make slider orientation configurable into 4 directions

[enigma2.git] / lib / gui / eslider.cpp

diff --git a/lib/gui/eslider.cpp b/lib/gui/eslider.cpp
index dd2aac9e73c329b9f3eb64ad73ae30c84263719b..c8b467c9a5231fbaa73b0eaf9cad89daaa4c45b1 100644 (file)
--- a/lib/gui/eslider.cpp
+++ b/lib/gui/eslider.cpp
@@ -70,10 +70,14 @@ int eSlider::event(int event, void *data, void *data2)
 
                if (m_min < m_max)
                {
 
                if (m_min < m_max)
                {

-                       num_pix = pixsize * (m_value - m_start) / (m_max - m_min);
-                       start_pix = pixsize * m_start / (m_max - m_min);
+                       int val_range = m_max - m_min;
+                       num_pix = (pixsize * (m_value - m_start) + val_range - 1) / val_range; /* properly round up */
+                       start_pix = (pixsize * m_start + val_range - 1) / val_range;
+
+                       if (m_orientation_swapped)
+                               start_pix = pixsize - num_pix - start_pix;

                }
                }

-               
+

                if  (start_pix < 0)
                {
                        num_pix += start_pix;
                if  (start_pix < 0)
                {
                        num_pix += start_pix;


@@ -113,9 +117,10 @@ void eSlider::setStartEnd(int start, int end)
        event(evtChangedSlider);
 }
 
        event(evtChangedSlider);
 }
 

-void eSlider::setOrientation(int orientation)
+void eSlider::setOrientation(int orientation, int swapped)

 {
        m_orientation = orientation;
 {
        m_orientation = orientation;

+       m_orientation_swapped = swapped;

        event(evtChangedSlider);
 }
 
        event(evtChangedSlider);
 }