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146 lines
3.2 KiB
C++
146 lines
3.2 KiB
C++
#ifndef __NCPP_REEL_HH
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#define __NCPP_REEL_HH
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#include <memory>
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#include <notcurses/notcurses.h>
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#include "Tablet.hh"
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#include "Plane.hh"
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#include "Utilities.hh"
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#include "Widget.hh"
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namespace ncpp
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{
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class NCPP_API_EXPORT NcReel : public Widget
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{
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public:
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static ncreel_options default_options;
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explicit NcReel (Plane &plane, const ncreel_options *popts = nullptr)
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: Widget (Utilities::get_notcurses_cpp (plane))
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{
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ensure_valid_plane (plane);
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common_init (Utilities::to_ncplane (plane), popts);
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take_plane_ownership (plane);
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}
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explicit NcReel (Plane *plane, const ncreel_options *popts = nullptr)
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: Widget (Utilities::get_notcurses_cpp (plane))
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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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common_init (Utilities::to_ncplane (plane), popts);
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take_plane_ownership (plane);
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}
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~NcReel ()
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{
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if (!is_notcurses_stopped ())
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ncreel_destroy (reel);
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}
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operator ncreel* () const noexcept
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{
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return reel;
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}
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operator ncreel const* () const noexcept
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{
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return reel;
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}
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// TODO: add an overload using callback that takes NcTablet instance instead of struct tablet
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NcTablet* add (NcTablet *after, NcTablet *before, tabletcb cb, void *opaque = nullptr) const
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{
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nctablet *t = ncreel_add (reel, get_tablet (after), get_tablet (before), cb, opaque);
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if (t == nullptr)
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throw init_error ("Notcurses failed to create a new tablet");
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return NcTablet::map_tablet (t, get_notcurses_cpp ());
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}
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NcTablet* add (NcTablet &after, NcTablet &before, tabletcb cb, void *opaque = nullptr) const noexcept
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{
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return add (&after, &before, cb, opaque);
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}
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int get_tabletcount () const noexcept
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{
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return ncreel_tabletcount (reel);
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}
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bool del (NcTablet *t) const NOEXCEPT_MAYBE
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{
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return error_guard (ncreel_del (reel, get_tablet (t)), -1);
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}
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bool del (NcTablet &t) const NOEXCEPT_MAYBE
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{
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return del (&t);
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}
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bool redraw () const NOEXCEPT_MAYBE
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{
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return error_guard (ncreel_redraw (reel), -1);
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}
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NcTablet* get_focused () const noexcept
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{
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nctablet *t = ncreel_focused (reel);
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if (t == nullptr)
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return nullptr;
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return NcTablet::map_tablet (t, get_notcurses_cpp ());
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}
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NcTablet* next () const noexcept
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{
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nctablet *t = ncreel_next (reel);
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if (t == nullptr)
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return nullptr;
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return NcTablet::map_tablet (t, get_notcurses_cpp ());
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}
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NcTablet* prev () const noexcept
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{
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nctablet *t = ncreel_prev (reel);
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if (t == nullptr)
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return nullptr;
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return NcTablet::map_tablet (t, get_notcurses_cpp ());
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}
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bool offer_input (const struct ncinput* nci) const NOEXCEPT_MAYBE
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{
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return error_guard<bool, bool> (ncreel_offer_input (reel, nci), false);
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}
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Plane* get_plane () const noexcept;
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private:
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nctablet* get_tablet (NcTablet *t) const noexcept
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{
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if (t == nullptr)
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return nullptr;
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return t->get_tablet ();
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}
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void common_init (ncplane *plane, const ncreel_options *popts = nullptr)
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{
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reel = ncreel_create (plane, popts == nullptr ? &default_options : popts);
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if (reel == nullptr)
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throw init_error ("Notcurses failed to create a new ncreel");
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}
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private:
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ncreel *reel = nullptr;
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friend class Plane;
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};
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}
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#endif
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