X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_window.c;h=d755e88d66a38a6bb6c6c93a8b41c53966606b30;hp=5eae9b1a57fb197dfc6ed1a9f01a6ca8a308dfe1;hb=f8f67d02e909c4d165fbed2ba2810c94f2862548;hpb=0eb88fc5281804773e2a0c7a488a4452463535ce diff --git a/ncurses/base/lib_window.c b/ncurses/base/lib_window.c index 5eae9b1a..d755e88d 100644 --- a/ncurses/base/lib_window.c +++ b/ncurses/base/lib_window.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998 Free Software Foundation, Inc. * + * Copyright (c) 1998-2010,2016 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -39,183 +39,215 @@ #include -MODULE_ID("$Id: lib_window.c,v 1.13 1998/06/28 00:10:59 tom Exp $") +MODULE_ID("$Id: lib_window.c,v 1.30 2016/05/28 23:11:26 tom Exp $") -void _nc_synchook(WINDOW *win) +NCURSES_EXPORT(void) +_nc_synchook(WINDOW *win) /* hook to be called after each window change */ { - if (win->_immed) wrefresh(win); - if (win->_sync) wsyncup(win); + if (win->_immed) + wrefresh(win); + if (win->_sync) + wsyncup(win); } -int mvderwin(WINDOW *win, int y, int x) +NCURSES_EXPORT(int) +mvderwin(WINDOW *win, int y, int x) /* move a derived window */ { - WINDOW *orig; - int i; - - T((T_CALLED("mvderwin(%p,%d,%d)"), win, y, x)); - - if (win && (orig = win->_parent)) - { - if (win->_parx==x && win->_pary==y) - returnCode(OK); - if (x<0 || y<0) - returnCode(ERR); - if ( (x+getmaxx(win) > getmaxx(orig)) || - (y+getmaxy(win) > getmaxy(orig)) ) - returnCode(ERR); - } - else - returnCode(ERR); - wsyncup(win); - win->_parx = x; - win->_pary = y; - for(i=0;i_line[i].text = &(orig->_line[y++].text[x]); - returnCode(OK); + WINDOW *orig; + int rc = ERR; + + T((T_CALLED("mvderwin(%p,%d,%d)"), (void *) win, y, x)); + + if (win != 0 + && (orig = win->_parent) != 0 + && (x >= 0 && y >= 0) + && (x + getmaxx(win) <= getmaxx(orig)) + && (y + getmaxy(win) <= getmaxy(orig))) { + int i; + + wsyncup(win); + win->_parx = x; + win->_pary = y; + for (i = 0; i < getmaxy(win); i++) + win->_line[i].text = &(orig->_line[y++].text[x]); + rc = OK; + } + returnCode(rc); } -int syncok(WINDOW *win, bool bf) +NCURSES_EXPORT(int) +syncok(WINDOW *win, bool bf) /* enable/disable automatic wsyncup() on each change to window */ { - T((T_CALLED("syncok(%p,%d)"), win, bf)); + T((T_CALLED("syncok(%p,%d)"), (void *) win, bf)); - if (win) { - win->_sync = bf; - returnCode(OK); - } else - returnCode(ERR); + if (win) { + win->_sync = bf; + returnCode(OK); + } else + returnCode(ERR); } -void wsyncup(WINDOW *win) +NCURSES_EXPORT(void) +wsyncup(WINDOW *win) /* mark changed every cell in win's ancestors that is changed in win */ /* Rewritten by J. Pfeifer, 1-Apr-96 (don't even think that...) */ { - WINDOW *wp; - - if (win && win->_parent) - for (wp = win; wp->_parent; wp = wp->_parent) - { - int y; - WINDOW *pp = wp->_parent; - - assert((wp->_pary <= pp->_maxy) && - ((wp->_pary+wp->_maxy) <= pp->_maxy)); - - for (y = 0; y <= wp->_maxy; y++) - { - int left = wp->_line[y].firstchar; - if (left >= 0) /* line is touched */ - { - struct ldat *line = &(pp->_line[wp->_pary + y]); - /* left & right character in parent window coordinates */ - int right = wp->_line[y].lastchar + wp->_parx; - left += wp->_parx; - - CHANGED_RANGE(line, left, right); - } - } - } + WINDOW *wp; + + T((T_CALLED("wsyncup(%p)"), (void *) win)); + if (win && win->_parent) { + for (wp = win; wp->_parent; wp = wp->_parent) { + int y; + WINDOW *pp = wp->_parent; + + assert((wp->_pary <= pp->_maxy) && + ((wp->_pary + wp->_maxy) <= pp->_maxy)); + + for (y = 0; y <= wp->_maxy; y++) { + int left = wp->_line[y].firstchar; + if (left >= 0) { /* line is touched */ + struct ldat *line = &(pp->_line[wp->_pary + y]); + /* left & right character in parent window coordinates */ + int right = wp->_line[y].lastchar + wp->_parx; + left += wp->_parx; + + CHANGED_RANGE(line, left, right); + } + } + } + } + returnVoid; } -void wsyncdown(WINDOW *win) +NCURSES_EXPORT(void) +wsyncdown(WINDOW *win) /* mark changed every cell in win that is changed in any of its ancestors */ /* Rewritten by J. Pfeifer, 1-Apr-96 (don't even think that...) */ { - if (win && win->_parent) - { - WINDOW *pp = win->_parent; - int y; - - /* This recursion guarantees, that the changes are propagated down- - wards from the root to our direct parent. */ - wsyncdown(pp); - - /* and now we only have to propagate the changes from our direct - parent, if there are any. */ - assert((win->_pary <= pp->_maxy) && - ((win->_pary + win->_maxy) <= pp->_maxy)); - - for (y = 0; y <= win->_maxy; y++) - { - if (pp->_line[win->_pary + y].firstchar >= 0) /* parent changed */ - { - struct ldat *line = &(win->_line[y]); - /* left and right character in child coordinates */ - int left = pp->_line[win->_pary + y].firstchar - win->_parx; - int right = pp->_line[win->_pary + y].lastchar - win->_parx; - /* The change maybe outside the childs range */ - if (left<0) - left = 0; - if (right > win->_maxx) - right = win->_maxx; - CHANGED_RANGE(line, left, right); + T((T_CALLED("wsyncdown(%p)"), (void *) win)); + + if (win && win->_parent) { + WINDOW *pp = win->_parent; + int y; + + /* This recursion guarantees, that the changes are propagated down- + wards from the root to our direct parent. */ + wsyncdown(pp); + + /* and now we only have to propagate the changes from our direct + parent, if there are any. */ + assert((win->_pary <= pp->_maxy) && + ((win->_pary + win->_maxy) <= pp->_maxy)); + + for (y = 0; y <= win->_maxy; y++) { + if (pp->_line[win->_pary + y].firstchar >= 0) { /* parent changed */ + struct ldat *line = &(win->_line[y]); + /* left and right character in child coordinates */ + int left = pp->_line[win->_pary + y].firstchar - win->_parx; + int right = pp->_line[win->_pary + y].lastchar - win->_parx; + /* The change may be outside the child's range */ + if (left < 0) + left = 0; + if (right > win->_maxx) + right = win->_maxx; + CHANGED_RANGE(line, left, right); } } } + returnVoid; } -void wcursyncup(WINDOW *win) +NCURSES_EXPORT(void) +wcursyncup(WINDOW *win) /* sync the cursor in all derived windows to its value in the base window */ { - WINDOW *wp; - for( wp = win; wp && wp->_parent; wp = wp->_parent ) { - wmove( wp->_parent, wp->_pary + wp->_cury, wp->_parx + wp->_curx ); - } + WINDOW *wp; + + T((T_CALLED("wcursyncup(%p)"), (void *) win)); + for (wp = win; wp && wp->_parent; wp = wp->_parent) { + wmove(wp->_parent, wp->_pary + wp->_cury, wp->_parx + wp->_curx); + } + returnVoid; } -WINDOW *dupwin(WINDOW *win) +NCURSES_EXPORT(WINDOW *) +dupwin(WINDOW *win) /* make an exact duplicate of the given window */ { -WINDOW *nwin; -size_t linesize; -int i; - - T((T_CALLED("dupwin(%p)"), win)); - - if ((win==NULL) || - ((nwin = newwin(win->_maxy + 1, win->_maxx + 1, win->_begy, win->_begx)) == NULL)) - returnWin(0); - - nwin->_curx = win->_curx; - nwin->_cury = win->_cury; - nwin->_maxy = win->_maxy; - nwin->_maxx = win->_maxx; - nwin->_begy = win->_begy; - nwin->_begx = win->_begx; - nwin->_yoffset = win->_yoffset; - - nwin->_flags = win->_flags & ~_SUBWIN; - /* Due to the use of newwin(), the clone is not a subwindow. - * The text is really copied into the clone. - */ - - nwin->_attrs = win->_attrs; - nwin->_bkgd = win->_bkgd; - - nwin->_clear = win->_clear; - nwin->_scroll = win->_scroll; - nwin->_leaveok = win->_leaveok; - nwin->_use_keypad = win->_use_keypad; - nwin->_delay = win->_delay; - nwin->_immed = win->_immed; - nwin->_sync = win->_sync; - - nwin->_parx = 0; - nwin->_pary = 0; - nwin->_parent = (WINDOW*)0; - /* See above: the clone isn't a subwindow! */ - - nwin->_regtop = win->_regtop; - nwin->_regbottom = win->_regbottom; - - linesize = (win->_maxx + 1) * sizeof(chtype); - for (i = 0; i <= nwin->_maxy; i++) { + WINDOW *nwin = 0; + + T((T_CALLED("dupwin(%p)"), (void *) win)); + + if (win != 0) { +#if NCURSES_SP_FUNCS + SCREEN *sp = _nc_screen_of(win); +#endif + _nc_lock_global(curses); + if (win->_flags & _ISPAD) { + nwin = NCURSES_SP_NAME(newpad) (NCURSES_SP_ARGx + win->_maxy + 1, + win->_maxx + 1); + } else { + nwin = NCURSES_SP_NAME(newwin) (NCURSES_SP_ARGx + win->_maxy + 1, + win->_maxx + 1, + win->_begy, + win->_begx); + } + + if (nwin != 0) { + int i; + size_t linesize; + + nwin->_curx = win->_curx; + nwin->_cury = win->_cury; + nwin->_maxy = win->_maxy; + nwin->_maxx = win->_maxx; + nwin->_begy = win->_begy; + nwin->_begx = win->_begx; + nwin->_yoffset = win->_yoffset; + + nwin->_flags = win->_flags & ~_SUBWIN; + /* Due to the use of newwin(), the clone is not a subwindow. + * The text is really copied into the clone. + */ + + WINDOW_ATTRS(nwin) = WINDOW_ATTRS(win); + nwin->_nc_bkgd = win->_nc_bkgd; + + nwin->_notimeout = win->_notimeout; + nwin->_clear = win->_clear; + nwin->_leaveok = win->_leaveok; + nwin->_scroll = win->_scroll; + nwin->_idlok = win->_idlok; + nwin->_idcok = win->_idcok; + nwin->_immed = win->_immed; + nwin->_sync = win->_sync; + nwin->_use_keypad = win->_use_keypad; + nwin->_delay = win->_delay; + + nwin->_parx = 0; + nwin->_pary = 0; + nwin->_parent = (WINDOW *) 0; + /* See above: the clone isn't a subwindow! */ + + nwin->_regtop = win->_regtop; + nwin->_regbottom = win->_regbottom; + + if (win->_flags & _ISPAD) + nwin->_pad = win->_pad; + + linesize = (unsigned) (win->_maxx + 1) * sizeof(NCURSES_CH_T); + for (i = 0; i <= nwin->_maxy; i++) { memcpy(nwin->_line[i].text, win->_line[i].text, linesize); - nwin->_line[i].firstchar = win->_line[i].firstchar; + nwin->_line[i].firstchar = win->_line[i].firstchar; nwin->_line[i].lastchar = win->_line[i].lastchar; + } } - - returnWin(nwin); + _nc_unlock_global(curses); + } + returnWin(nwin); }