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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2021-2022 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_
#define HBORDERS 2
#define VBORDERS 2
#define TEXTHMARGIN 1
#define TEXTHMARGINS (TEXTHMARGIN + TEXTHMARGIN)
/* theme utils */
extern struct bsddialog_theme t;
extern bool hastermcolors;
/* debug */
#define BSDDIALOG_DEBUG(y,x,fmt, ...) do { \
mvprintw(y, x, fmt, __VA_ARGS__); \
refresh(); \
} while (0)
/* date */
#define ISLEAP(year) ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)
/* unicode */
unsigned int strcols(const char *mbstring);
int str_props(const char *mbstring, unsigned int *cols, bool *has_multi_col);
void mvwaddwch(WINDOW *w, int y, int x, wchar_t wch);
wchar_t* alloc_mbstows(const char *mbstring);
/* error buffer */
const char *get_error_string(void);
void set_error_string(const char *string);
#define RETURN_ERROR(str) do { \
set_error_string(str); \
return (BSDDIALOG_ERROR); \
} while (0)
/* buttons */
struct buttons {
unsigned int nbuttons;
#define MAXBUTTONS 6 /* ok + extra + cancel + help + 2 generics */
const char *label[MAXBUTTONS];
wchar_t first[MAXBUTTONS];
int value[MAXBUTTONS];
int curr;
unsigned int sizebutton; /* including left and right delimiters */
};
#define BUTTON_OK_LABEL "OK"
#define BUTTON_CANCEL_LABEL "Cancel"
void
get_buttons(struct bsddialog_conf *conf, struct buttons *bs,
const char *yesoklabel, const char *nocancellabel);
void
draw_buttons(WINDOW *window, struct buttons bs, bool shortcut);
int buttons_min_width(struct buttons bs);
bool shortcut_buttons(wint_t key, struct buttons *bs);
/* 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 */
#define SCREENLINES (getmaxy(stdscr))
#define SCREENCOLS (getmaxx(stdscr))
int
text_size(struct bsddialog_conf *conf, int rows, int cols, const char *text,
struct buttons *bs, int rowsnotext, int startwtext, int *htext, int *wtext);
int widget_max_height(struct bsddialog_conf *conf);
int widget_max_width(struct bsddialog_conf *conf);
int
widget_min_height(struct bsddialog_conf *conf, int htext, int minwidget,
bool withbuttons);
int
widget_min_width(struct bsddialog_conf *conf, int wtext, int minwidget,
struct buttons *bs);
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 */
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_dialog(struct bsddialog_conf *conf, WINDOW **shadow, WINDOW **widget, int y,
int x, int h, int w, WINDOW **textpad, const char *text, struct buttons *bs,
bool shortcutbuttons);
int
update_dialog(struct bsddialog_conf *conf, WINDOW *shadow, WINDOW *widget,
int y, int x, int h, int w, WINDOW *textpad, const char *text,
struct buttons *bs, bool shortcutbuttons);
void
end_dialog(struct bsddialog_conf *conf, WINDOW *shadow, WINDOW *widget,
WINDOW *textpad);
#endif
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