hlp:新建文件，内容从左下角开始，使用状态机，报警内容在自检和关机时不爆红提示

2026-09-08 15:06:03 +08:00
parent 4c06500338
commit 84e20a440c
14 changed files with 722 additions and 185 deletions
@@ -0,0 +1,114 @@
+#ifndef PRINTERSTATEMANAGER_H
+#define PRINTERSTATEMANAGER_H
+#pragma once
+#include <QObject>
+#include <QVector>
+#include "SysPara.h"
+
+enum class PrinterState {
+    IDLE,           // 空闲
+    SELF_CHECK,     // 自检中
+    READY,          // 就绪
+    PRINTING,       // 打印中
+    STOPPING,       // 停止中
+    ERROR,          // 故障
+    POWER_OFF,      // 关机中
+    NORMAL          // 一种常规状态，表明机器运行中，true
+};
+
+enum class PrinterEvent {
+    PowerOn,
+    SelfCheckDone,
+    SelfCheckFailed,
+    StartPrint,
+    StopPrint,
+    StopComplete,
+    ErrorOccurred,
+    ErrorCleared,
+    PowerOff,
+    PowerOffDone
+};
+
+class PrinterStateManager : public QObject
+{
+    Q_OBJECT
+public:
+    static PrinterStateManager* instance();
+    // 绑定 sysPara（用于守卫条件）
+    void bindSysPara(SysPara* para) { m_sysPara = para; }
+
+
+    // ============ 状态查询 ============
+    PrinterState currentState() const { return m_currentState; }
+    QString stateName() const;
+    bool isState(PrinterState state) const { return m_currentState == state; }
+    bool canStartPrint() const { return m_currentState == PrinterState::READY; }
+    bool canStopPrint() const { return m_currentState == PrinterState::PRINTING; }
+
+    // ============ 状态管理 ============
+    // 初始化状态（只在开机时调用一次）
+    void initFromSysPara();
+
+    // 外部唯一接口：请求切换状态
+    void requestTransition(PrinterEvent event);
+
+signals:
+    // 状态变化信号（外部监听执行具体业务）
+    void sig_stateChanged(PrinterState newState, PrinterState oldState, QString reason);
+
+private:
+    PrinterStateManager();
+    ~PrinterStateManager();
+
+    SysPara* m_sysPara = nullptr;
+    static PrinterStateManager* s_instance;
+
+    PrinterState m_currentState = PrinterState::IDLE;
+    PrinterState m_previousState = PrinterState::IDLE;
+
+    // 状态转移表
+    // 守卫条件函数类型
+    using GuardFunc = std::function<bool()>;
+
+    struct Transition {
+        PrinterState fromState;
+        PrinterEvent event;
+        PrinterState toState;
+        QString description;
+        GuardFunc guard;
+    };
+
+    QVector<Transition> m_transitions;
+
+    void initTransitions();
+    Transition* findTransition(PrinterEvent event);
+
+    // 内部状态切换（不对外暴露）
+    void setState(PrinterState newState, const QString& reason = "");
+
+    QString stateNameFromEnum(PrinterState state) const;
+
+    // ============ 守卫条件函数 ============
+    // 检查回收槽是否已打开
+    bool guardReclaimTankOpen();
+
+    // 检查墨线是否已打开
+    bool guardInkSwintOpen();
+
+    // 检查是否无故障
+    bool guardNoError();
+
+    // 检查是否无墨水警告
+    bool guardNoInkWarn();
+
+    // 检查是否无溶剂警告
+    bool guardNoSolventWarn();
+
+    // 检查自检是否已完成
+    bool guardSelfCheckDone();
+
+    // 检查是否满足所有打印条件
+    bool guardCanStartPrint();
+
+};
+#endif // PRINTERSTATEMANAGER_H