Android: Request QtEditText focus when its window is touched

This allows switching focus between different Qt windows,
which combined with the previous changes enables keyboard
focus for child windows.

Task-number: QTBUG-118139
Pick-to: 6.7
Change-Id: I4b237166dee264a22b2e3dd1ca4d82e0cfce376b
Reviewed-by: Assam Boudjelthia <assam.boudjelthia@qt.io>

src/android/jar/src/org/qtproject/qt/android/QtActivityDelegate.java

@@ -331,7 +331,6 @@ class QtActivityDelegate extends QtActivityDelegateBase
             m_topLevelWindows.put(window.getId(), window);
             if (!m_splashScreenSticky)
                 hideSplashScreen();
-            m_inputDelegate.setFocusedView(window.getQtEditText());
         });
     }
 

src/android/jar/src/org/qtproject/qt/android/QtInputDelegate.java

@@ -214,7 +214,6 @@ class QtInputDelegate {
                 return;
 
             setEditTextOptions(enterKeyType, inputHints);
-            m_currentEditText.requestFocus();
 
             m_currentEditText.postDelayed(() -> {
                 m_imm.showSoftInput(m_currentEditText, 0, new ResultReceiver(new Handler()) {

src/android/jar/src/org/qtproject/qt/android/QtWindow.java

@@ -45,13 +45,6 @@ class QtWindow extends QtLayout implements QtSurfaceInterface {
         });
     }
 
-    // TODO this is a temporary workaround to be able to set the input delegate current edit text,
-    // the next two patches make this redundant
-    QtEditText getQtEditText()
-    {
-        return m_editText;
-    }
-
     void setVisible(boolean visible) {
         QtNative.runAction(() -> {
             if (visible)
@@ -70,6 +63,7 @@ class QtWindow extends QtLayout implements QtSurfaceInterface {
     @Override
     public boolean onTouchEvent(MotionEvent event)
     {
+        m_editText.requestFocus();
         event.setLocation(event.getX() + getX(), event.getY() + getY());
         QtInputDelegate.sendTouchEvent(event, getId());
         m_gestureDetector.onTouchEvent(event);