From 72483a5deaec7c2489c2087ef8f07feccae2aedf Mon Sep 17 00:00:00 2001
From: cold-brewed <cold-brewed@users.noreply.github.com>
Date: Tue, 11 Jul 2023 16:49:14 -0400
Subject: [PATCH] macos: Add special mapping for insert key

---
 src/qt/cocoa_keyboard.hpp | 6 ++++++
 src/qt/qt_mainwindow.cpp  | 5 +++++
 2 files changed, 11 insertions(+)

diff --git a/src/qt/cocoa_keyboard.hpp b/src/qt/cocoa_keyboard.hpp
index eaf0cdfe0..da3161bb2 100644
--- a/src/qt/cocoa_keyboard.hpp
+++ b/src/qt/cocoa_keyboard.hpp
@@ -127,3 +127,9 @@ static std::array<uint32_t, 127> cocoa_keycodes = { /* key names in parentheses
     0x150, /* DownArrow */
     0x148, /* UpArrow */
 };
+
+// https://developer.apple.com/documentation/appkit/nseventmodifierflags/
+qint32 NSEventModifierFlagCommand = 1 << 20;
+
+qint32 nvk_Delete = 0x75;
+qint32 nvk_Insert = 0x72;
\ No newline at end of file
diff --git a/src/qt/qt_mainwindow.cpp b/src/qt/qt_mainwindow.cpp
index 7d37c0c84..30276922f 100644
--- a/src/qt/qt_mainwindow.cpp
+++ b/src/qt/qt_mainwindow.cpp
@@ -1092,6 +1092,11 @@ MainWindow::processMacKeyboardInput(bool down, const QKeyEvent *event)
             if (mac_iso_swap)
                 nvk = (nvk == 0x0a) ? 0x32 : 0x0a;
         }
+        // Special case for command + forward delete to send insert.
+        if ((event->nativeModifiers() & NSEventModifierFlagCommand) &&
+            ((event->nativeVirtualKey() == nvk_Delete) || event->key() == Qt::Key_Delete)) {
+            nvk = nvk_Insert; // Qt::Key_Help according to event->key()
+        }
 
         processKeyboardInput(down, nvk);
     }