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/* See LICENSE for license details. */
#pragma once
#include <u.h>
#include <libn.h>
#include <errno.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <sys/select.h>
#include <sys/types.h>
#include <sys/wait.h>
// -----------------------------------------------------------------------
// macros
#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d))
#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
#define GLYPHCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \
(a).bg != (b).bg)
#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \
(t1.tv_nsec-t2.tv_nsec)/1E6)
#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
#define IS_TRUECOL(x) (1 << 24 & (x))
#define iota(x) 1 << (x)
// -----------------------------------------------------------------------
// constants
enum {
Gnil,
Gbold = iota(0),
Gfaint = iota(1),
Gitalic = iota(2),
Gunline = iota(3),
Gblink = iota(4),
Greverse = iota(5),
Ginvisible = iota(6),
Gstruck = iota(7),
Gwrap = iota(8),
Gwide = iota(9),
Gwdummy = iota(10),
Gboldfaint = Gbold | Gfaint,
};
enum {
SelIdle = 0,
SelEmpty = 1,
SelReady = 2
};
enum {
SelRegular = 1,
SelRectangular = 2
};
enum {
SnapWord = 1,
SnapLine = 2
};
enum win_mode {
Wvisible = 1 << 0,
Wfocused = 1 << 1,
Wappkeypad = 1 << 2,
Wmousebtn = 1 << 3,
Wmousemotion = 1 << 4,
Wreverse = 1 << 5,
Wkbdblock = 1 << 6,
Whide = 1 << 7,
Wappcursor = 1 << 8,
Wmousesgr = 1 << 9,
W8bit = 1 << 10,
Wblink = 1 << 11,
Wbflink = 1 << 12,
Wfocus = 1 << 13,
Wmousex10 = 1 << 14,
Wmousemany = 1 << 15,
Wbrcktpaste = 1 << 16,
Wnumlock = 1 << 17,
Wmouse = Wmousebtn|Wmousemotion|Wmousex10|Wmousemany,
};
// -----------------------------------------------------------------------
// types
typedef struct Letter Letter;
struct Letter {
rune u; /* character code */
ushort mode; /* attribute flags */
uint32_t fg; /* foreground */
uint32_t bg; /* background */
};
typedef Letter *Line;
typedef union {
int i;
uint ui;
float f;
void *v;
char *s;
} Arg;
void xbell(void);
void xclipcopy(void);
void xdrawcursor(int, int, Letter, int, int, Letter);
void xdrawline(Line, int, int, int);
void xfinishdraw(void);
void xloadcols(void);
int xsetcolorname(int, char *);
void xsettitle(char *);
int xsetcursor(int);
void xsetmode(int, uint);
void xsetpointermotion(int);
void xsetsel(char *);
int xstartdraw(void);
void xximspot(int, int);
void die( char *, ...);
void redraw(void);
void draw(void);
void printscreen(Arg *);
void printsel(Arg *);
void sendbreak(Arg *);
void toggleprinter(Arg *);
int tattrset(int);
void tnew(int, int);
void tresize(int, int);
void tsetdirtattr(int);
void ttyhangup(void);
int ttynew(char *, char *, char *, char **);
size_t ttyread(void);
void ttyresize(int, int);
void ttywrite( char *, size_t, int);
void resettitle(void);
void selclear(void);
void selinit(void);
void selstart(int, int, int);
void selextend(int, int, int, int);
int selected(int, int);
char *getsel(void);
void *xmalloc(size_t);
void *xrealloc(void *, size_t);
char *xstrdup(char *);
/* config.h globals */
extern char *utmp;
extern char *scroll;
extern char *stty_args;
extern char *vtiden;
extern wchar_t *worddelimiters;
extern int allowaltscreen;
extern int allowwindowops;
extern char *termname;
extern unsigned int tabspaces;
extern unsigned int defaultfg;
extern unsigned int defaultbg;
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