! Copyright (C) 2008 Doug Coleman. ! See http://factorcode.org/license.txt for BSD license. USING: accessors alien.c-types alien.strings assocs byte-arrays classes.struct combinators continuations destructors fry io io.encodings.8-bit io.encodings.string io.encodings.utf8 io.streams.c kernel libc locals math memoize multiline namespaces prettyprint sequences strings threads ; IN: curses QUALIFIED-WITH: curses.ffi ffi SYMBOL: current-window CONSTANT: COLOR_BLACK 0 CONSTANT: COLOR_RED 1 CONSTANT: COLOR_GREEN 2 CONSTANT: COLOR_YELLO 3 CONSTANT: COLOR_BLUE 4 CONSTANT: COLOR_MAGEN 5 CONSTANT: COLOR_CYAN 6 CONSTANT: COLOR_WHITE 7 CONSTANT: A_NORMAL 0 CONSTANT: A_ATTRIBUTES -256 CONSTANT: A_CHARTEXT 255 CONSTANT: A_COLOR 65280 CONSTANT: A_STANDOUT 65536 CONSTANT: A_UNDERLINE 131072 CONSTANT: A_REVERSE 262144 CONSTANT: A_BLINK 524288 CONSTANT: A_DIM 1048576 CONSTANT: A_BOLD 2097152 CONSTANT: A_ALTCHARSET 4194304 CONSTANT: A_INVIS 8388608 CONSTANT: A_PROTECT 16777216 CONSTANT: A_HORIZONTAL 33554432 CONSTANT: A_LEFT 67108864 CONSTANT: A_LOW 134217728 CONSTANT: A_RIGHT 268435456 CONSTANT: A_TOP 536870912 CONSTANT: A_VERTICAL 1073741824 CONSTANT: KEY_CODE_YES OCT: 400 /* A wchar_t contains a key code */ CONSTANT: KEY_MIN OCT: 401 /* Minimum curses key */ CONSTANT: KEY_BREAK OCT: 401 /* Break key (unreliable) */ CONSTANT: KEY_SRESET OCT: 530 /* Soft (partial) reset (unreliable) */ CONSTANT: KEY_RESET OCT: 531 /* Reset or hard reset (unreliable) */ CONSTANT: KEY_DOWN OCT: 402 /* down-arrow key */ CONSTANT: KEY_UP OCT: 403 /* up-arrow key */ CONSTANT: KEY_LEFT OCT: 404 /* left-arrow key */ CONSTANT: KEY_RIGHT OCT: 405 /* right-arrow key */ CONSTANT: KEY_HOME OCT: 406 /* home key */ CONSTANT: KEY_BACKSPACE OCT: 407 /* backspace key */ CONSTANT: KEY_DL OCT: 510 /* delete-line key */ CONSTANT: KEY_IL OCT: 511 /* insert-line key */ CONSTANT: KEY_DC OCT: 512 /* delete-character key */ CONSTANT: KEY_IC OCT: 513 /* insert-character key */ CONSTANT: KEY_EIC OCT: 514 /* sent by rmir or smir in insert mode */ CONSTANT: KEY_CLEAR OCT: 515 /* clear-screen or erase key */ CONSTANT: KEY_EOS OCT: 516 /* clear-to-end-of-screen key */ CONSTANT: KEY_EOL OCT: 517 /* clear-to-end-of-line key */ CONSTANT: KEY_SF OCT: 520 /* scroll-forward key */ CONSTANT: KEY_SR OCT: 521 /* scroll-backward key */ CONSTANT: KEY_NPAGE OCT: 522 /* next-page key */ CONSTANT: KEY_PPAGE OCT: 523 /* previous-page key */ CONSTANT: KEY_STAB OCT: 524 /* set-tab key */ CONSTANT: KEY_CTAB OCT: 525 /* clear-tab key */ CONSTANT: KEY_CATAB OCT: 526 /* clear-all-tabs key */ CONSTANT: KEY_ENTER OCT: 527 /* enter/send key */ CONSTANT: KEY_PRINT OCT: 532 /* print key */ CONSTANT: KEY_LL OCT: 533 /* lower-left key (home down) */ CONSTANT: KEY_A1 OCT: 534 /* upper left of keypad */ CONSTANT: KEY_A3 OCT: 535 /* upper right of keypad */ CONSTANT: KEY_B2 OCT: 536 /* center of keypad */ CONSTANT: KEY_C1 OCT: 537 /* lower left of keypad */ CONSTANT: KEY_C3 OCT: 540 /* lower right of keypad */ CONSTANT: KEY_BTAB OCT: 541 /* back-tab key */ CONSTANT: KEY_BEG OCT: 542 /* begin key */ CONSTANT: KEY_CANCEL OCT: 543 /* cancel key */ CONSTANT: KEY_CLOSE OCT: 544 /* close key */ CONSTANT: KEY_COMMAND OCT: 545 /* command key */ CONSTANT: KEY_COPY OCT: 546 /* copy key */ CONSTANT: KEY_CREATE OCT: 547 /* create key */ CONSTANT: KEY_END OCT: 550 /* end key */ CONSTANT: KEY_EXIT OCT: 551 /* exit key */ CONSTANT: KEY_FIND OCT: 552 /* find key */ CONSTANT: KEY_HELP OCT: 553 /* help key */ CONSTANT: KEY_MARK OCT: 554 /* mark key */ CONSTANT: KEY_MESSAGE OCT: 555 /* message key */ CONSTANT: KEY_MOVE OCT: 556 /* move key */ CONSTANT: KEY_NEXT OCT: 557 /* next key */ CONSTANT: KEY_OPEN OCT: 560 /* open key */ CONSTANT: KEY_OPTIONS OCT: 561 /* options key */ CONSTANT: KEY_PREVIOUS OCT: 562 /* previous key */ CONSTANT: KEY_REDO OCT: 563 /* redo key */ CONSTANT: KEY_REFERENCE OCT: 564 /* reference key */ CONSTANT: KEY_REFRESH OCT: 565 /* refresh key */ CONSTANT: KEY_REPLACE OCT: 566 /* replace key */ CONSTANT: KEY_RESTART OCT: 567 /* restart key */ CONSTANT: KEY_RESUME OCT: 570 /* resume key */ CONSTANT: KEY_SAVE OCT: 571 /* save key */ CONSTANT: KEY_SBEG OCT: 572 /* shifted begin key */ CONSTANT: KEY_SCANCEL OCT: 573 /* shifted cancel key */ CONSTANT: KEY_SCOMMAND OCT: 574 /* shifted command key */ CONSTANT: KEY_SCOPY OCT: 575 /* shifted copy key */ CONSTANT: KEY_SCREATE OCT: 576 /* shifted create key */ CONSTANT: KEY_SDC OCT: 577 /* shifted delete-character key */ CONSTANT: KEY_SDL OCT: 600 /* shifted delete-line key */ CONSTANT: KEY_SELECT OCT: 601 /* select key */ CONSTANT: KEY_SEND OCT: 602 /* shifted end key */ CONSTANT: KEY_SEOL OCT: 603 /* shifted clear-to-end-of-line key */ CONSTANT: KEY_SEXIT OCT: 604 /* shifted exit key */ CONSTANT: KEY_SFIND OCT: 605 /* shifted find key */ CONSTANT: KEY_SHELP OCT: 606 /* shifted help key */ CONSTANT: KEY_SHOME OCT: 607 /* shifted home key */ CONSTANT: KEY_SIC OCT: 610 /* shifted insert-character key */ CONSTANT: KEY_SLEFT OCT: 611 /* shifted left-arrow key */ CONSTANT: KEY_SMESSAGE OCT: 612 /* shifted message key */ CONSTANT: KEY_SMOVE OCT: 613 /* shifted move key */ CONSTANT: KEY_SNEXT OCT: 614 /* shifted next key */ CONSTANT: KEY_SOPTIONS OCT: 615 /* shifted options key */ CONSTANT: KEY_SPREVIOUS OCT: 616 /* shifted previous key */ CONSTANT: KEY_SPRINT OCT: 617 /* shifted print key */ CONSTANT: KEY_SREDO OCT: 620 /* shifted redo key */ CONSTANT: KEY_SREPLACE OCT: 621 /* shifted replace key */ CONSTANT: KEY_SRIGHT OCT: 622 /* shifted right-arrow key */ CONSTANT: KEY_SRSUME OCT: 623 /* shifted resume key */ CONSTANT: KEY_SSAVE OCT: 624 /* shifted save key */ CONSTANT: KEY_SSUSPEND OCT: 625 /* shifted suspend key */ CONSTANT: KEY_SUNDO OCT: 626 /* shifted undo key */ CONSTANT: KEY_SUSPEND OCT: 627 /* suspend key */ CONSTANT: KEY_UNDO OCT: 630 /* undo key */ CONSTANT: KEY_MOUSE OCT: 631 /* Mouse event has occurred */ CONSTANT: KEY_RESIZE OCT: 632 /* Terminal resize event */ CONSTANT: KEY_EVENT OCT: 633 /* We were interrupted by an event */ CONSTANT: KEY_F0 OCT: 410 /* Function keys. Space for 64 */ : KEY_F ( n -- code ) KEY_F0 + ; inline /* Value of function key n */ ERROR: curses-failed ; ERROR: unsupported-curses-terminal ; BOOLEAN ( ? -- TRUE/FALSE ) ffi:TRUE ffi:FALSE ? ; inline : curses-pointer-error ( ptr/f -- ptr ) dup [ curses-failed ] unless ; inline : curses-error ( n -- ) ffi:ERR = [ curses-failed ] when ; PRIVATE> : curses-ok? ( -- ? ) { 0 1 2 } [ isatty 0 = not ] all? ; TUPLE: curses-window < disposable ptr parent-window { lines integer initial: 0 } { columns integer initial: 0 } { y integer initial: 0 } { x integer initial: 0 } { cbreak initial: t } { echo initial: t } { raw initial: f } { scrollok initial: t } { leaveok initial: f } idcok idlok immedok { keypad initial: t } { encoding initial: utf8 } ; : ( -- window ) curses-window new-disposable ; M: curses-window dispose* ( window -- ) ptr>> ffi:delwin curses-error ; > ] [ columns>> ] [ y>> ] [ x>> ] } cleave ; : set-cbreak/raw ( cbreak raw -- ) [ drop ffi:raw ] [ [ ffi:cbreak ] [ ffi:nocbreak ] if ] if curses-error ; : apply-window-options ( window -- ) { [ [ ptr>> ] [ scrollok>> >BOOLEAN ] bi ffi:scrollok curses-error ] [ [ ptr>> ] [ leaveok>> >BOOLEAN ] bi ffi:leaveok curses-error ] [ [ ptr>> ] [ keypad>> >BOOLEAN ] bi ffi:keypad curses-error ] } cleave ; : apply-global-options ( window -- ) [ [ cbreak>> ] [ raw>> ] bi set-cbreak/raw ] [ echo>> [ ffi:echo ] [ ffi:noecho ] if curses-error ] bi ; SYMBOL: n-registered-colors MEMO: register-color ( fg bg -- n ) [ n-registered-colors get ] 2dip ffi:init_pair curses-error n-registered-colors [ get ] [ inc ] bi ; : init-colors ( -- ) ffi:has_colors [ 1 n-registered-colors set \ register-color reset-memoized ffi:start_color curses-error ] when ; PRIVATE> : setup-window ( window -- window ) [ dup dup parent-window>> [ ptr>> swap window-params ffi:derwin ] [ window-params ffi:newwin ] if* [ curses-error ] keep >>ptr &dispose ] [ apply-window-options ] bi ; : with-window ( window quot -- ) [ current-window ] dip with-variable ; inline : with-curses ( window quot -- ) curses-ok? [ unsupported-curses-terminal ] unless [ '[ ffi:initscr curses-pointer-error >>ptr [ apply-global-options ] [ apply-window-options ] [ ] tri ffi:erase curses-error init-colors _ with-window ] [ ffi:endwin curses-error ] [ ] cleanup ] with-destructors ; inline TUPLE: curses-terminal < disposable infd outfd ptr ; : ( infd outfd ptr -- curses-terminal ) curses-terminal new-disposable swap >>ptr swap >>outfd swap >>infd ; M: curses-terminal dispose [ outfd>> fclose ] [ infd>> fclose ] [ ptr>> ffi:delscreen ] tri ; : init-terminal ( terminal -- curses-terminal ) "xterm-color" swap [ "rb" fopen ] [ "wb" fopen ] bi [ ffi:newterm curses-pointer-error ] 2keep ; : start-remote-curses ( terminal window -- curses-terminal ) [ init-terminal ffi:initscr curses-pointer-error drop dup ptr>> ffi:set_term curses-pointer-error drop ] dip [ apply-global-options ] [ apply-window-options ] bi ; str window-ptr str n ffi:wgetnstr curses-error str encoding alien>string ] with-destructors ; inline : (wcmove) ( y x window-ptr -- ) -rot ffi:wmove curses-error ; inline : (winsert-blank-line) ( y window-ptr -- ) [ 0 swap (wcmove) ] [ ffi:winsertln curses-error ] bi ; inline : (waddch) ( ch window-ptr -- ) swap ffi:waddch curses-error ; inline : (wgetch) ( window -- key ) ffi:wgetch [ curses-error ] keep ; inline : (wattroff) ( attribute window-ptr -- ) swap ffi:wattroff curses-error ; inline : (wattron) ( attribute window-ptr -- ) swap ffi:wattron curses-error ; inline PRIVATE> : wcrefresh ( window -- ) ptr>> (wcrefresh) ; : crefresh ( -- ) current-window get wcrefresh ; : wcnl ( window -- ) [ "\n" ] dip ptr>> (wcwrite) ; : cnl ( -- ) current-window get wcnl ; : wcwrite ( string window -- ) ptr>> (wcwrite) ; : cwrite ( string -- ) current-window get wcwrite ; : wcprint ( string window -- ) ptr>> [ (wcwrite) ] [ "\n" swap (wcwrite) ] bi ; : cprint ( string -- ) current-window get wcprint ; : wcprintf ( string window -- ) ptr>> [ (wcwrite) ] [ "\n" swap (wcwrite) ] [ (wcrefresh) ] tri ; : cprintf ( string -- ) current-window get wcprintf ; : wcwritef ( string window -- ) ptr>> [ (wcwrite) ] [ (wcrefresh) ] bi ; : cwritef ( string -- ) current-window get wcwritef ; : wcread ( n window -- string ) [ encoding>> ] [ ptr>> ] bi (wcread) ; : curses-read ( n -- string ) current-window get wcread ; : wgetch ( window -- key ) ptr>> (wgetch) ; : getch ( -- key ) current-window get wgetch ; : waddch ( ch window -- ) ptr>> (waddch) ; : addch ( ch -- ) current-window get waddch ; : werase ( window -- ) ptr>> ffi:werase curses-error ; : erase ( -- ) current-window get werase ; : wcmove ( y x window -- ) ptr>> [ (wcmove) ] [ (wcrefresh) ] bi ; : cmove ( y x -- ) current-window get wcmove ; : wdelete-line ( y window -- ) ptr>> [ 0 swap (wcmove) ] [ ffi:wdeleteln curses-error ] bi ; : delete-line ( y -- ) current-window get wdelete-line ; : winsert-blank-line ( y window -- ) ptr>> (winsert-blank-line) ; : insert-blank-line ( y -- ) current-window get winsert-blank-line ; : winsert-line ( string y window -- ) ptr>> [ (winsert-blank-line) ] [ (wcwrite) ] bi ; : insert-line ( string y -- ) current-window get winsert-line ; : wattron ( attribute window -- ) ptr>> (wattron) ; : attron ( attribute -- ) current-window get wattron ; : wattroff ( attribute window -- ) ptr>> (wattroff) ; : attroff ( attribute -- ) current-window get wattroff ; : wall-attroff ( window -- ) [ A_NORMAL ] dip wattroff ; : all-attroff ( -- ) current-window get wall-attroff ; : wccolor ( foreground background window -- ) [ 2dup [ COLOR_WHITE = ] [ COLOR_BLACK = ] bi* and [ 2drop 0 ] [ register-color ] if ffi:COLOR_PAIR ] dip ptr>> (wattron) ; : ccolor ( foreground background -- ) current-window get wccolor ;