Added glfwGetWindowMonitor.

include/GL/glfw3.h

@@ -560,6 +560,7 @@ GLFWAPI void glfwRestoreWindow(GLFWwindow window);
 GLFWAPI void glfwShowWindow(GLFWwindow window);
 GLFWAPI void glfwHideWindow(GLFWwindow window);
 GLFWAPI int  glfwGetWindowParam(GLFWwindow window, int param);
+GLFWAPI GLFWmonitor glfwGetWindowMonitor(GLFWwindow window);
 GLFWAPI void glfwSetWindowUserPointer(GLFWwindow window, void* pointer);
 GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow window);
 GLFWAPI void glfwSetWindowSizeCallback(GLFWwindowsizefun cbfun);

src/window.c

@@ -763,6 +763,24 @@ GLFWAPI int glfwGetWindowParam(GLFWwindow handle, int param)
 }
 
 
+//========================================================================
+// Get window monitor
+//========================================================================
+
+GLFWAPI GLFWmonitor glfwGetWindowMonitor(GLFWwindow handle)
+{
+    _GLFWwindow* window = (_GLFWwindow*) handle;
+
+    if (!_glfwInitialized)
+    {
+        _glfwSetError(GLFW_NOT_INITIALIZED, NULL);
+        return NULL;
+    }
+
+    return (GLFWmonitor) window->monitor;
+}
+
+
 //========================================================================
 // Set the user pointer for the specified window
 //========================================================================