147 lines
3.8 KiB
C++
147 lines
3.8 KiB
C++
#ifndef PRINTERSTATEMANAGER_H
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#define PRINTERSTATEMANAGER_H
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#include <QObject>
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#include <QTimer>
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#include <QVector>
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#include "SysPara.h"
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enum class PrinterState {
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IDLE, // 空闲
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SELF_CHECK, // 自检完成
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READY, // 就绪
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PRINTING, // 打印中
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STOPPING, // 停止中
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ERROR, // 故障
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POWER_OFF, // 关机中
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NORMAL // 一种常规状态，表明机器运行中，true
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};
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enum class PrinterEvent {
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PowerOn,
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SelfCheckDone,
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SelfCheckFailed,
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ReSelfCheck,
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StartPrint,
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StopPrint,
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StopComplete,
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ErrorOccurred,
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ErrorCleared,
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PowerOff,
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PowerOffDone
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};
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class PrinterStateManager : public QObject
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{
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Q_OBJECT
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public:
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static PrinterStateManager* instance();
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// 绑定 sysPara（用于守卫条件）
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void bindSysPara(SysPara* para) { m_sysPara = para; }
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// ============ 状态查询 ============
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PrinterState currentState() const { return m_currentState; }
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QString stateName() const;
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bool isState(PrinterState state) const { return m_currentState == state; }
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bool canStartPrint() const { return m_currentState == PrinterState::READY; }
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bool canStopPrint() const { return m_currentState == PrinterState::PRINTING; }
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// ============ 状态管理 ============
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// 初始化状态（只在开机时调用一次）
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void initFromSysPara();
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// 外部唯一接口：请求切换状态
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void requestTransition(PrinterEvent event);
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// 检查状态
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void checkReadyState();
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signals:
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// 状态变化信号（外部监听执行具体业务）
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void sig_stateChanged(PrinterState newState, PrinterState oldState, QString reason);
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//使能开始和停止打印按钮
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void sig_enableStartPrint(bool);
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void sig_enableStopPrint(bool);
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//使能开关回收槽
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void sig_enableOpenTank(bool);
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void sig_enableCloseTank(bool);
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// 更新回收槽状态
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void sig_updateReclaimStatus();
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// 收回收槽
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void sig_closeTank();
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// 提示信息
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void sig_infoMsg(QString);
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// 墨水告警
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void sig_infoBox(QString);
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private:
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PrinterStateManager();
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~PrinterStateManager();
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SysPara* m_sysPara = nullptr;
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static PrinterStateManager* s_instance;
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PrinterState m_currentState = PrinterState::IDLE;
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PrinterState m_previousState = PrinterState::IDLE;
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// 状态转移表
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// 守卫条件函数类型
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using GuardFunc = std::function<bool()>;
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struct Transition {
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PrinterState fromState;
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PrinterEvent event;
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PrinterState toState;
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QString description;
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GuardFunc guard;
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};
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QVector<Transition> m_transitions;
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// 记录上一次回收槽状态
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unsigned char lastState = 0;
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void initTransitions();
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Transition* findTransition(PrinterEvent event);
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// 内部状态切换（不对外暴露）
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void setState(PrinterState newState, const QString& reason = "");
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QString stateNameFromEnum(PrinterState state) const;
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// ============ guard 守卫条件函数 ============
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// 检查回收槽是否已打开
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bool guardReclaimTankOpen();
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// 检查墨线是否已打开
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bool guardInkSwintOpen();
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// 检查是否无故障
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bool guardNoError();
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// 检查是否无墨水警告 true:正常
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bool guardNoInkWarn();
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// 检查是否无溶剂警告 true:正常
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bool guardNoSolventWarn();
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// 检查自检是否已完成
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bool guardSelfCheckDone();
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// 检查是否满足所有打印条件
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bool guardCanStartPrint();
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private:
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QTimer* m_updateUITimer = NULL; //更新按钮UI
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QTimer* m_canReadyTimer = NULL; //回收槽到底后检查是否满足打印条件
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void initTimer();
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private slots:
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void slt_timeoutUI();
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void slt_timeoutReady();
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};
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#endif // PRINTERSTATEMANAGER_H
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