From bd2f9fd0e09d9274b3bde3377ebcb1710d362b7f Mon Sep 17 00:00:00 2001
From: "Zheng, Lei" <realthunder.dev@gmail.com>
Date: Mon, 28 Feb 2022 21:50:03 +0800
Subject: [PATCH] Gui: fix shortcut editor

---
 src/Gui/Widgets.cpp | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

diff --git a/src/Gui/Widgets.cpp b/src/Gui/Widgets.cpp
index 69545ee499..db3dfd1233 100644
--- a/src/Gui/Widgets.cpp
+++ b/src/Gui/Widgets.cpp
@@ -413,18 +413,23 @@ void AccelLineEdit::keyPressEvent (QKeyEvent * e)
         break;
     }
 
-    // 4 keys are allowed for QShortcut
-    switch (keyPressedCount) {
-    case 4:
+    if (txtLine.isEmpty()) {
+        // Text maybe cleared by QLineEdit's built in clear button
         keyPressedCount = 0;
-        txtLine.clear();
-        break;
-    case 0:
-        txtLine.clear();
-        break;
-    default:
-        txtLine += QChar::fromLatin1(',');
-        break;
+    } else {
+        // 4 keys are allowed for QShortcut
+        switch (keyPressedCount) {
+        case 4:
+            keyPressedCount = 0;
+            txtLine.clear();
+            break;
+        case 0:
+            txtLine.clear();
+            break;
+        default:
+            txtLine += QString::fromLatin1(",");
+            break;
+        }
     }
 
     // Handles modifiers applying a mask.