#include "RefreshSlider.h"
#include "Constants.h"

#include <Window.h>

#include <stdio.h>


RefreshSlider::RefreshSlider(BRect frame)
	:BSlider(frame, "Screen", "Refresh Rate:", 
		new BMessage(SLIDER_INVOKE_MSG), gMinRefresh * 10, gMaxRefresh * 10),
	fStatus(new char[32])
{	
}


RefreshSlider::~RefreshSlider()
{
	delete[] fStatus;
}


void
RefreshSlider::DrawFocusMark()
{
	if (IsFocus()) {
		rgb_color blue = { 0, 0, 229, 255 };
		
		BRect rect(ThumbFrame());		
		BView *view = OffscreenView();
				
		rect.InsetBy(2.0, 2.0);
		rect.right--;
		rect.bottom--;
		
		view->SetHighColor(blue);
		view->StrokeRect(rect);
	}
}


void
RefreshSlider::KeyDown(const char *bytes, int32 numBytes)
{
	switch (*bytes) {
		case B_LEFT_ARROW:
		{
			SetValue(Value() - 1);
			Invoke();
			break;
		}
		
		case B_RIGHT_ARROW:
		{
			SetValue(Value() + 1);
			Invoke();
			break;
		}

		default:
			break;
	}
}


char*
RefreshSlider::UpdateText() const
{
	if (fStatus) {
		sprintf(fStatus, "%.1f Hz", (float)Value() / 10);
		return fStatus;
	} else 
		return NULL;
}