setColor(QtGui. So I'm having an issue with stylesheets in PyQt5. font = QtGui. left, top-left, menubar, top-right, right, bottom-right, bottom and bottom left) With the approach (1) you would know when you are clicking in each border, you just got to define each one size and add each one on their place. What you could try to do is to manually set the style for the existing children: Detailed Description. QApplication([]) app. Properties I tried changing: Apr 22, 2020 · Below is the representation of normal indicator vs the colored indicator. It can be subclassed to tailor the look and feel. The Style Sheet Feb 8, 2019 · scrollArea = QScrollArea(self) verticalScrollBar = QScrollBar(qt. Reload to refresh your session. setStyleSheet(stylesheet) This does not work, as a single header item does not support Apr 16, 2018 · I have a String array which contains correctly spelled words and misspelled words. qss") Feb 6, 2015 · I am using a dark and gray theme, and on windows the menu bar is white, and I would like it to be dark like the rest of the app. QApplication(args) Apr 2, 2020 · In order to change the font and the size we will use setFont method which take QFont object as argument and font and size will be changes. It tells Qt to apply the stylesheet on the grand-children of any QTabWidget in your Sep 20, 2021 · pyqt changing the color of a button when pressed using a stylesheet. I tried doing something like this: self. connect(self. setFont used in syntax like this does not have any visible effect on font size used in headers. 5. ui'. Feb 6, 2021 · 1. Dec 21, 2015 · As written in documentation the size of the toolbutton can be adjusted by setIconSize. "{". py -stylesheet style. And headers horizontal sizes are set. As you might already know, while Python is pretty fast on nowadays computers, it's not that fast , so using a binding is a very good compromise: it allows the simple syntax Python provides, and gives all speed provided by C++ compiled libraries under the hood. May 31, 2023 · 1. Clone the repository and then compile it by executing the following commands (in the case of windows you must change make to nmake): These commands will generate the binaries (. setText("Message box pop up window") msgBox. shown = True. Now I would like to customize the headers font size. The current code which works at launch but not later is as follows: palette = QtGui. 4. QtCore import QSize. Second, based on documentation from three sources ( PySide, ZetCode, and Nullege ), I tried to change my QLabel style to 'Cleanlooks': QtGui. I am using PyQt5 Designer and here is the style sheet for the slider. Currently, I'm using this: dl_btt. Below is how normal border vs styled border looks like. First group have to set same, fore-ground color:Red,font : Caliber,10,Bold and Alignment to Right. So it’s possible to maintain the same look and feel on all targeted platforms. # Form implementation generated from reading ui file 'app. Style sheets let you change how various widget characteristics, pseudostates, and subcontrols appear. The only way to do so is by using an item delegate, which can be set on the combo Sep 12, 2018 · I would like to change the colors of the buttons if the user chooses a particular theme. setFont(0, font) But . addLegend(brush=pg. In order to do this we will use setStyleSheet method. QPushButton is a simple button in PyQt, when clicked by a user some associated action gets performed. _detailsbutton. How to change style in Mar 9, 2016 · The cell background color seems to work with the above style, but now the border isn't showing anymore. Learning to do so efficiently and effectively is a fundamental skill for you to get up and running with GUI application PySide2. First, we would use the following application-wide style sheet: *[mandatoryField="true"] { background-color: yellow } PyQt’s layout managers provide a user-friendly and productive way of arranging graphical components, or widgets, on a GUI. Jan 15, 2018 · Simple Use. Aug 18, 2020 · Install Qt, the same version with which pyqt5 was compiled: python -c "from PyQt5. setStyleSheet("QPushButton::hover". What i am wondering however, is there a site with all the possible colors i could use for a style? – Nov 24, 2022 · Window with a single button, with the text Hello! Click to change the text. Vertical, scrollArea) verticalScrollBar. In order to do this we have to add the background color to the indicator of the check box which can be done using style sheet of indicator below is the style sheet code which can be used with the check box object. findChild(QWidget, tabname) and get its index like this: index = tabwidget. I want to set padding for QToolBar Items. To use it in PyQt5, simply add the following lines to a project: import sys. Dock windows can be moved inside their current area, moved into new areas and floated (e. The old Qt4 calls like: app = QApplication(sys. QPalette. background-color: yellow; Jun 7, 2015 · You could use stylesheets in order to change the color of the checkbox or any othe widget as you wish. this is my code: from PyQt5. The concepts, terminology, and syntax of Qt Style Sheets are heavily inspired by HTML Cascading Style Sheets (CSS) but adapted to the world of widgets. How do I change the background color of QMenu or QMenuBar colors In PyQt4. QPushButton#pushButton {. 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. FramelessWindowHint) w. style = QStyleFactory. QLabel): label Jun 2, 2020 · How can I make it always look like in the "fusion" style? I mean like set it as the standard design. 1. I have successfully defined a classes MainWindow(QMainWindow) and DefaultWidget(QWidget), with the latter containing two push buttons, which I am trying to stylize. I have been able to change the drop downs, but the top bar with File | Tools | Help stays white. In this case, the methods are setIcon() and icon(). QtGui import * class MainWindow(QMainWindow): QTabBar is straightforward to use; it draws the tabs using one of the predefined shapes , and emits a signal when a tab is selected. Add the top two lines to the __init__ method. horizontalHeaderItem(0). It turns out this is very easy to implement using Qt Style Sheets. Then you don't need to complicate things: use the pressed and released signals, and just use proper pseudo-states in stylesheets instead of continuously change them, specifically QPushButton:pressed { } to specify the image shown when the button is down. QtCore as qtc. g. When using stylesheets, styles are Oct 12, 2016 · You can't use a combination of stylesheets and style settings on a widget — the stylesheet will override any settings on individual items. 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. textChanged. Below is the full code: UI Code: # -*- coding: utf-8 -*-. Dock windows are secondary windows placed in the dock widget area around the central widget in a QMainWindow . setIcon(QMessageBox. There are two approaches to creating a custom style. NumGridRows = 10. Jan 16, 2022 · 2. It is optimized to handle large documents and to respond quickly to user input. Sep 11, 2020 · So I added below line of code: msgBox. import PyQt5. In the previous tutorial we covered an introduction to the Model View architecture. QtGui import QIcon. init (this); QPainter p (this); style ()->drawPrimitive (QStyle::PE_Widget, &opt, &p The frame width is determined by the frame style, and the frameWidth() function is used to obtain the value defined for the style used. qss This opens up the possibility of a tempting hack, since it is easy enough to manipulate the args passed to the QApplication constructor, and explicitly insert a default stylesheet: import sys args = list(sys. app = QApplication(sys. bw = 10 # buttonWidth. model() for row in range(10): item = QStandardItem(str(row)) item. So, in order to have the pressed state take precedence, simply move it below the hover state. setStyleSheet(stylesheet) The chevrons allows to refer to the child of a widget. I searched it up and found that in python the following code works to change the hovering settings: button. Sep 4, 2019 · 3. item(1,0). Qt stylesheets make it possible to customize the look of Qt applications without having to master the magic behind Qt styles. How to set different heights for pages( add-page,sub-page Dec 29, 2016 · 7. QtCore import QFile, QTextStream. Code: 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. The navigation bar has a hardcoded object name ( qt_calendar_navigationbar ), so you can use the #id selector. Decreasing saturation makes it look ”washed”, making the color darker (or grayer) makes it look disabled. PM_TabBarTabHSpace = 5 # 5 pixels? app. Its column headers are given names. 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. QSize(int, int)) If that's not working try to set the iconSize according to the toolbuttons size. A sample of the theme is here. The month selection popup is actually a QMenu, so you need to use the appropriate selector. Syntax : bar. Using StyleSheet, you could do something like this: stylesheet = """. Topics: Overview. The following stylesheet will set a gray 3px border to the checkbox rectangle. pyqt. connect(msgButtonClick) for label in msgBox. Jul 25, 2013 · I can change the background color of a QLineEdit widget in PyQt4 by doing this: myEditField. headerItem(). Subclass QStyledItemDelegate. 3. setCursorMoveStyle (style) ¶ Parameters: style – CursorMoveStyle. QCheckBox::indicator { border: 3px solid #5A5A5A; background: none; } In order to set the stylesheet you could either use the Qt Designer or the setStylesheet function. setBackground(QtGui. setStyleSheet(self. Each tab has a tabText() , an optional tabIcon() , an optional tabToolTip() , optional tabWhatsThis() and optional Apr 22, 2021 · 3. Dec 16, 2015 · How can i get the default stylesheet colors in python using pyqt . I need to change styles depending on the actions taking place in the program. So the next logical step would be: self. I'd need to track wherever Qt automatically calls restoreOverrideCursor(), because that effectively undoes my own changes. Text, {your QColor}), and the font use QFont. State. In this example, the legend will be made with a white, somewhat transparent background. You can set the button's icon at run time with the Mar 26, 2020 · In this article we will see how to change the text style or size of Push Button. From lighter tweaks to the quite complex, stylesheets can do the job. validate) though you could change them back use element. 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. By default, QComboBox uses a QStandardItemModel, so the QStandardItem methods can be used to change the various display properties: combo = QComboBox() model = combo. I changed the connect methods to line. A combobox may be editable, allowing the user to modify each item in the list. wordlist = ['corre Dec 28, 2015 · The app has a number of buttons, which change background and text colour depending on what the status of the button is. QtWidgets. You should set a class property (etc tableview's currentindex) which can be reset value from outside the class, by this, the delegate's default loop will compare the tableview's currentindex. In your project folder add a basic CSS file mystylesheet. indexOf(page) or set the current tab directly by name like this: tabwidget Sep 15, 2012 · Change qt scrollbar style to match default qml scrollbar. Note. In the static approach, you either choose an existing QStyle class, subclass it, and reimplement virtual functions to provide the custom behavior, or you create an entire QStyle class from scratch. Base, QtGui. But I suspect that your continuing difficulties on this subject stem from a failure to understand what the various color roles do - in particular, Background and Foreground (which are both obsolete) aren't used in the way that you think they are (you . You switched accounts on another tab or window. QPalette() palette. Apr 22, 2020 · When button get releases it comes back to its original color, by default when button get clicked it becomes light blue color although we can change this color. argv) args[1:1] = ['-stylesheet', 'style. , undocked) by the end-user. 0. Sep 3, 2020 · So they just add an icon to the label of the button, which results in the behaviour you describe. Mar 21, 2014 · I'm trying to change the style of my QLabel using a dynamic property since we can target this property in QSS like this: QLabel[foo = "warning"]{ color: red; } QLabel[foo = "success"]{ color: green; } the stye of my label does update when I use the QApplication::setStyleSheet() but does not seems to work when I change the value of the property. Code : May 15, 2019 · I would have to track manually to which role the mouse pointer should change, call setOverrideCursor() each time and feed it with the proper QCursor(). Second approach HTML Cascading Style Sheets (CSS) was a model for the syntax used in Qt Style Sheets. Syntax : bu It turns out this is very easy to implement using Qt Style Sheets. QCheckBox::indicator. Jul 23, 2020 · If you want to change the minimum width of the QLabels then you can use setMinimumWidth(): def showDialog(): msgBox = QMessageBox() msgBox. css. Let's say you have a button and you want your cursor to change to the 'PointingHandCursor' when you hover over the button. Action performed : It sets the border style. my_splitter. setStyleSheet('QSplitter::handle {background: blue; })) Thanks @musicamante for pointing out the pseudo selector. 5, Qt style sheets are fully supported across all platforms. Window, QtGui. I am trying to write a CSS style sheet for toy PyQt5 application. tableWidget. Using the C++ docs, I've been trying to take advantage of the QPushButton#evilButton example, provided in: Link. setObjectName('rel-0') self. setStyleSheet("background-color: lightblue") To avoid the use of findChild it can be set via QTableWidget: stylesheet Jul 23, 2020 · If you want to change the minimum width of the QLabels then you can use setMinimumWidth(): def showDialog(): msgBox = QMessageBox() msgBox. I would like to understand how to change the style of the entire application. Please provide a minimal, reproducible example. setStyleSheet(stylesheet) This works, however it colors all headers simultaneously without me being able to change the color of an individual header. QMenu {. Oct 18, 2016 · 1) Probably that's the default QT placement, in the first image the platform style is used, and its take care of borders and title placement, when you change the stylesheet you override something and you get the ugly placement. Applying style sheets in pyqt. Use QStyledItemDelegate. Im trying to make a custom scrollbar for my QListWidget, and it works fine in the QtEditor, but doesn't work when running the actual code or when previewing in the Designer. setWindowTitle("QMessageBox Example") msgBox. Mar 26, 2020 · But we change the style, thickness as well as color of the main window by using setStyleSheet() method. dll 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. You signed out in another tab or window. May 10, 2020 · In this article we will see how we can change the border style of the combo box, border style can be dotted, dashed etc. horizontalHeader(). Jun 6, 2016 · I want to change a Button's background color and text color without changing/resetting the whole style. setStyleSheet (“border : 3px dashed blue;”) Argument: It takes string as argument. QApplication. CSS, and QSS (Qt Stylesheet), depends on the order of declarations. setPointSize(8) tree. mkBrush(255, 255, 255, 100)) where the first three values are your RGB color code and the last number is the alpha value that determines how transparent the background will be. background-color : lightgreen; Nov 21, 2017 · QLineEdit change border color without changing border style. Qt. from PyQt5. QApplication([]) With that solution, we are setting the background on an already existing item in the table to a light grey on the item at row 0, column 1: self. import breeze_resources. QColor(3, 18, 14)) palette. For a fully customized and unique user experience, QtQuick and QGraphicsView are a better choice. self. Aug 23, 2017 · When the tab is added, the page will be automatically re-parented to the internal stack-widget of the tab-widget. Jan 23, 2022 · 1. By default, when we create a button it is of grey color although PyQt5 allows us to change this color. QSS language opens endless opportunities to style your application. 42. Jan 2, 2021 · if not self. "background-color : lightgreen;" Jan 25, 2022 · Since PyQt 4. A QComboBox provides a means of presenting a list of options to the user in a way that takes up the minimum amount of screen space. In order to change pressed button color we have to change the style sheet of pressed button, below is the style sheet code which is used with push button object. 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. You can do it with your_button. Mar 24, 2016 · self. border : 2px black; PyQt 如何在PyQt5中更改样式 在本文中，我们将介绍如何在PyQt5中更改样式。 PyQt是一个用于创建图形用户界面（GUI）的库，它是基于Qt框架的Python绑定。 PyQt提供了丰富的功能和灵活的界面定制选项，其中之一就是可以轻松地更改样式。 Sep 2, 2011 · Appreciate jecjackal for it! As it is said in the Qt's stylesheets reference, applying CSS styles to custom widgets inherited from QWidget requires reimplementing paintEvent () in that way: void CustomWidget::paintEvent (QPaintEvent *) { QStyleOption opt; opt. For example, the following code uses setBackground on each item to change the background colour. 2) You can control the "title" position using the QGroupBox:title controls, for example: Jul 3, 2013 · I think the stylesheet in the following example should do what you want: @ from PyQt4. First, we would use the following application-wide style sheet: *[mandatoryField="true"] { background-color: yellow } This means that every widget whose mandatoryField Qt property is set to true would have a yellow background. In fact, nothing I enter has changed a Introduction. Pressing the left arrow key will always cause the cursor to move left, regardless of May 30, 2017 · Here are some tips: Option 1: Have a QGridLayout with widget in each corner and side (e. For example: QLineEdit, QFileDialog. The tooltip text colour always seems to follow the colour of the button text. QComboBox. QTextEdit is an advanced WYSIWYG viewer/editor supporting rich text formatting using HTML-style tags, or Markdown format. setStyleSheet("background-color: green; color: white") But that changes the whole style of the button: Since the default style looks like this: I would like to have something like this: Oct 30, 2012 · I am writing a Qt5 application by using PyQt. . if I use the setStyleSheet method in order to change the style for a specific widget, the other ones placed inside it, changes their style, but I don't want it! I can bring you two example: when I change the border/background color for a frame (see the widgets placed inside it): import PyQt5. The text is either white or black. setStyleSheet (“background-color : yellow”) Feb 6, 2022 · Solved! Two ways to changed QTableView Row background color when user mouse clicking. buttonClicked. The margin between the frame and the contents of the frame can be customized with the setContentsMargins() function. QLabel): label Jun 14, 2018 · I have a QTableWidget and when it has focus I want to change the stylesheet so that it's border "highlights". setWindowFlags(QtCore. QMainWindow() w. Jun 10, 2021 · 2. I need a function to change the row You signed in with another tab or window. Also note that if you want to color QSplitter handles, you must set the stylesheet to QSplitter and use the ::handle pseudo selector (for example, self. Jul 7, 2019 · I found that we can use the brush argument: plotWidget. You can change the background color, font size, color, border type, width, or style and add padding to widgets, among other things. May 15, 2011 · Style sheets let you perform all kinds of customizations that are difficult or impossible to perform using QPalette alone. argv) file = QFile(":/dark. Apr 26, 2016 · Well, I’d expect the rules to change between themes, but setting custom styles explicitly overrides the defaults from the theme, so you should figure out the disabled style you want too, for your case. QColor(125,125,125)) It's working, but set background for the row with iterating needs more time if you have more then one table. setCursor(QCursor(QtCore. findChild(QAbstractButton) button. setIconSize(QtCore. Mutli-language editors like Atom are best for this type of things. 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 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). {. QTextEdit works on paragraphs and characters. In this tutorial we'll learn how to use QTableView in PyQt, including how to model our data, format values for display, and add conditional formatting. QtCore import QT_VERSION_STR; print ('Qt version', QT_VERSION_STR)". I tried using stylesheets to change the tabbar padding, but that ruins the graphics drawing, so that none of the default look-feel stuff gets drawn (I don't want to Dec 12, 2014 · I'm curious to know why you spent all that time on this answer, when you'd already been given a one-line solution to your original question. Syntax : button. show() Oct 2, 2016 · python myapp. A combobox is a selection widget that displays the current item, and can pop up a list of selectable items. NumButtons = 4. All the gory details are here. PointingHandCursor)). Jun 8, 2011 · My question was a little but unnecessairy I just had the 'crazy' idea that I could just change the way you filled in the styles. QTreeWidget is created. I assigned a StyleSheet for a QGroupBox when its activated . I want to set all those words to a qtextbrowser and I want to make misspelled words red color. 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. In this example, when you click the button, its text alternate between Hello! and Hello, World!. table. Below is the implementation. In order to do this we have to change the style sheet associated with the combo box, below is the stylesheet code. Information) msgBox. QStyleFactory. Mar 10, 2019 · You could try something like this but I'm not sure how much faster it will be. A paragraph is a formatted string which is word-wrapped to fit into the width of the widget. QSlider::groove:horizontal {height: 10px; margin: 0 0;} QSlider::handle:horizontal {background-color: black; border: 1px; height: Mar 10, 2021 · 1. For adding this button into the application, QPushButton class is used. When this property is set to VisualMoveStyle, the line edit will use visual movement style. You can set Feb 10, 2021 · mvc QTableView modelview excel numpy pandas qt pyqt pyqt6 data-science python qt6 pyqt6-data-science. Aug 16, 2020 · PyQt is a binding: it is an interface to the actual Qt library, which is written in C++. Syntax : self. from PyQt4 import QtCore. app = QtGui. QTabBar::tab:selected {background: gray;} QTabWidget>QWidget>QWidget{background: gray;} """. It would be a constant battle against Qt. background: orange; } QMenu::item:selected {. QtWidgets import QApplication. You can create a custom look and feel for your application by creating a custom style. QFont() font. setObjectName('rel-1') self. Later declarations with the same specificity will overwrite previous declarations. setPointSize(10) item. setProperty in the validate funciton. setFont(defaultfont) msgBox. QtGui as qtg. This table shows some of the combinations of styles and line widths: Jun 9, 2014 · This revealed many available styles, including 'Cleanlooks'. So, what's happening is that you're setting the style on the QMainWindow only, while the children will always use the QApplication style. so for Linux, . setStyle(QtGui. class MainWindow(QMainWindow): def __init__(self): Apr 22, 2020 · In this article we will see how to change the color of button. from sys import argv. PyQt style QComboBox drop down border color. QLineEdit. setObjectName('rel-2') Having previously Oct 17, 2017 · I have found plenty of examples of changing the handle width in the style sheet, but the changes are not being reflected when I run the code. background: yellow; border-radius: 2px; QDockWidget provides the concept of dock widgets, also know as tool palettes or utility windows. setForeground(QColor('red')) font = item. reliability. Python : How to make QGroupBox borderless. 19 How to programmatically change style sheet of buttons in Qt? 0 For anyone who wants to achieve this in PyQt5, this is how I managed to do it. Table. My Solution: from PyQt4 import QtGui. setStyle(QStyleF Qt Style Sheets are a powerful mechanism that allows you to customize the appearance of widgets, in addition to what is already possible by subclassing QStyle . setStyleSheet("QLineEdit { background-color : green;}") Changing the border color requires me to do something like this: myEditField. Heres the stylesheet: QTableWidget{. setStyleSheet('QMainWindow{background-color: darkgray;border: 1px solid black;}') w = QtGui. create('Cleanlooks')) Unfortunately, this changed nothing. Below is the difference in default button and colored button. setStyleSheet("QLineEdit { border : 2px solid green;}") This however is undesirable because it also changes the default Apr 22, 2020 · In this article we will see how to change the text style or size of Push Button. So i just edited the colors it should use and change the chunk margin to 0px so a solid fill is aquired. How can I change the color to while. QtCore import * from PyQt4. Example: from PySide import QtGui, QtCore. setFont(font) Feb 12, 2015 · You can however, set the widget frameless and add borders for yourself. Action performed : This will change the font and size of the text. 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. In summary, something like this will do as the QCheckBox's stylesheet: QCheckBox::indicator:unchecked {. This property holds the movement style of cursor in this line edit. I use setStyleSheet metod to do this. An analogue of JS on an HTML page, where you can add, remove classes from CSS, only in PyQt. Syntax : bu Jan 19, 2017 · 4. QColor(15, 15, 15)) Oct 28, 2020 · Setting a widget's style has no effect on existing or future child widgets. The syntax highlighting works properly if you keep it named a CSS file. QPushButton also has methods to manipulate the icon of a given button. border-radius: 10px; background-color: transparent. shown: self. argv) app. font() font. If you want yellow backgrounds for mandatory fields, red text for potentially destructive push buttons, or fancy check boxes, style sheets are the answer. In the name of cleanliness I'm trying to find the best way to ONLY change the border color Jul 7, 2019 · I found that we can use the brush argument: plotWidget. Second group have to set same, fore-ground colour:Green,font:system default and Alignment to Left. This means you can get a reference to the page like this: page = tabwidget. ui. QPushButton::clicked. findChildren(QtWidgets. I can do this simply by subclassing the widget's focusInEvent however if I call setStyleSheet() it overrides all styling that I did before. QtWidgets import QApplication, QMainWindow, QAction, QToolBar. In order to set font we will use setFont method which takes QFont object as argument. setStyleSheet(my_stylesheet) scrollArea. create('Cleanlooks') style. setStyle(style) This code runs, but it doesn't change the padding on the tabbar tabs. Qt also provides a ready-made QTabWidget . 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. Jun 21, 2020 · 1. When we set border to the combo box it is continuous although we can change it. qss'] app = QtGui. Laying out widgets properly will make your GUI applications look polished and professional. So you can try, this is working on linux. setFont (QFont (font_name, size)) Argument : It takes QFont object as argument. Pyqt: How to change QGroupBox title color? 2. For the Color use QPallete, then use {your palette}. To change the actual checkbox icon, the best option I've found is to use a stylesheet. setVerticalScrollBar(verticalScrollBar) But the exact same stylesheet works on a QSlider (by replacing QScrollBar with QSlider ). setStyleSheet("QLabel{ color: white}") But looks like its not working as its still the same black color. ho ni mg bb mf qi kl sm ti ca