1/* Copyright (c) 2013-2018 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 "ActionMapper.h"
  7
  8#include "ConfigController.h"
  9#include "ShortcutController.h"
 10
 11#include <QMenu>
 12#include <QMenuBar>
 13
 14using namespace QGBA;
 15
 16void ActionMapper::addMenu(const QString& visibleName, const QString& name, const QString& parent) {
 17	QString mname(QString(".%1").arg(name));
 18	m_menus[parent].append(mname);
 19	m_reverseMenus[mname] = parent;
 20	m_menuNames[name] = visibleName;
 21}
 22
 23void ActionMapper::addHiddenMenu(const QString& visibleName, const QString& name, const QString& parent) {
 24	m_hiddenActions.insert(QString(".%1").arg(name));
 25	addMenu(visibleName, name, parent);
 26}
 27
 28void ActionMapper::clearMenu(const QString& name) {
 29	m_menus[name].clear();
 30	emit menuCleared(name);
 31}
 32
 33void ActionMapper::rebuildMenu(QMenuBar* menubar, const ShortcutController& shortcuts) {
 34	menubar->clear();
 35	for (const QString& m : m_menus[{}]) {
 36		if (m_hiddenActions.contains(m)) {
 37			continue;
 38		}
 39		QString menu = m.mid(1);
 40		QMenu* qmenu = menubar->addMenu(m_menuNames[menu]);
 41
 42		rebuildMenu(menu, qmenu, shortcuts);
 43	}
 44}
 45
 46void ActionMapper::rebuildMenu(const QString& menu, QMenu* qmenu, const ShortcutController& shortcuts) {
 47	for (const QString& actionName : m_menus[menu]) {
 48		if (actionName.isNull()) {
 49			qmenu->addSeparator();
 50			continue;
 51		}
 52		if (m_hiddenActions.contains(actionName)) {
 53			continue;
 54		}
 55		if (actionName[0] == '.') {
 56			QString name = actionName.mid(1);
 57			QMenu* newMenu = qmenu->addMenu(m_menuNames[name]);
 58			rebuildMenu(name, newMenu, shortcuts);
 59			continue;
 60		}
 61		Action* action = &m_actions[actionName];
 62		QAction* qaction = qmenu->addAction(action->visibleName());
 63		qaction->setEnabled(action->isEnabled());
 64		if (action->isExclusive() || action->booleanAction()) {
 65			qaction->setCheckable(true);
 66		}
 67		if (action->isActive()) {
 68			qaction->setChecked(true);
 69		}
 70		const Shortcut* shortcut = shortcuts.shortcut(actionName);
 71		if (shortcut && shortcut->shortcut() > 0) {
 72			qaction->setShortcut(QKeySequence(shortcut->shortcut()));
 73		} else if (!m_defaultShortcuts[actionName].isEmpty()) {
 74			qaction->setShortcut(m_defaultShortcuts[actionName][0]);
 75		}
 76		QObject::connect(qaction, &QAction::triggered, [qaction, action](bool enabled) {
 77			if (qaction->isCheckable()) {
 78				action->trigger(enabled);
 79			} else {
 80				action->trigger();
 81			}
 82		});
 83		QObject::connect(action, &Action::enabled, qaction, &QAction::setEnabled);
 84		QObject::connect(action, &Action::activated, qaction, &QAction::setChecked);
 85		QObject::connect(action, &Action::destroyed, qaction, &QAction::deleteLater);
 86		if (shortcut) {
 87			QObject::connect(shortcut, &Shortcut::shortcutChanged, qaction, [qaction](int shortcut) {
 88				qaction->setShortcut(QKeySequence(shortcut));
 89			});
 90		}
 91	}
 92}
 93
 94void ActionMapper::addSeparator(const QString& menu) {
 95	m_menus[menu].append(QString{});
 96}
 97
 98Action* ActionMapper::addAction(const Action& act, const QString& name, const QString& menu, const QKeySequence& shortcut) {
 99	m_actions.insert(name, act);
100	m_reverseMenus[name] = menu;
101	m_menus[menu].append(name);
102	if (!shortcut.isEmpty()) {
103		m_defaultShortcuts[name] = shortcut;
104	}
105	emit actionAdded(name);
106
107	return &m_actions[name];
108}
109
110Action* ActionMapper::addAction(const QString& visibleName, const QString& name, Action::Function action, const QString& menu, const QKeySequence& shortcut) {
111	return addAction(Action(action, name, visibleName), name, menu, shortcut);
112}
113
114Action* ActionMapper::addAction(const QString& visibleName, ConfigOption* option, const QVariant& variant, const QString& menu) {
115	return addAction(Action([option, variant]() {
116		option->setValue(variant);
117	}, option->name(), visibleName), QString("%1.%2").arg(option->name()).arg(variant.toString()), menu, {});
118}
119
120Action* ActionMapper::addBooleanAction(const QString& visibleName, const QString& name, Action::BooleanFunction action, const QString& menu, const QKeySequence& shortcut) {
121	return addAction(Action(action, name, visibleName), name, menu, shortcut);
122}
123
124Action* ActionMapper::addBooleanAction(const QString& visibleName, ConfigOption* option, const QString& menu) {
125	return addAction(Action([option](bool value) {
126		option->setValue(value);
127	}, option->name(), visibleName), option->name(), menu, {});
128}
129
130Action* ActionMapper::addHeldAction(const QString& visibleName, const QString& name, Action::BooleanFunction action, const QString& menu, const QKeySequence& shortcut) {
131	m_hiddenActions.insert(name);
132	m_heldActions.insert(name);
133	return addBooleanAction(visibleName, name, action, menu, shortcut);
134}
135
136Action* ActionMapper::addHiddenAction(const QString& visibleName, const QString& name, Action::Function action, const QString& menu, const QKeySequence& shortcut) {
137	m_hiddenActions.insert(name);
138	return addAction(visibleName, name, action, menu, shortcut);
139}
140
141QStringList ActionMapper::menuItems(const QString& menu) const {
142	return m_menus[menu];
143}
144
145QString ActionMapper::menuFor(const QString& menu) const {
146	return m_reverseMenus[menu];
147}
148
149QString ActionMapper::menuName(const QString& menu) const {
150	if (!menu.isNull() && menu[0] == '.') {
151		return m_menuNames[menu.mid(1)];
152	}
153	return m_menuNames[menu];
154}
155
156Action* ActionMapper::getAction(const QString& itemName) {
157	return &m_actions[itemName];
158}
159
160QKeySequence ActionMapper::defaultShortcut(const QString& itemName) {
161	return m_defaultShortcuts[itemName];
162}