#include <Application.h>
#include <View.h>
#include <Window.h>

#include <stdio.h>
#include <stdlib.h>

static void
ChangeColor(rgb_color &color)
{
        color.red = rand() % 255;
        color.green = rand() % 255;
}


class PulseView : public BView {
public:
        PulseView(BRect rect, const char *name, uint32 resizeMode, uint32 flags)
                : BView(rect, name, resizeMode, flags)
        {
                fLeft = Bounds().OffsetToCopy(B_ORIGIN);
                fLeft.right -= Bounds().Width() / 2;
                fRight = fLeft.OffsetByCopy(fLeft.Width(), 0);
                fColor.red = 255;
                fColor.green = 255;
                fColor.blue = 255;
        }
        
        virtual void Pulse()
        {
                SetHighColor(fColor);
                BRect rect = fRight;
                
                if (fLeftTurn)
                        rect = fLeft;
                
                FillRect(rect, B_SOLID_HIGH);
                
                fLeftTurn = !fLeftTurn;
                
                ChangeColor(fColor);    
        }
        
        BRect fLeft;
        BRect fRight;   
        
        bool fLeftTurn;
        rgb_color fColor;
};

void
show_window(BWindow *window)
{
        BView *view = new PulseView(window->Bounds(), "pulse view", B_FOLLOW_ALL, B_PULSE_NEEDED|B_WILL_DRAW);
        window->SetPulseRate(500000);
        window->AddChild(view);
        window->Show();
}


int main()
{
        srand(time(NULL));
        BApplication app("application/x-vnd.pulse_test");
        BWindow *window = new BWindow(BRect(100, 100, 400, 300), "pulse test",
                B_TITLED_WINDOW, B_QUIT_ON_WINDOW_CLOSE | B_ASYNCHRONOUS_CONTROLS | B_NOT_RESIZABLE);
        show_window(window);    
        app.Run();
}