Add a method to let users determine if the current platform is X11.v5.2.0-alpha1

In order to know if the methods in QtX11Extras are usable the user should
have a way to tell if they're running on X11.

Change-Id: I096267eb1f1fe07ee11811574a96100389c33b7d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

2 files changed, 12 insertions, 0 deletions

diff --git a/src/x11extras/qx11info_x11.cpp b/src/x11extras/qx11info_x11.cpp
index 713e76c..85aa9e1 100644
--- a/src/x11extras/qx11info_x11.cpp
+++ b/src/x11extras/qx11info_x11.cpp
@@ -83,6 +83,16 @@ QX11Info::QX11Info()
 }
 
 /*!
+    Returns true if the application is currently running on X11.
+
+    \since 5.2
+ */
+bool QX11Info::isPlatformX11()
+{
+    return QGuiApplication::platformName() == QLatin1String("xcb");
+}
+
+/*!
     Returns the horizontal resolution of the given \a screen in terms of the
     number of dots per inch.
 
diff --git a/src/x11extras/qx11info_x11.h b/src/x11extras/qx11info_x11.h
index bbc7ff4..d5d00f3 100644
--- a/src/x11extras/qx11info_x11.h
+++ b/src/x11extras/qx11info_x11.h
@@ -53,6 +53,8 @@ QT_BEGIN_NAMESPACE
 class Q_X11EXTRAS_EXPORT QX11Info
 {
 public:
+    static bool isPlatformX11();
+
     static int appDpiX(int screen=-1);
     static int appDpiY(int screen=-1);