fuNote/fn.c
2020-10-20 11:13:45 +02:00

75 lines
1.5 KiB
C

#define _DEFAULT_SOURCE
#define _BSD_SOURCE
#define _GNU_SOURCE
#include <signal.h> // for signal, SIGWINCH
#include <stdlib.h> // for exit
#include <stdio.h> // for NULL
#include <unistd.h> // for STDOUT_FILENO
#include "fn.h"
#include "file.h" // for editorOpen
#include "input.h" // for editorProcessKeypress
#include "output.h" // for editorRefreshScreen, editorSetStatusMessage
#include "terminal.h" // for die, setWindowSize, enableRawMode
void windowResizeCallback(int signum) {
if (signum != SIGWINCH) {
return;
}
if (setWindowSize(&E.screenrows, &E.screencols) == -1) {
die("setWindowSize");
}
E.screenrows -= 2;
editorRefreshScreen();
}
void initEditor() {
E.cx = 0;
E.cy = 0;
E.rx = 0;
E.rowoff = 0;
E.coloff = 0;
E.numrows = 0;
E.row = NULL;
E.dirty = 0;
E.filename = NULL;
E.statusmsg[0] = '\0';
E.statusmsg_time = 0;
E.syntax = NULL;
if (setWindowSize(&E.screenrows, &E.screencols) == -1) {
die("setWindowSize");
}
E.screenrows -= 2;
}
void exitEditor() {
// Restore from raw mode and exit
write(STDOUT_FILENO, "\x1b[2J", 4);
write(STDOUT_FILENO, "\x1b[H", 3);
exit(0);
}
int main(int argc, char *argv[]) {
enableRawMode();
initEditor();
if (argc >= 2) {
editorOpen(argv[1]);
}
editorSetStatusMessage("Ctrl-C = Quit, Ctrl-S = save, Ctrl-F = find");
signal(SIGWINCH, windowResizeCallback);
while (1) {
editorRefreshScreen();
editorProcessKeypress();
}
exitEditor();
return 0;
}