diff options
Diffstat (limited to 'Utilities/cmpdcurses/pdcurses/delch.c')
-rw-r--r-- | Utilities/cmpdcurses/pdcurses/delch.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/Utilities/cmpdcurses/pdcurses/delch.c b/Utilities/cmpdcurses/pdcurses/delch.c new file mode 100644 index 0000000..970a5a8 --- /dev/null +++ b/Utilities/cmpdcurses/pdcurses/delch.c @@ -0,0 +1,96 @@ +/* PDCurses */ + +#include <curspriv.h> + +/*man-start************************************************************** + +delch +----- + +### Synopsis + + int delch(void); + int wdelch(WINDOW *win); + int mvdelch(int y, int x); + int mvwdelch(WINDOW *win, int y, int x); + +### Description + + The character under the cursor in the window is deleted. All + characters to the right on the same line are moved to the left one + position and the last character on the line is filled with a blank. + The cursor position does not change (after moving to y, x if + coordinates are specified). + +### Return Value + + All functions return OK on success and ERR on error. + +### Portability + X/Open ncurses NetBSD + delch Y Y Y + wdelch Y Y Y + mvdelch Y Y Y + mvwdelch Y Y Y + +**man-end****************************************************************/ + +#include <string.h> + +int wdelch(WINDOW *win) +{ + int y, x, maxx; + chtype *temp1; + + PDC_LOG(("wdelch() - called\n")); + + if (!win) + return ERR; + + y = win->_cury; + x = win->_curx; + maxx = win->_maxx - 1; + temp1 = &win->_y[y][x]; + + memmove(temp1, temp1 + 1, (maxx - x) * sizeof(chtype)); + + /* wrs (4/10/93) account for window background */ + + win->_y[y][maxx] = win->_bkgd; + + win->_lastch[y] = maxx; + + if ((win->_firstch[y] == _NO_CHANGE) || (win->_firstch[y] > x)) + win->_firstch[y] = x; + + PDC_sync(win); + + return OK; +} + +int delch(void) +{ + PDC_LOG(("delch() - called\n")); + + return wdelch(stdscr); +} + +int mvdelch(int y, int x) +{ + PDC_LOG(("mvdelch() - called\n")); + + if (move(y, x) == ERR) + return ERR; + + return wdelch(stdscr); +} + +int mvwdelch(WINDOW *win, int y, int x) +{ + PDC_LOG(("mvwdelch() - called\n")); + + if (wmove(win, y, x) == ERR) + return ERR; + + return wdelch(win); +} |