c76f07938c
git-subtree-dir: contrib/bsddialog git-subtree-mainline: a46722b580567799b484b5a81728eaf380777e04 git-subtree-split: 857c66bb5f3c5651b012beb1b5ea6ba39354ea94
147 lines
4.6 KiB
C
147 lines
4.6 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2021 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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/*
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* Utils to implement widgets - Internal library API
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*/
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#define HBORDERS 2
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#define VBORDERS 2
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/* ncurses has not a Ctrl key macro */
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#define KEY_CTRL(x) ((x) & 0x1f)
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/* Set default aspect ratio to 9 */
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#define GET_ASPECT_RATIO(conf) (conf.aspect_ratio > 0 ? conf.aspect_ratio : 9)
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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 buffer */
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const char *get_error_string(void);
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void set_error_string(char *string);
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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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/* Buttons */
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#define LABEL_cancel_label "Cancel"
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#define LABEL_exit_label "EXIT"
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#define LABEL_extra_label "Extra"
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#define LABEL_help_label "Help"
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#define LABEL_no_label "No"
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#define LABEL_ok_label "OK"
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#define LABEL_yes_label "Yes"
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#define BUTTONLABEL(l) (conf.button.l != NULL ? conf.button.l : LABEL_ ##l)
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#define MAXBUTTONS 4 /* yes|ok - extra - no|cancel - help */
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struct buttons {
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unsigned int nbuttons;
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char *label[MAXBUTTONS];
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int value[MAXBUTTONS];
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int curr;
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unsigned int sizebutton; /* including left and right delimiters */
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};
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void
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get_buttons(struct bsddialog_conf conf, struct buttons *bs, char *yesoklabel,
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char *extralabel, char *nocancellabel, char *helplabel);
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void
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draw_button(WINDOW *window, int y, int x, int size, char *text, bool selected,
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bool shortkey);
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void
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draw_buttons(WINDOW *window, int y, int cols, struct buttons bs, bool shortkey);
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/* help window with F1 key */
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int f1help(struct bsddialog_conf conf);
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/* cleaner */
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int hide_widget(int y, int x, int h, int w, bool withshadow);
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/* (auto) size and (auto) position */
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int
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get_text_properties(struct bsddialog_conf conf, char *text, int *maxword,
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int *maxline, int *nlines);
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int widget_max_height(struct bsddialog_conf conf);
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int widget_max_width(struct bsddialog_conf conf);
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int
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set_widget_size(struct bsddialog_conf conf, int rows, int cols, int *h, int *w);
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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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/* widget builders */
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void
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print_text(struct bsddialog_conf conf, WINDOW *pad, int starty, int minx,
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int maxx, char *text);
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enum elevation { RAISED, LOWERED };
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void
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draw_borders(struct bsddialog_conf conf, WINDOW *win, int rows, int cols,
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enum elevation elev);
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WINDOW *
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new_boxed_window(struct bsddialog_conf conf, int y, int x, int rows, int cols,
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enum elevation elev);
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int
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new_widget_withtextpad(struct bsddialog_conf conf, WINDOW **shadow,
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WINDOW **widget, int y, int x, int h, int w, enum elevation elev,
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WINDOW **textpad, int *htextpad, char *text, bool buttons);
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int
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update_widget_withtextpad(struct bsddialog_conf conf, WINDOW *shadow,
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WINDOW *widget, int h, int w, enum elevation elev, WINDOW *textpad,
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int *htextpad, char *text, bool buttons);
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void
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end_widget_withtextpad(struct bsddialog_conf conf, WINDOW *window, int h, int w,
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WINDOW *textpad, WINDOW *shadow);
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int
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new_widget(struct bsddialog_conf conf, WINDOW **widget, int *y, int *x,
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char *text, int *h, int *w, WINDOW **shadow, bool buttons);
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void
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end_widget(struct bsddialog_conf conf, WINDOW *window, int h, int w,
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WINDOW *shadow);
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#endif
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