Don't attempt to grab keyboard if --nokeyboard. Thanks #63

CMakeLists.txt

 
 include_directories("${PROJECT_BINARY_DIR}")
 
-add_definitions(-DSLOP_VERSION="v5.3.30")
+add_definitions(-DSLOP_VERSION="v5.3.31")
 
 # The names have to be unique unfortunately.
 set(EXECUTABLE_NAME "slop")

src/slop.cpp

     resource = new Resource();
     // Set up x11 temporarily
     x11 = new X11(options->xdisplay);
-    XErrorHandler ph = XSetErrorHandler(slop::TmpXError);
-    keyboard = new Keyboard( x11 );
-    XSetErrorHandler(ph);
+    if ( !options->nokeyboard ) {
+        XErrorHandler ph = XSetErrorHandler(slop::TmpXError);
+        keyboard = new Keyboard( x11 );
+        XSetErrorHandler(ph);
+    }
     bool success = false;
     std::string errorstring = "";
     SlopWindow* window;
     // This is where we'll run through all of our stuffs
     while( memory.running ) {
         slop::mouse->update();
-        slop::keyboard->update();
+        if ( !options->nokeyboard ) {
+            slop::keyboard->update();
+        }
         // We move our statemachine forward.
         memory.update( 1 );
 
         std::this_thread::sleep_for(std::chrono::milliseconds(10));
 
         // Then we draw the framebuffer to the screen
-        if ( (slop::keyboard->anyKeyDown() && !options->nokeyboard) || slop::mouse->getButton( 3 ) ) {
+        if ( (!options->nokeyboard && slop::keyboard->anyKeyDown()) || slop::mouse->getButton( 3 ) ) {
             memory.running = false;
             if ( cancelled ) {
                 *cancelled = true;
     // This is where we'll run through all of our stuffs
     while( memory.running ) {
         slop::mouse->update();
-        slop::keyboard->update();
+        if ( !options->nokeyboard ) {
+            slop::keyboard->update();
+        }
         // We move our statemachine forward.
         memory.update( 1 );
 
         if ( err != GL_NO_ERROR ) {
             throw err;
         }
-        if ( (slop::keyboard->anyKeyDown() && !options->nokeyboard) || slop::mouse->getButton( 3 ) ) {
+        if ( (!options->nokeyboard && slop::keyboard->anyKeyDown()) || slop::mouse->getButton( 3 ) ) {
             memory.running = false;
             if ( cancelled ) {
                 *cancelled = true;