From 626b33dca1dc0d95e80bf139c197fbb13d740277 Mon Sep 17 00:00:00 2001
From: BogDan Vatra <bogdan@kdab.com>
Date: Fri, 15 Dec 2017 10:52:10 +0200
Subject: Do not allow empty selections

Allowing empty selections leads to strange behavior, it switches from selection handles
to cursor handle.

Change-Id: Ida69346e2a47b13c92cfd68a555d6b94422bb580
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
---
 src/gui/kernel/qplatforminputcontext.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/gui/kernel/qplatforminputcontext.cpp')

diff --git a/src/gui/kernel/qplatforminputcontext.cpp b/src/gui/kernel/qplatforminputcontext.cpp
index 3f59116e9a..9771e6ba11 100644
--- a/src/gui/kernel/qplatforminputcontext.cpp
+++ b/src/gui/kernel/qplatforminputcontext.cpp
@@ -287,6 +287,8 @@ void QPlatformInputContext::setSelectionOnFocusObject(const QPointF &anchorPos,
     if (success) {
         int cursor = QInputMethod::queryFocusObject(Qt::ImCursorPosition, cursorPos * mapToLocal).toInt(&success);
         if (success) {
+            if (anchor == cursor && anchorPos != cursorPos)
+                return;
             QList<QInputMethodEvent::Attribute> imAttributes;
             imAttributes.append(QInputMethodEvent::Attribute(QInputMethodEvent::Selection, anchor, cursor - anchor, QVariant()));
             QInputMethodEvent event(QString(), imAttributes);
-- 
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