1/* Copyright (c) 2013-2017 Jeffrey Pfau
 2 *
 3 * This Source Code Form is subject to the terms of the Mozilla Public
 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 6#include "ColorPicker.h"
 7
 8#include <QColorDialog>
 9#include <QEvent>
10
11using namespace QGBA;
12
13ColorPicker::ColorPicker() {
14}
15
16ColorPicker::ColorPicker(QWidget* parent, const QColor& defaultColor)
17	: m_parent(parent)
18{
19	QPalette palette = parent->palette();
20	palette.setColor(parent->backgroundRole(), defaultColor);
21	parent->setPalette(palette);
22	parent->installEventFilter(this);
23}
24
25ColorPicker& ColorPicker::operator=(const ColorPicker& other) {
26	if (m_parent) {
27		m_parent->removeEventFilter(this);
28	}
29	m_parent = other.m_parent;
30	m_parent->installEventFilter(this);
31
32	return *this;
33}
34
35bool ColorPicker::eventFilter(QObject* obj, QEvent* event) {
36	if (event->type() != QEvent::MouseButtonRelease) {
37		return false;
38	}
39	int colorId;
40	if (obj != m_parent) {
41		return false;
42	}
43
44	QWidget* swatch = static_cast<QWidget*>(obj);
45
46	QColorDialog* colorPicker = new QColorDialog;
47	colorPicker->setAttribute(Qt::WA_DeleteOnClose);
48	colorPicker->open();
49	connect(colorPicker, &QColorDialog::colorSelected, [this, swatch](const QColor& color) {
50		QPalette palette = swatch->palette();
51		palette.setColor(swatch->backgroundRole(), color);
52		swatch->setPalette(palette);
53		emit colorChanged(color);
54	});
55	return true;
56}