associate page turning commands

include/mainwindow.h

@@ -22,6 +22,7 @@ private:
 
 public slots:
     void onUpdateScreen(const QJsonObject &obj);
+    void onPageSwitdh(int state);
     
 };
 

src/mainwindow.cpp

@@ -18,7 +18,8 @@ MainWindow::MainWindow(QWidget *parent)
     Network &network = AppContext::instance().network();
     connect(&network, &Network::updateScreen, this, &MainWindow::onUpdateScreen);
 
-
+    SerialPort &serialPort = AppContext::instance().serialPort();
+    connect(&serialPort, &SerialPort::pageSwitch, this, &MainWindow::onPageSwitdh);
 }
 
 MainWindow::~MainWindow()
@@ -96,3 +97,33 @@ void MainWindow::onUpdateScreen(const QJsonObject &obj)
     qint64 duration = timer.elapsed(); // 获取经过的毫秒数
     LOG_DEBUG("update screen duration: {}ms", duration);
 }
+
+void MainWindow::onPageSwitdh(int state)
+{
+    ProjectManager &projectMgr = AppContext::instance().projectManager();
+    int canvasCount = projectMgr.canvasCount();
+        if (canvasCount <= 0)
+        return;
+
+    int currentIndex = m_pStackedWidget->currentIndex();
+    int nextIndex = currentIndex;
+
+    if (state < 0)
+    {
+        // 上一页
+        nextIndex = (currentIndex - 1 + canvasCount) % canvasCount;
+        LOG_INFO("page up: {}", nextIndex);
+    }
+    else if (state > 0)
+    {
+        // 下一页
+        nextIndex = (currentIndex + 1) % canvasCount;
+        LOG_INFO("page down: {}", nextIndex);
+    }
+    else
+    {
+        return; // state == 0 不翻页
+    }
+
+    m_pStackedWidget->setCurrentIndex(nextIndex);
+}