repos / zmx

commit

d0e3ed1

parent

e9729b9

author

Eric Bower

date

2026-04-03 14:14:03 -0400 EDT

refactor: generic parsing kitty ctrl key fns

 1@@ -220,25 +220,29 @@ pub fn findTaskExitMarker(output: []const u8) ?u8 {
 2 /// and alternate key sub-fields from the kitty protocol's progressive
 3 /// enhancement flags.
 4 pub fn isKittyCtrlBackslash(buf: []const u8) bool {
 5-    // Scan for any CSI u sequence encoding Ctrl+\ in the buffer.
 6+    return isKittyCtrlKey(buf, 92);
 7+}
 8+
 9+fn isKittyCtrlKey(buf: []const u8, key_code: u32) bool {
10+    // Scan for any CSI u sequence encoding the given Ctrl+key in the buffer.
11     // The sequence can appear at any offset (e.g. preceded by other input).
12     var i: usize = 0;
13     while (i + 2 < buf.len) : (i += 1) {
14         if (buf[i] == 0x1b and buf[i + 1] == '[') {
15-            if (parseKittyCtrlBackslash(buf[i + 2 ..])) return true;
16+            if (parseKittyCtrlKey(buf[i + 2 ..], key_code)) return true;
17         }
18     }
19     return false;
20 }
21 
22 /// Parse a CSI u sequence (after the `\x1b[` prefix) and return true if it
23-/// encodes a Ctrl+\ press or repeat event.
24-fn parseKittyCtrlBackslash(buf: []const u8) bool {
25+/// encodes a Ctrl+key press or repeat event for the given key code.
26+fn parseKittyCtrlKey(buf: []const u8, expected_key: u32) bool {
27     var pos: usize = 0;
28 
29-    // 1. Parse key code -- must be 92 (backslash).
30+    // 1. Parse key code.
31     const key_code = parseDecimal(buf, &pos) orelse return false;
32-    if (key_code != 92) return false;
33+    if (key_code != expected_key) return false;
34 
35     // 2. Skip any ':alternate-key' sub-fields (shifted key, base layout key).
36     while (pos < buf.len and buf[pos] == ':') {