2017-11-17 20:12:59 +01:00
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/****************************************************************************
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* apps/graphics/pdcurses/pdc_inch.c
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*
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2022-03-09 15:48:47 +01:00
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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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2017-11-17 20:12:59 +01:00
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*
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2022-03-09 15:48:47 +01:00
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* http://www.apache.org/licenses/LICENSE-2.0
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2017-11-17 20:12:59 +01:00
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*
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2022-03-09 15:48:47 +01:00
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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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2017-11-17 20:12:59 +01:00
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*
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****************************************************************************/
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2022-03-09 15:48:47 +01:00
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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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2017-11-17 20:12:59 +01:00
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/* Name: inch
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*
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* Synopsis:
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* chtype inch(void);
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* chtype winch(WINDOW *win);
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* chtype mvinch(int y, int x);
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* chtype mvwinch(WINDOW *win, int y, int x);
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*
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* int in_wch(cchar_t *wcval);
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* int win_wch(WINDOW *win, cchar_t *wcval);
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* int mvin_wch(int y, int x, cchar_t *wcval);
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* int mvwin_wch(WINDOW *win, int y, int x, cchar_t *wcval);
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*
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* Description:
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2017-11-17 20:23:02 +01:00
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* The inch() functions retrieve the character and attribute from
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* the current or specified window position, in the form of a
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2017-11-17 20:12:59 +01:00
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* chtype. If a NULL window is specified, (chtype)ERR is returned.
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*
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2017-11-17 20:23:02 +01:00
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* The in_wch() functions are the wide-character versions; instead
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* of returning a chtype, they store a cchar_t at the address
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* specified by wcval, and return OK or ERR. (No value is stored
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* when ERR is returned.) Note that in PDCurses, chtype and cchar_t
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2017-11-17 20:12:59 +01:00
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* are the same.
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*
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* Portability X/Open BSD SYS V
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* inch Y Y Y
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* winch Y Y Y
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* mvinch Y Y Y
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* mvwinch Y Y Y
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* in_wch Y
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* win_wch Y
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* mvin_wch Y
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* mvwin_wch Y
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*/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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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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2017-11-18 01:23:23 +01:00
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chtype winch(WINDOW *win)
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2017-11-17 20:12:59 +01:00
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{
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PDC_LOG(("winch() - called\n"));
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if (!win)
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{
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return (chtype) ERR;
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}
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return win->_y[win->_cury][win->_curx];
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}
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chtype inch(void)
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{
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2019-01-05 20:25:12 +01:00
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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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2017-11-17 20:12:59 +01:00
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PDC_LOG(("inch() - called\n"));
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return winch(stdscr);
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}
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chtype mvinch(int y, int x)
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{
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2019-01-05 20:25:12 +01:00
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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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2017-11-17 20:12:59 +01:00
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PDC_LOG(("mvinch() - called\n"));
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if (move(y, x) == ERR)
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{
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return (chtype)ERR;
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}
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return stdscr->_y[stdscr->_cury][stdscr->_curx];
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}
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2017-11-18 01:23:23 +01:00
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chtype mvwinch(WINDOW *win, int y, int x)
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2017-11-17 20:12:59 +01:00
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{
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PDC_LOG(("mvwinch() - called\n"));
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if (wmove(win, y, x) == ERR)
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{
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return (chtype) ERR;
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}
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return win->_y[win->_cury][win->_curx];
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}
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#ifdef CONFIG_PDCURSES_WIDE
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int win_wch(WINDOW *win, cchar_t *wcval)
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2017-11-17 20:12:59 +01:00
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{
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PDC_LOG(("win_wch() - called\n"));
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if (!win || !wcval)
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{
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return ERR;
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}
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*wcval = win->_y[win->_cury][win->_curx];
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return OK;
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}
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2017-11-18 01:23:23 +01:00
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int in_wch(cchar_t *wcval)
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2017-11-17 20:12:59 +01:00
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{
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2019-01-05 20:25:12 +01:00
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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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2017-11-17 20:12:59 +01:00
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PDC_LOG(("in_wch() - called\n"));
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return win_wch(stdscr, wcval);
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}
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2017-11-18 01:23:23 +01:00
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int mvin_wch(int y, int x, cchar_t *wcval)
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2017-11-17 20:12:59 +01:00
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{
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PDC_LOG(("mvin_wch() - called\n"));
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if (!wcval || (move(y, x) == ERR))
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{
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return ERR;
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}
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*wcval = stdscr->_y[stdscr->_cury][stdscr->_curx];
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return OK;
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}
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2017-11-18 01:23:23 +01:00
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int mvwin_wch(WINDOW *win, int y, int x, cchar_t *wcval)
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2017-11-17 20:12:59 +01:00
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{
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PDC_LOG(("mvwin_wch() - called\n"));
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if (!wcval || (wmove(win, y, x) == ERR))
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{
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return ERR;
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}
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*wcval = win->_y[win->_cury][win->_curx];
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return OK;
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}
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#endif
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