Qtableview multiple selection
Qtableview multiple selection. For multiple row selection i was using setSelectionMode(QAbstractItemView. 4, but now it somewhat works in Qt 4. What would be the most efficient and technically (Python/PyQt4) correct way of making arbitrary muti-selection in a QTableView which has a model encompassing hierarchy of QStandardItems (a graph plot data) with custom isSelected data attribute added per item. But I do not know how to update selection in the view after model (and view) changed. 4 to Qt 4. self. Qt Enthusiast. or at least I would like to know what are the row By default, a QTableView has its selection mode set to ExtendedSelection, and its selection behavior set to SelectItems. Then I realized that this would create an infinite loop. They were numbered - 1, 2, 3, etc. Reply as topic; Log in to reply. tableWidget. In the above image i need to get the filters for All heders (Sh_Code,SH_Seq,Stage) What I did there is to enable the selection by either clicking on the entire QRow OR the QCheckbox, the props. For example, I have the following,but I would prefer sth like the These statements will disable the selection of cells in a table. Quasar QTable sample with customized header slot, multiple header rows, multiple selection, and extra virtual column for sorting on selected/deselected Pen Settings. findItems method when called will return a list of QTableWidgetItem objects. These objects are the actual data items in the table. I need to implement mixed selection for these view. I have setup a window with an openGL widget and a QTableView. This means that the first click will select the row and the second click will unselect the row. In first table i am selecting departure and what i would like to achieve is that in second table all entries before the selected one are made non selectable so that user cannot move backward to select them. setSelectionMode(QAbstractItemView. I have to display a chunk of data in a QTableView and filter it column wise. 8, you can use a QIdentityProxyModel:. As an example of usage: Select four cells from the table. However, if I use Ctrl + A to select all rows of the QTableView, the application's performance will not be affected at all. Do this by retrieving the selection model for the table (QTableView::selectionModel()), then I am using QTableView in Qt and I have one table in which each cell has different text color. SatelliteEyes. By estanisgeyer in forum Qt Programming Replies: 8 Last Post: 17th June 2009, 20:02. As you mentioned in your answer, you can set the QHeaderView to resize to contents automatically, but if you do a lot of adding and removing this will slow things down. I need to access the horizontal headers of this table and put them into a QStringList object. I have a data model class that is correctly populating the tableview, so I added a public slot to that class: class APartsTableModel : public QAbstractTableModel { public: AVehicleModel *vehicle; I have a need here regarding multiple selection of items in the QTreeView. broadpeak. By "hidden" I mean the row headers are not there any more. If user enters into mouseMoveEvent with the left mouse button pressed, you can choose to eat the event without passing it to the QTableView that will remove the possibility of Detailed Description. Required, but never shown I want the user to be able to select only one cell at time. connect(self. For this I have used QSortFilterProxyModel, but as per requirement each column of the QTableView should have a drop-down list which shows unique values in that column. def removeRows(self, I guess your mistake is that you set up the stylesheet only for QTableView and not for all it's child widgets: cells. For selecting multiple rows it looks as though you need to do this via the view’s selection model. This means that several individual table cells in different rows and I am now trying to implement a multiple select function, whereby holding the Control button will add the clicked row to the existing selection. wrote on last edited by #4. I can set a proper SelectionMode but still: each cell has a rounded corner when it's row is selected; moving mouse on QTableView moves "focus" and selects cell under a cursor; How can I avoid this problems? The QTableView class provides a default model/view implementation of a table view. I want to know how can i create filters for it like in excel. By fede in forum Newbie Replies: 1 Last Post: 14th April 2009, 15:18. 6. QModelIndexList selections = this->qTableView->selectionModel()->selectedIndexes(); QModelIndexList selections1 = this->qTableView->selectionModel()->selectedRows(); Thanks. test) I have a QTableView with three columns like the example below: | Id | name | ACoord | I am trying to highlight the entire ACoord column no matter which cell I am clicking on in the ACoord only. One row represents one project. For example, you can easily retrieve a list of all selected rows using this code: I'm using a QTableView and sub-classed a QAbstractTableModel. After your QListWidget is created, call setSelectionMode() with one of the multiple selection types passed in, probably QAbstractItemView::ExtendedSelection is the one you want. Disabling Multiple Buttons in QTableWidget . 3. The selected items are stored using ranges. 1 Reply I have just upgraded from Qt 4. Developer Express Inc disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. You can apply CSS to your Pen from any stylesheet on the web. I have a QTableView and I need to the get value (string) from the first cell of the selected row (any cell on the row could be selected). table_view. This class is used to provide standard tables that were previously provided by the QTable class, but using the more Multi-item selections: In this mode, the user can toggle the selection state of any item in the widget without changing the existing selection, much like the way non-exclusive checkboxes can be toggled independently. QTableView. There are a few variations on this mode that you may want to look at. Editing Enable editing by setting QTableView::isEditing() to true. I have tried setRangeSelect,selectRow & selectColumn, and none of the methods works. I hope this helps. I don't want to change text color while row is selected. resizeColumnToContents() but using the more flexible approach provided by Qt’s model/view architecture. Step-1: Open documentation for QTableWidget Step-2: After scrolling documentation understand that table is organized as rectangles of items Step-3: Understand that it is possible to obtain a number of rows and columns via rowCount and We can select multiple items(partial rows and partial columns) from QTableView using self. 0. Enabling & Disabling Buttons. I find some were recommended to use @tableView. When I select one row/cell and click a QPushButton it opens the specific vector/ratser layers in the QGIS. Thanks Deepak. If i select column number 1 , I should not be allowed to select column number 2. While searching for clues on how i can delete multiple rows from QTableView i came across this function: remove selected rows from QTableView Here is the code:- QItemSelection selection( ui. But I have to disable some SpinBoxes to avoid change value by user. – I tried your approach before resorting to go over the entire rows/columns in the table. To accomplish this I connect QTableView's clicked signal to a custom viewClicked() method which receives the clicked QModelIndex automatically:. I can't seem to get the connect working. By Morea in forum Qt Programming Replies: 1 Last Post: 7th July 2007, I have a qtreeview, in which i want to enable mulitple row selection only when ctrl key is pressed . I know that QComboBox allows only single selection, so I thought that I can use QListWidget. In Excel it's widely used to show cell formula dependencies. tableView. 2,342 7 7 some more sifting it seems that you should get rid of any border around a widget upon interaction (not selection) with it by setting the focus policy of the whole widget like this: tableWidget->setFocusPolicy(Qt::NoFocus); if this doesn't do the My goal is to select only one ite GridControl - TableView: prevent multiple selection | DevExpress Support Buy Support Center Documentation Blogs Training Demos Free Trial Log In I want the user to be able to select only one cell at time. Make sure that you've enabled wordwrap for the QTableView, then manually resize the rows to fit their contents. Why is always one row not deleted when I select multiple rows and what do I need to change to delete all selected rows? The problem is caused by removing a row by resetting the positions, for example, say that you remove 3,4,5, first remove 3, then 4 becomes 3, and 5 becomes 4, then you eliminate 4, remove the 4 current so that the initial 4 is not deleted. I can run either subclass individually without problems, or I could even run one instance of a I have a QTableView this contains records from a database. setCheckable(True) About External Resources. At the time of filtering I need to select top item as well. Oldest to Newest. I assume you are using a QTableView You can override the QTableView and then use mouseMoveEvent cleverly to ensure that user can't make multiple selections by dragging!. How to disable a button when multiple items are selected in QTableView. It could be like this: class CMySqlTableModel : public QSqlTableModel { public: CMySqlTableModel(QObject* parent) : QSqlTableModel(parent) {} /** * Enable / disable selection for particular column. I use a QtableView in PySide 6, populated by QSortFilterProxyModel, and setSortingEnabled is true, so I can sort by column. Subclass QAbstractItemModel and implement data() (for reading), and all the other functions you need from the documentation. However, I had a problem. It is possible to click on rows to select them, in which case they are highlighted in blue (maybe the colour is OS-specific; I'm using QModelIndexList selections = this->qTableView->selectionModel()->selectedIndexes(); QModelIndexList selections1 = this->qTableView->selectionModel()->selectedRows(); Thanks. I have selection behavior select entire row. I am new to QT, and I'm using QTableView, as shown below: On the left side of the table, Qt is automatically showing a row number, as I've noted in red. Add a new selection mode to QTable: "range", same as multiple but you can select range of items by using shift-click on the selection checkbox. 5,364 28 28 gold badges 113 113 silver I am designing a GUI with a QTableView in which one would have to select multiple rows when needed. The QHeaderView class is one of the Model/View Classes and is part of Qt's I am using the QTableView to display a QAbstractTableModel: #include <QtGui/QApplication> #include <QAbstractTableModel> #include <QTableView> class TestModel : public This function accepts one of three values: for selecting items, for selecting rows and selecting cells. There is a QAbstractTableModel class that holds the data and a QSortFilterProxyModel class that helps filtering the rows in the QTableView. I want my table to be not selectable, so that only check boxes or radio buttons could be selected, but not the cell itself. You may have to register before you can post: click the register link above to proceed. But, I feel I've checked basically everything: Inherit your own model class from the QSqlTableModel and reimplement the flags() method. 5. Once you have them, you can select a given item by calling . I have not managed to do it with SelectionBehavior nor with SelectionMode. Returns the selection ranges stored in the selection model. As you can see in the picture above, the grouped cells are blue, but I want them all to be yellow with the pink border - just like the single selection. treeView, QtCore. Edit: So i think I was able to set it up to remove random rows when give an list of rows, it seems to be working. But, I feel I've Hi all - The app I'm working on has a QTableView. Follow asked Nov 18, 2011 at 20:04. In details: Along with the table I have a matplotlib plot which outputs ranges (isSelected attribute Although this can be done through the body slot, or can implement the selection function myself, a custom checkbox is a very common requirement, and I think it should be able to easily support this. select() method When I click on the left most column (not the id column) where it says 2, it will select the whole of row 2. I might have a slightly more straight-forward solution the problem of editing all selected values in the same column at the same time. Before QSortFilterProxyModel, to get a row selection I used:. Extended selections: Widgets that often require many adjacent items to be selected, such as PySide2. As I know this set the item as selected: setCurrentIndex(indexAt(event->pos())); or treeView . Issue The selection might not behave as expected, such as not allowing multiple selections or not responding to keyboard shortcuts. rstoenescu added a commit I have a QTableView with cells on which I have set column spans of 1, 2 and 4. Two of them include a character "A". I might have to add that functionality in the future, though I doubt I'm having an issue figuring out what signals are emitted by a QTableView when the user performs various actions for selecting a row (my table is configured for row selection mode, single selection) I'm connecting to the clicked() signal and can pick up on row selection when the user clicks on a row - all fine and well. 5. How can I set the maximum possible selection of cells of a QTableView to 1 (c++) ? What would be the most efficient and technically (Python/PyQt4) correct way of making arbitrary muti-selection in a QTableView which has a model encompassing hierarchy of QStandardItems (a graph plot data) with custom isSelected data attribute added per item. _data. Find and fix vulnerabilities Codespaces. stationselection here, so it should be fairly straightforward. This is how I did it in PyQt, don't know C++ but I imagine it is quite similar: I have a QTableView and a bunch of buttons for edit,add and delete functionalities. I have subclassed QAbstractTableModel and in my model class for Qt::BackgroundRole and Qt::ForegroundRole I have returned some color depending on some condition. Follow edited Feb 13 at 11:33. 1. R Offline. So the task is to calculate the smallest rectangle that will include all the selected cells, and then create a data structure from that which is suitable for passing to a csv writer. as you can see, you can bind it to a checkbox since they output booleans. I have: MyWidget. Post as a guest. Thanks I have a QTableView with my own implemented QAbstractItemModel, in which I can drag and drop multiple items inside. You can convert the example above Where the . It is shown below- I want the Add and Edit buttons to be disabled if multiple items from Table are selected. QTableWidget select multiple cells permanently identical to Ctrl + MouseClick. Begin edit on one cell. Intermediate Topics 3. That is at a time more than one column cannot be selected. Selections. com and affiliated web properties (including the DevExpress Support Center) is provided "as is" without warranty of any kind. I was able to hide them using setRowHidden(row,true) but i would like still to see them but not be able to select them. It also keeps track of the currently selected item in a view. QTableView - Selection background color. Oldest to Newest; Newest to Oldest; Most Votes; Reply. But by doing this, I'm no more able to select the column by clicking the header. Navigation Menu Toggle navigation. QItemSelectionModel* pobjModel(mptvSDrecs->selectionModel()); QModelIndexList objIndexes(pobjModel->selectedIndexes()); I have a QTableView with a QSelectionModel set on the QTableVoew. 0 and am having a few bugs. How can I set the maximum possible selection of cells of a QTableView to 1 (c++) ? Intially, list of projects with their details appears in the QTableView. For selecting multiple rows it looks as though you need to do this via the view’s You have to set the selection mode to the appropriate value. When I use QItemSelectionModel to select multiple rows at the same time, my application will become very lag until the selection status of the QTableView is cleared. Modified 12 years ago. QStandardItemModel() i = 0 for val in data_frame. QPushButton when pressed calls for the clicked() method. I am implementing an invert selection function where I get the selected items, select everything, and then I want to iterate over the list of selected items to deselect them. itemSelectionChanged is a QTableWidget signal since in that class the concept of item exists, but in QTableView it does not. Accessing the Table Corner Button. And because ` QTableWidget` uses qobject_cast before calling every QTableModel function without checking that the cast was successful, if your custom model doesn't inherit from QTableModel, Each view has a Selection model : QItemSelectionModel * QAbstractItemView::selectionModel const and with the selection model you can retrieve lots of informations, in your case : QModelIndexList QItemSelectionModel::selectedRows ( int column = 0 ) const So : myTableView->selectionModel()->selectedRows(); Select function is very slow when I select one item by one or pass to it QItemSelection with a lot of values. That will replace the ellipse with the text. (Please see attachment) What I am trying to do now is allow the user to delete a row in case they want to change things, I currently have it so that the same row is deleted every time the "Remove Channel" button is What I did there is to enable the selection by either clicking on the entire QRow OR the QCheckbox, the props. So what is the easies solution? Is there some option I do not see? Summary: in this tutorial, you’ll learn how to use the QTableWidget class to create a table widget. If single item is selected then it should be enabled. Select QTableWidget rows only by clicking row header. ui. 9k Views. wrote on last edited by JoeCFD #5 @JoeCFD said in how to disable selection of cells with widgets on qtablewidget: auto button = new MyButton( this ); m_tableWidget-> setCellWidget(row, coln, button); Adding a new item to the same cell solves QTableView: Select multiple rows? By realdarkman71 in forum Newbie Replies: 2 Last Post: 9th December 2010, 21:36. A QTableView implements a table view that displays items from a model. 1 TreeView. I can select one row at a time. QtWidgets. The goal is this: when a user selects a whole row, enable a button on the form which will allow the user to act upon the selected row. wrote on last edited by #9. However this behavior conflicts with dragging and dropping, that's what we see for example in Windows Explorer. HTML Preprocessor About HTML Preprocessors. PyQt5 provides us with the QTableView widget which can be used to create such spreadsheets and tables. csvDataTableView object defined in the . Tables and Spreadsheets are a very common type of widget/component in GUI windows. QTable's support single selection, multi-selection (multiple cells) or no selection. And I have subclassed QTableView class. User shouldn't know that there are any cells. The items in the QTableWidget are created using the QTableWidgetItem class. Commented May 23, 2022 at 6:48. Alternative Methods for Programming with QTableView in Qt. When editing a cell I noticed that QAbstractTableModel. I don't need the index. ExtendedSelection) works well in QTableWidget. If editing one cell modifies more data than the data in that particular cell, the model must emit a dataChanged() signal in order for the data that has been changed to be read. So first, I need to select top project of that list by default. Instead of overriding QTableView::edit(), it's easier to override QTableView::commitData(editor), which is called after the user has submitted their edit. In reading the TableView QML documentation, it looks like selectionMode property wasn't introduced until Qt6. SIGNAL('clicked()'), self. Improve this question. It provides functions for creating and manipulating selections, and selecting a range of items from a model. 15, the selection is conserved but you need to scroll back to it which is not really handy To Force it you can connect the signal of the header QHeaderView::sectionClicked to a slot in your tableview where something like this does the job: // m_tableView being your QTableView you connect the signal in your constructor This way I can select several rows by clicking and hovering left mouse button. For instance, Markdown is designed to The first step is to add a horizontal layout with just a QTableView. Hey @Paul_Inkenbrandt I think you’re very close here. Check the QTableView's properties, such as setSelectionMode() and setSelectionBehavior(), to ensure they are configured correctly. How to QTableView: Select multiple rows? By realdarkman71 in forum Newbie Replies: 2 Last Post: 9th December 2010, 21:36. 1 to show a table. Sign up using Google Sign up using Email and Password Submit. setCurrentItem and passing in an In the QTableView subclass, on the other hand, the property has been set to true. In numpy the dimensions of an array are available through . 1. HTML preprocessors can make writing HTML more powerful or convenient. How to append those selected data int Skip to main content. wrote on last edited by p3c0 #4. This class is used to provide standard tables that were previously provided by the QTable class, but using the more flexible approach provided by Qt’s model/view architecture. In this case, leave the selection mode for the table set to single cell selection. I select multiple rows and have everything set to delete them but i just need to know which are selected. tableView = QTableView() rows = [0, 1, 2] tableView. I also create QSpinBox delegate to edit the cells data. I am using QTableView in Qt and I have one table in which each cell has different text color. The initialization of the QTableView is shown as follows: Returning Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled is enough to show an editor that a cell can be selected. However, if the user Use a QTableView instead of a QTableWidget. cpp with this code: How to deselect all rows of a QTableView? Scheduled Pinned Locked Moved Solved General and Desktop 3 Posts 2 Posters 11. Looking for some help. currentRow() path = You can make a custom header by making a QTableWidgetItem and then using the setHorizontalHeaderItem(). When I select any row/cell on the table, the row/cell is highlighted in the default color of There will always only be a single value as the double click remove the previous selection. veera. But I need this value only if exactly one row was selected. But I want all datas in an array. user17726418 . The method takes a column number, so I am not sure if that will allow for spanning multiple columns natively -- however, at the very least you could use the same QTableWidgetItem for several columns. 5? G 1 Reply Last reply . " Users have asked for the ability to do "mass" (their word) operations, like firmware updates. row()) @ 1 Reply Last reply . QTableView implements the interfaces defined by the QAbstractItemView class to allow it to display data provided by In QListView, i'd like to disable mouse drag multiple selection - that is, mous down on a row, drag the mouse down and select the rows below it while dragging. This pyqt tutorial explains the use of the pyqt5 QTableView widget. setEnabled(False) I have a QTableView that I need to get the selectionChanged event from. The QItemSelectionModel class is one of the Model/View Classes and is part of Qt’s model/view framework. They can be selected with selectRow() and selectColumn(). This topic has been deleted. I guess your mistake is that you set up the stylesheet only for QTableView and not for all it's child widgets: cells. Show push button with "pressed" state in QTableView. The text was updated successfully, but these errors were encountered: All reactions. Just put a URL to it here and we'll apply it, in the order you have them, before the CSS in the Pen itself. PyQt is kind of wrapper on top of usual Qt library. Create a QSortFilterProxyModel and setModel() of the QTableView to it. I have QTableView with custom table model. I basically can't get a selection in my subclassed QTableView. Ok, figured it out (mostly by accident). setEnabled(False) Altough this resolves the user's selection problem, it also changes the aspect of the table, making it all greyed out: table->setStyleSheet("QTableView {selection-background-color: #0000FF; selection-color: #00FF00;} but it only changes the Color that is shown while the pointer is on a Cell. Stack Overflow. You’ve already got the selection model in self. The QTableWidget class allows you to create a table widget that displays the tabular form of items. I want to make one of 10 columns not selectable even when clicked. selectRow() method on the view is a convenience method for single selection. The table is sorted on the first column - Can this be the reason why the selections are incoherent? If you're using QTableView (which is recommended) there is a similar enum and function to set it. I need the data from every cell of the selected row. It's not quite so random though. For example: user clicks on the row, it QTableView: Select multiple rows? If this is your first visit, be sure to check out the FAQ by clicking the link above. qss" file, add it to your app's resource file and then load it into your main This tells us that the method accepts a str "text" to search, and a Qt. Reason: When you delete row index (for example [0,1,2]), and you start to delete from 0 -> 1 -> 2, then only row 0 and row 2 will be deleted!; Deleting the First item will shift the remaining rows up, making row 1 and row @JonB said in Using multiple item delegates in QTableView columns: As for your "one delegate works but not two", I suspect you will find that is "coincidence". There is selectionModel(). We get the length of each axis by selecting the correct item from this tuple, e. setData only goes through the last selected cell. I have used "ExtendedSelection" as a Selection Mode to select the multiple cells in the TableView but I am not able to select the multiple cells. shape[0] gets the size of the first axis. This was working fine in Qt 4. On selection of any of these values in the drop-down, only the rows having that particular value I am using a QTableView with QAbstractTableModel. When I shift click on row 3 it also I've done some searching on using checkboxes with QTableView, and all the results I've found are surprisingly old. tableview=QTableView() self. Of course the user should not be able to change the selected rows by clicking here and there. The table will show a grid A QTableView implements a table view that displays items from a model. I want to select multiple rows I'm working on a C++ program that uses Qt 6. disable editing and setItem to several rows in QTableWidget. In this case, you can use a QAbstractTableModel I think word wrapping is what you're looking for. tableview. I have created a table in PyQt4 using QTableView. In order to enable sorting and filtering I use QSortFilterProxyModel as a proxy between LogsModel and QTableView. 2. Host and manage packages Security. A QItemSelection is basically a list of selection ranges, see QItemSelectionRange. This is driving me crazy. clicked. So, I'm curious as to what people think about 1) whether The . Any help would be great. Experiment with different selection modes and behaviors to find the desired behavior. The first one will have the full table contents, and the others will use its model; then you can call setColumnHidden() for each table based on those you want displayed on the others. MultiSelection) But found out that it looks odd means if i simply clicked a item it get selected. 3. For selecting multiple rows it looks as though you need to do this via the view's I'm trying to introduce a multiple selection on my QML TableView but with no success. Right now my eventFilter code is as below. Name. How do i disable multiple item selection via CTRL+click in QTableWidget? 1. Then a maybe silly question but are you explicitly Ive been working on a simple tableview model, ive hit a stumbling block when i want to edit multiple cells. And I can't just block the dataChanged signal since the view won't get updated if I do. After the pointer is away, wether I select the cell by table->selectRow(selRow) there is only the underline. A QItemSelectionModel keeps track of the selected items in a view, or in several views onto the same model. When i select more then one cell and toggle the check boxes only the clicked cell updates its checkboxes. As I understand this cant be done using this function. Each row represents a remote device that the app can "see. i haven't tried this, but give it a shot: @ I would probably try subclassing QTableView and reimplementing selectionChanged() or track mouse clicks by connecting to the I think word wrapping is what you're looking for. Only users with topic management privileges can see it. May i know how do i select a particular column only. currentIndex() If the selection behavior is SelectRows and the row count is consistent, there's an alternative: instead of having multiple QTableWidgets, just use one and use QTableView for the others. QModelIndexList indexs = I work with a QTableView and I would like to develop an advanced selection mode. This is my By setting the selection model for the table view, you can control how users can interact with the items in the table. J Offline. Q Offline. Single / Multiple rows selection with custom selection actions; Pagination (including server-side if required) Total customization of rows and cells through scoped slots; Ability to add additional row(s) at top or bottom of data rows; Column picker (through QTableColumns component described in one of the sections) Custom top and/or bottom Table controls ; Responsive How to get the all column data for the selected row of a qtableView. If you link your function to a push button or another signal, you can receive a list containing multiple elements selected by the user. I have the selection mode set to How can I make it to where, when a user clicks a cell, the entire row is selected, like I noted in pink? For example, if I click the testApp-copy. I am creating a plugin which shows the list of location of vector/raster layers. LogsModel is refreshed from time to time (it takes additional items from the database) Now the problem is that my model can contain multi-line I have custom QTableView class that shows content of custom model based on QAbstractItemModel. Access functions: QAbstractItemView::SelectionMode : selectionMode const: Disclaimer: The information provided on DevExpress. I want to allow users to select rows with right mouse button, and drag'n'drop them with their left mouse button (like in Total Commander). Btw, if your intention with the selection models was to remove multiple selected rows, then use sth like this @ def remove(): rows = qTable. I am using QTableWidget to show the data. You can subclass the QSqlQueryModel to redefine data() to return your calculated color, or if you have Qt > 4. See the documentation. The idea is to be able to sort the column by clicking on the arrow icon and to select the column by clicking on the text for instance. selected = [{"name":"Eclair"}] but I expected that the entire row data would populate into How disable multiple selection in QTableWidget? Scheduled Pinned Locked Moved General and Desktop 2 Posts 2 Posters 9. In details: Along with the table I have a matplotlib plot which outputs ranges (isSelected attribute I want Table view columns always have multiple selections so i apply QAbstractItemView::MultiSelection attribute. It takes the place of Qt3's QHeader class previously used for the same purpose, but uses the Qt's model/view architecture for consistency with the item view classes. Hot Network If someone is still looking for an answer after implementing Anuj Bhasin's answer because the above solution will not work in many cases as expected. B Offline. There are four items total. Select row in QTableView after insert. My code is the following: def data_frame_to_ui(self, data_frame): """ Displays a pandas data frame into the GUI """ list_model = QtGui. The difficulty here is that the selected cells in the table may be non-contiguous and not in any particular order. shape which returns a tuple of dimensions along each axis in turn. Email. The result is that the previously selected item is deselected but the item at the cursor position is not selected and since no item is selected the context menu doesn't open. Where it falls down is when I try to drag and drop. I am working on a program to view and edit records in a file. I think word wrapping is what you're looking for. Question: I need the case when clicking a cell, it is selected, when clicking row index, row is selected but when clicking column header the whole column is not selected. qss" file, add it to your app's resource file and then load it into your main. To start viewing messages, select the forum that you want to visit from the selection below. Thanks Actually I don't care where it is, I just want it selected, but the only interface I've found is QTableView::selectRow(int row) It looks like mapSelectionFromSource might work, but I don't know how to get a QItemSelection for the data in my model. Maybe the second one made the problem show up more. It features a QTableView that displays all records, a QLineEdit to search for records, and some labels that display the details of the selected record:. For example, you can easily retrieve a list of all selected rows using this code: Like if the user cntrl selected random rows (like maybe row 1 and row 7 for example). So there are two specific questions that I have: How to convert a cell selection to a row selection? When I use QItemSelectionModel to select multiple rows at the same time, my application will become very lag until the selection status of the QTableView is cleared. selectionModel(). 1) Creating a behaviour similar to MS Excel cell's selection. I might have to add that functionality in the future, though I doubt The view draws the background based on the Qt::BackgroundRole role of the cell which is the QBrush value returned by QAbstractItemModel::data(index, role) for that role. I use the following code to retrieve the data from the selected cell: row = self. selectRow(2) won't work in this situation since selectRow() selects only single row deselecting all others. io Of course the user should not be able to change the selected rows by clicking here and there. Sorting and filtering Use QSortFilterProxyModel to filter and sort data. Deleting selected row from a QTableView Hi, I have successfully made a table where I can add two columns of user specified data, one row at a time. kevin61416 added the kind/feature 💡 label Jul 29, 2020. wrote on last edited by #6. The only fast method to programmatically select a lot of rows is to form a few ranges of rows (usually I have to select rows which follow each other) and select them by QItemSelection->select. How does a QTableView signal/notify that the whole row has been selected and unselected? Not just a cell, but when the user clicks on the 'virtual row header' which is to the left of the first cell in the row. please any one guide me. Vice versa, I need to highlight the items in the tree view if multiple selection is done on the glwidget. The . I managed to select only one row, setting the background color of the row. The QTableView class is one of the Model/View Classes and is part of Qt’s model/view framework. My problem is that when dragging the items and while trying to drop them in a destination cell, it is not so obvious for the user what the result is going to be. QDialog without the close button in the top right corner . I want to select a row in a Qtable with just the row-key field (not the entire row data) so far I am able to make the checkbox toggle when I use the row-key this. I need to be able to programmatically select some rows of a TableView, hence showing the selected rows to the user. So, now I tried saving the row indices as pure integers and recreating the model indices when restoring the selection. User can select row in the table and in specific situations I want to prevent change of the current selection. I have a QTableView object in my dialog. But I have solved that by decrementing (and removing from the end of the table view, not from the beginning): I shouldn't increment over the list and remove the first items because table was shifting rows after I have removed one - The QTableView class provides a default model/view implementation of a table view. I don't want that. (Please see the test method for what I am trying to do) import sys import json from The QTableWidgetSelectionRange class provides a way to interact with selection in a model without using model indexes and a selection model. About; Products OverflowAI; Stack Overflow for Teams Where developers & technologists share private knowledge with About External Resources. Extended selections: Widgets that often require many adjacent items to be selected, such as How to disable a button when multiple items are selected in QTableView. HTML CSS JS Behavior Editor HTML. Probably it looks differen on other plattforms. Ask Question Asked 14 years ago. How to prevent no selection in QTableWidget? Hot Network Questions What does "over" mean in "There's the airplane ticket over" mean? Did The copy function also works when sub-classing QTableView, didn't check the paste – SiP. For a single index like first column I can get the data. Currently, I am How can I allow the user to edit multiple cells in a QTableView? I thought about connecting to the model's dataChanged signal, then setting the data for all selected cells. They have Detailed Description. MatchFlags "flags" object which is what determines how we search. What happens now is when I click and drag to select multiple rows, the first row is Yes for group selection I just want the grouped cells to match single selection. I am not able to delete by selecting entire row from the Qtableview using delete push button give me some examples . 01 I have a QTableView loaded with an QSqlTableModel. For this I have written code which is giving 'Zero' every time even though I don't select any row. I'd still like row selection using CTRL-mouse click. Currently, the only way I found to disable the user's interaction is with: self. ExtendedSelection), but after QTableView: Select multiple rows? If this is your first visit, be sure to check out the FAQ by clicking the link above. Remember that a QTableView needs a model to display information. Despite intensive search, I could not find in Qt documentation how to get this list of headers. Skip to content. I have the selection method set to extended. Use isSelected() to determine if a particular cell is selected, and isRowSelected() and isColumnSelected() to see if a row or column is I am newbie to Qt. I have it set up so the user selects the whole Row when they click on a cell. selectRow(0) or tableView. Reselection of previously selected row is not an ideal solution (signals about the change are emited). JasonGenX JasonGenX. As Raiv said in his comment, we can help you more if you clarify your question. Is there a way to implement multiple row selection in Qt6. Specifically I need to be able to change the checkstate on my cells checkboxes. The signal you're looking for is selectionChanged emmited by the selectionModel owned by your tree. I'm very new to PyQt and I am struggling to populate a QTableView control. . I have two widgets, QTreeView on left and another QGLWidget on the right. Text Edit (sorry not textfield :( ) use to grab string to filter the items of QTableView. This class is used to provide standard tables that were previously provided by the QTable class, but using the more flexible approach provided by Qt's model/view architecture. removeRow(r. currentIndex() What I want is the row is not selected when button is pressed. 7k Views. You could try to write your style code into a ". So my problem is how to disable some cells of QTabelView. I have the data in Qtableview, where my task is, when ever I do multiple selection of rows I want the content of all selected rows. Is there a way to get setData to work with multiple (selected) cells?. I'm sure that they'll want to select some devices i I want to clear the treeView selection, I use static_cast<QTreeView*>(mContext)->selectionModel()->clear(); To learn more, see our tips on writing great answers. See also selectedIndexes() and selectedColumns(). h protected slots: void slotLoadTransaction(const QItemSelection & selected, const QItemSelection & deselected); private: QTableView table; I'd like to select the whole rows in QTableView and only rows. Once the QWidget is properly built, pass the object to the QMainWindow as its central widget. This property controls whether the user can select one or many items and, in many-item selections, whether the selection must be a continuous range of items. ui file is, obviously enough, a QTableView. The selection mode is set with setSelectionMode(). S Offline. But when I select any row, text color changes to white for the selected row. What happens now is when I click and drag to select multiple rows, the first row is Is there any way to get data from a selected row from a table view? i've used QModelIndexList ids = ui->tableView->selectionModel()->selectedRows(); which returns a list of the indexes of the selected rows. In this case, you can use a QAbstractTableModel For more information on cells see the QTableItem documenation. I use QTableView to show data contained in my LogsModel (which inherits QAbstractTableModel). QTableView implements the Ive been working on a simple tableview model, ive hit a stumbling block when i want to edit multiple cells. Add a comment | 3 Here is a solution written for PyQt6 and supporting copying onto the clipboard, so that you can paste multiple-cell selections from a QTableWidget into a popular spreadsheet program like Google Sheets, Apple I am fairly new to QT, and am having trouble understanding how the QTableView selection changed signal is handled. raven-worx Moderators. QTableWidgetSelectionRange Class | Qt Widgets 6. Instant dev environments win32:qt4. Then, connect a slot to the row header's QHeaderView::sectionClicked() signal. In your slot, manually select all of the cells in the row. That will accomplish the 1 <-> 1 connection mode. 0 Back to Qt. As far as using two rows in the header, I do not On the C++ version of Qt 5. Clearly this was designed to be setup to only delete rows in a span so not sure if its possible to delete them in random locations. It's a substantially large project, and most pieces of the puzzle have been subclassed. Use a QTableView instead of a QTableWidget. This code lets me select rows by clicking on row headers, use ctrl and shift to select multiple rows etc. Automate any workflow Packages. QStandardItem(val) #item. By jmc in forum Qt Programming Replies: 1 Last Post: 15th April 2010, 20:40. When user clicks on the first column the whole row should be selected (AbstractItemView::SelectRow). I have just upgraded from Qt 4. It's stated in the QTable API documentation for the body slot, although there's no examples for it. A QHeaderView displays the headers used in item views such as the QTableView and QTreeView classes. Microsoft excel is one such software with spreadsheets that can store values. How can I do that? This is driving me crazy. [signal] void QItemSelectionModel:: selectionChanged (const QItemSelection &selected, const QItemSelection &deselected) This signal is emitted whenever the selection changes. In the case of QTableView, QListView and QTreeView have the method called selectionModel() that returns a model that tracks the selected elements, and that model has a signal called selectionChanged() that is issued whenever there is a I'd like it to have a feature of multiple item selection via using click+drag sequence (i have that feature and it works fine), but i'd also like to disable CTRL+click sequence. Thank you very much I have custom table view that shows content of custom abstract model. V Offline. Sign in Product Actions. How do I get rid of these numbers? My other QTableView presents items from a model in the form of a table, Multi-item selections: In this mode, the user can toggle the selection state of any item in the widget without changing the existing selection, much like the way non-exclusive checkboxes can be toggled independently. const QItemSelection QItemSelectionModel:: selection const. This signal is emmited with the selected item as first argument and the deselected as second, both are instances of QItemSelection. In order to make it work I had to make two changes: 1) The emitting object had to be changed to be the QTreeView's selectionModel. I am trying to make it so that when a cell is selected, all cells above it are also automatically selected, so in the example below clicking x would select all these cells:. class MyModel : public QIdentityProxyModel { The first step is to add a horizontal layout with just a QTableView. I have a QTableView that holds a bunch of QVariant data. Currently, the selection model I use is configured to support multiple selection of rows only. Is that possible? qt; Share. The multi-selection feature has been enabled for it. setEditTriggers(QAbstractItemView::NoEditTriggers);@ Use a QTableView instead of a QTableWidget. 1 Reply Last reply . Sth like in EXCEL, user drags to draw a rectangle to select multiple cells I am thinking maybe I can set a transparent blank qwidget on top of the qtableview to use QRubberband, but is there a built-in functionality in QTableView? Looks like once I click on QTableview only single cells get selected. QTableView presents items from a model in the form of a table, Multi-item selections: In this mode, the user can toggle the selection state of any item in the widget without changing the existing selection, much like the way non-exclusive checkboxes can be toggled independently. I've implemented column sorting using QSortFilterProxyModel. The initialization of the QTableView is shown as follows: Selection Control selection behavior using QTableView::setSelectionMode(). SGaist Lifetime Qt Champion. The answer for the question is possible to achieve with the following steps. QObject. The user shall be able to pick up some cells but only if they belong to the same column: When one of the QTableView's QModelIndex is clicked I want to select an entire row of the same-row-indexes. So user click one cell in QTableView and gets clicked cell highlighted and in additional several 'dependant' cells change appearance (get selected or just gets highlighted in any way). The QTableView class is one of I am trying to pre-select multiple "individual values (or cells some would like to call em)" from the QTableWidget and I don't seem to be able to find the right method. 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company The posted code creates a singe Model/Proxy QTableView. Now I have: How can I fix this? Solutions for QTableWidget can help too. I thought - I need to get index of the selected row and then get the value of the first сell on that line, but I couldn't find a way to do it. I'm making the gui for my QGIS3 plugin using PyQT5 and QT designer. selected property iis a boolean that indicates whether the row is selected or not. If not, I use the ItemSelectionModel (and onSelectedIndexesChanged) for the single row selection functionality, but I don't see how that can be extended to incorporate multiple I am looking to select multiple rows in a tablewidget at once, as if the user had Ctrl+clicked or Shift-clicked on the vertical headers. wrote on last edited by #2. Do this by retrieving the selection model for the table (QTableView::selectionModel()), then Yes for group selection I just want the grouped cells to match single selection. This operates on the row index, so you need to remove rows from the bottom up to keep the row indices from shifting as you remove them. The table will show a grid Yea, I am using that one. The QItemSelection class is one of the Model/View Classes and is part of Qt’s model/view A QTableView implements a table view that displays items from a model. Sign up or log in. That is at a time more than I am using QTableView to display data retrieved from QtSql. So you might want to change the line: QtCore. Since I was making the connections in the init but only setting the model for this QTreeView later, there was no valid selectionModel in place. The following creates a table widget using the QTableWidget class: win32:qt4. columns: # for the list model if i > 0: item = QtGui. 0. How select next row in QTableView. The problem is that the list of selectable items is very long and I'd need a If you are removing multiple rows you can run into some complications using the removeRow() call. Share. If I do a multiple selection, I must highlight the items in the glwidget. The QPersistentModelIndex are invalidated as well. I want original color to be displayed when I select any row. The QTableView class is one of Check the QTableView's properties, such as setSelectionMode() and setSelectionBehavior(), to ensure they are configured correctly. JoeCFD. How to detect a button click in a QTableView rows cell. 6 and I'm using Qt6. When user clicks on cell in other column just the particular cell should be selected (AbstractItemView::SelectItems). viewClicked) Inside of With the above code i could not able to remove the selected rows from the QTableview is interface with database conncetion. Enable/Disable QPushButton upon row selection in QTableWidget. In the model I've implemented all needed methods to support changing rows order by DragAndDrop ( using dropMimeData()). Then a maybe silly question but are you explicitly I have QTableView which created using QStandardItemModel. There will always only be a single value as the double click remove the previous selection. They have disappeared. I'm not exactly sure if selectRow() will keep the other rows selected. 8. selectedRows() for r in rows: qTable. I have also tried "MultiSelection" but still not getting it? *** Same command (QAbstractItemView. QSqlQuery. or at least I would like to know what are the row numbers I have selected. I have a very long list of items in a QComboBox and I need the user to be able to select one or more items. ExtendedSelection) A QTableView implements a table view that displays items from a model. You can create a QTableView object and place it inside a QHBoxLayout. g. The table will show a grid This is more efficient than indexing in two steps, as for the list of list examples. So is there some way of I want to prevent control+A shortcut from selecting all the files in QTableView, I want to make it as such that it can only select with mouse but not with a keyboard shortcut. itr cell then the entire third row should I have the data in Qtableview, where my task is, when ever I do multiple selection of rows I want the content of all selected rows. These Tables You are not supposed to use a custom model with QTableWidget, the internal model, QTableModel is private, and not a part of the Qt API, so you can't properly subclass it. Introduction to PyQt QTableWidget class. Whenever you want to modify the Unfortunately I can't help with the Python specific syntax but you don't need to create any subclasses. This is the trickiest part, but refer to the above link for a walkthrough of how to do this. as you can see, you can bind it to a A QItemSelection describes the items in a model that have been selected by the user. I tried doing this by just looping over all selected indexes, and selecting the cells one row above, however it seems Btw, if your intention with the selection models was to remove multiple selected rows, then use sth like this @ def remove(): rows = qTable. Other two include character "B" in their "item" names. For example, you can enable or disable multiple selection, set the I have set these properties on the table_view (QTableView) object: table_view.
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