dino.c

#include "common.h"
#include "drv/vfs_new.h"
#include "drv/input/keyboard.h"
#include "gui/basics.h"
#include "io/screen.h"
#include "io/tty.h"
#include "sys/trigger.h"
#include "drv/input/keymap.h"
#include "lib/string.h"
#include "drv/psf.h"
#include "io/ports.h"
 
char dino_cur_path[1024] = "/";
struct dirent* dino_cur_dirent = nullptr;
size_t dino_dirent_count = 0;
size_t dino_current_selection = 0;
 
void dino_draw_back() {
    draw_filled_rectangle(0, 0, VESA_WIDTH, VESA_HEIGHT, 0x444444);
    draw_filled_rectangle(40, 40, VESA_WIDTH - 80, VESA_HEIGHT - 80, 0x666666);
}
 
void dino_draw_panels() {
 
}
 
void dino_draw_main() {
    draw_rectangle(
            50,
            50 + (dino_current_selection * 16),
            strlen(dino_cur_dirent[dino_current_selection].name) * 8,
            16,
            0x000000
    );
 
    // TODO: Scrollable list
    for(int i = 0; i < dino_dirent_count; i++) {
        struct dirent elem = dino_cur_dirent[i];
 
        draw_vga_str(elem.name, strlen(elem.name), 50, 50 + (i * 16), 0x111111);
    }
}
 
void dino_update() {
    dino_cur_dirent = vfs_getListFolder(dino_cur_path);
    dino_dirent_count = vfs_getCountElemDir(dino_cur_path);
}
 
void dino_path_check() {
    // Remove trailing (duplictaing) slashes here.
 
    size_t len = strlen(dino_cur_path);
    size_t score = 0;
 
    for(int i = 0; i < len; i++) {
        if(dino_cur_path[i] == '/') {
            score++;
 
            if(score > 1) {
                memmove(dino_cur_path + i, dino_cur_path + i + 1, len - i);
            }
        } else {
            score = 0;
        }
    }
}
 
void dino_keyhandler(int key, int pressed, int c, int d, int e) {
    if (pressed) {
        if(key == KEY_DOWN)
            dino_current_selection = ((dino_current_selection + 1) % dino_dirent_count);
        else if(key == KEY_UP)
            dino_current_selection = dino_current_selection == 0 ? dino_dirent_count - 1 : dino_current_selection - 1;
        else if(key == KEY_ENTER) {
            qemu_log("You selected: %s", dino_cur_dirent[dino_current_selection].name);
 
            strcat(dino_cur_path, dino_cur_dirent[dino_current_selection].name);
 
            dino_path_check();
 
            qemu_log("Path: %s", dino_cur_path);
 
            dino_current_selection = 0;
 
            dino_update();
        }
    }
}
 
uint32_t dino_filemanager(int argc, char* argv[]) {
    dino_update();
 
    keyboardctl(KEYBOARD_ECHO, false);
 
    RegTrigger(TRIGGER_KEY_PRESSED, (trigger_cmd_t)dino_keyhandler);
 
    while(1) {
        int key = getCharRaw();
        if(key == KEY_ESC)
            break;
 
        dino_draw_back();
        dino_draw_panels();
        dino_draw_main();
 
        punch();
    }
 
    clean_tty_screen();
 
    keyboardctl(KEYBOARD_ECHO, true);
 
    return 0;
}