From bd7da753fe76bbe8ce55d2bdc9b9c765b957f6f9 Mon Sep 17 00:00:00 2001
From: root <root@localhost.localdomain>
Date: Tue, 5 Jul 2022 09:48:04 +0800
Subject: [PATCH] 
 QTBUG008-89578-QLineEdit-cursor-show-white-area-when-set-inputMask

---
 src/widgets/widgets/qlineedit.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/widgets/widgets/qlineedit.cpp b/src/widgets/widgets/qlineedit.cpp
index d568a1e0..70d27b58 100644
--- a/src/widgets/widgets/qlineedit.cpp
+++ b/src/widgets/widgets/qlineedit.cpp
@@ -2128,9 +2128,12 @@ void QLineEdit::paintEvent(QPaintEvent *)
 
     // Asian users see an IM selection text as cursor on candidate
     // selection phase of input method, so the ordinary cursor should be
-    // invisible if we have a preedit string.
-    if (d->cursorVisible && !d->control->isReadOnly())
+    // invisible if we have a preedit string. another condition is when inputmask
+    // isn't empty,we don't need draw cursor,because cursor and character overlaping
+    // area is white.
+    if (d->cursorVisible && !d->control->isReadOnly() && d->control->inputMask().isEmpty())
         flags |= QWidgetLineControl::DrawCursor;
+ 
 
     d->control->setCursorWidth(style()->pixelMetric(QStyle::PM_TextCursorWidth, &panel));
     d->control->draw(&p, topLeft, r, flags);
-- 
2.31.1