diff options
Diffstat (limited to 'sys/libterm/term.h')
| -rw-r--r-- | sys/libterm/term.h | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/sys/libterm/term.h b/sys/libterm/term.h deleted file mode 100644 index 6bd2f6b..0000000 --- a/sys/libterm/term.h +++ /dev/null @@ -1,270 +0,0 @@ -#pragma once - -#include <u.h> -#include <libn.h> - -#include <termios.h> -#include <unibilium.h> - -#define iota(x) 1 << (x) - -typedef struct RGB8 RGB8; -typedef struct Pen Pen; - -typedef struct Dot Dot; -typedef struct Cell Cell; -typedef struct Row Row; -typedef struct Buffer Buffer; -typedef struct Window Window; - -typedef struct Node Node; -typedef struct Key Key; -typedef struct Input Input; - -typedef struct Term Term; - -struct RGB8 -{ - uint8 r, g, b; -}; - -enum -{ - PenNormal = 0, - PenBold = iota(0), - PenDim = iota(1), - PenInvis = iota(2), - PenItalic = iota(3), - PenReverse = iota(4), - PenStrike = iota(5), - PenUnderline = iota(6), - PenBlink = iota(7), - /* ... */ - PenRGB = iota(15), -}; - -struct Pen -{ - ushort state; - union { - /* 256 color (legacy) */ - struct { - sshort fg : 8, bg : 8; /* 0 - 255 or COLOUR_DEFAULT */ - } col; - /* true color (modern) */ - struct { - RGB8 fg, bg; - } rgb; - }; -}; - -/* outputs */ -struct Cell -{ - rune txt; - Pen pen; -}; - -struct Row -{ - Cell *cells; - uint dirty : 1; -}; - -struct Dot -{ - int row, col; -}; - -/* - * scroll.top & scroll.bot are pointers into the viewport. - * - * scroll back buffer - * - * scroll.buf->+----------------+-----+ - * | | | ^ \ - * | before | | | | - * current terminal content | viewport | | | | - * | | | | - * +----------------+-----+\ | | | s > scroll.above - * ^ | | i | \ | | i | c | - * | | | n | \ | | n | r | - * | | v | \ | | v | o | - * | | i | \ | | i | l / - * | buffer | s | >|<- scroll.index | s | l \ - * h | | i | / | | i | | - * | | b | / | after | b | s > scroll.below - * | | l | / | viewport | l | i | - * v | | e | / | | e | z / - * +----------------+-----+/ | unused | | e - * <- maxw -> | scroll back | | - * <- w -> | buffer | | | - * | | | | - * | | | v - * scroll.buf + scroll.size->+----------------+-----+ - * <- maxw -> - * <- w -> - */ - -struct Buffer -{ - int w, h; /* dimension of buffer */ - Pen pen; /* default attributes */ - int maxw; /* allocated cells (maximal cols over time) */ - Row *row; /* array of row pointers of size 'h' */ - struct { - Row *buf; - Row *top; - Row *bot; - int size; - int index; - int above; - int below; - } scroll; - Dot cur, save; /* cursor position within buffer */ -}; - -struct Window -{ - struct Buffer; - int top, left; - uchar curvis : 1; - uchar blink : 2; - - Window *parent, *child, *link; -}; - -/* input */ -struct Key -{ - int type; - int mods; - uchar utf8[UTFmax+1]; - union { - rune pt; - int num; - int sym; - char mouse[4]; - } code; -}; - -struct KeyInfo -{ - int type; - int sym; - int modmask; - int modset; -}; - -struct Input -{ - int fd; - int flags; - int wait; /* in ms */ - - /* modifiers */ - uchar closed : 1; - uchar started : 1; - uchar hasold : 1; - - struct termios oldterm; - - /* buffer */ - struct { - long off; - uchar *b, *c, *e, bytes[256]; - } rbuf; - struct { - uchar *s, bytes[256]; - } ebuf; - - /* key data */ - Node *keys; - struct KeyInfo c0[32]; -}; - - -struct Term -{ - /* meta data */ - char *name; - unibi_term *info; - struct { - uchar altscreen : 1; - uchar cursorvis : 1; - uchar mouse : 1; - } mode; - struct { - uchar bce : 1; - int colors; - } cap; - - /* input capture */ - Input input; - - /* output display */ - Window *root; - Pen pen; - - /* raw text to pty */ - int fd; - struct { - char *c, b[512]; - } buf; - - struct { - int len; - char *b; - } tmp; - - /* info */ - struct { - /* Positioning */ - char *cup; // cursor_address - char *vpa; // row_address == vertical position absolute - char *hpa; // column_address = horizontal position absolute - - /* Moving */ - char *cuu; char *cuu1; // Cursor Up - char *cud; char *cud1; // Cursor Down - char *cuf; char *cuf1; // Cursor Forward == Right - char *cub; char *cub1; // Cursor Backward == Left - - /* Editing */ - char *ich; char *ich1; // Insert Character - char *dch; char *dch1; // Delete Character - char *il; char *il1; // Insert Line - char *dl; char *dl1; // Delete Line - char *ech; // Erase Character - char *ed2; // Erase Data 2 == Clear screen - char *stbm; // Set Top/Bottom Margins - - /* formatting */ - char *sgr; // Select Graphic Rendition - char *sgr0; // Exit Attribute Mode - char *sgr_i0, *sgr_i1; // SGR italic off/on - char *sgr_fg; // SGR foreground colour - char *sgr_bg; // SGR background colour - - /* Mode setting/clearing */ - char *sm_csr; char *rm_csr; // Set/reset mode: Cursor visible - - /* augmentations to terminfo */ - struct { - char *rgbf; // rgb foreground - char *rgbb; // rgb background - char *smxx; // strikethrough - char *smulx; // curly underline - } ext; - } esc; - - Term *link; -}; - -/* functions */ -void tresize(Term *t); - -Window *wmake(Window *root, int top, int left, int w, int h, int scroll); -void wresize(Window *root, int w, int h); -void wputrune(Window *win, rune r); -void wscroll(Window *win, int s); |