border: 1px solid #999999; height: 32px; /* the groove expands to the size of the slider by default. This seems to be the case for the Plastique style and the Windows style (which the OP appears to be using). scale(size(), Qt::KeepAspectRatio); label->setFixedSize(pixSize); } The second example is based off of the answer given by @Arnold_Spence. – A widget is considered as a hierarchy (tree) of subcontrols drawn on top of each other. jpg" ) ); lblImage->setScaledContents( true ); Aug 18, 2018 · Okay - this helped. I am unable to locate the proper syntax that would allow me to modify the icon's size when I implement the icon image from the stylesheet. Feb 6, 2018 · @mrjj It doesn't work with a large image that needs to be scaled down to the group box size, and it also doesn't scale when I resize the window. 1 Reply Last reply Reply Quote 0 mrjj Lifetime Qt Champion @qwasder85 last edited by Jun 9, 2016 · 1. Unlike background-image and border-image, one may specify a SVG in the image property, in which case the image is scaled automatically according to the widget size. was hoping to avoid manually specifying all the image sizes in the. QLabel lblImage; lblImage->setPixmap( QPixmap( "big_image. Apr 29, 2020 · 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. if you choose to set the a property called urgent to true for a QObject, that property will stick even tough the class does not contain a Q_PROPERTY macro for the property urgent . You can set min-width though. But when applying this to a QPushButton, it fails (image does not resize). ), as well as any style sheet set on the QApplication. subcontrol-origin: padding; subcontrol-position: top left; padding: -16 12px 0 12px; } It looks almost right - but the border now cuts through the title. So instead of :/images/image. However, I cannot seem to get the border to show as it appears the background color is "covering" it. answered May 24, 2016 at 12:25. For example, the QML example below uses the checkmark unicode as the text property. Although you can't set a size of the branch directly you can manipulate it indirectly like this: QTreeView::item { height: 100px Style sheets can be set on the QApplication, on parent widgets, and on child widgets. 3 as published by the Free Software Foundation. stylesheet). QLabel doesn't support resizing to a size smaller than the source image. To fix it you need to write own style like this: button->setStyleSheet("border: 1px solid black; background: white"); Actually there is a very simple solution for this problem. 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. Topics: Overview. Sep 26, 2022 · Hi. Oct 4, 2013 · I'm new to Qt and having some issues! Using QtCreator, I created a simple window that i'm now trying to set the background image of. When dealing with a QPixmap, one can choose a visually better scaling, for example, pixmap = pixmap. Jan 29, 2017 · Consider I have created a button in C++ code named my_button: QPushButton* my_button = new QPushButton ( tr ( "OK" )); Now I want to manipulate this button as follows: 1- Change the font to Italic or Bold (e. 2, it is possible to edit stylesheets in Qt Designer with the stylesheet editor. We are using QPainter class, setCompositionMode method to get the result. 记录这篇文章来避免因忘记处理设置而反复尝试花费不必要的 May 15, 2011 · In addition, Qt Designer provides style sheet integration, making it easy to view the effects of a style sheet in different widget styles. background-color: red; This section provides examples to customize specific widgets using Style Sheets. So I use QComboBox::drop-down to set the border to 0x and then use QComboBox::down-arrow to define a custom arrow. To control the coloring of that area, put the QTabWidget in a QWidget and set the style sheet on the container. Note : In first way, push button size may or may not be changed. I discovered that the page "box" ( at least if editing with InkScape) would define the maximum size the icon would become. Aug 6, 2011 · Another solution might be to rethink use of style sheets in this case and go with a QConfig type of solution (you can use both: style for the style, config for the icon set). So, I try to add to my . background-color: "#242424"; Aug 30, 2019 · We are developing an application in QT5. For example, the QComboBox draws the drop-down sub-control followed by the down-arrow sub-control. It doesn't seem to set its minimum size according to the image though (I. In Qt 4. setStyleSheet ("QCheckBox::indicator { width:50px; height Jun 16, 2017 · Some styles just draw the borders differently for certain widgets. maximo. 5); to get both the icons and toolbar background to 50% but that didn't seem to work. Documentation contributions included herein are the copyrights of their respective owners. This section provides examples to customize specific widgets using Style Sheets. Actually I have a image of size 320X480, I want to use this image as background for a QWidget screen with size 360X640. This application is for use on the icon of a QPushButton on multiple uis and the Stylesheet settings will be set on a parent ui. It's better to use the normal CSS property: icon-size: 24px;. You can change the size of the indicator : You'll have to change the image of the indicator, and provide an image with a Apr 24, 2021 · It has helped me countless times when trying to figuring out how to style something with QSS. qrc file) of your application. Jan 1, 2013 · QSize pixSize = label->pixmap()->size(); pixSize. background Dec 23, 2019 · I would recommend using Qt style sheet. Mar 19, 2021 · Mar 19, 2021 at 17:21. This is applicable when using Qt Designer as well. setObjectName("MainWindow") 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. The only way I found to get a wide button (one larger than 16 pixels) is to use negative margins: QComboBox {. A QComboBox is thus rendered as follows: Render the QComboBox { } rule. replied to sp3x on 9 Apr 2023, 16:14. The only exceptions are class names, object names, and Qt property names, which are case sensitive. png to there, then clicked on add resource -> background-image and picked img. So, in order to have the pressed state take precedence, simply move it below the hover state. For my frame, when I type this which I got from an online tutorial, I get a nice white rounded border. 1 Reply Last reply 0 Aug 25, 2016 · Qt Style Sheets 之 border-image. The second argument is optional and is a simple description of the image within braces {}, equivalent to the HTML alt="" in an image Introduction to the Qt Style Sheets. And on a button press, want to draw a transparent section on this QLabel. When conflicts arise, the widget's own style sheet is always May 16, 2013 · I have successfully gotten the image (using border-image) and background color to appear correctly. This produces: What I'd like is to: reduce the size of the border zone around the buttons. Still looking for a stylesheet way of doing it. Qt Style Sheets or QSS is very much similar to Cascading Style Sheets (CSS) for the web. Sep 3, 2020 · So they just add an icon to the label of the button, which results in the behaviour you describe. Still didn't work. Jan 1, 2013 · You can either have a widget try to give feedback to a layout as to what size it wants to be and always draw the image to the full dimensions of the widget or you can allow the layout to resize your widget any way it wants and always paint the image at the appropriate scale and position withing the bounds of the widget. I'd like it to have some sort of simple animation when the button is clicked (turning slightly Your code snippet makes no attempt to change the size of the check box. QSlider::groove:horizontal {height: 10px; margin: 0 0;} QSlider::handle:horizontal {background-color: black; border: 1px; height: May 1, 2011 · 4. I have a QPushButton, and I have tried to change its style: color, shape etc I used something like this: button->setStyleSheet(QString::fromUtf8("QPushButton{background-color: qlineargra May 15, 2011 · The image specified does not tile or stretch and when its size does not match the size of the widget, its alignment is specified using the image-position property. As an alternative, as long as you don't care about aspect ratio, you can use an empty QLabel or QFrame and set a proper stylesheet using background-image. For example, to set a background-image that scrolls with the scroll bar: May 6, 2020 · So, I was able to show a plain QWidget with a background image set by a style sheet, at least, in Windows 10 with VS 2017 and Qt 5. It depends on the image size and in second way no change will occur to push button size. QSlider::groove:vertical. Adjusting the size to 64 or 256 did not change the size of the object. Dynamic properties were introduced in Qt 4. Jan 11, 2017 · 5. Step 1 Create a new empty form, named MyLoginForm. You can use a FontLoader to load the font or see if you have a system font that has a checkmark. Assuming that label or frame is named "myImage", the stylesheet would be: QFrame#myImage Jun 20, 2020 · this is a pretty late answer but I think that I found the solution somewhere in the Qt-forums. Jul 22, 2021 · To scale the image down as you wanted and keep the ratio between the two elements, you need to set setScaledContents(True) like this: from PyQt5 import QtCore, QtGui, QtWidgets. h. , color, Color, COLOR, and cOloR refer to the same property). – QPushButton SVG stylesheet scaling to max size always, can't resize. Style sheets can be set on the QApplication, on parent widgets, and on child widgets. background: transparent; background-color: transparent; color: white; border: 1px solid #5A5A5A; } But this removes v, so checked state shows with box area, but without v -marker, as if the state is unchecked: Feb 6, 2018 · @mrjj It doesn't work with a large image that needs to be scaled down to the group box size, and it also doesn't scale when I resize the window. This is in accordance with what is documented in Qt Style Sheets Reference – background: Shorthand notation for setting the background. In summary, something like this will do as the QCheckBox's stylesheet: QCheckBox::indicator:unchecked {. The first argument is the name of the image file. Dec 6, 2017 · 1. In CSS3 I saw a "background-size : contain" property but I fear it doesn't work in Qt 4. QLabel: Use indent property like this: Hope it helps :) For example, we change the border to grey and the chunk to cerulean. When conflicts arise, the widget's own style sheet is always It turns out this is very easy to implement using Qt Style Sheets. Im using SVG for all icons. This CSS will only apply to QLabel objects which are children or grand children of a YourContainerClassWidget object. It just draws the pixmap in the paint event: // imagelabel2. Here's the stylesheet code I'm using for the QMenu's. Render the QComboBox::drop-down { } rule. I'm using this code: this->centralWidget()->setStyleSheet("background-image: url(:/image. 7 , I set a QWidget's background-image CSS an image from my qrc. Add the image to your resources in your project. All the gory details are here. And then settings the height and width with matching padding, resizes the down-arrow field over the button field. 每次都花费一定的时间来反复尝试来解决细节问题。. I'm trying to create a styled button with an svg file I have. If you want to have different sizes on the toolbar then vary them with setFixedSize(). @sp3x said in Styling of QComboBox Arrow: Sep 16, 2015 · It is the container (or parent widget) which is showing through. Other solutions might be to try to get the background image of the push button and get its size (one hack would be parsing qApp->styleSheet() and doing what I've shown above). Now go into QLabel properties and select the image you added to resources for pixmap property. Daniel Santos. class Ui_MainWindow(object): def setupUi(self, MainWindow): MainWindow. I find it's also. May 10, 2023 · @JonB said in Using relative path for image:url in stylesheet:. Mar 23, 2018 · @vdevadass Note on SVG. Couldn't find a way to make the image fit image property applied to QPushButton (d'oh!). A Zhihu column where you can freely express yourself through writing. Howdy, want to start by wishing you all a Merry Christmas Happy Holidays and the Best New Year! Decided to do some more studying of QT during the holiday break and ran into a weird error, wonder if anyone has some tips to deal with this. Nov 9, 2016 · This little helper will scale the image down to fit into a label's maximum size if needed (but not up), always keeping the aspect ratio: /**. I am trying to do this using stylesheets in Qt Creator 2. --- SUPPORT REQUESTS VIA CHAT WILL BE IGNORED --- If a svg is specified, the image is scaled to the size of the contents rectangle. By contrast, the default Fusion style draws them the same, as do the Cleanlooks and GTK2 styles. I would like my QGroupBoxes to feature a watermark in their bottom-left that is a certain percentage of the QGroupBox's width and keeps its 1:1 aspect ratio. To provide a "skin" or background that scales along with the widget size, one must use border-image. 3k 22 100 182. I then deleted the old resource image and re-imported the new one. To set the style sheets for a widget, you call its ©2018 The Qt Company Ltd. I tried with the followings: 1). Abhishek Agarwal. The same with, say, QTextEdit support for "HTML", which is actually support for Qt's own "rich text" subset of HTML. I don't have time to mess with it right now, but everything I read via a couple google searches says that border-image: is the icon in regard to the stylesheet. relative to the directory in which the executable is located. We're developing a touch screen Qt application in C++ forms that requires a wide down arrow graphic image as well as a custom background. Aug 31, 2009 · 5. @mrjj The only fix I could come up with was creating some transparent background space around the icon image itself, and then moving the icon within that space. The base size of the image is being set by the groove, but you can also further enlarge the handle image via the margin property on . 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. 1 Reply Last reply Reply Quote 0 mrjj Lifetime Qt Champion @qwasder85 last edited by Jul 23, 2013 · widget->setStyleSheet(QString("first part of stylesheet") + path_string + QString("another part of stylesheet")); The way you probably should handle this is to use relative paths. Step 2 Add a QFrame to your form, and apply a vertical layout to your form (any layout will work actually: vertical, horizontal or grid). * Fill a QLabel widget with an image file, respecting the widget's maximum sizes, * while scaling the image down if needed (but not up), and keeping the aspect ratio. by giving it a height, it has a fixed size */. 4. Several selectors can be specified for the same declaration, using commas (,) to separate the selectors. #frame1 {border-radius: 15px; border-width: 3px Jul 26, 2011 · 1) You can layout a couple of QFrames in your splitter, give them layouts and the put your widgets inside of those frames. 1 Reply Last reply Reply Quote 0 mrjj Lifetime Qt Champion @qwasder85 last edited by Mar 17, 2016 · Actual size of widget is exact, but Windows reserve space on borders for animations, so it looks smaller than you expect. Searching around lead me to believe i should use QT stylesheets and after trying some examples I managed to get a background image working by using: this->setStyleSheet(" background-image: url(C:/test. S sp3x has marked this topic as solved on 8 Apr 2023, 22:52. 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. I am using PyQt5 Designer and here is the style sheet for the slider. My personal preference of styling when the widget must be changed by code is setting the constant values in Qt Designer to the parent with the corresponding widget type tags and object name tags. Now my icons line up properly with the text on the right. border: 1px solid #cccccc ; background-image: url ( :/Images/watermark. Apr 10, 2014 · Hi, if using the styleSheet is not mandatory: There a some good tips to sizing an image with the right aspect ratio in the Qt Image Viewer Example. 7. . setStyleSheet (styleSheet); I'd have preferred to use QToolBar::setWindowOpacity (0. Customizing QAbstractScrollArea. For example, you can specify arbitrary images for radio buttons and check Mar 4, 2011 · QLineEdit: Use ui->SearchBarEditBox->setTextMargins(20, 0, 0, 0); to add a left text margin; QPushButton: You can subclass QPushButton and reimplement paintEvent() method, or if you want a simpler workaround, just add some blank spaces before your text. 3 and later, the alignment of the image within the rectangle can be specified using image-position. get rid of the pale blue square over the buttons in the On state. , OK OK) 2- Set a red or blue color for it. png ); Oct 2, 2015 · MOffline. /images/image. To change the actual checkbox icon, the best option I've found is to use a stylesheet. A widget is considered as a hierarchy (tree) of subcontrols drawn on top of each other. 5. 0 with Qt 4. 2. Pl45m4. jpg)"); I experimented with my stylesheet file and I found out that these two selectors are responsible for style of checked items highlightation: QWidget:item:selected { border: 0px solid #999900; background: transparent; } QWidget:item:checked { font-weight: bold; } Sub-controls. This QLabel will actually display the image. Resize it to the size you want the image to appear. button style instead of the icon. The syntax is the same, but not the supported elements. Setting explicit sizes in stylesheets is almost Sep 27, 2022 · I am unable to locate the proper syntax from the Qt documentation that would allow me to modify the icon's size when I implement the icon image from the stylesheet. You can either use an image or a font like Font Awesome to be loaded. Yes that is what I meant, my post is based on OP's current folder hierarchy, their build folder is in their working directory. Of course the maximal of them should be QToolBar icon size. Feb 2, 2018 · The buttons are designed to handle icons like show in the documentation, a background image as the name suggests will be put in the image as background of the widget. background-color: yellow; Feb 6, 2018 · @mrjj It doesn't work with a large image that needs to be scaled down to the group box size, and it also doesn't scale when I resize the window. An arbitrary widget's effective style sheet is obtained by merging the style sheets set on the widget's ancestors (parent, grandparent, etc. jpg) 0 0 0 0; stretch stretch; opacity: 50; background-repeat: no-repeat; background-position: center;"); But the opacity and stretching seems not to work. The check box widget will be driven by the size of the group box you have placed it in. Apr 20, 2010 · It looks like you have to style the icon size, the alignment, and the text alignment so everything lays out correctly. Expanding tabs: #include <QtGui>. See second example code below. The command takes two arguments. The background of any QAbstractScrollArea (Item views, QTextEdit and QTextBrowser) can be set using the background properties. #4. Method #1 : Changing the size of Apr 8, 2023 · Styling :button flattens the button. When conflicts arise, the widget's own style sheet is Dec 6, 2022 · There are two ways to do this :-> Change the size of Push Button according to the size of image. My stylesheet is: Qt Style Sheet is generally case insensitive (i. // Sets the style sheet of the QTabWidget to expand the tabs. Sep 10, 2009 · This tutorial assumes that you can get around in Qt Designer, and that you understand a little about Qt layouts. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1. A background-image does not scale with the size of the widget. png); I made a new . There is a big problem with stylesheets. 13. CSS, and QSS (Qt Stylesheet), depends on the order of declarations. The size of the checkable part of the widget is styled using the indicator subcontrol: @. png , where the folder "images" resides next to your exe. background-color: rgb (230, 230, 230); border: 1px solid white; border-right: 2px solid rgb (127, 127, 127); border-bottom: 2px solid rgb (127, 127, 127); Jun 1, 2021 · You are on the right track. Sep 14, 2015 · ui->treeWidget->setIndentation (64); One can controls the branch size to some degree. QCheckBox checkbox ("Eyes:"); checkbox. While I've figured out how to use style sheets to have a custom icon drawn where the handle should be, the image is being drawn much too small and I cannot figure out how to make it larger. For example, QSS supports the box model but doesn’t support the flexbox and grid layouts. scaledToHeight(height, Qt::SmoothTransformation); Oct 16, 2013 · I don't think you can mess with the borders or padding without affecting the widget's default size. I. It is even shorter as it doesn't use a child QLabel. * Returns false if image loading failed. However, QSS supports only a limited number of rules in comparison with CSS. qrc file, added img. How do I increase the height of this slider's handle: As shown here: Is subclassing QAbstractSlider the only way? Here is the stylesheet from my code: QSlider::groove:horizontal {. Qt CSS syntax allows you to select children for the CSS rules ( Qt doc ), but it is based on the parentship of QObjects not in which class contains pointers to the QLabel. I did it the same way: border: 0px; padding: 2px; padding: 4px; When the border is increased (instead of 0) and a margin is set instead of padding you can see the resize effect applyed to Feb 6, 2018 · @mrjj It doesn't work with a large image that needs to be scaled down to the group box size, and it also doesn't scale when I resize the window. #5. g. -> Instead of using background image use image as a skin. Simply use the second line of code to set to the child, and no previous properties will be lost. wrote on 15 Sep 2015, 01:51. There is one option I found just now - a different option for subcontrol-origin:: QGroupBox::title {. Give your form about 30 pixels of layout May 27, 2021 · there is no conversion for QIcon type via stylesheets properties. qss: QCheckBox::indicator:checked {. Setting the image property on sub controls implicitly sets the width and height of the sub-control (unless the image in a SVG). replied to mrjj on last edited by. But you can't fetch them from the stylesheet neither, so you have to Feb 6, 2018 · @mrjj It doesn't work with a large image that needs to be scaled down to the group box size, and it also doesn't scale when I resize the window. Yo ucan create a custom QString-typed QProperty and "forward" it to the QPushButton's icon property. The problem is the image is High res , and only the upper left part of it is showing , I can't get it to scale down to fit. You can use background-repeat and background-origin to control the repetition and origin of the background image. 0. Aug 27, 2020 · arg (radius)); t . Apr 10, 2019 · I'm using QT Designer. 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. Later declarations with the same specificity will overwrite previous declarations. The \inlineimage command expands to the image specified by its argument. Jan 13, 2022 · the size is fixed and based on the "pixel" size; text elision is automatically disabled (at least with QHeaderView and with normal styles); This brings us to an important aspect: stylesheets must be used with care (and the only way to be aware of that is experience and studying of the sources). 4- Change its size (height and width) Jan 17, 2017 · As default, Qt uses a very simple, quick and ugly way of scaling images, Qt::FastTransformation, probably a nearest neighbor interpolation or something very similar. toolBar->setIconSize(QSize(100, 100)); instead of button icon size changing. The code below shows an additional May 24, 2016 · Use the following code in stylesheet: qproperty-iconSize: 24px; edited May 31, 2018 at 7:55. I'm trying to add some style to a QSlider I want to use a custom image as the handle that the user drags back and forth. 2) The style-sheet way (and in my opinion superior way) is to setup some style sheets for your widgets. 1,250 2 21 38. 每次根据Qt文档说明使用border-image美化界面时，经常因为忘了设置border属性导至有边框的背景图片产生伸缩的细节问题。. Apr 24, 2013 · Is it possible to stretch the background image. #frame1 {border-radius: 15px; border: 3px solid white;} When I try to use some different border properties that I'm reading in the docs, such as this, I can't see a border. Add your image to resources (. edited Jan 15, 2014 at 10:21. QPushButton#pushButton {. Last reply. When setting the border to 0px it seems that the whole style of the combo box arrow gets replaced. There are two things you should modify: Set the scaled content to true (mentioned above) Set the label's size policy to ignored. Setting a Stylesheet The stylesheet editor can be accessed by right-clicking a widget and selecting Change styleSheet Cascading. You can use the layouts' spacing options (see QLayout::setContentsMargin ()) to add some spacing around your widgets. (I tested this using the preview mode in Qt Designer). Feb 6, 2018 · Stylesheet: background-image size relative to widget while keeping aspect ratio. Here the image gets stretched for the screen but a button with another image is loaded along with the Main screen image: Dec 7, 2017 · 6. The image is rendered inline with the rest of the text. May 13, 2013 · Is there any way to define a fit-to-content background-image in stylesheet? Such as if the host widget is 40x40 and the images is 100x100 it will not be clipped but rather scaled to fit the 40x40 area. Since Qt 4. 15. I'm trying to set an icon's size on a QPushButton through Stylesheets. Chris Kawa Lifetime Qt Champion. It correctly colors all my QMenu's, but it also causes all my indicators (checked QMenu items) to have a checkered background, as if they are transparent. For example, to set a background-image that scrolls with the scroll bar: Mar 1, 2017 · So, I found a way to do what I wanted, creating 2 different JPG images and setting each one to appear as the border-image in normal state and pressed state of the QPushButton, adding the following lines to the button's stylesheet: Jan 24, 2014 · 5. 2 and allow you to assign property values to QObject s for properties that do not exist at compile time. I'm using stylesheets to customize the appearance of one of my Qt apps (pyqt actually, but just the same). 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. If you set the sizes through the style sheet by setting max and min values the same (fixed size) or whatever, and then you try to fetch them using size () on the widget, if the widget has never been shown the sizes you get are weird. Your style sheet should be enclosed in curly brackets as follows: QFrame {. In addition, style sheets can be used to provide a distinctive look and feel for your application, without having to subclass QStyle. Using QT Designer, I have a QPushButton Stylesheet: background-image size relative to widget while keeping aspect ratio This topic has been deleted. Reply Quote 0 1 Reply Last reply . Jan 15, 2014 · button1->setIconSize(QSize(100, 100)); If your button lays on the toolbar then use. png. 1 Reply Last reply Reply Quote 0 mrjj Lifetime Qt Champion @qwasder85 last edited by Jun 26, 2019 · So I added a background image and I want it to be stretchy with no repeat and with a little opacity. Only users with topic management privileges can see it. 6. This is my code, based on this suggestion. 3- Make the font bigger/smaller. Nov 22, 2021 · As you can see, there is no rect box around of v check mark. Qt Style Sheets. e. I've been trying to get something that works using QSS, but have thus far been defeated. #3. 8. png , you could have . Aug 15, 2013 · padding: 2px; padding: 4px; the image gets resized (because padding changed). I'm working with Qt 4. Mar 8, 2017 · Adding padding erases the line, so it is not what I want. Then refer to it in your stylesheet: background-image: url(:/Style/img. Aug 21, 2018 · I'm trying to add some style to a QSlider I want to use a custom image as the handle that the user drags back and forth. Add Label (a QLabel) to the dialog where you want to show the image. Second (change all selected widget): Use the property window, mark all widget you want to change, click of the of the styleSheetrow. From the docs: If this property is not specified, the minimum width is derived based on the widget's contents and the style. necessary to set the background to transparent else I see the default. 2, wherein we are using stylesheet file to set background image for QLabel using "background-image" property in stylesheet. ej bu cg em gg mi xn af rm dm