diff options
Diffstat (limited to 'src/widget_type.h')
-rw-r--r-- | src/widget_type.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/widget_type.h b/src/widget_type.h index fca5f3c56..29cb13acd 100644 --- a/src/widget_type.h +++ b/src/widget_type.h @@ -486,6 +486,22 @@ private: }; /** + * Return the biggest possible size of a nested widget. + * @param base Base size of the widget. + * @param max_space Available space for the widget. + * @param step Stepsize of the widget. + * @return Biggest possible size of the widget, assuming that \a base may only be incremented by \a step size steps. + */ +static FORCEINLINE uint ComputeMaxSize(uint base, uint max_space, uint step) +{ + if (base >= max_space || step == 0) return base; + if (step == 1) return max_space; + uint increment = max_space - base; + increment -= increment % step; + return base + increment; +} + +/** * @defgroup NestedWidgetParts Hierarchical widget parts * To make nested widgets easier to enter, nested widget parts have been created. They allow the tree to be defined in a flat array of parts. * |