Win32: Fix non-client actions for disabled cursor

Disabled cursor mode interfered with some non-client actions.

src/win32_window.c

@@ -631,13 +631,9 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
             //       clicking a caption button
             if (HIWORD(lParam) == WM_LBUTTONDOWN)
             {
-                if (LOWORD(lParam) == HTCLOSE ||
+                if (LOWORD(lParam) != HTCLIENT)
-                    LOWORD(lParam) == HTMINBUTTON ||
-                    LOWORD(lParam) == HTMAXBUTTON)
-                {
                     window->win32.frameAction = GLFW_TRUE;
             }
-            }
 
             break;
         }
@@ -943,6 +939,9 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
         case WM_ENTERSIZEMOVE:
         case WM_ENTERMENULOOP:
         {
+            if (window->win32.frameAction)
+                break;
+
             // HACK: Enable the cursor while the user is moving or
             //       resizing the window or using the window menu
             if (window->cursorMode == GLFW_CURSOR_DISABLED)
@@ -954,6 +953,9 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
         case WM_EXITSIZEMOVE:
         case WM_EXITMENULOOP:
         {
+            if (window->win32.frameAction)
+                break;
+
             // HACK: Disable the cursor once the user is done moving or
             //       resizing the window or using the menu
             if (window->cursorMode == GLFW_CURSOR_DISABLED)