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_key(-1)
19	, m_axis(-1)
20	, m_button(false)
21{
22	setAlignment(Qt::AlignCenter);
23}
24
25void KeyEditor::setValue(int key) {
26	m_key = key;
27	if (m_button) {
28		updateButtonText();
29	} else {
30		setText(QKeySequence(key).toString(QKeySequence::NativeText));
31	}
32	emit valueChanged(key);
33}
34
35void KeyEditor::setValueKey(int key) {
36	m_button = false;
37	setValue(key);
38}
39
40void KeyEditor::setValueButton(int button) {
41	m_button = true;
42	setValue(button);
43}
44
45void KeyEditor::setValueAxis(int axis, int32_t value) {
46	m_button = true;
47	m_axis = axis;
48	m_direction = value < 0 ? GamepadAxisEvent::NEGATIVE : GamepadAxisEvent::POSITIVE;
49	updateButtonText();
50	emit axisChanged(axis, m_direction);
51}
52
53QSize KeyEditor::sizeHint() const {
54	QSize hint = QLineEdit::sizeHint();
55	hint.setWidth(40);
56	return hint;
57}
58
59void KeyEditor::keyPressEvent(QKeyEvent* event) {
60	if (!m_button) {
61		setValue(event->key());
62	}
63	event->accept();
64}
65
66bool KeyEditor::event(QEvent* event) {
67	if (!m_button) {
68		return QWidget::event(event);
69	}
70	if (event->type() == GamepadButtonEvent::Down()) {
71		setValueButton(static_cast<GamepadButtonEvent*>(event)->value());
72		event->accept();
73		return true;
74	}
75	if (event->type() == GamepadAxisEvent::Type()) {
76		GamepadAxisEvent* gae = static_cast<GamepadAxisEvent*>(event);
77		if (gae->isNew()) {
78			setValueAxis(gae->axis(), gae->direction());
79		}
80		event->accept();
81		return true;
82	}
83	return QWidget::event(event);
84}
85
86void KeyEditor::updateButtonText() {
87	QStringList text;
88	if (m_key >= 0) {
89		text.append(QString::number(m_key));
90	}
91	if (m_direction != GamepadAxisEvent::NEUTRAL) {
92		text.append((m_direction == GamepadAxisEvent::NEGATIVE ? "-" : "+") + QString::number(m_axis));
93	}
94	if (text.isEmpty()) {
95		setText(tr("---"));
96	} else {
97		setText(text.join("/"));
98	}
99}