Qwidget border radius. Supports the :default, :flat, :checked pseudo states.

Dec 5, 2019 · If you zoom in on the widget you'll see the borders are not rounded perfectly and a kind of square shape seems to appear visible on them. We can use rich text formatting. is this a known issue? A . Nov 20, 2020 · 1. #include <QtWidgets>. The render method seems to ignore the " border-radius: 18px;" field of the stylesheet, I have tried to save the QPixmap to a file: pixmap. Hi, AFAIK this wont work for a top level window. This->setstylesheet ("qwidget {border-top-left-radius:15px;border-top-right-radius:5px;}")); The main use of the Border-radius property, with regard to this property, is that the optional style has. import json. Learn how to use Tailwind CSS border radius utilities to create rounded corners, circular shapes, and custom curves for your elements. See also radius, topLeftRadius, topRightRadius, and bottomLeftRadius. DockDrop import DockDrop For example, we change the border to grey and the chunk to cerulean. Which may be good or bad. 一、QSS语法声明-边框的圆角设置 边框的圆角设置中注意半径（radius）的概念，半径是设置边框圆角大小的唯一参数 1. Here is a modified version of your Example using style-sheets + custom flags (no frame May 24, 2020 · QRegion ::QRegion (const QRect &r, QRegion::RegionType t = Rectangle) This is an overloaded function. drawRoundedRect(self. Of course, I could change the stylesheet for both, but ideally I'd like to keep the QTreeWidget's border style. Set the label text as ‘Red’, ‘Green’, ‘Blue’. Here is the code I have written so far: app = QApplication(sys. QRegion maskedRegion( width () / 2 - side / 2, height () / 2 - side / 2, side, side, QRegion::Ellipse); setMask(maskedRegion); It cannot be done with QSS for top level windows. How can I disable antialiasing to have sharp edges? Sep 12, 2014 · p3c0 Moderators. Dec 27, 2013 · Change 10 for the value you like between 0 and 255. 2 See the border-radius in List of Properties chapter. The transparent parts would need to ignore mouse events. QMainWindow): def __init__(self, parent=None): Jul 28, 2012 · You can accomplish the rounded corners on each widget via border-radius. Is there some way to do this from C++ without affecting any of it's children and their settings and positions? I don't want to use stylesheets and it needs to work with any system style. This is used to set a single radius for the corners. import os. rect(), 100. int main(int argc, char *argv[]) Dec 23, 2020 · Single linear animation of a widget. 最后发现，我border-radius圆角的大小超过了按钮的大小，因为我的按钮大小是29*29，而border Jan 5, 2021 · I cannot comment on the paintEvent functionality, but it is possible to implement rounded corners using style-sheets. border-radius property doesn't support QtMainWindow. Eventually, I failed to create a mere empty frame, like demonstrated in Qt documentation (see table in a middle of the page). A background-image does not scale with the size of the widget. Example: Jun 26, 2021 · Hi everyone, how is it possible to make rounded edges for QMainWindow? I use QSS, specifically: border: 1px solid black; border-radius: 10px; I want to do Note: This API is considered tech preview and may change or be removed in future versions of Qt. border-radius:10px; -moz-border-radius:10px; -webkit-border-radius:10px; } For the different background colors, you'll have to target each widget individually and specify a color for them in your style sheet. class Thread(QThread): Feb 12, 2016 · 0. import warnings from. add (QWidgetItem Jul 17, 2013 · I have a QWidget class which will be added to a mainWindow. horizontal has been used to add a border around the corners. the top-left and bottom,-left) a radius of 15 pixels and the right property is holding Radius. "Lay Out in a Grid"). 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. If either length is zero, the corner is square, not rounded. Option 1: make 3D view child of a QFrame and change the border style. Here is one way to do this. To provide a "skin" or background that scales along with the widget size, one must use border-image. png) Its name is gui but neither border nor background are shown. from PyQt5 import QtCore, QtGui, QtWidgets. To add a border to a QWidget in PyQt5, you can use paintEvent function and apply a QPainterPath to draw a rectangle around the widget. Shows in Qt creator, doesn't show when I compile. 2. I tried with StyleSheet but it is not working. The tooltips are always in rectangle with straight corners. QcustomPlot is promoted from QWidget. Select the border widget. Qt. class MyWidget(QWidget): def __init__(self): Mar 19, 2017 · I have QWidget instance (with other QWidgets inside) in Qt 5. /back. Select the border widget and set it's layout (e. ( the 20px is just for easy identification for demo) However, I also need to have a separator line between combobox items. Detailed Description. For QPushButton with a menu, the menu indicator is styled using the ::menu-indicator subcontrol. The first picture illustrates this at a scale of 1:1. 4 days ago · The border-radius property is specified as: one, two, three, or four <length> or <percentage> values. Sep 23, 2022 · Explanation: Here BorderRadius. circular(15), which gives the left side of the border (i. The problem is I want to put a border on it and have the border not be around all of the QLabel instances. height()-10) is it this black magic causing this QPainter::begin: A paint device can only be painted by one painter at a May 12, 2021 · I already tried to include it in the stylesheet with QLabel{border-radius : 5px;} But i keep getting the same Result Here's the code i wrote to generate that window : userPreview::userPreview(QString 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. (self, widget: QWidget, position: Position): self. Look at the Android App icon and iOS borders. QLineEdit { border-width: 1px; border-style: solid; border-radius: 4px; } See also border-width and The Box Model. It should look like this: const int radius = 7; QPainterPath path; path. widget {. A window pops up, I write code in it, hit "apply". Use setStyleSheet () method to make the font red, the border line solid with 2px weights, the border color as #FA8072 and round the corner as much as 3px. setAttribute (Qt::WA_TranslucentBackground); setWindowFlags (Qt::FramelessWindowHint); Jun 26, 2021 · the main thing is they use a mask. It works if your widget is static, but if you want to resize it and still have rounded corners, there is the paintEvent method you need to override. Hi! I am trying to create a QTooltip with rounded corners with PySide 6. If the rectangle is invalid a null region will be created. See also initFrom(). See also OptionType. 0, 100. @. It puts the delay operation into the sub-thread to realize the real-time UI refresh of PyQt. Equivalent to specifying border-top-left-radius, border-top-right-radius, border-bottom-right-radius, and border-bottom-left-radius. Here is my code to set the style sheet. The default color is white. Another way is to specifically the objectName of the widget you are applying the style to. toPolygon()); Dec 15, 2015 · To OS, by default a window is a rectangle, no matter how you paint it, and stylesheets are just a way to paint it. int QStyleOption:: version. MainWindow. Provide a property name here b"pos" (must be specified as bytes b"value") [Optional] the start value. Dec 14, 2021 · wrote on 13 Dec 2021, 23:57. For example: Dec 23, 2021 · The widget we built used a combination of layouts, nested widgets and a simple QPainter canvas to create a customized widget you can drop into any application. sleep(). g. setFont(QFont('SansSerif', 10)) This static method sets a font used to render tooltips. The border-radius clips the element's background. . Aug 27, 2018 · 1. How can I make the border of QLabel look like the border of QTreeWidget? May 29, 2018 · I have a Qt QWidget with a border set up like so: setStyleSheet( QString( "QWidget { border: 3px solid white; border-radius: 16px;}") ); The border has an antialiasing effect which looks like there is a fuzzy edge with an interpolation between the border color and the application background color. drawEllipse(10,10,self. First, we would use the following application-wide style sheet: *[mandatoryField="true"] { background-color: yellow } Aug 23, 2017 · I want to do a gradient rounded border, for example going from blue on the left side to red on the right side: result wanted. The QPushButton has the correct round border when shown by the application. In the above piece of code, we use the setStyleSheet() method Border Layout Example. QWidget#myWidget { background-color: #ffbb33; border-radius: 20px; } I wanted to animate this QWidget to show it popping up from the bottom of the screen to notify the user, but found that when the height of the widget is less than the border radius, the rounded edges jarringly disappear. In your theme's style sheet, add: . Select the frame widget and set it's layout (e. I've set the stylesheet of a QWidget to change the borders and the background, border: 4px inset #515c84; border-radius: 9px; background-image: url(. Or surrounding the frameless window with an image. I've applied the style to it as shown below. [evidence1]Qt Style Sheet Reference|Qt Widgets 6. color:"blue". If you just want round buttons (not round rectangle buttons) replace btnPaint. Box { border: 1px solid grey; } The latter is easier, in my opinion, as it doesn't require the use of id names. Mar 23, 2020 · border: 2px solid #00a6ce; border-radius: 15px; This works fine for the frame but not for the layout. Inside the BorderRadius. It's pretty hard to google that so i'm coming up short. I'm using style sheet: "padding: 10px;" "border-style: solid;" "border-width: 3px;" "border-radius: 7px;" "min-width: %1px;" "max-width: %2px;" But here's the problem: this style is applied to both QLabels and completely breaks the layout. Sep 10, 2015 · My second idea was to make the window fully transparent (with setWindowOpacity ), and then add an additional widget with rounded corners (since border-radius works on the children), and then group all my other widgets into that widget. you are creating a QMainWindow ( VideoWindow) which you're not using. top. I only need the outer window to have the border, not the labels. class MyWin(QtWidgets. import PyQt5. width:2 or border. Jun 13, 2019 · Borders corners are cut Fixed with QTabWidget { padding: 2px; selection-background-color: $COLOR_BACKGROUND_NORMAL; QWidget { border-radius: $SIZE_BORDER_RADIUS; } Feb 18, 2011 · Do I need to use BorderImage and make a image containing a borde to specify left,top,right and bottom border width? I would prefer to just set the borders with something like this, border. jpg') radius = 30. Apr 18, 2015 · border: 3px solid gray; border-radius: 40px ; background: yellow; } In Qt creator in the top right corner I go to MainWindow, right click on it, use change stylesheet. Jul 23, 2013 · In Qt you can use CSS stylesheets to give a QWidget a rounded corner:. Something like: auto frame = new QWidget(parent, Qt::Popup); frame->setStyleSheet("background-color: red; border: 1px solid green; border-radius: 6px;"); QPainterPath path; Aug 30, 2020 · 2. pixmap = QtGui. Dock. What it does is specify that only instances of QWidget itself will be selected, as opposed to sub-classes of QWidget . int QStyleOption:: type. save("test. QGraphicsView() Apr 16, 2013 · I've implemented a custom titlebar using QToolBar. Supports the :default, :flat, :checked pseudo states. Qt import QtCore, QtGui, QtWidgets from. Aug 31, 2011 · Get started with $200 in free credit! You can give any element “rounded corners” by applying a border-radius through CSS. Jul 7, 2014 · 1. To cut out the corners you would need a mask. As an alternative you can add a QWidget to the Window and set radius from the stylesheet to this QWidget and also need. Searched online and cannot find a clear and direct answer. Aug 4, 2018 · I have been searching for this answer for quite awhile actually and I have seen other posts in the past asking the same thing but I never came across any good answers. For example, we change the border to grey and the chunk to cerulean. Tried to create a class Button with setStyleSheet in __init__ and create an object. A handy way to customize the look and feel of PyQt widgets is to use CSS style sheets. Jul 7, 2020 · The issue here is that the QWidget class does not support the border property (see this answer and the Qt stylesheet documentation directly ). border-top-right-radius: Radius: The radius of the border's top-right corner. There will be some buttons, label on this widget. QToolTip { border-radius: 6px ;} I haven't found a proper solution for this problem. . setToolTip('This is a <b>QWidget</b> widget') To create a tooltip, we call the setTooltip function. First, using the Setstylesheet method. This property was introduced in Qt 6. It turns out this is very easy to implement using Qt Style Sheets. My widget is then rendered over the border-radius, which is ugly. and then change the state of the button to make a down/up button state. ToneWidget::ToneWidget (QWidget* parent) : QWidget (parent) {. 0) for btnPaint. Sep 30, 2018 · You have to draw on top of the QFrame, the rectangle inside the edge you get through contentsRect (). ui and put the following : border-radius: 30px ; background-color: rgb ( 0, 255, 255 ); Oct 19, 2019 · This is using the image property to overlay a transparent, scalable SVG of the brackets. 8 and I want to set some border around it. 4. QtWidgets import QWidget, QApplication, QFrame. # create empty pixmap of same size as original. 4 months ago. that controls that. 一、使用qss实现很重要的两点: 1. Option 2: make 3D view child of a QWidget and change the background color. However, when I add a border to the window trough a style sheet, the border doesn't show on the edges like shown here. ledindicator. child. Here are the rules: Four values - border-radius: 15px 50px 30px 5px; (first value applies to top-left corner, second value applies to top-right corner, third value applies to bottom-right corner, and fourth value applies to bottom Aug 18, 2019 · I made a frameless window and added a function to round the edges. setStyleSheet("border-radius To be more precise I could have used: QWidget#idName { border: 1px solid grey; } or. 3. QWidget ::setMask (const QRegion &region) This is an overloaded function. Compare the different classes and values for different levels of border radius, and see examples of how to apply them to your design. I opened the StyleSheet of the QCustomPlot from thei mainwindow. I want to make my QCustomPlot graph with rounded corners. e not having any curves, but also we can use makes curves by setting border-radius. setStyleSheet ("QToolTip {font-size:12pt; color:white; padding:2px; border-width:2px; border-style:solid; border-radius:4px }");@. element { border-radius: 10px; } Jul 12, 2014 · wrote on 12 Jul 2014, 09:51. this->setStyleSheet("background: #646464; border: 0px; border-top-left-radius: 10px; border-top-right-radius: 10px;"); Now I got the rounded edges, but the left-over part after the border-radius is still visible. you are adding the video widget as a child of a QWidget, and setting the same geometry for the QMainWindow, the QWidget and the QVideoWidget; how would you expect to have a border, if they Jun 23, 2021 · In this tutorial we'll look at how you can use Qt's QPropertyAnimation to enhance your custom widgets with visual effects and animations. For instance, if the element has a background-color or border that is different than the element it’s above. 重写PaintEvent，对于我们自己定制的继承QWidget的类如果不重写PaintEvent的话，它只 Mar 14, 2023 · I use QCustomPlot library to draw a graph in my application. This variable holds the option type of the style option. This will Sep 8, 2011 · According to the stylesheet documentation, QWidget does not support the border property (but it seems to have changed since this answer was originally published, in 2011). widgets. There are many issues and misconceptions in your code, which is also very confusing. Jun 9, 2022 · border: 2px solid black; border-radius: 20px; but there seems to be a graphical glitch where the bar does not round and the text is misaligned. Are there any nice rounded borders? In the framework of PyQt5, of course, we can also make the same nice rounded border. So, I choose QGraphicsDropShadowEffect and added as an graphic effect. Sep 30, 2021 · So, I want the label to be quite raised. 7. border-top-left-radius: Radius: The radius of the border's top-left corner. Go to the Layout section in the Property Editor. May 20, 2020 · I would like to have a rounded rectangle shape of the popup by combobox, which is easy to implement as I add a "border-radius: 20px" to QAbastractItemView. If the second value is omitted, it is copied from the first. WA_TranslucentBackground, True) in the constructor, I am left with this border around the window: This is the stylesheet for the main window. So, here is the stylesheet applied to a QPushButton: white; 30px; solid; 10px; qlineargradient(x1:0, y1:0, x2:1, y2:0, stop: 0 blue, stop: 1 red) red. The widget is the atom of the user interface: it receives mouse, keyboard and other events from the window system, and paints a representation of itself on the screen. Is it true, that I, oh-ah, just have do like that: @ class customWidget : public QAbstractSrollArea {// all the mess with painting}; @ Hmm? Nov 27, 2023 · Next, we set a fixed size of 28 by 28 pixels for the three buttons using the setFixedSize() method with a QSize object as an argument. However after applying both setWindowFlags (QtCore. add (QWidgetItem May 23, 2011 · The color and padding are all OK, but the border-radius doesn't work. (There is often per default a border around child layout of QWidget which you even may adjust to your needs. In this article, we will see how to make different types of curves for different corners. Example: from PySide2 import QtCore, QtGui, QtWidgets. color : color. widget. The default value is SO_Default. border-bottom-right-radius: Radius: The radius of the border's bottom-right CSS Syntax. setStyleSheet(""" QWidget { border: 20px solid black; border-radius: 10px; background-color: rgb(255, 255, 255); } """) The dot-selector in your example is redundant. I define the next style sheet, it works fine in both objects: border: 4px solid #f5f5f5; /* fix to simulate margin between this :title and tabs */ /* same as main background color */ border-radius: 6px; /* bigger than normal due to previous border fix */ padding: 4px 0px; /* also needed because of previous border fix */ Oct 30, 2011 · Drag and drop the text widget onto the border widget. dockarea. I am trying to create a bouding frame for a set of widgets using QFrame. The setFrameStyle (), setLineWidth (), and setLineWidth () methods do it in the constructor since you will call it only once. import sys. #2. self. FramelessWindowHint), setAttribute (QtCore. I have tried them, they don't work like I want to. This is used to set an additional radius, so you can have elliptical corners. The QFrame itself is created no problem, but apparently the style fails to apply, and hence the widget is not visible. e. width()-10, self. This property holds the color used to fill the rectangle. I have built a custom widget that inherits from QWidget. To create an animation using QPropertyAnimation you need to provide the following --. Appearance of checkable push buttons can be customized using the :open and :closed pseudo-states. here's my code so far. #ifndef LEDINDICATOR_H #define LEDINDICATOR_H #include <QFrame> class LedIndicator : public QFrame { Q . From my observation, Qt provides three methods - fillRect and drawRect and drawRoundedRect. The second picture shows a closer view on the QFrame widget. I want to have a border on it and to let user know the area of this widget. Jun 4, 2020 · 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 Aug 24, 2023 · In this example, we show a tooltip for two PyQt5 widgets. ) // Requires Qt svg module, as in `QT += svg`. Does QToolTip support "border-radius Jun 23, 2021 · Single linear animation of a widget. VerticalLabel import VerticalLabel from. h. Sep 10, 2015 · If so, try this: this->setWindowFlags(this->windowFlags() | Qt::FramelessWindowHint); this->setAttribute(Qt::WA_TranslucentBackground); Replace this by your instantiated QMenu object. from pyto import *. Border Layout implements a layout that arranges child widgets to surround the main area. argv) widget = QWidget() textLabel = QLabel(widget) Aug 9, 2016 · 文章浏览阅读10w+次，点赞33次，收藏123次。在使用Qt开发过程中，QWidget作为常用的显示控件经常被用到，但默认的QWidget是不带边框的，有时候我们需要Widget显示边框看起来更有效果些，那么如何设置QWidget的边框呢，设置QWidget边框有多种方式，本篇介绍两种：1）使用QPainter在paintEvent事件处理函数中 Oct 25, 2011 · I want to set a border for this whole widget. 0. 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 My custom widget is placed inside qscrollarea, which in turn has a stylesheet, specifying border-raduis. I managed to get a nice circular button with not so much code. Here is the constructor of my custom button: Button::Button(Type t, QWidget *parent) : QPushButton(parent) {. You can use background-repeat and background-origin to control the repetition and origin of the background image. But, I can only see the box shadow on only two sides, bottom and right. view = QtWidgets. toFillPolygon(). But that does not work since setWindowOpacity affects all children as well (I haven't found a way to change Feb 15, 2023 · It is not possible to apply the border-radius property of QSS (Qt style Sheets) to QMainWindow. Jun 16, 2017 · I noticed different border styles for QTreeWidget and QLabel - even if I try to adjust the stylesheet. Since 5. Outside such custom Windows, it's not really possible to alter how Windows looks like as it's the OS. Tip: This property allows you to add rounded corners to elements! This property can have from one to four values. Make lbl_blue label font blue, background color The radius of the border's corners. In this tutorial we'll look at how you can use Qt's QPropertyAnimation to enhance your custom QProgressBar example. circular(30), which in turn gives the right portion of the border a Aug 25, 2014 · I have tried creating a smooth rounded corners of a widget using method described below: Create a widget with Qt::Window | Qt::FramelessWindowHint and Qt::WA_TranslucentBackground flag; Create a QFrame inside of a widget; Set a stylesheel to QFrame, for example: border: 1px solid red; border-radius: 20px; i'm placing the label in one of QStackedWidget's widget, which is a member in a QWidget subclass, and on that subclass i set style sheet too. QtCore import Qt. Follow these steps: Step 1: Implement the paintEvent function in the widget class where the border is required. Aug 23, 2021 · I wonder if you are tired of the unchanging right-angle border window? At least, I'm sure I don't feel so interesting about the right-angled border interface. Shows how to arrange child widgets along a border. ui file if needed, could be easily replicated by dragging a progress bar in designer and using the stylesheet above. The custom animated toggle checkbox in action. We use a 10pt SansSerif font. horizontal widget the left property is holding Radius. If your widget is a container of other widgets, then you should use QFrame, as it will allow you to call setFrameStyle and setLineWidth. ) Option 3: just paint a border in the paintEvent() of your 3D view widget. Of course, you could also use setMask to hide the required region. You’ll only notice if there is a color change involved. However, if you put a second group box inside this one, the style will propagate to this one as well. 今天在用Qt做练习的时候发现，Qt的样式表设置QPushButton为border-radius:15px;无效，尝试了好多种网上的其他方法，都没用。 最后发现，我border-radius圆角的大小超过了按钮的大小，因为我的按钮大小是29*29，而border-radius：14px的话，是每个角都要弯曲，所以是 14+14还要 Border Layout implements a layout that arranges child widgets to surround the main area. i thought that was the problem, but i added the border-radius part to that style sheet and it still doesn't work Jan 19, 2018 · Qt中设置圆角边框很方便，这里我们介绍使用qss (setStyleSheet方法)和重写PainteEvent的方式来实现圆角边框。. This works by drawing a rounded rect on an initially transparent pixmap using the original pixmap as the brush for the painter. Some qmenu attributes have to be modified in order to disable the default rectangle in the background, which gave you the unwanted result. border-bottom-left-radius: length | % [ length | % ]|initial|inherit; Note: If you set two values, the first one is for the bottom border, and the second one for the left border. addRoundedRect(rect(), radius, radius); QRegion mask = QRegion(path. This variable holds the version of the style option Mar 22, 2015 · I want to draw a rectangle with rounded corners (border radius same for all 4 corners) with a specific color filling the entire rectangle, and a separate border color (say border is 1 px wide). Aug 12, 2019 · QFrame border is not displayed. 基本概念 &#39;&#39;&#39;边框圆角 border-radius border-top-left-radius border-top-right-radius bor Source code for pyqtgraph. (Note that for the CSS to even apply to a button, the native border may need to be overridden like I have in the example. import platform. @app. wrote on 12 Sep 2014, 03:06. The declaration of the BorderLayout class is quoted at the end of Mar 26, 2020 · PyQt5 – Different border corner of Label. followed optionally by "/" and one, two, three, or four <length> or <percentage> values. Every widget is rectangular, and they are sorted in a Z-order. But that just scratched the surface of what is possible with custom widgets in PyQt6. setIcon(getIcon(t)); resize(30,30); setMouseTracking(true); // here I apply a centered mask and 2 pixels bigger than the button. The constructor of the Window class creates a QTextBrowser object, to which a BorderLayout named layout is added. anybody here can help me with this? Or the border belongs to layout? Apr 18, 2021 · I have created a frameless window with a border radius in pyqt. Second (change all selected widget): Use the property window, mark all widget you want to change, click of the of the styleSheetrow. Because the thread is doing the QProgressBar update, it doesn’t cause the main thread to hang. #1. png"); but the saved image is a rectangle, with no round border. 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. label = QtWidgets. I want to add shadow to other two sides as well. from PyQt5. 今天在用Qt做练习的时候发现，Qt的样式表设置QPushButton为border-radius:15px;无效，尝试了好多种网上的其他方法，都没用。. Jan 31, 2014 · QGroupBox { border: 2px solid gray; border-radius: 3px; } This style sheet will only be set on Group boxes. The built-in styles support the following types: QWidget, QGraphicsObject and QQuickItem. 设置属性:setAttribute (Qt::WA_TranslucentBackground);2. However, in this style sheet the object I want to modify is not define so, I supose, the Layout defined inside this frame, inherit the same style. Create a region based on the rectange r with region type t. Qt在设置窗口边框圆角时有两种方式，一种是设置样式，另一种是在paintEvent事件中绘制窗口。下面分别叙述用这两种方式来实现窗口边框圆角的效果。 一、使用setStyleSheet方法 this-&gt;setStyleSheet(“QWidget{border-top-left-radius: The widget is the atom of the user interface: it receives mouse, keyboard and other events from the window system, and paints a representation of itself on the screen. The following describes the effect of using these two methods to achieve the window border rounded corners. Our main goal in this section is to create a custom title bar. Similarly, make the lbl_green label font green and the background color #7FFFD4. It is composed of a bunch of QLabels and it's purpose is ontl to display information. I want to change border radius of my PushButton lesson1. That being said, changing the QWidget to a QFrame does the trick: import sys. We can make borders to a label using setStyleSheet() method but default borders have right angles at the corners i. This example uses the time module in python to do the delay operation time. QLabel() # original. A widget is clipped by its parent and by the widgets in front of it. QToolTip. SGaist Lifetime Qt Champion. QPixmap('example. Mar 21, 2023 · 关于Qt的Qss样式设置border-radius无效的解决方法！. 15, the icon property can be set to override the button icon. tell the QPropertyAnimation which object we want to animate, here self. zx kp bt nh pi mh wv ps vn pe