Revert "QWidgetTextControl: Suppress drag selection for OS-synthesized mouse events."

This reverts commit cf0d96f4c8584a7eb9eeca304932f6ea88894b27.

It broke text selection on iOS and was never tested on that platform.

Task-number: QTBUG-43101
Change-Id: I9f224a3838a1f741bc9a9c24f16923ef2018ddf3
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@theqtcompany.com>

1 files changed, 1 insertions, 8 deletions

diff --git a/src/widgets/widgets/qwidgettextcontrol.cpp b/src/widgets/widgets/qwidgettextcontrol.cpp
index 8f017b7b87..dfec6a14d4 100644
--- a/src/widgets/widgets/qwidgettextcontrol.cpp
+++ b/src/widgets/widgets/qwidgettextcontrol.cpp
@@ -1580,10 +1580,8 @@ void QWidgetTextControlPrivate::mousePressEvent(QEvent *e, Qt::MouseButton butto
             cursor.clearSelection();
         }
     }
-    // Do not start selection on a mouse event synthesized from a touch event.
     if (!(button & Qt::LeftButton) ||
-        !((interactionFlags & Qt::TextSelectableByMouse) || (interactionFlags & Qt::TextEditable))
-        || QApplicationPrivate::mouseEventSource(e) != Qt::MouseEventNotSynthesized) {
+        !((interactionFlags & Qt::TextSelectableByMouse) || (interactionFlags & Qt::TextEditable))) {
             e->ignore();
             return;
     }
@@ -1754,11 +1752,6 @@ void QWidgetTextControlPrivate::mouseReleaseEvent(QEvent *e, Qt::MouseButton but
 {
     Q_Q(QWidgetTextControl);
 
-    if (QApplicationPrivate::mouseEventSource(e) != Qt::MouseEventNotSynthesized) {
-        setCursorPosition(pos); // Emulate Tap to set cursor for events synthesized from touch.
-        return;
-    }
-
     const QTextCursor oldSelection = cursor;
     if (sendMouseEventToInputContext(
             e, QEvent::MouseButtonRelease, button, pos, modifiers, buttons, globalPos)) {