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271 lines
6.4 KiB
271 lines
6.4 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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insch
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-----
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### Synopsis
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int insch(chtype ch);
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int winsch(WINDOW *win, chtype ch);
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int mvinsch(int y, int x, chtype ch);
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int mvwinsch(WINDOW *win, int y, int x, chtype ch);
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int insrawch(chtype ch);
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int winsrawch(WINDOW *win, chtype ch);
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int mvinsrawch(int y, int x, chtype ch);
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int mvwinsrawch(WINDOW *win, int y, int x, chtype ch);
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int ins_wch(const cchar_t *wch);
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int wins_wch(WINDOW *win, const cchar_t *wch);
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int mvins_wch(int y, int x, const cchar_t *wch);
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int mvwins_wch(WINDOW *win, int y, int x, const cchar_t *wch);
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### Description
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The insch() functions insert a chtype into the window at the current
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or specified cursor position. The cursor is NOT advanced. A newline
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is equivalent to clrtoeol(); tabs are expanded; other control
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characters are converted as with unctrl().
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The ins_wch() functions are the wide-character equivalents, taking
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cchar_t pointers rather than chtypes.
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Video attributes can be combined with a character by ORing them into
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the parameter. Text, including attributes, can be copied from one
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place to another using inch() and insch().
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insrawch() etc. are PDCurses-specific wrappers for insch() etc. that
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disable the translation of control characters.
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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
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X/Open ncurses NetBSD
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insch Y Y Y
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winsch Y Y Y
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mvinsch Y Y Y
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mvwinsch Y Y Y
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ins_wch Y Y Y
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wins_wch Y Y Y
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mvins_wch Y Y Y
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mvwins_wch Y Y Y
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insrawch - - -
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winsrawch - - -
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**man-end****************************************************************/
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#include <string.h>
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int winsch(WINDOW *win, chtype ch)
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{
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int x, y;
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chtype attr;
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bool xlat;
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PDC_LOG(("winsch() - called: win=%p ch=%x (text=%c attr=0x%x)\n",
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win, ch, ch & A_CHARTEXT, ch & A_ATTRIBUTES));
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if (!win)
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return ERR;
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x = win->_curx;
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y = win->_cury;
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if (y > win->_maxy || x > win->_maxx || y < 0 || x < 0)
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return ERR;
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xlat = !SP->raw_out && !(ch & A_ALTCHARSET);
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attr = ch & A_ATTRIBUTES;
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ch &= A_CHARTEXT;
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if (xlat && (ch < ' ' || ch == 0x7f))
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{
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int x2;
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switch (ch)
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{
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case '\t':
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for (x2 = ((x / TABSIZE) + 1) * TABSIZE; x < x2; x++)
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{
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if (winsch(win, attr | ' ') == ERR)
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return ERR;
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}
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return OK;
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case '\n':
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wclrtoeol(win);
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break;
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case 0x7f:
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if (winsch(win, attr | '?') == ERR)
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return ERR;
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return winsch(win, attr | '^');
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default:
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/* handle control chars */
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if (winsch(win, attr | (ch + '@')) == ERR)
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return ERR;
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return winsch(win, attr | '^');
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}
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}
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else
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{
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int maxx;
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chtype *temp;
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/* If the incoming character doesn't have its own attribute,
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then use the current attributes for the window. If it has
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attributes but not a color component, OR the attributes to
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the current attributes for the window. If it has a color
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component, use the attributes solely from the incoming
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character. */
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if (!(attr & A_COLOR))
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attr |= win->_attrs;
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/* wrs (4/10/93): Apply the same sort of logic for the window
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background, in that it only takes precedence if other color
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attributes are not there and that the background character
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will only print if the printing character is blank. */
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if (!(attr & A_COLOR))
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attr |= win->_bkgd & A_ATTRIBUTES;
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else
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attr |= win->_bkgd & (A_ATTRIBUTES ^ A_COLOR);
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if (ch == ' ')
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ch = win->_bkgd & A_CHARTEXT;
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/* Add the attribute back into the character. */
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ch |= attr;
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maxx = win->_maxx;
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temp = &win->_y[y][x];
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memmove(temp + 1, temp, (maxx - x - 1) * sizeof(chtype));
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win->_lastch[y] = maxx - 1;
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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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*temp = ch;
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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 insch(chtype ch)
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{
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PDC_LOG(("insch() - called\n"));
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return winsch(stdscr, ch);
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}
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int mvinsch(int y, int x, chtype ch)
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{
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PDC_LOG(("mvinsch() - called\n"));
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if (move(y, x) == ERR)
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return ERR;
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return winsch(stdscr, ch);
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}
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int mvwinsch(WINDOW *win, int y, int x, chtype ch)
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{
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PDC_LOG(("mvwinsch() - called\n"));
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if (wmove(win, y, x) == ERR)
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return ERR;
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return winsch(win, ch);
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}
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int winsrawch(WINDOW *win, chtype ch)
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{
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PDC_LOG(("winsrawch() - called: win=%p ch=%x "
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"(char=%c attr=0x%x)\n", win, ch,
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ch & A_CHARTEXT, ch & A_ATTRIBUTES));
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if ((ch & A_CHARTEXT) < ' ' || (ch & A_CHARTEXT) == 0x7f)
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ch |= A_ALTCHARSET;
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return winsch(win, ch);
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}
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int insrawch(chtype ch)
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{
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PDC_LOG(("insrawch() - called\n"));
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return winsrawch(stdscr, ch);
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}
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int mvinsrawch(int y, int x, chtype ch)
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{
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PDC_LOG(("mvinsrawch() - called\n"));
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if (move(y, x) == ERR)
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return ERR;
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return winsrawch(stdscr, ch);
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}
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int mvwinsrawch(WINDOW *win, int y, int x, chtype ch)
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{
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PDC_LOG(("mvwinsrawch() - called\n"));
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if (wmove(win, y, x) == ERR)
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return ERR;
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return winsrawch(win, ch);
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}
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#ifdef PDC_WIDE
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int wins_wch(WINDOW *win, const cchar_t *wch)
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{
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PDC_LOG(("wins_wch() - called\n"));
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return wch ? winsch(win, *wch) : ERR;
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}
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int ins_wch(const cchar_t *wch)
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{
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PDC_LOG(("ins_wch() - called\n"));
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return wins_wch(stdscr, wch);
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}
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int mvins_wch(int y, int x, const cchar_t *wch)
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{
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PDC_LOG(("mvins_wch() - called\n"));
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if (move(y, x) == ERR)
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return ERR;
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return wins_wch(stdscr, wch);
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}
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int mvwins_wch(WINDOW *win, int y, int x, const cchar_t *wch)
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{
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PDC_LOG(("mvwins_wch() - called\n"));
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if (wmove(win, y, x) == ERR)
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return ERR;
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return wins_wch(win, wch);
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}
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#endif
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