qt插件开发python_Qt5 Matplotlib设计器插件

下面是Qt Designer的MatplotlibPlugin的PyQt5版本。在

要使用它，请将这两个文件放在PYQTDESIGNERPATH环境变量中包含的目录中，或者放在directories that Qt Designer searches for its own plugins中某个“python”子目录中。这两个文件的名称必须完全如下所示。在

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：

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