nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 Nir Tzachar <nir.tzachar@gmail.com? |
| 3 | * Released under the terms of the GNU GPL v2.0. |
| 4 | * |
| 5 | * Derived from menuconfig. |
| 6 | * |
| 7 | */ |
| 8 | #include "nconf.h" |
| 9 | |
| 10 | /* a list of all the different widgets we use */ |
| 11 | attributes_t attributes[ATTR_MAX+1] = {0}; |
| 12 | |
| 13 | /* available colors: |
| 14 | COLOR_BLACK 0 |
| 15 | COLOR_RED 1 |
| 16 | COLOR_GREEN 2 |
| 17 | COLOR_YELLOW 3 |
| 18 | COLOR_BLUE 4 |
| 19 | COLOR_MAGENTA 5 |
| 20 | COLOR_CYAN 6 |
| 21 | COLOR_WHITE 7 |
| 22 | */ |
Michal Marek | 851190c | 2010-01-07 13:59:57 +0100 | [diff] [blame] | 23 | static void set_normal_colors(void) |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 24 | { |
| 25 | init_pair(NORMAL, -1, -1); |
| 26 | init_pair(MAIN_HEADING, COLOR_MAGENTA, -1); |
| 27 | |
| 28 | /* FORE is for the selected item */ |
| 29 | init_pair(MAIN_MENU_FORE, -1, -1); |
| 30 | /* BACK for all the rest */ |
| 31 | init_pair(MAIN_MENU_BACK, -1, -1); |
| 32 | init_pair(MAIN_MENU_GREY, -1, -1); |
| 33 | init_pair(MAIN_MENU_HEADING, COLOR_GREEN, -1); |
| 34 | init_pair(MAIN_MENU_BOX, COLOR_YELLOW, -1); |
| 35 | |
| 36 | init_pair(SCROLLWIN_TEXT, -1, -1); |
| 37 | init_pair(SCROLLWIN_HEADING, COLOR_GREEN, -1); |
| 38 | init_pair(SCROLLWIN_BOX, COLOR_YELLOW, -1); |
| 39 | |
| 40 | init_pair(DIALOG_TEXT, -1, -1); |
| 41 | init_pair(DIALOG_BOX, COLOR_YELLOW, -1); |
| 42 | init_pair(DIALOG_MENU_BACK, COLOR_YELLOW, -1); |
| 43 | init_pair(DIALOG_MENU_FORE, COLOR_RED, -1); |
| 44 | |
| 45 | init_pair(INPUT_BOX, COLOR_YELLOW, -1); |
| 46 | init_pair(INPUT_HEADING, COLOR_GREEN, -1); |
| 47 | init_pair(INPUT_TEXT, -1, -1); |
| 48 | init_pair(INPUT_FIELD, -1, -1); |
| 49 | |
| 50 | init_pair(FUNCTION_HIGHLIGHT, -1, -1); |
| 51 | init_pair(FUNCTION_TEXT, COLOR_BLUE, -1); |
| 52 | } |
| 53 | |
| 54 | /* available attributes: |
| 55 | A_NORMAL Normal display (no highlight) |
| 56 | A_STANDOUT Best highlighting mode of the terminal. |
| 57 | A_UNDERLINE Underlining |
| 58 | A_REVERSE Reverse video |
| 59 | A_BLINK Blinking |
| 60 | A_DIM Half bright |
| 61 | A_BOLD Extra bright or bold |
| 62 | A_PROTECT Protected mode |
| 63 | A_INVIS Invisible or blank mode |
| 64 | A_ALTCHARSET Alternate character set |
| 65 | A_CHARTEXT Bit-mask to extract a character |
| 66 | COLOR_PAIR(n) Color-pair number n |
| 67 | */ |
Michal Marek | 851190c | 2010-01-07 13:59:57 +0100 | [diff] [blame] | 68 | static void normal_color_theme(void) |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 69 | { |
| 70 | /* automatically add color... */ |
| 71 | #define mkattr(name, attr) do { \ |
| 72 | attributes[name] = attr | COLOR_PAIR(name); } while (0) |
| 73 | mkattr(NORMAL, NORMAL); |
| 74 | mkattr(MAIN_HEADING, A_BOLD | A_UNDERLINE); |
| 75 | |
| 76 | mkattr(MAIN_MENU_FORE, A_REVERSE); |
| 77 | mkattr(MAIN_MENU_BACK, A_NORMAL); |
| 78 | mkattr(MAIN_MENU_GREY, A_NORMAL); |
| 79 | mkattr(MAIN_MENU_HEADING, A_BOLD); |
| 80 | mkattr(MAIN_MENU_BOX, A_NORMAL); |
| 81 | |
| 82 | mkattr(SCROLLWIN_TEXT, A_NORMAL); |
| 83 | mkattr(SCROLLWIN_HEADING, A_BOLD); |
| 84 | mkattr(SCROLLWIN_BOX, A_BOLD); |
| 85 | |
| 86 | mkattr(DIALOG_TEXT, A_BOLD); |
| 87 | mkattr(DIALOG_BOX, A_BOLD); |
| 88 | mkattr(DIALOG_MENU_FORE, A_STANDOUT); |
| 89 | mkattr(DIALOG_MENU_BACK, A_NORMAL); |
| 90 | |
| 91 | mkattr(INPUT_BOX, A_NORMAL); |
| 92 | mkattr(INPUT_HEADING, A_BOLD); |
| 93 | mkattr(INPUT_TEXT, A_NORMAL); |
| 94 | mkattr(INPUT_FIELD, A_UNDERLINE); |
| 95 | |
| 96 | mkattr(FUNCTION_HIGHLIGHT, A_BOLD); |
| 97 | mkattr(FUNCTION_TEXT, A_REVERSE); |
| 98 | } |
| 99 | |
Michal Marek | 851190c | 2010-01-07 13:59:57 +0100 | [diff] [blame] | 100 | static void no_colors_theme(void) |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 101 | { |
| 102 | /* automatically add highlight, no color */ |
| 103 | #define mkattrn(name, attr) { attributes[name] = attr; } |
| 104 | |
| 105 | mkattrn(NORMAL, NORMAL); |
| 106 | mkattrn(MAIN_HEADING, A_BOLD | A_UNDERLINE); |
| 107 | |
| 108 | mkattrn(MAIN_MENU_FORE, A_STANDOUT); |
| 109 | mkattrn(MAIN_MENU_BACK, A_NORMAL); |
| 110 | mkattrn(MAIN_MENU_GREY, A_NORMAL); |
| 111 | mkattrn(MAIN_MENU_HEADING, A_BOLD); |
| 112 | mkattrn(MAIN_MENU_BOX, A_NORMAL); |
| 113 | |
| 114 | mkattrn(SCROLLWIN_TEXT, A_NORMAL); |
| 115 | mkattrn(SCROLLWIN_HEADING, A_BOLD); |
| 116 | mkattrn(SCROLLWIN_BOX, A_BOLD); |
| 117 | |
| 118 | mkattrn(DIALOG_TEXT, A_NORMAL); |
| 119 | mkattrn(DIALOG_BOX, A_BOLD); |
| 120 | mkattrn(DIALOG_MENU_FORE, A_STANDOUT); |
| 121 | mkattrn(DIALOG_MENU_BACK, A_NORMAL); |
| 122 | |
| 123 | mkattrn(INPUT_BOX, A_BOLD); |
| 124 | mkattrn(INPUT_HEADING, A_BOLD); |
| 125 | mkattrn(INPUT_TEXT, A_NORMAL); |
| 126 | mkattrn(INPUT_FIELD, A_UNDERLINE); |
| 127 | |
| 128 | mkattrn(FUNCTION_HIGHLIGHT, A_BOLD); |
| 129 | mkattrn(FUNCTION_TEXT, A_REVERSE); |
| 130 | } |
| 131 | |
| 132 | void set_colors() |
| 133 | { |
| 134 | start_color(); |
| 135 | use_default_colors(); |
| 136 | set_normal_colors(); |
| 137 | if (has_colors()) { |
| 138 | normal_color_theme(); |
| 139 | } else { |
Arnaud Lacombe | c24035b | 2010-08-16 00:19:06 -0400 | [diff] [blame] | 140 | /* give defaults */ |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 141 | no_colors_theme(); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | |
| 146 | /* this changes the windows attributes !!! */ |
| 147 | void print_in_middle(WINDOW *win, |
| 148 | int starty, |
| 149 | int startx, |
| 150 | int width, |
| 151 | const char *string, |
| 152 | chtype color) |
| 153 | { int length, x, y; |
| 154 | float temp; |
| 155 | |
| 156 | |
| 157 | if (win == NULL) |
| 158 | win = stdscr; |
| 159 | getyx(win, y, x); |
| 160 | if (startx != 0) |
| 161 | x = startx; |
| 162 | if (starty != 0) |
| 163 | y = starty; |
| 164 | if (width == 0) |
| 165 | width = 80; |
| 166 | |
| 167 | length = strlen(string); |
| 168 | temp = (width - length) / 2; |
| 169 | x = startx + (int)temp; |
Nir Tzachar | a72f3e2 | 2010-08-08 16:50:06 +0300 | [diff] [blame] | 170 | (void) wattrset(win, color); |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 171 | mvwprintw(win, y, x, "%s", string); |
| 172 | refresh(); |
| 173 | } |
| 174 | |
| 175 | int get_line_no(const char *text) |
| 176 | { |
| 177 | int i; |
| 178 | int total = 1; |
| 179 | |
| 180 | if (!text) |
| 181 | return 0; |
| 182 | |
| 183 | for (i = 0; text[i] != '\0'; i++) |
| 184 | if (text[i] == '\n') |
| 185 | total++; |
| 186 | return total; |
| 187 | } |
| 188 | |
| 189 | const char *get_line(const char *text, int line_no) |
| 190 | { |
| 191 | int i; |
| 192 | int lines = 0; |
| 193 | |
| 194 | if (!text) |
| 195 | return 0; |
| 196 | |
| 197 | for (i = 0; text[i] != '\0' && lines < line_no; i++) |
| 198 | if (text[i] == '\n') |
| 199 | lines++; |
| 200 | return text+i; |
| 201 | } |
| 202 | |
| 203 | int get_line_length(const char *line) |
| 204 | { |
| 205 | int res = 0; |
| 206 | while (*line != '\0' && *line != '\n') { |
| 207 | line++; |
| 208 | res++; |
| 209 | } |
| 210 | return res; |
| 211 | } |
| 212 | |
| 213 | /* print all lines to the window. */ |
| 214 | void fill_window(WINDOW *win, const char *text) |
| 215 | { |
| 216 | int x, y; |
| 217 | int total_lines = get_line_no(text); |
| 218 | int i; |
| 219 | |
| 220 | getmaxyx(win, y, x); |
| 221 | /* do not go over end of line */ |
| 222 | total_lines = min(total_lines, y); |
| 223 | for (i = 0; i < total_lines; i++) { |
| 224 | char tmp[x+10]; |
| 225 | const char *line = get_line(text, i); |
| 226 | int len = get_line_length(line); |
| 227 | strncpy(tmp, line, min(len, x)); |
| 228 | tmp[len] = '\0'; |
Stephen Boyd | 58f915a | 2010-07-23 00:04:14 -0700 | [diff] [blame] | 229 | mvwprintw(win, i, 0, "%s", tmp); |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 230 | } |
| 231 | } |
| 232 | |
| 233 | /* get the message, and buttons. |
| 234 | * each button must be a char* |
| 235 | * return the selected button |
| 236 | * |
| 237 | * this dialog is used for 2 different things: |
| 238 | * 1) show a text box, no buttons. |
| 239 | * 2) show a dialog, with horizontal buttons |
| 240 | */ |
| 241 | int btn_dialog(WINDOW *main_window, const char *msg, int btn_num, ...) |
| 242 | { |
| 243 | va_list ap; |
| 244 | char *btn; |
| 245 | int btns_width = 0; |
| 246 | int msg_lines = 0; |
| 247 | int msg_width = 0; |
| 248 | int total_width; |
| 249 | int win_rows = 0; |
| 250 | WINDOW *win; |
| 251 | WINDOW *msg_win; |
| 252 | WINDOW *menu_win; |
| 253 | MENU *menu; |
| 254 | ITEM *btns[btn_num+1]; |
| 255 | int i, x, y; |
| 256 | int res = -1; |
| 257 | |
| 258 | |
| 259 | va_start(ap, btn_num); |
| 260 | for (i = 0; i < btn_num; i++) { |
| 261 | btn = va_arg(ap, char *); |
| 262 | btns[i] = new_item(btn, ""); |
| 263 | btns_width += strlen(btn)+1; |
| 264 | } |
| 265 | va_end(ap); |
| 266 | btns[btn_num] = NULL; |
| 267 | |
| 268 | /* find the widest line of msg: */ |
| 269 | msg_lines = get_line_no(msg); |
| 270 | for (i = 0; i < msg_lines; i++) { |
| 271 | const char *line = get_line(msg, i); |
| 272 | int len = get_line_length(line); |
| 273 | if (msg_width < len) |
| 274 | msg_width = len; |
| 275 | } |
| 276 | |
| 277 | total_width = max(msg_width, btns_width); |
| 278 | /* place dialog in middle of screen */ |
| 279 | y = (LINES-(msg_lines+4))/2; |
| 280 | x = (COLS-(total_width+4))/2; |
| 281 | |
| 282 | |
| 283 | /* create the windows */ |
| 284 | if (btn_num > 0) |
| 285 | win_rows = msg_lines+4; |
| 286 | else |
| 287 | win_rows = msg_lines+2; |
| 288 | |
| 289 | win = newwin(win_rows, total_width+4, y, x); |
| 290 | keypad(win, TRUE); |
| 291 | menu_win = derwin(win, 1, btns_width, win_rows-2, |
| 292 | 1+(total_width+2-btns_width)/2); |
| 293 | menu = new_menu(btns); |
| 294 | msg_win = derwin(win, win_rows-2, msg_width, 1, |
| 295 | 1+(total_width+2-msg_width)/2); |
| 296 | |
| 297 | set_menu_fore(menu, attributes[DIALOG_MENU_FORE]); |
| 298 | set_menu_back(menu, attributes[DIALOG_MENU_BACK]); |
| 299 | |
Nir Tzachar | a72f3e2 | 2010-08-08 16:50:06 +0300 | [diff] [blame] | 300 | (void) wattrset(win, attributes[DIALOG_BOX]); |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 301 | box(win, 0, 0); |
| 302 | |
| 303 | /* print message */ |
Nir Tzachar | a72f3e2 | 2010-08-08 16:50:06 +0300 | [diff] [blame] | 304 | (void) wattrset(msg_win, attributes[DIALOG_TEXT]); |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 305 | fill_window(msg_win, msg); |
| 306 | |
| 307 | set_menu_win(menu, win); |
| 308 | set_menu_sub(menu, menu_win); |
| 309 | set_menu_format(menu, 1, btn_num); |
| 310 | menu_opts_off(menu, O_SHOWDESC); |
| 311 | menu_opts_off(menu, O_SHOWMATCH); |
| 312 | menu_opts_on(menu, O_ONEVALUE); |
| 313 | menu_opts_on(menu, O_NONCYCLIC); |
| 314 | set_menu_mark(menu, ""); |
| 315 | post_menu(menu); |
| 316 | |
| 317 | |
| 318 | touchwin(win); |
| 319 | refresh_all_windows(main_window); |
| 320 | while ((res = wgetch(win))) { |
| 321 | switch (res) { |
| 322 | case KEY_LEFT: |
| 323 | menu_driver(menu, REQ_LEFT_ITEM); |
| 324 | break; |
| 325 | case KEY_RIGHT: |
| 326 | menu_driver(menu, REQ_RIGHT_ITEM); |
| 327 | break; |
| 328 | case 10: /* ENTER */ |
| 329 | case 27: /* ESCAPE */ |
| 330 | case ' ': |
| 331 | case KEY_F(F_BACK): |
| 332 | case KEY_F(F_EXIT): |
| 333 | break; |
| 334 | } |
| 335 | touchwin(win); |
| 336 | refresh_all_windows(main_window); |
| 337 | |
| 338 | if (res == 10 || res == ' ') { |
| 339 | res = item_index(current_item(menu)); |
| 340 | break; |
| 341 | } else if (res == 27 || res == KEY_F(F_BACK) || |
| 342 | res == KEY_F(F_EXIT)) { |
| 343 | res = KEY_EXIT; |
| 344 | break; |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | unpost_menu(menu); |
| 349 | free_menu(menu); |
| 350 | for (i = 0; i < btn_num; i++) |
| 351 | free_item(btns[i]); |
| 352 | |
| 353 | delwin(win); |
| 354 | return res; |
| 355 | } |
| 356 | |
| 357 | int dialog_inputbox(WINDOW *main_window, |
| 358 | const char *title, const char *prompt, |
| 359 | const char *init, char *result, int result_len) |
| 360 | { |
| 361 | int prompt_lines = 0; |
| 362 | int prompt_width = 0; |
| 363 | WINDOW *win; |
| 364 | WINDOW *prompt_win; |
| 365 | WINDOW *form_win; |
| 366 | PANEL *panel; |
| 367 | int i, x, y; |
| 368 | int res = -1; |
| 369 | int cursor_position = strlen(init); |
| 370 | |
| 371 | |
| 372 | /* find the widest line of msg: */ |
| 373 | prompt_lines = get_line_no(prompt); |
| 374 | for (i = 0; i < prompt_lines; i++) { |
| 375 | const char *line = get_line(prompt, i); |
| 376 | int len = get_line_length(line); |
| 377 | prompt_width = max(prompt_width, len); |
| 378 | } |
| 379 | |
| 380 | if (title) |
| 381 | prompt_width = max(prompt_width, strlen(title)); |
| 382 | |
| 383 | /* place dialog in middle of screen */ |
| 384 | y = (LINES-(prompt_lines+4))/2; |
| 385 | x = (COLS-(prompt_width+4))/2; |
| 386 | |
| 387 | strncpy(result, init, result_len); |
| 388 | |
| 389 | /* create the windows */ |
| 390 | win = newwin(prompt_lines+6, prompt_width+7, y, x); |
| 391 | prompt_win = derwin(win, prompt_lines+1, prompt_width, 2, 2); |
| 392 | form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2); |
| 393 | keypad(form_win, TRUE); |
| 394 | |
Nir Tzachar | a72f3e2 | 2010-08-08 16:50:06 +0300 | [diff] [blame] | 395 | (void) wattrset(form_win, attributes[INPUT_FIELD]); |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 396 | |
Nir Tzachar | a72f3e2 | 2010-08-08 16:50:06 +0300 | [diff] [blame] | 397 | (void) wattrset(win, attributes[INPUT_BOX]); |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 398 | box(win, 0, 0); |
Nir Tzachar | a72f3e2 | 2010-08-08 16:50:06 +0300 | [diff] [blame] | 399 | (void) wattrset(win, attributes[INPUT_HEADING]); |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 400 | if (title) |
| 401 | mvwprintw(win, 0, 3, "%s", title); |
| 402 | |
| 403 | /* print message */ |
Nir Tzachar | a72f3e2 | 2010-08-08 16:50:06 +0300 | [diff] [blame] | 404 | (void) wattrset(prompt_win, attributes[INPUT_TEXT]); |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 405 | fill_window(prompt_win, prompt); |
| 406 | |
| 407 | mvwprintw(form_win, 0, 0, "%*s", prompt_width, " "); |
| 408 | mvwprintw(form_win, 0, 0, "%s", result); |
| 409 | |
| 410 | /* create panels */ |
| 411 | panel = new_panel(win); |
| 412 | |
| 413 | /* show the cursor */ |
| 414 | curs_set(1); |
| 415 | |
| 416 | touchwin(win); |
| 417 | refresh_all_windows(main_window); |
| 418 | while ((res = wgetch(form_win))) { |
| 419 | int len = strlen(result); |
| 420 | switch (res) { |
| 421 | case 10: /* ENTER */ |
| 422 | case 27: /* ESCAPE */ |
| 423 | case KEY_F(F_HELP): |
| 424 | case KEY_F(F_EXIT): |
| 425 | case KEY_F(F_BACK): |
| 426 | break; |
| 427 | case 127: |
| 428 | case KEY_BACKSPACE: |
| 429 | if (cursor_position > 0) { |
| 430 | memmove(&result[cursor_position-1], |
| 431 | &result[cursor_position], |
| 432 | len-cursor_position+1); |
| 433 | cursor_position--; |
| 434 | } |
| 435 | break; |
| 436 | case KEY_DC: |
| 437 | if (cursor_position >= 0 && cursor_position < len) { |
| 438 | memmove(&result[cursor_position], |
| 439 | &result[cursor_position+1], |
| 440 | len-cursor_position+1); |
| 441 | } |
| 442 | break; |
| 443 | case KEY_UP: |
| 444 | case KEY_RIGHT: |
| 445 | if (cursor_position < len && |
| 446 | cursor_position < min(result_len, prompt_width)) |
| 447 | cursor_position++; |
| 448 | break; |
| 449 | case KEY_DOWN: |
| 450 | case KEY_LEFT: |
| 451 | if (cursor_position > 0) |
| 452 | cursor_position--; |
| 453 | break; |
| 454 | default: |
| 455 | if ((isgraph(res) || isspace(res)) && |
| 456 | len-2 < result_len) { |
| 457 | /* insert the char at the proper position */ |
| 458 | memmove(&result[cursor_position+1], |
| 459 | &result[cursor_position], |
| 460 | len+1); |
| 461 | result[cursor_position] = res; |
| 462 | cursor_position++; |
| 463 | } else { |
Cheng Renquan | 4e24dbf | 2011-09-01 10:52:18 -0700 | [diff] [blame^] | 464 | mvprintw(0, 0, "unknown key: %d\n", res); |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 465 | } |
| 466 | break; |
| 467 | } |
| 468 | wmove(form_win, 0, 0); |
| 469 | wclrtoeol(form_win); |
| 470 | mvwprintw(form_win, 0, 0, "%*s", prompt_width, " "); |
| 471 | mvwprintw(form_win, 0, 0, "%s", result); |
| 472 | wmove(form_win, 0, cursor_position); |
| 473 | touchwin(win); |
| 474 | refresh_all_windows(main_window); |
| 475 | |
| 476 | if (res == 10) { |
| 477 | res = 0; |
| 478 | break; |
| 479 | } else if (res == 27 || res == KEY_F(F_BACK) || |
| 480 | res == KEY_F(F_EXIT)) { |
| 481 | res = KEY_EXIT; |
| 482 | break; |
| 483 | } else if (res == KEY_F(F_HELP)) { |
| 484 | res = 1; |
| 485 | break; |
| 486 | } |
| 487 | } |
| 488 | |
| 489 | /* hide the cursor */ |
| 490 | curs_set(0); |
| 491 | del_panel(panel); |
| 492 | delwin(prompt_win); |
| 493 | delwin(form_win); |
| 494 | delwin(win); |
| 495 | return res; |
| 496 | } |
| 497 | |
| 498 | /* refresh all windows in the correct order */ |
| 499 | void refresh_all_windows(WINDOW *main_window) |
| 500 | { |
| 501 | update_panels(); |
| 502 | touchwin(main_window); |
| 503 | refresh(); |
| 504 | } |
| 505 | |
| 506 | /* layman's scrollable window... */ |
| 507 | void show_scroll_win(WINDOW *main_window, |
| 508 | const char *title, |
| 509 | const char *text) |
| 510 | { |
| 511 | int res; |
| 512 | int total_lines = get_line_no(text); |
| 513 | int x, y; |
| 514 | int start_x = 0, start_y = 0; |
| 515 | int text_lines = 0, text_cols = 0; |
| 516 | int total_cols = 0; |
| 517 | int win_cols = 0; |
| 518 | int win_lines = 0; |
| 519 | int i = 0; |
| 520 | WINDOW *win; |
| 521 | WINDOW *pad; |
| 522 | PANEL *panel; |
| 523 | |
| 524 | /* find the widest line of msg: */ |
| 525 | total_lines = get_line_no(text); |
| 526 | for (i = 0; i < total_lines; i++) { |
| 527 | const char *line = get_line(text, i); |
| 528 | int len = get_line_length(line); |
| 529 | total_cols = max(total_cols, len+2); |
| 530 | } |
| 531 | |
| 532 | /* create the pad */ |
| 533 | pad = newpad(total_lines+10, total_cols+10); |
Nir Tzachar | a72f3e2 | 2010-08-08 16:50:06 +0300 | [diff] [blame] | 534 | (void) wattrset(pad, attributes[SCROLLWIN_TEXT]); |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 535 | fill_window(pad, text); |
| 536 | |
| 537 | win_lines = min(total_lines+4, LINES-2); |
| 538 | win_cols = min(total_cols+2, COLS-2); |
| 539 | text_lines = max(win_lines-4, 0); |
| 540 | text_cols = max(win_cols-2, 0); |
| 541 | |
| 542 | /* place window in middle of screen */ |
| 543 | y = (LINES-win_lines)/2; |
| 544 | x = (COLS-win_cols)/2; |
| 545 | |
| 546 | win = newwin(win_lines, win_cols, y, x); |
| 547 | keypad(win, TRUE); |
| 548 | /* show the help in the help window, and show the help panel */ |
Nir Tzachar | a72f3e2 | 2010-08-08 16:50:06 +0300 | [diff] [blame] | 549 | (void) wattrset(win, attributes[SCROLLWIN_BOX]); |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 550 | box(win, 0, 0); |
Nir Tzachar | a72f3e2 | 2010-08-08 16:50:06 +0300 | [diff] [blame] | 551 | (void) wattrset(win, attributes[SCROLLWIN_HEADING]); |
nir.tzachar@gmail.com | 692d97c | 2009-11-25 12:28:43 +0200 | [diff] [blame] | 552 | mvwprintw(win, 0, 3, " %s ", title); |
| 553 | panel = new_panel(win); |
| 554 | |
| 555 | /* handle scrolling */ |
| 556 | do { |
| 557 | |
| 558 | copywin(pad, win, start_y, start_x, 2, 2, text_lines, |
| 559 | text_cols, 0); |
| 560 | print_in_middle(win, |
| 561 | text_lines+2, |
| 562 | 0, |
| 563 | text_cols, |
| 564 | "<OK>", |
| 565 | attributes[DIALOG_MENU_FORE]); |
| 566 | wrefresh(win); |
| 567 | |
| 568 | res = wgetch(win); |
| 569 | switch (res) { |
| 570 | case KEY_NPAGE: |
| 571 | case ' ': |
| 572 | start_y += text_lines-2; |
| 573 | break; |
| 574 | case KEY_PPAGE: |
| 575 | start_y -= text_lines+2; |
| 576 | break; |
| 577 | case KEY_HOME: |
| 578 | start_y = 0; |
| 579 | break; |
| 580 | case KEY_END: |
| 581 | start_y = total_lines-text_lines; |
| 582 | break; |
| 583 | case KEY_DOWN: |
| 584 | case 'j': |
| 585 | start_y++; |
| 586 | break; |
| 587 | case KEY_UP: |
| 588 | case 'k': |
| 589 | start_y--; |
| 590 | break; |
| 591 | case KEY_LEFT: |
| 592 | case 'h': |
| 593 | start_x--; |
| 594 | break; |
| 595 | case KEY_RIGHT: |
| 596 | case 'l': |
| 597 | start_x++; |
| 598 | break; |
| 599 | } |
| 600 | if (res == 10 || res == 27 || res == 'q' |
| 601 | || res == KEY_F(F_BACK) || res == KEY_F(F_EXIT)) { |
| 602 | break; |
| 603 | } |
| 604 | if (start_y < 0) |
| 605 | start_y = 0; |
| 606 | if (start_y >= total_lines-text_lines) |
| 607 | start_y = total_lines-text_lines; |
| 608 | if (start_x < 0) |
| 609 | start_x = 0; |
| 610 | if (start_x >= total_cols-text_cols) |
| 611 | start_x = total_cols-text_cols; |
| 612 | } while (res); |
| 613 | |
| 614 | del_panel(panel); |
| 615 | delwin(win); |
| 616 | refresh_all_windows(main_window); |
| 617 | } |