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