/* See LICENSE for license details. */ #include #include #include #include #include #include #include #include #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)) enum glyph_attribute { ATTR_NULL = 0, ATTR_BOLD = 1 << 0, ATTR_FAINT = 1 << 1, ATTR_ITALIC = 1 << 2, ATTR_UNDERLINE = 1 << 3, ATTR_BLINK = 1 << 4, ATTR_REVERSE = 1 << 5, ATTR_INVISIBLE = 1 << 6, ATTR_STRUCK = 1 << 7, ATTR_WRAP = 1 << 8, ATTR_WIDE = 1 << 9, ATTR_WDUMMY = 1 << 10, #if BOXDRAW_PATCH ATTR_BOXDRAW = 1 << 11, #endif // BOXDRAW_PATCH #if LIGATURES_PATCH ATTR_LIGA = 1 << 12, #endif // LIGATURES_PATCH #if SIXEL_PATCH ATTR_SIXEL = 1 << 13, #endif // SIXEL_PATCH ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT, }; #if SIXEL_PATCH typedef struct _ImageList { struct _ImageList *next, *prev; unsigned char *pixels; void *pixmap; int width; int height; int x; int y; int should_delete; } 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 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 */ ushort mode; /* attribute flags */ uint32_t fg; /* foreground */ uint32_t bg; /* background */ } Glyph; typedef Glyph *Line; 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 */ Line *line; /* screen */ Line *alt; /* alternate screen */ #if SCROLLBACK_PATCH Line hist[HISTSIZE]; /* history buffer */ int histi; /* history index */ int scr; /* scroll back */ #endif // SCROLLBACK_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 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 */ Atom xembed, wmdeletewin, netwmname, netwmpid; struct { XIM xim; XIC xic; XPoint spot; XVaNestedList spotlist; } ime; Draw draw; Visual *vis; XSetWindowAttributes attrs; #if HIDECURSOR_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 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; } Shortcut; typedef struct { uint mod; uint button; void (*func)(const Arg *); const Arg arg; uint release; } 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 printscreen(const Arg *); void printsel(const Arg *); void sendbreak(const Arg *); void toggleprinter(const Arg *); int tattrset(int); void tnew(int, int); void tresize(int, int); void tsetdirtattr(int); void ttyhangup(void); int ttynew(char *, char *, 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 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(char *); #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 #if RELATIVEBORDER_PATCH int borderpx; #endif // RELATIVEBORDER_PATCH /* config.h globals */ extern char *utmp; extern char *scroll; extern char *stty_args; extern char *vtiden; extern wchar_t *worddelimiters; 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 BOXDRAW_PATCH extern const int boxdraw, boxdraw_bold, boxdraw_braille; #endif // BOXDRAW_PATCH #if ALPHA_PATCH extern float alpha; #endif // ALPHA_PATCH extern DC dc; extern XWindow xw; extern XSelection xsel; extern TermWindow win; extern Term term;