Qtablewidget style. You can change the fontsize with: item = QtGui.

The QStyle class is an abstract base class that encapsulates the look and feel of a GUI. But the QTableWidget::item:selected{ background-color: } only works when there is only one item selected, otherwise all selected items will have the same selection color. I tried self. Nov 2, 2015 · The following is what I've currently tried. EDIT: Either setting the border to 0px or setting the color to white would be good as well. Modified 9 years, 3 months ago. horizontalScrollBar(). So is there a way to make every item have individual selection color? Feb 20, 2021 · I use a QTableWidget, not QTableView. this is the whole minimal code. setStyle(style) self. setStyleSheet, instead of setting the style sheet for the widget. I want to change the fourth row/column grid line's color to yellow (or other highlight colors) to make the 3*3 part QTableWidget provides appropriate signals for each event such as change of selection, click, double click, etc. ItemIsEnabled)", you use it to set the cell property QtCore. " From QTableWidget::setItemDelegate (): "Sets the item delegate for this view and its model to delegate. alexisdm. However, Everything is working fine expect the QTableWidget Headers. The color and background of selected text is styled using selection-color and selection-background-color respectively. Jun 28, 2020 · I had this problem and managed to fix it with a fairly straightforward solution. argv) print (app. 3,526 3 43 62. mr5. QHeaderView *header = ui. You can change the fontsize with: item = QtGui. answered Dec 4, 2017 at 19:34. 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. – OnWhenReady. QTableWidget::item:hover {. Apr 6, 2013 · You are not supposed to use a custom model with QTableWidget, the internal model, QTableModel is private, and not a part of the Qt API, so you can't properly subclass it. setCellWidget(row, 1,push) self. Example of handling double click of a cell: connect ( m_pTableWidget , SIGNAL ( cellDoubleClicked ( int , int ) ), this , SLOT ( cellSelected ( int , int ) ) ); Feb 19, 2011 · I believe with QTableWidget the easiest way setting row color would to iterate through widget items and use setData method to specify the background color, see an example below Nov 2, 2018 · formatting a QTableView header. I tried to also set a qstyleditemdelegate to my qtablewidget but the color doesn't change. However, QSS supports only a limited number of rules in comparison with CSS. I have a QtableWidget with data in it. 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"). Styles and Style Aware Widgets. setBackground(QtGui. By default, for a table constructed without row and column counts, this property contains a value of 0. Mar 6, 2023 · To find out which default style is applied to an existing application, you can access the objectName() via app. I want to change some background color of the tableWidget's cells. QTableView/QTableWidget grid stylesheet - grid line width. verticalScrollBar(). QtWidgets. This will set all QTableWidgets to the same style sheet, as a bonus, assuming you want this effect. Apr 25, 2014 · And if it is QTableView? I can change a cell color just with foloou stylesheet. answered Jun 22, 2011 at 11:47. cpp The QTableWidgetItem class is a convenience class that replaces the QTableItem class in Qt 3. And because ` QTableWidget` uses qobject_cast before calling every QTableModel function without checking that the cast was successful, if your custom model doesn't inherit from QTableModel, you are going to break thin thanks, but this unit only color, and how to impose a completely separate style to a cell something like @item(3,2). setRowCount(10)tableWidget. QFont font; font. wrote on 1 Sep 2013, 22:21. QFont() font. We can add one or more tables in our PyQt application using QTableWidget. QTableWidget. #1. setFrame (False); myTableWidget. Once I have populated a QTableWidget with Mar 25, 2020 · "QTableWidget QLabel { color: #FFFFFF ; } I'd like to find a way to set in stylesheet a color to assign to labels when item is selected without doing it manually by assigning my widgets style sheet when the cell where they are is selected or unselected. Qt Widgets. io/qt-5/stylesheet-reference. setItem(row,column,newItem) If you want to enable sorting in your table widget, do so after you have populated it with items, otherwise sorting may interfere with the 样式表是PyQt5中用于自定义界面样式的一种强大而灵活的机制。. edited Dec 4, 2017 at 19:42. As a workaround, you can put the style sheet in your QTableWidget parent widget or in the QApplication. If you replace the default widget with QTextEdit, you can get rich text formatting capability. Styles (classes that inherit QStyle) draw on behalf of widgets and encapsulate the look and feel of a GUI. By default, the subcontrols have positions of a QTabWidget in the QWindowsStyle. The QTableView class is one of the Model/View Classes and is part of Qt's model/view framework. I can update this answer if I find out. wrote on 31 Oct 2021, 11:27. Since 5. table. I tried your code. In this article, we will learn how to add and work with a table in our PyQt5 application. // Sets the style sheet of the QTabWidget to expand the tabs. from PyQt6. Q_OBJECT. In this tutorial we'll learn how to use QTableView in PyQt, including how to model our data, format values for display, and add conditional formatting. You can also create a data model and display it using a QTableView, but that is not in the scope of this tutorial. The previous header item (if there was one) is deleted. setRowCount () 메서드는 테이블의 행 (Row)의 개수를 지정합니다. answered Oct 9, 2011 at 1:27. Viewed 6k times How to style a QTableWidget in Pyqt5. Top-level items are constructed without a parent then inserted at the position specified by a pair of row and column numbers: QTableWidgetItem*newItem =newQTableWidgetItem(tr("%1"). currentCellChanged(currentRow, currentColumn, previousRow, previousColumn) ¶. In this example we’ll be creating a PyQt QTableWidget filled with values as well. html. Dec 19, 2017 · I'd like to have different selection color when an item is selected. Here is an aproximate style sheet. 0. _qtablewidget-widget: See QTableView. item(1,0). Can you set a specific colour for whole QTableWidget? Hot Network Questions Short story: typical 'time machine and kill Jul 31, 2015 · However, there is a work around to get the header decoration to stick. setColor(self. qt4. resizeColumnsToContents() You can set the resize mode to ResizeToContents , or if you want the user to be able to adjust the column width as needed, just call resizeColumnsToContents manually after making changes to the Apr 25, 2012 · 9. want to change the color where blue arrow is marked. If you like to color the background of the headerView: tableWidget->verticalHeader ()->setStyleSheet ("QHeaderView::section { background-color:blue }"); – OnWhenReady. setStyleSheet("border:1px solid grey; border-bottom-left-radius: 5px;border-bottom-right-radius: 5px;")@ need to do a completely different style from the cell Aug 4, 2019 · I have a table widget. tableWidget->setFont(QApplication::font()); seams to be enough to fix it. thEClaw. Detailed Description. [virtual noexcept] QTableWidget:: ~QTableWidget () Destroys this QTableWidget. The first row of text (the "MAC Address Serial Number Device Name" is the header data (set in the model). palette() p. It provides an item for use with the QTableWidget class. Jun 22, 2011 · Simple way : Checkout the setCellWidget method of QTableWidget. I just work with QTableWidgetItem. table_widget. I'd like to improve this display, and the first thing that comes to mind is to visually set Feb 8, 2019 · Then I tried applying the exact same stylesheet directly on the QScrollArea instance, with no success. I suggest using QTDesigner to deal with the layout. QColor(100,100,150)) and it returns this error: AttributeError: 'NoneType' object has no attribute 'setBackground' What should May 11, 2020 · PyQt5 – QTableWidget. 7, I am trying to make one QTableWidgetItem in a QTableWidget Editable and the rest all columns should be read only for me. The result is a table having the same color for both type A and B items. Apr 26, 2017 · the font getting smaller is a reported bug. My goal is to have a QTableWidget in which the user can drag/drop rows internally. The line that begins "b4:e6" is the first row of data in the table. QTableWidget provides appropriate signals for each event such as change of selection, click, double click, etc. setColumnCount () 메서드는 테이블의 열 (Column)의 개수를 지정합니다. How to change the background color of a specific QTableWidget header. For a better understanding of the concept Oct 15, 2020 · change PyQt5 QTableWidget row stylesheet when a condition is met. I tried the code QHeaderView::section{background-color:rgb(120,120 Dec 7, 2014 · Since you want the user enter time date, I would suggest to reuse the already existing QDateTimeEdit class in the following way: dateTime = QDateTimeEdit (); dateTime. QTableWidget. Change qt scrollbar style to match default qml scrollbar. This example will mainly be featuring the below method, setItem(). Nov 14, 2009 · The Qt Style Sheet reference page entry for QTableView notes: Warning: If you only set a background-color on a QTableCornerButton, the background may not appear unless you set the border property to some value. Setting the margin to 0 did the trick: view. Create your own Delegate class and inherit it from QItemDelegate. I found the solution with the help of the comment of @musicamante above. Oct 7, 2014 · 15. setColumnCount(5) Apr 20, 2011 · QTableWidget style per QTableWidgetItem. setPalette(p) This produces a red tab bar area, but the main background is still white. backgroundRole(), Qt. The goal is illustrated in this figure: What I tried, and what happens. " And for an example : pixelator. Ok. If you want to display data arranged in a table, use a QTableWidget to do so, without dealing with much configuration. This is because, by default, the QTableCornerButton draws a native border which completely overlaps the background-color. . Sep 27, 2017 · Is there a way to place QCheckBox as a cell widget of QTableWidget in the center of a cell, not at the left side, without additional QWidget and adding the checkbox to it's layout? The QTableWidgetItem class is a convenience class that replaces the QTableItem class in Qt 3. I tried implementing QItemDelegate / QStyledItemDelegate but it doesn't work. setEditTriggers () 메서드는 테이블의 항목을 편집 가능하도록 하는 QListWidget与QTableWidget的使用以及样式设置-转载自明之季QListWidget和QTableWidget的使用和属性，QTableWidget和QListWidget样式表的设置，滚动条的样式设置一、QListWidget的使用二、QTableWidget的使用三、可以使用. To control the coloring of that area, put the QTabWidget in a QWidget and set the style sheet on the container. setColumnCount(5) Oct 5, 2013 · You should check Qt Sylesheet Reference. setFlags(QtCore. setItemDelegate(delegate) # Add items to table table. Display data in your Table Widget. objectName()) The result, again, depends on your operating system: windowsvista. main. 我们可以使用样式表来设置QTableWidgetItem的文本颜色。. setFrameStyle(QFrame. You can see an example here. in the picture below, i have a QTableWidget to view data from one to many relation sqlite database, i managed to merge some columns output to display data correctly using setspan feature and help of this answer by @eyllanesc. objectName()) self. Put the number in to get the result: 0:left 1:left 2:right 3:right 4:centre. Create a connection from your QTableWidget's QHeader's sectionResized signal to a custom method (_refresh_row_size in my case). Plain) header. QTableWidget:: QTableWidget ( int rows, int columns, QWidget * parent = nullptr) Creates a new table view with the given rows and columns, and with the given parent. Otherwise, this should do the job. Nov 28, 2014 · 8. Box | QFrame. The corner widget in a QTableWidget is implemented as a QAbstractButton and can be styled using the QTableWidget QTableCornerButton::section selector. Items are created outside the table (with no parent widget) and inserted into the table with setItem () : newItem=QTableWidgetItem(tr("%1"). It can be very simple for your needs, probably, just need to re-implement one method, QStyledItemDelegate::initStyleOption() and inside that set the backgroundBrush property of the QStyleOptionViewItem to whatever you need. Qlistwidget and Qtablewidget use and properties, Qtablewidget and Qlistwidget style sheet settings, scroll bar style settings first, the use of Qlistwidget First, Qlistwidget list_widget = new Qlistwidget (); List_widget->resize Apr 26, 2021 · 1. 12) and renders everything in a dark theme. setStyleSheet(stylesheet) That is if you want different horizontal and vertical headers. If you want to add custom widget into table cell you can use QItemDelegate. So I think that solution is not good. Better way : Use a custom QStyledItemDelegate. For example, QSS supports the box model but doesn’t support the flexbox and grid layouts. Hi, We have a requirement where we want to change the border color of the QTableWidget item to pink when that item is clicked or selected. Apr 4, 2014 at 22:50. Alignment data is actually supported in the model, but the header view header = table. I hope this helps. setCentralWidget(table) This produces the following window. Yes, icons need to be used separately. setModel(model) There are a couple ways you can do alignment. The two problems are: Mar 9, 2016 · Edit: I can have another styles in QTableWidget::item and they are applied, the problem is when I have a border. setStyleSheet("QTableWidget { color: red; }") 以上代码会将整个表格中的文本颜色 Jul 24, 2018 · I am new in pyqt4 and I can't figure out how to do this. You have to do something like. PyQt4 get table cell May 16, 2013 · I want to know is it possible to make a stylesheet to make the contents in selected row bold. c++. This could be done for each header item separately, but there are a couple of concerns: The border extends past I have a QTableView containing data rows from a database. See QAbsractScrollArea to style scrollable backgrounds. The key moment is QTabWidget::pane { top: -1px; }. template&lt;typename T&gt; inline QVariant TableModel&lt;T& Oct 21, 2014 · wrote on last edited by. background-color: rgba(200,200,220,255);} What else proprieties QTableWidget has that has hover event? Sorry for my English. arg( ()(row+1)*(column+1)))tableWidget. setLineWidth(1) table. Any help is welcome. style(). That is, the user can drag and drop one entire row, moving it up or down in the table to a different location in between two other rows. May 15, 2011 · The frame of the tab widget is styled using the ::pane subcontrol. If you want a table that uses your own data model you should use QTableView rather than this class. tabWidget. treeWidget->header(); for (int ii Mar 24, 2011 · The standard interface for controlling delegates is defined in the QAbstractItemDelegate class. tw. Sep 15, 2012 · Qt custom style: on-screen arrow buttons for scrollbars? 1. Ask Question Asked 9 years, 5 months ago. I know how to make rounded corners using stylesheets, but I'm not sure how to apply stylesheets to a row in a QTableWidget and I'm also not sure how to put spacing in between the rows. Thank you for giving me right direction. Vertical, scrollArea) verticalScrollBar. Apr 4, 2014 at 22:57. qss2、滚动条样式设置scroll. Sep 16, 2015 · It is the container (or parent widget) which is showing through. I expect to get different bg colors for the two items inserted (the qss file is loaded in the main () with qApp->setStyleSheet (styleSheet); ). The below solution worked for me: tableWidget->setFocusPolicy(Qt::NoFocus); But the problem is that, you can not work with keyboard for going up and down on the QTableWidget. QScrollBar stylesheet resize handle. setItemDelegateForRow -- set delegate for given row. Jul 27, 2014 · 2. border: 1px Jan 19, 2017 · I'm not using style sheets and would prefer to use a palette since I'm already using palettes, but if style sheets are the only option, that's ok. setPointSize(14) item. This is useful if you want complete control over the editing and display of items. If not using delegates and one doesn't want to set alignment for every QTableWidgetItem created anew, then you could set the prototype item in the table widget like so. Styles sheets are textual specifications that can be set on the whole application using QApplication::setStyleSheet () or on a specific widget (and its children) using QWidget::setStyleSheet (). Jun 2, 2016 · As @UmNyobe said, it's not possible with designer, but you can use this trick to at least visually set the widths to what you want. @class MyDelegate : public QStyledItemDelegate { public: MyDelegate ( QObject *parent Feb 1, 2018 · "La mort n'est rien, mais vivre vaincu et sans gloire, c'est mourir tous les jours" ~Napoleon Bonaparte On a crusade to banish setIndexWidget() from the holy land of Qt Qt QTableWidget | Design Using Qt Stylesheet | QSS | Qt C++ | Qt Creator | Qt Tutorial### keywords:qt c++qt c++ tutorialqt c++ projectqt c++ full courseqt c+ Jan 18, 2017 · 4. Expanding tabs: #include <QtGui>. Sep 21, 2020 · style = ProxyStyle(self. The left and right corners are styled using the ::left-corner and ::right-corner respectively. For me the following works: @QHeaderView::section {. #2. void QTableWidget:: setHorizontalHeaderItem (int column, QTableWidgetItem *item) Sets the horizontal header item for column column to item. The QTableWidget class provides an item-based table view with a default model. You can set the style sheet for the application via QApplication. horizontalHeader() header. app = QApplication(sys. It takes three main arguments, the row index, the column index, and a QTableWidgetItem object. setCellWidget (row, column, dateTime); The user will be able to edit the "time data" this way in your table Jan 15, 2018 · 1. It clearly states that you try to color the header. You can probably give the sections differing colors, or make them alternating if you want. tableWidget->horizontalHeader()->setFont(font); How can I change the font in this case? Please check your question. Mar 23, 2019 · I am working on a Sudoku project, and I used a QTableWidget to create the 9*9 map. setStyle(style) As you can see, in the example above I used a different constructor. arg(. Qt Style Sheets or QSS is very much similar to Cascading Style Sheets (CSS) for the web. 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. 首先，我们需要为QTableWidget设置一个样式表，代码如下：. QtWidgets import QApplication. 15, the icon property can be set to override the button icon. Dec 7, 2010 · item = new CustomTableItem ("type B data", B_TYPE); table->setItem (1, 0, item); @. So that the column width is the same width as the push button. QTableWidget 클래스를 사용해서 테이블 위젯을 하나 만들었습니다. Then I tried to define the scrollbar myself : scrollArea = QScrollArea(self) verticalScrollBar = QScrollBar(qt. Then, I extracted all the colors from the palette, and set them, so that I can also use them on Windows. setHorizontalHeaderLabels(['Name', 'Age', 'Sex', 'Add']) table = QTableView() table. I am simply trying to get a detailed (complete) list of stylesheet options for the QTableView. answered Jun 23, 2016 at 11:43. Sep 13, 2013 · I am trying to decrease the size of the font in horizontal header of a QTableWidget. background-color: green; }@. setFixedWidth(15) table. setHorizontalHeader(header) I end up with something that looks like this: This way a border does show up around the header. SelectRows) to set table to select entire row setTextAlignment takes an int for the argument (alignment). void QTableWidget:: setHorizontalHeaderLabels (const Oct 12, 2019 · I have a QTableWidget but I need to customize the rows so that they have spacing in between them and so that they have rounded corners. This is called cascading. Qt. setFont(font) I am not sure how to change margin and spacing. PySide2. setDisplayFormat ("hh:mm"); dateTime. Some of the options I tried are, I create rows by calling insertRow(rownumber) for adding rows. See also horizontalHeaderItem(). public: CChoicePathDelegate (QObject *parent = 0); QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const; //delegate editor (your custom widget Aug 17, 2018 · See the following figure: The width of the QTableWidget should be adjusted so that it is not smaller than a reasonable minimum and not extend beyond the buttons above it; in particular, the size of the columns 1, 2, and 4 should be adjusted to their contents, and the 3rd column, Aberrations, should be expanded to fill in the gap on the right side. That's because using ProxyStyle(QStyle) results in the proxy overriding the style in the constructor (so you would end up having all scroll bars Oct 13, 2015 · Python PyQt4 QTableWidget Header Style Sheet Not Working Properly. Format and resize your Table Widget. For QPushButton with a menu, the menu indicator is styled using the ::menu-indicator subcontrol. If necessary, the column count is increased to fit the item. answered Apr 26, 2021 at 22:42. The problem is that I want the push button column to be 15pt with at startup too. The position of the tab bar is controlled using the ::tab-bar subcontrol. Qt 6. Jan 13, 2022 · https://doc. setSelectionBehavior(QAbstractItemView. A table is an arrangement of data in rows and columns and widely used in communication, research, and data analysis. However, setting setAlternatingRowColors(true) only alternates row colors that has data - the rest of the table is just white, which is not Table widgets can be constructed with the required numbers of rows and columns: tableWidget = QTableWidget(12, 3, self) Alternatively, tables can be constructed without a given size and resized later: tableWidget = QTableWidget() tableWidget. Table widgets provide standard table display facilities for applications. The items in a QTableWidget are provided by QTableWidgetItem. i want to set the color of vertical header in CSS. Feb 10, 2021 · mvc QTableView modelview excel numpy pandas qt pyqt pyqt6 data-science python qt6 pyqt6-data-science. Also if I set the background from styles, it works. Example of handling double click of a cell: connect ( m_pTableWidget , SIGNAL ( cellDoubleClicked ( int , int ) ), this , SLOT ( cellSelected ( int , int ) ) ); Supports the :default, :flat, :checked pseudo states. qt. 2. But this may be enough of a starting point. what i want to achieve now is to colorize each order Table widgets can be constructed with the required numbers of rows and columns: tableWidget=QTableWidget(12,3,self) Alternatively, tables can be constructed without a given size and resized later: tableWidget=QTableWidget(self)tableWidget. horizontalHeader(). qss设置样式表qss文件格式设置样式表1、QListWidget和QTableWidget样式设置my. The header text changes color correctly but the background will not change from the default. A QTableView implements a table view that displays items from a model. This property holds the number of columns in the table. Below code does not work, font size remains unchanged. stylesheet = "::section{Background-color:rgb(190,1,1);border-radius:14px;}" Table. Work with the QTa The QTableWidget class provides an item-based table view with a default model. class QTableWidget provide 3 interfaces for setDelegate: setItemDelegate -- set delegate for whole QTableView. Jun 29, 2016 · table = QTableWidget() delegate = ResizeDelegate(table, 0) table. I answer the question myself. 1. Oct 8, 2011 · It seems you need to set the style sheet before you call QTableWidget::setColumnCount, but you can't change the order of these calls for the generated code. tableWidget. Appearance of checkable push buttons can be customized using the :open and :closed pseudo-states. setPointSize(7); ui. I've tried: p = self. I am having problems here. Nov 23, 2022 · I would implement my own QStyledItemDelegate and set the table to use that (setItemDelegate and friends). 以上で、QTableWidgetクラスの基本的な使い方になります。 4．最後に Qtで、表を作成するには、QTableWidgetクラスを使用すると簡単に作成できますが、 QTableWidgetクラスが継承しているQTableVIewクラスやQTabelWidgetItemクラスなども見る必要があります。 Aug 24, 2020 · Learn how to use a Table Widget, or QTableWidget with Python PyQt5. The QTableView is the white box near the top. _qtextedit-widget: Supports the box model. I have checked a number of samples through google and stackoverflow but failed to achieve this. item(3, 5). It doesn't work if I set it in code. ItemIsEnabled to disabled, so you can't select or edit the cell Sep 30, 2013 · In QT 4. model = QStandardItemModel() model. i am using self. In the previous tutorial we covered an introduction to the Model View architecture. setStyleSheet(my_stylesheet) scrollArea. This class is used to provide standard tables that were previously provided by the QTable class, but using the more flexible approach provided by Qt's model/view architecture. I also tried to write the border style as: border-width: 1px; border-style: solid; border-color: white; but still no luck. You’ll understand how the layout of the TableWidget works in this example. I am going into the model->setData block but I am not able to see any change in color. Goal. QTextEdit. I was not successful into adding header May 14, 2016 · Qt provides a non-abstract model you can use with all the view classes - QStandardItemModel. To set the style sheets for a widget, you call its setStyleSheet() method with a style Sep 8, 2011 · How can I set the cell borders in a QTableWidget to 0px? Preferably I can choose which sides of a cell's border to set to 0, but I can live with setting them all to 0 as well. qt. How to set stylesheet for the current item in QTableView. 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. 7. Note. Oct 31, 2021 · hbatalha. qss Nov 10, 2021 · push = QPushButton("T") push. . arg(. It moves pane up (and it's top border) so it doesn't disturb, and QTabBar::tab:selected {margin-bottom: -1px; } as well - it hides appearing tabbar bottom and pane top differences. If several style sheets are set at different levels, Qt derives the effective style sheet from all of those that are set. Oct 6, 2014 · Although QItemDelegate is a good option, sometimes its just a over kill when all you want to do is color some cells. See Customzing QTableView for an example. Warning: If you only set a background-color on a QTableCornerButton, the background may not appear unless you set the border property to some value. Yes, using a dark palette seems to be the solution. Do I need to do any more settings. setRowCount(10) tableWidget. setStyleSheet("QTableWidget::item {border: 0px; padding: 5px;}") Now the cells have a padding of 5px. Aug 23, 2022 · Here is the solution. No model added. Qt's built-in widgets use it to perform nearly all of their The solution is the line "item. I need a function to change the row Feb 1, 2015 · How to style QTableView CSS. To get rid of eliding altogether just subclass QStyledItemDelegate and reimplement paint like: #include <QStyledItemDelegate> class NoElideDelegate : public QStyledItemDelegate{. Parameters: currentRow – int. setVerticalScrollBar(verticalScrollBar) But the T. You can simply do this: QStandardItem *item = new QStandardItem(""); item->setData(Qt::gray, Qt::BackgroundColorRole); This works perfectly for me. edited Jun 22, 2011 at 12:05. setItemDelegateForColumn -- set delegate for given column. QTableWidgetItem() font = QtGui. It turns out this is very easy to implement using Qt Style Sheets. See second example code below. Add this code to the dialog's destructor, and it will print out the column width of each column, and the width of the tree widget and the dialog itself. red) self. Notice that using a QTableWidget is not the only path to display information in tables. What I did: I used my macOS, changed it to dark theme, Qt recognises this (5. style(): import sys. uy km pd df qc sq sw ur th dy