void VBoxGuestRAMSlider::init()
{
ulong fullSize = vboxGlobal().host().GetMemorySize();
CSystemProperties sys = vboxGlobal().virtualBox().GetSystemProperties();
mMinRAM = sys.GetMinGuestRAM();
mMaxRAM = RT_MIN (RT_ALIGN (fullSize, _1G / _1M), sys.GetMaxGuestRAM());
/* Come up with some nice round percent boundaries relative to
* the system memory. A max of 75% on a 256GB config is ridiculous,
* even on an 8GB rig reserving 2GB for the OS is way to conservative.
* The max numbers can be estimated using the following program:
*
* double calcMaxPct(uint64_t cbRam)
* {
* double cbRamOverhead = cbRam * 0.0390625; // 160 bytes per page.
* double cbRamForTheOS = RT_MAX(RT_MIN(_512M, cbRam * 0.25), _64M);
* double OSPct = (cbRamOverhead + cbRamForTheOS) * 100.0 / cbRam;
* double MaxPct = 100 - OSPct;
* return MaxPct;
* }
*
* int main()
* {
* uint64_t cbRam = _1G;
* for (; !(cbRam >> 33); cbRam += _1G)
* printf("%8lluGB %.1f%% %8lluKB\n", cbRam >> 30, calcMaxPct(cbRam),
* (uint64_t)(cbRam * calcMaxPct(cbRam) / 100.0) >> 20);
* for (; !(cbRam >> 51); cbRam <<= 1)
* printf("%8lluGB %.1f%% %8lluKB\n", cbRam >> 30, calcMaxPct(cbRam),
* (uint64_t)(cbRam * calcMaxPct(cbRam) / 100.0) >> 20);
* return 0;
* }
*
* Note. We might wanna put these calculations somewhere global later. */
/* System RAM amount test */
mMaxRAMAlw = (uint)(0.75 * fullSize);
mMaxRAMOpt = (uint)(0.50 * fullSize);
if (fullSize < 3072)
/* done */;
else if (fullSize < 4096) /* 3GB */
mMaxRAMAlw = (uint)(0.80 * fullSize);
else if (fullSize < 6144) /* 4-5GB */
{
mMaxRAMAlw = (uint)(0.84 * fullSize);
mMaxRAMOpt = (uint)(0.60 * fullSize);
}
else if (fullSize < 8192) /* 6-7GB */
{
mMaxRAMAlw = (uint)(0.88 * fullSize);
mMaxRAMOpt = (uint)(0.65 * fullSize);
}
else if (fullSize < 16384) /* 8-15GB */
{
mMaxRAMAlw = (uint)(0.90 * fullSize);
mMaxRAMOpt = (uint)(0.70 * fullSize);
}
else if (fullSize < 32768) /* 16-31GB */
{
mMaxRAMAlw = (uint)(0.93 * fullSize);
mMaxRAMOpt = (uint)(0.75 * fullSize);
}
else if (fullSize < 65536) /* 32-63GB */
{
mMaxRAMAlw = (uint)(0.94 * fullSize);
mMaxRAMOpt = (uint)(0.80 * fullSize);
}
else if (fullSize < 131072) /* 64-127GB */
{
mMaxRAMAlw = (uint)(0.95 * fullSize);
mMaxRAMOpt = (uint)(0.85 * fullSize);
}
else /* 128GB- */
{
mMaxRAMAlw = (uint)(0.96 * fullSize);
mMaxRAMOpt = (uint)(0.90 * fullSize);
}
/* Now check the calculated maximums are out of the range for the guest
* RAM. If so change it accordingly. */
mMaxRAMAlw = RT_MIN (mMaxRAMAlw, mMaxRAM);
mMaxRAMOpt = RT_MIN (mMaxRAMOpt, mMaxRAM);
setPageStep (calcPageStep (mMaxRAM));
setSingleStep (pageStep() / 4);
setTickInterval (pageStep());
/* Setup the scale so that ticks are at page step boundaries */
setMinimum ((mMinRAM / pageStep()) * pageStep());
setMaximum (mMaxRAM);
setSnappingEnabled (true);
setOptimalHint (mMinRAM, mMaxRAMOpt);
setWarningHint (mMaxRAMOpt, mMaxRAMAlw);
setErrorHint (mMaxRAMAlw, mMaxRAM);
}
DoubleEditor::DoubleEditor(QWidget* parent) : QDoubleSpinBox(parent) {
setMinimum(-FLT_MAX);
setMaximum(FLT_MAX);
setSingleStep(0.01);
}
int QAbstractSlider::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QWidget::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: valueChanged((*reinterpret_cast< int(*)>(_a[1]))); break;
case 1: sliderPressed(); break;
case 2: sliderMoved((*reinterpret_cast< int(*)>(_a[1]))); break;
case 3: sliderReleased(); break;
case 4: rangeChanged((*reinterpret_cast< int(*)>(_a[1])),(*reinterpret_cast< int(*)>(_a[2]))); break;
case 5: actionTriggered((*reinterpret_cast< int(*)>(_a[1]))); break;
case 6: setValue((*reinterpret_cast< int(*)>(_a[1]))); break;
case 7: setOrientation((*reinterpret_cast< Qt::Orientation(*)>(_a[1]))); break;
}
_id -= 8;
}
#ifndef QT_NO_PROPERTIES
else if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast< int*>(_v) = minimum(); break;
case 1: *reinterpret_cast< int*>(_v) = maximum(); break;
case 2: *reinterpret_cast< int*>(_v) = singleStep(); break;
case 3: *reinterpret_cast< int*>(_v) = pageStep(); break;
case 4: *reinterpret_cast< int*>(_v) = value(); break;
case 5: *reinterpret_cast< int*>(_v) = sliderPosition(); break;
case 6: *reinterpret_cast< bool*>(_v) = hasTracking(); break;
case 7: *reinterpret_cast< Qt::Orientation*>(_v) = orientation(); break;
case 8: *reinterpret_cast< bool*>(_v) = invertedAppearance(); break;
case 9: *reinterpret_cast< bool*>(_v) = invertedControls(); break;
case 10: *reinterpret_cast< bool*>(_v) = isSliderDown(); break;
}
_id -= 11;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setMinimum(*reinterpret_cast< int*>(_v)); break;
case 1: setMaximum(*reinterpret_cast< int*>(_v)); break;
case 2: setSingleStep(*reinterpret_cast< int*>(_v)); break;
case 3: setPageStep(*reinterpret_cast< int*>(_v)); break;
case 4: setValue(*reinterpret_cast< int*>(_v)); break;
case 5: setSliderPosition(*reinterpret_cast< int*>(_v)); break;
case 6: setTracking(*reinterpret_cast< bool*>(_v)); break;
case 7: setOrientation(*reinterpret_cast< Qt::Orientation*>(_v)); break;
case 8: setInvertedAppearance(*reinterpret_cast< bool*>(_v)); break;
case 9: setInvertedControls(*reinterpret_cast< bool*>(_v)); break;
case 10: setSliderDown(*reinterpret_cast< bool*>(_v)); break;
}
_id -= 11;
} else if (_c == QMetaObject::ResetProperty) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 11;
}
#endif // QT_NO_PROPERTIES
return _id;
}
/// <summary>
/// Event filter for taking special action on double click events.
/// </summary>
/// <param name="o">The object</param>
/// <param name="e">The eevent</param>
/// <returns>false</returns>
bool SpinBox::eventFilter(QObject* o, QEvent* e)
{
QMouseEvent* me = dynamic_cast<QMouseEvent*>(e);
if (isEnabled() &&
me &&
me->type() == QMouseEvent::MouseButtonPress &&
me->button() == Qt::RightButton)
{
m_MouseDownPoint = m_MouseMovePoint = me->pos();
StartTimer();
//qDebug() << "Right mouse down";
// QPoint pt;
//
// if (QMouseEvent* me = (QMouseEvent*)e)
// pt = me->localPos().toPoint();
//
// int pos = lineEdit()->cursorPositionAt(pt);
//
// if (lineEdit()->selectedText() != "")
// {
// lineEdit()->deselect();
// lineEdit()->setCursorPosition(pos);
// return true;
// }
// else if (m_Select)
// {
// lineEdit()->setCursorPosition(pos);
// selectAll();
// m_Select = false;
// return true;
// }
}
else if (isEnabled() &&
me &&
me->type() == QMouseEvent::MouseButtonRelease &&
me->button() == Qt::RightButton)
{
StopTimer();
m_MouseDownPoint = m_MouseMovePoint = me->pos();
//qDebug() << "Right mouse up";
}
else if (isEnabled() &&
me &&
me->type() == QMouseEvent::MouseMove &&
QGuiApplication::mouseButtons() & Qt::RightButton)
{
m_MouseMovePoint = me->pos();
qDebug() << "Mouse move while right down. Pt = " << me->pos() << ", global: " << mapToGlobal(me->pos());
}
else if (m_DoubleClick && e->type() == QMouseEvent::MouseButtonDblClick && isEnabled())
{
if (value() == 0)
setValue(m_DoubleClickZero);
else
setValue(m_DoubleClickNonZero);
}
else
{
if (e->type() == QEvent::Wheel)
{
//Take special action for shift to reduce the scroll amount. Control already
//increases it automatically.
if (QWheelEvent* wev = dynamic_cast<QWheelEvent*>(e))
{
Qt::KeyboardModifiers mod = wev->modifiers();
if (mod.testFlag(Qt::ShiftModifier))
setSingleStep(m_SmallStep);
else
setSingleStep(m_Step);
}
}
}
return QSpinBox::eventFilter(o, e);
}
void GIntSpinBox::SetStep( double theStep )
{
setSingleStep(theStep);
}
bool ScrSpinBox::eventFilter( QObject* watched, QEvent* event )
{
bool retval = false;
/* Adding this to be sure that the IM* events are processed correctly i.e not intercepted by our KeyPress/Release handlers */
if (event->type() == QEvent::InputMethod)
return QDoubleSpinBox::eventFilter(watched, event);
/*
if ( event->type() == QEvent::KeyPress )
{
QKeyEvent* k = (QKeyEvent*)event;
bool shiftB=k->modifiers() & Qt::ShiftModifier;
bool controlB=k->modifiers() & Qt::ControlModifier;
if (k->key() == Qt::Key_Shift && !controlB)
{
setSingleStep(0.1);
retval = QWidget::event(event);
}
else if (k->key() == Qt::Key_Control && !shiftB)
{
setSingleStep(10.0);
retval = QWidget::event(event);
}
else if ((k->key() == Qt::Key_Control && shiftB) || (k->key() == Qt::Key_Shift && controlB))
{
qDebug("boo1");
setSingleStep(0.01);
retval = QWidget::event(event);
}
else if ((k->key() == Qt::Key_Return) || (k->key() == Qt::Key_Enter) || (k->key() == Qt::Key_Tab))
{
if (!m_tabAdvance)
{
// qDebug() << "eventFilter: interpretText";
QDoubleSpinBox::interpretText();
return true;
}
}
}
else if (event->type() == QEvent::KeyRelease )
{
QKeyEvent* k = (QKeyEvent*)event;
bool shiftB=k->modifiers() & Qt::ShiftModifier;
bool controlB=k->modifiers() & Qt::ControlModifier;
if ((k->key() == Qt::Key_Shift && !controlB) || (k->key() == Qt::Key_Control && !shiftB))
{
setSingleStep(1.0);
retval = QWidget::event(event);
}
else if (k->key() == Qt::Key_Shift && controlB)
{
setSingleStep(10.0);
retval = QWidget::event(event);
}
else if (k->key() == Qt::Key_Control && shiftB)
{
setSingleStep(0.1);
retval = QWidget::event(event);
}
}
*/
if ( event->type() == QEvent::Wheel )
{
//If read only dont spin
if (isReadOnly())
return false;
QWheelEvent* k = (QWheelEvent*)event;
bool shiftB=k->modifiers() & Qt::ShiftModifier;
bool altB=k->modifiers() & Qt::AltModifier;
if (shiftB && !altB)
{
setSingleStep(0.1);
retval=QWidget::event(event);
}
else if (!shiftB && altB)
{
setSingleStep(10.0);
retval=QWidget::event(event);
}
else if (shiftB && altB)
{
setSingleStep(0.01);
retval=QWidget::event(event);
}
else if (!shiftB && !altB)
{
setSingleStep(1.0);
retval=QWidget::event(event);
}
}
else
return QDoubleSpinBox::eventFilter(watched, event);
return retval;
}
SpinBox( int min, int max, int step, QWidget *parent ):
QSpinBox( parent )
{
setRange( min, max );
setSingleStep( step );
}
void QSliderSpinBox::SetChangeStep(double step)
{
setSingleStep(step);
m_Slider->setSingleStep(step*m_Ratio);
}
SeekSlider::SeekSlider( Qt::Orientation q, QWidget *_parent, bool _static )
: QSlider( q, _parent ), b_classic( _static )
{
isSliding = false;
f_buffering = 1.0;
mHandleOpacity = 1.0;
chapters = NULL;
mHandleLength = -1;
b_seekable = true;
alternativeStyle = NULL;
// prepare some static colors
QPalette p = palette();
QColor background = p.color( QPalette::Active, QPalette::Window );
tickpointForeground = p.color( QPalette::Active, QPalette::WindowText );
tickpointForeground.setHsv( tickpointForeground.hue(),
( background.saturation() + tickpointForeground.saturation() ) / 2,
( background.value() + tickpointForeground.value() ) / 2 );
// set the background color and gradient
QColor backgroundBase( p.window().color() );
backgroundGradient.setColorAt( 0.0, backgroundBase.darker( 140 ) );
backgroundGradient.setColorAt( 1.0, backgroundBase );
// set the foreground color and gradient
QColor foregroundBase( 50, 156, 255 );
foregroundGradient.setColorAt( 0.0, foregroundBase );
foregroundGradient.setColorAt( 1.0, foregroundBase.darker( 140 ) );
// prepare the handle's gradient
handleGradient.setColorAt( 0.0, p.window().color().lighter( 120 ) );
handleGradient.setColorAt( 0.9, p.window().color().darker( 120 ) );
// prepare the handle's shadow gradient
QColor shadowBase = p.shadow().color();
if( shadowBase.lightness() > 100 )
shadowBase = QColor( 60, 60, 60 ); // Palette's shadow is too bright
shadowDark = shadowBase.darker( 150 );
shadowLight = shadowBase.lighter( 180 );
shadowLight.setAlpha( 50 );
/* Timer used to fire intermediate updatePos() when sliding */
seekLimitTimer = new QTimer( this );
seekLimitTimer->setSingleShot( true );
/* Tooltip bubble */
mTimeTooltip = new TimeTooltip( this );
mTimeTooltip->setMouseTracking( true );
/* Properties */
setRange( MINIMUM, MAXIMUM );
setSingleStep( 2 );
setPageStep( 10 );
setMouseTracking( true );
setTracking( true );
setFocusPolicy( Qt::NoFocus );
/* Use the new/classic style */
if( !b_classic )
{
alternativeStyle = new SeekStyle;
setStyle( alternativeStyle );
}
/* Init to 0 */
setPosition( -1.0, 0, 0 );
secstotimestr( psz_length, 0 );
animHandle = new QPropertyAnimation( this, "handleOpacity", this );
animHandle->setDuration( FADEDURATION );
animHandle->setStartValue( 0.0 );
animHandle->setEndValue( 1.0 );
hideHandleTimer = new QTimer( this );
hideHandleTimer->setSingleShot( true );
hideHandleTimer->setInterval( FADEOUTDELAY );
CONNECT( this, sliderMoved( int ), this, startSeekTimer() );
CONNECT( seekLimitTimer, timeout(), this, updatePos() );
CONNECT( hideHandleTimer, timeout(), this, hideHandle() );
mTimeTooltip->installEventFilter( this );
}
