1 /* 2 * dialog.h -- common declarations for all dialog modules 3 * 4 * AUTHOR: Savio Lam (lam836 (at) 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 #ifdef __sun__ 30 #define CURS_MACROS 31 #endif 32 #include CURSES_LOC 33 34 /* 35 * Colors in ncurses 1.9.9e do not work properly since foreground and 36 * background colors are OR'd rather than separately masked. This version 37 * of dialog was hacked to work with ncurses 1.9.9e, making it incompatible 38 * with standard curses. The simplest fix (to make this work with standard 39 * curses) uses the wbkgdset() function, not used in the original hack. 40 * Turn it off if we're building with 1.9.9e, since it just confuses things. 41 */ 42 #if defined(NCURSES_VERSION) && defined(_NEED_WRAP) && !defined(GCC_PRINTFLIKE) 43 #define OLD_NCURSES 1 44 #undef wbkgdset 45 #define wbkgdset(w,p) /*nothing */ 46 #else 47 #define OLD_NCURSES 0 48 #endif 49 50 #define TR(params) _tracef params 51 52 #define KEY_ESC 27 53 #define TAB 9 54 #define MAX_LEN 2048 55 #define BUF_SIZE (10*1024) 56 #define MIN(x,y) (x < y ? x : y) 57 #define MAX(x,y) (x > y ? x : y) 58 59 #ifndef ACS_ULCORNER 60 #define ACS_ULCORNER '+' 61 #endif 62 #ifndef ACS_LLCORNER 63 #define ACS_LLCORNER '+' 64 #endif 65 #ifndef ACS_URCORNER 66 #define ACS_URCORNER '+' 67 #endif 68 #ifndef ACS_LRCORNER 69 #define ACS_LRCORNER '+' 70 #endif 71 #ifndef ACS_HLINE 72 #define ACS_HLINE '-' 73 #endif 74 #ifndef ACS_VLINE 75 #define ACS_VLINE '|' 76 #endif 77 #ifndef ACS_LTEE 78 #define ACS_LTEE '+' 79 #endif 80 #ifndef ACS_RTEE 81 #define ACS_RTEE '+' 82 #endif 83 #ifndef ACS_UARROW 84 #define ACS_UARROW '^' 85 #endif 86 #ifndef ACS_DARROW 87 #define ACS_DARROW 'v' 88 #endif 89 90 /* error return codes */ 91 #define ERRDISPLAYTOOSMALL (KEY_MAX + 1) 92 93 /* 94 * Color definitions 95 */ 96 struct dialog_color { 97 chtype atr; /* Color attribute */ 98 int fg; /* foreground */ 99 int bg; /* background */ 100 int hl; /* highlight this item */ 101 }; 102 103 struct dialog_info { 104 const char *backtitle; 105 struct dialog_color screen; 106 struct dialog_color shadow; 107 struct dialog_color dialog; 108 struct dialog_color title; 109 struct dialog_color border; 110 struct dialog_color button_active; 111 struct dialog_color button_inactive; 112 struct dialog_color button_key_active; 113 struct dialog_color button_key_inactive; 114 struct dialog_color button_label_active; 115 struct dialog_color button_label_inactive; 116 struct dialog_color inputbox; 117 struct dialog_color inputbox_border; 118 struct dialog_color searchbox; 119 struct dialog_color searchbox_title; 120 struct dialog_color searchbox_border; 121 struct dialog_color position_indicator; 122 struct dialog_color menubox; 123 struct dialog_color menubox_border; 124 struct dialog_color item; 125 struct dialog_color item_selected; 126 struct dialog_color tag; 127 struct dialog_color tag_selected; 128 struct dialog_color tag_key; 129 struct dialog_color tag_key_selected; 130 struct dialog_color check; 131 struct dialog_color check_selected; 132 struct dialog_color uarrow; 133 struct dialog_color darrow; 134 }; 135 136 /* 137 * Global variables 138 */ 139 extern struct dialog_info dlg; 140 extern char dialog_input_result[]; 141 142 /* 143 * Function prototypes 144 */ 145 146 /* item list as used by checklist and menubox */ 147 void item_reset(void); 148 void item_make(const char *fmt, ...); 149 void item_add_str(const char *fmt, ...); 150 void item_set_tag(char tag); 151 void item_set_data(void *p); 152 void item_set_selected(int val); 153 int item_activate_selected(void); 154 void *item_data(void); 155 char item_tag(void); 156 157 /* item list manipulation for lxdialog use */ 158 #define MAXITEMSTR 200 159 struct dialog_item { 160 char str[MAXITEMSTR]; /* promtp displayed */ 161 char tag; 162 void *data; /* pointer to menu item - used by menubox+checklist */ 163 int selected; /* Set to 1 by dialog_*() function if selected. */ 164 }; 165 166 /* list of lialog_items */ 167 struct dialog_list { 168 struct dialog_item node; 169 struct dialog_list *next; 170 }; 171 172 extern struct dialog_list *item_cur; 173 extern struct dialog_list item_nil; 174 extern struct dialog_list *item_head; 175 176 int item_count(void); 177 void item_set(int n); 178 int item_n(void); 179 const char *item_str(void); 180 int item_is_selected(void); 181 int item_is_tag(char tag); 182 #define item_foreach() \ 183 for (item_cur = item_head ? item_head: item_cur; \ 184 item_cur && (item_cur != &item_nil); item_cur = item_cur->next) 185 186 /* generic key handlers */ 187 int on_key_esc(WINDOW *win); 188 int on_key_resize(void); 189 190 void init_dialog(const char *backtitle); 191 void reset_dialog(void); 192 void end_dialog(void); 193 void attr_clear(WINDOW * win, int height, int width, chtype attr); 194 void dialog_clear(void); 195 void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x); 196 void print_button(WINDOW * win, const char *label, int y, int x, int selected); 197 void print_title(WINDOW *dialog, const char *title, int width); 198 void draw_box(WINDOW * win, int y, int x, int height, int width, chtype box, 199 chtype border); 200 void draw_shadow(WINDOW * win, int y, int x, int height, int width); 201 202 int first_alpha(const char *string, const char *exempt); 203 int dialog_yesno(const char *title, const char *prompt, int height, int width); 204 int dialog_msgbox(const char *title, const char *prompt, int height, 205 int width, int pause); 206 int dialog_textbox(const char *title, const char *file, int height, int width); 207 int dialog_menu(const char *title, const char *prompt, 208 const void *selected, int *s_scroll); 209 int dialog_checklist(const char *title, const char *prompt, int height, 210 int width, int list_height); 211 extern char dialog_input_result[]; 212 int dialog_inputbox(const char *title, const char *prompt, int height, 213 int width, const char *init); 214 215 /* 216 * This is the base for fictitious keys, which activate 217 * the buttons. 218 * 219 * Mouse-generated keys are the following: 220 * -- the first 32 are used as numbers, in addition to '0'-'9' 221 * -- the lowercase are used to signal mouse-enter events (M_EVENT + 'o') 222 * -- uppercase chars are used to invoke the button (M_EVENT + 'O') 223 */ 224 #define M_EVENT (KEY_MAX+1) 225
