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st/st.h

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/* See LICENSE for license details. */
#include <stdint.h>
#include <time.h>
#include <sys/types.h>
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/Xft/Xft.h>
#include <X11/XKBlib.h>
#include "patches.h"
/* macros */
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) < (b) ? (b) : (a))
#define LEN(a) (sizeof(a) / sizeof(a)[0])
#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)
#if LIGATURES_PATCH
#define ATTRCMP(a, b) (((a).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) != ((b).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) || \
(a).fg != (b).fg || \
(a).bg != (b).bg)
#else
#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \
(a).bg != (b).bg)
#endif // LIGATURES_PATCH
#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))
#if SCROLLBACK_PATCH || REFLOW_PATCH
#define HISTSIZE 2000
#endif // SCROLLBACK_PATCH | REFLOW_PATCH
enum glyph_attribute {
ATTR_NULL = 0,
ATTR_SET = 1 << 0,
ATTR_BOLD = 1 << 1,
ATTR_FAINT = 1 << 2,
ATTR_ITALIC = 1 << 3,
ATTR_UNDERLINE = 1 << 4,
ATTR_BLINK = 1 << 5,
ATTR_REVERSE = 1 << 6,
ATTR_INVISIBLE = 1 << 7,
ATTR_STRUCK = 1 << 8,
ATTR_WRAP = 1 << 9,
ATTR_WIDE = 1 << 10,
ATTR_WDUMMY = 1 << 11,
#if SELECTION_COLORS_PATCH
ATTR_SELECTED = 1 << 12,
#endif // SELECTION_COLORS_PATCH | REFLOW_PATCH
#if BOXDRAW_PATCH
ATTR_BOXDRAW = 1 << 13,
#endif // BOXDRAW_PATCH
#if UNDERCURL_PATCH
ATTR_DIRTYUNDERLINE = 1 << 14,
#endif // UNDERCURL_PATCH
#if LIGATURES_PATCH
ATTR_LIGA = 1 << 15,
#endif // LIGATURES_PATCH
#if SIXEL_PATCH
ATTR_SIXEL = 1 << 16,
#endif // SIXEL_PATCH
#if KEYBOARDSELECT_PATCH && REFLOW_PATCH
ATTR_HIGHLIGHT = 1 << 17,
#endif // KEYBOARDSELECT_PATCH
ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
};
#if SIXEL_PATCH
typedef struct _ImageList {
struct _ImageList *next, *prev;
unsigned char *pixels;
void *pixmap;
void *clipmask;
int width;
int height;
int x;
int y;
#if REFLOW_PATCH
int reflow_y;
#endif // REFLOW_PATCH
int cols;
int cw;
int ch;
int transparent;
} ImageList;
#endif // SIXEL_PATCH
#if WIDE_GLYPHS_PATCH
enum drawing_mode {
DRAW_NONE = 0,
DRAW_BG = 1 << 0,
DRAW_FG = 1 << 1,
};
#endif // WIDE_GLYPHS_PATCH
/* Used to control which screen(s) keybindings and mouse shortcuts apply to. */
enum screen {
S_PRI = -1, /* primary screen */
S_ALL = 0, /* both primary and alt screen */
S_ALT = 1 /* alternate screen */
};
enum selection_mode {
SEL_IDLE = 0,
SEL_EMPTY = 1,
SEL_READY = 2
};
enum selection_type {
SEL_REGULAR = 1,
SEL_RECTANGULAR = 2
};
enum selection_snap {
SNAP_WORD = 1,
SNAP_LINE = 2
};
typedef unsigned char uchar;
typedef unsigned int uint;
typedef unsigned long ulong;
typedef unsigned short ushort;
typedef uint_least32_t Rune;
typedef XftDraw *Draw;
typedef XftColor Color;
typedef XftGlyphFontSpec GlyphFontSpec;
#define Glyph Glyph_
typedef struct {
Rune u; /* character code */
uint32_t mode; /* attribute flags */
uint32_t fg; /* foreground */
uint32_t bg; /* background */
#if UNDERCURL_PATCH
int ustyle; /* underline style */
int ucolor[3]; /* underline color */
#endif // UNDERCURL_PATCH
} Glyph;
typedef Glyph *Line;
#if LIGATURES_PATCH
typedef struct {
int ox;
int charlen;
int numspecs;
Glyph base;
} GlyphFontSeq;
#endif // LIGATURES_PATCH
typedef struct {
Glyph attr; /* current char attributes */
int x;
int y;
char state;
} TCursor;
/* Internal representation of the screen */
typedef struct {
int row; /* nb row */
int col; /* nb col */
#if COLUMNS_PATCH
int maxcol;
#endif // COLUMNS_PATCH
Line *line; /* screen */
Line *alt; /* alternate screen */
#if REFLOW_PATCH
Line hist[HISTSIZE]; /* history buffer */
int histi; /* history index */
int histf; /* nb history available */
int scr; /* scroll back */
int wrapcwidth[2]; /* used in updating WRAPNEXT when resizing */
#elif SCROLLBACK_PATCH
Line hist[HISTSIZE]; /* history buffer */
int histi; /* history index */
int histn; /* number of history entries */
int scr; /* scroll back */
#endif // SCROLLBACK_PATCH | REFLOW_PATCH
int *dirty; /* dirtyness of lines */
TCursor c; /* cursor */
int ocx; /* old cursor col */
int ocy; /* old cursor row */
int top; /* top scroll limit */
int bot; /* bottom scroll limit */
int mode; /* terminal mode flags */
int esc; /* escape state flags */
char trantbl[4]; /* charset table translation */
int charset; /* current charset */
int icharset; /* selected charset for sequence */
int *tabs;
#if SIXEL_PATCH
ImageList *images; /* sixel images */
ImageList *images_alt; /* sixel images for alternate screen */
#endif // SIXEL_PATCH
Rune lastc; /* last printed char outside of sequence, 0 if control */
} Term;
typedef union {
int i;
uint ui;
float f;
const void *v;
const char *s;
} Arg;
/* Purely graphic info */
typedef struct {
int tw, th; /* tty width and height */
int w, h; /* window width and height */
#if BACKGROUND_IMAGE_PATCH
int x, y; /* window location */
#endif // BACKGROUND_IMAGE_PATCH
#if ANYSIZE_PATCH
int hborderpx, vborderpx;
#endif // ANYSIZE_PATCH
int ch; /* char height */
int cw; /* char width */
#if VERTCENTER_PATCH
int cyo; /* char y offset */
#endif // VERTCENTER_PATCH
int mode; /* window state/mode flags */
int cursor; /* cursor style */
} TermWindow;
typedef struct {
Display *dpy;
Colormap cmap;
Window win;
Drawable buf;
GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
#if LIGATURES_PATCH
GlyphFontSeq *specseq;
#endif // LIGATURES_PATCH
Atom xembed, wmdeletewin, netwmname, netwmiconname, netwmpid;
#if FULLSCREEN_PATCH
Atom netwmstate, netwmfullscreen;
#endif // FULLSCREEN_PATCH
#if NETWMICON_PATCH || NETWMICON_LEGACY_PATCH || NETWMICON_FF_PATCH
Atom netwmicon;
#endif // NETWMICON_PATCH
struct {
XIM xim;
XIC xic;
XPoint spot;
XVaNestedList spotlist;
} ime;
Draw draw;
#if BACKGROUND_IMAGE_PATCH
GC bggc; /* Graphics Context for background */
#endif // BACKGROUND_IMAGE_PATCH
Visual *vis;
XSetWindowAttributes attrs;
#if HIDECURSOR_PATCH || OPENURLONCLICK_PATCH
/* Here, we use the term *pointer* to differentiate the cursor
* one sees when hovering the mouse over the terminal from, e.g.,
* a green rectangle where text would be entered. */
Cursor vpointer, bpointer; /* visible and hidden pointers */
int pointerisvisible;
#endif // HIDECURSOR_PATCH
#if OPENURLONCLICK_PATCH
Cursor upointer;
#endif // OPENURLONCLICK_PATCH
int scr;
int isfixed; /* is fixed geometry? */
#if ALPHA_PATCH
int depth; /* bit depth */
#endif // ALPHA_PATCH
int l, t; /* left and top offset */
int gm; /* geometry mask */
} XWindow;
typedef struct {
Atom xtarget;
char *primary, *clipboard;
struct timespec tclick1;
struct timespec tclick2;
} XSelection;
/* types used in config.h */
typedef struct {
uint mod;
KeySym keysym;
void (*func)(const Arg *);
const Arg arg;
int screen;
} Shortcut;
typedef struct {
uint mod;
uint button;
void (*func)(const Arg *);
const Arg arg;
uint release;
int screen;
} MouseShortcut;
typedef struct {
KeySym k;
uint mask;
char *s;
/* three-valued logic variables: 0 indifferent, 1 on, -1 off */
signed char appkey; /* application keypad */
signed char appcursor; /* application cursor */
} Key;
/* Font structure */
#define Font Font_
typedef struct {
int height;
int width;
int ascent;
int descent;
int badslant;
int badweight;
short lbearing;
short rbearing;
XftFont *match;
FcFontSet *set;
FcPattern *pattern;
} Font;
/* Drawing Context */
typedef struct {
Color *col;
size_t collen;
Font font, bfont, ifont, ibfont;
GC gc;
} DC;
void die(const char *, ...);
void redraw(void);
void draw(void);
void drawregion(int, int, int, int);
void tfulldirt(void);
void printscreen(const Arg *);
void printsel(const Arg *);
void sendbreak(const Arg *);
void toggleprinter(const Arg *);
int tattrset(int);
int tisaltscr(void);
void tnew(int, int);
void tresize(int, int);
void tsetdirtattr(int);
void ttyhangup(void);
int ttynew(const char *, char *, const char *, char **);
size_t ttyread(void);
void ttyresize(int, int);
void ttywrite(const char *, size_t, int);
void resettitle(void);
void selclear(void);
void selinit(void);
void selremove(void);
void selstart(int, int, int);
void selextend(int, int, int, int);
int selected(int, int);
char *getsel(void);
size_t utf8encode(Rune, char *);
void *xmalloc(size_t);
void *xrealloc(void *, size_t);
char *xstrdup(const char *);
int xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b);
#if BOXDRAW_PATCH
int isboxdraw(Rune);
ushort boxdrawindex(const Glyph *);
#ifdef XFT_VERSION
/* only exposed to x.c, otherwise we'll need Xft.h for the types */
void boxdraw_xinit(Display *, Colormap, XftDraw *, Visual *);
void drawboxes(int, int, int, int, XftColor *, XftColor *, const XftGlyphFontSpec *, int);
#endif // XFT_VERSION
#endif // BOXDRAW_PATCH
/* config.h globals */
extern char *utmp;
extern char *scroll;
extern char *stty_args;
extern char *vtiden;
extern wchar_t *worddelimiters;
#if KEYBOARDSELECT_PATCH && REFLOW_PATCH
extern wchar_t *kbds_sdelim;
extern wchar_t *kbds_ldelim;
#endif // KEYBOARDSELECT_PATCH
extern int allowaltscreen;
extern int allowwindowops;
extern char *termname;
extern unsigned int tabspaces;
extern unsigned int defaultfg;
extern unsigned int defaultbg;
extern unsigned int defaultcs;
#if EXTERNALPIPE_PATCH
extern int extpipeactive;
#endif // EXTERNALPIPE_PATCH
#if BOXDRAW_PATCH
extern const int boxdraw, boxdraw_bold, boxdraw_braille;
#endif // BOXDRAW_PATCH
#if ALPHA_PATCH
extern float alpha;
#if ALPHA_FOCUS_HIGHLIGHT_PATCH
extern float alphaUnfocused;
#endif // ALPHA_FOCUS_HIGHLIGHT_PATCH
#endif // ALPHA_PATCH
extern DC dc;
extern XWindow xw;
extern XSelection xsel;
extern TermWindow win;
extern Term term;
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