Note that the setSpread() function only has effect for linear and radial gradients. Apr 11, 2017 · as said here : You must first create an item in that place in the table before you can set its background color. To change the text color and background color of a QLabel, here is what I would do : QLabel* pLabel = new QLabel; pLabel->setStyleSheet("QLabel { background-color : red; color : blue; }"); You could also avoid using Qt Style Sheets and change the . It seems the easiest and most flexible way to get control over Qt widgets is to use CSS (which is well known among the web developers). setIcon(_CLOSE_ICON) self. Mar 6, 2023 · The first style will define our background-color for all the QPushButton objects in the application. Base. To make it reusable though it would make sense to put the Stylesheet into a seperate file. e. setPalette(palette) Althought that changes the color to blue, it is not the type of blue that I want. QLineEdit() myQLineEdit. arg( pow(row, column+1))); tableWidget->setItem(row, column, newItem); Each item can have its own background brush which is set with the setBackground() function. The complete Python 3. A QLabel can be styled differently by setting some of its CSS properties, such as background-color and font-family , so let’s see how does the code look like with these changes: importsysfromPySide6. setColor ( QPalette :: Window , Qt :: black ); m_myWidget -> setAutoFillBackground Oct 12, 2020 · Extend your PySide2 GUIs with dynamic plotting using PyQtGraph. Push (click) a button to command the computer to perform some action, or to answer a question. Set this property to changes the scene’s background to a different color, gradient or texture. setBackground(QtGui. The code I use is: QMainWindow, QApplication, QPushButton, QSize, def __init__(self, parent=None): super(). 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. Create a QWidget for each of the pages in the tab dialog, but do not specify parent widgets for them. A general foreground color. Place the stylesheet in the same folder as your Python file. The checked colours are however not as I've set them; they include some raster pattern. Window color role from the widget’s palette. from PySide2 import QtWidgets, QtGui, QtCore class Widget(QtWidgets. QColor("gray")) Feb 25, 2019 · The delegate by default uses the BackgroundRole information if it is available so the solution is just to return a QColor, QBrush or similar. WA_TranslucentBackground and doesn't need the style sheet itself but child widgets contained in the widget however that have autoFillBackground()==True by default should have it unset or should have set QtCore. You can also design and lay out your interface graphically using the Qt designer. org You just need to specify which classes of widget to apply the stylesheet rule to: scroll. g. palette()' cannot be used to set the color? Why does a new palette have to be created and set? Thanks. March 14, 2011 at 5:06 pm When rendering, QGraphicsView protects the painter state (see save() ) when rendering the background or foreground, and when rendering each item. QPalette. Problem is, now the arrangement of Sections change and due to that, row color also gets affected. Qt. In addition the static fromRgb () , fromHsv () and fromCmyk () functions create colors from the specified color – PySide2. This background can be different from Window as some styles require a different background color for buttons. Aug 28, 2019 · I'm writing a widget that should have a transparent background. make it work: Neither of my attempts at setting background color appear to be working. 9 code is as follows: # See code example 'palette_dark_widgets. How to achieve control of the appearance of the QMainWindow borders and titlebar? I would like to know how to change their colors and how to control the borders width and the title-bar's Jul 22, 2015 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand May 20, 2022 · exit_action = QAction(self) exit_action. As you can see, there are three positional layouts available in Qt. setStyleSheet(''' QLineEdit { border: 2px solid rgb(63, 63, 63); color: rgb(255, 255, 255); background-color: rgb(0, 0, 0); } ''') myQLineEdit. This tutorial teaches you how to create interactive and customizable plots, and enhance your applications with real-time data visualization. setStyleSheet('#myscrollarea {background-color: #D8D8D8}') For a complete list of qss selectors, see the Alternatively, setUrl() can be used to load a web site. GraphicsLayoutWidget() Used mostly as the background color for text entry widgets, but can also be used for other painting - such as the background of combobox drop down lists and toolbar handles. Is there a way to effect them separately? May 21, 2020 · A QGridLayout showing the grid positions for each location. A color is normally specified in terms of RGB (red, green, and blue) components, but it is also possible to specify it in terms of HSV (hue, saturation, and value) and CMYK (cyan, magenta, yellow and black) components. QPropertyAnimation allows you to change the value of an attribute of an object from a startValue to a endValue over a certain amount of time, and optionally following a custom easingCurve. QtCoreimportQtfromPySide6 Mar 28, 2019 · If you want to change the background color you must use the setCackgroundBrush() method of QChart(): self. Hope that helps. addAction(minimize_action) self. Used mostly as the background color for text entry widgets, but can also be used for other painting - such as the background of combobox drop down lists and toolbar handles. the conical gradient fills the entire circle from 0 - 360 degrees, while the boundary of a radial or a linear gradient can be specified through its radius or final stop points, respectively. QtCharts. PySide2. setStyleSheet("background-color: %s" % color) pass. Jan 11, 2022 · QStackedLayout. , you can call setPen() or setBrush() without restoring the state after painting). The QVBoxLayout, QHBoxLayout and QGridLayout. Jun 9, 2020 · Then, you add a Label, set its text property to 0, and set its background color to red. row(), 3), Qt. You have to set the color in the ViewBox of the PlotItem with the setBackgroundColor() method: import pyqtgraph as pg. __init__(parent) Detailed Description. May 6, 2021 · 3. The color names are taken from the SVG 1. I would also like to change the color of the borders and the color of the title bar. May 7, 2021 · I'm trying to style the scroll bar of a QtTableWidget so the part where the "scrolling part" isn't on the bar is transparent so the scrollbar would be of the color of the background and the scrolling part (where you put your mouse) is the only part whose color is different from the background. Like this one - Q_PROPERTY(QColor color READ color WRITE setColor) and in setColor method of this subclass you should change color. chartView. At the top the two are not seamlessly connected. Any help would be great. QGraphicsScene. Jun 23, 2021 · The custom animated toggle checkbox in action. png); background-repeat: no-repeat; background-position: center") Dec 24, 2015 · So you would need to subclass every widget that you want to change background color and create your own property for them. These functions return a copy of the color using the desired format. QtCore import Qt from PySide2. This is all you need, just save it in the same folder as the previous file, under something like demo. This property cannot be turned off (i. 11. AlternateBase The foreground color used with Base. Columns and rows behave identically; we will discuss columns, but there are equivalent functions for rows. Does anyone know what could be causing this. ui'. This property holds the frame’s rectangle. Jan 28, 2019 · First (change only one widget): Rightclick of the Widget, click "Change Stylesheet" and the Stylesheet window open, when you cange something inside the window you the widget will changed too. QCheckBox::indicator. exec_() We don't need to create a QMainWindow since any widget without a parent is a window in it's own right. QApplication(sys. QtCore. You will need to set in, e. I have found several answers adressing the issue of changing text color in a QLabel (1, 2, 3) and they all use the function setStyleSheet. We must obtain the data in the archive column (in my example it is the third one) and verify that it satisfies the condition (in this case true), if so we return the QBrush object with the desired color. List items are typically used to display text() and an icon() . Jul 21, 2022 · This is a working example using PySide6 on Windows. It provides an item for use with the QTreeWidget class. The normal way to use QTabWidget is to do the following: Create a QTabWidget . I'am using PySide 1. Apr 3, 2019 · I have defined the color and style of the QLabel in the ui file and I want to change it when a certain event takes place. This The PySide. A QLabel can be styled differently by setting some of its CSS properties, such as background-color and font-family, so let’s see how does the code look like with these changes: import sys from PySide2. QTableWidgetItem()) self. It depends. table. BackgroundRole: if QSqlQueryModel. setStyleSheet("QPushButton { background-color: blue }" "QPushButton:pressed { background-color: red }" ) answered Jan 27, 2014 at 21:53. setStyleSheet("QListWidget::item { border-bottom: 1px solid red; background-color: blue;}") and to set background color to specific items I used item. # Form implementation generated from reading ui file 'app. show() sys. if role == Qt. Here is a quick example. Incidentally, QLCDNumber is the very oldest part of Qt, tracing its roots back to a BASIC program on the Sinclair Spectrum . In addition a color can be specified using a Jun 24, 2018 · claudiohick It works for me. i tried with. import sys. CSS syntax is almost self-explanatory and easy to understand (but Dec 30, 2023 · I have tried to style my pyside6 combobox like in the picture bellow but have not found a good solution. setTextBackgroundColor(QColor(0,0,0)) w. The color used is defined by the QPalette. QColor Sets the color of the text in the tab with the given index to the specified color . Our custom PowerBar widget will appear as any normal window. For the widget containing the button, radio button and checkbox I set the styleSheet property to background-color: #FFFFFF. You'll end up with a form like this: Qt Designer — Form with colored labels Nov 21, 2017 · It seems to me that the default white background color of QTextEdit (PyQy4) can't be changed by means that are otherwise working for other Qt widgets. The push button, or command button, is perhaps the most commonly used widget in any graphical user interface. May 15, 2011 · Table of Contents. Below is the difference in default button and colored button. 1 win7 I have try something like this: self. Layouts are not widgets. QGroupBox. 7. Therefore, if experiencing problems with getting the contents of a QOpenGLWidget composited correctly with other the widgets in the window, make sure the server (such as, vncserver) is The first example demonstrates how to change the background color using QPalette m_myWidget = new QWidget ( this ); m_myWidget -> setGeometry ( 0 , 0 , 300 , 100 ); QPalette pal = QPalette (); // set black background // Qt::black / "#000000" / "black" pal . "QFrame {background-color: rgb(255,0,0);}" – Stephen Terry Commented Sep 8, 2011 at 18:04 Aug 21, 2023 · I can use a stylesheet to set the background colour of a QPushButton when it is clicked or checked. For example, a color depth of 16 will typically map to using a backing store image with the format Format_RGB16 (RGB565), leaving no room for an alpha channel. # Demonstrates an overall visual theme change. backgroundRole(), QColor(0,0,0)) w. app = QtGui. In addition the static fromRgb() , fromHsv() and fromCmyk() functions create colors from the specified values. 736 Thanks your test For my houdini isn't running right my houdini is 16. The widget itself has a transparent background because of the attribute QtCore. btn_text = QString("this font color") btn = QPushButton(btn_text) btn. setModel(model) The model/view architecture ensures that the contents of Mar 11, 2014 · Here is summary of what had been discussed so far. I can't seem to call it correctly. In order to do this we will use setStyleSheet method. I tried this as a stylesheet: Jan 24, 2022 · So, it is hiding every row that doesn't match the Searched Item. data(self, self. I know there’s ways with modifying the button’s palette but not getting the syntax right. Syntax : button. The default gradient is black to white. Top-level items are constructed without a parent then inserted at the position specified by a pair of row and column numbers: QTableWidgetItem *newItem = new QTableWidgetItem(tr("%1"). If I press Alt+D then the "DashBoard" background- color change into the Light green. A white source color leaves the destination color unchanged. setStyleSheet("QComboBox:!on { color: " + fgColor +. Synopsis. Fills the image with the given color, described as a standard global color. palette() p. Used by QLabel and QLCDNumber. show() app. DisplayRole): May 17, 2019 · I am trying to add an image to QListWidget which does not have a setpixmap() method as suggested in the example. QColor(100,100,150)) other good example using image. setStyleSheet("background-color: green"); To set a specific QStandardItemModel Item Background Colour this works for me: Oct 12, 2016 · So I used my_list. both are stylesheet giving unwanted output. example for QLabel below: I am using PySide 1. QtWidgets. Second (change all selected widget): Use the property window, mark all widget you want to change, click of the of the styleSheetrow. HI, I am trying, with no luck, to change teh background color of a widget. Button: The general button background color. The frame’s rectangle is the rectangle the frame is drawn in. The stop points are marked by a red box with a white line drawn PySide2. QFrame. 7 and I need a widget to draw a colored background. i was able to make it work like this, that way the color button is blue and when is press changes to red. QColor. I have tried the following: w. You can set Nov 27, 2019 · to change the background color to Blue. QPainter. import numpy as np. To do this the attribute you want to change must be defined as a Qt property. March 14, 2011 at 5:01 pm #55645. The text is either white or black. setPalette(p) To create a QColor based on either HSV or CMYK values, use the toHsv() and toCmyk() functions respectively. This custom PyQt5/PySide2-compatible widget provides a gradient designer providing a handy interface to design linear gradients in your applications. If the group box is checkable, it is displayed with a check box. By default, this is the entire widget. TheDoc. pyqt. fill (color) ¶ Parameters: color – GlobalColor. A command button is rectangular and typically displays May 22, 2017 · 5. setStyleSheet(str) function: The color used is defined by the QPalette. ColorRole. I want to change the color without changing any other style of my QLabel. setColor(w. Programatically, I'm organizing some information in horizontal layouts and displaying them in a frame. To create a QColor based on either HSV or CMYK values, use the toHsv () and toCmyk () functions respectively. QColor("#E3E3E3")) The problem is the specif items that I set a different color don't get this color. addAction(maximize_action) self. Hot Network Questions Feb 12, 2015 · The QMainWindow below is assigned a dark-gray background-color using QSS. py. 0. If an invalid color is specified, the tab will use the QTabBar foreground role instead. Output with border style sheet. The QColor constructor creates the color based on RGB values. from PySide2 import QtCore, QtGui class PandasModel2(QtCore. 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. from pyqtgraph. Background, QtCore. Usefully, for QGridLayout you don't need to fill all the positions in the grid. blue) self. setColor(QtGui. In the following example, the contents of a directory are supplied by a QFileSystemModel and displayed as a tree: model = QFileSystemModel() model. Fills the entire image Dec 9, 2018 · If you can use a QLabel, to change the background color QPalette is used:. It could use just a little color tweaking to make the unactivated checkbox and radio button more visible. 5, I don't know why self. The PySide. 5, y2: 0. QAbstractTableModel): # Jun 8, 2011 · Just vaguely wondering why the existing pallet accessible as 'self. You can skip elements, and they will be left empty. WA Ok, now I get it, sorry. A new gradient can be created simply by creating an instance of the object. It is usually white or another light color. setStyleSheet('QScrollArea {background-color: #D8D8D8}') Or, to be even more specific, use an object-name: scroll. Docs: Qt 5 Style Sheet, Qt 6 Style Sheet. name () function returns the name of the color in the format “#RRGGBB”. Put overflow: hidden; on the div. QtGui. This property holds whether the group box is checked. style. The destination color is darkened to reflect the source color. 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 Aug 12, 2014 · Create a color delegate for setting the background color of a row with text 'a' to green. 2. Mar 21, 2017 · I have an widget that contain a lot of children , i want to set its background transparent , but keep its children opaque. fill (color) Parameters: color – PySide2. Unfortunately, I'm afraid that that's not (easily) possible: whenever you set any background or border property of an item view with stylesheets, it always overrides the item background color (see this related answer), so the only option left is to not use stylesheets for that header (you can set all other header view ::section properties with the [withCustomHeaders Dec 8, 2020 · I would like to add a background image to my main window without changing the background image of pushbutton in it and also need to keep the aspect ratio. Unfortunately, I get a black background instead of transparent. from PySide6 Mar 14, 2011 · I have ul navigation, with a blue background set on the containing div. I am trying to set an image as the background on the ListWidget just like I would set a background-color to a color. The reason is that the conical gradient is closed by definition, i. setStyleSheet (“background-color : yellow”) Argument : It takes string as argument. I need to change the background color of the Label. chart(). Stacked (z) in front of one another. A light source color will lighten the destination color, whereas a dark source color will darken the destination color. Is there a cleaner way of setting up the same effect with a widget than using the stylesheet above? Mar 25, 2017 · I want a light blue color in my application, precicely #99ccff in html color codes. In my application, I have: palette = QtGui. Sep 15, 2014 · Use Qt style-sheet to create complex color style your own, read here to see a lot of example;. Apr 14, 2019 · To set the whole of a QTreeView Background Colour this works for me: IG = QTreeView() IG. You specify row and column positions for each widget. , set to false) if a widget’s parent has a static gradient for its background. ButtonText: A foreground A color can be set by passing an RGB string (such as “#112233”), or a color name (such as “blue”), to the PySide. setAutoFillBackground(True) p = w. QImage. fill (pixel) Parameters: pixel – uint. In Qt Designer I created a simple window consisting of a label, a widget containing three other items and another label. self. You can style your application using the CSS-like syntax. edited Sep 20, 2017 at 11:56. 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. If you have the HTML content readily available, you can use setHtml() instead. Some people said, that can get my adding style sheet in Qt-Designer. Typical buttons are OK, Apply, Cancel, Close, Yes, No and Help. item(3, 5). Just disable the windows title bar, and create a top frame for your interface with clickable buttons from Qt Designer or from code. if __name__ == "__main__": import sys. 5, stop: 0 #FF92BB, stop: 1 white); } It's interesting that 'selection-color' works in changing the colour of the text in the selected row, but 'selection-background-color' for either QTableView or Dec 18, 2013 · How do I get the background color of this button to change. Vaibhav Mule. The gradient() defines the gradient fill used when the current style is either Jun 13, 2020 · volume = PowerBar() volume. 1. For example, check the following image, As you can see, the buttons now have a different background color than the Row background color. "; background-color: " + bgColor + "; }"); Result: it changed the color nicely when not selected - but the highlight and the header are gray and hard to read, I wish I could change it also. Jan 23, 2013 · 8. Background, but this also effects the window color as well, so instead of getting a lighter shade, the whole interface is set as a solid color. setBackgroundBrush(QtGui. setRootPath(QDir. If the check box is checked, the group box’s children are enabled; otherwise, the children are disabled and are inaccessible to the user. isChecked() Return type: bool. RubberBand PySide2. QtWidgets import QApplication , QLabel if __name__ == "__main__" : app = QApplication () w = QLabel ( "This is a Sep 8, 2011 · You can add a selector to the style sheet string to target only one class of widget e. currentPath()) tree = QTreeView() tree. X11BypassWindowManagerHint; my system using KWin windows manager which is based on x. setContentsMargins(0, 0, 0, 0) self. {. Call addTab() or insertTab() to put the page widgets into the tab widget, giving It is simple to construct a tree view displaying data from a model. Out without any stylesheet. This is usually the same as the WindowText, in which case it must provide good contrast with Window and Base. WindowText. This allows you to leave the painter in an altered state (i. 1 with Python 2. To complete this example, repeat all the steps to add three more labels with their respective text set to 1, 2, and 3 and their colors set to green, yellow, and blue. The second style will only style the title object of a QLabel . Constructs an LCD number, sets the number of digits to 5, the base to decimal, the decimal point mode to ‘small’ and the frame style to a raised box. drawFrame (arg__1) ¶ Parameters: arg__1 – PySide2. setItem(3, 5, QtGui. Houdini fx 16. QPainter. The color can either be one of Qt’s predefined colors, GlobalColor , or any other custom QColor . Qt import QtCore, QtGui. PySimpleGUI textbox border color. For instance change the font color or background color. One of the major strengths of Python is in exploratory data science and visualization, using tools such as Pandas, numpy, sklearn for data A general background color. Items are usually constructed with a parent that is either a QTreeWidget (for top-level items) or a QTreeWidgetItem (for items on lower levels of the tree). Custom widget background color in pyside2. setStyleSheet("background-image: url(The_Project_logo. QPalette. To include a QSS file to your application, you can apply it by reading the file and using the QApplication. The QTreeWidgetItem class is a convenience class that replaces the QListViewItem class in Qt 3. in a loop for your pushbuttons or the container widget of them if there is any. The currently set color can be retrieved and altered using the color() and setColor() functions, respectively. Jun 28, 2022 · The title bar is drawn by Windows so you cannot change it via PyQt or Pyside. index(item. Note. I have tried using Palette and I am having no success. qss: QWidget { background-color: rgb(0, 0, 127); } QPushButton { border: none; color: white; } And then replace Jun 15, 2019 · Gradient. python. How to change the border color of a disabled entry widget. exit(myQApplication However, later in my code I need to change some elements without affecting the others. frameRect ¶ Return type: PySide2. I want to change the background and digit color of QLCDNumber in Qt Designer and I am going to use that design (GUI) on my Python program. The tooltip text colour always seems to follow the colour of the button text. In addition, Windows are always filled with QPalette. QPalette() palette. Out with background-color stylesheet. argv) myQLineEdit = QtGui. The code apparenly should be easy: for example, here given I create a label and try to set the background to RED, but nothing happens. item(1,0). import sys from PyQt4 import QtGui myQApplication = QtGui. 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. pelos. py' in the 'themes' folder. tableWidget. I've used attributes like: WA_TranslucentBackground; WA_NoSystemBackground; and also flags: Qt. QLCDNumber{color:rgb(85, 85, 255);background-color:rgb(0, 170, 255);} It is successful for background color not for digit color. QRect. centralWidget. The problem is that the bottom corners from the dropdown have a square under it which is not transparent and the top does not connect the way i want it to connect with the main combobox. Below is the full code: UI Code: # -*- coding: utf-8 -*-. May 19, 2016 · Result: it changed the entire combo box in that color, forgetting the initial colors. I would like the color to be red. Mar 5, 2020 · How can I get and set the background color of a QFrame and QGroupBox with palettes? From what I can tell I can effect them with QPalette. Functions; Detailed Description. background-color : lightgreen; QGridLayout takes the space made available to it (by its parent layout or by the parentWidget() ), divides it up into rows and columns, and puts each widget it manages into the correct cell. The loadStarted() signal is emitted when the view begins loading and the loadProgress() signal is emitted whenever an element of the web view completes loading, such as an embedded image or a script. setNamedColor () function. The brush color() defines the color of the fill pattern. How can I change the color to while. Style can be applied to the main window or individual widgets using a string that is similar to CSS. QColor class provides colors based on RGB, HSV or CMYK values. CompositionMode_HardLight: Multiplies or screens the colors depending on the source color. Changing the row background color of a QTreeView does not work might be helpful for you. setStyleSheet("QLabel{ color: white}") But looks like its not working as its still the same black color. Window, unless the WA_OpaquePaintEvent or WA_NoSystemBackground attributes are set. 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. setObjectName('myscrollarea') scroll. Member. I would like to alternate background colors for each loop. In Qt The best and recommended way is to use Qt Style Sheet. I need a function to change the row Sep 11, 2020 · This is showing as below: So I added below line of code: msgBox. Here we're using code, so you can understand the underlying system. 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. May 18, 2014 · Either way, have you tried setStyleSheet("background-color: black;"); on the corresponding widgets where you can change black to the color you wish to have? Yes because the attribute is for QWidgets. As soon as I set the links in the unordered list to block, float left the background color of the div disappears. List items can be inserted automatically into a list, when they are constructed, by specifying the list widget: new QListWidgetItem(tr("Hazel"), listWidget); Alternatively, list items can also be created without a parent widget, and later inserted into a list using insertItem() . The second one is: You can create your own title bar with Qt. pyside. There are 2 ways to do it : First one is with C++ : See the post. setStyleSheet("border:1px solid %s" % color) def setColor(self, color): self. 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. Apr 22, 2020 · Below is the representation of normal indicator vs the colored indicator. The segmentStyle() is set to Outline . This is an overloaded function. 0. Each column has a minimum width and a stretch Nov 27, 2022 · Palette is done using QPalette object. Apr 22, 2020 · By default, when we create a button it is of grey color although PyQt5 allows us to change this color. . It's for C++ but in Qt this is one to one transferable to PySide/PyQt. QChartView. FramelessWindowHint ; Qt. argv) win = pg. QWidget): def __init__ Jul 17, 2014 · From the style sheet examples quite at the bottom: QTableView { selection-background-color: qlineargradient (x1: 0, y1: 0, x2: 0. QChartView. addAction(exit_action) And set the background color when hovering with stylesheet (it is applied to the entire QApplication): I want the close button to have a different highlight color, so I tried setting a boolean 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. 0 color names. For more information, see Qt Style Sheets Reference. Insert child widgets into the page widget, using layouts to position them as normal. QGridLayout allows you to position items specifically in a grid. zs ae es ss zm qq jo bt qa fa