add treeWidget Demo

This commit is contained in:
weike32 2019-05-21 17:54:22 +08:00
parent 08fb61f870
commit fb6a09be04
6 changed files with 250 additions and 2 deletions

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## 目录
- [鼠标获取X轴坐标](#1、鼠标获取X轴坐标)
- [禁止右键点击功能、鼠标滚轮,添加滚动条等功能](#2、禁止右键点击功能、鼠标滚轮添加滚动条等功能)
## 1、鼠标获取X轴坐标
[运行 mouseFlow.py](mouseFlow.py)
![mouseFlow](ScreenShot/mouseFlow.gif)
## 2、禁止右键点击功能、鼠标滚轮添加滚动条等功能
[运行 graph1.py](graph1.py)
![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)

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PyQtGraph/graph1.py Normal file
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#!/usr/bin/env python
# encoding: utf-8
'''
Created on 2019年5月21日
@author: weike32
@site: https://pyqt5.com ,https://github.com/weike32
@email: 394967319@qq.com
@file: CopyContent
@description: 禁止右键添加滑动窗口点击按钮生成图片自定义Y轴坐标背景颜色调整
'''
import sys
from PyQt5.QtWidgets import QDialog, QApplication, QWidget
from qtpy import QtWidgets
import pyqtgraph as pg
from PyQtGraph.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):
# pg.ViewBox.wheelEvent(self, ev, axis)
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 test(self):
tab1 = QtWidgets.QWidget()
scrollArea = QtWidgets.QScrollArea(tab1)
scrollArea.setMinimumSize(984,550)
scrollArea.setWidgetResizable(True)
labelsContainer = QWidget()
labelsContainer.setMinimumSize(0,1500)
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)))]
vb = CustomViewBox()
plt = pg.PlotWidget(title="标题这里填写",viewBox=vb)
plt.setBackground(background=None)
plt.plot(list(xdict.keys()), value)
plt.getPlotItem().getAxis("bottom").setTicks(ticks)
temp = QtWidgets.QWidget()
temp.setMinimumSize(900,300)
temp.setMaximumSize(900,300)
layout1 = QtWidgets.QVBoxLayout(temp)
layout1.addWidget(plt)
layout.addWidget(temp)
spacerItem = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
layout.addItem(spacerItem)
self.tabWidget.addTab(tab1, '这里tabWidget修改标签')
if __name__ =="__main__":
app = QApplication(sys.argv)
w = graphAnalysis()
w.show()
sys.exit(app.exec_())

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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="QVBoxLayout" name="verticalLayout">
<property name="spacing">
<number>20</number>
</property>
<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>
<item>
<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>
<widget class="QTabWidget" name="tabWidget">
<property name="currentIndex">
<number>0</number>
</property>
<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>
<item>
<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>
</layout>
</widget>
<resources/>
<connections/>
</ui>

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#!/usr/bin/env python
# encoding: utf-8
'''
Created on 2017年5月2日
Created on 2019年5月2日
@author: weike32
@site: https://pyqt5.com ,https://github.com/weike32
@email: 394967319@qq.com

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PyQtGraph/tools.py Normal file
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#!/usr/bin/env python
# encoding: utf-8
'''
Created on 2019年5月21日
@author: weike32
@site: https://pyqt5.com ,https://github.com/weike32
@email: 394967319@qq.com
@file: CopyContent
@description: 工具类
'''
from pyqtgraph.exporters.ImageExporter import ImageExporter, Exporter
from pyqtgraph.parametertree import Parameter
import pyqtgraph as pg
#不用修改源码,重加载,解决右键保存图片异常
def widthChanged(self):
sr = self.getSourceRect()
ar = float(sr.height()) / sr.width()
self.params.param('height').setValue(int(self.params['width'] * ar), blockSignal=self.heightChanged)
def heightChanged(self):
sr = self.getSourceRect()
ar = float(sr.width()) / sr.height()
self.params.param('width').setValue(int(self.params['height'] * ar), blockSignal=self.widthChanged)
def New__init__(self, item):
Exporter.__init__(self, item)
tr = self.getTargetRect()
if isinstance(item, pg.Qt.QtGui.QGraphicsItem):
scene = item.scene()
else:
scene = item
bgbrush = scene.views()[0].backgroundBrush()
bg = bgbrush.color()
if bgbrush.style() == pg.Qt.QtCore.Qt.NoBrush:
bg.setAlpha(0)
self.params = Parameter(name='params', type='group', children=[
{'name': 'width', 'type': 'int', 'value': int(tr.width()), 'limits': (0, None)},
{'name': 'height', 'type': 'int', 'value': int(tr.height()), 'limits': (0, None)},
{'name': 'antialias', 'type': 'bool', 'value': True},
{'name': 'background', 'type': 'color', 'value': bg},
])
self.params.param('width').sigValueChanged.connect(self.widthChanged)
self.params.param('height').sigValueChanged.connect(self.heightChanged)
ImageExporter.heightChanged = heightChanged
ImageExporter.widthChanged = widthChanged
ImageExporter.__init__ = New__init__
#解决自定义坐标轴密集显示
class MyStringAxis(pg.AxisItem):
def __init__(self, xdict, *args, **kwargs):
pg.AxisItem.__init__(self, *args, **kwargs)
self.xdict = xdict
def tickStrings(self, values, scale, spacing):
strings = []
for v in values:
vs = v * scale
if vs in self.xdict.keys():
vstr = self.xdict[vs]
else:
vstr = ""
strings.append(vstr)
return strings
# 禁止鼠标事件
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):
pg.ViewBox.wheelEvent(self, ev, axis)