1/* Copyright (c) 2013-2015 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 "ShortcutView.h"
  7
  8#include "GamepadButtonEvent.h"
  9#include "ShortcutController.h"
 10
 11#include <QKeyEvent>
 12
 13using namespace QGBA;
 14
 15ShortcutView::ShortcutView(QWidget* parent)
 16	: QWidget(parent)
 17	, m_controller(nullptr)
 18{
 19	m_ui.setupUi(this);
 20	m_ui.keyEdit->setValueButton(-1);
 21	m_ui.keySequenceEdit->installEventFilter(this);
 22
 23	connect(m_ui.keySequenceEdit, SIGNAL(keySequenceChanged(const QKeySequence&)), this, SLOT(updateKey(const QKeySequence&)));
 24	connect(m_ui.keyEdit, SIGNAL(valueChanged(int)), this, SLOT(updateButton(int)));
 25	connect(m_ui.keyEdit, SIGNAL(axisChanged(int, int)), this, SLOT(updateAxis(int, int)));
 26	connect(m_ui.shortcutTable, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(load(const QModelIndex&)));
 27	connect(m_ui.clearButton, SIGNAL(clicked()), this, SLOT(clear()));
 28}
 29
 30void ShortcutView::setController(ShortcutController* controller) {
 31	m_controller = controller;
 32	m_ui.shortcutTable->setModel(controller);
 33}
 34
 35bool ShortcutView::eventFilter(QObject*, QEvent* event) {
 36	if (event->type() == QEvent::KeyPress) {
 37		QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 38		if (keyEvent->key() != Qt::Key_Tab && keyEvent->key() != Qt::Key_Backtab) {
 39			return false;
 40		}
 41		if (!(keyEvent->modifiers() & ~Qt::ShiftModifier)) {
 42			m_ui.keySequenceEdit->setKeySequence(ShortcutController::keyEventToSequence(keyEvent));
 43			keyEvent->accept();
 44			return true;
 45		}
 46	}
 47	return false;
 48}
 49
 50void ShortcutView::load(const QModelIndex& index) {
 51	if (!m_controller) {
 52		return;
 53	}
 54	if (m_controller->isMenuAt(index)) {
 55		return;
 56	}
 57	QKeySequence sequence = m_controller->shortcutAt(index);
 58	if (index.column() == 1) {
 59		m_ui.keyboardButton->click();
 60	} else if (index.column() == 2) {
 61		m_ui.gamepadButton->click();
 62	}
 63	if (m_ui.gamepadButton->isChecked()) {
 64		bool blockSignals = m_ui.keyEdit->blockSignals(true);
 65		m_ui.keyEdit->setFocus();
 66		m_ui.keyEdit->setValueButton(-1); // There are no default bindings
 67		m_ui.keyEdit->blockSignals(blockSignals);
 68	} else {
 69		bool blockSignals = m_ui.keySequenceEdit->blockSignals(true);
 70		m_ui.keySequenceEdit->setFocus();
 71		m_ui.keySequenceEdit->setKeySequence(sequence);
 72		m_ui.keySequenceEdit->blockSignals(blockSignals);
 73	}
 74}
 75
 76void ShortcutView::clear() {
 77	if (!m_controller) {
 78		return;
 79	}
 80	QModelIndex index = m_ui.shortcutTable->selectionModel()->currentIndex();
 81	if (m_controller->isMenuAt(index)) {
 82		return;
 83	}
 84	if (m_ui.gamepadButton->isChecked()) {
 85		m_controller->clearButton(index);
 86		m_ui.keyEdit->setValueButton(-1);
 87	} else {
 88		m_controller->clearKey(index);
 89		m_ui.keySequenceEdit->setKeySequence(QKeySequence());
 90	}
 91}
 92
 93void ShortcutView::updateKey(const QKeySequence& shortcut) {
 94	if (!m_controller || m_controller->isMenuAt(m_ui.shortcutTable->selectionModel()->currentIndex())) {
 95		return;
 96	}
 97	m_controller->updateKey(m_ui.shortcutTable->selectionModel()->currentIndex(), shortcut);
 98}
 99
100void ShortcutView::updateButton(int button) {
101	if (!m_controller || m_controller->isMenuAt(m_ui.shortcutTable->selectionModel()->currentIndex())) {
102		return;
103	}
104	m_controller->updateButton(m_ui.shortcutTable->selectionModel()->currentIndex(), button);
105}
106
107void ShortcutView::updateAxis(int axis, int direction) {
108	if (!m_controller || m_controller->isMenuAt(m_ui.shortcutTable->selectionModel()->currentIndex())) {
109		return;
110	}
111	m_controller->updateAxis(m_ui.shortcutTable->selectionModel()->currentIndex(), axis,
112	                         static_cast<GamepadAxisEvent::Direction>(direction));
113}