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https://github.com/dankamongmen/notcurses.git
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44 lines
855 B
C++
44 lines
855 B
C++
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#ifndef __NCPP_WIDGET_HH
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#define __NCPP_WIDGET_HH
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#include "Root.hh"
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#include "Plane.hh"
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namespace ncpp
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{
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class NCPP_API_EXPORT Widget : public Root
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{
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protected:
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explicit Widget (NotCurses *ncinst)
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: Root (ncinst)
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{}
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void ensure_valid_plane (Plane *plane) const
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{
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if (plane == nullptr)
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throw invalid_argument ("'plane' must be a valid pointer");
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ensure_valid_plane (*plane);
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}
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void ensure_valid_plane (Plane &plane) const
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{
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if (!plane.is_valid ())
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throw invalid_argument ("Invalid Plane object passed in 'plane'. Widgets must not reuse the same plane.");
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}
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void take_plane_ownership (Plane *plane) const
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{
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if (plane == nullptr)
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return;
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take_plane_ownership (*plane);
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}
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void take_plane_ownership (Plane &plane) const
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{
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plane.release_native_plane ();
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}
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};
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}
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#endif // __NCPP_WIDGET_HH
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