From aab641ba28606bb5ed84a774161ec696b469ee0e Mon Sep 17 00:00:00 2001
From: Uko Kokņevičs
Date: Tue, 21 Dec 2021 06:07:05 +0200
Subject: Added M-g g

---
 src/Buffer.zig | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src/Buffer.zig')

diff --git a/src/Buffer.zig b/src/Buffer.zig
index 1ddac45..8f90ed1 100644
--- a/src/Buffer.zig
+++ b/src/Buffer.zig
@@ -251,6 +251,25 @@ pub fn forwardChar(self: *Buffer) void {
     }
 }
 
+// TODO: Make use of the callback feature to go to the final line while typing in.
+pub fn goToLine(self: *Buffer, editor: *Editor) !void {
+    if (try editor.prompt("Goto line")) |line_str| {
+        defer editor.allocator.free(line_str);
+
+        const line = std.fmt.parseUnsigned(usize, line_str, 0) catch |err| {
+            try editor.setStatusMessage("Couldn't parse '{s}' as an integer: {}", .{line_str, err});
+            return;
+        };
+
+        self.cy = std.math.min(line - 1, self.rows.items.len);
+        if (self.cy == self.rows.items.len) {
+            self.cx = 0;
+        } else {
+            self.cx = std.math.min(self.cx, self.rows.items[self.cy].data.items.len);
+        }
+    }
+}
+
 pub fn insertChar(self: *Buffer, char: u8) !void {
     if (self.cy == self.rows.items.len) {
         try self.insertRow(self.rows.items.len, "");
-- 
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