Pyqt qtreewidget select item QTreeWidget class provides a tree view that uses a predefined tree model. QItemSelectionModel ¶ class QItemSelectionModel ¶ The QItemSelectionModel class keeps track of a view’s selected items. QTreeWidget does provide the signal itemSelectionChanged but it fires anytime the selection changes for any reason, including it being changed programmatically, so it doesn't fulfill my requirements Tree widget items are used to hold rows of information for tree widgets. QtGui import * from PyQt4. Sep 6, 2016 · Re: How to get index number for selected item in QtreeWidget The third argument of QMessagBox::information () is a QString, QModelIndex is a different class and there is no immedate conversion from that to QString. QtWidgets. Developers who do not need the flexibility of the Model/View framework can Dec 28, 2016 · Does anyone know if its possible to select multiple items on a QTreeWidget and how to go about enabling the multiple selection? All the items I want to be selectable are top level QTreeWidgetItems We would like to show you a description here but the site won’t allow us. Aug 10, 2020 · Hi, I'm working on highlighting a selected row in QTreeView bold when double clicked or to be specific through using index of that row selected. Selection is my concern. While dan_g's code was very helpful I believe it will not list all items if the tree depth is greater than 2. I need to store the QTreeWidgetItem in another variable and mark it as selected after the tree has been completely populated. For information about other widget customizations, see the pages on QPushButton Aug 17, 2012 · Main question: Is there some way to select the first item in the tree, foo in this case. Sep 11, 2022 · have a PySide6 QTreeWidget with some Elements and Checkboxes, very simple. files_treewidget. Currently, I am able to update single item by setting the current index of the tree view. Items are usually constructed with a parent that is Nov 2, 2014 · If only one item is selected, I think yes, because setting current item also selects it. The QTreeWidgetItem class is a convenience class that replaces the QListViewItem class in Qt 3. We've previously covered how to use search in a QTableView. The QTreeView has SelectionBehavior set to SelectRows. Mar 7, 2021 · Expansion and selection are tasks that affect the visual part so they must be handled by sight. It supports various functionalities, including adding, removing, and customizing tree items, handling Aug 20, 2021 · @ JoeCFD said in QTreeWidget select all children of a selected item: @ SGaist Use iterative loops if possible. editItem(item, column) # Makes Row uneditable item. In my main window, I have separate class "TreeView" which holds QTreeView widget and in I was wondering how I can return the text value, and index of a selected item in a QTreeView. But each item is returned multiple times. If you look at the function selectItem, you can see that this will print the item in the sel The QTreeWidgetItemIterator class provides a way to iterate over the items in a QTreeWidget instance. In this article we will show how to use the widget. Format and resize your Tree Widget. how to do it? : here the link to output the image . I think the only way to handle with that is using selectedItems and IndexFromItem: @QTreeWidget* treewidget; // some code Mar 11, 2021 · Cody_Jackson | 2021-03-11 18:42:16 UTC | #1 Trying to get the indexes from multi-selection of items in a treeView. itemChanged signal to get the QTreeWidgetItem that was checked (or unchecked). 3) My final aim is to The invisible root item provides access to the tree widget's top-level items through the QTreeWidgetItem API, making it possible to write functions that can treat top-level items and their children in a uniform way; for example, recursive functions. The QTreeWidgetItem class is a convenience class that replaces the Nov 12, 2012 · Unfortunately, QTreeWidget is not what I need for the specialised 'drag and drop' and only having one editable column functionality. Nov 20, 2016 · 6 I am trying to connect to the selectionChanged signal of a QTreeView using PyQt. My question is how do I query what cells are currently selected? Oct 6, 2018 · Hi, 1)I have QTreeWidget and there are many QTreeWidgetItem attached to it. It means first added item is located in the bottom row and last added item is located in the top row. It provides an item for use with the QTreeWidget class. QTreeWidgetItem. thank you! May 27, 2025 · Purpose The selection model determines how users can select items (single, multiple, etc. Any help would be much appreciaed! A simple sample code is below: @ import sys from PyQt4. text (1) with the cursor. Jun 2, 2014 · The signal you're looking for is selectionChanged emmited by the selectionModel owned by your tree. The user should be able to select only one check box at time for each Learn how to use a Tree Widget, or QTreeWidget with Python PyQt5. 7: QTreeWidgetItem Class ReferenceDetailed Description The QTreeWidgetItem class provides an item for use with the QTreeWidget convenience class. I have done this in the past (for a QTableView) and was successful. if column == 1: # Makes Row editable item. I have create multiple QTreeWidgetItems to generate a file browser-like. Note that I'm using QTreeWidget, not QTreeView. This class is based on Qt’s Model/View architecture and uses a default model to hold items, each of which I'm currently looking to a way to get the name of the selected items of a QTreeWidget. QListView class in Qt 3. Mar 24, 2022 · I'm trying to select an item in a QTreeWidget via code and it's not working. Display details of the selected item. I created a recursive version that will list all selected items regardless of their level in the tree. And Sep 28, 2018 · I have a two-dimensional QTreeWidget, how can I get an Item by clicking on it? I use PyQt5. Notice that using a QTreeWidget is not the only path to display information in trees. I need to know if I clicked on an empy region of the Tree because I have actions that I have to enable or diable depending on the item that is clicked. Removing the comments you can see how both of them are removed from the tree. Details May 13, 2015 · I am trying to make a functionality, that will select the last item in the QTreeView, if there are no items selected. Clicking an item's name ('Item_1', 'Item_2' and etc) makes the item "selected" but its. The index carries row and column information, as well as another index for the parent node in the tree. The idea is that in each line of the txt there are some parameters base on date values (02 Oct 2, 2015 · Here is the new stripy look: Next we can set the opened folder with a stronger color by adding following CSS: Note that when an opened directory is selected (‘run’ directory), the selected color is blocked by ‘item::open’ CSS settings. I managed to fill it with data and retrieve the entire path to the selected item correctly, but searching for and selecting an item in the tree based on its path is beyond my current abilities. In other words, the visual cues that are provided during the drag operation indicate either an insertion (dropping between two other children), or a re-parenting (dropping the You can connect the QTreeWidget. This method is used to set the selection model that controls how items within a QTreeView are selected. treeWidget looks like: U Mar 3, 2015 · I have created a QTreeWidget, I'm trying to list all the items displayed. Developers who do not need the flexibility of the Model/View framework can use this class to Feb 13, 2016 · [SOLVED] How to get selected item on QTreeView ? Unsolved General and Desktop qtreeview 9 Posts 4 Posters 35. treeWidget = QTreeWidget() Then in your example you forgot to add the top level item Apr 20, 2025 · Tree and List Widgets Relevant source files This page documents the implementation and examples of tree and list widgets in PyQt, covering QTreeWidget, QListView, and QComboBox components. If to follow these steps: Right after this dialog opens Click the item (not its item-widget). Vice versa, I need to highlight the items in the tree view if multiple selection is done on the glwidget. , delete, edit). Joe, my friend, that is not the right approach! It's a very broad statement. Any pointers on how to get my derived item out of the model please? PySide6. Apr 5, 2018 · I'd like to select a few random rows by holding down the Ctrl key and clicking on each desired row. Looking at the raw returned items, each one has a different memory address, so it's not simply calling the same object multiple times, but creating multiple instances and returning each one. What i cannot getting to work is how can i make s Single Selection with the Checkboxes? What works is SingleSelection with Sep 3, 2021 · Finding and selecting matching items in a QTableWidget. treewidget. Does anyone know if this can be achieved? I imagine I'd need to override or set something in QAbstractItemView, but the documentation for that class seems rather opaque to me. I want the edit field to contain certain text that I will specify, regardless of which column I've clicked. May 14, 2007 · QTreeWidget clicked signal Hi, I'm having problems to get a signal when I click on a QTreeWidget. Developers who do not need the flexibility of the Model/View framework can Jul 12, 2013 · setCurrentItem only sets one item selected. I have a QTreeWidget with a list of speech files. Jul 22, 2013 · Hi, By adding more then one Item to the tree, the program is not able to find the text of the 2nd, 3rd, Item. In the following code example, I successfully connect to the expanded and collapsed signals, but not to the selectionChanged or activated signals. misItems to store the selected items is fine, however you need to deselect all items always before applying a new selection. The first task is done through the setExpanded() method and the second using the select() method of the selectionModel() associated with the view, in both cases the QModelIndex associated with the item is used: Oct 8, 2018 · The Qt Style Sheet are generic, in the case of QTreeWidget there is no selector that differentiates parents and children so the other option is to use a delegate as shown below: Sep 15, 2011 · I'm trying to mark the appropriate item as "selected" while I'm adding them. @ bool ok; QString text = QInputDialog::getText (this, tr ("QInputDialog::getText ()"), tr ("Target Name:"), QLineEdit::Normal, "", &ok Dec 29, 2014 · Well, I'm confused a little: I'm trying to delete selected item from QTreeWidget (in my case it have multiple columns) and always my app crashes on this action. In my code I read a dataset to select and then select them via: idx = treeview->mode Detailed Description The QTreeWidget class is a convenience class that provides a standard tree widget with a classic item-based interface similar to that used by the QListView class in Qt 3. If you want to display data arranged in a tree, use a QTreeWidget to do so. ItemIsEditable) I know that, by default, all the text will be selected Feb 26, 2009 · Hi, all I'm newbe in this forum. ui. QListWidget ¶ class QListWidget ¶ The QListWidget class provides an item-based list widget. The way I implemented this was by simply using the setStylesheet() method on the QTreeWidget object Feb 5, 2024 · The palette is normally unmodified while iterating through items, so if you change it in the meantime, any following item may inherit it even if it shouldn't: for instance, some QStyles (probably including WindowsXP/WindowsVista) use the Highlight role color to decide how to draw the background of hovered items and show a shade of that specific Oct 19, 2017 · Hi. Cheers, -- Thomi Richards Doug Bell 12 Feb 17, 2017 · 0 Say I have a treeWidget with 6 rows and 6 columns. My code doesnt work and I dont think my code is true void MainWindow::on_treeWidget2_itemDoubleClicked(QTreeWidgetItem *item, int column) { QList<QTreeWidgetItem *>items = treeWidget->selectedItems(); qDebug() << items; } Nov 9, 2011 · 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. row() was a bit of a shot in the dark, but it seems to ignore the various branches in the tree (for instance, it will give me a 0 for the first row in a branch, but won't tell me anything about what branch it's in). May 27, 2025 · Enable or disable certain UI elements. Jan 20, 2024 · How to select this element in Qtreewidget using the path to an element? Oct 23, 2024 · Displaying hierarchical data is a common requirement in many GUI applications, enabling users to view and interact with structured data efficiently. PyQt – 获取所有选中项的QTreeWidget 列表 在本文中，我们将介绍如何使用PyQt来获取在QTreeWidget中所有被选中的项的列表。QTreeWidget是PyQt中一种常用的树形控件，它提供了树状结构的展示和交互功能。 阅读更多： PyQt 教程 QTreeWidget 的基本使用 在开始介绍如何获取选中项列表之前，我们先来简单了解 Aug 11, 2014 · This code creates QTreeWidget with QComboBox and QLineEdit set as item widgets (using setItemWidget () method). We're going to use Item-Based Tree widget: In the example below, we'll construct 3 top-level tree nodes, and each of them has two child tree nodes as shown in the picture: Here are the codes: dialog. The QItemDelegate class is one of the Model/View Classes and is part of Qt's model/view Nov 12, 2012 · Unfortunately, QTreeWidget is not what I need for the specialised 'drag and drop' and only having one editable column functionality. QtGui The QTreeWidget class provides a tree view that uses a predefined tree model. This works for root level nodes. I would also like that item to have a selection highlight, but I can't seem to figure that out. I've tried to use a for loop to try and Nov 5, 2024 · Here I subclassed QTreeWidget, but it would work similarly for any standard Qt item view (including the inherited QTreeView), except maybe for QColumnView, since it's based on multiple QListViews. Nov 27, 2018 · deselected is a collection of QModelIndex es; these are the items deselected during the event. Rows usually contain several columns of data, each of which can contain a text label and an icon. Developers who do Aug 17, 2023 · Finally, using self. I am going to show on both PyQt5 and Qt C++. QTreeWidget. Seventh, define the clear() function to remove all items from the list: Sep 6, 2011 · Hello! I'm having a work with QTreeWidget and I found a problem here in locating an item on it by one of its texts. I don't see any method to set more than 1 item selected programmatically, but maybe I'm overlooking something? Of course, my tree widget is configured to enable multiple selection. The problem is that if no item is selected there is no signal emmited. flags() & ~QtCore. Jan 1, 2021 · As for the highlighting, you can implement a custom QStyledItemDelegate and mark the tree items using a custom role. However, I still need some insight from somebody. e. How can I accomplish this on a QTreeView? Sep 10, 2017 · I have a QTreeView with QFileSystemModel as model. How to Nov 15, 2016 · I was looking to select a row in a QTreeView programmatically, and I found 95% of the answer here. This signal is emmited with the selected item as first argument and the deselected as second, both are instances of QItemSelection. Anyone has good idea? Thank you in advance. Related course: Create GUI Apps with PyQt5 PyQt5 Treeview Example Oct 2, 2015 · Here is the new stripy look: Next we can set the opened folder with a stronger color by adding following CSS: Note that when an opened directory is selected (‘run’ directory), the selected color is blocked by ‘item::open’ CSS settings. By default, the value of this property is style dependent. I think the only way to handle with that is using selectedItems and IndexFromItem: @QTreeWidget* treewidget; // some code Nov 2, 2014 · If only one item is selected, I think yes, because setting current item also selects it. So far I have tried this We would like to show you a description here but the site won’t allow us. Dec 16, 2019 · I use a QTreeView, I'd like to return an Item object (or data) instead of the item text when I click on the item in the TreeView For example, TreeView has an item named "Banana" When I choose a selection in the QTreeWidget programmatically using item_selected('Item2') the selection gets passed to the handler as expected. The select() method does the job perfectly, except that it doesn't seem to trigger any of the eve Dec 6, 2017 · I'm trying to find a way of selecting QtGui. Jul 10, 2015 · In order to do this I want to have check boxes associated with each top level item and each child so the user can select which top level items (and thus all the children of that top level item) to delete. Sep 5, 2021 · Add QComboBox widgets to your PyQt/PySide projects. clear() Jan 27, 2010 · Finally, I have successfully connected the treeWidget "currentItemChanged" signal to a slot, so that I can verify when the selected item changes (if I understand the documentation correctly, the 'selected item' is automatically the same as the 'current item' whenever the QAbstractItemView::SingleSelection mode is set). Jan 19, 2024 · Can I ask for a piece of code? I'm a very new coder, and even though I've used many PyQT elements in my application, QTreewidget is too complicated for me. Enable or disable certain UI elements. Well, I think you will get problems when having more than one selected item. Jan 16, 2017 · self. Mar 29, 2021 · I want to achieve the selected items. QTreeWidget class is a convenience class that provides a standard tree widget with a classic item-based interface similar to that used by the PySide. My patchwork method involves setting the tree's current selection to current and then: if current. Mar 18, 2020 · 4 I have a QTableWidget item. Item's background Sep 19, 2014 · I presently have a QTreeWidget named 'treeWidget', and for the life of me, cannot figure out how to get the index value or the text of the selected treeWidget branch. I fill this item with pandas DataFrame data. par Sep 19, 2012 · I am a little bit afraid of deleting items of a QTreeWidget. The QTreeWidget class is a convenience class that provides a standard tree widget with a classic item-based interface similar to that used by the QListView class in Qt 3. The way I implemented this was by simply using the setStylesheet() method on the QTreeWidget object Feb 5, 2024 · The palette is normally unmodified while iterating through items, so if you change it in the meantime, any following item may inherit it even if it shouldn't: for instance, some QStyles (probably including WindowsXP/WindowsVista) use the Highlight role color to decide how to draw the background of hovered items and show a shade of that specific 4 I wrote simple programm with QTreeWidget. 7k Views 1 Watching We would like to show you a description here but the site won’t allow us. I edited your code into a viewable GUI. I want to set it to all. I want to know how to put QTreeWidgetItem in QTreeWidget from bottom up. Items are usually constructed with a parent that is either a QTreeWidget Jan 9, 2010 · In this case items would not get selected but you still will see focus rectangle around them. I would like to allow keyboard navigation selection of my QTreeWidget, but I can't find a similar signal for when I select items via the keyboard (i. Hi all, I have been trying to select a row (also go to that row) from a qtreeview problematically but could not achieve it. Whenever an item is left-clicked, or ctrl - clicked, or shift - clicked, it becomes "selected". This class is based on Qt’s Model/View architecture and uses a default model to hold items, each of which is a QTreeWidgetItem . How can I get selected header labels from QTableWidget? Oct 26, 2015 · How to check/uncheck all the items in a QTreeWidget? By qlands in forum Newbie Replies: 5 Last Post: 7th July 2010, 05:58 Qt5 Tutorial: QTreeWidgetNote that the Project Explorer itself is a tree. If I call setCurrentItem with the item I want to select it seems to change it internally, but it doesn't visually change the selection in the control. Or you can sublcass QTreeWidget and follow the same pattern for the event Nov 7, 2011 · I have drag-and-drop in my QTreeWidget working now. For top-level items, the indentation specifies the horizontal distance from the viewport edge to the items in the first column; for child items, it specifies their indentation from their parent items. I have this part of the code, but it gets only the first item of the selected row (or any other by changi Jul 11, 2015 · Trying to get the item number using self. Related course: Create GUI Apps with PyQt5 PyQt5 Treeview Example Dec 3, 2023 · 本文整理了PyQt (PySide) QTreeWidget 的常用方法与使用技巧，包括类继续关系、常用方法与信号，QtreeWidget树的创建、QTreeWidgetItem条目的编辑，树的各种设置、节点的拖拽、双击编辑、弹出式菜单、样式设置与树中信息的填充等，适合不同层次的开发者参考。 以上代码定义了一个名为 get_selected_item() 的方法，通过调用这个方法，你将会获取到当前选中项的文本和索引。 注意，我们使用了 currentIndex() 方法来获取当前选中项的索引，然后使用 data() 方法获取该项的文本。 May 24, 2020 · I am not concerned with the hover functionality. The QItemDelegate class is one of the Model/View Classes and is part of Qt's model/view Qt 4. self. This works as expected and I can select individual cells. row () at the end? I need row# to locate the item for ui->DeckList->topLevelItem (row); Do you have a better suggestion? Aug 24, 2015 · This is where my code needs to force a selection on the QTreeWidget, none of the code I use throws up any errors but also has no eff