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127 lines
2.8 KiB
127 lines
2.8 KiB
3 years ago
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/* PDCurses */
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#include <curspriv.h>
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/*man-start**************************************************************
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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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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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### Description
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The inch() functions retrieve the character and attribute from the
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current or specified window position, in the form of a chtype. If a
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NULL window is specified, (chtype)ERR is returned.
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The in_wch() functions are the wide-character versions; instead of
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returning a chtype, they store a cchar_t at the address specified by
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wcval, and return OK or ERR. (No value is stored when ERR is
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returned.) Note that in PDCurses, chtype and cchar_t are the same.
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### Portability
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X/Open ncurses NetBSD
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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 Y Y
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win_wch Y Y Y
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mvin_wch Y Y Y
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mvwin_wch Y Y Y
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**man-end****************************************************************/
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chtype winch(WINDOW *win)
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{
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PDC_LOG(("winch() - called\n"));
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if (!win)
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return (chtype)ERR;
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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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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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PDC_LOG(("mvinch() - called\n"));
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if (move(y, x) == ERR)
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return (chtype)ERR;
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return stdscr->_y[stdscr->_cury][stdscr->_curx];
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}
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chtype mvwinch(WINDOW *win, int y, int x)
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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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return (chtype)ERR;
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return win->_y[win->_cury][win->_curx];
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}
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#ifdef PDC_WIDE
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int win_wch(WINDOW *win, cchar_t *wcval)
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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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return ERR;
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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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int in_wch(cchar_t *wcval)
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{
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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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int mvin_wch(int y, int x, cchar_t *wcval)
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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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return ERR;
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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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int mvwin_wch(WINDOW *win, int y, int x, cchar_t *wcval)
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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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return ERR;
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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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