1 ! Copyright (C) 2008 Doug Coleman.
2 ! See http://factorcode.org/license.txt for BSD license.
4 USING: accessors alien.c-types alien.data alien.strings
5 classes.struct combinators continuations destructors fry
6 io.encodings.utf8 kernel libc locals math memoize multiline
7 namespaces sequences unix.ffi ;
9 QUALIFIED-WITH: curses.ffi ffi
13 SYMBOL: current-window
15 CONSTANT: COLOR_BLACK 0
17 CONSTANT: COLOR_GREEN 2
18 CONSTANT: COLOR_YELLO 3
19 CONSTANT: COLOR_BLUE 4
20 CONSTANT: COLOR_MAGEN 5
21 CONSTANT: COLOR_CYAN 6
22 CONSTANT: COLOR_WHITE 7
25 CONSTANT: A_ATTRIBUTES -256
26 CONSTANT: A_CHARTEXT 255
27 CONSTANT: A_COLOR 65280
28 CONSTANT: A_STANDOUT 65536
29 CONSTANT: A_UNDERLINE 131072
30 CONSTANT: A_REVERSE 262144
31 CONSTANT: A_BLINK 524288
32 CONSTANT: A_DIM 1048576
33 CONSTANT: A_BOLD 2097152
34 CONSTANT: A_ALTCHARSET 4194304
35 CONSTANT: A_INVIS 8388608
36 CONSTANT: A_PROTECT 16777216
37 CONSTANT: A_HORIZONTAL 33554432
38 CONSTANT: A_LEFT 67108864
39 CONSTANT: A_LOW 134217728
40 CONSTANT: A_RIGHT 268435456
41 CONSTANT: A_TOP 536870912
42 CONSTANT: A_VERTICAL 1073741824
44 CONSTANT: KEY_CODE_YES 0o400 /* A wchar_t contains a key code */
45 CONSTANT: KEY_MIN 0o401 /* Minimum curses key */
46 CONSTANT: KEY_BREAK 0o401 /* Break key (unreliable) */
47 CONSTANT: KEY_SRESET 0o530 /* Soft (partial) reset (unreliable) */
48 CONSTANT: KEY_RESET 0o531 /* Reset or hard reset (unreliable) */
49 CONSTANT: KEY_DOWN 0o402 /* down-arrow key */
50 CONSTANT: KEY_UP 0o403 /* up-arrow key */
51 CONSTANT: KEY_LEFT 0o404 /* left-arrow key */
52 CONSTANT: KEY_RIGHT 0o405 /* right-arrow key */
53 CONSTANT: KEY_HOME 0o406 /* home key */
54 CONSTANT: KEY_BACKSPACE 0o407 /* backspace key */
55 CONSTANT: KEY_DL 0o510 /* delete-line key */
56 CONSTANT: KEY_IL 0o511 /* insert-line key */
57 CONSTANT: KEY_DC 0o512 /* delete-character key */
58 CONSTANT: KEY_IC 0o513 /* insert-character key */
59 CONSTANT: KEY_EIC 0o514 /* sent by rmir or smir in insert mode */
60 CONSTANT: KEY_CLEAR 0o515 /* clear-screen or erase key */
61 CONSTANT: KEY_EOS 0o516 /* clear-to-end-of-screen key */
62 CONSTANT: KEY_EOL 0o517 /* clear-to-end-of-line key */
63 CONSTANT: KEY_SF 0o520 /* scroll-forward key */
64 CONSTANT: KEY_SR 0o521 /* scroll-backward key */
65 CONSTANT: KEY_NPAGE 0o522 /* next-page key */
66 CONSTANT: KEY_PPAGE 0o523 /* previous-page key */
67 CONSTANT: KEY_STAB 0o524 /* set-tab key */
68 CONSTANT: KEY_CTAB 0o525 /* clear-tab key */
69 CONSTANT: KEY_CATAB 0o526 /* clear-all-tabs key */
70 CONSTANT: KEY_ENTER 0o527 /* enter/send key */
71 CONSTANT: KEY_PRINT 0o532 /* print key */
72 CONSTANT: KEY_LL 0o533 /* lower-left key (home down) */
73 CONSTANT: KEY_A1 0o534 /* upper left of keypad */
74 CONSTANT: KEY_A3 0o535 /* upper right of keypad */
75 CONSTANT: KEY_B2 0o536 /* center of keypad */
76 CONSTANT: KEY_C1 0o537 /* lower left of keypad */
77 CONSTANT: KEY_C3 0o540 /* lower right of keypad */
78 CONSTANT: KEY_BTAB 0o541 /* back-tab key */
79 CONSTANT: KEY_BEG 0o542 /* begin key */
80 CONSTANT: KEY_CANCEL 0o543 /* cancel key */
81 CONSTANT: KEY_CLOSE 0o544 /* close key */
82 CONSTANT: KEY_COMMAND 0o545 /* command key */
83 CONSTANT: KEY_COPY 0o546 /* copy key */
84 CONSTANT: KEY_CREATE 0o547 /* create key */
85 CONSTANT: KEY_END 0o550 /* end key */
86 CONSTANT: KEY_EXIT 0o551 /* exit key */
87 CONSTANT: KEY_FIND 0o552 /* find key */
88 CONSTANT: KEY_HELP 0o553 /* help key */
89 CONSTANT: KEY_MARK 0o554 /* mark key */
90 CONSTANT: KEY_MESSAGE 0o555 /* message key */
91 CONSTANT: KEY_MOVE 0o556 /* move key */
92 CONSTANT: KEY_NEXT 0o557 /* next key */
93 CONSTANT: KEY_OPEN 0o560 /* open key */
94 CONSTANT: KEY_OPTIONS 0o561 /* options key */
95 CONSTANT: KEY_PREVIOUS 0o562 /* previous key */
96 CONSTANT: KEY_REDO 0o563 /* redo key */
97 CONSTANT: KEY_REFERENCE 0o564 /* reference key */
98 CONSTANT: KEY_REFRESH 0o565 /* refresh key */
99 CONSTANT: KEY_REPLACE 0o566 /* replace key */
100 CONSTANT: KEY_RESTART 0o567 /* restart key */
101 CONSTANT: KEY_RESUME 0o570 /* resume key */
102 CONSTANT: KEY_SAVE 0o571 /* save key */
103 CONSTANT: KEY_SBEG 0o572 /* shifted begin key */
104 CONSTANT: KEY_SCANCEL 0o573 /* shifted cancel key */
105 CONSTANT: KEY_SCOMMAND 0o574 /* shifted command key */
106 CONSTANT: KEY_SCOPY 0o575 /* shifted copy key */
107 CONSTANT: KEY_SCREATE 0o576 /* shifted create key */
108 CONSTANT: KEY_SDC 0o577 /* shifted delete-character key */
109 CONSTANT: KEY_SDL 0o600 /* shifted delete-line key */
110 CONSTANT: KEY_SELECT 0o601 /* select key */
111 CONSTANT: KEY_SEND 0o602 /* shifted end key */
112 CONSTANT: KEY_SEOL 0o603 /* shifted clear-to-end-of-line key */
113 CONSTANT: KEY_SEXIT 0o604 /* shifted exit key */
114 CONSTANT: KEY_SFIND 0o605 /* shifted find key */
115 CONSTANT: KEY_SHELP 0o606 /* shifted help key */
116 CONSTANT: KEY_SHOME 0o607 /* shifted home key */
117 CONSTANT: KEY_SIC 0o610 /* shifted insert-character key */
118 CONSTANT: KEY_SLEFT 0o611 /* shifted left-arrow key */
119 CONSTANT: KEY_SMESSAGE 0o612 /* shifted message key */
120 CONSTANT: KEY_SMOVE 0o613 /* shifted move key */
121 CONSTANT: KEY_SNEXT 0o614 /* shifted next key */
122 CONSTANT: KEY_SOPTIONS 0o615 /* shifted options key */
123 CONSTANT: KEY_SPREVIOUS 0o616 /* shifted previous key */
124 CONSTANT: KEY_SPRINT 0o617 /* shifted print key */
125 CONSTANT: KEY_SREDO 0o620 /* shifted redo key */
126 CONSTANT: KEY_SREPLACE 0o621 /* shifted replace key */
127 CONSTANT: KEY_SRIGHT 0o622 /* shifted right-arrow key */
128 CONSTANT: KEY_SRSUME 0o623 /* shifted resume key */
129 CONSTANT: KEY_SSAVE 0o624 /* shifted save key */
130 CONSTANT: KEY_SSUSPEND 0o625 /* shifted suspend key */
131 CONSTANT: KEY_SUNDO 0o626 /* shifted undo key */
132 CONSTANT: KEY_SUSPEND 0o627 /* suspend key */
133 CONSTANT: KEY_UNDO 0o630 /* undo key */
134 CONSTANT: KEY_MOUSE 0o631 /* Mouse event has occurred */
135 CONSTANT: KEY_RESIZE 0o632 /* Terminal resize event */
136 CONSTANT: KEY_EVENT 0o633 /* We were interrupted by an event */
137 CONSTANT: KEY_MAX 0o777 /* Maximum key value is 0633 */
138 CONSTANT: KEY_F0 0o410 /* Function keys. Space for 64 */
139 : KEY_F ( n -- code ) KEY_F0 + ; inline /* Value of function key n */
141 : BUTTON1_RELEASED ( -- mask ) 1 ffi:NCURSES_BUTTON_RELEASED ffi:NCURSES_MOUSE_MASK ; inline
142 : BUTTON1_PRESSED ( -- mask ) 1 ffi:NCURSES_BUTTON_PRESSED ffi:NCURSES_MOUSE_MASK ; inline
143 : BUTTON1_CLICKED ( -- mask ) 1 ffi:NCURSES_BUTTON_CLICKED ffi:NCURSES_MOUSE_MASK ; inline
144 : BUTTON1_DOUBLE_CLICKED ( -- mask ) 1 ffi:NCURSES_DOUBLE_CLICKED ffi:NCURSES_MOUSE_MASK ; inline
145 : BUTTON1_TRIPLE_CLICKED ( -- mask ) 1 ffi:NCURSES_TRIPLE_CLICKED ffi:NCURSES_MOUSE_MASK ; inline
146 : BUTTON2_RELEASED ( -- mask ) 2 ffi:NCURSES_BUTTON_RELEASED ffi:NCURSES_MOUSE_MASK ; inline
147 : BUTTON2_PRESSED ( -- mask ) 2 ffi:NCURSES_BUTTON_PRESSED ffi:NCURSES_MOUSE_MASK ; inline
148 : BUTTON2_CLICKED ( -- mask ) 2 ffi:NCURSES_BUTTON_CLICKED ffi:NCURSES_MOUSE_MASK ; inline
149 : BUTTON2_DOUBLE_CLICKED ( -- mask ) 2 ffi:NCURSES_DOUBLE_CLICKED ffi:NCURSES_MOUSE_MASK ; inline
150 : BUTTON2_TRIPLE_CLICKED ( -- mask ) 2 ffi:NCURSES_TRIPLE_CLICKED ffi:NCURSES_MOUSE_MASK ; inline
151 : BUTTON3_RELEASED ( -- mask ) 3 ffi:NCURSES_BUTTON_RELEASED ffi:NCURSES_MOUSE_MASK ; inline
152 : BUTTON3_PRESSED ( -- mask ) 3 ffi:NCURSES_BUTTON_PRESSED ffi:NCURSES_MOUSE_MASK ; inline
153 : BUTTON3_CLICKED ( -- mask ) 3 ffi:NCURSES_BUTTON_CLICKED ffi:NCURSES_MOUSE_MASK ; inline
154 : BUTTON3_DOUBLE_CLICKED ( -- mask ) 3 ffi:NCURSES_DOUBLE_CLICKED ffi:NCURSES_MOUSE_MASK ; inline
155 : BUTTON3_TRIPLE_CLICKED ( -- mask ) 3 ffi:NCURSES_TRIPLE_CLICKED ffi:NCURSES_MOUSE_MASK ; inline
156 : BUTTON4_RELEASED ( -- mask ) 4 ffi:NCURSES_BUTTON_RELEASED ffi:NCURSES_MOUSE_MASK ; inline
157 : BUTTON4_PRESSED ( -- mask ) 4 ffi:NCURSES_BUTTON_PRESSED ffi:NCURSES_MOUSE_MASK ; inline
158 : BUTTON4_CLICKED ( -- mask ) 4 ffi:NCURSES_BUTTON_CLICKED ffi:NCURSES_MOUSE_MASK ; inline
159 : BUTTON4_DOUBLE_CLICKED ( -- mask ) 4 ffi:NCURSES_DOUBLE_CLICKED ffi:NCURSES_MOUSE_MASK ; inline
160 : BUTTON4_TRIPLE_CLICKED ( -- mask ) 4 ffi:NCURSES_TRIPLE_CLICKED ffi:NCURSES_MOUSE_MASK ; inline
162 : BUTTON1_RESERVED_EVENT ( -- mask ) 1 ffi:NCURSES_RESERVED_EVENT ffi:NCURSES_MOUSE_MASK ; inline
163 : BUTTON2_RESERVED_EVENT ( -- mask ) 2 ffi:NCURSES_RESERVED_EVENT ffi:NCURSES_MOUSE_MASK ; inline
164 : BUTTON3_RESERVED_EVENT ( -- mask ) 3 ffi:NCURSES_RESERVED_EVENT ffi:NCURSES_MOUSE_MASK ; inline
165 : BUTTON4_RESERVED_EVENT ( -- mask ) 4 ffi:NCURSES_RESERVED_EVENT ffi:NCURSES_MOUSE_MASK ; inline
167 : BUTTON_CTRL ( -- mask ) 5 0o01 ffi:NCURSES_MOUSE_MASK ; inline
168 : BUTTON_SHIFT ( -- mask ) 5 0o02 ffi:NCURSES_MOUSE_MASK ; inline
169 : BUTTON_ALT ( -- mask ) 5 0o04 ffi:NCURSES_MOUSE_MASK ; inline
170 : REPORT_MOUSE_POSITION ( -- mask ) 5 0o10 ffi:NCURSES_MOUSE_MASK ; inline
172 : ALL_MOUSE_EVENTS ( -- mask ) REPORT_MOUSE_POSITION 1 - ; inline
174 ERROR: curses-failed ;
175 ERROR: unsupported-curses-terminal ;
179 : >BOOLEAN ( ? -- TRUE/FALSE ) ffi:TRUE ffi:FALSE ? ; inline
181 : curses-pointer-error ( ptr/f -- ptr )
182 [ throw-curses-failed ] unless* ; inline
183 : curses-error ( n -- ) ffi:ERR = [ throw-curses-failed ] when ;
187 : curses-ok? ( -- ? )
188 { 0 1 2 } [ isatty 0 = not ] all? ;
190 TUPLE: curses-window < disposable
193 { lines integer initial: 0 }
194 { columns integer initial: 0 }
195 { y integer initial: 0 }
196 { x integer initial: 0 }
198 { cbreak initial: t }
202 { scrollok initial: t }
203 { leaveok initial: f }
206 { keypad initial: t }
208 { encoding initial: utf8 } ;
210 : <curses-window> ( -- window )
211 curses-window new-disposable ;
213 M: curses-window dispose* ( window -- )
214 ptr>> ffi:delwin curses-error ;
218 : window-params ( window -- lines columns y x )
219 { [ lines>> ] [ columns>> ] [ y>> ] [ x>> ] } cleave ;
221 : set-cbreak/raw ( cbreak raw -- )
223 [ ffi:cbreak ] [ ffi:nocbreak ] if
226 : apply-window-options ( window -- )
228 [ [ ptr>> ] [ scrollok>> >BOOLEAN ] bi ffi:scrollok curses-error ]
229 [ [ ptr>> ] [ leaveok>> >BOOLEAN ] bi ffi:leaveok curses-error ]
230 [ [ ptr>> ] [ keypad>> >BOOLEAN ] bi ffi:keypad curses-error ]
233 : apply-global-options ( window -- )
234 [ [ cbreak>> ] [ raw>> ] bi set-cbreak/raw ]
235 [ echo>> [ ffi:echo ] [ ffi:noecho ] if curses-error ]
238 SYMBOL: n-registered-colors
240 MEMO: register-color ( fg bg -- n )
241 [ n-registered-colors get dup ] 2dip ffi:init_pair curses-error
242 n-registered-colors inc ;
246 1 n-registered-colors set
247 \ register-color reset-memoized
248 ffi:start_color curses-error
249 ffi:stdscr 0 f ffi:wcolor_set curses-error
254 : setup-window ( window -- window )
256 dup [ window-params ] keep
257 parent-window>> [ ptr>> ffi:derwin ] [ ffi:newwin ] if*
258 curses-pointer-error >>ptr &dispose
259 ] [ apply-window-options ] bi ;
261 : with-window ( window quot -- )
262 [ current-window ] dip with-variable ; inline
264 : with-curses ( window quot -- )
265 curses-ok? [ throw-unsupported-curses-terminal ] unless
268 ffi:initscr curses-pointer-error
271 [ apply-global-options ]
272 [ apply-window-options ]
273 [ ptr>> ffi:wclear curses-error ]
274 [ ptr>> ffi:wrefresh curses-error ]
280 ] [ ffi:endwin curses-error ] [ ] cleanup
281 ] with-destructors ; inline
285 : (wcrefresh) ( window-ptr -- )
286 ffi:wrefresh curses-error ; inline
288 : (wcwrite) ( string window-ptr -- )
289 swap ffi:waddstr curses-error ; inline
291 :: (wcread) ( n encoding window-ptr -- string )
293 n 1 + malloc &free :> str
294 window-ptr str n ffi:wgetnstr curses-error
295 str encoding alien>string
296 ] with-destructors ; inline
298 : (wcmove) ( y x window-ptr -- )
299 -rot ffi:wmove curses-error ; inline
301 : (winsert-blank-line) ( y window-ptr -- )
303 [ ffi:winsertln curses-error ] bi ; inline
305 : (waddch) ( ch window-ptr -- )
306 swap ffi:waddch curses-error ; inline
308 : (wgetch) ( window -- key )
309 ffi:wgetch [ curses-error ] keep ; inline
311 : (wattroff) ( attribute window-ptr -- )
312 swap ffi:wattroff curses-error ; inline
314 : (wattron) ( attribute window-ptr -- )
315 swap ffi:wattron curses-error ; inline
319 : wcrefresh ( window -- ) ptr>> (wcrefresh) ;
320 : crefresh ( -- ) current-window get wcrefresh ;
322 : wgetch ( window -- key ) ptr>> (wgetch) ;
323 : getch ( -- key ) current-window get wgetch ;
325 : wgetch-err ( window -- key ) ptr>> ffi:wgetch ;
326 : getch-err ( -- key ) current-window get wgetch-err ;
328 : waddch ( ch window -- ) ptr>> (waddch) ;
329 : addch ( ch -- ) current-window get waddch ;
331 : wcnl ( window -- ) [ CHAR: \n ] dip waddch ;
332 : cnl ( -- ) current-window get wcnl ;
334 : wcwrite ( string window -- ) ptr>> (wcwrite) ;
335 : cwrite ( string -- ) current-window get wcwrite ;
337 : wcprint ( string window -- )
338 ptr>> [ (wcwrite) ] [ CHAR: \n swap (waddch) ] bi ;
339 : cprint ( string -- ) current-window get wcprint ;
341 : wcprintf ( string window -- )
342 ptr>> [ (wcwrite) ] [ CHAR: \n swap (waddch) ]
343 [ (wcrefresh) ] tri ;
344 : cprintf ( string -- ) current-window get wcprintf ;
346 : wcwritef ( string window -- )
347 ptr>> [ (wcwrite) ] [ (wcrefresh) ] bi ;
348 : cwritef ( string -- ) current-window get wcwritef ;
350 : wcread ( n window -- string )
351 [ encoding>> ] [ ptr>> ] bi (wcread) ;
352 : cread ( n -- string ) current-window get wcread ;
354 : werase ( window -- ) ptr>> ffi:werase curses-error ;
355 : erase ( -- ) current-window get werase ;
357 : wcmove ( y x window -- )
358 ptr>> [ (wcmove) ] [ (wcrefresh) ] bi ;
359 : cmove ( y x -- ) current-window get wcmove ;
361 : wdelete-line ( y window -- )
362 ptr>> [ 0 swap (wcmove) ] [ ffi:wdeleteln curses-error ] bi ;
363 : delete-line ( y -- ) current-window get wdelete-line ;
365 : winsert-blank-line ( y window -- )
366 ptr>> (winsert-blank-line) ;
367 : insert-blank-line ( y -- )
368 current-window get winsert-blank-line ;
370 : winsert-line ( string y window -- )
371 ptr>> [ (winsert-blank-line) ] [ (wcwrite) ] bi ;
372 : insert-line ( string y -- )
373 current-window get winsert-line ;
375 : wattron ( attribute window -- ) ptr>> (wattron) ;
376 : attron ( attribute -- ) current-window get wattron ;
378 : wattroff ( attribute window -- ) ptr>> (wattroff) ;
379 : attroff ( attribute -- ) current-window get wattroff ;
381 : wall-attroff ( window -- ) [ A_NORMAL ] dip wattroff ;
382 : all-attroff ( -- ) current-window get wall-attroff ;
384 : wccolor ( foreground background window -- )
385 [ register-color ] dip ptr>> swap f ffi:wcolor_set curses-error ;
387 : ccolor ( foreground background -- )
388 current-window get wccolor ;
390 : wccbox ( window -- )
391 ptr>> 0 0 ffi:box curses-error ;
393 current-window get wccbox ;
395 SYMBOLS: +pressed+ +released+ +clicked+ +double+ +triple+ ;
409 : substate-n ( bstate n -- substate )
410 [ 1 + ffi:NCURSES_BUTTON_RELEASED ffi:NCURSES_MOUSE_MASK 1 - bitand ] keep
411 1 - -6 * shift ; inline
413 : button-n? ( bstate n -- ? ) substate-n 0 = not ; inline
415 : fill-in-type ( mouse-event bstate button -- )
417 { BUTTON1_RELEASED [ +released+ ] }
418 { BUTTON1_PRESSED [ +pressed+ ] }
419 { BUTTON1_CLICKED [ +clicked+ ] }
420 { BUTTON1_DOUBLE_CLICKED [ +double+ ] }
421 { BUTTON1_TRIPLE_CLICKED [ +triple+ ] }
422 } case >>type drop ; inline
424 : fill-in-bstate ( mouse-event bstate -- )
426 { [ dup 1 button-n? ] [ [ 1 >>button ] dip 1 fill-in-type ] }
427 { [ dup 2 button-n? ] [ [ 2 >>button ] dip 2 fill-in-type ] }
428 { [ dup 3 button-n? ] [ [ 3 >>button ] dip 3 fill-in-type ] }
429 { [ dup 4 button-n? ] [ [ 4 >>button ] dip 4 fill-in-type ] }
432 [ BUTTON_CTRL bitand 0 = not [ t >>ctrl ] when drop ]
433 [ BUTTON_SHIFT bitand 0 = not [ t >>shift ] when drop ]
434 [ BUTTON_ALT bitand 0 = not [ t >>alt ] when drop ]
437 : <mouse-event> ( MEVENT -- mouse-event )
438 [ mouse-event new ] dip {
442 [ bstate>> fill-in-bstate ]
448 : getmouse ( -- mouse-event/f )
450 ffi:MEVENT malloc-struct &free
452 ffi:ERR = [ drop f ] [ <mouse-event> ] if
455 : mousemask ( mask -- newmask oldmask )
456 0 ulong <ref> [ ffi:mousemask ] keep ulong deref ;
458 : wget-yx ( window -- y x )
459 ptr>> [ _cury>> ] [ _curx>> ] bi ;
461 current-window get wget-yx ;
463 : wget-y ( window -- y )
466 current-window get wget-y ;
467 : wget-x ( window -- x )
470 current-window get wget-x ;
472 : wget-max-yx ( window -- y x )
473 ptr>> [ _maxy>> 1 + ] [ _maxx>> 1 + ] bi ;
474 : get-max-yx ( -- y x )
475 current-window get wget-max-yx ;
477 : wget-max-y ( window -- y )
480 current-window get wget-max-y ;
481 : wget-max-x ( window -- x )
484 current-window get wget-max-x ;