NotSoEasyGL/WidgetButton.cpp at master · feiyuren233/NotSoEasyGL · GitHub

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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

#include "WidgetButton.h"

void Button::onButtonPress(int x, int y, int buttonCode) {
	pressed = true;
	std::cout << "Button pressed ID = " << componentID << std::endl;
}

Button::Button(int TLx, int TLy, int BRx, int BRy) :
		TLPosition(TLx, TLy), BRPosition(BRx, BRy), GUIComponentBase(TLx, TLy) {
	width = BRPosition.x - TLPosition.x;
	height = BRPosition.y - TLPosition.y;

	clickCallback = NULL;
	buttonPressCallback = NULL;
	drawCallBack = NULL;
	dragCallBack = NULL;

	pressed = false;
	focused = false;
}

Point2i Button::getTLPosition() {
	return TLPosition;
}

void Button::setTLPosition(int x, int y) {
	TLPosition.x = x;
	TLPosition.y = y;
}

void Button::drawDefaultButton(cairo_t *context) {
	if (pressed)
		cairo_set_source_rgba(context, 0.5, 0.5, 1, 1);
	else if (focused)
		cairo_set_source_rgba(context, 0.5, 0.8, 1, 1);
	else
		cairo_set_source_rgba(context, 0.5, 0.5, 1, 0.5);
	cairo_rectangle(context, TLPosition.x, TLPosition.y, width, height);
	cairo_fill(context);
}

void Button::onClick(int x, int y) {
	pressed = false;
	if (clickCallback)
		clickCallback(this, x, y);
	std::cout << "Button clicked ID = " << componentID << std::endl;
}

void Button::onDraw(cairo_t* context) {
	if (drawCallBack)
		drawCallBack(this, context);
	else {
		drawDefaultButton(context);
	}
	//std::cout<<"Button virtually drawn ID = "<<componentID<<std::endl;
}

void Button::onRemap(uint_fast8_t* map) {
	for (int i = TLPosition.x; i < BRPosition.x; i++) {
		for (int j = TLPosition.y; j < BRPosition.y; j++) {
			map[TranslateMap(i, j)] = componentID;
		}
	}
}

void Button::regOnDraw(void (*drawCB)(Button*, cairo_t*)) {
	drawCallBack = drawCB;
}

void Button::regOnDrag(void (*dragCB)(Button*, int, int)) {
	dragCallBack = dragCB;
}

void Button::onDrag(int x, int y) {
	if (dragCallBack)
		dragCallBack(this, x, y);
	else {
		if (x > TLPosition.x && x < BRPosition.x && y > TLPosition.y
				&& y < BRPosition.y)
			pressed = true;
		else
			pressed = false;
	}
}
void Button::onDrop(int x, int y) {
	if (idAtGUImapLocation(x, y) == componentID)
		onClick(x, y);
}

void Button::onFocus() {
	focused = true;

}
void Button::onUnFocus() {
	focused = false;
}