Diffstat (limited to 'noncore/tools/clock/analogclock.cpp') (more/less context) (show whitespace changes)
-rw-r--r-- | noncore/tools/clock/analogclock.cpp | 98 |
1 files changed, 46 insertions, 52 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 @@ -20,128 +20,123 @@ #include "analogclock.h" #include <qlayout.h> #include <qpainter.h> #include <qtopia/global.h> #include <math.h> const double deg2rad = 0.017453292519943295769; // pi/180 AnalogClock::AnalogClock( QWidget *parent, const char *name ) : QFrame( parent, name ), clear(false) { setMinimumSize(50,50); } 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 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; - 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 ); - 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 ); - - QPoint s1( r.x() + r.width() / 2, r.y() + 8 ); - QPoint s2( r.x() + r.width() / 2, r.y() + r.height() / 2 ); + QBrush bgBrush = colorGroup().brush( QColorGroup::Background ); - QColor color( clear ? backgroundColor() : black ); - QTime time = clear ? prevTime : currTime; +// if ( clear ){ + p->fillRect ( r, bgBrush ); - if ( clear && prevTime.secsTo(currTime) > 1 ) { - p->eraseRect( rect() ); - return; - } - if ( !clear ) { // draw ticks - p->setPen( QPen( color, w_tick ) ); + 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 ); +// } + + QColor col = colorGroup().color( QColorGroup::Text ); + p->setBrush( col ); + drawPointers ( p, r, col, currTime ); + + + prevTime = currTime; } - if ( !clear || prevTime.minute() != currTime.minute() || - prevTime.hour() != currTime.hour() ) { +void AnalogClock::drawPointers ( QPainter *p, const QRect &r, const QColor &c, const QTime &t, const QTime *t2 ) +{ + QPoint center = r. center ( ); + + + QPoint h1( center. x ( ), r. y ( ) + r. height ( ) / 4 ); + QPoint h2( center. x ( ), center. y ( ) ); + + QPoint m1( center. x ( ), r.y() + r.height() / 8 ); + QPoint m2( center. x ( ), center. y ( ) ); + + QPoint s1( center. x ( ), r. y ( ) + 8 ); + QPoint s2( center. x ( ), center. y ( ) ); + + + if ( !t2 || ( t. minute ( ) != t2-> minute ( ) || t. hour ( ) != t2-> 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 ); + 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 ( !clear || prevTime.minute() != currTime.minute() ) { + if ( !t2 || ( t. minute ( ) != t2-> minute ( ))) { // draw minute pointer - m1 = rotate( center, m1, time.minute() * 6 ); - m2 = rotate( center, m2, time.minute() * 6 ); - p->setPen( color ); - p->setBrush( color ); + 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, time.second() * 6 ); - s2 = rotate( center, s2, time.second() * 6 ); - p->setPen( QPen( color, w_sec ) ); + s1 = rotate( center, s1, t.second() * 6 ); + s2 = rotate( center, s2, t.second() * 6 ); + p-> setPen ( QPen ( c, 1 )); p->drawLine( s1, s2 ); - - // cap - p->setBrush(color); - p->drawEllipse( center.x()-w_hour/2, center.y()-w_hour/2, w_hour, w_hour ); - - if ( !clear ) - prevTime = currTime; } +} + // 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 ); uint h, p= 0, q= 1, r= n; while ( q <= n ) q <<= 2; while ( q != 1 ) { q >>= 2; h= p + q; p >>= 1; if ( r >= h ) { p += q; r -= h; } } return p; } void AnalogClock::drawHand( QPainter *p, QPoint p1, QPoint p2 ) { @@ -165,39 +160,38 @@ void AnalogClock::drawHand( QPainter *p, QPoint p1, QPoint p2 ) } else { nix = (ix+1)/2; ix = ix/2; } if ( iy < 0 ) { niy = iy/2; iy = (iy-1)/2; } else { niy = (iy+1)/2; iy = iy/2; } QPointArray pa(4); pa[0] = p1; pa[1] = QPoint( p2.x()+iy, p2.y()-nix ); pa[2] = QPoint( p2.x()-niy, p2.y()+ix ); pa[3] = p1; 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 ) - ( p.y() - c.y() ) * sin( angle ); double ny = c.y() - ( p.y() - c.y() ) * cos( angle ) + ( p.x() - c.x() ) * sin( angle ); return QPoint( int(nx), int(ny) ); } |