st.h

   1 /* See LICENSE for license details. */
   2
   3 /* Arbitrary sizes */
   4 #define UTF_SIZ       4
   5
   6 /* macros */
   7 #define MIN(a, b)               ((a) < (b) ? (a) : (b))
   8 #define MAX(a, b)               ((a) < (b) ? (b) : (a))
   9 #define LEN(a)                  (sizeof(a) / sizeof(a)[0])
  10 #define BETWEEN(x, a, b)        ((a) <= (x) && (x) <= (b))
  11 #define DIVCEIL(n, d)           (((n) + ((d) - 1)) / (d))
  12 #define DEFAULT(a, b)           (a) = (a) ? (a) : (b)
  13 #define LIMIT(x, a, b)          (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
  14 #define ATTRCMP(a, b)           ((a).mode != (b).mode || (a).fg != (b).fg || \
  15                                 (a).bg != (b).bg)
  16 #define IS_SET(flag)            ((term.mode & (flag)) != 0)
  17 #define TIMEDIFF(t1, t2)        ((t1.tv_sec-t2.tv_sec)*1000 + \
  18                                 (t1.tv_nsec-t2.tv_nsec)/1E6)
  19 #define MODBIT(x, set, bit)     ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
  20
  21 #define TRUECOLOR(r,g,b)        (1 << 24 | (r) << 16 | (g) << 8 | (b))
  22 #define IS_TRUECOL(x)           (1 << 24 & (x))
  23
  24 enum glyph_attribute {
  25         ATTR_NULL       = 0,
  26         ATTR_BOLD       = 1 << 0,
  27         ATTR_FAINT      = 1 << 1,
  28         ATTR_ITALIC     = 1 << 2,
  29         ATTR_UNDERLINE  = 1 << 3,
  30         ATTR_BLINK      = 1 << 4,
  31         ATTR_REVERSE    = 1 << 5,
  32         ATTR_INVISIBLE  = 1 << 6,
  33         ATTR_STRUCK     = 1 << 7,
  34         ATTR_WRAP       = 1 << 8,
  35         ATTR_WIDE       = 1 << 9,
  36         ATTR_WDUMMY     = 1 << 10,
  37         ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
  38 };
  39
  40 enum term_mode {
  41         MODE_WRAP        = 1 << 0,
  42         MODE_INSERT      = 1 << 1,
  43         MODE_APPKEYPAD   = 1 << 2,
  44         MODE_ALTSCREEN   = 1 << 3,
  45         MODE_CRLF        = 1 << 4,
  46         MODE_MOUSEBTN    = 1 << 5,
  47         MODE_MOUSEMOTION = 1 << 6,
  48         MODE_REVERSE     = 1 << 7,
  49         MODE_KBDLOCK     = 1 << 8,
  50         MODE_HIDE        = 1 << 9,
  51         MODE_ECHO        = 1 << 10,
  52         MODE_APPCURSOR   = 1 << 11,
  53         MODE_MOUSESGR    = 1 << 12,
  54         MODE_8BIT        = 1 << 13,
  55         MODE_BLINK       = 1 << 14,
  56         MODE_FBLINK      = 1 << 15,
  57         MODE_FOCUS       = 1 << 16,
  58         MODE_MOUSEX10    = 1 << 17,
  59         MODE_MOUSEMANY   = 1 << 18,
  60         MODE_BRCKTPASTE  = 1 << 19,
  61         MODE_PRINT       = 1 << 20,
  62         MODE_UTF8        = 1 << 21,
  63         MODE_SIXEL       = 1 << 22,
  64         MODE_MOUSE       = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
  65                           |MODE_MOUSEMANY,
  66 };
  67
  68 enum selection_mode {
  69         SEL_IDLE = 0,
  70         SEL_EMPTY = 1,
  71         SEL_READY = 2
  72 };
  73
  74 enum selection_type {
  75         SEL_REGULAR = 1,
  76         SEL_RECTANGULAR = 2
  77 };
  78
  79 enum selection_snap {
  80         SNAP_WORD = 1,
  81         SNAP_LINE = 2
  82 };
  83
  84 typedef unsigned char uchar;
  85 typedef unsigned int uint;
  86 typedef unsigned long ulong;
  87 typedef unsigned short ushort;
  88
  89 typedef uint_least32_t Rune;
  90
  91 #define Glyph Glyph_
  92 typedef struct {
  93         Rune u;           /* character code */
  94         ushort mode;      /* attribute flags */
  95         uint32_t fg;      /* foreground  */
  96         uint32_t bg;      /* background  */
  97 } Glyph;
  98
  99 typedef Glyph *Line;
 100
 101 typedef struct {
 102         Glyph attr; /* current char attributes */
 103         int x;
 104         int y;
 105         char state;
 106 } TCursor;
 107
 108 /* Internal representation of the screen */
 109 typedef struct {
 110         int row;      /* nb row */
 111         int col;      /* nb col */
 112         Line *line;   /* screen */
 113         Line *alt;    /* alternate screen */
 114         int *dirty;  /* dirtyness of lines */
 115         TCursor c;    /* cursor */
 116         int top;      /* top    scroll limit */
 117         int bot;      /* bottom scroll limit */
 118         int mode;     /* terminal mode flags */
 119         int esc;      /* escape state flags */
 120         char trantbl[4]; /* charset table translation */
 121         int charset;  /* current charset */
 122         int icharset; /* selected charset for sequence */
 123         int numlock; /* lock numbers in keyboard */
 124         int *tabs;
 125 } Term;
 126
 127 /* Purely graphic info */
 128 typedef struct {
 129         int tw, th; /* tty width and height */
 130         int w, h; /* window width and height */
 131         int ch; /* char height */
 132         int cw; /* char width  */
 133         char state; /* focus, redraw, visible */
 134         int cursor; /* cursor style */
 135 } TermWindow;
 136
 137 typedef struct {
 138         uint b;
 139         uint mask;
 140         char *s;
 141 } MouseShortcut;
 142
 143 typedef struct {
 144         int mode;
 145         int type;
 146         int snap;
 147         /*
 148          * Selection variables:
 149          * nb – normalized coordinates of the beginning of the selection
 150          * ne – normalized coordinates of the end of the selection
 151          * ob – original coordinates of the beginning of the selection
 152          * oe – original coordinates of the end of the selection
 153          */
 154         struct {
 155                 int x, y;
 156         } nb, ne, ob, oe;
 157
 158         char *primary, *clipboard;
 159         int alt;
 160         struct timespec tclick1;
 161         struct timespec tclick2;
 162
 163         //Atom xtarget;
 164 } Selection;
 165
 166 typedef union {
 167         int i;
 168         uint ui;
 169         float f;
 170         const void *v;
 171 } Arg;
 172
 173 typedef struct {
 174         uint mod;
 175         KeySym keysym;
 176         void (*func)(const Arg *);
 177         const Arg arg;
 178 } Shortcut;
 179
 180 typedef struct {
 181         KeySym k;
 182         uint mask;
 183         char *s;
 184         /* three valued logic variables: 0 indifferent, 1 on, -1 off */
 185         signed char appkey;    /* application keypad */
 186         signed char appcursor; /* application cursor */
 187         signed char crlf;      /* crlf mode          */
 188 } Key;
 189
 190 void die(const char *, ...);
 191 void redraw(void);
 192
 193 int tattrset(int);
 194 void tnew(int, int);
 195 void tresize(int, int);
 196 void tsetdirt(int, int);
 197 void tsetdirtattr(int);
 198 void ttynew(char *, char *, char **);
 199 size_t ttyread(void);
 200 void ttyresize(int, int);
 201 void ttysend(char *, size_t);
 202 void ttywrite(const char *, size_t);
 203
 204 void resettitle(void);
 205
 206 void selclear(void);
 207 void selinit(void);
 208 void selnormalize(void);
 209 int selected(int, int);
 210 char *getsel(void);
 211
 212 size_t utf8decode(const char *, Rune *, size_t);
 213 size_t utf8encode(Rune, char *);
 214
 215 void *xmalloc(size_t);
 216 void *xrealloc(void *, size_t);
 217 char *xstrdup(char *);
 218
 219 /* Globals */
 220 extern TermWindow win;
 221 extern Term term;
 222 extern Selection sel;
 223 extern int cmdfd;
 224 extern pid_t pid;
 225 extern int oldbutton;
 226
 227 /* config.h globals */
 228 extern char font[];
 229 extern int borderpx;
 230 extern float cwscale;
 231 extern float chscale;
 232 extern unsigned int doubleclicktimeout;
 233 extern unsigned int tripleclicktimeout;
 234 extern int allowaltscreen;
 235 extern unsigned int xfps;
 236 extern unsigned int actionfps;
 237 extern unsigned int cursorthickness;
 238 extern int bellvolume;
 239 extern unsigned int blinktimeout;
 240 extern char termname[];
 241 extern const char *colorname[];
 242 extern size_t colornamelen;
 243 extern unsigned int defaultfg;
 244 extern unsigned int defaultbg;
 245 extern unsigned int defaultcs;
 246 extern unsigned int defaultrcs;
 247 extern unsigned int cursorshape;
 248 extern unsigned int cols;
 249 extern unsigned int rows;
 250 extern unsigned int mouseshape;
 251 extern unsigned int mousefg;
 252 extern unsigned int mousebg;
 253 extern unsigned int defaultattr;
 254 extern MouseShortcut mshortcuts[];
 255 extern size_t mshortcutslen;
 256 extern Shortcut shortcuts[];
 257 extern size_t shortcutslen;
 258 extern KeySym mappedkeys[];
 259 extern size_t mappedkeyslen;
 260 extern uint ignoremod;
 261 extern uint forceselmod;
 262 extern Key key[];
 263 extern size_t keyslen;
 264 extern uint selmasks[];
 265 extern size_t selmaskslen;
 266 extern char ascii_printable[];