Qtablewidget cell clicked. Please let me know how this can be resolved.
Qtablewidget cell clicked. Your first problem is because ui.
Qtablewidget cell clicked Dec 24, 2017 · I have a PyQt5 QTableWidget for which I want to detect double-right-click events. Aug 18, 2021 · There is a fixed size QTableWidget with some rows and columns, the rest of the QTableWidget is blank and unoccupied. 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. How do i do that? Jul 31, 2018 · My program has a table, and there's a desire to be able to right click a cell in said table and have that spawn appropriate actions that will manipulate that cell (different set of actions for diff Apr 10, 2018 · I am trying to make a simple files app (or, file explorer app) and I am using the QTableWidget to Display the files and directories. I need to send signal. Event It is a signal that occurs as a result of a user action (clicking on a cell). I want it to expand after just one click as if I added QComboBox by setCellWidget function of QTableWidget. setItem(row, column, newdata) or other table method Apr 12, 2010 · These signals on cells are not sharply documented (that I can find) but I'd interpret them by analogy with the pressed, clicked, and released signals on buttons: pressed means the mouse's left button's been pressed down inside the widget, released means the mouse's left button's been released (let up) inside the widget, The row and column specified is the cell that was clicked. py' module: from PyQt5 import QtCore, QtWidgets class Ui_MainWindow(object): def setupUi( Aug 19, 2016 · With this I can select the row with only one click, and double click to edit the cell of table. May 13, 2021 · @JonB, thank you, I'm implementing a timer to manage the click and double clicks. I have get the row the user clicked in the QTableWidget and I have to get the item the user clicked on in the ListWidget. tblSession. item(1,0). Each button, when clicked, must remove its corresponding row in the table. Some of the cells are filled with a cell widget (a modified QLabel, sending a clicked signal). currentIndex() but these seem to only relate to the actual table selections, and not the headers. column – int. My Header File: QTableWidget *myQtableWidget= new QTableWidget; private slots: void on_myTableWidgetWindow_cellClicked(int row, int column); mainWindow. cellEntered Jul 27, 2014 · I have a QTableWidget with a disabled setSelectionMode (QTableWidget::NoSelection) and the QTableWidgetItems I fill in don't have the Qt::ItemIsEditable flag. When the initial click is picked up, it starts a 50ms one shot timer, if this expires then it is a single click and the timer slot is lambda so it performs the normal single click functionality. tab. I have set combo-box delegate to the cell. By Archa4 in forum Newbie Replies: 5 Last Post: 6th April 2011, 13:08. When user enter input to cells, and user would like select a row, and click on copy_button to copy contents and add an new row below the se Now comes my problem. I don't understand this - could you link to an example or give a code snippet to demo it? Dec 13, 2024 · Cell Resizing Consider resizing the table's cells or using a different layout to accommodate the widget's size. tab_item_one_click_event) I find two problem . Dec 8, 2017 · I have a QTableWidget in my application and I have connected the cellClicked(int,int) signal to a slot. please help – Jan 10, 2020 · Now the issue is that, after every delete, the currentrow count gets decreased by 1 and hence if I click the delete button multiple times, the rows above the selected row is being deleted rather than the ones below. Feb 21, 2019 · Ok - based on your solution (thanks a lot) - i tried a view. The table contains a few buttons. table = QTableView(self) table_view = self. I was able to simulate the Right-Click event by subclassing the QTableWidget: header file: #ifndef QRIGHCLICKTABLE_H #define QRIGHCLICKTABLE_H #include <QTableWidget> #include <QMouseEvent> class QRightClickTable : public QTableWidget { Q_OBJECT public: explicit QRightClickTable(QWidget *parent = 0); private slots: void mousePressEvent(QMouseEvent *e); signals: void rightClicked(); public Jun 18, 2020 · I am trying to change the background color of selected cell in a QTableWidget. btn2 is overwritten every time the for loop iterates, so you are only connecting the last button; move the ui. when they are called by button. Mostly it does what i want. Dec 22, 2016 · I have a QTableWidget and I need to call some functions based on the user click on the cell. selectionModel(). connect(self. I am currently using the following signals and slots: // cellClicked(int,int) void MyClass::on_myTableWidget_cellClicked(int row, int column) { qDebug() << "Click"; } // cellDoubleClicked(int,int) void MyClass::on_myTableWidget_cellDoubleClicked(int row, int column) { qDebug() << "Double Click"; } Dec 13, 2024 · Here are some common issues you might encounter when using QTableWidget::itemClicked() and how to troubleshoot them:. Please let me know how this can be resolved. itemSelectionChanged. The row and column specified is the cell that was double clicked. I tried to solve it like this: The row and column specified is the cell that was clicked. If that checkbox is not clicked I want to disable row 1, col 0. setEnabled(True) ui. cellClicked(int,int) signal, but it only works when there is no widget on the cell. Apr 6, 2011 · But it doesn't specify what cell needs to be clicked, so the slot is activated when any cell is clicked. 8. cpp (in the constructor of the mainWindow): Aug 12, 2015 · I have a QTableWidget widget in my application. Problem If the custom widget's size exceeds the cell's dimensions, it might overlap with other cells or content. QtWidgets. e. cellClicked. If no widget is present in the cell, it returns nullptr. How to do this when I click outside the table, or outside the cell, on an empty area of the table so that the button is inactive again. table->cellWidget(0, 3) Feb 14, 2022 · Only one question should be asked in each post. Example of handling double click of a cell: connect ( m_pTableWidget , SIGNAL ( cellDoubleClicked ( int , int ) ), this , SLOT ( cellSelected ( int , int ) ) ); Apr 6, 2011 · Re: QTableWidget cell clicked No, I don't think that will get you in any trouble. I already put a connection between an activation of my cell and my function highlightRow : QObject::connect(ui->variableTableWidget,SIGNAL(cellActivated(int,int)), this, SLOT(highlightRow()));. May 9, 2014 · My objective is to set multiple QPushButton as cellwidget in a QTableWidget and whenever the user click on any of those buttons, it will print out the Row and Column number of table it is in. Nov 11, 2017 · In the image, I am inserting in the cell "test". Mar 3, 2016 · @vahancho i tried that but i faced few issues in that approach. But this code in the slot doesn't get called at all when a cell is clicked. insertdata_onclick) def insertdata_onclick(self, data): x = self. Looking at the QTableWidget class reference I noticed that itemAt takes two integers and returns 0 if the specified point is not covered by an item in the table widget. int column: The column index of the clicked cell. How do I handle them separately? The following is the code for the signal-slot connection: Jan 9, 2014 · I have QTableWidget with CheckBoxes in some cells. Returns a pointer to the widget that is currently occupying the specified cell. How can I make a cell blue, say the cell located at row 1 and column 1, programmatically. Your first problem is because ui. I have to handle both single-click and double click mouse events separately in my application. tableWidget. column() You then can use these row and col values to access the table with table. table # start editing as soon as a cell is selected (no need for Enter # or double-click) self. When double clicking on the cell the QComboBox editor is activated but not expanded. item( Feb 7, 2015 · I was wondering if it is possible to double click on a cell in a QTableWidget (I've already disabled cell editing) and it opening a link in a web browser. Whenever, I click on a cell of the table, it becomes blue. A new empty row is created when the intent was to copy the first row content in the new one. Now I want to do the other way around, one click to edit the cell and double click to select the row. 4. This function was introduced in Qt 4. cellEntered. In the eventFilter function the methods currentRow and currentColumn return the previous click co-ordinates not the current click. Return Value. on_Click) When User Click on Table Cell the on_Click() method is invoked. Jun 20, 2019 · Hi all, I search on the previous post does not go well, so I'm asking here a probabibly basic question. is there something another approach for this. cellEntered I add a QPushButton into the cell with the function setCellWidget(). So, in short, my question is - how can I select (click) a QTableWidget cell when there's a button inside it? Jan 5, 2014 · When user right-click the tableView the cell under the mouse pointer will be selected and at the same time a menu will appear. May 8, 2013 · I have a QTableWidget with row selection, and i'm trying to treat 3 signals: •cellClicked •cellDoubleClicked •customContextMenuRequested Things seem to be fine in code: i had in mind the connect syntax, type params are correct and match, etc; and to be more specific, i "know" that the code is correct because i have the following situation: •if i connect the 3 signals to The row and column specified is the cell that was clicked. def slotDoubleClicked(self, mi): row = mi. This signal is emitted whenever a cell in the table is double clicked. For one click to edit, the code should be. 5 Oct 4, 2013 · It is in my fifth and sixth column. How can I get these details? I am new to Qt and looking for help. How can I do this? -- I have already connected signal with slot. def delete_param(): ui. click signal in QTableView which is view of QComboBox. When clicking the cell it only selects it. eight bytes long) data. Otherwise if clicked, enable Jul 6, 2012 · I have a QTableWidget in my application. If a row or column head is under the mouse cursor the whole row (column) should be selected - works. Mar 12, 2012 · I have created a table using qtablewidget. toolButton_4. itemClicked. table->item(0, 3)->setTextAlignment(QT::AlignHCenter) But it is a widget, so using: QTableWidgetItem item = ui. I want slot function to be executed by one click. I can get the cell using: ui. This widget will contain eight boxes in the text edit, where the user can enter the packet format (i. Without clicking anywhere else, I click the Button. I need to send cellChanged signal with row column and text. I'm using PyQt4 for Python 3. I am adding QPushButton widgets to the cells of the table widget during run time. Aug 13, 2022 · # Create the data table self. For example: def cellClicked (row, Jun 4, 2014 · I want to highlight the entire row of a my QTableWidget when I click on one cell of this row. table. 2025-01-13. Aug 10, 2012 · This pops up a context menu, however I cannot find any way to get the index of the header that was right-clicked, I've tried self. May 15, 2021 · I have an object of QTableWidget. To do so, I created a RemoveRowDelegate class with the button as editor and used the QAbstractItemView::openPersistentEditor method in a CustomTable class to display the button permanently. Is it possible to have a different right-click context menu for right-clicks in the header of the table? If so, how can I change the code to incorporate this? Jul 17, 2020 · I was able to insert PushButton in a QtableView cell. _removeItem) The script is as below: Dec 27, 2017 · I've created a QTableWidget. How can I get the data of a clicked cell? 2. so how to get the row number in case if there is a widget placed in a cell. Sep 11, 2014 · I click a cell inside first table; focus is moved to the clicked cell; I click a cell inside second table; focus is moved to the clicked cell/table. My table has 6 columns, the last one is populated by buttons. Maybe something like. [signal] void QTableWidget:: cellDoubleClicked (int row, int column) This signal is emitted whenever a cell in the table is double clicked. For some reason, clicking on a cell is not sufficient to edit it, I need to double-click the cell to enter it. I commented the code inside the slots and only left debug traces, and it's working. So By default i want to read the data of 1st row. add_button. cellDoubleClicked (row, column) # Parameters: row – int. Jul 29, 2012 · Python Code will look like : self. [signal] void QTableWidget:: cellEntered (int row, int column) Oct 20, 2011 · On the click of the particular cell I am reading the data of that row. setEditTriggers(QTableView. 1. I. 11. QTableWidget() self. I would like to do the same for the cells of the horizontal header and get the text of the clicked header cell. Jul 19, 2017 · What i'm trying is to get the row number of QcomboBox when user selects items. text() Error: AttributeError: 'NoneType' object has no attribute 'text' Dec 13, 2023 · If you can get a reference to the button that was clicked, then the indexAt method can be used to get the corresponding model-index:. Object It is associated with a QTableWidget object. I tried self. . Example Table and section of code: Table Nov 26, 2019 · According to the API the PyQt5 or PySide cell oriented signals of a QTableWidget are supposed to receive two interger parameters for row, and column respectively. Jul 18, 2017 · In table view, model, when you click on cell, what method do you know about cell row and column? Version: PyQt : 4. Thanks in advance. connect(Form. The QTableWidget class has the cellEntered / itemEntered signals, but there is nothing for when the mouse leaves a cell. selectedIndexes() as well as self. Try to place qDebug()<<"called" in the beginning of the date_selected and check this. setStyle("experiment") tab = QTableView() sti = QStandardItemModel() for idx in range(0,3): sti. Nov 30, 2015 · 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 to explain more, those scriptlines are giving attributte errors. connect method. If a double click signal occurs then it stops the one shot timer. Now, I need to do some action when this newly added button is clicked. Arguments It provides the following information: int row: The row index of the clicked cell. Could you please help me to solve this problem? Thanks I need it to start editing after one click. argv) app. Dec 13, 2019 · You must toggle the QBrush associated with the Qt::BackgroundRole function of each element. datamodel. If i use clicked() signal of button, then i cannot pass the index in the corresponding slot because clicked signal for qpushbutton is of following form: void QAbstractButton::clicked ( bool checked = false ) and i need index to identify the row. tableWidget, SIGNAL(cellClicked(x,y)), this, SLOT(myCellClicked(x,y))); Thanks, Rakesh. Jun 12, 2020 · I have inserted data into a cell displayed by QTableView if the cell is beeing clicked it emits a signal to a function that inserts data into that cell. I know that I can get the cell selected: Jul 22, 2021 · In QTableView I can set it so that when I click anywhere in a row, it will highlight the whole row like a big single button and it will return the contents of the cell in a particular pre-set column, which I can then use as a variable for further searching. column: The column index of the cell you want to retrieve the widget from. If this item text is not empty,double click also run slot function. I also tried to specify the cellClicked(int,int) as cellClicked(0,0), but then i get a warning: No such signal QTableWidget::cellClicked(0,0) How do i solve this problem? May 8, 2013 · Ok Trompa, i think you nailed it. setStyleSheet('background-color: red;') instead of item. You just need to get the relevant model index using currentIndex() , and then pass that to the edit() slot to put the current cell into edit-mode: Jan 2, 2018 · How should signals be connected in order to know which checkbox has generated the clicked signal? The way to obtain is indirectly, the first thing to know is that when the widget is added through the setCellWidget() method, the viewport() of the QTableWidget is set as a parent. E. button. In fact i cannot show here the code because is a big net of components and business logics and so on, so definitly i will have to go deep inside to see who is taking the focus (for example, if i click, one of things i perform is to disable and enable some group of actions, so Oct 10, 2021 · Looking at the list of signals for QTableView and QAbstractItemModel, I don't see any that would let me detect when the user has clicked on a cell in the tab Jul 14, 2016 · I see how to detect click in a QTableWidget cell by watching the cellClicked(int row, int column) signal (code below). Example: Check if click is on cell or free space inside QTableWidget. Right now, only single-click slot is being called even when I double click on a cell. I need the same effect Mar 31, 2014 · To check whether the cell(i,j) in QTableWidget is empty or not, use isNull() or isEmpty(). Problem is, I want know row and col of button which is sending the click event. 2. handleButtonClicked) Sep 26, 2014 · There is QTableWidget. tableview. So, f Jun 2, 2020 · For the life of me I cant figure this out. If i click on the right mouse button on a cell in the table body the cell should be selected and a context menu should be shown - ok - works. Jul 18, 2016 · Do it just once right after calendar = new QCalendarWidget(); Now you perform new connection in every calendar_clicked call and so one signal leads to a number of date_selected calls. I have used the QTableWidget. row() y = self. show) line at the same indentation level of the for loop. setEditTriggers(QAbstractItemView. I want to disable user to perform mouse click over the table cells (so he can't change checkBox state) for some time while I am using data from the Sep 21, 2020 · I have created a QTableWidget using PyQt5 and openpyxl to load excel in VSCode and I am having trouble to catch/get the left and right mouse click buttons separately. Things are not working as expected. How do I turn off the blue selection formatting when a cell is clicked? Dec 13, 2024 · QTableWidget::cellClicked() の一般的なエラーとトラブルシューティング. Sep 24, 2018 · I have a QTableWidget, if a cell is clicked, I want to emit a signal to the MainWindow. _addrow) delete_button. Jan 29, 2013 · When the QTableWidget sees that someone has clicked one of it's cells, it will emit a cellClicked event - which you need to connect to. Is it possible to change color when clicked/selected and return to default color when not selected. when user is clicking a button, i want to know it's position in the table. btn2. headers. 4 days ago · Qt: Get Table Cell Widget . So, we will need to create some custom signals to do that. Nevertheless, a cell that has been clicked gets some kind of cursor (the black line at the bottom in my case): How can I disable this "cursor"? Oct 16, 2011 · The sample code below (heavily influenced from here) has a right-click context menu that will appear as the user clicks the cells in the table. row() column = mi. 5. I tried to use the connect function to link the SIGNAL both Widgets are supposed to send out to a function of my own, but that doesn't seem to work. AllEditTriggers) # or self. I add some debugging func As extension to my previous question I add a copy_button. Dec 1, 2010 · Once you have the modelIndex, (from Frank's comment above) you can use it to find which cell was double clicked. 2024-12-13. When I click on a cell, I make the button active. cell_was_clicked) could be in your setup code, and the function cell_was_clicked might be something like Dec 13, 2024 · QTableWidget Cell Clicked Signal . QTableWidget::cellDoubleClicked()` シグナルのトラブルシューティングは、主にシグナルとスロットの接続、引数の理解、および特定の動作のトリガーに関する問題に焦点を当てます。 Aug 26, 2015 · I would do it without making an additional class, but storing the widget's row and column in a map: class YourWidgetWithTable { public: void foo() { //when you add cell widgets, do something like this: QCheckBox * b = new QCheckBox(); tableWidget->setCellWidget(row, col, b); _widgetCells[b] = QPoint(row, col); connect(b, &QCheckBox::stateChanged, this, &YourWidgetWithTable Feb 8, 2019 · This returns 1, the cell at 0,0 regardless of which cell is selected. The problem is that I am only able to detect the click on the entire cell but not which clicked button. connect(delete_param) Mar 20, 2022 · I want to display a button in each cell of a QTableWidget's column. The signal part: Mar 11, 2016 · Two part question: I have a 10x10 QTableWidget with QTableWidgetItem in each cell. void QTableWidget::cellDoubleClicked ( int row, int column) [signal] This signal is emitted whenever a cell in the table is double clicked. I have a QtableWidget with data in it. May 26, 2018 · I have added qcheckbox in first cell of qtablewidget now what I want is how to access checkbox and how to get its click event. It just seems rather 'unstraightforward' to positively specify flags, where what your code really wants to achieve is disable a specific one. column() self. QtWidgets import QApplication from PyQt5. tableView. Secondly, we need to find some signals that tell us when the mouse enters and leaves the table cells, so that the background colours can be changed at the right times. appendRow([QStandardItem(str(i May 12, 2018 · The QTableWidget class inherits QAbstractItemView, which has the required APIs. When user selects an action on the menu, the connected slot will be called, get the selected cell of tabel in this slot and perform the required action on this cell. Solution. table->item(0, 3); item is null. QtWidgets import QTableView, QPushButton, QAbstractItemView from PyQt5. Usage You can connect this signal to a custom slot function to perform actions based on the double-clicked cell. You can use itemClicked but this may fail because not all items in QTableWidget have an associated QTableWidgetItem, so it is better to use the clicked signal returned by the associated QModelIndex Nov 29, 2017 · I have a pyqt5 QTableWidget and i want to highight a specific cell of the table. Optimization Optimize the custom widget's rendering and event handling to improve performance. Basically what I want is on checkbox check row should be selected and on unchecked row should be dis-selected. For example I give row 2 and column 2, and I want that cell to be highlighted to edit,i mean for the element in blue. Left click to copy the cell content to the clipboard and Right click to cell to paste the content from the clipboard. import sys from PyQt5. PySide6. tab = QtGui. Now I would like to set the background color of the cell inside the first table which is now unfocused, how can I do that? Qt version=4. 3 These are my setting of table view, model. self. Here is code: Jul 8, 2021 · yes, in label i want to show some html text, and html text is not possible in qtableview in specific cell. currentIndex(). Also the property cellClicked is returning only row number. . Apr 18, 2012 · QTableWidget cell clicked. QTableWidget provides appropriate signals for each event such as change of selection, click, double click, etc. Signal/Slot Connection Issues: Multiple Connections If the signal is connected to multiple slots, ensure that the desired slot is triggered. For example, you mig May 30, 2016 · Just tried it here, it seems that currentRow of the table returns -1 when clicking the button right after program start, and when first selecting a cell, then selecting the QLineEdit and then clicking the button, the correct row is returned. def __init__(self, May 13, 2019 · I honestly don't know what kind of example you expect. def on_Click(self): # #selected cell value. input_data[x][y Mar 29, 2022 · I have a QTableWidget in my PyQt5 GUI, and what I want to do is row by row, assign specific cell values to my variables. I have a table set up, and in row 0 col 0 I have a checkbox. Now, I want the cells in this column to be read only, but when I double-click on any cell in these columns a pop-up widget is displayed. Although its easy to to get the cell column and row using . tableWidget->setEditTriggers(QAbstractItemView::AllEditTriggers); Qt Double-Click Cell Signal . What im trying unsuccesfully to do is: Get the text from the cell that the user double-clicks so i can use that information to build up a new Widget based on choice made. Now if I click in the empty cell and then the button, it correctly writes it in a new cell. When the user clicks an directory, I want the program to jump to that directory. clicked. qtablewidget cell's x() , y() By BalaQT in forum Qt Programming Mar 7, 2017 · tab_item_one_click_event is an one click slot function,not double click slot function. Note: All the combobox are added dynamically Feb 24, 2012 · form_shift is form name tblSession is QTableWidget object shift_id=form_shift. cellClicked signal, and it does not currently work. What i've learned is that i first need to connect the double-click to a function, but i cant continue afterwards: my connection on my QTableWidget goes as follows: I am trying to get the co-ordinates of a mouse click on a table and send these values to other functions. I know that if it's a QTableWidgetItem, I can use: ui. May 13, 2014 · How to receive mouse press event on clicking QTableWidget? 1. 0. cellWidget(0, 1). I have connected click event for those buttons with a function. I need to get the row and column details of the cell which contains this button. QtGui import QStandardItemModel, QStandardItem app = QApplication(sys. I would like to know with row is associated to the button clicked by the user. Sep 21, 2017 · In the slot we can get the button that emits the signal through the sender() method, then we get QWidget parent (created with the name pWidget), this is the widget that is added to the QTableWidget and its position is relative to it, then we use the method indexAt() to get the QModelIndex associated with the cell, and this has the information Sep 23, 2018 · In QTableWidget so many SLOTs, but only one for right click, and even that won't help with info about on which cell user rightclicked Would be great to have same SLOT, but which would simply tell in params row&column. CurrentChanged) # call our special delegate to position the cursor correctly Apr 3, 2016 · Hi! I need a way in which where the user clicks a whole row (not only a cell) I can execute a function. But I do want my button to fill the cell. QTableWidget::cellClicked() の使用において、以下のような一般的なエラーやトラブルシューティング方法があります。 Mar 2, 2023 · I am adding 2 buttons in each cell of my Qtablewidget and I want to perform a specific action for each clicked button. setColor right now I just wanted to change the colour of that one cell when I clicked on the particular cell. Dec 13, 2024 · QTableWidget::cellDoubleClicked() のよくあるエラーとトラブルシューティング. Here is my 'design. This is my code: connect(ui. code to read the data is implemented in the SLOT of cell click. ui. My Table Aug 20, 2012 · Is there anyway to add like a button in qtablewidget? But the date within the cell would stil have to be displaying, for example if an user double clicked a cell, could i send a signal like a button? May 22, 2020 · QTableWidget has data. The row and column specified is the cell that was clicked. row: The row index of the cell you want to retrieve the widget from. I am using pyqt4 and Python 3. 4 Python : 3. I want to change some background color of the tableWidget's cells. Is there a way to change this behavior to single click Jun 4, 2018 · Correction 2: I just discovered that if I just click in a cell nothing happens, BUT if I click in one cell and drag the mouse a little bit within itself, the cell will get sort-of-selected (so the background doesnt change to blue as usual but stays white, but the frame of the cell turns to dots as if it was indeed selected). The presence of the button in a cell (which takes up the entire cell space) completely disables the cellClicked - the cell doesn't get clicked, the action can't be detected. Jul 24, 2018 · I am new in pyqt4 and I can't figure out how to do this. Dec 31, 2021 · I wanted to change the background colour of the cell and by doing so I only able to use tableWidget. QTableWidget. so i kind of like stuck there, my double click signal not working. The QTableWidget class provides an item-based table view with a default model. Now, I want to react on a click on this label. ucjphpmpgamzxxnitghmeaxwtykepnprlmjeiqxfnsgfgojpw