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// MIT License, Copyright (c) 2020 Marvin Borner
// TODO: Fix green memory artifacts
#include <gui.h>
#include <mem.h>
#include <print.h>
#include <str.h>
#include <sys.h>
static struct element *root = NULL;
struct dirent {
u32 inode_num;
u16 total_len;
u8 name_len;
u8 type_indicator;
char name[];
};
void render_list(const char *path);
void on_click(struct event_mouse *event, struct element *elem)
{
(void)event;
char *value = ((struct element_label *)elem->data)->text;
u8 l = strlen(elem->attributes) + strlen(value) + 2;
char *full = malloc(l);
strcat(full, elem->attributes);
full[strlen(elem->attributes)] = '/';
strcat(full, value);
render_list(full);
}
// TODO: Dir iterator as kernel syscall?
void render_list(const char *path)
{
static struct element *list = NULL;
if (list)
gui_remove_element(list);
list = gui_add_container(root, 0, 0, 100, 100, COLOR_BLACK);
struct dirent *d = sread(path);
int sum = 0;
int calc = 0;
int cnt = 0;
do {
calc = (sizeof(struct dirent) + d->name_len + 4) & ~0x3;
sum += d->total_len;
d->name[d->name_len] = '\0';
struct element *label = gui_add_label(list, 5, cnt * (gfx_font_height(FONT_16) + 5),
FONT_16, d->name, COLOR_BLACK, COLOR_WHITE);
label->attributes = (char *)path;
if (d->type_indicator == 2) // Dir
label->event.on_click = on_click;
if (d->total_len != calc && sum == 1024)
d->total_len = calc;
d = (struct dirent *)((u32)d + d->total_len);
cnt++;
} while (sum < 1024); // TODO: Remove magic constants
}
int main()
{
root = gui_init("Files", 600, 400, COLOR_BLACK);
render_list("/.");
gfx_redraw_focused(); // TODO: Remove
gui_event_loop(root);
return 0;
}
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