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
@@ -134,18 +134,18 @@ void Calibration::checkPoints ( )
                 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 )
@@ -200,18 +200,18 @@ void Calibration::mouseMoveEvent ( QMouseEvent *e )
         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 ( ));
@@ -232,18 +232,18 @@ void Calibration::mouseMoveEvent ( QMouseEvent *e )
                                 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 )
@@ -269,17 +269,17 @@ void Calibration::paintEvent ( QPaintEvent *pe )
         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 ( );