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#ifndef QGBA_SHORTCUT_MODEL
  7#define QGBA_SHORTCUT_MODEL
  8
  9#include "GamepadAxisEvent.h"
 10
 11#include <QAbstractItemModel>
 12#include <QKeySequence>
 13
 14#include <functional>
 15
 16class QAction;
 17class QKeyEvent;
 18class QMenu;
 19class QString;
 20
 21namespace QGBA {
 22
 23class ConfigController;
 24class InputProfile;
 25
 26class ShortcutController : public QAbstractItemModel {
 27Q_OBJECT
 28
 29private:
 30	constexpr static const char* const KEY_SECTION = "shortcutKey";
 31	constexpr static const char* const BUTTON_SECTION = "shortcutButton";
 32	constexpr static const char* const AXIS_SECTION = "shortcutAxis";
 33	constexpr static const char* const BUTTON_PROFILE_SECTION = "shortcutProfileButton.";
 34	constexpr static const char* const AXIS_PROFILE_SECTION = "shortcutProfileAxis.";
 35
 36	class ShortcutItem {
 37	public:
 38		typedef QPair<std::function<void ()>, std::function<void ()>> Functions;
 39
 40		ShortcutItem(QAction* action, const QString& name, ShortcutItem* parent = nullptr);
 41		ShortcutItem(Functions functions, const QKeySequence& shortcut, const QString& visibleName, const QString& name,
 42		             ShortcutItem* parent = nullptr);
 43		ShortcutItem(QMenu* action, ShortcutItem* parent = nullptr);
 44
 45		QAction* action() { return m_action; }
 46		const QAction* action() const { return m_action; }
 47		const QKeySequence& shortcut() const { return m_shortcut; }
 48		Functions functions() const { return m_functions; }
 49		QMenu* menu() { return m_menu; }
 50		const QMenu* menu() const { return m_menu; }
 51		const QString& visibleName() const { return m_visibleName; }
 52		const QString& name() const { return m_name; }
 53		QList<ShortcutItem>& items() { return m_items; }
 54		const QList<ShortcutItem>& items() const { return m_items; }
 55		ShortcutItem* parent() { return m_parent; }
 56		const ShortcutItem* parent() const { return m_parent; }
 57		void addAction(QAction* action, const QString& name);
 58		void addFunctions(Functions functions, const QKeySequence& shortcut, const QString& visibleName,
 59		                  const QString& name);
 60		void addSubmenu(QMenu* menu);
 61		int button() const { return m_button; }
 62		void setShortcut(const QKeySequence& sequence);
 63		void setButton(int button) { m_button = button; }
 64		int axis() const { return m_axis; }
 65		GamepadAxisEvent::Direction direction() const { return m_direction; }
 66		void setAxis(int axis, GamepadAxisEvent::Direction direction);
 67
 68		bool operator==(const ShortcutItem& other) const {
 69			return m_menu == other.m_menu && m_action == other.m_action;
 70		}
 71
 72	private:
 73		QAction* m_action;
 74		QKeySequence m_shortcut;
 75		QMenu* m_menu;
 76		Functions m_functions;
 77		QString m_name;
 78		QString m_visibleName;
 79		int m_button;
 80		int m_axis;
 81		GamepadAxisEvent::Direction m_direction;
 82		QList<ShortcutItem> m_items;
 83		ShortcutItem* m_parent;
 84	};
 85
 86public:
 87	ShortcutController(QObject* parent = nullptr);
 88
 89	void setConfigController(ConfigController* controller);
 90	void setProfile(const QString& profile);
 91
 92	virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
 93	virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
 94
 95	virtual QModelIndex index(int row, int column, const QModelIndex& parent) const override;
 96	virtual QModelIndex parent(const QModelIndex& index) const override;
 97
 98	virtual int columnCount(const QModelIndex& parent = QModelIndex()) const override;
 99	virtual int rowCount(const QModelIndex& parent = QModelIndex()) const override;
100
101	void addAction(QMenu* menu, QAction* action, const QString& name);
102	void addFunctions(QMenu* menu, std::function<void()> press, std::function<void()> release,
103	                  const QKeySequence& shortcut, const QString& visibleName, const QString& name);
104	void addMenu(QMenu* menu, QMenu* parent = nullptr);
105
106	QKeySequence shortcutAt(const QModelIndex& index) const;
107	bool isMenuAt(const QModelIndex& index) const;
108
109	void updateKey(const QModelIndex& index, const QKeySequence& keySequence);
110	void updateButton(const QModelIndex& index, int button);
111	void updateAxis(const QModelIndex& index, int axis, GamepadAxisEvent::Direction direction);
112
113	void clearKey(const QModelIndex& index);
114	void clearButton(const QModelIndex& index);
115
116	static QKeySequence keyEventToSequence(const QKeyEvent*);
117
118public slots:
119	void loadProfile(const QString& profile);
120
121protected:
122	bool eventFilter(QObject*, QEvent*) override;
123
124private:
125	ShortcutItem* itemAt(const QModelIndex& index);
126	const ShortcutItem* itemAt(const QModelIndex& index) const;
127	void loadShortcuts(ShortcutItem*);
128	void loadGamepadShortcuts(ShortcutItem*);
129	void onSubitems(ShortcutItem*, std::function<void(ShortcutItem*)> func);
130
131	ShortcutItem m_rootMenu;
132	QMap<QMenu*, ShortcutItem*> m_menuMap;
133	QMap<int, ShortcutItem*> m_buttons;
134	QMap<QPair<int, GamepadAxisEvent::Direction>, ShortcutItem*> m_axes;
135	QMap<QKeySequence, ShortcutItem*> m_heldKeys;
136	ConfigController* m_config;
137	QString m_profileName;
138	const InputProfile* m_profile;
139};
140
141}
142
143#endif