QmlDesigner: Fix PopupDialog popup location

* Restrict popup location to single screen given by global position
* Reintroduce PopupDialog title bar drag
* Fix global popup show on linux

Change-Id: If1923151cb9d0ec4286f27aeae2baa292e017eb5
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

2 files changed, 12 insertions, 0 deletions

diff --git a/src/plugins/qmldesignerbase/utils/windowmanager.cpp b/src/plugins/qmldesignerbase/utils/windowmanager.cpp
index c52d5d469a6..146535ceac1 100644
--- a/src/plugins/qmldesignerbase/utils/windowmanager.cpp
+++ b/src/plugins/qmldesignerbase/utils/windowmanager.cpp
@@ -8,6 +8,7 @@
 #include <QCursor>
 #include <QGuiApplication>
 #include <QMainWindow>
+#include <QScreen>
 #include <QWindow>
 
 namespace QmlDesignerBase {
@@ -43,4 +44,14 @@ QPoint WindowManager::globalCursorPosition()
     return QCursor::pos();
 }
 
+QRect WindowManager::getScreenGeometry(QPoint point)
+{
+    QScreen *screen = QGuiApplication::screenAt(point);
+
+    if (!screen)
+        return {};
+
+    return screen->geometry();
+}
+
 } // namespace QmlDesignerBase
diff --git a/src/plugins/qmldesignerbase/utils/windowmanager.h b/src/plugins/qmldesignerbase/utils/windowmanager.h
index 3d8e692c1aa..87a0b701463 100644
--- a/src/plugins/qmldesignerbase/utils/windowmanager.h
+++ b/src/plugins/qmldesignerbase/utils/windowmanager.h
@@ -25,6 +25,7 @@ public:
     static void registerDeclarativeType();
 
     Q_INVOKABLE QPoint globalCursorPosition();
+    Q_INVOKABLE QRect getScreenGeometry(QPoint point);
 
 signals:
     void focusWindowChanged(QWindow *window);