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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2021 Alfonso Sabato Siciliano
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _LIBBSDDIALOG_UTIL_H_
#define _LIBBSDDIALOG_UTIL_H_
/*
* Utils to implement widgets - Internal library API
*/
#define HBORDERS 2
#define VBORDERS 2
/* ncurses has not a Ctrl key macro */
#define KEY_CTRL(x) ((x) & 0x1f)
/* Set default aspect ratio to 9 */
#define GET_ASPECT_RATIO(conf) (conf.aspect_ratio > 0 ? conf.aspect_ratio : 9)
/* debug */
#define BSDDIALOG_DEBUG(y,x,fmt, ...) do { \
mvprintw(y, x, fmt, __VA_ARGS__); \
refresh(); \
} while (0)
/* error buffer */
const char *get_error_string(void);
void set_error_string(char *string);
#define RETURN_ERROR(str) do { \
set_error_string(str); \
return BSDDIALOG_ERROR; \
} while (0)
/* Buttons */
#define LABEL_cancel_label "Cancel"
#define LABEL_exit_label "EXIT"
#define LABEL_extra_label "Extra"
#define LABEL_help_label "Help"
#define LABEL_no_label "No"
#define LABEL_ok_label "OK"
#define LABEL_yes_label "Yes"
#define BUTTONLABEL(l) (conf.button.l != NULL ? conf.button.l : LABEL_ ##l)
#define MAXBUTTONS 4 /* yes|ok - extra - no|cancel - help */
struct buttons {
unsigned int nbuttons;
char *label[MAXBUTTONS];
int value[MAXBUTTONS];
int curr;
unsigned int sizebutton; /* including left and right delimiters */
};
void
get_buttons(struct bsddialog_conf conf, struct buttons *bs, char *yesoklabel,
char *extralabel, char *nocancellabel, char *helplabel);
void
draw_button(WINDOW *window, int y, int x, int size, char *text, bool selected,
bool shortkey);
void
draw_buttons(WINDOW *window, int y, int cols, struct buttons bs, bool shortkey);
/* help window with F1 key */
int f1help(struct bsddialog_conf conf);
/* cleaner */
int hide_widget(int y, int x, int h, int w, bool withshadow);
/* (auto) size and (auto) position */
int
get_text_properties(struct bsddialog_conf conf, char *text, int *maxword,
int *maxline, int *nlines);
int widget_max_height(struct bsddialog_conf conf);
int widget_max_width(struct bsddialog_conf conf);
int
set_widget_size(struct bsddialog_conf conf, int rows, int cols, int *h, int *w);
int
set_widget_position(struct bsddialog_conf conf, int *y, int *x, int h, int w);
/* widget builders */
void
print_text(struct bsddialog_conf conf, WINDOW *pad, int starty, int minx,
int maxx, char *text);
enum elevation { RAISED, LOWERED };
void
draw_borders(struct bsddialog_conf conf, WINDOW *win, int rows, int cols,
enum elevation elev);
WINDOW *
new_boxed_window(struct bsddialog_conf conf, int y, int x, int rows, int cols,
enum elevation elev);
int
new_widget_withtextpad(struct bsddialog_conf conf, WINDOW **shadow,
WINDOW **widget, int y, int x, int h, int w, enum elevation elev,
WINDOW **textpad, int *htextpad, char *text, bool buttons);
int
update_widget_withtextpad(struct bsddialog_conf conf, WINDOW *shadow,
WINDOW *widget, int h, int w, enum elevation elev, WINDOW *textpad,
int *htextpad, char *text, bool buttons);
void
end_widget_withtextpad(struct bsddialog_conf conf, WINDOW *window, int h, int w,
WINDOW *textpad, WINDOW *shadow);
int
new_widget(struct bsddialog_conf conf, WINDOW **widget, int *y, int *x,
char *text, int *h, int *w, WINDOW **shadow, bool buttons);
void
end_widget(struct bsddialog_conf conf, WINDOW *window, int h, int w,
WINDOW *shadow);
#endif
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