updata pyqtgraph 滚动区实例 和更新README文件

PyQtGraph/Data/graphAnalysis.py

@@ -0,0 +1,53 @@
+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'graphAnalysis.ui'
+#
+# Created by: PyQt5 UI code generator 5.11.3
+#
+# WARNING! All changes made in this file will be lost!
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+
+class graph_Form(object):
+    def setupUi(self, Form):
+        Form.setObjectName("Form")
+        Form.resize(1024, 768)
+        self.gridLayout_3 = QtWidgets.QGridLayout(Form)
+        self.gridLayout_3.setContentsMargins(20, 20, 20, 20)
+        self.gridLayout_3.setSpacing(20)
+        self.gridLayout_3.setObjectName("gridLayout_3")
+        self.pushButton_7 = QtWidgets.QPushButton(Form)
+        self.pushButton_7.setMinimumSize(QtCore.QSize(0, 80))
+        font = QtGui.QFont()
+        font.setPointSize(15)
+        self.pushButton_7.setFont(font)
+        self.pushButton_7.setObjectName("pushButton_7")
+        self.gridLayout_3.addWidget(self.pushButton_7, 2, 2, 1, 2)
+        self.label = QtWidgets.QLabel(Form)
+        font = QtGui.QFont()
+        font.setPointSize(15)
+        self.label.setFont(font)
+        self.label.setAlignment(QtCore.Qt.AlignCenter)
+        self.label.setObjectName("label")
+        self.gridLayout_3.addWidget(self.label, 0, 0, 1, 4)
+        self.tabWidget = QtWidgets.QTabWidget(Form)
+        self.tabWidget.setObjectName("tabWidget")
+        self.tab = QtWidgets.QWidget()
+        self.tab.setObjectName("tab")
+        self.tabWidget.addTab(self.tab, "")
+        self.tab_2 = QtWidgets.QWidget()
+        self.tab_2.setObjectName("tab_2")
+        self.tabWidget.addTab(self.tab_2, "")
+        self.gridLayout_3.addWidget(self.tabWidget, 1, 1, 1, 4)
+
+        self.retranslateUi(Form)
+        QtCore.QMetaObject.connectSlotsByName(Form)
+
+    def retranslateUi(self, Form):
+        _translate = QtCore.QCoreApplication.translate
+        Form.setWindowTitle(_translate("Form", "Form"))
+        self.pushButton_7.setText(_translate("Form", "分析"))
+        self.label.setText(_translate("Form", "图形分析"))
+        self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab), _translate("Form", "折线图"))
+        self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_2), _translate("Form", "Tab 2"))
+

PyQtGraph/Data/graphAnalysis.ui

@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Form</class>
+ <widget class="QWidget" name="Form">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>1024</width>
+    <height>768</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout_3">
+   <property name="leftMargin">
+    <number>20</number>
+   </property>
+   <property name="topMargin">
+    <number>20</number>
+   </property>
+   <property name="rightMargin">
+    <number>20</number>
+   </property>
+   <property name="bottomMargin">
+    <number>20</number>
+   </property>
+   <property name="spacing">
+    <number>20</number>
+   </property>
+   <item row="2" column="2" colspan="2">
+    <widget class="QPushButton" name="pushButton_7">
+     <property name="minimumSize">
+      <size>
+       <width>0</width>
+       <height>80</height>
+      </size>
+     </property>
+     <property name="font">
+      <font>
+       <pointsize>15</pointsize>
+      </font>
+     </property>
+     <property name="text">
+      <string>分析</string>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="0" colspan="4">
+    <widget class="QLabel" name="label">
+     <property name="font">
+      <font>
+       <pointsize>15</pointsize>
+      </font>
+     </property>
+     <property name="text">
+      <string>图形分析</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignCenter</set>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="1" colspan="4">
+    <widget class="QTabWidget" name="tabWidget">
+     <widget class="QWidget" name="tab">
+      <attribute name="title">
+       <string>折线图</string>
+      </attribute>
+     </widget>
+     <widget class="QWidget" name="tab_2">
+      <attribute name="title">
+       <string>Tab 2</string>
+      </attribute>
+     </widget>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

PyQtGraph/README.md

@@ -27,5 +27,10 @@
 
 ![mouseFlow](ScreenShot/function.gif)
 
-## 2、不用修改源码，重加载，解决右键保存图片异常；解决自定义坐标轴密集显示；禁止鼠标事件；
+## 3、不用修改源码，重加载，解决右键保存图片异常；解决自定义坐标轴密集显示；禁止鼠标事件；
 [加载 tools.py](tools.py)
+
+## 4、QScrollArea添加和修改大小例子；
+[运行 testGraphAnalysis.py](testGraphAnalysis.py)
+
+![testGraphAnalysis](ScreenShot/GraphAnalysis.gif)

PyQtGraph/testGraphAnalysis.py

@@ -0,0 +1,90 @@
+#!/usr/bin/env python
+# encoding: utf-8
+'''
+Created on 2019年8月17日
+@author: weike32
+@site: https://pyqt5.com ,https://github.com/weike32
+@email: 394967319@qq.com
+@file: CopyContent
+@description:
+'''
+import sys
+from PyQt5.QtCore import Qt
+from PyQt5.QtWidgets import QDialog, QApplication, QWidget
+from qtpy import QtWidgets
+import pyqtgraph as pg
+
+from PyQtGraph.Data.graphAnalysis import graph_Form
+
+
+class CustomViewBox(pg.ViewBox):
+    def __init__(self, *args, **kwds):
+        pg.ViewBox.__init__(self, *args, **kwds)
+        self.RectMode = 3
+        self.setMouseMode(self.RectMode)
+
+    def mouseClickEvent(self, ev):
+        if ev.button() == pg.QtCore.Qt.RightButton:
+            self.autoRange()
+    def mouseDragEvent(self, ev):
+        pg.ViewBox.mouseDragEvent(self, ev)
+    def wheelEvent(self,ev,axis=None):
+        ev.ignore()
+
+class graphAnalysis(QDialog,graph_Form):
+    def __init__(self):
+        super(graphAnalysis, self).__init__()
+        self.setupUi(self)
+        self.pushButton_7.clicked.connect(self.test)
+        self.tabWidget.clear()
+
+    def handleChanged(self,item,column):
+        count = item.childCount()
+        if item.checkState(column) == Qt.Checked:
+            for index in range(count):
+                item.child(index).setCheckState(0,Qt.Checked)
+        if item.checkState(column) == Qt.Unchecked:
+            for index in range(count):
+                item.child(index).setCheckState(0,Qt.Unchecked)
+
+    def test(self):
+
+        tab1 = QtWidgets.QWidget()
+        scrollArea = QtWidgets.QScrollArea(tab1)
+        scrollArea.setMinimumSize(650,550)
+        scrollArea.setWidgetResizable(True)
+
+        labelsContainer = QWidget()
+        labelsContainer.setMinimumSize(0,3000+200)
+        scrollArea.setWidget(labelsContainer)
+        layout = QtWidgets.QVBoxLayout(labelsContainer)
+
+        time = ['2019-04-20 08:09:00', '2019-04-20 08:09:00', '2019-04-20 08:09:00', '2019-04-20 08:09:00']
+        value = [1.2, 2, 1, 4]
+        xdict = dict(enumerate(time))
+        ticks = [list(zip(range(4), tuple(time)))]
+        for i in range(11):
+            vb1 = CustomViewBox()
+            plt1 = pg.PlotWidget(title="Basic array plotting%s"%i, viewBox=vb1)
+            plt1.resize(500, 500)
+            plt1.setBackground(background=None)
+            plt1.plot(list(xdict.keys()), value)
+            plt1.getPlotItem().getAxis("bottom").setTicks(ticks)
+            temp1 = QtWidgets.QWidget()
+            temp1.setMinimumSize(600, 300)
+            temp1.setMaximumSize(600, 300)
+            layout2 = QtWidgets.QVBoxLayout(temp1)
+            layout2.addWidget(plt1)
+            layout.addWidget(temp1)
+        spacerItem = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
+        layout.addItem(spacerItem)
+        # print(layout.count())
+        self.tabWidget.addTab(tab1, '12')
+        for i in range(self.tabWidget.count()):
+            self.tabWidget.widget(i)
+
+if __name__ =="__main__":
+    app = QApplication(sys.argv)
+    w = graphAnalysis()
+    w.show()
+    sys.exit(app.exec_())

README.md

@@ -158,6 +158,7 @@ https://pyqt5.com 社区是专门针对PyQt5学习和提升开设的博客网站
   - [鼠标获取X轴坐标](PyQtGraph/mouseFlow.py)
   - [禁止右键点击功能、鼠标滚轮，添加滚动条等功能](PyQtGraph/graph1.py)
   - [工具类](PyQtGraph/tools.py)
+  - [滚动区相关](PyQtGraph/testGraphAnalysis.py)
   
 - [Animation](QPropertyAnimation)
   - [窗口淡入淡出](QPropertyAnimation/FadeInOut.py)