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#pragma once
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "nvim/api/private/defs.h"
/// Keep in sync with ui_ext_names[] in ui.h
typedef enum {
kUICmdline = 0,
kUIPopupmenu,
kUITabline,
kUIWildmenu,
kUIMessages,
#define kUIGlobalCount kUILinegrid
kUILinegrid,
kUIMultigrid,
kUIHlState,
kUITermColors,
kUIFloatDebug,
kUIExtCount,
} UIExtension;
enum {
kLineFlagWrap = 1,
kLineFlagInvalid = 2,
};
typedef int LineFlags;
typedef struct ui_t UI;
typedef struct {
uint64_t channel_id;
#define UI_BUF_SIZE 4096 ///< total buffer size for pending msgpack data.
/// guaranteed size available for each new event (so packing of simple events
/// and the header of grid_line will never fail)
#define EVENT_BUF_SIZE 256
char buf[UI_BUF_SIZE]; ///< buffer of packed but not yet sent msgpack data
char *buf_wptr; ///< write head of buffer
const char *cur_event; ///< name of current event (might get multiple arglists)
Array call_buf; ///< buffer for constructing a single arg list (max 16 elements!)
// state for write_cb, while packing a single arglist to msgpack. This
// might fail due to buffer overflow.
size_t pack_totlen;
bool buf_overflow;
char *temp_buf;
// We start packing the two outermost msgpack arrays before knowing the total
// number of elements. Thus track the location where array size will need
// to be written in the msgpack buffer, once the specific array is finished.
char *nevents_pos;
char *ncalls_pos;
uint32_t nevents; ///< number of distinct events (top-level args to "redraw"
uint32_t ncalls; ///< number of calls made to the current event (plus one for the name!)
bool flushed_events; ///< events where sent to client without "flush" event
size_t ncells_pending; ///< total number of cells since last buffer flush
int hl_id; // Current highlight for legacy put event.
Integer cursor_row, cursor_col; // Intended visible cursor position.
// Position of legacy cursor, used both for drawing and visible user cursor.
Integer client_row, client_col;
bool wildmenu_active;
} UIData;
struct ui_t {
bool rgb;
bool override; ///< Force highest-requested UI capabilities.
bool composed;
bool ui_ext[kUIExtCount]; ///< Externalized UI capabilities.
int width;
int height;
int pum_nlines; /// actual nr. lines shown in PUM
bool pum_pos; /// UI reports back pum position?
double pum_row;
double pum_col;
double pum_height;
double pum_width;
// TUI fields.
char *term_name;
char *term_background; ///< Deprecated. No longer needed since background color detection happens
///< in Lua. To be removed in a future release.
int term_colors;
bool stdin_tty;
bool stdout_tty;
// TODO(bfredl): integrate into struct!
UIData data[1];
};
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