Cursor shouldn't blink while dragging cursor position

A function resetCursorBlinkerTimer was introduced to QLineControl.
Each time the cursor position in a textInput is updated, the blinker
timer is reset.

Task-number: QTBUG-15815
Reviewed-by: Martin Jones

2 files changed, 10 insertions, 0 deletions

diff --git a/src/gui/widgets/qlinecontrol.cpp b/src/gui/widgets/qlinecontrol.cpp
index f338f40..5ea9dc4 100644
--- a/src/gui/widgets/qlinecontrol.cpp
+++ b/src/gui/widgets/qlinecontrol.cpp
@@ -1308,6 +1308,15 @@ void QLineControl::setCursorBlinkPeriod(int msec)
     m_blinkPeriod = msec;
 }
 
+void QLineControl::resetCursorBlinkTimer()
+{
+    if (m_blinkPeriod == 0 || m_blinkTimer == 0)
+        return;
+    killTimer(m_blinkTimer);
+    m_blinkTimer = startTimer(m_blinkPeriod / 2);
+    m_blinkStatus = 1;
+}
+
 void QLineControl::timerEvent(QTimerEvent *event)
 {
     if (event->timerId() == m_blinkTimer) {
diff --git a/src/gui/widgets/qlinecontrol_p.h b/src/gui/widgets/qlinecontrol_p.h
index 7068f62..d881acf 100644
--- a/src/gui/widgets/qlinecontrol_p.h
+++ b/src/gui/widgets/qlinecontrol_p.h
@@ -296,6 +296,7 @@ public:
 
     int cursorBlinkPeriod() const { return m_blinkPeriod; }
     void setCursorBlinkPeriod(int msec);
+    void resetCursorBlinkTimer();
 
     QString cancelText() const { return m_cancelText; }
     void setCancelText(const QString &text) { m_cancelText = text; }