curses(3)
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CURSES(3) NetBSD Programmer's Manual CURSES(3)
NAME
curses - screen functions with ``optimal'' cursor motion
LIBRARY
Curses Library (libcurses, -lcurses)
SYNOPSIS
cc [flags] files -lcurses -ltermcap [libraries]
DESCRIPTION
These routines give the user a method of updating screens with reasonable
optimization. They keep an image of the current screen, and the user
sets up an image of a new one. Then the refresh() tells the routines to
make the current screen look like the new one. In order to initialize
the routines, the routine initscr() must be called before any of the oth-
er routines that deal with windows and screens are used. The routine
endwin() should be called before exiting. The routine start_color() must
be called before any of the other routines that deal with color are used.
SEE ALSO
ioctl(2), getenv(3), tty(4), termcap(5)
Ken Arnold, Screen Updating and Cursor Movement Optimization: A Library
Package.
AUTHOR
Ken Arnold
FUNCTIONS
addch(ch) add a character to stdscr
addstr(str) add a string to stdscr
addnstr(str,len) add no more than len chars of
string to stdscr
attron(attribute) turn on attribute modes
attroff(attribute) turn off attribute modes
attrset(attribute) set attribute modes
beep() sound the terminal bell
bkgd(ch) set background rendition for
stdscr and applies this rendi-
tion to stdscr
bkgdset(ch) set background rendition for
stdscr
border(ls,rs,ts,bs,tl,tr,bl,br) draw a border around stdscr
box(win,vert,hor) draw a box around a window
can_change_colors() check if terminal can change
colors
cbreak() set cbreak mode
clear() clear stdscr
clearok(win,boolf) set clear flag for win
clrtobot() clear to bottom on stdscr
clrtoeol() clear to end of line on stdscr
color_content(c, r, g, b) get rgb values of color
copywin(srcwin,dstwin,sminrow,smincol,dminrow,dmincol,dmaxrow,dmaxcol,overlay)
Copy rectangle from srcwin to
dstwin. If overlay is true
then copy is nondestructive.
curs_set(vis) change cursor visibility, 0 is
invisible, 1 is normal, 2 is
high visibility. Returns pre-
vious value on success.
delay_output(ms) pause output for ms millisec-
onds using terminal pad charac-
ter.
def_prog_mode() define program (in curses)
terminal modes
def_shell_mode() define shell (not in curses)
terminal modes
delch() delete a character
deleteln() delete a line
delwin(win) delete win
derwin(win,lines,cols,begin_y,begin_x) create a subwindow relative to
win.
doupdate() make current screen look like
virtual screen
dupwin(win) duplicate win
echo() set echo mode
endwin() end window modes
erase() erase stdscr
erasechar() Return the terminal erase
character
flash() flash the terminal screen
flushinp() flush terminal input
flushok(win,boolf) set flush-on-refresh flag for
win
fullname(termbuf,name) get full name from termbuf
getattrs(win) get attributes for win
getbkgd(win) get background rendition for
win
getcap(name) get terminal capability name
getch() get a char through stdscr
getcury(win) get current y position on win
getcurx(win) get current x position on win
getbegy(win) get start y position on win
getbegx(win) get start x position on win
getmaxy(win) get maximum y position on win
getmaxx(win) get maximum x position on win
getstr(str) get a string through stdscr
gettmode() get tty modes
getyx(win,y,x) get (y,x) co-ordinates
has_colors() check if terminal has colors
hline(ch, count) draw a horizontal line of
character ch.
idlok(win,boolf) set insert/deleteln flags for
win
inch() get char at current (y,x) co-
ordinates
init_color(c, r, g, b) set rgb values of color
init_pair(p, f, b) set foreground and background
colors of pair
initscr() initialize screens
insch(c) insert a char
insdelln(n) insert/delete n lines on stdstr
insertln() insert a line
intrflush(win,boolf) set flush on interrupt terminal
mode
is_linetouched(win, line) check if line has been modified
since last refresh.
is_wintouched(win) Check if window has been
modified since last refresh.
isendwin() check if endwin() or wrefresh()
was called latest
keypad(win,boolf) set keypad flag for win
killchar() Return the terminal kill
character.
leaveok(win,boolf) set leave flag for win
longname(termbuf,name) get long name from termbuf
meta(win,boolf) turn terminal meta mode on and
off. Note win is always ig-
nored.
move(y,x) move to (y,x) on stdscr
mvcur(lasty,lastx,newy,newx) actually move cursor
mvhline(y, x, ch, count) move to y, x and draw a hori-
zontal line of character ch for
count characters.
mvvline(y, x, ch, count) move to y, x and draw a verti-
cal line of character ch for
count characters.
mvwhline(win, y, x, ch, count) move to y, x and draw a hori-
zontal line of character ch for
count characters on window win.
mvwvline(win, y, x, ch, count) move to y, x and draw a verti-
cal line of character ch for
count characters on window win.
napms(ms) sleep for ms milliseconds.
newwin(lines,cols,begin_y,begin_x) create a new window
nl() set newline mapping
nocbreak() unset cbreak mode
nodelay(win,boolf) unset blocking reads for win
noecho() unset echo mode
nonl() unset newline mapping
noraw() unset raw mode
notimeout(win, boolf) unset infinite timeout on
keypad assembly for win
overlay(win1,win2) overlay win1 on win2
overwrite(win1,win2) overwrite win1 on top of win2
pair_content(p, r, g, b) get foreground and background
colors of pair_content(p,0
printw(fmt,arg1,arg2,...) printf on stdscr
raw() set raw mode
refresh() make current screen look like
stdscr
reset_prog_mode() restore program (in curses)
terminal modes
reset_shell_mode() restore shell (not in curses)
terminal modes
resetty() reset tty flags to stored value
savetty() stored current tty flags
scanw(fmt,arg1,arg2,...) scanf through stdscr
scrl(n) scroll stdscr n lines
scroll(win) scroll win one line
scrollok(win,boolf) set scroll flag for win
setterm(name) set term variables for name
standend() end standout mode
standout() start standout mode
start_color() initialise color
subwin(win,lines,cols,begin_y,begin_x) create a subwindow
timeout(delay) set blocking or non-blocking
read for stdscr
touchline(win,y,sx,ex) mark line y sx through sy as
changed
touchoverlap(win1,win2) mark overlap of win1 on win2 as
changed
touchwin(win) change all of win
unctrl(ch) printable version of ch
underend() end underscore mode
underscore() start underscore mode
ungetch(ch) Put character back onto input
queue.
untouchwin(win) Make window appear not to have
been modified.
vline(ch, count) Draw a vertical line of
character ch.
waddch(win,ch) add char to win
waddstr(win,str) add string to win
wattron(win,attribute) turn on attribute modes for win
wattroff(win,attribute) turn off attribute modes for
win
wattrset(win,attribute) set attribute modes for win
wbkgd(win, ch) set background rendition for
win and apply this rendition to
win
wbkgdset(win, ch) set background rendition for
win
wborder(win,ls,rs,ts,bs,tl,tr,bl,br) draw a border around win
wclear(win) clear win
wclrtobot(win) clear to bottom of win
wclrtoeol(win) clear to end of line on win
wdelch(win) delete char from win
wdeleteln(win) delete line from win
werase(win) erase win
wgetch(win) get a char through win
wgetstr(win,str) get a string through win
whline(win, ch, count) Draw a horizontal line of
character ch on window win.
winch(win) get char at current (y,x) in
win
winsch(win,c) insert char into win
winsdelln(win,n) insert/delete n lines on win
winsertln(win) insert line into win
wmove(win,y,x) set current (y,x) co-ordinates
on win
wnoutrefresh(win) add win to virtual screen
wprintw(win,fmt,arg1,arg2,...) printf on win
wrefresh(win) make screen look like win
wscanw(win,fmt,arg1,arg2,...) scanf through win
wscrl(win,n) scroll win n lines
wstandend(win) end standout mode on win
wstandout(win) start standout mode on win
wtimeout(win,delay) set blocking or non-blocking
read for win
wtouchln(win, line, n, changed) If changed is 1 then touch n
lines starting at line in win-
dow win. If changed is 0 then
untouch n lines starting at
line in window win
wunderend(win) end underscore mode on win
wunderscore(win) start underscore mode on win
wvline(win, ch, count) Draw a vertical line of
character ch on window win.
HISTORY
The curses package appeared in 4.0BSD.
NetBSD 1.5 March 11, 1999 4
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