1 files changed, 7 insertions, 7 deletions

diff --git a/core/settings/light-and-power/calibration.cpp b/core/settings/light-and-power/calibration.cpp
index aed2bc8..c5377d0 100644
--- a/core/settings/light-and-power/calibration.cpp
+++ b/core/settings/light-and-power/calibration.cpp
@@ -118,50 +118,50 @@ QPoint Calibration::endPoint ( ) const
 {
         return QPoint ( m_p [1]. x ( ), m_scale. height ( ) - m_p [1]. y ( ) - 1 );
 }
 
 void Calibration::checkPoints ( )
 {
         int dx = m_scale. width ( );
         int dy = m_scale. height ( );
 
         if ( m_p [1]. x ( ) < 0 )
                 m_p [1]. setX ( 0 );
         if ( m_p [1]. x ( ) >= dx )
                 m_p [1]. setX ( dx - 1 );
         if ( m_p [0]. x ( ) < 0 )
                 m_p [0]. setX ( 0 );
         if ( m_p [0]. x ( ) > m_p [1]. x ( ))
                 m_p [0]. setX ( m_p [1]. x ( ));
 
         if ( m_p [1]. y ( ) < 0 )
                 m_p [1]. setY ( 0 );
         if ( m_p [1]. y ( ) >= dy )
                 m_p [1]. setY ( dy - 1 );
         if ( m_p [0]. y ( ) < 0 )
                 m_p [0]. setY ( 0 );
-        if ( m_p [0]. y ( ) > m_p [1]. y ( ))
-                m_p [0]. setY ( m_p [1]. y ( ));
+        if ( m_p [0]. y ( ) >= dy )
+                m_p [0]. setY ( dy - 1 );
 }
 
 
 #define SCALEX(x)   (BRD+(x)*(width()- 2*BRD)/m_scale.width())
 #define SCALEY(y)   (BRD+(y)*(height()-2*BRD)/m_scale.height())
 
 
 static QRect around ( int x, int y )
 {
                 return QRect ( x - BRD, y - BRD, 2 * BRD + 1, 2 * BRD + 1 );
 }
 
 void Calibration::mousePressEvent ( QMouseEvent *e )
 {
         if ( e-> button ( ) != LeftButton )
                 return QWidget::mousePressEvent ( e );
 
         int olddragged = m_dragged;
         int x [2], y [2];
 
         m_dragged = -1;
         for ( int i = 0; i < 2; i++ ) {
                 x [i] = SCALEX( m_p [i]. x ( ));
                 y [i] = SCALEY( m_p [i]. y ( ));
@@ -184,118 +184,118 @@ void Calibration::mousePressEvent ( QMouseEvent *e )
                 }
 }
 
 void Calibration::mouseMoveEvent ( QMouseEvent *e )
 {
         if ( m_dragged < 0 )
                 return;
                 
         QPoint n [2];
         
         n [m_dragged]. setX (( e-> x ( ) - BRD ) * m_scale. width ( ) / ( width ( ) - 2 * BRD ));
                 n [m_dragged]. setY (( e-> y ( ) - BRD ) * m_scale. height ( ) / ( height ( ) - 2 * BRD ));
         n [1 - m_dragged] = m_p [1 - m_dragged];
         
         if ( n [m_dragged]. x ( ) < 0 ) 
                 n [m_dragged]. setX ( 0 );
         if ( n [m_dragged]. x ( ) >= m_scale. width ( ))
                 n [m_dragged]. setX ( m_scale. width ( ) - 1 );
         if ( n [0]. x ( ) > n [1]. x ( ))
                 n [m_dragged]. setX ( n [1 - m_dragged]. x ( ));
         if ( n [m_dragged]. y ( ) < 0 ) 
                 n [m_dragged]. setY ( 0 );
         if ( n [m_dragged]. y ( ) >= m_scale. height ( ))
                 n [m_dragged]. setY ( m_scale. height ( ) - 1 );
-        if ( n [0]. y ( ) > n [1]. y ( ))
-                n [m_dragged]. setY ( n [1 - m_dragged]. y ( ));
+        //if ( n [0]. y ( ) > n [1]. y ( ))
+        //      n [m_dragged]. setY ( n [1 - m_dragged]. y ( ));
                 
                 QRect r;
                 int ox [2], oy [2], nx [2], ny [2];
         
         for ( int i = 0; i < 2; i++ ) {
                 nx [i] = SCALEX( n [i]. x ( ));
                 ny [i] = SCALEY( n [i]. y ( ));
                 ox [i] = SCALEX( m_p [i]. x ( ));
                 oy [i] = SCALEY( m_p [i]. y ( ));
         
                         if ( n [i] != m_p [i] ){
                                 r |= around ( nx [i], ny [i] );
                                 r |= around ( ox [i], oy [i] );
                         m_p [i] = n [i];
                         
                         if ( i == 0 ) {
                                 r |= QRect ( 0, ny [0], nx [0] - 0 + 1, 1 );
                                 r |= QRect ( 0, oy [0], ox [0] - 0 + 1, 1 );
                         
                                 emit startPointChanged ( startPoint ( ));
                         }
                         else if ( i == 1 ) {
                                 r |= QRect ( nx [1], ny [1], width ( ) - nx [1], 1 ); 
                                 r |= QRect ( ox [1], oy [1], width ( ) - ox [1], 1 ); 
 
                                 emit endPointChanged ( endPoint ( ));
                         }
                 }
         }
         if ( r. isValid ( )) {
-                r |= QRect ( nx [0], ny [0], nx [1] - nx [0] + 1, ny [1] - ny [0] + 1 );
-                r |= QRect ( ox [0], oy [0], ox [1] - ox [0] + 1, oy [1] - oy [0] + 1 );
+                r |= QRect ( nx [0], ny [0], nx [1] - nx [0] + 1, ny [1] - ny [0] + 1 ). normalize ( );
+                r |= QRect ( ox [0], oy [0], ox [1] - ox [0] + 1, oy [1] - oy [0] + 1 ). normalize ( );
                 
                 repaint ( r, false );
         }
 }
 
 void Calibration::mouseReleaseEvent ( QMouseEvent *e )
 {
         if ( e-> button ( ) != LeftButton )
                 return QWidget::mouseReleaseEvent ( e );
         
         if ( m_dragged < 0 )
                 return;
         
         int x = SCALEX( m_p [m_dragged]. x ( ));
         int y = SCALEY( m_p [m_dragged]. y ( ));
         m_dragged = -1;
         
         repaint ( around ( x, y ), false );
 }
 
 void Calibration::paintEvent ( QPaintEvent *pe )
 {
         QPixmap pix ( size ( ));
         QPainter p ( &pix, this );
         QRect cr = pe-> rect ( );
         
         int x0 = SCALEX( m_p [0]. x ( ));
         int y0 = SCALEY( m_p [0]. y ( ));
         int x1 = SCALEX( m_p [1]. x ( ));
         int y1 = SCALEY( m_p [1]. y ( ));
                         
         int dx = x1 - x0;
         int dy = y1 - y0;
         
         // restrict steps to real x and y resolution
-        int st = QMIN( QMIN( m_steps, ( dx + 1 )), ( dy + 1 ));
+        int st = QMIN( QMIN( m_steps, ( dx + 1 )), ( QABS( dy ) + 1 ));
         
         QString stepstr = tr( "%1 Steps" ). arg ( st );
         QRect tr = p. boundingRect ( BRD, BRD, width ( ) - 2*BRD, height() - 2*BRD, AlignTop | AlignRight, stepstr );
         tr. setLeft ( tr. left ( ) - 20 );
         if ( p. hasClipping ( ))
                 p. setClipRegion ( p. clipRegion ( ) | QRegion ( tr ));
         
         QColorGroup g = colorGroup ( );
 
         p. fillRect ( cr, g. base ( ));
         p. fillRect ( tr, g. base ( ));
 
         int ex = x0, ey = y0;
         
         p. setPen ( g. mid ( ));
         
         int gx0 = SCALEX( 0 );
         int gy0 = SCALEY( 0 );
         int gx1 = SCALEX( m_scale. width ( ) - 1 );
         int gy1 = SCALEY( m_scale. height ( ) - 1 );
 
         int xdiv = QMIN( 4, m_scale. width ( ));
         int ydiv = QMIN( 4, m_scale. height ( ));