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return a size hint based on font metrics

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svn path=/trunk/KDE/kdelibs/; revision=1046144
This commit is contained in:
Marco Martin 2009-11-07 16:44:56 +00:00
parent 4f6ff5ef68
commit a5f39f0f06
2 changed files with 34 additions and 22 deletions
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9
widgets/flashinglabel.cpp
View File

@ -212,6 +212,15 @@ void FlashingLabel::paint(QPainter *painter, const QStyleOptionGraphicsItem *opt
}
}
QSizeF FlashingLabel::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
{
if (which == Qt::PreferredSize) {
QFontMetrics fm(d->font);
return fm.boundingRect(d->text).size();
}
return QGraphicsWidget::sizeHint(which, constraint);
}
void FlashingLabelPrivate::renderPixmap(const QSize &size)
{
if (renderedPixmap.size() != size) {

47
widgets/flashinglabel.h
View File

@ -38,35 +38,38 @@ class FlashingLabelPrivate;
*/
class PLASMA_EXPORT FlashingLabel : public QGraphicsWidget
{
Q_OBJECT
public:
explicit FlashingLabel(QGraphicsItem *parent = 0);
virtual ~FlashingLabel();
Q_OBJECT
public:
explicit FlashingLabel(QGraphicsItem *parent = 0);
virtual ~FlashingLabel();
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
void setFont(const QFont &);
void setColor(const QColor &);
void setDuration(int duration);
void setFont(const QFont &);
void setColor(const QColor &);
void setDuration(int duration);
void flash(const QString &text, int duration = 0,
const QTextOption &option = QTextOption(Qt::AlignCenter));
void flash(const QPixmap &pixmap, int duration = 0,
Qt::Alignment align = Qt::AlignCenter);
void flash(const QString &text, int duration = 0,
const QTextOption &option = QTextOption(Qt::AlignCenter));
void flash(const QPixmap &pixmap, int duration = 0,
Qt::Alignment align = Qt::AlignCenter);
void setAutohide(bool autohide);
bool autohide() const;
void setAutohide(bool autohide);
bool autohide() const;
public Q_SLOTS:
void kill();
protected:
QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint) const;
protected Q_SLOTS:
void fadeIn();
void fadeOut();
public Q_SLOTS:
void kill();
private:
Q_PRIVATE_SLOT(d, void elementAnimationFinished(int))
FlashingLabelPrivate *const d;
protected Q_SLOTS:
void fadeIn();
void fadeOut();
private:
Q_PRIVATE_SLOT(d, void elementAnimationFinished(int))
FlashingLabelPrivate *const d;
};
}