updata pyqtgraph 滚动区实例 和更新README文件

This commit is contained in:
weike32 2019-08-17 14:19:20 +08:00
parent d2cb0f4cad
commit c28e04de25
6 changed files with 234 additions and 2 deletions

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@ -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"))

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<?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>

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@ -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
[加载 tools.py](tools.py)
## 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)

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#!/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_())

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@ -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)