python - Pyqt5 渲染在每个平台上都不同,我该怎么做才能渲染它们相同?
问题描述
我在 pyqt5 开发方面遇到了一些问题,因为我正在尝试制作一个应该在每个平台(Windows、MacOS 和 Linux)上使用的软件。当我在每个平台上执行相同的脚本时,我会得到不同的渲染结果。这似乎主要是由于每个平台上文本的字体和大小不同。例如,底部的按钮不能包含 MacOS 和 Linux 平台的文本。一些项目的大小也不同(见底部的按钮)我想知道它们是否是一个简单的解决方案,可以在每个平台上呈现几乎相同的窗口?
使用此脚本获得:
from PyQt5.QtWidgets import *
import sys
class GUI(QMainWindow):
def __init__(self, parent=None):
super(GUI, self).__init__()
self.parent = parent
self.setFixedWidth(400)
self.setFixedHeight(300)
self.centralWidget = QWidget()
self.setCentralWidget(self.centralWidget)
self.mainHBOX_param_scene = QVBoxLayout()
self.setmarginandspacing(self.mainHBOX_param_scene)
self.Ident_apply = QPushButton('Blablabla')
self.GB1 = QGroupBox("Identification")
self.GB1_layout = QHBoxLayout()
self.Param_0_l = QLabel('Delay')
self.Param_0_e = QLineEdit('1')
self.GB1_layout.addWidget(self.Param_0_l)
self.GB1_layout.addWidget(self.Param_0_e)
self.GB1.setLayout(self.GB1_layout)
self.GB2 = QGroupBox("Identification")
self.GB2_layout = QHBoxLayout()
grid = QGridLayout()
self.GB2_layout.addLayout(grid)
self.RB_Ident = QButtonGroup()
self.RB_DL =QRadioButton('DoubleLayer')
self.RB_CPE= QRadioButton('CPE')
self.RB_Ident.addButton(self.RB_DL)
self.RB_Ident.addButton(self.RB_CPE)
self.RB_DL.setChecked(True)
self.Fixed_delay = QCheckBox('Fixed delay?')
self.Fixed_delay.setChecked(False)
self.Param_0_l = QLabel('Delay')
self.Param_0_e = QLineEdit('1')
self.Param_1_l = QLabel('I(Rs+2*Rcable)')
self.Param_1_e = QLineEdit('1')
self.Param_2_l = QLabel('2*I*Zf')
self.Param_2_e = QLineEdit('1')
self.Param_3_l = QLabel('Cdl*Zf')
self.Param_3_e = QLineEdit('1')
self.Ident_apply = QPushButton('Apply')
self.Ident_updatepguess = QPushButton('Update Pguess')
self.Optim_Ident = QButtonGroup()
self.Optim_curve_fit =QRadioButton('Curve fit')
self.Optim_minimize= QRadioButton('minimize')
self.Optim_basin_hopping= QRadioButton('basin hopping')
self.Optim_Ident.addButton(self.Optim_curve_fit)
self.Optim_Ident.addButton(self.Optim_minimize)
self.Optim_Ident.addButton(self.Optim_basin_hopping)
self.Optim_curve_fit.setChecked(True)
grid.addWidget(self.RB_DL, 0, 0 )
grid.addWidget(self.RB_CPE, 0, 1 )
grid.addWidget(self.Fixed_delay, 0, 3 )
grid.addWidget(self.Param_0_l, 1, 0 )
grid.addWidget(self.Param_1_l, 1, 1 )
grid.addWidget(self.Param_2_l, 1, 2 )
grid.addWidget(self.Param_3_l, 1, 3 )
grid.addWidget(self.Param_0_e, 2, 0 )
grid.addWidget(self.Param_1_e, 2, 1 )
grid.addWidget(self.Param_2_e, 2, 2 )
grid.addWidget(self.Param_3_e, 2, 3 )
grid.addWidget(self.Optim_curve_fit, 3, 0 )
grid.addWidget(self.Optim_minimize, 3, 1 )
grid.addWidget(self.Optim_basin_hopping, 3, 2 )
grid.addWidget(self.Ident_updatepguess, 4, 0)
grid.addWidget(self.Ident_apply, 4, 3, )
self.GB2.setLayout(self.GB2_layout)
self.mainHBOX_param_scene.addWidget(self.Ident_apply)
self.mainHBOX_param_scene.addWidget(self.GB1)
self.mainHBOX_param_scene.addWidget(self.GB2)
self.centralWidget.setLayout(self.mainHBOX_param_scene)
def setmarginandspacing(self,layout):
layout.setContentsMargins(5,5,5,5)
layout.setSpacing(5)
if __name__ == '__main__':
app = QApplication(sys.argv)
ex = GUI(app)
ex.show()
ex.setWindowTitle('Windows')
sys.exit(app.exec_( ))
解决方案
如果您希望它在每个平台上呈现相同的效果,我建议您在开始时设置样式。为了给自己一个融合风格的代码,你的代码应该是这样的:
from PyQt5.QtWidgets import *
app = QApplication([])
app.setStyle('Fusion')
#Your code ...
下面列出了您可以选择的不同样式:
'Windows', 'GTK+', 'Fusion'
该Windows
选项将使您的代码看起来像是在 Windows 上运行,GTK+
在 GTK+ 平台上运行,这是一个Fusion
独特的平台。
Windows 外观的代码(使用您的代码)将如下所示:
from PyQt5.QtWidgets import *
import sys
class GUI(QMainWindow):
def __init__(self, parent=None):
super(GUI, self).__init__()
self.parent = parent
self.setFixedWidth(400)
self.setFixedHeight(300)
self.centralWidget = QWidget()
self.setCentralWidget(self.centralWidget)
self.mainHBOX_param_scene = QVBoxLayout()
self.setmarginandspacing(self.mainHBOX_param_scene)
self.Ident_apply = QPushButton('Blablabla')
self.GB1 = QGroupBox("Identification")
self.GB1_layout = QHBoxLayout()
self.Param_0_l = QLabel('Delay')
self.Param_0_e = QLineEdit('1')
self.GB1_layout.addWidget(self.Param_0_l)
self.GB1_layout.addWidget(self.Param_0_e)
self.GB1.setLayout(self.GB1_layout)
self.GB2 = QGroupBox("Identification")
self.GB2_layout = QHBoxLayout()
grid = QGridLayout()
self.GB2_layout.addLayout(grid)
self.RB_Ident = QButtonGroup()
self.RB_DL =QRadioButton('DoubleLayer')
self.RB_CPE= QRadioButton('CPE')
self.RB_Ident.addButton(self.RB_DL)
self.RB_Ident.addButton(self.RB_CPE)
self.RB_DL.setChecked(True)
self.Fixed_delay = QCheckBox('Fixed delay?')
self.Fixed_delay.setChecked(False)
self.Param_0_l = QLabel('Delay')
self.Param_0_e = QLineEdit('1')
self.Param_1_l = QLabel('I(Rs+2*Rcable)')
self.Param_1_e = QLineEdit('1')
self.Param_2_l = QLabel('2*I*Zf')
self.Param_2_e = QLineEdit('1')
self.Param_3_l = QLabel('Cdl*Zf')
self.Param_3_e = QLineEdit('1')
self.Ident_apply = QPushButton('Apply')
self.Ident_updatepguess = QPushButton('Update Pguess')
self.Optim_Ident = QButtonGroup()
self.Optim_curve_fit =QRadioButton('Curve fit')
self.Optim_minimize= QRadioButton('minimize')
self.Optim_basin_hopping= QRadioButton('basin hopping')
self.Optim_Ident.addButton(self.Optim_curve_fit)
self.Optim_Ident.addButton(self.Optim_minimize)
self.Optim_Ident.addButton(self.Optim_basin_hopping)
self.Optim_curve_fit.setChecked(True)
grid.addWidget(self.RB_DL, 0, 0 )
grid.addWidget(self.RB_CPE, 0, 1 )
grid.addWidget(self.Fixed_delay, 0, 3 )
grid.addWidget(self.Param_0_l, 1, 0 )
grid.addWidget(self.Param_1_l, 1, 1 )
grid.addWidget(self.Param_2_l, 1, 2 )
grid.addWidget(self.Param_3_l, 1, 3 )
grid.addWidget(self.Param_0_e, 2, 0 )
grid.addWidget(self.Param_1_e, 2, 1 )
grid.addWidget(self.Param_2_e, 2, 2 )
grid.addWidget(self.Param_3_e, 2, 3 )
grid.addWidget(self.Optim_curve_fit, 3, 0 )
grid.addWidget(self.Optim_minimize, 3, 1 )
grid.addWidget(self.Optim_basin_hopping, 3, 2 )
grid.addWidget(self.Ident_updatepguess, 4, 0)
grid.addWidget(self.Ident_apply, 4, 3, )
self.GB2.setLayout(self.GB2_layout)
self.mainHBOX_param_scene.addWidget(self.Ident_apply)
self.mainHBOX_param_scene.addWidget(self.GB1)
self.mainHBOX_param_scene.addWidget(self.GB2)
self.centralWidget.setLayout(self.mainHBOX_param_scene)
def setmarginandspacing(self,layout):
layout.setContentsMargins(5,5,5,5)
layout.setSpacing(5)
if __name__ == '__main__':
app = QApplication(sys.argv)
app.setStyle('Windows')
ex = GUI(app)
ex.show()
ex.setWindowTitle('Windows style')
sys.exit(app.exec_( ))
这应该给出这样的输出:
另一种方法是获取.qss
样式表,或者自己制作。这是制作.qss
样式表的简短教程。
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