Merge pull request #48 from zsbzsb/feature/window_focus

Added methods to check and request window focus

src/SFML/Graphics/RenderWindow.cpp

@@ -295,6 +295,20 @@ sfBool sfRenderWindow_setActive(sfRenderWindow* renderWindow, sfBool active)
 }
 
 
+////////////////////////////////////////////////////////////
+void sfRenderWindow_requestFocus(sfRenderWindow* renderWindow)
+{
+    CSFML_CALL(renderWindow, requestFocus());
+}
+
+
+////////////////////////////////////////////////////////////
+sfBool sfRenderWindow_hasFocus(const sfRenderWindow* renderWindow)
+{
+    CSFML_CALL_RETURN(renderWindow, hasFocus(), sfFalse);
+}
+
+
 ////////////////////////////////////////////////////////////
 void sfRenderWindow_display(sfRenderWindow* renderWindow)
 {

src/SFML/Window/Window.cpp

@@ -279,6 +279,20 @@ sfBool sfWindow_setActive(sfWindow* window, sfBool active)
 }
 
 
+////////////////////////////////////////////////////////////
+void sfWindow_requestFocus(sfWindow* window)
+{
+    CSFML_CALL(window, requestFocus());
+}
+
+
+////////////////////////////////////////////////////////////
+sfBool sfWindow_hasFocus(const sfWindow* window)
+{
+    CSFML_CALL_RETURN(window, hasFocus(), sfFalse);
+}
+
+
 ////////////////////////////////////////////////////////////
 void sfWindow_display(sfWindow* window)
 {