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108 lines
3.7 KiB
Markdown
108 lines
3.7 KiB
Markdown
% notcurses_panelreels(3)
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% nick black <nickblack@linux.com>
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% v1.0.0
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# NAME
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notcurses_panelreels - high-level widget for hierarchal data
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# SYNOPSIS
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**#include <notcurses.h>**
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```c
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typedef struct panelreel_options {
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// require this many rows and columns (including borders).
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// otherwise, a message will be displayed stating that a
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// larger terminal is necessary, and input will be queued.
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// if 0, no minimum will be enforced. may not be negative.
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// note that panelreel_create() does not return error if
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// given a WINDOW smaller than these minima; it instead
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// patiently waits for the screen to get bigger.
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int min_supported_cols;
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int min_supported_rows;
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// use no more than this many rows and columns (including
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// borders). may not be less than the corresponding minimum.
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// 0 means no maximum.
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int max_supported_cols;
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int max_supported_rows;
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// desired offsets within the surrounding WINDOW (top right
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// bottom left) upon creation / resize. a panelreel_move()
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// operation updates these.
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int toff, roff, boff, loff;
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// is scrolling infinite (can one move down or up forever, or is
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// an end reached?). if true, 'circular' specifies how to handle
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// the special case of an incompletely-filled reel.
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bool infinitescroll;
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// is navigation circular (does moving down from the last panel
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// move to the first, and vice versa)? only meaningful when
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// infinitescroll is true. if infinitescroll is false, this must
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// be false.
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bool circular;
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// notcurses can draw a border around the panelreel, and also
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// around the component tablets. inhibit borders by setting all
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// valid bits in the masks. partially inhibit borders by setting
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// individual bits in the masks. the appropriate attr and pair
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// values will be used to style the borders. focused and
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// non-focused tablets can have different styles. you can instead
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// draw your own borders, or forgo borders entirely.
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unsigned bordermask; // bitfield; 1s will not be drawn
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uint64_t borderchan; // attributes used for panelreel border
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unsigned tabletmask; // bitfield for tablet borders
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uint64_t tabletchan; // tablet border styling channel
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uint64_t focusedchan;// focused tablet border styling channel
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uint64_t bgchannel; // background colors
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} panelreel_options;
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```
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**struct panelreel* panelreel_create(struct ncplane* nc,
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const panelreel_options* popts,
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int efd);**
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**struct ncplane* panelreel_plane(struct panelreel* pr);**
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**typedef int (*tabletcb)(struct tablet* t, int begx, int begy, int maxx,
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int maxy, bool cliptop);**
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**struct tablet* panelreel_add(struct panelreel* pr, struct tablet* after,
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struct tablet* before, tabletcb cb,
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void* opaque);**
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**int panelreel_tabletcount(const struct panelreel* pr);**
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**int panelreel_touch(struct panelreel* pr, struct tablet* t);**
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**int panelreel_del(struct panelreel* pr, struct tablet* t);**
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**int panelreel_del_focused(struct panelreel* pr);**
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**int panelreel_move(struct panelreel* pr, int x, int y);**
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**int panelreel_redraw(struct panelreel* pr);**
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**struct tablet* panelreel_focused(struct panelreel* pr);**
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**struct tablet* panelreel_next(struct panelreel* pr);**
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**struct tablet* panelreel_prev(struct panelreel* pr);**
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**int panelreel_destroy(struct panelreel* pr);**
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**void* tablet_userptr(struct tablet* t);**
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**const void* tablet_userptr_const(const struct tablet* t);**
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**struct ncplane* tablet_ncplane(struct tablet* t);**
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**const struct ncplane* tablet_ncplane_const(const struct tablet* t);**
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# DESCRIPTION
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# RETURN VALUES
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# SEE ALSO
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**notcurses(3)**, **notcurses_ncplane(3)**
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