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widgets/waveformwidget.h

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+#ifndef WAVEFORMWIDGET_H
+#define WAVEFORMWIDGET_H
+
+#include <QWidget>
+#include <QPushButton>
+#include <QLabel>
+#include <QComboBox>
+#include <QSpinBox>
+#include <QDoubleSpinBox>
+#include <QTableWidget>
+#include <QTimer>
+#include <QVector>
+#include <QCheckBox>
+
+/**
+ * @brief 波形采集页面
+ *
+ * 功能说明：
+ * - 信号采集和记录
+ * - 生成曲线功能
+ * - 采集速率≤25ms/点
+ * - 采集通道数≥2
+ * - 采集电压/电流信号
+ * - 自动计算最大/最小/平均值
+ */
+class WaveformWidget : public QWidget
+{
+  Q_OBJECT
+
+public:
+  explicit WaveformWidget(QWidget *parent = nullptr);
+  ~WaveformWidget() = default;
+
+signals:
+  void backRequested();
+
+private slots:
+  void onStartCapture();
+  void onStopCapture();
+  void onClearData();
+  void onExportData();
+  void onTimerTick();
+
+private:
+  void setupUI();
+  QWidget *createTitleBar();
+  QWidget *createConfigPanel();
+  QWidget *createWaveformDisplay();
+  QWidget *createDataPanel();
+  QWidget *createStatisticsPanel();
+  void updateStatistics();
+  void addDataPoint(double ch1Value, double ch2Value);
+
+  // 标题栏
+  QPushButton *m_backBtn;
+  QLabel *m_titleLabel;
+
+  // 配置面板
+  QComboBox *m_signalTypeCombo;
+  QComboBox *m_sampleRateCombo;
+  QSpinBox *m_durationSpin;
+  QCheckBox *m_ch1Enable;
+  QCheckBox *m_ch2Enable;
+
+  // 控制按钮
+  QPushButton *m_startBtn;
+  QPushButton *m_stopBtn;
+  QPushButton *m_clearBtn;
+  QPushButton *m_exportBtn;
+
+  // 波形显示
+  QWidget *m_waveformArea;
+  QLabel *m_ch1Label;
+  QLabel *m_ch2Label;
+
+  // 数据表格
+  QTableWidget *m_dataTable;
+
+  // 统计信息
+  QLabel *m_ch1MaxLabel;
+  QLabel *m_ch1MinLabel;
+  QLabel *m_ch1AvgLabel;
+  QLabel *m_ch2MaxLabel;
+  QLabel *m_ch2MinLabel;
+  QLabel *m_ch2AvgLabel;
+
+  // 采集状态
+  QTimer *m_captureTimer;
+  bool m_isCapturing;
+  QVector<double> m_ch1Data;
+  QVector<double> m_ch2Data;
+  int m_dataIndex;
+};
+
+#endif // WAVEFORMWIDGET_H