自定义内存分配池

module/radio/BackEnd/SweepFrequencyWidget.cpp

@@ -1,7 +1,6 @@
 #include "SweepFrequencyWidget.h"
 #include <QHBoxLayout>
 #include <QVBoxLayout>
-#include <QVector>
 #include <QPainter>
 #include <QDebug>
 #include "../component/FrequentShower.h"
@@ -49,11 +48,11 @@ QWidget* Sweep_Frequency_Widget::create_spectrogram_power_plot() {
         }
         void contextMenuEvent(QContextMenuEvent* event) override {
             if (!menu) {
-                auto ws =
-                bw(cw(sf.get(), -1), "扫频图") +
-                bw(cw(x_axis.get()), "x轴") +
-                bw(cw(y_axis.get()), "y轴") +
-                bw(cw(msr.get()), "多选框");
+                auto ws = concat_widgets(
+                bw(cw(sf.get(), -1), "扫频图"),
+                bw(cw(x_axis.get()), "x轴"),
+                bw(cw(y_axis.get()), "y轴"),
+                bw(cw(msr.get()), "多选框"));
                 menu = create_menu(this, ws);
             }
             menu->exec(event->globalPos());