This file is indexed.

/usr/include/cwidget/curses++.h is in libcwidget-dev 0.5.17-4ubuntu2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
// curses++.h  (this is -*-c++-*-)
//
//  Copyright 1999-2005, 2007 Daniel Burrows
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; see the file COPYING.  If not, write to
//  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
//  Boston, MA 02111-1307, USA.
//
//  Simple class wrappers around various CURSES functions.

#ifndef CURSES_PLUSPLUS_H
#define CURSES_PLUSPLUS_H

#include <string>
#include <ncursesw/curses.h>

#include <cwidget/generic/util/eassert.h>

// For isspace
#include <ctype.h>

#include <string.h>

#include <cwidget-config.h>

namespace cwidget
{
  /** A structure that amalgamates a wchar_t together with attributes.
   *  This is similar to cchar_t, but has the advantage of having
   *  well-defined properties and behavior; the routines to manipulate
   *  cchar_t's are vaguely documented and a lot of their behavior has
   *  to be guessed at or inferred from source code.  I don't trust
   *  interfaces where I have to guess at their behavior, and I think
   *  that I won't lose too much efficiency by doing things this way.
   */
  struct wchtype
  {
    /** The character value associated with this string.  This code
     *  presently assumes that wchar_t is large enough to hold any
     *  single Unicode (UCS-4) character, which is ok for GNU but might
     *  not port everywhere.
     */
    wchar_t ch;

    /** The text attributes (including color) associated with this
     *  character.
     */
    attr_t attrs;

    wchtype()
    {
    }

    wchtype(const wchar_t &_ch, const attr_t &_attrs)
      :ch(_ch), attrs(_attrs)
    {
    }

    bool operator==(const wchtype &other) const
    {
      return ch==other.ch && attrs==other.attrs;
    }

    bool operator!=(const wchtype &other) const
    {
      return ch!=other.ch || attrs!=other.attrs;
    }

    bool operator<(const wchtype &other) const
    {
      return ch<other.ch || (ch==other.ch && attrs<other.attrs);
    }

    bool operator<=(const wchtype &other) const
    {
      return (*this) == other || (*this) < other;
    }

    bool operator>(const wchtype &other) const
    {
      return !((*this)<=other);
    }

    bool operator>=(const wchtype &other) const
    {
      return !((*this)<other);
    }
  };
}

namespace std {
  template <>
  /** Based on libstdc++-3's instantiation of this for characters.
   *
   *  This could do something clever, such as changing comparisons to
   *  only apply to the text itself, but it doesn't; I'm not sure what
   *  the effect of changes like that would be.
   *
   *  The int_type stuff is not implemented; it could perhaps be
   *  implemented later if it's needed.
   */
  struct TRAITS_CLASS<chtype> {
    typedef chtype char_type;

    static void assign (char_type& c1, const char_type& c2)
    { c1 = c2; }
    static bool eq (const char_type & c1, const char_type& c2)
    { return (c1 == c2); }
    static bool ne (const char_type& c1, const char_type& c2)
    { return (c1 != c2); }
    static bool lt (const char_type& c1, const char_type& c2)
    { return (c1 < c2); }
    static char_type eos () { return 0; }
    static bool is_del(char_type a) { return isspace(a|A_CHARTEXT); }

    static int compare (const char_type* s1, const char_type* s2, size_t n);
    static size_t length (const char_type* s);
    static char_type* copy (char_type* s1, const char_type* s2, size_t n)
    { return (char_type*) memcpy (s1, s2, n*sizeof(char_type)); }
    static char_type* move (char_type* s1, const char_type* s2, size_t n)
    { return (char_type*) memmove (s1, s2, n*sizeof(char_type)); }
    static char_type* assign (char_type* s1, size_t n, const char_type& c);
  };

  template <>
  struct TRAITS_CLASS<cwidget::wchtype> {
    typedef cwidget::wchtype char_type;

    static void assign (char_type& c1, const char_type& c2)
    { c1 = c2; }
    static bool eq (const char_type & c1, const char_type& c2)
    { return (c1 == c2); }
    static bool ne (const char_type& c1, const char_type& c2)
    { return (c1 != c2); }
    static bool lt (const char_type& c1, const char_type& c2)
    { return (c1 < c2); }
    static char_type eos () { return cwidget::wchtype(0,0); }
    static bool is_del(char_type a) { return isspace(a.ch); }

    static int compare (const char_type* s1, const char_type* s2, size_t n);
    static size_t length (const char_type* s);
    static char_type* copy (char_type* s1, const char_type* s2, size_t n)
    { return (char_type*) memcpy (s1, s2, n*sizeof(char_type)); }
    static char_type* move (char_type* s1, const char_type* s2, size_t n)
    { return (char_type*) memmove (s1, s2, n*sizeof(char_type)); }
    static char_type* assign (char_type* s1, size_t n, const char_type& c);
  };
}

namespace cwidget
{
  class style;

  /** A string class which stores attributes along with characters.
   *
   *  This has to derive from basic_string in order to implement operator=
   *  (which can't be a global function -- it has to be a nonstatic member)
   */
  class chstring:public std::basic_string<chtype>
  {
    typedef std::basic_string<chtype> super;
  public:
    chstring(const std::basic_string<chtype> &s)
      :std::basic_string<chtype>(s) {}

    chstring(const std::string &s);
    chstring(const std::string &s, const style &st);

    chstring(const chstring &s):super(s) {}
    /** Apply the given style to the given chstring, and set ourselves
     *  to the result.
     */
    chstring(const chstring &s, const style &st);

    chstring(const chstring &s, size_t loc, size_t n=npos)
      :super(s, loc, n) {}

    chstring(size_t n, chtype c)
      :super(n, c) {}

    /** Assign the characters of s to this, setting all attributes to A_NORMAL. */
    chstring &operator=(const std::string &s);

    /** Change the attributes of this string by using the given style. */
    void apply_style(const style &st);
  };

  class wchstring:public std::basic_string<wchtype>
  {
    typedef std::basic_string<wchtype> super;
  public:
    wchstring(const std::basic_string<wchtype> &s)
      :std::basic_string<wchtype>(s) {}

    /** Create a new wchstring with empty attribute information. */
    wchstring(const std::wstring &s);

    /** Create a new wchstring from the given wide string with the given
     *  attributes.
     */
    wchstring(const std::wstring &s, const style &st);

    wchstring(const wchstring &s):super(s) {}
    /** Apply the given style to the given chstring, and set ourselves
     *  to the result.
     */
    wchstring(const wchstring &s, const style &st);

    wchstring(const wchstring &s, size_t loc, size_t n=npos)
      :super(s, loc, n) {}

    wchstring(size_t n, wchtype c)
      :super(n, c) {}

    wchstring(size_t n, wchar_t c, attr_t a)
      :super(n, wchtype(c, a)) {}

    /** Change the attributes of this string by using the given style. */
    void apply_style(const style &st);

    /** Return the number of columns occupied by this string. */
    int width() const;
  };

  inline chtype _getbkgd(WINDOW *win)
  {
    return getbkgd(win);
  }

  inline int _box(WINDOW *win, chtype verch, chtype horch)
  {
    return box(win, verch, horch);
  }

  inline void _getyx(WINDOW *win, int &y, int &x)
  {
    getyx(win, y, x);
  }

  inline void _getparyx(WINDOW *win, int &y, int &x)
  {
    getparyx(win, y, x);
  }

  inline void _getbegyx(WINDOW *win, int &y, int &x)
  {
    getbegyx(win, y, x);
  }

  inline void _getmaxyx(WINDOW *win, int &y, int &x)
  {
    getmaxyx(win, y, x);
  }

  inline int _getmaxy(WINDOW *win)
  {
    return getmaxy(win);
  }

  inline int _getmaxx(WINDOW *win)
  {
    return getmaxx(win);
  }

  inline int _touchwin(WINDOW *win)
  {
    return touchwin(win);
  }

  inline int _untouchwin(WINDOW *win)
  {
    return untouchwin(win);
  }

#undef getbkgd
#undef box

#undef getyx
#undef getparyx
#undef getbegyx
#undef getmaxyx
#undef getmaxy
#undef getmaxx

#undef addch
#undef addchnstr
#undef addchstr
#undef add_wch
#undef addnstr
#undef addstr
#undef attroff
#undef attron
#undef attrset
#undef attr_set
#undef bkgd
#undef bkgdset
#undef clear
#undef clrtobot
#undef clrtoeol
#undef delch
#undef deleteln
#undef echochar
#undef erase
#undef getch
#undef get_wch
#undef getstr
#undef inch
#undef inchnstr
#undef innstr
#undef insch
#undef insdelln
#undef insertln
#undef insnstr
#undef insstr
#undef instr
#undef move
#undef refresh
#undef scrl
#undef scroll
#undef setscrreg
#undef standend
#undef standout
#undef timeout

#undef mvaddch
#undef mvadd_wch
#undef mvaddchnstr
#undef mvaddchstr
#undef mvaddnstr
#undef mvaddstr
#undef mvdelch
#undef mvgetch
#undef mvget_wch
#undef mvgetnstr
#undef mvgetstr
#undef mvhline
#undef mvinch
#undef mvinchnstr
#undef mvinchstr
#undef mvinnstr
#undef mvinsch
#undef mvinsnstr
#undef mvinsstr
#undef mvinstr
#undef mvvline

#undef border
#undef hline
#undef vline

#undef touchline

  //  The following class encapsulates a CURSES window, mostly with inlined
  // versions of w* and mvw*.  subwin and newwin are encapsulated with
  // constructors; casting to WINDOW * is also supported.
  //
  //  er, these will be inlined.  Right?
  class cwindow
  {
    // Blech.  Used to memory-manage WINDOW *s
    class cwindow_master
    {
      WINDOW *win;
      int refs;
      cwindow_master *parent;

      friend class cwindow;

      ~cwindow_master()
      {
	eassert(refs==0);

	if(win)
	  delwin(win);
	if(parent)
	  parent->deref();
      }
    public:
      cwindow_master(WINDOW *_win, cwindow_master *_parent)
	:win(_win), refs(0), parent(_parent)
      {
	if(parent)
	  parent->ref();
      }

      inline void ref()
      {
	refs++;
      }

      // ??????
      inline void deref()
      {
	refs--;

	if(refs==0)
	  delete this;
      }
    };

    WINDOW *win;
    // The actual curses window

    cwindow_master *master;
    // Keeps track of where we got this from (so we can deref() it later)

    cwindow(WINDOW *_win, cwindow_master *_master)
      :win(_win), master(_master)
    {
      master->ref();
    }
  public:
    cwindow(WINDOW *_win):win(_win), master(new cwindow_master(_win, NULL))
    {
      master->ref();
    }
    cwindow(const cwindow &a):win(a.win), master(a.master)
    {
      master->ref();
    }

    ~cwindow()
    {
      master->deref();
    }

    cwindow derwin(int h, int w, int y, int x)
    {
      WINDOW *new_win=::derwin(win, h, w, y, x);
      return cwindow(new_win, new cwindow_master(new_win, master));
    }

    int mvwin(int y, int x) {return ::mvwin(win, y, x);}

    void syncup() {wsyncup(win);}
    int syncok(bool bf) {return ::syncok(win, bf);}
    void cursyncup() {wcursyncup(win);}
    void syncdown() {wsyncdown(win);}

    int scroll(int n=1) {return wscrl(win, n);}
    // Does both scroll() and wscsrl()

    int addch(chtype ch) {return waddch(win, ch);}
    int mvaddch(int y, int x, chtype ch) {return mvwaddch(win, y, x, ch);}

    int add_wch(wchar_t wch)
    {
      wchar_t tmp[2];
      tmp[0]=wch;
      tmp[1]=0;

      cchar_t cch;
      if(setcchar(&cch, tmp, 0, 0, 0)==ERR)
	return ERR;
      else
	return wadd_wch(win, &cch);
    }

    int mvadd_wch(int y, int x, wchar_t wch)
    {
      move(y, x);
      return add_wch(wch);
    }

    int add_wch(const cchar_t *cch)
    {
      return wadd_wch(win, cch);
    }

    int mvadd_wch(int y, int x, const cchar_t *cch)
    {
      return mvwadd_wch(win, y, x, cch);
    }

    int addstr(const std::wstring &str) {return addstr(str.c_str());}
    int addnstr(const std::wstring &str, int n) {return addnstr(str.c_str(), n);}
    int mvaddstr(int y, int x, const std::wstring &str) {return mvaddstr(y, x, str.c_str());}
    int mvaddnstr(int y, int x, const std::wstring &str, int n) {return mvaddnstr(y, x, str.c_str(), n);}

    int addstr(const wchar_t *str) {return waddwstr(win, str);}
    int addnstr(const wchar_t *str, int n) {return waddnwstr(win, str, n);}
    int mvaddstr(int y, int x, const wchar_t *str) {return mvwaddwstr(win, y, x, str);}
    int mvaddnstr(int y, int x, const wchar_t *str, int n) {return mvwaddnwstr(win, y, x, str, n);}

    int addstr(const char *str) {return waddstr(win, str);}
    int addnstr(const char *str, int n) {return waddnstr(win, str, n);}
    int mvaddstr(int y, int x, const char *str) {return mvwaddstr(win, y, x, str);}
    int mvaddnstr(int y, int x, const char *str, int n) {return mvwaddnstr(win, y, x, str, n);}

    // The following are implemented hackily due to the weirdness of
    // curses.  NB: they don't work with characters of negative width.
    int addstr(const wchstring &str);
    int addnstr(const wchstring &str, size_t n);
    int mvaddstr(int y, int x, const wchstring &str);
    int mvaddnstr(int y, int x, const wchstring &str, size_t n);

    int addstr(const chstring &str) {return waddchstr(win, str.c_str());}
    int addnstr(const chstring &str, int n) {return waddchnstr(win, str.c_str(), n);}
    int mvaddstr(int y, int x, const chstring &str) {return mvwaddchstr(win, y, x, str.c_str());}
    int mvaddnstr(int y, int x, const chstring &str, int n) {return mvwaddchnstr(win, y, x, str.c_str(), n);}

    int attroff(int attrs) {return wattroff(win, attrs);}
    int attron(int attrs) {return wattron(win, attrs);}
    int attrset(int attrs) {return wattrset(win, attrs);}
    //  int attr_set(int attrs, void *opts) {return wattr_set(win, attrs, opts);}

    void bkgdset(const chtype ch) {wbkgdset(win, ch);}
    int bkgd(const chtype ch) {return wbkgd(win, ch);}
    chtype getbkgd() {return _getbkgd(win);}

    int border(chtype ls, chtype rs, chtype ts, chtype bs, chtype tl, chtype tr, chtype bl, chtype br)
    {return wborder(win, ls, rs, ts, bs, tl, tr, bl, br);}

    int box(chtype verch, chtype horch) {return _box(win, verch, horch);}
    int hline(chtype ch, int n) {return whline(win, ch, n);}
    int vline(chtype ch, int n) {return wvline(win, ch, n);}
    int mvhline(int y, int x, chtype ch, int n) {return mvwhline(win, y, x, ch, n);}
    int mvvline(int y, int x, chtype ch, int n) {return mvwvline(win, y, x, ch, n);}

    int delch() {return wdelch(win);}
    int mvdelch(int y, int x) {return mvwdelch(win, y, x);}

    int deleteln() {return wdeleteln(win);}
    int insdelln(int n) {return winsdelln(win,n);}
    int insertln() {return winsertln(win);}

    int echochar(chtype ch) {return wechochar(win, ch);}

    int getch() {return wgetch(win);}
    int mvgetch(int y, int x) {return mvwgetch(win, y, x);}

    int get_wch(wint_t *wch) {return wget_wch(win, wch);}
    int mvget_wch(int y, int x, wint_t *wch) {return mvwget_wch(win, y, x, wch);}

    int move(int y, int x) {return wmove(win, y, x);}
    void getyx(int &y, int &x) {_getyx(win, y, x);}
    void getparyx(int &y, int &x) {_getparyx(win, y, x);}
    void getbegyx(int &y, int &x) {_getbegyx(win, y, x);}
    void getmaxyx(int &y, int &x) {_getmaxyx(win, y, x);}
    int getmaxy() {return _getmaxy(win);}
    int getmaxx() {return _getmaxx(win);}

    void show_string_as_progbar(int x, int y, const std::wstring &s,
				int attr1, int attr2, int size1,
				int totalsize);
    // Glitz bit :) Displays the given string with a progress bar behind it.

    void display_header(std::wstring s, const attr_t attr);
    void display_status(std::wstring s, const attr_t attr);
    // Make it easier to write interfaces that have a header and status line..
    // they do what they say :)

    int overlay(cwindow &dstwin) {return ::overlay(win, dstwin.win);}
    int overwrite(cwindow &dstwin) {return ::overwrite(win, dstwin.win);}
    int copywin(cwindow &dstwin, int sminrow, int smincol, int dminrow, int dmincol, int dmaxrow, int dmaxcol, int overlay)
    {return ::copywin(win, dstwin.win, sminrow, smincol, dminrow, dmincol, dmaxrow, dmaxcol, overlay);}

    int refresh() {return wrefresh(win);}
    int noutrefresh() {return wnoutrefresh(win);}

    int touch() {return _touchwin(win);}
    int untouch() {return _untouchwin(win);}
    int touchln(int y, int n, int changed) {return ::wtouchln(win, y, n, changed);}
    int touchline(int start, int count) {return touchln(start, count, 1);}
    int untouchline(int start, int count) {return touchln(start, count, 0);}

    int erase() {return werase(win);}
    int clear() {return wclear(win);}
    int clrtobot() {return wclrtobot(win);}
    int clrtoeol() {return wclrtoeol(win);}

    int keypad(bool bf) {return ::keypad(win,bf);}
    int meta(bool bf) {return ::meta(win,bf);}
    int nodelay(bool bf) {return ::nodelay(win, bf);}
    int notimeout(bool bf) {return ::notimeout(win, bf);}
    void timeout(int delay) {wtimeout(win, delay);}

    int clearok(bool bf) {return ::clearok(win, bf);}
    int idlok(bool bf) {return ::idlok(win, bf);}
    void idcok(bool bf) {::idcok(win, bf);}
    void immedok(bool bf) {::immedok(win, bf);}
#if defined(NCURSES_VERSION_MAJOR) && NCURSES_VERSION_MAJOR>=5
    int leaveok(bool bf) {int rval=::leaveok(win, bf); curs_set(bf?0:1); return rval;}
#else
    int leaveok(bool bf) {return ::leaveok(win, bf);}
#endif
    int setscrreg(int top, int bot) {return wsetscrreg(win, top, bot);}
    int scrollok(bool bf) {return ::scrollok(win,bf);}

    int printw(char *str, ...);
    /* You guessed it.. :) */

    bool enclose(int y, int x) {return wenclose(win, y, x);}

    WINDOW *getwin() {return win;}
    operator bool () {return win!=NULL;}
    cwindow &operator =(const cwindow &a)
    {
      cwindow_master *newmaster=a.master;
      newmaster->ref();

      master->deref();
      master=newmaster;
      win=a.win;
      return *this;
    }
    bool operator ==(cwindow &other) {return win==other.win;}
    bool operator !=(cwindow &other) {return win!=other.win;}

    static void remove_cruft();
  };

  extern cwindow rootwin;
  // This is stdscr, but calling it 'stdscr' would confuse the compiler, so I'm
  // confusing the programmer instead :)

  void init_curses();
  // Initializes curses and sets rootwin to the correct value

  void resize();
  // Called when a terminal resize is detected.
}

#endif