void DragProxy::SetBorderWidth(int top, int right, int bottom, int left)
{
m_top = top;
m_right = right;
m_bottom = bottom;
m_left = left;
MakeRegions();
}
Region *ComputeRegions(CImage *cimg, Image *mask)
{
Region *r=NULL;
Graph *g;
g = CreateGraph(cimg);
r = MakeRegions(g, mask);
DestroyGraph(&g);
return(r);
}
bool DragProxy::eventFilter(QObject* obj, QEvent* event)
{
QEvent::Type eventType = event->type();
if (eventType == QEvent::MouseMove)
{
QMouseEvent* mouseEvent = (QMouseEvent*)event;
QPoint curPosLocal = mouseEvent->pos();
qDebug() << curPosLocal << "curPosLocal";
DragProxy::WidgetRegion regionType = HitTest(curPosLocal);
// QPoint curPosGlobal = m_proxyWidget->mapToGlobal(curPosLocal);
QPoint curPosGlobal = mouseEvent->globalPos();
qDebug() << curPosGlobal << "curPosGlobal";
if (!m_mousePressed) // 鼠标未按下
{
switch (regionType)
{
case Top:
case Bottom:
m_proxyWidget->setCursor(Qt::SizeVerCursor);
break;
case TopRight:
case LeftBottom:
m_proxyWidget->setCursor(Qt::SizeBDiagCursor);
break;
case Right:
case Left:
m_proxyWidget->setCursor(Qt::SizeHorCursor);
break;
case RightBottom:
case LeftTop:
m_proxyWidget->setCursor(Qt::SizeFDiagCursor);
break;
default:
m_proxyWidget->setCursor(Qt::ArrowCursor);
break;
}
StartCursorTimer();
}
else // 鼠标已按下
{
QRect geo = m_proxyWidget->geometry();
if (m_regionPressed == Inner)
{
//m_proxyWidget->move(m_originGeo.topLeft() + curPosGlobal - m_originPosGlobal);
// m_proxyWidget->move(curPosGlobal-(m_originPosGlobal - m_originGeo.topLeft()));
}
else if (m_regionPressed == Top)
{
m_proxyWidget->setCursor(Qt::SizeVerCursor);
int dY = curPosGlobal.y() - m_originPosGlobal.y();
UpdateGeometry(m_originGeo.x(), m_originGeo.y() + dY, m_originGeo.width(), m_originGeo.height() - dY);
}
else if (m_regionPressed == TopRight)
{
m_proxyWidget->setCursor(Qt::SizeBDiagCursor);
QPoint dXY = curPosGlobal - m_originPosGlobal;
UpdateGeometry(m_originGeo.x(), m_originGeo.y() + dXY.y(), m_originGeo.width() + dXY.x(), m_originGeo.height() - dXY.y());
}
else if (m_regionPressed == Right)
{
m_proxyWidget->setCursor(Qt::SizeHorCursor);
int dX = curPosGlobal.x() - m_originPosGlobal.x();
UpdateGeometry(m_originGeo.x(), m_originGeo.y(), m_originGeo.width() + dX, m_originGeo.height());
}
else if (m_regionPressed == RightBottom)
{
m_proxyWidget->setCursor(Qt::SizeFDiagCursor);
QPoint dXY = curPosGlobal - m_originPosGlobal;
UpdateGeometry(m_originGeo.x(), m_originGeo.y(), m_originGeo.width() + dXY.x(), m_originGeo.height() + dXY.y());
}
else if (m_regionPressed == Bottom)
{
m_proxyWidget->setCursor(Qt::SizeVerCursor);
int dY = curPosGlobal.y() - m_originPosGlobal.y();
UpdateGeometry(m_originGeo.x(), m_originGeo.y(), m_originGeo.width(), m_originGeo.height() + dY);
}
else if (m_regionPressed == LeftBottom)
{
m_proxyWidget->setCursor(Qt::SizeBDiagCursor);
QPoint dXY = curPosGlobal - m_originPosGlobal;
UpdateGeometry(m_originGeo.x() + dXY.x(), m_originGeo.y(), m_originGeo.width() - dXY.x(), m_originGeo.height() + dXY.y());
}
else if (m_regionPressed == Left)
{
m_proxyWidget->setCursor(Qt::SizeHorCursor);
int dX = curPosGlobal.x() - m_originPosGlobal.x();
UpdateGeometry(m_originGeo.x() + dX, m_originGeo.y(), m_originGeo.width() - dX, m_originGeo.height());
}
else if (m_regionPressed == LeftTop)
{
m_proxyWidget->setCursor(Qt::SizeFDiagCursor);
QPoint dXY = curPosGlobal - m_originPosGlobal;
UpdateGeometry(m_originGeo.x() + dXY.x(), m_originGeo.y() + dXY.y(), m_originGeo.width() - dXY.x(), m_originGeo.height() - dXY.y());
}
}
}
else if (eventType == QEvent::MouseButtonPress)
{
QMouseEvent* mouseEvent = (QMouseEvent*)event;
if (mouseEvent->button() == Qt::LeftButton)
{
m_mousePressed = true;
QPoint curPos = mouseEvent->pos();
m_regionPressed = HitTest(curPos);
//m_originPosGlobal = m_proxyWidget->mapToGlobal(curPos);
m_originPosGlobal = mouseEvent->globalPos();
qDebug() << m_originPosGlobal << "zj";
m_originGeo = m_proxyWidget->frameGeometry();
StopCursorTimer();
}
}
else if (eventType == QEvent::MouseButtonRelease)
{
m_mousePressed = false;
m_regionPressed = Unknown;
m_proxyWidget->setCursor(Qt::ArrowCursor);
}
else if (eventType == QEvent::Resize)
{
MakeRegions();
}
else if (eventType == QEvent::Leave)
{
m_proxyWidget->setCursor(Qt::ArrowCursor);
StopCursorTimer();
}
else if (eventType == QEvent::Timer)
{
QTimerEvent* timerEvent = (QTimerEvent*)event;
if (timerEvent->timerId() == m_cursorTimerId)
{
if (m_regions[Inner].contains(m_proxyWidget->mapFromGlobal(QCursor::pos())))
{
m_proxyWidget->setCursor(Qt::ArrowCursor);
StopCursorTimer();
}
}
}
return QObject::eventFilter(obj, event);
}
