dialog.h revision 217309
1/*
2 *  $Id: dialog.h,v 1.214 2010/04/28 21:11:49 tom Exp $
3 *
4 * dialog.h -- common declarations for all dialog modules
5 *
6 * Copyright 2000-2008,2010 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
30#include <dlg_config.h>
31
32#ifdef __hpux
33#define __HP_CURSES_COMPAT	/* workaround for getattrs, etc. */
34#endif
35
36#include <sys/types.h>
37#include <fcntl.h>
38#include <unistd.h>
39#include <ctype.h>
40#include <stdlib.h>
41#include <stdarg.h>
42#include <string.h>
43#include <signal.h>	/* fork() etc. */
44#include <math.h>	/* sqrt() */
45
46#if defined(HAVE_NCURSESW_NCURSES_H)
47#include <ncursesw/ncurses.h>
48#elif defined(HAVE_NCURSES_NCURSES_H)
49#include <ncurses/ncurses.h>
50#elif defined(HAVE_NCURSES_CURSES_H)
51#include <ncurses/curses.h>
52#elif defined(HAVE_NCURSES_H)
53#include <ncurses.h>
54#else
55#include <curses.h>
56#endif
57
58/* most curses.h headers include this, some do not */
59#if defined(HAVE_UNCTRL_H)
60#include <unctrl.h>
61#endif
62
63/* possible conflicts with <term.h> which may be included in <curses.h> */
64#ifdef color_names
65#undef color_names
66#endif
67
68#ifdef buttons
69#undef buttons
70#endif
71
72#ifdef ENABLE_NLS
73#include <libintl.h>
74#include <langinfo.h>
75#define _(s) dgettext(PACKAGE, s)
76#else
77#undef _
78#define _(s) s
79#endif
80
81#ifndef GCC_NORETURN
82#define GCC_NORETURN /*nothing*/
83#endif
84
85#ifndef GCC_UNUSED
86#define GCC_UNUSED /*nothing*/
87#endif
88
89#ifndef HAVE_WGET_WCH
90#undef USE_WIDE_CURSES
91#endif
92
93/*
94 * FIXME: a configure check would be useful
95 */
96#ifdef __hpux
97#undef ACS_UARROW
98#undef ACS_DARROW
99#undef ACS_BLOCK
100#endif
101
102/*
103 * Change these if you want
104 */
105#define USE_SHADOW TRUE
106#define USE_COLORS TRUE
107
108#ifdef HAVE_COLOR
109#define SCOLS	(COLS - (dialog_state.use_shadow ? 2 : 0))
110#define SLINES	(LINES - (dialog_state.use_shadow ? 1 : 0))
111#else
112#define SCOLS	COLS
113#define SLINES	LINES
114#endif
115
116#define DLG_EXIT_ESC		255
117#define DLG_EXIT_UNKNOWN	-2	/* never return this (internal use) */
118#define DLG_EXIT_ERROR		-1	/* the shell sees this as 255 */
119#define DLG_EXIT_OK		0
120#define DLG_EXIT_CANCEL		1
121#define DLG_EXIT_HELP		2
122#define DLG_EXIT_EXTRA		3
123#define DLG_EXIT_ITEM_HELP	4	/* actually DLG_EXIT_HELP */
124
125#define DLG_CTRL(n)	((n) & 0x1f)	/* CTRL is preferred, but conflicts */
126
127#define CHR_BACKSPACE	DLG_CTRL('H')
128#define CHR_REPAINT	DLG_CTRL('L')
129#define CHR_KILL	DLG_CTRL('U')
130#define CHR_LITERAL	DLG_CTRL('V')
131#define CHR_DELETE	127
132#define CHR_NEXT	DLG_CTRL('N')
133#define CHR_PREVIOUS	DLG_CTRL('P')
134#define CHR_TRACE	DLG_CTRL('T')
135
136#define ESC		27
137#define TAB		DLG_CTRL('I')
138
139#define MARGIN 1
140#define GUTTER 2
141#define SHADOW_ROWS 1
142#define SHADOW_COLS 2
143#define ARROWS_COL  5
144
145#define MAX_LEN 2048
146#define BUF_SIZE (10*1024)
147
148#undef  MIN
149#define MIN(x,y) ((x) < (y) ? (x) : (y))
150
151#undef  MAX
152#define MAX(x,y) ((x) > (y) ? (x) : (y))
153
154#define DEFAULT_SEPARATE_STR "\t"
155#define DEFAULT_ASPECT_RATIO 9
156/* how many spaces is a tab long (default)? */
157#define TAB_LEN 8
158#define WTIMEOUT_VAL        10
159
160#ifndef A_CHARTEXT
161#define A_CHARTEXT 0xff
162#endif
163
164#define CharOf(ch)  ((ch) & 0xff)
165
166#ifndef ACS_ULCORNER
167#define ACS_ULCORNER '+'
168#endif
169#ifndef ACS_LLCORNER
170#define ACS_LLCORNER '+'
171#endif
172#ifndef ACS_URCORNER
173#define ACS_URCORNER '+'
174#endif
175#ifndef ACS_LRCORNER
176#define ACS_LRCORNER '+'
177#endif
178#ifndef ACS_HLINE
179#define ACS_HLINE '-'
180#endif
181#ifndef ACS_VLINE
182#define ACS_VLINE '|'
183#endif
184#ifndef ACS_LTEE
185#define ACS_LTEE '+'
186#endif
187#ifndef ACS_RTEE
188#define ACS_RTEE '+'
189#endif
190#ifndef ACS_UARROW
191#define ACS_UARROW '^'
192#endif
193#ifndef ACS_DARROW
194#define ACS_DARROW 'v'
195#endif
196#ifndef ACS_BLOCK
197#define ACS_BLOCK '#'
198#endif
199
200/* these definitions may work for antique versions of curses */
201#ifndef HAVE_GETBEGYX
202#undef  getbegyx
203#define getbegyx(win,y,x)	(y = (win)?(win)->_begy:ERR, x = (win)?(win)->_begx:ERR)
204#endif
205
206#ifndef HAVE_GETMAXYX
207#undef  getmaxyx
208#define getmaxyx(win,y,x)	(y = (win)?(win)->_maxy:ERR, x = (win)?(win)->_maxx:ERR)
209#endif
210
211#ifndef HAVE_GETPARYX
212#undef  getparyx
213#define getparyx(win,y,x)	(y = (win)?(win)->_pary:ERR, x = (win)?(win)->_parx:ERR)
214#endif
215
216#ifdef __cplusplus
217extern "C" {
218#endif
219
220/* these definitions may be needed for bleeding-edge curses implementations */
221#if !(defined(HAVE_GETBEGX) && defined(HAVE_GETBEGY))
222#undef getbegx
223#undef getbegy
224#define getbegx(win) dlg_getbegx(win)
225#define getbegy(win) dlg_getbegy(win)
226extern int dlg_getbegx(WINDOW * /*win*/);
227extern int dlg_getbegy(WINDOW * /*win*/);
228#endif
229
230#if !(defined(HAVE_GETCURX) && defined(HAVE_GETCURY))
231#undef getcurx
232#undef getcury
233#define getcurx(win) dlg_getcurx(win)
234#define getcury(win) dlg_getcury(win)
235extern int dlg_getcurx(WINDOW * /*win*/);
236extern int dlg_getcury(WINDOW * /*win*/);
237#endif
238
239#if !(defined(HAVE_GETMAXX) && defined(HAVE_GETMAXY))
240#undef getmaxx
241#undef getmaxy
242#define getmaxx(win) dlg_getmaxx(win)
243#define getmaxy(win) dlg_getmaxy(win)
244extern int dlg_getmaxx(WINDOW * /*win*/);
245extern int dlg_getmaxy(WINDOW * /*win*/);
246#endif
247
248#if !(defined(HAVE_GETPARX) && defined(HAVE_GETPARY))
249#undef getparx
250#undef getpary
251#define getparx(win) dlg_getparx(win)
252#define getpary(win) dlg_getpary(win)
253extern int dlg_getparx(WINDOW * /*win*/);
254extern int dlg_getpary(WINDOW * /*win*/);
255#endif
256
257/*
258 * This is a list of "old" names, which should be helpful in updating
259 * applications that use libdialog.  Starting with 2003/11/26, all exported
260 * symbols from libdialog have "dlg_" prefix, or "dialog_" prefix or "_dialog"
261 * suffix (or suffix "_dialog", e.g., init_dialog).
262 */
263#ifdef __DIALOG_OLD_NAMES__
264#define color_table                       dlg_color_table
265#define attr_clear(win,h,w,a)             dlg_attr_clear(win,h,w,a)
266#define auto_size(t,s,h,w,xl,mc)          dlg_auto_size(t,s,h,w,xl,mc)
267#define auto_sizefile(t,f,h,w,xl,mc)      dlg_auto_sizefile(t,f,h,w,xl,mc)
268#define beeping()                         dlg_beeping()
269#define box_x_ordinate(w)                 dlg_box_x_ordinate(w)
270#define box_y_ordinate(h)                 dlg_box_y_ordinate(h)
271#define calc_listh(h,lh,in)               dlg_calc_listh(h,lh,in)
272#define calc_listw(in,items,group)        dlg_calc_listw(in,items,group)
273#define color_setup()                     dlg_color_setup()
274#define create_rc(f)                      dlg_create_rc(f)
275#define ctl_size(h,w)                     dlg_ctl_size(h,w)
276#define del_window(win)                   dlg_del_window(win)
277#define dialog_clear()                    dlg_clear()
278#define draw_bottom_box(win)              dlg_draw_bottom_box(win)
279#define draw_box(win,y,x,h,w,xc,bc)       dlg_draw_box(win,y,x,h,w,xc,bc)
280#define draw_shadow(win,h,w,y,x)          dlg_draw_shadow(win,h,w,y,x)
281#define draw_title(win,t)                 dlg_draw_title(win,t)
282#define exiterr                           dlg_exiterr
283#define killall_bg(n)                     dlg_killall_bg(n)
284#define mouse_bigregion(y,x)              dlg_mouse_bigregion(y,x)
285#define mouse_free_regions()              dlg_mouse_free_regions()
286#define mouse_mkbigregion(y,x,h,w,n,ix,iy,m) dlg_mouse_mkbigregion(y,x,h,w,n,ix,iy,m)
287#define mouse_mkregion(y,x,h,w,n)         dlg_mouse_mkregion(y,x,h,w,n)
288#define mouse_region(y,x)                 dlg_mouse_region(y,x)
289#define mouse_setbase(x,y)                dlg_mouse_setbase(x,y)
290#define mouse_wgetch(w,c)                 dlg_mouse_wgetch(w,c)
291#define new_window(h,w,y,x)               dlg_new_window(h,w,y,x)
292#define parse_rc()                        dlg_parse_rc()
293#define print_autowrap(win,s,h,w)         dlg_print_autowrap(win,s,h,w)
294#define print_size(h,w)                   dlg_print_size(h,w)
295#define put_backtitle()                   dlg_put_backtitle()
296#define strclone(cprompt)                 dlg_strclone(cprompt)
297#define sub_window(win,h,w,y,x)           dlg_sub_window(win,h,w,y,x)
298#define tab_correct_str(s)                dlg_tab_correct_str(s)
299#endif
300
301/*
302 * Attribute names
303 */
304#define DIALOG_ATR(n)                 dlg_color_table[n].atr
305
306#define screen_attr                   DIALOG_ATR(0)
307#define shadow_attr                   DIALOG_ATR(1)
308#define dialog_attr                   DIALOG_ATR(2)
309#define title_attr                    DIALOG_ATR(3)
310#define border_attr                   DIALOG_ATR(4)
311#define button_active_attr            DIALOG_ATR(5)
312#define button_inactive_attr          DIALOG_ATR(6)
313#define button_key_active_attr        DIALOG_ATR(7)
314#define button_key_inactive_attr      DIALOG_ATR(8)
315#define button_label_active_attr      DIALOG_ATR(9)
316#define button_label_inactive_attr    DIALOG_ATR(10)
317#define inputbox_attr                 DIALOG_ATR(11)
318#define inputbox_border_attr          DIALOG_ATR(12)
319#define searchbox_attr                DIALOG_ATR(13)
320#define searchbox_title_attr          DIALOG_ATR(14)
321#define searchbox_border_attr         DIALOG_ATR(15)
322#define position_indicator_attr       DIALOG_ATR(16)
323#define menubox_attr                  DIALOG_ATR(17)
324#define menubox_border_attr           DIALOG_ATR(18)
325#define item_attr                     DIALOG_ATR(19)
326#define item_selected_attr            DIALOG_ATR(20)
327#define tag_attr                      DIALOG_ATR(21)
328#define tag_selected_attr             DIALOG_ATR(22)
329#define tag_key_attr                  DIALOG_ATR(23)
330#define tag_key_selected_attr         DIALOG_ATR(24)
331#define check_attr                    DIALOG_ATR(25)
332#define check_selected_attr           DIALOG_ATR(26)
333#define uarrow_attr                   DIALOG_ATR(27)
334#define darrow_attr                   DIALOG_ATR(28)
335#define itemhelp_attr                 DIALOG_ATR(29)
336#define form_active_text_attr         DIALOG_ATR(30)
337#define form_text_attr                DIALOG_ATR(31)
338#define form_item_readonly_attr       DIALOG_ATR(32)
339
340#define DLGK_max (KEY_MAX + 256)
341
342/*
343 * Callbacks are used to implement the "background" tailbox.
344 */
345struct _dlg_callback;
346
347typedef void (*DIALOG_FREEBACK) (struct _dlg_callback * /* p */);
348
349typedef struct _dlg_callback {
350    struct _dlg_callback *next;
351    FILE *input;
352    WINDOW *win;
353    bool keep_bg;	/* keep in background, on exit */
354    bool bg_task;	/* true if this is background task */
355    bool (*handle_getc)(struct _dlg_callback *p, int ch, int fkey, int *result);
356    bool keep_win;	/* true to not erase window on exit */
357    /* data for dlg_add_callback_ref */
358    struct _dlg_callback **caller;
359    DIALOG_FREEBACK freeback;
360} DIALOG_CALLBACK;
361
362typedef struct _dlg_windows {
363    struct _dlg_windows *next;
364    WINDOW *normal;
365    WINDOW *shadow;
366} DIALOG_WINDOWS;
367
368/*
369 * Global variables, which are initialized as needed
370 */
371typedef struct {
372    DIALOG_CALLBACK *getc_callbacks;
373    DIALOG_CALLBACK *getc_redirect;
374    DIALOG_WINDOWS *all_windows;
375    FILE *output;		/* option "--output-fd fd" */
376    FILE *pipe_input;		/* used for gauge widget */
377    FILE *screen_output;	/* newterm(), etc. */
378    bool screen_initialized;
379    bool use_colors;		/* use colors by default? */
380    bool use_scrollbar;		/* option "--scrollbar" */
381    bool use_shadow;		/* shadow dialog boxes by default? */
382    bool visit_items;		/* option "--visit-items" */
383    char *separate_str;		/* option "--separate-widget string" */
384    int aspect_ratio;		/* option "--aspect ratio" */
385    int output_count;		/* # of widgets that may have done output */
386    int tab_len;		/* option "--tab-len n" */
387    /* 1.0-20070227 */
388    FILE *input;		/* option "--input-fd fd" */
389#ifdef HAVE_DLG_TRACE
390    FILE *trace_output;		/* option "--trace file" */
391#endif
392} DIALOG_STATE;
393
394extern DIALOG_STATE dialog_state;
395
396/*
397 * Global variables, which dialog resets before each widget
398 */
399typedef struct {
400    bool beep_after_signal;	/* option "--beep-after" */
401    bool beep_signal;		/* option "--beep" */
402    bool begin_set;		/* option "--begin y x" was used */
403    bool cant_kill;		/* option "--no-kill" */
404    bool colors;		/* option "--colors" */
405    bool cr_wrap;		/* option "--cr-wrap" */
406    bool defaultno;		/* option "--defaultno" */
407    bool dlg_clear_screen;	/* option "--clear" */
408    bool extra_button;		/* option "--extra-button" */
409    bool help_button;		/* option "--help-button" */
410    bool help_status;		/* option "--help-status" */
411    bool input_menu;		/* menu vs inputmenu widget */
412    bool insecure;		/* option "--insecure" */
413    bool item_help;		/* option "--item-help" */
414    bool keep_window;		/* option "--keep-window" */
415    bool nocancel;		/* option "--no-cancel" */
416    bool nocollapse;		/* option "--no-collapse" */
417    bool print_siz;		/* option "--print-size" */
418    bool separate_output;	/* option "--separate-output" */
419    bool single_quoted;		/* option "--single-quoted" */
420    bool size_err;		/* option "--size-err" */
421    bool tab_correct;		/* option "--tab-correct" */
422    bool trim_whitespace;	/* option "--trim" */
423    char *backtitle;		/* option "--backtitle backtitle" */
424    char *cancel_label;		/* option "--cancel-label string" */
425    char *default_item;		/* option "--default-item string" */
426    char *exit_label;		/* option "--exit-label string" */
427    char *extra_label;		/* option "--extra-label string" */
428    char *help_label;		/* option "--help-label string" */
429    char *input_result;
430    char *no_label;		/* option "--no-label string" */
431    char *ok_label;		/* option "--ok-label string" */
432    char *title;		/* option "--title title" */
433    char *yes_label;		/* option "--yes-label string" */
434    int begin_x;		/* option "--begin y x" (second value) */
435    int begin_y;		/* option "--begin y x" (first value) */
436    int max_input;		/* option "--max-input size" */
437    int scale_factor;		/* RESERVED */
438    int sleep_secs;		/* option "--sleep secs" */
439    int timeout_secs;		/* option "--timeout secs" */
440    unsigned input_length;	/* nonzero if input_result is allocated */
441    /* 1.0-20051207 */
442    unsigned formitem_type;	/* DIALOG_FORMITEM.type in dialog_form() */
443    /* 1.1-20070227 */
444    bool keep_tite;		/* option "--keep-tite" */
445    bool ascii_lines;		/* option "--ascii-lines" */
446    bool no_lines;		/* option "--no-lines" */
447    /* 1.1-20070930 */
448    bool nook;			/* option "--no-ok" */
449    /* 1.1-20080727 */
450    bool quoted;		/* option "--quoted" */
451    char *column_header;	/* RESERVED "--column-header" */
452    char *column_separator;	/* option "--column-separator" */
453    char *output_separator;	/* option "--output-separator" */
454    /* 1.1-20100118 */
455    char *date_format;		/* option "--date-format" */
456    char *time_format;		/* option "--time-format" */
457} DIALOG_VARS;
458
459#define USE_ITEM_HELP(s)        (dialog_vars.item_help && (s) != 0)
460#define CHECKBOX_TAGS           (dialog_vars.item_help ? 4 : 3)
461#define MENUBOX_TAGS            (dialog_vars.item_help ? 3 : 2)
462#define FORMBOX_TAGS            (dialog_vars.item_help ? 9 : 8)
463#define MIXEDFORM_TAGS          (FORMBOX_TAGS + 1)
464#define MIXEDGAUGE_TAGS         2
465
466extern DIALOG_VARS dialog_vars;
467
468#ifndef HAVE_TYPE_CHTYPE
469#define chtype long
470#endif
471
472#define UCH(ch)			((unsigned char)(ch))
473
474#define assert_ptr(ptr,msg) if ((ptr) == 0) dlg_exiterr("cannot allocate memory in " msg)
475
476#define dlg_malloc(t,n)    (t *) malloc((n) * sizeof(t))
477#define dlg_calloc(t,n)    (t *) calloc((n), sizeof(t))
478#define dlg_realloc(t,n,p) (t *) realloc((p), (n) * sizeof(t))
479
480/*
481 * Table for attribute- and color-values.
482 */
483typedef struct {
484    chtype atr;
485#ifdef HAVE_COLOR
486    int fg;
487    int bg;
488    int hilite;
489#endif
490#ifdef HAVE_RC_FILE
491    const char *name;
492    const char *comment;
493#endif
494} DIALOG_COLORS;
495
496extern DIALOG_COLORS dlg_color_table[];
497
498/*
499 * Function prototypes
500 */
501extern const char *dialog_version(void);
502
503/* widgets, each in separate files */
504extern int dialog_calendar(const char * /*title*/, const char * /*subtitle*/, int /*height*/, int /*width*/, int /*day*/, int /*month*/, int /*year*/);
505extern int dialog_checklist(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*list_height*/, int /*item_no*/, char ** /*items*/, int /*flag*/);
506extern int dialog_dselect(const char * /*title*/, const char * /*path*/, int /*height*/, int /*width*/);
507extern int dialog_editbox(const char * /*title*/, const char * /*file*/, int /*height*/, int /*width*/);
508extern int dialog_form(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*form_height*/, int /*item_no*/, char ** /*items*/);
509extern int dialog_fselect(const char * /*title*/, const char * /*path*/, int /*height*/, int /*width*/);
510extern int dialog_gauge(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*percent*/);
511extern int dialog_inputbox(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, const char * /*init*/, const int /*password*/);
512extern int dialog_menu(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*menu_height*/, int /*item_no*/, char ** /*items*/);
513extern int dialog_mixedform(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*form_height*/, int /*item_no*/, char ** /*items*/);
514extern int dialog_mixedgauge(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*percent*/, int /*item_no*/, char ** /*items*/);
515extern int dialog_msgbox(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*pauseopt*/);
516extern int dialog_pause(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/, int /*seconds*/);
517extern int dialog_progressbox(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/);
518extern int dialog_tailbox(const char * /*title*/, const char * /*file*/, int /*height*/, int /*width*/, int /*bg_task*/);
519extern int dialog_textbox(const char * /*title*/, const char * /*file*/, int /*height*/, int /*width*/);
520extern int dialog_timebox(const char * /*title*/, const char * /*subtitle*/, int /*height*/, int /*width*/, int /*hour*/, int /*minute*/, int /*second*/);
521extern int dialog_yesno(const char * /*title*/, const char * /*cprompt*/, int /*height*/, int /*width*/);
522
523/* some widgets have alternate entrypoints, to allow list manipulation */
524typedef struct {
525    char *name;
526    char *text;
527    char *help;
528    int state;
529} DIALOG_LISTITEM;
530
531typedef struct {
532    unsigned type;		/* the field type (0=input, 1=password) */
533    char *name;			/* the field label */
534    int name_len;		/* ...its length */
535    int name_y;			/* ...its y-ordinate */
536    int name_x;			/* ...its x-ordinate */
537    bool name_free;		/* ...true if .name can be freed */
538    char *text;			/* the field contents */
539    int text_len;		/* ...its length on the screen */
540    int text_y;			/* ...its y-ordinate */
541    int text_x;			/* ...its x-ordinate */
542    int text_flen;		/* ...its length on screen, or 0 if no input allowed */
543    int text_ilen;		/* ...its limit on amount to be entered */
544    bool text_free;		/* ...true if .text can be freed */
545    char *help;			/* help-message, if any */
546    bool help_free;		/* ...true if .help can be freed */
547} DIALOG_FORMITEM;
548
549typedef	int (DIALOG_INPUTMENU) (DIALOG_LISTITEM * /*items*/, int /*current*/, char * /*newtext*/);
550
551extern 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*/);
552extern 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*/);
553extern 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*/);
554
555/* arrows.c */
556extern void dlg_draw_arrows(WINDOW * /*dialog*/, int /*top_arrow*/, int /*bottom_arrow*/, int /*x*/, int /*top*/, int /*bottom*/);
557extern void dlg_draw_arrows2(WINDOW * /*dialog*/, int /*top_arrow*/, int /*bottom_arrow*/, int /*x*/, int /*top*/, int /*bottom*/, chtype /*attr*/, chtype /*borderattr*/);
558extern 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*/);
559
560/* buttons.c */
561extern const char ** dlg_exit_label(void);
562extern const char ** dlg_ok_label(void);
563extern const char ** dlg_ok_labels(void);
564extern const char ** dlg_yes_labels(void);
565extern int dlg_button_count(const char ** /*labels*/);
566extern int dlg_button_to_char(const char * /*label*/);
567extern int dlg_button_x_step(const char ** /*labels*/, int /*limit*/, int * /*gap*/, int * /*margin*/, int * /*step*/);
568extern int dlg_char_to_button(int /*ch*/, const char ** /*labels*/);
569extern int dlg_exit_buttoncode(int /*button*/);
570extern int dlg_match_char(int /*ch*/, const char * /*string*/);
571extern int dlg_next_button(const char ** /*labels*/, int /*button*/);
572extern int dlg_next_ok_buttonindex(int /*current*/, int /*extra*/);
573extern int dlg_ok_buttoncode(int /*button*/);
574extern int dlg_prev_button(const char ** /*labels*/, int /*button*/);
575extern int dlg_prev_ok_buttonindex(int /*current*/, int /*extra*/);
576extern int dlg_yes_buttoncode(int /*button*/);
577extern void dlg_button_layout(const char ** /*labels*/, int * /*limit*/);
578extern void dlg_button_sizes(const char ** /*labels*/, int /*vertical*/, int * /*longest*/, int * /*length*/);
579extern void dlg_draw_buttons(WINDOW * /*win*/, int /*y*/, int /*x*/, const char ** /*labels*/, int /*selected*/, int /*vertical*/, int /*limit*/);
580
581/* columns.c */
582extern void dlg_align_columns(char ** /* target */, int  /* per_row */, int /* num_rows */);
583extern void dlg_free_columns(char ** /* target */, int  /* per_row */, int /* num_rows */);
584
585/* editbox.c */
586extern int dlg_editbox(const char */*title*/, char ***/*list*/, int */*rows*/, int /*height*/, int /*width*/);
587
588/* formbox.c */
589extern int dlg_default_formitem(DIALOG_FORMITEM * /*items*/);
590extern int dlg_ordinate(const char * /*s*/);
591extern void dlg_free_formitems(DIALOG_FORMITEM * /*items*/);
592
593/* inputstr.c */
594extern bool dlg_edit_string(char * /*string*/, int * /*offset*/, int /*key*/, int /*fkey*/, bool /*force*/);
595extern const int * dlg_index_columns(const char * /*string*/);
596extern const int * dlg_index_wchars(const char * /*string*/);
597extern int dlg_count_columns(const char * /*string*/);
598extern int dlg_count_wchars(const char * /*string*/);
599extern int dlg_edit_offset(char * /*string*/, int /*offset*/, int /*x_last*/);
600extern int dlg_find_index(const int * /*list*/, int  /*limit*/, int /*to_find*/);
601extern int dlg_limit_columns(const char * /*string*/, int /*limit*/, int /*offset*/);
602extern 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*/);
603
604/* rc.c */
605#ifdef HAVE_RC_FILE
606extern int dlg_parse_rc(void);
607extern void dlg_create_rc(const char * /*filename*/);
608#endif
609
610/* ui_getc.c */
611extern int dlg_getc(WINDOW * /*win*/, int * /*fkey*/);
612extern int dlg_getc_callbacks(int /*ch*/, int /*fkey*/, int * /*result*/);
613extern int dlg_last_getc(void);
614extern void dlg_add_callback(DIALOG_CALLBACK * /*p*/);
615extern void dlg_add_callback_ref(DIALOG_CALLBACK ** /*p*/, DIALOG_FREEBACK /* cleanup */);
616extern void dlg_flush_getc(void);
617extern void dlg_remove_callback(DIALOG_CALLBACK * /*p*/);
618extern void dlg_killall_bg(int *retval);
619
620/* util.c */
621extern WINDOW * dlg_new_modal_window(WINDOW * /*parent*/, int /*height*/, int /*width*/, int /*y*/, int /*x*/);
622extern WINDOW * dlg_new_window(int /*height*/, int /*width*/, int /*y*/, int /*x*/);
623extern WINDOW * dlg_sub_window(WINDOW * /*win*/, int /*height*/, int /*width*/, int /*y*/, int /*x*/);
624extern bool dlg_need_separator(void);
625extern char * dlg_set_result(const char * /*string*/);
626extern char * dlg_strclone(const char * /*cprompt*/);
627extern char * dlg_strempty(void);
628extern chtype dlg_asciibox(chtype /*ch*/);
629extern chtype dlg_boxchar(chtype /*ch*/);
630extern const char * dlg_print_line(WINDOW */*win*/, chtype */*attr*/, const char */*prompt*/, int /*lm*/, int /*rm*/, int */*x*/);
631extern int dlg_box_x_ordinate(int /*width*/);
632extern int dlg_box_y_ordinate(int /*height*/);
633extern int dlg_calc_list_width(int /*item_no*/, DIALOG_LISTITEM * /*items*/);
634extern int dlg_calc_listw(int /*item_no*/, char ** /*items*/, int /*group*/);
635extern int dlg_check_scrolled(int /* key */, int /* last */, int /* page */, bool */* show */, int */* offset */);
636extern int dlg_default_item(char ** /*items*/, int /*llen*/);
637extern int dlg_default_listitem(DIALOG_LISTITEM * /*items*/);
638extern int dlg_defaultno_button(void);
639extern int dlg_max_input(int /*max_len*/);
640extern int dlg_print_scrolled(WINDOW * /* win */, const char * /* prompt */, int /* offset */, int /* height */, int /* width */, int /* pauseopt */);
641extern void dlg_add_quoted(char * /*string*/);
642extern void dlg_add_result(const char * /*string*/);
643extern void dlg_add_separator(void);
644extern void dlg_add_string(char * /*string*/);
645extern void dlg_attr_clear(WINDOW * /*win*/, int /*height*/, int /*width*/, chtype /*attr*/);
646extern void dlg_auto_size(const char * /*title*/, const char * /*prompt*/, int * /*height*/, int * /*width*/, int /*boxlines*/, int /*mincols*/);
647extern void dlg_auto_sizefile(const char * /*title*/, const char * /*file*/, int * /*height*/, int * /*width*/, int /*boxlines*/, int /*mincols*/);
648extern void dlg_beeping(void);
649extern void dlg_calc_listh(int * /*height*/, int * /*list_height*/, int /*item_no*/);
650extern void dlg_clear(void);
651extern void dlg_clr_result(void);
652extern void dlg_ctl_size(int /*height*/, int /*width*/);
653extern void dlg_del_window(WINDOW * /*win*/);
654extern void dlg_does_output(void);
655extern void dlg_draw_bottom_box(WINDOW * /*win*/);
656extern void dlg_draw_box(WINDOW * /*win*/, int /*y*/, int /*x*/, int /*height*/, int /*width*/, chtype /*boxchar*/, chtype /*borderchar*/);
657extern void dlg_draw_title(WINDOW *win, const char *title);
658extern void dlg_exit(int /*code*/) GCC_NORETURN;
659extern void dlg_item_help(const char * /*txt*/);
660extern void dlg_print_autowrap(WINDOW * /*win*/, const char * /*prompt*/, int /*height*/, int /*width*/);
661extern void dlg_print_size(int /*height*/, int /*width*/);
662extern void dlg_print_text(WINDOW * /*win*/, const char * /*txt*/, int /*len*/, chtype * /*attr*/);
663extern void dlg_put_backtitle(void);
664extern void dlg_restore_vars(DIALOG_VARS * /* save */);
665extern void dlg_save_vars(DIALOG_VARS * /* save */);
666extern void dlg_set_focus(WINDOW * /*parent*/, WINDOW * /*win*/);
667extern void dlg_tab_correct_str(char * /*prompt*/);
668extern void dlg_trim_string(char * /*src*/);
669extern void end_dialog(void);
670extern void init_dialog(FILE * /*input*/, FILE * /*output*/);
671
672extern void dlg_exiterr(const char *, ...) GCC_NORETURN
673#if defined(__GNUC__) && !defined(printf)
674__attribute__((format(printf,1,2)))
675#endif
676;
677
678#ifdef HAVE_COLOR
679extern chtype dlg_color_pair(int /*foreground*/, int /*background*/);
680extern int dlg_color_count(void);
681extern void dlg_color_setup(void);
682extern void dlg_draw_shadow(WINDOW * /*win*/, int /*height*/, int /*width*/, int /*y*/, int /*x*/);
683#endif
684
685#ifdef HAVE_STRCASECMP
686#define dlg_strcmp(a,b) strcasecmp(a,b)
687#else
688extern int dlg_strcmp(const char * /*a*/, const char * /*b*/);
689#endif
690
691#ifdef HAVE_DLG_TRACE
692#define DLG_TRACE(params) dlg_trace_msg params
693extern void dlg_trace_msg(const char *fmt, ...)
694#ifdef GCC_PRINTF
695    __attribute__((format(printf,1,2)))
696#endif
697;
698extern void dlg_trace_win(WINDOW * /*win*/);
699extern void dlg_trace_chr(int /*ch*/, int /*fkey*/);
700extern void dlg_trace(const char * /*fname*/);
701#else
702#define DLG_TRACE(params) /* nothing */
703#define dlg_trace_win(win) /* nothing */
704#define dlg_trace_chr(ch,fkey) /* nothing */
705#define dlg_trace(fname) /* nothing */
706#endif
707
708#ifdef KEY_RESIZE
709extern void dlg_move_window(WINDOW * /*win*/, int /*height*/, int /*width*/, int /*y*/, int /*x*/);
710#endif
711
712/*
713 * The following stuff is needed for mouse support
714 */
715typedef struct mseRegion {
716    int x, y, X, Y, code;
717    int mode, step_x, step_y;
718    struct mseRegion *next;
719} mseRegion;
720
721#if defined(NCURSES_MOUSE_VERSION)
722
723#define	mouse_open() mousemask(BUTTON1_CLICKED, (mmask_t *) 0)
724#define	mouse_close() mousemask(0, (mmask_t *) 0)
725
726extern mseRegion * dlg_mouse_mkregion (int /*y*/, int /*x*/, int /*height*/, int /*width*/, int /*code*/);
727extern void dlg_mouse_free_regions (void);
728extern void dlg_mouse_mkbigregion (int /*y*/, int /*x*/, int /*height*/, int /*width*/, int /*code*/, int /*step_x*/, int /*step_y*/, int /*mode*/);
729extern void dlg_mouse_setbase (int /*x*/, int /*y*/);
730
731#define USE_MOUSE 1
732
733#else
734
735#define	mouse_open() /*nothing*/
736#define	mouse_close() /*nothing*/
737#define dlg_mouse_free_regions() /* nothing */
738#define	dlg_mouse_mkregion(y, x, height, width, code) /*nothing*/
739#define	dlg_mouse_mkbigregion(y, x, height, width, code, step_x, step_y, mode) /*nothing*/
740#define	dlg_mouse_setbase(x, y) /*nothing*/
741
742#define USE_MOUSE 0
743
744#endif
745
746extern mseRegion *dlg_mouse_region (int /*y*/, int /*x*/);
747extern mseRegion *dlg_mouse_bigregion (int /*y*/, int /*x*/);
748extern int dlg_mouse_wgetch (WINDOW * /*win*/, int * /*fkey*/);
749extern int dlg_mouse_wgetch_nowait (WINDOW * /*win*/, int * /*fkey*/);
750
751#define mouse_mkbutton(y,x,len,code) dlg_mouse_mkregion(y,x,1,len,code);
752
753/*
754 * This is the base for fictitious keys, which activate
755 * the buttons.
756 *
757 * Mouse-generated keys are the following:
758 *   -- the first 32 are used as numbers, in addition to '0'-'9'
759 *   -- uppercase chars are used to invoke the button (M_EVENT + 'O')
760 */
761#define M_EVENT (DLGK_max + 1)
762
763/*
764 * The `flag' parameter in checklist is used to select between
765 * radiolist and checklist
766 */
767#define FLAG_CHECK 1
768#define FLAG_RADIO 0
769
770/*
771 * This is used only for debugging (FIXME: should have a separate header).
772 */
773#ifdef NO_LEAKS
774extern void _dlg_inputstr_leaks(void);
775#if defined(NCURSES_VERSION) && defined(HAVE__NC_FREE_AND_EXIT)
776extern void _nc_free_and_exit(int);	/* nc_alloc.h normally not installed */
777#endif
778#endif
779
780#ifdef __cplusplus
781}
782#endif
783
784#endif /* DIALOG_H_included */
785