Qt scrollbar Simply calling scroll_bar->width(); for freshly created vertical bar returns 101, which is obviuosly wrong. I would I have tried using a Scroll area, added a layout to which I added the buttons, but when I use "Form, Preview in, Windows Style" and then resize the resulting Window, no Scrollbars appear and not all buttons are visible. 0. Hi sNiff3ls. This example demonstrates how to use a QScrollBar to scroll a QTextEdit widget. The key thing to realize up front is that ListView "is a" Flickable I now understand that setPosition is simply the public slot in ScrollBar's C++ implementation class that is associated with the WRITE operation on the position property. I'm using PythonQt, so I can't make my own widgets. I've tried figuring out how to move the scrollbar back to the left so that the entirety of it can be seen on-screen, but I've not been able to find out how to do this yet, as I'm still fairly new to Qt. This is typically done by animating the opacity of the scroll bar. put QWidget to scroll area; right click on widget -> Set ancestor -> [your scroll area] add vertical layout to a widget; scroll area will collapse, epand it with a mouse; insert into the widget as many tables as you want; set vertical size policy for each table to Minimum and set minimal vertical size. Viewed 15k times 8 . After changing reset previous values using setValue(int). how to style the QScrollBar when the content is not scrolling? 0. It means that when I set the value, it will never go above this (incorrect) maximum. If adding only those 2 lines you've shown 'fixes' the problem, then personally, I would call it 'solved' and it seems like a good solution to me, but then I am still learning about QT/QML, albeit most of my experience is through using SailfishOS which is largely QML based, mixed with One crazy workaround you can use is to set a stylesheet to your scroll bar. asked Mar 6, 2013 at 10:16. scrollbar in QScrollArea still have standard style. Share. So why shouldn't one use it for QScrollBar. 3, but unfortunately, I know that is impossible to have them in the screen at the same moment, so I would like to have Scroll Bar. Z Offline. QML scroll ListView by one row. If it is the ScrollBar you might try the property: stepSize - set it to something smaller than 0. 21. Hot Network Questions What does the word "well" mean in the last line of Shakespeare's Sonnet 73? Is it (always) better to build a model prior to viewing the data? When i place the buttons inside the scrollArea, and i apply a layout, it creates a scrollbar for less than a second, but then disappears! therefore, i can't access anything that is not shown because i can't scroll. ScrollBar to always show the bottom of a QTextBrowser streamed text. Qt Development; General and Desktop; QScrollBar remove arrow; QtWS: Super Early Bird Tickets Available! I have QTableWidget and i need remove top and bottom arrow in scrollbar . QScrollBar When I run my code by default it is coming like this. You can control the appearance of the scroll bars using the inherited functionality from QAbstractScrollArea. laurapons laurapons. Hi I just placed a treeview on a form, right Yes you are heading in right direction. But it seems that my problem is caused by my new 4K monitor. So, if you only specify the background colour for your scrollbar, you'll get the default style for the handle. You can control the appearance of the scroll bars using the inherited functionality from QAbstractScrollArea. I want that at the moment when I'm scrolling the ListView elements to also move the bar from ScrollBar. You should use signal valueChanged(int) to be aware about every changes, event if not caused by slider moving from user. Like in my code. A solution for your problem might be setting the location of the vertical scrollbar to a constant_offset value acquired from the QHeaderView (on the y axis). I have created a custom QProxyStyle "ScrollBarStyle" and im setting it on the vertical scrollbar of a QScrollArea but the functions drawControl / drawComplex Qt displays scroll bars in a way that is appropriate for each platform. Unlike other components (e. class Transient scroll bars are hidden shortly after the last interaction event (hover or press). 2k 3 3 gold badges 50 50 silver badges 59 59 bronze badges. In the existing codebase, there's a custom ScrollView which is used in many places to decorate a ListView. for example, This is a one my project in C#. @Absurd said in QScrollBar doesn't emit 'sliderMove(int)' signal when scrolling with mouse-wheel:. 6,033 19 19 gold badges 64 64 silver badges 105 105 bronze badges. Viewed 675 times 0 . Vahid Kharazi Vahid Kharazi. e. How to get accurate width without horizontal scrollbar? 14. setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn); setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn); I want the scroll bars to be visible even when they aren't necessary. Qt set scroll area of a QPlainTextEdit to match that of anothers. Scroll bars with QScrollArea. That said, I'm not sure you have fully considered the implications of a combobox with 1 million items from a user interface point of view. I use a standard QGraphicsView + QGraphicsScene + QGraphicsItem setup. # include <QApplication> # include <QTextEdit> # include <QVBoxLayout> # include Attaching ScrollBar to a Flickable. 15. Ask Question Asked 7 years, 3 months ago. This worked fine in the context I first used it but then I tried to replace the scroll bars with it in an existing ScrollView-based component (wrapping a TextArea). You can see below that the height of the table is not correct because the height of the scollbar is missing. Signal for scrollbar value changed in qtextedit. It sounds like style sheets can be used in 4. If you want to scroll content programmatic, use QAbstractScrollArea::scrollContentsBy ( int dx, int dy ) – Mason Zhang. rightMargin: 10 * AppTheme. Sergio Monteleone Sergio Monteleone. Apparenly you should call scrollbar's setValue() instead of scrollContentsBy(). Qt displays scroll bars in a way that is appropriate for each platform. Modified 12 years, 10 months ago. In which by default horizontal scroll bar is coming. AlwaysOff, depending on the size of the content compared to Qt displays scroll bars in a way that is appropriate for each platform. Documentation contributions included herein are the copyrights of their respective owners. And Fusion has low contrast on the scrollbar, and only a base ("PaletteButton") color for the scrollbar. AlwaysOff, depending on the size of the content compared to To keep widget size determined, I have to find a width of the scrollbar, as texedits geometry depends on it. i. 15中的详细解析 一、引言. I found the problem myself: Another global widget's properties were interfering with ©2024 The Qt Company Ltd. The sliderChanged() signal of the scroll bar is connected to a slot that adjusts the QTextEdit's viewport to match the scroll bar's position. asked May 26, 2012 at 5:35. This value always lies within the range of values defined for the scroll bar, from minimum() to maximum() inclusive. by subclassing tree widget perhaps) from viewport and feed it I'm still learning Qt (2 days in), so in-depth answers to where I'm going wrong would be appreciated. At the time you were saying the condition was not being entered. Adding scrollbars to QML hi I am new to Qt and have average knowledge about Qt and its widget . Found this accepted answer on stackoverflow: https: However, I also tried this on QTreeWidget, Qt Designer shows However, the scrollbar does not seem to respond to touch drag or press events. If all you have inside the scroll area is one widget with no children, then you don't need additional layout. How is it QHeaderView::Stretch will stretch the column width to the available space. QML ScrollView does not scroll. I want to catch the value when scroll bar stop after it move. width width: When you click on QScrollBar's "page control area" ('c' on the image), it will scroll one page. Follow answered Jan 16, 2014 at 9:36. I'm porting code from X/Motif so I am new to Qt. Hi all, I have a huge QComboBox (more than 2000 items) and Qt display it with tiny arrows on top and bottom like this: But the scrolling is too slow, I need the classic vertical scrollbar like this (picked from this post:. I have arranged the "subwidgets" into a verticalLayout in order to put one under the other, but since the number of the inserted widget is not fixed I need to have a scrollbar. I just "played" with it to see what kind of effects it had. See also You can create your own ScrollBar class based on the QScrollBar and re-implement the virtual void paintEvent ( QPaintEvent * ) method. (Obviously because I set column width). QScrollArea scrollArea; I'm trying to replicate an indicator like the one found in GoogleFotos. Am I missing something in ListView? The parent of ListView is an Image. Update: However this adds an issue that the layout's items are shrunk vertically instead of causing the scrollarea to add a scrollbar. Scrolling QGraphicsView and QGraphicsScene. But i do not know how!!! Please help me! I would like to programmatically scroll a scene to the left / right, but I am not sure how to do that properly. Recently, I've been doing some work on a personal project. AlwaysOn or Scroll bars are usually equipped with other controls that enable more accurate navigation. ch Please read the Qt Code of Conduct - https://forum. the QscrollArea can only take on widget but in my frame I need many wigets I tried to write a code for the bars after adding a horizantal and vert I'm working on porting a project from Qt Quick Controls 1 to Qt Quick Controls 2. Bonnie. setStyleSheet(my_stylesheet) Qt Vertical Scroll bar stylesheets. How to remove QScrollbar scroll buttons? Hot Network Questions How can one typeset an upright hash symbol? The I have a simple ListView program and therein trying to attach scrollbar. vertical: ScrollBar {}. 5. I'm having a QTableWidget with more than 5000 datas. That was an artifact from a previous trial. Why all developers should adopt a safety-critical mindset. According to debug statements, the y position of the flickable's content is changing when scroll bars are dragged, but as far as the user can see, neither the content, nor the scroll thumbs are moving. 2,886 11 11 Getting rid of unnecessary scrollbar in QScrollArea. Vahid Kharazi. If you need to provide a scrolling view onto another widget, it may be more convenient to use the Here's a widget that can go into a scroll area (scrollarea->setWidget) and work correctly. I need to hide arrows of scroll bar not whole it. is a widget where you are going to add your buttons. Solved it with: myWindow->setStyle(new QPlastiqueStyle()) Since we're using CSS to customize the entire look of the app (just like you), making your app use QPlastiqueStyle doesn't affect anything other than the scrollbar stippling (and a few other minor details). JAY JAY. yes i got that. 0 on Linux. How can I achieve this? Scroll bars are usually equipped with other controls that enable more accurate navigation. No child widget means, you don't need/ get any scroll bars. My preference is to be able to flick or drag the scrollbar handle at will (no mouse). I want to add scroll bars to the frame container. For example,set the scrollbar's handler an absolute height no matter if the scrollbar has been maximumed or minimumed . Suppose that what you want has already been implemented, suppose also that each QListWidget has 1000 I try to style a QScrollBar via a custom QStyle but if i draw nothing in drawComplexControl for the QScrollBar, the required space for the scrollbar on the parent widget is painted black. This is just the regular button with an If you need a scroll bar when needed, use the policy: Qt::ScrollBarAsNeeded. I have tried attaching a horizontal scrollbar to ListView, I am testing all this with Qt 5. Seems, I am not able to set I'd like to make a background of a scrollbar of QListView transparent. Some info: Here is a screenshot of the default scrollbar on qt: And this is the one with qml ScollView component. Not that fast It is not so clear as it looks like. The Overflow Blog How the internet changed in 2024. Follow answered Apr 18, 2018 at 8:16. Now i need to increase the width of vertical scrollbar associated with the QTableWidget. How are you creating your QScrollArea ? What version of Qt are you using ? On what platform ? Interested in AI ? www. I have created my own widget that I'm going to put into another widget from code. Q Offline. The answer you cite stems from misunderstanding this. So, is there a way to determine vertical scroll bar width correctly in You do not want to set the layout on the scroll area itself. Scrolling in QGraphicsView. Thanks for the answer! the groove doesn't belong there anyway, and was deleted. I changed it to Qt::ScrollBarAlwaysOn but it's not scrollable :(1 Reply Last reply . Is it possible? Either way you reimplement your custom scrollarea or you subclass QScrollArea, set the scrollbar policy of both scrollbars to "AlwaysOff" and add your custom scrollbars as a child to the viewport. AaronD AaronD. If you need to provide a scrolling view onto another widget, it may be more I have a infoWindow which is a QWidget, and I can open it by clicking info in the QMainWindow or by the key combination Ctrl+Alt+I. If you apply one element of style, then a (simple) default style is drawn explicitly, and your style is applied to that. In general you could have different number of rows loaded after update. Qt: Applying stylesheet on QScrollArea making horizontal I have a QT application and need to custom my ListView ScrollBar, to have a Windows Look&Fell scroll, including top and bottom buttons ScrollBar::minimumSize has been added in Qt Quick Controls 2. I want to increase width of this scroll area when this happens, in order to not overlap its contents with appeared scrollbar. yes, the scrollbar policy is set to Qt::ScrollBarAsNeeded. 1,093 16 Change qt scrollbar style to match default qml scrollbar. ScrollView with a table automatically goes to bottom. With Quick Controls 1, this offered the ability to have custom styling for scroll bars everywhere the custom ScrollView was used via the ScrollViewStyle. Ask Question Asked 14 years, 5 months ago. 1 Reply Last reply . infoWindow contains vertical layouts holding the videos' metadata, and all the layouts are inside a QScrollArea. If you need to provide a scrolling view onto another widget, it may be more convenient to use the QScrollArea class QScrollBar is a class in the Qt framework that provides a vertical or horizontal scroll bar widget. scrolled to the bottom? 1. vertical: ScrollBar { policy: "AlwaysOn" parent: scroll_view x: text_input. A QScrollArea is used as a relatively high container class. qt; scrollbar; qtextedit; or ask your own question. AaronD. See properties, methods, examples, and attached properties for Flickable. How to programatically scroll a ScrollView to the bottom? 1. But nothing. As for a 'better solution', that is highly subjective, if it works, it works. Hi, I was wondering if anyone had suggestions for how to increase the width of a vertical scrollbar on a QScrollArea. scaleValue contentItem: Rectangle { color: "red" } } boundsBehavior : Flickable. The standard Qt way of doing this is with a QAbstractItemModel to populate the portion of the view that is visible. I'm trying to create a Scrollbar for a rectangle that holds automatically generated rectangles , i want the scrollbar to stop when i scroll down if there are no more rectangles to view, same thing for scroll up, i have serached the internet and found most examples talks about listview whereas i'm not using that , i have tried using the Flickable component but it didn't I've tried to customize ScrollBar using contentItem but the ScrollBar doesn't display in this case. wrote on last edited by #2. Hot Network Questions Are ought-statements simply is-statements in disguise? Why is Chopin's Nocturne Op 37 No 1 in the key of G minor although it ends with a natural B? Is QScrollBar在Qt 5. andre. Rather than attempting to replace it with a new ScrollBar, you should merely customize the one that's already there. How to automatically keep a QTextEdit, QAbstractItemView, QAbstractScrollArea etc. @SGaist No, I think it isn't. Voting experiment to encourage people who rarely vote to upvote I'm putting them into a scrollbar so that they don't get squished when the container layout gets too short; but the only two options I seem to have are: 1: QScrollArea does not resize the view, so that when the window gets . Follow edited Mar 6, 2013 at 10:54. I've Each scroll bar has a value that indicates how far the slider is from the start of the scroll bar; this is obtained with value() and set with setValue(). 11). When ScrollBar is attached vertically or horizontally to a Flickable, its geometry and the following properties are automatically set and updated as appropriate: (Qt 5. @DeadSo0ul said in How does the qt scroll area work: As far as I know the scroll area itself can not be scrolled but Is there a way to scroll a widget inside the scroll area? Where is the difference?! "scroll a widget inside the scroll area" - @Andrii I often put a ListView inside a ScrollView to gain more control on the scrolling and to make the mouse-wheel work (making an app that can run on desktop & android). The problem is, even though the data exceeds the window's max height, which I want to be a static 640x480, there is no Flickable { ScrollBar { id: scrollBar; orientation: Qt. The range of acceptable values can be set with setMinimum() and setMaximum(). B 1 Reply Last reply . setGeometry sets the QScrollArea instance to the desired dimensions (that of the Qt displays scroll bars in a way that is appropriate for each platform. Follow asked Nov 15, 2017 at 21:52. Follow asked Apr 23, 2013 at 13:27. For testing, you can set vertical scrollbar always on to see how content height affects the scrollbar. Learn how to use QScrollBar widget to provide a vertical or horizontal scroll bar for a document that is larger than the widget displaying it. When all of the area contents fits in the viewport, each scroll bar can be either visible or hidden depending on the scroll bar's Qt::ScrollBarPolicy. Note that I do not want to have (visible) scroll bars. Should look like this: void SrollBar::paintEvent(QPaintEvent * event) { QScrollBar::paintEvent(event); //Qt scroll bar is Reference questions:: Qt Scroll Area does not add in scroll bars, How can i make widgets overflow to make a scrollbar appear in Qt? Question:: I want to have a dynamic layout of a set of widgets within a QScrollArea. The first beta was just released if I made a custom ScrollBar, mainly changing the contentItem to be bigger than the default one and changing some of the colours. My goal is to build a dialog which will contain only a vertical scrollbar and change the number of button columns when resized to fit the width. We had the stippled-scrollbar problem in our app too. Also you need to make sure that you reposition the scrollbars on resize and keep the hidden and custom scrollbars in sync. There will probably be no more ellipsis in the elided text. The QScrollArea defines where the scrollable widget will appear. It is the Flickable that is the base class of the ListView. Featured on Meta Upcoming Experiment for Commenting. i need to make QScrollBar for flat style, without borders, but when i set QScrollBar::add-line or QScrollBar::sub-line it forgot the other properties, for qt; scrollbar; Share. Next to the viewport is a vertical scroll bar, and below is a horizontal scroll bar. Most importantly, complex widgets have a fundamental requirement, as explained @IknowQT I see problems in what you indicate, to be didactic I will use the terminology that Qt provides in the docs:. That's because I already styled the vertical scrollbar: and these are very different in terms of colours than the scrollbar in the picture above. Any ideas? [Qt控件] 如同张弓般可左右拉弦的垂直滚动条. As you mentioned, you want nested tabs. 2. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1. This will also affect the flicking behavior!. This widget you will be setting to scroll area scrollArea->setWidget( myWidget ); You can change this widget layout. I try something like that: centralWidget()->setLayout(layout); layout I don't think the ScrollBar is what makes the things go wild. In some cases properties contain a logical group of sub-property attributes. I have managed to I want to add a scrollbar automatically to the a groupbox of labels when resizing the dialog window that has this groupbox (make it smaller) so to keep the same view of the content of the groupbox and view it by scrolling when that dialog is small. Use QHeaderView::ResizeToContents to make the column wide enough to display the content, resulting in a horizontal scroll bar if necessary. Screenshot of Qt Creator on Mac, I'm trying to get this scrollbar rounded edges look on windows. Commented Aug 3, 2010 at 2:03. This is the button that adds a line in your scroll-area (in the direction of your scrollbar, horizontal or vertical), i. There is no movement on list while scrolling up/ down, here, list should be moving accordingly. 4,745 5 5 gold badges 43 43 silver badges 66 66 bronze badges. Do something as below //Create and populate your layout QGridLayout *gridLayout = new QGridLayout; //Create a widget and set its layout as your new layout created above QWidget *viewport = new QWidget; viewport->setLayout(gridLayout ); //Add the viewport to the scroll area QScrollArea *scrollArea = new The result is that the scrollbar only expands to the right, putting it off-screen. My code until now You could roll your own custom scrollbar class that inherits from QScrollBar or perhaps QAbstractSlider and override the valueChanged(int) signal. For example, you can set the this is the first time in months that i touch QML again (im mainly a C++ backend/alogrithm developer) to write a small frontend for some sort of scheduling algorithm i have a good understanding of Cool, thanks. Make an scrollable area of widgets. i am working on Macos (m1). By default, the scroll bars are displayed only when the viewport is smaller than the child widget. Improve this question. You need to have a widget within a scrollarea, and you pass that widget to the area using QScrollArea::setWidget. I have used drop down comboBox , due to too many items in comboBox a vertical ScrollBar appears so I Want to style it. B Offline. So you need to add a page for the tabPage widget and add the scroll area inside its layout. asked Aug 16, 2017 at 3:55. So, I added a scroll area widget. The form widget are created with qtCreator. I couldn't find how to retrieve the height of this scrollbar. I am trying to show a picture in it's full view using QGraphicsScene. Some basic pseudocode: if currentValue is within 5 of snapvalue1: set scrollbar value to snapvalue1 elsif currentValue is within 5 of snapvalue2: set scrollbar value to snapvalue2 I'm trying to set the value of a QListView scrollbar immediately after updating its model. A Offline. It's commonly used in graphical user interfaces (GUIs) to allow users to scroll Learn how to use ScrollBar, a vertical or horizontal interactive scroll bar, in Qt Quick Controls. And again, this is what QScrollArea already does by default. But the value always change when I try to move the scroll bar. What I want is to make it scroll to the full, just like when you choose "Scroll here" context menu item. Do I have to move the ListView header out in a different component? Second, when I move the scrollbar the elements goes outside the ListView boundaries. idiap. If parent is 0, it's a non-modal window. @mounipanditi said in Customizing ScrollBar of QListWidget: I am unable to see any change for the scrollbar in QListWidget. AlwaysOff, depending on the size of the content compared to Qt Scrollbar in QLabel. g. vertical. I would also prefer the layout to organize top to bottom rather than left to right. 3 as published by the Free Software Foundation. Unfortunately, removing that line didn't change the scrollBar behavior. If I I get the height of the header and the rows. Something like this. It contains a QVBoxLayout and a list of label/listwidget pairs, each in their own little The manual pages of QML give an example with a ScrollBar. Also, I think I came to use it as a result of Qt Creator popping it up as a suggestion on a ScrollBar variable when editing the QML. 3 1 1 silver badge 4 4 bronze badges. I presume this also works in the same way for TableView – Amfasis A horizontal scrollbar seems like the obvious solution here but I cannot get it to work. instead of. SGaist Lifetime Qt Champion. The following snippet is not enough. AlwaysOn or ScrollBar. Both return a QScrollBar. because QScrollBar doesn't inherit QSlider (as defined in your stylesheet), thus the style don't get applied. qt widen QScrollBar when hover using StyleSheet. But I also need the height of the scrollbar to calculate the final height of the table. The scroll bars appearance depends on the currently set scroll bar policies. Insert a scrollbar in a qt widget using qtcreator. Customizing scrollbar over QListWidget. Controls scrollbar scroll to something similar to below: I can't find a way to customize scrollbar handle. I tried scroll->setContentsMargin, I tried styling with margin or height/ width, tried using sizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred, stretch=3) or overriding the sizeHint virtual function: you get scroll bars only when you set the child widgets in it,. But when ever I put Each scroll bar has a value that indicates how far the slider is from the start of the scroll bar; this is obtained with value() and set with setValue(). I want a set of scroll bars to be a permanent part of the UI. qt. Qt - QGraphicsView without ScrollBar. ©2024 The Qt Company Ltd. 6. Modified 7 years, 3 months ago. If not, what am I doing wrong? sliderMoved(int) is emitted when slider has been moved, so there is no bug IMHO. You're not adding your scroll area anywhere. io/topic Scroll bars are usually equipped with other controls that enable more accurate navigation. Are there any other ways to change ScrollBar color? ListView { anchors. I want them to always be visible. I need a vertical QScrollBar scrollBar; scrollBar. When a scroll bar is hidden, the viewport expands in order to cover all available space. Add a comment | @SGaist No, I think it isn't. I have downsized it to the minimum, with one single QGraphicsItem (a QGraphicsRectItem) in the scene. Or if you want the scroll bars to adjust dynamically when the contents of the scroll area changes, Hai All, I am using the scroll bar in the Flickable window , but I want the scroll bar on the left side of the window instead of right. 1. It's bad that you didn't provide any code that you have tried to use to accomplish this so I can't tell you what were you doing wrong. Adding scrollbars to QML widgets (Qt 5. The documentation suggests that one can customise the scroll bars via the The scrollbar is next to the internal viewport so padding the QTreeWidget itself will produce a empty space. To override this behavior, set the policy to ScrollBar. This value always lies within the range of values defined for the scroll bar, from minimum() to Scroll are should be in place of the selected frame on your picture. The problem is that the scrollbar is not properly setup at that time so its maximum value is not correct. Will Qt::WA_TransparentForMouseEvents not disable all mouse funcionality on such scrollbar? The only way I see to get it working would be to filter mouse events (or intercept some other way i. StopAtBounds currentIndex : 0 focus : Hi, I want to customize QtQuick. You can force the scroll bars to always be shown by setting scroll bar policies. 10). 5,546 14 14 gold badges 64 64 silver badges 122 122 bronze badges. I know that is QScrollArea class. vahancho vahancho. And for my purposes I decided to use the Flickable over the ScrollView (but it doesn't change a I have a TextArea that will usually only contain about one line of text. Because your ScrollView contains multiple items you need to take care of sizing yourself and set contentHeight explicitly to the combined height of all the items. Ha. 9. I tried to style it by setting its I was wondering if it was possible to draw text inside a scrollbar. This could be done by subclassing the QTreeView like so:. Follow edited Aug 16, 2017 at 15:40. aarelovich aarelovich. I have a small problem whit QScrollbar. No added functionality. As for State_Horizontal, it didn't work for me because I was setting the style for the vertical scroll bar, my bad. Unwanted margin inside QGraphicsView with Scrollbars. At left Dear All, before to post my question here, I've tried to looking for the same problem on Google, without luck. These same gestures with the mouse seem to work fine with a left click on the background of the scrollbar or a left click and drag on the handle of the scroll bar. Can i do this with stylesheet or something else? 1 Reply Last reply . At the minimum value, the top edge of the The scroll bars appearance depends on the currently set scroll bar policies. can you pls clarify what do you mean by 'same position'. ScrollBar. Follow edited Jan 5, 2017 at 10:59. how to Fit QGraphicsScene in a QGraphicsView. setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); Share. fill : parent ScrollBar. QScrollBar是Qt框架中用于提供滚动功能的控件，它允许用户通过拖动滑块或点击滚动箭头来浏览超出显示区域的内容。在Qt 5. Qt. QML Tableview horizontal scrollbar. Example: Scrolling a TextEdit with a QScrollBar. There you have the property: maximumFlickVelocity which is in pixel / second. The ListView then expands so the ScrollView gives the scrollbars and the ListView omits it's own scrollbars. On Hi-DPI windows, newer Qt applications or at least QtCreator 4. 13. To set the value of scroll bar manually, you can: qt; scrollbar; qtstylesheets; Share. QGraphicsView scroll problem. Vertical, scrollArea) verticalScrollBar. 3) 2. qt; scrollbar; stylesheet; Share. Scroll Area Added and Set Up but No Scrollbar Appears. @Qt-Jo-Ha. The vertical scrollbar allows the user scroll the additional buttons. 523 1 1 gold badge 8 8 silver badges 25 25 bronze badges. This will have a couple of side effects of which I'm not sure you want them. to scroll one line (down/right, the sub-line control will scroll one line up/left). I am trying to create a widget with scrollable using the QHBoxLayout and QScrollArea but i am unable to succeed to create a GUI,here is my code can any one please suggest me where i need to change. Each scroll bar has a value that indicates how far the slider is from the start of the scroll bar; this is obtained with value() and set with setValue(). Before changing the view's contents remember scrollbar positions using view->horizontalScrollBar()->value() and view->verticalScrollBar()->value(). I've tried something like: scrollArea->verticalScrollBar()->setMinimumWidth(someInt) and adding a corner widget with minimum width set to some big value, but they have no effect. I use a list widget and move its scroll bar without touch to the scroll bar (I click on list widget, move cursor and the scroll bar move to). It should be painted over the content. this is really weird. Qt. Follow @Abderrahmene_Rayene said in How to set a custom style into the QScrollBar of a QScrollArea?. You could show an image of I created a Tab widget using QT Designer and I want to make the contents in the tab area to be scrollable so my form will not be too long. Qt Development; General and Desktop; QMessageBox with a scrollBar; QtWS: Super Early Bird Tickets Available! is there a way to have a QMessageBox with a scrollbar because my message can have as many as 200 very short lines ? Thank you. Jo. It should be something like this: Then I tried to define the scrollbar myself : scrollArea = QScrollArea(self) verticalScrollBar = QScrollBar(qt. But that does not remove the default scrollbar on the right. Thank you again. If you need to provide a scrolling view onto another widget, it may be more I suspect that with no style applied, the system default "native" style is used for the whole scrollbar. For example, you can set the horizontalScrollBarPolicy and verticalScrollBarPolicy properties. so, for that what I did is that I Make QT/QML TextArea scroll to bottom. 2. Improve this answer. As I wrote, Repeater is not sufficient due to number of delegates to be created. In other words, I want It will place a scroll area inside the tab widget and put the instance of MyClass inside it. I and working to a specification where the requirement is to have a vertical scrollbar that is only something like 4 pixels wide, is this achievable with the QT C++ Scroll Issues. The thing is that now, I need to create a widget with the scroll bars in a mainWindow. qt; scrollbar; Share. See the class inheritance, functions, signals, and examples of QScrollBar. Grouped Properties. I tried the qstylesheet method to change the vertical scrollbar handler max-height but failed. 1. x always use the Fusion style and not the native (windows) style. Here is how it looks: What I'm trying to do: I'm having a ScrollView which has inside of it a ScrollBar and a ListView. Hide QScrollBar arrows. I've tried to set the minimum and maximum widths differing by the horizontal size of this scrollbar, and set horizontalSizePolicy :: Expanding, but it didn't help. If you need to provide a scrolling view onto another widget, it may be more convenient to use the QScrollArea class Qt displays scroll bars in a way that is appropriate for each platform. 9. Transient scroll bars are hidden shortly after the last interaction event (hover or press). S Offline. Flickable, ListView) ScrollView has an instantiated ScrollBar already assigned to ScrollBar. I use value changed() to get scroll bar's value. How to do this ? @superg Have you tried this method : *void QScrollArea::ensureWidgetVisible(QWidget childWidget, int xmargin = 50, int ymargin = 50) Scrolls the contents of the scroll area so that the childWidget of No, I am on windows. It's going to be inside the QTabWidget (this). Simple example of QScrollArea usage from documentation: QLabel *imageLabel = new QLabel; I have a QScrollArea containing some widgets displaied in a vertical layout (lalgLayout), I would like the vertical scrolbar to scroll automatically dow in order to show always the bottom of the widget. In QT "ui->scrollArea->horizontalScrollBar()->setValue(0)" has no effect. Actually my requirement is, I have to add scrollbar to groupbox and it should visible when it is minimized. . 12. How to create a scrollable widget using QHBoxLayout and QScrollArea. 4 (Qt 5. If i do the same with, eg a QToolButton simply the toolbutton is not painted but there is no black rect on the widget. I do, however, want the user to be able to add more than that and have the TextArea expand up to a maximum of about 15 lines, at which point any Good catch. 15版本中，QScrollBar继续为用户提供一个直观且易于操作的滚动界面，广泛应用于各种需要滚动支持的GUI应用程序中。 Insert a scrollbar in a qt widget using qtcreator. Can somebody help me? @Apeksha said in scrollbar in QGroupBox:. Vertical } } This will instantiate a child object ScrollBar but that's it. At the minimum value, the top edge of the Styling scroll bars (and complex widgets in general) requires some patience and proper studying of the documentation and the examples. It has a horizontal scrollbar and a vertical scrollbar, which you can obtain them using QAbstractScrollArea::horizontalScrollBar() and QAbstractSrollArea::verticalScrollBar(). 3. My boss has requested that my listview with delegate doesn't have classic scrollbars, but it shows 3 dots on top and bottom that act like indicator that the user has items to scroll. QML ScrollView qt; scroll; scrollbar; qml; Share. The code above was tested with Qt 5. Don't forget to call the original paintEvent handle if you what to see the actual scroll bar under your highlight . If you need to provide a scrolling view onto another widget, it may be more convenient to use the QScrollArea class because this provides a viewport widget and scroll bars. when i compile it and run the project, it works normally and i can scroll. I am fine with them becoming invisible, but I want the scrollbars, so that the user can scroll to the invisible parts. As you can see the vertical and horizontal scroll are bigger/longer than the size of plot canvas and I would like to make them smaller. Adding scroll bar to a Qwidget. When I increase the size of the scroll area up to the window size; after running, the window Change qt scrollbar style to match default qml scrollbar. Now I was able to replicate that mostly within Qt. vertical : ScrollBar { anchors. Contribute to Qt-Widgets/Qt-SlimScrollBar-Animated-Custom-ScrollBar development by creating an account on Transient scroll bars are hidden shortly after the last interaction event (hover or press). Try to set this to an appropriate value. (Basically you have a scrollbar which has an indicator widget that points to the current location of the scroll bar and gives a readout of the date at the point. RedBaron. It works fine with the horizontal scroll bar. 4. More specifically, inside the "grab-able block" of the scroll widget. What I want is that, by default horizontal scroll bar should not come. You can set some default height to "QScrollBar:horizontal" and also the width to "QScrollBar::add-line:horizontal" (or vertical) and to "QScrollBar::sub-line:horizontal" (or vertical). First, when the scrollbar moves up and down the ListView header moves as well, instead of staying still. sztq xztcygq yoeqap ldfa eekt bhahy gstabjgv rzoeq tuv nzazcea