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
@@ -139,8 +139,8 @@ void Calibration::checkPoints ( )
                 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 );
 }
 
 
@@ -205,8 +205,8 @@ void Calibration::mouseMoveEvent ( QMouseEvent *e )
                 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];
@@ -237,8 +237,8 @@ void Calibration::mouseMoveEvent ( QMouseEvent *e )
                 }
         }
         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 );
         }
@@ -274,7 +274,7 @@ void Calibration::paintEvent ( QPaintEvent *pe )
         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 );