Qtablewidget set background color. There are at least 2 ways to solve this problem.

def clickTable(row, column): if table. The following code does not work for a QTableWidgetItem that is a vertical header item, even though the same code works fine for a QTableWidgetItem that is a regular cell. setStyleSheet("background-color: lightblue") To avoid the use of findChild it can be set via QTableWidget: stylesheet Feb 25, 2024 · To change the background color of a cell, we can use the QTableWidget::setBackgroundRole () method. Nov 15, 2022 · PyQt6 QTableWidgetItem Change Background Color if Value Changes. tabSentimento) self. setStyleSheet ("background-color: rgb (0, 0, 0); selection-background-color: #353535; padding-left: 10px") The color stays as black Aug 2, 2019 · In PyQt5, I am using the model view to display a table. 13 on Windows, setting a background-color on the QTableWidget QTableCornerButton element in the Qt stylesheet has an effect but setting background-image has not. QTableView *tview = new QTableView; QStandardItemModel *md = new QStandardItemModel (4, 4); for (int row = 0; row < 4; ++row) { for (int column = 0; column < 4; ++column) { QStandardItem *item = new QTableWidget provides appropriate signals for each event such as change of selection, click, double click, etc. background-color: red; } @. So here is the code I am using to set the background color of a combo box I am using to match the color of the widget it is on: QPalette pal = myComboBox->palette(); pal. games_model. QTableWidget::item::selected, QTableWidget QLineEdit {. template<typename T> inline QVariant TableModel<T>::headerData(int section, Qt::Orientation orientation, int role) const { // Sep 10, 2015 · table = self. red) table. exit (app. I have the following set up that is simply generating random numbers into a QTableWidget based on a click of a button. I currently have a stylesheet that looks like this Nov 3, 2017 · I have successfully used the following Qt code in my python application to color horizontal headers in a QTableWidget with distinct background colors: header2 = widget. Apr 4, 2014 at 22:57. I can update this answer if I find out. How can I change the color of the alternating rows consistently among the whole application, that might contain even more QTableWidgets? Jun 11, 2016 · The correct method is to clear the underlying data, like this: treeWidgetItem. what I have now is that only after finishing all cells coloring I see the whole cells colors changed as once. setBackground (brush) and it doen't change. I have a QtableWidget with data in it. Jul 9, 2012 · Technically speaking, you're adjusting the selection color of the items within your table widget, so: QTableWidget::item{ selection-background-color: red} should do the trick. QBrush b (QColor(224,224,224)); item->setBackground( 0 , b ); item->setBackground( 1 , b ); item->setBackground( 2 , b ); but this code only populates the Jul 10, 2020 · we have tried many options like setBackground color and setData methods also but nothing is getting reflected here. But this may be enough of a starting point. Aug 4, 2022 · The problem is, no matter what I try, the color stays the default Designer background color. So far I have attempted to change the colour through QSS stylesheet and by setting the palette. red) widget. The previous header item (if there was one) is deleted. The following code shows how to set the background color of the first cell to red: tableWidget->item(0, 0)->setBackgroundRole(QPalette Jun 18, 2020 · I am trying to change the background color of selected cell in a QTableWidget. horizontalHeaderItem(2) purple = QColor(139,103,153) header2. Either change the selection color or changing the color of the alternatingRows. checkBox. my_table. Dec 31, 2021 · I wanted to change the background colour of the cell and by doing so I only able to use tableWidget. ui. Apr 1, 2024 · You can add items to a QTableWidget in PyQt5 using the setItem () method. I tried the code . Following commands did not help setStyleSheet("QTableWidget{ border-color: green}") does nothing and setStyleSheet("QTableWidget{ border: 1px solid green}) results in "over formatting" as you can see in the attached image Feb 23, 2016 · I am using QTableView and QStandardItemModel and I'm trying to colour a row with the font remaining black. color(QPalette::Window)); myComboBox->setPalette(pal); Nov 2, 2015 · The following is what I've currently tried. palette() palette. 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. Recently I was able to get a column of checkboxes without a Delegate. It is the source model's data() that sets each of `QTableView's indexes background colors to a green if the index's row number is even and to a blue if it is odd. show () app = QtGui. I want to set color for specific rows in QTableWidget, like setAlternatingRowColors does, only I should be able to specify which rows and which color I want. I tried the following code. QAbstractScrollArea. May 19, 2015 · I got stuck on trying to set background color in Qt tableWidget. I suggest using QTDesigner to deal with the layout. Jul 24, 2018 · I am new in pyqt4 and I can't figure out how to do this. 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. We gave you 2 possible solutions, one with and one without validator. I'm using Qt 4. Sep 7, 2020 · Editing of item views is usually done with a QLineEdit if the item has string values, the solution is to use QTableWidget QLineEdit, and since the styling is going to be the same, you can also concatenate the selectors with commas: self. You should set a class property (etc tableview's currentindex) which can be reset value from outside the class, by this, the delegate's default loop will compare the tableview's currentindex. thEClaw. #18. Note that if you see the background in Designer but Oct 5, 2013 · 8. This code has no impact on the color of the qwidgetitem. QColor(100,100,150)) Sets the item's background brush to the specified brush. May 7, 2020 · I'd suggest a small modification: using Qt::white won't always be a good thing, especially if the current style uses a different Base palette color, or if the item view's background uses a custom stylesheet or palette: Qt::transparent would probably be more consistent. Apr 7, 2023 · CommentedApr 7, 2023 at 1:12. Feb 17, 2016 · set cell background to white (default) else. replied to fgdevel on 9 Oct 2015, 09:16. I very hope for your help. tableView. setRowCount(10)tableWidget. QtWidgets import QApplication, QTableWidget, QTableWidgetItem # Create a QTableWidget tableWidget = QTableWidget () # Add an item to the table at row 0, column 0 item = QTableWidgetItem ("Hello") tableWidget. QFont() font. setStyleSheet(stylesheet) This works, however it colors all headers simultaneously without me being able to change the color of an individual header. Then the Proxy model filters out every third index. How to Style. The header text changes color correctly but the background will not change from the default. List of Stylable Widgets. In this app we'll change the background colo Dec 1, 2017 · I'm attempting to change the background color of a cell after a specific condition is met in a PyQt5 UI that will be displaying SQL results in a pandas dataframe. setCellWidget ( 0, 1, QLabel ( "B" )) self. All the time, I get a 2px grid width or no grid at all. By default, for a table constructed without row and column counts, this property contains a value of 0. Setting the item view selector and the selection-background-color property: QTableView { Dec 19, 2017 · I'd like to have different selection color when an item is selected. Also, when I change to Qt. I have resolved my problem with : ui->tableWidget->item (i,j)->setBackground (Qt::gray); 0. void QTableWidgetItem:: setCheckState (Qt::CheckState state) Sets the check state of the table item to be state. However, all the standard methods of setting the background colour do not seem to work for a custom QWidget class. Anyway, it just set the color of grid to red. Thanks a lot! Though an exhaustive one, the above documentation was of good help. backgroundRole(), Qt. You have to do something like. @class MyDelegate : public QStyledItemDelegate { public: MyDelegate ( QObject *parent Nov 13, 2020 · I am struggling with the issue that I am not able to set a border color to a QTableWidget so it would only formate the very surrounding of the widget. ansTable->setStyleSheet ("QToolTip {border: 2px solid orange; padding: 5px; border-radius: 3px; opacity: 200;}"); where ui. It turns out this is very easy to implement using Qt Style Sheets. wrote on 1 Sep 2013, 22:21. findChild(QAbstractButton) button. want to change the color where blue arrow is marked. Here's pyqt code if it helps anyone (it should make any negative numbers red and everything else, including strings or non-numbers, black): class PandasModel(QtCore. I tried self. Jan 13, 2022 · The above will set the background of the item and completely override the style painting behavior (depending on the style), including any further "fancy" drawing that is based on the palette. EDIT 2: Okay so, I managed to create a solution of my own. This is the same as document mode on Mac OS X. I want to draw all grid lines with same color and same width. #12. Apr 19, 2013 · 1. Use QStyledItemDelegate. item(3, 5). May 12, 2015 · Pavel- the first pane shows a QgraphicsScene with rectangles filled with color but opacity is set for all the rectangles , now same colors are been displayed in the QTableWidget but i can't set opacity , so the colors looks different in Qtablewidget. If, on the other hand, I get the 20 pixels left padding, I don’t have the pink background color of the first column. Jan 28, 2022 · 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 Apr 25, 2012 · Using background-color: rgba(0,0,0,0); in your stylesheet, you can get a transparent table. If you like to color the background of the headerView: tableWidget->verticalHeader ()->setStyleSheet ("QHeaderView::section { background-color:blue }"); – OnWhenReady. No model added. There are at least 2 ways to solve this problem. QHeaderView::section{background-color:rgb(120,120,120);color: white;} but i get this How can I change the color of a row of QTableView which has as model a QStandardItemModel? I tried this with no success: index = self. I added following code to add customized tooltip to my qtablewidget => ui. This function was introduced in Qt 4. QApplication (sys. rigTable. I answer the question myself. First, we would use the following application-wide style sheet: *[mandatoryField="true"] { background-color: yellow } Jan 18, 2017 · 4. Only users with topic management privileges can see it. grid. item(row, column) == None: Dec 27, 2016 · replied to VRonin on 28 Dec 2016, 00:25. Oct 13, 2015 · self. I would like to make it that the background of a cell changes based if the new value is higher or lower than the old value. setStyleSheet("QTableWidget::item {border: 0px; padding: 5px;}") Now the cells have a padding of 5px. May 11, 2010 · i have a QTableWidget that is item delegated on a QChoice control ( hope i said it right ) i need to have the cell background color changes whenever a user change the choice control selection briefly: how to change a cell background color in a table widget ?? i use pyqt4 and python 2. Qt. setItem (0, 0, item) 1. red, QtCore Dec 11, 2018 · @Qt-Enthusiast said in how to change the background color of QTableWidgetItem: help me in sample code of how to set grid line color of QtableWidget using setStyleSheet. The code you have chosen to show has nothing to do with QTableWidgetItem or even QTableWidget. However, you can make the background-color transparent ( rgba(0,0,0,0) ) and then you see the background image of the widget shining through. You can change the fontsize with: item = QtGui. Mar 29, 2021 · If you want all cells to have that background color then you can use a delegate: def initStyleOption(self, option, index): super(). Please check your question. argv) ex = Example () sys. setStyleSheet('''. Subclass QStyledItemDelegate. So is there a way to make every item have individual selection color? Sets the item's background brush to the specified brush. This element in the top-left part is not part of the QHeaderView but a QAbstractButton so a possible solution is to apply the stylesheet directly to the button: button = self. Disadvantage is, that also the text is fading out a bit. So the resulted colors are all unordered. background-color: green; }@. – Nishant Kumar. I found the solution with the help of the comment of @musicamante above. setBold(true); QTableWidget 是 PyQt 中常用的表格组件之一，它可以用于显示和编辑二维表格数据。在使用 QTableWidget 时，我们可以通过 QTableWidgetItem 对象来设置每个单元格的属性，包括背景颜色。 下面是一个简单的示例，演示了如何使用 QTableWidgetItem 设置背景颜色： May 23, 2019 · 1. If necessary, the column count is increased to fit the item. May 29, 2013 · I am trying to set the background and foreground color of a QTableWidgetItem that is a Vertical Header Item in a row of my QTableWidget. Obviously, if this is possible. Table. There are two other Model Views available in Qt5 — QTableView and QTreeView which May 10, 2014 · QTableWidget::item:selected {. ansTable is a qtablewidget. QAbstractTableModel): def __init__(self, data, parent=None): void QTableWidget:: setHorizontalHeaderItem (int column, QTableWidgetItem *item) Sets the horizontal header item for column column to item. backgroundBrush = QBrush(QColor(255, 128, 128)) Gives the solution to my question but a new problem arises: the cell colour can't be Jan 19, 2017 · 0. I'm doing this way: background-color: transparent; color: black; font: 10pt "MS Shell Dlg 2"; padding-left: 4px; border: 1px solid #6c6c6c; It looks nice in Qt Designer and in it's preview mode, but when I'm running the program, header is created with default May 2, 2019 · Here's what worked and what didn't (again, for me). In the previous tutorial we covered an introduction to the Model View architecture. I tried implementing QItemDelegate / QStyledItemDelegate but it doesn't work. python. Focus, and edit-focus did not help to set the background color of the editing cell. 1. This is an example: from PyQt5. Please show what you tried to follow his advice. Mar 11, 2011 · Re: QTableWidget background color Hi, QTableWidget_currentItem for the QTableWidget object of my sample application is displayed on the "Methods" page of the Object Browser. void QTableWidget:: setHorizontalHeaderLabels (const Feb 1, 2018 · This topic has been deleted. Aug 31, 2012 · 2. i want to set the color of vertical header in CSS. setColumnCount(5) Oct 3, 2014 · I would like to display a table in Qt with a specific style. horizontalHeaderItem(3) orange = QColor(237,168,89) header3 Jul 26, 2012 · The 1st row is selected by the user and is highlighted, a process in the background updates the values in the table and updates the value in the 3rd row to 4. 8 on Fedora 17 x64 Sep 18, 2015 · F. This method sets the background role of the cell to a specified role, which determines the color of the cell. See also background() and setForeground(). I am using my delegate class's paint method: void Delegate::paint(QPainter *painter, co Oct 3, 2017 · I have a problem setting the background color of a QWidgetItem based on a value changed. background-color: #F9F6F5; Feb 6, 2022 · Solved! Two ways to changed QTableView Row background color when user mouse clicking. Parameters: currentRow – int. I am trying to set the background color of a QTableWidgetItem, but it doenst work? When I try to change the textcolor, it works without any problems. I already know how to change all the headers together, using: ui->tableWidget->setStyleSheet("QHeaderView::section {background-color:red}"); But I need to change the items individually. 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. @VRonin said in Cannot set the backgroud color of the HorizontalHeaderItem of QTableWidget: Q_ASSERT (columnHeaderItem); Good idea, but It is non null. See also horizontalHeaderItem(). horizontalHeader(). self. exec_ ()) main () I know how to set the Horizontal Headers background color, but how can i set the Headers Background Color for a specified Row? In this example, say i want to Oct 21, 2014 · wrote on last edited by. Oct 13, 2014 · label ->setGeometry ( 0, 0, tableWidget ->verticalHeader () ->width (), tableWidget ->horizontalHeader () ->height ()); This doesn't use any hacks or internal Qt stuff so it's a pretty clean solution. Once I double click on the cell to edit the contents of the QTableWidgetItem, the color of the background will change to white. Dec 17, 2018 · painter->fillRect(rect, QColor(0, 0, 0, 30)); } else {. setStyleSheet(stylesheet) Feb 10, 2020 · Displaying tabular data in Qt5 ModelViews. I have the following window with one QTableWidget: and associated stylesheet: QWidget {. Simply put, it will probably be a plain background color. setStyleSheet ('background-color: red;') instead of item. Setting the margin to 0 did the trick: view. @n-2204 said in Qtableview set background color to some columns: stuck for some assignment. Code: void myWin::myFunction(int count, QVector<QColor> sampleInfoColor, QVector<QStringList> info) { sampleTable->setRowCount(count + 1); QFont nameFont; nameFont. I've tried QTableWidgetItem. Jun 26, 2019 · The other entries in my table properly get highlighted when selected on, but for some reason, my checkbox never changes background color when selected. Very easy one: Just use setHeaderData () and set specific colors for specific sections. I want to have different colors for this three "types" of numbers (1,-1,0), coloring their rows with different colors. Dec 10, 2015 · 1. You can probably give the sections differing colors, or make them alternating if you want. Feb 25, 2019 · Is it possible to conditionally change the background color of items in a QTableView, using PySide2? I've read a lot on the model view framework. fgdevel. Sep 16, 2015 · Just call tabWidget->setDocumentMode(true) and set the background color of the QTabBar using the stylesheets. I'm trying to customize appearance of header for my QTableWidget using stylesheet. setStyleSheet(stylesheet) That is if you want different horizontal and vertical headers. It must be really obvious but I cannot seem to get the colour right; I can't find any setting on the form designer to do this so I tried using. item( . #2. PySide2. Modified 2 years, 8 months ago Jun 10, 2020 · I have a QTableView with three columns The second column is about numbers, there are only three types: 1, -1 and 0. backgroundRole(), QtCore. Setting a stylesheet for the QTableWidget does change the background color, but it changes it for all items and I still cannot set Jun 10, 2021 · 2. horizontalHeaderItem(0). If I get the pink background color of the first column, I don’t have the left padding 20 pixels. Supports the box model. Dec 18, 2012 · QTableWidget has a signal itemChanged that needs to be connected to a slot. From there you can use the methods for QTableWidgetItem such as setBackgroundColor to change the background. This is the stylesheet I have for my checkbox : self. #3. T. Once connected to a slot the signal will pass in the QTableWidgetItem that has been changed. Apr 20, 2021 · replied to n-2204 on 22 Apr 2021, 12:21. setBackgroundColor () and QTableWidgetItem. setItem(3, 5, QtGui. Setting a default-constructed brush will let the view use the default color from the style. table. setData(index, QtCore. The model is the QAbstractTableModel, and I want to background color say row 0. Hello, I try to set a background color to my QTableWidget (particular celle or row) with setBackgroundColor. background-color: red; color: white; 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. From Qt Documentation: This property holds whether or not the tab widget is rendered in a mode suitable for document pages. I'll quote the wise @mrjj. QtWidgets. How to change Qtablewidget's specific cells background color in pyqt Nov 28, 2022 · The section indicated in the image represents the cell that is in text editing mode and changes its background color to white. tableView = QTableView(self. I have also attempted to change the QTableWidget's QPalette's Highlight color, without success. Jul 24, 2019 · To change selection color for the whole table, I can use: QTableWidget* table = new QTableWidget; table->setStyleSheet("QTableWidget::item{selection-background-color:#ff0000;}"); To set the usual background color of the single cells, it's possible to write in the following way: Oct 13, 2015 · I know how to set the Horizontal Headers background color, but how can i set the Headers Background Color for a specified Row? In this example, say i want to have the Header Row with the Label "3" to be red? The above screenshots code: 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. setColor right now I just wanted to change the colour of that one cell when I clicked on the particular cell. I'd also adapt your answer to actual python code, since the question uses Dec 25, 2023 · I need to change the background of cell (1, 1) or any cell (m, n) of QTableWidget in runtime but background of other cells is defined with app. The result that I expect to obtain is that the background and text color does not change when it enters editing mode. #1. I wish the color to remain while the user is editing the cell. Ask Question Asked 3 years, 5 months ago. setAutoFillBackground(True) p = table. cellWidget (0, 1). setData(0, QtCore. The following table lists the Qt widgets that can be customized using style sheets: Widget. Posting it here for anybody in need, although I believe the solution to be not great and possibly not working for other uses than mine. Alternatively: QTableWidget::item{ background-color: blue } QTableWidget::item:selected{ background-color: red } edited Jul 9, 2012 at 22:30. setColor(QPalette::Base, pal. BackgroundRole, None) It's worth noting that when a background has not been set, the background() method will actually return a null QBrush rather than None. However, we only touched on one of the model views — QListView. Sep 4, 2019 · I am attempting to create a custom QWidget (from PyQt5) whose background colour can change. I prefer this over the popup from a user perspective. I want to change some background color of the tableWidget's cells. set color to cell background. I want to maintain my existing stylesheet for the QtabWidget and only add the blue background in the area marked by the red arrows. This code did nothing to the header: tableView->horizontalHeader()->setStyleSheet("background-color: black;"); This code worked but also changed the border of the whole QTableView Widget: tableView->setStyleSheet("QHeaderView::section {. 6 thanx in advance Apr 26, 2021 · 1. QTableWidgetItem()) self. Mar 5, 2015 · I wanted to know how I could change the background color of the QtabWidget. QHeaderView::paintSection(painter, rect, logicalIndex); The advantage is, that it respects the settings of alternating rows of its parent and uses the visualIndex, so that it appears correctly on the screen. In short i want to add a background color under the tabs. ui->tableWidget->setStyleSheet("QTableWidget { gridline-color: yellow }"); Mar 22, 2020 · Qt newbie here. Here's an example. I cannot figure out if it is necessary to use a Delegate or not. This tutorial is also available for PySide6 , PyQt6 and PySide2. After creating a custom QLabel class that opens a QInputDiaglog popup when double clicked to change the value displayed in the cell, I realized that a QTableWidgetItem can be double clicked to edit its value. Now I want to make the 3rd row have a red border around it. You should check Qt Sylesheet Reference. setPalette(p) it does this: (I can't post images and I can post only two links!) I try to put the link in comment. I have a matrix created by QTableWidget, I have multiple threads that changing the colors of the cells, I want to see the coloring changing immediately after setting the color. answered Apr 26, 2021 at 22:42. Background role, I get some "tickbox" in my cell that I don't want. the teacher will catch it and fail them if too much code is just copied. @jsulm told you to to use QTableWidgetItem::setBackground() to set item background color. QTableWidgetItem() font = QtGui. QBrush(purple)) header3 = widget. – OnWhenReady. Also the property cellClicked is returning only row number. I also tried ``` ui->tablewidget-item(row, column) ->setData(Qt::BackgroundRole, QColor (250,0,0)) Even that doesn't work. The coloring works, but all rows get colored, instead of the row that I specified. In other words, in this case, keep the red background and the white text color Feb 20, 2021 · I use a QTableWidget, not QTableView. Oct 1, 2015 · QTableWidget::item {selection-background-color: transparent; selection-color: transparent;}; QTableWidget::item:selected{ background-color: transparent } But these affect the background and text colors of the cell, respectively. Example of handling double click of a cell: connect ( m_pTableWidget , SIGNAL ( cellDoubleClicked ( int , int ) ), this , SLOT ( cellSelected ( int , int ) ) ); Sep 11, 2014 · ui->tableWidget_2->setStyleSheet("QTableWidget::item{background-color: red;}"); In header: bool eventFilter(QObject *obj, QEvent *event); QString string; As you can see, with stylesheet you can customize your cells, so you can do much more than changing background color, of course, if you want this. setStyleSheet(STYLE_SHEET). Sep 5, 2017 · One way to change the colors is to use a delegate. Apr 11, 2017 · You must first create an item in that place in the table before you can set its background color. Hi, I'm just curious if it's possible to access and set properties to the top-left cell of a QTableWidget when the horizontal and vertical Jan 4, 2018 · With this perspective there might be only two possible solutions. For me the following works: @QHeaderView::section {. Otherwise, this should do the job. If you just want to colour the background of the tab body, then set the background role of its top-level content widget: widget = QtGui. tableWidget. 2. palette() p. See also checkState(). My assumption is the condition would need to be set within the QtTableWidget in the process of taking the dataframe results and pasting them into the window, and not through the Mar 24, 2016 · stylesheet = "::section{Background-color:rgb(190,1,1)}" self. All derivatives of QAbstractScrollArea, including QTextEdit, and QAbstractItemView (all item view classes), support scrollable backgrounds using background-attachment. Nov 1, 2021 · The problem is the following: I can’t get a pink background color first column and 20 pixels left padding at the same time. setPointSize(14) item. Code: This property holds the number of columns in the table. I cannot use stylesheets since I want to change the color of a specific row at runtime. currentCellChanged(currentRow, currentColumn, previousRow, previousColumn) ¶. For this we must get the current background color, the task of getting the background color is tedious since a QTableWidget has its own color as its background, it also has the colors that you add to QTableWidgets and other types of elements so my answer currently has limited support but the idea is scalable. index(0, 0) model. setGeometry(QRect(550,10,510,700)) May 6, 2013 · 1. 2. setColor(table. . stylesheet = "::section{Background-color:rgb(190,1,1);border-radius:14px;}" Table. Is it possible to change color when clicked/selected and return to default color when not selected. This function works with QTableWidgetItem but cr Oct 7, 2021 · In this video I'll show you how to add a Menu to your PyQT5 App and do something whenever a menu item is clicked. setAutoFillBackground(True) palette = widget. QTableWidget set header labels. BackgroundRole): option. QTableWidget. data(Qt. This because the underlying Qt code does this: return qvariant_cast<QBrush>(data(column Aug 4, 2019 · I have a table widget. setPalette(palette) # add layout and child widgets. It clearly states that you try to color the header. I have a QTableWidget and I'm trying to change the row highlight selection colour from the default dark blue to the light blue that you see on every table widget in the QtCreator. This works for me. How can i do it? self. Oct 7, 2008 · It is usually white or another light color. Also, changing the alpha channel, you can have a great effect on your table. setFont(font) I am not sure how to change margin and spacing. QWidget(tabwidget) widget. Jan 10, 2012 · Re: How to change the background colour of the QTableWidget? Or when you're starting to search change color for QPalette::Highlight on the table widget to red and 'select' item using setCurrentIndex(). background-color: #333333; Jan 6, 2017 · For me, using PyQt4. initStyleOption(option, index) if not index. In case anyone comes here for how to make negative numbers red in a table, warvariuc's answer just about nailed it. So the next logical step would be: self. setColor(widget. Problem is, that it is hard to style QHeaderView. The columnHeaderItem->setBackground (QBrush (QColor (0, 255, 0))); does seems to have no effect :) When used in header. Apr 4, 2014 at 22:50. setBackground(QtGui. When this property is set the tab widget frame is not rendered. nj vl wp jm cu lz ol td kl yg