下面你会发现一个用于Qt设计器的MatplotlibPlugin的PyQt5版本。
要使用它,请将两个文件放在PYQTDESIGNERPATH
环境变量中包含的目录中,或放入directories that Qt Designer searches for its own plugins之一的“python”子目录中。这两个文件必须完全按照如下所示进行命名。
matplotlibwidget.py:
from PyQt5.QtCore import QSize
from PyQt5.QtWidgets import QSizePolicy
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as Canvas
from matplotlib.figure import Figure
from matplotlib import rcParams
rcParams['font.size'] = 9
class MatplotlibWidget(Canvas):
def __init__(self, parent=None, title='', xlabel='', ylabel='',
xlim=None, ylim=None, xscale='linear', yscale='linear',
width=4, height=3, dpi=100):
self.figure = Figure(figsize=(width, height), dpi=dpi)
self.axes = self.figure.add_subplot(111)
self.axes.set_title(title)
self.axes.set_xlabel(xlabel)
self.axes.set_ylabel(ylabel)
if xscale is not None:
self.axes.set_xscale(xscale)
if yscale is not None:
self.axes.set_yscale(yscale)
if xlim is not None:
self.axes.set_xlim(*xlim)
if ylim is not None:
self.axes.set_ylim(*ylim)
super(MatplotlibWidget, self).__init__(self.figure)
self.setParent(parent)
super(MatplotlibWidget, self).setSizePolicy(
QSizePolicy.Expanding, QSizePolicy.Expanding)
super(MatplotlibWidget, self).updateGeometry()
def sizeHint(self):
return QSize(*self.get_width_height())
def minimumSizeHint(self):
return QSize(10, 10)
matplotlibplugin.py:
import os
from PyQt5.QtGui import QIcon
from PyQt5.QtDesigner import QPyDesignerCustomWidgetPlugin
from matplotlib import rcParams
from matplotlibwidget import MatplotlibWidget
rcParams['font.size'] = 9
class MatplotlibPlugin(QPyDesignerCustomWidgetPlugin):
def __init__(self, parent=None):
super(MatplotlibPlugin, self).__init__(parent)
self._initialized = False
def initialize(self, editor):
self._initialized = True
def isInitialized(self):
return self._initialized
def createWidget(self, parent):
return MatplotlibWidget(parent)
def name(self):
return 'MatplotlibWidget'
def group(self):
return 'PyQt'
def icon(self):
return QIcon(os.path.join(
rcParams['datapath'], 'images', 'matplotlib.png'))
def toolTip(self):
return ''
def whatsThis(self):
return ''
def isContainer(self):
return False
def domXml(self):
return '<widget class="MatplotlibWidget" name="mplwidget">\n' \
'</widget>\n'
def includeFile(self):
return 'matplotlibwidget'
我不知道是否有这样的插件可用。但通常你不会需要它。您只需在GUI中留下一些空间,并通过代码将matplotlib画布(它是一个QWidget)添加到它。 – ImportanceOfBeingErnest
如果你看,例如在[这个问题](https://stackoverflow.com/questions/46391356/embed-a-matplotlib-graphic-into-a-widget-pyqt5)有一部分是通过一些用户界面设计师和部分是运行应用程序的代码。你不会操纵前者,但在后者中添加你的小部件。 – ImportanceOfBeingErnest
感谢promt回复。事实上,它只需少量额外的工作就可以这样工作除非别人知道一个神奇的qtdesigner插件,否则我会走这条路。 – Thib