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#ifndef UI_H
#define UI_H
#include <stdbool.h>
#include <stdarg.h>
#include <termkey.h>
/* enable large file optimization for files larger than: */
#define UI_LARGE_FILE_SIZE (1 << 25)
/* enable large file optimization for files containing lines longer than: */
#define UI_LARGE_FILE_LINE_SIZE (1 << 16)
typedef struct Ui Ui;
typedef struct UiWin UiWin;
enum UiLayout {
UI_LAYOUT_HORIZONTAL,
UI_LAYOUT_VERTICAL,
};
enum UiOption {
UI_OPTION_NONE = 0,
UI_OPTION_LINE_NUMBERS_ABSOLUTE = 1 << 0,
UI_OPTION_LINE_NUMBERS_RELATIVE = 1 << 1,
UI_OPTION_SYMBOL_SPACE = 1 << 2,
UI_OPTION_SYMBOL_TAB = 1 << 3,
UI_OPTION_SYMBOL_TAB_FILL = 1 << 4,
UI_OPTION_SYMBOL_EOL = 1 << 5,
UI_OPTION_SYMBOL_EOF = 1 << 6,
UI_OPTION_CURSOR_LINE = 1 << 7,
UI_OPTION_STATUSBAR = 1 << 8,
UI_OPTION_ONELINE = 1 << 9,
UI_OPTION_LARGE_FILE = 1 << 10,
};
enum UiStyle {
UI_STYLE_LEXER_MAX = 64,
UI_STYLE_DEFAULT,
UI_STYLE_CURSOR,
UI_STYLE_CURSOR_PRIMARY,
UI_STYLE_CURSOR_LINE,
UI_STYLE_SELECTION,
UI_STYLE_LINENUMBER,
UI_STYLE_LINENUMBER_CURSOR,
UI_STYLE_COLOR_COLUMN,
UI_STYLE_STATUS,
UI_STYLE_STATUS_FOCUSED,
UI_STYLE_SEPARATOR,
UI_STYLE_INFO,
UI_STYLE_EOF,
UI_STYLE_MAX,
};
#if CONFIG_CURSES
typedef uint64_t CellAttr;
typedef short CellColor;
static inline bool cell_color_equal(CellColor c1, CellColor c2) {
return c1 == c2;
}
#else
typedef uint8_t CellAttr;
typedef struct {
uint8_t r, g, b;
uint8_t index;
} CellColor;
static inline bool cell_color_equal(CellColor c1, CellColor c2) {
if (c1.index != (uint8_t)-1 || c2.index != (uint8_t)-1)
return c1.index == c2.index;
return c1.r == c2.r && c1.g == c2.g && c1.b == c2.b;
}
#endif
typedef struct {
CellAttr attr;
CellColor fg, bg;
} CellStyle;
#include "vis.h"
#include "text.h"
#include "view.h"
struct Ui {
bool (*init)(Ui*, Vis*);
void (*free)(Ui*);
void (*resize)(Ui*);
UiWin* (*window_new)(Ui*, Win*, enum UiOption);
void (*window_free)(UiWin*);
void (*window_focus)(UiWin*);
void (*window_swap)(UiWin*, UiWin*);
void (*die)(Ui*, const char *msg, va_list ap) __attribute__((noreturn));
void (*info)(Ui*, const char *msg, va_list ap);
void (*info_hide)(Ui*);
void (*arrange)(Ui*, enum UiLayout);
void (*draw)(Ui*);
void (*redraw)(Ui*);
void (*suspend)(Ui*);
void (*resume)(Ui*);
bool (*getkey)(Ui*, TermKeyKey*);
void (*terminal_save)(Ui*);
void (*terminal_restore)(Ui*);
TermKey* (*termkey_get)(Ui*);
int (*colors)(Ui*);
};
struct UiWin {
CellStyle (*style_get)(UiWin*, enum UiStyle);
void (*status)(UiWin*, const char *txt);
void (*options_set)(UiWin*, enum UiOption);
enum UiOption (*options_get)(UiWin*);
bool (*style_define)(UiWin*, int id, const char *style);
int (*window_width)(UiWin*);
int (*window_height)(UiWin*);
};
bool is_default_color(CellColor c);
#endif
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