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 enum window_state {
  84         WIN_VISIBLE = 1,
  85         WIN_FOCUSED = 2
  86 };
  87
  88 typedef unsigned char uchar;
  89 typedef unsigned int uint;
  90 typedef unsigned long ulong;
  91 typedef unsigned short ushort;
  92
  93 typedef uint_least32_t Rune;
  94
  95 typedef struct {
  96         Rune u;           /* character code */
  97         ushort mode;      /* attribute flags */
  98         uint32_t fg;      /* foreground  */
  99         uint32_t bg;      /* background  */
 100 } Glyph;
 101
 102 typedef Glyph *Line;
 103
 104 typedef struct {
 105         Glyph attr; /* current char attributes */
 106         int x;
 107         int y;
 108         char state;
 109 } TCursor;
 110
 111 /* Internal representation of the screen */
 112 typedef struct {
 113         int row;      /* nb row */
 114         int col;      /* nb col */
 115         Line *line;   /* screen */
 116         Line *alt;    /* alternate screen */
 117         int *dirty;  /* dirtyness of lines */
 118         GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
 119         TCursor c;    /* cursor */
 120         int top;      /* top    scroll limit */
 121         int bot;      /* bottom scroll limit */
 122         int mode;     /* terminal mode flags */
 123         int esc;      /* escape state flags */
 124         char trantbl[4]; /* charset table translation */
 125         int charset;  /* current charset */
 126         int icharset; /* selected charset for sequence */
 127         int numlock; /* lock numbers in keyboard */
 128         int *tabs;
 129 } Term;
 130
 131 /* Purely graphic info */
 132 typedef struct {
 133         int tw, th; /* tty width and height */
 134         int w, h; /* window width and height */
 135         int ch; /* char height */
 136         int cw; /* char width  */
 137         char state; /* focus, redraw, visible */
 138         int cursor; /* cursor style */
 139 } TermWindow;
 140
 141 typedef struct {
 142         uint b;
 143         uint mask;
 144         char *s;
 145 } MouseShortcut;
 146
 147 typedef struct {
 148         int mode;
 149         int type;
 150         int snap;
 151         /*
 152          * Selection variables:
 153          * nb – normalized coordinates of the beginning of the selection
 154          * ne – normalized coordinates of the end of the selection
 155          * ob – original coordinates of the beginning of the selection
 156          * oe – original coordinates of the end of the selection
 157          */
 158         struct {
 159                 int x, y;
 160         } nb, ne, ob, oe;
 161
 162         char *primary, *clipboard;
 163         int alt;
 164         struct timespec tclick1;
 165         struct timespec tclick2;
 166
 167         //Atom xtarget;
 168 } Selection;
 169
 170 typedef union {
 171         int i;
 172         uint ui;
 173         float f;
 174         const void *v;
 175 } Arg;
 176
 177 typedef struct {
 178         uint mod;
 179         KeySym keysym;
 180         void (*func)(const Arg *);
 181         const Arg arg;
 182 } Shortcut;
 183
 184 void die(const char *, ...);
 185 void redraw(void);
 186
 187 int tattrset(int);
 188 void tnew(int, int);
 189 void tsetdirt(int, int);
 190 void tsetdirtattr(int);
 191 int match(uint, uint);
 192 void ttynew(void);
 193 size_t ttyread(void);
 194 void ttyresize(void);
 195 void ttysend(char *, size_t);
 196 void ttywrite(const char *, size_t);
 197
 198 void resettitle(void);
 199
 200 char *kmap(KeySym, uint);
 201 void cresize(int, int);
 202 void selclear(void);
 203
 204 void selinit(void);
 205 void selnormalize(void);
 206 int selected(int, int);
 207 char *getsel(void);
 208 int x2col(int);
 209 int y2row(int);
 210
 211 size_t utf8decode(char *, Rune *, size_t);
 212 size_t utf8encode(Rune, char *);
 213
 214 void *xmalloc(size_t);
 215 char *xstrdup(char *);
 216
 217 void usage(void);
 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 char **opt_cmd;
 226 extern char *opt_class;
 227 extern char *opt_embed;
 228 extern char *opt_font;
 229 extern char *opt_io;
 230 extern char *opt_line;
 231 extern char *opt_name;
 232 extern char *opt_title;
 233 extern int oldbutton;
 234
 235 extern char *usedfont;
 236 extern double usedfontsize;
 237 extern double defaultfontsize;
 238
 239 /* config.h globals */
 240 extern char font[];
 241 extern int borderpx;
 242 extern float cwscale;
 243 extern float chscale;
 244 extern unsigned int doubleclicktimeout;
 245 extern unsigned int tripleclicktimeout;
 246 extern int allowaltscreen;
 247 extern unsigned int xfps;
 248 extern unsigned int actionfps;
 249 extern unsigned int cursorthickness;
 250 extern unsigned int blinktimeout;
 251 extern char termname[];
 252 extern const char *colorname[];
 253 extern size_t colornamelen;
 254 extern unsigned int defaultfg;
 255 extern unsigned int defaultbg;
 256 extern unsigned int defaultcs;
 257 extern unsigned int defaultrcs;
 258 extern unsigned int cursorshape;
 259 extern unsigned int cols;
 260 extern unsigned int rows;
 261 extern unsigned int mouseshape;
 262 extern unsigned int mousefg;
 263 extern unsigned int mousebg;
 264 extern unsigned int defaultattr;
 265 extern MouseShortcut mshortcuts[];
 266 extern size_t mshortcutslen;
 267 extern Shortcut shortcuts[];
 268 extern size_t shortcutslen;
 269 extern uint forceselmod;
 270 extern uint selmasks[];
 271 extern size_t selmaskslen;
 272 extern char ascii_printable[];