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73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
#ifndef __NCPP_READER_HH
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#define __NCPP_READER_HH
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#include <notcurses/notcurses.h>
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#include "NCAlign.hh"
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#include "Plane.hh"
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#include "Utilities.hh"
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namespace ncpp
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{
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class NCPP_API_EXPORT Reader : public Root
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{
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public:
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explicit Reader (Plane *p, int y, int x, const ncreader_options *opts)
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: Reader (static_cast<const Plane*>(p), y, x, opts)
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{}
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explicit Reader (Plane const* p, int y, int x, const ncreader_options *opts)
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: Root (Utilities::get_notcurses_cpp (p))
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{
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if (p == nullptr)
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throw invalid_argument ("'plane' must be a valid pointer");
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common_init (Utilities::to_ncplane (p), y, x, opts);
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}
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explicit Reader (Plane &p, int y, int x, const ncreader_options *opts)
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: Reader (static_cast<Plane const&>(p), y, x, opts)
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{}
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explicit Reader (Plane const& p, int y, int x, const ncreader_options *opts)
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: Root (Utilities::get_notcurses_cpp (p))
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{
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common_init (Utilities::to_ncplane (p), y, x, opts);
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}
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~Reader ()
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{
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if (!is_notcurses_stopped ())
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ncreader_destroy (reader, nullptr);
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}
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bool clear () const NOEXCEPT_MAYBE
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{
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bool ret = ncreader_clear (reader) != 0;
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return error_guard_cond<bool, bool> (ret, ret);
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}
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char* get_contents () const noexcept
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{
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return ncreader_contents(reader);
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}
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Plane* get_plane () const noexcept
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{
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return Plane::map_plane (ncreader_plane (reader));
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}
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private:
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void common_init (ncplane *n, int y, int x, const ncreader_options *opts)
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{
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reader = ncreader_create (n, y, x, opts);
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if (reader == nullptr)
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throw init_error ("Notcurses failed to create a new reader");
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}
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private:
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ncreader *reader;
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};
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}
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#endif
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