1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
2 | /* |
3 | * dialog.h -- common declarations for all dialog modules |
4 | * |
5 | * AUTHOR: Savio Lam (lam836@cs.cuhk.hk) |
6 | */ |
7 | |
8 | #include <sys/types.h> |
9 | #include <fcntl.h> |
10 | #include <unistd.h> |
11 | #include <ctype.h> |
12 | #include <stdlib.h> |
13 | #include <string.h> |
14 | #include <stdbool.h> |
15 | |
16 | #ifdef __sun__ |
17 | #define CURS_MACROS |
18 | #endif |
19 | #include <ncurses.h> |
20 | |
21 | #define TR(params) _tracef params |
22 | |
23 | #define KEY_ESC 27 |
24 | #define TAB 9 |
25 | #define MAX_LEN 2048 |
26 | #define BUF_SIZE (10*1024) |
27 | #define MIN(x,y) (x < y ? x : y) |
28 | #define MAX(x,y) (x > y ? x : y) |
29 | |
30 | #ifndef ACS_ULCORNER |
31 | #define ACS_ULCORNER '+' |
32 | #endif |
33 | #ifndef ACS_LLCORNER |
34 | #define ACS_LLCORNER '+' |
35 | #endif |
36 | #ifndef ACS_URCORNER |
37 | #define ACS_URCORNER '+' |
38 | #endif |
39 | #ifndef ACS_LRCORNER |
40 | #define ACS_LRCORNER '+' |
41 | #endif |
42 | #ifndef ACS_HLINE |
43 | #define ACS_HLINE '-' |
44 | #endif |
45 | #ifndef ACS_VLINE |
46 | #define ACS_VLINE '|' |
47 | #endif |
48 | #ifndef ACS_LTEE |
49 | #define ACS_LTEE '+' |
50 | #endif |
51 | #ifndef ACS_RTEE |
52 | #define ACS_RTEE '+' |
53 | #endif |
54 | #ifndef ACS_UARROW |
55 | #define ACS_UARROW '^' |
56 | #endif |
57 | #ifndef ACS_DARROW |
58 | #define ACS_DARROW 'v' |
59 | #endif |
60 | |
61 | /* error return codes */ |
62 | #define ERRDISPLAYTOOSMALL (KEY_MAX + 1) |
63 | |
64 | /* |
65 | * Color definitions |
66 | */ |
67 | struct dialog_color { |
68 | chtype atr; /* Color attribute */ |
69 | int fg; /* foreground */ |
70 | int bg; /* background */ |
71 | int hl; /* highlight this item */ |
72 | }; |
73 | |
74 | struct subtitle_list { |
75 | struct subtitle_list *next; |
76 | const char *text; |
77 | }; |
78 | |
79 | struct dialog_info { |
80 | const char *backtitle; |
81 | struct subtitle_list *subtitles; |
82 | struct dialog_color screen; |
83 | struct dialog_color shadow; |
84 | struct dialog_color dialog; |
85 | struct dialog_color title; |
86 | struct dialog_color border; |
87 | struct dialog_color button_active; |
88 | struct dialog_color button_inactive; |
89 | struct dialog_color button_key_active; |
90 | struct dialog_color button_key_inactive; |
91 | struct dialog_color button_label_active; |
92 | struct dialog_color button_label_inactive; |
93 | struct dialog_color inputbox; |
94 | struct dialog_color position_indicator; |
95 | struct dialog_color ; |
96 | struct dialog_color ; |
97 | struct dialog_color item; |
98 | struct dialog_color item_selected; |
99 | struct dialog_color tag; |
100 | struct dialog_color tag_selected; |
101 | struct dialog_color tag_key; |
102 | struct dialog_color tag_key_selected; |
103 | struct dialog_color check; |
104 | struct dialog_color check_selected; |
105 | struct dialog_color uarrow; |
106 | struct dialog_color darrow; |
107 | }; |
108 | |
109 | /* |
110 | * Global variables |
111 | */ |
112 | extern struct dialog_info dlg; |
113 | extern char dialog_input_result[]; |
114 | extern int saved_x, saved_y; /* Needed in signal handler in mconf.c */ |
115 | |
116 | /* |
117 | * Function prototypes |
118 | */ |
119 | |
120 | /* item list as used by checklist and menubox */ |
121 | void item_reset(void); |
122 | void item_make(const char *fmt, ...); |
123 | void item_add_str(const char *fmt, ...); |
124 | void item_set_tag(char tag); |
125 | void item_set_data(void *p); |
126 | void item_set_selected(int val); |
127 | int item_activate_selected(void); |
128 | void *item_data(void); |
129 | char item_tag(void); |
130 | |
131 | /* item list manipulation for lxdialog use */ |
132 | #define MAXITEMSTR 200 |
133 | struct dialog_item { |
134 | char str[MAXITEMSTR]; /* prompt displayed */ |
135 | char tag; |
136 | void *data; /* pointer to menu item - used by menubox+checklist */ |
137 | int selected; /* Set to 1 by dialog_*() function if selected. */ |
138 | }; |
139 | |
140 | /* list of lialog_items */ |
141 | struct dialog_list { |
142 | struct dialog_item node; |
143 | struct dialog_list *next; |
144 | }; |
145 | |
146 | extern struct dialog_list *item_cur; |
147 | extern struct dialog_list item_nil; |
148 | extern struct dialog_list *item_head; |
149 | |
150 | int item_count(void); |
151 | void item_set(int n); |
152 | int item_n(void); |
153 | const char *item_str(void); |
154 | int item_is_selected(void); |
155 | int item_is_tag(char tag); |
156 | #define item_foreach() \ |
157 | for (item_cur = item_head ? item_head: item_cur; \ |
158 | item_cur && (item_cur != &item_nil); item_cur = item_cur->next) |
159 | |
160 | /* generic key handlers */ |
161 | int on_key_esc(WINDOW *win); |
162 | int on_key_resize(void); |
163 | |
164 | /* minimum (re)size values */ |
165 | #define CHECKLIST_HEIGHT_MIN 6 /* For dialog_checklist() */ |
166 | #define CHECKLIST_WIDTH_MIN 6 |
167 | #define INPUTBOX_HEIGHT_MIN 2 /* For dialog_inputbox() */ |
168 | #define INPUTBOX_WIDTH_MIN 2 |
169 | #define 15 /* For dialog_menu() */ |
170 | #define 65 |
171 | #define TEXTBOX_HEIGHT_MIN 8 /* For dialog_textbox() */ |
172 | #define TEXTBOX_WIDTH_MIN 8 |
173 | #define YESNO_HEIGHT_MIN 4 /* For dialog_yesno() */ |
174 | #define YESNO_WIDTH_MIN 4 |
175 | #define WINDOW_HEIGHT_MIN 19 /* For init_dialog() */ |
176 | #define WINDOW_WIDTH_MIN 80 |
177 | |
178 | int init_dialog(const char *backtitle); |
179 | void set_dialog_backtitle(const char *backtitle); |
180 | void set_dialog_subtitles(struct subtitle_list *subtitles); |
181 | void end_dialog(int x, int y); |
182 | void attr_clear(WINDOW * win, int height, int width, chtype attr); |
183 | void dialog_clear(void); |
184 | void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x); |
185 | void print_button(WINDOW * win, const char *label, int y, int x, int selected); |
186 | void print_title(WINDOW *dialog, const char *title, int width); |
187 | void draw_box(WINDOW * win, int y, int x, int height, int width, chtype box, |
188 | chtype border); |
189 | void draw_shadow(WINDOW * win, int y, int x, int height, int width); |
190 | |
191 | int first_alpha(const char *string, const char *exempt); |
192 | int dialog_yesno(const char *title, const char *prompt, int height, int width); |
193 | int dialog_msgbox(const char *title, const char *prompt, int height, |
194 | int width, int pause); |
195 | int dialog_textbox(const char *title, const char *tbuf, int initial_height, |
196 | int initial_width, int *_vscroll, int *_hscroll, |
197 | int (*)(int, size_t, size_t, void *), void *data); |
198 | int (const char *title, const char *prompt, |
199 | const void *selected, int *s_scroll); |
200 | int dialog_checklist(const char *title, const char *prompt, int height, |
201 | int width, int list_height); |
202 | int dialog_inputbox(const char *title, const char *prompt, int height, |
203 | int width, const char *init); |
204 | |