From 1b9e01671a37ded8c2447b82c6f6a656a5ee26e0 Mon Sep 17 00:00:00 2001
From: CJ van den Berg <cj@vdbonline.com>
Date: Thu, 15 Jan 2026 11:59:22 +0100
Subject: [PATCH] fix: don't disable primary terminal cursor when offscreen

Disabling the primary cursor when offscreen will also disable secondary
cursors when kitty's multi-cursor support is enabled. So instead we move
the primary cursor offscreen.
---
 src/renderer/vaxis/renderer.zig |  8 +++++---
 src/tui/editor.zig              | 22 +++++++++++-----------
 2 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/src/renderer/vaxis/renderer.zig b/src/renderer/vaxis/renderer.zig
index d687333..6b446df 100644
--- a/src/renderer/vaxis/renderer.zig
+++ b/src/renderer/vaxis/renderer.zig
@@ -561,10 +561,12 @@ pub fn request_mouse_cursor_default(self: *Self, push_or_pop: bool) void {
     if (push_or_pop) self.vx.setMouseShape(.default) else self.vx.setMouseShape(.default);
 }
 
-pub fn cursor_enable(self: *Self, y: c_int, x: c_int, shape: CursorShape) !void {
+pub fn cursor_enable(self: *Self, y_: c_int, x_: c_int, shape: CursorShape) !void {
+    const y: u16 = if (y_ < 0) self.vx.screen.height + 1 else @intCast(y_);
+    const x: u16 = if (x_ < 0) self.vx.screen.width + 1 else @intCast(x_);
     self.vx.screen.cursor_vis = true;
-    self.vx.screen.cursor_row = @intCast(y);
-    self.vx.screen.cursor_col = @intCast(x);
+    self.vx.screen.cursor_row = y;
+    self.vx.screen.cursor_col = x;
     self.vx.screen.cursor_shape = shape;
 }
 
diff --git a/src/tui/editor.zig b/src/tui/editor.zig
index 1f5a631..b8fcc6c 100644
--- a/src/tui/editor.zig
+++ b/src/tui/editor.zig
@@ -1283,22 +1283,22 @@ pub const Editor = struct {
                 self.render_cursor_cell(style);
             }
         } else {
+            const configured_shape = tui.get_cursor_shape();
+            const cursor_shape = if (tui.rdr().vx.caps.multi_cursor)
+                configured_shape
+            else if (self.cursels.items.len > 1) switch (configured_shape) {
+                .beam => .block,
+                .beam_blink => .block_blink,
+                .underline => .block,
+                .underline_blink => .block_blink,
+                else => configured_shape,
+            } else configured_shape;
             if (self.screen_cursor(cursor)) |pos| {
                 set_cell_map_cursor(cell_map, pos.row, pos.col);
                 const y, const x = self.plane.rel_yx_to_abs(@intCast(pos.row), @intCast(pos.col));
-                const configured_shape = tui.get_cursor_shape();
-                const cursor_shape = if (tui.rdr().vx.caps.multi_cursor)
-                    configured_shape
-                else if (self.cursels.items.len > 1) switch (configured_shape) {
-                    .beam => .block,
-                    .beam_blink => .block_blink,
-                    .underline => .block,
-                    .underline_blink => .block_blink,
-                    else => configured_shape,
-                } else configured_shape;
                 tui.rdr().cursor_enable(y, x, cursor_shape) catch {};
             } else {
-                tui.rdr().cursor_disable();
+                tui.rdr().cursor_enable(-1, -1, cursor_shape) catch {};
             }
         }
     }