296 lines
6.8 KiB
C
296 lines
6.8 KiB
C
/* See LICENSE for license details. */
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#include <stdint.h>
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#include <sys/types.h>
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#include <X11/Xatom.h>
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#include <X11/Xlib.h>
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#include <X11/cursorfont.h>
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#include <X11/keysym.h>
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#include <X11/Xft/Xft.h>
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#include <X11/XKBlib.h>
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/* macros */
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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#define MAX(a, b) ((a) < (b) ? (b) : (a))
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#define LEN(a) (sizeof(a) / sizeof(a)[0])
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#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
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#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d))
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#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
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#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
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#define ATTRCMP(a, b) (((a).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) != ((b).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) || \
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(a).fg != (b).fg || \
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(a).bg != (b).bg)
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#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \
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(t1.tv_nsec-t2.tv_nsec)/1E6)
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#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
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#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
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#define IS_TRUECOL(x) (1 << 24 & (x))
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#define HISTSIZE 2000
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enum glyph_attribute {
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ATTR_NULL = 0,
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ATTR_BOLD = 1 << 0,
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ATTR_FAINT = 1 << 1,
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ATTR_ITALIC = 1 << 2,
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ATTR_UNDERLINE = 1 << 3,
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ATTR_BLINK = 1 << 4,
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ATTR_REVERSE = 1 << 5,
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ATTR_INVISIBLE = 1 << 6,
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ATTR_STRUCK = 1 << 7,
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ATTR_WRAP = 1 << 8,
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ATTR_WIDE = 1 << 9,
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ATTR_WDUMMY = 1 << 10,
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ATTR_BOXDRAW = 1 << 11,
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ATTR_LIGA = 1 << 12,
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ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
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ATTR_DIRTYUNDERLINE = 1 << 15,
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};
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enum drawing_mode {
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DRAW_NONE = 0,
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DRAW_BG = 1 << 0,
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DRAW_FG = 1 << 1,
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};
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enum selection_mode {
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SEL_IDLE = 0,
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SEL_EMPTY = 1,
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SEL_READY = 2
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};
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enum selection_type {
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SEL_REGULAR = 1,
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SEL_RECTANGULAR = 2
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};
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enum selection_snap {
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SNAP_WORD = 1,
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SNAP_LINE = 2
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};
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typedef unsigned char uchar;
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typedef unsigned int uint;
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typedef unsigned long ulong;
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typedef unsigned short ushort;
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typedef uint_least32_t Rune;
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typedef XftDraw *Draw;
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typedef XftColor Color;
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typedef XftGlyphFontSpec GlyphFontSpec;
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#define Glyph Glyph_
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typedef struct {
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Rune u; /* character code */
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ushort mode; /* attribute flags */
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uint32_t fg; /* foreground */
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uint32_t bg; /* background */
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int ustyle; /* underline style */
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int ucolor[3]; /* underline color */
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} Glyph;
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typedef Glyph *Line;
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typedef struct {
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Glyph attr; /* current char attributes */
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int x;
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int y;
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char state;
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} TCursor;
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/* Internal representation of the screen */
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typedef struct {
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int row; /* nb row */
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int col; /* nb col */
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int maxcol;
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Line *line; /* screen */
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Line *alt; /* alternate screen */
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Line hist[HISTSIZE]; /* history buffer */
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int histi; /* history index */
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int histn; /* number of history entries */
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int scr; /* scroll back */
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int *dirty; /* dirtyness of lines */
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TCursor c; /* cursor */
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int ocx; /* old cursor col */
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int ocy; /* old cursor row */
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int top; /* top scroll limit */
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int bot; /* bottom scroll limit */
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int mode; /* terminal mode flags */
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int esc; /* escape state flags */
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char trantbl[4]; /* charset table translation */
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int charset; /* current charset */
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int icharset; /* selected charset for sequence */
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int *tabs;
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Rune lastc; /* last printed char outside of sequence, 0 if control */
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} Term;
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typedef union {
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int i;
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uint ui;
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float f;
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const void *v;
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const char *s;
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} Arg;
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/* Purely graphic info */
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typedef struct {
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int tw, th; /* tty width and height */
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int w, h; /* window width and height */
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int hborderpx, vborderpx;
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int ch; /* char height */
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int cw; /* char width */
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int cyo; /* char y offset */
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int mode; /* window state/mode flags */
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int cursor; /* cursor style */
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} TermWindow;
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typedef struct {
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Display *dpy;
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Colormap cmap;
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Window win;
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Drawable buf;
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GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
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Atom xembed, wmdeletewin, netwmname, netwmiconname, netwmpid;
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Atom netwmicon;
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struct {
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XIM xim;
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XIC xic;
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XPoint spot;
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XVaNestedList spotlist;
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} ime;
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Draw draw;
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Visual *vis;
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XSetWindowAttributes attrs;
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int scr;
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int isfixed; /* is fixed geometry? */
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int depth; /* bit depth */
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int l, t; /* left and top offset */
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int gm; /* geometry mask */
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} XWindow;
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typedef struct {
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Atom xtarget;
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char *primary, *clipboard;
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struct timespec tclick1;
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struct timespec tclick2;
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} XSelection;
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/* types used in config.h */
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typedef struct {
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uint mod;
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KeySym keysym;
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void (*func)(const Arg *);
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const Arg arg;
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} Shortcut;
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typedef struct {
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uint mod;
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uint button;
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void (*func)(const Arg *);
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const Arg arg;
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uint release;
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} MouseShortcut;
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typedef struct {
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KeySym k;
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uint mask;
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char *s;
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/* three-valued logic variables: 0 indifferent, 1 on, -1 off */
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signed char appkey; /* application keypad */
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signed char appcursor; /* application cursor */
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} Key;
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/* Font structure */
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#define Font Font_
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typedef struct {
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int height;
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int width;
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int ascent;
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int descent;
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int badslant;
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int badweight;
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short lbearing;
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short rbearing;
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XftFont *match;
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FcFontSet *set;
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FcPattern *pattern;
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} Font;
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/* Drawing Context */
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typedef struct {
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Color *col;
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size_t collen;
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Font font, bfont, ifont, ibfont;
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GC gc;
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} DC;
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void die(const char *, ...);
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void redraw(void);
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void draw(void);
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void drawregion(int, int, int, int);
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void tfulldirt(void);
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void printscreen(const Arg *);
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void printsel(const Arg *);
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void sendbreak(const Arg *);
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void toggleprinter(const Arg *);
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int tattrset(int);
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void tnew(int, int);
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void tresize(int, int);
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void tsetdirtattr(int);
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void ttyhangup(void);
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int ttynew(const char *, char *, const char *, char **);
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size_t ttyread(void);
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void ttyresize(int, int);
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void ttywrite(const char *, size_t, int);
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void resettitle(void);
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void selclear(void);
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void selinit(void);
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void selstart(int, int, int);
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void selextend(int, int, int, int);
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int selected(int, int);
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char *getsel(void);
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size_t utf8encode(Rune, char *);
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void *xmalloc(size_t);
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void *xrealloc(void *, size_t);
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char *xstrdup(const char *);
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int xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b);
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int isboxdraw(Rune);
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ushort boxdrawindex(const Glyph *);
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#ifdef XFT_VERSION
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/* only exposed to x.c, otherwise we'll need Xft.h for the types */
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void boxdraw_xinit(Display *, Colormap, XftDraw *, Visual *);
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void drawboxes(int, int, int, int, XftColor *, XftColor *, const XftGlyphFontSpec *, int);
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#endif // XFT_VERSION
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/* config.h globals */
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extern char *utmp;
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extern char *scroll;
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extern char *stty_args;
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extern char *vtiden;
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extern wchar_t *worddelimiters;
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extern int allowaltscreen;
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extern int allowwindowops;
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extern char *termname;
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extern unsigned int tabspaces;
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extern unsigned int defaultfg;
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extern unsigned int defaultbg;
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extern unsigned int defaultcs;
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extern const int boxdraw, boxdraw_bold, boxdraw_braille;
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extern float alpha;
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extern DC dc;
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extern XWindow xw;
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extern XSelection xsel;
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extern TermWindow win;
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extern Term term;
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