94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
/* Public Domain Curses */
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#include <curspriv.h>
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RCSID("$Id: delch.c,v 1.33 2008/07/13 16:08:18 wmcbrine Exp $")
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/*man-start**************************************************************
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Name: delch
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Synopsis:
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int delch(void);
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int wdelch(WINDOW *win);
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int mvdelch(int y, int x);
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int mvwdelch(WINDOW *win, int y, int x);
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Description:
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The character under the cursor in the window is deleted. All
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characters to the right on the same line are moved to the left
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one position and the last character on the line is filled with
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a blank. The cursor position does not change (after moving to
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y, x if coordinates are specified).
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Return Value:
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All functions return OK on success and ERR on error.
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Portability X/Open BSD SYS V
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delch Y Y Y
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wdelch Y Y Y
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mvdelch Y Y Y
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mvwdelch Y Y Y
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**man-end****************************************************************/
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#include <string.h>
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int wdelch(WINDOW *win)
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{
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int y, x, maxx;
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chtype *temp1;
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PDC_LOG(("wdelch() - called\n"));
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if (!win)
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return ERR;
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y = win->_cury;
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x = win->_curx;
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maxx = win->_maxx - 1;
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temp1 = &win->_y[y][x];
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memmove(temp1, temp1 + 1, (maxx - x) * sizeof(chtype));
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/* wrs (4/10/93) account for window background */
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win->_y[y][maxx] = win->_bkgd;
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win->_lastch[y] = maxx;
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if ((win->_firstch[y] == _NO_CHANGE) || (win->_firstch[y] > x))
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win->_firstch[y] = x;
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PDC_sync(win);
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return OK;
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}
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int delch(void)
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{
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PDC_LOG(("delch() - called\n"));
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return wdelch(stdscr);
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}
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int mvdelch(int y, int x)
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{
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PDC_LOG(("mvdelch() - called\n"));
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if (move(y, x) == ERR)
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return ERR;
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return wdelch(stdscr);
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}
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int mvwdelch(WINDOW *win, int y, int x)
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{
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PDC_LOG(("mvwdelch() - called\n"));
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if (wmove(win, y, x) == ERR)
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return ERR;
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return wdelch(win);
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}
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