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#include <stdio.h>
#include <string.h>
#include <cursesw.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/ip.h>
#include <arpa/inet.h>
#include <unistd.h>
#include "ipc.cpp"
#define NORMAL_MODE 0
#define INSERT_MODE 1
#define PORT 6969
#define pos(x, y) (x) + (y) * window_width
int main(int argc, char *argv[]) {
initscr();
cbreak();
noecho();
intrflush(stdscr, FALSE);
keypad(stdscr, TRUE);
int window_height, window_width;
getmaxyx(stdscr, window_height, window_width);
char *view = new char[window_width * window_height];
for (int i = 0; i < window_width * window_height; view[i++] = 0);
int s = socket(AF_INET, SOCK_STREAM, 0);
sockaddr_in addr = { AF_INET, htons(PORT), htonl(INADDR_LOOPBACK)};
connect(s, (sockaddr *) &addr, sizeof(sockaddr_in));
int mode = NORMAL_MODE;
int cursor_x = 0;
int cursor_y = 0;
int quit = 0;
while (!quit) {
clear();
int8_t msg[5];
msg[0] = OP_SHOW;
encode2(window_width, msg, 1);
encode2(window_height, msg, 3);
write(s, msg, 5);
read(s, view, window_width * window_height);
for (int i = 0; i < window_width * window_height; i++) {
printw("%c", view[i]);
}
move(cursor_y, cursor_x);
int8_t mov[2];
int8_t del[1];
int8_t ins[2];
int input = getch();
if (mode == NORMAL_MODE) {
switch (input) {
case '':
quit = 1;
break;
case 'i':
mode = INSERT_MODE;
break;
case 'h':
mov[0] = OP_MOVE1;
mov[1] = -1;
write(s, mov, 2);
do {
if (cursor_x <= 0) {
if (cursor_y > 0) {
cursor_x = window_width - 1;
cursor_y--;
}
} else {
cursor_x--;
}
} while (view[pos(cursor_x, cursor_y)] == 0);
break;
case 'l':
mov[0] = OP_MOVE1;
mov[1] = 1;
write(s, mov, 2);
do {
if (cursor_x >= window_width - 1) {
if (cursor_y < window_height - 1) {
cursor_x = 0;
cursor_y++;
} else {
break;
}
} else {
cursor_x++;
}
} while (view[pos(cursor_x, cursor_y)] == 0);
break;
}
} else {
switch (input) {
case '':
mode = NORMAL_MODE;
break;
case KEY_BACKSPACE:
del[0] = OP_DELETE;
write(s, del, 1);
break;
default:
ins[0] = OP_INSERT;
ins[1] = input;
write(s, ins, 2);
}
}
}
endwin();
return 0;
}
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