Revert last try to remove flicker for all styles but have

problems with liquid

2 files changed, 59 insertions, 54 deletions

diff --git a/noncore/tools/clock/analogclock.cpp b/noncore/tools/clock/analogclock.cpp
index 7f8ca67..c5f0155 100644
--- a/noncore/tools/clock/analogclock.cpp
+++ b/noncore/tools/clock/analogclock.cpp
@@ -20,123 +20,128 @@
 
 #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 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 );
 
-    QBrush bgBrush = colorGroup().brush( QColorGroup::Background );
-
-//    if ( clear ){
-        p->fillRect ( r, bgBrush );
-
-
-        // 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 );
-//    }
+    const int w_tick = r.width()/300+1;
+    const int w_sec = r.width()/400+1;
+    const int w_hour = r.width()/80+1;
 
-    QColor col = colorGroup().color( QColorGroup::Text );
-    p->setBrush( col );
-    drawPointers ( p, r, col, currTime );
-
-
-    prevTime = currTime;
-}
-
-void AnalogClock::drawPointers ( QPainter *p, const QRect &r, const QColor &c, const QTime &t, const QTime *t2 )
-{
-    QPoint center = r. center ( );
+    QPoint l1( r.x() + r.width() / 2, r.y() + 2 );
+    QPoint l2( r.x() + r.width() / 2, r.y() + 8 );
 
+    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 h1( center. x ( ), r. y ( ) + r. height ( ) / 4 );
-    QPoint h2( center. x ( ), center. y ( ) );
+    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 m1( center. x ( ), r.y() + r.height() / 8 );
-    QPoint m2( center. x ( ), center. y ( ) );
+    QPoint s1( r.x() + r.width() / 2, r.y() + 8 );
+    QPoint s2( r.x() + r.width() / 2, r.y() + r.height() / 2 );
 
-    QPoint s1( center. x ( ), r. y ( ) + 8 );
-    QPoint s2( center. x ( ), center. y ( ) );
+    QColor color( clear ? backgroundColor() : black );
+    QTime time = clear ? prevTime : currTime;
 
+    if ( clear && prevTime.secsTo(currTime) > 1 ) {
+	p->eraseRect( rect() );
+	return;
+    }
 
-    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 ( !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 ) );
     }
 
-    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 ( !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 ( !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 );
+    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 );
     }
-}
 
+    // 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 );
+
+    // 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 )
 {
@@ -160,38 +165,39 @@ 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) );
 }
diff --git a/noncore/tools/clock/analogclock.h b/noncore/tools/clock/analogclock.h
index 5f30d68..3aa035e 100644
--- a/noncore/tools/clock/analogclock.h
+++ b/noncore/tools/clock/analogclock.h
@@ -15,36 +15,35 @@
 **
 ** Contact info@trolltech.com if any conditions of this licensing are
 ** not clear to you.
 **
 **********************************************************************/
 #ifndef ANALOGCLOCK_H
 #define ANALOGCLOCK_H
 
 #include <qdatetime.h>
 #include <qframe.h>
 
 class AnalogClock : public QFrame
 {
     Q_OBJECT
 public:
     AnalogClock( QWidget *parent=0, const char *name=0 );
 
     QSizePolicy sizePolicy() const;
 
     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;
     bool clear;
 };
 
 #endif