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Fix assertion due to adjustment value being zero

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wx3 on OSX has changed how the mouse wheel delta is calculated.  Prior
to wx3, it was simply set to 1 so the wheel rotaion value was simply
increments of one.

With wx3, higher resolution devices (like touchpads) are supported so
the value for wheel rotation can be a fraction of the delta, so it is
possible to pass a zero value to the NumericConverter::Adjust() method.
Therefore, the method just returns in this case.
This commit is contained in:
Leland Lucius 2015-07-18 20:19:04 -05:00
parent 6d25c04af5
commit 62491cb769
1 changed files with 6 additions and 0 deletions
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6
src/widgets/NumericTextCtrl.cpp
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@ -1019,6 +1019,12 @@ void NumericConverter::Decrement()
void NumericConverter::Adjust(int steps, int dir)
{
// It is possible and "valid" for steps to be zero if a
// high precision device is being used and wxWidgets supports
// reporting a higher precision...Mac wx3 does.
if (steps == 0)
return;
wxASSERT(dir == -1 || dir == 1);
wxASSERT(steps > 0);
if (steps < 0)