kiloz

commit 9e21474b2a2400fde07b6276f803cab52e863a65
parent e269f5a8edf2893d962b771996069bc4b7ab1693
Author: Martin Ashby <martin@ashbysoft.com>
Date:   Sat, 20 Jan 2024 08:33:20 +0000

Use the alternate screen buffer feature;
It's nicer to restore the user's original terminal

Diffstat:
M
src/main.zig
 | 
10
++++++++++

1 file changed, 10 insertions(+), 0 deletions(-)
diff --git a/src/main.zig b/src/main.zig
@@ -32,6 +32,8 @@ pub fn main() !void {
     E = &es;
     es.termios_orig = try enterRawMode();
     defer disableRawMode(&es.termios_orig);
+    try useAlternateScreenBuffer();
+    defer exitAlternateScreenBuffer();
     defer clearScreen();
 
     try initEditor(&es);
@@ -116,6 +118,14 @@ fn disableRawMode(t: *const std.os.linux.termios) void {
     }
 }
 
+fn useAlternateScreenBuffer() !void {
+    try std.io.getStdOut().writer().writeAll("\x1b[?1049h");
+}
+
+fn exitAlternateScreenBuffer() void {
+    std.io.getStdOut().writer().writeAll("\x1b[?1049l") catch {};
+}
+
 const editorKey = union(enum) {
     char: u8,
     virt: enum {