xref: /dragonfly/contrib/dialog/dialog.h (revision ec1c3f3a)
1 /*
2  *  $Id: dialog.h,v 1.308 2022/04/03 22:38:16 tom Exp $
3  *
4  *  dialog.h -- common declarations for all dialog modules
5  *
6  *  Copyright 2000-2021,2022	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 #ifndef GCC_PRINTFLIKE
81 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
82 #endif
83 
84 #ifndef GCC_NORETURN
85 #define GCC_NORETURN /*nothing*/
86 #endif
87 
88 #ifndef GCC_UNUSED
89 #define GCC_UNUSED /*nothing*/
90 #endif
91 
92 /*
93  * FIXME: a configure check would be useful
94  */
95 #ifdef __hpux
96 #undef ACS_UARROW
97 #undef ACS_DARROW
98 #undef ACS_BLOCK
99 #endif
100 
101 /*
102  * Change these if you want
103  */
104 #define USE_SHADOW TRUE
105 #define USE_COLORS TRUE
106 
107 /*
108  * These allow using the print-formatting code before curses is initialized.
109  */
110 #define DLG_COLS  (COLS  ? COLS  : dialog_state.screen_width)
111 #define DLG_LINES (LINES ? LINES : dialog_state.screen_height)
112 
113 /*
114  * Define the usable size of a window, discounting the area needed for shadow.
115  */
116 #ifdef HAVE_COLOR
117 #define SCOLS	(DLG_COLS  - (dialog_state.use_shadow ? SHADOW_COLS : 0))
118 #define SLINES	(DLG_LINES - (dialog_state.use_shadow ? SHADOW_ROWS : 0))
119 #else
120 #define SCOLS	COLS
121 #define SLINES	LINES
122 #endif
123 
124 /*
125  * These are the default values for exit-codes, which can be overridden by
126  * environment variables, e.g., $DIALOG_CANCEL for DLG_EXIT_CANCEL.
127  */
128 #define DLG_EXIT_ESC		255
129 #define DLG_EXIT_UNKNOWN	-2	/* never return this (internal use) */
130 #define DLG_EXIT_ERROR		-1	/* the shell sees this as 255 */
131 #define DLG_EXIT_OK		0
132 #define DLG_EXIT_CANCEL		1
133 #define DLG_EXIT_HELP		2
134 #define DLG_EXIT_EXTRA		3
135 #define DLG_EXIT_ITEM_HELP	4	/* actually DLG_EXIT_HELP */
136 #define DLG_EXIT_TIMEOUT	5
137 
138 #define MARGIN 1	/* width of the line drawn around each box */
139 #define GUTTER 2	/* minimum columns between name/description in menu */
140 #define SHADOW_ROWS 1	/* rows to reserve for window's shadow */
141 #define SHADOW_COLS 2	/* columns to reserve for window's shadow */
142 #define ARROWS_COL  5	/* distance from left margin to up/down arrows */
143 
144 #define DEFAULT_SEPARATE_STR "\t"
145 #define DEFAULT_ASPECT_RATIO 9
146 /* how many spaces is a tab long (default)? */
147 #define TAB_LEN 8
148 #define WTIMEOUT_VAL        10	/* minimum amount of time needed for curses */
149 #define WTIMEOUT_OFF        -1	/* value to disable timeout */
150 
151 #ifndef A_CHARTEXT
152 #define A_CHARTEXT 0xff
153 #endif
154 
155 #ifndef ACS_ULCORNER
156 #define ACS_ULCORNER '+'
157 #endif
158 #ifndef ACS_LLCORNER
159 #define ACS_LLCORNER '+'
160 #endif
161 #ifndef ACS_URCORNER
162 #define ACS_URCORNER '+'
163 #endif
164 #ifndef ACS_LRCORNER
165 #define ACS_LRCORNER '+'
166 #endif
167 #ifndef ACS_HLINE
168 #define ACS_HLINE '-'
169 #endif
170 #ifndef ACS_VLINE
171 #define ACS_VLINE '|'
172 #endif
173 #ifndef ACS_LTEE
174 #define ACS_LTEE '+'
175 #endif
176 #ifndef ACS_RTEE
177 #define ACS_RTEE '+'
178 #endif
179 #ifndef ACS_UARROW
180 #define ACS_UARROW '^'
181 #endif
182 #ifndef ACS_DARROW
183 #define ACS_DARROW 'v'
184 #endif
185 #ifndef ACS_BLOCK
186 #define ACS_BLOCK '#'
187 #endif
188 
189 #ifdef __cplusplus
190 extern "C" {
191 #endif
192 
193 /*
194  * This is a list of "old" names, which should be helpful in updating
195  * applications that use libdialog.  Starting with 2003/11/26, all exported
196  * symbols from libdialog have "dlg_" prefix, or "dialog_" prefix or "_dialog"
197  * suffix (or suffix "_dialog", e.g., init_dialog).
198  */
199 #ifdef __DIALOG_OLD_NAMES__
200 #define color_table                       dlg_color_table
201 #define attr_clear(win,h,w,a)             dlg_attr_clear(win,h,w,a)
202 #define auto_size(t,s,h,w,xl,mc)          dlg_auto_size(t,s,h,w,xl,mc)
203 #define auto_sizefile(t,f,h,w,xl,mc)      dlg_auto_sizefile(t,f,h,w,xl,mc)
204 #define beeping()                         dlg_beeping()
205 #define box_x_ordinate(w)                 dlg_box_x_ordinate(w)
206 #define box_y_ordinate(h)                 dlg_box_y_ordinate(h)
207 #define calc_listh(h,lh,in)               dlg_calc_listh(h,lh,in)
208 #define calc_listw(in,items,group)        dlg_calc_listw(in,items,group)
209 #define color_setup()                     dlg_color_setup()
210 #define create_rc(f)                      dlg_create_rc(f)
211 #define ctl_size(h,w)                     dlg_ctl_size(h,w)
212 #define del_window(win)                   dlg_del_window(win)
213 #define dialog_clear()                    dlg_clear()
214 #define draw_bottom_box(win)              dlg_draw_bottom_box(win)
215 #define draw_box(win,y,x,h,w,xc,bc)       dlg_draw_box(win,y,x,h,w,xc,bc)
216 #define draw_shadow(win,h,w,y,x)          dlg_draw_shadow(win,h,w,y,x)
217 #define draw_title(win,t)                 dlg_draw_title(win,t)
218 #define exiterr                           dlg_exiterr
219 #define killall_bg(n)                     dlg_killall_bg(n)
220 #define mouse_bigregion(y,x)              dlg_mouse_bigregion(y,x)
221 #define mouse_free_regions()              dlg_mouse_free_regions()
222 #define mouse_mkbigregion(y,x,h,w,n,ix,iy,m) dlg_mouse_mkbigregion(y,x,h,w,n,ix,iy,m)
223 #define mouse_mkregion(y,x,h,w,n)         dlg_mouse_mkregion(y,x,h,w,n)
224 #define mouse_region(y,x)                 dlg_mouse_region(y,x)
225 #define mouse_setbase(x,y)                dlg_mouse_setbase(x,y)
226 #define mouse_setcode(c)                  dlg_mouse_setcode(c)
227 #define mouse_wgetch(w,c)                 dlg_mouse_wgetch(w,c)
228 #define new_window(h,w,y,x)               dlg_new_window(h,w,y,x)
229 #define parse_rc()                        dlg_parse_rc()
230 #define print_autowrap(win,s,h,w)         dlg_print_autowrap(win,s,h,w)
231 #define print_size(h,w)                   dlg_print_size(h,w)
232 #define put_backtitle()                   dlg_put_backtitle()
233 #define strclone(cprompt)                 dlg_strclone(cprompt)
234 #define sub_window(win,h,w,y,x)           dlg_sub_window(win,h,w,y,x)
235 #define tab_correct_str(s)                dlg_tab_correct_str(s)
236 #endif
237 
238 /*
239  * Attribute names
240  */
241 #define DIALOG_ATR(n)                 dlg_color_table[n].atr
242 
243 #define screen_attr                   DIALOG_ATR(0)
244 #define shadow_attr                   DIALOG_ATR(1)
245 #define dialog_attr                   DIALOG_ATR(2)
246 #define title_attr                    DIALOG_ATR(3)
247 #define border_attr                   DIALOG_ATR(4)
248 #define button_active_attr            DIALOG_ATR(5)
249 #define button_inactive_attr          DIALOG_ATR(6)
250 #define button_key_active_attr        DIALOG_ATR(7)
251 #define button_key_inactive_attr      DIALOG_ATR(8)
252 #define button_label_active_attr      DIALOG_ATR(9)
253 #define button_label_inactive_attr    DIALOG_ATR(10)
254 #define inputbox_attr                 DIALOG_ATR(11)
255 #define inputbox_border_attr          DIALOG_ATR(12)
256 #define searchbox_attr                DIALOG_ATR(13)
257 #define searchbox_title_attr          DIALOG_ATR(14)
258 #define searchbox_border_attr         DIALOG_ATR(15)
259 #define position_indicator_attr       DIALOG_ATR(16)
260 #define menubox_attr                  DIALOG_ATR(17)
261 #define menubox_border_attr           DIALOG_ATR(18)
262 #define item_attr                     DIALOG_ATR(19)
263 #define item_selected_attr            DIALOG_ATR(20)
264 #define tag_attr                      DIALOG_ATR(21)
265 #define tag_selected_attr             DIALOG_ATR(22)
266 #define tag_key_attr                  DIALOG_ATR(23)
267 #define tag_key_selected_attr         DIALOG_ATR(24)
268 #define check_attr                    DIALOG_ATR(25)
269 #define check_selected_attr           DIALOG_ATR(26)
270 #define uarrow_attr                   DIALOG_ATR(27)
271 #define darrow_attr                   DIALOG_ATR(28)
272 #define itemhelp_attr                 DIALOG_ATR(29)
273 #define form_active_text_attr         DIALOG_ATR(30)
274 #define form_text_attr                DIALOG_ATR(31)
275 #define form_item_readonly_attr       DIALOG_ATR(32)
276 #define gauge_attr                    DIALOG_ATR(33)
277 #define border2_attr                  DIALOG_ATR(34)
278 #define inputbox_border2_attr         DIALOG_ATR(35)
279 #define searchbox_border2_attr        DIALOG_ATR(36)
280 #define menubox_border2_attr          DIALOG_ATR(37)
281 
282 #define DLGK_max (KEY_MAX + 256)
283 
284 /*
285  * Callbacks are used to implement the "background" tailbox.
286  */
287 struct _dlg_callback;
288 
289 typedef void (*DIALOG_FREEBACK) (struct _dlg_callback * /* p */);
290 
291 typedef struct _dlg_callback {
292     struct _dlg_callback *next;
293     FILE *input;
294     WINDOW *win;
295     bool keep_bg;	/* keep in background, on exit */
296     bool bg_task;	/* true if this is background task */
297     bool (*handle_getc)(struct _dlg_callback *p, int ch, int fkey, int *result);
298     bool keep_win;	/* true to not erase window on exit */
299     /* data for dlg_add_callback_ref */
300     struct _dlg_callback **caller;
301     DIALOG_FREEBACK freeback;
302     /* 1.1-20110107 */
303     bool (*handle_input)(struct _dlg_callback *p);
304     bool input_ready;
305 } DIALOG_CALLBACK;
306 
307 typedef struct _dlg_windows {
308     struct _dlg_windows *next;
309     WINDOW *normal;
310     WINDOW *shadow;
311     int getc_timeout;
312 } DIALOG_WINDOWS;
313 
314 /*
315  * Global variables, which are initialized as needed
316  */
317 typedef struct {
318     DIALOG_CALLBACK *getc_callbacks;
319     DIALOG_CALLBACK *getc_redirect;
320     DIALOG_WINDOWS *all_windows;
321     DIALOG_WINDOWS *all_subwindows;
322     FILE *output;		/* option "--output-fd fd" */
323     FILE *pipe_input;		/* used for gauge widget */
324     FILE *screen_output;	/* newterm(), etc. */
325     bool screen_initialized;
326     bool use_colors;		/* use colors by default? */
327     bool use_scrollbar;		/* option "--scrollbar" */
328     bool use_shadow;		/* shadow dialog boxes by default? */
329     bool visit_items;		/* option "--visit-items" */
330     char *separate_str;		/* option "--separate-widget string" */
331     int aspect_ratio;		/* option "--aspect ratio" */
332     int output_count;		/* # of widgets that may have done output */
333     int tab_len;		/* option "--tab-len n" */
334     /* 1.0-20070227 */
335     FILE *input;		/* option "--input-fd fd" */
336 #ifdef HAVE_DLG_TRACE
337     FILE *trace_output;		/* option "--trace file" */
338 #endif
339     /* 1.1-20110106 */
340     bool no_mouse;		/* option "--no-mouse" */
341     int visit_cols;		/* option "--visit-items" */
342     /* 1.2-20130922 */
343     bool finish_string;		/* caching optimization for gauge */
344     /* 1.2-20150125 */
345     bool plain_buttons;		/* true to suppress button-label highlight */
346     /* 1.3-20180610 */
347     bool text_only;		/* option "--print-text-only", etc. */
348     int text_height;
349     int text_width;
350     /* 1.3-20190211 */
351     int screen_height;
352     int screen_width;
353 #ifdef KEY_RESIZE
354     /* 1.3-20190724 */
355     bool had_resize;		/* ERR may follow KEY_RESIZE when polling */
356 #endif
357 } DIALOG_STATE;
358 
359 extern DIALOG_STATE dialog_state;
360 
361 /*
362  * Global variables, which dialog resets before each widget
363  */
364 typedef struct {
365     bool beep_after_signal;	/* option "--beep-after" */
366     bool beep_signal;		/* option "--beep" */
367     bool begin_set;		/* option "--begin y x" was used */
368     bool cant_kill;		/* option "--no-kill" */
369     bool colors;		/* option "--colors" */
370     bool cr_wrap;		/* option "--cr-wrap" */
371     bool defaultno;		/* option "--defaultno" */
372     bool dlg_clear_screen;	/* option "--clear" */
373     bool extra_button;		/* option "--extra-button" */
374     bool help_button;		/* option "--help-button" */
375     bool help_status;		/* option "--help-status" */
376     bool input_menu;		/* menu vs inputmenu widget */
377     bool insecure;		/* option "--insecure" */
378     bool item_help;		/* option "--item-help" */
379     bool keep_window;		/* option "--keep-window" */
380     bool nocancel;		/* option "--no-cancel" */
381     bool nocollapse;		/* option "--no-collapse" */
382     bool print_siz;		/* option "--print-size" */
383     bool separate_output;	/* option "--separate-output" */
384     bool single_quoted;		/* option "--single-quoted" */
385     bool size_err;		/* option "--size-err" */
386     bool tab_correct;		/* option "--tab-correct" */
387     bool trim_whitespace;	/* option "--trim" */
388     char *backtitle;		/* option "--backtitle backtitle" */
389     char *cancel_label;		/* option "--cancel-label string" */
390     char *default_item;		/* option "--default-item string" */
391     char *exit_label;		/* option "--exit-label string" */
392     char *extra_label;		/* option "--extra-label string" */
393     char *help_label;		/* option "--help-label string" */
394     char *input_result;
395     char *no_label;		/* option "--no-label string" */
396     char *ok_label;		/* option "--ok-label string" */
397     char *title;		/* option "--title title" */
398     char *yes_label;		/* option "--yes-label string" */
399     int begin_x;		/* option "--begin y x" (second value) */
400     int begin_y;		/* option "--begin y x" (first value) */
401     int max_input;		/* option "--max-input size" */
402     int scale_factor;		/* RESERVED */
403     int sleep_secs;		/* option "--sleep secs" */
404     int timeout_secs;		/* option "--timeout secs" */
405     unsigned input_length;	/* nonzero if input_result is allocated */
406     /* 1.0-20051207 */
407     unsigned formitem_type;	/* DIALOG_FORMITEM.type in dialog_form() */
408     /* 1.1-20070227 */
409     bool keep_tite;		/* option "--keep-tite" */
410     bool ascii_lines;		/* option "--ascii-lines" */
411     bool no_lines;		/* option "--no-lines" */
412     /* 1.1-20070930 */
413     bool nook;			/* option "--no-ok" */
414     /* 1.1-20080727 */
415     bool quoted;		/* option "--quoted" */
416     char *column_header;	/* RESERVED "--column-header" */
417     char *column_separator;	/* option "--column-separator" */
418     char *output_separator;	/* option "--output-separator" */
419     /* 1.1-20100118 */
420     char *date_format;		/* option "--date-format" */
421     char *time_format;		/* option "--time-format" */
422     /* 1.1-20110629 */
423     char *help_line;		/* option "--hline" */
424     char *help_file;		/* option "--hfile" */
425     bool in_helpfile;		/* flag to prevent recursion in --hfile */
426     bool no_nl_expand;		/* option "--no-nl-expand" */
427     /* 1.1-20120701 */
428     int default_button;		/* option "--default-button" (exit code) */
429     /* 1.1-20121218 */
430     bool no_tags;		/* option "--no-tags" */
431     bool no_items;		/* option "--no-items" */
432     /* 1.2-20130315 */
433     bool last_key;		/* option "--last-key" */
434     /* 1.2-20130902 */
435     bool help_tags;		/* option "--help-tags" */
436     /* 1.3-20160126 */
437     char *week_start;		/* option "--week-start" */
438     /* 1.3-20160206 */
439     bool iso_week;		/* option "--iso-week" */
440     /* 1.3-20170131 */
441     bool reorder;		/* option "--reorder" */
442     /* 1.3-20201117 */
443     int pause_secs;		/* used by pause widget */
444     /* 1.3-20201126 */
445     bool erase_on_exit;		/* option "--erase-on-exit" */
446     bool cursor_off_label;	/* option "--cursor-off-label" */
447     /* 1.3-20210117 */
448     bool no_hot_list;		/* option "--no-hot-list" */
449 } DIALOG_VARS;
450 
451 #define USE_ITEM_HELP(s)        (dialog_vars.item_help && (s) != 0)
452 
453 /*
454  * Some settings change the number of data items per row which dialog reads
455  * from a script.
456  */
457 #define DLG__NO_ITEMS		(dialog_vars.no_items ? 0 : 1)
458 #define DLG__ITEM_HELP          (dialog_vars.item_help ? 1 : 0)
459 
460 /*
461  * These are the total number of data items per row used for each widget type.
462  */
463 #define CHECKBOX_TAGS           (2 + DLG__ITEM_HELP + DLG__NO_ITEMS)
464 #define MENUBOX_TAGS            (1 + DLG__ITEM_HELP + DLG__NO_ITEMS)
465 #define FORMBOX_TAGS            (8 + DLG__ITEM_HELP)
466 #define MIXEDFORM_TAGS          (1 + FORMBOX_TAGS)
467 #define MIXEDGAUGE_TAGS         2
468 #define TREEVIEW_TAGS           (3 + DLG__ITEM_HELP + DLG__NO_ITEMS)
469 
470 extern DIALOG_VARS dialog_vars;
471 
472 #ifndef HAVE_TYPE_CHTYPE
473 #define chtype long
474 #endif
475 
476 /*
477  * Table for attribute- and color-values.
478  */
479 typedef struct {
480     chtype atr;			/* attribute corresponding to fg, bg, etc */
481 #ifdef HAVE_COLOR
482     int fg;			/* foreground color-number */
483     int bg;			/* background color-number */
484     int hilite;			/* true if bold */
485 #ifdef HAVE_RC_FILE2
486     int ul;			/* true if underline */
487     int rv;			/* true if reverse */
488 #endif /* HAVE_RC_FILE2 */
489 #endif /* HAVE_COLOR */
490 #ifdef HAVE_RC_FILE
491     const char *name;
492     const char *comment;
493 #endif
494 } DIALOG_COLORS;
495 
496 extern DIALOG_COLORS dlg_color_table[];
497 
498 /*
499  * Function prototypes
500  */
501 extern const char *dialog_version(void);
502 
503 /* widgets, each in separate files */
504 extern int dialog_buildlist(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*list_height*/, int /*item_no*/, char ** /*items*/, int /*order_mode*/);
505 extern int dialog_calendar(const char * /*title*/, const char * /*subtitle*/, int /*height*/, int /*width*/, int /*day*/, int /*month*/, int /*year*/);
506 extern int dialog_checklist(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*list_height*/, int /*item_no*/, char ** /*items*/, int /*flag*/);
507 extern int dialog_dselect(const char * /*title*/, const char * /*path*/, int /*height*/, int /*width*/);
508 extern int dialog_editbox(const char * /*title*/, const char * /*file*/, int /*height*/, int /*width*/);
509 extern int dialog_form(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*form_height*/, int /*item_no*/, char ** /*items*/);
510 extern int dialog_fselect(const char * /*title*/, const char * /*path*/, int /*height*/, int /*width*/);
511 extern int dialog_gauge(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*percent*/);
512 extern int dialog_helpfile(const char * /*title*/, const char * /*file*/, int /*height*/, int /*width*/);
513 extern int dialog_inputbox(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, const char * /*init*/, const int /*password*/);
514 extern int dialog_menu(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*menu_height*/, int /*item_no*/, char ** /*items*/);
515 extern int dialog_mixedform(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*form_height*/, int /*item_no*/, char ** /*items*/);
516 extern int dialog_mixedgauge(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*percent*/, int /*item_no*/, char ** /*items*/);
517 extern int dialog_msgbox(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*pauseopt*/);
518 extern int dialog_pause(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*seconds*/);
519 extern int dialog_prgbox(const char * /*title*/, const char * /*cprompt*/, const char * /*command*/, int /*height*/, int /*width*/, int /*pauseopt*/);
520 extern int dialog_progressbox(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/);
521 extern int dialog_rangebox(const char * /*title*/, const char * /*file*/, int /*height*/, int /*width*/, int /*min_value*/, int /*max_value*/, int /*default_value*/);
522 extern int dialog_tailbox(const char * /*title*/, const char * /*file*/, int /*height*/, int /*width*/, int /*bg_task*/);
523 extern int dialog_textbox(const char * /*title*/, const char * /*file*/, int /*height*/, int /*width*/);
524 extern int dialog_timebox(const char * /*title*/, const char * /*subtitle*/, int /*height*/, int /*width*/, int /*hour*/, int /*minute*/, int /*second*/);
525 extern int dialog_treeview(const char * /*title*/, const char * /*subtitle*/, int /*height*/, int /*width*/, int /*list_height*/, int /*item_no*/, char ** /*items*/, int /*flag*/);
526 extern int dialog_yesno(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/);
527 
528 /* some widgets have alternate entrypoints, to allow list manipulation */
529 typedef struct {
530     char *name;
531     char *text;
532     char *help;
533     int state;
534 } DIALOG_LISTITEM;
535 
536 typedef struct {
537     unsigned type;		/* the field type (0=input, 1=password) */
538     char *name;			/* the field label */
539     int name_len;		/* ...its length */
540     int name_y;			/* ...its y-ordinate */
541     int name_x;			/* ...its x-ordinate */
542     bool name_free;		/* ...true if .name can be freed */
543     char *text;			/* the field contents */
544     int text_len;		/* ...its length on the screen */
545     int text_y;			/* ...its y-ordinate */
546     int text_x;			/* ...its x-ordinate */
547     int text_flen;		/* ...its length on screen, or 0 if no input allowed */
548     int text_ilen;		/* ...its limit on amount to be entered */
549     bool text_free;		/* ...true if .text can be freed */
550     char *help;			/* help-message, if any */
551     bool help_free;		/* ...true if .help can be freed */
552 } DIALOG_FORMITEM;
553 
554 typedef	int (DIALOG_INPUTMENU) (DIALOG_LISTITEM * /*items*/, int /*current*/, char * /*newtext*/);
555 
556 extern 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*/);
557 extern 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*/);
558 extern 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*/);
559 extern int dlg_progressbox(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*pauseopt*/, FILE * /* fp */);
560 
561 /* argv.c */
562 extern char ** dlg_string_to_argv(char * /* blob */);
563 extern int dlg_count_argv(char ** /* argv */);
564 extern int dlg_eat_argv(int * /* argcp */, char *** /* argvp */, int /* start */, int /* count */);
565 
566 /* arrows.c */
567 extern void dlg_draw_arrows(WINDOW * /*dialog*/, int /*top_arrow*/, int /*bottom_arrow*/, int /*x*/, int /*top*/, int /*bottom*/);
568 extern void dlg_draw_arrows2(WINDOW * /*dialog*/, int /*top_arrow*/, int /*bottom_arrow*/, int /*x*/, int /*top*/, int /*bottom*/, chtype /*attr*/, chtype /*borderattr*/);
569 extern void dlg_draw_helpline(WINDOW * /*dialog*/, bool /*decorations*/);
570 extern 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*/);
571 
572 /* buildlist.c */
573 extern 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*/);
574 
575 /* buttons.c */
576 extern const char ** dlg_exit_label(void);
577 extern const char ** dlg_ok_label(void);
578 extern const char ** dlg_ok_labels(void);
579 extern const char ** dlg_yes_labels(void);
580 extern int dlg_button_count(const char ** /*labels*/);
581 extern int dlg_button_to_char(const char * /*label*/);
582 extern int dlg_button_x_step(const char ** /*labels*/, int /*limit*/, int * /*gap*/, int * /*margin*/, int * /*step*/);
583 extern int dlg_char_to_button(int /*ch*/, const char ** /*labels*/);
584 extern int dlg_exit_buttoncode(int /*button*/);
585 extern int dlg_match_char(int /*ch*/, const char * /*string*/);
586 extern int dlg_next_button(const char ** /*labels*/, int /*button*/);
587 extern int dlg_next_ok_buttonindex(int /*current*/, int /*extra*/);
588 extern int dlg_ok_buttoncode(int /*button*/);
589 extern int dlg_prev_button(const char ** /*labels*/, int /*button*/);
590 extern int dlg_prev_ok_buttonindex(int /*current*/, int /*extra*/);
591 extern int dlg_yes_buttoncode(int /*button*/);
592 extern void dlg_button_layout(const char ** /*labels*/, int * /*limit*/);
593 extern void dlg_button_sizes(const char ** /*labels*/, int /*vertical*/, int * /*longest*/, int * /*length*/);
594 extern void dlg_draw_buttons(WINDOW * /*win*/, int /*y*/, int /*x*/, const char ** /*labels*/, int /*selected*/, int /*vertical*/, int /*limit*/);
595 
596 /* columns.c */
597 extern void dlg_align_columns(char ** /* target */, int  /* per_row */, int /* num_rows */);
598 extern void dlg_free_columns(char ** /* target */, int  /* per_row */, int /* num_rows */);
599 
600 /* editbox.c */
601 extern int dlg_editbox(const char * /*title*/, char *** /*list*/, int * /*rows*/, int /*height*/, int /*width*/);
602 
603 /* formbox.c */
604 extern int dlg_default_formitem(DIALOG_FORMITEM * /*items*/);
605 extern int dlg_ordinate(const char * /*s*/);
606 extern void dlg_free_formitems(DIALOG_FORMITEM * /*items*/);
607 
608 /* guage.c */
609 extern void * dlg_allocate_gauge(const char * /* title */, const char * /* cprompt */, int /* height */, int /* width */, int /* percent */);
610 extern void * dlg_reallocate_gauge(void * /* objptr */, const char * /* title */, const char * /* cprompt */, int /* height */, int /* width */, int /* percent */);
611 extern void dlg_free_gauge(void * /* objptr */);
612 extern void dlg_update_gauge(void * /* objptr */, int /* percent */);
613 
614 /* inputstr.c */
615 extern bool dlg_edit_string(char * /*string*/, int * /*offset*/, int /*key*/, int /*fkey*/, bool /*force*/);
616 extern const int * dlg_index_columns(const char * /*string*/);
617 extern const int * dlg_index_wchars(const char * /*string*/);
618 extern int dlg_count_columns(const char * /*string*/);
619 extern int dlg_count_wchars(const char * /*string*/);
620 extern int dlg_edit_offset(char * /*string*/, int /*offset*/, int /*x_last*/);
621 extern int dlg_find_index(const int * /*list*/, int  /*limit*/, int /*to_find*/);
622 extern int dlg_limit_columns(const char * /*string*/, int /*limit*/, int /*offset*/);
623 extern void dlg_finish_string(const char * /* string */);
624 extern 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*/);
625 
626 /* menubox.c */
627 extern int dlg_dummy_menutext(DIALOG_LISTITEM * /*items*/, int /*current*/, char * /*newtext*/);
628 extern int dlg_renamed_menutext(DIALOG_LISTITEM * /*items*/, int /*current*/, char * /*newtext*/);
629 
630 /* prgbox.c */
631 extern FILE * dlg_popen(const char * /*command */, const char * /*type */);
632 
633 /* rc.c */
634 #ifdef HAVE_RC_FILE
635 extern int dlg_parse_rc(void);
636 extern void dlg_create_rc(const char * /*filename*/);
637 #endif
638 
639 /* treeview.c */
640 extern 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*/);
641 
642 /* ttysize.c */
643 extern int dlg_ttysize(int /* fd */, int * /* height */, int * /* width */);
644 
645 /* ui_getc.c */
646 extern int dlg_getc(WINDOW * /*win*/, int * /*fkey*/);
647 extern int dlg_getc_callbacks(int /*ch*/, int /*fkey*/, int * /*result*/);
648 extern int dlg_last_getc(void);
649 extern void dlg_add_last_key(int /*mode*/);
650 extern void dlg_add_callback(DIALOG_CALLBACK * /*p*/);
651 extern void dlg_add_callback_ref(DIALOG_CALLBACK ** /*p*/, DIALOG_FREEBACK /* cleanup */);
652 extern void dlg_flush_getc(void);
653 extern void dlg_remove_callback(DIALOG_CALLBACK * /*p*/);
654 extern void dlg_killall_bg(int *retval);
655 
656 /* util.c */
657 extern DIALOG_WINDOWS * _dlg_find_window(WINDOW * /* win */);
658 extern WINDOW * dlg_der_window(WINDOW * /*win*/, int /*height*/, int /*width*/, int /*y*/, int /*x*/);
659 extern WINDOW * dlg_new_modal_window(WINDOW * /*parent*/, int /*height*/, int /*width*/, int /*y*/, int /*x*/);
660 extern WINDOW * dlg_new_window(int /*height*/, int /*width*/, int /*y*/, int /*x*/);
661 extern WINDOW * dlg_sub_window(WINDOW * /*win*/, int /*height*/, int /*width*/, int /*y*/, int /*x*/);
662 extern bool dlg_need_separator(void);
663 extern char * dlg_getenv_str(const char * /*name*/);
664 extern char * dlg_set_result(const char * /*string*/);
665 extern char * dlg_strclone(const char * /*cprompt*/);
666 extern char * dlg_strempty(void);
667 extern chtype dlg_asciibox(chtype /*ch*/);
668 extern chtype dlg_boxchar(chtype /*ch*/);
669 extern chtype dlg_get_attrs(WINDOW * /*win*/);
670 extern const char * dlg_exitcode2s(int /*code*/);
671 extern const char * dlg_print_line(WINDOW * /*win*/, chtype * /*attr*/, const char * /*prompt*/, int /*lm*/, int /*rm*/, int * /*x*/);
672 extern int dlg_box_x_ordinate(int /*width*/);
673 extern int dlg_box_y_ordinate(int /*height*/);
674 extern int dlg_calc_list_width(int /*item_no*/, DIALOG_LISTITEM * /*items*/);
675 extern int dlg_calc_listw(int /*item_no*/, char ** /*items*/, int /*group*/);
676 extern int dlg_check_scrolled(int /* key */, int /* last */, int /* page */, bool * /* show */, int * /* offset */);
677 extern int dlg_count_real_columns(const char * /*text*/);
678 extern int dlg_default_item(char ** /*items*/, int /*llen*/);
679 extern int dlg_default_listitem(DIALOG_LISTITEM * /*items*/);
680 extern int dlg_defaultno_button(void);
681 extern int dlg_default_button(void);
682 extern int dlg_exitname2n(const char * /*name*/);
683 extern int dlg_getenv_num(const char * /*name*/, int * /* value */);
684 extern int dlg_max_input(int /*max_len*/);
685 extern int dlg_print_scrolled(WINDOW * /* win */, const char * /* prompt */, int /* offset */, int /* height */, int /* width */, int /* pauseopt */);
686 extern int dlg_set_timeout(WINDOW * /* win */, bool /* will_getc */);
687 extern void dlg_add_help_formitem(int * /* result */, char ** /* tag */, DIALOG_FORMITEM * /* item */);
688 extern void dlg_add_help_listitem(int * /* result */, char ** /* tag */, DIALOG_LISTITEM * /* item */);
689 extern void dlg_add_quoted(char * /*string*/);
690 extern void dlg_add_result(const char * /*string*/);
691 extern void dlg_add_separator(void);
692 extern void dlg_add_string(char * /*string*/);
693 extern void dlg_attr_clear(WINDOW * /*win*/, int /*height*/, int /*width*/, chtype /*attr*/);
694 extern void dlg_auto_size(const char * /*title*/, const char * /*prompt*/, int * /*height*/, int * /*width*/, int /*boxlines*/, int /*mincols*/);
695 extern void dlg_auto_sizefile(const char * /*title*/, const char * /*file*/, int * /*height*/, int * /*width*/, int /*boxlines*/, int /*mincols*/);
696 extern void dlg_beeping(void);
697 extern void dlg_calc_listh(int * /*height*/, int * /*list_height*/, int /*item_no*/);
698 extern void dlg_clear(void);
699 extern void dlg_clr_result(void);
700 extern void dlg_ctl_size(int /*height*/, int /*width*/);
701 extern void dlg_del_window(WINDOW * /*win*/);
702 extern void dlg_does_output(void);
703 extern void dlg_draw_bottom_box(WINDOW * /*win*/);
704 extern void dlg_draw_bottom_box2(WINDOW * /*win*/, chtype /*on_left*/, chtype /*on_right*/, chtype /*on_inside*/);
705 extern void dlg_draw_box(WINDOW * /*win*/, int /*y*/, int /*x*/, int /*height*/, int /*width*/, chtype /*boxchar*/, chtype /*borderchar*/);
706 extern void dlg_draw_box2(WINDOW * /*win*/, int /*y*/, int /*x*/, int /*height*/, int /*width*/, chtype /*boxchar*/, chtype /*borderchar*/, chtype /*borderchar2*/);
707 extern void dlg_draw_title(WINDOW *win, const char *title);
708 extern GCC_NORETURN void dlg_exit(int /*code*/);
709 extern void dlg_item_help(const char * /*txt*/);
710 extern void dlg_keep_tite(FILE * /*output */);
711 extern void dlg_print_autowrap(WINDOW * /*win*/, const char * /*prompt*/, int /*height*/, int /*width*/);
712 extern void dlg_print_listitem(WINDOW * /*win*/, const char * /*text*/, int /*climit*/, bool /*first*/, int /*selected*/);
713 extern void dlg_print_size(int /*height*/, int /*width*/);
714 extern void dlg_print_text(WINDOW * /*win*/, const char * /*txt*/, int /*len*/, chtype * /*attr*/);
715 extern void dlg_put_backtitle(void);
716 extern void dlg_reset_timeout(WINDOW * /* win */);
717 extern void dlg_restore_vars(DIALOG_VARS * /* save */);
718 extern void dlg_save_vars(DIALOG_VARS * /* save */);
719 extern void dlg_set_focus(WINDOW * /*parent*/, WINDOW * /*win*/);
720 extern void dlg_tab_correct_str(char * /*prompt*/);
721 extern void dlg_trim_string(char * /*src*/);
722 extern void end_dialog(void);
723 extern void init_dialog(FILE * /*input*/, FILE * /*output*/);
724 
725 extern GCC_NORETURN void dlg_exiterr(const char *, ...) GCC_PRINTFLIKE(1,2);
726 
727 #ifdef HAVE_COLOR
728 extern chtype dlg_color_pair(int /*foreground*/, int /*background*/);
729 extern int dlg_color_count(void);
730 extern void dlg_color_setup(void);
731 extern void dlg_draw_shadow(WINDOW * /*win*/, int /*height*/, int /*width*/, int /*y*/, int /*x*/);
732 #endif
733 
734 #ifdef HAVE_STRCASECMP
735 #define dlg_strcmp(a,b) strcasecmp(a,b)
736 #else
737 extern int dlg_strcmp(const char * /*a*/, const char * /*b*/);
738 #endif
739 
740 #ifdef HAVE_DLG_TRACE
741 #define DLG_TRACE(params) dlg_trace_msg params
742 extern void dlg_trace_msg(const char *fmt, ...) GCC_PRINTFLIKE(1,2);
743 extern void dlg_trace_va_msg(const char *fmt, va_list ap);
744 #define DLG_TRACE2S(name,value) dlg_trace_2s (name,value)
745 #define DLG_TRACE2N(name,value) dlg_trace_2n (name,value)
746 extern void dlg_trace_2s(const char * /*name*/, const char * /*value*/);
747 extern void dlg_trace_2n(const char * /*name*/, int /*value*/);
748 extern void dlg_trace_win(WINDOW * /*win*/);
749 extern void dlg_trace_chr(int /*ch*/, int /*fkey*/);
750 extern void dlg_trace(const char * /*fname*/);
751 #else
752 #define DLG_TRACE(params) /* nothing */
753 #define DLG_TRACE2S(name,value) /* nothing */
754 #define DLG_TRACE2N(name,value) /* nothing */
755 #define dlg_trace_va_msg(fmt, ap) /* nothing */
756 #define dlg_trace_win(win) /* nothing */
757 #define dlg_trace_chr(ch,fkey) /* nothing */
758 #define dlg_trace(fname) /* nothing */
759 #endif
760 
761 #ifdef KEY_RESIZE
762 extern void _dlg_resize_cleanup(WINDOW * /*win*/);
763 extern void dlg_move_window(WINDOW * /*win*/, int /*height*/, int /*width*/, int /*y*/, int /*x*/);
764 extern void dlg_will_resize(WINDOW * /*win*/);
765 #endif
766 
767 /*
768  * Normally "enter" means "ok".  Use this macro to handle the explicit
769  * check for DLGK_ENTER:
770  */
771 #define dlg_enter_buttoncode(code) (dialog_vars.nook ? DLG_EXIT_OK : dlg_ok_buttoncode(code))
772 
773 /*
774  * The following stuff is needed for mouse support
775  */
776 typedef struct mseRegion {
777     int x, y, X, Y, code;
778     int mode, step_x, step_y;
779     struct mseRegion *next;
780 } mseRegion;
781 
782 #if defined(NCURSES_MOUSE_VERSION)
783 
784 #define	mouse_open() mousemask(BUTTON1_PRESSED, (mmask_t *) 0)
785 #define	mouse_close() mousemask(0, (mmask_t *) 0)
786 
787 extern mseRegion * dlg_mouse_mkregion (int /*y*/, int /*x*/, int /*height*/, int /*width*/, int /*code*/);
788 extern void dlg_mouse_free_regions (void);
789 extern void dlg_mouse_mkbigregion (int /*y*/, int /*x*/, int /*height*/, int /*width*/, int /*code*/, int /*step_x*/, int /*step_y*/, int /*mode*/);
790 extern void dlg_mouse_setbase (int /*x*/, int /*y*/);
791 extern void dlg_mouse_setcode (int /*code*/);
792 
793 #define USE_MOUSE 1
794 
795 #else
796 
797 #define	mouse_open() /*nothing*/
798 #define	mouse_close() /*nothing*/
799 #define dlg_mouse_free_regions() /* nothing */
800 #define	dlg_mouse_mkregion(y, x, height, width, code) /*nothing*/
801 #define	dlg_mouse_mkbigregion(y, x, height, width, code, step_x, step_y, mode) /*nothing*/
802 #define	dlg_mouse_setbase(x, y) /*nothing*/
803 #define	dlg_mouse_setcode(c) /*nothing*/
804 
805 #define USE_MOUSE 0
806 
807 #endif
808 
809 extern mseRegion *dlg_mouse_region (int /*y*/, int /*x*/);
810 extern mseRegion *dlg_mouse_bigregion (int /*y*/, int /*x*/);
811 extern int dlg_mouse_wgetch (WINDOW * /*win*/, int * /*fkey*/);
812 extern int dlg_mouse_wgetch_nowait (WINDOW * /*win*/, int * /*fkey*/);
813 
814 #define mouse_mkbutton(y,x,len,code) dlg_mouse_mkregion(y,x,1,len,code);
815 
816 /*
817  * This is the base for fictitious keys, which activate
818  * the buttons.
819  *
820  * Mouse-generated keys are the following:
821  *   -- the first 32 are used as numbers, in addition to '0'-'9'
822  *   -- uppercase chars are used to invoke the button (M_EVENT + 'O')
823  */
824 #define M_EVENT (DLGK_max + 1)
825 
826 /*
827  * The `flag' parameter in checklist is used to select between
828  * radiolist and checklist
829  */
830 #define FLAG_CHECK 1
831 #define FLAG_RADIO 0
832 
833 #ifdef __cplusplus
834 }
835 #endif
836 /* *INDENT-ON* */
837 
838 #endif /* DIALOG_H_included */
839