From 96f835b78b442a1c828908525550442854a7e859 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Tue, 26 Sep 2023 07:52:22 -0700
Subject: [PATCH] core: shift does not send mouse events

Fixes #542
---
 src/Surface.zig | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Surface.zig b/src/Surface.zig
index d64147f0d..10185bf41 100644
--- a/src/Surface.zig
+++ b/src/Surface.zig
@@ -1478,7 +1478,10 @@ pub fn mouseButtonCallback(
     {
         self.renderer_state.mutex.lock();
         defer self.renderer_state.mutex.unlock();
-        if (self.io.terminal.flags.mouse_event != .none) {
+        if (self.io.terminal.flags.mouse_event != .none) report: {
+            // Shift overrides mouse "grabbing" in the window, taken from Kitty.
+            if (mods.shift) break :report;
+
             // In any other mouse button scenario without shift pressed we
             // clear the selection since the underlying application can handle
             // that in any way (i.e. "scrolling").