Qtablewidget fill space. I'm sort of new to programing and python.

Qtablewidget fill space h: #include &lt;QtGui&gt; class Test : public @JokerMartini QTableWidget is a QTableView with a model, so in a certain way it is using the model but the objective of QTableWidget is that the developer does not know about it and can work without problems, for example the QTableWidget allows you to change the values but not the keys since there is no access or representation, in the end if I wanted to give the user also an immediate view of the results via Qtablewidget. If column #3 pushes the table's width Oct 12, 2017 · I am trying to make a dynamic Qcombobox (arranged within Qtablewidget) fill sourced from SQLite3 database. When I want zoom in/out I call th Sep 12, 2016 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. For example, if I resize the window smaller, the items width and height should decrease in size but there should remain the same number of items and the items should still completely fill the parent QTableWidget. Aug 5, 2011 · To extend @Chris' answer and provide additional information: If you want to add data (i. But now, i want to Open a existing csv file and populate my table with this data. May 22, 2014 · Have a look at below image, which is a QTableWidget : You can see that it's a rows with alternating color. I tried self. py, where MainWindow. If column #3 pushes the table's width past what's available, I want column #3 to be truncated w Jun 7, 2017 · I am able to adjust the tables correctly while increasing the window size, that is, the cells maintain equal sizes and the QTableWidgets adjust their sizes to the free space. Typically, QAbstractItemModel's data() method provides a SizeHintRole that is used to tell the view what size each cell should be. addStretch(1) Jul 18, 2015 · I'm having an instance of QTablewidget with some columns a few rows and some data in it. Dec 13, 2024 · Stretch Mode Set the resize mode of the header to QHeaderView::Stretch to distribute available space evenly among columns. Also, do you really mean no space at all between the edge of the header and its text? Surely there needs to be some padding there. Addressing the image you've given above as an example: My goal is for the width and height of the items to automatically resize based on the size of the parent QTableWidget. Aug 6, 2018 · In the previous command you are creating a new window, and that window has its own QTableWidget, and you are adding those values to that QTableWidget. The table is part of a QWidget that is using a grid layout. Please help me, many thanks ! Nov 10, 2021 · The default minimum section size is computed by the current style and font. (Be aware of the size policy in this case, perhaps you'll have to also change the minimum/maximum sizes each time) Expanding the PyQt6 QTableWidget . values) 6. The internal widget may be bigger, smaller, or the same size as the viewport the scroll area has to display it in. The first column has an index of 0, the second has an index of 1, and so on. Maximum cuts off some of the rows and columns in the table. App(int argc, char** argv) : app(argc, argv) , layout(QBoxLayout::TopToBottom) void QTableWidget:: setCurrentCell (int row, int column, QItemSelectionModel::SelectionFlags command) Sets the current cell to be the cell at position (row, column), using the given command. _data. Feb 12, 2019 · I currently have the python function (below) to build a QTableWidget from a pandas dataframe (df). and with. Thank you! That's just the extra space that the table view didn't need for your columns in its current state. Which gives a --in my Mar 31, 2014 · maybe you should check the values returned from tableWidget::item(), because the functions can return 0 if no item is asigned to the provided coordinates, and in that case you're trying to call a method (QTableWidgetItem::text()) on a zero pointer. e. I want to change some background color of the tableWidget's cells. QTableWidget(2, 2) table. if there are two rows in the table, the first row is 40. 'addRow(self)' to create and populate a row on QTableWidget with values from QLineEdit. ResizeToContents) thanks to Fabio's comment but it doesn't fill all the available space as needed. Jul 27, 2022 · I use PyQt5 in order to make a GUI for my program, and I have a button which is responsible for listing all of the data in the database and a QTableWidget being responsible for holding the data. SelectRows) myTable. Starting off where you leave the data, here is how to fill the QTableWidget from the data: Mar 6, 2023 · How to make QTableWidget fill all available window space and show vertical scroll bar if it's larger, but avoid blank white space if it's smaller? I want my QTableWidget to: Fill all available space inside the window Show vertical scroll bar if it's longer than the provided space Adapt to changing window geometry Do not show blank white space The basic idea is to use QScrollArea as a container for the QLabel and if needed use label. If you don't want the table to resize when the main window resizes, do this: horizontalLayout. i have the following code defining the gui of my app class Ui (object): def setupUi(): self. Has you can see the widget read the number of column and rows of the variable but does not fill the cells. 18 µs ± 5. Is there something I missed out? I would really appreciate your help! @ #include "qtablewidget. Nov 26, 2018 · I have a simple code that Creates a QTableWidget. You can override the size of a section by using setColumnWidth():. You will say: if I am creating a window why it is not shown? , firstly because you do not call show, and secondly it is because it is a local variable that is eliminated when it finishes Jan 13, 2010 · Selection highlight in PyQt4 QTableWidget fill selected cell's background with full block color 1 How to remove the particular row borders in table widget using pyqt4 Learn how to use a Table Widget, or QTableWidget with Python PyQt5. from PyQt5 import Jul 11, 2016 · QTableWidget: cannot insert an item that is already owned by another QTableWidget I still don't understand because i am a newbie with QT. size(); i++) { User user = Poco::AnyCast<User>(*it); ui. I have been able to get the column widths to resize using resizeColumnsToContents(), and the table itself does adjust when you adjust the window, but the headers don't adjust. if you set height of each row to 40, the height of the blank space would be 600 - 2 * 40 = 520. data. You can make the cells fill the available space by stretching the last header section. setStretchLastSection(True) This will ensure that the last column is automatically resized to fit the available space in the table, leaving the width of the other columns as they are (and resizable by the user). If a row has 3 words in it, the vertical space given to it is 3 lines. I can't think of anything right now. Now I am searching for a way to make the columns fill the full width of the tablewidget. exec_()) Nov 18, 2021 · @Publicnamer said in QTableWidget automatically sizes rows too large: If a row has 1 word in it, the vertical space given to it is 1 line. If that's what you want to prevent, you could insert the QTableWidget inside a QVBoxLayout, and add a stretch at the end of the vbox to fill the remaining space. Problem is when I resize the window, columns of QTableWidget are not automatically adjusted to fit entire screen. setSelectionMode(QAbstractItemView. when running with timeit on a df that is (1000,1000): In [5]: %timeit len(df. How can I set the height of the table to a decent value (like 20 rows) while still allowing the table to resize? I've tried calling table. table. So basically what I want to see: Short table without white space Jan 3, 2020 · The supplied image demonstrates what I'm after. I tried to solve it like this: Aug 5, 2013 · I'm trying to make a simple UI with: a qtablewidget, a pushbutton and a status bar. I would like this QTableWidget to default to a size that shows all cells. In your example, create the item before you attempt to set the background color. setScaledContents(bool) and scrollarea. And adding an empty column makes things pretty ugly. You may have noticed, that in the above image the Table we created does not expand automatically to fill up all available space. 050719) This is . show() sys. g. I am new to Qt. You will always be limited by the amount of available memory (and disk space) on the system. horizontalHeader(). Apr 20, 2012 · First element is QTableWidget and second is QVBoxLayout. Mar 10, 2021 · I have a QTableWidget that has a column (#3) that needs more space than others. Oct 1, 2018 · When using widgets inside the QTableWidget are not really the content of the table, they are placed on top of it, so resizeColumnsToContents() makes the size of the cells very small since it does not take into account the size of those widgets, resizeColumnsToContents() takes into account the content generated by the QTableWidgetItem. Code as below: Using a grid layout is probably the best choice, as item views are better suited for showing item models and not to contain GUI elements. rowCount() #necessary even when there are no rows in the table tableWidget. In case this is a feature you want, you can use either one or both of the below commands to make the Table expand. tableWibget->horizontalHeader()->setResizeMode(QHeaderView::Stretch); it fits all the space, but sometimes content of some cell doesn't shown fully. void QTableWidget:: setCurrentItem (QTableWidgetItem *item) Sets the current item to item. This is before sorting This is after Mar 19, 2014 · Let's say I have a MainWindow. The problem is that initially it is created with a fixed size. Oct 5, 2021 · The purpose of a MRE is exactly to reproduce the problem, so right not your code is not very useful. . then, the second one is 600 - 40 = 560 if you don't wan't blank at the bottom of the table. Column index This is the integer index of the column whose width you want to modify. Access the relevant header using horizontalHeader() or verticalHeader() and set the header's stretchLastSection property. The simplest approach is to create the full-size DataFrame first (filled with NaN) and then assign the data to this: Sep 2, 2019 · As figured in the screenshot, I want to remove the blank space between the cell border and cell widget. I have seen other examples using QTableView in this post How can I retrieve data from a QTableWidget to Dataframe? but this still operates over individuals values rather than arrays or lists. ui that defines the layout of MainWindow. Display data in your Table Widget. I would try to diagnose this. First of all I use QDirIterator to fill QStack, then in different thread I get necessary information about file by QFileInfo and add row in QTableWidget with this information. setColumnWidth(1, 15) Jan 18, 2017 · Because in your screenshot, the gap at the top of the column is larger than it is at the bottom (and if you use a smaller font, the difference is going to be even greater). of 7 runs, 100000 loops each) In [7]: %timeit Feb 4, 2016 · Below is an example program that will create a view as you needed. Mar 28, 2016 · But the other condition is that I want it to always at least fill up the rest of the tables space so that there isn't a blank white area to the right of the column. Sep 24, 2022 · The color is faint, but looking very close on the image, we can see that the QTableWidget gray border stretches to the bottom of the image area. exec_()) for (int i = 0; i < page. tableName = QtGui. Format and resize your Table Widget. setSizeAdjustPolicy(table. to do so I have to variables self. Dec 13, 2024 · Setting Column Width in QTableView . table_size which is an int. But setting the size of a QTableWidget to a specific count of rows/cols isn't possible as far as I know, at least not from within QtDesigner. We'd like to increase this for all four directions to give the text in our list some extra space. 21 ns per loop (mean ± std. I'll take any ad Dec 19, 2016 · Nice program, but it seems that the calculation is missing some spacing: Notice that the left-margin is always 0 but there is a visible gap between the left edge of the column and the start of the text. Logic is Mainwindow-> Central Widget-> Add Vertical Layout-> Add Tab Widget Jan 7, 2012 · Is there any way to set the "correct" size of a QTableWidget? (I'm a newbie) This test code is only 25 lines long, in two files, with the file Test. Jul 29, 2019 · I have a problem concerning PyQt5 and widgets resizing in a QMdiSubWindow : the widget, a QTableWidget, should take all the width of the window, but it is only kept in the center, with a fixed widt Feb 16, 2022 · My question is: how to remove all this white space and make it shrink to fit only the table? Update: After adding these lines of code: table. QtCore import * from PySide. Jul 17, 2015 · if anyone is experiencing slowness or sluggishness when using the PandasModel, the issue for me was how rowCount is calculated. Additionally, to resize QLabel while honoring aspect ratio use: Dec 18, 2022 · The thing is, the record does get inserted into the database and I think the issue is with the calling of stored procedure with a select query passed to it and whose result can then be populated into the QTableWidget. Since you're using QTableWidget, I don't think there's anything that you can do to change the size hint being returned by its internal model. 2024-12-13. The layout then will try to resize the QDialog when the QTableWidget wants to force another size. Nov 13, 2019 · And even if it supports a virtual maximum size of 1048576 rows by 16384 columns, that doesn't mean you can fill every cell with data. Apr 22, 2014 · QTableWidget* mainList = new QTableWidget; QHeaderView* header = mainList ->horizontalHeader(); header->setSectionResizeMode(QHeaderView::Stretch); OR There is a header flag to ensure that the QTableView's last column fills up its parent if resized. It always give same result back. Apr 18, 2013 · You'll probably have to resize your TableWidget yourself, calculating the necessary space each time an item is added or removed. you can't require (a total height 600) + (two rows, 40 for each) + (no blank Feb 12, 2019 · I currently have the python function (below) to build a QTableWidget from a pandas dataframe (df). Apr 15, 2018 · I'm using QStack to store paths and QTableWidget for showing next information (File Name, File Path, File Size and Last Modified Date). Jan 12, 2023 · it's me answering my question, here is the code that I used to get a QTableWidget with the copy/paste options outside and within the App, with two possibilities, with ContextMenu and KeyPress. Please check your code, try to reduce it until you are not able to reproduce the problem anymore, and if you still don't understand the reason of the issue, then reintroduce the step that creates it and provide that example. Jul 8, 2014 · 2do : fill the cell on QtDesigner with a value, with this Qtdesigner create the tables items 3th : you can crare each element you need to use on the setupUi funciton as : item = self. Aug 15, 2018 · 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 5, 2011 · To extend @Chris' answer and provide additional information: If you want to add data (i. in addition to the answer I linked above on the post here are the links to other posts where I found some help link1 link2 Aug 13, 2012 · How can I sort a coloumn in pyqt by the highest number? Currently I have setSortingEnabled(True) and that only sorts it by the most numbers (ex. QtGui import * import sys app = QApplication(sys. I am trying to have a QTableWidget stretch horizontaly to fit the window width but I can't find how to do it. setText(_translate("MainWindow", " ")) Sep 15, 2020 · I'm trying to have a zoom in/zoom out effet on a QtableWidget. SingleSelection) myTable. Anyone knows why? Best regards Dec 6, 2022 · I have a question on how to resize a QTableWidget's header and columns. I'm sure that my Qt code is good but I don't know my it doesn't work. (Be aware of the size policy in this case, perhaps you'll have to also change the minimum/maximum sizes each time) Nov 23, 2017 · To expand to fill the white space tablewidget->horizontalHeader()->setStretchLastSection(true); tablewidget->verticalHeader()->setStretchLastSection(true); To prevent expansion into whitespace (but might require you to set a maximum size manually) tablewidget->setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContents) Dec 10, 2015 · I have a QBoxLayout in QBoxLayout::TopToBottom alignment mode to which I have added 2 QFrame widgets. table->setItem(i, 1 Apr 18, 2013 · Now I am creating a QTableWidget by code & adding it in position 0,0 of gridlayout of frame1. QSqlQueryModel *model = new QSqlQueryModel(); model->setQuery(query); int i; QSqlRecord row for(i = 0, row = model->record(i); !row. setMinimumHeight(200) but then the table can NEVER be smaller than 200. userName)); ui. exit(app. setItemDelegateForColumn(MyDelegate()) This solution differs from the ItemIsEditable solution in the sense that you can still select and highlight items in the column. Here's what the table layout should look like (sans pipes, obviously): Jan 8, 2013 · I use setCellWidget() method of the class QTableWidget but It puts A LOT of space between the widget border and the cell border, is there a way to remove this cell padding. no extra space after the rightmost column). The rest of the columns I'd like to be able to resize manually (so they'd have to stretch proportionally so that all space is filled). it's working but the full text is not displaying, it show three dots instead like there isn't enough space: if i double click on a row it will display the whole text: Dec 16, 2019 · PyQt4 QTableWidget: Set row width and column height to fill parent widget 45 PySide - PyQt : How to make set QTableWidget column width as proportion of the available space? Apr 18, 2013 · You'll probably have to resize your TableWidget yourself, calculating the necessary space each time an item is added or removed. Jan 2, 2017 · When I display this everything is fine but the QTableWidget only shows a few rows. The floowing code snippet and image show that, on resizing horizontaly the program window, the QLineEdit stretches to fit the window width but the QTableWidget doesn't. The requirement says, upon clicking on the push button, the same QTableWidget should show only rows which contain the string entered into the line edit. For QListWidget there's setContentsMargins which is inherited from QWidget but that is for the widget as a whole (rather than individual entries). If the users doubleclicks on a cell, a dialog should be displayed, if the user doubleclicks on a blank area of the QTableWidget, a new row should be appended to the table. QTableWidget is a convenience model and view. void settingsDialog::onAddFieldButtonClicked() { fields Dec 4, 2009 · What you could do is calculate your tableview columns widths according to the data they have (or you can just call resizeColumnToContents for each column to size it to its content). isEmpty(); i++, row = model->record(i)){ // Get each field using `value` method of variabale 'row' // and insert this fields to its May 24, 2013 · I'm trying to fill a QTablewidget with matrix of vectors, I have the following code. But the table uses all window space, so I just can't see the pushbutton Jul 14, 2019 · How can I achieve to fill QTableWidget with data from it? In my table, I've got 4 visible columns - Date, Type, Published, Sent and one hidden - ID (formatted date, e. void QTableWidget::setCellWidget ( int row, int column, QWidget * widget ) My problem is now, that the paint method of the custom widget isn't called. I would like the form_frame to stretch to fit both vertically and horizontally when the window is resized, but at the moment it only stretches horizontally. It's essentially just a QTableWidget with the following behaviour: Fill the available space. Jan 5, 2016 · To use QSqlQueryModel with a QTableWidget, you should iterate through QSqlQueryModel row by row and add them to your QTableWidget. table->setItem(i, 0, new QTableWidgetItem(user. Would it be possible? I would appreciate any idea or suggestion about how to do it. item(X,Y) item. Feb 11, 2022 · I want to fill or read from QTableWidget in a 'vectorized' way as per operating over array rather than row,col values. Mar 25, 2013 · So you need to populate your QTableWidget with empty items first. h" #include <vector>@ @class Test {public: Test(){}; MainClass obj; Mar 8, 2021 · I have a QTableWidget that has a column (#3) that needs more space than others. I want the QTableWidget and QVBox layout to share the spaces automatically without giving size constraints to it. Use view->horizontalHeader()->setStretchLastSection(true) to make the last column expand to free space. The simplest is: table. QTableWidget(self. Using QHeaderView::setResizeMode(): Aug 18, 2021 · There is a fixed size QTableWidget with some rows and columns, the rest of the QTableWidget is blank and unoccupied. 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. QMainWindow): def Jun 8, 2022 · Im building a GUI where i have the need to display data from a few CSV-files onto the screen. With a picture it should be all clear: I have used Qt Designer to create the UI and some code to fill all the widgets and other stuff. This can be done at the creation of the table object (in the constructor), or changing the size of the table before inserting items. 1,1,1,1,2,2,2,3,3) i want to do it by the highest nu for (int i = 0; i < page. setResizeMode(QHeaderView. I think it can be adjusted by style setting, but I didn't find any useful documents about Qt style setting. I read some examples and tried but it doesn't work very well. index). See also setCurrentItem(), currentRow(), and currentColumn(). I want to resize all columns to their contents, and give priority to column #3. tableName. Please find the snippet below: from PySide. Because if there is nothing in the cell and the above mode is applied the column width shrinks to the size of the header name "File Path" which is too small to take up the rest of Aug 2, 2018 · In your explanation does not indicate the problem you have, you put irrelevant things, so I assume that your problem is that you do not know how to fill the QTableWidget with data from a sqlite, I have modified the duplicate question to one where it indicates exactly how to do it. I tried with a stylesheet: @ QTableWidget::item{border: none; padding: 0px; margin: 0px;} @ but it didn't work May 18, 2021 · Following the docs of QTableWidget, before adding QTableWidgetItems into cells you must declare the size of the QTableWidget (rows and columns). Jul 5, 2010 · I'm working with the QTableWidget component in PyQt4 and I can't seem to get columns to size correctly, according to their respective header lengths. I've tried but cant come up with a solution. Provide details and share your research! But avoid …. AdjustToContents) table. So, first I resized th2 2 columns to the content with: Feb 1, 2017 · This will add an expanding spacer which pushes the table over to the left, and it will also make the table columns stretch to fill the available space. Here's what the table layout should look like (sans pipes, obviously): Sep 28, 2022 · @ChrisW67 said in Widgets do not expand to fill the entire vertical space of the screen ? The QScrollArea, your outermost widget, provides a view onto an internal widget of indeterminate size. class MainWindow(QtGui. Does anyone know how to do this? Thanks a lot. Below is represented how the widget read the variable for a specific example. Work with the QTa Apr 18, 2013 · Now I am creating a QTableWidget by code & adding it in position 0,0 of gridlayout of frame1. This is illustrated in the figure below. However, when I put a QSplitter within a QWidget, and add a tab using the QWidget, it will not use the give space - only what the splitter size is. Sep 16, 2017 · I'm trying to customize a QTableWidget in a specific way, but I'm not entirely sure how to go about it. Unfortunately, the default Size Hint used by QSizePolicy. Maximum) Sep 5, 2017 · One way to change the colors is to use a delegate. item(3, 5). values returns a numpy array, which is a magnitude slower than len(df. void settingsDialog::onAddFieldButtonClicked() { fields Nov 26, 2018 · I have a simple code that Creates a QTableWidget. Additionally, use view->horizontalHeader()->setResizeMode(QHeaderView::Stretch) to give columns the same width. Also, I want all the columns to have the same width. You should give that a try. May 26, 2012 · By default, the cells in a table do not expand to fill the available space. Neither Interactive, Fixed, Stretch, ResizeToContents from the QHeaderView documentation seem to give me what I need (see second edit). Things I have tried: Jan 6, 2014 · I would try to exploit. The underlying data (for demonstration and simplicity sake) might be found within the table produced by following code: my column are resized to content, but that doesn't look good when content is small and grid doesn't fit all the space. May 1, 2013 · I want to exploit all the space available on my cells: therefore I want to reduce (or even set to zero) the number of blank pixels at left and right side of my text, and forbid the substitution of text with ellypsis. Jul 1, 2022 · I'm using a QTableWidget with four column witch i programaticaly fill with QTableWidgetItem in a loop. In your case, you probably have created a table with a size of 1 row space can't disappear magically. let's say the total table height is 600. tableWidget->setItem(8, 0, new QTableWidgetItem); tableWidget->item(8, 0)->setBackground(Qt::red); Dec 20, 2011 · There are a few methods of the QHeaderView class that will probably do what you want. push_back and fill a new row): tableWidget->insertRow ( tableWidget->rowCount() ); tableWidget->setItem ( tableWidget->rowCount()-1, yourColumn, new QTableWidgetItem(string)); // repeat for more columns 'addRow(self)' to create and populate a row on QTableWidget with values from QLineEdit. I hope someone could give some use Jul 3, 2010 · Well, Qt's logic is so, that after column resize, scroll bar area checks how columns fit into it. Oct 11, 2019 · I'm using a QTableWidget that I've initialized in this way: myTable = QTableWidget() myTable. Jan 6, 2021 · if the window is resized to a bigger size, there will be a lot of unused space (and it will look ugly); what you see on your screen is almost never what others will see in theirs: different default font or DPI will potentially force some widgets to increase their minimum size, with the result that some widgets will overlap with others; Mar 6, 2019 · I have a QTableWidget, i export the data from this table to a csv file. table. json file I get from database Sep 1, 2020 · You have to implement a custom painting through a delegate, also it is better to set a default size override the sizeHint() method of the delegate and calling the resizeRowsToContents() and resizeColumnsToContents() methods: Jun 5, 2014 · tableWidget = QTableWidget() currentRowCount = tableWidget. – Jul 18, 2022 · I am trying to solve the sorting issue and found this answer: QTableWidget Integer So I borrowed the code, and tried to test and fill multiple columns. Aug 15, 2013 · A combination of using QWidget::setSizePolicy() and QBoxLayout::setStretch() (or more likely QBoxLayout::insertWidget(, int stretch = 0, )) will allow you to acheive the behaviour you refer to where only certain objects expand to fill available space, while others remain a constant size. Could it be because of the Spacer's? Jul 5, 2010 · I'm working with the QTableWidget component in PyQt4 and I can't seem to get columns to size correctly, according to their respective header lengths. Asking for help, clarification, or responding to other answers. I am getting the following error: AttributeError: 'module' object has no attribute 'QTableWidgetItem' My code: Jul 24, 2018 · I have a QtableWidget with data in it. I'd like to know how Feb 25, 2014 · So the question is how to do that dynamically, I mean, each time a button is pressed, a new tab/table should be created, and the code above should be re-used every time to fill the new table created. void QTableView::resizeRowToContents ( int row ) [slot] Resizes the given row based on the size hints of the delegate used to render each item in the row. QColor(100,100,150)) and it returns this error: Dec 22, 2015 · Generate your QTableWidget and fill it with the data; How you read the headers depends somewhat on your expectations, if you make no assumptions about the input data, then you will have no headers. QItemDelegate): def createEditor(self, *args): return None table = QtWidgets. push_back and fill a new row): tableWidget->insertRow ( tableWidget->rowCount() ); tableWidget->setItem ( tableWidget->rowCount()-1, yourColumn, new QTableWidgetItem(string)); // repeat for more columns In my application, I have QTableWidget displaying multiple rows, a line edit to enter a string and a push button. This adjustment is done by overwriting the resizeEvent of QTableWidget class and by setting row and column stretches for QGridLayout. When I click that button, it needs to put the data in the database into the QTableWidget, but it gets nothing for me. A fixed width column on the right. If a row has 2 words in it, the vertical space given to it is 2 lines. setWidgetResizable(bool) to fill available space and/or ensure QLabel inside is resizable. Is there a way to achieve this? Jun 29, 2016 · I've also tried table. Dec 17, 2020 · You are resizing all columns manually, including the "Description" one, but I believe that what you want is to adapt that column automatically, so that it occupies as much space as possible, while keeping the other at the same width, right? – 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 Sep 21, 2020 · I am trying to sort a numeric column in QTableWidget using PyQT5. Jun 4, 2014 · class MyDelegate(QtWidgets. setSelectionBehavior(QAbstractItemView. I couldn't find a way in the doc. setAlternatingRowColors(True) At app's start, my table has two columns but is empty (no rows) and I've a button to add rows one by one. insertRow(currentRowCount, 0, QTableWidgetItem("Some text")) To clarify the last line of code, the first parameter of insertRow() is the current row, the second one is current column (remember it's always 0-based Feb 14, 2022 · I have such output: {'heatpump': [{'Topic': 'TOP0', 'Name': 'Heatpump_State', 'Value': '1', 'Description': 'On'}, {'Topic': 'TOP1', 'Name': 'Pump_Flow', 'Value': '9. Jan 8, 2013 · I use setCellWidget() method of the class QTableWidget but It puts A LOT of space between the widget border and the cell border, is there a way to remove this cell padding. myfont which is a Qfont objet and self. The results of the search are store as dictionary to self. Maximum, QSizePolicy. You can have the last column fill all available remaining space by setting the stretchLastSection property to true. Jun 7, 2016 · I think you're overcomplicating it a little with the updates/joins. Jun 26, 2018 · 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 15, 2022 · I want my QTableWidget to: Fill all available space inside the window; Show vertical scroll bar if it's longer than the provided space; Adapt to changing window geometry; Do not show blank white space underneath, if it's smaller than the provided space (without stretching bottom row). tableWidget. py looks a little like this:. And if the sum of all columns' widths is less than the widget's visible width, then the last column gets resized to fill up the space leading to no visible result of calling setColumnWidth(). QTableWidget does not appear to have a setSizeHint() method. I didn't set any spaces to the layouts or the widgets inside the layouts. self. May 22, 2012 · So what you need is to fix the size of the QTableWidget; the QDialog doesn't have anything to do with this. I've looked at the documentation for both QListWidget and QListWidgetItem and can't find anything. I want the QTableWidget, when it is expanded, to expand according to the following rules: All columns will expand equally, much like the functionality of the setResizeMode(QHeaderView. I want to add a widget (a QGLWidget) to the verticle layout (mVisual) and have the layout resize so that mVisual occu Dec 6, 2016 · I have a QTableWidget with 2 columns and what I'm trying to do is to make them visible to the whole widget without the horizontal scrollbar to appear. Using QHeaderView::setStretchLastSection(): Stretch Last Column Make the last column stretch to fill the remaining space. Mar 5, 2013 · I am having some trouble making a new QT widget fill all the available space. how can i do it? This is my export code, i Sep 4, 2018 · If I have a QTableWidget, and I set the cell's column span using setSpan, Qt sizes the table as if the contents of the cell are entirely in the first column of the extended cell. I'm sort of new to programing and python. The table is laid out in such a way that it consumes more space than is strictly necessary to show only the 5 rows and 3 columns -- the widget's frame is larger than the actual table, so there's white space along the right edge and bottom to make up the difference. But you can also see that it's not vertically filled the table. dev. setObjectName( Mar 11, 2021 · I have worked on QTableWidget,the question is how to make a Qicon to fill in the entire grid or QTableWidget in QtableWidget,even stretch with width or height of the grid,thank you. However, the second column doesn't get filled Aug 17, 2018 · 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. Help is needed. Due to my needs I set QComboBox inside some columns and fill them with necessary data. Jul 18, 2017 · An elegant solution is to create a custom class that inherits from QTableWidget, where you connect the itemChanged signal, this is issued each time the cell changes value (this returns the changed item but will use it only to verify that the default columns are the ones have been changed). What you're missing is the widgetResizable property: Jan 10, 2012 · I try to insert a custom widget into a QTableWidget using the setCellWidget function. 'sumCol(self)' to loop through each row, add each item of a column to a list, find the total, and print to QLineEdit. setBackground(QtGui. Dec 27, 2013 · When the QScrollArea is shown, the QTableView has extra space to the right of the last column that I want to be removed : I want the QTableView to fit the exact width of the columns (i. Here, I will assume the headers are on the first row. Stretch) May 12, 2011 · For a question of ergonomy, i want to add a space between 2 columns of my QTableWidget. Actually two resizes happen - to shrink and reverse to Oct 10, 2023 · I have a QTableWidget and I want to sort the components of this table according to the values of the zero column, I used this code : ui->tableParticle->sortByColumn(0,Qt::AscendingOrder); but it gives no good results, the image below shows you the problem I sought solution but found nothing, sorry I can't put all the code because it's very long. Now when I am adding rows & columns its size is not increasing & it is creating Scroll Bar's. May 1, 2013 · It works fine, but I'm not happy with the appearance. I am getting the following error: AttributeError: 'module' object has no attribute 'QTableWidgetItem' My code: Apr 18, 2013 · Now I am creating a QTableWidget by code & adding it in position 0,0 of gridlayout of frame1. layoutWidget_20) self. setSizePolicy(QSizePolicy. you can't require (a total height 600) + (two rows, 40 for each) + (no blank Aug 11, 2012 · When I add a new tab to a QTabWIdget, and set the widget to a QSplitter, the splitter will use the entire amount of space given. May 27, 2015 · I've got a QTableWidget with some columns inside. argv) table = QTableWidget(1,3) table. abfz kmypx yqvvy fta caen kinvjbr iyubt kgqlf gynoypt vhse