Pyqt qcombobox remove all items After I select the format from RST to XLSX and click start, the combo Jan 16, 2014 · I am trying to create a QAbstractListView for use with a QComboBox which maintains a sorted list of the items it contains. Here is the preview of QComboBox with icons ( resultant from given code). My each QCombobox has multiple values with checkboxes. QtWidgets import QInputDialog, QApplication, QWidget, QGridLayout, QListWidget, QPushButton from PyQt6. setData("My data") Question. Apr 2, 2020 · QComboBox is a widget in PyQt5 which is used to choose from a list. 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. Editing Features A combobox may be editable, allowing the user to Sep 5, 2021 · Add QComboBox widgets to your PyQt/PySide projects. In order to do this we have to change the style sheet code of the combo box, below is the style sheet code QComboBox { background-color : lightgreen; } Below is the Apr 15, 2021 · How to clear/remove ComboBox delegate data from QTableView was written by Martin Fitzpatrick . In Qt, like in most GUI frameworks, widget is the name given to a component of the UI that the user can interact with. PyQt QListWidget class example The following example shows how to add, insert, remove, and clear all items from a QListWidget: import sys from PyQt6. Building desktop applications to make data-analysis tools more user-friendly, Python was the obvious choice. Create Combo box 2. Martin founded PythonGUIs to provide easy to follow Apr 2, 2020 · In this article we will see how we can set the background color to the combo box. if selection of item is changed combobox1, accordingly updated items in all other combobox's. Jun 25, 2025 · We know we can add items in the combo box with the help of addItem method to add single item and addItems method to add multiple items. A QComboBox object presents a dropdown list of items to select from. Users scroll and click to choose. ” Apr 2, 2020 · In this article we will see how we can clear all the items in the combo box. Apr 15, 2021 · Hi Guys, Can someone please help with this issue? I have a table view with QtCore. The problem is that the list of selectable items is very long and I'd need a dropdown menu or something similar. Could you p Sep 8, 2021 · PyQt6 has a huge library of widgets including buttons, checkboxes, list boxes and sliders or dials. html you will see the function clear(). Below is the representation of normal view box and view box with color. Apr 28, 2025 · In this article we will see how we can get the text i. QComboBox is a versatile GUI data selection element that provides a dropdown menu with a list of items. My program has things and values that change dynamically based on some of this stuff -- I imagine a "sanity check" would only be really practical when the final step is a "button" thing, which In this tutorial, you'll learn how to use the PyQt QComboBox to create a combobox widget. Learn how to use them in your apps. 8, Qt Designer I'm struggling to set the padding of the text items on a combobox drop down. @ SGaist please guide me. Jan 20, 2008 · Also, you title says "Delete all items in a comboBox. In this article, we will explore everything Dec 29, 2014 · Then the problem is with foreach. I've included some sample code below that illustrates my problem. The QComboBox widget in PyQt6 is used to Combo Box, which displays a drop-down list of options, which the user can select any option from. QComboBox class is used to add a combo box in a application. Add items to the combo box 3. Mar 19, 2012 · QCombobox - disable an item but still retain it in the list is it possible to disable a single item (or more if I so choose) in a QCombobox. CurrentController. In order to do this we have to change the style sheet associated with the combo box, below is the stylesheet code QComboBox { border : 2px black; border-style : dotted; } Below is the implementation Apr 2, 2020 · In this article we will see how we can add item to the combo box. Dec 27, 2023 · Here is an anatomy lesson: Text field shows the current item. e index or item and other is the string i. Syntax : combo_box. CSDN桌面端登录第一个 ARPANET 连接建立 1969 年 11 月 21 日，第一个 ARPANET 连接建立。这一天，在加州大学洛杉矶分校和斯坦福研究院（SRI）之间建立了第一个永久性的 ARPANET 连接，其首批四个节点中的两个首先连接成功，另外两个是加州大学圣塔芭芭拉分校和犹他大学，在 12 月 5 日创建连接完毕。 1384 Jul 23, 2025 · In this article, we will learn how to remove all items from QlistWidget in PyQt5. If you want a user to choose from a set of items, the listbox is the best option. Another solution was to use QAbstractItemView::item which didn't work for me. Now I have two comboBox:box1,and box2. It enhances user experience by offering a clean and efficient way to select one item from a list. Jan 2, 2013 · If I understood your problem correctly, you want to remove several items from a QComboBox. clear (),Check if element exists in list Oct 31, 2007 · Removing all items in a combobox Hi, Can anybody plz tell me how can i use ResetContent () to remove all items in a combobox if i only know the object id of that combobox In my application, I want to disable some items (i. It’s simple to implement yet powerful, supporting features like dynamic item management, editability, and easy signal handling for user interaction. GetByName("CmbxSearch") REM -- get the number of items Aug 3, 2015 · QComboBox. Martin Fitzpatrick has been developing Python/Qt apps for 8 years. In order to get the count of all the items in the combo box we will use count method. below is the code I wrote: sub Cmbx_Update dim oSheet, oCmbxSearch As Object dim iItems, iCycle as integer oSheet = ThisComponent. void QComboBox::removeItem ( int index ) Removes the item at the given index from the combobox. I'm missing something, but I can't see it. Equivalent to specifying border-top-color, border-right-color, border-bottom-color, and border-left-color. setItemText (index, item) Argument : It takes two argument one is integer and second is string Action performed : This will change the content at that specific index Steps for implementation - 1. It takes minimum screen space on the form required to display only the currently selected item. I love Sep 5, 2021 · Add QComboBox widgets to your PyQt/PySide projects. The first element seems to be a label followed by a list: Catch mouse button pressed signal from QComboBox popup menu python events Nov 8, 2019 · I need some help adding some items to a QComboBox. It seems to me that you are using an outdated tutorial, in PyQt4 you had to convert the PyQt object to python native object using the toPyObject() method, but in PyQt5 it is no longer necessary: Apr 2, 2020 · In this article we will see how we can change the content of item at the specific index in combo box. Apr 18, 2025 · Learn how to use the QComboBox widget in PyQt6 to create dropdown menus in your GUI applications. When I u Jun 13, 2022 · I'm using the latest version of Qt Designer to make a PyQt app. Get the view object of combo box 4. May 10, 2022 · Hi, everyone. Jan 4, 2011 · Can you paste a full testcase? (That is, a minimal, self contained, compilable, correct snippet that shows the error). It's a widget that presents the user with a list of options, but only displays the currently selected option. It takes minimum space when we click on combo box, a drop down list came from which we can select the item. i have created a qmap with some records of an xml file. How can i do that?? I looked for an property to make the layout delete all items in the destructor, but i haven't found such an property. [slot] void QTableWidget:: clearContents () Removes all items not in the headers from the view. Oct 20, 2019 · Trying to remove all items in a combobox and load a new list of items after an index change from other comboboxes. qt. Starting with Tk, later moving to wxWidgets and finally adopting PyQt. Comboboxes can contain pixmaps as well as strings if the insertItem () and setItemText () functions are suitably overloaded. Update the Combo Box: Update the items The color of all the border’s edges. I love In the example above, there's a QComboBox filled with some items and a QPushButton. e Removes all items in the view. Create push button 4. 3 days ago · In GUI application development with PyQt4, QComboBox is a versatile widget that combines a dropdown list with an editable text field (optional), allowing users to select from a predefined set of options. You can get the current index using self. QStandardItem("Item Name") Then I set item's data: item. Detailed Description A QComboBox provides a means of presenting a list of options to the user in a way that takes up the minimum amount of screen space. I could only find combobox->currentIndex() Is there a smarter way to do it other than combobox->itemData(combobox->currentIndex())? Update: This is no longer necessary as of Qt 5 Apr 28, 2025 · In this article we will see how we can hide the combo box when any other item get selected. This is a very simple version of this project. setMaxVisibleItems (n) Argument : It takes integer as argument Action performed : It will set An item can be removed with PySide. Add items to combo box 3. How can I get the selected value? I searched for help but I couldn't find a method currentData() which I expected to find. e content of current item selected in the combo box, in order to do this we will use the currentText method. We know we can add items in the combo box with the help of addItem method to add single item and addItems method to add multiple items. removeItem () and all items can be removed with PySide. For editable comboboxes, the function clearEditText() is provided, to clear the displayed string without changing the combobox’s contents. Oct 30, 2023 · If you take a look at https://doc. This will also remove all selections and headers. PyQt5 - 如何删除组合框中的所有项目 在这篇文章中，我们将看到如何清除组合框中的所有项目。我们知道，我们可以通过addItem方法在组合框中添加单项，addItems方法添加多个项目。为了删除组合框中的所有项目，我们将使用清除方法。 语法： combo_box. In this article, we will explore various features of QComboBox, from creating and populating it to customizing its appearance and Apr 25, 2025 · Learn how to create a Python program using PyQt to create a combo box that displays selected items on the screen. Jul 23, 2013 · 6answers 20kviews remove items from QComboBox from ui I am trying to tweak the ui of a QComboBox in a way that the user can remove items from the drop down list (without first selecting them). In Qt (and most User Interfaces), widget is the name given to a component of the UI that the user can interact with. But all other layouts with the objects i added in the function will not be deleted. PyQt QComboBox QComboBox is a widget which provides a list of options to the user in a way that takes up the minimum amount of screen space. This might not be what you intend if you wanted to replace the existing items. Create Pyqt Pyside QComboBox Disable Wheel Scrolling, Removal Roller Change Value and Get Focus Function, Programmer All, we have been working hard to make a technical sharing website that all programmers love. Started trial& error on the following code: @ foreach (QString A combobox can be created with the QComboBox class. Displaying data is working fine except when my data changes the numbers in delegate don’t change and get stuck to what it populated on the first run of receiving data. This property is supported by QAbstractItemView subclasses, QAbstractSpinBox subclasses, QCheckBox , QComboBox , QFrame , QGroupBox , QLabel , QLineEdit , QMenu , QMenuBar , QPushButton , QRadioButton , QSplitter , QTextEdit , QToolTip , and plain Jun 17, 2023 · I am working with PyQt6 and need to create a variable number of combo boxes. Jan 5, 2011 · Re: QComboBox: disabling an item in the combobox menu You can create a custom item delegate and react on some user data to paint some items in lighter grey (or wathever) and make it so you can't select them. Note: If you have set an external model on the combobox this model will still be cleared when calling this function. I have several combo boxes and several buttons in the UI. Sometimes when the need of combo box get fulfilled it should get removed but removing it will not allow us to reuse it therefore hiding it is a better option. Aug 7, 2014 · You can use the removeItem() method to remove an item from the QComboBox. currentIndex ()); @ With this code, you would delete the entry that is currently active (shown in the non-expanded field). We would like to show you a description here but the site won’t allow us. PyQt 从UI中删除QComboBox的项目 在本文中，我们将介绍如何从PyQt的用户界面 (UI)中删除QComboBox的项目。 QComboBox是PyQt中的一个常用组件，用于在下拉列表中显示选项。 I have a QComboBox populated from a database table. In order to change the maximum visible items number we use setMaxVisibleItems method. to cleaning the window or deleting all elements using Qlistwidget in Python, its clear () method is used. Feb 10, 2020 · 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. A combobox is a selection widget that displays the current item. Thanks in advance for your help. Nov 16, 2010 · Hi,everyone. Hide the view object Syntax : # getting view part Apr 28, 2025 · In this article we will see how we can find the total number of items present in the combo box. Combo box will then allow us to choose from the added items. QComboBox, a versatile widget in PyQt6, provides a drop-down list of options for users to choose from. Now how can i hide item text and arraow from QComboBox editable ? and make drop-down pop-up aligned center to current editable icons. In order to do so we have to get the view object of combo box and had to hide it. takeFirst () removes the first item from the list and returns it (or it returns nullptr if the list is empty). . May 27, 2025 · Now, QComboBox::QComboBox () is what we call a constructor. May 27, 2025 · Ah, a QComboBox! Think of it as a dropdown list or a selection box in your Qt applications. Create a combo box 2. In order to do this we will use setItemText method. Aug 19, 2015 · -1 Instead of using . How do I add a combobox in PyQt? In PyQt, you can add a combobox by creating an instance of the QComboBox class and adding it to a layout or another widget. i have tried following code but its not removing duplicates from comboBox. The best article I could find on my use-case here is from this link referring to PyQt4 QComboBox: dropdown event/callback in combo-box in pyqt4 I also found another link that contains a nice image of a QComboBox. It holds a list of options, and removeItem () is the action of physically removing one of those options. Although I could just have a list of items that correspond to the items A QComboBox object presents a dropdown list of items to select from. Visit Advanced PyQt5 e-book, read PyQt6 tutorial, or list all PyQt tutorials. removeItem (combobox. Behind that menu lies the actual data structure holding those items. Below is representation of combo box items with a separator looks like - Syntax : combo_box. Learn how to use them to build interactive GUI applications in Python. My question is that, using additem for new items, it works, Oct 29, 2015 · Info: Qt 4. How can I clear the items in the ComboBox delegate? I have tried re Apr 28, 2025 · In this article we will see how we can add separator at the desired index in the combo box. clear (), if I remove it the code functions successfully, although it appends the updated csv to the end of the combobox list giving duplication. QtGui. The background is that I am using the QComboBox to indicate I'll show you how to Programatically add single items to the ComboBox, as well as multiple items using Python Lists. QComboBox. If you don't want to remove the headers, use QTableWidget::clearContents (). How do you delete items in QComboBox? Apr 1, 2022 · @musicamante That's the thing -- I do NOT want to allow the user to select an item that has already been selected in another, AT ALL. DrawPage. The QComboBox is a simple widget for presenting a list of options to your users in PyQt, taking up the minimum amount of screen space. QComboBox QAbstractItemView { border: 2px solid darkgray; selection-background-color: lightgray; } which provides a general control over the menu but no control over the individual items except a slight control over the selected item. Aug 20, 2014 · I have A LOT of QComboBoxes, and at a certain point, I need to fetch every item of a particular QComboBox to iterate through. Mar 11, 2020 · I have QTableWidget in which I have QComboBox in each row for particular column. Why? comboBox->setDuplicatesEnabled (FALSE); //this is in mainForm constructor void MainForm::insertItem () { (checkboxi->isChecked ()) ? comboBox->insertItem CSDN桌面端登录微软首次发布 Microsoft Office 1990 年 11 月 19 日，微软首次发布 Microsoft Office。这一天，微软发布了 Windows 版本的 Microsoft Office，其中包含了文档处理工具 Word、表格处理工具 Excel，以及演示文档工具 PowerPoint，被后人合称“办公三件套”。 2157 May 27, 2025 · In essence, QComboBox::duplicatesEnabled is a boolean (true/false) flag that determines whether the combo box should permit or prevent the addition of duplicate items to its list. " Is this really your intent? Is the combobox dynamically populated entirely by using AddItems? ComboBox. This will update the current index if the index is removed. The model () method gives you a way to get your hands on that underlying data structure. The QComboBox only provides room to show two out of the three items. One of the essential widgets provided by PyQt is QComboBox. IF the combobox is populated in the control's Property Sheet it'll be re-populated on re-opening the form. setItemData (index, role) Argument : It takes two argument one is integer i. Sometimes its called a listbox, as it shows a list of items a user can select from. I have read is studied a lot of tutorials, but I found nothing to get to just delete the selected content in the field. insertSeparator (index) Argument : It takes integer as argument i. The problem is After I choose from a combo box and then click any pushbutton. Add items, handle user selection, and customize behavior easily Display Features A QComboBox is a compact way to present a list of options to the user. In order to hide the items we have to do the following steps - 1. The items you see in the dropdown – the text options – are just the surface. Separator is the black line in between two items, in order to add the separator we use insertSeparator method. Items are added using the class method addItem, followed by a string parameter. There are no hide/unhide methods for QComboBox items. currentText () , and the text of a numbered item is returned with text () . addItem("Item Name", "My Data") to populate the QComboBox I create its item first: item = QtGui. Clear the widgets in a QFrame when I ch Apr 28, 2025 · In this article we will see how we can adjust the combo box according to the size of item which has maximum size among the item list. This pyqt5 combobox tutorial will show you the ins and outs of comboboxes with real world examples. Like this. Apr 28, 2025 · In this article we will see how we can set the item role in combo box, by default when we create a combo box and add items to it no role is set to the items, in order to set this we will use setItemData method Syntax : combo_box. View part is basically drop down item list, which shows all the available items, we have get the view object with the help of view method, by default combo box uses QListView object. A combobox may be editable, allowing the user to modify each item in the list. The boxes cannot hav CSDN桌面端登录世界上第一个鼠标诞生 1970 年 11 月 17 日，世界上第一个鼠标诞生。为了替代烦琐的键盘指令，简化计算机操作，道格拉斯·恩格尔巴特设计了首个鼠标，并申请了专利。你很难想象，它是个机械鼠标，外形是小木头盒子，跟计算机交互的原理是由盒子底部的小球带动枢轴转动。 3494 May 7, 2015 · I want to style the highlightation of choosed (not selected! see below) item in drop-down of combobox. Martin founded PythonGUIs to provide easy to follow Approach: Subclass QComboBox: Create a custom subclass of QComboBox where you can define methods for filtering items. To achieve the required functionality i. By default combo box is of grey color although we can change its color. comboSiteCodes. Filtering Method: Implement a method that filters the items based on the text input and updates the combo box accordingly. QAbstractTableModel and a ComboBox delegate using QItemDelegate. I do not want to remove an item from the list just gray it out or so it cant be selected. I suggest while and using QList::takeFirst () as a more sure processing the list. clear () 参数： 它不需要参数 执行的动作： 它将 The items only show their colors when you click on Combobox to show all items list. I know that QComboBox allows only single selection, so I thought that I can use QListWidget. My requirement is: If Item1 is selected in any combobox1 it shouldn't show in all other combobox's. It's a special function that gets called automatically when you create a new QComboBox object. Jan 14, 2018 · On the other hand going to your answer I recommend calling clear () before adding the new elements because for example if in the combobox first there are numbers from 1 to 5, and in a first select flames to 4 then in the second combobox will be the 5, if in the second selection you select item 2 with your answer you would get items 2,3,4,5 and Apr 12, 2006 · Hi, I'm trying to avoid insert duplicates in a combox; insert item is called many times. The code below; @void MainWindow::on_proComboBox_ Oct 22, 2024 · User interaction is a crucial aspect of any GUI application. May 27, 2025 · Interaction with Item Data If you've associated custom data with the items in your QComboBox using setItemData (), calling clear () will remove both the displayed text and all associated data. By default we use setGeometry method and setSize method to adjust the size but it will not automatically adjust the size according to the item size. Apr 22, 2019 · How to remove duplicates from combobox in pyqt4 . I think the best solution would be this one: @ combobox. I met a problem when I developed an interface using PyQt5 on mac. 9k次，点赞3次，收藏10次。该文章展示了如何在PyQt5环境中操作QComboBox组件，包括批量和单个添加选项，清除所有选项，获取选项数量，读取选定项，修改选项文本，删除指定选项以及响应当前选择改变的事件处理。 Good morning all, I want to delete to zero my 'combobox' for a next entry. My understanding is the whole thing is the QComboBox widget, and the drop down part is a QLis Sep 17, 2024 · PyQt is a set of Python bindings for the Qt application framework. currentIndex(). e role of item Action performed : It will assign Apr 2, 2020 · In this article we will see how we can set maximum visible items of the combo box. Feb 9, 2011 · hi, I am trying to fill a combobox without duplicates. All items in QCombobox 's are common. How it works: You tell removeItem () which item to remove by providing its index. Apr 4, 2025 · Discover the basic widgets in PyQt6 like QLabel, QPushButton, QLineEdit, and more. Each of these boxes should have their items changed based on the value selected in every other box. I in Aug 1, 2015 · How can i delete all Items when the dialog is deleted?? In my case the Dialog's destructor deletes the QVBoxLayout. Aug 23, 2021 · In the below code the issue seems to be self. RowSource = "" will delete all items from the combobox for that seesion of the form. Signal Handling: Connect a signal (like textChanged from a QLineEdit or QComboBox itself) to a filtering method. The difference to other questions is that I do not want to style "selected" item (hovered over), but to style the already Feb 14, 2023 · I have many QCombobox 's, I am adding items to all combobox 's in constructor. For information about other widget customizations, see the pages on QPushButton Apr 2, 2020 · In this article we will see how we can set the background color to the combo box. That's the whole reason of why I want to remove it from other boxes. May 20, 2016 · When clicking on the combo box, In Qt4. Whether you’re building a data-entry form, a settings panel, or a selection interface, there are often scenarios where you need to retrieve all items stored in a QComboBox —for example, to In Qt, I can get the selected text of a QComboBox by using the combobox->currentText() method. A combobox is a selection widget that shows the current item, and pops up a list of selectable items when clicked. These widgets provide structured display mechanisms for hierarchical or list-based data with various customization options. In order to allow duplicates insertion we will use setDuplicatesEnabled method. In Qt5. When you click on the button, the clearItems method gets called, which in turn calls the clear () method on the QComboBox, effectively removing all its items. May 27, 2025 · Certainly! In Qt programming, specifically within the context of the QTableWidget class, the function void QTableWidget::clear () is a method used to remove all items (content) from the table widget May 4, 2020 · In this article we will see how we can set background color to the view part of the combo box. In order to hide the combo box when item get selected we have to do the following - 1. Apr 14, 2024 · Save the UI file and integrate it into your PyQt project using pyuic or load it dynamically in your code. As you can see from the image bellow the text is not easy t Apr 1, 2014 · To keep the GUI widgets number to minimum I need to find a way to give to user a choice of pull-down menu items that could be used to filter out the displayed in a listWidget items. When the user clicks on it, the full list unfolds, allowing them to choose a different item. GetByName("frmForms"). This will also remove all selections. The difference to other questions is that I do not want to style "selected" item (hovered with mouse) . By default there is no separator. Its main job is to set up the initial state of that dropdown menu. Code: Nov 18, 2020 · Related code examples qcombobox remove all items python token remove all items in a list pyqt5 how to remove pixmap graphs in pyqt5 combine all items in a list python Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges, Apr 2, 2020 · In this article we will see how we can check if duplicates insertions in the combo box are allowed or not. clear () . The combo items will appear again and I cannot remove them unless I click the same combo box again. funcCB. 8, they all show up at once in one vertical list. Forms. Add Learn how to create and use comboboxes with pyqt5 and python. ActiveSheet oCmbxSearch = oSheet. removeItem() expects an integer denoting the index of the item to remove. But when the combobox is closed the item shows no color (just regular color). Add Apr 14, 2014 · I want to get all QStrings from a QComboBox, but do not know how to manage the model stuff. But don't works; every times isertItem () is called, it adds the same item in the comboBox. It does not expect the text of the item to remove. How do I do that? I can't find any removeWidget, removeChild, removeItem, or anything similar in the docs. not selectable, no highlights when mouse hovering above, and the texts are greyed out) in the QComboBox when certain conditions are met. e from view box. Function description: “Clears the combobox, removing all items. Some key advantages over other widgets: More compact than radio groups or lists Allows scanning all choices Clearly displays selection via text box This makes QComboBox perfect for long lists that would overwhelm other widgets. This function does nothing if index is out of range. Passing that to removeItem() should make your code work. If you don't know the index, use the findText() method. count () Argument : It takes no argument Return : It will May 5, 2019 · 在Qt里，在QTableView中嵌入QComboBox真的很方便，只要实现一个QItemDelegate就可以了；QComboBox要想实现自定义下拉框也很方便，只要调用setView即可。 PyQt示例代码如下： Jul 3, 2023 · I have a QComboBox with 5 items in the GUI called : widget class="QComboBox" name="emulatorListComboBox" How do I change list box items the same way after loading the GUI into Python? The QComboBox is an indispensable widget for creating professional PyQt applications. Aug 24, 2023 · In this article we show how to work with QComboBox widget. I want to display selected item/s from each combobox in the n May 27, 2025 · Imagine your QComboBox as a nicely presented menu. How to get the data stored in Combo's Item from inside of currentIndexChanged() method which gets the clicked ComboBox item's index as an argument: Apr 2, 2020 · In this article we will see how we can hide the items of the combo box from the drop down box i. I can only see how to remove things from a layout, but that, apparently, doesn't remove it from the actual widget. We know we can add items with the help of addItems method, in order to find the item with the help of findText method. I consider Hi all, I have the following problem which I do not seem to get solved:My aim is that I want to have a single QFrame in which QWidgets are replaced when I select a different QComboBox entry (Frame2 or Frame3. findText (text) Argument : It takes string as argument. The table dimensions stay the same. By default the combo box has no items in order to add items to the combo box we use addItem method. e. The text of the current item is returned by PySide. A combobox is a selection widget that displays the current item, and can pop up a list of selectable items. The background is that I am using the QComboBox to indicate qt pyqt qcombobox May 5, 2019 · PyQt5 has a huge library of widgets, including buttons, checkboxes, list boxes, and sliders or dials. So I have two comboboxes, and one populates the other depending on the item selected. In order to know if duplicate values are Oct 7, 2025 · 文章浏览阅读5. Clicking it opens… Dropdown list to select another option. A QComboBox provides a means of presenting a list of options to the user in a way that takes up the minimum amount of screen space. The code is: @QComboBox *kliniki = new QComboB May 27, 2025 · This will remove all current items from the QComboBox. Learn how to implement, customize, and manage drop-down selection lists effectively for a seamless user experience. I am trying to tweak the ui of a QComboBox in a way that the user can remove items from the drop down list (without first selecting them). Unexpected Behavior If you call addItems () on a QComboBox that already has items, the new items will simply be appended to the end of the existing list. Aug 9, 2021 · Hello everybody sorry for my english (translated by google) I need to delete the items of a combobox, but I can’t do it. In order to delete all the items in the combo box we will use clear method. Dec 14, 2017 · 53 I have a QGroupBox widget with children in it that I want to remove. QtGui import QIcon class MainWindow(QWidget): def __init__(self, *args, **kwargs): May 20, 2013 · I am trying to disable certain items in a QComboBox when a user selects a certain item from another QComboBox is there an easy way of doing this? May 10, 2020 · In this article we will see how we can change the border style of the combo box, border style can be dotted, dashed etc. I want the user to be able to select one or more items to search other tables in the database. [Found solution by Jude Walters] Action performed : It will delete all the items of combo box,Python PyQt5-ComboBox,Syntax : combo_box. currentText () Argument : It takes no argument Return : It return string Steps for implementation - 1. Comboboxes can contain pixmaps as well as strings; the insertItem() and Dec 27, 2023 · Here is an anatomy lesson: Text field shows the current item. When we set border to the combo box it is continuous although we can change it. clear (),Check if element exists in list May 27, 2025 · Think of a QComboBox like a physical dropdown menu you might see on a website or in a desktop application. Aug 2, 2022 · how do I add some style for the selected element (in this case for 1)? For example, how to paint the background of the selected element in red? Here is the code from PyQt5 import QtWidgets from PyQt5. By default no duplicate insertion is allowed although programmatically inserting duplicate items into the combo box is possible but user can't insert duplicate values. Performance with Very Large Lists Oct 28, 2024 · Trying to delete QComboBox items while hovering over them and pressing the "delete" key. Below is the representation of normal combo box and colorful combo box. 6, two items show and the third is hidden by the "down" arrow. By default at max 10 items are visible at a time in combo box drop down list although we can change this number. I can't find a way to change the font color of the items in the dropdown. It allows developers to create powerful cross-platform graphical user interfaces (GUIs) for their Python applications. Solved Qt for Python 5 Posts 2 Posters 383 Views 1 Watching I want to style the highlighting of chosen item in drop-down of combobox. The user needs to mouse-scroll down or click the down arrow to show the third item. count () Argument : It takes no argument Return : It will Feb 20, 2021 · +加关注 0 0 « 上一篇： Qt 获取QGraphicsScene的缩略图即导出到图片 » 下一篇： Qt QComboBox显示指定的Item posted on 2021-02-20 12:04 一杯清酒邀明月 阅读 (4561) 评论 (0) 收藏 举报 刷新页面 返回顶部 登录后才能查看或发表评论，立即 登录 或者 逛逛 博客园首页 May 27, 2025 · Ah, a QComboBox! Think of it as a dropdown list or a selection box in your Qt applications. io/qt-5/qcombobox. Most likely, as you delete the list items, the indexing of items (crashing is QTreeWidget::at ()) becomes invalid. Add action to the push button 5. Apr 28, 2025 · In this article we will see how we can find the item index with the help of text in it. I want the box2 being changed when the box1 is changing. otj otrsdh mrgn kjgf oorag hkqfcjj zfrnxnb gzhop rwrjw odej icgb hfszj dfc qrff ovarct