Pyqt5 setstylesheet background color online. WA_StyledBackground, True) self.

The second style will only style the title object of a QLabel . Mar 12, 2019 · I would like to change the style/appearance of QActions which are displayed in menus of a QMainWindow menuBar (e. Action performed: It changes the background color of the label. setStyleSheet("QListWidget::item { border-bottom: 1px solid red; background-color: blue;}") and to set background color to specific items I used item. Otherwise, this should do the job. 1. ui->frame->setStyleSheet("color:rgb(255,255,255)"); I have tried to change the color of the QFrame by using the setStyleSheet method but no matter which Jun 29, 2010 · Now available on Stack Overflow for Teams! AI features where you work: search, IDE, and chat. _qtimeedit-widget: See QSpinBox. Feb 21, 2022 · I have two widgets. How do I accomplish this? Thanks for any help. I would like to alternate background colors for each loop. QtWidgets import *. QToolBar. QtGui import * from PyQt5. horizontalHeader(). I want only the self. show() app. One way I tried is below. I changed the background color to gray and the label color to yellow, but the color of the boxes was also changed to gray and the text inside of them changed color to yellow. setStyleSheet ( '* { background-color: '+ QColor. State. topMenu = QLabel(self) self. of_esq. NumButtons = 4. How can I set the QtWidgets. Please check your question. In order to set a background image we will use setStyleSheet() method. Sep 8, 2011 · You can add a selector to the style sheet string to target only one class of widget e. setPalette(palette) # add layout and child widgets. Oct 5, 2013 · 8. setStyleSheet("QPushButton { background-color: blue }" "QPushButton:pressed { background-color: red }" ) answered Jan 27, 2014 at 21:53. setStyleSheet ()을 이용하면 어플리케이션 안의 다양한 구성 요소들의 스타일을 자유롭게 꾸밀 수 있습니다. setObjectName ('btn2') After this. Apart from some inconsistencies with your code example setting the background color and text color of a QPushButton works just fine with: setStyleSheet('QPushButton {background-color: #A3C1DA; color: red;}') Example (using PySide): from PySide import QtGui. label. What I want to be able to have is the tooltip to always be white text on black, whatever the button's colour. setStyleSheet("QTableWidget::item {border: 0px; padding: 5px;}") Now the cells have a padding of 5px. setAutoFillBackground(True) palette = widget. name () + ' }') Later in the program, the background color of the widget must be fetched (using . Syntax : setStyleSheet (“background-color: grey;”) Argument : It takes string as an argument. 11. Oct 16, 2013 · I don't think you can mess with the borders or padding without affecting the widget's default size. Learn more Explore Teams Nov 6, 2021 · My source is written in python and using PyQT5 (execute with python3) Now I am facing the difficulties in using QCheckbox where the box colour is follow the background colour of the QCheckbox. You have to do something like. setStyleSheet("background-color: rgba(0, 120, 185, 60)") May 18, 2020 · 1) lbl_normal, 2) lbl_strats, 3) lbl_contains , 4) lbl_ends belong to one group (First) and another 4 Labels belong to another group (second group). lbl_redtext1. Style sheets are applied on top of the current widget style May 15, 2011 · The color and background of the selected item is styled using selection-color and selection-background-color respectively. In qss file use variable names: background-color: @myColor; min-width: @myWidth; 3. 12) and renders everything in a dark theme. setStyleSheet("*:hover { color:#FFF; } *:!hover { color:#aaa; }"); I'm trying to set different text colors for when the mouse is over the menu option and when the mouse isn't over the option. setStyleSheet('background-color: red') This issue happens whenever a stylesheet is applied to a custom widget or to one of its ancestor widgets. QProgressBar { border: 2px solid grey; border-radius: 5px; } QProgressBar::chunk { background-color: #05B8CC; width: 20px; } This leaves the text-align , which we customize by positioning the text in the center of the progress bar. How can i get the default stylesheet colors in python using pyqt. Any help would be great. If you want yellow backgrounds for mandatory fields, red text for potentially destructive push buttons, or fancy check boxes, style sheets are the answer. def __init__(self): Apr 25, 2021 · Based on the QWidget property, we set style sheets like background color, foreground color etc. For example, setStyleSheet(" Oct 12, 2016 · So I used my_list. In order to do this we will use setStyleSheet method. You can set Sep 15, 2017 · I use PyQt5 and python 3. shown: self. setStyleSheet(stylesheet) This does not work, as a single header item does not support Apr 26, 2021 · 1. Table. QColor("#E3E3E3")) The problem is the specif items that I set a different color don't get this color. setStyleSheet("background-color: lightblue;") window. setStyleSheet(str) function: Aug 4, 2019 · I have a table widget. answered Mar 12, 2017 at 16:17. e. label = QLabel("sample") self. setVerticalScrollBar(verticalScrollBar) But the Apr 18, 2018 · You need to call setAutoFillBackground(True) on the widget. By default, a QWidget does not fill its background. myDialog->setStyleSheet("QLineEdit { background-color: yellow }");@. Mar 23, 2021 · After studying various examples in this forum, I tried to change the color of a button when pressed. Jun 10, 2021 · 2. btn2. setStyleSheet (“background-image : url Mar 21, 2014 · QToolButton { background-color: #12313F; background: #12313F; color: #DEE8EC; spacing: 0px; border: none } QToolButton[checked="true"] { background-color: #5B8AA1; background: #5B8AA1; } This is set to be the main stylesheet, this is python but hopefully it gets the idea across (I'm reading the stylesheet as a string from style. Apr 22, 2020 · By default, when we create a button it is of grey color although PyQt5 allows us to change this color. want to change the color where blue arrow is marked. setStyleSheet(""" QToolTip { border: 1px solid #76797C; background-color: rgb(90, 102, 117); color: white; padding: 5px; opacity: 200; } """) This will only take a string, so an external resource would need to be explicitly read from a file, or imported from a module. setStyleSheet('QWidget { background-color: #1d1d1d ; color: #f8f8f8}') And I change ALL of the elements beneath self. The last value is the opacity percentage. Oct 4, 2018 · I am trying to change the background color of a border using python Qt but only the border gets set. class Window(QMainWindow): May 27, 2020 · you need to use setStyleSheet at some point. QTimeEdit. shown = True. setStyleSheet to change the background color of a QWidget used as a window, using Python 3. setStyleSheet("QMainWindow {background-color: #252526; color: #FFFFFF}") If I set another stylesheet for the QPushButton for example in the same manner, the style for the QMainWindow will be overridden. styleSheet () and more simple string Jul 5, 2011 · I did the following to change the background color of the whole app: self. Supports the box model. Sep 4, 2019 · The simplest fix is this: class AlarmWidget(QWidget): def __init__(self, alarm, parent=None): self. setStyleSheet("background-color: rgba(255,255,255, 120);") This code creates a blank bar for everything to rest on. 用PyQt创建桌面程序的第一步是让一个窗口显示在你的桌面上，在这篇文章中，我们将看到如何改变这个窗口的颜色。. I want to change the colors of the QLineEdit to white and the text inside of them to black, but I don't know how to do it. cpp add in the setup of your Mainwindow : QObject::connect (MyButton,SIGNAL (clicked (bool)),this,SLOT (changeColorMyButton)); Your button is now connected to the signal clicked and when you will click on your button, the slot Jun 12, 2012 · self. Jul 9, 2012 · Technically speaking, you're adjusting the selection color of the items within your table widget, so: QTableWidget::item{ selection-background-color: red} should do the trick. setStyleSheet("background-color: rgb(0, 0, 0);") I've tried with same way for the text but it looks like this: msg. Jul 25, 2015 · QMenu contextMenu(tr("Context menu"), this); contextMenu. i want to set the color of vertical header in CSS. tableWidget. I know I can use setStyleSheet() to set styles in Qt. Like: self. None of which gets the exact colour. answered May 18, 2021 at 13:58. QtGui import *. The only way to do so is by using an item delegate, which can be set on the combo Sep 12, 2020 · self. stylesheet = "::section{Background-color:rgb(190,1,1);border-radius:14px;}" Table. The purpose is to highlight the currently selected action when navigating through the menu again. PyQt5 – 如何改变主窗口的背景颜色. Example: from PyQt5 import QtWidgets, QtCore. Jul 13, 2014 · When I apply some background-color on the QPushButton's checked state, the button will be filled with grey dots (over the background color I wanted) when it is checked. There is a page titled "How to change the background color of QWidget" but it just talks about those two methods. Use simple format like this: 2. Example #1: from PyQt5. I need to change the background color of the Label. Jun 8, 2011 · I was wondering whether it's possible to change the color of a PyQt Progressbar? I have the following code: from PyQt4 import QtGui, QtCore Pbar1 = QtGui. 6 I use the QtWidgets. answered Apr 26, 2021 at 22:42. It clearly states that you try to color the header. Setting the margin to 0 did the trick: view. QtWidgets import QApplication, QWidget, QLabel, QMainWindow, QPushButton, QAction. I've managed to colour background to black: msg. Aug 2, 2022 · This cannot be achieved with stylesheets, because the selected item in the popup view is not the same as that of the combo, but only the one selected with the keyboard (or by hovering it with the mouse), and does not correspond to the current index of the combo. addAction(new QAction(tr("Hello"), this)); contextMenu. you should follow these steps : set specific names for your objects : select parent object and add a stylesheet to the parent like this : this is the Stylesheet : QGroupBox#gBox1 { background-color: rgb (138, 226, 52); } first, you should set which kind of class you want like QGroupBox, and for set style, to the specific object you call its The color and background of selected text is styled using selection-color and selection-background-color respectively. 기초 (Basics) 도서 증정 이벤트 !! 10) 스타일 꾸미기. It turns out this is very easy to implement using Qt Style Sheets. Instead of direct values (like red, blue), assign it in a variable and how to use it. QWidget(tabwidget) widget. backgroundRole(), Qt. second, QLabel that has a default text color (e. Mar 26, 2020 · In order to add border to the Label we will use label. Yes, icons need to be used separately. Yes, using a dark palette seems to be the solution. setStyleSheet("color: red;" "border-style: solid;" "border-width: 2px;" "border-color: #FA8072;" "border-radius Aug 11, 2020 · 繼上一篇的色彩篇，我們還想要更高的自由度，在Qt中利用StyleSheet我們可以完成像是HTML中的CSS一樣的效果。在Python中，設定SytleSheet遠比原生Qt更加 Mar 26, 2020 · In order to change the color of the main window we use setStylesheet() method. from PyQt5. So I changed the box colour to white in stylesheet. – Paul Cornelius Commented Jan 16, 2018 at 9:43 May 15, 2011 · Style sheets let you perform all kinds of customizations that are difficult or impossible to perform using QPalette alone. 6. First group have to set same, fore-ground color:Red,font : Caliber,10,Bold and Alignment to Right. Mar 9, 2016 · The cell background color seems to work with the above style, but now the border isn't showing anymore. class Window(QtWidgets. – OnWhenReady. setStyleSheet(""" QWidget { border: 20px solid black; border-radius: 10px; background-color: rgb(255, 255, 255); } """) The dot-selector in your example is redundant. g: self. Mar 21, 2021 · In your code, the :checked and :!checked rules take precedence ("override") over any property declared before, which includes what specified in :disabled. setStyleSheet(stylesheet) That is if you want different horizontal and vertical headers. So the next logical step would be: self. palette() p. By default, a QWidget doesn't fill its background. To apply the style sheet only to the container, and not to its children, the container widget can be named and the style from PyQt5. setGeometry(0, 0, 1920, 60) self. I've tried this to change only one QAction. Feb 6, 2021 · 1. If you like to color the background of the headerView: tableWidget->verticalHeader ()->setStyleSheet ("QHeaderView::section { background-color:blue }"); – OnWhenReady. Syntax : button. But how can I set the color back? I've tried "background:gray" and "background:silver" but it looks different. First, we would use the following application-wide style sheet: *[mandatoryField="true"] { background-color: yellow } Jan 3, 2012 · QColor. You'll ought to set a current index in the model when it changes and then make a check like this: Jun 30, 2020 · The most common suggestions to get the background colour is to use: widget. I tried to change only the color of lineedit by. Sometimes background image is necessary. palette() palette. main_frame. And if I press Alt+F, then the "File" background color changed to light green, and at the same time, the background color of the "Dashboard" becomes rgb (255,255,150) and so on. from PyQt5 import QtCore. I found the solution with the help of the comment of @musicamante above. Feb 15, 2018 · 3. If you just want to colour the background of the tab body, then set the background role of its top-level content widget: widget = QtGui. Dec 12, 2014 · bgColor = pWidget. The color of the placeholder text can be set using the placeholder-text-color property. h you will find : private : QRadioButton MyButton; private slots: void changeColorMyButton (); and in your . From here, you just need to create a label for text, followed by three buttons for closing, minimizing, and full screening the window. Qt Style Sheets or QSS is very much similar to Cascading Style Sheets (CSS) for the web. If I press Alt+D then the "DashBoard" background- color change into the Light green. setAttribute(QtCore. setColor(widget. asked Apr 13, 2014 at 14:56. I answer the question myself. QMainWindow): Oct 29, 2021 · 2. i was able to make it work like this, that way the color button is blue and when is press changes to red. backgroundRole(), QtCore. With the function setStyleSheet("background:red") I am able to set the background. Then I tried to define the scrollbar myself : scrollArea = QScrollArea(self) verticalScrollBar = QScrollBar(qt. _qtoolbar-widget: Jul 24, 2015 · I have a widget, for example a QComboBox. "QFrame {background-color: rgb(255,0,0);}" – Stephen Terry Commented Sep 8, 2011 at 18:04 Apr 15, 2016 · 1. But it's not working. 9 and Qt 5. But there is a stumble here because you don't know whether index is current or not. If you want to use an arbitrary background color, you need to modify the widget's palette instead: p = w. The following code does display a blue button with white text, but it does not change to red when pressed. The first being too dark and the later too white. This element in the top-left part is not part of the QHeaderView but a QAbstractButton so a possible solution is to apply the stylesheet directly to the button: button = self. Second group have to set same, fore-ground colour:Green,font:system default and Alignment to Left. The rule specifies that QPushButton and its subclasses (e. To set the background-color is fine, but my interface has a Qwidget that changes its background-color at certain point. styleSheet()) Unlike other properties for which Qt ignores the new value if it's identical to the current, every call to setStyleSheet() causes the whole widget (and its children) to repolish them, even if the style sheet is empty. 为了改变主窗口的颜色，我们使用setStylesheet（）方法。. Apr 13, 2014 · The dlg has always same color as its parent widget. lnchTab. So I'm making an application using pyqt5 and what I'm trying to do is make a qpushbutton of a custom style sheet that changes color when your mouse hovers over it. setStyleSheet (“background-color : yellow”) Argument : It takes string as argument. exec_() 上述代码中，setStyleSheet()方法的参数是一个字符串，用于设置样式表。 For example, we change the border to grey and the chunk to cerulean. PyQt stylesheet. I'm fairly new to learning python/pyqt5. . QGraphicsView only to determine mouse position data and I want to paint in the background. Apr 4, 2014 at 22:50. "{". color(QPalette. setStyleSheet(my_stylesheet) scrollArea. QApplication([]) self. But when I use setStyleSheet() twice, the first styles are lost, which are set by first use of setStyleSheet(). ui. setBackground(QtGui. You can either use a QFrame instead or setting the WA_StyledBackground attribute of the QWidget to True as said here : PySide: QWidget does not draw background color. This is the code: from PyQt5. Mar 24, 2016 · self. 8. setStyleSheet(my_stylesheet()) return """. For example, QSS supports the box model but doesn’t support the flexbox and grid layouts. One solution would be using this: #MainWindow{ background-color: #334422; } #first_label{ background-color: #334422; } #second_label{ background-color: #334422; } But it is not scalable, what if I want to change that color again? PyQt5 Tutorial - 파이썬으로 만…. I'm using PyQt5 and Python3. I assigned a StyleSheet for a QGroupBox when its activated. Qt Style Sheet is generally case insensitive (i. The selection behavior is controlled by the show-decoration-selected property. Even better, use combined selectors: QPushButton:disabled {. Apr 4, 2014 at 22:57. , MyPushButton) should use red as their foreground color. I'm reading an external stylesheet, using this code: app. css): 42. Aug 2, 2016 · In your . May 29, 2014 · As it IGHOR said you can use data() method in your model and provide a color when role is Qt::BackgroundColor. import sys. You can use css stylesheets with PyQt. The following table lists the Qt widgets that can be customized using style sheets: Widget. qt. Jan 19, 2017 · 0. QHeaderView::section{background-color:rgb(120,120,120);color: white;} but i get this Jan 16, 2018 · This is because, by default, the QPushButton draws a native border which completely overlaps the background-color. any of this didin't work. 5. I can't seem to call it correctly. first, a QLineEdit that has a stylesheet (assume not accessible or changeable) that sets the color of the text to some color (e. Dec 22, 2020 · While it might seem that the concepts of "standard" css can be applied to Qt StyleSheets (QSS), that is only true for the basic aspects of syntax and inheritance: QSS only implements some of the CSS 2. name () which returns something like '#00ff00' which would then undergo simple string manipulation to be set as a style sheet for a widget. eg: QWidget. I tried the code . How to Style. WA_StyledBackground, True) self. I'm trying to apply a custom color to several parts of a Qt GUI, using Qt designer and the main stylesheet. , black) Sep 4, 2019 · 4. Jun 21, 2020 · 1. Warning: Function setStyleSheet is particularly useful for demonstration purposes, where you want to show Qt's styling capabilities. I have message response as you see on the above. QLabel#label_1{color:red;background-color:blue;} """. Also I tried. . setColor(w. QToolButton { background: red; } But I need to change some QAction background to red and some to green. You can set object names with the setObjectName (str) function to any Qt object, for example: for a label = QLabel (“Test”), you can write label. horizontalHeaderItem(0). QAbstractScrollArea. setStyleSheet("QGroupBox { background-color: rgb(0,255,0,20%); border:1px solid rgb(255, 170, 255); }") I need to have it set to defaults when this particular QGroupBox is disabled or deactivated. I have tried using Palette and I am having no success. Use the ::item subcontrol for more fine grained control over the items in the QListView. Foreground) # Convert the QColors to a string hex for use in the Stylesheet. setStyleSheet(self. To set the style sheets for a widget, you call its setStyleSheet() method with a style Sep 1, 2017 · 0. name() if pItem == 'Text': # Use the color dialog with a dummy widget to obtain a new QColor for the parameter we are changing. qApp->setStyleSheet("QLineEdit { background-color: yellow }");@. color: gray; QPushButton:disabled:checked {. 1 specification, and does not allow layout management (except for borders, margins and padding within the specific widget), which is exclusive responsibility of Qt. findChild(QAbstractButton) button. QtCore im A qss file is quite similar to a CSS file, but you need to specify the Widget component and optionally the name of the object: QLabel{background-color:red;}QLabel#title {font-size:20px;} The first style defines a background-color for all QLabel objects in your application, whereas the later one styles the title object only. I'm starting a new project from scratch and trying to put a few pieces together. What it does is specify that only instances of QWidget itself will be selected, as opposed to sub-classes of QWidget . Background) fgColor = pWidget. Note. J. 2. setStyleSheet (“background-color: cyan”) Argument : It takes string as argument. red) widget. Syntax : label. setParent(Frame1) Pb Sep 8, 2015 · QAction doesn't have any stylesheets, so I am trying to use QToolBar stylesheet to change QAction background color. Background) # alternatively with QtGui. read()) So far my qss file contains this: background-color: blue; font: 57 13pt "Futura"; I read about setting the objectName property to the tag after the To indicate to the user that the field is mandatory, one effective (albeit esthetically dubious) solution is to use yellow as the background color for those fields. setStyleSheet(fh. Code Mar 13, 2018 · this->setStyleSheet("background-color: grey;"); I have tried multiple ways to set the color of the QFrame, however it takes on the default grey color that I have set. 9. name() fg = fgColor. For more information, see the documentation for the setAutoFillBackground property. setStyleSheet("QPushButton::hover". Alternatively: QTableWidget::item{ background-color: blue } QTableWidget::item:selected{ background-color: red } edited Jul 9, 2012 at 22:30. , color, Color, COLOR, and cOloR refer to the same property). I tried various suggestions I found online, but what ended up working was changing the object name of the QWidget, referring afterwards to that name as an ID in the stylesheet. Real applications should avoid it and use one consistent GUI style instead. I searched it up and found that in python the following code works to change the hovering settings: button. If you're setting the stylesheet directly on the of_esq widget, you could just do (assuming it has no child QGroupBoxes. setStyleSheet("background-color:blue;") This answer of pButton->setStyleSheet("background-color: rgb(255,255,0);"); then Qt throws up its hands and draws an afwul-looking blocky button. red) Using Style Sheet. 语法： setStyleSheet (“background-color: gray;”) 参数 Nov 29, 2015 · Now, if you want there to still be some background color, apply a QFrame to your window, and place all child objects within it. setObjectName (“title”) Once you have a qss file for May 15, 2011 · In the above style rule, QPushButton is the selector and {color: red} is the declaration. Base. Jun 1, 2017 · 1. color: yellow; } """) In general, always look at the terminal/prompt/logger. Please advise. All derivatives of QAbstractScrollArea, including QTextEdit, and QAbstractItemView (all item view classes), support scrollable backgrounds using background-attachment. QPalette. Then, I extracted all the colors from the palette, and set them, so that I can also use them on Windows. The method call setStyleSheet() gives you the freedom to style the different components in your application. Mar 12, 2017 · OK, that's how it works: I firstly have to set the name of the object I want to reference in the stylesheet. set_facecolor("none") self. Vertical, scrollArea) verticalScrollBar. QProgressBar() Pbar1. , red). change the background color). Here is a tiny test program (with qtcreator but it can also be done with coding): 1, create an qt application 2, drag in a QPushButton, set it to flat and checkable 3, add these Dec 16, 2015 · 3. color(QtGui. However, QSS supports only a limited number of rules in comparison with CSS. A. QtWidgets import * from PyQt5. pelos. self. As method argument you can specify plain css code, like so: lbl_red. In your case, your code shows the following, which is a clear symptom of wrong syntax: StdErr: Could not parse stylesheet of object 0x9ce3a08. the url needs fixing: no quotes nor 'r'; simply the file name (maybe the space in the file name needs escaping, you could try to play with it) This, for instance, works: import sys. See QAbsractScrollArea to style scrollable backgrounds. QtWidgets import QApplication, QWidget 接下来，我们创建一个QWidget对象，并设置其背景颜色为浅蓝色： app = QApplication([]) window = QWidget() window. you should use setObjectName on each label (e. lnchTab to be dark grey, and not the text, inputs, and buttons within it. bg = bgColor. Programatically, I'm organizing some information in horizontal layouts and displaying them in a frame. The first style defines a background-color for all QLabel objects in your application, whereas the later one styles the title object only. Feb 8, 2019 · Then I tried applying the exact same stylesheet directly on the QScrollArea instance, with no success. btn_text = QString("this font color") btn = QPushButton(btn_text) btn. May 18, 2021 · QPushButton:hover {. You can set min-width though. styles="QPushButton#btn2 { background-color: red }" worked OK. fig. From the docs: If this property is not specified, the minimum width is derived based on the widget's contents and the style. use/try setProperty method. setObjectName ("red") ), that will set a name or id (css) to the label then customize them according to their label, here is how it will look like: and do Dec 18, 2013 · How do I get the background color of this button to change. Something like this should work. setStyleSheet("text-color: rgb(255, 255, 255);") My only purpose is texts are white and background is black Here is my part of code: Jan 2, 2021 · if not self. 2, PyQt 5. Jan 6, 2015 · As a visual explanation, I can set both the label and the button background color, but not the entire layout, which includes the spacer. What I did: I used my macOS, changed it to dark theme, Qt recognises this (5. topMenu. Open both files and for each variable in definition file change its occurrence in qss file with the value (string) from the definition file. This code below will certainly crash ,after running a little while. However, when the box is in white, the tick is unable to see which I believe the tick becomes white May 6, 2021 · 3. 03. Oct 2, 2016 · widget. palette(). It works for every QActions in QToolBar. Create a text file with definitions of variables. Qt. You should check Qt Sylesheet Reference. g. setStyleSheet(stylesheet) This works, however it colors all headers simultaneously without me being able to change the color of an individual header. Whether this works on not also depends on the style and system you are using. Jun 6, 2021 · How to assign the values for CSS through variable and the use same in PyQt5 stylesheet ? self. Jan 25, 2021 · There are two problems: there is a typo in the second line, as you added a ;} at the end of the background, which makes the stylesheet invalid;; using the "*" universal selector (which is almost the same as using QWidget) means that all widgets will use the properties declared for it, and since you're probably setting the stylesheet on a QMainWindow (which inherits from QWidget), the image List of Stylable Widgets. QGraphicsView transparent? Jul 13, 2020 · ui->comboBox->setStyleSheet("QListView::item:selected {background:red}"); Why do you use QListView here? The link states: The pop-up of the QComboBox is a QAbstractItemView and is styled using the descendant selector: QComboBox QAbstractItemView { border: 2px solid darkgray; selection-background-color: lightgray; } Mar 6, 2023 · The first style will define our background-color for all the QPushButton objects in the application. app = QtGui. setStyleSheet("background-color: lightblue") To avoid the use of findChild it can be set via QTableWidget: stylesheet Jun 13, 2017 · @Qt-Enthusiast setStyleSheet is basically expecting a string, and you try to give him a QColor container, that won't work. musicamante. I spent some time struggling to use . setStyleSheet('#of_esq {color: green;}') Nov 14, 2017 · In case you do not want to change the figure's background color (I can't think of any reason right now, but maybe there is one use case), you would need to make the figure background transparent, such that the canvas background color can shine through, self. Using your style sheet, set the color of the frame and your desired opacity like this. Dec 28, 2015 · When the text on the button is white, then it's all fine, but if the text on the button is black, then the tooltip is black text on a black background. setStyleSheet() method, this will add the background color to the label, it is same like designing the CSS style sheet. "background-color : lightgreen;" Jan 15, 2018 · 1. widget. setStyleSheet('QGroupBox {color: green;}') You could also set the stylesheet on of_esq 's parent and reference the widget by name using the css id selector ( #) self. To include a QSS file to your application, you can apply it by reading the file and using the QApplication. Below is the difference in default button and colored button. lnchTab to be darkish grey. That will cause the program to crash, and the crash stops when I comment out the color changing code. I would like the color to be red. The button is normally blue, and when it is pressed I want it to turn red. Mar 26, 2020 · In this article, we will see how to add background image to a label, By default, when we create a label there is no background image although we can set background color to it. setObjectName("label_1") self. And something strange is happening, if I add an ; affter the first } then the color is working and the border is not set, if I remove the ; then the color is not working and the border is set. NumGridRows = 10. The solution is simple: move the :disabled block at the end. lh ch rc ii tf xi ul qa ae jg