Qt get window size The handling of window decorations has changed in the Qt Wayland implementation from Qt 5 to Qt 6. What I wish to know, is a way that would allow the resizing of the font ( let's say ), automatically, as I resize the Main WIndow. J 1 Reply Last reply 0 S Offline S Offline SGaist Lifetime Qt Champion wrote on last edited by #2 Hi, Moving a window shouldn't resize it. If you call this from the main window it will return the size of the main window. This works well when I close the window in restore mode (that is, not maximized). Let's say you have a main window mainWindow and a widget inside it called content. I need to stretch it to cover whole black space and resize it automatically when my app window is resized. win. width is the current top level window/view width. 5 and 5. fem_dev last edited by I have a The following method computes the final size of the window setting it so it covers the 90% of the whole screen available space, and then centers it (left-to-right flow): void MainWindow::centerAndResize {// get the dimension available on this screen QSize = -> . When I run the application, buttons and fonts inside button looks normal. Looks like this FlowLayout class was not designed to have it's minimum size change on user action. Ok, it took a while to understand what's going on here. But if you When the application is run the main window can not be resized below certain size, while there certainly is enough free space to go even narrower. Is there any easier I want to get the size of my QT Main Window or QT Label, since I am trying to make a full screen image viewer. You can use sizeHint() but not as stated in the other answers. Simply calling scroll_bar->width(); for freshly created vertical bar returns 101, which is obviuosly wrong. The content of the window stays the same size, when I expand or reduce the Main Window size. window. When the user resizes the window, the size will move in steps of The following method computes the final size of the window setting it so it covers the 90% of the whole screen available space, and then centers it (left-to-right flow): You can call the 'size' function from any widget. There are four dock Qt remembers the window size and position of the normal window and then restores that when exiting the maximized state. html#size-prop on the root widget of the window. Re: How to check for window size changes? Hai, i'm new here, how do i get the window size while running, sometime i will resize the window and get the window size. Here is my I have created some GUI application using Qt. What I want to do is after it's done making the new window is to resize the window I'm struggling to solve the following problem. addWidget(self. QWidget): def __init__( In case you haven't seen it, the Qt doc page Window and Dialog Widgets contains a lot of information about this. I tried making a really long title description, but that did not work. height (); // Create and init the image: . I have a MainWindow with a graphicsView widget. Thanks There are functions to give you the available screen size, for example. Window; With Qt 5. I've read a few pages and questions on here but can't seem to get it working. setFixedSize(self. For Example: I start my Application. Window. width); } After that minimumHeight and minimumWidth take The below works fine under Qt 4. Only users with topic management privileges can see it. Is there an easy way to access the maximum dimensions of an applications window? For instance, lets say I made a window that contains my whole application and it's height is 500 and it's width is also 500. The default font size of a Text item, for example, will always be legible on platforms supported by Qt, no matter the DPI. cpp # The position of a widget is with respect to the parent if it has it, and if it does not have it is with respect to the screen, so in the case of MainWindow, since it is a window, pos() should be used, if it were a widget that has a parent you must use self. resize(200, 400); But it's not working. sceneRect(), QGraphicsScene. Still, it is possible to render directly to a QWindow with QBackingStore or QOpenGLContext, when wanting to keep dependencies to a minimum or when wanting to use Just note that the left/top position of the client area itself within its bounding window is not usually 0,0. You don't say what platform you are running on, but it it's X11, the answer seems to be 'No', there isn't a better way: X11 Peculiarities On X11, a window I'm trying to create a graph and I need to know the size of the window the user is running the code in. When you hide the widget, the main window as it's parent still has the old minimum height set which includes the (now hidden) widget. Is there Detailed Description A window that is supplied a parent becomes a native child window of their parent window. When I close it I want it to store its current restore size (the size of the window when it is not maximized). Build and run, size the main window I'm currently trying to adapt a vertical scrollbar's step size to the height of the objects inside the scrollable and responsive QVBoxLayout. Here's the code block. QApplication. ). I think the best way to do If manually, using the mouse, reduce the vertical size of the window, then it takes the correct dimensions, but does not want automatically to do this. I'm When it loads the Qt stylesheet it shrinks it, if i remove the loading of the stylesheet, i obviously have no style to anything but the window is maximised. Initially I tried to use ui->setWindowTitle, but that doesn't exist. I end up with a window that is larger than 1024x768. So I'm using closeEvent to All Qt enums and flags are integer or bitwise values, so they can Scaling items based on the width and height of the screen works well enough, except when you move to a high DPI device. QPoint(0, 0)) since it is the top-left position. S. QRect(0, 0, 2560, 1440) as needed This The grabWindow() function grabs pixels from the screen, not from the window, i. I can put it in the . You may be interested also in QMainWindow::saveState() and QMainWindow::restoreState() Ok, it took a while to understand what's going on here. The Window/Position and Linux/Selection are being restored, but the Window/Size isn't. Wow! There's a lot of code in this file. It's a bit complicated, granted, but it takes into account the geometry of the window decorations and size / position of taskbars, and it does not rely on dirty hacks. QtWidgets. Also here the size and position of the normal My program adds buttons to a gridLayout depending out the dimensions you give it. org/doc/qt-4. All objects inside the QVBoxLayout do have the same geometry. ApplicationWindow { id: main 1000 I am wanting to develop a screensaver from my python project, but in order to properly fullscreen it, I need to get the size of the window. How does the x and y get set when the dialog is created @mrjj said in Hide/Show Qt Widgets depending on radio buttons: The original window size is not retained after reselection. sceneRect() will return the same If manually, using the mouse, reduce the vertical size of the window, then it takes the correct dimensions, but does not want automatically to do this. Layout gets updated 'by chance' by QWidget kernel when the window I'm creating a window with QML and the code below. Note on X11 that if the I want to get the size of my QT Main Window or QT Label, since I am trying to make a full screen image viewer. For example, if you gave it 10X10, it would open a new window with a 10X10 grid of QToolButtons. Here is my I'm trying to adjust QGraphicsView to size of my window, but my solutions just doesn't work. : Hi Ok that's a bit odd since it seems all are in layouts so not sure what is going on. . But i need What I understand is that you use a QWidget to display your QGIWidget. The manually compressed window, after setVisible (true), is perfectly rescaled to the desired layout, taking into account the "appeared" widgets. I need to resize the image to fit the viewer in OpenCV itself. I have a QMainWindow in a Qt application. Any help is greatly appreciated. It gets you window size including frame and titlebar. My target screen is the same size Neither I could find a tutorial-like scheme for a resize event on QMainWindow, nor I did see any option for adding resize event in the drop-down menu at the Qt design window. Here is my The following python3 code allows to get screen size but is there an alternative to QtWidgets. The undo action doesn't undo the resizing, so Qt: Window size execution methods? Ask Question Asked 12 years, 1 month ago Modified 12 years, 1 month ago Viewed 461 times 0 When trying to set a fixed window size why doesn't the following code work: window->setSizeIncrement But this code does: Qt::WindowFlags f = { } (where available) sets the window flags; the default is suitable for most widgets, but to get, for example, a window without a window system frame, you must use special flags. QSize size = qApp->screens()[0 Already tried layout. Screenshot provided. I need to run some tests and to see their results I use console — qtcreator_process_stub window is opened. sizeHint() returns a QSize object with a width and height. I’ve tried to do this like: void MyClass::setWidgets(QList I trying to get window size but I getting incorrect size, first of all I set window geometry to 800 x 480 and result is 640 x 480. e. The QApplication::desktop() function is used to get an instance of QDesktopWidget. Get window position and size in qt - Programmer Sought Programmer Sought Okay, I came up with the following solution. A dock widget is a window that can be docked into the main window. My GUI application contains controls like push button and radio button. I need to keep the Windows frame I had a look at the Window Geometry page of the Qt doc. py file generated from Qt Designer or explicitly using: QtWidgets. Therefore you can't resize the main window to the smaller saved size. QImage image = QImage (sizeX, sizeY, You can use QWidget's "size() property":http://qt-project. So, after user moved bounds, then he shrinks the window, then expands back, and gets the picture as screenshot 1, not screenshot 3. log(mainWindow. You I've got a QGridLayout with a few widgets in it. ui is not a QDialog or a QMainWindow. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers There are Window properties attached to all Items. I want to get the size of my QT Main Window or QT Label, since I am trying to make a full screen image viewer. Still, it is possible to render directly to a QWindow with QBackingStore or QOpenGLContext, when wanting to keep dependencies to a minimum or when wanting to use OpenGL directly. – Dmitry Frank Get window position and size in qt, Programmer Sought, the best programmer technical posts sharing site. I have two live video streams coming in. So, how can i do it resiz Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers I have a MainWindow with a graphicsView widget. You can get a particular Item's Window with myItem. Do not set the viewport in the QGLWidget::resizeGL handler; you should use that to make adjustment to things that depend on the screen size and which are expensive to change, like textures used for a post-processing I created a QTableView, when I press the button and open this table, it appears as a small box. but not for the second. But if I close the window if it is Worked on Win10 with QT5. It's default implementation returns the layout's preferred size if the widget has a layout. If QGraphicsView. Well, if the user wants, he can change the resolution of the incoming QLayout::setSizeConstraint(QLayout::SetFixedSize) solves this problem well when you prefer keeping your widget's size fixed at all times — that is, if you'd like it to always be fixed to I am trying to install Qt 5. Another thing to note is that if you replace [0] with 1, 2, 3, you can access other monitors (if there are any) on desktop Continue reading "How to get screen size in Qt" I designed and implemented an application in Qt I wanted to fix the window size so I made the mistake of hard coding the places of the widgets on the window in all the different screens. project file: QT += core gui headers #include #include #include QScreen *screen = QGu @sierdzio thnx, it works perfect for the first method. window example does not work as it requires the item I am attempting to size BEFORE showing to be shown first before it returns anything other than ZERO for width and height. Then, we create our app's main window by inheriting from QMainWindow. So, is there a way to determine vertical scroll bar Qt uses 9px as default font size, but users (on Linux) can change this by using qtconfig. , respectively. QGuiApplication::primaryScreen also errantly returns 1920x1080 as my screen dimensions, which should be 4k. GetClientRect() is enough if all you need is the client area's width/height. I used a I want to get the size of my QT Main Window or QT Label, since I am trying to make a full screen image viewer. QDesktopWidget(). Try to get the size when the widget is shown, not when you create it - then there are no valid size information available iirc. I have to resize the main window, where that widget is placed and then I should get the real size of that widget. The QDesktopwidget has some methods to get the resolution in pixels and some to get the the size in milimethers: mydesk-> widthMM(); mydesk->heightMM(); However, this does not correspond to the physical size, when I measure my screen with a ruler // Try to get the MainWindow size and set these values to the image size: . When I try to switch back to a simpler mode, the size of the window will not resize to a smaller window, which will make How to set QWidget width? I know setGeometry(QRect& rect) function to do that, but in that case I should use geometry() function to get former parameters of my QWidget, then I should increment the width and use setGeometry(. screenGeometry(-1) method : import sys from PyQt5 import QtWidgets def main(): """ allow you to get size of your current screen -1 is to precise that it is Right, the tricky part is that frameGeometry is not set until after the window is shown for the first time (apparently this isn't an API defect, Qt just doesn't know beforehand because the window frame is drawn by the host operating system). When opening again it should recover based on that info. 7+ you even get access to all the Window properties via Window. Excluding the window frame: All windows can be obtained from QGuiApplication::allWindows(). So I'm writing a test app which simulates key presses and I would like to get what window is displayed after each key presses. The output lines I put show that the new size of the window is being saved and restored, but the window on the screen is always 150,250; not the 200,200 default, not the Using a Qt widget base application in Qt5. QDialog(). I want to know how can make my window maximized by default. 04) application that stores it's main window geometry between sessions. Note that adjustSize will limit top level windows to 2 I have an app that needed to be very similar to your requirements, so I'll post my solution here. ui As simplest case, I'd be glad if the behavior of QMainWindow wouldn't change after user moved bounds of central widget. 1. Note on X11 that if the given window doesn’t have the same depth as the root window, and another window partially or entirely obscures the one you Use QWidget::sizeHint to get the desired size of the top level widget based on the sizeHints of all child widgets and layouts. setAttribute(Qt. A better method is to scale items based on the height of the default font. And now comes my question: how to set its initial size? (especially the width to make Hello i want to save the position and size of the application window to load it for the next time. setSceneRect() is not set, QGraphicsView. size()) I'm not sure how to implement this. Including the window frame: x (), y (), frameGeometry (), pos (), and move (). I want to see something like that: My attempt to find solution: I use this command MainWindow::showNormal(); but without success Just use QWidget::width() and QWidget::height() out of the resizeGL event to obtain the window's sizes and determine your viewport dimensions from that. setFixedSize(200, 400); Now my window is not resizable. Ok, i want to do it resizabe again: w. Harder mode has more objects and a bigger window size. There are 2 inaccuracies. You can also use resizeEvent QWidget. Now, let's say I am a few items deep and the orig After creating your QVBoxLayout in Qt Designer, right-click on the background of your widget/dialog/window (not the QVBoxLayout, but the parent widget) and select Lay Out -> Lay Out in a Grid from the bottom of the context For new Qt users this is a little more confusing than it seems if you are using QT Designer and . So they should fill the window and change their size if the window changes its (by the Hi everybody, I'm having some troubles with the window size of my application. QWidget has many member functions, but some of them have little direct functionality; for example, QWidget has a font property, but never uses this itself. If your resizing involves content height to get bigger, you can fit the mainWindow to it like this: When the application is launched, the window should open up to a predetermined fixed size of say 1024x768, or even better two thirds of the actual resolution available on the screen. But if you do the layout correctly, as Christian pointed out, then the user can resize the windows just about any way they want without problems. Is it possible in Qt? Here Hi, I have a method that get pointer to widget where should be setted some other widgets. It is the size constraint that links the layout to the toplevel widget's size. An application will typically use QWidget or QQuickView for its UI, and not QWindow directly. Every widget (the main window and the embedded widget) can be resized to, lets say, 100x100 in Qt Designer, while the application can not become smaller than 300x300. like horizontal One way would be to use Font Metrics to get the bounding rects of each label, and then set the window size to the sum of both rects + some padding to make it look nice. Where is the best place to I would like to get the size of the QGraphicsView in the grid layout, following is the whole window The bounding box is the area size I want to get I try to get the size when windows resize #include "mainwindow. So that one scroll step exactly scrolls one widget down. QSIze size = this->size(); In some cases the QPixmap QScreen:: grabWindow (WId window = 0, int x = 0, int y = 0, int width = -1, int height = -1) Creates and returns a pixmap constructed by grabbing the contents of the given window QWidget differentiates in a way that covers the most common usage transparently. How can I set a min-width for the window so that I can't resize less than the values I define? Rectangle { color: red; width our current code calculates the new window geometry() using availableGeometry(). The image management would be done in OpenCV and the GUI will be QT based. I would like to match the sizes of the Main Window and the graphicsView widget. After placing the buttons, I would like to have these buttons fixed to the size of this window. 0") from gi. std::auto_ptr<MyForm> pForm(new MyForm(3,3 Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers To keep widget size determined, I have to find a width of the scrollbar, as texedits geometry depends on it. One problem you will run into is having wordwrap on. The problem is that I want my widgets to be ratiometric to the While I am in a random QML file which is not the parent main. 8/qwidget. I am currently building a minesweeper game which has three different game modes. When I change the DPI scaling size of display from 100% to 150% or 200 Currently I'm using the window's size at the moment of it's closing, but if it is maximized by then I end up saving a very big size instead of what I wanted. Here it is: Note that this function works perfectly in Android and iOS too. sceneRectChanged-signal is emitted, sendig the new sceneRect as parameter. 1 on Ubuntu 12. So its a stacked + box layout and then 3 groupboxes It looks that solution in GTK is quite simple, it's sad that Qt5 hasn't nothing to offer like it was in Qt4 with QX11EmbedContainer Simple example in GTK3 using python: import gi gi. width() and QGraphicsScene. Then, the user can resize the window as he pleases. Which ones depend on Qt version. repository import Gtk from subprocess import I'm new to Qt and am trying to create a GUI application that will force the QTabWidget to resize to the maximum available size when the window is resized. } pointer_test = new test; pointer_test ->setMinimumSize(100,100); but this size change when i drag the window around, so like to get the current window I am using PyQt4 for GUI in my application. Now the application is done and it works perfectly on my screen (or any It seems I found a reson for that on Windows apart of the screen resolution it's possible to adjust the size of text, apps etc. I'm trying to scale the data so the data shows only on the size of the window, without wrapping or scrolling. I am new to Qt. When i use void mywindow::resizeEvent(QResizeEvent *event) { qDebug() << "Height and I only Answer: After calling MainWindow::show(), then get the size. Think as its a textEdit window there is a scrollArea attached and if I print out its height it is 480 pixels which what I am seeing, but no idea how to influence, tried I'm currently trying to create a sort of generic QML component for some tool window I'm planning. QMainWindow() self. I'm trying this: Christian Ehrlicher Lifetime Qt Champion last edited by Try to get the size when the widget is shown, not when you create it - then there are no valid size Reply how do i get the current GUI display size for QOpenGLWidget example class test : public QOpenGLWidget{. This window will be my "Main Menu". – mins OK, so here's an example. So I want to set the window as big as possible (not fullscreen, still want Windows task bar), and set it fixed, which makes double click but this size change when i drag the window around, so like to get the current window size after i dragged. Circuits last edited by Is there an easy way to For . I try with different topics of this forum but finally i couldn't do it. Without having any information about the Wayland configuration at hand, I can only suspect that a native window decoration is rendered regardless of the FramelessWindowHint . The second problem is So, Suppose first time the child window was created with the size (using setGeometry) 400, 200, when I go to close this window the size I will get from HelpWindow::size() might be say (385, 190) which I will save, and next time setGeometry() will get this size. How do you determine the width of the I have a QTextEdit Control and I want it to resize widh window size always. You can also use resizeEvent cout << "Window size is :" << endl; int win_cw = win. Users are confused by the version page, as it is truncated and they do not see what the new version is. int sizeX = this ->size (). I have a minimal I'm currently trying to create a PyQtGraph gui to plot an image repeatedly as new data comes in using code similar to this: self. then we setGeometry() to resize and reposition the window in its constructor. You can change the setMinimumSize to setFixedSize to obtain a window with fixed size, or you can set both minimum and maximum sizes. I tried to change the behavior and save the size only if not maximized, but if I move the window, maximize it and then close, next time it gets placed in the old position. As of now, it doesn't happen. First, we import the required classes from PyQt6. mapToGlobal(QtCore. You add dock widgets to a main window with addDockWidget(). You should use QWidget::saveGeometry() to get the window size and QWidget::restoreGeometry() to restore it, for instance with QSetting. Thanks in advance. I'm using WinAPI to get some platform specific features like Aero snap, so it Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Did you try the setGeometry() function of targetwindow: I just have a simple QDialog and want to set only the width and height, and have the x and y automatically set to the center of the parent, but when I try setGeometry, the inherited geometry's x and y are 0. The first one is when i resize the window i want to keep the aspect ratio of some widgets inside. I've tried to do this like: @ void MyClass::setWidgets(QList And your Window. I found the following example self. main. I can't get it to work: the "standard" window width always remains smaller than needed to fully display the content. There are offsets to account for window borders, titlebar, menus/toolbars, etc. How can I adjust the size of my window? QTableView *view = new QTableView; view->setFont(fnt); view ->horizontalHeader()->setSectionResizeMode(QHeaderVie Yeh, I know this stuff already - I am using a QQuickView as my tooltip. So they must have been created in some default size. When the taskbar is not hidden, my program will just stand on top of the taskbar! When using Python/PyQT/Win32, how can I: Check if the taskbar's autohide function is on I would like to match the sizes of the Main Window and the graphicsView widget. I want to find the height and width of the window in Qt6 but it seems something is wrong with Qt or with my knowledge of it!! (probably the second one is correct 😜) the size after maximize is still the same as the size that I set but after minimizing it You can use QWidget's "size() property":http://qt-project. Now that i have the array of equal sized buttons, I need to find out their size so as to put the images on I'm want to make the maintenance tool window wider. The main window can be found with a loop over all windows. The function grabs pixels from the screen, not from the window, i. ;-) Only tested it on KDE / Linux / X so far. Is there a way to set the window size while including the Windows frame. Hello guys I am trying to screenshot my own qt application window. width (); int win_ch = win. Workaround solution: first There are a number of tasks that I want to execute if the window size changes, is there a way to execute code when that happens? I've read some stuff on QResizeEvent but when functions get involved they usually involve passing a QResizeEvent to the function I have a method that get pointer to widget where should be setted some other widgets. This doesn't take the window titlebar into account though. AA_EnableHighDpiScaling) app = QApplication(sys. Could you help me? Uncle Google wasn't any help. This is because I need to set a QOpenGLWidget's size accordingly. ui files. textMsg,1) But no change. 1. QtCore. : I've tried to I set up fixed size for window: w. You can also get the preferred size from the sizeHint() functionality and use that as the argument in the setFixedSize() call. Qt layouts take care of the rest. You I have an application being developed in QT Creator on Ubuntu. Here i A window that is supplied a parent becomes a native child window of their parent window. argv) python pyqt pyqt5 Share Improve this question PyQt how to get correct window size 6 PyQt font size changes with windows display configurations 3 1 Creating Dock Widgets Dock widgets are implemented in the QDockWidget class. The window can be expanded but not contracted - it has a minimum size. So if your dialog has a layout, just use sizeHint to get the recommended size which is the default one. Getters of the dimensions of the sceneRect are QGraphicsScene. I'll add that window sizes are also similarly incorrect when I try to query them. The screenshot of the accepted answer clearly shows a QMainWindow, which can not have a layout set (it has its own internal layout that, other than the central widget, also manages the menu bar, the status bar, and any possible tool bar or dock widget); in fact, any attempt to set a layout in Designer for the main window will actually result Hi everyone. I want to make sure that the tooltip appears on the right screen, so I need to get the QScreen that the So Qt Designer has this feature where you can resize the window you're working on. 9. Is there any direct way to that My pyQt4 application have main dialog and it content tab control then sub component in it. So I WANT it to be a window. The mouse cursor is generally not grabbed. The number of screens available is returned by screenCount, and the screenCountChanged() signal is emitted when screens are added or removed. setFixedSize Congratulations to our 2022 Qt Champions! Get the MainWindow size This topic has been deleted. void Test::capture(const QString &path) const { QPixmap originalPixmap; QScreen *screen = QGuiApplication::primaryScreen(); int y You need to look into Qt's layout system - using layouts will handle automatically resizing your objects based on the size of their parent. However, if double click the title bar, it will resize. So on a hover, it does a beautiful preview of the main view. Rory I am writing Qt (4. height + " and " + mainWindow. In the widget constructor like MainWindow::MainWindow() you can't get the correct size of the widget like QGraphicsView in Grid Layout because in that hello, I'm trying to get the screen size for my desktop app. The units should be pixels, so I'm really thinking this is a bug with Qt. The owner of the ui is the QDialog or QMainWindow. I tried using below code, but its not for maximized instead it resizes the window to desktop screen size. 8. After setting to 100% result is PyQt6. What I want is, when user clicks on maximize button or resizes main window then tab control size as well as its component locations should be auto updated. require_version("Gtk", "3. Obviously I would like my application to return to it's non-maximized size The size policy on a toplevel layout is meaningless if you don't set the size constraint as well via QLayout::setSizeConstraint. Is there a way to do this, or do I need to use a layout? For those looking for actual QWidget size (inner size): If you want to know the size of the widget usable space (the inner space), you need to use geometry, not frameGeometry which adds the size of the window frame to the widget own size. Thanks :) QML and Qt Quick Get the total window dimensions Nominate our 2022 Qt Champions! Get the total window dimensions This topic has been deleted. showMaximized can make the window maximized. sizeHint holds the recommended size for the widget. Qt includes a very simple method to get the size of the screen (width and height). hpp" #include "ui_mainwindow. I have a window and a bunch of push buttons. Then its size can be obtained. if there is another window partially or entirely over the one you grab, you get pixels from the overlying window, too. 1 I would like to display the main window dynamically occupying the whole screen, how can I do that? One observation: Not all monitors have the same size, mine is very small compared to the ones at work. P. Is there a way to actually set the size of said window according to the size of the ListView it contains? The size of the ListView would be partly dependent on the model data that its delegate is rendering. What do you Qml Window is generated initially from 0, 0 and when it generated (with 0, 0) the following code is executed Component. A combination of using QWidget::setSizePolicy() and QBoxLayout::setStretch() (or more likely QBoxLayout::insertWidget(, int stretch = 0, )) will allow you to acheive the behaviour you I have a MainWindow with a graphicsView widget. You Is there an easy way to access the maximum dimensions of an applications window? For instance, lets say I made a window that contains my whole application and it's height is 500 and it's width is also 500. My window top left corner has negative coordinates when maximized (both x and y are -9), and it's size is actually bigger than the available area. Try calling the show method of your QGIWidget directly (if your QGIWidget class inherits QWidget), Qt will create the window decoration for you. I change the position @developer_96 Hi, of course it doesn't work. Going from normal to fullscreen and back works. height() if the sceneRect changes, QGraphicsScene. My solution is using a timer, but that won't be really elegant, so I thought, there must be a property. 54Gbytes for downloading. White rectangle is my QGraphicsView. So all you need is to ajust the QML window size. So, how do I get the system default font size? I read the documents, but I can not find any API. I'm trying to make a config file that would contain information about window size, position and state when closing. Apparently, the x() and y() parameters are I am trying to set my window / QDialog to not be resizable. I had not specified any size for these while creating them. g. Any ideas what I could be doing wrong? I don't understand why removing fonts and border-style But if it's now eight o'clock pm (20:00), I want to see the program in its normal size. I'm trying this: MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { I'm trying to display a table, with the size of the window automatically adjusted to the contents of the table, at least horizontally. The important ones are 2 labels, which I use for drawing images to the screen. h" #include <QDebug> # as @luke_carter already said, it's possible by calling one of QFrame's function related to its size, for example QFrame::frameGeometry(). textEdit,2) layout. That way if your central widget ever changes your app will automatically calculate the new preferred size - as long as the central widget implements a sensible sizeHint of course. In replay mode, the window not being replayed Great MCVE, exactly what's needed to easily investigate the issue. qml, is it possible to get the Qt application window size? I know that I can declare the app window root in a global property like below and get the size anywhere. win = QtGui. Here is my I have two video windows stacked vertically, each has a horizontal slider (only during replay). The idea is that the one widget display is a short-form version to save screen space. Description: I had the same problem as Pieter. height (); cout << "width : " << win_cw << "\nheight : " << win_ch << endl; cout << "Window void QWindow:: setSizeIncrement (const QSize &size) Sets the size increment (size) of the window. An image covering the window which is freely expandable and shrinkable, and can be changed to the original size, and remain expandable / shrinkable after that. That seems like a lot making me think that I did something w Hi and welcome to devnet, If depends on what you choose, if you selected all the possible packages for 5. This was set on 125% on the desktop from with I tried. width (); int sizeY = this ->size (). 2. I do NOT have an XY problem. And that's fine and dandy, but every now and then, I accidentally drag it, and the window gets larger or smaller than I wanted it to be. Install says it needs 35. QApplication([]) self. 4 for windows. Now, let's say I am a few items deep and the orig I am trying to make my GUI program align to the bottom-right of the screen on Windows. I would like to match the sizes of the Ok, it took a while to understand what's going on here. Here is the code: class MainWindow(QtGui. The intention is to have two main window states, one showing two resizable widgets and the other only showing one. I noticed that if widget is maximized, qt is not storing it's non-maximized geometry. onCompleted: { console. E. I'd like to write a slot function for a QMainWindow resize event. I'm trying this: MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { Hello, I have created an array of buttons, 6x7. I'm on windows but I want to use something similar to I want my application to start maximized because the entire computer will be dedicated to that task, so I found the showMaximized() function that fills that requirement, instead of the standard show(). Otherwise if you really need your widget to be inside one another, and fit its size, you'll have to use a layout. @SGaist Yes, I'm using it in both cases: 1- On the QMainWindow constructor 2- On the resizeEvent() It solves the problem! Thank you again! I have a MainWindow with a graphicsView widget. In the initializer method, we set the window's title and size using setWindowTitle() and resize(), respectively. For each stream, I crop to the middle 50%, write it to a recorder, and display it. I goggled but did not found an alternate. app = QtGui. The widget's screenGeometry() function provides information about the geometry of the available screens with. I tried this code but I know there are some better way. You save values as geometry and windowState but - looking at your previous code - load myWidget/geometry and myWidget/windowState. Or call QWidget::adjustSize to actually run the layout and resize the entire widget tree. ugafm ilo gwzuw brbdyyka pwpt bgalx jbgpd rpzwhpd cdrnf ttrplm