Qt for Python

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  UNSOLVED PySide2 with Qt Design Studio
  • Pratik Tayshete  

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  Is it possible to use Material design components inside Qt Designer to create UI for a desktop application?
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  UNSOLVED pyqt5 draw above videowidget?
  • fsluckyM  

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  That is fine but without being able to have access to this tobii_research library I cannot run your code as written, however, on the flip-side if I ran the code without this tobii_research and put in some kind of widget filler -- I do not believe it would display the Open button as you never place that within the QMainWindow which is the only thing that appears you .show() Also as denoted within the somewhat cleaned up code -- one normally does not put a QMainWindow within a QWidget wrapper and if my observations are correct you ought not be doing it that way either and you should have done something like the following (see below). As for the open button all-things-considered I would have probably made that a MenuToolBar item instead as then it would not affect your viewing pane def CenterPanel(QWidget): def __init__(self): QWidget.__init__(self) # This would then contain your btnOpen, GraphScene, GraphView, GraphEllipseItem and EyeTracker def MainWindow(QMainWindow): def __init__(self): QMainWindow.__init__(self) CenterPane = CenterPanel(self) self.setCentralWidget(CenterPane)
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  UNSOLVED Did plotly graph library will support in Qt for Python ?
  qt for python • • Chethan  

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  Well it might but in so doing you will be mixing Apples with Oranges which may have issues. pyqtgraph is of course designed to work with Qt as is pyqtcharts further I think folks have been able to integrate matlab into python-qt so maybe it will work seamlessly the best way to find out is to implement one and see what happens. I would start with a very basic version and look to see how matlab is being integrate to get an idea of how you might integrate plotly if you are really set on using plotly as from my understanding pyqtgraph happens to be one of the better graphing engines
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  UNSOLVED [PyQt5] KeepAspectRatio ans StyleSheet
  • anto1ne  

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  Note what I am stating is pure pseudo-code you will need to translate that into actual code That is one way but I believe you can also set your Windows Width = Height as a setting and/or via code on resize such that it maintains the proper scale. For instance if its a square Win.Width = Win.Height is basically all you need If its say 20% taller than it is wide then Win.Width = (Win.Height * 0.8) and so -- just figure out your aspect ratio and implement it for the window itself otherwise the image will not fill the entire window as you would like.
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  UNSOLVED Populating a ListView with Python Objects
  • christofer  

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  Okay I tried to use your example and create a similar more simplistic example using straight PySide2 but stumbled over using that QAbstractListModel so dropped back to an even more simplistic version the QStandardItemModel -- I am also including a link to where someone explains the QAbstractListModel a bit more clearly. Hopefully these two items in conjunction will help you with your issue. from PySide2.QtCore import QAbstractListModel, Qt, QModelIndex, QVariant from PySide2.QtGui import QStandardItemModel, QStandardItem from PySide2.QtWidgets import QApplication, QWidget, QListView, QHBoxLayout, QVBoxLayout #https://stackoverflow.com/questions/46814961/how-to-insert-edit-qabstractlistmodel-in-python-and-qml-updates-automatically class MyItem: def __init__(self, a, b): self.MyName = a self.MyAge = b @property def Name(self): return self.MyName @property def Age(self): return self.MyAge @property def NameAge(self): MyNameAge = str(self.MyName) + ' ' + str(self.MyAge) return MyNameAge class ListView(QListView): def __init__(self): QListView.__init__(self) Hght = 100 Wdth = 100 self.setMaximumWidth(Wdth) self.setMaximumHeight(Hght) class ApplicationWindow(QWidget): def __init__(self): QWidget.__init__(self) Hght = 150 Wdth = 225 self.resize(Wdth, Hght) self.setWindowTitle('ListView') self.Model = QStandardItemModel() NamesAges = [['Al', 10],['Bob',20],['Chad',30]] for Vals in NamesAges: Item = MyItem(Vals[0], Vals[1]).NameAge Row = QStandardItem(Item) self.Model.appendRow(Row) self.TheView = ListView() self.TheView.setModel(self.Model) HBox = QHBoxLayout() HBox.addWidget(self.TheView) HBox.addStretch(1) VBox = QVBoxLayout() VBox.addLayout(HBox) VBox.addStretch(1) self.setLayout(VBox) print("app initialized") if __name__ == '__main__': MainEvntHndlr = QApplication([]) MainApp = ApplicationWindow() MainApp.show() MainEvntHndlr.exec()
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  UNSOLVED [PyQt4] QTableWidget Readonly?
  • Daniel26  

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  Maybe.....fu....I'm blind, sorry.
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  UNSOLVED Qt Design Studio with PySide2
  • Pratik Tayshete  

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  SOLVED Software triggered event
  • dtruex  

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  @dtruex @dtruex said in Software triggered event: Searching for "custom event" resulted in finding this: http://zetcode.com/gui/pyqt5/eventssignals/ The example entitled "Emitting Signals" looks promising. I'll post an update after I give it a try but would appreciate any additional suggestions. Thanks The approach suggested in the article in the link above solved the problem. class Communicate(QObject): intSig = pyqtSignal() class MainWindow(QMainWindow): self.c = Communicate() self.c.intSig.connect(self.piPlateINT2) etc #ISR def piPlateINT(self,channel): self.c.intSig.emit() #the code def piPlateINT2(self): self.buttonIntCount = self.buttonIntCount + 1 etc
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  SOLVED Save QRadioButton Selection
  • Neeraj2020  

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  Thanks to all @sierdzio @jsulm @Pablo-J-Rogina @Denni-0 @JonB
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  SOLVED PySide2 custom compound QML widget
  • christofer  

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  Thank you @J-Hilk , that is exactly what I was looking for.
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  UNSOLVED QtWebEnginePage.runJavaScript
  • Rolln  

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  @skidooman We convered this recently in https://forum.qt.io/topic/110659/q_arg-missing-in-python-how-to-use-invokemethod. A couple of posts there claim workarounds, I didn't look at them but you might want to....
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  UNSOLVED QtMultimedia PySide2 Error
  • Pratik Tayshete  

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  Okay first when I ran this code as is -- (switching PySide2 to PyQt5) I get the error: TypeError: QApplication(List[str]): not enough arguments Fix that error by doing this - app = QApplication([]) Then I get this error: TypeError: setMedia(self, QMediaContent, stream: QIODevice = None): argument 1 has unexpected type 'QUrl' So looked into see what you were doing wrong -- and you have not implemented it correctly. Now the below code while it moves into a better direction by handling the various elements correctly it will have an issue if you do not have the appropriate Codec From Stackoverflow: The error code is rather generic: 0x80040218 VFW_E_CANNOT_RENDER "No combination of filters could be found to render the stream." and the typical cause is that the application cannot decode media feed because it lacks decoding components, such as codec for this video feed is not installed/available. I am not going to download a Codec since I am not trying to render a video but here is the adjusted code that utilizes each piece appropriately. Also this was tested with PyQt5 as I do not have PySide2 but they should work the same unless PySide2 has not gotten to this yet. Oh and the error I get when running this in PyQt5 is: DirectShowPlayerService::doRender: Unresolved error code 0x80040266 (IDispatch error #102) Which I believe is related to the Codec thing as it is a rendering error, although I can double click the file directly and it runs. So maybe its some other disconnection -- or you have to specifically state what Codec you are using. Again this should at least get you moving in the right direction. from PySide2.QtCore import QUrl from PySide2.QtWidgets import QApplication from PySide2.QtMultimedia import QMediaPlayer, QMediaPlaylist, QMediaContent from PySide2.QtMultimediaWidgets import QVideoWidget class PlayList(QMediaPlaylist): def __init__(self): QMediaPlaylist.__init__(self) UrlMedia = QUrl('demo.mp4') BaseUrl = QUrl('file:/C:/PathTo/Directory/') FullMedia = BaseUrl.resolved(UrlMedia) self.addMedia(QMediaContent(FullMedia)) self.setCurrentIndex(1) self.player = QMediaPlayer() self.player.setPlaylist(self) try: self.videoWidget = QVideoWidget() self.player.setVideoOutput(self.videoWidget) self.videoWidget.show() self.player.play() except: print('Error Occurred') if __name__ == '__main__': MainEvntHndlr = QApplication([]) MainApp = PlayList() MainEvntHndlr.exec()
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  SOLVED [PyQt5] Translate QCombobox
  • anto1ne  

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  @anto1ne okay and what you just did -- though you may not understand it this way -- is change your database but you did it by augmenting it externally and adding another layer of complexity to your program -- note a Json file is just simply a very simplistic database. Still if this works for what it is you want to do congratz on coming up with a solution that you feel comfortable with.
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  UNSOLVED Q_ARG missing in python/ how to use invokeMethod ?
  • Jim Gir  

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  @numaelisis Is this a question? Yes, PySide2 does not have any support for Q_ARG.
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  UNSOLVED QThread - Error - QThread: Destroyed while thread is still running
  • Pratik Tayshete  

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  You have to wait until the thread is really finished, see the documentation
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  UNSOLVED PySide2 QCombobox list dropdown issue
  • ariely  

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  Okay the handling of the positioning of the dropdown I would imagine is contained within the QComboBox not the delegate and you can verify this by simply creating a combobox without a delegate and checking its functionality So if that is the case, to modify it you would need to modify its behavior which you do by sub-classing it to make a combo box that works the way you want it to work
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  SOLVED [PyQt5] Qlabel doesn't update
  • DrKaiser  

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  This is pyqt4 if __name__ == '__main__': app = QApplication(sys.argv) ex = App() sys.exit(app.exec_()) The following is the pyqt5 version if __name__ == '__main__': MainEvntThread = QApplication([]) #If you plan to use Command Line arguments look at the argparser library MainApp = App() MainApp.show() # <-- Should do this here unless you need to delay it for some reason MainEvntThread .exec()
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  UNSOLVED QComboBox editor showPopup incorrect placment of listview
  • alom  

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  no worries, So I was able to try an event filter and test if a HoverEnter event happened, Then trigger the show pop up. Seems to solve the placement issue, not sure if this is the proper way of handling this,but gets the job done so far. from PySide2 import QtGui, QtCore, QtWidgets import sys class CustomTableDelegate(QtWidgets.QStyledItemDelegate): def __init__(self, parent=None): super(CustomTableDelegate, self).__init__(parent) def createEditor(self, parent, option, index): """Create the ComboBox editor view.""" if index.column() == 0: editor = QtWidgets.QComboBox(parent) editor.addItems(['v001', 'v002', 'v003']) editor.installEventFilter(self) editor.activated.connect(self.commitAndCloseEditor) return editor def setEditorData(self, editor, index): """Set the ComboBox's current index.""" value = index.data(QtCore.Qt.DisplayRole) i = editor.findText(value) if i == -1: i = 0 editor.setCurrentIndex(i) def commitAndCloseEditor(self): editor = self.sender() self.commitData.emit(editor) self.closeEditor.emit(editor, QtWidgets.QStyledItemDelegate.NoHint) def setModelData(self, editor, model, index): """Set the table's model's data when finished editing.""" value = editor.currentText() model.setData(index, value) def eventFilter(self, p_object, event): if event.type() == QtCore.QEvent.Type.HoverEnter: p_object.showPopup() return True else: return False if __name__ == '__main__': app = QtWidgets.QApplication([]) data = [["v001", "stuff", "fixing source", '2020-01-14', ''], ["v002", "more stuff", "currently broken", '2020-06-30', ''], ["v003", "too much stuff", "scaling issues", '2020-02-08', ''], ["v088", "still missing stuff", "not coment", '2020-11-13', ''], ] table_view = QtWidgets.QTableView() table_view.setItemDelegate(CustomTableDelegate(table_view)) model = QtGui.QStandardItemModel() model.setHorizontalHeaderLabels(['version', 'file', 'comment', 'date', '']) table_view.setModel(model) for r in range(len(data)): for c in range(5): model.setItem(r, c, QtGui.QStandardItem(data[r][c])) table_view.show() sys.exit(app.exec_())
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  UNSOLVED [PyQt5] QTableWidget Input crash with wchar_t (specifically, Korean characters)
  • chan1123  

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  I had the same problem when typing Chinese character in QTableWidget if QTableWidget contain a widget in a cell
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  UNSOLVED Read in stl file using Qt3DRender QMesh
  • AzureBLue  

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  SOLVED Pyqt5 help!!
  pyqt5 labels • • Dexter99  

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  Yes that is what SGaist said in the post previous to your last post
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  SOLVED Help to use QFileDialog.
  • luguecos  

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  Okay here it is fixed and more python-pyqt-ish from PyQt5.QtCore import pyqtSlot from PyQt5.QtWidgets import QApplication, QWidget, QHBoxLayout, QVBoxLayout, QPushButton class UI_MainWindow(QWidget): def __init__(self): QWidget.__init__(self) self.setWindowTitle("L Plot Beta v1.0") self.resize(250,75) self.btnLoadData = QPushButton('Load Data') self.btnLoadData.clicked.connect(self.openFile) HBox = QHBoxLayout() HBox.addWidget(self.btnLoadData) HBox.addStretch(1) VBox = QVBoxLayout() VBox.addLayout(HBox) VBox.addStretch(1) self.setLayout(VBox) @pyqtSlot() def openFile(self): print('Opening a File Now') if __name__ == '__main__': MainEvntHndlr = QApplication([]) MainApp = UI_MainWindow() MainApp.show() MainEvntHndlr.exec()
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  SOLVED QScroller "stateChanged" event not triggered
  • stroblme  

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  @SGaist Thanks a lot. Instantiation using QScroller.scroller(self.viewport) did the trick! Sorry that I missed that.
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  UNSOLVED Design list element
  • chrlein  

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  Yes -- that is if I am understanding your rather vague question correctly
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  UNSOLVED Pyqt5 help on button and grid layouts.
  gridlayout buttons pysical • • Dexter99  

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  @Dexter99 said in Pyqt5 help on button and grid layouts.: The show is okay but now I want to add it in a grid layout. Please show us what you've tried.
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  UNSOLVED qtextedit settext/setmarkdown not updating
  • hermes  

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  I figures out that I was chasing something completly wrong.. In the end it was simply that I had incorrectly switched the order of two commands... self.loadfile(filename) self.c_file = filename ... What a basic mistake...
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  UNSOLVED pyqt5 multiple video streams
  • nightpoison  

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  Then as already suggested, you should write a QCamera backend using these libraries. You'll have better performances.
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  UNSOLVED How to destroy a singleton and then create a new one.
  pyside2 pyside • • a_fol  

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  @canol , I've met same issue in Spyder (debug is possible one time after start only). So i've found a workaround: app = QApplication.instance() if app == None: app = QApplication([]) instead of usual app = QApplication([]) Maybe it'll help for you. It did the trick for me.
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  UNSOLVED How to change color of user text in QLineEdit
  • sherief  

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  but do yourself a very big favor and do not use Qt Designer as that is not meant to produce quality code that is use-able in a project and in fact produces nothing but yuck that you cannot deal with since its supposed to be a black box which is always a bad thing in any code project
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  This topic is deleted!
  • Emrecp  

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  UNSOLVED How to declare enums in Python and expose to QML?
  • daljit97  

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  So instead of using old school Enums use a Dictionary as that is basically how it is handled behind the scenes aka Directions = {} Directions ['East'] = 1 print(Directions['East']) --or-- Directions [1] = 'East' print(Directions[1]) depending on which value you are wanting to be what you get back then you just pass the dictionary
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  This topic is deleted!
  • GraGia  

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  SOLVED [PyQt5] mouse position over label
  • ceciacd79  

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  @Denni-0 said in [PyQt5] mouse position over label: are you going to include that UI you import # -*- coding: utf-8 -*- # Form implementation generated from reading ui file 'Opencv.ui' # # Created by: PyQt5 UI code generator 5.13.0 # # WARNING! All changes made in this file will be lost! from mouse_over import mouse_over import QT_image_rc from PyQt5 import QtCore, QtGui, QtWidgets class Ui_MainWindow(object): def setupUi(self, MainWindow): MainWindow.setObjectName("MainWindow") MainWindow.resize(835, 574) MainWindow.setMinimumSize(QtCore.QSize(0, 0)) palette = QtGui.QPalette() brush = QtGui.QBrush(QtGui.QColor(0, 0, 0)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.WindowText, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Button, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Light, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Midlight, brush) brush = QtGui.QBrush(QtGui.QColor(127, 127, 127)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Dark, brush) brush = QtGui.QBrush(QtGui.QColor(170, 170, 170)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Mid, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Text, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.BrightText, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.ButtonText, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Base, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Window, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Shadow, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.AlternateBase, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 220)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.ToolTipBase, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.ToolTipText, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0, 128)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.PlaceholderText, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.WindowText, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Button, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Light, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Midlight, brush) brush = QtGui.QBrush(QtGui.QColor(127, 127, 127)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Dark, brush) brush = QtGui.QBrush(QtGui.QColor(170, 170, 170)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Mid, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Text, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.BrightText, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.ButtonText, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Base, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Window, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Shadow, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.AlternateBase, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 220)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.ToolTipBase, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.ToolTipText, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0, 128)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.PlaceholderText, brush) brush = QtGui.QBrush(QtGui.QColor(127, 127, 127)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.WindowText, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Button, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Light, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Midlight, brush) brush = QtGui.QBrush(QtGui.QColor(127, 127, 127)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Dark, brush) brush = QtGui.QBrush(QtGui.QColor(170, 170, 170)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Mid, brush) brush = QtGui.QBrush(QtGui.QColor(127, 127, 127)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Text, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.BrightText, brush) brush = QtGui.QBrush(QtGui.QColor(127, 127, 127)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.ButtonText, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Base, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Window, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Shadow, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.AlternateBase, brush) brush = QtGui.QBrush(QtGui.QColor(255, 255, 220)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.ToolTipBase, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.ToolTipText, brush) brush = QtGui.QBrush(QtGui.QColor(0, 0, 0, 128)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.PlaceholderText, brush) MainWindow.setPalette(palette) icon = QtGui.QIcon() icon.addPixmap(QtGui.QPixmap(":/Logo/resource/LOGO/LOGO 01.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off) MainWindow.setWindowIcon(icon) MainWindow.setIconSize(QtCore.QSize(24, 24)) self.centralwidget = QtWidgets.QWidget(MainWindow) sizePolicy = QtWidgets.QSizePolicy( QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding) sizePolicy.setHorizontalStretch(1) sizePolicy.setVerticalStretch(1) sizePolicy.setHeightForWidth(self.centralwidget.sizePolicy().hasHeightForWidth()) self.centralwidget.setSizePolicy(sizePolicy) self.centralwidget.setMinimumSize(QtCore.QSize(800, 0)) self.centralwidget.setSizeIncrement(QtCore.QSize(1, 1)) self.centralwidget.setMouseTracking(False) self.centralwidget.setObjectName("centralwidget") self.GD_WIDGET = QtWidgets.QGridLayout(self.centralwidget) self.GD_WIDGET.setContentsMargins(9, 9, 9, 9) self.GD_WIDGET.setSpacing(6) self.GD_WIDGET.setObjectName("GD_WIDGET") self.GB_ORIGINAL = QtWidgets.QGroupBox(self.centralwidget) self.GB_ORIGINAL.setMinimumSize(QtCore.QSize(300, 0)) self.GB_ORIGINAL.setObjectName("GB_ORIGINAL") self.GL_ORIGINAL = QtWidgets.QGridLayout(self.GB_ORIGINAL) self.GL_ORIGINAL.setContentsMargins(9, 9, 9, 9) self.GL_ORIGINAL.setSpacing(6) self.GL_ORIGINAL.setObjectName("GL_ORIGINAL") self.GD_ORIGINAL = QtWidgets.QGridLayout() self.GD_ORIGINAL.setContentsMargins(9, 9, 9, 9) self.GD_ORIGINAL.setSpacing(6) self.GD_ORIGINAL.setObjectName("GD_ORIGINAL") self.gridLayout = QtWidgets.QGridLayout() self.gridLayout.setContentsMargins(9, 9, 9, 9) self.gridLayout.setSpacing(6) self.gridLayout.setObjectName("gridLayout") self.TW_ORIGINAL = QtWidgets.QTableWidget(self.GB_ORIGINAL) font = QtGui.QFont() font.setFamily("Rockwell") font.setPointSize(8) self.TW_ORIGINAL.setFont(font) self.TW_ORIGINAL.setFrameShape(QtWidgets.QFrame.StyledPanel) self.TW_ORIGINAL.setSizeAdjustPolicy(QtWidgets.QAbstractScrollArea.AdjustToContents) self.TW_ORIGINAL.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers) self.TW_ORIGINAL.setRowCount(4) self.TW_ORIGINAL.setColumnCount(2) self.TW_ORIGINAL.setObjectName("TW_ORIGINAL") self.TW_ORIGINAL.horizontalHeader().setVisible(False) self.TW_ORIGINAL.horizontalHeader().setCascadingSectionResizes(True) self.TW_ORIGINAL.horizontalHeader().setSortIndicatorShown(False) self.TW_ORIGINAL.verticalHeader().setVisible(False) self.TW_ORIGINAL.verticalHeader().setDefaultSectionSize(21) self.gridLayout.addWidget(self.TW_ORIGINAL, 0, 0, 1, 2) self.GD_ORIGINAL.addLayout(self.gridLayout, 3, 0, 1, 1) self.horizontalLayout_2 = QtWidgets.QHBoxLayout() self.horizontalLayout_2.setContentsMargins(9, 9, 9, 9) self.horizontalLayout_2.setSpacing(6) self.horizontalLayout_2.setObjectName("horizontalLayout_2") self.BT_OpenCAM = QtWidgets.QPushButton(self.GB_ORIGINAL) icon1 = QtGui.QIcon() icon1.addPixmap(QtGui.QPixmap(":/Webcam/resource/Hard/WEBCAM/CAM 04.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off) self.BT_OpenCAM.setIcon(icon1) self.BT_OpenCAM.setCheckable(True) self.BT_OpenCAM.setObjectName("BT_OpenCAM") self.horizontalLayout_2.addWidget(self.BT_OpenCAM) self.BT_OpenFile = QtWidgets.QPushButton(self.GB_ORIGINAL) icon2 = QtGui.QIcon() icon2.addPixmap(QtGui.QPixmap(":/File/resource/File/FILE 032.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off) self.BT_OpenFile.setIcon(icon2) self.BT_OpenFile.setObjectName("BT_OpenFile") self.horizontalLayout_2.addWidget(self.BT_OpenFile) spacerItem = QtWidgets.QSpacerItem( 93, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) self.horizontalLayout_2.addItem(spacerItem) self.GD_ORIGINAL.addLayout(self.horizontalLayout_2, 0, 0, 1, 1) self.LB_ORIGINAL = QtWidgets.QLabel(self.GB_ORIGINAL) sizePolicy = QtWidgets.QSizePolicy( QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth(self.LB_ORIGINAL.sizePolicy().hasHeightForWidth()) self.LB_ORIGINAL.setSizePolicy(sizePolicy) self.LB_ORIGINAL.setMinimumSize(QtCore.QSize(320, 240)) self.LB_ORIGINAL.setSizeIncrement(QtCore.QSize(0, 0)) self.LB_ORIGINAL.setBaseSize(QtCore.QSize(0, 0)) self.LB_ORIGINAL.setFrameShape(QtWidgets.QFrame.StyledPanel) self.LB_ORIGINAL.setFrameShadow(QtWidgets.QFrame.Plain) self.LB_ORIGINAL.setLineWidth(0) self.LB_ORIGINAL.setMidLineWidth(0) self.LB_ORIGINAL.setText("") self.LB_ORIGINAL.setPixmap(QtGui.QPixmap( ":/No Image/resource/images/NO IMAGE/NO IMAGE 001.png")) self.LB_ORIGINAL.setScaledContents(False) self.LB_ORIGINAL.setAlignment(QtCore.Qt.AlignCenter) self.LB_ORIGINAL.setObjectName("LB_ORIGINAL") self.GD_ORIGINAL.addWidget(self.LB_ORIGINAL, 1, 0, 1, 1) self.GL_ORIGINAL.addLayout(self.GD_ORIGINAL, 0, 0, 1, 1) self.GD_WIDGET.addWidget(self.GB_ORIGINAL, 0, 0, 1, 1) self.GB_WORK = QtWidgets.QGroupBox(self.centralwidget) self.GB_WORK.setMinimumSize(QtCore.QSize(300, 0)) self.GB_WORK.setMouseTracking(False) self.GB_WORK.setObjectName("GB_WORK") self.GL_WORK = QtWidgets.QGridLayout(self.GB_WORK) self.GL_WORK.setContentsMargins(9, 9, 9, 9) self.GL_WORK.setSpacing(6) self.GL_WORK.setObjectName("GL_WORK") self.GD_WORK = QtWidgets.QGridLayout() self.GD_WORK.setContentsMargins(9, 9, 9, 9) self.GD_WORK.setSpacing(6) self.GD_WORK.setObjectName("GD_WORK") self.LB_WORK = mouse_over(self.GB_WORK) sizePolicy = QtWidgets.QSizePolicy( QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth(self.LB_WORK.sizePolicy().hasHeightForWidth()) self.LB_WORK.setSizePolicy(sizePolicy) self.LB_WORK.setMinimumSize(QtCore.QSize(320, 240)) self.LB_WORK.setSizeIncrement(QtCore.QSize(0, 0)) self.LB_WORK.setBaseSize(QtCore.QSize(0, 0)) self.LB_WORK.setMouseTracking(True) self.LB_WORK.setFrameShape(QtWidgets.QFrame.StyledPanel) self.LB_WORK.setFrameShadow(QtWidgets.QFrame.Plain) self.LB_WORK.setText("") self.LB_WORK.setPixmap(QtGui.QPixmap( ":/No Image/resource/images/NO IMAGE/NO IMAGE 001.png")) self.LB_WORK.setAlignment(QtCore.Qt.AlignCenter) self.LB_WORK.setObjectName("LB_WORK") self.GD_WORK.addWidget(self.LB_WORK, 1, 0, 1, 1) self.gridLayout_2 = QtWidgets.QGridLayout() self.gridLayout_2.setContentsMargins(9, 9, 9, 9) self.gridLayout_2.setSpacing(6) self.gridLayout_2.setObjectName("gridLayout_2") self.TW_WORK = QtWidgets.QTableWidget(self.GB_WORK) font = QtGui.QFont() font.setFamily("Rockwell") font.setPointSize(8) self.TW_WORK.setFont(font) self.TW_WORK.setSizeAdjustPolicy(QtWidgets.QAbstractScrollArea.AdjustToContents) self.TW_WORK.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers) self.TW_WORK.setRowCount(4) self.TW_WORK.setColumnCount(2) self.TW_WORK.setObjectName("TW_WORK") self.TW_WORK.horizontalHeader().setVisible(False) self.TW_WORK.horizontalHeader().setCascadingSectionResizes(True) self.TW_WORK.verticalHeader().setVisible(False) self.TW_WORK.verticalHeader().setDefaultSectionSize(21) self.gridLayout_2.addWidget(self.TW_WORK, 0, 0, 1, 2) self.GD_WORK.addLayout(self.gridLayout_2, 3, 0, 1, 1) self.horizontalLayout_5 = QtWidgets.QHBoxLayout() self.horizontalLayout_5.setContentsMargins(9, 9, 9, 9) self.horizontalLayout_5.setSpacing(6) self.horizontalLayout_5.setObjectName("horizontalLayout_5") self.pushButton_2 = QtWidgets.QPushButton(self.GB_WORK) self.pushButton_2.setObjectName("pushButton_2") self.horizontalLayout_5.addWidget(self.pushButton_2) self.comboBox = QtWidgets.QComboBox(self.GB_WORK) self.comboBox.setMinimumSize(QtCore.QSize(150, 0)) self.comboBox.setObjectName("comboBox") self.horizontalLayout_5.addWidget(self.comboBox) spacerItem1 = QtWidgets.QSpacerItem( 40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) self.horizontalLayout_5.addItem(spacerItem1) self.GD_WORK.addLayout(self.horizontalLayout_5, 0, 0, 1, 1) self.GL_WORK.addLayout(self.GD_WORK, 0, 0, 1, 1) self.GD_WIDGET.addWidget(self.GB_WORK, 0, 1, 1, 1) self.GB_BOTTOM = QtWidgets.QGroupBox(self.centralwidget) sizePolicy = QtWidgets.QSizePolicy( QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth(self.GB_BOTTOM.sizePolicy().hasHeightForWidth()) self.GB_BOTTOM.setSizePolicy(sizePolicy) self.GB_BOTTOM.setMinimumSize(QtCore.QSize(0, 70)) self.GB_BOTTOM.setMaximumSize(QtCore.QSize(16777215, 50)) font = QtGui.QFont() font.setFamily("Rockwell") font.setPointSize(8) self.GB_BOTTOM.setFont(font) self.GB_BOTTOM.setObjectName("GB_BOTTOM") self.GL_BOTTOM = QtWidgets.QGridLayout(self.GB_BOTTOM) self.GL_BOTTOM.setContentsMargins(2, 2, 2, 4) self.GL_BOTTOM.setSpacing(2) self.GL_BOTTOM.setObjectName("GL_BOTTOM") self.GD_BOTTOM = QtWidgets.QGridLayout() self.GD_BOTTOM.setSizeConstraint(QtWidgets.QLayout.SetDefaultConstraint) self.GD_BOTTOM.setContentsMargins(2, 2, 2, 2) self.GD_BOTTOM.setHorizontalSpacing(3) self.GD_BOTTOM.setVerticalSpacing(2) self.GD_BOTTOM.setObjectName("GD_BOTTOM") self.LB_RAM = QtWidgets.QLabel(self.GB_BOTTOM) sizePolicy = QtWidgets.QSizePolicy( QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Preferred) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth(self.LB_RAM.sizePolicy().hasHeightForWidth()) self.LB_RAM.setSizePolicy(sizePolicy) self.LB_RAM.setObjectName("LB_RAM") self.GD_BOTTOM.addWidget(self.LB_RAM, 0, 2, 1, 1) spacerItem2 = QtWidgets.QSpacerItem( 600, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) self.GD_BOTTOM.addItem(spacerItem2, 0, 3, 1, 1) self.LB_CPU = QtWidgets.QLabel(self.GB_BOTTOM) sizePolicy = QtWidgets.QSizePolicy( QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Preferred) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth(self.LB_CPU.sizePolicy().hasHeightForWidth()) self.LB_CPU.setSizePolicy(sizePolicy) self.LB_CPU.setObjectName("LB_CPU") self.GD_BOTTOM.addWidget(self.LB_CPU, 0, 0, 1, 1) self.LB_FREQ = QtWidgets.QLabel(self.GB_BOTTOM) sizePolicy = QtWidgets.QSizePolicy( QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Preferred) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth(self.LB_FREQ.sizePolicy().hasHeightForWidth()) self.LB_FREQ.setSizePolicy(sizePolicy) self.LB_FREQ.setObjectName("LB_FREQ") self.GD_BOTTOM.addWidget(self.LB_FREQ, 0, 1, 1, 1) self.GL_BOTTOM.addLayout(self.GD_BOTTOM, 0, 0, 1, 1) self.GD_WIDGET.addWidget(self.GB_BOTTOM, 1, 0, 1, 2) MainWindow.setCentralWidget(self.centralwidget) self.menubar = QtWidgets.QMenuBar(MainWindow) self.menubar.setGeometry(QtCore.QRect(0, 0, 835, 22)) self.menubar.setObjectName("menubar") self.menuFile = QtWidgets.QMenu(self.menubar) self.menuFile.setObjectName("menuFile") self.menuCamera = QtWidgets.QMenu(self.menubar) self.menuCamera.setObjectName("menuCamera") self.menuInfo = QtWidgets.QMenu(self.menubar) self.menuInfo.setObjectName("menuInfo") MainWindow.setMenuBar(self.menubar) self.statusbar = QtWidgets.QStatusBar(MainWindow) self.statusbar.setEnabled(True) sizePolicy = QtWidgets.QSizePolicy( QtWidgets.QSizePolicy.MinimumExpanding, QtWidgets.QSizePolicy.Minimum) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth(self.statusbar.sizePolicy().hasHeightForWidth()) self.statusbar.setSizePolicy(sizePolicy) self.statusbar.setMinimumSize(QtCore.QSize(0, 0)) self.statusbar.setBaseSize(QtCore.QSize(0, 0)) self.statusbar.setObjectName("statusbar") MainWindow.setStatusBar(self.statusbar) self.actionExit = QtWidgets.QAction(MainWindow) icon3 = QtGui.QIcon() icon3.addPixmap(QtGui.QPixmap(":/Open Close/resource/Open close/EXIT 000.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off) self.actionExit.setIcon(icon3) self.actionExit.setObjectName("actionExit") self.CheckCam0 = QtWidgets.QAction(MainWindow) self.CheckCam0.setCheckable(True) self.CheckCam0.setChecked(True) self.CheckCam0.setEnabled(True) self.CheckCam0.setIcon(icon1) self.CheckCam0.setObjectName("CheckCam0") self.CheckCam1 = QtWidgets.QAction(MainWindow) self.CheckCam1.setCheckable(True) self.CheckCam1.setIcon(icon1) self.CheckCam1.setObjectName("CheckCam1") self.actionInfo = QtWidgets.QAction(MainWindow) icon4 = QtGui.QIcon() icon4.addPixmap(QtGui.QPixmap(":/Help/resource/Icon/HELP/HELP 000.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off) self.actionInfo.setIcon(icon4) self.actionInfo.setObjectName("actionInfo") self.actionOpen_log_File = QtWidgets.QAction(MainWindow) icon5 = QtGui.QIcon() icon5.addPixmap(QtGui.QPixmap(":/File/resource/File/FILE 005.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off) self.actionOpen_log_File.setIcon(icon5) self.actionOpen_log_File.setObjectName("actionOpen_log_File") self.menuFile.addAction(self.actionOpen_log_File) self.menuFile.addSeparator() self.menuFile.addAction(self.actionExit) self.menuCamera.addAction(self.CheckCam0) self.menuCamera.addAction(self.CheckCam1) self.menuInfo.addAction(self.actionInfo) self.menubar.addAction(self.menuFile.menuAction()) self.menubar.addAction(self.menuCamera.menuAction()) self.menubar.addAction(self.menuInfo.menuAction()) self.retranslateUi(MainWindow) QtCore.QMetaObject.connectSlotsByName(MainWindow) def retranslateUi(self, MainWindow): _translate = QtCore.QCoreApplication.translate MainWindow.setWindowTitle(_translate("MainWindow", "OpenCV")) self.GB_ORIGINAL.setTitle(_translate("MainWindow", "Original")) self.BT_OpenCAM.setText(_translate("MainWindow", "Open CAM")) self.BT_OpenFile.setText(_translate("MainWindow", "Open File")) self.GB_WORK.setTitle(_translate("MainWindow", "Work")) self.pushButton_2.setText(_translate("MainWindow", "PushButton")) self.GB_BOTTOM.setTitle(_translate("MainWindow", "Info")) self.LB_RAM.setText(_translate("MainWindow", "RAM: 1000Mb")) self.LB_CPU.setText(_translate("MainWindow", "CPU: 100%")) self.LB_FREQ.setText(_translate("MainWindow", "1,000GHz")) self.menuFile.setTitle(_translate("MainWindow", "File")) self.menuCamera.setTitle(_translate("MainWindow", "Camera")) self.menuInfo.setTitle(_translate("MainWindow", "Info")) self.actionExit.setText(_translate("MainWindow", "Exit")) self.CheckCam0.setText(_translate("MainWindow", "Select cam 1")) self.CheckCam1.setText(_translate("MainWindow", "select cam 2")) self.actionInfo.setText(_translate("MainWindow", "Info")) self.actionOpen_log_File.setText(_translate("MainWindow", "Open log File"))
• 

  UNSOLVED QPainter::begin: Paint device returned engine == 0, type: 1
  python qt for python • • KIMIA  

  3
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  3
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  30
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  Well without seeing the code you use to create the object you are passing in -- it is hard to see what you might or might not be doing wrong -- better yet supply an MRE (Minimal Reproducible Example) that shows this functioning and produces the same error you are getting when it is run --- then we can help you troubleshoot your bug so much more effectively and quicker to boot
• 

  SOLVED alignment for QCheckBox in QTableWidget
  pyside2 qt for python • • cow_goes_meow  

  12
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  12
  Posts
  118
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  @SGaist said in alignment for QCheckBox in QTableWidget: Why not use the Qt.ItemIsUserCheckable flag to get the checkboxes you want rather than widgets San you are doing ? Widgets set like that will not respond to any role because they are not part of the rendering of the model. I originally went with this and had issues with how I coded it, so I went with the checkbox route. But a clear head does wonders, and I did it this way. Thank you guys.
• 

  SOLVED Custom QStyledItemDelegate and QTableView
  • alom  

  10
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  Votes
  10
  Posts
  101
  Views

  

  interesting, I'll have a play with QRubberBand, Cheers!
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  UNSOLVED how to repaint a QComboBox ?
  • alom  

  3
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  3
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  54
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  Cheers, Yeah I don't think stylesheets will get me where I would like to go. So it tried to subclass a combobox and override the paintEvent. I had a look at the source cpp and ~think i got it... :P seems to work atm, not sure how safe this approach is though. I still need to add the logic to repaint a changed selection: from PySide2 import QtGui, QtCore, QtWidgets class CustomComboDelegate(QtWidgets.QStyledItemDelegate): def __init__(self, parent=None): super(CustomComboDelegate, self).__init__(parent) self.text_default = QtGui.QColor(199, 199, 199) self.text_hover = QtGui.QColor(255, 255, 255) self.cell_default = QtGui.QColor(67, 67, 67) self.cell_hover = QtGui.QColor(43, 43, 43) def paint(self, painter, option, index): painter.save() value = index.data(QtCore.Qt.DisplayRole) painter.fillRect(option.rect, self.cell_default) painter.setPen(self.text_default) painter.drawText(option.rect, QtCore.Qt.AlignCenter | QtCore.Qt.AlignVCenter, value) if option.state & QtWidgets.QStyle.State_MouseOver: painter.fillRect(option.rect, self.cell_hover) painter.setPen(self.text_default) painter.drawText(option.rect, QtCore.Qt.AlignCenter | QtCore.Qt.AlignVCenter, value) painter.restore() class CustomQComboBox(QtWidgets.QComboBox): def __init__(self, parent=None): super(CustomQComboBox, self).__init__(parent) self.__hovered = False def paintEvent(self, event): data = self.itemData(self.currentIndex(), QtCore.Qt.DisplayRole) if data: p = QtWidgets.QStylePainter(self) p.setPen(self.palette().color(QtGui.QPalette.Text)) opt = QtWidgets.QStyleOptionComboBox() self.initStyleOption(opt) p.drawComplexControl(QtWidgets.QStyle.CC_ComboBox, opt) painter = QtGui.QPainter(self) painter.save() pen = QtGui.QPen() pen.setColor(QtGui.QColor(199, 199, 199)) if self.__hovered : painter.fillRect(opt.rect, QtGui.QColor(43, 43, 43)) painter.setPen(QtCore.Qt.yellow) painter.drawText(opt.rect.center(), data) painter.setPen(QtCore.Qt.red) painter.drawText( opt.rect.center().x() + QtGui.QFontMetrics(painter.font()).size(QtCore.Qt.TextSingleLine, data).width(), opt.rect.center().y(), "(+)") else: painter.fillRect(opt.rect, QtGui.QColor(43, 43, 43)) painter.setPen(QtCore.Qt.yellow) painter.drawText(opt.rect.center(), data) painter.setPen(QtCore.Qt.red) painter.restore() else: super(CustomQComboBox, self).paintEvent(event) def mouseMoveEvent(self, event): if self.rect().contains(event.pos()): self.__hovered = True super(CustomQComboBox, self).mouseMoveEvent(event) def leaveEvent(self, event): self.__hovered = False super(CustomQComboBox, self).leaveEvent(event) app = QtWidgets.QApplication([]) combo = CustomQComboBox() combo.setMouseTracking(True) combo.setItemDelegate(CustomComboDelegate(combo)) combo.addItems(['one', 'two', 'three']) combo.show() app.exec_() Is it worth to investigate setting up signals on the combobox to test the hover state and indexChanged or to manage this in the events? This is an area I'm not sure what methodology has the best performance/less maintenance
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  UNSOLVED Multiple choice quiz or exam generator
  • Zinic  

  7
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  7
  Posts
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  Okay while that works for making a MUC (Minimal Useable Code) and testing aspects of the code (a good thing) when presenting it as a full question you kind of need to create the MRE (Minimal Reproducible Example) so that we can better help you solve your problem. Okay I have the GUI Code = Main and the other code an external module you will import into Main I will set that up accordingly and post an example
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  UNSOLVED Using PyQt5 Objects inside QTabWidget and QScrollArea - QGIS Plugin
  • bemlun  

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  @bemlun you should do yourself a major favor and stop using the Qt Designer -- it might seem easier on the surface but under the hood it is a horrible mess and just a major headache to work with -- further you are probably not using it for what it was actually designed for. That being said creating using python-qt as it was meant to be used -- is rather easy once you get used to it -- further what you end up with not only do you understand how it works but you can now easily work with all the elements of the Gui because you fully understand how they inter-relate -- if you need help on this just ask or shoot me a PM and I can get you hooked up with a free classroom like environment
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  SOLVED Losing my (mind) background
  • Mackle  

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  The number of year may or may not be irrelevant, but double checking with the documentation is always a good idea :-)