mirror of
https://github.com/dankamongmen/notcurses.git
synced 2024-11-02 09:40:15 +00:00
328 lines
7.5 KiB
C++
328 lines
7.5 KiB
C++
#ifndef __NCPP_NOTCURSES_HH
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#define __NCPP_NOTCURSES_HH
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#include <cstdio>
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#include <ctime>
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#include <csignal>
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#include <mutex>
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#include <notcurses/notcurses.h>
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#include "CellStyle.hh"
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#include "NCKey.hh"
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#include "NCLogLevel.hh"
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#include "Palette256.hh"
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#include "Plane.hh"
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#include "Root.hh"
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#include "_helpers.hh"
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namespace ncpp
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{
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class NCPP_API_EXPORT NotCurses : public Root
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{
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public:
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static notcurses_options default_notcurses_options;
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public:
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explicit NotCurses (FILE *fp = nullptr)
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: NotCurses (default_notcurses_options, fp)
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{}
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explicit NotCurses (const notcurses_options &nc_opts, FILE *fp = nullptr);
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// Must not move or copy a NotCurses instance because we have no way to guarantee validity of any other copy
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// when even a single instance is destructed as that operation would close notcurses.
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NotCurses (const NotCurses &other) = delete;
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NotCurses (NotCurses &&other) = delete;
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~NotCurses ();
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operator notcurses* () noexcept
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{
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return nc;
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}
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operator notcurses const* () const noexcept
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{
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return nc;
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}
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static NotCurses& get_instance ()
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{
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if (_instance == nullptr)
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throw invalid_state_error ("NotCurses instance not found.");
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if (_instance->nc == nullptr)
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throw invalid_state_error (ncpp_invalid_state_message);
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return *_instance;
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}
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static bool is_notcurses_stopped (const NotCurses *ncinst = nullptr)
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{
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if (ncinst != nullptr)
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return ncinst->nc == nullptr;
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return *_instance == nullptr || _instance->nc == nullptr;
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}
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static const char* ncmetric (uintmax_t val, uintmax_t decimal, char *buf, int omitdec, unsigned mult, int uprefix) noexcept
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{
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return ::ncmetric (val, decimal, buf, omitdec, mult, uprefix);
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}
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static const char* qprefix (uintmax_t val, uintmax_t decimal, char *buf, int omitdec) noexcept
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{
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return ::qprefix (val, decimal, buf, omitdec);
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}
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static const char* iprefix (uintmax_t val, uintmax_t decimal, char *buf, int omitdec) noexcept
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{
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return ::iprefix (val, decimal, buf, omitdec);
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}
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static const char* bprefix (uintmax_t val, uintmax_t decimal, char *buf, int omitdec) noexcept
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{
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return ::bprefix (val, decimal, buf, omitdec);
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}
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static const char* version () noexcept
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{
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return notcurses_version ();
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}
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static void version_components (int* major, int* minor, int* patch, int* tweak) noexcept
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{
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notcurses_version_components (major, minor, patch, tweak);
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}
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static const char* str_blitter (ncblitter_e blitter) noexcept
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{
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return notcurses_str_blitter (blitter);
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}
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static const char* str_scalemode (ncscale_e scalemode) noexcept
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{
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return notcurses_str_scalemode (scalemode);
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}
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static bool lex_margins (const char* op, notcurses_options* opts) NOEXCEPT_MAYBE
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{
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return error_guard (notcurses_lex_margins (op, opts), -1);
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}
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static bool lex_blitter (const char* op, ncblitter_e* blitter) NOEXCEPT_MAYBE
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{
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return error_guard (notcurses_lex_blitter (op, blitter), -1);
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}
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static bool lex_scalemode (const char* op, ncscale_e* scalemode) NOEXCEPT_MAYBE
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{
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return error_guard (notcurses_lex_scalemode (op, scalemode), -1);
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}
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bool stop ();
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bool can_utf8 () const noexcept
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{
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return notcurses_canutf8 (nc);
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}
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bool can_fade () const noexcept
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{
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return notcurses_canfade (nc);
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}
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bool can_open_images () const noexcept
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{
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return notcurses_canopen_images (nc);
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}
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bool can_open_videos () const noexcept
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{
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return notcurses_canopen_videos (nc);
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}
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bool can_change_color () const noexcept
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{
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return notcurses_canchangecolor (nc);
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}
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bool can_truecolor () const noexcept
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{
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return notcurses_cantruecolor (nc);
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}
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int cursor_enable (int y, int x) const NOEXCEPT_MAYBE
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{
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return error_guard (notcurses_cursor_enable (nc, y, x), -1);
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}
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int cursor_disable () const NOEXCEPT_MAYBE
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{
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return error_guard (notcurses_cursor_disable (nc), -1);
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}
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void get_stats (ncstats *stats) const noexcept
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{
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if (stats == nullptr)
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return;
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notcurses_stats (nc, stats);
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}
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void reset_stats (ncstats *stats) const
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{
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if (stats == nullptr)
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throw invalid_argument ("'stats' must be a valid pointer");
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notcurses_stats_reset (nc, stats);
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}
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bool use (const Palette256 *p) const
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{
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if (p == nullptr)
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throw invalid_argument ("'p' must be a valid pointer");
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return use (*p);
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}
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bool use (const Palette256 &p) const NOEXCEPT_MAYBE
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{
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return error_guard (palette256_use (nc, reinterpret_cast<const palette256*>(&p)), -1);
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}
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bool render () const NOEXCEPT_MAYBE
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{
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return error_guard (notcurses_render (nc), -1);
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}
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bool render_to_buffer (char** buf, size_t* buflen) const NOEXCEPT_MAYBE
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{
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return error_guard (notcurses_render_to_buffer (nc, buf, buflen), -1);
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}
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bool render_to_file (FILE* fp) const NOEXCEPT_MAYBE
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{
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return error_guard (notcurses_render_to_file (nc, fp), -1);
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}
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void get_term_dim (int *rows, int *cols) const noexcept
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{
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notcurses_term_dim_yx (nc, rows, cols);
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}
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void get_term_dim (int &rows, int &cols) const noexcept
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{
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get_term_dim (&rows, &cols);
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}
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bool refresh (int* rows, int* cols) const NOEXCEPT_MAYBE
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{
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return error_guard (notcurses_refresh (nc, rows, cols), -1);
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}
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bool refresh (int& rows, int& cols) const NOEXCEPT_MAYBE
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{
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return refresh (&rows, &cols);
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}
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unsigned get_palette_size () const noexcept
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{
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return notcurses_palette_size (static_cast<const notcurses*> (nc));
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}
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bool mouse_enable () const NOEXCEPT_MAYBE
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{
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return error_guard (notcurses_mouse_enable (nc), -1);
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}
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bool mouse_disable () const NOEXCEPT_MAYBE
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{
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return error_guard (notcurses_mouse_disable (nc), -1);
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}
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CellStyle get_supported_styles () const noexcept
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{
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return static_cast<CellStyle>(notcurses_supported_styles (nc));
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}
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char32_t getc (const timespec *ts, sigset_t *sigmask = nullptr, ncinput *ni = nullptr) const noexcept
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{
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return notcurses_getc (nc, ts, sigmask, ni);
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}
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char32_t getc (bool blocking = false, ncinput *ni = nullptr) const noexcept
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{
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if (blocking)
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return notcurses_getc_blocking (nc, ni);
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return notcurses_getc_nblock (nc, ni);
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}
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char* get_at (int yoff, int xoff, uint16_t* attr, uint64_t* channels) const noexcept
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{
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return notcurses_at_yx (nc, yoff, xoff, attr, channels);
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}
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int get_inputready_fd () const noexcept
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{
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return notcurses_inputready_fd (nc);
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}
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void drop_planes () const noexcept
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{
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notcurses_drop_planes (nc);
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}
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void debug (FILE *debugfp) const noexcept
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{
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notcurses_debug (nc, debugfp);
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}
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bool align (int availcols, ncalign_e align, int cols) const NOEXCEPT_MAYBE
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{
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return error_guard (notcurses_align (availcols, align, cols), -INT_MAX);
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}
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ncstats* stats_alloc () const noexcept
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{
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return notcurses_stats_alloc (nc);
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}
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static bool ucs32_to_utf8 (const char32_t *ucs32, unsigned ucs32count, unsigned char *resultbuf, size_t buflen) NOEXCEPT_MAYBE
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{
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return error_guard (notcurses_ucs32_to_utf8 (ucs32, ucs32count, resultbuf, buflen), -1);
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}
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Plane* get_stdplane () noexcept
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{
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return new Plane (notcurses_stdplane (nc), true);
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}
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Plane* get_stdplane (int *y, int *x)
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{
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if (y == nullptr)
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throw invalid_argument ("'y' must be a valid pointer");
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if (x == nullptr)
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throw invalid_argument ("'x' must be a valid pointer");
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return get_stdplane (*y, *x);
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}
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Plane* get_stdplane (int &y, int &x) noexcept
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{
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return new Plane (notcurses_stddim_yx (nc, &y, &x));
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}
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Plane* get_top () noexcept;
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Plane* get_bottom () noexcept;
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private:
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notcurses *nc;
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static NotCurses *_instance;
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static std::mutex init_mutex;
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};
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}
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#endif
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