filelist_view.c 20 KB

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  1. /*
  2. * File : filelist_view.c
  3. * This file is part of RTGUI in RT-Thread RTOS
  4. * COPYRIGHT (C) 2010, RT-Thread Development Team
  5. *
  6. * The license and distribution terms for this file may be
  7. * found in the file LICENSE in this distribution or at
  8. * http://www.rt-thread.org/license/LICENSE
  9. *
  10. * Change Logs:
  11. * Date Author Notes
  12. * 2010-01-06 Bernard first version
  13. */
  14. #include <rtgui/rtgui_object.h>
  15. #include <rtgui/rtgui_system.h>
  16. #include <rtgui/rtgui_theme.h>
  17. #include <rtgui/rtgui_app.h>
  18. #include <rtgui/list.h>
  19. #include <rtgui/image.h>
  20. #include <rtgui/widgets/container.h>
  21. #include <rtgui/widgets/filelist_view.h>
  22. #include <rtgui/widgets/listbox.h>
  23. #include <rtgui/widgets/window.h>
  24. #if defined(RTGUI_USING_DFS_FILERW) || defined(RTGUI_USING_STDIO_FILERW)
  25. #ifdef _WIN32
  26. #include <io.h>
  27. #include <dirent.h>
  28. #include <sys/stat.h>
  29. #define PATH_SEPARATOR '\\'
  30. #else
  31. #include <dfs_posix.h>
  32. #define PATH_SEPARATOR '/'
  33. #endif
  34. #include <string.h>
  35. #define RTGUI_FILELIST_MARGIN 5
  36. const static char * file_xpm[] = {
  37. "16 16 21 1",
  38. " c None",
  39. ". c #999999",
  40. "+ c #818181",
  41. "@ c #FFFFFF",
  42. "# c #ECECEC",
  43. "$ c #EAEAEA",
  44. "% c #EBEBEB",
  45. "& c #EDEDED",
  46. "* c #F0F0F0",
  47. "= c #C4C4C4",
  48. "- c #C5C5C5",
  49. "; c #C6C6C6",
  50. "> c #C7C7C7",
  51. ", c #EEEEEE",
  52. "' c #EDEDE5",
  53. ") c #EDEDE6",
  54. "! c #EFEFEF",
  55. "~ c #C8C8C8",
  56. "{ c #F1F1F1",
  57. "] c #F2F2F2",
  58. "^ c #959595",
  59. ".++++++++++++ ",
  60. "+@@@@@@@@@@@@+ ",
  61. "+@#$$%%%##&*@+ ",
  62. "+@$=--;;;;>*@+ ",
  63. "+@$%%###&&,*@+ ",
  64. "+@%-;;;;;;>*@+ ",
  65. "+@%%##&&'#,*@+ ",
  66. "+@%;;;;,,),*@+ ",
  67. "+@##&&,,!!!*@+ ",
  68. "+@#;;;>>~~~*@+ ",
  69. "+@#&,,!!*{{{@+ ",
  70. "+@&;>>~~~{{]@+ ",
  71. "+@&&,!!**{]]@+ ",
  72. "+@@@@@@@@@@@@+ ",
  73. "^++++++++++++^ ",
  74. " "};
  75. const static char * folder_xpm[] = {
  76. "16 16 121 2",
  77. " c None",
  78. ". c #D9B434",
  79. "+ c #E1C25E",
  80. "@ c #E2C360",
  81. "# c #E2C35F",
  82. "$ c #DBB63C",
  83. "% c #DAB336",
  84. "& c #FEFEFD",
  85. "* c #FFFFFE",
  86. "= c #FFFEFE",
  87. "- c #FFFEFD",
  88. "; c #FBF7EA",
  89. "> c #E4C76B",
  90. ", c #E3C76B",
  91. "' c #E6CD79",
  92. ") c #E5CA74",
  93. "! c #DAAF35",
  94. "~ c #FEFCF7",
  95. "{ c #F8E48E",
  96. "] c #F5DE91",
  97. "^ c #F5E09F",
  98. "/ c #F6E1AC",
  99. "( c #FEFBEF",
  100. "_ c #FEFDF4",
  101. ": c #FEFCF3",
  102. "< c #FEFCF1",
  103. "[ c #FEFBEE",
  104. "} c #FFFDFA",
  105. "| c #DAAF36",
  106. "1 c #DAAA36",
  107. "2 c #FDFAF1",
  108. "3 c #F5DE94",
  109. "4 c #F4DC93",
  110. "5 c #F2D581",
  111. "6 c #EDCA6A",
  112. "7 c #EACB6C",
  113. "8 c #EFD385",
  114. "9 c #EFD280",
  115. "0 c #EFD07A",
  116. "a c #EECF76",
  117. "b c #EECF72",
  118. "c c #FBF7E9",
  119. "d c #DAAE34",
  120. "e c #DAAB35",
  121. "f c #FBF6E8",
  122. "g c #EFD494",
  123. "h c #EECE88",
  124. "i c #E9C173",
  125. "j c #F6E9C9",
  126. "k c #FEFCF2",
  127. "l c #FEFCF0",
  128. "m c #DAAB36",
  129. "n c #DAA637",
  130. "o c #FFFDF8",
  131. "p c #FFFDF6",
  132. "q c #FFFCF5",
  133. "r c #FCF6D8",
  134. "s c #F8E694",
  135. "t c #F7E385",
  136. "u c #F6DF76",
  137. "v c #F5DB68",
  138. "w c #F4D85C",
  139. "x c #FCF4D7",
  140. "y c #DAA435",
  141. "z c #DAA136",
  142. "A c #FEFCF6",
  143. "B c #FCF2C8",
  144. "C c #FBEFB9",
  145. "D c #FAECAC",
  146. "E c #F9E89C",
  147. "F c #F7E38B",
  148. "G c #F6E07C",
  149. "H c #F6DC6C",
  150. "I c #F5D95D",
  151. "J c #F4D64F",
  152. "K c #F3D344",
  153. "L c #FCF3D0",
  154. "M c #DA9F35",
  155. "N c #DA9A36",
  156. "O c #FDFAF2",
  157. "P c #FAEDB3",
  158. "Q c #F9E9A4",
  159. "R c #F8E695",
  160. "S c #F7E285",
  161. "T c #F6DE76",
  162. "U c #F5DB65",
  163. "V c #F4D757",
  164. "W c #F3D449",
  165. "X c #F2D13B",
  166. "Y c #F1CE30",
  167. "Z c #FBF2CC",
  168. "` c #DA9835",
  169. " . c #DA9435",
  170. ".. c #FEFAEF",
  171. "+. c #F9E9A1",
  172. "@. c #F8E591",
  173. "#. c #F7E181",
  174. "$. c #F6DE72",
  175. "%. c #F5DA63",
  176. "&. c #F4D754",
  177. "*. c #F3D347",
  178. "=. c #F2D039",
  179. "-. c #F1CD2E",
  180. ";. c #F0CB26",
  181. ">. c #FBF2CA",
  182. ",. c #D98E33",
  183. "'. c #FAF0DC",
  184. "). c #F4DDA7",
  185. "!. c #F4DB9E",
  186. "~. c #F3DA96",
  187. "{. c #F3D88E",
  188. "]. c #F3D786",
  189. "^. c #F2D47F",
  190. "/. c #F2D379",
  191. "(. c #F1D272",
  192. "_. c #F1D06C",
  193. ":. c #F1CF69",
  194. "<. c #F8EAC2",
  195. "[. c #D8882D",
  196. "}. c #D8872D",
  197. "|. c #D8862C",
  198. " ",
  199. " ",
  200. " ",
  201. " . + @ @ @ # $ ",
  202. " % & * = - * ; > , , , ' ) ",
  203. " ! ~ { ] ^ / ( _ : < ( [ } | ",
  204. " 1 2 3 4 5 6 7 8 9 0 a b c d ",
  205. " e f g h i j k : k l ( [ * m ",
  206. " n * o p q : r s t u v w x y ",
  207. " z A B C D E F G H I J K L M ",
  208. " N O P Q R S T U V W X Y Z ` ",
  209. " ...+.@.#.$.%.&.*.=.-.;.>. . ",
  210. " ,.'.).!.~.{.].^./.(._.:.<.,. ",
  211. " [.}.[.[.[.[.[.[.[.[.}.[.|. ",
  212. " ",
  213. " "};
  214. /* image for file and folder */
  215. static rtgui_image_t *file_image, *folder_image;
  216. static struct rtgui_listbox_item items[] =
  217. {
  218. #ifdef RTGUI_USING_FONTHZ
  219. {"şţôË�`Á§�Ë", RT_NULL},
  220. {"íĄŚv�`Á§�Ë", RT_NULL},
  221. {"ŘXµĚ", RT_NULL}
  222. #else
  223. {"Open folder", RT_NULL},
  224. {"Select folder", RT_NULL},
  225. {"Cancel", RT_NULL}
  226. #endif
  227. };
  228. static void rtgui_filelist_view_clear(rtgui_filelist_view_t* view);
  229. static rt_bool_t rtgui_filelist_view_on_folder_item(rtgui_object_t* object, struct rtgui_event* event)
  230. {
  231. rtgui_win_t *menu;
  232. rtgui_listbox_t *listbox;
  233. rtgui_filelist_view_t *view;
  234. listbox = RTGUI_LISTBOX(object);
  235. menu = RTGUI_WIN(rtgui_widget_get_toplevel(RTGUI_WIDGET(object)));
  236. view = RTGUI_FILELIST_VIEW(menu->user_data);
  237. /* hide window */
  238. rtgui_win_hiden(menu);
  239. switch (listbox->current_item)
  240. {
  241. case 0:
  242. {
  243. char* dir_ptr;
  244. /* destroy menu window */
  245. rtgui_win_destroy(menu);
  246. dir_ptr = (char*) rtgui_malloc (256);
  247. rtgui_filelist_view_get_fullpath(view, dir_ptr, 256);
  248. rtgui_filelist_view_set_directory(view, dir_ptr);
  249. rt_free(dir_ptr);
  250. }
  251. break;
  252. case 1:
  253. /* destroy menu window */
  254. rtgui_win_destroy(menu);
  255. break;
  256. default:
  257. /* destroy menu window */
  258. rtgui_win_destroy(menu);
  259. break;
  260. }
  261. return RT_TRUE;
  262. }
  263. static rt_bool_t rtgui_filelist_view_on_menu_deactivate(rtgui_object_t* object, struct rtgui_event* event)
  264. {
  265. rtgui_win_t *menu;
  266. menu = RTGUI_WIN(rtgui_widget_get_toplevel(RTGUI_WIDGET(object)));
  267. /* destroy menu window */
  268. rtgui_win_destroy(menu);
  269. return RT_TRUE;
  270. }
  271. static void rtgui_filelist_view_menu_pop(rtgui_widget_t *parent)
  272. {
  273. rtgui_win_t *menu;
  274. rtgui_listbox_t *listbox;
  275. rtgui_rect_t screen, rect = {0, 0, 140, 85};
  276. rtgui_graphic_driver_get_rect(rtgui_graphic_driver_get_default(), &screen);
  277. rtgui_rect_moveto_align(&screen, &rect, RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
  278. menu = rtgui_win_create(RTGUI_WIN(rtgui_widget_get_toplevel(parent)),
  279. "Folder Menu", &rect, RTGUI_WIN_STYLE_DEFAULT);
  280. if (menu != RT_NULL)
  281. {
  282. /* set user data on menu window */
  283. menu->user_data = (rt_uint32_t)parent;
  284. rtgui_win_set_ondeactivate(menu, rtgui_filelist_view_on_menu_deactivate);
  285. listbox = rtgui_listbox_create(items, sizeof(items)/sizeof(items[0]), &rect);
  286. rtgui_listbox_set_onitem(listbox, rtgui_filelist_view_on_folder_item);
  287. rtgui_container_add_child(RTGUI_CONTAINER(menu), RTGUI_WIDGET(listbox));
  288. rtgui_win_show(menu, RT_FALSE);
  289. rtgui_widget_focus(RTGUI_WIDGET(listbox));
  290. rtgui_listbox_set_current_item(listbox, 0);
  291. }
  292. }
  293. static void _rtgui_filelist_view_constructor(struct rtgui_filelist_view *view)
  294. {
  295. /* default rect */
  296. struct rtgui_rect rect = {0, 0, 200, 200};
  297. /* set default widget rect and set event handler */
  298. rtgui_object_set_event_handler(RTGUI_OBJECT(view), rtgui_filelist_view_event_handler);
  299. rtgui_widget_set_rect(RTGUI_WIDGET(view), &rect);
  300. RTGUI_WIDGET(view)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE;
  301. view->current_item = 0;
  302. view->items_count = 0;
  303. view->page_items = 0;
  304. view->current_directory = RT_NULL;
  305. view->pattern = RT_NULL;
  306. RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(view)) = white;
  307. RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(view)) = RTGUI_ALIGN_CENTER_VERTICAL;
  308. file_image = rtgui_image_create_from_mem("xpm",
  309. (rt_uint8_t*)file_xpm, sizeof(file_xpm), RT_TRUE);
  310. folder_image = rtgui_image_create_from_mem("xpm",
  311. (rt_uint8_t*)folder_xpm, sizeof(folder_xpm), RT_TRUE);
  312. }
  313. static void _rtgui_filelist_view_destructor(struct rtgui_filelist_view *view)
  314. {
  315. /* delete all file items */
  316. rtgui_filelist_view_clear(view);
  317. /* delete current directory and pattern */
  318. rtgui_free(view->current_directory); view->current_directory = RT_NULL;
  319. rtgui_free(view->pattern); view->pattern = RT_NULL;
  320. /* delete image */
  321. rtgui_image_destroy(file_image);
  322. rtgui_image_destroy(folder_image);
  323. }
  324. DEFINE_CLASS_TYPE(filelist, "filelist",
  325. RTGUI_CONTAINER_TYPE,
  326. _rtgui_filelist_view_constructor,
  327. _rtgui_filelist_view_destructor,
  328. sizeof(struct rtgui_filelist_view));
  329. void rtgui_filelist_view_ondraw(struct rtgui_filelist_view* view)
  330. {
  331. struct rtgui_dc* dc;
  332. rt_uint16_t page_index, index;
  333. struct rtgui_file_item* item;
  334. struct rtgui_rect rect, item_rect, image_rect;
  335. dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(view));
  336. if (dc == RT_NULL) return;
  337. rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
  338. rtgui_dc_fill_rect(dc, &rect);
  339. /* get item base rect */
  340. item_rect = rect;
  341. item_rect.y1 += 1;
  342. item_rect.y2 = item_rect.y1 + (1 + rtgui_theme_get_selected_height());
  343. /* get image base rect */
  344. image_rect.x1 = RTGUI_FILELIST_MARGIN; image_rect.y1 = 0;
  345. image_rect.x2 = RTGUI_FILELIST_MARGIN + file_image->w; image_rect.y2 = file_image->h;
  346. rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
  347. /* get current page */
  348. page_index = (view->current_item / view->page_items) * view->page_items;
  349. for (index = 0; index < view->page_items; index ++)
  350. {
  351. if (page_index + index >= view->items_count) break;
  352. item = &(view->items[page_index + index]);
  353. if (page_index + index == view->current_item)
  354. {
  355. rtgui_theme_draw_selected(dc, &item_rect);
  356. }
  357. else
  358. {
  359. /* draw background */
  360. rtgui_dc_fill_rect(dc, &item_rect);
  361. }
  362. /* draw item */
  363. if (item->type == RTGUI_FITEM_FILE)
  364. rtgui_image_blit(file_image, dc, &image_rect);
  365. else
  366. rtgui_image_blit(folder_image, dc, &image_rect);
  367. /* draw text */
  368. item_rect.x1 += RTGUI_FILELIST_MARGIN + file_image->w + 2;
  369. rtgui_dc_draw_text(dc, item->name, &item_rect);
  370. item_rect.x1 -= RTGUI_FILELIST_MARGIN + file_image->w + 2;
  371. /* move to next item position */
  372. item_rect.y1 += (rtgui_theme_get_selected_height() + 1);
  373. item_rect.y2 += (rtgui_theme_get_selected_height() + 1);
  374. image_rect.y1 += (rtgui_theme_get_selected_height() + 1);
  375. image_rect.y2 += (rtgui_theme_get_selected_height() + 1);
  376. }
  377. rtgui_dc_end_drawing(dc);
  378. }
  379. void rtgui_filelist_view_update_current(struct rtgui_filelist_view* view, rt_uint16_t old_item)
  380. {
  381. struct rtgui_dc* dc;
  382. struct rtgui_file_item* item;
  383. rtgui_rect_t rect, item_rect, image_rect;
  384. if (old_item/view->page_items != view->current_item/view->page_items)
  385. {
  386. /* it's not a same page, update all */
  387. rtgui_widget_update(RTGUI_WIDGET(view));
  388. return;
  389. }
  390. dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(view));
  391. if (dc == RT_NULL) return;
  392. rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
  393. /* get old item rect */
  394. item_rect = rect;
  395. item_rect.y1 += 1;
  396. item_rect.y1 += (old_item % view->page_items) * (1 + rtgui_theme_get_selected_height());
  397. item_rect.y2 = item_rect.y1 + (1 + rtgui_theme_get_selected_height());
  398. /* get image rect */
  399. image_rect.x1 = RTGUI_FILELIST_MARGIN; image_rect.y1 = 0;
  400. image_rect.x2 = RTGUI_FILELIST_MARGIN + file_image->w; image_rect.y2 = file_image->h;
  401. rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
  402. /* draw old item */
  403. rtgui_dc_fill_rect(dc, &item_rect);
  404. item = &(view->items[old_item]);
  405. if (item->type == RTGUI_FITEM_FILE) /* draw item image */
  406. rtgui_image_blit(file_image, dc, &image_rect);
  407. else
  408. rtgui_image_blit(folder_image, dc, &image_rect);
  409. item_rect.x1 += RTGUI_FILELIST_MARGIN + file_image->w + 2;
  410. rtgui_dc_draw_text(dc, item->name, &item_rect);
  411. /* draw current item */
  412. item_rect = rect;
  413. item_rect.y1 += 1;
  414. item_rect.y1 += (view->current_item % view->page_items) * (1 + rtgui_theme_get_selected_height());
  415. item_rect.y2 = item_rect.y1 + (1 + rtgui_theme_get_selected_height());
  416. rtgui_theme_draw_selected(dc, &item_rect);
  417. /* get image base rect */
  418. image_rect.x1 = RTGUI_FILELIST_MARGIN; image_rect.y1 = 0;
  419. image_rect.x2 = RTGUI_FILELIST_MARGIN + file_image->w; image_rect.y2 = file_image->h;
  420. rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
  421. item = &(view->items[view->current_item]);
  422. if (item->type == RTGUI_FITEM_FILE) /* draw item image */
  423. rtgui_image_blit(file_image, dc, &image_rect);
  424. else
  425. rtgui_image_blit(folder_image, dc, &image_rect);
  426. item_rect.x1 += RTGUI_FILELIST_MARGIN + file_image->w + 2;
  427. rtgui_dc_draw_text(dc, item->name, &item_rect);
  428. rtgui_dc_end_drawing(dc);
  429. }
  430. static void rtgui_filelist_view_onenturn(struct rtgui_filelist_view* view)
  431. {
  432. if (view->items[view->current_item].type == RTGUI_FITEM_DIR)
  433. {
  434. char new_path[64];
  435. if (strcmp(view->items[view->current_item].name, ".") == 0) return ;
  436. if (strcmp(view->items[view->current_item].name, "..") == 0)
  437. {
  438. char *ptr;
  439. ptr = strrchr(view->current_directory, PATH_SEPARATOR);
  440. if (ptr == RT_NULL) return ;
  441. if (ptr == &(view->current_directory[0]))
  442. {
  443. /* it's root directory */
  444. new_path[0] = PATH_SEPARATOR;
  445. new_path[1] = '\0';
  446. }
  447. else
  448. {
  449. strncpy(new_path, view->current_directory, ptr - view->current_directory + 1);
  450. new_path[ptr - view->current_directory] = '\0';
  451. }
  452. }
  453. else if (view->current_item == 0 &&
  454. #ifdef _WIN32
  455. (view->current_directory[1] == ':') && (view->current_directory[2] == '\\')
  456. #else
  457. (view->current_directory[0] == '/') && (view->current_directory[1] == '\0')
  458. #endif
  459. )
  460. {
  461. rtgui_filelist_view_destroy(view);
  462. return ;
  463. }
  464. else
  465. {
  466. rtgui_filelist_view_menu_pop(RTGUI_WIDGET(view));
  467. return ;
  468. }
  469. rtgui_filelist_view_set_directory(view, new_path);
  470. }
  471. }
  472. rt_bool_t rtgui_filelist_view_event_handler(struct rtgui_object* object, struct rtgui_event* event)
  473. {
  474. struct rtgui_widget *widget;
  475. struct rtgui_filelist_view* view = RT_NULL;
  476. widget = RTGUI_WIDGET(object);
  477. view = RTGUI_FILELIST_VIEW(widget);
  478. switch (event->type)
  479. {
  480. case RTGUI_EVENT_PAINT:
  481. rtgui_filelist_view_ondraw(view);
  482. return RT_FALSE;
  483. case RTGUI_EVENT_RESIZE:
  484. {
  485. struct rtgui_event_resize* resize;
  486. resize = (struct rtgui_event_resize*)event;
  487. /* recalculate page items */
  488. if (file_image != RT_NULL)
  489. view->page_items = resize->h / (1 + rtgui_theme_get_selected_height());
  490. else
  491. view->page_items = resize->h / (2 + 14);
  492. }
  493. break;
  494. case RTGUI_EVENT_MOUSE_BUTTON:
  495. {
  496. rtgui_rect_t rect;
  497. struct rtgui_event_mouse* emouse;
  498. emouse = (struct rtgui_event_mouse*)event;
  499. /* calculate selected item */
  500. /* get physical extent information */
  501. rtgui_widget_get_rect(widget, &rect);
  502. rtgui_widget_rect_to_device(widget, &rect);
  503. if (rtgui_rect_contains_point(&rect, emouse->x, emouse->y) == RT_EOK)
  504. {
  505. rt_uint16_t index;
  506. rt_uint16_t current_page;
  507. rt_uint16_t old_item;
  508. index = (emouse->y - rect.y1) / (2 + rtgui_theme_get_selected_height());
  509. /* get current page */
  510. current_page = view->current_item/view->page_items;
  511. old_item = view->current_item;
  512. if (index + current_page * view->page_items < view->items_count)
  513. {
  514. /* set selected item */
  515. view->current_item = index + current_page * view->page_items;
  516. if (emouse->button & RTGUI_MOUSE_BUTTON_DOWN)
  517. {
  518. rtgui_filelist_view_update_current(view, old_item);
  519. }
  520. else
  521. {
  522. /* up event */
  523. rtgui_filelist_view_onenturn(view);
  524. }
  525. }
  526. return RT_TRUE;
  527. }
  528. }
  529. break;
  530. case RTGUI_EVENT_KBD:
  531. {
  532. struct rtgui_event_kbd* ekbd = (struct rtgui_event_kbd*)event;
  533. if (ekbd->type == RTGUI_KEYDOWN)
  534. {
  535. rt_uint16_t old_item;
  536. old_item = view->current_item;
  537. switch (ekbd->key)
  538. {
  539. case RTGUIK_UP:
  540. if (view->current_item > 0)
  541. view->current_item --;
  542. rtgui_filelist_view_update_current(view, old_item);
  543. return RT_TRUE;
  544. case RTGUIK_DOWN:
  545. if (view->current_item < view->items_count - 1)
  546. view->current_item ++;
  547. rtgui_filelist_view_update_current(view, old_item);
  548. return RT_TRUE;
  549. case RTGUIK_LEFT:
  550. if (view->current_item - view->page_items >= 0)
  551. view->current_item -= view->page_items;
  552. rtgui_filelist_view_update_current(view, old_item);
  553. return RT_TRUE;
  554. case RTGUIK_RIGHT:
  555. if (view->current_item + view->page_items < view->items_count - 1)
  556. view->current_item += view->page_items;
  557. rtgui_filelist_view_update_current(view, old_item);
  558. return RT_TRUE;
  559. case RTGUIK_RETURN:
  560. rtgui_filelist_view_onenturn(view);
  561. return RT_TRUE;
  562. default:
  563. break;
  564. }
  565. }
  566. }
  567. return RT_FALSE;
  568. }
  569. /* use view event handler */
  570. return rtgui_container_event_handler(object, event);
  571. }
  572. rtgui_filelist_view_t* rtgui_filelist_view_create(const char* directory,
  573. const char* pattern,
  574. const rtgui_rect_t* rect)
  575. {
  576. struct rtgui_filelist_view* view = RT_NULL;
  577. /* create a new view */
  578. view = (struct rtgui_filelist_view*) rtgui_widget_create(RTGUI_FILELIST_VIEW_TYPE);
  579. if (view != RT_NULL)
  580. {
  581. view->items = RT_NULL;
  582. view->pattern = rt_strdup(pattern);
  583. view->page_items = rtgui_rect_height(*rect) / (1 + rtgui_theme_get_selected_height());
  584. rtgui_filelist_view_set_directory(view, directory);
  585. }
  586. return view;
  587. }
  588. void rtgui_filelist_view_destroy(rtgui_filelist_view_t* view)
  589. {
  590. /* destroy view */
  591. rtgui_widget_destroy(RTGUI_WIDGET(view));
  592. }
  593. /* clear all file items */
  594. static void rtgui_filelist_view_clear(rtgui_filelist_view_t* view)
  595. {
  596. rt_uint32_t index;
  597. struct rtgui_file_item* item;
  598. for (index = 0; index < view->items_count; index ++)
  599. {
  600. item = &(view->items[index]);
  601. /* release item name */
  602. rt_free(item->name);
  603. item->name = RT_NULL;
  604. }
  605. /* release items */
  606. rtgui_free(view->items);
  607. view->items = RT_NULL;
  608. view->items_count = 0;
  609. view->current_item = 0;
  610. }
  611. void rtgui_filelist_view_set_directory(rtgui_filelist_view_t* view, const char* directory)
  612. {
  613. struct rtgui_file_item *item;
  614. RT_ASSERT(view != RT_NULL);
  615. /* clear file items firstly */
  616. rtgui_filelist_view_clear(view);
  617. if (directory != RT_NULL)
  618. {
  619. DIR* dir;
  620. struct stat s;
  621. char* fullpath;
  622. rt_uint32_t index;
  623. struct dirent* dirent;
  624. view->items_count = 0;
  625. dir = opendir(directory);
  626. if (dir == RT_NULL) goto __return;
  627. /* current directory exists, set it */
  628. if (view->current_directory != RT_NULL) rt_free(view->current_directory);
  629. view->current_directory = rt_strdup(directory);
  630. do
  631. {
  632. dirent = readdir(dir);
  633. if (dirent == RT_NULL) break;
  634. if (strcmp(dirent->d_name, ".") == 0) continue;
  635. if (strcmp(dirent->d_name, "..") == 0) continue;
  636. view->items_count ++;
  637. } while (dirent != RT_NULL);
  638. closedir(dir);
  639. view->items_count ++; /* root directory for [x] exit, others for .. */
  640. view->items = (struct rtgui_file_item*) rtgui_malloc(sizeof(struct rtgui_file_item) * view->items_count);
  641. if (view->items == RT_NULL) return; /* no memory */
  642. index = 0;
  643. if (directory[0] == '/' && directory[1] != '\0')
  644. {
  645. item = &(view->items[0]);
  646. /* add .. directory */
  647. item->name = rt_strdup("..");
  648. item->type = RTGUI_FITEM_DIR;
  649. item->size = 0;
  650. index ++;
  651. }
  652. else
  653. {
  654. item = &(view->items[0]);
  655. /* add .. directory */
  656. item->name = rt_strdup("ŘXµĚ�`Á§ăš”M");
  657. item->type = RTGUI_FITEM_DIR;
  658. item->size = 0;
  659. index ++;
  660. }
  661. /* reopen directory */
  662. dir = opendir(directory);
  663. fullpath = rtgui_malloc(256);
  664. while (index < view->items_count)
  665. {
  666. dirent = readdir(dir);
  667. if (dirent == RT_NULL) break;
  668. if (strcmp(dirent->d_name, ".") == 0) continue;
  669. if (strcmp(dirent->d_name, "..") == 0) continue;
  670. item = &(view->items[index]);
  671. item->name = rt_strdup(dirent->d_name);
  672. rt_memset(&s, 0, sizeof(struct stat));
  673. /* build full path for the file */
  674. if (directory[strlen(directory) - 1] != PATH_SEPARATOR)
  675. rt_snprintf(fullpath, 256, "%s%c%s", directory, PATH_SEPARATOR, dirent->d_name);
  676. else
  677. rt_snprintf(fullpath, 256, "%s%s", directory, dirent->d_name);
  678. stat(fullpath, &s);
  679. if ( s.st_mode & S_IFDIR )
  680. {
  681. item->type = RTGUI_FITEM_DIR;
  682. item->size = 0;
  683. }
  684. else
  685. {
  686. item->type = RTGUI_FITEM_FILE;
  687. item->size = s.st_size;
  688. }
  689. index ++;
  690. }
  691. rtgui_free(fullpath);
  692. closedir(dir);
  693. }
  694. view->current_item = 0;
  695. __return:
  696. /* update view */
  697. rtgui_widget_update(RTGUI_WIDGET(view));
  698. }
  699. void rtgui_filelist_view_get_fullpath(rtgui_filelist_view_t* view, char* path, rt_size_t len)
  700. {
  701. RT_ASSERT(view != RT_NULL);
  702. if (view->current_directory[strlen(view->current_directory) - 1] != PATH_SEPARATOR)
  703. rt_snprintf(path, len, "%s%c%s",view->current_directory, PATH_SEPARATOR,
  704. view->items[view->current_item].name);
  705. else
  706. rt_snprintf(path, len, "%s%s",view->current_directory,
  707. view->items[view->current_item].name);
  708. }
  709. #endif