Apr 3, 2019 · 2. 15 under Windows): With this program, I create a list and add 3 items. ui in the project tree displayed by Qt Creator. QLabel is used for displaying text or an image. ), as well as any style sheet set on the QApplication. Mar 22, 2016 · 48. It is optimized to handle large documents and to respond quickly to user input. Set its gradient correctly and then do the following. You can select the font family and size. I have put a label for display the entered number and answer so I want to change the color of this label. while, by default, the popup is a QListView, that can be overridden with setView() using any subclass of QAbstractItemView; 2. Jan 22, 2015 · 3. ui->comboBox->setStyleSheet(" background-color: rgb ( 0, 0, 0) ; color: rgb ( 0, 152, 152 );"); That doesn't help, i've tried to put that on the index change signal /slot but didn't work. warning->setStyleSheet("font-weight: bold; color: red"); Qt supports most CSS styles on its QWidget -derived classes. 42. Note that since the components are stored using 16-bit integers, there might be minor deviations between the values set using, for example, setRgbF() and the values returned by the getRgbF() function due to rounding. menuBar() mainMenu. See QAbsractScrollArea to style scrollable backgrounds. I was searching through source code which widget is used for title bar but found nothing. I would like to do the same in QT in QLineEdit. select your QPushButton in the GUI editor. setColor' type method. For user interface design with Qt Quick, see Qt Design Studio. This background can be different from Window as some styles require a different background color for buttons. A paragraph is a formatted string which is word-wrapped to fit into the width of the widget. One solution would be using this: #MainWindow{ background-color: #334422; } #first_label{ background-color: #334422; } #second_label{ background-color: #334422; } But it is not scalable, what if I want to change that color again? By default, labels display left-aligned, vertically-centered text and images, where any tabs in the text to be displayed are automatically expanded. setWindowFlags(QtCore. The Material style fills the background with the accent color and makes the text light: Button {. QTableWidget::item { color: red; } Apr 10, 2019 · I'm using QT Designer. With that in mind, I would like all my labels, text, etc, to be white by default. Simply add a stylesheet to the qbushbutton itself or to his parent qwidget: qwidget. Select Layout > Fill to Parent to anchor the text to the whole button area. It seems there are some oddities like this in the stylesheet and palette system so keep your eyes out for them and try a few different things (i. Style sheets can be set on the QApplication, on parent widgets, and on child widgets. that the QGroupBox::title doesn't support font properties, so you CAN'T set the title font that way. Let's say I have a GUI that has a menu bar. h". Note. 8, you can use a QIdentityProxyModel: Feb 8, 2011 · 4. However, the look of a QLabel can be adjusted and fine-tuned in several ways. QPalette p = lineEdit->palette(); p. Feb 8, 2017 · In Qt Designer, click on the window somewhere so that it's the current object, go to palette about 1/3 the way down in the Property Editor and "window text" is right at the top. When the widget-style font and palette propagation is enabled, font and palette changes made through Qt Style Sheets will behave as if the user had manually called the corresponding QWidget::setPalette () and QWidget::setFont () methods on all of the QWidgets targeted by the style sheet. click on the three dots ( ) : this will bring a stylesheet editor. This technique relies on the absence of an id in the style's implementation of that item. Aside from it looking weird, I'd like to closely emulate Mac's native look. To create a color scheme: Select Preferences > Text Editor > Font & Colors > Copy. label -> setGeometry(QRect(QPoint(75,25),QSize(50,200))); please help. 04) and I was able to change the text color of all items with a stylesheet but I cannot figure out how to change the text color of one specified item. Unlike palette fiddling, style sheets offer guarantees: If you set the background color of a QPushButton to be red, you can be assured that the button will have a red background in all styles, on all platforms. The :top, :left, :right, :bottom pseudo states depending on the area in which the tool bar is grouped. Font name it can be ‘Arial’, ‘Times’ etc. You can apply via widget->setStyleSheet() Feb 5, 2010 · Does color temperature limit how much a laser of a given wavelength can heat a target? Wikipedia states that the relativistic Doppler effect is the same whether it is the source or the receiver that is stationary. Some people said, that can get my adding style sheet in Qt-Designer. I find that QTextEdit have what I would like: edit->setTextColor(Qt::red); May 18, 2010 · 42. You can select the text color in the Text color field and the font, size, and style in the Font section. QPalette. Feb 10, 2014 · Once you've defined the QSS of interest as a string, you then set the QSS on the widget in question using the setStyleSheet method. My Solution: from PyQt4 import QtGui. Select OK to save the fonts. Is there an easy way to do that with stylesheet? I have not found anything related to color with "font" attribute. QFont::System: 4: the font matcher prefers system fonts. #include <QtGui/QPalette>. 3. h you will find : private : QRadioButton MyButton; private slots: void changeColorMyButton (); and in your . Essentially, you just need to change the stylesheet correctly. What you have to do is reimplement QAbstractTableModel::headerData() . various aspects of the OS. FramelessWindowHint) self. ui file is open, then this option is greyed out); there click the + ("Add font file"), find the . g. You don't need to set the text format to Qt::RichText for this to work. Aug 8, 2020 · 27. I did not find 'font. MyProgressBar::MyProgressBar(QWidget *parent) : Mar 26, 2020 · In order to add border to the Label we will use label. Code May 15, 2011 · Unlike palette fiddling, style sheets offer guarantees: If you set the background color of a QPushButton to be red, you can be assured that the button will have a red background in all styles, on all platforms. Then, I try to change the ForegroundColor of an item, to make the text appear Red, but all the texts of the 3 items remain black. QTimeEdit: See QSpinBox. Sep 7, 2015 · As I see, you are using Qt Designer to add buttons to the layout. __init__(self, parent) self. 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. selectors, pseudo-states, etc. Jun 13, 2022 · color: rgb(110,209,255);; Try adding the QListView css when you're setting the style sheet of the QComboBox and that should fix your issue. Feb 6, 2015 · Then you need to close the . 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. Vadi2. the code which I need to change its window: def __init__(self, parent=None): QDialog. app = QtGui. @. I have a felling that the default title bar is similar to window titlebar which is almost impossible to style. e. Apr 13, 2014 · One way is to do it like this: ui->label->setText ("<font color='red'>text</font>"); But I want the user to be able to set the color. label = new QLabel("0",this);//label for the text inputs. mainMenu = self. But, I tried to change the text color but could NOT find a way to set the color for 'QFont'. DisplayRole+1). from PyQt4 import QtCore. This is a road of pain as if to be used as a Mainwindow it will show some of its fake nature in. A QLabel can contain any of the following content types: Content. The positioning of the content within the QLabel widget area can be tuned with setAlignment () and setIndent (). I was able to change the Background color of an item: comboBox->setItemData(i, Qt::green, Qt::BackgroundRole); (Qt::ForegroundRole had no effect at all, Qt 4. QColor supports floating point precision and provides floating point versions of all the color components functions, e. The style runs on any platform, and looks more or less identical everywhere. addMenu('Test') # I want to change the color of this text. Mar 6, 2014 · 1) I learned in. wrote on 16 Sep 2018, 04:18. setTextColor(blackColor) blackText = "And this text black". Thank you. answered Mar 22, 2016 at 15:38. self. I'd like for the QLabel's text to turn red when I press the a key. Jul 23, 2018 · I'm trying to change text color of QComboBox. You can specify a zoom setting in percentage for viewing the text. for example: QRadioButton{ color: rgb(255, 255, 255); background-color: rgba(255, 255, 255, 0);} This will give you white color with transparent background. #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. QTableWidgetItem has a method for setting the backgroundColor of a cell in the table, but no method for setting the text color of that cell. The only thing I tried was to use the Qt properties like. Will also effect subwidgets such as the tab names in a tab widget that you have added to the window in Qt Designer. For example: ColorLabel(const QString &text, QWidget *parent = nullptr) : QLabel(text, parent) setAutoFillBackground(true); void setTextColor(const QColor &color) QPalette palette = this->palette(); Apr 22, 2020 · By default, when we create a button it is of grey color although PyQt5 allows us to change this color. Qt. A context menu can also be opened while editing, providing another way to insert special characters and newlines into the text. Dark, QColor ( 0, 255, 0 )); // set the palette back. @ui->Wdgt_Inbox->tabBar ()->setTabTextColor (0, "black");@. Oct 20, 2013 · How to change a QTabWidget's tab's background color? I've tried every single solutions found on Internet but nothing works. To make this work one has to make the button checkable in property. I want to change the color and font of only currently selected text of combobox, not dropbox. Apr 26, 2016 · How can I make my buttons - of a background color and text color that I don't know, but the button does - have that "disabled look" ? (Note - the color update works on disabled items too - that is not really complicated though - whatever style sheet I apply on setting widget disabled can be applied in the colorUpdate function). font-size: 18pt; font-weight: bold; color: #ff0000; } Applying this to the button that you want to change will make the buttons text 18pt, bold and red. resize(500, 600) Mar 22, 2010 · It sounds like you're talking about Qt Designer, since it defaults to showing two tabs (called "Tab 1" and "Tab 2") when you add a QTabWidget through the interface. ttf font file, and add it by selecting it and hitting Open. Change editor colors. In order to set font we will use setFont method which takes QFont object as argument. Closed 4 years ago. write(redText) # To change it back to black, we manually use `setTextColor` again. Oct 24, 2018 · This link provides a way to change gradient color for widgets. Jul 18, 2017 · QMessageBox::question, QMessageBox::warning, QMessageBox::critical, QMessageBox::Information { /* Base Text Size & Color */ font-size:12px; color:#ffffff; } If I try QmessageBox . If an id is assigned, the technique cannot work, and both items will be created. setColor(QtGui. If you want to manage the text color of QLabel you could wrap it with customized class. I am using my delegate class's paint method: void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const { QBrush brush(Qt::red, Qt::SolidPattern); painter->setBackground(brush); } Feb 15, 2018 · I'm trying to apply a custom color to several parts of a Qt GUI, using Qt designer and the main stylesheet. For the Color use QPallete, then use {your palette}. 1,375 3 20 34. "cde" which is red. setStyleSheet() method, this will add the background color to the label, it is same like designing the CSS style sheet. Setting. QTextEdit can display images, lists and tables. You need to do it as above. In any case, Qt Designer allows to set header backgrounds: just double click the table widget, select the section in the "Columns" tab, click the "Properties <<" button, then scroll to the "background" section and set the custom color for that specific section. QTextEdit works on paragraphs and characters. I have a 'QGraphicsScene' scene and am trying to use. The visual appearance of the label can be configured in various ways, and it can be used for specifying a focus mnemonic key for another widget. You can create the QColor object yourself, or use one of the predefined colours in the Qt namespace (Qt::black, Qt::red, etc). The fonts are added to the list of fonts for the Font property in Properties. getRgbF(), hueF() and fromCmykF(). } A highlighted Button is by far more efficient than a customized button. Changes made by a style sheet are propagated. For adding this button into the application, QPushButton class is used. 3- Make the font bigger/smaller. "f" which is black. Nov 2, 2015 · The header text changes color correctly but the background will not change from the default. setColor(QPalette::PlaceholderText, QColor(0, 0, 0, 50)); edit. I tried using stylesheets originally like this. Or use QPalette which uses Base to color the background of a widget. Then, you can use the toolbar, the context menu, or you can press Ctrl+5 to set up the layout. Supports the href and name attributes. You can use Qt StyleSheets and set the styleSheet property of QLabel. On there, you can do something like: QPushButton { background-color: rgb(255,125,100); } for all buttons, or for an specific button: 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. cpp add in the setup of your Mainwindow : QObject::connect (MyButton,SIGNAL (clicked (bool)),this,SLOT (changeColorMyButton)); Your button is now connected to the signal clicked and when you will click on your button, the slot Apr 29, 2015 · If you want to change the foreground color only of Radio button you may need to provide alpha background color for that button. So the only solutions is to. Minor differences may occur due to differences in available system fonts and font rendering engines. Each character within a paragraph has its own attributes, for example, font and color. locate the styleSheet property in the properties editor. setFont(QFont(font_name, size)) Argument : It take two argument : 1. palette(); palette. But, they changed the color of all text item in dropbox. 6, Ubuntu 10. Browse to the folder that contains the font files and select them, and then select Open. QLabel it's change font for all form/windows. Feb 4, 2019 · 3. qt. if that stylesheet is set for a parent (or the application) it The color and background of selected text is styled using selection-color and selection-background-color respectively. Jun 18, 2014 · blackColor = QColor(0, 0, 0) # First, set the text color to red. That is, you can also do the following: Qt reference says this: QPaletteButton - The general button background color. An arbitrary widget's effective style sheet is obtained by merging the style sheets set on the widget's ancestors (parent, grandparent, etc. qApp->setStyleSheet ("QToolTip { color: #ffffff; background-color: #000000; border: 0px; }"); 3. Jul 23, 2015 · I am developing calculator using qt framework. Feb 22, 2020 · palette. Jun 22, 2012 · myCheckbox->setStyleSheet("QCheckBox:unchecked{ color: red; }QCheckBox:checked{ color: red; }"); Setting both states changed the colors for me. io Jun 28, 2012 · First of all, I dont know why the font does not work, I can only quess. You can compose and customize your windows or dialogs in a what-you-see-is-what-you-get (WYSIWYG) manner, and test them using different styles and resolutions. setColor(QPalette::Mid, Qt::red); // assuming Mid is the color you want to change. setPalette(palette); Mar 14, 2017 · Like you said, it's impossible to change the color via the stylesheet, but there's a QVariantMap that can be set and gave to the function as an argument to change the color of the icon depending of the state of the button. I'm trying to change the background color of the QLineEdit and I can't figure it out at all. Some notes: 1. qt. Qt Designer interprets the backslash (\) character specially, enabling newline (\n) characters to be inserted into the text; the \\ character sequence is used to insert a single backslash into the text. The color of the placeholder text can be set using the placeholder-text-color property. Dynamic Properties Unlike palette fiddling, style sheets offer guarantees: If you set the background color of a QPushButton to be red, you can be assured that the button will have a red background in all styles, on all platforms. answered Sep 26, 2013 at 10:08. QApplication([]) The only way I have figured out to change the font for a whole application in Qt is with stylesheets. The name docs for ItemDisplayRole list the other defined data 'roles', but for most purposes you can ignore these. Oct 5, 2012 · 2. Please help me how to change them and show me some example code. If you're only interested in setting the background color, a simple stylesheet will probably suffice: yourQTabWidget->setStyleSheet("QTabBar::tab { background-color: #FF0000; }"); A -stylesheet command line option Oct 12, 2016 · not really possible in any platform neutral way. You can select one of the predefined color schemes for the text editor or create customized color schemes. QWidget { background-color: #fff; } Code language: CSS (css) Second, change the color and font weight of the QLabel: QLabel { color: #464d55; font-weight: 600; } Code language: CSS (css) Third, change the color, font size, and margin-bottom of the QLabel with the object name heading: 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. The text edit can load both plain text and rich text files. 4- Change its size (height and width) Jul 23, 2021 · QPushButton is a simple button in PyQt, when clicked by a user some associated action gets performed. addText(const QString &text, const QFont &font = QFont()) to add some texts to the scene. giuspen. You can set Jun 9, 2021 · You can build a grid layout with Qt Designer in the same way as for other layouts. In the Foreground field, specify the color of the selected code element or message. Syntax : label. You can also zoom in or out by pressing Ctrl++ or Ctrl+-, or by pressing Ctrl and rolling the mouse button up or down. DisplayRole) and the color in hex (at position Qt. It worked. Using stylesheet should do it. QDialog { border-image: url(':/images/image') 0 0 0 0 stretch Sep 26, 2012 · with the stylesheet: @QLCDNumber { color: red; background-color: yellow }@ the background gets yellow, but the digits are still white. Mar 18, 2019 · Hi, I'm a noob at using Qt and a non-programmer (shame! shame!), so pls pardon the less-than-intelligent questions. In the Alignment field, select the center buttons to align the text to the center of the button. I've been used stylesheet or palette. like this: ui->plainTextEdit->setStyleSheet("QPlainTextEdit {background-color: #rrggbb;}") And if you want to set only the text background color, like this: Mar 26, 2020 · In this article, we will see how to change the font and size of the text in Label, we can do this by using setFont() method. setStyleSheet (“background-color: cyan”) Argument : It takes string as argument. lineEdit->setPalette(p); 🔗 PATREON:Many people asked me to create a Patreon (thanks to everyone, you are amazing )!If you can help me keep creating new videos about technology and See full list on doc. setColor (palette. You can subclass the QSqlQueryModel to redefine data() to return your calculated color, or if you have Qt > 4. Importing 2D Assets Importing 3D Assets. Paragraphs are separated by hard line breaks. insert("color",QColor(10,10,10)); Dec 29, 2016 · 7. When conflicts arise, the widget's own style sheet is always Jun 8, 2012 · The view draws the background based on the Qt::BackgroundRole role of the cell which is the QBrush value returned by QAbstractItemModel::data(index, role) for that role. Note: The functionality implemented for tags listed below is a subset of the full HTML 4 specification. Depending on the value of section (header index starting at zero) you can individually style the header items. Select the location where the file will be saved in the Add Resources dialog. Here is one of the versions I've tried for the palette: #include "myprogressbar. QLCDNumber{color:rgb(85, 85, 255);background-color:rgb(0, 170, 255);} It is successful for background color not for digit color. Not all attributes are supported, see comments for each tag. How do I change the text color of an arbitrary cell in a QTableWidget? Changing the color of text in all cells is as simple as using this stylesheet. Note that if you see the background in Designer but Feb 19, 2016 · I have a simple QDialog that shows a QLabel in black text. Watch the following screencast —. In this case, you can right click on a widget (or in the main dialog) in Qt Designer and click then in 'Change layout'. Apr 25, 2018 · No need to connect a slot to a signal, you can modify the palette's QPalette::PlaceholderText color in Qt Designer, or programmatically with something like: QPalette palette = edit. Apr 7, 2023 · CommentedApr 7, 2023 at 1:12. Each Chunk is a piece of the progressbar. setStyleSheet('QWidget {font: "Roboto Mono"}'). Aug 30, 2017 · I'm not talking about the stuff within the tab, but the tab itself. To disable the mouse wheel function, select Preferences > Text Editor > Behavior and deselect the Jul 3, 2020 · Hello @SGaist, Here is the minimal compilable code (Qt 5. #frame1 {border-radius: 15px; border-width: 3px Feb 21, 2012 · I need a way to specify the colors I want to use for title bar elements (buttons, text title and background-color of bar and buttons). In order to do this we will use setStyleSheet method. If you want to change placeholder text color for a QLineEdit you have to customize the component's QPalette object. QTextEdit is an advanced WYSIWYG viewer/editor supporting rich text formatting using HTML-style tags, or Markdown format. Unfortunately, there's no setTabBackgroundColor option. Text, {your QColor}), and the font use QFont. E. Below is the difference in default button and colored button. Aug 18, 2020 · I select part "cde" by mouse and click button "change font color" and choose red color. In addition, Qt Designer provides style sheet integration, making it easy to view the effects of a style sheet in different widget styles. . 1: make a fake windows widget and draw caption and implement dragging etc. Feb 21, 2012 · Changing the color is really all I want to do, so I figured it should be much easier to do that by use of a palette instead of a stylesheet, but with the palette nothing happens at all. setFont (QFont (‘Arial’, 15)) Argument : It takes two argument Jun 15, 2020 · The style itself for the clicked buttons can be added just once to the MainWindow's stylesheet (I've done it in Qt Designer, you can do it in the constructor as well): QPushButton[clicked=true] { background-color: green; } Dec 8, 2016 · I don't really have code for that i'm changing the properties in QT Creator. Editing Resources with Qt Designer Using a Designer UI File in Your C++ Application Using Stylesheets with Qt Designer Since Qt 4. Qt Quick Controls uses a technique that avoids creating both items, and instead only creates the custom background, greatly improving the creation performance of controls. Action performed: It changes the background color of the label. Aug 2, 2016 · In your . QFont::Cursive: 6: the font matcher prefers fonts that map to the CSS generic font-family 'cursive'. The Material style is a 100% cross-platform Qt Quick Controls style implementation that follows the Google Material Design Guidelines. Due to the cascading nature of stylesheets this will set the font of all widgets to Roboto Mono. So I solved it this way: The color and background of selected text is styled using selection-color and selection-background-color respectively. 2) I find the setStyleSheet() method to be a bit more "streamlined" than using QFont. Configuring Fonts. Size to be set in integer. QFont::Fantasy: 8: the font matcher prefers fonts that map to the CSS generic font-family 'fantasy'. The relevant values for foreground (=text color) and background in Qt::ItemDataRole are Qt::BackgroundRole and Qt::ForegrondRole. QPushButton {. Press Ctrl+S to save the button. Thanks for your Help! In the Text field, enter Button. setTextColor(redColor) redText = "I want this text red". template<typename T> inline QVariant TableModel<T>::headerData(int section, Qt::Orientation orientation, int role) const { // Mar 21, 2017 · You can set it in the constructor of your window class, or set it from the GUI editor ( Qt Designer) : double-click on your window. The closest I've got to actually changing the style of a tab is using this. No user interaction functionality is provided. You really don't need to subclass to change the formatting of your button, rather use stylesheets e. For PyQt in the application's init class you can call self. If so, click on the tab you want to rename, then in the Property Editor (if you can't find it make sure it's visible by using the View->Property Editor menu item) scroll down to the bottom and look for the currentTabText property. , OK OK) 2- Set a red or blue color for it. If the text is too large to view within the text edit's viewport, scroll bars will appear. ui -> lcdNumber ->setPalette (palette); However, it looks best if you change to flat look. The following table lists the HTML tags supported by Qt's rich text engine. For my frame, when I type this which I got from an online tutorial, I get a nice white rounded border. From now on, this font will appear whenever the Font dialog is opened in Jul 20, 2017 · You can simply highlight a Button to make the button colorize its background in a style-independent way. ui file in QtDesigner, then go to Settings/Additional Fonts in QtDesigner (if an . like this: QVariant Supported Tags. How can I do that. text: qsTr("Login") highlighted: true. ui->lcdNumber->setSegmentStyle (QLCDNumber::Flat ); Or matches the dark/light with the base color so the 'raised' look still works. V. QToolBar: Supports the box model. Just a quick addition: an alternative to generating the html yourself, if you're populating the text box programatically, is to use textEdit->setTextColor(QColor&). #3. The first step is to select the group of widgets that you want to lay out using a grid layout manager. Below is the Python implementation – the font matcher prefers fonts that map to the CSS generic font-family 'monospace'. Apr 8, 2019 · 7. Syntax : button. myTextEdit. Set QGroupBox title font size with style sheets. Qt Designer is the Qt tool for designing and building graphical user interfaces (GUIs) with Qt Widgets. answered Aug 20, 2016 at 18:07. It would, but I don't want to do it for the entire application. . It will apply the specified colour to any text you Jul 8, 2016 · If you want to change only the color of the entire viewport background (except scrollbar), must specify a selector. So here's what I did : QVariantMap variantMap; variantMap. Thank you! To add fonts: Select Assets > . setStyleSheet("""QMenuBar { background-color: rgb(45, 45, 48); }""") #Set the background color of the menu bar to black. 2, it is possible to edit stylesheets in Qt Designer with the stylesheet editor. I know I can give my widget an ID and only use that, but since I allow my users to skin the application using Oct 12, 2016 · In the example above we use this to pass in both the item label (at position Qt. setStyleSheet (“background-color : yellow”) Argument : It takes string as argument. Enter a name for the color scheme and click OK. Now I have 3 parts: "ab" which is black. Feb 23, 2016 · I am using QTableView and QStandardItemModel and I'm trying to colour a row with the font remaining black. I want to change the border color of a "TextInput 3" box (pls see screenshot below), but there is not such option in the Navigator tab. Nov 24, 2023 · QDockWidget#qt_designer_objectinspector_dock QTreeView { selection-background-color: green; selection-color: white; } The above means: apply the given properties (background and text colors for selected items) to any QTreeView that is a direct child of a QDockWidget having an object name equal to qt_designer_objectinspector_dock . end how add background if I use global setting for all. I am using the designer to make the dialog. QLineEdit *le = new QLineEdit(); le->setStyleSheet("background:#000;"); Jan 23, 2013 · 8. 2. ) Aug 2, 2017 · 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 Oct 20, 2013 · I want to change my application looks so that the background is black. testMenu = mainMenu. setStyleSheet("QPushButton:checked { background-color: red; }") This will set the background color to red when the QPushButton is checked. hw ec ce jf rc jp pk xn wu bc