Modes API for QPlatformScreen

Add an API for modes (that is screen size and refresh rate).

This will allow platform plugins to list modes available
for a screen.

[ChangeLog][QtGui][QPA] Add an API for modes.

Change-Id: I91851c51cc60a1544465dfa3b4d96cc667237a0a
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/gui/kernel/qplatformscreen.h b/src/gui/kernel/qplatformscreen.h
index aa32917b6c..97fe3fed03 100644
--- a/src/gui/kernel/qplatformscreen.h
+++ b/src/gui/kernel/qplatformscreen.h
@@ -95,6 +95,11 @@ public:
         PowerStateOff
     };
 
+    struct Mode {
+        QSize size;
+        qreal refreshRate;
+    };
+
     QPlatformScreen();
     virtual ~QPlatformScreen();
 
@@ -139,6 +144,11 @@ public:
     virtual PowerState powerState() const;
     virtual void setPowerState(PowerState state);
 
+    virtual QVector<Mode> modes() const;
+
+    virtual int currentMode() const;
+    virtual int preferredMode() const;
+
     static int angleBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b);
     static QTransform transformBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &target);
     static QRect mapBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &rect);