/*! Paints the week scale header.
* \sa paintHeader()
*/
void DateTimeGrid::paintWeekScaleHeader( QPainter* painter, const QRectF& headerRect, const QRectF& exposedRect,
qreal offset, QWidget* widget )
{
QStyle* style = widget?widget->style():QApplication::style();
// Paint a section for each week
QDateTime sdt = d->chartXtoDateTime( offset+exposedRect.left() );
sdt.setTime( QTime( 0, 0, 0, 0 ) );
// Go backwards until start of week
while ( sdt.date().dayOfWeek() != d->weekStart ) sdt = sdt.addDays( -1 );
QDateTime dt = sdt;
for ( qreal x = d->dateTimeToChartX( dt ); x < exposedRect.right()+offset;
dt = dt.addDays( 7 ),x=d->dateTimeToChartX( dt ) ) {
QStyleOptionHeader opt;
opt.init( widget );
opt.rect = QRectF( x-offset, headerRect.top()+headerRect.height()/2., dayWidth()*7, headerRect.height()/2. ).toRect();
opt.text = QString::number( dt.date().weekNumber() );
opt.textAlignment = Qt::AlignCenter;
// NOTE:CE_Header does not honor clipRegion(), so we do the CE_Header logic here
style->drawControl( QStyle::CE_HeaderSection, &opt, painter, widget );
QStyleOptionHeader subopt = opt;
subopt.rect = style->subElementRect( QStyle::SE_HeaderLabel, &opt, widget );
if ( subopt.rect.isValid() ) {
style->drawControl( QStyle::CE_HeaderLabel, &subopt, painter, widget );
}
}
// Paint a section for each month
dt = sdt;
for ( qreal x2 = d->dateTimeToChartX( dt ); x2 < exposedRect.right()+offset; x2=d->dateTimeToChartX( dt ) ) {
//qDebug()<<"paintWeekScaleHeader()"<<dt;
QDate next = dt.date().addMonths( 1 );
next = next.addDays( 1 - next.day() );
QStyleOptionHeader opt;
opt.init( widget );
opt.rect = QRectF( x2-offset, headerRect.top(), dayWidth()*dt.date().daysTo( next ), headerRect.height()/2. ).toRect();
opt.text = QDate::longMonthName( dt.date().month() );
opt.textAlignment = Qt::AlignCenter;
// NOTE:CE_Header does not honor clipRegion(), so we do the CE_Header logic here
style->drawControl( QStyle::CE_HeaderSection, &opt, painter, widget );
QStyleOptionHeader subopt = opt;
subopt.rect = style->subElementRect( QStyle::SE_HeaderLabel, &opt, widget );
if ( subopt.rect.isValid() ) {
style->drawControl( QStyle::CE_HeaderLabel, &subopt, painter, widget );
}
dt.setDate( next );
}
}
/*! Paints the day scale header.
* \sa paintHeader()
*/
void DateTimeGrid::paintDayScaleHeader( QPainter* painter, const QRectF& headerRect, const QRectF& exposedRect,
qreal offset, QWidget* widget )
{
// For starters, support only the regular tab-per-day look
QStyle* style = widget?widget->style():QApplication::style();
// Paint a section for each day
QDateTime dt = d->chartXtoDateTime( offset+exposedRect.left() );
dt.setTime( QTime( 0, 0, 0, 0 ) );
for ( qreal x = d->dateTimeToChartX( dt ); x < exposedRect.right()+offset;
dt = dt.addDays( 1 ),x=d->dateTimeToChartX( dt ) ) {
QStyleOptionHeader opt;
opt.init( widget );
opt.rect = QRectF( x-offset, headerRect.top()+headerRect.height()/2., dayWidth(), headerRect.height()/2. ).toRect();
opt.text = dt.toString( QString::fromAscii( "ddd" ) ).left( 1 );
opt.textAlignment = Qt::AlignCenter;
// NOTE:CE_Header does not honor clipRegion(), so we do the CE_Header logic here
style->drawControl( QStyle::CE_HeaderSection, &opt, painter, widget );
QStyleOptionHeader subopt = opt;
subopt.rect = style->subElementRect( QStyle::SE_HeaderLabel, &opt, widget );
if ( subopt.rect.isValid() ) {
style->drawControl( QStyle::CE_HeaderLabel, &subopt, painter, widget );
}
}
dt = d->chartXtoDateTime( offset+exposedRect.left() );
dt.setTime( QTime( 0, 0, 0, 0 ) );
// Go backwards until start of week
while ( dt.date().dayOfWeek() != d->weekStart ) dt = dt.addDays( -1 );
// Paint a section for each week
for ( qreal x2 = d->dateTimeToChartX( dt ); x2 < exposedRect.right()+offset;
dt = dt.addDays( 7 ),x2=d->dateTimeToChartX( dt ) ) {
QStyleOptionHeader opt;
opt.init( widget );
opt.rect = QRectF( x2-offset, headerRect.top(), dayWidth()*7., headerRect.height()/2. ).toRect();
opt.text = QString::number( dt.date().weekNumber() );
opt.textAlignment = Qt::AlignCenter;
// NOTE:CE_Header does not honor clipRegion(), so we do the CE_Header logic here
style->drawControl( QStyle::CE_HeaderSection, &opt, painter, widget );
QStyleOptionHeader subopt = opt;
subopt.rect = style->subElementRect( QStyle::SE_HeaderLabel, &opt, widget );
if ( subopt.rect.isValid() ) {
style->drawControl( QStyle::CE_HeaderLabel, &subopt, painter, widget );
}
}
}
/*! Paints the hour scale header.
* \sa paintHeader()
*/
void DateTimeGrid::paintHourScaleHeader( QPainter* painter, const QRectF& headerRect, const QRectF& exposedRect,
qreal offset, QWidget* widget )
{
QStyle* style = widget?widget->style():QApplication::style();
// Paint a section for each hour
QDateTime dt = d->chartXtoDateTime( offset+exposedRect.left() );
dt.setTime( QTime( dt.time().hour(), 0, 0, 0 ) );
for ( qreal x = d->dateTimeToChartX( dt ); x < exposedRect.right()+offset;
dt = dt.addSecs( 60*60 /*1 hour*/ ),x=d->dateTimeToChartX( dt ) ) {
QStyleOptionHeader opt;
opt.init( widget );
opt.rect = QRectF( x-offset, headerRect.top()+headerRect.height()/2., dayWidth()/24., headerRect.height()/2. ).toRect();
opt.text = dt.time().toString( QString::fromAscii( "hh" ) );
opt.textAlignment = Qt::AlignCenter;
// NOTE:CE_Header does not honor clipRegion(), so we do the CE_Header logic here
style->drawControl( QStyle::CE_HeaderSection, &opt, painter, widget );
QStyleOptionHeader subopt = opt;
subopt.rect = style->subElementRect( QStyle::SE_HeaderLabel, &opt, widget );
if ( subopt.rect.isValid() ) {
style->drawControl( QStyle::CE_HeaderLabel, &subopt, painter, widget );
}
}
dt = d->chartXtoDateTime( offset+exposedRect.left() );
dt.setTime( QTime( 0, 0, 0, 0 ) );
// Paint a section for each day
for ( qreal x2 = d->dateTimeToChartX( dt ); x2 < exposedRect.right()+offset;
dt = dt.addDays( 1 ),x2=d->dateTimeToChartX( dt ) ) {
QStyleOptionHeader opt;
opt.init( widget );
opt.rect = QRectF( x2-offset, headerRect.top(), dayWidth(), headerRect.height()/2. ).toRect();
opt.text = QDate::longDayName( dt.date().dayOfWeek() );
opt.textAlignment = Qt::AlignCenter;
// NOTE:CE_Header does not honor clipRegion(), so we do the CE_Header logic here
style->drawControl( QStyle::CE_HeaderSection, &opt, painter, widget );
QStyleOptionHeader subopt = opt;
subopt.rect = style->subElementRect( QStyle::SE_HeaderLabel, &opt, widget );
if ( subopt.rect.isValid() ) {
style->drawControl( QStyle::CE_HeaderLabel, &subopt, painter, widget );
}
}
}
///
/// \brief 绘制左上角按钮
/// \param painter 设置好绘制设备的painter
/// \param btn 左上角按钮,左上角按钮指针，Painter已经把此按钮设置为此绘制设备
///
void DTableWidgetEx::paintConnerButton(QStylePainter &painter,QAbstractButton* btn)
{
QStyleOptionHeader opt;
opt.init(btn);
QStyle::State state = QStyle::State_None;
if (btn->isEnabled())
state |= QStyle::State_Enabled;
if (btn->isActiveWindow())
state |= QStyle::State_Active;
if (btn->isDown())
state |= QStyle::State_Sunken;
opt.state = state;
opt.rect = btn->rect();
opt.text = btn->text(); // this line is the only difference to QTableCornerButton
opt.position = QStyleOptionHeader::OnlyOneSection;
painter.drawControl(QStyle::CE_Header, opt);
}