void WindowPreview::dragEnterEvent(QDragEnterEvent *event) {
hoverEnter();
if (m_activateTimer == NULL) {
m_activateTimer = new QTimer(this);
m_activateTimer->setSingleShot(true);
m_activateTimer->setInterval(DRAG_HOVER_DELAY);
connect(m_activateTimer, SIGNAL(timeout()), this, SLOT(activateForDrop()));
}
m_activateTimer->start();
event->ignore();
}
void Item3d::setInheritEvents(bool inherit)
{
d->inheritEvents = inherit;
//Generally we would only want to
QObjectList list = QObject::children();
if (inherit)
{
foreach (QObject *child, list) {
Item3d *subItem =qobject_cast<Item3d *>(child);
if (subItem)
{
// Proxy the mouse event signals to the parent so that
// the parent can trap the signal for a group of children.
QObject::connect(subItem, SIGNAL(clicked()), this, SIGNAL(clicked()));
QObject::connect(subItem, SIGNAL(doubleClicked()), this, SIGNAL(doubleClicked()));
QObject::connect(subItem, SIGNAL(pressed()), this, SIGNAL(pressed()));
QObject::connect(subItem, SIGNAL(released()), this, SIGNAL(released()));
QObject::connect(subItem, SIGNAL(hoverEnter()), this, SIGNAL(hoverEnter()));
QObject::connect(subItem, SIGNAL(hoverLeave()), this, SIGNAL(hoverLeave()));
}
}
}
bool QCustomButton::event(QEvent *event)
{
switch(event->type())
{
case QEvent::HoverEnter:
hoverEnter(static_cast<QHoverEvent*>(event));
return true;
break;
case QEvent::HoverLeave:
hoverLeave(static_cast<QHoverEvent*>(event));
return true;
break;
case QEvent::HoverMove:
hoverMove(static_cast<QHoverEvent*>(event));
return true;
break;
default:
break;
}
return QWidget::event(event);
}
void WindowPreview::enterEvent(QEvent *event) {
Q_UNUSED(event)
hoverEnter();
}
bool MainWindowEx::winEvent(MSG *msg, long *result)
{
bool fCallDWP = true;
BOOL fDwmEnabled = FALSE;
LRESULT lRet = 0;
HRESULT hr = S_OK;
HWND hWnd = msg->hwnd;
UINT message = msg->message;
WPARAM wParam = msg->wParam;
LPARAM lParam = msg->lParam;
// Winproc worker for custom frame issues.
hr = DwmIsCompositionEnabled(&fDwmEnabled);
if (!SUCCEEDED(hr) || !fDwmEnabled)
{
qDebug() << "DWM not enabled";
return false;
}
fCallDWP = !DwmDefWindowProc(hWnd, message, wParam, lParam, &lRet);
switch(message)
{
// 鼠标在窗口边缘时，缩放可用
case WM_NCHITTEST:
{
return hitTestNCA(msg, result);
}
// Handle window activation.
case WM_ACTIVATE:
{
// Extend the frame into the client area.
MARGINS margins = { -1, -1, -1, -1 };
hr = DwmExtendFrameIntoClientArea(hWnd, &margins);
if (!SUCCEEDED(hr))
{
// Handle error.
qDebug() << "Extend frame to Client Area error";
}
fCallDWP = true;
lRet = 0;
};
break;
// 缩放
case WM_NCCALCSIZE:
{
if(wParam == TRUE)
{
// Calculate new NCCALCSIZE_PARAMS based on custom NCA inset.
NCCALCSIZE_PARAMS *pncsp = reinterpret_cast<NCCALCSIZE_PARAMS*>(lParam);
pncsp->rgrc[0].left = pncsp->rgrc[0].left - 1;
pncsp->rgrc[0].top = pncsp->rgrc[0].top - 1;
pncsp->rgrc[0].right = pncsp->rgrc[0].right + 1;
pncsp->rgrc[0].bottom = pncsp->rgrc[0].bottom + 1;
QRect rect;
rect.setLeft(pncsp->rgrc[0].left);
rect.setTop(pncsp->rgrc[0].top);
rect.setRight(pncsp->rgrc[0].right);
rect.setBottom(pncsp->rgrc[0].bottom);
emit sizeChanged();
lRet = 0;
// No need to pass the message on to the DefWindowProc.
fCallDWP = false;
}
};
break;
case WM_NCMOUSELEAVE:
{
// if( uRow ==0 || uRow == 2 || uCol == 0 || uCol == 2)
// emit hoverLeave();
// else
// emit hoverEnter();
if(!this->geometry().contains(QCursor::pos()))
{
// QTimer::singleShot(400, this, SIGNAL(hoverLeave()));
emit hoverLeave();
}
};
break;
case WM_NCMOUSEMOVE:
{
emit hoverEnter();
};
break;
//最大化/最小化
case WM_GETMINMAXINFO:
{
MINMAXINFO *mmi = (MINMAXINFO*)lParam;
QRect rect = QApplication::desktop()->availableGeometry();
// mmi->ptMaxSize.x = rect.width();
// mmi->ptMaxSize.y = rect.height();
mmi->ptMaxPosition.x = 0;
mmi->ptMaxPosition.y = 0;
mmi->ptMinTrackSize.x = 400;
mmi->ptMinTrackSize.y = 260;
mmi->ptMaxTrackSize.x = rect.width();
mmi->ptMaxTrackSize.y = rect.height();
lRet = 0;
fCallDWP = false;
};
break;
}
if (!fCallDWP)
*result = lRet;
return !fCallDWP;
}