Masahiro Yamada | ed16f5a | 2014-07-30 14:08:13 +0900 | [diff] [blame] | 1 | /* |
| 2 | * dialog.h -- common declarations for all dialog modules |
| 3 | * |
| 4 | * AUTHOR: Savio Lam (lam836@cs.cuhk.hk) |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version 2 |
| 9 | * of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | */ |
| 20 | |
| 21 | #include <sys/types.h> |
| 22 | #include <fcntl.h> |
| 23 | #include <unistd.h> |
| 24 | #include <ctype.h> |
| 25 | #include <stdlib.h> |
| 26 | #include <string.h> |
| 27 | #include <stdbool.h> |
| 28 | |
| 29 | #ifndef KBUILD_NO_NLS |
| 30 | # include <libintl.h> |
| 31 | #else |
| 32 | # define gettext(Msgid) ((const char *) (Msgid)) |
| 33 | #endif |
| 34 | |
| 35 | #ifdef __sun__ |
| 36 | #define CURS_MACROS |
| 37 | #endif |
| 38 | #include CURSES_LOC |
| 39 | |
| 40 | /* |
| 41 | * Colors in ncurses 1.9.9e do not work properly since foreground and |
| 42 | * background colors are OR'd rather than separately masked. This version |
| 43 | * of dialog was hacked to work with ncurses 1.9.9e, making it incompatible |
| 44 | * with standard curses. The simplest fix (to make this work with standard |
| 45 | * curses) uses the wbkgdset() function, not used in the original hack. |
| 46 | * Turn it off if we're building with 1.9.9e, since it just confuses things. |
| 47 | */ |
| 48 | #if defined(NCURSES_VERSION) && defined(_NEED_WRAP) && !defined(GCC_PRINTFLIKE) |
| 49 | #define OLD_NCURSES 1 |
| 50 | #undef wbkgdset |
| 51 | #define wbkgdset(w,p) /*nothing */ |
| 52 | #else |
| 53 | #define OLD_NCURSES 0 |
| 54 | #endif |
| 55 | |
| 56 | #define TR(params) _tracef params |
| 57 | |
| 58 | #define KEY_ESC 27 |
| 59 | #define TAB 9 |
| 60 | #define MAX_LEN 2048 |
| 61 | #define BUF_SIZE (10*1024) |
| 62 | #define MIN(x,y) (x < y ? x : y) |
| 63 | #define MAX(x,y) (x > y ? x : y) |
| 64 | |
| 65 | #ifndef ACS_ULCORNER |
| 66 | #define ACS_ULCORNER '+' |
| 67 | #endif |
| 68 | #ifndef ACS_LLCORNER |
| 69 | #define ACS_LLCORNER '+' |
| 70 | #endif |
| 71 | #ifndef ACS_URCORNER |
| 72 | #define ACS_URCORNER '+' |
| 73 | #endif |
| 74 | #ifndef ACS_LRCORNER |
| 75 | #define ACS_LRCORNER '+' |
| 76 | #endif |
| 77 | #ifndef ACS_HLINE |
| 78 | #define ACS_HLINE '-' |
| 79 | #endif |
| 80 | #ifndef ACS_VLINE |
| 81 | #define ACS_VLINE '|' |
| 82 | #endif |
| 83 | #ifndef ACS_LTEE |
| 84 | #define ACS_LTEE '+' |
| 85 | #endif |
| 86 | #ifndef ACS_RTEE |
| 87 | #define ACS_RTEE '+' |
| 88 | #endif |
| 89 | #ifndef ACS_UARROW |
| 90 | #define ACS_UARROW '^' |
| 91 | #endif |
| 92 | #ifndef ACS_DARROW |
| 93 | #define ACS_DARROW 'v' |
| 94 | #endif |
| 95 | |
| 96 | /* error return codes */ |
| 97 | #define ERRDISPLAYTOOSMALL (KEY_MAX + 1) |
| 98 | |
| 99 | /* |
| 100 | * Color definitions |
| 101 | */ |
| 102 | struct dialog_color { |
| 103 | chtype atr; /* Color attribute */ |
| 104 | int fg; /* foreground */ |
| 105 | int bg; /* background */ |
| 106 | int hl; /* highlight this item */ |
| 107 | }; |
| 108 | |
| 109 | struct subtitle_list { |
| 110 | struct subtitle_list *next; |
| 111 | const char *text; |
| 112 | }; |
| 113 | |
| 114 | struct dialog_info { |
| 115 | const char *backtitle; |
| 116 | struct subtitle_list *subtitles; |
| 117 | struct dialog_color screen; |
| 118 | struct dialog_color shadow; |
| 119 | struct dialog_color dialog; |
| 120 | struct dialog_color title; |
| 121 | struct dialog_color border; |
| 122 | struct dialog_color button_active; |
| 123 | struct dialog_color button_inactive; |
| 124 | struct dialog_color button_key_active; |
| 125 | struct dialog_color button_key_inactive; |
| 126 | struct dialog_color button_label_active; |
| 127 | struct dialog_color button_label_inactive; |
| 128 | struct dialog_color inputbox; |
| 129 | struct dialog_color inputbox_border; |
| 130 | struct dialog_color searchbox; |
| 131 | struct dialog_color searchbox_title; |
| 132 | struct dialog_color searchbox_border; |
| 133 | struct dialog_color position_indicator; |
| 134 | struct dialog_color menubox; |
| 135 | struct dialog_color menubox_border; |
| 136 | struct dialog_color item; |
| 137 | struct dialog_color item_selected; |
| 138 | struct dialog_color tag; |
| 139 | struct dialog_color tag_selected; |
| 140 | struct dialog_color tag_key; |
| 141 | struct dialog_color tag_key_selected; |
| 142 | struct dialog_color check; |
| 143 | struct dialog_color check_selected; |
| 144 | struct dialog_color uarrow; |
| 145 | struct dialog_color darrow; |
| 146 | }; |
| 147 | |
| 148 | /* |
| 149 | * Global variables |
| 150 | */ |
| 151 | extern struct dialog_info dlg; |
| 152 | extern char dialog_input_result[]; |
| 153 | extern int saved_x, saved_y; /* Needed in signal handler in mconf.c */ |
| 154 | |
| 155 | /* |
| 156 | * Function prototypes |
| 157 | */ |
| 158 | |
| 159 | /* item list as used by checklist and menubox */ |
| 160 | void item_reset(void); |
| 161 | void item_make(const char *fmt, ...); |
| 162 | void item_add_str(const char *fmt, ...); |
| 163 | void item_set_tag(char tag); |
| 164 | void item_set_data(void *p); |
| 165 | void item_set_selected(int val); |
| 166 | int item_activate_selected(void); |
| 167 | void *item_data(void); |
| 168 | char item_tag(void); |
| 169 | |
| 170 | /* item list manipulation for lxdialog use */ |
| 171 | #define MAXITEMSTR 200 |
| 172 | struct dialog_item { |
Masahiro Yamada | cfa337b | 2014-10-30 11:06:12 +0900 | [diff] [blame^] | 173 | char str[MAXITEMSTR]; /* prompt displayed */ |
Masahiro Yamada | ed16f5a | 2014-07-30 14:08:13 +0900 | [diff] [blame] | 174 | char tag; |
| 175 | void *data; /* pointer to menu item - used by menubox+checklist */ |
| 176 | int selected; /* Set to 1 by dialog_*() function if selected. */ |
| 177 | }; |
| 178 | |
| 179 | /* list of lialog_items */ |
| 180 | struct dialog_list { |
| 181 | struct dialog_item node; |
| 182 | struct dialog_list *next; |
| 183 | }; |
| 184 | |
| 185 | extern struct dialog_list *item_cur; |
| 186 | extern struct dialog_list item_nil; |
| 187 | extern struct dialog_list *item_head; |
| 188 | |
| 189 | int item_count(void); |
| 190 | void item_set(int n); |
| 191 | int item_n(void); |
| 192 | const char *item_str(void); |
| 193 | int item_is_selected(void); |
| 194 | int item_is_tag(char tag); |
| 195 | #define item_foreach() \ |
| 196 | for (item_cur = item_head ? item_head: item_cur; \ |
| 197 | item_cur && (item_cur != &item_nil); item_cur = item_cur->next) |
| 198 | |
| 199 | /* generic key handlers */ |
| 200 | int on_key_esc(WINDOW *win); |
| 201 | int on_key_resize(void); |
| 202 | |
| 203 | /* minimum (re)size values */ |
| 204 | #define CHECKLIST_HEIGTH_MIN 6 /* For dialog_checklist() */ |
| 205 | #define CHECKLIST_WIDTH_MIN 6 |
| 206 | #define INPUTBOX_HEIGTH_MIN 2 /* For dialog_inputbox() */ |
| 207 | #define INPUTBOX_WIDTH_MIN 2 |
| 208 | #define MENUBOX_HEIGTH_MIN 15 /* For dialog_menu() */ |
| 209 | #define MENUBOX_WIDTH_MIN 65 |
| 210 | #define TEXTBOX_HEIGTH_MIN 8 /* For dialog_textbox() */ |
| 211 | #define TEXTBOX_WIDTH_MIN 8 |
| 212 | #define YESNO_HEIGTH_MIN 4 /* For dialog_yesno() */ |
| 213 | #define YESNO_WIDTH_MIN 4 |
| 214 | #define WINDOW_HEIGTH_MIN 19 /* For init_dialog() */ |
| 215 | #define WINDOW_WIDTH_MIN 80 |
| 216 | |
| 217 | int init_dialog(const char *backtitle); |
| 218 | void set_dialog_backtitle(const char *backtitle); |
| 219 | void set_dialog_subtitles(struct subtitle_list *subtitles); |
| 220 | void end_dialog(int x, int y); |
| 221 | void attr_clear(WINDOW * win, int height, int width, chtype attr); |
| 222 | void dialog_clear(void); |
| 223 | void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x); |
| 224 | void print_button(WINDOW * win, const char *label, int y, int x, int selected); |
| 225 | void print_title(WINDOW *dialog, const char *title, int width); |
| 226 | void draw_box(WINDOW * win, int y, int x, int height, int width, chtype box, |
| 227 | chtype border); |
| 228 | void draw_shadow(WINDOW * win, int y, int x, int height, int width); |
| 229 | |
| 230 | int first_alpha(const char *string, const char *exempt); |
| 231 | int dialog_yesno(const char *title, const char *prompt, int height, int width); |
| 232 | int dialog_msgbox(const char *title, const char *prompt, int height, |
| 233 | int width, int pause); |
| 234 | |
| 235 | |
| 236 | typedef void (*update_text_fn)(char *buf, size_t start, size_t end, void |
| 237 | *_data); |
| 238 | int dialog_textbox(const char *title, char *tbuf, int initial_height, |
| 239 | int initial_width, int *keys, int *_vscroll, int *_hscroll, |
| 240 | update_text_fn update_text, void *data); |
| 241 | int dialog_menu(const char *title, const char *prompt, |
| 242 | const void *selected, int *s_scroll); |
| 243 | int dialog_checklist(const char *title, const char *prompt, int height, |
| 244 | int width, int list_height); |
| 245 | int dialog_inputbox(const char *title, const char *prompt, int height, |
| 246 | int width, const char *init); |
| 247 | |
| 248 | /* |
| 249 | * This is the base for fictitious keys, which activate |
| 250 | * the buttons. |
| 251 | * |
| 252 | * Mouse-generated keys are the following: |
| 253 | * -- the first 32 are used as numbers, in addition to '0'-'9' |
| 254 | * -- the lowercase are used to signal mouse-enter events (M_EVENT + 'o') |
| 255 | * -- uppercase chars are used to invoke the button (M_EVENT + 'O') |
| 256 | */ |
| 257 | #define M_EVENT (KEY_MAX+1) |