1 files changed, 13 insertions, 3 deletions
diff --git a/src/gui/widgets/qlinecontrol.cpp b/src/gui/widgets/qlinecontrol.cpp
index 5a281ad..8d4a90e 100644
--- a/src/gui/widgets/qlinecontrol.cpp
+++ b/src/gui/widgets/qlinecontrol.cpp
@@ -254,12 +254,20 @@ void QLineControl::setSelection(int start, int length)
         m_selstart = start;
         m_selend = qMin(start + length, (int)m_text.length());
         m_cursor = m_selend;
-    } else {
+    } else if (length < 0){
         if (start == m_selend && start + length == m_selstart)
             return;
         m_selstart = qMax(start + length, 0);
         m_selend = start;
         m_cursor = m_selstart;
+    } else if (m_selstart != m_selend) {
+        m_selstart = 0;
+        m_selend = 0;
+        m_cursor = start;
+    } else {
+        m_cursor = start;
+        emitCursorPositionChanged();
+        return;
     }
     emit selectionChanged();
     emitCursorPositionChanged();
@@ -427,6 +435,8 @@ void QLineControl::processInputMethodEvent(QInputMethodEvent *event)
         c += event->commitString().length() - qMin(-event->replacementStart(), event->replacementLength());
 
     m_cursor += event->replacementStart();
+    if (m_cursor < 0)
+        m_cursor = 0;
 
     // insert commit string
     if (event->replacementLength()) {
@@ -435,11 +445,11 @@ void QLineControl::processInputMethodEvent(QInputMethodEvent *event)
         removeSelectedText();
     }
     if (!event->commitString().isEmpty()) {
-        insert(event->commitString());
+        internalInsert(event->commitString());
         cursorPositionChanged = true;
     }
 
-    m_cursor = qMin(c, m_text.length());
+    m_cursor = qBound(0, c, m_text.length());
 
     for (int i = 0; i < event->attributes().size(); ++i) {
         const QInputMethodEvent::Attribute &a = event->attributes().at(i);