mouseDowned)
{
Point p = MousePosition;
Point tp = new Point();
if (p.X > screenWidth - formColorPick.Width - 25)
{
tp.X = p.X - formColorPick.Width - 25;
}
else
{
tp.X = p.X + 25;
}
if (p.Y > screenHeight - formColorPick.Height - 25)
{
tp.Y = p.Y - formColorPick.Height - 25;
}
else
{
tp.Y = p.Y + 25;
}
formColorPick.Location = tp;
formColorPick.InvalidatePreview();
WindowUtils.Top(formColorPick.Handle);
}
if (mouseDowned)
{
//拖动框
if (!rectChoosed) //拉出一个框
{
pointEnd = MousePosition;
//重置绘画的矩形框
if (pointStart.X > pointEnd.X)
{
lastFindedWndRect.Left = pointEnd.X;
lastFindedWndRect.Right = pointStart.X;
}
else
{
lastFindedWndRect.Left = pointStart.X;
lastFindedWndRect.Right = pointEnd.X;
}
if (pointStart.Y > pointEnd.Y)
{
lastFindedWndRect.Top = pointEnd.Y;
lastFindedWndRect.Bottom = pointStart.Y;
}
else
{
lastFindedWndRect.Top = pointStart.Y;
lastFindedWndRect.Bottom = pointEnd.Y;
}
Invalidate();
}
else if (formEditScreenShutTools.CurrentTools == PaintTools.None) //拖动调整框大小
{
if (currentSizeType == SizeType.Move)
{
int w = lastFindedWndRect.Width;
int h = lastFindedWndRect.Height;
Point tp = new Point(MousePosition.X - pointStartRefRect.X,
MousePosition.Y - pointStartRefRect.Y);
if (tp.X < 0)
{
tp.X = 0;
}
if (tp.Y < 0)
{
tp.Y = 0;
}
if (tp.X + w > screenWidth)
{
tp.X = screenWidth - w;
}
if (tp.Y + h > screenHeight)
{
tp.Y = screenHeight - h;
}
lastFindedWndRect.Left = tp.X;
lastFindedWndRect.Top = tp.Y;
lastFindedWndRect.Right = tp.X + w;
lastFindedWndRect.Bottom = tp.Y + h;
ResetToolPosition();
Invalidate();
}
else
{
bool resized = false;
if ((currentSizeType & SizeType.Top) == SizeType.Top)
{
Point tp = MousePosition;
if (tp.Y < 0)
{
tp.Y = 0;
}
else if (tp.Y > lastFindedWndRect.Bottom)
{
currentSizeType ^= SizeType.Top;
currentSizeType |= SizeType.Buttom;
}
lastFindedWndRect.Top = tp.Y;
resized = true;
}
if ((currentSizeType & SizeType.Buttom) == SizeType.Buttom)
{
Point tp = MousePosition;
if (tp.Y > screenHeight)
{
tp.Y = screenHeight;
}
else if (tp.Y < lastFindedWndRect.Top)
{
currentSizeType ^= SizeType.Buttom;
currentSizeType |= SizeType.Top;
}
lastFindedWndRect.Bottom = tp.Y;
resized = true;
}
if ((currentSizeType & SizeType.Left) == SizeType.Left)
{
Point tp = MousePosition;
if (tp.X < 0)
{
tp.X = 0;
}
else if (tp.X > lastFindedWndRect.Right)
{
currentSizeType ^= SizeType.Left;
currentSizeType |= SizeType.Right;
}
lastFindedWndRect.Left = tp.X;
resized = true;
}
if ((currentSizeType & SizeType.Right) == SizeType.Right)
{
Point tp = MousePosition;
if (tp.X > screenWidth)
{
tp.X = screenWidth;
}
else if (tp.X < lastFindedWndRect.Left)
{
currentSizeType ^= SizeType.Right;
currentSizeType |= SizeType.Left;
}
lastFindedWndRect.Right = tp.X;
resized = true;
}
if (resized)
{
ResetToolPosition();
formColorPick.InvalidatePreview();
formColorPick.RectSizeStr = lastFindedWndRect.Width + " x " + lastFindedWndRect.Height;
Invalidate();
}
}
}
else //画板
{
//绘制工具
paintBox.OnMouseMove(e);
}
}
else if (rectChoosed)
{
//检测鼠标是否在框的四角
Rectangle rc = new Rectangle(lastFindedWndRect.Left - 10, lastFindedWndRect.Top - 10,
lastFindedWndRect.Right - lastFindedWndRect.Left + 20, lastFindedWndRect.Bottom - lastFindedWndRect.Top + 20);
Point pt2 = new Point(e.X - rc.Left, e.Y - rc.Top);
//设置鼠标指针
if (pt2.X > 0 && pt2.X < SIZE_BORDER && pt2.Y > SIZE_BORDER && pt2.Y < rc.Height - SIZE_BORDER)
{
Cursor = Cursors.SizeWE;
currentSizeType = SizeType.Left;
}
else if (pt2.Y > 0 && pt2.Y < SIZE_BORDER && pt2.X > SIZE_BORDER && pt2.X < rc.Width - SIZE_BORDER)
{
Cursor = Cursors.SizeNS;
currentSizeType = SizeType.Top;
}
else if (pt2.Y > rc.Height - SIZE_BORDER && pt2.Y < rc.Height && pt2.X > SIZE_BORDER && pt2.X < rc.Width - SIZE_BORDER)
{
Cursor = Cursors.SizeNS;
currentSizeType = SizeType.Buttom;
}
else if (pt2.X > rc.Width - SIZE_BORDER && pt2.X < rc.Width && pt2.Y > SIZE_BORDER && pt2.Y < rc.Height - SIZE_BORDER)
{
Cursor = Cursors.SizeWE;
currentSizeType = SizeType.Right;
}
else if (pt2.X > 0 && pt2.X < SIZE_BORDER_2 && pt2.Y < SIZE_BORDER_2 && pt2.Y > 0)
{
Cursor = Cursors.SizeNWSE;
currentSizeType = SizeType.TopLeft;
}
else if (pt2.X > rc.Width - SIZE_BORDER_2 && pt2.X < rc.Width && pt2.Y < SIZE_BORDER_2 && pt2.Y > 0)
{
Cursor.Current = Cursors.SizeNESW;
currentSizeType = SizeType.TopRight;
}
else if (pt2.Y > rc.Height - SIZE_BORDER_2 && pt2.Y < rc.Height && pt2.X > rc.Width - SIZE_BORDER_2 && pt2.X < rc.Width)
{
Cursor = Cursors.SizeNWSE;
currentSizeType = SizeType.ButtomRight;
}
else if (pt2.X < SIZE_BORDER_2 && pt2.X > 0 && pt2.Y > rc.Height - SIZE_BORDER_2 && pt2.Y < rc.Height)
{
Cursor = Cursors.SizeNESW;
currentSizeType = SizeType.ButtomLeft;
}
else if (pt2.X > SIZE_BORDER_2 && pt2.Y > SIZE_BORDER_2 &&
pt2.X < rc.Width - SIZE_BORDER_2 && pt2.Y < rc.Height - SIZE_BORDER_2)
{
if (formEditScreenShutTools.CurrentTools == PaintTools.None)
{
Cursor = Cursors.SizeAll;
}
else
{
Cursor = formEditScreenShutTools.cur_current;
}
currentSizeType = SizeType.Move;
}
else
{
Cursor = formEditScreenShutTools.cur_default;
currentSizeType = SizeType.None;
}
}
}
