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238 lines
6.7 KiB
238 lines
6.7 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* |
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* dialog.h -- common declarations for all dialog modules |
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* |
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* AUTHOR: Savio Lam ([email protected]) |
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*/ |
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#include <sys/types.h> |
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#include <fcntl.h> |
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#include <unistd.h> |
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#include <ctype.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <stdbool.h> |
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#ifdef __sun__ |
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#define CURS_MACROS |
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#endif |
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#include <ncurses.h> |
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/* |
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* Colors in ncurses 1.9.9e do not work properly since foreground and |
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* background colors are OR'd rather than separately masked. This version |
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* of dialog was hacked to work with ncurses 1.9.9e, making it incompatible |
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* with standard curses. The simplest fix (to make this work with standard |
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* curses) uses the wbkgdset() function, not used in the original hack. |
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* Turn it off if we're building with 1.9.9e, since it just confuses things. |
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*/ |
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#if defined(NCURSES_VERSION) && defined(_NEED_WRAP) && !defined(GCC_PRINTFLIKE) |
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#define OLD_NCURSES 1 |
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#undef wbkgdset |
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#define wbkgdset(w,p) /*nothing */ |
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#else |
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#define OLD_NCURSES 0 |
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#endif |
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#define TR(params) _tracef params |
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#define KEY_ESC 27 |
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#define TAB 9 |
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#define MAX_LEN 2048 |
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#define BUF_SIZE (10*1024) |
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#define MIN(x,y) (x < y ? x : y) |
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#define MAX(x,y) (x > y ? x : y) |
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#ifndef ACS_ULCORNER |
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#define ACS_ULCORNER '+' |
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#endif |
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#ifndef ACS_LLCORNER |
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#define ACS_LLCORNER '+' |
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#endif |
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#ifndef ACS_URCORNER |
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#define ACS_URCORNER '+' |
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#endif |
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#ifndef ACS_LRCORNER |
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#define ACS_LRCORNER '+' |
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#endif |
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#ifndef ACS_HLINE |
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#define ACS_HLINE '-' |
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#endif |
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#ifndef ACS_VLINE |
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#define ACS_VLINE '|' |
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#endif |
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#ifndef ACS_LTEE |
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#define ACS_LTEE '+' |
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#endif |
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#ifndef ACS_RTEE |
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#define ACS_RTEE '+' |
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#endif |
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#ifndef ACS_UARROW |
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#define ACS_UARROW '^' |
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#endif |
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#ifndef ACS_DARROW |
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#define ACS_DARROW 'v' |
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#endif |
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/* error return codes */ |
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#define ERRDISPLAYTOOSMALL (KEY_MAX + 1) |
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/* |
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* Color definitions |
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*/ |
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struct dialog_color { |
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chtype atr; /* Color attribute */ |
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int fg; /* foreground */ |
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int bg; /* background */ |
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int hl; /* highlight this item */ |
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}; |
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struct subtitle_list { |
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struct subtitle_list *next; |
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const char *text; |
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}; |
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struct dialog_info { |
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const char *backtitle; |
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struct subtitle_list *subtitles; |
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struct dialog_color screen; |
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struct dialog_color shadow; |
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struct dialog_color dialog; |
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struct dialog_color title; |
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struct dialog_color border; |
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struct dialog_color button_active; |
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struct dialog_color button_inactive; |
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struct dialog_color button_key_active; |
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struct dialog_color button_key_inactive; |
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struct dialog_color button_label_active; |
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struct dialog_color button_label_inactive; |
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struct dialog_color inputbox; |
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struct dialog_color inputbox_border; |
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struct dialog_color searchbox; |
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struct dialog_color searchbox_title; |
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struct dialog_color searchbox_border; |
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struct dialog_color position_indicator; |
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struct dialog_color menubox; |
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struct dialog_color menubox_border; |
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struct dialog_color item; |
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struct dialog_color item_selected; |
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struct dialog_color tag; |
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struct dialog_color tag_selected; |
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struct dialog_color tag_key; |
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struct dialog_color tag_key_selected; |
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struct dialog_color check; |
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struct dialog_color check_selected; |
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struct dialog_color uarrow; |
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struct dialog_color darrow; |
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}; |
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/* |
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* Global variables |
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*/ |
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extern struct dialog_info dlg; |
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extern char dialog_input_result[]; |
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extern int saved_x, saved_y; /* Needed in signal handler in mconf.c */ |
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/* |
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* Function prototypes |
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*/ |
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/* item list as used by checklist and menubox */ |
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void item_reset(void); |
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void item_make(const char *fmt, ...); |
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void item_add_str(const char *fmt, ...); |
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void item_set_tag(char tag); |
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void item_set_data(void *p); |
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void item_set_selected(int val); |
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int item_activate_selected(void); |
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void *item_data(void); |
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char item_tag(void); |
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/* item list manipulation for lxdialog use */ |
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#define MAXITEMSTR 200 |
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struct dialog_item { |
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char str[MAXITEMSTR]; /* prompt displayed */ |
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char tag; |
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void *data; /* pointer to menu item - used by menubox+checklist */ |
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int selected; /* Set to 1 by dialog_*() function if selected. */ |
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}; |
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/* list of lialog_items */ |
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struct dialog_list { |
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struct dialog_item node; |
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struct dialog_list *next; |
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}; |
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extern struct dialog_list *item_cur; |
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extern struct dialog_list item_nil; |
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extern struct dialog_list *item_head; |
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int item_count(void); |
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void item_set(int n); |
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int item_n(void); |
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const char *item_str(void); |
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int item_is_selected(void); |
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int item_is_tag(char tag); |
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#define item_foreach() \ |
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for (item_cur = item_head ? item_head: item_cur; \ |
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item_cur && (item_cur != &item_nil); item_cur = item_cur->next) |
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/* generic key handlers */ |
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int on_key_esc(WINDOW *win); |
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int on_key_resize(void); |
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/* minimum (re)size values */ |
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#define CHECKLIST_HEIGTH_MIN 6 /* For dialog_checklist() */ |
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#define CHECKLIST_WIDTH_MIN 6 |
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#define INPUTBOX_HEIGTH_MIN 2 /* For dialog_inputbox() */ |
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#define INPUTBOX_WIDTH_MIN 2 |
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#define MENUBOX_HEIGTH_MIN 15 /* For dialog_menu() */ |
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#define MENUBOX_WIDTH_MIN 65 |
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#define TEXTBOX_HEIGTH_MIN 8 /* For dialog_textbox() */ |
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#define TEXTBOX_WIDTH_MIN 8 |
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#define YESNO_HEIGTH_MIN 4 /* For dialog_yesno() */ |
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#define YESNO_WIDTH_MIN 4 |
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#define WINDOW_HEIGTH_MIN 19 /* For init_dialog() */ |
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#define WINDOW_WIDTH_MIN 80 |
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int init_dialog(const char *backtitle); |
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void set_dialog_backtitle(const char *backtitle); |
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void set_dialog_subtitles(struct subtitle_list *subtitles); |
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void end_dialog(int x, int y); |
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void attr_clear(WINDOW * win, int height, int width, chtype attr); |
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void dialog_clear(void); |
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void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x); |
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void print_button(WINDOW * win, const char *label, int y, int x, int selected); |
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void print_title(WINDOW *dialog, const char *title, int width); |
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void draw_box(WINDOW * win, int y, int x, int height, int width, chtype box, |
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chtype border); |
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void draw_shadow(WINDOW * win, int y, int x, int height, int width); |
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int first_alpha(const char *string, const char *exempt); |
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int dialog_yesno(const char *title, const char *prompt, int height, int width); |
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int dialog_msgbox(const char *title, const char *prompt, int height, |
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int width, int pause); |
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typedef void (*update_text_fn)(char *buf, size_t start, size_t end, void |
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*_data); |
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int dialog_textbox(const char *title, char *tbuf, int initial_height, |
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int initial_width, int *keys, int *_vscroll, int *_hscroll, |
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update_text_fn update_text, void *data); |
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int dialog_menu(const char *title, const char *prompt, |
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const void *selected, int *s_scroll); |
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int dialog_checklist(const char *title, const char *prompt, int height, |
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int width, int list_height); |
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int dialog_inputbox(const char *title, const char *prompt, int height, |
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int width, const char *init); |
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/* |
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* This is the base for fictitious keys, which activate |
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* the buttons. |
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* |
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* Mouse-generated keys are the following: |
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* -- the first 32 are used as numbers, in addition to '0'-'9' |
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* -- the lowercase are used to signal mouse-enter events (M_EVENT + 'o') |
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* -- uppercase chars are used to invoke the button (M_EVENT + 'O') |
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*/ |
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#define M_EVENT (KEY_MAX+1)
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