[英]How do I modify a QLayout of a QGroupBox to remove or add parameter QTextEdit input? (Python, PyQt)
我正在嘗試實現一個能夠從用戶獲取參數的窗口。 在此窗口中,用戶應給出多行(具有N個參數集)。 從這個數字,我想為每個N
參數集自動生成QTextEdit
集。 所以從現在開始我有這段代碼
# -*- coding: utf-8 -*-
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from PyQt4 import QtGui
import sys
import numpy as np
class SurfViewer(QtGui.QMainWindow):
def __init__(self, parent=None):
super(SurfViewer, self).__init__()
# General Window
self.centralWidget = QtGui.QWidget()
self.setCentralWidget(self.centralWidget)
self.mainHBOX_param_scene = QtGui.QVBoxLayout()
# parameter2
self.horizontalGroupBox_Param2 = QtGui.QGroupBox("Set range Parameter 2 for matrix method")
self.horizontalGroupBox_Param2.setMaximumHeight(80)
self.Param2_layout = QtGui.QVBoxLayout()
grid2 = QtGui.QGridLayout()
self.Param2_layout.addLayout(grid2)
self.Param2_Label = QtGui.QLabel('Name')
self.Param2 = QtGui.QComboBox()
self.Param2.addItems(["a","b","c"])
self.Param2.setMinimumWidth(100)
# self.Param2_layout.addWidget(self.Param2)
self.Param2_min_Label = QtGui.QLabel('min')
self.Param2_min_Edit = QtGui.QTextEdit('1')
self.Param2_min_Edit.setMaximumWidth(40)
self.Param2_max_Label = QtGui.QLabel('max')
self.Param2_max_Edit = QtGui.QTextEdit('5')
self.Param2_max_Edit.setMaximumWidth(40)
self.Param2_step_Label = QtGui.QLabel('step')
self.Param2_step_Edit = QtGui.QTextEdit('1')
self.Param2_step_Edit.setMaximumWidth(40)
grid2.addWidget(self.Param2_Label, 0, 0)
grid2.addWidget(self.Param2, 1, 0)
grid2.addWidget(self.Param2_min_Label, 0, 1)
grid2.addWidget(self.Param2_min_Edit, 1, 1)
grid2.addWidget(self.Param2_max_Label, 0, 2)
grid2.addWidget(self.Param2_max_Edit, 1, 2)
grid2.addWidget(self.Param2_step_Label, 0, 3)
grid2.addWidget(self.Param2_step_Edit, 1, 3)
self.horizontalGroupBox_Param2.setLayout(self.Param2_layout)
#action button
self.horizontalGroupBox_Actions = QtGui.QGroupBox("Actions")
self.horizontalGroupBox_Actions.setMaximumHeight(100)
self.layout_Actions = QtGui.QHBoxLayout()
self.Button_Run=QtGui.QPushButton('Run')
self.nbparam = QtGui.QTextEdit('2')
self.nbparam.setMaximumHeight(30)
self.nbparam.setMaximumWidth(50)
self.layout_Actions.addWidget(self.Button_Run)
self.layout_Actions.addWidget(self.nbparam)
self.horizontalGroupBox_Actions.setLayout(self.layout_Actions)
# set layout
self.mainHBOX_param_scene.addWidget(self.horizontalGroupBox_Actions)
self.mainHBOX_param_scene.addWidget(self.horizontalGroupBox_Param2)
self.centralWidget.setLayout(self.mainHBOX_param_scene)
self.Button_Run.clicked.connect(self.Runclick)
def Runclick(self):
# parameter2
self.horizontalGroupBox_Param = QtGui.QGroupBox("Set range Parameter 2 for matrix method")
nbparam = int(self.nbparam.toPlainText())
self.Param_layout = QtGui.QVBoxLayout()
grid2 = QtGui.QGridLayout()
self.Param_layout.addLayout(grid2)
self.Param_Label = QtGui.QLabel('Names')
self.Param_min_Label = QtGui.QLabel('mins')
self.Param_max_Label = QtGui.QLabel('maxs')
self.Param_step_Label = QtGui.QLabel('steps')
grid2.addWidget(self.Param_Label, 0, 0)
grid2.addWidget(self.Param_min_Label, 0, 1)
grid2.addWidget(self.Param_max_Label, 0, 2)
grid2.addWidget(self.Param_step_Label, 0, 3)
self.listofedit = []
text=["a","b","c"]
for i in np.arange(nbparam):
print(i)
self.listofedit.append([QtGui.QComboBox(),QtGui.QTextEdit('10'),QtGui.QTextEdit('50'),QtGui.QTextEdit('10')])
self.listofedit[i][0].addItems(text)
self.listofedit[i][0].setMinimumWidth(100)
self.listofedit[i][1].setMaximumWidth(40)
self.listofedit[i][2].setMaximumWidth(40)
self.listofedit[i][3].setMaximumWidth(40)
grid2.addWidget(self.listofedit[i][0], i+1, 0)
grid2.addWidget(self.listofedit[i][1], i+1, 1)
grid2.addWidget(self.listofedit[i][2], i+1, 2)
grid2.addWidget(self.listofedit[i][3], i+1, 3)
self.horizontalGroupBox_Param.setLayout(self.Param_layout)
# while self.horizontalGroupBox_Param2.layout().count():
# self.horizontalGroupBox_Param2.layout().itemAt(0).widget().deleteLater()
self.horizontalGroupBox_Param2.layout().clear()
self.horizontalGroupBox_Param2.setLayout(self.Param_layout)
return
if __name__ == '__main__':
app = QtGui.QApplication(sys.argv)
ex = SurfViewer(app)
ex.show()
sys.exit(app.exec_())
這使我產生這個窗口:
因此,我想單擊的是“運行”(右上角的數字為N行),然后修改窗口下部的參數集數量。 因此,在這種情況下,我應該有兩行輸入兩個名稱,兩個最小,兩個最大和兩個階躍值。 我開始進行窗口更新,但是我一直在努力尋找正確的代碼以放入def Runclick(self):
我已經編寫了代碼以生成正確數量的參數集行,但是我無法使用它們來更新窗口。
我清楚地做了最后一部分寫的東西:
self.horizontalGroupBox_Param.setLayout(self.Param_layout)
# while self.horizontalGroupBox_Param2.layout().count():
# self.horizontalGroupBox_Param2.layout().itemAt(0).widget().deleteLater()
self.horizontalGroupBox_Param2.setLayout(self.Param_layout)
我認為我沒有采取正確的方法。 因此,如果有人對此有解決方案,我將不勝感激
嗨,@ jgorosdev,謝謝您的回答。 雖然,它與我想要的不完全對應。 在您給我的代碼中,它可以正常工作,因為參數集始終在窗口底部更新,但是在我更高級的軟件中,后面還有一些其他QGroupBox。 例如,如果我添加一個類似控制台的部分:
# -*- coding: utf-8 -*-
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from PyQt4 import QtGui
import sys
import numpy as np
class SurfViewer(QtGui.QMainWindow):
def __init__(self, parent=None):
super(SurfViewer, self).__init__()
# General Window
self.centralWidget = QtGui.QWidget()
self.setCentralWidget(self.centralWidget)
self.mainHBOX_param_scene = QtGui.QVBoxLayout()
#action button
self.horizontalGroupBox_Actions = QtGui.QGroupBox("Actions")
self.horizontalGroupBox_Actions.setMaximumHeight(100)
self.layout_Actions = QtGui.QHBoxLayout()
self.Button_Run=QtGui.QPushButton('Run')
self.nbparam = QtGui.QTextEdit('3')
self.nbparam.setMaximumHeight(30)
self.nbparam.setMaximumWidth(50)
self.layout_Actions.addWidget(self.Button_Run)
self.layout_Actions.addWidget(self.nbparam)
self.horizontalGroupBox_Actions.setLayout(self.layout_Actions)
self.mainHBOX_param_scene.addWidget(self.horizontalGroupBox_Actions)
self.centralWidget.setLayout(self.mainHBOX_param_scene)
self.updateWidget = None
# Param2 layout
self.horizontalGroupBox_Param2 = QtGui.QGroupBox("Set range Parameter 2 for matrix method")
self.Param2_layout = QtGui.QVBoxLayout()
self.Button_Run.clicked.connect(self.UpdateLayout)
self.UpdateLayout()
# console
self.horizontalGroupBox_Console2 = QtGui.QGroupBox("Console ")
self.layout_Consol_Label2 = QtGui.QVBoxLayout()
self.Consol_Label2 = QtGui.QTextEdit('Console :')
self.layout_Consol_Label2.addWidget(self.Consol_Label2)
self.horizontalGroupBox_Console2.setLayout(self.layout_Consol_Label2)
self.mainHBOX_param_scene.addWidget(self.horizontalGroupBox_Console2)
# parameter2
# From now on everything well be created inside a function that updates the layout
def UpdateLayout(self):
if (self.updateWidget == None):
self.updateWidget = QtGui.QWidget()
else:
self.mainHBOX_param_scene.removeWidget(self.updateWidget)
self.updateWidget.deleteLater()
self.updateWidget = None
cnt = self.mainHBOX_param_scene.layout().count()
print("Widget count:" +str(cnt)+ "")
nbparam = int(self.nbparam.toPlainText())
#self.horizontalGroupBox_Param2.setMaximumHeight(150)
grid2 = QtGui.QGridLayout()
self.Param2_Label = QtGui.QLabel('Name')
self.Param2 = QtGui.QComboBox()
self.Param2.addItems(["a","b","c"])
self.Param2.setMinimumWidth(100)
# self.Param2_layout.addWidget(self.Param2)
self.Param2_min_Label = QtGui.QLabel('min')
self.Param2_max_Label = QtGui.QLabel('max')
self.Param2_step_Label = QtGui.QLabel('step')
grid2.addWidget(self.Param2_Label, 0, 0)
grid2.addWidget(self.Param2_min_Label, 0, 1)
grid2.addWidget(self.Param2_max_Label, 0, 2)
grid2.addWidget(self.Param2_step_Label, 0, 3)
self.listofedit = []
text=["a","b","c"]
for i in np.arange(nbparam):
print(i)
self.listofedit.append([QtGui.QComboBox(),QtGui.QTextEdit('20'),QtGui.QTextEdit('50'),QtGui.QTextEdit('10')])
self.listofedit[i][0].addItems(text)
self.listofedit[i][0].setMinimumWidth(100)
self.listofedit[i][1].setMaximumWidth(40)
self.listofedit[i][1].setMaximumHeight(40)
self.listofedit[i][2].setMaximumWidth(40)
self.listofedit[i][2].setMaximumHeight(40)
self.listofedit[i][3].setMaximumWidth(40)
self.listofedit[i][3].setMaximumHeight(40)
grid2.addWidget(self.listofedit[i][0], i+1, 0)
grid2.addWidget(self.listofedit[i][1], i+1, 1)
grid2.addWidget(self.listofedit[i][2], i+1, 2)
grid2.addWidget(self.listofedit[i][3], i+1, 3)
self.updateWidget = QtGui.QWidget()
self.updateWidget.setLayout(grid2)
#self.updateWidget.setMaximumHeight(nbparam*60)
self.Param2_layout.addWidget(self.updateWidget)
self.horizontalGroupBox_Param2.setLayout(self.Param2_layout)
self.mainHBOX_param_scene.addWidget(self.horizontalGroupBox_Param2)
return
if __name__ == '__main__':
app = QtGui.QApplication(sys.argv)
ex = SurfViewer(app)
ex.show()
sys.exit(app.exec_())
我一開始有這個窗口:
這是我想要的,但是單擊“運行”按鈕后,我得到了這張圖片:
因此,控制台和參數集是相反的。 我想知道是否可以在不重新構建所有布局的情況下替換部分布局?
我對代碼做了一些小的更改,現在可以正常工作了。
您在代碼中兩次創建了底部的groupbox,我認為這是一種更好的方法。 我已經將所有內容打包在UpdateLayout
函數中。
您可能需要重新檢查大小調整qt策略,以正確調整主窗口的大小。
帶有UPDATE的代碼:
# -*- coding: utf-8 -*-
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from PyQt4 import QtGui
import sys
import numpy as np
class SurfViewer(QtGui.QMainWindow):
def __init__(self, parent=None):
super(SurfViewer, self).__init__()
# General Window
self.centralWidget = QtGui.QWidget()
self.setCentralWidget(self.centralWidget)
self.mainHBOX_param_scene = QtGui.QVBoxLayout()
#action button
self.horizontalGroupBox_Actions = QtGui.QGroupBox("Actions")
self.horizontalGroupBox_Actions.setMaximumHeight(100)
self.layout_Actions = QtGui.QHBoxLayout()
self.Button_Run=QtGui.QPushButton('Run')
self.nbparam = QtGui.QTextEdit('3')
self.nbparam.setMaximumHeight(30)
self.nbparam.setMaximumWidth(50)
self.layout_Actions.addWidget(self.Button_Run)
self.layout_Actions.addWidget(self.nbparam)
self.horizontalGroupBox_Actions.setLayout(self.layout_Actions)
self.mainHBOX_param_scene.addWidget(self.horizontalGroupBox_Actions)
self.centralWidget.setLayout(self.mainHBOX_param_scene)
self.updateWidget = None
# Param2 layout
self.horizontalGroupBox_Param2 = QtGui.QGroupBox("Set range Parameter 2 for matrix method")
self.Param2_layout = QtGui.QVBoxLayout()
self.Button_Run.clicked.connect(self.UpdateLayout)
self.UpdateLayout()
# console
self.horizontalGroupBox_Console2 = QtGui.QGroupBox("Console ")
self.layout_Consol_Label2 = QtGui.QVBoxLayout()
self.Consol_Label2 = QtGui.QTextEdit('Console :')
self.layout_Consol_Label2.addWidget(self.Consol_Label2)
self.horizontalGroupBox_Console2.setLayout(self.layout_Consol_Label2)
self.mainHBOX_param_scene.addWidget(self.horizontalGroupBox_Console2)
# parameter2
# From now on everything well be created inside a function that updates the layout
def UpdateLayout(self):
if (self.updateWidget == None):
self.updateWidget = QtGui.QWidget()
else:
self.mainHBOX_param_scene.removeWidget(self.updateWidget)
self.updateWidget.deleteLater()
self.updateWidget = None
cnt = self.mainHBOX_param_scene.layout().count()
print("Widget count:" +str(cnt)+ "")
nbparam = int(self.nbparam.toPlainText())
#self.horizontalGroupBox_Param2.setMaximumHeight(150)
grid2 = QtGui.QGridLayout()
self.Param2_Label = QtGui.QLabel('Name')
self.Param2 = QtGui.QComboBox()
self.Param2.addItems(["a","b","c"])
self.Param2.setMinimumWidth(100)
# self.Param2_layout.addWidget(self.Param2)
self.Param2_min_Label = QtGui.QLabel('min')
self.Param2_max_Label = QtGui.QLabel('max')
self.Param2_step_Label = QtGui.QLabel('step')
grid2.addWidget(self.Param2_Label, 0, 0)
grid2.addWidget(self.Param2_min_Label, 0, 1)
grid2.addWidget(self.Param2_max_Label, 0, 2)
grid2.addWidget(self.Param2_step_Label, 0, 3)
self.listofedit = []
text=["a","b","c"]
for i in np.arange(nbparam):
print(i)
self.listofedit.append([QtGui.QComboBox(),QtGui.QTextEdit('20'),QtGui.QTextEdit('50'),QtGui.QTextEdit('10')])
self.listofedit[i][0].addItems(text)
self.listofedit[i][0].setMinimumWidth(100)
self.listofedit[i][1].setMaximumWidth(40)
self.listofedit[i][1].setMaximumHeight(40)
self.listofedit[i][2].setMaximumWidth(40)
self.listofedit[i][2].setMaximumHeight(40)
self.listofedit[i][3].setMaximumWidth(40)
self.listofedit[i][3].setMaximumHeight(40)
grid2.addWidget(self.listofedit[i][0], i+1, 0)
grid2.addWidget(self.listofedit[i][1], i+1, 1)
grid2.addWidget(self.listofedit[i][2], i+1, 2)
grid2.addWidget(self.listofedit[i][3], i+1, 3)
self.updateWidget = QtGui.QWidget()
self.updateWidget.setLayout(grid2)
#self.updateWidget.setMaximumHeight(nbparam*60)
self.Param2_layout.addWidget(self.updateWidget,)
self.horizontalGroupBox_Param2.setLayout(self.Param2_layout)
#self.mainHBOX_param_scene.addWidget(self.horizontalGroupBox_Param2)
# NEW
self.mainHBOX_param_scene.insertWidget(1,self.horizontalGroupBox_Param2)
return
if __name__ == '__main__':
app = QtGui.QApplication(sys.argv)
ex = SurfViewer(app)
ex.show()
sys.exit(app.exec_())
如果您願意在不更改位置的情況下更新 QGroupBox,則您需要的功能不是addWidget()
,而是insertWidget()
函數。
我已經更新了添加小部件的UpdateLayout
函數中的行。 希望適合您。
接下來是該函數的參考:
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