diff options
Diffstat (limited to 'contrib/ncurses/ncurses/base/wresize.c')
| -rw-r--r-- | contrib/ncurses/ncurses/base/wresize.c | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/contrib/ncurses/ncurses/base/wresize.c b/contrib/ncurses/ncurses/base/wresize.c deleted file mode 100644 index ac808c4d2884..000000000000 --- a/contrib/ncurses/ncurses/base/wresize.c +++ /dev/null @@ -1,246 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998-2007,2008 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 * - * "Software"), to deal in the Software without restriction, including * - * without limitation the rights to use, copy, modify, merge, publish, * - * distribute, distribute with modifications, sublicense, and/or sell * - * copies of the Software, and to permit persons to whom the Software is * - * furnished to do so, subject to the following conditions: * - * * - * The above copyright notice and this permission notice shall be included * - * in all copies or substantial portions of the Software. * - * * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * - * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * - * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - * * - * Except as contained in this notice, the name(s) of the above copyright * - * holders shall not be used in advertising or otherwise to promote the * - * sale, use or other dealings in this Software without prior written * - * authorization. * - ****************************************************************************/ - -/**************************************************************************** - * Author: Thomas E. Dickey 1996-2002 * - ****************************************************************************/ - -#include <curses.priv.h> - -MODULE_ID("$Id: wresize.c,v 1.28 2008/05/03 14:13:51 tom Exp $") - -static int -cleanup_lines(struct ldat *data, int length) -{ - while (--length >= 0) - free(data[length].text); - free(data); - return ERR; -} - -/* - * If we have reallocated the ldat structs, we will have to repair pointers - * used in subwindows. - */ -static void -repair_subwindows(WINDOW *cmp) -{ - WINDOWLIST *wp; - struct ldat *pline = cmp->_line; - int row; - - _nc_lock_global(windowlist); - - for (each_window(wp)) { - WINDOW *tst = &(wp->win); - - if (tst->_parent == cmp) { - - if (tst->_pary > cmp->_maxy) - tst->_pary = cmp->_maxy; - if (tst->_parx > cmp->_maxx) - tst->_parx = cmp->_maxx; - - if (tst->_maxy + tst->_pary > cmp->_maxy) - tst->_maxy = cmp->_maxy - tst->_pary; - if (tst->_maxx + tst->_parx > cmp->_maxx) - tst->_maxx = cmp->_maxx - tst->_parx; - - for (row = 0; row <= tst->_maxy; ++row) { - tst->_line[row].text = &pline[tst->_pary + row].text[tst->_parx]; - } - repair_subwindows(tst); - } - } - _nc_unlock_global(windowlist); -} - -/* - * Reallocate a curses WINDOW struct to either shrink or grow to the specified - * new lines/columns. If it grows, the new character cells are filled with - * blanks. The application is responsible for repainting the blank area. - */ -NCURSES_EXPORT(int) -wresize(WINDOW *win, int ToLines, int ToCols) -{ - int col, row, size_x, size_y; - struct ldat *pline; - struct ldat *new_lines = 0; - -#ifdef TRACE - T((T_CALLED("wresize(%p,%d,%d)"), win, ToLines, ToCols)); - if (win) { - TR(TRACE_UPDATE, ("...beg (%ld, %ld), max(%ld,%ld), reg(%ld,%ld)", - (long) win->_begy, (long) win->_begx, - (long) win->_maxy, (long) win->_maxx, - (long) win->_regtop, (long) win->_regbottom)); - if (USE_TRACEF(TRACE_UPDATE)) { - _tracedump("...before", win); - _nc_unlock_global(tracef); - } - } -#endif - - if (!win || --ToLines < 0 || --ToCols < 0) - returnCode(ERR); - - size_x = win->_maxx; - size_y = win->_maxy; - - if (ToLines == size_y - && ToCols == size_x) - returnCode(OK); - - if ((win->_flags & _SUBWIN)) { - /* - * Check if the new limits will fit into the parent window's size. If - * not, do not resize. We could adjust the location of the subwindow, - * but the application may not like that. - */ - if (win->_pary + ToLines > win->_parent->_maxy - || win->_parx + ToCols > win->_parent->_maxx) { - returnCode(ERR); - } - pline = win->_parent->_line; - } else { - pline = 0; - } - - /* - * Allocate new memory as needed. Do the allocations without modifying - * the original window, in case an allocation fails. Always allocate - * (at least temporarily) the array pointing to the individual lines. - */ - new_lines = typeCalloc(struct ldat, (unsigned) (ToLines + 1)); - if (new_lines == 0) - returnCode(ERR); - - /* - * For each line in the target, allocate or adjust pointers for the - * corresponding text, depending on whether this is a window or a - * subwindow. - */ - for (row = 0; row <= ToLines; ++row) { - int begin = (row > size_y) ? 0 : (size_x + 1); - int end = ToCols; - NCURSES_CH_T *s; - - if (!(win->_flags & _SUBWIN)) { - if (row <= size_y) { - if (ToCols != size_x) { - if ((s = typeMalloc(NCURSES_CH_T, ToCols + 1)) == 0) - returnCode(cleanup_lines(new_lines, row)); - for (col = 0; col <= ToCols; ++col) { - s[col] = (col <= size_x - ? win->_line[row].text[col] - : win->_nc_bkgd); - } - } else { - s = win->_line[row].text; - } - } else { - if ((s = typeMalloc(NCURSES_CH_T, ToCols + 1)) == 0) - returnCode(cleanup_lines(new_lines, row)); - for (col = 0; col <= ToCols; ++col) - s[col] = win->_nc_bkgd; - } - } else { - s = &pline[win->_pary + row].text[win->_parx]; - } - - if_USE_SCROLL_HINTS(new_lines[row].oldindex = row); - if (row <= size_y) { - new_lines[row].firstchar = win->_line[row].firstchar; - new_lines[row].lastchar = win->_line[row].lastchar; - } - if ((ToCols != size_x) || (row > size_y)) { - if (end >= begin) { /* growing */ - if (new_lines[row].firstchar < begin) - new_lines[row].firstchar = begin; - } else { /* shrinking */ - new_lines[row].firstchar = 0; - } - new_lines[row].lastchar = ToCols; - } - new_lines[row].text = s; - } - - /* - * Dispose of unwanted memory. - */ - if (!(win->_flags & _SUBWIN)) { - if (ToCols == size_x) { - for (row = ToLines + 1; row <= size_y; row++) { - free(win->_line[row].text); - } - } else { - for (row = 0; row <= size_y; row++) { - free(win->_line[row].text); - } - } - } - - free(win->_line); - win->_line = new_lines; - - /* - * Finally, adjust the parameters showing screen size and cursor - * position: - */ - win->_maxx = ToCols; - win->_maxy = ToLines; - - if (win->_regtop > win->_maxy) - win->_regtop = win->_maxy; - if (win->_regbottom > win->_maxy - || win->_regbottom == size_y) - win->_regbottom = win->_maxy; - - if (win->_curx > win->_maxx) - win->_curx = win->_maxx; - if (win->_cury > win->_maxy) - win->_cury = win->_maxy; - - /* - * Check for subwindows of this one, and readjust pointers to our text, - * if needed. - */ - repair_subwindows(win); - -#ifdef TRACE - TR(TRACE_UPDATE, ("...beg (%ld, %ld), max(%ld,%ld), reg(%ld,%ld)", - (long) win->_begy, (long) win->_begx, - (long) win->_maxy, (long) win->_maxx, - (long) win->_regtop, (long) win->_regbottom)); - if (USE_TRACEF(TRACE_UPDATE)) { - _tracedump("...after:", win); - _nc_unlock_global(tracef); - } -#endif - returnCode(OK); -} |