From 0571c50d6325e42bff5e832f4355e0b181af1885 Mon Sep 17 00:00:00 2001
From: Yi Ming <ofseed@foxmail.com>
Date: Sat, 12 Oct 2024 17:44:16 +0800
Subject: [PATCH] renderer: generalize the definition of "space"

---
 src/renderer/cell.zig | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/renderer/cell.zig b/src/renderer/cell.zig
index 4fd93db02..1a315a0d8 100644
--- a/src/renderer/cell.zig
+++ b/src/renderer/cell.zig
@@ -101,7 +101,7 @@ pub fn fgMode(
                 break :next_cp next_cell.codepoint();
             };
             if (next_cp == 0 or
-                next_cp == ' ' or
+                isSpace(next_cp) or
                 isPowerline(next_cp))
             {
                 break :text .normal;
@@ -113,6 +113,17 @@ pub fn fgMode(
     };
 }
 
+// Some general spaces, others intentionally kept
+// to force the font to render as a fixed width.
+fn isSpace(char: u21) bool {
+    return switch (char) {
+        0x0020, // SPACE
+        0x2002, // EN SPACE
+        => true,
+        else => false,
+    };
+}
+
 // Returns true if the codepoint is a part of the Powerline range.
 fn isPowerline(char: u21) bool {
     return switch (char) {