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141 lines
4.2 KiB
141 lines
4.2 KiB
#ifndef KEYMAP_H
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#define KEYMAP_H
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#include <QObject>
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#include <QPointF>
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#include <QVector>
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#include <QRectF>
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#include <QPair>
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#include <QMetaEnum>
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#include <QMultiHash>
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class QJsonObject;
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class KeyMap : public QObject
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{
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Q_OBJECT
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public:
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enum KeyMapType {
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KMT_INVALID = -1,
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KMT_CLICK = 0,
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KMT_CLICK_TWICE,
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KMT_STEER_WHEEL,
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KMT_DRAG,
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};
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Q_ENUM(KeyMapType)
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enum ActionType {
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AT_INVALID = -1,
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AT_KEY = 0,
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AT_MOUSE = 1,
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};
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Q_ENUM(ActionType)
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struct KeyNode {
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ActionType type = AT_INVALID;
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int key = Qt::Key_unknown;
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QPointF pos = QPointF(0, 0);
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};
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struct KeyMapNode {
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KeyMapType type = KMT_INVALID;
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union {
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struct {
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KeyNode keyNode;
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bool switchMap = false;
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} click;
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struct {
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KeyNode keyNode;
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} clickTwice;
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struct {
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// 方向盘矩形中心位置
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QPointF centerPos = {0.0, 0.0};
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struct DirInfo{
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ActionType type = AT_KEY; // keyboard/mouse
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int key = Qt::Key_unknown; // key/button
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double offset = 0.0;
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};
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DirInfo left, right, up, down;
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// 辅助变量
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// 方向键的按下状态
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bool leftKeyPressed = false;
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bool rightKeyPressed = false;
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bool upKeyPressed = false;
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bool downKeyPressed = false;
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// 按下方向键的数量
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int pressKeysNum = 0;
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// 第一次按下的键
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int firstPressKey = 0;
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} steerWheel;
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struct {
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ActionType type = AT_KEY;
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int key = Qt::Key_unknown;
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QPointF startPos = QPointF(0, 0);
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QPointF endPos = QPointF(0, 0);
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} drag;
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};
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KeyMapNode() {}
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~KeyMapNode() {}
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};
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struct MouseMoveMap {
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QPointF startPos = {0.0, 0.0};
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int speedRatio = 1;
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};
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KeyMap(QObject *parent = Q_NULLPTR);
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virtual ~KeyMap();
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void loadKeyMap(const QString &json);
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KeyMap::KeyMapNode& getKeyMapNode(int key);
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KeyMap::KeyMapNode& getKeyMapNodeKey(int key);
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KeyMap::KeyMapNode& getKeyMapNodeMouse(int key);
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bool isSwitchOnKeyboard();
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int getSwitchKey();
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MouseMoveMap getMouseMoveMap();
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bool enableMouseMoveMap();
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static const QString& getKeyMapPath();
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private:
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// set up the reverse map from key/event event to keyMapNode
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void makeReverseMap();
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// parse json of the mapping script
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bool checkItemKey(const QJsonObject& node, const QString& name="key");
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bool checkItemPos(const QJsonObject& node, const QString& name="pos");
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bool checkItemDouble(const QJsonObject& node, const QString& name);
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bool checkItemSwitchMap(const QJsonObject& node, const QString& name="switchMap");
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KeyMapType getItemType(const QJsonObject& node, const QString& name="type");
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QPair<ActionType, int> getItemKey(const QJsonObject& node, const QString& name="key");
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QPointF getItemPos(const QJsonObject& node, const QString& name="pos");
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double getItemNumber(const QJsonObject& node, const QString& name);
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bool getItemSwitchMap(const QJsonObject& node, const QString& name="switchMap");
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private:
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bool checkForClick(const QJsonObject& node);
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bool checkForClickDouble(const QJsonObject& node);
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bool checkForSteerWhell(const QJsonObject& node);
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bool checkForDrag(const QJsonObject& node);
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private:
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QVector<KeyMapNode> m_keyMapNodes;
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KeyMapNode m_invalidNode;
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ActionType m_switchType = AT_KEY;
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int m_switchKey = Qt::Key_QuoteLeft;
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MouseMoveMap m_mouseMoveMap;
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static QString s_keyMapPath;
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// mapping of key/mouse event name to index
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QMetaEnum m_metaEnumKey = QMetaEnum::fromType<Qt::Key>();
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QMetaEnum m_metaEnumMouseButtons = QMetaEnum::fromType<Qt::MouseButtons>();
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QMetaEnum m_metaEnumKeyMapType = QMetaEnum::fromType<KeyMap::KeyMapType>();
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// reverse map of key/mouse event
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QMultiHash<int, KeyMapNode*> rmapKey;
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QMultiHash<int, KeyMapNode*> rmapMouse;
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};
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#endif // KEYMAP_H
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