webOS: Allow to have activeFocus for each window

This makes multiple windows focused if there is a single window per
screen assuming that windows across screens don't compete the keyboard
focus.

Task-number: QTBUG-83361
Change-Id: Id6f6fd0c95747b03d56c5e535f1313c27d67ab24
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
(cherry picked from commit a2c5f5abff3cafc5769588b573bb04cf950a0450)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 25 insertions, 1 deletions

diff --git a/src/quick/items/qquickwindow.cpp b/src/quick/items/qquickwindow.cpp
index a66e98d66f..d0c9ad5454 100644
--- a/src/quick/items/qquickwindow.cpp
+++ b/src/quick/items/qquickwindow.cpp
@@ -1063,6 +1063,23 @@ static inline bool windowHasFocus(QQuickWindow *win)
     return win == focusWindow || QQuickRenderControl::renderWindowFor(win) == focusWindow;
 }
 
+#ifdef Q_OS_WEBOS
+// Temporary fix for webOS until multi-seat is implemented see QTBUG-85272
+static inline bool singleWindowOnScreen(QQuickWindow *win)
+{
+    const QWindowList windowList = QGuiApplication::allWindows();
+    for (int i = 0; i < windowList.count(); i++) {
+        QWindow *ii = windowList.at(i);
+        if (ii == win)
+            continue;
+        if (ii->screen() == win->screen())
+            return false;
+    }
+
+    return true;
+}
+#endif
+
 /*!
 Set the focus inside \a scope to be \a item.
 If the scope contains the active focus item, it will be changed to \a item.
@@ -1137,7 +1154,14 @@ void QQuickWindowPrivate::setFocusInScope(QQuickItem *scope, QQuickItem *item, Q
     }
 
     if (!(options & DontChangeFocusProperty)) {
-        if (item != contentItem || windowHasFocus(q)) {
+        if (item != contentItem
+                || windowHasFocus(q)
+#ifdef Q_OS_WEBOS
+        // Allow focused if there is only one window in the screen where it belongs.
+        // Temporary fix for webOS until multi-seat is implemented see QTBUG-85272
+                || singleWindowOnScreen(q)
+#endif
+                ) {
             itemPrivate->focus = true;
             changed << item;
         }