dialog.h 8.1 KB

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  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. #ifndef __DIALOG_H__
  21. #define __DIALOG_H__
  22. #include <sys/types.h>
  23. #include <fcntl.h>
  24. #include <unistd.h>
  25. #include <ctype.h>
  26. #include <stdlib.h>
  27. #include <string.h>
  28. #include <stdbool.h>
  29. ////////// lucz add begin
  30. #define N_(text) (text)
  31. ////////// lucz add end
  32. #ifndef KBUILD_NO_NLS
  33. # include <libintl.h>
  34. #else
  35. # define gettext(Msgid) ((const char *) (Msgid))
  36. #endif
  37. #ifdef __sun__
  38. #define CURS_MACROS
  39. #endif
  40. #include <ncurses.h>
  41. /*
  42. * Colors in ncurses 1.9.9e do not work properly since foreground and
  43. * background colors are OR'd rather than separately masked. This version
  44. * of dialog was hacked to work with ncurses 1.9.9e, making it incompatible
  45. * with standard curses. The simplest fix (to make this work with standard
  46. * curses) uses the wbkgdset() function, not used in the original hack.
  47. * Turn it off if we're building with 1.9.9e, since it just confuses things.
  48. */
  49. #if defined(NCURSES_VERSION) && defined(_NEED_WRAP) && !defined(GCC_PRINTFLIKE)
  50. #define OLD_NCURSES 1
  51. #undef wbkgdset
  52. #define wbkgdset(w,p) /*nothing */
  53. #else
  54. #define OLD_NCURSES 0
  55. #endif
  56. #define TR(params) _tracef params
  57. #define KEY_ESC 27
  58. #define TAB 9
  59. #define MAX_LEN 2048
  60. #define BUF_SIZE (10*1024)
  61. #define MIN(x,y) (x < y ? x : y)
  62. #define MAX(x,y) (x > y ? x : y)
  63. #ifndef ACS_ULCORNER
  64. #define ACS_ULCORNER '+'
  65. #endif
  66. #ifndef ACS_LLCORNER
  67. #define ACS_LLCORNER '+'
  68. #endif
  69. #ifndef ACS_URCORNER
  70. #define ACS_URCORNER '+'
  71. #endif
  72. #ifndef ACS_LRCORNER
  73. #define ACS_LRCORNER '+'
  74. #endif
  75. #ifndef ACS_HLINE
  76. #define ACS_HLINE '-'
  77. #endif
  78. #ifndef ACS_VLINE
  79. #define ACS_VLINE '|'
  80. #endif
  81. #ifndef ACS_LTEE
  82. #define ACS_LTEE '+'
  83. #endif
  84. #ifndef ACS_RTEE
  85. #define ACS_RTEE '+'
  86. #endif
  87. #ifndef ACS_UARROW
  88. #define ACS_UARROW '^'
  89. #endif
  90. #ifndef ACS_DARROW
  91. #define ACS_DARROW 'v'
  92. #endif
  93. /* error return codes */
  94. #define ERRDISPLAYTOOSMALL (KEY_MAX + 1)
  95. /*
  96. * Color definitions
  97. */
  98. struct dialog_color {
  99. chtype atr; /* Color attribute */
  100. int fg; /* foreground */
  101. int bg; /* background */
  102. int hl; /* highlight this item */
  103. };
  104. struct subtitle_list {
  105. struct subtitle_list *next;
  106. const char *text;
  107. };
  108. struct dialog_info {
  109. const char *backtitle;
  110. struct subtitle_list *subtitles;
  111. struct dialog_color screen;
  112. struct dialog_color shadow;
  113. struct dialog_color dialog;
  114. struct dialog_color title;
  115. struct dialog_color border;
  116. struct dialog_color button_active;
  117. struct dialog_color button_inactive;
  118. struct dialog_color button_key_active;
  119. struct dialog_color button_key_inactive;
  120. struct dialog_color button_label_active;
  121. struct dialog_color button_label_inactive;
  122. struct dialog_color inputbox;
  123. struct dialog_color inputbox_border;
  124. struct dialog_color searchbox;
  125. struct dialog_color searchbox_title;
  126. struct dialog_color searchbox_border;
  127. struct dialog_color position_indicator;
  128. struct dialog_color menubox;
  129. struct dialog_color menubox_border;
  130. struct dialog_color item;
  131. struct dialog_color item_selected;
  132. struct dialog_color tag;
  133. struct dialog_color tag_selected;
  134. struct dialog_color tag_key;
  135. struct dialog_color tag_key_selected;
  136. struct dialog_color check;
  137. struct dialog_color check_selected;
  138. struct dialog_color uarrow;
  139. struct dialog_color darrow;
  140. };
  141. /*
  142. * Global variables
  143. */
  144. extern struct dialog_info dlg;
  145. extern char dialog_input_result[];
  146. extern int saved_x, saved_y; /* Needed in signal handler in mconf.c */
  147. /*
  148. * Function prototypes
  149. */
  150. /* item list as used by checklist and menubox */
  151. void item_reset(void);
  152. void item_make(const char *fmt, ...);
  153. void item_add_str(const char *fmt, ...);
  154. void item_set_tag(char tag);
  155. void item_set_int(int int_value);
  156. void item_set_data(void *p);
  157. void item_set_selected(int val);
  158. int item_activate_selected(void);
  159. int item_activate_selected_pos(void);
  160. void *item_data(void);
  161. char item_tag(void);
  162. int item_int(void);
  163. /* item list manipulation for lxdialog use */
  164. #define MAXITEMSTR 200
  165. struct dialog_item {
  166. char str[MAXITEMSTR]; /* prompt displayed */
  167. char tag;
  168. void *data; /* pointer to menu item - used by menubox+checklist */
  169. int int_value; /* the int value of the item */
  170. int selected; /* Set to 1 by dialog_*() function if selected. */
  171. };
  172. /* list of lialog_items */
  173. struct dialog_list {
  174. struct dialog_item node;
  175. struct dialog_list *next;
  176. };
  177. extern struct dialog_list *item_cur;
  178. extern struct dialog_list item_nil;
  179. extern struct dialog_list *item_head;
  180. int item_count(void);
  181. void item_set(int n);
  182. int item_n(void);
  183. const char *item_str(void);
  184. int item_is_selected(void);
  185. int item_is_tag(char tag);
  186. #define item_foreach() \
  187. for (item_cur = item_head ? item_head: item_cur; \
  188. item_cur && (item_cur != &item_nil); item_cur = item_cur->next)
  189. /* generic key handlers */
  190. int on_key_esc(WINDOW *win);
  191. int on_key_resize(void);
  192. /* minimum (re)size values */
  193. #define CHECKLIST_HEIGTH_MIN 6 /* For dialog_checklist() */
  194. #define CHECKLIST_WIDTH_MIN 6
  195. #define INPUTBOX_HEIGTH_MIN 2 /* For dialog_inputbox() */
  196. #define INPUTBOX_WIDTH_MIN 2
  197. #define MENUBOX_HEIGTH_MIN 15 /* For dialog_menu() */
  198. #define MENUBOX_WIDTH_MIN 65
  199. #define TEXTBOX_HEIGTH_MIN 8 /* For dialog_textbox() */
  200. #define TEXTBOX_WIDTH_MIN 8
  201. #define YESNO_HEIGTH_MIN 4 /* For dialog_yesno() */
  202. #define YESNO_WIDTH_MIN 4
  203. #define WINDOW_HEIGTH_MIN 19 /* For init_dialog() */
  204. #define WINDOW_WIDTH_MIN 80
  205. int init_dialog(const char *backtitle);
  206. void set_dialog_backtitle(const char *backtitle);
  207. void set_dialog_subtitles(struct subtitle_list *subtitles);
  208. void end_dialog(int x, int y);
  209. void attr_clear(WINDOW * win, int height, int width, chtype attr);
  210. void dialog_clear(void);
  211. void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x);
  212. void print_button(WINDOW * win, const char *label, int y, int x, int selected);
  213. void print_title(WINDOW *dialog, const char *title, int width);
  214. void draw_box(WINDOW * win, int y, int x, int height, int width, chtype box,
  215. chtype border);
  216. void draw_shadow(WINDOW * win, int y, int x, int height, int width);
  217. int first_alpha(const char *string, const char *exempt);
  218. int dialog_yesno(const char *title, const char *prompt, int height, int width);
  219. int dialog_msgbox(const char *title, const char *prompt, int height,
  220. int width, int pause);
  221. typedef void (*update_text_fn)(char *buf, size_t start, size_t end, void
  222. *_data);
  223. int dialog_textbox(const char *title, char *tbuf, int initial_height,
  224. int initial_width, int *keys, int *_vscroll, int *_hscroll,
  225. update_text_fn update_text, void *data);
  226. int dialog_textbox_simple(const char *title, char *tbuf, int initial_height, int initial_width);
  227. int dialog_menu(const char *title, const char *prompt, int height, int width,
  228. const void *selected, int selected_pos, int *s_scroll,
  229. char *button_names[], int button_count);
  230. int dialog_checklist(const char *title, const char *prompt, int height,
  231. int width, int list_height, char *button_names[], int button_count);
  232. int dialog_checkbox(const char *title, const char *prompt, int height,
  233. int width, int list_height, int init_choice);
  234. int dialog_inputbox(const char *title, const char *prompt, int height,
  235. int width, const char *init);
  236. /*
  237. * This is the base for fictitious keys, which activate
  238. * the buttons.
  239. *
  240. * Mouse-generated keys are the following:
  241. * -- the first 32 are used as numbers, in addition to '0'-'9'
  242. * -- the lowercase are used to signal mouse-enter events (M_EVENT + 'o')
  243. * -- uppercase chars are used to invoke the button (M_EVENT + 'O')
  244. */
  245. #define M_EVENT (KEY_MAX+1)
  246. #endif /* __DIALOG_H__ */