33254aaaad
Gregory Nutt is the copyright holder for those files and he has submitted the SGA as a result we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
135 lines
3.6 KiB
C
135 lines
3.6 KiB
C
/****************************************************************************
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* apps/graphics/pdcurses/pdc_delch.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Adapted from the original public domain pdcurses by Gregory Nutt
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****************************************************************************/
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/* Name: delch
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*
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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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*
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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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*
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* Return Value:
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* All functions return OK on success and ERR on error.
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*
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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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*/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <string.h>
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#include "curspriv.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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int wdelch(WINDOW *win)
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{
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int x;
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int y;
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int 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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{
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return ERR;
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}
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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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{
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win->_firstch[y] = x;
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}
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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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#ifdef CONFIG_PDCURSES_MULTITHREAD
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FAR struct pdc_context_s *ctx = PDC_ctx();
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#endif
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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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#ifdef CONFIG_PDCURSES_MULTITHREAD
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FAR struct pdc_context_s *ctx = PDC_ctx();
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#endif
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PDC_LOG(("mvdelch() - called\n"));
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if (move(y, x) == ERR)
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{
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return ERR;
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}
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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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{
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return ERR;
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}
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return wdelch(win);
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}
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