C++ (Cpp) rtgui_filelist_view_clear Examples

Example #1

File: filelist_view.c Project: KodakWang/RTGUI

static void _rtgui_filelist_view_destructor(struct rtgui_filelist_view *view)
{
    /* delete all file items */
    rtgui_filelist_view_clear(view);
    /* delete current directory and pattern */
    if (view->current_directory != RT_NULL)
    {
        rt_free(view->current_directory);
        view->current_directory = RT_NULL;
    }
    if (view->pattern != RT_NULL)
    {
        rt_free(view->pattern);
        view->pattern = RT_NULL;
    }

    _instance_count--;
    RT_ASSERT(_instance_count >= 0);
    if (_instance_count == 0)
    {
        /* delete image */
        rtgui_image_destroy(file_image);
        file_image = RT_NULL;
        rtgui_image_destroy(folder_image);
        folder_image = RT_NULL;
    }
}

Example #2

File: filelist_view.c Project: zdgaoyu/RTGUI

static void _rtgui_filelist_view_destructor(struct rtgui_filelist_view *view)
{
    /* delete all file items */
    rtgui_filelist_view_clear(view);
	/* delete current directory and pattern */
	if (view->current_directory != RT_NULL)
	{
		rt_free(view->current_directory); 
		view->current_directory = RT_NULL;
	}
	if (view->pattern != RT_NULL) 
	{
		rt_free(view->pattern); 
		view->pattern = RT_NULL;
	}

	/* delete image */
	rtgui_image_destroy(file_image);
	rtgui_image_destroy(folder_image);
}

Example #3

File: filelist_view.c Project: KodakWang/RTGUI

void rtgui_filelist_view_set_directory(rtgui_filelist_view_t *view, const char *directory)
{
    struct rtgui_file_item *item;

    RT_ASSERT(view != RT_NULL);

    /* clear file items firstly */
    rtgui_filelist_view_clear(view);
    if (directory != RT_NULL)
    {
        DIR *dir;
        struct stat s;
        char *fullpath;
        rt_uint32_t index;
        struct dirent *dirent;

        view->items_count = 0;
        dir = opendir(directory);
        if (dir == RT_NULL)
            goto __return;

        /* current directory exists, set it */
        if (view->current_directory != RT_NULL)
            rt_free(view->current_directory);
        view->current_directory = rt_strdup(directory);

        do {
            dirent = readdir(dir);
            if (dirent == RT_NULL)
                break;

            if (strcmp(dirent->d_name, ".") == 0)
                continue;
            /* readdir is not guaranteed to return "..". So we should deal with
             * it specially. */
            if (strcmp(dirent->d_name, "..") == 0)
                continue;

            view->items_count++;
        } while (dirent != RT_NULL);
        closedir(dir);

        /* Add ".." entry. */
        if (!(directory[0] == '/' && directory[1] == '\0'))
            view->items_count++;

        view->items = (struct rtgui_file_item *)rtgui_malloc(sizeof(struct rtgui_file_item) * view->items_count);
        if (view->items == RT_NULL)
            return; /* no memory */

        index = 0;

        if (!(directory[0] == '/' && directory[1] == '\0'))
        {
            item = &(view->items[index]);
            item->name = rt_strdup("..");
            item->type = RTGUI_FITEM_DIR;
            item->size = 0;

            index++;
        }

        /* reopen directory */
        dir = opendir(directory);
        fullpath = (char*)rtgui_malloc(256);
        while (index < view->items_count)
        {
            dirent = readdir(dir);
            if (dirent == RT_NULL)
                break;

            if (strcmp(dirent->d_name, ".") == 0)
                continue;
            if (strcmp(dirent->d_name, "..") == 0)
                continue;

            item = &(view->items[index]);
            item->name = rt_strdup(dirent->d_name);

            rt_memset(&s, 0, sizeof(struct stat));

            /* build full path for the file */
            if (directory[strlen(directory) - 1] != PATH_SEPARATOR)
                rt_snprintf(fullpath, 256, "%s%c%s", directory, PATH_SEPARATOR, dirent->d_name);
            else
                rt_snprintf(fullpath, 256, "%s%s", directory, dirent->d_name);

            stat(fullpath, &s);
            if (s.st_mode & S_IFDIR)
            {
                item->type = RTGUI_FITEM_DIR;
                item->size = 0;
            }
            else
            {
                item->type = RTGUI_FITEM_FILE;
                item->size = s.st_size;
            }

            index ++;
        }
        rtgui_free(fullpath);
        closedir(dir);
    }

    view->current_item = 0;

__return:
    /* update view */
    rtgui_widget_update(RTGUI_WIDGET(view));
}