notcurses/doc/man/man3/notcurses_reel.3.md

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% notcurses_reel(3)
% nick black <nickblack@linux.com>
2020-08-16 14:06:33 +00:00
% v1.6.14
# NAME
notcurses_reel - high-level widget for hierarchical data
# SYNOPSIS
**#include <notcurses/notcurses.h>**
```c
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#define NCREEL_OPTION_INFINITESCROLL 0x0001
#define NCREEL_OPTION_CIRCULAR 0x0002
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typedef struct ncreel_options {
// notcurses can draw a border around the ncreel, and also
// around the component tablets. inhibit borders by setting all
// valid bits in the masks. partially inhibit borders by setting
// individual bits in the masks. the appropriate attr and pair
// values will be used to style the borders. focused and
// non-focused tablets can have different styles. you can instead
// draw your own borders, or forgo borders entirely.
unsigned bordermask; // bitfield; 1s will not be drawn
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uint64_t borderchan; // attributes used for ncreel border
unsigned tabletmask; // bitfield for tablet borders
uint64_t tabletchan; // tablet border styling channel
uint64_t focusedchan;// focused tablet border styling channel
uint64_t bgchannel; // background colors
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unsigned flags; // bitfield over NCREEL_OPTION_*
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} ncreel_options;
```
Tons of work on ncreel (#776) Tons of work on ncreel (#627, #749, #694) Improve reel demo: get input wired up once more, avoid the FPS demo at bottom, print pointer and line count in each tablet, use new ncreel API. Improve notcurses-ncreel explorer: kill memory leaks (#694), draw tablets better, use new ncreel API. Fix bug in ncreel core where cruft could be left on the screen, via a very gross brute force algorithm. I'll likely come back and make this a bit less ghastly in the future #749. Remove weird one-off input system from ncreel, residue from outcurses. Make some of the normalizing changes speced out in #627 * ncreel: give each tablet an index, and print it #749 * reel: eliminate FIXME + param to insert_tabler() #749 * ncreel: label tablets with their adress to correlate against debugging logs #749 * more terminal environment variable notes * TERMS.md: add Sakura, st * ncreel: move legend out of reel proper * ncreel_options: dump min/max_supported_rows/cols #627 * ncreel: remove weird one-off input layer #627 * ncreel: add ncreel_offer_input() * reel demo: call demo_getc() * reel demo: rig up input to demo main * ncreel: drop ncreel_del_focused(), properly bind tablets * reel demo: don't free up necessary plane * ncreel: don't pull absolute locations of tablets * ncreel: place tablets correctly in boundrel * reel demo: add back support for left/right * reel demo: restore thread movement * ncreel: remove a great deal of complexity * reel demo: stay out of FPS graph's way * ncreel: give each tablet an index, and print it #749 * reel: eliminate FIXME + param to insert_tabler() #749 * ncreel: label tablets with their adress to correlate against debugging logs #749 * ncreel: move legend out of reel proper * ncreel_options: dump min/max_supported_rows/cols #627 * ncreel: remove weird one-off input layer #627 * ncreel: add ncreel_offer_input() * reel demo: call demo_getc() * reel demo: rig up input to demo main * ncreel: drop ncreel_del_focused(), properly bind tablets * reel demo: don't free up necessary plane * ncreel: don't pull absolute locations of tablets * ncreel: place tablets correctly in boundrel * reel demo: add back support for left/right * reel demo: restore thread movement * ncreel: remove a great deal of complexity * reel demo: stay out of FPS graph's way * reel: tighten up reel following redraw * reel: fix upper-left corner of topless perimeter * ncreel: print linecount, return clipped value * reel: draw focused tablet relative to reel * reel: brute force decruftification, how embarrassing #749
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**struct ncreel* ncreel_create(struct ncplane* nc, const ncreel_options* popts);**
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**struct ncplane* ncreel_plane(struct ncreel* nr);**
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**typedef int (*tabletcb)(struct nctablet* t, bool cliptop);**
**struct nctablet* ncreel_add(struct ncreel* nr, struct nctablet* after, struct nctablet* before, tabletcb cb, void* opaque);**
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**int ncreel_tabletcount(const struct ncreel* nr);**
**int ncreel_del(struct ncreel* nr, struct nctablet* t);**
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**int ncreel_redraw(struct ncreel* nr);**
**struct nctablet* ncreel_focused(struct ncreel* nr);**
**struct nctablet* ncreel_next(struct ncreel* nr);**
**struct nctablet* ncreel_prev(struct ncreel* nr);**
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**int ncreel_destroy(struct ncreel* nr);**
**void* nctablet_userptr(struct nctablet* t);**
**struct ncplane* nctablet_ncplane(struct nctablet* t);**
# DESCRIPTION
# RETURN VALUES
# SEE ALSO
**notcurses(3)**,
**notcurses_plane(3)**