1/*
2 *  $Id: dialog.h,v 1.283 2018/06/19 22:52:11 tom Exp $
3 *
4 *  dialog.h -- common declarations for all dialog modules
5 *
6 *  Copyright 2000-2017,2018	Thomas E. Dickey
7 *
8 *  This program is free software; you can redistribute it and/or modify
9 *  it under the terms of the GNU Lesser General Public License, version 2.1
10 *  as published by the Free Software Foundation.
11 *
12 *  This program is distributed in the hope that it will be useful, but
13 *  WITHOUT ANY WARRANTY; without even the implied warranty of
14 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 *  Lesser General Public License for more details.
16 *
17 *  You should have received a copy of the GNU Lesser General Public
18 *  License along with this program; if not, write to
19 *	Free Software Foundation, Inc.
20 *	51 Franklin St., Fifth Floor
21 *	Boston, MA 02110, USA.
22 *
23 *  An earlier version of this program lists as authors
24 *	Savio Lam (lam836@cs.cuhk.hk)
25 */
26
27#ifndef DIALOG_H_included
28#define DIALOG_H_included 1
29/* *INDENT-OFF* */
30
31#include <dlg_config.h>
32
33#ifdef __hpux
34#define __HP_CURSES_COMPAT	/* workaround for getattrs, etc. */
35#endif
36
37#include <sys/types.h>
38#include <fcntl.h>
39#include <unistd.h>
40#include <ctype.h>
41#include <stdlib.h>
42#include <stdarg.h>
43#include <string.h>
44#include <signal.h>	/* fork() etc. */
45#include <math.h>	/* sqrt() */
46
47/* header conflict with Solaris xpg4 versus <sys/regset.h> */
48#if defined(ERR) && (ERR == 13)
49#undef ERR
50#endif
51
52#if defined(HAVE_NCURSESW_NCURSES_H)
53#include <ncursesw/ncurses.h>
54#elif defined(HAVE_NCURSES_NCURSES_H)
55#include <ncurses/ncurses.h>
56#elif defined(HAVE_NCURSES_CURSES_H)
57#include <ncurses/curses.h>
58#elif defined(HAVE_NCURSES_H)
59#include <ncurses.h>
60#else
61#include <curses.h>
62#if defined(HAVE_UNCTRL_H)
63#include <unctrl.h> /* most curses.h headers include this, some do not */
64#endif
65#endif
66
67/* Solaris xpg4 renames these */
68#ifndef KEY_MAX
69#ifdef __KEY_MAX
70#define KEY_MAX __KEY_MAX
71#endif
72#endif
73
74#ifndef KEY_MIN
75#ifdef __KEY_MIN
76#define KEY_MIN __KEY_MIN
77#endif
78#endif
79
80/* possible conflicts with <term.h> which may be included in <curses.h> */
81#ifdef color_names
82#undef color_names
83#endif
84
85#ifdef buttons
86#undef buttons
87#endif
88
89#ifdef ENABLE_NLS
90#include <libintl.h>
91#include <langinfo.h>
92#define _(s) dgettext(PACKAGE, s)
93#else
94#undef _
95#define _(s) s
96#endif
97
98#ifndef GCC_PRINTFLIKE
99#define GCC_PRINTFLIKE(fmt,var) /*nothing*/
100#endif
101
102#ifndef GCC_NORETURN
103#define GCC_NORETURN /*nothing*/
104#endif
105
106#ifndef GCC_UNUSED
107#define GCC_UNUSED /*nothing*/
108#endif
109
110#ifndef HAVE_WGET_WCH
111#undef USE_WIDE_CURSES
112#endif
113
114/*
115 * FIXME: a configure check would be useful
116 */
117#ifdef __hpux
118#undef ACS_UARROW
119#undef ACS_DARROW
120#undef ACS_BLOCK
121#endif
122
123/*
124 * Change these if you want
125 */
126#define USE_SHADOW TRUE
127#define USE_COLORS TRUE
128
129#ifdef HAVE_COLOR
130#define SCOLS	(COLS - (dialog_state.use_shadow ? SHADOW_COLS : 0))
131#define SLINES	(LINES - (dialog_state.use_shadow ? SHADOW_ROWS : 0))
132#else
133#define SCOLS	COLS
134#define SLINES	LINES
135#endif
136
137#define DLG_EXIT_ESC		255
138#define DLG_EXIT_UNKNOWN	-2	/* never return this (internal use) */
139#define DLG_EXIT_ERROR		-1	/* the shell sees this as 255 */
140#define DLG_EXIT_OK		0
141#define DLG_EXIT_CANCEL		1
142#define DLG_EXIT_HELP		2
143#define DLG_EXIT_EXTRA		3
144#define DLG_EXIT_ITEM_HELP	4	/* actually DLG_EXIT_HELP */
145
146#define DLG_CTRL(n)	((n) & 0x1f)	/* CTRL is preferred, but conflicts */
147
148#define CHR_HELP	DLG_CTRL('E')
149#define CHR_BACKSPACE	DLG_CTRL('H')
150#define CHR_REPAINT	DLG_CTRL('L')
151#define CHR_KILL	DLG_CTRL('U')
152#define CHR_LITERAL	DLG_CTRL('V')
153#define CHR_DELETE	127
154#define CHR_NEXT	DLG_CTRL('N')
155#define CHR_PREVIOUS	DLG_CTRL('P')
156#define CHR_TRACE	DLG_CTRL('T')
157#define CHR_SPACE 	' '
158
159#define ESC		27
160#define TAB		DLG_CTRL('I')
161
162#define MARGIN 1	/* width of the line drawn around each box */
163#define GUTTER 2	/* minimum columns between name/description in menu */
164#define SHADOW_ROWS 1	/* rows to reserve for window's shadow */
165#define SHADOW_COLS 2	/* columns to reserve for window's shadow */
166#define ARROWS_COL  5	/* distance from left margin to up/down arrows */
167
168#define MAX_LEN 2048
169#define BUF_SIZE (10L*1024)
170
171#undef  MIN
172#define MIN(x,y) ((x) < (y) ? (x) : (y))
173
174#undef  MAX
175#define MAX(x,y) ((x) > (y) ? (x) : (y))
176
177#define DEFAULT_SEPARATE_STR "\t"
178#define DEFAULT_ASPECT_RATIO 9
179/* how many spaces is a tab long (default)? */
180#define TAB_LEN 8
181#define WTIMEOUT_VAL        10	/* minimum amount of time needed for curses */
182
183#ifndef A_CHARTEXT
184#define A_CHARTEXT 0xff
185#endif
186
187#define CharOf(ch)  ((ch) & 0xff)
188
189#ifndef ACS_ULCORNER
190#define ACS_ULCORNER '+'
191#endif
192#ifndef ACS_LLCORNER
193#define ACS_LLCORNER '+'
194#endif
195#ifndef ACS_URCORNER
196#define ACS_URCORNER '+'
197#endif
198#ifndef ACS_LRCORNER
199#define ACS_LRCORNER '+'
200#endif
201#ifndef ACS_HLINE
202#define ACS_HLINE '-'
203#endif
204#ifndef ACS_VLINE
205#define ACS_VLINE '|'
206#endif
207#ifndef ACS_LTEE
208#define ACS_LTEE '+'
209#endif
210#ifndef ACS_RTEE
211#define ACS_RTEE '+'
212#endif
213#ifndef ACS_UARROW
214#define ACS_UARROW '^'
215#endif
216#ifndef ACS_DARROW
217#define ACS_DARROW 'v'
218#endif
219#ifndef ACS_BLOCK
220#define ACS_BLOCK '#'
221#endif
222
223/* these definitions may work for antique versions of curses */
224#ifndef HAVE_GETBEGYX
225#undef  getbegyx
226#define getbegyx(win,y,x)	(y = (win)?(win)->_begy:ERR, x = (win)?(win)->_begx:ERR)
227#endif
228
229#ifndef HAVE_GETMAXYX
230#undef  getmaxyx
231#define getmaxyx(win,y,x)	(y = (win)?(win)->_maxy:ERR, x = (win)?(win)->_maxx:ERR)
232#endif
233
234#ifndef HAVE_GETPARYX
235#undef  getparyx
236#define getparyx(win,y,x)	(y = (win)?(win)->_pary:ERR, x = (win)?(win)->_parx:ERR)
237#endif
238
239#if !defined(HAVE_WGETPARENT) && defined(HAVE_WINDOW__PARENT)
240#undef  wgetparent
241#define wgetparent(win)		((win) ? (win)->_parent : 0)
242#endif
243
244#if !defined(HAVE_WSYNCUP)
245#undef wsyncup
246#define wsyncup(win) /* nothing */
247#endif
248
249#if !defined(HAVE_WCURSYNCUP)
250#undef wcursyncup
251#define wcursyncup(win) /* nothing */
252#endif
253
254#ifdef __cplusplus
255extern "C" {
256#endif
257
258/* these definitions may be needed for bleeding-edge curses implementations */
259#if !(defined(HAVE_GETBEGX) && defined(HAVE_GETBEGY))
260#undef getbegx
261#undef getbegy
262#define getbegx(win) dlg_getbegx(win)
263#define getbegy(win) dlg_getbegy(win)
264extern int dlg_getbegx(WINDOW * /*win*/);
265extern int dlg_getbegy(WINDOW * /*win*/);
266#endif
267
268#if !(defined(HAVE_GETCURX) && defined(HAVE_GETCURY))
269#undef getcurx
270#undef getcury
271#define getcurx(win) dlg_getcurx(win)
272#define getcury(win) dlg_getcury(win)
273extern int dlg_getcurx(WINDOW * /*win*/);
274extern int dlg_getcury(WINDOW * /*win*/);
275#endif
276
277#if !(defined(HAVE_GETMAXX) && defined(HAVE_GETMAXY))
278#undef getmaxx
279#undef getmaxy
280#define getmaxx(win) dlg_getmaxx(win)
281#define getmaxy(win) dlg_getmaxy(win)
282extern int dlg_getmaxx(WINDOW * /*win*/);
283extern int dlg_getmaxy(WINDOW * /*win*/);
284#endif
285
286#if !(defined(HAVE_GETPARX) && defined(HAVE_GETPARY))
287#undef getparx
288#undef getpary
289#define getparx(win) dlg_getparx(win)
290#define getpary(win) dlg_getpary(win)
291extern int dlg_getparx(WINDOW * /*win*/);
292extern int dlg_getpary(WINDOW * /*win*/);
293#endif
294
295#if !(defined(HAVE_WGETPARENT) && defined(HAVE_WINDOW__PARENT))
296#undef wgetparent
297#define wgetparent(win) dlg_wgetparent(win)
298extern WINDOW * dlg_wgetparent(WINDOW * /*win*/);
299#endif
300
301/*
302 * This is a list of "old" names, which should be helpful in updating
303 * applications that use libdialog.  Starting with 2003/11/26, all exported
304 * symbols from libdialog have "dlg_" prefix, or "dialog_" prefix or "_dialog"
305 * suffix (or suffix "_dialog", e.g., init_dialog).
306 */
307#ifdef __DIALOG_OLD_NAMES__
308#define color_table                       dlg_color_table
309#define attr_clear(win,h,w,a)             dlg_attr_clear(win,h,w,a)
310#define auto_size(t,s,h,w,xl,mc)          dlg_auto_size(t,s,h,w,xl,mc)
311#define auto_sizefile(t,f,h,w,xl,mc)      dlg_auto_sizefile(t,f,h,w,xl,mc)
312#define beeping()                         dlg_beeping()
313#define box_x_ordinate(w)                 dlg_box_x_ordinate(w)
314#define box_y_ordinate(h)                 dlg_box_y_ordinate(h)
315#define calc_listh(h,lh,in)               dlg_calc_listh(h,lh,in)
316#define calc_listw(in,items,group)        dlg_calc_listw(in,items,group)
317#define color_setup()                     dlg_color_setup()
318#define create_rc(f)                      dlg_create_rc(f)
319#define ctl_size(h,w)                     dlg_ctl_size(h,w)
320#define del_window(win)                   dlg_del_window(win)
321#define dialog_clear()                    dlg_clear()
322#define draw_bottom_box(win)              dlg_draw_bottom_box(win)
323#define draw_box(win,y,x,h,w,xc,bc)       dlg_draw_box(win,y,x,h,w,xc,bc)
324#define draw_shadow(win,h,w,y,x)          dlg_draw_shadow(win,h,w,y,x)
325#define draw_title(win,t)                 dlg_draw_title(win,t)
326#define exiterr                           dlg_exiterr
327#define killall_bg(n)                     dlg_killall_bg(n)
328#define mouse_bigregion(y,x)              dlg_mouse_bigregion(y,x)
329#define mouse_free_regions()              dlg_mouse_free_regions()
330#define mouse_mkbigregion(y,x,h,w,n,ix,iy,m) dlg_mouse_mkbigregion(y,x,h,w,n,ix,iy,m)
331#define mouse_mkregion(y,x,h,w,n)         dlg_mouse_mkregion(y,x,h,w,n)
332#define mouse_region(y,x)                 dlg_mouse_region(y,x)
333#define mouse_setbase(x,y)                dlg_mouse_setbase(x,y)
334#define mouse_setcode(c)                  dlg_mouse_setcode(c)
335#define mouse_wgetch(w,c)                 dlg_mouse_wgetch(w,c)
336#define new_window(h,w,y,x)               dlg_new_window(h,w,y,x)
337#define parse_rc()                        dlg_parse_rc()
338#define print_autowrap(win,s,h,w)         dlg_print_autowrap(win,s,h,w)
339#define print_size(h,w)                   dlg_print_size(h,w)
340#define put_backtitle()                   dlg_put_backtitle()
341#define strclone(cprompt)                 dlg_strclone(cprompt)
342#define sub_window(win,h,w,y,x)           dlg_sub_window(win,h,w,y,x)
343#define tab_correct_str(s)                dlg_tab_correct_str(s)
344#endif
345
346/*
347 * Attribute names
348 */
349#define DIALOG_ATR(n)                 dlg_color_table[n].atr
350
351#define screen_attr                   DIALOG_ATR(0)
352#define shadow_attr                   DIALOG_ATR(1)
353#define dialog_attr                   DIALOG_ATR(2)
354#define title_attr                    DIALOG_ATR(3)
355#define border_attr                   DIALOG_ATR(4)
356#define button_active_attr            DIALOG_ATR(5)
357#define button_inactive_attr          DIALOG_ATR(6)
358#define button_key_active_attr        DIALOG_ATR(7)
359#define button_key_inactive_attr      DIALOG_ATR(8)
360#define button_label_active_attr      DIALOG_ATR(9)
361#define button_label_inactive_attr    DIALOG_ATR(10)
362#define inputbox_attr                 DIALOG_ATR(11)
363#define inputbox_border_attr          DIALOG_ATR(12)
364#define searchbox_attr                DIALOG_ATR(13)
365#define searchbox_title_attr          DIALOG_ATR(14)
366#define searchbox_border_attr         DIALOG_ATR(15)
367#define position_indicator_attr       DIALOG_ATR(16)
368#define menubox_attr                  DIALOG_ATR(17)
369#define menubox_border_attr           DIALOG_ATR(18)
370#define item_attr                     DIALOG_ATR(19)
371#define item_selected_attr            DIALOG_ATR(20)
372#define tag_attr                      DIALOG_ATR(21)
373#define tag_selected_attr             DIALOG_ATR(22)
374#define tag_key_attr                  DIALOG_ATR(23)
375#define tag_key_selected_attr         DIALOG_ATR(24)
376#define check_attr                    DIALOG_ATR(25)
377#define check_selected_attr           DIALOG_ATR(26)
378#define uarrow_attr                   DIALOG_ATR(27)
379#define darrow_attr                   DIALOG_ATR(28)
380#define itemhelp_attr                 DIALOG_ATR(29)
381#define form_active_text_attr         DIALOG_ATR(30)
382#define form_text_attr                DIALOG_ATR(31)
383#define form_item_readonly_attr       DIALOG_ATR(32)
384#define gauge_attr                    DIALOG_ATR(33)
385#define border2_attr                  DIALOG_ATR(34)
386#define inputbox_border2_attr         DIALOG_ATR(35)
387#define searchbox_border2_attr        DIALOG_ATR(36)
388#define menubox_border2_attr          DIALOG_ATR(37)
389
390#define DLGK_max (KEY_MAX + 256)
391
392/*
393 * Use attributes.
394 */
395#ifdef PDCURSES
396#define dlg_attrset(w,a)  (void) wattrset((w), (a))
397#define dlg_attron(w,a)   (void) wattron((w), (a))
398#define dlg_attroff(w,a)  (void) wattroff((w), (a))
399#else
400#define dlg_attrset(w,a)  (void) wattrset((w), (int)(a))
401#define dlg_attron(w,a)   (void) wattron((w), (int)(a))
402#define dlg_attroff(w,a)  (void) wattroff((w), (int)(a))
403#endif
404
405/*
406 * Callbacks are used to implement the "background" tailbox.
407 */
408struct _dlg_callback;
409
410typedef void (*DIALOG_FREEBACK) (struct _dlg_callback * /* p */);
411
412typedef struct _dlg_callback {
413    struct _dlg_callback *next;
414    FILE *input;
415    WINDOW *win;
416    bool keep_bg;	/* keep in background, on exit */
417    bool bg_task;	/* true if this is background task */
418    bool (*handle_getc)(struct _dlg_callback *p, int ch, int fkey, int *result);
419    bool keep_win;	/* true to not erase window on exit */
420    /* data for dlg_add_callback_ref */
421    struct _dlg_callback **caller;
422    DIALOG_FREEBACK freeback;
423    /* 1.1-20110107 */
424    bool (*handle_input)(struct _dlg_callback *p);
425    bool input_ready;
426} DIALOG_CALLBACK;
427
428typedef struct _dlg_windows {
429    struct _dlg_windows *next;
430    WINDOW *normal;
431    WINDOW *shadow;
432} DIALOG_WINDOWS;
433
434/*
435 * Global variables, which are initialized as needed
436 */
437typedef struct {
438    DIALOG_CALLBACK *getc_callbacks;
439    DIALOG_CALLBACK *getc_redirect;
440    DIALOG_WINDOWS *all_windows;
441    DIALOG_WINDOWS *all_subwindows;
442    FILE *output;		/* option "--output-fd fd" */
443    FILE *pipe_input;		/* used for gauge widget */
444    FILE *screen_output;	/* newterm(), etc. */
445    bool screen_initialized;
446    bool use_colors;		/* use colors by default? */
447    bool use_scrollbar;		/* option "--scrollbar" */
448    bool use_shadow;		/* shadow dialog boxes by default? */
449    bool visit_items;		/* option "--visit-items" */
450    char *separate_str;		/* option "--separate-widget string" */
451    int aspect_ratio;		/* option "--aspect ratio" */
452    int output_count;		/* # of widgets that may have done output */
453    int tab_len;		/* option "--tab-len n" */
454    /* 1.0-20070227 */
455    FILE *input;		/* option "--input-fd fd" */
456#ifdef HAVE_DLG_TRACE
457    FILE *trace_output;		/* option "--trace file" */
458#endif
459    /* 1.1-20110106 */
460    bool no_mouse;		/* option "--no-mouse" */
461    int visit_cols;		/* option "--visit-items" */
462    /* 1.2-20130922 */
463    bool finish_string;		/* caching optimization for gauge */
464    /* 1.2-20150125 */
465    bool plain_buttons;		/* true to suppress button-label highlight */
466    /* 1.3-20180610 */
467    bool text_only;		/* option "--print-text-only", etc. */
468    int text_height;
469    int text_width;
470} DIALOG_STATE;
471
472extern DIALOG_STATE dialog_state;
473
474/*
475 * Global variables, which dialog resets before each widget
476 */
477typedef struct {
478    bool beep_after_signal;	/* option "--beep-after" */
479    bool beep_signal;		/* option "--beep" */
480    bool begin_set;		/* option "--begin y x" was used */
481    bool cant_kill;		/* option "--no-kill" */
482    bool colors;		/* option "--colors" */
483    bool cr_wrap;		/* option "--cr-wrap" */
484    bool defaultno;		/* option "--defaultno" */
485    bool dlg_clear_screen;	/* option "--clear" */
486    bool extra_button;		/* option "--extra-button" */
487    bool help_button;		/* option "--help-button" */
488    bool help_status;		/* option "--help-status" */
489    bool input_menu;		/* menu vs inputmenu widget */
490    bool insecure;		/* option "--insecure" */
491    bool item_help;		/* option "--item-help" */
492    bool keep_window;		/* option "--keep-window" */
493    bool nocancel;		/* option "--no-cancel" */
494    bool nocollapse;		/* option "--no-collapse" */
495    bool print_siz;		/* option "--print-size" */
496    bool separate_output;	/* option "--separate-output" */
497    bool single_quoted;		/* option "--single-quoted" */
498    bool size_err;		/* option "--size-err" */
499    bool tab_correct;		/* option "--tab-correct" */
500    bool trim_whitespace;	/* option "--trim" */
501    char *backtitle;		/* option "--backtitle backtitle" */
502    char *cancel_label;		/* option "--cancel-label string" */
503    char *default_item;		/* option "--default-item string" */
504    char *exit_label;		/* option "--exit-label string" */
505    char *extra_label;		/* option "--extra-label string" */
506    char *help_label;		/* option "--help-label string" */
507    char *input_result;
508    char *no_label;		/* option "--no-label string" */
509    char *ok_label;		/* option "--ok-label string" */
510    char *title;		/* option "--title title" */
511    char *yes_label;		/* option "--yes-label string" */
512    int begin_x;		/* option "--begin y x" (second value) */
513    int begin_y;		/* option "--begin y x" (first value) */
514    int max_input;		/* option "--max-input size" */
515    int scale_factor;		/* RESERVED */
516    int sleep_secs;		/* option "--sleep secs" */
517    int timeout_secs;		/* option "--timeout secs" */
518    unsigned input_length;	/* nonzero if input_result is allocated */
519    /* 1.0-20051207 */
520    unsigned formitem_type;	/* DIALOG_FORMITEM.type in dialog_form() */
521    /* 1.1-20070227 */
522    bool keep_tite;		/* option "--keep-tite" */
523    bool ascii_lines;		/* option "--ascii-lines" */
524    bool no_lines;		/* option "--no-lines" */
525    /* 1.1-20070930 */
526    bool nook;			/* option "--no-ok" */
527    /* 1.1-20080727 */
528    bool quoted;		/* option "--quoted" */
529    char *column_header;	/* RESERVED "--column-header" */
530    char *column_separator;	/* option "--column-separator" */
531    char *output_separator;	/* option "--output-separator" */
532    /* 1.1-20100118 */
533    char *date_format;		/* option "--date-format" */
534    char *time_format;		/* option "--time-format" */
535    /* 1.1-20110629 */
536    char *help_line;		/* option "--hline" */
537    char *help_file;		/* option "--hfile" */
538    bool in_helpfile;		/* flag to prevent recursion in --hfile */
539    bool no_nl_expand;		/* option "--no-nl-expand" */
540    /* 1.1-20120701 */
541    int default_button;		/* option "--default-button" (exit code) */
542    /* 1.1-20121218 */
543    bool no_tags;		/* option "--no-tags" */
544    bool no_items;		/* option "--no-items" */
545    /* 1.2-20130315 */
546    bool last_key;		/* option "--last-key" */
547    /* 1.2-20130902 */
548    bool help_tags;		/* option "--help-tags" */
549    /* 1.3-20160126 */
550    char *week_start;		/* option "--week-start" */
551    /* 1.3-20160206 */
552    bool iso_week;		/* option "--iso-week" */
553    /* 1.3-20170131 */
554    bool reorder;		/* option "--reorder" */
555} DIALOG_VARS;
556
557#define USE_ITEM_HELP(s)        (dialog_vars.item_help && (s) != 0)
558
559/*
560 * Some settings change the number of data items per row which dialog reads
561 * from a script.
562 */
563#define DLG__NO_ITEMS		(dialog_vars.no_items ? 0 : 1)
564#define DLG__ITEM_HELP          (dialog_vars.item_help ? 1 : 0)
565
566/*
567 * These are the total number of data items per row used for each widget type.
568 */
569#define CHECKBOX_TAGS           (2 + DLG__ITEM_HELP + DLG__NO_ITEMS)
570#define MENUBOX_TAGS            (1 + DLG__ITEM_HELP + DLG__NO_ITEMS)
571#define FORMBOX_TAGS            (8 + DLG__ITEM_HELP)
572#define MIXEDFORM_TAGS          (1 + FORMBOX_TAGS)
573#define MIXEDGAUGE_TAGS         2
574#define TREEVIEW_TAGS           (3 + DLG__ITEM_HELP + DLG__NO_ITEMS)
575
576extern DIALOG_VARS dialog_vars;
577
578#ifndef HAVE_TYPE_CHTYPE
579#define chtype long
580#endif
581
582#ifndef isblank
583#define isblank(c)       ((c) == ' ' || (c) == TAB)
584#endif
585
586#define UCH(ch)			((unsigned char)(ch))
587
588#define assert_ptr(ptr,msg) if ((ptr) == 0) dlg_exiterr("cannot allocate memory in " msg)
589
590#define dlg_malloc(t,n)    (t *) malloc((size_t)(n) * sizeof(t))
591#define dlg_calloc(t,n)    (t *) calloc((size_t)(n), sizeof(t))
592#define dlg_realloc(t,n,p) (t *) realloc((p), (n) * sizeof(t))
593
594/*
595 * Table for attribute- and color-values.
596 */
597typedef struct {
598    chtype atr;
599#ifdef HAVE_COLOR
600    int fg;
601    int bg;
602    int hilite;
603#endif
604#ifdef HAVE_RC_FILE
605    const char *name;
606    const char *comment;
607#endif
608} DIALOG_COLORS;
609
610extern DIALOG_COLORS dlg_color_table[];
611
612/*
613 * Function prototypes
614 */
615extern const char *dialog_version(void);
616
617/* widgets, each in separate files */
618extern int dialog_buildlist(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*list_height*/, int /*item_no*/, char ** /*items*/, int /*order_mode*/);
619extern int dialog_calendar(const char * /*title*/, const char * /*subtitle*/, int /*height*/, int /*width*/, int /*day*/, int /*month*/, int /*year*/);
620extern int dialog_checklist(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*list_height*/, int /*item_no*/, char ** /*items*/, int /*flag*/);
621extern int dialog_dselect(const char * /*title*/, const char * /*path*/, int /*height*/, int /*width*/);
622extern int dialog_editbox(const char * /*title*/, const char * /*file*/, int /*height*/, int /*width*/);
623extern int dialog_form(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*form_height*/, int /*item_no*/, char ** /*items*/);
624extern int dialog_fselect(const char * /*title*/, const char * /*path*/, int /*height*/, int /*width*/);
625extern int dialog_gauge(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*percent*/);
626extern int dialog_helpfile(const char * /*title*/, const char * /*file*/, int /*height*/, int /*width*/);
627extern int dialog_inputbox(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, const char * /*init*/, const int /*password*/);
628extern int dialog_menu(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*menu_height*/, int /*item_no*/, char ** /*items*/);
629extern int dialog_mixedform(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*form_height*/, int /*item_no*/, char ** /*items*/);
630extern int dialog_mixedgauge(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*percent*/, int /*item_no*/, char ** /*items*/);
631extern int dialog_msgbox(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*pauseopt*/);
632extern int dialog_pause(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*seconds*/);
633extern int dialog_prgbox(const char * /*title*/, const char * /*cprompt*/, const char * /*command*/, int /*height*/, int /*width*/, int /*pauseopt*/);
634extern int dialog_progressbox(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/);
635extern int dialog_rangebox(const char * /*title*/, const char * /*file*/, int /*height*/, int /*width*/, int /*min_value*/, int /*max_value*/, int /*default_value*/);
636extern int dialog_tailbox(const char * /*title*/, const char * /*file*/, int /*height*/, int /*width*/, int /*bg_task*/);
637extern int dialog_textbox(const char * /*title*/, const char * /*file*/, int /*height*/, int /*width*/);
638extern int dialog_timebox(const char * /*title*/, const char * /*subtitle*/, int /*height*/, int /*width*/, int /*hour*/, int /*minute*/, int /*second*/);
639extern int dialog_treeview(const char * /*title*/, const char * /*subtitle*/, int /*height*/, int /*width*/, int /*list_height*/, int /*item_no*/, char ** /*items*/, int /*flag*/);
640extern int dialog_yesno(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/);
641
642/* some widgets have alternate entrypoints, to allow list manipulation */
643typedef struct {
644    char *name;
645    char *text;
646    char *help;
647    int state;
648} DIALOG_LISTITEM;
649
650typedef struct {
651    unsigned type;		/* the field type (0=input, 1=password) */
652    char *name;			/* the field label */
653    int name_len;		/* ...its length */
654    int name_y;			/* ...its y-ordinate */
655    int name_x;			/* ...its x-ordinate */
656    bool name_free;		/* ...true if .name can be freed */
657    char *text;			/* the field contents */
658    int text_len;		/* ...its length on the screen */
659    int text_y;			/* ...its y-ordinate */
660    int text_x;			/* ...its x-ordinate */
661    int text_flen;		/* ...its length on screen, or 0 if no input allowed */
662    int text_ilen;		/* ...its limit on amount to be entered */
663    bool text_free;		/* ...true if .text can be freed */
664    char *help;			/* help-message, if any */
665    bool help_free;		/* ...true if .help can be freed */
666} DIALOG_FORMITEM;
667
668typedef	int (DIALOG_INPUTMENU) (DIALOG_LISTITEM * /*items*/, int /*current*/, char * /*newtext*/);
669
670extern int dlg_checklist(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*list_height*/, int /*item_no*/, DIALOG_LISTITEM * /*items*/, const char * /*states*/, int /*flag*/, int * /*current_item*/);
671extern int dlg_form(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*form_height*/, int /*item_no*/, DIALOG_FORMITEM * /*items*/, int * /*current_item*/);
672extern int dlg_menu(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*menu_height*/, int /*item_no*/, DIALOG_LISTITEM * /*items*/, int * /*current_item*/, DIALOG_INPUTMENU /*rename_menu*/);
673extern int dlg_progressbox(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*pauseopt*/, FILE * /* fp */);
674
675/* argv.c */
676extern char ** dlg_string_to_argv(char * /* blob */);
677extern int dlg_count_argv(char ** /* argv */);
678extern int dlg_eat_argv(int * /* argcp */, char *** /* argvp */, int /* start */, int /* count */);
679
680/* arrows.c */
681extern void dlg_draw_arrows(WINDOW * /*dialog*/, int /*top_arrow*/, int /*bottom_arrow*/, int /*x*/, int /*top*/, int /*bottom*/);
682extern void dlg_draw_arrows2(WINDOW * /*dialog*/, int /*top_arrow*/, int /*bottom_arrow*/, int /*x*/, int /*top*/, int /*bottom*/, chtype /*attr*/, chtype /*borderattr*/);
683extern void dlg_draw_helpline(WINDOW * /*dialog*/, bool /*decorations*/);
684extern void dlg_draw_scrollbar(WINDOW * /*dialog*/, long /* first_data */, long /* this_data */, long /* next_data */, long /* total_data */, int /* left */, int /* right */, int /*top*/, int /*bottom*/, chtype /*attr*/, chtype /*borderattr*/);
685
686/* buildlist.c */
687extern int dlg_buildlist(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*list_height*/, int /*item_no*/, DIALOG_LISTITEM * /*items*/, const char * /*states*/, int /*order_mode*/, int * /*current_item*/);
688
689/* buttons.c */
690extern const char ** dlg_exit_label(void);
691extern const char ** dlg_ok_label(void);
692extern const char ** dlg_ok_labels(void);
693extern const char ** dlg_yes_labels(void);
694extern int dlg_button_count(const char ** /*labels*/);
695extern int dlg_button_to_char(const char * /*label*/);
696extern int dlg_button_x_step(const char ** /*labels*/, int /*limit*/, int * /*gap*/, int * /*margin*/, int * /*step*/);
697extern int dlg_char_to_button(int /*ch*/, const char ** /*labels*/);
698extern int dlg_exit_buttoncode(int /*button*/);
699extern int dlg_match_char(int /*ch*/, const char * /*string*/);
700extern int dlg_next_button(const char ** /*labels*/, int /*button*/);
701extern int dlg_next_ok_buttonindex(int /*current*/, int /*extra*/);
702extern int dlg_ok_buttoncode(int /*button*/);
703extern int dlg_prev_button(const char ** /*labels*/, int /*button*/);
704extern int dlg_prev_ok_buttonindex(int /*current*/, int /*extra*/);
705extern int dlg_yes_buttoncode(int /*button*/);
706extern void dlg_button_layout(const char ** /*labels*/, int * /*limit*/);
707extern void dlg_button_sizes(const char ** /*labels*/, int /*vertical*/, int * /*longest*/, int * /*length*/);
708extern void dlg_draw_buttons(WINDOW * /*win*/, int /*y*/, int /*x*/, const char ** /*labels*/, int /*selected*/, int /*vertical*/, int /*limit*/);
709
710/* columns.c */
711extern void dlg_align_columns(char ** /* target */, int  /* per_row */, int /* num_rows */);
712extern void dlg_free_columns(char ** /* target */, int  /* per_row */, int /* num_rows */);
713
714/* editbox.c */
715extern int dlg_editbox(const char * /*title*/, char *** /*list*/, int * /*rows*/, int /*height*/, int /*width*/);
716
717/* formbox.c */
718extern int dlg_default_formitem(DIALOG_FORMITEM * /*items*/);
719extern int dlg_ordinate(const char * /*s*/);
720extern void dlg_free_formitems(DIALOG_FORMITEM * /*items*/);
721
722/* guage.c */
723extern void * dlg_allocate_gauge(const char * /* title */, const char * /* cprompt */, int /* height */, int /* width */, int /* percent */);
724extern void * dlg_reallocate_gauge(void * /* objptr */, const char * /* title */, const char * /* cprompt */, int /* height */, int /* width */, int /* percent */);
725extern void dlg_free_gauge(void * /* objptr */);
726extern void dlg_update_gauge(void * /* objptr */, int /* percent */);
727
728/* inputstr.c */
729extern bool dlg_edit_string(char * /*string*/, int * /*offset*/, int /*key*/, int /*fkey*/, bool /*force*/);
730extern const int * dlg_index_columns(const char * /*string*/);
731extern const int * dlg_index_wchars(const char * /*string*/);
732extern int dlg_count_columns(const char * /*string*/);
733extern int dlg_count_wchars(const char * /*string*/);
734extern int dlg_edit_offset(char * /*string*/, int /*offset*/, int /*x_last*/);
735extern int dlg_find_index(const int * /*list*/, int  /*limit*/, int /*to_find*/);
736extern int dlg_limit_columns(const char * /*string*/, int /*limit*/, int /*offset*/);
737extern void dlg_finish_string(const char * /* string */);
738extern void dlg_show_string(WINDOW * /*win*/, const char * /*string*/, int /*offset*/, chtype /*attr*/, int /*y_base*/, int /*x_base*/, int /*x_last*/, bool /*hidden*/, bool /*force*/);
739
740/* menubox.c */
741extern int dlg_dummy_menutext(DIALOG_LISTITEM * /*items*/, int /*current*/, char * /*newtext*/);
742extern int dlg_renamed_menutext(DIALOG_LISTITEM * /*items*/, int /*current*/, char * /*newtext*/);
743
744/* prgbox.c */
745extern FILE * dlg_popen(const char * /*command */, const char * /*type */);
746
747/* rc.c */
748#ifdef HAVE_RC_FILE
749extern int dlg_parse_rc(void);
750extern void dlg_create_rc(const char * /*filename*/);
751#endif
752
753/* treeview.c */
754extern int dlg_treeview(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*list_height*/, int /*item_no*/, DIALOG_LISTITEM * /*items*/, const char * /*states*/, int * /*depths*/, int /*flag*/, int * /*current_item*/);
755
756/* ttysize.c */
757extern int dlg_ttysize(int /* fd */, int * /* height */, int * /* width */);
758
759/* ui_getc.c */
760extern int dlg_getc(WINDOW * /*win*/, int * /*fkey*/);
761extern int dlg_getc_callbacks(int /*ch*/, int /*fkey*/, int * /*result*/);
762extern int dlg_last_getc(void);
763extern void dlg_add_last_key(int /*mode*/);
764extern void dlg_add_callback(DIALOG_CALLBACK * /*p*/);
765extern void dlg_add_callback_ref(DIALOG_CALLBACK ** /*p*/, DIALOG_FREEBACK /* cleanup */);
766extern void dlg_flush_getc(void);
767extern void dlg_remove_callback(DIALOG_CALLBACK * /*p*/);
768extern void dlg_killall_bg(int *retval);
769
770/* util.c */
771extern WINDOW * dlg_new_modal_window(WINDOW * /*parent*/, int /*height*/, int /*width*/, int /*y*/, int /*x*/);
772extern WINDOW * dlg_new_window(int /*height*/, int /*width*/, int /*y*/, int /*x*/);
773extern WINDOW * dlg_sub_window(WINDOW * /*win*/, int /*height*/, int /*width*/, int /*y*/, int /*x*/);
774extern bool dlg_need_separator(void);
775extern char * dlg_set_result(const char * /*string*/);
776extern char * dlg_strclone(const char * /*cprompt*/);
777extern char * dlg_strempty(void);
778extern chtype dlg_asciibox(chtype /*ch*/);
779extern chtype dlg_boxchar(chtype /*ch*/);
780extern chtype dlg_get_attrs(WINDOW * /*win*/);
781extern const char * dlg_print_line(WINDOW * /*win*/, chtype * /*attr*/, const char * /*prompt*/, int /*lm*/, int /*rm*/, int * /*x*/);
782extern int dlg_box_x_ordinate(int /*width*/);
783extern int dlg_box_y_ordinate(int /*height*/);
784extern int dlg_calc_list_width(int /*item_no*/, DIALOG_LISTITEM * /*items*/);
785extern int dlg_calc_listw(int /*item_no*/, char ** /*items*/, int /*group*/);
786extern int dlg_check_scrolled(int /* key */, int /* last */, int /* page */, bool * /* show */, int * /* offset */);
787extern int dlg_count_real_columns(const char * /*text*/);
788extern int dlg_default_item(char ** /*items*/, int /*llen*/);
789extern int dlg_default_listitem(DIALOG_LISTITEM * /*items*/);
790extern int dlg_defaultno_button(void);
791extern int dlg_default_button(void);
792extern int dlg_max_input(int /*max_len*/);
793extern int dlg_print_scrolled(WINDOW * /* win */, const char * /* prompt */, int /* offset */, int /* height */, int /* width */, int /* pauseopt */);
794extern void dlg_add_help_formitem(int * /* result */, char ** /* tag */, DIALOG_FORMITEM * /* item */);
795extern void dlg_add_help_listitem(int * /* result */, char ** /* tag */, DIALOG_LISTITEM * /* item */);
796extern void dlg_add_quoted(char * /*string*/);
797extern void dlg_add_result(const char * /*string*/);
798extern void dlg_add_separator(void);
799extern void dlg_add_string(char * /*string*/);
800extern void dlg_attr_clear(WINDOW * /*win*/, int /*height*/, int /*width*/, chtype /*attr*/);
801extern void dlg_auto_size(const char * /*title*/, const char * /*prompt*/, int * /*height*/, int * /*width*/, int /*boxlines*/, int /*mincols*/);
802extern void dlg_auto_sizefile(const char * /*title*/, const char * /*file*/, int * /*height*/, int * /*width*/, int /*boxlines*/, int /*mincols*/);
803extern void dlg_beeping(void);
804extern void dlg_calc_listh(int * /*height*/, int * /*list_height*/, int /*item_no*/);
805extern void dlg_clear(void);
806extern void dlg_clr_result(void);
807extern void dlg_ctl_size(int /*height*/, int /*width*/);
808extern void dlg_del_window(WINDOW * /*win*/);
809extern void dlg_does_output(void);
810extern void dlg_draw_bottom_box(WINDOW * /*win*/);
811extern void dlg_draw_bottom_box2(WINDOW * /*win*/, chtype /*on_left*/, chtype /*on_right*/, chtype /*on_inside*/);
812extern void dlg_draw_box(WINDOW * /*win*/, int /*y*/, int /*x*/, int /*height*/, int /*width*/, chtype /*boxchar*/, chtype /*borderchar*/);
813extern void dlg_draw_box2(WINDOW * /*win*/, int /*y*/, int /*x*/, int /*height*/, int /*width*/, chtype /*boxchar*/, chtype /*borderchar*/, chtype /*borderchar2*/);
814extern void dlg_draw_title(WINDOW *win, const char *title);
815extern void dlg_exit(int /*code*/) GCC_NORETURN;
816extern void dlg_item_help(const char * /*txt*/);
817extern void dlg_print_autowrap(WINDOW * /*win*/, const char * /*prompt*/, int /*height*/, int /*width*/);
818extern void dlg_print_listitem(WINDOW * /*win*/, const char * /*text*/, int /*climit*/, bool /*first*/, int /*selected*/);
819extern void dlg_print_size(int /*height*/, int /*width*/);
820extern void dlg_print_text(WINDOW * /*win*/, const char * /*txt*/, int /*len*/, chtype * /*attr*/);
821extern void dlg_put_backtitle(void);
822extern void dlg_restore_vars(DIALOG_VARS * /* save */);
823extern void dlg_save_vars(DIALOG_VARS * /* save */);
824extern void dlg_set_focus(WINDOW * /*parent*/, WINDOW * /*win*/);
825extern void dlg_tab_correct_str(char * /*prompt*/);
826extern void dlg_trim_string(char * /*src*/);
827extern void end_dialog(void);
828extern void init_dialog(FILE * /*input*/, FILE * /*output*/);
829
830extern void dlg_exiterr(const char *, ...) GCC_NORETURN GCC_PRINTFLIKE(1,2);
831
832#ifdef HAVE_COLOR
833extern chtype dlg_color_pair(int /*foreground*/, int /*background*/);
834extern int dlg_color_count(void);
835extern void dlg_color_setup(void);
836extern void dlg_draw_shadow(WINDOW * /*win*/, int /*height*/, int /*width*/, int /*y*/, int /*x*/);
837#endif
838
839#ifdef HAVE_STRCASECMP
840#define dlg_strcmp(a,b) strcasecmp(a,b)
841#else
842extern int dlg_strcmp(const char * /*a*/, const char * /*b*/);
843#endif
844
845#ifdef HAVE_DLG_TRACE
846#define DLG_TRACE(params) dlg_trace_msg params
847extern void dlg_trace_msg(const char *fmt, ...) GCC_PRINTFLIKE(1,2);
848#define DLG_TRACE2S(name,value) dlg_trace_2s (name,value)
849#define DLG_TRACE2N(name,value) dlg_trace_2n (name,value)
850extern void dlg_trace_2s(const char * /*name*/, const char * /*value*/);
851extern void dlg_trace_2n(const char * /*name*/, int /*value*/);
852extern void dlg_trace_win(WINDOW * /*win*/);
853extern void dlg_trace_chr(int /*ch*/, int /*fkey*/);
854extern void dlg_trace(const char * /*fname*/);
855#else
856#define DLG_TRACE(params) /* nothing */
857#define DLG_TRACE2S(name,value) /* nothing */
858#define DLG_TRACE2N(name,value) /* nothing */
859#define dlg_trace_win(win) /* nothing */
860#define dlg_trace_chr(ch,fkey) /* nothing */
861#define dlg_trace(fname) /* nothing */
862#endif
863
864#ifdef KEY_RESIZE
865extern void dlg_move_window(WINDOW * /*win*/, int /*height*/, int /*width*/, int /*y*/, int /*x*/);
866extern void dlg_will_resize(WINDOW * /*win*/);
867#endif
868
869/*
870 * Normally "enter" means "ok".  Use this macro to handle the explicit
871 * check for DLGK_ENTER:
872 */
873#define dlg_enter_buttoncode(code) (dialog_vars.nook ? DLG_EXIT_OK : dlg_ok_buttoncode(code))
874
875/*
876 * The following stuff is needed for mouse support
877 */
878typedef struct mseRegion {
879    int x, y, X, Y, code;
880    int mode, step_x, step_y;
881    struct mseRegion *next;
882} mseRegion;
883
884#if defined(NCURSES_MOUSE_VERSION)
885
886#define	mouse_open() mousemask(BUTTON1_PRESSED, (mmask_t *) 0)
887#define	mouse_close() mousemask(0, (mmask_t *) 0)
888
889extern mseRegion * dlg_mouse_mkregion (int /*y*/, int /*x*/, int /*height*/, int /*width*/, int /*code*/);
890extern void dlg_mouse_free_regions (void);
891extern void dlg_mouse_mkbigregion (int /*y*/, int /*x*/, int /*height*/, int /*width*/, int /*code*/, int /*step_x*/, int /*step_y*/, int /*mode*/);
892extern void dlg_mouse_setbase (int /*x*/, int /*y*/);
893extern void dlg_mouse_setcode (int /*code*/);
894
895#define USE_MOUSE 1
896
897#else
898
899#define	mouse_open() /*nothing*/
900#define	mouse_close() /*nothing*/
901#define dlg_mouse_free_regions() /* nothing */
902#define	dlg_mouse_mkregion(y, x, height, width, code) /*nothing*/
903#define	dlg_mouse_mkbigregion(y, x, height, width, code, step_x, step_y, mode) /*nothing*/
904#define	dlg_mouse_setbase(x, y) /*nothing*/
905#define	dlg_mouse_setcode(c) /*nothing*/
906
907#define USE_MOUSE 0
908
909#endif
910
911extern mseRegion *dlg_mouse_region (int /*y*/, int /*x*/);
912extern mseRegion *dlg_mouse_bigregion (int /*y*/, int /*x*/);
913extern int dlg_mouse_wgetch (WINDOW * /*win*/, int * /*fkey*/);
914extern int dlg_mouse_wgetch_nowait (WINDOW * /*win*/, int * /*fkey*/);
915
916#define mouse_mkbutton(y,x,len,code) dlg_mouse_mkregion(y,x,1,len,code);
917
918/*
919 * This is the base for fictitious keys, which activate
920 * the buttons.
921 *
922 * Mouse-generated keys are the following:
923 *   -- the first 32 are used as numbers, in addition to '0'-'9'
924 *   -- uppercase chars are used to invoke the button (M_EVENT + 'O')
925 */
926#define M_EVENT (DLGK_max + 1)
927
928/*
929 * The `flag' parameter in checklist is used to select between
930 * radiolist and checklist
931 */
932#define FLAG_CHECK 1
933#define FLAG_RADIO 0
934
935/*
936 * This is used only for debugging (FIXME: should have a separate header).
937 */
938#ifdef NO_LEAKS
939extern void _dlg_inputstr_leaks(void);
940#if defined(NCURSES_VERSION) && defined(HAVE__NC_FREE_AND_EXIT)
941extern void _nc_free_and_exit(int);	/* nc_alloc.h normally not installed */
942#endif
943#endif
944
945#ifdef __cplusplus
946}
947#endif
948/* *INDENT-ON* */
949
950#endif /* DIALOG_H_included */
951