CURSES_TOUCH(3)         NetBSD Library Functions Manual        CURSES_TOUCH(3)

curses_touch, touchline, touchoverlap, touchwin, untouchwin, wtouchln, is_linetouched, is_wintouched, redrawwin, wredrawln -- curses window mod- ification routines
Curses Library (libcurses, -lcurses)
#include <curses.h> int touchline(WINDOW *win, int start, int count); int touchoverlap(WINDOW *win1, WINDOW *win2); int touchwin(WINDOW *win); int untouchwin(WINDOW *win); int wtouchln(WINDOW *win, int line, int n, boolf changed); bool is_linetouched(WINDOW *win, int line); bool is_wintouched(WINDOW *win); int redrawwin(WINDOW *win); int wredrawln(WINDOW *win, int line, int n);
These functions mark lines and windows as modified and check the modifi- cation status of lines and windows. The touchline() function marks count lines starting from start in window win as having been modified. These characters will be synced to the ter- minal on the next call to wrefresh(). The touchoverlap() function marks the portion of win2 that overlaps win1 as being modified. The touchwin() function marks the entire window win as having been modi- fied. Conversely, the untouchwin() function marks the window win as being unmodified, so that any changes made to that window will not be synced to the terminal during a wrefresh(). The wtouchln() function performs one of two operations on n lines start- ing at line in the given window. If changed is 1 then the given line range is marked as being modified, if changed is 0 then the given line range is set to being unmodified. The is_linetouched() function returns TRUE if line in window win has been modified since the last refresh was done, otherwise FALSE is returned. is_wintouched() returns TRUE if the window win has been modified since the last refresh, otherwise FALSE is returned. The redrawwin() function marks the entire window win as having been cor- rupted. Is is equivalent to the touchwin() function. The wredrawln() function marks n lines starting at line in the given win- dow as corrupted. It is equivalent to wtouchln(win, line, n, 1).
Functions returning pointers will return NULL if an error is detected. The functions that return an int will return one of the following values: OK The function completed successfully. ERR An error occurred in the function.
The NetBSD Curses library complies with the X/Open Curses specification, part of the Single Unix Specification.
The Curses package appeared in 4.0BSD. NetBSD 5.0 March 4, 2005 NetBSD 5.0

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