Example 9.47. Method to enlarge the responder space to full screen

SFMTYPEDEFCLASS(USRApplication)
class USRApplication : public SFYApplication {
    SFMSEALCOPY(USRApplication)
public:
    static  SFCInvokerPtr       Factory             (Void);
protected:
    explicit                    USRApplication      (Void) static_throws;
    virtual                     ~USRApplication     (Void);
private:
            SFCError            Initialize          (Void);

            // ...
};

// constructor of application class
USRApplication::USRApplication(Void) static_throws
{
    if (static_try()) {

        // re-initialize the renderer and the root in full screen mode
        static_throw(Initialize());
    }
    if (static_try()) {

        // describe the other initialization
 
        // ... 
    }
}

// re-initialize the renderer and the root in full screen mode
SFCError USRApplication::Initialize(Void)
{
    SFXGraphicsPtr  graphics;
    SFBDisplaySmp   display;
    SFYRendererPtr  renderer;
    SFZRootSmp      root;
    SFCError        error(SFERR_NO_ERROR);

    // get the SFXGraphics instance
    if ((graphics = SFXGraphics::GetInstance()) != null) {

        // get the SFBDisplay instance
        display = graphics->GetSFBDisplay();

        // change display settings(annunicators: yes, screen width / height: max)
        if ((error = display->SetPrefs("a:1,w:*,h:*")) == SFERR_NO_ERROR) {

            // reset the clipping rectangle to the default (destination bitmap bounds)
            display->ResetClipRect();

            // get the renderer
            if ((renderer = GetRenderer()) != null) {

                // initialize the renderer
                // * responder space will be enlarged to full screen
                renderer->Initialize();

                // get the root
                if ((root = static_pointer_cast<SFZRoot>(GetRoot())) != null) {

                    // set the root's real region to full screen
                    root->SetRealBound(root->GetSuitableBound());
                }
                else {
                    error = SFERR_INVALID_STATE;
                }
            }
            else {
                error = SFERR_INVALID_STATE;
            }
        }
    }
    else {
        error = SFERR_INVALID_STATE;
    }
    return error;
}