hlp:状态机初版，统一管理回收槽状态，启动和停止打印时的状态

StateMachine/printerstatemanager.h

@@ -2,12 +2,13 @@
 #define PRINTERSTATEMANAGER_H
 
 #include <QObject>
+#include <QTimer>
 #include <QVector>
 #include "SysPara.h"
 
 enum class PrinterState {
     IDLE,           // 空闲
-    SELF_CHECK,     // 自检中
+    SELF_CHECK,     // 自检完成
     READY,          // 就绪
     PRINTING,       // 打印中
     STOPPING,       // 停止中
@@ -20,6 +21,7 @@ enum class PrinterEvent {
     PowerOn,
     SelfCheckDone,
     SelfCheckFailed,
+    ReSelfCheck,
     StartPrint,
     StopPrint,
     StopComplete,
@@ -52,10 +54,21 @@ public:
     // 外部唯一接口：请求切换状态
     void requestTransition(PrinterEvent event);
 
+    // 检查状态
+    void checkReadyState();
 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);
 
+    //使能开始和停止打印按钮
+    void sig_enableStartPrint(bool);
+    void sig_enableStopPrint(bool);
+    //使能开关回收槽
+    void sig_enableOpenTank(bool);
+    void sig_enableCloseTank(bool);
+
+    // 更新回收槽状态
+    void sig_updateReclaimStatus();
 private:
     PrinterStateManager();
     ~PrinterStateManager();
@@ -66,6 +79,9 @@ private:
     PrinterState m_currentState = PrinterState::IDLE;
     PrinterState m_previousState = PrinterState::IDLE;
 
+    QTimer* m_updateUITimer = NULL;
+    void initTimer();
+
     // 状态转移表
     // 守卫条件函数类型
     using GuardFunc = std::function<bool()>;
@@ -80,6 +96,9 @@ private:
 
     QVector<Transition> m_transitions;
 
+    // 记录上一次回收槽状态
+    unsigned char lastState = 0;
+
     void initTransitions();
     Transition* findTransition(PrinterEvent event);
 
@@ -88,7 +107,7 @@ private:
 
     QString stateNameFromEnum(PrinterState state) const;
 
-    // ============ 守卫条件函数 ============
+    // ============ guard 守卫条件函数 ============
     // 检查回收槽是否已打开
     bool guardReclaimTankOpen();
 
@@ -110,5 +129,7 @@ private:
     // 检查是否满足所有打印条件
     bool guardCanStartPrint();
 
+private slots:
+    void slt_timeout();
 };
 #endif // PRINTERSTATEMANAGER_H