Replace explicit surrogate handlers by inline methods of QChar class

Merge-request: 1284
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/src/gui/widgets/qlinecontrol.cpp b/src/gui/widgets/qlinecontrol.cpp
index b6e2f90..873630a 100644
--- a/src/gui/widgets/qlinecontrol.cpp
+++ b/src/gui/widgets/qlinecontrol.cpp
@@ -198,12 +198,10 @@ void QLineControl::backspace()
             --m_cursor;
             if (m_maskData)
                 m_cursor = prevMaskBlank(m_cursor);
-            QChar uc = m_text.at(m_cursor);
-            if (m_cursor > 0 && uc.unicode() >= 0xdc00 && uc.unicode() < 0xe000) {
+            if (m_cursor > 0 && m_text.at(m_cursor).isLowSurrogate()) {
                 // second half of a surrogate, check if we have the first half as well,
                 // if yes delete both at once
-                uc = m_text.at(m_cursor - 1);
-                if (uc.unicode() >= 0xd800 && uc.unicode() < 0xdc00) {
+                if (m_text.at(m_cursor - 1).isHighSurrogate()) {
                     internalDelete(true);
                     --m_cursor;
                 }