void UIMouseHandler::releaseMouse()
{
/* Do not try to release mouse if its released already: */
if (!uisession()->isMouseCaptured())
return;
/* If such viewport exists: */
if (m_viewports.contains(m_iMouseCaptureViewIndex))
{
/* Store mouse-capturing state value: */
uisession()->setMouseCaptured(false);
/* Return the cursor to where it was when we captured it: */
QCursor::setPos(m_capturedMousePos);
#ifdef Q_WS_WIN
/* Update mouse clipping: */
updateMouseCursorClipping();
#elif defined(Q_WS_MAC)
/* Releasing grabbed mouse from that view: */
::darwinMouseRelease(m_viewports[m_iMouseCaptureViewIndex]);
#else /* Q_WS_MAC */
/* Releasing grabbed mouse from that view: */
m_viewports[m_iMouseCaptureViewIndex]->releaseMouse();
#endif /* !Q_WS_MAC */
/* Reset mouse-capture index: */
m_iMouseCaptureViewIndex = -1;
/* Emit signal if required: */
emit mouseStateChanged(mouseState());
}
}
/* Machine state-change handler: */
void UIMouseHandler::sltMachineStateChanged()
{
/* Get machine state: */
KMachineState state = uisession()->machineState();
/* Handle particular machine states: */
switch (state)
{
case KMachineState_Paused:
case KMachineState_TeleportingPausedVM:
case KMachineState_Stuck:
{
/* Release the mouse: */
releaseMouse();
break;
}
default:
break;
}
/* Recall reminder about paused VM input
* if we are not in paused VM state already: */
if (machineLogic()->activeMachineWindow() &&
state != KMachineState_Paused &&
state != KMachineState_TeleportingPausedVM)
popupCenter().forgetAboutPausedVMInput(machineLogic()->activeMachineWindow());
// TODO: Is it really required?
/* Notify all listeners: */
emit mouseStateChanged(mouseState());
}
void PhotoCropBox::mousePressEvent(QMouseEvent *e) {
if (e->button() != Qt::LeftButton) return LayeredWidget::mousePressEvent(e);
_downState = mouseState(e->pos());
_fromposx = e->pos().x();
_fromposy = e->pos().y();
_fromcropx = _cropx;
_fromcropy = _cropy;
_fromcropw = _cropw;
return LayeredWidget::mousePressEvent(e);
}
void UIMouseHandler::captureMouse(ulong uScreenId)
{
/* Do not try to capture mouse if its captured already: */
if (uisession()->isMouseCaptured())
return;
/* If such viewport exists: */
if (m_viewports.contains(uScreenId))
{
/* Store mouse-capturing state value: */
uisession()->setMouseCaptured(true);
/* Memorize the index of machine-view-viewport captured mouse: */
m_iMouseCaptureViewIndex = uScreenId;
/* Memorize the host position where the cursor was captured: */
m_capturedMousePos = QCursor::pos();
/* Acquiring visible viewport rectangle in global coodrinates: */
QRect visibleRectangle = m_viewports[m_iMouseCaptureViewIndex]->visibleRegion().boundingRect();
QPoint visibleRectanglePos = m_views[m_iMouseCaptureViewIndex]->mapToGlobal(m_viewports[m_iMouseCaptureViewIndex]->pos());
visibleRectangle.translate(visibleRectanglePos);
visibleRectangle = visibleRectangle.intersected(QApplication::desktop()->availableGeometry());
#ifdef Q_WS_WIN
/* Move the mouse to the center of the visible area: */
m_lastMousePos = visibleRectangle.center();
QCursor::setPos(m_lastMousePos);
/* Update mouse clipping: */
updateMouseCursorClipping();
#elif defined (Q_WS_MAC)
/* Grab all mouse events: */
::darwinMouseGrab(m_viewports[m_iMouseCaptureViewIndex]);
#else /* Q_WS_MAC */
/* Remember current mouse position: */
m_lastMousePos = QCursor::pos();
/* Grab all mouse events: */
m_viewports[m_iMouseCaptureViewIndex]->grabMouse();
#endif /* !Q_WS_MAC */
/* Switch guest mouse to the relative mode: */
CMouse mouse = session().GetConsole().GetMouse();
mouse.PutMouseEvent(0, 0, 0, 0, 0);
/* Emit signal if required: */
emit mouseStateChanged(mouseState());
}
}
/* Machine state-change handler: */
void UIMouseHandler::sltMachineStateChanged()
{
/* Get machine state: */
KMachineState state = uisession()->machineState();
/* Handle particular machine states: */
switch (state)
{
case KMachineState_Paused:
case KMachineState_TeleportingPausedVM:
case KMachineState_Stuck:
{
/* Release the mouse: */
releaseMouse();
break;
}
default:
break;
}
/* Notify all listeners: */
emit mouseStateChanged(mouseState());
}
void PhotoCropBox::mouseMoveEvent(QMouseEvent *e) {
if (_downState && !(e->buttons() & Qt::LeftButton)) {
mouseReleaseEvent(e);
}
if (_downState) {
if (_downState == 1) {
int32 dx = e->pos().x() - _fromposx, dy = e->pos().y() - _fromposy, d = (dx < dy) ? dx : dy;
if (_fromcropx + d < 0) {
d = -_fromcropx;
}
if (_fromcropy + d < 0) {
d = -_fromcropy;
}
if (_fromcropw - d < st::cropMinSize) {
d = _fromcropw - st::cropMinSize;
}
if (_cropx != _fromcropx + d || _cropy != _fromcropy + d || _cropw != _fromcropw - d) {
_cropx = _fromcropx + d;
_cropy = _fromcropy + d;
_cropw = _fromcropw - d;
update();
}
} else if (_downState == 2) {
int32 dx = _fromposx - e->pos().x(), dy = e->pos().y() - _fromposy, d = (dx < dy) ? dx : dy;
if (_fromcropx + _fromcropw - d > _thumbw) {
d = _fromcropx + _fromcropw - _thumbw;
}
if (_fromcropy + d < 0) {
d = -_fromcropy;
}
if (_fromcropw - d < st::cropMinSize) {
d = _fromcropw - st::cropMinSize;
}
if (_cropy != _fromcropy + d || _cropw != _fromcropw - d) {
_cropy = _fromcropy + d;
_cropw = _fromcropw - d;
update();
}
} else if (_downState == 3) {
int32 dx = _fromposx - e->pos().x(), dy = _fromposy - e->pos().y(), d = (dx < dy) ? dx : dy;
if (_fromcropx + _fromcropw - d > _thumbw) {
d = _fromcropx + _fromcropw - _thumbw;
}
if (_fromcropy + _fromcropw - d > _thumbh) {
d = _fromcropy + _fromcropw - _thumbh;
}
if (_fromcropw - d < st::cropMinSize) {
d = _fromcropw - st::cropMinSize;
}
if (_cropw != _fromcropw - d) {
_cropw = _fromcropw - d;
update();
}
} else if (_downState == 4) {
int32 dx = e->pos().x() - _fromposx, dy = _fromposy - e->pos().y(), d = (dx < dy) ? dx : dy;
if (_fromcropx + d < 0) {
d = -_fromcropx;
}
if (_fromcropy + _fromcropw - d > _thumbh) {
d = _fromcropy + _fromcropw - _thumbh;
}
if (_fromcropw - d < st::cropMinSize) {
d = _fromcropw - st::cropMinSize;
}
if (_cropx != _fromcropx + d || _cropw != _fromcropw - d) {
_cropx = _fromcropx + d;
_cropw = _fromcropw - d;
update();
}
} else if (_downState == 5) {
int32 dx = e->pos().x() - _fromposx, dy = e->pos().y() - _fromposy;
if (_fromcropx + dx < 0) {
dx = -_fromcropx;
} else if (_fromcropx + _fromcropw + dx > _thumbw) {
dx = _thumbw - _fromcropx - _fromcropw;
}
if (_fromcropy + dy < 0) {
dy = -_fromcropy;
} else if (_fromcropy + _fromcropw + dy > _thumbh) {
dy = _thumbh - _fromcropy - _fromcropw;
}
if (_cropx != _fromcropx + dx || _cropy != _fromcropy + dy) {
_cropx = _fromcropx + dx;
_cropy = _fromcropy + dy;
update();
}
}
}
int32 cursorState = _downState ? _downState : mouseState(e->pos());
QCursor cur(style::cur_default);
if (cursorState == 1 || cursorState == 3) {
cur = style::cur_sizefdiag;
} else if (cursorState == 2 || cursorState == 4) {
cur = style::cur_sizebdiag;
} else if (cursorState == 5) {
cur = style::cur_sizeall;
}
setCursor(cur);
}
