#include <ilviews/manager/manager.h>
#include <ilviews/graphics/rectangl.h>
#include <ilviews/graphics/ellipse.h>
#include <ilviews/manager/selinter.h>
#include <stdlib.h>

static void Quit(IlvView* view, IlvAny)
{
   delete view->getDisplay();;
   IlvExit(0);
}

static void QuitAccel(IlvManager* mgr, IlvView* view, IlvEvent& event, IlvAny userArg)
{
   IlvDisplay* display = mgr->getDisplay();
   delete display;
   IlvExit(0);
}

static void KillView(IlvView* view, IlvAny userArg)
{
   delete view;
}

static void CreateView(IlvManager* mgr, IlvView* view, IlvEvent& event, IlvAny userArg)
{
   // Get the coordinates of the double click event
   IlvPoint mousePosition;
   event.getGLocation(mousePosition);
   IlvView* newView = new IlvView(mgr->getDisplay(), "NewView", "Additional View",
                             IlvRect(mousePosition.x(), mousePosition.y(), 300,200));
   mgr->addView(newView);
   newView->setDestroyCallback(KillView);
}

static void AnimateEllipse(IlvTimer* timer, IlvAny userArg)
{
   static dx = 10;
   static dy = 10;

   IlvManager* manager = (IlvManager*)userArg;
   IlvFilledEllipse* mobile = (IlvFilledEllipse*)manager->getObject("MovingEllipse");
   if (!mobile)
    return;

   IlvRect bbox;
   mobile->boundingBox(bbox);
   if ((bbox.x() < 0) || (bbox.x() > 1000))
    dx = -dx;
   if ((bbox.y() < 0) || (bbox.y() > 1000))
    dy = -dy;

   manager->translateObject(mobile, dx, dy);
}

static void stopTimer(IlvManager* mgr, IlvView* view, IlvEvent& event, IlvAny userArg)
{
   IlvTimer* timer = (IlvTimer*)userArg;
   timer->suspend();
}

static void runTimer(IlvManager* mgr, IlvView* view, IlvEvent& event, IlvAny userArg)
{
   IlvTimer* timer = (IlvTimer*)userArg;
   timer->run();
}

int main(int argc, char** argv)
{
   // Creation of the Display
   IlvDisplay* display = new IlvDisplay("EvalKit1");
   // Creation of the Manager
   IlvManager* manager = new IlvManager(display);
   // Creation of the first view
   IlvView* view = new IlvView(display, "View1", "Main View - Step 4", IlvRect(0,0,600,400));
   // Attach the view to the manager
   manager->addView(view);

   // Add a selection interactor so that the rectangle can be selected, moved, resized
   // and destroyed
   // Creation of the interactor
   IlvSelectInteractor* selector = new IlvSelectInteractor(manager, view);
   // Set the interactor on the main view
   // Every object displayed in this view will be selectable, moveable, resizable
   manager->setInteractor(selector, view);

   // Add an user-defined accelerator to quit the application
   manager->addAccelerator(QuitAccel, IlvKeyDown, 'q');

   // Add another accelerator to create a new view
   manager->addAccelerator(CreateView, IlvDoubleClick, IlvLeftButton);

   // Creation of the colors
   IlvColor* color[4];
   color[0] = display->getColor("Red");
   color[1] = display->getColor("Green");
   color[2] = display->getColor("Blue");
   color[3] = display->getColor("Yellow");

   // Creation of 50 filled rectangles
   for (IlvUInt i=0; i < 50; i++)
   {
    IlvPos x = rand() % 1000;
    IlvPos y = rand() % 1000;
    IlvDim w = rand() % 100;
    IlvDim h = rand() % 100;
    IlvFilledRectangle* rectangle = new IlvFilledRectangle(display, IlvRect(x,y,w,h));
    rectangle->setForeground(color[i%4]);
    int layer = i % 4;
  manager->addObject(rectangle, IlvFalse, layer);
   }

   // Creation of the moving ellipse on the top layer
   IlvPos x = rand() % 1000;
   IlvPos y = rand() % 1000;
   IlvFilledEllipse* mobile = new IlvFilledEllipse(display, IlvRect(x,y,30,30));
   mobile->setForeground(display->getColor("White"));
   manager->addObject(mobile, IlvFalse, 4);
   // Give a name to the ellipse object
   manager->setObjectName(mobile, "MovingEllipse");

   // Creation of the timer to animate it
   IlvTimer* timer = new IlvTimer(display, 0, 50, AnimateEllipse, manager);
   timer->run();

   // Add 2 accelerators to manage the timer
   manager->addAccelerator(stopTimer, IlvKeyDown, 's', 0, timer);
   manager->addAccelerator(runTimer, IlvKeyDown, 'r', 0, timer);

   // Add an exit callback so that the exit button is valid
   view->setDestroyCallback(Quit);
   // Change the zooming factor of the view so that all the objects are visible
   manager->fitTransformerToContents(view);

   // Run the event loop
   IlvMainLoop();
   return 0;
}