1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * dialog.h -- common declarations for all dialog modules
22 * Colors in ncurses 1.9.9e do not work properly since foreground and
23 * background colors are OR'd rather than separately masked. This version
24 * of dialog was hacked to work with ncurses 1.9.9e, making it incompatible
25 * with standard curses. The simplest fix (to make this work with standard
26 * curses) uses the wbkgdset() function, not used in the original hack.
27 * Turn it off if we're building with 1.9.9e, since it just confuses things.
29 #if defined(NCURSES_VERSION) && defined(_NEED_WRAP) && !defined(GCC_PRINTFLIKE)
32 #define wbkgdset(w,p) /*nothing */
37 #define TR(params) _tracef params
42 #define BUF_SIZE (10*1024)
43 #define MIN(x,y) (x < y ? x : y)
44 #define MAX(x,y) (x > y ? x : y)
47 #define ACS_ULCORNER '+'
50 #define ACS_LLCORNER '+'
53 #define ACS_URCORNER '+'
56 #define ACS_LRCORNER '+'
71 #define ACS_UARROW '^'
74 #define ACS_DARROW 'v'
77 /* error return codes */
78 #define ERRDISPLAYTOOSMALL (KEY_MAX + 1)
84 chtype atr; /* Color attribute */
85 int fg; /* foreground */
86 int bg; /* background */
87 int hl; /* highlight this item */
90 struct subtitle_list {
91 struct subtitle_list *next;
96 const char *backtitle;
97 struct subtitle_list *subtitles;
98 struct dialog_color screen;
99 struct dialog_color shadow;
100 struct dialog_color dialog;
101 struct dialog_color title;
102 struct dialog_color border;
103 struct dialog_color button_active;
104 struct dialog_color button_inactive;
105 struct dialog_color button_key_active;
106 struct dialog_color button_key_inactive;
107 struct dialog_color button_label_active;
108 struct dialog_color button_label_inactive;
109 struct dialog_color inputbox;
110 struct dialog_color inputbox_border;
111 struct dialog_color searchbox;
112 struct dialog_color searchbox_title;
113 struct dialog_color searchbox_border;
114 struct dialog_color position_indicator;
115 struct dialog_color menubox;
116 struct dialog_color menubox_border;
117 struct dialog_color item;
118 struct dialog_color item_selected;
119 struct dialog_color tag;
120 struct dialog_color tag_selected;
121 struct dialog_color tag_key;
122 struct dialog_color tag_key_selected;
123 struct dialog_color check;
124 struct dialog_color check_selected;
125 struct dialog_color uarrow;
126 struct dialog_color darrow;
132 extern struct dialog_info dlg;
133 extern char dialog_input_result[];
134 extern int saved_x, saved_y; /* Needed in signal handler in mconf.c */
137 * Function prototypes
140 /* item list as used by checklist and menubox */
141 void item_reset(void);
142 void item_make(const char *fmt, ...);
143 void item_add_str(const char *fmt, ...);
144 void item_set_tag(char tag);
145 void item_set_data(void *p);
146 void item_set_selected(int val);
147 int item_activate_selected(void);
148 void *item_data(void);
151 /* item list manipulation for lxdialog use */
152 #define MAXITEMSTR 200
154 char str[MAXITEMSTR]; /* prompt displayed */
156 void *data; /* pointer to menu item - used by menubox+checklist */
157 int selected; /* Set to 1 by dialog_*() function if selected. */
160 /* list of lialog_items */
162 struct dialog_item node;
163 struct dialog_list *next;
166 extern struct dialog_list *item_cur;
167 extern struct dialog_list item_nil;
168 extern struct dialog_list *item_head;
170 int item_count(void);
171 void item_set(int n);
173 const char *item_str(void);
174 int item_is_selected(void);
175 int item_is_tag(char tag);
176 #define item_foreach() \
177 for (item_cur = item_head ? item_head: item_cur; \
178 item_cur && (item_cur != &item_nil); item_cur = item_cur->next)
180 /* generic key handlers */
181 int on_key_esc(WINDOW *win);
182 int on_key_resize(void);
184 /* minimum (re)size values */
185 #define CHECKLIST_HEIGTH_MIN 6 /* For dialog_checklist() */
186 #define CHECKLIST_WIDTH_MIN 6
187 #define INPUTBOX_HEIGTH_MIN 2 /* For dialog_inputbox() */
188 #define INPUTBOX_WIDTH_MIN 2
189 #define MENUBOX_HEIGTH_MIN 15 /* For dialog_menu() */
190 #define MENUBOX_WIDTH_MIN 65
191 #define TEXTBOX_HEIGTH_MIN 8 /* For dialog_textbox() */
192 #define TEXTBOX_WIDTH_MIN 8
193 #define YESNO_HEIGTH_MIN 4 /* For dialog_yesno() */
194 #define YESNO_WIDTH_MIN 4
195 #define WINDOW_HEIGTH_MIN 19 /* For init_dialog() */
196 #define WINDOW_WIDTH_MIN 80
198 int init_dialog(const char *backtitle);
199 void set_dialog_backtitle(const char *backtitle);
200 void set_dialog_subtitles(struct subtitle_list *subtitles);
201 void end_dialog(int x, int y);
202 void attr_clear(WINDOW * win, int height, int width, chtype attr);
203 void dialog_clear(void);
204 void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x);
205 void print_button(WINDOW * win, const char *label, int y, int x, int selected);
206 void print_title(WINDOW *dialog, const char *title, int width);
207 void draw_box(WINDOW * win, int y, int x, int height, int width, chtype box,
209 void draw_shadow(WINDOW * win, int y, int x, int height, int width);
211 int first_alpha(const char *string, const char *exempt);
212 int dialog_yesno(const char *title, const char *prompt, int height, int width);
213 int dialog_msgbox(const char *title, const char *prompt, int height,
214 int width, int pause);
217 typedef void (*update_text_fn)(char *buf, size_t start, size_t end, void
219 int dialog_textbox(const char *title, char *tbuf, int initial_height,
220 int initial_width, int *keys, int *_vscroll, int *_hscroll,
221 update_text_fn update_text, void *data);
222 int dialog_menu(const char *title, const char *prompt,
223 const void *selected, int *s_scroll);
224 int dialog_checklist(const char *title, const char *prompt, int height,
225 int width, int list_height);
226 int dialog_inputbox(const char *title, const char *prompt, int height,
227 int width, const char *init);
230 * This is the base for fictitious keys, which activate
233 * Mouse-generated keys are the following:
234 * -- the first 32 are used as numbers, in addition to '0'-'9'
235 * -- the lowercase are used to signal mouse-enter events (M_EVENT + 'o')
236 * -- uppercase chars are used to invoke the button (M_EVENT + 'O')
238 #define M_EVENT (KEY_MAX+1)