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 "InputController.h"
 10#include "ShortcutController.h"
 11#include "ShortcutModel.h"
 12
 13#include <QFontMetrics>
 14#include <QKeyEvent>
 15
 16using namespace QGBA;
 17
 18ShortcutView::ShortcutView(QWidget* parent)
 19	: QWidget(parent)
 20{
 21	m_ui.setupUi(this);
 22	m_ui.keyEdit->setValueKey(0);
 23
 24	connect(m_ui.gamepadButton, &QAbstractButton::pressed, [this]() {
 25		bool signalsBlocked = m_ui.keyEdit->blockSignals(true);
 26		m_ui.keyEdit->setValueButton(-1);
 27		m_ui.keyEdit->blockSignals(signalsBlocked);
 28	});
 29	connect(m_ui.keyboardButton, &QAbstractButton::pressed, [this]() {
 30		bool signalsBlocked = m_ui.keyEdit->blockSignals(true);
 31		m_ui.keyEdit->setValueKey(0);
 32		m_ui.keyEdit->blockSignals(signalsBlocked);
 33	});
 34	connect(m_ui.keyEdit, &KeyEditor::valueChanged, this, &ShortcutView::updateButton);
 35	connect(m_ui.keyEdit, &KeyEditor::axisChanged, this, &ShortcutView::updateAxis);
 36	connect(m_ui.shortcutTable, &QAbstractItemView::doubleClicked, this, &ShortcutView::load);
 37	connect(m_ui.clearButton, &QAbstractButton::clicked, this, &ShortcutView::clear);
 38}
 39
 40ShortcutView::~ShortcutView() {
 41	m_input->releaseFocus(this);
 42}
 43
 44void ShortcutView::setController(ShortcutController* controller) {
 45	m_controller = controller;
 46	m_model = new ShortcutModel(this);
 47	m_model->setController(controller);
 48	m_ui.shortcutTable->setModel(m_model);
 49}
 50
 51void ShortcutView::setInputController(InputController* controller) {
 52	if (m_input) {
 53		m_input->releaseFocus(this);
 54	}
 55	m_input = controller;
 56	m_input->stealFocus(this);
 57}
 58
 59void ShortcutView::load(const QModelIndex& index) {
 60	if (!m_controller) {
 61		return;
 62	}
 63	QString name = m_model->name(index);
 64	const Shortcut* item = m_controller->shortcut(name);
 65	if (!item || !item->action()) {
 66		return;
 67	}
 68	int shortcut = item->shortcut();
 69	if (index.column() == 1) {
 70		m_ui.keyboardButton->click();
 71	} else if (index.column() == 2) {
 72		m_ui.gamepadButton->click();
 73	}
 74	bool blockSignals = m_ui.keyEdit->blockSignals(true);
 75	m_ui.keyEdit->setFocus(Qt::MouseFocusReason);
 76	if (m_ui.gamepadButton->isChecked()) {
 77		m_ui.keyEdit->setValueButton(-1); // There are no default bindings
 78	} else {
 79		m_ui.keyEdit->setValueKey(shortcut);
 80	}
 81	m_ui.keyEdit->blockSignals(blockSignals);
 82}
 83
 84void ShortcutView::clear() {
 85	if (!m_controller) {
 86		return;
 87	}
 88	QModelIndex index = m_ui.shortcutTable->selectionModel()->currentIndex();
 89	QString name = m_model->name(index);
 90	const Shortcut* item = m_controller->shortcut(name);
 91	if (!item || !item->action()) {
 92		return;
 93	}
 94	if (m_ui.gamepadButton->isChecked()) {
 95		m_controller->clearButton(name);
 96		m_controller->clearAxis(name);
 97		m_ui.keyEdit->setValueButton(-1);
 98	} else {
 99		m_controller->clearKey(name);
100		m_ui.keyEdit->setValueKey(-1);
101	}
102}
103
104void ShortcutView::updateButton(int button) {
105	if (!m_controller) {
106		return;
107	}
108	QString name = m_model->name(m_ui.shortcutTable->selectionModel()->currentIndex());
109	const Shortcut* item = m_controller->shortcut(name);
110	if (!item || !item->action()) {
111		return;
112	}
113	if (m_ui.gamepadButton->isChecked()) {
114		m_controller->updateButton(name, button);
115	} else {
116		m_controller->updateKey(name, button);
117	}
118}
119
120void ShortcutView::updateAxis(int axis, int direction) {
121	if (!m_controller) {
122		return;
123	}
124	QString name = m_model->name(m_ui.shortcutTable->selectionModel()->currentIndex());
125	const Shortcut* item = m_controller->shortcut(name);
126	if (!item || !item->action()) {
127		return;
128	}
129	m_controller->updateAxis(name, axis, static_cast<GamepadAxisEvent::Direction>(direction));
130}
131
132void ShortcutView::closeEvent(QCloseEvent*) {
133	if (m_input) {
134		m_input->releaseFocus(this);
135	}
136}
137
138void ShortcutView::showEvent(QShowEvent*) {
139	QString longString("Ctrl+Alt+Shift+Tab");
140	int width = QFontMetrics(QFont()).width(longString);
141	QHeaderView* header = m_ui.shortcutTable->header();
142	header->resizeSection(0, header->length() - width * 2);
143	header->resizeSection(1, width);
144	header->resizeSection(2, width);
145}
146
147bool ShortcutView::event(QEvent* event) {
148	if (m_input) {
149		QEvent::Type type = event->type();
150		if (type == QEvent::WindowActivate || type == QEvent::Show) {
151			m_input->stealFocus(this);
152		} else if (type == QEvent::WindowDeactivate || type == QEvent::Hide) {
153			m_input->releaseFocus(this);
154		}
155	}
156	return QWidget::event(event);
157}