350 lines
7.5 KiB
Plaintext
350 lines
7.5 KiB
Plaintext
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.\" Copyright (c) 1980, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)doc.I 8.1 (Berkeley) 6/4/93
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.\"
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.Ds
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.Fd addch ch \*m
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char ch;
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.Fd waddch win\*,ch
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WINDOW *win;
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char ch;
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.De
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Add the character
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.Vn ch
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on the window
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at the current \*y.
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If the character is a newline
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(\'\en\')
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the line will be cleared to the end,
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and the current \*y will be changed to the
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beginning off the next line
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if newline mapping is on,
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or to the next line at the same x co-ordinate
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if it is off.
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A return
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(\'\er\')
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will move to the beginning of the line on the window.
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Tabs
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(\'\et\')
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will be expanded into spaces
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in the normal tabstop positions of
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every eight characters.
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\*(Es
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.Ds
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.Fd addstr str \*m
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char *str;
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.Fd waddstr win\*,str
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WINDOW *win;
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char *str;
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.De
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Add the string pointed to by
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.Vn str
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on the window at the current \*y.
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\*(Es
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In this case, it will put on as much as it can.
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.Ds
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.Fd box win\*,vert\*,hor
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WINDOW *win;
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char vert\*,hor;
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.De
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.Pp
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Draws a box around the window using
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.Vn vert
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as the character for drawing the vertical sides, and
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.Vn hor
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for drawing the horizontal lines.
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If scrolling is not allowed,
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and the window encompasses the lower right-hand corner of the terminal,
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the corners are left blank to avoid a scroll.
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.Ds
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.Fd clear "" \*m
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.Fd wclear win
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WINDOW *win;
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.De
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Resets the entire window to blanks.
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If
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.Vn win
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is a screen,
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this sets the clear flag,
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which will cause a clear-screen sequence to be sent
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on the next
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.Fn refresh
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call.
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This also moves the current \*y
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to (0\*,0).
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.Ds
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.Fd clearok scr\*,boolf \*m
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WINDOW *scr;
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bool boolf;
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.De
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Sets the clear flag for the screen
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.Vn scr .
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If
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.Vn boolf
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is TRUE,
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this will force a clear-screen to be printed on the next
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.Fn refresh ,
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or stop it from doing so if
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.Vn boolf
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is FALSE.
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This only works on screens,
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and,
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unlike
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.Fn clear ,
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does not alter the contents of the screen.
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If
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.Vn scr
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is
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.Vn curscr ,
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the next
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.Fn refresh
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call will cause a clear-screen,
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even if the window passed to
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.Fn refresh
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is not a screen.
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.Ds
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.Fd clrtobot "" \*m
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.Fd wclrtobot win
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WINDOW *win;
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.De
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Wipes the window clear from the current \*y to the bottom.
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This does not force a clear-screen sequence on the next refresh
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under any circumstances.
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\*(Nm
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.Ds
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.Fd clrtoeol "" \*m
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.Fd wclrtoeol win
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WINDOW *win;
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.De
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Wipes the window clear from the current \*y to the end of the line.
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\*(Nm
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.Ds
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.Fd delch
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.Fd wdelch win
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WINDOW *win;
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.De
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Delete the character at the current \*y.
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Each character after it on the line shifts to the left,
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and the last character becomes blank.
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.Ds
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.Fd deleteln
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.Fd wdeleteln win
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WINDOW *win;
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.De
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Delete the current line.
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Every line below the current one will move up,
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and the bottom line will become blank.
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The current \*y will remain unchanged.
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.Ds
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.Fd erase "" \*m
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.Fd werase win
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WINDOW *win;
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.De
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Erases the window to blanks without setting the clear flag.
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This is analagous to
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.Fn clear ,
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except that it never causes a clear-screen sequence to be generated
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on a
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.Fn refresh .
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\*(Nm
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.Ds
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.Fd flushok win\*,boolf \*m
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WINDOW *win;
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bool boolf;
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.De
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Normally,
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.Fn refresh
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.Fn fflush 's
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.Vn stdout
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when it is finished.
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.Fn flushok
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allows you to control this.
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if
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.Vn boolf
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is TRUE
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(\c
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.i i.e. ,
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non-zero)
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it will do the
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.Fn fflush ;
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if it is FALSE.
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it will not.
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.Ds
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.Fd idlok win\*,boolf
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WINDOW *win;
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bool boolf;
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.De
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Reserved for future use.
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This will eventually signal to
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.Fn refresh
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that it is all right to use the insert and delete line sequences
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when updating the window.
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.Ds
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.Fd insch c
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char c;
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.Fd winsch win\*,c
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WINDOW *win;
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char c;
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.De
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Insert
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.Vn c
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at the current \*y
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Each character after it shifts to the right,
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and the last character disappears.
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\*(Es
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.Ds
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.Fd insertln
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.Fd winsertln win
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WINDOW *win;
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.De
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Insert a line above the current one.
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Every line below the current line
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will be shifted down,
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and the bottom line will disappear.
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The current line will become blank,
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and the current \*y will remain unchanged.
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.Ds
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.Fd move y\*,x \*m
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int y\*,x;
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.Fd wmove win\*,y\*,x
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WINDOW *win;
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int y\*,x;
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.De
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Change the current \*y of the window to
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.Vn y\*,x ). (
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\*(Es
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.Ds
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.Fd overlay win1\*,win2
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WINDOW *win1\*,*win2;
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.De
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Overlay
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.Vn win1
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on
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.Vn win2 .
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The contents of
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.Vn win1 ,
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insofar as they fit,
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are placed on
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.Vn win2
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at their starting \*y.
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This is done non-destructively,
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i.e., blanks on
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.Vn win1
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leave the contents of the space on
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.Vn win2
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untouched.
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.Ds
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.Fd overwrite win1\*,win2
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WINDOW *win1\*,*win2;
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.De
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Overwrite
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.Vn win1
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on
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.Vn win2 .
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The contents of
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.Vn win1 ,
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insofar as they fit,
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are placed on
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.Vn win2
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at their starting \*y.
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This is done destructively,
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.i i.e. ,
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blanks on
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.Vn win1
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become blank on
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.Vn win2 .
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.Ds
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.Fd printw fmt\*,arg1\*,arg2\*,...
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char *fmt;
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.Fd wprintw win\*,fmt\*,arg1\*,arg2\*,...
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WINDOW *win;
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char *fmt;
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.De
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Performs a
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.Fn printf
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on the window starting at the current \*y.
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It uses
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.Fn addstr
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to add the string on the window.
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It is often advisable to use the field width options of
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.Fn printf
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to avoid leaving things on the window from earlier calls.
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\*(Es
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.Ds
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.Fd refresh "" \*m
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.Fd wrefresh win
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WINDOW *win;
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.De
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Synchronize the terminal screen with the desired window.
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If the window is not a screen,
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only that part covered by it is updated.
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\*(Es
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In this case, it will update whatever it can
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without causing the scroll.
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.sp
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As a special case,
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if
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.Fn wrefresh
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is called with the window
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.Vn curscr
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the screen is cleared
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and repainted as it is currently.
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This is very useful for allowing the redrawing of the screen
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when the user has garbage dumped on his terminal.
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.Ds
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.Fd standout "" \*m
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.Fd wstandout win
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WINDOW *win;
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.Fd standend "" \*m
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.Fd wstandend win
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WINDOW *win;
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.De
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Start and stop putting characters onto
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.i win
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in standout mode.
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.Fn standout
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causes any characters added to the window
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to be put in standout mode on the terminal
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(if it has that capability).
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.Fn standend
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stops this.
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The sequences
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.Vn SO
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and
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.Vn SE
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(or
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.Vn US
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and
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.Vn UE
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if they are not defined)
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are used (see Appendix A).
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