Button.cpp

#include "Include/Button.h"

void button::init(int x, int y, int s, std::string t, TTF_Font* f)
{
	px = float(x);
	py = float(y);
	size = s;
	text = t;
	font = f;
	h = size;
	w = h * 3.5;
	rx = px - w / 2;
	ry = py - h / 7.5;
	currentState = buttonState::DEFAULT;
}

bool button::checkInside(int x, int y)
{
	if (x > px - w / 2 &&
		x < px + w / 2 &&
		y > py - h / 2 &&
		y < py + h) {
		return true;
	}
	else {
		return false;
	}
}

void button::checkButton(Uint32 mouses, int x, int y)
{
	currentState = buttonState::DEFAULT;
	//check mouse input
	//if mouse is on the button
	if (checkInside(x, y))
	{
		currentState = buttonState::HOVERED;
		//if mouse is pressing the button
		if (mouses & SDL_BUTTON(SDL_BUTTON_LEFT))
		{
			currentState = buttonState::PRESSED;
		}
	}
}

void button::setText(std::string t)
{
	text = t;
}


void button::render(SDL_Renderer* target)
{
	//TODO: fix render
	//printf("px = %f, py = %f, rx = %i, ry = %i\n", px, py, rx, ry);
	SDL_Rect buttonRect{ rx, ry, w, h };

	//draw button rect
	switch (currentState)
	{
	case buttonState::DEFAULT:
		SDL_SetRenderDrawColor(target, 255, 255, 255, 255);
		SDL_RenderDrawRect(target, &buttonRect);
		break;
	case buttonState::HOVERED:
		SDL_SetRenderDrawColor(target, 100, 100, 100, 100);
		SDL_RenderFillRect(target, &buttonRect);
		SDL_SetRenderDrawColor(target, 200, 200, 200, 255);
		SDL_RenderDrawRect(target, &buttonRect);
		break;
	case buttonState::PRESSED:
		SDL_SetRenderDrawColor(target, 50, 50, 50, 100);
		SDL_RenderFillRect(target, &buttonRect);
		SDL_SetRenderDrawColor(target, 150, 150, 150, 255);
		SDL_RenderDrawRect(target, &buttonRect);
		break;
	}

	//draw text
	SDL_Color color = { 255, 255, 255 };
	drawText(px, py, font, color, text, 1);
}