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Diffstat (limited to 'c++/cursesw.cc')
| -rw-r--r-- | c++/cursesw.cc | 468 |
1 files changed, 0 insertions, 468 deletions
diff --git a/c++/cursesw.cc b/c++/cursesw.cc deleted file mode 100644 index 47e5cf64dcf0..000000000000 --- a/c++/cursesw.cc +++ /dev/null @@ -1,468 +0,0 @@ -// * this is for making emacs happy: -*-Mode: C++;-*- -/**************************************************************************** - * Copyright (c) 2007-2008,2009 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. * - ****************************************************************************/ - -/* - * Authors: - * Thomas E. Dickey - * Juergen Pfeifer - * - * The NCursesWindow class was originally based on a file written by - * Eric Newton, later modified by Ulrich Drepper and Anatoly Ivasyuk. - * However, aside from the compatible interface definition, no trace - * of the original code remains in this version: it consists only of - * changes introduced since 1995. - */ - -#include "internal.h" -#include "cursesw.h" - -MODULE_ID("$Id: cursesw.cc,v 1.51 2009/03/28 21:31:37 tom Exp $") - -#define COLORS_NEED_INITIALIZATION -1 -#define COLORS_NOT_INITIALIZED 0 -#define COLORS_MONOCHROME 1 -#define COLORS_ARE_REALLY_THERE 2 - -#define HaveColors() (colorInitialized == COLORS_ARE_REALLY_THERE) - -// declare static variables for the class -long NCursesWindow::count = 0L; -bool NCursesWindow::b_initialized = FALSE; - -int -NCursesWindow::scanw(const char* fmt, ...) -{ - int result = ERR; - - va_list args; - va_start(args, fmt); - result = ::vw_scanw (w, const_cast<NCURSES_CONST char *>(fmt), args); - va_end(args); - - return result; -} - - -int -NCursesWindow::scanw(int y, int x, const char* fmt, ...) -{ - int result = ERR; - - if (::wmove(w, y, x) != ERR) { - va_list args; - va_start(args, fmt); - result = ::vw_scanw (w, const_cast<NCURSES_CONST char *>(fmt), args); - va_end(args); - } - return result; -} - - -int -NCursesWindow::scanw(const char* fmt, va_list args) -{ - int result = ERR; - - result = ::vw_scanw (w, const_cast<NCURSES_CONST char *>(fmt), args); - - return result; -} - - -int -NCursesWindow::scanw(int y, int x, const char* fmt, va_list args) -{ - int result = ERR; - - if (::wmove(w, y, x) != ERR) { - result = ::vw_scanw (w, const_cast<NCURSES_CONST char *>(fmt), args); - } - return result; -} - - -int -NCursesWindow::printw(const char * fmt, ...) -{ - va_list args; - va_start(args, fmt); - int result = ::vw_printw(w, fmt, args); - va_end(args); - return result; -} - - -int -NCursesWindow::printw(int y, int x, const char * fmt, ...) -{ - va_list args; - va_start(args, fmt); - int result = ::wmove(w, y, x); - if (result == OK) { - result = ::vw_printw(w, fmt, args); - } - va_end(args); - return result; -} - - -int -NCursesWindow::printw(const char * fmt, va_list args) -{ - int result = ::vw_printw(w, fmt, args); - return result; -} - - -int -NCursesWindow::printw(int y, int x, const char * fmt, va_list args) -{ - int result = ::wmove(w, y, x); - if (result == OK) { - result = ::vw_printw(w, fmt, args); - } - return result; -} - - -void -NCursesWindow::set_keyboard(void) -{ - keypad(TRUE); - meta(TRUE); -} - -void -NCursesWindow::err_handler(const char *msg) const THROWS(NCursesException) -{ - THROW(new NCursesException(msg)); -} - -void -NCursesWindow::initialize() -{ - if (!b_initialized) { - ::initscr(); - b_initialized = TRUE; - if (colorInitialized == COLORS_NEED_INITIALIZATION) { - colorInitialized = COLORS_NOT_INITIALIZED; - useColors(); - } - ::noecho(); - ::cbreak(); - } -} - -void -NCursesWindow::constructing() -{ - initialize(); - ++count; -} - -NCursesWindow::NCursesWindow() - : w(0), alloced(FALSE), par(0), subwins(0), sib(0) -{ - constructing(); - - w = static_cast<WINDOW *>(0); - set_keyboard(); -} - -NCursesWindow::NCursesWindow(int nlines, int ncols, int begin_y, int begin_x) - : w(0), alloced(TRUE), par(0), subwins(0), sib(0) -{ - constructing(); - - w = ::newwin(nlines, ncols, begin_y, begin_x); - if (w == 0) { - err_handler("Cannot construct window"); - } - set_keyboard(); -} - -NCursesWindow::NCursesWindow(WINDOW* window) - : w(0), alloced(FALSE), par(0), subwins(0), sib(0) -{ - constructing(); - - // We used to use a reference on the "window" parameter, but we cannot do - // that with an opaque pointer (see NCURSES_OPAQUE). If the parameter was - // "::stdscr", that is first set via the "constructing() call, and is null - // up to that point. So we allow a null pointer here as meaning the "same" - // as "::stdscr". - w = window ? window : ::stdscr; - set_keyboard(); -} - -NCursesWindow::NCursesWindow(NCursesWindow& win, int ny, int nx, - int begin_y, int begin_x, char absrel) - : w(0), alloced(TRUE), par(0), subwins(0), sib(0) -{ - constructing(); - if (absrel == 'a') { // absolute origin - begin_y -= win.begy(); - begin_x -= win.begx(); - } - - // Link this window into its parent's list of subwindows. - // We use derwin(), since this also works for pads. - w = ::derwin(win.w, ny, nx, begin_y, begin_x); - if (w == 0) { - err_handler("Cannot construct subwindow"); - } - - par = &win; - sib = win.subwins; - win.subwins = this; -} - -NCursesWindow::NCursesWindow(NCursesWindow& win, - bool do_box NCURSES_PARAM_INIT(TRUE)) - : w(0), alloced(TRUE), par(0), subwins(0), sib(0) -{ - constructing(); - int myHeight = win.height(); - int myWidth = win.width(); - w = :: derwin(win.w, myHeight - 2, myWidth - 2, 1, 1); - if (w == 0) { - err_handler("Cannot construct subwindow"); - } - - par = &win; - sib = win.subwins; - win.subwins = this; - subwins = 0; - - if (do_box) { - win.box(); - win.touchwin(); - } -} - -NCursesWindow NCursesWindow::Clone() -{ - WINDOW *d = ::dupwin(w); - NCursesWindow W(d); - W.subwins = subwins; - W.sib = sib; - W.par = par; - W.alloced = alloced; - return W; -} - -typedef int (*RIPOFFINIT)(NCursesWindow&); -static RIPOFFINIT R_INIT[5]; // There can't be more -static int r_init_idx = 0; -static RIPOFFINIT* prip = R_INIT; - -NCursesWindow::NCursesWindow(WINDOW *win, int ncols) - : w(0), alloced(FALSE), par(0), subwins(0), sib(0) -{ - initialize(); - w = win; -} - -int _nc_xx_ripoff_init(WINDOW *w, int ncols) -{ - int res = ERR; - - RIPOFFINIT init = *prip++; - if (init) { - res = init(*(new NCursesWindow(w,ncols))); - } - return res; -} - -int NCursesWindow::ripoffline(int ripoff_lines, - int (*init)(NCursesWindow& win)) -{ - int code = ::_nc_ripoffline(ripoff_lines,_nc_xx_ripoff_init); - if (code == OK && init && ripoff_lines) { - R_INIT[r_init_idx++] = init; - } - return code; -} - -bool -NCursesWindow::isDescendant(NCursesWindow& win) -{ - bool result = FALSE; - - for (NCursesWindow* p = subwins; p != NULL; p = p->sib) { - if (p == &win || p->isDescendant(win)) { - result = TRUE; - break; - } - } - return result; -} - -void -NCursesWindow::kill_subwindows() -{ - NCursesWindow* p = subwins; - - subwins = 0; - while (p != 0) { - NCursesWindow* q = p->sib; - p->kill_subwindows(); - if (p->alloced) { - if (p->w != 0) - ::delwin(p->w); - } - delete p; - p = q; - } -} - - -NCursesWindow::~NCursesWindow() -{ - kill_subwindows(); - - if (par != 0) { - // Remove this window from the parent's list of subwindows. - NCursesWindow * next = par->subwins; - NCursesWindow * prev = 0; - while (next != 0) { - if (next == this) { - if (prev != 0) { - prev->sib = next->sib; - } else { - par->subwins = next->sib; - } - break; - } - prev = next; - next = next->sib; - } - } - - if (alloced && w != 0) - ::delwin(w); - - if (alloced) { - --count; - if (count == 0) { - ::endwin(); - } else if (count < 0) { // cannot happen! - err_handler("Too many windows destroyed"); - } - } -} - -// --------------------------------------------------------------------- -// Color stuff -// -int NCursesWindow::colorInitialized = COLORS_NOT_INITIALIZED; - -void -NCursesWindow::useColors(void) -{ - if (colorInitialized == COLORS_NOT_INITIALIZED) { - if (b_initialized) { - if (::has_colors()) { - ::start_color(); - colorInitialized = COLORS_ARE_REALLY_THERE; - } else { - colorInitialized = COLORS_MONOCHROME; - } - } else { - colorInitialized = COLORS_NEED_INITIALIZATION; - } - } -} - -short -NCursesWindow::getPair() const -{ - return static_cast<short>(PAIR_NUMBER(getattrs(w))); -} - -short -NCursesWindow::getcolor(int getback) const -{ - short fore, back; - - if (HaveColors()) { - if (::pair_content(getPair(), &fore, &back) == ERR) - err_handler("Can't get color pair"); - } else { - // Monochrome means white on black - back = COLOR_BLACK; - fore = COLOR_WHITE; - } - return getback ? back : fore; -} - -int NCursesWindow::NumberOfColors() -{ - return (HaveColors()) ? COLORS : 1; -} - -short -NCursesWindow::getcolor() const -{ - return (HaveColors()) ? getPair() : 0; -} - -int -NCursesWindow::setpalette(short fore, short back, short pair) -{ - return (HaveColors()) ? ::init_pair(pair, fore, back) : OK; -} - -int -NCursesWindow::setpalette(short fore, short back) -{ - return setpalette(fore, back, getPair()); -} - - -int -NCursesWindow::setcolor(short pair) -{ - if (HaveColors()) { - if ((pair < 1) || (pair > COLOR_PAIRS)) - err_handler("Can't set color pair"); - - attroff(A_COLOR); - attrset(COLOR_PAIR(pair)); - } - return OK; -} - -#if HAVE_HAS_KEY -bool NCursesWindow::has_mouse() const -{ - return ((::has_key(KEY_MOUSE) || ::has_mouse()) - ? TRUE : FALSE); -} -#endif |