#include "gui.h"
#include "sed1335.h"
#include "graphics.h"
#include "touch.h"

//#include "string.h"

struct Widget widgets[MAX_WIDGETS];  // keep array in bank 1
char num_widgets;

void GUI_init()
{
	num_widgets = 0;
}

void GUI_add_button(unsigned short left_x, unsigned short top_y,
					unsigned short width, unsigned short height,
					flash unsigned char* bitmap, void (*on_press)())
{
	SED1335_bitmap(bitmap, top_y, left_x);

	
	// Add button to widget list
	widgets[num_widgets].x1 = left_x + 10;
	widgets[num_widgets].y1 = top_y + 10;
	widgets[num_widgets].x2 = left_x + width - 10 ;
	widgets[num_widgets].y2 = top_y + height - 10;	
	widgets[num_widgets].on_press = on_press;
	

	num_widgets++;

	// draw button
	rectangle(left_x+10, top_y+10, width-20, height-20);
}

void GUI_poll ()
{
	char i;
	struct Point* coord;

	for (i=0; i<num_widgets; i++)
	{
		coord = TOUCH_get_coord();
	
		// if coord inside the button
		if ( ((*coord).x > widgets[i].x1) && ((*coord).x < widgets[i].x2) &&
			 ((*coord).y > widgets[i].y1) && ((*coord).y < widgets[i].y2) )
		{
			widgets[i].on_press();		// execute callback
			return;
		}
	}
}