Pyqt5 qcombobox set selected item. I am having problems with using the selected option.

Pyqt5 qcombobox set selected item This pyqt5 combobox tutorial will show you the ins and outs of comboboxes with real world examples. Create label to show content 6. QtWidgets. Feb 9, 2021 · Is it possible to set QComboBox to an item knowing only an item's text value? I am trying to avoid looping through for i in range (myCombobox. QtWidgets import ( QComboBox, QAbstractItemView Mar 8, 2013 · The solution I found (which follows) is to set a QItemDelegate on the QComboBox and overload the paint method. Clicking it opens… Dropdown list to select another option. do_something) Argument : It takes method name which should get Feb 10, 2020 · 8 I'm making the gui for my QGIS3 plugin using PyQT5 and QT designer. com Display Features ¶ A QComboBox is a compact way to present a list of options to the user. It's a widget that presents the user with a list of options, but only displays the currently selected option. QLineEdit Apr 2, 2020 · QComboBox is a widget in PyQt5 which is used to choose from a list. Aug 24, 2023 · In this article we show how to work with QComboBox widget. My each QCombobox has multiple values with checkboxes. By default when we create a combo box it shows the first item to be selected but we can change it, in order to do this we will use setCurrentText method. It takes minimum screen space on the form required to display only the currently selected item. count ()) just to find an item's index so it could be use Display Features A QComboBox is a compact way to present a list of options to the user. One of the essential widgets provided by PyQt is QComboBox. connect method. Checked. currentIndex () Argument : It takes no argument Return : It return integer i. QComboBox The QComboBox is a drop-down list, closed by default with an arrow to open it. But the items are not filte Jan 6, 2017 · This is essentially based on the answer by @eiilpux20, however it took me some hours to get to a working minimal example for PyQt5, so I'll post it here. currentText () Argument : It takes no argument Return : It return string Steps for implementation - 1. Qt models provide some predefined roles which are data fields specific to each index, and among those roles there is the BackgroundRole. By default when we create a combo box it shows the first item to be selected but we can change the index, in order to do this we will use setCurrentIndex method. Sometimes its called a listbox, as it shows a list of items a user can select from. Example: EDIT And I would like one more thing: When I choose "two" I would like that the choosen background item will be in the same color ( red ). Mar 24, 2018 · I'm on python 2. connect (self. We would like to show you a description here but the site won’t allow us. Jan 28, 2011 · I need a QCombox which Items are filtered based on the text input. QComboBox is a versatile GUI data selection element that provides a dropdown menu with a list of 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. QComboBox - set selected item based on the item's data Asked 14 years, 11 months ago Modified 6 years, 11 months ago Viewed 143k times In Qt, I can get the selected text of a QComboBox by using the combobox->currentText() method. Oct 17, 2013 · The alternative way to find the combo box item is setting the specific role as the second argument for QComboBox::findData() function. Dec 13, 2012 · connect(ui->ComboBox,SIGNAL(currentIndexChanged()),this,SLOT(switchcall())); in qt, combobox items i have none,server,client. e content of current item selected in the combo box, in order to do this we will use the currentText method. I have been trying to get a QComboBox in PyQt5 to become populated from a database table. Comboboxes can contain pixmaps as well as strings if the insertItem() and setItemText() functions are suitably overloaded. Connect to the activated signal to trigger an action when the selected item of a combobox changes. I am having problems with using the selected option. In order to do this we will use the currentIndex method. How could I do this in PyQt5? Apr 2, 2020 · In this article we will see how we can change the size and font of all the items present in the list. It's a special function that gets called automatically when you create a new QComboBox object. 7 using pyqt 4. Comboboxes can contain pixmaps as well as strings if the insertItem () and setItemText () functions are suitably overloaded. May 7, 2015 · I want to style the highlightation of choosed (not selected! see below) item in drop-down of combobox. In my GUI, my combo-box is ini Mar 14, 2023 · What is PyQt5 QComboBox ? PyQt5 QComboBox is a widget in PyQt5 library that allows users to select from list of predefined options. """ import sys from PyQt5. setCurrentIndex (index) Argument : It takes integer as argument Action performed : It will set item of given index Below is the Apr 2, 2020 · In this article we will see how we can select the item with the help of its content. Related Course: Create GUI Apps with Python PyQt5 QComboBox Create a listbox You can create a list box with these lines: Sep 11, 2018 · In my program some comboboxes (QComboBox) were used to make several settings. May 27, 2025 · Ah, a QComboBox! Think of it as a dropdown list or a selection box in your Qt applications. The second combo box contains option a,b,c,d,e if I select option B in 1st combo box. In this example the choosen item text is "one" ( I think about that "one" above beacuse there are 2 x Apr 2, 2020 · In this article we will see how we can set the background color to the combo box. The difference to other questions is that I do not want to style "selected" item (hovered with mouse) . If you don't want to explicitly set the user data, you can refer to the items texts with Qt::DisplayRole flag, i. 6, I am using a qcombobox to provide a list of options. By default combo box is of grey color although we can change its color. Typically you’d see this widget when a user needs to choose from a select number of items, like country or contract. For editable comboboxes you can set auto-completion using setCompleter () and whether or not the user can add duplicates is set with setDuplicatesEnabled (). Action is basically a method called by the combo box when it gets changes these changes can be new item get inserted by user or any item get selected by the user. 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. BUT I am interested in styling the already choosed item. In order to do this we will use activated. How to use a QComboBox in Python PyQt A combobox can be created with the QComboBox class. I want to display selected item/s from each combobox in the n May 5, 2019 · This means you can test state using state == Qt. A Combo box can be set to be editable; it can also store pixmap objects. However, I am not sure how to go about doing it. itemData () lets you store and retrieve hidden information associated with each item in a QComboBox. Inside the action get the content of specific index in combo box with the help of itemIndex method and store it in variable 7. in this function i want to perform task depending upon choice in combobox. Ideally we would just modify the QStyleOptionViewItem's palette and call the default implementation, however as this palette is often ignored in favour of the native OS palette we have to manually draw the background in the colour of Apr 28, 2025 · In this article we will see how we can find the total number of items present in the combo box. Apr 2, 2020 · In this article we will see how we can add item to the combo box. QComboBox uses the model/view framework for its popup list and to store its items. So I have two comboboxes, and one populates the other depending on the item selected. Add action to the Aug 24, 2023 · In this article we show how to work with QComboBox widget. May 27, 2025 · Ah, the QComboBox::event () function in Qt! It's a fundamental piece of how your combo box interacts with the world around it. If you want a user to choose from a set of items, the listbox is the best option. Define a slot function called "update_label ()" that updates the label text with the currently selected item from the Apr 2, 2020 · In this article we will see how we can change the content of item at the specific index in combo box. Create push button 4. A combobox is a selection widget that displays the current item. The difference to other questions is that I do not want to style "selected" item (hovered over), but to style the already Jul 9, 2020 · Hello, I would like something like that: When I add next item to QComboBox, I would like to set its background color ( don't change that later ). addItem (item) Argument : It takes string as argument Action performed : It will add the item to the drop down list of combo box Below is the I want to style the highlighting of chosen item in drop-down of combobox. In the previous revision of this answer, there was a solution that used custom QComboBox, which used a custom item delegate based on QStyledItemDelegate that overrides paint May 4, 2020 · Now the example above will change the current item into "new added item2". Create a combo box 2. Sep 20, 2007 · Re: combobox and item colors I have prove this but dont works like i want. Apr 18, 2025 · Learn how to use the QComboBox widget in PyQt6 to create dropdown menus in your GUI applications. Editing Features A combobox may be editable, allowing the user to Apr 28, 2025 · In this article we will see how we can get the current index of the selected item the combo box. Oct 19, 2010 · I want to pre-select an item in each QCombobox based on the user's last interaction with the gui. You set this data when you add items to the combo box. QtGui import ( QPalette, QFontMetrics, QBrush, QColor, QPixmap, QGradient, QIcon ) from PyQt5. when i select one of this it should call switchcall function. Is there a way to retain the current text to "initial item" while adding new items? python python-3. Sometimes its necessary not only to know the item the user selected but also the item which was selected previously in Mar 11, 2020 · I have QTableWidget in which I have QComboBox in each row for particular column. Jan 17, 2025 · """ Check Combo Box --------------- A QComboBox subclass designed for multiple item selection. Note that we use the currentText() method to get the text of the currently selected item. Its main job is to set up the initial state of that dropdown menu. Nov 11, 2019 · Hi, I would like to change the background color of the selected item in my QCombobox's drop down list. comboBox. 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. Nov 8, 2019 · I need some help adding some items to a QComboBox. Role is basically additional data provided with the item, in order get the role of selected item we use currentData method. Although I could just have a list of items that correspond to the items Using pyqt4 and python 2. Sep 17, 2024 · PyQt is a set of Python bindings for the Qt application framework. The second combo box contains option 1,2,3,4,5 if I select option A in 1st combo box. . Let's say the Dec 12, 2020 · like we can set the index of combo box using a int value comboboxAlignment->setCurrentIndex (0) can i do it by passing the string value for example if is pass "Right" than the item in the combo box having "Right" as text should become current item. 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 2, 2020 · In this article we will see how we can add action to the combo box. Items are added using the class method addItem, followed by a string parameter. Dec 7, 2011 · Is it possible to set selected item style (Qt style sheet) of the QComboBox drop-down list? 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. I have been able to use a signal to trigger a method when the o May 4, 2021 · 4 QComboBox uses an internal QStandardItemModel (unless another model is explicitly set) which allows setting some properties for each item ("index") of the model. Add items to combo box 3. The default is some sort of ticker which is painted over text. The problem is trying to find a method that recognizes a click event on it. 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. how to do it?? Apr 25, 2025 · Import the necessary modules from PyQt5. QComboBox widget is a combination of QLineEdit widget and QListView widget. 10, I've created a QcomboBox for items in item_all: self. Create a PyQt application and a main window. In order to do so we will use setFont method which takes QFont object as argument, using it with the check box object will change the font of all the items present in the list. 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 2, 2020 · In this article we will see how we can select the item at the specific index. Apr 28, 2025 · In this article we will see how we can get the text i. x pyqt pyqt5 asked May 4, 2020 at 9:38 Klien Menard 1231310 I did not observe that problem, could provide a minimal reproducible example in addition to pointing out the characteristics of your environment: OS, python and . it provides drop down list of items that can be selected by the user, and it is commonly used in graphical user interfaces (GUIs) to enable users to choose from set of options. activated. It allows developers to create powerful cross-platform graphical user interfaces (GUIs) for their Python applications. Add action to the push button 5. Below is the representation of normal combo box and colorful combo box. If I set the QCombobox editable, the user can insert text and the QCompleter is automatically created. The combo box is suited for the selection of a choice from a long list of options. Think of it as the central message handler for your QComboBox widget. Users scroll and click to choose. Syntax : combo_box. My question is that, using additem for new items, it works, Jul 13, 2020 · @ TomNow99 said in How to set QComboBox text color using setStyleSheet?: I don't want change items colors but only header color. Visit Advanced PyQt5 e-book, read PyQt6 tutorial, or list all PyQt tutorials. Use addItem() or insertItem() to add an item to the list of the combobox. Summary Use PyQt QComboBox to create a combobox. QtCore import Qt, QEvent, QRect, QTimer from PyQt5. count () Argument : It takes no argument Return : It will Aug 22, 2017 · 3 For example, the first combo box with option A and option B. When the user clicks on it, the full list unfolds, allowing them to choose a different item. : See full list on pythonguis. By default a QStandardItemModel stores the items and a QListView subclass displays the popuplist. How does your proposed ui->comboBox->setStyleSheet("QListView::item:selected {background:red}"); address that? 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 May 27, 2025 · The data can be of various types, often wrapped in QVariant for flexibility. setCurrentText (item) Argument : It takes string as argument Note : item should belong to the combo box item list Action performed : It Dec 27, 2023 · Here is an anatomy lesson: Text field shows the current item. Create a "QComboBox" widget called combo_box and add three items to it. Learn how to create and use comboboxes with pyqt5 and python. 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 space when we click on combo box, a drop down list came from which we can select the item. Create A QComboBox object presents a dropdown list of items to select from. Pleas May 27, 2025 · Now, QComboBox::QComboBox () is what we call a constructor. In order to do this we will use setItemText method. I love For editable comboboxes you can set auto-completion using setCompleter() and whether or not the user can add duplicates is set with setDuplicatesEnabled() . To use this widget, import QComboBox from PyQt5. 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. You retrieve the data by providing the index of the item. Create a "QLabel" widget called label to display the selected item. 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 item Steps for implementation - 1. e. Apr 28, 2025 · In this article we will see how we can get the role of selected item in the combo box. In order to get the count of all the items in the combo box we will use count method. e index of selected item Steps for implementation - 1. Add items, handle user selection, and customize behavior easily Oct 2, 2015 · PYQT Qcombobox set value selected to a variable Asked 10 years, 1 month ago Modified 5 years, 6 months ago Viewed 8k times A QComboBox object presents a dropdown list of items to select from. But my combo is for choose colors, and when i select one item the highlight don't permits that i can see the real color. Combo box will then allow us to choose from the added items. I have a unique function per QCombobox that is responsible for populating and pre-selecting just that QCombobox. addItem(items) the item_all list is working perfectly but I need it to start with the default PyQt combobox You can have a listbox, selectbox or combobox with QComboBox. By default the combo box has no items in order to add items to the combo box we use addItem method. 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. The following methods are commonly used − Given below are the most commonly used methods of QComboBox. I know that QComboBox allows only single selection, so I thought that I can use QListWidget. The combo box popup allows the user to check/uncheck multiple items at once. Unlike the OP, I needed right alignment of text in QComboBox. As you know, in a combobox, when you select an item, the list of the combo close and you can see the highlight selected item only. You can select a single item from the list, with the currently selected item being shown as a label on the widget. A combobox is a selection widget that shows the current item, and pops up a list of selectable items when clicked. Add Apr 28, 2025 · Return : It return string i. dtxaxm xubb stnfmto mqxrt jmqclo nvsvph gdv njyr lzmaku wdt hqgua nyc yozfk eezrxz zzejti