// 
// CSE143, Summer 2001
// Homework 5
// Air Traffic Control Starter Code
// ATCUI.cpp
//

#include "Simulator.h"
#include "ATCUI.h"


ATCUI::ATCUI(Simulator *aSim,GP142Display *aDisplay) {
	theSim = aSim;
	display = aDisplay;
	display->clear (White);
	display->setAnimation (Run);
	drawButtons();
}

// Draws the buttons to the screen
void ATCUI::drawButtons()  {
	int i;
	int text_offset = MENU_LEFT+10;	// offset of button text in button  
	int font_size = 12;				// size of button text  
	
	// draw rectangles for each button  
	for(i = 0; i < NUM_BUTTONS; i++) {
			display->drawRectangle(MENU_LEFT,
			MENU_TOP - i * BUTTON_HEIGHT,
			MENU_LEFT + BUTTON_WIDTH,
			MENU_TOP - (i + 1) * BUTTON_HEIGHT, Black, 1);
	}
	
	// display button text  
	i = MENU_TOP - (BUTTON_HEIGHT/2) - (font_size/2);
	display->write(text_offset, i, "Increase Traffic", Black, font_size);

	i -= BUTTON_HEIGHT;
	display->write(text_offset, i, "Decrease Traffic", Black, font_size);
	
	i -= BUTTON_HEIGHT;
	display->write(text_offset, i, "Run Sim", Black, font_size);

	i -= BUTTON_HEIGHT;
	display->write(text_offset, i, "Stop Sim", Black, font_size);
	
}


// Classify mouse click at (mouse_x,mouse_y) and return kind  
void ATCUI::handle_mouse_click(int mouse_x, int mouse_y) {
	if ((mouse_x > MENU_LEFT) &&
		(mouse_x < MENU_LEFT + BUTTON_WIDTH) &&
		(mouse_y < MENU_TOP) &&
		(mouse_y > (MENU_TOP - NUM_BUTTONS * BUTTON_HEIGHT)))
			handle_button(mouse_x,mouse_y);
	else
		handleScreenClick(mouse_x,mouse_y);

}


//Handles mouse clicks that occur outside of the menu box
void ATCUI::handleScreenClick(int mouseX,int mouseY) {

	
}



// Process button click at location x, y
void ATCUI::handle_button(int x, int y)  {
	int buttonNum;		// number of selected button  

	// Convert y coordinate to button number from top.  
	buttonNum = (MENU_TOP - y)/BUTTON_HEIGHT;	 
	
	switch(buttonNum) {
	case 0:
		//code to process 1st button
		break;
	
	case 1:
		//code to process 2nd button...
		break;
		
	case 2:
		break;
	
	case 3:
		break;
	
	default:
		break;
	}
}

void ATCUI::draw()  {
	display->clear (White);
	drawButtons();
}