-rw-r--r-- | noncore/tools/clock/analogclock.cpp | 112 | ||||
-rw-r--r-- | noncore/tools/clock/analogclock.h | 1 |
2 files changed, 54 insertions, 59 deletions
diff --git a/noncore/tools/clock/analogclock.cpp b/noncore/tools/clock/analogclock.cpp index c5f0155..7f8ca67 100644 --- a/noncore/tools/clock/analogclock.cpp +++ b/noncore/tools/clock/analogclock.cpp @@ -38,93 +38,88 @@ QSizePolicy AnalogClock::sizePolicy() const { return QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding ); } void AnalogClock::drawContents( QPainter *p ) { -#if !defined(NO_DEBUG) - static bool first = true; - if ( first ) { -// QTOPIA_PROFILE("first paint event"); - first = false; - } -#endif QRect r = contentsRect(); if ( r.width() < r.height() ) { r.setY( (r.height() - r.width())/2 ); r.setHeight( r.width() ); } + QPoint l1( r.x() + r.width() / 2, r.y() + 2 ); + QPoint l2( r.x() + r.width() / 2, r.y() + 8 ); QPoint center( r.x() + r.width() / 2, r.y() + r.height() / 2 ); - const int w_tick = r.width()/300+1; - const int w_sec = r.width()/400+1; - const int w_hour = r.width()/80+1; + QBrush bgBrush = colorGroup().brush( QColorGroup::Background ); - QPoint l1( r.x() + r.width() / 2, r.y() + 2 ); - QPoint l2( r.x() + r.width() / 2, r.y() + 8 ); +// if ( clear ){ + p->fillRect ( r, bgBrush ); - QPoint h1( r.x() + r.width() / 2, r.y() + r.height() / 4 ); - QPoint h2( r.x() + r.width() / 2, r.y() + r.height() / 2 ); - QPoint m1( r.x() + r.width() / 2, r.y() + r.height() / 9 ); - QPoint m2( r.x() + r.width() / 2, r.y() + r.height() / 2 ); + // draw ticks + p->setPen( QPen( colorGroup ( ). color ( QColorGroup::Text ), 1 ) ); + for ( int i = 0; i < 12; i++ ) + p->drawLine( rotate( center, l1, i * 30 ), rotate( center, l2, i * 30 ) ); +// }else { +// p->setBrush( bgBrush ); +// drawPointers ( p, r, colorGroup ( ). color ( QColorGroup::Background ), prevTime, &currTime ); +// } - QPoint s1( r.x() + r.width() / 2, r.y() + 8 ); - QPoint s2( r.x() + r.width() / 2, r.y() + r.height() / 2 ); + QColor col = colorGroup().color( QColorGroup::Text ); + p->setBrush( col ); + drawPointers ( p, r, col, currTime ); - QColor color( clear ? backgroundColor() : black ); - QTime time = clear ? prevTime : currTime; - if ( clear && prevTime.secsTo(currTime) > 1 ) { - p->eraseRect( rect() ); - return; - } + prevTime = currTime; +} - if ( !clear ) { - // draw ticks - p->setPen( QPen( color, w_tick ) ); - for ( int i = 0; i < 12; i++ ) - p->drawLine( rotate( center, l1, i * 30 ), rotate( center, l2, i * 30 ) ); - } +void AnalogClock::drawPointers ( QPainter *p, const QRect &r, const QColor &c, const QTime &t, const QTime *t2 ) +{ + QPoint center = r. center ( ); - if ( !clear || prevTime.minute() != currTime.minute() || - prevTime.hour() != currTime.hour() ) { - // draw hour pointer - h1 = rotate( center, h1, 30 * ( time.hour() % 12 ) + time.minute() / 2 ); - h2 = rotate( center, h2, 30 * ( time.hour() % 12 ) + time.minute() / 2 ); - p->setPen( color ); - p->setBrush( color ); - drawHand( p, h1, h2 ); - } - if ( !clear || prevTime.minute() != currTime.minute() ) { - // draw minute pointer - m1 = rotate( center, m1, time.minute() * 6 ); - m2 = rotate( center, m2, time.minute() * 6 ); - p->setPen( color ); - p->setBrush( color ); - drawHand( p, m1, m2 ); - } + QPoint h1( center. x ( ), r. y ( ) + r. height ( ) / 4 ); + QPoint h2( center. x ( ), center. y ( ) ); - // draw second pointer - s1 = rotate( center, s1, time.second() * 6 ); - s2 = rotate( center, s2, time.second() * 6 ); - p->setPen( QPen( color, w_sec ) ); - p->drawLine( s1, s2 ); + QPoint m1( center. x ( ), r.y() + r.height() / 8 ); + QPoint m2( center. x ( ), center. y ( ) ); - // cap - p->setBrush(color); - p->drawEllipse( center.x()-w_hour/2, center.y()-w_hour/2, w_hour, w_hour ); + QPoint s1( center. x ( ), r. y ( ) + 8 ); + QPoint s2( center. x ( ), center. y ( ) ); - if ( !clear ) - prevTime = currTime; + + if ( !t2 || ( t. minute ( ) != t2-> minute ( ) || t. hour ( ) != t2-> hour ( ))) { + // draw hour pointer + h1 = rotate( center, h1, 30 * ( t.hour() % 12 ) + t.minute() / 2 ); + h2 = rotate( center, h2, 30 * ( t.hour() % 12 ) + t.minute() / 2 ); + p-> setPen ( QPen ( c, 3 )); + drawHand( p, h1, h2 ); + } + + if ( !t2 || ( t. minute ( ) != t2-> minute ( ))) { + // draw minute pointer + m1 = rotate( center, m1, t.minute() * 6 ); + m2 = rotate( center, m2, t.minute() * 6 ); + p-> setPen ( QPen ( c, 2 )); + drawHand( p, m1, m2 ); + } + + if ( !t2 || ( t. second ( ) != t2-> second ( ))) { + // draw second pointer + s1 = rotate( center, s1, t.second() * 6 ); + s2 = rotate( center, s2, t.second() * 6 ); + p-> setPen ( QPen ( c, 1 )); + p-> drawLine ( s1, s2 ); + } } + // Dijkstra's bisection algorithm to find the square root as an integer. static uint int_sqrt(uint n) { if ( n >= UINT_MAX>>2 ) // n must be in the range 0...UINT_MAX/2-1 return 2*int_sqrt( n/4 ); @@ -183,16 +178,15 @@ void AnalogClock::drawHand( QPainter *p, QPoint p1, QPoint p2 ) p->drawPolygon( pa ); } void AnalogClock::display( const QTime& t ) { currTime = t; - clear = true; - repaint( false ); clear = false; repaint( false ); + clear = true; } QPoint AnalogClock::rotate( QPoint c, QPoint p, int a ) { double angle = deg2rad * ( - a + 180 ); double nx = c.x() - ( p.x() - c.x() ) * cos( angle ) - diff --git a/noncore/tools/clock/analogclock.h b/noncore/tools/clock/analogclock.h index 3aa035e..5f30d68 100644 --- a/noncore/tools/clock/analogclock.h +++ b/noncore/tools/clock/analogclock.h @@ -33,12 +33,13 @@ public: void display( const QTime& time ); protected: void drawContents( QPainter *p ); void drawHand( QPainter *p, QPoint, QPoint ); + void drawPointers ( QPainter *p, const QRect &r, const QColor &c, const QTime &t, const QTime *t2 = 0); private: QPoint rotate( QPoint center, QPoint p, int angle ); QTime currTime; QTime prevTime; |