虚拟示波器，要使用Qchart进行处理

App/ComponentUI/Scope/Scope.cpp

@@ -6,9 +6,31 @@ Scope::Scope(QWidget *parent) :
     ui(new Ui::Scope)
 {
     ui->setupUi(this);
+
+
+    virtualscope = new VirtualScope(this);
+    virtualscope->setGeometry(ui->frame->geometry());
+    virtualscope->show();
 }
 
 Scope::~Scope()
 {
     delete ui;
 }
+
+
+void Scope::resizeEvent(QResizeEvent *event)
+{
+    Q_UNUSED(event)
+
+    virtualscope->setGeometry(ui->frame->geometry());
+}
+
+
+
+
+
+
+
+
+

App/ComponentUI/Scope/Scope.h

@@ -2,6 +2,7 @@
 #define SCOPE_H
 
 #include <QWidget>
+#include "VirtualScope.h"
 
 namespace Ui {
 class Scope;
@@ -15,8 +16,16 @@ public:
     explicit Scope(QWidget *parent = nullptr);
     ~Scope();
 
+
+protected:
+   void resizeEvent(QResizeEvent *event);
+
 private:
     Ui::Scope *ui;
+
+    VirtualScope *virtualscope = nullptr;
+
+
 };
 
 #endif // SCOPE_H

App/ComponentUI/Scope/Scope.pri

@@ -7,10 +7,12 @@ FORMS += \
     $$PWD/Scope.ui
 
 HEADERS += \
-    $$PWD/Scope.h
+    $$PWD/Scope.h \
+    $$PWD/VirtualScope.h
 
 SOURCES += \
-    $$PWD/Scope.cpp
+    $$PWD/Scope.cpp \
+    $$PWD/VirtualScope.cpp
 
 
 

App/ComponentUI/Scope/Scope.ui

@@ -6,13 +6,37 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>585</width>
-    <height>313</height>
+    <width>658</width>
+    <height>409</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Form</string>
   </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item row="0" column="0">
+    <widget class="QFrame" name="frame">
+     <property name="frameShape">
+      <enum>QFrame::StyledPanel</enum>
+     </property>
+     <property name="frameShadow">
+      <enum>QFrame::Raised</enum>
+     </property>
+    </widget>
+   </item>
+  </layout>
  </widget>
  <resources/>
  <connections/>

App/ComponentUI/Scope/VirtualScope.cpp

@@ -0,0 +1,117 @@
+#include "VirtualScope.h"
+
+
+
+VirtualScope::VirtualScope(QWidget *parent) : QWidget(parent)
+{
+
+}
+
+VirtualScope::~VirtualScope()
+{
+
+}
+
+void VirtualScope::mouseReleaseEvent(QMouseEvent *e)
+{
+    qDebug() << "VirtualScope release" << e;
+}
+
+void VirtualScope::mousePressEvent(QMouseEvent *e)
+{
+    qDebug() << "VirtualScope press" << e;
+}
+
+void VirtualScope::mouseDoubleClickEvent(QMouseEvent *e)
+{
+    qDebug() << "VirtualScope double clicked" << e;
+}
+
+void VirtualScope::wheelEvent(QWheelEvent *e)
+{
+    qDebug() << e;
+}
+
+
+
+void VirtualScope::paintEvent(QPaintEvent *)
+{
+    //qreal scale = 4000.0;
+
+    QPainter painter(this);
+    painter.setRenderHint(QPainter::Antialiasing); 	/* 使用反锯齿(如果可用) */
+    painter.setRenderHint(QPainter::TextAntialiasing);
+    painter.setRenderHint(QPainter::SmoothPixmapTransform);
+
+    painter.translate(width() / 2,  height() / 2);	/* 坐标变换为窗体中心 */
+    //int side = qMin(width(), height());                 /* 这一句决定了这个模块只能是方形 */
+    //painter.scale(side / scale, side / scale);	/* 比例缩放 */
+    painter.setPen(Qt::NoPen);
+
+    drawBackground(&painter);
+
+}
+
+
+void VirtualScope::drawBackground(QPainter *painter)
+{
+     QPen pen;
+     QFont font;
+
+     float w = width();
+     float h = height();
+
+     //画大黑背景
+     painter->save();
+     painter->setBrush(Qt::black);
+     painter->drawRect(-w/2,-h/2,w,h);
+     painter->restore();
+
+
+     //画坐标系
+     painter->save();
+
+     //painter->translate(-200,0);
+
+     //水平，垂直虚线
+     pen.setColor(QColor("#FFFFFF"));
+     pen.setWidthF(1);
+     painter->setPen(pen);
+
+     font.setPointSize(15);
+     font.setFamily("Arial");//非衬线
+     painter->setFont(font);
+
+     //水平分成8个格,竖直分成10个格
+     float g_h = (h - 50)/8;
+     float g_w = (w - 50)/10;
+
+     for(int i = -4;i <= 4;i++)
+     {
+        painter->drawLine(-(w - 50)/2,g_h * i,(w - 50)/2,g_h * i);
+     }
+
+     //水平分成10条线
+     for(int i = -5;i <= 5;i++)
+     {
+        painter->drawLine(g_w * i,-(h - 50)/2,g_w * i,(h - 50)/2);
+        painter->drawText(QRect(g_w * i - 100,(h - 50)/2,200,20), Qt::AlignCenter,QString::number(i));
+     }
+
+     painter->restore();
+
+
+
+}
+
+
+
+
+
+
+
+
+
+
+
+

App/ComponentUI/Scope/VirtualScope.h

@@ -0,0 +1,43 @@
+#ifndef VIRTUALSCOPE_H
+#define VIRTUALSCOPE_H
+
+#include <QObject>
+#include <QWidget>
+#include <QMouseEvent>
+#include <QPainter>
+#include "QDebug"
+#include "QPicture"
+#include "QtMath"
+
+class VirtualScope : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit VirtualScope(QWidget *parent = nullptr);
+    ~VirtualScope();
+
+
+signals:
+
+
+
+
+
+protected:
+    void mouseReleaseEvent(QMouseEvent *e);
+    void mousePressEvent(QMouseEvent *e);
+    void mouseDoubleClickEvent(QMouseEvent *e);
+    void wheelEvent(QWheelEvent *e);
+    void paintEvent(QPaintEvent *);
+
+
+private slots:
+    void drawBackground(QPainter *painter);
+
+
+
+
+
+};
+
+#endif // VIRTUALSCOPE_H

App/ToolsUI/ToolsUI.pri

@@ -24,7 +24,7 @@ INCLUDEPATH += $$PWD/../ComponentUI/CharInputter
 INCLUDEPATH += $$PWD/../ComponentUI/Inputter
 INCLUDEPATH += $$PWD/../ComponentUI/MultiSelector
 INCLUDEPATH += $$PWD/../ComponentUI/Selector
-
+INCLUDEPATH += $$PWD/../ComponentUI/Scope
 
 HEADERS += \
     $$PWD/ToolsUI.h \

App/ToolsUI/tools_Index1/tools_Index1.cpp

@@ -15,6 +15,10 @@ Tools_Index1::Tools_Index1(QWidget *parent) :
     this->setStyleSheet(stylesheet);
     file.close();
 
+
+    scope = new Scope(this);
+    scope->setGeometry(ui->frame->geometry());
+    scope->show();
 }
 
 Tools_Index1::~Tools_Index1()
@@ -25,6 +29,7 @@ Tools_Index1::~Tools_Index1()
 void Tools_Index1::resizeEvent(QResizeEvent *event)
 {
     Q_UNUSED(event)
+    scope->setGeometry(ui->frame->geometry());
     update();
 }
 

App/ToolsUI/tools_Index1/tools_Index1.h

@@ -6,6 +6,9 @@
 #include "QTextStream"
 #include "QDebug"
 
+#include "Scope.h"
+
+
 namespace Ui {
 class Tools_Index1;
 }
@@ -23,7 +26,7 @@ public:
 private:
     Ui::Tools_Index1 *ui;
 
-
+    Scope *scope = nullptr;
 };
 
 #endif // INDEX1_H