CGUISpinBox range does now also use decimal places to avoid getting endless...

CGUISpinBox range does now also use decimal places to avoid getting endless loops in setValue/verifyValueRange.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@3902 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IGUISpinBox.h

@@ -50,6 +50,7 @@ namespace gui
 		virtual void setStepSize(f32 step=1.f) = 0;
 
 		//! Sets the number of decimal places to display.
+		//! Note that this also rounds the range to the same number of decimal places.
 		/** \param places: The number of decimal places to display, use -1 to reset */
 		virtual void setDecimalPlaces(s32 places) = 0;
 

source/Irrlicht/CGUISpinBox.cpp

@@ -133,6 +133,14 @@ void CGUISpinBox::setRange(f32 min, f32 max)
 		core::swap(min, max);
 	RangeMin = min;
 	RangeMax = max;
+
+	// we have to round the range - otherwise we can get into an infinte setValue/verifyValueRange cycle.
+	wchar_t str[100];
+	swprintf(str, 99, FormatString.c_str(), RangeMin);
+	RangeMin = core::fast_atof(core::stringc(str).c_str());
+	swprintf(str, 99, FormatString.c_str(), RangeMax);
+	RangeMax = core::fast_atof(core::stringc(str).c_str());
+
 	verifyValueRange();
 }
 
@@ -173,6 +181,7 @@ void CGUISpinBox::setDecimalPlaces(s32 places)
 		FormatString += places;
 		FormatString += "f";
 	}
+	setRange( RangeMin, RangeMax );
 	setValue(getValue());
 }
 

source/Irrlicht/CGUISpinBox.h

@@ -72,6 +72,7 @@ namespace gui
 		virtual const wchar_t* getText() const;
 
 		//! Sets the number of decimal places to display.
+		//! Note that this also rounds the range to the same number of decimal places.
 		/** \param places: The number of decimal places to display, use -1 to reset */
 		virtual void setDecimalPlaces(s32 places);