1/* Copyright (c) 2013-2014 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 "KeyEditor.h"
 7
 8#include "GamepadAxisEvent.h"
 9#include "GamepadButtonEvent.h"
10
11#include <QKeyEvent>
12
13using namespace QGBA;
14
15KeyEditor::KeyEditor(QWidget* parent)
16	: QLineEdit(parent)
17	, m_direction(GamepadAxisEvent::NEUTRAL)
18	, m_button(false)
19{
20	setAlignment(Qt::AlignCenter);
21}
22
23void KeyEditor::setValue(int key) {
24	if (m_button) {
25		if (key < 0) {
26			clear();
27		} else {
28			setText(QString::number(key));
29		}
30	} else {
31		setText(QKeySequence(key).toString(QKeySequence::NativeText));
32	}
33	m_key = key;
34	emit valueChanged(key);
35}
36
37void KeyEditor::setValueKey(int key) {
38	m_button = false;
39	setValue(key);
40}
41
42void KeyEditor::setValueButton(int button) {
43	m_button = true;
44	m_direction = GamepadAxisEvent::NEUTRAL;
45	setValue(button);
46}
47
48void KeyEditor::setValueAxis(int axis, int32_t value) {
49	m_button = true;
50	m_key = axis;
51	m_direction = value < 0 ? GamepadAxisEvent::NEGATIVE : GamepadAxisEvent::POSITIVE;
52	setText((value < 0 ? "-" : "+") + QString::number(axis));
53	emit axisChanged(axis, m_direction);
54}
55
56QSize KeyEditor::sizeHint() const {
57	QSize hint = QLineEdit::sizeHint();
58	hint.setWidth(40);
59	return hint;
60}
61
62void KeyEditor::keyPressEvent(QKeyEvent* event) {
63	if (!m_button) {
64		setValue(event->key());
65	}
66	event->accept();
67}
68
69bool KeyEditor::event(QEvent* event) {
70	if (!m_button) {
71		return QWidget::event(event);
72	}
73	if (event->type() == GamepadButtonEvent::Down()) {
74		setValueButton(static_cast<GamepadButtonEvent*>(event)->value());
75		event->accept();
76		return true;
77	}
78	if (event->type() == GamepadAxisEvent::Type()) {
79		GamepadAxisEvent* gae = static_cast<GamepadAxisEvent*>(event);
80		if (gae->isNew()) {
81			setValueAxis(gae->axis(), gae->direction());
82		}
83		event->accept();
84		return true;
85	}
86	return QWidget::event(event);
87}