TQString KStringHandler::rPixelSqueeze(const TQString& name, const TQFontMetrics& fontMetrics, uint maxPixels)
{
uint nameWidth = fontMetrics.width(name);
if (maxPixels < nameWidth)
{
TQString tmp = name;
const uint em = fontMetrics.maxWidth();
maxPixels -= fontMetrics.width("...");
while (maxPixels < nameWidth && !tmp.isEmpty())
{
int length = tmp.length();
int delta = em ? (nameWidth - maxPixels) / em : length;
delta = kClamp(delta, 1, length) ;
tmp.remove(length - delta, delta);
nameWidth = fontMetrics.width(tmp);
}
return (tmp + "...");
}
return name;
}
double ContainerAreaLayoutItem::freeSpaceRatio() const
{
BaseContainer* container = dynamic_cast<BaseContainer*>(item->widget());
if (container)
return kClamp(container->freeSpace(), 0.0, 1.0);
else
return m_freeSpaceRatio;
}
/**
* dependant on the screen rotation place the dots
*/
static QString g_insert_ldot( const QString& name, const QFontMetrics& fontMetrics ) {
uint maxPixels = qApp->desktop()->width()-90;
uint nameWidth = fontMetrics.width(name);
if (maxPixels < nameWidth) {
QString tmp = name;
const uint em = fontMetrics.maxWidth();
maxPixels -= fontMetrics.width("...");
while (maxPixels < nameWidth && !tmp.isEmpty()) {
int delta = (nameWidth - maxPixels) / em;
delta = kClamp(delta, 1, delta); // no max
tmp.remove(0, delta);
nameWidth = fontMetrics.width(tmp);
}
return ("..." + tmp);
}
return name;
}
TQString KStringHandler::lPixelSqueeze(const TQString& name, const TQFontMetrics& fontMetrics, uint maxPixels)
{
uint nameWidth = fontMetrics.width(name);
if (maxPixels < nameWidth)
{
TQString tmp = name;
const uint em = fontMetrics.maxWidth();
maxPixels -= fontMetrics.width("...");
while (maxPixels < nameWidth && !tmp.isEmpty())
{
int delta = (nameWidth - maxPixels) / em;
delta = kClamp(delta, 1, delta); // no max
tmp.remove(0, delta);
nameWidth = fontMetrics.width(tmp);
}
return ("..." + tmp);
}
return name;
}
inline int changeGamma( int value, int gamma )
{
return kClamp( int( pow( value / 255.0, 100.0 / gamma ) * 255 ), 0, 255 );
}
inline int changeContrast( int value, int contrast )
{
return kClamp((( value - 127 ) * contrast / 100 ) + 127, 0, 255 );
}
inline int changeBrightness( int value, int brightness )
{
return kClamp( value + brightness * 255 / 100, 0, 255 );
}
int PlaylistItem::ratingAtPoint( int x ) //static
{
Playlist* const pl = Playlist::instance();
x -= pl->header()->sectionPos( Rating );
return kClamp( ( x - 1 ) / ( StarManager::instance()->getGreyStar()->width() + pl->itemMargin() ) + 1, 1, 5 ) * 2;
}
void ContainerAreaLayout::moveContainerSwitch(QWidget* container, int distance)
{
const bool horizontal = orientation() == Horizontal;
const bool reverseLayout = QApplication::reverseLayout();
if (horizontal && reverseLayout)
distance = - distance;
const bool forward = distance > 0;
// Get the iterator 'it' pointing to 'moving'.
ItemList::const_iterator it = m_items.constBegin();
while (it != m_items.constEnd() && (*it)->item->widget() != container)
{
++it;
}
if (it == m_items.constEnd())
{
return;
}
ContainerAreaLayoutItem* moving = *it;
forward ? ++it : --it;
ContainerAreaLayoutItem* next = (it != m_items.constEnd()) ? *it : 0;
ContainerAreaLayoutItem* last = moving;
while (next)
{
// Calculate the position and width of the virtual container
// containing 'moving' and 'next'.
int tpos = forward ? next->leftR() - moving->widthR()
: next->leftR();
int tsize = moving->widthR() + next->widthR();
// Determine the middle of the containers.
int tmiddle = tpos + tsize / 2;
int movingMiddle = moving->leftR() + distance + moving->widthR() / 2;
// Check if the middle of 'moving' has moved past the middle of the
// virtual container.
if (!forward && movingMiddle > tmiddle
|| forward && movingMiddle < tmiddle)
break;
// Move 'next' to the other side of 'moving'.
QRect geom = next->geometryR();
if (forward)
geom.moveLeft(geom.left() - moving->widthR());
else
geom.moveLeft(geom.left() + moving->widthR());
next->setGeometryR(geom);
// Store 'next'. It may become null in the next iteration, but we
// need its value later.
last = next;
forward ? ++it : --it;
next = (it != m_items.constEnd()) ? *it : 0;
}
int newPos = moving->leftR() + distance;
if (last != moving)
{
// The case that moving has switched position with at least one other container.
newPos = forward ? kMax(newPos, last->rightR() + 1)
: kMin(newPos, last->leftR() - moving->widthR());
// Move 'moving' to its new position in the container list.
ItemList::iterator itMoving = m_items.find(moving);
if (itMoving != m_items.end())
{
ItemList::iterator itLast = itMoving;
if (forward)
{
++itLast;
++itLast;
}
else
{
--itLast;
}
m_items.erase(itMoving);
if (itLast == m_items.end())
{
if (forward)
{
m_items.append(moving);
}
else
{
m_items.push_front(moving);
}
}
else
{
m_items.insert(itLast, moving);
}
}
}
else if (next)
{
// Make sure that the moving container will not overlap the next one.
newPos = forward ? kMin(newPos, next->leftR() - moving->widthR())
: kMax(newPos, next->rightR() + 1);
}
// Move the container to its new position and prevent it from moving outside the panel.
QRect geom = moving->geometryR();
distance = kClamp(newPos, 0, widthR() - moving->widthR());
geom.moveLeft(distance);
moving->setGeometryR(geom);
// HACK - since the menuapplet is not movable by the user, make sure it's always left-aligned
ItemList::const_iterator prev = m_items.constEnd();
for( ItemList::const_iterator it = m_items.constBegin();
it != m_items.constEnd();
( prev = it ), ++it )
{
if( BaseContainer* container = dynamic_cast<BaseContainer*>((*it)->item->widget()))
if(AppletContainer* applet = dynamic_cast<AppletContainer*>(container))
if( applet->info().desktopFile() == "menuapplet.desktop" )
{
QRect geom = (*it)->geometryR();
if( prev != m_items.constEnd())
geom.moveLeft( (*prev)->rightR() + 1 );
else
geom.moveLeft( 0 );
(*it)->setGeometryR( geom );
}
}
updateFreeSpaceValues();
}