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