/****************************************************************************
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** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
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** ensure the GNU Lesser General Public License version 3 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
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****************************************************************************/

#include "qkeyboardcontroller.h"
#include "qkeyboardcontroller_p.h"
#include "qkeyboardinput.h"
#include <Qt3DCore/private/qscene_p.h>
#include <Qt3DCore/qbackendscenepropertychange.h>

QT_BEGIN_NAMESPACE

using namespace Qt3DCore;

namespace Qt3DInput {

/*!
    \class Qt3DInput::QKeyboardControllerPrivate
    \internal
*/
QKeyboardControllerPrivate::QKeyboardControllerPrivate()
    : QAbstractPhysicalDevicePrivate()
{
    m_keyMap[QStringLiteral("escape")] = Qt::Key_Escape;
    m_keyMap[QStringLiteral("tab")] = Qt::Key_Tab;
    m_keyMap[QStringLiteral("backtab")] = Qt::Key_Backtab;
    m_keyMap[QStringLiteral("backspace")] = Qt::Key_Backspace;
    m_keyMap[QStringLiteral("return")] = Qt::Key_Return;
    m_keyMap[QStringLiteral("enter")] = Qt::Key_Enter;
    m_keyMap[QStringLiteral("insert")] = Qt::Key_Insert;
    m_keyMap[QStringLiteral("delete")] = Qt::Key_Delete;
    m_keyMap[QStringLiteral("pause")] = Qt::Key_Pause;
    m_keyMap[QStringLiteral("print")] = Qt::Key_Print;
    m_keyMap[QStringLiteral("sysreq")] = Qt::Key_SysReq;
    m_keyMap[QStringLiteral("clear")] = Qt::Key_Clear;
    m_keyMap[QStringLiteral("home")] = Qt::Key_Home;
    m_keyMap[QStringLiteral("end")] = Qt::Key_End;
    m_keyMap[QStringLiteral("left")] = Qt::Key_Left;
    m_keyMap[QStringLiteral("right")] = Qt::Key_Right;
    m_keyMap[QStringLiteral("up")] = Qt::Key_Up;
    m_keyMap[QStringLiteral("down")] = Qt::Key_Down;
    m_keyMap[QStringLiteral("pageUp")] = Qt::Key_PageUp;
    m_keyMap[QStringLiteral("pageDown")] = Qt::Key_PageDown;
    m_keyMap[QStringLiteral("shift")] = Qt::Key_Shift;
    m_keyMap[QStringLiteral("control")] = Qt::Key_Control;
    m_keyMap[QStringLiteral("meta")] = Qt::Key_Meta;
    m_keyMap[QStringLiteral("alt")] = Qt::Key_Alt;
    m_keyMap[QStringLiteral("capLock")] = Qt::Key_CapsLock;
    m_keyMap[QStringLiteral("numLock")] = Qt::Key_NumLock;
    m_keyMap[QStringLiteral("scrollLock")] = Qt::Key_ScrollLock;
    m_keyMap[QStringLiteral("F1")] = Qt::Key_F1;
    m_keyMap[QStringLiteral("F2")] = Qt::Key_F2;
    m_keyMap[QStringLiteral("F3")] = Qt::Key_F3;
    m_keyMap[QStringLiteral("F4")] = Qt::Key_F4;
    m_keyMap[QStringLiteral("F5")] = Qt::Key_F5;
    m_keyMap[QStringLiteral("F6")] = Qt::Key_F6;
    m_keyMap[QStringLiteral("F7")] = Qt::Key_F7;
    m_keyMap[QStringLiteral("F8")] = Qt::Key_F8;
    m_keyMap[QStringLiteral("F9")] = Qt::Key_F9;
    m_keyMap[QStringLiteral("F10")] = Qt::Key_F10;
    m_keyMap[QStringLiteral("F11")] = Qt::Key_F11;
    m_keyMap[QStringLiteral("F12")] = Qt::Key_F12;
    m_keyMap[QStringLiteral("F13")] = Qt::Key_F13;
    m_keyMap[QStringLiteral("F14")] = Qt::Key_F14;
    m_keyMap[QStringLiteral("F15")] = Qt::Key_F15;
    m_keyMap[QStringLiteral("F16")] = Qt::Key_F16;
    m_keyMap[QStringLiteral("F17")] = Qt::Key_F17;
    m_keyMap[QStringLiteral("F18")] = Qt::Key_F18;
    m_keyMap[QStringLiteral("F19")] = Qt::Key_F19;
    m_keyMap[QStringLiteral("F20")] = Qt::Key_F20;
    m_keyMap[QStringLiteral("F21")] = Qt::Key_F21;
    m_keyMap[QStringLiteral("F22")] = Qt::Key_F22;
    m_keyMap[QStringLiteral("F23")] = Qt::Key_F23;
    m_keyMap[QStringLiteral("F24")] = Qt::Key_F24;
    m_keyMap[QStringLiteral("F25")] = Qt::Key_F25;
    m_keyMap[QStringLiteral("F26")] = Qt::Key_F26;
    m_keyMap[QStringLiteral("F27")] = Qt::Key_F27;
    m_keyMap[QStringLiteral("F28")] = Qt::Key_F28;
    m_keyMap[QStringLiteral("F29")] = Qt::Key_F29;
    m_keyMap[QStringLiteral("F30")] = Qt::Key_F30;
    m_keyMap[QStringLiteral("F31")] = Qt::Key_F31;
    m_keyMap[QStringLiteral("F32")] = Qt::Key_F32;
    m_keyMap[QStringLiteral("F33")] = Qt::Key_F33;
    m_keyMap[QStringLiteral("F34")] = Qt::Key_F34;
    m_keyMap[QStringLiteral("F35")] = Qt::Key_F35;
    m_keyMap[QStringLiteral("superL")] = Qt::Key_Super_L;
    m_keyMap[QStringLiteral("superR")] = Qt::Key_Super_R;
    m_keyMap[QStringLiteral("menu")] = Qt::Key_Menu;
    m_keyMap[QStringLiteral("hyperL")] = Qt::Key_Hyper_L;
    m_keyMap[QStringLiteral("hyperR")] = Qt::Key_Hyper_R;
    m_keyMap[QStringLiteral("help")] = Qt::Key_Help;
    m_keyMap[QStringLiteral("directionL")] = Qt::Key_Direction_L;
    m_keyMap[QStringLiteral("directionR")] = Qt::Key_Direction_R;
    m_keyMap[QStringLiteral("space")] = Qt::Key_Space;
    m_keyMap[QStringLiteral("any")] = Qt::Key_Any;
    m_keyMap[QStringLiteral("exclam")] = Qt::Key_Exclam;
    m_keyMap[QStringLiteral("quoteDbl")] = Qt::Key_QuoteDbl;
    m_keyMap[QStringLiteral("numberSign")] = Qt::Key_NumberSign;
    m_keyMap[QStringLiteral("dollar")] = Qt::Key_Dollar;
    m_keyMap[QStringLiteral("percent")] = Qt::Key_Percent;
    m_keyMap[QStringLiteral("ampersand")] = Qt::Key_Ampersand;
    m_keyMap[QStringLiteral("apostrophe")] = Qt::Key_Apostrophe;
    m_keyMap[QStringLiteral("parenLeft")] = Qt::Key_ParenLeft;
    m_keyMap[QStringLiteral("parenRight")] = Qt::Key_ParenRight;
    m_keyMap[QStringLiteral("asterisk")] = Qt::Key_Asterisk;
    m_keyMap[QStringLiteral("plus")] = Qt::Key_Plus;
    m_keyMap[QStringLiteral("comma")] = Qt::Key_Comma;
    m_keyMap[QStringLiteral("minus")] = Qt::Key_Minus;
    m_keyMap[QStringLiteral("period")] = Qt::Key_Period;
    m_keyMap[QStringLiteral("slash")] = Qt::Key_Slash;
    m_keyMap[QStringLiteral("0")] = Qt::Key_0;
    m_keyMap[QStringLiteral("1")] = Qt::Key_1;
    m_keyMap[QStringLiteral("2")] = Qt::Key_2;
    m_keyMap[QStringLiteral("3")] = Qt::Key_3;
    m_keyMap[QStringLiteral("4")] = Qt::Key_4;
    m_keyMap[QStringLiteral("5")] = Qt::Key_5;
    m_keyMap[QStringLiteral("6")] = Qt::Key_6;
    m_keyMap[QStringLiteral("7")] = Qt::Key_7;
    m_keyMap[QStringLiteral("8")] = Qt::Key_8;
    m_keyMap[QStringLiteral("9")] = Qt::Key_9;
    m_keyMap[QStringLiteral("colon")] = Qt::Key_Colon;
    m_keyMap[QStringLiteral("semiColon")] = Qt::Key_Semicolon;
    m_keyMap[QStringLiteral("less")] = Qt::Key_Less;
    m_keyMap[QStringLiteral("equal")] = Qt::Key_Equal;
    m_keyMap[QStringLiteral("greater")] = Qt::Key_Greater;
    m_keyMap[QStringLiteral("question")] = Qt::Key_Question;
    m_keyMap[QStringLiteral("at")] = Qt::Key_At;
    m_keyMap[QStringLiteral("a")] = Qt::Key_A;
    m_keyMap[QStringLiteral("b")] = Qt::Key_B;
    m_keyMap[QStringLiteral("c")] = Qt::Key_C;
    m_keyMap[QStringLiteral("d")] = Qt::Key_D;
    m_keyMap[QStringLiteral("e")] = Qt::Key_E;
    m_keyMap[QStringLiteral("f")] = Qt::Key_F;
    m_keyMap[QStringLiteral("g")] = Qt::Key_G;
    m_keyMap[QStringLiteral("h")] = Qt::Key_H;
    m_keyMap[QStringLiteral("i")] = Qt::Key_I;
    m_keyMap[QStringLiteral("j")] = Qt::Key_J;
    m_keyMap[QStringLiteral("k")] = Qt::Key_K;
    m_keyMap[QStringLiteral("l")] = Qt::Key_L;
    m_keyMap[QStringLiteral("m")] = Qt::Key_M;
    m_keyMap[QStringLiteral("n")] = Qt::Key_N;
    m_keyMap[QStringLiteral("o")] = Qt::Key_O;
    m_keyMap[QStringLiteral("p")] = Qt::Key_P;
    m_keyMap[QStringLiteral("q")] = Qt::Key_Q;
    m_keyMap[QStringLiteral("r")] = Qt::Key_R;
    m_keyMap[QStringLiteral("s")] = Qt::Key_S;
    m_keyMap[QStringLiteral("t")] = Qt::Key_T;
    m_keyMap[QStringLiteral("u")] = Qt::Key_U;
    m_keyMap[QStringLiteral("v")] = Qt::Key_V;
    m_keyMap[QStringLiteral("w")] = Qt::Key_W;
    m_keyMap[QStringLiteral("x")] = Qt::Key_X;
    m_keyMap[QStringLiteral("y")] = Qt::Key_Y;
    m_keyMap[QStringLiteral("z")] = Qt::Key_Z;
    m_keyMap[QStringLiteral("bracketLeft")] = Qt::Key_BracketLeft;
    m_keyMap[QStringLiteral("backslash")] = Qt::Key_Backslash;
    m_keyMap[QStringLiteral("bracketRight")] = Qt::Key_BracketRight;
    m_keyMap[QStringLiteral("asciiCircum")] = Qt::Key_AsciiCircum;
    m_keyMap[QStringLiteral("underscore")] = Qt::Key_Underscore;
    m_keyMap[QStringLiteral("quoteLeft")] = Qt::Key_QuoteLeft;
    m_keyMap[QStringLiteral("braceLeft")] = Qt::Key_BraceLeft;
    m_keyMap[QStringLiteral("bar")] = Qt::Key_Bar;
    m_keyMap[QStringLiteral("braceRight")] = Qt::Key_BraceRight;
    m_keyMap[QStringLiteral("asciiTilde")] = Qt::Key_AsciiTilde;
    m_keyMap[QStringLiteral("plusminus")] = Qt::Key_plusminus;
    m_keyMap[QStringLiteral("onesuperior")] = Qt::Key_onesuperior;
    m_keyMap[QStringLiteral("multiply")] = Qt::Key_multiply;
    m_keyMap[QStringLiteral("division")] = Qt::Key_division;
    m_keyMap[QStringLiteral("diaeresis")] = Qt::Key_diaeresis;

    m_keyNames = m_keyMap.keys();
}

/*!
    \class Qt3DInput::QKeyboardController
    \inmodule Qt3DInput
    \since 5.5
*/

/*!
    \qmltype KeyboardController
    \inqmlmodule Qt3D.Input
    \since 5.5
    \instantiates Qt3DInput::QKeyboardController
    \inherits Node
*/

QKeyboardController::QKeyboardController(QNode *parent)
    : QAbstractPhysicalDevice(*new QKeyboardControllerPrivate, parent)
{
}

QKeyboardController::~QKeyboardController()
{
    QNode::cleanup();
}

/*!
    \qmlproperty KeyboardInput Qt3D.Input::KeyboardController::activeInput
    \readonly
*/
QKeyboardInput *QKeyboardController::activeInput() const
{
    Q_D(const QKeyboardController);
    return d->m_activeInput;
}

int QKeyboardController::axisCount() const
{
    return 0;
}

int QKeyboardController::buttonCount() const
{
    Q_D(const QKeyboardController);
    return d->m_keyNames.size();
}

QStringList QKeyboardController::axisNames() const
{
    return QStringList();
}

QStringList QKeyboardController::buttonNames() const
{
    Q_D(const QKeyboardController);
    return d->m_keyNames;
}

int QKeyboardController::axisIdentifier(const QString &name) const
{
    Q_UNUSED(name);
    return 0;
}

int QKeyboardController::buttonIdentifier(const QString &name) const
{
    Q_D(const QKeyboardController);
    return d->m_keyMap.value(name, 0);
}

/*! \internal */
QKeyboardController::QKeyboardController(QKeyboardControllerPrivate &dd, QNode *parent)
    : QAbstractPhysicalDevice(dd, parent)
{
}

void QKeyboardController::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &change)
{
    Q_D(QKeyboardController);
    QBackendScenePropertyChangePtr e = qSharedPointerCast<QBackendScenePropertyChange>(change);
    if (e->type() == NodeUpdated && e->propertyName() == QByteArrayLiteral("activeInput")) {
        QNodeId activeInputId = e->value().value<QNodeId>();
        setActiveInput(qobject_cast<QKeyboardInput *>(d->scene()->lookupNode(activeInputId)));
    }
}

void QKeyboardController::setActiveInput(QKeyboardInput *activeInput)
{
    Q_D(QKeyboardController);
    if (d->m_activeInput != activeInput) {
        d->m_activeInput = activeInput;
        emit activeInputChanged(activeInput);
    }
}

} // namespace Qt3DInput

QT_END_NAMESPACE