Qt overlay widget. This property was introduced in Qt 4.
- Qt overlay widget Initializing a layout with a parent widget will place the layout on top of the parent widget. 1 Play a video with custom overlay graphics. Child/parent hierarchy and QT flags don't bring expected behaviour. Contribute to Qt-Widgets/QtExtra-Widgets-Collection-TextSpinBox-LongSpinBox-Color-Slider-Switch-SpanSlider-OverlayWidget development by creating an account on GitHub. I know I could overlay widgets by just specifying their parent child relation-ship. Parameters: The overlay is an ordinary Item that covers the entire window. e the QT overlay is in z order always rendered exactky one layer above the target window. Dec 12, 2014 · There would also be the option of QWidget::createWindowContainer, but it does not allow (transparent) overlays. I'm searching a way to draw any QT widget overlay on QVulkanWindow. Don't forget to indicate its parent else it will be displayed as independant QWidget. qml")); quick_widget->setLayout(new QVBoxLayout); quick_widget->layout()->addWidget(gdi_wrapper); This project provides an Overlay QWidget class, that can be used with a modal QDialog to darken the background over the dialog parent widget, and to attach a Blur graphics effect on the parent as well. Mar 2, 2018 · Layouts are elements that manage the geometry of widgets, in your case both layouts try to occupy the largest available space. May 10, 2022 · Yes, it is like a splitter, but the splitter can not put one side over the other one, right? Try running the code and you will understand what I need, I can't post a video here Sep 9, 2015 · I would like to create a custom widget in Qt with the following features: It is a container It may be populated with any Qt layout It may be inside any Qt layout A button allows to collapse/fold. I have a Qwidget to render video with LibVLC and I want to overlay a transparent Qlabel on this widget but when the widget starts showing the video, the label can not be transparent and stays with a background overlay_widget = sgtk. Apr 11, 2012 · I know that a common technique for overlapping two widgets is to make the displayed widget the child of the concealed one. 8) which displays a literal map from a large number of QGraphicsScene items. 15 Jul 5, 2013 · The overlay widget is uses this @setAttribute(Qt::WA_TransparentForMouseEvents);@ I then control its visibility based on whether the table has rows. Jan 14, 2012 · Add a layout first so the child widget will match the size of the parent widget. So if you want the title bar too, then you need to create a custom title bar, there is no workaround. I use Win 10 and when I click for example on the clock ( on the right in taskbar ) and I move mouse on the calendar ( popup when click on clock ) I see that the light is changed. The problem is that when I add the label to the layout , of the Jun 6, 2010 · How do I draw interactive widgets such as QButtons and Line Edits over a QGraphicsView? For ex, I have selected a region over an image in an image editing app which displays an image with QGraphicsView, and I want to annotate this region with a name. 15 Oct 18, 2013 · The easiest is to set your overlay widget's parent to be the main window. setStyleSheet(" Sep 9, 2015 · I am trying to overlay a few buttons over my video player. painter. 4. import_framework ("tk-framework-qtwidgets", "overlay_widget") These imports work just like the normal import call in python and we recommend that they are placed at the top of the file. For your convenience I paste the code from @armatita here as follows: Oct 8, 2018 · I'm searching a way to draw any QT widget overlay on QVulkanWindow. Overlay widget that can be placed on top over any QT widget. Then, the black background will be gone. ; This will add the button to the top. 1) attempt to create QWidget and Vulkan window from one parent QWidget Feb 7, 2023 · @SeeRich Yes, something like that. Feb 7, 2023 · @SeeRich Use a QLabel(not QWidget) as your overlay widget and make it transparent. If you go with the second solution, you will have to play with the windows flags to make it borderless. I'm building my app interface at the moment with Qt. And the event types can be forward-declared, further reducing dependencies. php?content=145 Here it is how you create a transparent QWidget. platform. I set a background image for the mainpage and I use stackedWIdgets to slide from one window to another. What I did in my code is to overlay button onto the video. overlay property to position a popup in the center of the window, despite the position of the button that opens the popup: Jan 31, 2014 · I'd create a container widget that contains the buttons (and manages them in a horizontal layout or even just use a QToolBar), and give that container the tab widget as its parent (without using a layout to manage its geometry). If I deactivate the overlay stack, the OGRE widget is correctly showing. We don't need to include <QFrame>. But if I have two widgets, say A and B. May 10, 2022 · How can I have like a dock widget but allow it to be over other widgets? I have handcrafted a solution using calculated geometry, but it is far from optimal: Mar 9, 2022 · I want to be able to create a dark overlay on top of other widgets that can be turned on or off with animation. . Cut & paste also doesn't work. 15 Qt Extra components and widgets. Specifying const for the duration parameter has no effect on the function signature - we can omit it here. Is it possible to draw QT widgets on the top of QVulkanWindow? I've tried the following. int QStackedLayout:: addWidget (QWidget *widget) Adds the given widget to the end of this layout and returns the index position of the widget. May 10, 2022 · Yes, it is like a splitter, but the splitter can not put one side over the other one, right? Try running the code and you will understand what I need, I can't post a video here Jan 2, 2020 · Inheriting from QPushButton. cpp in the source for vlc-qt, you can see that the request() method creates a widget and adds it to a layout which is parented to the VlcVideoWidget. Oct 23, 2019 · To connect Gstreamer with Qt in order to play a gstreamer video in the Qt Widget. setPen(QColor(0, 0, 0)) painter. 1 Dynamically add overlay widgets. Setting the property to StackAll allows you to make use of the layout for overlay widgets that do additional drawing on top of other widgets, for example, graphical editors. Even though I try to paste the widget into Mainwindow with right clicking MainWIndow, the widget is pasted into Oct 7, 2018 · 0 down vote favorite. That is QGridLayout the addWidget functions allows you to place multiple widgets inside the same Cell and all will be effected by the Layout and it's resizing mechanism. h. 15 Jul 9, 2019 · How would I go about making a overlay widget with qt? iDGAc. At first B is over A and on the bottom left corner of A. You just need to create your QPushButton (or any QWidget), indicate its parent QWidget and then display it. The default value is StackOne. Once you have placed the overlay widget, you can use it to display a spinner or report progress in the form of an arc that goes from 0 to 360 degrees. It's sufficient to have <QWidget>. QtWidgets. Overlay provides a layer for popups, ensuring that popups are displayed above other content and that the background is dimmed when a modal or dimmed popup is visible. Jul 16, 2013 · I want to show transparent widget over overlay widget which I give to mplayer. I like this and w May 10, 2015 · As you may know, LibVLC uses Qt widgets to render video frames by getting only the WinID of the Qwidget and handles the rest itself. I am trying to do the following: I have a QGraphicsView showing a scene and I want to have a smaller fixed sized QGraphicsView on top in the corner serving as a "minimap" overlay for the current view of the main graphics view. I managed to get this to work. org/content/show. cpp that subclassed a QWidget for the overlay purpose. When changing the geometry, the widget, if visible, receives a move event (moveEvent()) and/or a resize event (resizeEvent()) immediately. Oct 30, 2016 · I just ommited to update the geometry of my widget. See also insertWidget(), removeWidget(), and setCurrentWidget(). If you want to do that there are multiple options including painting the widget yourself on top of everything, excluding the widget you want to overlap the rest from the layout and position it manually etc. Aug 23, 2014 · It looks like you want to create an overlay. Jan 21, 2019 · As far as I know, there's only one way to stack widgets on top of each other, while using a layout. Now I want overlay some text over the video. The answer from @armatita has the following effect I want to ask, how to make the overlay transparent? To be exactly: With the transparent overlay, the buttons below it can still be clicked. 0 and overlaying a video stream on a QVideoWidget in Qt . png I've considered using a QPaintEvent or a QGraphicsScene, but I want to be able to add widgets and for the widget to not occupy space in a layout, causing other widgets to shift when the popup appears. Then, use an event filter on the tab widget to position the button container in case of resizes and moves. 15 Jun 4, 2013 · How would I go about modifying this code, such that the overlay just overlays the identified winapi window, and should a 3rd window be dragged over the target window with QT overlay, it is that which sits on top…and vice verse. I want to add transparent label to show on the video . You can either create and handle that all by yourself - that however might get quickly become complex and complicated - Or You use the tools Qt- provides for this, Like QLayouts, QStackedWidgets, QTabWidgets etc. I want to be able to paint on top of my application's window so that I can annotate all the widgets with some extra diagnostic information, similar to the CSS developer tools in Firefox (eg add wid Feb 7, 2023 · Qt Widgets + GStreamer + Overlay + Screen Capture. Overriding resizeEvent and updating position of the this button based on the parent position. 15 Jul 25, 2018 · Even though I had to write it manually. I use QMplayer wrapper for it: http://qt-apps. If the QStackedLayout is empty before this function is called, the given widget becomes the current widget. I would like to annotate the view with a scale. Sep 21, 2014 · There should be no problem in getting a transparent window as a partial overlay that's on top of the screen stack. 1 PyQT/Pyside Opengl widget overlay Jul 9, 2019 · I believe the best solution is to parent the so called overlay widget to the window or even have the overlay widget be in its own window. May 10, 2022 · Hi, @Jaime02 said in Widget overlay: Yes, it is like a splitter, but the splitter can not put one side over the other one, right? Yes it can, see the childrenCollapsible property. How could I implement this without QML? This property determines the way visibility of child widgets are handled. Dec 26, 2012 · Consider the modification of an answer from @ekhumoro as shown below. drawText(overlay Feb 7, 2023 · Qt Widgets + GStreamer + Overlay + Screen Capture. All you need to do in Qt is to set a transparent window background color (through a stylesheet, for example), and raise your window so that it's on top of everything else. In my centralWidget I have added a verticalLayout and morph it into a QWidget. ShotgunSpinningWidget (parent) [source] Bases: QWidget. I have added a new class called overlay. Sep 4, 2020 · @mrjj The goal is very interesting… :D. It can be used as a visual parent to position a popup in scene coordinates. Oct 14, 2017 · You could then easily overlay that over QQuickWidget without the need for native handle (winId): auto gdi_wrapper = new GDIWrapper(); auto quick_widget = new QQuickWidget(QUrl::fromLocalFile(":/some. QStackedLayout. widget (arg__1) ¶ Parameters May 5, 2022 · You can tabifyDockWidget() which results in having multiple dock widgets occupying the same space and switchable through a tabbed interface. Normally people don't overlap widgets. This property was introduced in Qt 4. If you need to place it at the button then use something like parent_rect. But what if you have a widget partially covering two others? Say I have squares A, B, and C of type QWidget, where A covers one of B's corners and one of C's. Scheduled Pinned Locked Moved Unsolved General and Desktop c++ widgets gstreamer video overlay screenshot. But my approach below doesn't work (the background of the label is not transparent such that one sees only the video and the text). The video was added into this verticalLayout. Feb 7, 2023 · Qt Widgets + GStreamer + Overlay + Screen Capture. According to Qt doc, the geometry property do this: This property holds the geometry of the widget relative to its parent and excluding the window frame. r. Can you try setStyleSheet("background-color: green"); to see if the background color is green? if the green color works, try the following: QLabel * _overlayLabel{nullptr}; /* no need to create a overlay widget class */ Mar 24, 2017 · @zed962. sure its possible, every widget can have multiple children of its own. The important thing is if you remove Qt::FramelessWindowHint then the transparency removes the contents inside. class overlay_widget. But when a button is clicked, I want A appear over B and on the bottom left corner of B. My problem is that I don't know how to overlay a non-GL widget with QML and then later how to include everything into one application (possible parent problems with setViewport when switching between the two widgets). If you take a look at WidgetVideo. May 10, 2015 · As you may know, LibVLC uses Qt widgets to render video frames by getting only the WinID of the Qwidget and handles the rest itself. My requirement for the scale is that it is permanently fixed w. [/quote] Mar 9, 2022 · OverlayWidget. May 29, 2014 · I have a main parent widget, and I want several layouts on top of the parent widget. PySide2. i. paddingLeft. Qt Overlay over GStreamer. Besides that, there's little you can do: QMainWindow has its own way of managing its (internal) layout for dock widgets and tool bars, trying to effectively override it is extremely hard (and usually painfully inconclusive as buggy). The point of a layout is to position your widgets in a predefined, user-friendly way. I have a Qwidget to render video with LibVLC and I want to overlay a transparent Qlabel on this widget but when the widget starts showing the video, the label can not be transparent and stays with a background Jul 20, 2018 · I am referring to the answer from @armatita in PySide/PyQt Overlay widget. The code would be something like this: QHBoxLayout *layout = new QHBoxLayout(videoWidget); QLabel *overlayWidget = new QLabel(); overlayWidget->setAlignment(Qt::AlignCenter); overlayWidget->setText("Overlaid Text"); layout->addWidget(overlayWidget); Mar 19, 2024 · I am completely new to Qt and am trying to design a UI for an experimental application I am working on. height() - self. – Hey guys I have a very difficult problem here, and I hope to get your help. Feb 13, 2014 · Create new form, plain Widget for simplicity; Add a text edit to it (drag and drop from Widget Box), and from Object Inspector you should see it becomes child of the root widget; Add a label to it (drag and drop from Widget Box), and from Object Inspector you should see it becomes child of the root widget May 6, 2011 · Just a quick question. Jun 3, 2018 · Qt, change widget overlay? 2 C++ OpenGL - Overlay example. Now, when the table is empty and the overlay label is displayed, I have a problem with dropping new items into the table. But because it will not be in any layout you have to take care of its geometry yourself. Don't add it to the parent layout else you will not be able to move it as you want. The following example uses the attached Overlay. Is there any way to make its parent mainwindow in Qt Creator? Every widgets are put into centralWidget, not mainwindow no matter where I put those widgets. I created a QWidget and passed the handle to the DX to draw a 3D scenario for QWidget. 1 PyQT/Pyside Opengl widget overlay Jun 3, 2018 · Qt, change widget overlay? 2 C++ OpenGL - Overlay example. It needs to be updated whenever the view scale changes (zoom in, etc). The overlay is an ordinary Item that covers the entire window. Has anyone ever Dec 14, 2018 · I am using gstreamer-1. There is a mplayer embedded in a QWidget. t the viewport widget. I cannot find solution. Apr 25, 2013 · I am making an app using Qt (currently 4. In case you want to have multiple overlays, the last added will be the top most. Mar 2, 2017 · With this code I can correctly see the overlay widgets, but the OGRE widget underneath seems to be discarded, I see only the widget which is under the mainWidget (but Debug mode showed me that the rendering is made, the widget seems to be updated correctly). The first solution might be easier to do, but the overlay widget is bound to the inside of the window. For a widget to be part of another widget there are 2 possibilities, the first is to use a layout, and the second is that the main widget is the father of the new widget, in the case of the first image we will use the first one, and for the second one we will use the May 31, 2017 · This widget will completely overlay the parent so also draw the popup box (drawRect in QPainter). pnu yrsox wozgo dhlwxcm bcspn gecmibj ohen suhlm rlku wmxrw
