Add WindowStateChanged event

Not currently considering activation state.

backport from qt5 8dc2f81c9f0e6eb8cab09e5d682358fd140b49b8

Change-Id: Ib46e554b08cc8d15f83e9865a8f0be3f8d7b9d16
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/gui/kernel/qwindowsysteminterface_qpa_p.h b/src/gui/kernel/qwindowsysteminterface_qpa_p.h
index 32aa9b00c6..9cc82ffb69 100644
--- a/src/gui/kernel/qwindowsysteminterface_qpa_p.h
+++ b/src/gui/kernel/qwindowsysteminterface_qpa_p.h
@@ -55,6 +55,7 @@ public:
         Enter,
         Leave,
         ActivatedWindow,
+        WindowStateChanged,
         Mouse,
         Wheel,
         Key,
@@ -114,6 +115,16 @@ public:
         QWeakPointer<QWidget> activated;
     };
 
+    class WindowStateChangedEvent : public WindowSystemEvent {
+    public:
+        WindowStateChangedEvent(QWidget *_tlw, Qt::WindowState _newState)
+            : WindowSystemEvent(WindowStateChanged), tlw(_tlw), newState(_newState)
+        { }
+
+        QWeakPointer<QWidget> tlw;
+        Qt::WindowState newState;
+    };
+
     class UserEvent : public WindowSystemEvent {
     public:
         UserEvent(QWidget * w, ulong time, EventType t)