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https://github.com/freebsd/freebsd-src
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a6d8be451f
Implicitly import also 1.0.1, both versions are for fixing and feature requests. Fixing: Change --mixedform behavior to fix a bsdinstall fault avoiding to change the command line in wlanconfig. Feature requests: * Add keys to navigate menus. * Add key to redraw dialogs. * Avoid to handle env NCURSES_NO_UTF8_ACS in PuTTY. See '2024-04-11 Version 1.0.2' and '2023-11-16 Version 1.0.1' in /usr/src/contrib/bsddialog/CHANGELOG for more detailed information. PR: 274472 Differential Revision: D42380 Merge commit 'be8846bd9e069f4a6bea3d769005bea96cf43990'
169 lines
6.3 KiB
C
169 lines
6.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2021-2024 Alfonso Sabato Siciliano
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _LIBBSDDIALOG_UTIL_H_
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#define _LIBBSDDIALOG_UTIL_H_
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#define BORDER 1
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#define BORDERS (BORDER + BORDER)
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#define TEXTHMARGIN 1
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#define TEXTHMARGINS (TEXTHMARGIN + TEXTHMARGIN)
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#define HBUTTONS 2
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#define OK_LABEL "OK"
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#define CANCEL_LABEL "Cancel"
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/* theme util */
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extern struct bsddialog_theme t;
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extern bool hastermcolors;
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#define MIN(a,b) (((a)<(b))?(a):(b))
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#define MAX(a,b) (((a)>(b))?(a):(b))
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/* debug */
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#define BSDDIALOG_DEBUG(y,x,fmt, ...) do { \
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mvprintw(y, x, fmt, __VA_ARGS__); \
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refresh(); \
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} while (0)
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/* error and diagnostic */
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#define RETURN_ERROR(str) do { \
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set_error_string(str); \
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return (BSDDIALOG_ERROR); \
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} while (0)
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#define RETURN_FMTERROR(fmt, ...) do { \
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set_fmt_error_string(fmt, __VA_ARGS__); \
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return (BSDDIALOG_ERROR); \
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} while (0)
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/* check ptr */
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#define CHECK_PTR(p) do { \
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if (p == NULL) \
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RETURN_ERROR("*" #p " is NULL"); \
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} while (0)
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#define CHECK_ARRAY(nitem, a) do { \
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if (nitem > 0 && a == NULL) \
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RETURN_FMTERROR(#nitem " is %d but *" #a " is NULL", nitem); \
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} while (0)
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/* widget utils */
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#define KEY_CTRL(c) (c & 037)
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#define TEXTPAD(d, downnotext) rtextpad(d, 0, 0, 0, downnotext)
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#define SCREENLINES (getmaxy(stdscr))
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#define SCREENCOLS (getmaxx(stdscr))
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#define CHECK_STR(s) (s == NULL ? "" : s)
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#define UARROW(c) (c->ascii_lines ? '^' : ACS_UARROW)
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#define DARROW(c) (c->ascii_lines ? 'v' : ACS_DARROW)
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#define LARROW(c) (c->ascii_lines ? '<' : ACS_LARROW)
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#define RARROW(c) (c->ascii_lines ? '>' : ACS_RARROW)
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#define DRAW_BUTTONS(d) do { \
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draw_buttons(&d); \
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wnoutrefresh(d.widget); \
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} while (0)
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/* internal types */
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enum elevation { RAISED, LOWERED };
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struct buttons {
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unsigned int nbuttons;
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#define MAXBUTTONS 10 /* 3left + ok + extra + cancel + help + 3 right */
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const char *label[MAXBUTTONS];
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bool shortcut;
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wchar_t first[MAXBUTTONS];
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int value[MAXBUTTONS];
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int curr;
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#define BUTTONVALUE(bs) bs.value[bs.curr]
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unsigned int sizebutton; /* including left and right delimiters */
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};
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struct dialog {
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bool built; /* true after the first draw_dialog() */
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struct bsddialog_conf *conf; /* Checked API conf */
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WINDOW *widget; /* Size and position refer to widget */
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int y, x; /* Current position, API conf.[y|x]: -1, >=0 */
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int rows, cols; /* API rows and cols: -1, 0, >0 */
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int h, w; /* Current height and width */
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const char *text; /* Checked API text, at least "" */
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WINDOW *textpad; /* Fake for textbox */
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struct buttons bs; /* bs.nbuttons = 0 for no buttons */
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WINDOW *shadow;
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};
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/* error and diagnostic */
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const char *get_error_string(void);
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void set_error_string(const char *string);
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void set_fmt_error_string(const char *fmt, ...);
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/* multicolumn character string */
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unsigned int strcols(const char *mbstring);
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int str_props(const char *mbstring, unsigned int *cols, bool *has_multi_col);
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void mvwaddwch(WINDOW *w, int y, int x, wchar_t wch);
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wchar_t* alloc_mbstows(const char *mbstring);
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/* buttons */
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void
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set_buttons(struct dialog *d, bool shortcut, const char *oklabel,
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const char *canclabel);
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void draw_buttons(struct dialog *d);
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bool shortcut_buttons(wint_t key, struct buttons *bs);
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/* widget utils */
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int hide_dialog(struct dialog *d);
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int f1help_dialog(struct bsddialog_conf *conf);
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void
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draw_borders(struct bsddialog_conf *conf, WINDOW *win, enum elevation elev);
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void
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update_box(struct bsddialog_conf *conf, WINDOW *win, int y, int x, int h, int w,
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enum elevation elev);
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void
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rtextpad(struct dialog *d, int ytext, int xtext, int upnotext, int downnotext);
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/* (auto) sizing and (auto) position */
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int
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set_widget_size(struct bsddialog_conf *conf, int rows, int cols, int *h,
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int *w);
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int
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set_widget_autosize(struct bsddialog_conf *conf, int rows, int cols, int *h,
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int *w, const char *text, int *rowstext, struct buttons *bs, int hnotext,
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int minw);
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int widget_checksize(int h, int w, struct buttons *bs, int hnotext, int minw);
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int
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set_widget_position(struct bsddialog_conf *conf, int *y, int *x, int h, int w);
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int dialog_size_position(struct dialog *d, int hnotext, int minw, int *htext);
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/* dialog */
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void end_dialog(struct dialog *d);
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int draw_dialog(struct dialog *d);
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int
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prepare_dialog(struct bsddialog_conf *conf, const char *text, int rows,
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int cols, struct dialog *d);
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#endif
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